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WO2022001309A1 - Dispositif électronique et son procédé de commande - Google Patents

Dispositif électronique et son procédé de commande Download PDF

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Publication number
WO2022001309A1
WO2022001309A1 PCT/CN2021/088731 CN2021088731W WO2022001309A1 WO 2022001309 A1 WO2022001309 A1 WO 2022001309A1 CN 2021088731 W CN2021088731 W CN 2021088731W WO 2022001309 A1 WO2022001309 A1 WO 2022001309A1
Authority
WO
WIPO (PCT)
Prior art keywords
carrier
driving
drive
detection
driving mechanism
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/088731
Other languages
English (en)
Chinese (zh)
Inventor
左州全
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of WO2022001309A1 publication Critical patent/WO2022001309A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1624—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with sliding enclosures, e.g. sliding keyboard or display
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions

Definitions

  • the present application relates to the field of electronic technology, and in particular, to an electronic device and a control method thereof.
  • the display device can display pictures through its display screen.
  • the flexible display screen has attracted much attention due to its foldable and bendable characteristics, and the overall size of the display device can be reduced by folding or bending the flexible display screen.
  • two driving mechanisms are usually used to drive the relative movement of the two housings and the movement of the flexible display screen, respectively, so that a part of the flexible display screen can be unfolded outside the electronic device or retracted inside the electronic device. Two driving mechanisms may exist. Motion asynchrony problem.
  • the embodiments of the present application provide an electronic device and a control method thereof, which can improve the relative motion of the two carriers and the motion consistency of the flexible screen assembly, and can also adjust the working state of the driving mechanism, so that the driving mechanism is in a preset working state state.
  • the embodiment of the present application provides an electronic device, including:
  • a second carrier movable relative to the first carrier, so that the first carrier and the second carrier are in an unfolded state or a folded state
  • the flexible screen assembly is wound on the second carrier, and both the first end and the second end of the flexible screen assembly are connected to the first carrier;
  • a driving mechanism configured to drive the first carrier and the second carrier to move relatively, and drive the flexible screen assembly to move together when the first carrier and the second carrier move relatively;
  • the detection mechanism is configured to detect the working state of the driving mechanism within a preset time period to obtain a detection value, so that the driving mechanism can be adjusted according to the detection value, so that the adjusted driving mechanism is in Preset working state.
  • An embodiment of the present application provides a control method for an electronic device, the electronic device includes a first carrier, a second carrier, a flexible screen assembly, a first driving mechanism, a second driving mechanism, a first detection mechanism, and a second detection mechanism,
  • the first carrier and the second carrier can move relative to each other, the flexible screen assembly is wound around the second carrier, and the first end and the second end of the flexible screen assembly are both connected to the first and second ends of the first carrier.
  • the carrier is connected, the first driving mechanism is arranged on one side of the first carrier, the second driving mechanism is arranged on the other side of the first carrier, and the other side of the first carrier is connected to the One side of the first carrier is arranged opposite to each other, and the first driving mechanism and the second driving mechanism are used to jointly drive the first carrier and the second carrier to move in the direction of approaching or moving away from each other;
  • the method includes:
  • the working state of the first driving mechanism within a preset period of time is detected by the first detection mechanism to obtain a first detection value, and the second detection mechanism is used to detect the working state of the second driving mechanism within a preset period of time to obtain the second detection value;
  • the difference value is greater than the threshold value, adjust the first driving mechanism and/or the second driving mechanism, so that the adjusted first driving mechanism and the second driving mechanism synchronously drive the first carrier and the second driving mechanism
  • the second carriers move in a direction toward or away from each other.
  • FIG. 1 is a schematic diagram of a first structure of an electronic device provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a second structure of an electronic device provided by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of an exploded structure of the electronic device shown in FIG. 1 .
  • FIG. 4 is a schematic diagram of a first partial structure of the electronic device shown in FIG. 1 .
  • FIG. 5 is a schematic diagram of a first structure of the part of the electronic device shown in FIG. 2 .
  • FIG. 6 is an enlarged schematic structural diagram of an area A in the electronic device shown in FIG. 5 .
  • FIG. 7 is a schematic structural diagram of the first moving element, the first transmission belt and the first driving mechanism in the electronic device shown in FIG. 5 .
  • FIG. 8 is a schematic diagram of an exploded structure of the first moving element, the first transmission belt and the first driving mechanism shown in FIG. 7 .
  • FIG. 9 is a schematic structural diagram of the first moving element, the first transmission belt and the connecting element in the first driving mechanism shown in FIG. 8 .
  • FIG. 10 is a schematic diagram of the second structure of the first moving member, the first transmission belt, and the first driving mechanism of the first driving mechanism shown in FIG. 8 .
  • FIG. 11 is a third structural schematic diagram of the first driving mechanism among the first moving element, the first transmission belt and the first driving mechanism shown in FIG. 8 .
  • FIG. 12 is a schematic diagram of a partial exploded structure of the first driving mechanism shown in FIG. 11 .
  • FIG. 13 is a schematic structural diagram of the coupling in the first driving mechanism shown in FIG. 11 .
  • FIG. 14 is a schematic structural diagram of the limiting member in the electronic device shown in FIG. 3 .
  • FIG. 15 is a schematic diagram of part of the second structure of the electronic device shown in FIG. 2 .
  • FIG. 16 is a schematic diagram of a third structure of an electronic device provided by an embodiment of the present application.
  • FIG. 17 is a schematic diagram of a second partial structure of the electronic device shown in FIG. 1 .
  • FIG. 18 is an enlarged schematic structural diagram of the B region in the electronic device shown in FIG. 16 .
  • FIG. 19 is a schematic structural diagram of the magnetic encoder in the B region shown in FIG. 18 .
  • FIG. 20 is a schematic flowchart of a control method for an electronic device provided by an embodiment of the present application.
  • FIG. 21 is a schematic diagram of a fourth structure of an electronic device provided by an embodiment of the present application.
  • FIG. 22 is a schematic diagram of a fifth structure of an electronic device provided by an embodiment of the present application.
  • Embodiments of the present application provide an electronic device, including:
  • a second carrier movable relative to the first carrier, so that the first carrier and the second carrier are in an unfolded state or a folded state
  • the flexible screen assembly is wound on the second carrier, and both the first end and the second end of the flexible screen assembly are connected to the first carrier;
  • a driving mechanism configured to drive the first carrier and the second carrier to move relatively, and drive the flexible screen assembly to move together when the first carrier and the second carrier move relatively;
  • the detection mechanism is configured to detect the working state of the driving mechanism within a preset time period to obtain a detection value, so that the driving mechanism can be adjusted according to the detection value, so that the adjusted driving mechanism is in Preset working state.
  • the relative movement of the two carriers and the movement of the flexible screen assembly can be realized by using one driving mechanism, which improves the relative movement of the two carriers and the movement consistency of the flexible screen assembly.
  • the adjusted driving mechanism can be in a preset working state.
  • the electronic device further includes a processor, the processor is electrically connected to the driving mechanism and the detection mechanism, respectively, and the processor is configured to detect The driving mechanism is adjusted to the value, so that the adjusted driving mechanism is in a preset working state.
  • the drive mechanism includes a drive assembly and a drive screw that are drive-connected, the drive assembly is configured to drive the drive screw to rotate, and the detection mechanism includes a magnetic encoder, The magnetic encoder is used to detect the rotation angle value of the drive screw within a preset time period.
  • the magnetic encoder includes a magnetic component and a detection component, and the magnetic component is disposed on the drive screw so that the magnetic component can follow the drive screw to rotate,
  • the detection member obtains the rotation angle value by detecting the magnetic field variation of the magnetic member, and the driving mechanism adjusts the control parameters of the driving component according to the rotation angle value, so that the driving mechanism is in a preset position. working status.
