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WO2019228368A1 - Dispositif électronique - Google Patents

Dispositif électronique Download PDF

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Publication number
WO2019228368A1
WO2019228368A1 PCT/CN2019/088867 CN2019088867W WO2019228368A1 WO 2019228368 A1 WO2019228368 A1 WO 2019228368A1 CN 2019088867 W CN2019088867 W CN 2019088867W WO 2019228368 A1 WO2019228368 A1 WO 2019228368A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
radiator
electronic device
long side
short side
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/CN2019/088867
Other languages
English (en)
Chinese (zh)
Inventor
向元彬
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
Priority claimed from CN201820826053.2U external-priority patent/CN208539942U/zh
Priority claimed from CN201810528099.0A external-priority patent/CN108832267B/zh
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of WO2019228368A1 publication Critical patent/WO2019228368A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • 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

Definitions

  • the present application relates to the field of electronic technology, and in particular, to an electronic device.
  • the present application provides an electronic device with high real-time data transmission.
  • An embodiment of the present application provides an electronic device.
  • the electronic device includes at least one first antenna component, at least one second antenna component, and a middle frame.
  • a radiator of the at least one first antenna component is formed on the middle frame.
  • the radiator is disposed independently of the middle frame, and the at least one first antenna component and the at least one second antenna component are both used to transmit and receive antenna signals in the same frequency band, and the at least one first antenna component and the at least one The second antenna components collectively form a multiple-input multiple-output antenna system.
  • FIG. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of an embodiment of a structure of the electronic device at the I-I line shown in FIG. 1;
  • FIG. 2 is a schematic diagram of an embodiment of a structure of the electronic device at the I-I line shown in FIG. 1;
  • FIG. 3 is a schematic diagram of another embodiment of the structure of the electronic device at the I-I line shown in FIG. 1;
  • FIG. 4 is a schematic diagram of another embodiment of the structure of the electronic device at the I-I line shown in FIG. 1;
  • FIG. 5 is a schematic diagram of another embodiment of the structure of the electronic device at the I-I line shown in FIG. 1;
  • FIG. 6 is a schematic diagram of another embodiment of the structure of the electronic device at the I-I line shown in FIG. 1;
  • FIG. 7 is a schematic diagram of another embodiment of the structure of the electronic device at the I-I line shown in FIG. 1;
  • FIG. 8 is a schematic diagram of another embodiment of the structure of the electronic device at the I-I line shown in FIG. 1;
  • FIG. 9 is a schematic diagram of another embodiment of the structure of the electronic device at the I-I line shown in FIG. 1;
  • FIG. 10 is a schematic diagram of another embodiment of the structure of the electronic device shown in FIG. 1 at the I-I line;
  • FIG. 11 is a schematic structural diagram of a first antenna assembly of the electronic device shown in FIG. 2;
  • FIG. 12 is a schematic structural diagram of a second antenna component of the electronic device shown in FIG. 2;
  • FIG. 13 is a schematic diagram of another embodiment of the structure of the electronic device at the I-I line shown in FIG. 1;
  • FIG. 14 is a schematic structural diagram of a part of the electronic device shown in FIG. 2;
  • FIG. 15 is a partial structural schematic diagram of a fourth antenna assembly of the electronic device shown in FIG. 13;
  • 16 is a schematic diagram of another embodiment of the structure of the electronic device at the I-I line shown in FIG. 1;
  • FIG. 17 is a schematic diagram of another embodiment of the structure of the electronic device at the I-I line shown in FIG. 1.
  • an electronic device includes at least one first antenna component, at least one second antenna component, and a middle frame, and a radiator of the at least one first antenna component is formed in the middle.
  • the radiator of the at least one second antenna component is provided independently of the middle frame, and the at least one first antenna component and the at least one second antenna component are both used to transmit and receive antenna signals in the same frequency band.
  • the at least one first antenna component and the at least one second antenna component together form a multiple-input multiple-output antenna system.
  • the middle frame includes a frame and a middle plate, and the frame includes a first short side and a second short side disposed opposite to each other and a first long side and A second long side, the first short side, the first long side, the second short side, and the second long side are connected in sequence; each radiator of the first antenna component is formed at any one A connection between the short side and any one of the long sides, and including a part of the short side and a part of the long side at the connection, each radiator of the second antenna component and the frame Insulated from each other.
  • a first gap is provided between the first short side and the middle plate, and the first gap is between the first short side and the first gap.
  • a connection at a long side is bent to extend between a portion of the first long side and the middle plate, and at a connection between the first short side and the second long side is extended to a portion of the Between the second long side and the middle plate, a first antenna slot is provided on the first short side, and the first antenna slot and the first slot are between the first short side and the first A radiator of the first antenna component is isolated from a connection of a long side or a connection of the first short side and the second long side.
  • a second gap is provided between the second short side and the middle plate, and the second gap is between the second short side and the first gap.
  • a connection at a long side is bent to extend between a portion of the first long side and the middle plate, and at a connection between the second short side and the second long side is extended to a portion of the Between the second long side and the middle plate, a second antenna slot is provided on the second short side, and the second antenna slot and the second slot are between the second short side and the first
  • a radiator of the first antenna component is isolated from a connection of a long side or a connection of the second short side and the second long side.
  • the frame is provided with a micro slit or a slit, and the frame is divided into at least one independent metal region by the micro slit or the slit.
  • the independent metal region and the frame are insulated from each other, and a radiator of the second antenna component is formed in the independent metal region.
