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WO2022183711A1 - Module d'éclairage de véhicule, véhicule et procédé de formation d'un motif lumineux d'un module d'éclairage de lumière de véhicule - Google Patents

Module d'éclairage de véhicule, véhicule et procédé de formation d'un motif lumineux d'un module d'éclairage de lumière de véhicule Download PDF

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Publication number
WO2022183711A1
WO2022183711A1 PCT/CN2021/118506 CN2021118506W WO2022183711A1 WO 2022183711 A1 WO2022183711 A1 WO 2022183711A1 CN 2021118506 W CN2021118506 W CN 2021118506W WO 2022183711 A1 WO2022183711 A1 WO 2022183711A1
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WO
WIPO (PCT)
Prior art keywords
light
emitting chip
vehicle lamp
rotating
bracket
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/CN2021/118506
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English (en)
Chinese (zh)
Inventor
张洁
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.)
HASCO Vision Technology Co Ltd
Original Assignee
HASCO Vision Technology Co 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 CN202110226630.0A external-priority patent/CN112902107B/zh
Priority claimed from CN202110227499.XA external-priority patent/CN112856323B/zh
Application filed by HASCO Vision Technology Co Ltd filed Critical HASCO Vision Technology Co Ltd
Publication of WO2022183711A1 publication Critical patent/WO2022183711A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/19—Attachment of light sources or lamp holders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution

Definitions

  • the present invention relates to a vehicle lighting device, in particular, to a vehicle lamp module, and in addition, to a vehicle and a method for forming an emitted light shape of the vehicle lamp lighting module.
  • a switch for the high-beam function is realized by switching the shading plate, and the corresponding shading plate is also provided with a switch for controlling the high-beam function.
  • the existing high-beam and low-beam vehicle lamp lighting functions are generally classified into reflective type and projection type.
  • the reflective type is mainly composed of a light source and a reflective bowl, and the cut-off line of light and dark is realized by the boundary of the reflective surface on the reflective bowl;
  • the projection type is composed of a light source, a reflective bowl, a shading plate and a lens, and the structure is relatively complex.
  • the technical problem to be solved by the present invention is to provide a vehicle lamp module, which simplifies the structural design, and forms a light shape with a cut-off line of light and dark through the rapid movement of the light-emitting chip.
  • the further technical problem to be solved by the present invention is to provide a vehicle with high light efficiency.
  • the technical problem to be solved by the present invention is to provide a method for forming a light shape of a vehicle lamp lighting module, which can not only improve the light efficiency, but also facilitates a simplified structural design.
  • a first aspect of the present invention provides a vehicle lamp module, including a light source, the light source at least includes a first square light-emitting chip, and is installed on a rotatable rotating bracket, so that the light source can follow
  • the rotating support is driven to oscillate around a rotating axis at a set frequency; wherein, an edge of the first square light-emitting chip has an included angle with a set angle with a plane perpendicular to the rotating axis.
  • it also includes a fixed bracket and a rotating motor that can be rotatably connected to the rotating shaft on the rotating bracket, and the rotating bracket is respectively connected to the rotating motor and the fixed bracket through a swing structure.
  • the swing structure includes a first bearing installed on the rotating support and a torsion spring disposed between the rotating support and the fixed support, and a driving gear is fixed on the rotating shaft of the rotating motor.
  • the driving gear is connected with the first bearing through a cam
  • the cam is provided with gear teeth that can mesh with the driving gear
  • the torsion spring includes a spring end connected with the fixed bracket and a The torsion arm to which the swivel bracket is attached.
  • the fixed bracket is provided with a rotational speed sensor for detecting the rotational frequency of the cam.
  • the lens is connected to the fixed support through a lens support, and the rotating support is located in the space formed between the lens support and the fixed support.
  • the light source is located in the focal area of the lens.
  • the light source further comprises a second square light-emitting chip arranged side by side with the first square light-emitting chip, and the edge of the upper end of the second square light-emitting chip is parallel to a plane perpendicular to the rotation axis, so At least one of the left and right right-angle points of the first square light-emitting chip is located on the extension line of the edge of the upper end of the second square light-emitting chip.
  • the first square light-emitting chip is a multi-chip light-emitting chip.
  • the set angle is not less than 15° and less than 90°.
  • the set angle is 15° or 45°.
  • the set frequency is greater than 30 Hz.
