DLP module and DLP projection headlamp
By combining a four-lens composite focusing structure and three heat dissipation components, the problem of untimely heat dissipation in DLP modules is solved, achieving efficient heat dissipation and personalized projection, and improving the safety of DLP modules and driving safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI JINHELONG TECHNOLOGY CO LTD
- Filing Date
- 2025-08-01
- Publication Date
- 2026-06-26
AI Technical Summary
Existing DLP modules generate a lot of heat during operation. If heat dissipation is not timely, the circuit will burn out, affecting normal operation.
The lens assembly employs a four-lens compound focusing structure and a heat dissipation assembly with three heat dissipation components, combined with a four-point anti-vibration mounting structure and a cooling fan to achieve efficient heat dissipation; the distance between the lens assembly and the control board can be adjusted and personalized projection settings can be achieved through a dimming screw.
It achieves efficient heat dissipation, improves the heat dissipation effect of the DLP module, ensures circuit safety, and allows for customized projection adjustment, increasing interactivity and driving safety.
Smart Images
Figure CN224414977U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of DLP projection headlight technology, specifically relating to a DLP module and a DLP projection headlight. Background Technology
[0002] Existing DLP modules generate a lot of heat during operation. If heat dissipation is not timely, the circuit will burn out and affect normal operation. Therefore, it is very important to obtain a DLP module and DLP projection lamp that overcome the above defects. Utility Model Content
[0003] To solve at least one of the above-mentioned technical problems, this utility model provides a DLP module, comprising:
[0004] Control panel;
[0005] A heat dissipation assembly, including at least two heat dissipation components, is mounted on the back of the control board;
[0006] The lens assembly is mounted on the front of the control board and is connected to the control board via an adjustment structure to make the distance between the lens assembly and the control board adjustable.
[0007] The adjustment structure includes: a sliding groove formed in the lens base and a mounting hole formed in the lens bracket. A fastener passes through the mounting hole and moves within the sliding groove, and the fastener is locked and limited in place. The sliding groove is partially spiral-shaped to allow the lens assembly to rotate and adjust the distance between the lens assembly and the control plate.
[0008] The lens assembly includes a lens base, a lens bracket, and a plurality of lenses mounted on the lens bracket. The lenses include a first lens, a second lens, a third lens, and a fourth lens arranged sequentially from the outside in. The outer surface of the first lens is a convex arc surface, and the inner surface is a concave arc surface; the outer surface of the second lens is a convex arc surface, and the inner surface is a flat surface; the outer surface of the third lens is a flat surface, and the inner surface is a convex arc surface; both sides of the fourth lens are convex arc surfaces. The assembly also includes a mounting bracket with a through slot. The control board and the lens base are mounted in the through slot with a gap between them. The DLP module also includes a reflector mounted between the front of the lens assembly and the control board, at the gap.
[0009] Through the above technical solution, the lens assembly is used for focusing the light. It adopts a four-lens group composite focusing structure and optimizes the optical path through a multi-level lens system to achieve light focusing and aberration correction, thus ensuring excellent projection effect.
[0010] The control board can use existing DMD digital micromirror chips to achieve high-precision control of light, richer lighting zones, precise selective shading of multiple targets, effectively eliminate glare interference and intelligently adapt to complex road environment lighting, significantly improve driving safety, and achieve high-precision projection.
[0011] The heat dissipation assembly includes a first heat dissipation fin, a heat dissipation fan, and a second heat dissipation fin; the back of the control board is fixedly connected to the first heat dissipation fin, a through hole is opened on the control board, the drive motherboard of the control board is installed at the front of the control board, and the drive motherboard passes through the through hole and is fixedly connected to the first heat dissipation fin; a notch is opened at the top of the mounting bracket, and a second heat dissipation bracket is fixed at the notch, and the second heat dissipation bracket is fixedly connected to the second heat dissipation fin through a connecting pipe.
[0012] Through the above technical solution, this utility model adopts three heat dissipation components and is equipped with a four-point anti-vibration installation structure, with gaps between them and the heat dissipation fan, which can achieve the best heat dissipation effect.
[0013] A DLP projection lamp includes the aforementioned DLP module, wherein the heat dissipation fan of the heat dissipation component is fixedly connected to the housing via a fan bracket, and at least one heat dissipation component of the heat dissipation component is located outside the housing.
[0014] The cooling fan and the first cooling fins of the cooling component are installed through a four-point anti-vibration mounting structure formed by four mounting holes; and / or, the fan bracket is installed with the housing through a four-point anti-vibration mounting structure formed by four mounting holes, and the cooling fan and the second cooling fins are installed on the outside of the housing; a DLP driver is installed on the housing, the DLP driver is electrically connected to the control board, the DLP driver is installed at the bottom of the housing, at least one DPL module is installed inside the housing, a decorative frame is snapped to the front of the housing, a lampshade is snapped to the decorative frame, and a module decorative frame is also included, with an opening for the lens to pass through;
[0015] Through the above technical solution, the decorative frame is used to cover the internal structure, the DLP driver is used to stabilize the voltage and current of the control board inside the DLP module, and the lamp housing is used to install the DLP module.
