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CN-224229795-U - HD module capable of realizing far-near field projection adjustment

CN224229795UCN 224229795 UCN224229795 UCN 224229795UCN-224229795-U

Abstract

The utility model provides an HD module capable of realizing far-near field projection adjustment, which comprises a lens, a dimming bracket, a lens bracket, a driving component and a light source sub-assembly, wherein one end of the dimming bracket is connected with the lens through threads, the other end of the dimming bracket is connected with the lens bracket through threads, one side of a light emitting surface of the light source sub-assembly is connected with the lens bracket, the driving component is arranged on the side edge of the lens bracket, the light source sub-assembly comprises a radiator and a lamp panel, one side of the radiator is connected with the lamp panel, a light source is arranged on the lamp panel, at least two guide structures are symmetrically arranged on the radiator, a sliding groove matched with the guide structures is arranged on the lens bracket, the driving component comprises a motor and a transmission mechanism, and the transmission mechanism is connected with the radiator and is used for driving the radiator to move up and down along the sliding groove so as to change the relative position of the light source and the lens, and the far-near field projection adjustment is realized.

Inventors

  • Hu Qiujie
  • YANG BOWEN
  • GAO YAGUI
  • XU JIAYE

Assignees

  • 苏州申博电子科技有限公司

Dates

Publication Date
20260512
Application Date
20250606

Claims (10)

  1. 1. The HD module capable of realizing far-near field projection adjustment comprises a lens (1), a dimming support (2), a lens support (3), a driving component (5) and a light source sub-assembly (6), wherein one end of the dimming support (2) is connected with the lens (1) through threads, the other end of the dimming support is connected with the lens support (3) through threads, one side of a light emitting surface of the light source sub-assembly (6) is connected with the lens support (3), the driving component (5) is arranged on the side of the lens support (3), the HD module is characterized in that the light source sub-assembly (6) comprises a radiator (61) and a lamp plate (62), one side of the radiator (61) is connected with the lamp plate (62), a light source (621) is arranged on the lamp plate (62), at least two guide structures (611) are symmetrically arranged on the radiator (61), a sliding groove (31) matched with the guide structures (611) is formed in the lens support (3), the driving component (5) comprises a motor (51) and a transmission mechanism (52), and the transmission mechanism (52) is connected with the radiator (61) for driving the radiator (61) to move up and down along the radiator (31) to realize relative position adjustment of the light source (621) to the projection field.
  2. 2. The HD module capable of realizing far and near field projection adjustment according to claim 1, wherein the transmission mechanism (52) is a gear transmission assembly, the gear transmission assembly comprises a gear (521) and a rack structure (522), the gear (521) is arranged at the output end of the motor (51), the rack structure (522) is fixed on the radiator (61), and the gear (521) is meshed with the rack structure (522).
  3. 3. The HD module for implementing high and low field projection adjustment according to claim 2, wherein the gear (521) rotates clockwise to drive the radiator (61) to move downward, the light source (621) moves downward, the projection imaging position moves upward, and the gear (521) rotates counterclockwise to drive the radiator (61) to move upward, the light source (621) moves upward, and the projection imaging position moves downward.
  4. 4. The HD module capable of realizing far-near field projection adjustment according to claim 1, wherein the guide structure (611) and the chute (31) are at least four groups symmetrically arranged, and the length of the chute (31) is longer than the moving travel of the guide structure (611), so that the connection is stable and is not easy to shake during up-down adjustment.
  5. 5. The HD module capable of realizing far and near field projection adjustment according to claim 1, wherein the up and down movement range of the light source (621) is-8 mm to +8mm, and the movement range is controlled by the length of the chute (31) or the stroke of the motor (51).
  6. 6. The HD module capable of realizing far-near field projection adjustment according to claim 1, wherein the light source is moved up by 8mm, the imaging is moved down by 14.7 degrees, the light source is moved down by 8mm, the imaging is moved up by 14.3 degrees, and the projection requirement from the near field to the far field of the car lamp is met.
  7. 7. The HD module capable of realizing far and near field projection adjustment according to claim 1, wherein a locking member (612) is arranged between the guide structure (611) and the chute (31), and the locking member (612) is in threaded connection with the guide structure (611) for preventing the radiator (61) from being separated from the chute (31), preventing locking and allowing fine adjustment.
  8. 8. The HD module capable of realizing far and near field projection adjustment according to claim 1, wherein the lens bracket (3) is provided with a control board (4), the control board (4) is electrically connected with the driving component (5), and the up and down movement of the light source subassembly (6) relative to the lens (1) is realized by controlling the forward and backward rotation and the movement precision of the driving component (5).
  9. 9. The HD module capable of realizing far and near field projection adjustment according to claim 1, wherein the light source subassembly (6) further comprises a fan (63) and a fan bracket (64), the fan bracket (64) is arranged on one side of the radiator (61) far from the lamp panel (62), and the fan (63) is connected with the bottom of the fan bracket (64).
  10. 10. The HD module capable of realizing far and near field projection adjustment according to claim 1, wherein the adjustment precision of the driving assembly (5) is 0.5mm level, and fine adjustment of the projection imaging position is realized through closed loop feedback control.