  • the electronic device further includes at least one antenna bracket, the at least one antenna bracket is fixed to the middle plate, and a radiator of the second antenna component is formed at The antenna support.
  • the antenna bracket includes an insulating portion, and a radiator of the second antenna component is formed on the antenna bracket by a laser direct molding technique or a printing direct molding technique. .
  • the antenna bracket includes a metal portion, the metal portion and the frame are insulated from each other, and a radiator of the second antenna assembly is formed on the metal portion. on.
  • a flexible circuit board is fixed on the antenna bracket, and a radiator of the second antenna assembly is formed on the flexible circuit board.
  • the first antenna assembly further includes a first excitation source and a first switching circuit, and the first switching circuit The first switching circuit is connected between the first excitation source and the radiator of the first antenna component, and the first switching circuit is configured to switch a signal receiving and transmitting frequency band of the first antenna component.
  • the first antenna assembly further includes a first return point and a first ground-matching circuit, and the first ground-matching circuit is connected to the first antenna. Between the radiator of the component and the first return point, the first ground-matching circuit is used to adjust a return path of the first antenna component.
  • the second antenna assembly further includes a second excitation source and a second switching circuit, and the second switching A circuit is connected between the second excitation source and a radiator of the second antenna component, and the second switching circuit is configured to switch a signal receiving and transmitting frequency band of the second antenna component.
  • the second antenna assembly further includes a second return point and a second ground matching circuit, and the second ground matching circuit is connected to the first Between the radiator of the two antenna components and the second return point, the second ground-matching circuit is used to adjust a return path of the second antenna component.
  • the electronic device includes two first antenna components and two second antenna components.
  • the first antenna component and the two second antenna components together form a 4 ⁇ 4 multiple-input multiple-output antenna system for transmitting and receiving antenna signals in the LTE mid / high frequency band.
  • one of the radiators of the first antenna component is formed at a junction between the first short side and the first long side, or is formed at Where the first short side is connected to the second long side; another radiator of the first antenna component is formed at the connection between the second short side and the first long side, or is formed at A connection between the second short side and the second long side.
  • the radiators of the two second antenna components are arranged at intervals along the first long side or the second long side, or The radiator of one of the second antenna components is disposed along the first long side, and the radiator of the second antenna component is disposed along the second long side.
  • the electronic device further includes a third antenna component, and the frequency band of the third antenna component receiving and transmitting antenna is different from that of the first antenna component, and the first short A third antenna slot is provided on the side, and the first antenna slot, the third antenna slot, and the first slot isolate the radiator of the third antenna component on the first short side.
  • the third antenna component includes a third excitation source, a third switching circuit, a third ground-matching circuit, and a third return point
  • the third A switching circuit is connected between the third excitation source and the radiator of the third antenna component, the third switching circuit is used to switch the signal transmitting and receiving frequency band of the third antenna component, and the third pair is matched with the ground
  • the circuit is connected in parallel with the third switching circuit, and the third ground-matching circuit is connected between the radiator of the third antenna assembly and the third return point.
  • the third ground-matching circuit is used for Adjusting a return path of the third antenna component.
  • the electronic device further includes a fourth antenna component, and the fourth antenna component has the same transmitting and receiving antenna frequency band as the third antenna component, and the second antenna component The slot and the second antenna slot isolate the radiator of the fourth antenna assembly on the first long side and the second short side.
  • the electronic device further includes a fifth antenna component, and the fifth antenna component transmits and receives a frequency band with the first antenna component and the second antenna component.
  • the third antenna component and the fourth antenna component are different.
  • the first slot and the third antenna slot isolate the fifth antenna on the first short side and the second long side.
  • the radiator of the component is different.
  • the electronic device includes a sixth antenna component, and the sixth antenna component transmission and reception frequency band is a 5G WIFI frequency band, and the sixth antenna component is formed in the
  • the middle plate may be formed on the frame.
  • the electronic device 100 may be a smart device such as a tablet computer, a mobile phone, a camera, a personal computer, a notebook computer, a vehicle-mounted device, or a wearable device.
  • the electronic device 100 includes at least one first antenna assembly 10, at least one second antenna assembly 30, and a middle frame 20.
  • the radiator of the at least one first antenna assembly 10 is formed on the middle frame 20.
  • the radiator of the at least one second antenna assembly 30 is disposed independently of the middle frame 20.
  • the at least one first antenna component 10 and the at least one second antenna component 30 are both configured to transmit and receive antenna signals in the same frequency band. At least one first antenna component 10 and at least one second antenna component 30 together form a multiple-input multiple-output antenna system.
  • the fact that the radiator of the at least one second antenna assembly 30 is independent of the middle frame 20 means that the radiator of the at least one second antenna assembly 30 is provided by being insulated from the middle frame 20. That is, there is no electrical connection between the radiator of the second antenna assembly 30 and the middle frame 20.
  • the “first” and “second” used in the “first antenna assembly 10” and the “second antenna assembly 30” mentioned in this application are used for descriptive purposes only, and should not be interpreted as indicating or suggesting relative importance or Implicitly indicates the number of technical features indicated. Accordingly, other descriptions mentioned in this application that refer to "first”, “second”, “N”, etc., are also used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating what is indicated The number of technical features.