  • the first carrier is provided with a chute and a moving piece
  • the moving piece can move in the chute
  • the moving piece is connected to the second carrier
  • the driving mechanism further includes a connecting piece, the connecting piece is sleeved on the driving screw rod and connected to the driving screw rod, and the connecting piece is connected with the moving piece;
  • the driving assembly drives the driving screw to rotate
  • the driving screw drives the connecting member and the moving member to move in a direction parallel to the driving screw.
  • the detection mechanism further includes one or more displacement sensors, the one or more displacement sensors are disposed on the first carrier, and the one or more displacement sensors are configured to detect whether the connector is displaced;
  • the drive assembly can adjust the control parameters of the drive assembly according to the rotation angle value when the magnetic member rotates with the drive screw and the connecting member is displaced.
  • the drive assembly includes a first drive module and a first speed reduction module, the first drive module is connected to the first speed reduction module, and the first speed reduction module The module is drivingly connected with the driving screw.
  • the drive assembly includes a second drive module and a second speed reduction module connected to each other, and the second speed reduction module is drivingly connected to the first speed reduction module.
  • the drive assembly includes a first drive module, a first deceleration module and a second drive module, and the first drive module and the second drive module are connected in series connected, and the first deceleration module is coaxially connected to the first driving module or the second driving module.
  • the number of the driving mechanisms is two, and the two driving mechanisms are used to jointly drive the first carrier and the second carrier in a direction of approaching or moving away from each other sports;
  • the number of the detection mechanisms is two, one of the detection mechanisms is used to detect the working state of one of the driving mechanisms within a preset time period to obtain the first detection value, and the other of the detection mechanisms is used to detect the other. a working state of the driving mechanism within a preset time period to obtain a second detection value, so that one or both of the driving mechanisms can be adjusted according to the first detection value and the second detection value , so that the adjusted two driving mechanisms synchronously drive the first carrier and the second carrier to move in the direction of approaching or moving away from each other.
  • the two driving mechanisms are arranged at intervals to limit a storage space between the two driving mechanisms, and the storage space is used for setting preset components of the electronic device .
  • the circuit board further includes a circuit board, the circuit board includes a first protruding part and a second protruding part arranged at intervals, and the first protruding part and the second protruding part are located at in the storage space.
  • the number of the driving mechanisms is multiple, the number of the detection mechanisms is one, and one detection mechanism is configured to detect the plurality of driving mechanisms in a preset time period to obtain a plurality of detection values, so that one or more of the plurality of driving mechanisms can be adjusted according to the plurality of detection values, so that the adjusted plurality of driving mechanisms can synchronously drive all the driving mechanisms.
  • the first carrier and the second carrier move in a direction of approaching or moving away from each other.
  • one end of the drive screw is provided with a fixing piece
  • the fixing piece is provided with a groove
  • the magnetic piece is arranged in the groove and is connected with the fixing piece Fixed connection.
  • the moving member is provided with a limiting portion
  • the electronic device further includes a transmission belt, the transmission belt is bent and wound on the limiting portion, and one end of the transmission belt is connected to the the first carrier is connected, and the other end of the transmission belt is connected with the flexible screen assembly;
  • the transmission belt moves around the limiting portion and pulls the flexible screen assembly to move.
  • the first carrier is provided with a plurality of first plug portions, the first slot is provided between two adjacent first plug portions, and the The second carrier is provided with a plurality of the second insertion parts, the second slot is arranged between two adjacent second insertion parts, and the first insertion parts are accommodated in the first insertion part.
  • the second inserting portion is accommodated in the first slot and the second inserting portion can be moved in the second slot. move in the first slot.
  • the second carrier is further provided with a limiting member, and the flexible screen assembly is bent and arranged on the limiting member.
  • the limiting member may include a rotating shaft and a roller, the roller is sleeved on the outer surface of the rotating shaft and is rotatably connected with the rotating shaft, and the flexible screen assembly is surrounded by On the drum, the flexible screen assembly can drive the drum to rotate around the rotating shaft when moving.
  • An embodiment of the present application further provides a control method for an electronic device, wherein the electronic device includes a first carrier, a second carrier, a flexible screen assembly, a first driving mechanism, a second driving mechanism, and a first detection mechanism and a second detection mechanism, the first carrier and the second carrier can move relatively, the flexible screen assembly is wound around the second carrier, and the first end and the second end of the flexible screen assembly are connected to the first carrier, the first driving mechanism is arranged on one side of the first carrier, the second driving mechanism is arranged on the other side of the first carrier, the The other side is opposite to one side of the first carrier, and the first driving mechanism and the second driving mechanism are used to jointly drive the first carrier and the second carrier to move in a direction of approaching or moving away from each other;
  • the method includes:
  • the working state of the first driving mechanism within a preset period of time is detected by the first detection mechanism to obtain a first detection value, and the second detection mechanism is used to detect the working state of the second driving mechanism within a preset period of time to obtain the second detection value;
  • the difference value is greater than the threshold value, adjust the first driving mechanism and/or the second driving mechanism, so that the adjusted first driving mechanism and the second driving mechanism synchronously drive the first carrier and the second driving mechanism
  • the second carriers move in a direction toward or away from each other.
  • both the first drive mechanism and the second drive mechanism include a drive assembly and a drive screw, and the drive assembly is configured to drive the drive screw to rotate;
  • the Both the first detection mechanism and the second detection mechanism include a magnetic encoder, the magnetic encoder includes a detection element and a magnetic element, and the magnetic element of the first detection mechanism is arranged on the transmission screw rod of the first drive mechanism , the magnetic element of the second detection mechanism is arranged on the transmission screw rod of the second drive mechanism;
  • the first detection value is a first rotation angle value
  • the second detection value is a second rotation angle value
  • the first detection mechanism detects the operation of the first drive mechanism within a preset time period
  • the steps of detecting the working state of the second driving mechanism within a preset time period to obtain the second detection value by the second detection mechanism include:
  • the magnetic variation of the magnetic member of the first detection mechanism is detected by the detection member of the first detection mechanism to obtain the first rotation angle value of the transmission screw of the first driving mechanism within a preset time period
  • the magnetic variation of the magnetic member of the second detection mechanism is detected by the detection member of the second detection mechanism to obtain the second rotation angle value of the transmission screw of the second driving mechanism within a preset time period.
  • FIG. 1 is a schematic diagram of a first structure of an electronic device provided by an embodiment of the present application
  • FIG. 2 is a schematic diagram of a second structure of an electronic device provided by an embodiment of the present application.
  • An electronic device such as electronic device 20 of FIG.
  • FIG. 1 may be a computing device such as a laptop computer, a computer monitor including an embedded computer, a tablet computer, a cell phone, a media player, or other hand-held or portable electronic device, smaller Devices (such as wristwatch devices, hanging devices, earphone or earpiece devices, devices embedded in eyeglasses or other devices worn on the user's head, or other wearable or miniature devices), televisions, excluding Computer monitors for embedded computers, gaming devices, navigation devices, embedded systems (such as systems in which electronic devices with displays are installed in kiosks or cars), implementing the functions of two or more of these devices equipment, or other electronic equipment.
  • electronic device 20 is a portable device, such as a cellular telephone, media player, tablet computer, or other portable computing device. Other configurations may be used for electronic device 20 if desired.
  • the example of FIG. 1 is exemplary only.
  • FIG. 3 is a schematic diagram of an exploded structure of the electronic device shown in FIG. 1 .
  • the electronic device 20 may include a first carrier 100 , a second carrier 200 and a flexible screen assembly 300 .
  • the first carrier 100 and the second carrier 200 can move relative to each other, so that switching between the unfolded state and the retracted state can be achieved.
  • the folded state can refer to FIG. 1 , that is, the state finally formed by the relative movement of the first carrier 100 and the second carrier 200 in the direction of approaching each other.