Description

HD module capable of realizing far-near field projection adjustment Technical Field The utility model relates to the technical field of car lamp modules, in particular to an HD module capable of realizing projection adjustment of far and near fields. Background Along with the intelligent promotion of car, the car light not only is limited to simple illumination and signal function, and the host computer factory gradually improves the pixel demand and the interactive function of car light, and the car light upgrades towards pixel formula headlight direction gradually, and the module that possesses projection interactive function also gradually is used by more and more middle-high-end motorcycle types. The relative positions of the lens and the chip in the prior art are unchanged, so that the projection angle is fixed, the use scene is single, the requirements of customers cannot be met, the lens and the chip are limited, the large projection angle is difficult to achieve, and the projection of the front of the automobile is difficult to meet in order to ensure the high beam effect. Disclosure of utility model In view of the above, in order to solve the above-mentioned problems, the present utility model provides an HD module capable of implementing the projection adjustment of the far and near fields, wherein the driving assembly 5 drives the light source subassembly 6 to move up and down, so as to change the relative position of the light source 621 and the lens 1, thereby adjusting the distribution of the far and near fields of the projection imaging, the light source subassembly 6 cooperates with the chute 31 of the lens bracket 3 through the guiding structure 611 on the heat sink 61 to ensure the moving guiding performance, and the driving mechanism 52 can adopt the driving form of gears 521, screw rods or sliding rails, etc., and implements the projection adjustment of the far and near fields in combination with the control board 4. The HD module capable of realizing far-near field projection adjustment comprises a lens 1, a dimming support 2, a lens support 3, a driving component 5 and a light source sub-assembly 6, wherein one end of the dimming support 2 is connected with the lens 1 through threads, the other end of the dimming support is connected with the lens support 3 through threads, one side of a light emitting surface of the light source sub-assembly 6 is connected with the lens support 3, and the driving component 5 is arranged on the side edge of the lens support 3. Further, the transmission mechanism 52 is a gear 521 transmission assembly, the gear 521 transmission assembly includes a gear 521 and a rack structure 522, the gear 521 is provided at an output end of the motor 51, the rack structure 522 is fixed on the radiator 61, and the gear 521 is meshed with the rack structure 522. In some embodiments, the rack structure 522 is integrally formed with the heat sink 61. Further, the gear 521 rotates clockwise to drive the radiator 61 to move downward, the light source 621 moves downward, the projection imaging position moves upward, and the gear 521 rotates counterclockwise to drive the radiator 61 to move upward, the light source 621 moves upward, and the projection imaging position moves downward. In some embodiments, the guiding structure 611 is a columnar protrusion, the chute 31 is a linear or arc chute, and the driving mechanism 52 is a screw or a sliding rail, and the heat sink 61 is driven to move up and down by the linear motion. Further, the guiding structure 611 and the sliding groove 31 are at least four groups symmetrically arranged, and the length of the sliding groove 31 is longer than the moving stroke of the guiding structure 611, so that the connection is stable and is not easy to shake during up-down adjustment. Further, the up-and-down movement range of the light source 621 is-8 mm to +8mm, and the movement range is controlled by the length of the chute 31 or the stroke of the motor 51. Further, the light source moves upwards by 8mm, the imaging moves downwards by 14.7 degrees, the light source moves downwards by 8mm, the imaging moves upwards by 14.3 degrees, and the projection requirement of the near field to the far field of the car lamp is met. Further, a locking member 612 is disposed between the guiding structure 611 and the chute 31, and the locking member 612 is screwed with the guiding structure 611, so as to prevent the heat sink 61 from being separated from the chute 31, prevent locking, and allow fine adjustment. Further, a control board 4 is disposed on the lens holder 3, the control board 4 is electrically connected with the driving component 5, and the light source subassembly 6 is moved up and down relative to the lens 1 by controlling the forward and reverse rotation and the movement precision of the driving component 5. Further, the light source sub-assembly 6 further includes a fan 63 and a fan bracket 64, the fan bracket 64 is disposed on a side of the