  • At least one first antenna assembly 10 is formed by forming a radiator of at least one first antenna assembly 10 on the middle frame 20 and by forming at least one radiator of the second antenna assembly 30 independently of the middle frame 20. Together with at least one second antenna assembly 30, a multiple-input multiple-output antenna system for transmitting and receiving antenna signals in the same frequency band is formed, thereby significantly increasing the channel capacity of the antenna system of the electronic device 100, thereby increasing the transmission rate of user data, and improving the electronic Real-time performance of data transmission of the device 100.
  • the radiator of the at least one first antenna assembly 10 is formed on the middle frame 20
  • the performance of the antenna system for transmitting and receiving antenna signals can be improved, and the antenna system can be prevented from being arranged inside the electronic device 100, thereby The space utilization of the electronic device 100 is improved.
  • at least one antenna assembly 10 is formed on the middle frame 20
  • when the antenna system is arranged inside the electronic device 100 components inside the electronic device 100 can avoid electromagnetic interference.
  • the middle frame 20 includes a frame 21 and a middle plate 22.
  • the frame 21 includes first short sides 211 and first short sides 212 disposed opposite to each other, and first long sides 213 and second long sides 214 disposed opposite to each other.
  • the first short side 211, the first long side 213, the first short side 212, and the second long side 214 are sequentially connected.
  • the radiator of each of the first antenna components 10 is formed at a connection between any of the short sides and any of the long sides, and includes a part of the short side and a part of the long side at the connection. .
  • the radiator of each of the second antenna components 30 and the frame 21 are insulated from each other.
  • the radiator of the first antenna assembly 10 may be formed at a connection between the first short side 211 and the first long side 213, and a portion of the first short side 211 and the first long side 213 located at the connection.
  • the radiator of the first antenna assembly 10 is formed at a connection between the first short side 211 and the second long side 214, and a portion of the first short side 211 and the second long side 214 located at the connection.
  • the radiator of the first antenna assembly 10 is formed at a connection between the second short side 212 and the first long side 213, and a portion of the second short side 212 and the first long side 213 located at the connection.
  • the radiator of the first antenna assembly 10 is formed at a connection between the second short side 212 and the second long side 214, and a portion of the second short side 212 and the second long side 214 located at the connection.
  • the first antenna assembly 10 not only can improve the antenna performance of the first antenna assembly 10, but also can prevent the user from affecting the performance of the antenna system by holding the radiator of the first antenna assembly 10 when using the electronic device 100.
  • the first antenna assembly 10 located at the connection between the first short side 211 and the first long side 213 and the connection between the first short side 212 and the second long side 214 can avoid the user.
  • the holding position ensures that the first antenna assembly 10 transmits and receives antenna signals at any time. Or when the user holds one of the radiators, the other radiator can also transmit and receive antenna signals as usual to ensure the stable operation of the antenna system.
  • a first gap 23 is provided between the first short side 211 and the middle plate 22.
  • the first gap 23 is bent at the connection between the first short side 211 and the first long side 213 to extend between a portion of the first long side 213 and the middle plate 22, and between the first short side 211 and the second long side 214.
  • the connection is bent to extend between a portion of the second long side 214 and the middle plate 22.
  • a first antenna slit 24 is provided on the first short side 211.
  • the first antenna slot 24 and the first slot 23 isolate the radiator of the first antenna assembly 10 at the connection between the first short side 211 and the first long side 213 or the connection between the first short side 211 and the second long side 214. .
  • the first short side 211 and the first long side 213 are made of a metal material.
  • the connection between the first short side 211 and the first long side 213 is an arc segment.
  • the arc-shaped section and part of the first short side 211 and part of the first long side 213 form the first radiator 11 of the first antenna assembly 10.
  • the directions in which the first radiator 11 transmits and receives antenna signals have multiple directions, including the first short side 211, the first long side 213, and the orientation of the connection between the first short side 211 and the first long side 213. Therefore, the first radiator 11 in this embodiment can transmit and receive antenna signals in multiple directions to further improve the transmission rate of user data.
  • the first radiator 11 formed on the frame 21 can save the internal space of the electronic device 100 to arrange more devices, thereby improving the space utilization of the electronic device 100.
  • the first radiator 11 formed on the frame 21 can also prevent electromagnetic interference caused by components inside the electronic device 100 when the antenna system is arranged inside the electronic device 100.
  • a second gap 25 is provided between the second short side 212 and the middle plate 22.
  • the second gap 25 is bent at the junction of the second short side 212 and the first long side 213 to extend between a portion of the first long side 213 and the middle plate 22, and between the second short side 212 and the second long side 214.
  • the connection is bent to extend between a portion of the second long side 214 and the middle plate 22.
  • the second short side 212 is provided with a second antenna slot 26, and the second antenna slot 26 and the second slot 25 are at a connection between the second short side 212 and the first long side 213 or the second short side 212 and the second long side
  • the connection of 214 isolates the radiator of the first antenna assembly 10.
  • connection between the second short side 212 and the second long side 214 is an arc-shaped segment.
  • the arc-shaped segment and part of the second short side 212 and part of the second long side 214 form the second radiator 12 of the first antenna assembly 10.
  • the direction in which the second radiator 12 transmits and receives antenna signals has multiple directions, including the orientation of the second short side 212, the second long side 214, and the direction where the second short side 212 and the second long side 214 are connected. Therefore, the second radiator 12 of the first antenna assembly 10 can transmit and receive antenna signals in multiple directions to further improve the transmission rate of user data.
  • the second radiator 12 formed on the frame 21 can save the internal space of the electronic device 100 to arrange more devices, thereby improving the space utilization rate of the electronic device 100.