  • the unfolded state can refer to FIG. 2 , that is, the state formed by the relative movement of the first carrier 100 and the second carrier 200 in a direction away from each other.
  • the first carrier 100 and the second carrier 200 can perform relative movement to achieve longitudinal stretching of the electronic device 20 .
  • the longitudinal pulling refers to a method of pulling and pulling along the display direction perpendicular to the flexible screen assembly 300 .
  • the size of the screen display area of the electronic device 20 can be freely adjusted, and the display portion of the electronic device 20 can be expanded and the user's operating experience can be improved when a large screen is required.
  • the display part is expanded, so that the size of the whole machine is small and easy to carry.
  • the first carrier 100 and the second carrier 200 can have various unfolded states, such as the maximum moving distance of the first carrier 100 and the second carrier 200 in the direction away from each other is H, and the first carrier 100 and the second carrier 200 can move away from each other.
  • the carriers 200 can move away from each other in the folded state, so as to reach the unfolded state in which one-quarter H, one-half H, and three-quarter H are equidistant to form different distances.
  • the states whose distance is gradually remote can be sequentially defined as a first expanded state, a second expanded state, a third expanded state, and the like.
  • the first carrier 100 and the second carrier 200 when the first carrier 100 and the second carrier 200 are in the first deployed state, for example, the distance that the first carrier 100 and the second carrier 200 move away from each other in the first deployed state is a quarter H , the first carrier 100 and the second carrier 200 can still move away from each other to achieve the second deployment state, such as the distance between the first carrier 100 and the second carrier 200 in the second deployment state is one half H.
  • one or more unfolded states of the first carrier 100 and the second carrier 200 in the embodiment of the present application are only for illustration, and do not constitute the unfolded state of the first carrier 100 and the second carrier 200 in the embodiment of the present application. limits.
  • the flexible screen assembly 300 is bent and laid on the second carrier 200 , and both the first and second ends of the flexible screen assembly 300 are connected to the first carrier 100 , and the first carrier 100 and the second carrier 200 can support the flexible screen assembly 300 . play a supporting role.
  • the first carrier 100 and the second carrier 200 can drive the flexible screen assembly 300 to move together during the mutual movement, or drive the flexible screen assembly 300 to move, so that the length of the flexible screen assembly 300 can be adjusted, and then the display area of the electronic device can be changed. the size of.
  • the first carrier 100 and the second carrier 200 may drive a part of the flexible screen assembly 300 to be received inside the electronic device 20 , such as the first carrier of the electronic device 20 . inside the housing 800.
  • the first carrier 100 and the second carrier 200 may drive a part of the flexible screen assembly 300 to protrude from the inside of the electronic device 20 .
  • first shell 800 may cover the periphery of the first carrier 100
  • second shell 900 may cover the periphery of the second carrier 200 .
  • the flexible screen assembly 300 will be folded and curled under the action of external force. It deforms and abuts against the first housing 800 of the electronic device 20 , thereby generating frictional force, which affects the smoothness of the flexible screen assembly 300 during the movement. It should also be noted that the long-term friction between the flexible screen assembly 300 and the first housing 800 of the electronic device 20 may also easily damage the flexible screen assembly 300 and reduce the service life of the flexible screen assembly 300 .
  • multiple transmission structures can be used to realize real-time transmission of the flexible screen assembly 300 to prevent the flexible screen assembly 300 from being caused by external forces during the movement.
  • the flexible screen assembly 300 is prevented from forming frictional force with the first shell 800 during the movement of the flexible screen assembly 300, and the smoothness of the flexible screen assembly 300 during the movement process is improved. degree and increase the lifespan of the flexible screen assembly 300 .
  • one end of the flexible screen assembly 300 can be pulled, so that the flexible screen assembly 300 is always pulled by the force during the shrinking process. , and it is not easy to produce loose or wrinkled deformation.
  • FIG. 4 is a schematic structural diagram of a part of the electronic device shown in FIG. 1
  • FIG. 5 is a first structural schematic diagram of a part of the electronic device shown in FIG. 2
  • the first carrier 100 is provided with two sliding grooves 120 , wherein one sliding groove 120 is located on one side of the first carrier 100 , and the other sliding groove 120 is located on the other side of the first carrier 100 . It can be understood that one side of the first carrier 100 and the other side of the first carrier 100 are located opposite to each other. It should be noted that, the number of the chute 120 opened in the first carrier 100 is not limited to two. It is also possible for the first carrier 100 to have only one sliding slot 120 on one side thereof. The following description will be given by taking the first carrier 100 having two chutes 120 as an example.
  • the first carrier 100 and the second carrier 200 can move with each other through the transmission structure, so as to maintain the tension on the flexible screen assembly 300 .
  • the transmission structure for the mutual movement of the first carrier 100 and the second carrier 200 may include two moving parts and two transmission belts.
  • the transmission structure may include a first moving part 140 , a second moving part 160 , a first transmission belt 420 and a second transmission belt 440 .
  • the first moving piece 140 is arranged in one chute 120
  • the second moving piece 160 is arranged in the other chute 120
  • the first moving piece 140 can move in one chute 120
  • the second moving piece 160 can move in the other
  • the chute 120 moves inside to drive the first carrier 100 and the second carrier 200 to perform relative movement.
  • One end of the first transmission belt 420 is connected to the first carrier 100, the other end of the first transmission belt 420 is fixedly connected to the other end of the flexible screen assembly 300, and the first transmission belt 420 is bent (for example, bent 180 degrees) and wound around the first On the moving member 140; one end of the second transmission belt 440 is fixedly connected to the first carrier 100, the other end of the second transmission belt 440 is connected to the other end of the flexible screen assembly 300, and the second transmission belt 440 is bent (for example, bent 180 degrees) around the Provided on the second moving part 160, when the first moving part 140 and the second moving part 160 move to drive the first carrier 100 and the second carrier 200 to move in the direction of approaching each other, the first transmission belt 420 surrounds the first moving part 140 moves and the second transmission belt 440 moves around the second moving member 160 to jointly pull the flexible screen assembly 300 to move.
  • the flexible screen assembly 300 may include a flexible screen 320 and a support sheet 340 .
  • the flexible screen 320 may be understood as a flexible display screen.
  • the support sheet 340 may be made of metal, such as a steel sheet, and the support sheet 340 is disposed on the non-display surface of the flexible screen 320 to support the flexible screen 320 .
  • the other end of the first transmission belt 420 and the other end of the second transmission belt 440 are connected to the support piece 340 , for example, by welding.
  • the first transmission belt 420 and the second transmission belt 440 may be steel wire ropes, one end of the wire ropes is welded to the first carrier 100, and the other end of the wire ropes is welded to the support sheet 340 of the flexible screen assembly 300).
  • the steel wire rope may have a cylindrical structure. Compared with the steel wire rope of the belt structure, the steel wire rope of the cylindrical structure can reduce the contact area between the steel wire rope and the first moving part 140 and the second moving part 160, thereby reducing the contact area between the steel wire rope and the first moving part 140 and the second moving part 160.
  • the frictional force during the relative movement of the first moving part 140 and the second moving part 160 can prolong the service life of the first transmission belt 420 and the second transmission belt 440 .
  • the first transmission belt 420 and the second transmission belt 440 will jointly pull the flexible screen assembly 300 and also move toward the first carrier 100 and the second carrier 200 move in the direction of approaching each other, so that a part of the flexible screen assembly 300 can be recycled into the interior of the electronic device 20 , so as to reduce the overall size of the electronic device 20 .
  • the first transmission belt 420 and the second transmission belt 440 jointly pull the other end of the flexible screen assembly 300 to prevent the flexible screen assembly 300 from being easily damaged due to friction with the first housing 800 of the electronic device 20 during movement.