  • the rotating shaft is mounted on the fixed bracket through a second bearing.
  • a second aspect of the present invention provides a vehicle, including the vehicle lamp module according to any one of the technical solutions of the first aspect.
  • a third aspect of the present invention provides a method for forming a light shape of a vehicle lamp lighting module, wherein the light source of the vehicle lamp lighting module includes at least a first square light-emitting chip; wherein, the forming method includes the following steps: first , arrange the first square light-emitting chip with an edge or an extension line of the edge of the first square light-emitting chip and a plane perpendicular to the rotation axis at a set angle; second, drive the light source around the The rotation axis swings at a set frequency to form the shape of the outgoing light.
  • the first square light-emitting chip is a multi-chip light-emitting chip, including a low-beam light-emitting chip for forming a low beam and a high-beam light-emitting chip for forming a high beam.
  • the on-off of the high beam light-emitting chip realizes the switching of the far and near beam lighting.
  • the light source is driven by a rotating motor to oscillate at a set frequency.
  • the vehicle lamp lighting module further includes a rotating bracket for installing the light source and a fixed bracket connected with the rotating shaft of the rotating bracket; in the second step, the rotating motor passes through the rotating bracket The light source is driven to oscillate around the rotation axis at a set frequency.
  • a torsion spring is connected between the rotating support and the fixed support, and a cam is connected between the rotating support and the rotating motor; in the second step, the rotating motor pushes the rotating motor through the cam.
  • the rotating bracket rotates around the rotating shaft, and then the rotating bracket rotates under the action of the restoring force of the torsion spring, and the above process is repeated, so that the light source oscillates with the rotating bracket at a set frequency.
  • a rotational speed sensor is provided on the fixed bracket, and the rotational frequency of the cam is detected by the rotational speed sensor, so as to ensure that the light source oscillates at a set frequency.
  • the vehicle lamp lighting module further includes a lens
  • the light source is located in a focal area of the lens
  • the light emitted by the light source is projected through the lens to form an outgoing light shape.
  • the vehicle lamp module of the present invention designs the light source as a light source that can swing periodically.
  • the light source is arranged on the rotating bracket, so that the light source can follow the rotating bracket to be driven around the rotation axis at a set frequency Swing simplifies the design of the light source;
  • a square light-emitting chip is used as the light source, and creatively, one edge of the first square light-emitting chip is set to have a set angle with the plane perpendicular to the rotation axis, so , when the light source follows the rotating bracket to swing around the rotation axis at a set frequency, the light emitted by the first square light-emitting chip can form a light shape with an oblique line in the cut-off line of light and dark, and the light shape can be used for high beam lighting, or , Combined with the existing vehicle lamp lighting system, a low beam shape with a complete cut-off line of bright and dark can be formed; the shading plate in the conventional integrated vehicle lamp module of high and low
  • the rotating support is connected to the rotating motor and the fixed support respectively through the swing structure, the rotating motor pushes the rotating support to rotate around the rotating shaft to one side through the cam, and then under the action of the torsion spring, the rotating support is pulled back to the original position around the rotating shaft. position, forming a complete swing process, in this way, under the uninterrupted driving of the rotating motor, the light source can follow the rotating bracket to swing periodically, and then a continuous light shape can be formed.
  • a second square light-emitting chip can be arranged side by side with the first square light-emitting chip.
  • the arrangement of the second square light-emitting chip on the circuit board is different from that of the first square light-emitting chip.
  • One edge of the first square light-emitting chip needs to be There is a set angle with the plane perpendicular to the rotation axis, and the edge of the upper end of the second square light-emitting chip is parallel to the plane perpendicular to the rotation axis, and at least one of the left and right right angle points of the first square light-emitting chip is located On the extension line of the edge of the upper end of the second square light-emitting chip, in this way, when the light source swings periodically, a low beam shape with a cut-off line of bright and dark can be directly formed.
  • the first square light-emitting chip is a multi-chip light-emitting chip, and the low beam function and the high beam function can be integrated together. .
  • Fig. 1 is a perspective structural view of an embodiment of the present invention
  • FIG. 2 is a front view of an embodiment of the present invention
  • Fig. 3 is a partial cross-sectional view along line A-A in Fig. 2;
  • Fig. 4 is the sectional view along B-B line in Fig. 3;
  • FIG. 5 is a three-dimensional assembly view of an embodiment of the present invention.