  • the second radiator 12 formed on the frame 21 can also prevent electromagnetic interference caused by components inside the electronic device 100 when the antenna system is arranged inside the electronic device 100.
  • the radiator of the second antenna assembly 30 has multiple setting methods:
  • Embodiment 1 As shown in FIGS. 2 and 3, a gap 2131 is provided on the frame 21.
  • the frame 21 is divided into at least one independent metal region (31/32) by a micro slit band or a slit.
  • Independent metal regions (31/32) are insulated from the frame 21.
  • the radiator of the second antenna assembly 30 is formed in a separate metal region (31/32).
  • the independent metal region (31/32) refers to one of the following third radiators 31 or fourth radiators.
  • the first long side 213 is a metal material.
  • a slit 2131 is provided on the first long side 213 to divide the first long side 213 into two independent metal regions (31/32).
  • the two metal regions (31/32) form the third radiator 31 and the fourth radiator 32 of the second antenna assembly 30, respectively.
  • the antenna frequency bands of the third radiator 31 and the fourth radiator 32 are the same as those of the first antenna 11 and the second radiator 12.
  • the second antenna assembly 30 can be prevented from being additionally arranged in the electronic device 100, thereby saving the internal space of the electronic device 100 and improving the electronic device. Space utilization.
  • the third radiator 31 and the fourth radiator 32 are formed in the electronic device 100, the channel capacity of the electronic device 100 can be doubled, thereby improving the real-time performance of data transmission of the electronic device 100.
  • a micro slit tape is provided on the frame 21.
  • the frame 21 is divided into at least one independent metal region by a micro slit band. Independent metal regions are insulated from the frame 21.
  • the radiator of the second antenna assembly 30 is formed in a separate metal region.
  • the third radiator 31 of the second antenna assembly 30 may be formed on at least one of the first short side 211, the first short side 212, or the second long side 214.
  • the fourth radiator 32 of the second antenna assembly 30 may be formed on one of the first short side 211, the first short side 212, or the second long side 214. Specific can be set according to the actual situation.
  • the electronic device 100 further includes at least one antenna bracket 40.
  • At least one antenna bracket 40 is fixed to the middle plate 22.
  • the radiator of the second antenna assembly 30 is formed on the antenna support 40.
  • an antenna bracket 40 is provided on the middle plate 22 to set the third radiator 31 and the fourth radiator 32 of the second antenna assembly 30 on the antenna bracket 40.
  • the antenna bracket 40 is disposed near the first long side 213.
  • the third radiator 31 and the fourth radiator 32 cooperate with the first radiator 11 and the second radiator 12 to transmit and receive antenna signals in the same frequency band, thereby increasing the channel capacity of the antenna system and further increasing the transmission rate of user data.
  • the second antenna assembly 20 may be disposed near the second long side 214.
  • the antenna bracket 40 is a first pressure plate bracket.
  • the radiator of the second antenna assembly 30 is formed on the first platen bracket.
  • a first mounting hole is provided on the first platen bracket.
  • the middle plate 22 is provided with a second mounting hole.
  • the first pressure plate bracket is fixed on the middle plate 22 by screws or screws.
  • the third radiator 31 and the fourth radiator 32 of the second antenna assembly 30 are formed on the first pressure plate bracket to cooperate with the first radiator 11 and the second radiator 12 to transmit and receive antenna signals of the same frequency band, thereby improving the channel of the antenna system. Capacity, thereby increasing the transmission rate of user data.
  • the middle board 22 is provided with a first circuit board 221.
  • the first circuit board 221 is provided with a plurality of circuit components, such as a resistor, an inductor, or a capacitor.
  • the first pressing plate bracket can be used to press these circuit components on the middle plate 22, on the one hand, to avoid interference between these components and other components, or to prevent other components of the electronic device 100 and these components from occurring. The collision ensures that these components work normally.
  • the overall bonding strength of the electronic device 100 can be improved. Therefore, the first pressure plate bracket of this embodiment can be used for both purposes, which can save the internal space of the electronic device 100 and improve the space utilization rate inside the electronic device 100.
  • the first platen bracket may be fixed to the middle plate 22 by welding or snapping.
  • the antenna bracket 40 includes an insulating portion 41.
  • the radiator of the second antenna assembly 30 is formed on the antenna bracket 40 by a laser direct molding technique or a printing direct molding technique.
  • the antenna bracket 40 is a first pressure plate bracket.
  • the first pressure plate bracket is disposed near the first long side 213.
  • a metal antenna pattern is formed on the insulating portion 41 of the first platen bracket by a laser direct molding technique or a printing direct molding technique, thereby forming the third radiator 31 and the fourth radiator 32 of the second antenna assembly 30.
  • the first platen bracket may be disposed near the second long side 214.
  • the antenna bracket 40 includes a metal portion 42.
  • the metal portion 42 and the frame 21 are insulated from each other.
  • the radiator of the second antenna assembly 30 is formed on the metal portion 42.
  • the antenna bracket 40 is a first pressure plate bracket.
  • the first pressure plate bracket is disposed near the first long side 213.
  • the slit 421 of the first pressing plate metal portion 42 divides at least two independent second metal regions.
  • the second metal region forms the third radiator 31 and the fourth radiator 32 of the second antenna assembly 30.
  • the metal portion 42 is provided on the first platen bracket to further improve the bonding firmness between the first platen bracket and the middle plate 22, thereby improving the overall bonding strength of the electronic device 100.