  • the first transmission belt 420 is connected with the first moving member 140 disposed on one side of the first carrier 100
  • the second transmission belt 440 is connected with the second moving member 160 disposed on the other side of the first carrier 100
  • a storage space may be limited between the first transmission belt 420 and the first transmission belt 420, and the storage space may be used to accommodate other components of the electronic device 20, such as a battery or a circuit board.
  • the device layout design of the embodiment of the present application can make the devices inside the electronic device 20 more compact.
  • FIG. 6 is an enlarged schematic view of the structure of the area A in the electronic device shown in FIG. 5
  • FIG. 7 is the structure of the first moving part, the first transmission belt and the first driving mechanism in the electronic device shown in FIG. 5
  • FIG. 8 is a schematic diagram of the exploded structure of the first moving part, the first transmission belt and the first driving mechanism shown in FIG. 7 .
  • a limiting portion 142 is protruded from the surface of the first moving member 140 , and the first transmission belt 420 is bent and wrapped around the limiting portion 142 of the first moving member 140 .
  • the limiting portion 142 is also protruded from the surface of the second moving member 160 , and the second transmission belt 440 is bent over the limiting portion 142 of the second moving member 160 .
  • the screen assembly 300 pulls the first transmission belt 420 and the second transmission belt 440 to move together in the direction in which the first carrier 100 and the second carrier 200 move away from each other.
  • the part 142 moves, the second transmission belt 440 moves around the limiting part 142 located on the second moving part 160 while moving, and the flexible screen assembly 300 is under the common action of the second carrier 200 , the first transmission belt 420 and the first transmission belt 420 , a part of the flexible screen assembly 300 is extended from the inside of the electronic device 20 to the outside of the electronic device 20 .
  • the first transmission belt 420 and the second transmission belt 440 gradually reduce the pulling force on the flexible screen assembly 300 , so that a part of the flexible screen assembly 300 It can be deployed to the outside of the electronic device 20 .
  • the limiting portion 142 on the first moving member 140 is moving
  • the first transmission belt 420 is driven to move around the limiting portion 142 located on the first moving member 140
  • the limiting portion 142 located on the second moving member 160 drives the second transmission belt 440 to move around the second moving member 160 while moving.
  • the first transmission belt 420 and the second transmission belt 440 jointly pull the flexible screen assembly 300 to move while moving, so that a part of the flexible screen assembly 300 is recovered from the outside of the electronic device 20 to the interior of the electronic device 20 .
  • one limiting portion 142 may be provided with a limiting slot
  • the first transmission belt 420 may move in one of the limiting slots
  • the second transmission belt 440 may move in the other limiting slot
  • the limiting slot The first transmission belt 420 and the second transmission belt 440 may be limited in position, so that the first transmission belt 420 and the second transmission belt 440 will not be detached from the limiting portion 142 during the movement.
  • a roller 180 may be sleeved on the outer surface of one limiting portion 142 , and the roller 180 may rotate relative to the limiting portion 142 .
  • the first transmission belt 420 may be mounted on one roller 180
  • the second transmission belt 440 may be mounted on the other roller 180 .
  • the roller 180 can be driven to rotate around the limiting portion 142 .
  • adding the roller 180 on the limiting portion 142 can reduce the impact on the first transmission belt 420 .
  • the friction can make the first transmission belt 420 move more smoothly, and can also reduce the wear of the first transmission belt 420 .
  • the second transmission belt 440 can drive the other roller 180 to rotate around the other limit portion 142 during the movement around the other roller 180 .
  • the addition of the rollers 180 on the 142 can reduce the friction on the second transmission belt 440 , so that the second transmission belt 440 moves more smoothly, and can also reduce the wear of the second transmission belt 440 .
  • a limit groove 182 may also be provided on the roller 180, and the first transmission belt 420 can move in one of the limit grooves 182, and the second transmission belt 440 It can move in another limit groove 182, and the limit groove 182 can limit the first transmission belt 420 and the second transmission belt 440, so that the first transmission belt 420 and the second transmission belt 440 will not disengage to the limit during the movement. Section 142 outside.
  • the interaction among the first moving member 140 , the second transmission member 240 , the first transmission belt 420 and the second transmission belt 440 is adopted, so that the flexible screen assembly 300 It is always in a limited state, or the flexible screen assembly 300 always has the tension of the interaction between the first moving part 140 , the second transmission part 240 , the first transmission belt 420 and the second transmission belt 440 , which can also be understood as the first
  • the interaction of the moving member 140 , the second transmission member 240 , the first transmission belt 420 and the second transmission belt 440 always has a pulling force on one end of the flexible screen assembly 300 to pull the flexible screen assembly 300 to move.
  • the flexible screen assembly 300 is not easily deformed such as bending and curling due to external force. Further, the flexible screen assembly 300 is prevented from abutting with the casing structure of the electronic device 20 , such as the first casing 800 , thereby improving the smoothness of movement of the flexible screen assembly 300 . Furthermore, in the embodiment of the present application, the flexible screen assembly 300 is kept contracted to the traction force during the operation of the first carrier 100 and the second carrier 200, so as to avoid it abutting against the housing structure of the electronic device 20, such as the first housing 800. The flexible screen assembly 300 plays a protective role and improves the lifespan of the flexible screen assembly 300 .
  • the first moving member 140 and the second moving member 160 can be driven to move in the chute 120 in a manual manner, respectively. For example, by applying opposite forces on the first carrier 100 and the second carrier 200 , the force can be applied to the first moving part 140 and the second moving part 160 to drive the first moving part 140 and the second moving part 160 Moving in the chute 120 causes the first carrier 100 and the second carrier 200 to move in a direction away from each other, and moves the flexible screen assembly 300 to increase the display area.
  • the first moving member 140 and the second moving member 160 can transmit the acting force to the first transmission belt 420 and the second transmission belt 440, so as to The first transmission belt 420 and the second transmission belt 440 are driven to move around the limiting portion 142 respectively, so that the first carrier 100 and the second carrier 200 move in the direction of approaching each other, and the flexible screen assembly 300 is moved to reduce the size of the flexible screen assembly 300 display area.
  • the first moving member 140 and the second moving member 160 can also be driven to move in the chute 120 in an electric manner, respectively. If the first moving member 140 and the second moving member 160 are driven to move within the chute 120 in an electric manner, the electronic device may further include a driving mechanism, such as a motor, a gear set and other structures.
  • a driving mechanism such as a motor, a gear set and other structures.
  • the electronic device 20 may further include a first driving mechanism 520 and a second driving mechanism 540 , the first driving mechanism 520 is connected to the first moving member 140 , and the second driving mechanism 540 is connected to the second moving member 540 .
  • the first driving mechanism 520 can be connected with the fixed part 144 on the first moving part 140
  • the second driving mechanism 540 can be connected with the fixed part 144 on the second moving part 160 .
  • the first driving mechanism 520 may drive the first moving member 140 to move
  • the second driving mechanism 540 may drive the second moving member 160 to move.
  • the first drive mechanism 520 may include a drive assembly 522 and a transmission assembly 524 connected to each other, the transmission assembly 524 is connected with the first moving member 140, the drive assembly 522 can drive the transmission assembly 524 to move, and the transmission assembly 524 drives the first moving member 524 during the movement.
  • the moving pieces 140 move together.
  • the transmission assembly 524 may be one or a combination of a screw transmission assembly, a gear set or a telescopic assembly.
  • the transmission assembly 524 includes a base 5242, a transmission screw 5244 and a connecting piece 5246.
  • the base 5242 is disposed on the first carrier 100, and the transmission screw 5244 is rotatably connected to the base 5242.
  • the transmission screw 5244 can be connected with The bearing connection provided on the base 5242 is embedded, so that the drive screw 5244 can rotate relative to the base 5242.
  • the drive screw 5244 is also connected with the drive assembly 522 , and the drive assembly 522 rotates relative to the base 5242 for driving the drive screw 5244 .