  • Figure 6 is a side view of an embodiment of the present invention.
  • Fig. 7 is the sectional view along C-C line in Fig. 6;
  • Fig. 8 is the sectional view along D-D line in Fig. 7;
  • FIG. 9 is a schematic diagram of a light shape formed by swinging a first square light-emitting chip in an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of a light shape formed by swinging a second square light-emitting chip in an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of the arrangement positions between the first square light-emitting chip and the second square light-emitting chip in an embodiment of the present invention
  • Figure 12 is a schematic view of the light shape formed by the first square light-emitting chip in Figure 11 and the second square light-emitting chip swinging together;
  • FIG. 13 is a schematic diagram of the arrangement position between a first square light-emitting chip and a second square light-emitting chip in an embodiment of the present invention; wherein the first square light-emitting chip is a multi-chip light-emitting chip;
  • FIG. 14 is a schematic diagram of a low beam light shape formed by swinging together the first square light-emitting chip and the second square light-emitting chip in FIG. 13;
  • FIG. 15 is a schematic diagram of the high beam light shape formed by the light-emitting chip at the upper end of the first square light-emitting chip in FIG. 13 alone emitting light;
  • FIG. 16 is a schematic diagram of the light shapes of far and near beams formed by swinging together the first square light-emitting chip and the second square light-emitting chip in FIG. 13;
  • FIG. 17 is a flow-step block diagram of a method for forming a light shape of a vehicle lamp lighting module according to a specific embodiment of the present invention.
  • the first square light-emitting chip 12 The second square light-emitting chip
  • the first light-emitting area 14 The second light-emitting area
  • connection should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection
  • the connection, or the integral connection may be a direct connection or an indirect connection through an intermediate medium, and may be the internal communication of two elements or the interaction relationship between the two elements.
  • first”, “second” and “third” are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or indicating the number of technical features indicated, therefore, limited to The features of “first”, “second”, “third” may expressly or implicitly include one or more of said features.
  • the azimuth words “front”, “rear”, etc. are used, which are technical definitions based on the car lamp module itself as the azimuth reference.
  • the direction is front, and the opposite is rear.
  • the azimuth words “left and right” refer to the left and right sides along the illumination direction of the vehicle lights
  • the azimuth words “upper and lower” refer to the upper and lower sides along the illumination direction of the vehicle lights.
  • the "front”, “rear”, “left”, “right”, “upper” and “lower” do not refer to the necessary orientation of the lamp module installed on the vehicle.
  • the installation positions of the lamps are different, and the limitation on the orientation of the lamp module itself does not constitute a limitation on the protection scope of the lamp module of the present invention.
  • the technical meaning of the orientation of the lamp module of the present invention applied to the vehicle should be based on the actual The installation status is explained in conjunction with the technical orientation meaning based on the lamp module itself.
  • the vehicle lamp module includes a light source 1, and the light source 1 includes at least a first square light-emitting chip 11 and is mounted on a rotatable rotating bracket 2 to The light source 1 can be driven to oscillate around the rotation axis at a set frequency following the rotation bracket 2; wherein, an edge of the first square light-emitting chip 11 has a setting with a plane perpendicular to the rotation axis. Fixed angle.
  • the light-emitting chip is usually arranged on a circuit board, that is, the circuit board provided with the first square light-emitting chip 11 is mounted on the rotating support 2, when the rotating support 2 is driven around the rotation axis
  • a continuous light shape will be formed;
  • the bright light shape can be divided into a horizontal part light shape and an inclined part light shape.
  • the two are superimposed to form a low beam light shape.
  • the edge of the low beam light shape is the well-known cut-off line of light and dark, which is used to prevent the eyes of the oncoming vehicle driver from crossing the car.
  • the existing headlamp lighting modules mostly use a shading plate to block the light emitted by the light source to form a low beam shape, and in order to realize the integrated module of the far and near beams, a power drive mechanism is usually set to control the shading plate up and down
  • a power drive mechanism is usually set to control the shading plate up and down
  • part of the light will be lost, the utilization rate of the light source is reduced, and the structure is relatively complicated; however, the vehicle lamp module of the present invention
  • One edge of 11 is set to have a set angle with the plane perpendicular to the rotation axis, which can skillfully form an oblique line in the cut-off line of light and dark.