  • the third radiator 31 and the fourth radiator 32 are formed in the metal part 42 to cooperate with the first radiator 11 and the second radiator 12 to transmit and receive antenna signals of the same frequency band, thereby effectively improving the antenna system.
  • the channel capacity of the electronic device 100 is further improved.
  • at least two independent second metal regions are divided by the micro-slit strip of the first platen metal portion 42. The second metal region forms the third radiator 31 and the fourth radiator 32 of the second antenna assembly 30.
  • Embodiment 6 As shown in FIG. 8, a flexible circuit board 44 is fixed on the antenna bracket 40.
  • the radiator of the second antenna assembly 30 is formed on the flexible circuit board 44.
  • the antenna bracket is a first pressure plate bracket.
  • the first flexible circuit board forms the third radiator 31 of the second antenna assembly 30.
  • the second flexible circuit board 44 forms a fourth radiator 32 of the second antenna assembly 30.
  • the third radiator 31 and the fourth radiator 32 cooperate with the first radiator 11 and the second radiator 12 to transmit and receive antenna signals of the same frequency band, thereby effectively improving the channel capacity of the antenna, and further increasing The transmission of the electronic device 100 is real-time.
  • the two flexible circuit boards are fixed by embedding or welding on the first platen bracket to form a third radiator 31 and a fourth radiator 32.
  • the electronic device 100 further includes a second antenna bracket 50.
  • the second antenna bracket 50 is spaced from the antenna bracket 40.
  • the second antenna bracket 50 is fixed to the middle plate 22.
  • the second antenna bracket 50 is disposed near the second long side 214.
  • the antenna bracket 40 includes a first insulating portion 43.
  • the third radiator 31 of the second antenna assembly 30 is formed by fixing a flexible circuit board to the first insulating portion 43 or by a laser direct molding technique or a printing direct molding technique.
  • the second antenna bracket 50 includes a second insulating portion 51.
  • the fourth radiator 32 of the second antenna assembly 30 is formed by fixing a flexible circuit board to the second insulating portion 51 or by a laser direct molding technique or a printing direct molding technique.
  • the second antenna bracket 50 is a second pressure plate bracket.
  • the second pressure plate bracket is used for fixing circuit components on the first circuit board 221. Therefore, the third radiator 31 and the fourth radiator 32 are provided at a distance from the antenna bracket 40 to prevent the user from receiving and transmitting antenna signals through the fourth radiator 32 when the user holds the third radiator 31.
  • the antenna bracket 40 includes a first insulating portion 43.
  • the second antenna bracket 50 includes a first metal portion 52.
  • the third radiator 31 of the second antenna assembly 30 is formed by fixing a flexible circuit board to the first insulating portion 43 or by a laser direct molding technique or a printing direct molding technique.
  • the antenna bracket 40 is a first pressure plate bracket.
  • the second antenna bracket 50 is a second pressure plate bracket.
  • a metal region is divided in the first metal portion 52 through the slot 521 to form a fourth radiator 32 of the second antenna assembly 30.
  • the positions of the antenna bracket 40 and the second antenna bracket 50 may be reversed. Set it according to the actual situation.
  • the electronic device 100 includes two first antenna components 10 and two second antenna components 30.
  • the two first antenna components 10 and the two second antenna components 30 together form a 4 ⁇ 4 multiple-input multiple-output antenna system for transmitting and receiving antenna signals in the LTE mid / high frequency band.
  • the 4 ⁇ 4 MIMO antenna supports the LTE frequency band.
  • the LTE frequency band includes a low frequency band, an intermediate frequency band, and a high frequency band.
  • the intermediate frequency band of the LTE band is 1710MHz-2170MHz.
  • the high-frequency bands of the LTE band are 2300MHz-2400MHz and 2500MHz-2700MHz.
  • the low-frequency band of the LTE band is 824MHz-960MHz.
  • the first radiator 11 of the first antenna assembly 10 is formed at a connection between the first short side 211 and the first long side 213, or at a connection between the first short side 211 and the second long side 214.
  • the second radiator of the first antenna assembly 10 is formed at a connection between the second short side 212 and the second long side 214, or is formed at a connection between the second short side 212 and the second long side 214.
  • the radiators of the two second antenna assemblies 30 may be formed by any one of the first embodiment to the eighth embodiment.
  • the radiators of the two second antenna components 30 may be disposed at intervals along the second long side 214 or the second long side 214.
  • the radiator of one of the second antenna components 30 is disposed along the second long side 214, and the radiator of the other second antenna component 30 is disposed along the second long side 214. This application does not make specific restrictions.
  • the first antenna assembly 10 further includes a first excitation source 13 and a first switching circuit 14.
  • the first switching circuit 14 is connected between the first excitation source 13 and the radiator of the first antenna assembly 10.
  • the first switching circuit 14 is used to switch a signal receiving and transmitting frequency band of the first antenna assembly 10.
  • the first switching circuit 14 includes a first switching branch c1 and a second switching branch c2 which are arranged in parallel.
  • the first switching branch c1 is provided with an inductor.
  • the second switching branch c2 is provided with a capacitor.
  • the switching frequency band of the first antenna assembly 10 is switched by switching the first switching branch c1 and the second switching branch c2.
  • the first excitation source 13 and the first switching circuit 14 are both disposed on the middle plate 22.
  • the first excitation source 13 is used for transmitting an excitation signal.