  • the connecting piece 5246 is sleeved on the transmission screw 5244, and the connecting piece 5246 is connected with the driving screw 5244 in a driving manner.
  • the first moving member 140 is driven to reciprocate.
  • the second carrier 200 follows the first moving member 140 to reciprocate.
  • the first carrier 100 and the second carrier 200 are subjected to the first driving mechanism 520.
  • the flexible screen assembly 300 will move along with it.
  • one end of the flexible display screen is usually fixed, and the other end is curled and wound on the reel to realize the fixation of the flexible display screen, and when the two shells move relative to each other, the flexible display is released or rolled up by the rotation of the reel.
  • the flexible display screen may lose the support of the casings and become loose, or there may be situations where the reels have already started to rotate, and the two casings are still The movement is not started, causing the flexible display screen to be damaged by excessive force.
  • the relative movement of the two housings and the movement of the flexible screen assembly in the related art are driven separately, and there may be a relative movement of the two housings and the movement of the flexible screen assembly caused by the asynchronous driving of the two. out of sync.
  • the flexible screen assembly 300 in the embodiment of the present application is disposed on the second carrier 200, and both ends of the flexible screen assembly 300 are connected to the first carrier 100.
  • the first carrier 100 and the second carrier 200 are subjected to the first driving mechanism 520 and the second driving mechanism 540 drive the flexible screen assembly 300 to move together.
  • the relative movement of the two carriers and the consistency of the movement of the flexible screen assembly 300 can be improved, and the Damage to the flexible screen assembly 300 caused by asynchronous movements of the carrier and the flexible screen assembly.
  • the base 5242 is also provided with a groove 5242a, and the connecting piece 5246 is disposed on the drive screw 5244 and located in the groove 5242a, and the groove 5242a can guide and position the movement of the connecting piece 5246.
  • the driving assembly 522 in the embodiment of the present application provides an active driving effect
  • the first moving member 140 and the first transmission belt 420 are a joint driven mechanism, which performs a linked motion under the active driving of the driving assembly 522, so that the first moving member 140 and the first transmission belt 420 are combined driven mechanisms.
  • the moving distance of the moving member 140, the moving distance of the first transmission belt 420 and the unfolding length or the retracting length of the flexible screen assembly 300 are equal, thereby ensuring that the flexible screen assembly 300 is always in a tight state during the unfolding process and the recycling process (guaranteeing the flexible screen assembly 300).
  • the tension of the assembly 300 is within a certain range), which can avoid abnormal situations such as unsynchronized unfolding, resulting in damage to the flexible screen assembly 300 due to excessive tension or too small tension of the flexible screen assembly 300 to wrinkle.
  • FIG. 9 is a schematic structural diagram of the first moving member, the first transmission belt and the connecting member in the first driving mechanism shown in FIG. 8 .
  • the connecting piece 5246 is provided with a through hole 5246a, and the hole wall of the through hole 5246a is provided with a transmission thread, the transmission thread is engaged with the screw teeth on the transmission screw 5244, so that the transmission screw 5244 rotates through the transmission on the through hole 5246a.
  • the thread drives the connector 5246 to move linearly in a direction parallel to the first carrier 100 . It can be understood that the rotation of the drive screw 5244 can be converted into a linear motion of the connecting member 5246 .
  • the connecting member 5246 is further provided with a clamping slot 5246b, and the clamping slot 5246b is clamped with the fixing portion 144 to connect the connecting member 5246 with the first moving member 140 .
  • the connection between the connecting member 5246 and the first moving member 140 can also be achieved by other methods (such as welding, bonding, etc.).
  • the drive assembly 522 may include a first drive module 5222 and a first reduction module 5224, the first drive module 5222 is connected to the first reduction module 5224, and the first reduction module 5224 is connected to the transmission Screw 5244 drive connection.
  • the first deceleration module 5224 can be a deceleration box, the deceleration box is coaxially connected to the first driving module, and the deceleration box can decelerate the first driving module 5222 to increase the torque.
  • the first reduction module 5224 can be connected with the transmission screw 5244 through a gear set.
  • the output shaft of the first reduction module 5224 is connected with a first gear 562, and the transmission screw 5244 is connected with a second gear 564.
  • the second gear 564 is connected to The first gears 562 are meshed with the third gears 566 to realize the transmission connection between the first reduction module 5224 and the transmission screw 5244 .
  • FIG. 10 is a schematic diagram of the second structure of the first moving member, the first transmission belt, and the first driving mechanism of the first driving mechanism shown in FIG. 8 .
  • the drive assembly 522 in this embodiment of the present application may further include a second drive module 5226 and a second reduction module that are connected to each other. 5228, the second deceleration module 5228 is connected to the first deceleration module 5224 by transmission.
  • the second reduction module 5228 is provided with a fourth gear 568, and both the first gear 562 and the fourth gear 568 of the second reduction module 5228 are meshed with the fifth gear 569 to realize the connection between the second reduction module 5228 and the fourth gear 569.
  • a deceleration module 5224 is connected for transmission.
  • the fourth gear 568 on the second reduction module 5228 transmits the torque to the first gear 562 of the first reduction module 5224 through the fifth gear 569, and the output torques of the two reduction modules are superimposed.
  • the superimposed torque is then transmitted to the transmission screw 5244 through the second gear 564, thereby driving the transmission screw 5244 to rotate.
  • the two drive modules and two deceleration modules used in the embodiment of the present application can increase the thrust generated by the transmission screw 5244 and the connecting piece 5246 by about 80%. .
  • the four gear pairs composed of the first gear 562 , the third gear 566 , the fourth gear 568 and the fifth gear 569 are all semi-rigidly connected. It can be understood that the material of at least one gear in each gear pair is made of a material with a smaller elastic modulus (such as plastic), so as to avoid the impact problem caused by microscopic asynchrony.
  • FIG. 11 is a third structural schematic diagram of the first driving mechanism among the first moving member, the first transmission belt and the first driving mechanism shown in FIG. 8 .
  • the drive assembly 522 may also include two drive modules and one deceleration module.
  • the drive assembly 522 may include a first drive module 5222, a first deceleration module 5224, and a second drive module 5226.
  • the first drive module 5222 Connected in series with the second driving module 5226 , the first deceleration module 5224 can be coaxially connected with the first driving module 5222 or the second driving module 5226 .
  • the driving shaft of the first driving module 5222 and the driving shaft of the second driving module 5226 are connected by the coupling 5229 so that the first driving module 5222 and the second driving module 5226 are connected in series.
  • the first deceleration module 5224 decelerates to increase the torque.
  • the first deceleration module 5224 drives the transmission screw 5244 to rotate synchronously through the first gear 562 and the second gear 564 .
  • the coupling 5229 is made of a material with a smaller elastic modulus (such as plastic), so that the force generated by the slight asynchrony when the two driving modules are activated can be absorbed by the elastic coupling 5229 .
  • the output end of the first driving module 5222 is connected to the input end of the second driving module 5226 .
  • FIG. 12 is a schematic diagram of a partial exploded structure of the first driving mechanism shown in FIG. 11
  • FIG. 13 is a schematic diagram of the structure of the coupling in the first driving mechanism shown in FIG. 11
  • the structures of the driving shaft of the first driving module 5222 and the driving shaft of the second driving module 5226 are both semi-cylindrical structures, and their cross-sections are generally D-shaped.
  • the coupling 5229 is provided with a connecting hole 5229a, the shape of the connecting hole 5229a is adapted to the structure of the driving shaft of the first driving module 5222 and the driving shaft of the second driving module 5226, and the size of the connecting hole 5229a is slightly larger than that of the first driving module 5222.