  • the inclined part of the light shape of the low beam will be formed, and the horizontal part of the light shape can be realized by using the existing conventional lighting.
  • the horizontal part of the light shape of the low beam shape is formed; a light-emitting chip can also be provided, so that the light-emitting chip and the first square light-emitting chip 11 swing together with the rotating bracket 2 to correspondingly form the horizontal part of the light shape of the low beam shape.
  • the installation orientation of the second square light-emitting chip 12 and the first square light-emitting chip 11 is consistent with the orientation of the vehicle lamp module of the present invention, and the rotation axis is arranged along the up-down direction of the vehicle lamp module , to ensure that the low beam shape can be formed after swinging at the set frequency; as shown in FIG. 9, since the first square light-emitting chip 11 is set obliquely, its right-angle points can be divided into up, down, left, right, right angles according to the azimuth; although , the above-mentioned first square light-emitting chip 11 arranged obliquely is mainly used to form a low beam shape, but can also be used to form a high beam.
  • the light source 1 further includes a second square light-emitting chip 12 , the second square light-emitting chip 12 is arranged side by side with the first square light-emitting chip 11 , and the ridges on the upper end of the second square light-emitting chip 12 are arranged side by side.
  • the sides are parallel to the plane perpendicular to the rotation axis, and at least one of the left and right right-angle points of the first square light-emitting chip 11 is located on the extension line of the edge of the upper end of the second square light-emitting chip 12; FIG.
  • the second square light-emitting chip 12 shows the second square light-emitting chip 12
  • the second square light-emitting chip 12 and the first square light-emitting chip 11 are square light-emitting chips, and the left and right two square light-emitting chips of the first square light-emitting chip 11
  • the right-angle points all fall on the edge extension line of the upper end of the second square light-emitting chip 12 , or, only one of the left and right right-angle points of the first square light-emitting chip 11 falls on the edge of the upper end of the second square light-emitting chip 12 .
  • the light emitted from the second square light-emitting chip 12 and the first square light-emitting chip 11 can form a low beam shape with a well-connected light-dark cut-off line.
  • the second square light-emitting chip 12 and the first square light-emitting chip A square light-emitting chip 11 can also be a rectangular light-emitting chip, or, one is a square light-emitting chip, and the other is a rectangular light-emitting chip; in addition, when only one of the two right-angle points on the left and right of the first square light-emitting chip 11 falls on When the edge of the upper end of the second square light-emitting chip 12 is extended on the line, it can form a low beam shape corresponding to left-hand drive or right-hand drive, especially when the first square light-emitting chip 11 is a square light-emitting chip, the left and right right angles When they all fall on the edge extension line of the upper end of the second square light-emitting chip 12
  • the first square light-emitting chip 11 and the second square light-emitting chip 12 may adopt an LED chip, an OLED light-emitting chip, or a laser-based light-emitting chip or the like.
  • the number of the second square light-emitting chips 12 is two, and the number of the first square light-emitting chips 11 is one.
  • the number of square light-emitting chips 11 can be selected and set according to needs; in addition, compared with a conventional lighting system that uses matrix light-emitting chips as light sources, the vehicle lamp module of the present invention uses a small number of light-emitting chips, and the same situation Under the same cooling device, a better cooling effect can be obtained.
  • the second square light-emitting chip 12 and the first square light-emitting chip 11 are both arranged perpendicular to the illumination direction of the vehicle lamp, however, the second square light-emitting chip 12 and the first square light-emitting chip 12 are arranged perpendicular to the illumination direction of the vehicle lamp.
  • the shaped light-emitting chip 11 can also be disposed obliquely toward the illumination direction of the vehicle lamp, as long as it can finally form a low beam shape.
  • the set frequency is required to ensure that the frequency is greater than the frequency recognizable by the human eye, generally greater than 30Hz, such as 40Hz, 50Hz, 80Hz, 90Hz, 100Hz, etc.
  • the set angle is not less than 15° and less than 90°; further, according to the existing standard for headlamps, the left end of the cut-off line is horizontal, and the right end, that is, the HV point, is inclined upward by 15° or 45°, For this reason, the set angle is preferably 15° or 45°; it can be understood that the above angle is selected according to the existing standard. If the standard is revised and the angle is changed, the lamp module of the present invention can also be applied in the modified angle value.