  • the first switching circuit 14 is configured to cover antenna signals in different frequency bands by switching different branches. For example, when the first switching circuit 14 is switched to the first switching branch c1 to work, the inductance of the first switching branch c1 is operated at 2.7 nh, and the first antenna assembly 10 receives and transmits a frequency of 1800 MHz. When the first switching circuit 14 is switched to work on the second switching branch c2, the capacitance of the second switching branch c2 is operated at 1p, and the first antenna assembly 10 receives and transmits a frequency of 2600 MHz. In other embodiments, the first switching branch c1 and the second switching branch c2 may be swapped. Specific can be set according to the actual situation. In other embodiments, the first switching circuit 14 also includes other tuning devices such as switches. This application does not make specific restrictions.
  • the first antenna assembly 10 further includes a first return point 15 and a first ground-matching circuit 16.
  • the first ground-matching circuit 16 is connected between the radiator of the first antenna assembly 10 and the first return point 15.
  • the first ground-matching circuit 16 is used to adjust the return path of the first antenna assembly 10.
  • the first pair-to-ground matching circuit 16 is connected in parallel with the first switching circuit 14.
  • the first pair-to-ground matching circuit 16 includes an inductor.
  • the inductor includes a first connection terminal and a second connection terminal. The first connection terminal is connected to the first return point 15, and the second connection terminal is connected to the first switching circuit 14.
  • the position of the first round point 15 is adjusted to adjust the length between the feeding point of the first radiator 11 and the first round point 15 to adjust the inductance of the inductor, and then the first An antenna component 10 transmits and receives an antenna frequency band.
  • the first pair of ground matching circuits 16 may also include a capacitor.
  • the structure of the second radiator 12 of the first antenna assembly 10 is the same, and details are not described herein.
  • a switch for shielding low-frequency signals is provided on a side of the second radiator 12 remote from the ground matching circuit.
  • the switch for shielding low-frequency signals is closed, and the second radiator 12 is directly connected to the ground point through an inductor or a capacitor to avoid the influence of low-frequency signals.
  • the second antenna assembly 30 further includes a second excitation source 33 and a second switching circuit 34.
  • the second switching circuit 34 is connected between the second excitation source 33 and the radiator of the second antenna assembly 30.
  • the second switching circuit 34 is configured to switch a signal transmitting / receiving frequency band of the second antenna assembly 30.
  • the second switching circuit 34 includes a third switching branch d1 and a fourth switching branch d2 arranged in parallel.
  • the third switching branch d1 is provided with an inductor.
  • the fourth switching branch d2 is provided with a capacitor.
  • the switching frequency band of the second antenna assembly 30 is switched by switching the third switching branch d1 and the fourth switching branch d2.
  • the second excitation source 33 and the second switching circuit 34 are both disposed on the middle plate 22.
  • the second excitation source 33 is used for transmitting an excitation signal.
  • the second switching circuit 34 is configured to cover different antenna frequency bands by switching different circuit devices. For example, when the second switching circuit 34 is switched to the third switching branch d1 to work, the inductance of the third switching branch is operated at 2.7 nh, and the first antenna assembly 10 is transmitting and receiving a frequency of 1800 MHz. When the second switching circuit 34 is switched to the fourth switching branch d2 for operation, the capacitance of the fourth switching branch d2 is operated at 1p, and the first antenna assembly 10 receives and transmits a frequency of 2600 MHz. Furthermore, the second switching circuit 34 may also be connected to the ground point through an inductor or a capacitor, so as to adjust the second antenna component 30 to transmit and receive different antenna frequency bands.
  • the second antenna assembly 30 further includes a second return point 35 and a second ground matching circuit 36.
  • the second ground matching circuit 36 is connected between the radiator of the second antenna assembly 30 and the second return point 35.
  • the second ground-matching circuit 36 is used to adjust the return path of the second antenna assembly 30.
  • the specific adjustment principle is consistent with the adjustment principle of the first return point 15 of the first antenna assembly 10 and the first ground-to-ground matching circuit 16, and details are not described herein again.
  • the first circuit board 221 is disposed near the first short side 211.
  • the first excitation source 13, the first switching circuit 14, and the first ground-matching circuit 16 electrically connected to the first antenna assembly 10 near the first short side 211 are disposed on the first circuit board 221.
  • a second excitation source 33, a second switching circuit 34, and a second ground-matching circuit 36 electrically connected to the second antenna assembly 30 are disposed on the first circuit board 221.
  • the first excitation source 13 is electrically connected to the first switching circuit 14 and the first ground-matching circuit 16 through a conductive line, so as to control the first excitation source 13 to the first radiator 11 through the first circuit board 221. Transmit the excitation signal.
  • the second excitation source 33 electrically connected to the second antenna assembly 30 is electrically connected to the second switching circuit 34 through a conductive line.
  • the second excitation source 33 is controlled by the first circuit board 221 to send an excitation signal to the third radiator 31.
  • the first excitation source 13 may also be connected to the first switching circuit 14 and the first pair-to-ground matching circuit 16 by means of printed circuit board wiring or the like.
  • the second excitation source 33 may also be electrically connected to the second switching circuit 34 and the second pair-to-ground matching circuit 36 through a printed circuit board wiring or the like.
  • the electronic device 100 includes a second circuit board 222 electrically connected to the first circuit board 221.
  • the second circuit board 222 is disposed near the second short side 212 and is disposed on the middle board 22.