  • the dimensions of the drive shaft of the first drive module 5222 and the drive shaft of the second drive module 5226 are such that the drive shaft of the first drive module 5222 and the drive shaft of the second drive module 5226 pass through the connecting hole 5229a and are connected to each other. There is a gap between the shaft 5229 and the drive shaft of the first drive module 5222 and the drive shaft of the second drive module 5226, and the gap can absorb the force generated by the slight asynchrony when the two drive modules are activated.
  • the first driving module 5222 and the second driving module 5226 can also be connected in series and then meshed with the reduction gear through gears to realize the interconnection of two driving modules and one reduction module.
  • the input end of the first driving module 5222 is connected to the input end of the second driving module 5226, that is, the first driving module 5222 and the second driving module 5226 are connected in series.
  • the structure of the second driving mechanism 540 may be the same as that of the first driving mechanism 520.
  • the second driving mechanism 540 may also include a driving component 542 and a transmission component 544 that are connected to each other.
  • the transmission component 544 is connected to the second moving member 160 to drive
  • the assembly 542 can drive the transmission assembly 544 to move, and the transmission assembly 544 drives the second moving member 160 to move together during the movement.
  • the drive assembly 542 and the transmission assembly 544 in the second drive mechanism 540 may be any of the above-mentioned drive assemblies and transmission assemblies, which will not be repeated here.
  • the drive assembly 542 may include a first drive module 5422 and a first speed reduction module 5424 that are connected to each other.
  • the structure of the first drive module 5422 is the same as that of the first drive module 5222 of the first drive mechanism 520
  • the structure of the first speed reduction module 5424 is the same as the structure of the first speed reduction module 5224 of the first drive mechanism 520 same.
  • the structure of the second driving mechanism 540 may also be different from that of the first driving mechanism 520.
  • the second driving mechanism 540 may be a gear set transmission or other transmission methods, and is not limited to the above-mentioned screw transmission.
  • the first carrier 100 is provided with a plurality of first plug portions 110
  • a first slot 130 is provided between two adjacent first plug portions 110
  • the second carrier 200 is provided with a plurality of first sockets 130 .
  • a second slot 230 is disposed between two adjacent second insertion portions 210.
  • the second carrier 200 is further provided with a limiting member 220 , and the flexible screen assembly 300 is bent (for example, bent by 180 degrees) and disposed on the limiting member 220 .
  • the limiting member 220 follows the second carrier 200 toward the first carrier 100 and the second carrier 200 move away from each other, the limiting member 220 will push the flexible screen assembly 300 to move toward the outside of the electronic device 20 while the limiting member 220 moves, so as to realize the expansion function of the flexible screen assembly 300 .
  • the limiting member 220 may be a regular shape, such as a cylindrical structure or a semi-cylindrical structure, and the limiting member 220 may also be an irregular shape, for example, one surface of the limiting member 220 may be an arc surface, and the other surfaces It can be a surface of a flat structure or a surface of a wavy structure, etc.
  • the limiting member 220 may be an additional component provided independently of the second carrier 200 , and the limiting member 220 may also be a part of the second carrier 200 .
  • FIG. 14 is a schematic structural diagram of the limiting member in the electronic device shown in FIG. 3 .
  • the limiting member 220 may include a rotating shaft 222 and a roller 224 .
  • the roller 224 is sleeved on the outer surface of the rotating shaft 222 and is rotatably connected to the rotating shaft 222 (eg, connected by balls), so that the roller 224 can rotate around the rotating shaft 222 .
  • the flexible screen assembly 300 is mounted on the drum 224, and the flexible screen assembly 300 can drive the drum 224 to rotate around the rotating shaft 222 while moving, which can reduce the friction between the flexible screen assembly 300 and the limiter 220, and can extend the flexible screen
  • the service life of the assembly 300 can also be improved, and the flexible screen assembly 300 can be moved more smoothly.
  • FIGS. 1 , 2 , 3 , 4 , 6 and 7 illustrate that the first carrier 100 and the second carrier 200 of the electronic device 20 are in a folded state.
  • the first carrier 100 and the second carrier 200 can be driven to move away from each other in an electric driving manner to switch to the unfolded state.
  • FIG. 2 , FIG. 4 and FIG. 7 illustrate the first carrier 100 and the second carrier 200 of the electronic device 20 . in an expanded state.
  • the first drive module 5222 decelerates through the first reduction module 5224 to increase the torque, and drives the transmission screw 5244 to rotate through the first gear 562 and the second gear 564.
  • the rotary motion of the rod 5244 is converted into a linear motion.
  • the connecting piece 5246 cooperates with the first moving piece 140 (the second moving piece 160 ) to drive the second carrier 200 to move together.
  • the second plug portion 210 and the limiting member 220 mounted on the second carrier 200 are driven to move.
  • the limiting member 220 pushes the flexible screen assembly 300 to move outward, that is, the function of unfolding the flexible screen assembly 300 is realized.
  • the first moving member 140 and the second moving member 160 move to drive the first carrier 100 and the second carrier 200 to move toward each other.
  • the first plug portion 110 on the carrier 100 moves toward the limiter 220
  • the connecting piece 5246 disposed on the drive screw 5244 moves away from the limiter 220 .
  • the two move at the same speed and opposite directions.
  • the first transmission belt 420 connected to the first moving member 140 and the second transmission belt 440 connected to the second moving member 160 are respectively switched by the rollers 180 to move the direction of movement to pull the support sheet 340 in the flexible screen assembly 300.
  • the flexible screen assembly The speed at which the support piece 340 in 300 moves away from the limiting member 220 is the same as the speed at which the first plug portion 110 moves in the direction close to the limiting member 220.
  • the flexible screen 320 is also brought to the second preset position by the support sheet 340 to realize the function of folding the flexible screen assembly 300 .
  • the number of moving parts may be one, and the number of transmission belts may also be one.
  • one side of the second carrier 200 is provided with the first moving part 140 , and the other side of the second carrier 200 is not provided with a moving part 140 . pieces.
  • the first moving member 140 is connected with the first transmission belt 420, and the structure of the first moving member 140 and the connection relationship with other structures and the structure of the first transmission belt 420 and the connection relationship with other structures are as described above.
  • the first transmission belt 420 moves around the first moving member 140 to pull the flexible screen assembly 300 to move.
  • FIG. 15 is a schematic diagram of part of the second structure of the electronic device shown in FIG. 2 .
  • the first driving mechanism 520 is provided on one side of the first carrier 100
  • the second driving mechanism 540 is provided on the other side of the first carrier 100, and is spaced apart from the first driving mechanism 520.
  • the first driving mechanism 520 and the second driving mechanism A storage space 150 may be defined between the mechanisms 540 to accommodate preset components of the electronic device 20 .
  • the first driving mechanism 520 and the second driving mechanism 540 are used to jointly drive the first carrier 100 and the second carrier 200 to move with each other to drive the flexible screen assembly 300 to move.
  • the preset device may include a battery 600, and the battery 600 may be accommodated in the storage space 150.
  • the setting positions of the first driving mechanism 520 and the second driving mechanism 540 in the embodiment of the present application may allow more space inside the electronic device 20. space to set the preset device.
  • the electronic device 20 may further include a circuit board 700 , the circuit board 700 includes a first protruding portion 720 and a second protruding portion 740 arranged at intervals, and the first protruding portion 720 and the second protruding portion 740 are located in the receiving space 150 , And the end of one end of the first protruding portion 720 is disposed adjacent to the first driving module 5222 of the first driving mechanism 520 and the height of the first driving module 5422 is greater than the height of the first protruding portion 720, so that the A protruding portion 720 reserves space for mounting other components of the electronic device 20 (such as semiconductors, capacitors or resistors, etc.).
  • One end of the second protruding portion 740 is disposed adjacent to the first driving module 5422 of the second driving mechanism 540, and the height of the first driving module 5422 is greater than that of the second protruding portion 740, so that the second The protrusions 740 reserve space to mount other components of the electronic device 20 (such as semiconductors, capacitors or resistors, etc.).