  • the rotating bracket 2 is connected to the servo motor, and the rotating bracket 2 can be oscillated at the set frequency by controlling the forward and reverse rotation of the servo motor;
  • the rotating bracket 2 is mounted on the fixed bracket 3 through the rotating shaft 21 , and the rotating shaft 21 can rotate relative to the fixed bracket 3 .
  • the second bearing 31 can be embedded in the fixed bracket 3.
  • two second bearings 31 are arranged on the fixed bracket 3.
  • the rotating bracket 2 is also provided with a rotating shaft at each end. 21.
  • the second bearing 31 can be sleeved and fixedly connected with the rotating shaft 21 to realize the swinging motion of the rotating support 21 and ensure the stability of the swinging motion of the rotating support 21; in the example shown in FIG.
  • the rotating shaft 21 is located in the rotating support 2
  • the front end of the light source 1, the installation surface of the light source 1 is located at the rear end of the rotating bracket 2, and the rotating bracket 2 can also have other specific structural forms, such as the rotating shaft 21 is located at the rear end of the rotating bracket 2, and the installation surface of the light source 1 is located at the front end of the rotating bracket, or,
  • a connecting rod is installed at the rear end of the installation surface of the light source 1, and the connecting rod is fixedly connected with the rotating shaft 21; wherein, the axis of the rotating shaft 21 is the rotating axis.
  • the rotating support 2 is respectively connected with the rotating motor 4 and the fixed support 3 through the swing structure, so as to realize the periodic swing of the rotating support 2 .
  • the swing structure includes a first bearing 51 and a torsion spring 52 .
  • the first bearing 51 is installed on the rotating support 2
  • the torsion spring 52 is installed on the rotating support 2 and the fixed support 3 .
  • the spring end is connected with the fixed bracket 3, and the torsion arm is connected with the rotating bracket 2, which can provide a restoring force during the swinging process of the rotating bracket 2.
  • a driving gear 41 is fixed on the rotating shaft of the rotating motor 4, and the driving gear 41 and The first bearing 51 is connected to the cam 6 , and the cam 6 is formed with gear teeth that can cooperate with the driving gear 41 , so that the rotating motor 4 can drive the cam 6 to rotate, and the first bearing 51 pushes the rotating bracket 2 to rotate around the rotating shaft 21 .
  • One side swings, and then swings in the opposite direction under the action of the restoring force of the torsion spring 52, so that the rotating bracket 2 can swing periodically, so that the light emitted by the light source 1 can form a continuous and uniform light shape.
  • the above-mentioned embodiment can also be simply changed to form another embodiment.
  • the rotary motor 4 is replaced by a hydraulic cylinder, and the piston rod of the hydraulic cylinder is connected with the rotary support 2.
  • the rotating bracket 2 is driven to swing around the rotating shaft 21, and at the same time, the torsion spring 52 does not need to be arranged on the rotating bracket 2 and the fixed bracket 3, and the rotating bracket 2 can be periodically oscillated by controlling the telescopic frequency of the piston rod.
  • the rotating bracket 2 is directly connected with the rotating shaft of the servo motor, and by controlling the forward and reverse rotation of the servo motor, the rotating bracket 2 can be oscillated at a set frequency.
  • a rotational speed sensor 7 can be set to detect the rotation frequency of the cam 6 to ensure that the swing frequency of the rotating bracket 2 is greater than 30 Hz.
  • the rotational speed sensor 7 can be installed on the fixed bracket. 3 above; wherein, the rotational speed sensor 7 adopts existing instruments and equipment that can be used to detect rotational speed, preferably, a Hall sensor is used.
  • the lamp module further includes a lens 8, the lens 8 is connected to the fixing bracket 3 through the lens bracket 81, and a space is formed between the lens bracket 81 and the fixing bracket 3, The rotating bracket 2 is located in this space.
  • the light source 1 is located in the focal area of the lens 8, that is, in the process that the light source 1 periodically swings with the rotating bracket 2, the light source 1 swings near the focal point of the lens 8, so that the light source 1 emits The scattered light forms a parallel beam after passing through the lens 8 .
  • the first square light-emitting chip 11 can use a multi-chip light-emitting chip;
  • FIG. 13 shows an example of the first square light-emitting chip 11 using a two-chip light-emitting chip, 13 , the light-emitting chip at the lower end of the first square light-emitting chip 11 can be used to form the low beam, and the light-emitting chip at the upper end thereof can be used to form the high beam; when the first square light-emitting chip 11 is turned on alone When the light-emitting chip at the upper end of the first square is used, as shown in FIG.