  • the electronic device 100 further includes a user identification card holder 223 and an electrical connector 224 provided on the midplane 22.
  • the first excitation source 13, the first switching circuit 14, and the first ground-matching circuit 16 electrically connected to the second radiator 12 near the first short side 212 are disposed on the second circuit board 222.
  • the user identification card holder 223 and the electrical connector 224 are disposed on the second circuit board 222.
  • the electrically connected first excitation source 13 of the second radiator 12 near the first short side 212 is connected to the first switching circuit 14 and the first ground-matching circuit 16 through a conductive line, and is controlled by the second circuit board 222
  • the first excitation source 13 finds an excitation signal to the second radiator 12 to realize the receiving and transmitting antenna signals of the first antenna assembly 10.
  • the second radiator 112 shares the second circuit board 222 with the user identification card holder 223 and the electrical connector 224 to save the extra preparation of a circuit board for the second radiator 12.
  • the electronic device 100 includes a third antenna component 60.
  • the transmitting and receiving antenna frequency band of the third antenna component 60 is different from that of the first antenna component 10.
  • the first short side 211 is provided with a third antenna slot 27.
  • the first antenna slit 24, the third antenna slit 27, and the first slit 23 separate the radiator of the third antenna assembly 60 on the first short side 211.
  • the antenna frequency band transmitted and received by the third antenna assembly 60 is a low-frequency band of LTE.
  • the frequency band range of the transmitting and receiving antennas of the electronic device 100 can be increased, thereby improving the antenna performance of the electronic device 100.
  • the third antenna assembly 60 includes a third excitation source 61, a third switching circuit 62, a third ground-to-ground matching circuit 63, and a third return point 64.
  • the third switching circuit 62 is connected between the third excitation source 61 and the radiator of the third antenna assembly 60.
  • the third switching circuit 62 is configured to switch a signal transmitting / receiving frequency band of the third antenna assembly 60.
  • the third ground matching circuit 63 is connected in parallel with the third switching circuit 62, and the third ground matching circuit 63 is connected between the radiator of the third antenna assembly 60 and the third return point 64.
  • the third ground matching circuit 63 is used for For adjusting the return path of the third antenna assembly 60.
  • the third antenna assembly 60 transmits and receives LTE low-frequency bands.
  • the third switching circuit 62 includes an inductor and a capacitor switch. By adjusting the inductive reactance of the inductance of the third switching circuit 62 or the impedance of the capacitor, the frequency band of the transmitting and receiving antenna of the third antenna assembly 60 is adjusted.
  • the third excitation source 61 and the third switching circuit 62 are electrically connected to the first circuit board 221.
  • the first circuit board 221 controls the third excitation source 61 to send an excitation signal to the third antenna assembly 60.
  • the third antenna assembly 60 adjusts the position of the third return point 64 to adjust the frequency band range of the antenna signal transmitted and received by the third antenna assembly 60.
  • the electronic device 100 includes a fourth antenna assembly 70.
  • the frequency band of the transmitting and receiving antenna of the fourth antenna assembly 70 is the same as that of the third antenna assembly 60.
  • the second slot 25 and the second antenna slot 26 isolate the radiator of the fourth antenna assembly 70 on the first long side 213 and the first short side 212.
  • the fourth antenna assembly 70 is isolated on the first long side 213 and the first short side 212 to transmit and receive the LTE low-frequency band, thereby increasing the types of antenna signals transmitted and received by the electronic device 100 to meet various communication requirements. demand.
  • the fourth antenna component 70 cooperates with the third antenna component 60 to form a 2 ⁇ 2 multiple-input multiple-output antenna system, which is used to transmit and receive antenna signals in the LTE low frequency band.
  • the fourth antenna assembly 70 includes a fourth excitation source 71.
  • the fourth excitation source 71 is electrically connected to the radiator of the fourth antenna assembly 70.
  • a fourth excitation source 71 is provided on the second circuit board 222.
  • the second circuit board 222 controls the fourth excitation source 71 to transmit an excitation signal, so that the fourth antenna assembly 70 transmits an antenna signal.
  • the fourth antenna assembly 70 further includes a single pole four throw switch 72.
  • the single pole four throw switch 72 includes a first port 721, a second port 722, a third port 723, and a fourth port 724.
  • the first port 721, the second port 722, the third port 723, and the fourth port 724 are respectively set at different ground points.
  • the lengths of the metal conductors from the return point connected to each port to the feeding point of the fourth antenna assembly 70 are different. Therefore, the frequency bands of the transmitting and receiving antennas corresponding to the different metal conductor lengths are different.
  • the transmitting and receiving antenna frequency band of the first port 721 is 703MHz-748MHz
  • the receiving and transmitting antenna frequency band of the second port 722 is 1850MHz-1910MHz
  • the receiving and transmitting antenna frequency band of the third port 723 is 880MHz-915MHz. Therefore, the single-pole connection with the first port 721, the second port 722, and the third port 723 is controlled to adjust the antenna frequency band for transmission and reception.
  • the fourth antenna assembly 70 is provided with a switch for shielding low-frequency signals.
  • the switch for shielding low-frequency signals is closed, and the fourth antenna assembly 70 is directly connected to the ground point through an inductor or a capacitor to avoid the fourth antenna assembly 70 The effect of low-frequency signals on the operation of the second radiator 12.
  • the electronic device 100 includes a fifth antenna assembly 80.