  • a part of the battery 600 is located between the first protruding part 720 and the second protruding part 740 , and another part of the battery 600 is located between the first driving module 5222 of the first driving mechanism 520 and the first driving module 540 of the second driving mechanism 540 . Between groups 5422.
  • the installation positions of the first driving mechanism 520 and the second driving mechanism 540 in the embodiment of the present application can reserve more space inside the electronic device 20 to set the preset device, and the first driving mechanism 520 and the first protruding part 720 are arranged adjacent to each other, the second driving mechanism 540 and the second protruding part 740 can also facilitate the electrical connection between the first driving mechanism 520 and the second driving mechanism 540 and the circuit board 700, which can avoid the connection between the circuit board 700 and the circuit board 700.
  • the distance between the first driving mechanism 520 and the second driving mechanism 540 is too far, so that the electrical connection line is too long or too tortuous.
  • FIG. 16 is a schematic diagram of a third structure of an electronic device provided by an embodiment of the present application.
  • the electronic device 20 can control the flexible screen assembly 300 , the first driving mechanism 520 and the second driving mechanism 540 .
  • the electronic device 20 can control the flexible screen assembly 300 , the first driving mechanism 520 and the second driving mechanism 540 through the processor 800 .
  • the processor 800 is the control center of the electronic device 20, using various interfaces and lines to connect various parts of the entire electronic device 20, by running or calling the computer program stored in the memory, and calling the data stored in the memory, Various functions of the electronic device 20 are performed and data is processed.
  • the processor 800 is electrically connected to the flexible screen assembly 300 , the first driving mechanism 520 and the second driving mechanism 540 respectively, so that the processor 800 can control the flexible screen assembly 300 , the first driving mechanism 520 and the second driving mechanism 540
  • the processor 800 can control the first driving mechanism 520 and/or the second driving mechanism 540 to simultaneously drive the first carrier 100 and the second carrier 200 to move in the direction of approaching or moving away from each other. During the movement, the flexible screen assembly 300 can be driven to move together.
  • the processor 800 can also control the length of extension or retraction of the flexible screen assembly 300 by controlling the moving distance between the first driving mechanism 520 and the second driving mechanism 540 and the first carrier 100 and the second carrier 200 .
  • the electronic device 20 may also control the flexible screen assembly 300 , the first driving mechanism 520 and the second driving mechanism 540 through other devices, for example, by adding additional control mechanisms, or by software.
  • FIG. 17 is a schematic diagram of a second partial structure of the electronic device shown in FIG. 1
  • FIG. 18 is an enlarged schematic view of the structure of the B area in the electronic device shown in FIG. 16
  • FIG. 19 is shown in FIG. 18 Schematic diagram of the structure of the magnetic encoder in the B region.
  • the electronic device 20 also includes one or more detection mechanisms, and the one or more detection mechanisms may be configured to detect the driving mechanism of the electronic device 20, such as the one or more detection mechanisms may be configured to detect the first driving mechanism 520 and the first driving mechanism 520.
  • the second drive mechanism 540 performs detection.
  • the electronic device 20 may include a first detection mechanism 920 and a second detection mechanism 940, the first detection mechanism 920 is disposed opposite the first driving mechanism 520, and the first detection mechanism 920 is configured to detect that the first driving mechanism 520 is in a preset state
  • the working state in the time period to obtain the first detection value for example, the first detection mechanism 920 can detect the working state of the first driving mechanism 520 in the T1-T2 time period to obtain the first detection value, wherein the first detection value It may be one or more of the parameters of the first driving mechanism 520, such as driving power, driving speed, driving force and the like.
  • the second detection mechanism 940 is disposed opposite to the second driving mechanism 540, and the second detection mechanism 940 is configured to detect the working state of the second driving mechanism 540 within a preset time period to obtain a second detection value, such as a second detection value.
  • the detection mechanism 940 may detect the working state of the second driving mechanism 540 in the time period T1-T2 to obtain a second detection value, and the second detection value may be the driving power, driving speed, and driving force of the second driving mechanism 540 one or more of the parameters, etc.
  • the parameters of the second detection value and the parameters of the first detection value may be the same or different.
  • the processor 800 may be configured to adjust the first driving mechanism 520 and/or the second driving mechanism 540 according to the first detection value and the second detection value, so that the adjusted first driving mechanism 520 and the second driving mechanism 540 are in the respective positions.
  • the processor 800 can adjust the driving rate of the first driving mechanism 520, so that the driving rate of the first driving mechanism 520 is the same as the driving rate of the second driving mechanism 540, so that the first driving mechanism 520
  • the first carrier 100 and the second carrier 200 are driven to move in the directions of approaching or moving away from each other.
  • a detection mechanism is provided to detect the working states of the first driving mechanism 520 and the second driving mechanism 540, and the first driving mechanism 520 and the second driving mechanism 540 are adjusted according to the detection results, so that the first driving mechanism 520 and the second driving mechanism 540 are adjusted according to the detection results.
  • the driving mechanism 520 and the second driving mechanism 540 synchronously drive the first carrier 100 and the second carrier 200 to move relative to each other, thereby avoiding the deviation of the second carrier 200 during the movement relative to the first carrier 100 , thereby ensuring the flexible screen assembly 300 It can be smoothly unfolded to the outside of the electronic device 20 or retracted to the inside of the electronic device 20 , thereby reducing the risk of damage to the flexible screen assembly 300 and prolonging the service life of the flexible screen assembly 300 .
  • FIG. 20 is a schematic flowchart of a control method for an electronic device provided by an embodiment of the present application.
  • the processor 800 can control the first detection mechanism 920 to start up. After the first detection mechanism 920 is started, the working state of the first driving mechanism 520 is detected, so as to detect the parameters of the first driving mechanism 520 in the T1-T2 time period to obtain the first driving mechanism. a detected value.
  • the first detection mechanism 920 may include a magnetic encoder, the magnetic encoder includes a detection member 922 and a magnetic member 924, the detection member 922 and the magnetic member 924 are disposed separately, the detection member 922 is disposed on the first carrier 100, and the magnetic member 924 is fixed At the end of one end of the drive screw 5244, such as one end of the drive screw 5244, a fixing member 5248 can be provided, the fixing member 5248 is provided with a groove, and the magnetic member 924 can be arranged in the groove and fixedly connected with the fixing member 5248 ( It can be realized by interference fit between the groove and the magnetic member 924 , or other methods such as bonding or welding), and the groove wall of the groove is arranged around the periphery of the magnetic member 924 to protect the magnetic member 924 .
  • the magnetic member 924 disposed on the drive screw 5244 can rotate along with the drive screw 5244, and the detection member 922 can be used to detect the magnetic member 924 in the T1-T2 time period.
  • the magnetic change amount is used to obtain the first rotation angle value.
  • the detection element 922 can also be used to detect other operating parameters of the magnetic element 924 in the T1-T2 time period, such as the rotation speed.
  • the central axis of the detection member 922 overlaps with the central axis of the magnetic member 924.
  • the central axis of the detection member 922 and the central axis of the magnetic member 924 may not overlap within the error range, and the error range is - Between 0.15mm and 0.15mm. It can be understood that the deviation between the central axis of the detection member 922 and the central axis of the magnetic member 924 may be between -0.15mm and 0.15mm.
  • the detection member 922 and the magnetic member 924 can also be integrally assembled into an integral structure, and the detection member 922 and the magnetic member 924 will be disposed on the drive screw 5244 at the same time.
  • the processor 800 can control the second detection mechanism 940 to start up together with the first detection mechanism 920. After the second detection mechanism 940 is started, the working state of the second driving mechanism 540 is detected to detect the time T1-T2 of the second driving mechanism 540. parameters in the segment to obtain the second detection value.