  • a light shape as shown in the third light-emitting area 15 can be formed to form a high-beam light shape through the lens 8.
  • the first square light-emitting chip 11 is turned on at the same time
  • the light-emitting chip and the second square light-emitting chip 12 are used, as shown in FIG.
  • a light shape as shown by the combination of the first light-emitting area 13 and the second light-emitting area 14 can be formed, so as to be emitted through the lens 8 to form a low beam shape, and, It can be applied to left- or right-hand drive vehicles; when the light-emitting chip at the upper end of the first square light-emitting chip 11 , the light-emitting chip at the lower end of the first square light-emitting chip 11 and the second square light-emitting chip 12 are turned on at the same time, as shown in the figure As shown in 16, the light shape shown by the first light-emitting area 13, the second light-emitting area 14 and the third light-emitting area 15 can be formed, and the light exits through the lens 8 to form a low beam shape and a high beam light shape that exist at the same time; The case where the square light-emitting chip 11 adopts other multi-chip light-emitting chips can be deduced from the above-mentioned two-chip example.
  • the vehicle lamp module includes a light source 1, a rotating bracket 2, a fixed bracket 3 and a rotating motor 4;
  • the light source 1 includes a first square light-emitting chip 11 and a second square light-emitting chip 11.
  • the light-emitting chip 12, the first square light-emitting chip 11 and the second square light-emitting chip 12 are arranged side by side, and are mounted on the rotating support 2 through the circuit board; the upper and lower ends of the rotating support 2 are respectively provided with a rotating shaft 21, each rotating shaft 21 and the two second bearings 31 on the fixed bracket 3 are correspondingly fixed and sleeved, so that the rotating bracket can rotate relative to the fixed bracket 3 around the rotation axis 21; as shown in FIG.
  • the first square light-emitting chip 11 One of the left and right edges of the upper end has a set angle with the plane perpendicular to the rotation axis of the rotating shaft 21. According to the current standard for automotive LED headlights, the set angle can be 15° or 45°.
  • the edge of the upper end of the second square light-emitting chip 12 needs to be parallel to the plane perpendicular to the rotation axis of the rotating shaft 21 , and at least one of the left and right right angle points of the first square light-emitting chip 11 is located at the edge of the upper end of the second square light-emitting chip 12 In this way, with the periodic oscillation of the first square light-emitting chip 11 and the second square light-emitting chip 12, a low beam shape or a high beam light shape can be formed.
  • the first square light-emitting chip 11 It is a multi-chip light-emitting chip, as shown in FIG. 16, which can form a low beam shape and a high beam light shape that exist at the same time; Referring to FIG.
  • the rotating shaft 21 is located at the front end of the rotating bracket 2
  • the installation surface of the light source 1 is located in the middle area of the rotating bracket 2
  • the rear end of the rotating bracket 2 is also installed with a first bearing 51 .
  • the rotating motor 4 is installed at the rear end of the fixed bracket 3 , and the rotating shaft of the rotating motor 4 is
  • a driving gear 41 is fixedly connected, and a cam 6 is arranged between the driving gear 41 and the first bearing 51 , and the cam 6 is provided with gear teeth that can mesh with the driving gear 41 .
  • a torsion spring 52 is installed between the torsion spring 52 and the fixed bracket 3, the spring end of the torsion spring 52 is connected to the fixed bracket 3, and its torsion arm is connected to the rotating bracket 2.
  • the driving gear 41 drives the cam 6 to rotate , push the rear end of the rotating bracket 2 to swing to the side deviating from its middle position through the first bearing 51, and then under the action of the torsion spring 52, the rotating bracket 2 is returned to its original position, and the rotating shaft of the rotating motor 4 continues to rotate.
  • a rotation sensor 7 can be provided to detect the rotation frequency of the cam 6; in addition, as shown in FIG. 3, a lens 8 can be provided at the front end of the lamp module, and the lens 8 is connected to the fixed bracket 3 through a lens bracket 81, and the light source 1 is located at the front end of the lamp module. within the focal area of the lens 8 , so that the scattered light emitted by the light source 1 forms a parallel light beam through the lens 8 .