  • the transmitting and receiving frequency bands of the fifth antenna assembly 80 are different from those of the first antenna assembly 10, the third antenna assembly 60, and the fourth antenna assembly 70.
  • the first slot 23 and the third antenna slot 27 isolate the radiator of the fifth antenna assembly 80 on the first short side 211 and the second long side 214.
  • the fifth antenna assembly 80 transmits and receives a 2.4G WIFI frequency band, a 5G WIFI frequency band, a 2.4G GPS frequency band, and a 5GGPS frequency band.
  • the 2.4G WIFI frequency band is usually 2.4GHz-2.5GHz.
  • 5G WIFI frequency band is usually 5.1GHz-5.8GHz.
  • the types of the antenna signals transmitted and received by the electronic device 100 can be increased to meet various communication requirements.
  • the antenna signal can be received in multiple directions to quickly transmit user data.
  • the electronic device 100 includes a fourth-time location 81 and a fifth-time location 82.
  • the different positions of the third antenna assembly 60 are directly connected to the fourth loop site 81 and the fifth loop site 82 via conductive lines, respectively.
  • the fifth antenna assembly 80 works, it can significantly isolate the low-frequency signal of the third antenna assembly 60 from the first antenna.
  • the interference of the five antenna components ensures the accuracy of the antenna signals transmitted and received by the fifth antenna component 80, thereby improving the antenna performance of the electronic device 100.
  • the electronic device 100 includes a sixth antenna assembly 90.
  • the transmitting and receiving frequency band of the sixth antenna component 90 is a 5G WIFI frequency band.
  • the sixth antenna assembly 90 is formed on the middle plate 22 or the frame 21.
  • the sixth antenna component 90 and the fifth antenna component 80 form a 2 ⁇ 2 5G WIFI multiple input multiple output system.
  • the sixth antenna assembly 90 has multiple settings:
  • Embodiment 1 As shown in FIG. 16, a gap 91 is provided on the frame 21.
  • An independent third metal region 92 is divided by the slit 91, and the third metal region forms a radiator of the sixth antenna assembly 90.
  • the sixth antenna assembly 90 may be formed on one of the first short side 211, the first short side 212, or the first long side 213.
  • an independent third metal region 92 is divided by a micro slit, and the third metal region forms a radiator of the sixth antenna assembly 90.
  • the second embodiment is different from the first embodiment: as shown in FIG. 17, it is formed by fixing a flexible circuit board on the antenna bracket 40 or the second antenna bracket 50 on the middle plate 22 or by direct laser molding technology or direct printing technology.
  • the sixth antenna assembly 90 In this embodiment, a flexible circuit board is pasted on the insulating portion 41 of the antenna bracket 40 to form the radiator 93 of the sixth antenna assembly 90. In other embodiments, the flexible circuit board may also be fixed by embedding or welding on the antenna bracket 40 to form the sixth antenna assembly 90. Furthermore, a metal antenna pattern may also be formed on the antenna support 40 by a laser direct molding technique or a printing direct molding technique, thereby forming the sixth antenna assembly 90. Set it according to the actual situation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Support Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

La présente invention concerne un dispositif électronique. Le dispositif électronique comprend au moins un premier ensemble d'antennes, au moins un deuxième ensemble d'antennes et une armature centrale. Un radiateur du ou des premiers ensembles d'antennes est formé sur l'armature centrale. Un radiateur du ou des deuxièmes ensembles d'antennes est disposé indépendamment de l'armature centrale. Le ou les premiers ensembles d'antennes et le ou les deuxièmes ensembles d'antennes servent tous deux à émettre et à recevoir des signaux d'antenne dans la même bande de fréquence. Le ou les premiers ensembles d'antennes et le ou les deuxièmes ensembles d'antennes forment collectivement un système d'antennes à MIMO. Le dispositif électronique forme un système d'antenne à MIMO au moyen d'au moins un premier ensemble d'antennes et d'au moins un deuxième ensemble d'antennes pour émettre et recevoir des signaux d'antenne dans la même bande de fréquence, permettant ainsi une transmission améliorée de données en temps réel.
PCT/CN2019/088867 2018-05-29 2019-05-28 Dispositif électronique Ceased WO2019228368A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201820826053.2U CN208539942U (zh) 2018-05-29 2018-05-29 电子装置
CN201810528099.0A CN108832267B (zh) 2018-05-29 2018-05-29 电子装置
CN201820826053.2 2018-05-29
CN201810528099.0 2018-05-29

Publications (1)

Publication Number Publication Date
WO2019228368A1 true WO2019228368A1 (fr) 2019-12-05

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PCT/CN2019/088867 Ceased WO2019228368A1 (fr) 2018-05-29 2019-05-28 Dispositif électronique

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EP4280375A4 (fr) * 2021-08-17 2024-10-23 Honor Device Co., Ltd. Antenne de terminal et dispositif de terminal mobile
US12500356B2 (en) 2021-08-17 2025-12-16 Honor Device Co., Ltd. Terminal antenna and mobile terminal device

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CN108832267A (zh) * 2018-05-29 2018-11-16 Oppo广东移动通信有限公司 电子装置
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Publication number Priority date Publication date Assignee Title
EP4280375A4 (fr) * 2021-08-17 2024-10-23 Honor Device Co., Ltd. Antenne de terminal et dispositif de terminal mobile
US12500356B2 (en) 2021-08-17 2025-12-16 Honor Device Co., Ltd. Terminal antenna and mobile terminal device

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