  • the structure of the second detection mechanism 940 may be the same as that of the first detection mechanism 920 , that is, the second detection mechanism 940 may also include a detection member (such as the detection member 942 ) and a magnetic member (such as the magnetic member 944 ).
  • the magnetic member 944 may The magnetic member 944 is arranged on the driving screw of the second driving mechanism 540 so that the magnetic member 944 can rotate following the driving screw of the second driving mechanism 540 .
  • the detection member 942 can be used to detect the magnetic change amount of the magnetic member 944 in the time period T1-T2 to obtain the second rotation angle value.
  • the processor 800 may compare the first rotation angle value with the second rotation angle value, and obtain the difference between the first rotation angle value and the second rotation angle value, so as to obtain the difference between the two rotation angle values. difference value.
  • the processor 800 acquires the difference value between the first detection value and the second detection value, and determines whether the difference value is greater than a threshold value.
  • the threshold value is a preset value, for example, the threshold value can be set according to the allowable asynchronous error between the two driving mechanisms.
  • the processor 800 may determine whether the difference value between the first rotation angle value and the second rotation angle value is greater than a threshold value.
  • the difference value is greater than the threshold, adjust the first driving mechanism and/or the second driving mechanism, so that the adjusted first driving mechanism and the second driving mechanism drive the first driving mechanism synchronously.
  • the carrier and the second carrier move in a direction toward or away from each other.
  • the control parameters of the first driving mechanism 520 can be adjusted (for example, the rotational speed and the speed of the first driving module 5222 can be adjusted. /or the rotational speed of the second driving module 5226), so that the adjusted first driving mechanism 520 and the second driving mechanism 540 can synchronously drive the first carrier 100 and the second carrier 200 to move relative to each other.
  • the processor 800 may adjust the control parameters of the second driving mechanism 540 when it is determined that the difference between the first detection value and the second detection value is greater than the threshold value.
  • the processor 800 may adjust both the control parameters of the first driving mechanism 520 and the control parameters of the second driving mechanism 540 when determining that the difference between the first detection value and the second detection value is greater than the threshold.
  • the first detection mechanism 920 further includes a displacement sensor, and the displacement sensor may be an optical displacement sensor, a linear proximity sensor or an ultrasonic displacement sensor.
  • the displacement sensor detects the state of the connecting piece 5246 on the first driving mechanism 520 to detect whether the connecting piece 5246 on the first driving mechanism 520 is displaced (or moves).
  • the processor 800 can be configured to When it is detected that the connector 5246 on the first driving mechanism 520 is displaced, the control parameters of the driving components of the first driving mechanism 520 and/or the control parameters of the second driving mechanism 540 are adjusted according to the first rotation angle value and the second rotation angle value.
  • the control parameters of the drive assembly so that the adjusted first drive mechanism 520 and the second drive mechanism 540 are in a preset working state, for example, the adjusted first drive mechanism 520 and the second drive mechanism 540 can be made to drive the first carrier synchronously 100 and the second carrier 200 move.
  • the connecting piece 5246 may not be displaced (for example, the connection between the drive screw 5244 and the connecting piece 5246 fails), and the connecting piece 5246 is not displaced, which will cause the first The carrier 100 and the second carrier 200 do not move relative to each other.
  • the processor 800 continues to adjust the first driving mechanism 520 and/or the second driving mechanism 540, it will not only fail to regulate the first carrier 100 and the second carrier The motion relationship of 200 will also speed up the power consumption of the electronic device 20 .
  • the present application can improve the detection accuracy and reliability of the working state of the first drive mechanism 520 by the first detection mechanism 920 through the cooperation of the displacement sensor and the magnetic encoder, thereby increasing the adjustment accuracy of the first drive mechanism 520 by the processor 800 and reliability.
  • the number of displacement sensors may be one or more.
  • multiple displacement sensors may be arranged on the first carrier 100 at intervals. Compared with one displacement sensor, multiple displacement sensors together The detection can improve the detection accuracy of the displacement distance of the connecting member 5246 of the first driving mechanism 520 .
  • a part of the plurality of displacement sensors can be used to detect the connecting piece 5246 of the first driving mechanism 520
  • another part of the plurality of displacement sensors can be used to detect the connecting piece 5246 of the second driving mechanism 540 .
  • the second detection mechanism 940 may also include one or more displacement sensors, and the displacement sensors in the second detection mechanism 940 may be used to detect the connection member 5246 of the second driving mechanism 540 .
  • the number of driving mechanisms can also be greater than or equal to three.
  • the processor 800 can adjust the working parameters of the multiple driving mechanisms, for example, when the number of driving mechanisms is odd , the median value of multiple detection values can be calculated, and the working parameters of multiple drive mechanisms can be adjusted to the median value.
  • the average value of multiple detection values can also be calculated, and the working parameters of multiple drive mechanisms can be calculated. are adjusted to the average.
  • the number of driving mechanisms is an even number, the average value of a plurality of detection values can be calculated, and the working parameters of the plurality of driving mechanisms can be adjusted to the average value.
  • the number of driving mechanisms may also be one, for example, the electronic device 20 may only include the first driving mechanism 520, and the corresponding number of detection mechanisms may also be one, for example, the electronic device 20 may only include the first driving mechanism 520.
  • a detection mechanism 920, the first detection mechanism 920 is configured to detect the working state of the first driving mechanism 520 within a preset time period to obtain a first detection value, and the processor 800 can adjust the first driving mechanism 520 according to the first detection value, The adjusted first driving mechanism 520 is in a preset working state.
  • the preset working state may be a preset working state, for example, a working state in which the driving rate of the first driving mechanism 520 can be controlled to be M, so that the flexible screen assembly 300 can be expanded or contracted at a rate of m; or the first driving mechanism 520 can be controlled
  • the driving power of the mechanism 520 is the working state of N.
  • the number of driving mechanisms may also be multiple, and the number of detection mechanisms may also be one.
  • a plurality of detection elements can be encapsulated together in one detection mechanism, and a detection mechanism can detect different driving mechanisms through different detection elements in the detection mechanism to detect multiple detection values.
  • FIG. 21 is a schematic diagram of a fourth structure of an electronic device provided by an embodiment of the application
  • FIG. 22 is a schematic diagram of a fifth structure of the electronic device provided by an embodiment of the application.
  • the electronic device provided in the embodiment of the present application such as the electronic device 40, may be pulled horizontally, and the electronic device 40 may include a first carrier 41, a second carrier 42, and a flexible screen assembly 43.
  • the first carrier 41 and the second carrier 42 is used to jointly carry the electronic device 40 , and the first carrier 41 and the second carrier 42 can move relatively so that a part of the flexible screen assembly 43 is unfolded outside the electronic device 40 or retracted inside the electronic device 40 .
  • the horizontal pulling refers to a method of pulling and pulling parallel to the display direction of the flexible screen assembly 43 .

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Abstract

La présente invention concerne un dispositif électronique (20) et un procédé de commande de celui-ci. Le dispositif électronique (20) comprend un premier support (100), un second support (200), un ensemble d'écran flexible (300), un mécanisme d'entraînement (520, 540) et un mécanisme de test (920, 940), dans lequel le mécanisme d'entraînement (520, 540) entraîne le premier support (100) et le second support (200) à se déplacer l'un par rapport à l'autre, de manière à entraîner l'ensemble d'écran flexible (300) à se déplacer ensemble ; et le mécanisme de test (920, 940) teste l'état de fonctionnement du mécanisme d'entraînement (520, 540) dans une période de temps prédéfinie pour obtenir une valeur de test, de sorte que le mécanisme d'entraînement (520, 540) peut être ajusté selon la valeur de test, faisant ainsi en sorte que le mécanisme d'entraînement ajusté (520, 540) soit dans un état de fonctionnement prédéfini.
PCT/CN2021/088731 2020-06-28 2021-04-21 Dispositif électronique et son procédé de commande Ceased WO2022001309A1 (fr)

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