  • the technical solution of the vehicle lamp module integrating the far and near beams saves the conventional optical structures such as shading plates and reflector bowls, simplifies the overall design structure, and reduces the difficulty of assembly. Moreover, the formed light shape is uniform. Sex is better.
  • Embodiments of the vehicle of the present invention may have the vehicle lamp modules described in the above embodiments, that is, all technical solutions of the above-mentioned embodiments of the vehicle lamp modules are adopted, and therefore at least have the implementation of all the vehicle lamp modules described above.
  • the light source 1 of the vehicle lamp lighting module includes at least a first square light-emitting chip 11 ;
  • the forming method includes the following steps: a first step S1, arranging the first square light-emitting chip 11 in an orientation where an edge or an edge extension line of the first square light-emitting chip 11 intersects with a plane perpendicular to the rotation axis at a set angle Shape the light-emitting chip 11; in the second step S2, drive the light source 1 to swing around the rotation axis at a set frequency to form the shape of the outgoing light.
  • the first square light-emitting chips 11 are arranged according to the above-mentioned orientation, and the light source 1 is driven to oscillate around the rotation axis at a set frequency, so as to have a light shape that forms an inclined line portion with a cut-off line.
  • the shading plate structure can be omitted in the design, the structural design of the lamp lighting module is optimized, a new method for forming the light shape of the lamp lighting module is provided, and the selection range of the design of the vehicle lamp lighting module is expanded. .
  • a conventional lighting module is set up, as long as the lighting module can provide outgoing light
  • the light shape of the horizontal part of the shape can be used, for example, a horizontal light shape is formed by a conventional set of LED light sources with fixed positions, and the first square light-emitting chip 11 cooperates to form a low beam light shape with a complete cut-off line.
  • a second square light-emitting chip 12 can be arranged side by side with the first square light-emitting chip 11 , so that the upper or lower edge of the second square light-emitting chip 12 is perpendicular to the rotation axis.
  • the same heat dissipation device can achieve better heat dissipation effect, and there is no need to provide a shading plate structure, which will not cause the temperature of the shading plate and its vicinity to rise sharply, which is also convenient for simplifying the structure and facilitating production and assembly.
  • the first square light-emitting chip 11 may be a multi-chip light-emitting chip, and the first square light-emitting chip 11 shown in FIG. 13 uses a two-chip light-emitting chip as an example for illustration.
  • the two-chip light-emitting chip can be divided into a low-beam light-emitting chip for forming a low beam and a high-beam light-emitting chip for forming a high beam.
  • the low-beam light-emitting chip is located at the lower end of the first square light-emitting chip 11, and the high beam emits light.
  • the chip is located at the upper end of the first square light-emitting chip 11; in this way, the switching of the far and near beam lighting can be realized by controlling the on-off of the high beam light-emitting chip; in this way, a vehicle lamp lighting module for integrating the far and near beams can be easily realized
  • the formation method of the outgoing light shape compared with the conventional integrated module of far and near light using the shading plate, the structure is more concise, the response is more agile, and the design is more vibrant.
  • the light source 1 can be oscillated at the set frequency through a simple structural design, and it is convenient for the control system of the vehicle.
  • the control procedure is simple and convenient, so that the light source 1 can be oscillated according to the set frequency accurately.
  • a method for forming a light shape of a vehicle lamp lighting module includes the following steps:
  • first square light-emitting chip 11 Arrange the first square light-emitting chip 11 in an orientation where an edge or an edge extension line of the first square light-emitting chip 11 intersects with a plane perpendicular to the rotation axis at a set angle, and at the same time arrange the second square light-emitting chip 12 Its upper edge is parallel to the plane perpendicular to the rotation axis, and at least one of the left and right right-angle points of the first square light-emitting chip 11 is arranged on the extension line of the upper edge of the second square light-emitting chip 12 ;
  • the rotating motor 4 is started, and the rotating bracket 2 is driven by the cam 6 to swing relative to the fixed bracket 3 according to the set frequency around the rotating shaft 21.
  • the light emitted by the first square light-emitting chip 11 and the second square light-emitting chip 12 is emitted through the lens 8 to form a near light shape;
  • the switching of far and near light illumination is realized by controlling the on-off of the light-emitting chip at the upper end of the first square light-emitting chip 11;
  • the rotation frequency of the cam 6 is detected by the rotational speed sensor 7 to ensure that the swing frequency of the rotating bracket 2 is greater than the frequency recognizable by the human eye.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

Dispositif d'éclairage de véhicule, en particulier un module de lumière de véhicule, comprenant une source de lumière (1), la source de lumière (1) comprenant au moins une première puce électroluminescente carrée (11) et étant montée sur un support tournant rotatif (2), de sorte que la source de lumière (1) peut être entraînée, conjointement avec le support tournant (2), pour osciller autour d'un axe de rotation à une fréquence définie, l'axe d'un arbre tournant (21) étant l'axe de rotation ; et un angle inclus étant défini entre un bord de la première puce électroluminescente carrée (11) et le plan perpendiculaire à l'arbre tournant. L'invention concerne également un véhicule et un procédé de formation d'un motif lumineux émergent d'un module d'éclairage de véhicule. La conception de structure du module de lumière de véhicule est simplifiée, et un motif lumineux présentant une ligne de coupure est formé au moyen d'un mouvement rapide de la puce électroluminescente (11).
PCT/CN2021/118506 2021-03-01 2021-09-15 Module d'éclairage de véhicule, véhicule et procédé de formation d'un motif lumineux d'un module d'éclairage de lumière de véhicule Ceased WO2022183711A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202110226630.0A CN112902107B (zh) 2021-03-01 2021-03-01 车灯照明模组出射光形的形成方法
CN202110226630.0 2021-03-01
CN202110227499.X 2021-03-01
CN202110227499.XA CN112856323B (zh) 2021-03-01 2021-03-01 车灯模组及车辆

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WO2022183711A1 true WO2022183711A1 (fr) 2022-09-09

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Citations (9)

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Publication number Priority date Publication date Assignee Title
EP2006605A1 (fr) * 2007-06-18 2008-12-24 Valeo Vision Module optique pour dispositif d'éclairage automobile
CN103765086A (zh) * 2011-09-01 2014-04-30 株式会社小糸制作所 车辆用前照灯装置
EP2853805A1 (fr) * 2013-09-30 2015-04-01 Valeo Vision Système d'éclairage et/ou de signalisation lumineuse pour véhicule automobile avec plusieurs modules multifonction rotatifs
CN106152003A (zh) * 2015-03-30 2016-11-23 常州星宇车灯股份有限公司 基于激光光源的远近光一体前照灯及其照明方法
CN110145720A (zh) * 2019-06-14 2019-08-20 华域视觉科技(上海)有限公司 远近光一体的车灯模组
CN110953552A (zh) * 2019-11-20 2020-04-03 广汽蔚来新能源汽车科技有限公司 车辆、车灯及其发光结构
CN112856323A (zh) * 2021-03-01 2021-05-28 华域视觉科技(上海)有限公司 车灯模组及车辆
CN112902107A (zh) * 2021-03-01 2021-06-04 华域视觉科技(上海)有限公司 车灯照明模组出射光形的形成方法
CN214119915U (zh) * 2021-03-01 2021-09-03 华域视觉科技(上海)有限公司 车灯模组及车辆

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2006605A1 (fr) * 2007-06-18 2008-12-24 Valeo Vision Module optique pour dispositif d'éclairage automobile
CN103765086A (zh) * 2011-09-01 2014-04-30 株式会社小糸制作所 车辆用前照灯装置
EP2853805A1 (fr) * 2013-09-30 2015-04-01 Valeo Vision Système d'éclairage et/ou de signalisation lumineuse pour véhicule automobile avec plusieurs modules multifonction rotatifs
CN106152003A (zh) * 2015-03-30 2016-11-23 常州星宇车灯股份有限公司 基于激光光源的远近光一体前照灯及其照明方法
CN110145720A (zh) * 2019-06-14 2019-08-20 华域视觉科技(上海)有限公司 远近光一体的车灯模组
CN110953552A (zh) * 2019-11-20 2020-04-03 广汽蔚来新能源汽车科技有限公司 车辆、车灯及其发光结构
CN112856323A (zh) * 2021-03-01 2021-05-28 华域视觉科技(上海)有限公司 车灯模组及车辆
CN112902107A (zh) * 2021-03-01 2021-06-04 华域视觉科技(上海)有限公司 车灯照明模组出射光形的形成方法
CN214119915U (zh) * 2021-03-01 2021-09-03 华域视觉科技(上海)有限公司 车灯模组及车辆

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