[0016] It also includes an adjustment bracket, the module decorative frame is fixedly connected to the adjustment bracket, the adjustment bracket is connected to the housing through at least one dimming screw, and the adjustment bracket is fixedly connected to the mounting bracket and / or the second heat dissipation bracket; a vent cover is installed on the housing.
[0017] The dimming screw includes a first connector that is snapped onto the adjustment bracket, a spherical groove on the first connector, a pull rod, a ball at the end of the pull rod that mates with the spherical groove, a threaded groove on the pull rod, and a screw. The screw is rotatably connected to the housing, and a mating thread on the screw that mates with the threaded groove, so that the distance between the pull rod and the housing can be adjusted when the screw rotates to achieve fine-tuning of the DLP module.
[0018] The projection can be customized by adjusting the dimming screw, allowing for personalization and increased interactivity.
[0019] Compared with the prior art, the advantages of this utility model are: the utility model has a simple structure, strong heat dissipation effect, and can be adjusted by a dimming screw to achieve personalized settings. Attached Figure Description
[0020] Figure 1 This is a side cross-sectional perspective view of the DLP module of this utility model;
[0021] Figure 2 This is a perspective view of the DLP module of this utility model;
[0022] Figure 3 This is an exploded view of the DLP module of this utility model;
[0023] Figure 4 A top view of a utility model DLP projection headlight;
[0024] Figure 5 A three-dimensional view of a utility model DLP projection headlight;
[0025] Figure 6 This is an exploded view of the DLP projection headlight of this utility model;
[0026] Figure 7 This is an exploded view of the screw section;
[0027] Figure 8 A 3D model to conceal the lampshade and decorative frame;
[0028] Figure label:
[0029] 1 control board; 11 driver motherboard;
[0030] 2. Heat dissipation assembly; 21. First heat dissipation fins; 22. Heat dissipation fan; 23. Second heat dissipation fins; 24. Perforation; 25. Gap; 26. Second heat dissipation bracket; 27. Fan bracket;
[0031] 3. Lens assembly; 31. Lens base; 32. Lens bracket; 33. First lens element; 34. Second lens element; 35. Third lens element; 36. Fourth lens element; 37. Mounting bracket; 38. Through slot; 39. Reflector; 40. Notch;
[0032] 4. Adjustment structure; 41. Slide groove; 42. Mounting hole;
[0033] 5DLP module;
[0034] 6. Housing; 61. Four-point anti-vibration mounting structure; 62. DLP driver; 63. Decorative frame; 64. Lampshade; 65. Module decorative frame; 66. Opening; 67. Adjustment bracket; 68. Dimming screw; 69. Vent cover; 70. First connector; 71. Spherical groove; 72. Pull rod; 73. Sphere; 74. Screw. Detailed Implementation
[0035] To enable those skilled in the art to better understand this utility model and to more clearly define the scope of protection claimed by this utility model, the present utility model is described in detail below with reference to certain specific embodiments. It should be noted that the following are only some specific embodiments of the present utility model concept, and are only a part of the embodiments of this utility model. The specific and direct description of related structures is only for the convenience of understanding this utility model, and the specific features do not necessarily or directly limit the scope of implementation of this utility model.
[0036] Referring to the accompanying drawings, this utility model adopts the following technical solution: this utility model provides a DLP module, comprising:
[0037] Control board 1;
[0038] Heat dissipation assembly 2 includes at least two heat dissipation components and is mounted on the back of the control board 1;
[0039] The lens assembly 3 is installed at the front of the control board 1 and is connected to the control board 1 through the adjustment structure 4 to make the distance between the lens assembly 3 and the control board 1 adjustable.
[0040] The adjustment structure 4 includes: a slide groove 41 formed in the lens base 31 and a mounting hole 42 formed in the lens bracket 32. A fastener passes through the mounting hole 42 and moves within the slide groove 41. The fastener is locked and then limited in place. The slide groove 41 is partially spiral-shaped to allow the lens assembly 3 to rotate and adjust the distance between the lens assembly 3 and the control plate 1.
[0041] The lens assembly 3 includes a lens base 31, a lens bracket 32, and a plurality of lenses mounted on the lens bracket 32. The lenses include a first lens 33, a second lens 34, a third lens 35, and a fourth lens 36 arranged sequentially from the outside to the inside. The outer side of the first lens 33 is a convex arc surface, and the inner side is a concave arc surface; the outer side of the second lens 34 is a convex arc surface, and the inner side is a flat surface; the outer side of the third lens 35 is a flat surface, and the inner side is a convex arc surface; both sides of the fourth lens 36 are convex arc surfaces. It also includes a mounting bracket 37, which has a through groove 38. The control board 1 and the lens base 31 are mounted in the through groove 38 with a gap between them. The DLP module 5 also includes a reflector 39, which is mounted between the front of the lens assembly 3 and the control board 1, and the reflector 39 is mounted at the gap.
[0042] Through the above technical solution, the lens assembly 3 is used for focusing the light. It adopts a four-lens group composite focusing structure and optimizes the optical path through a multi-level lens system to achieve light focusing and aberration correction, thus ensuring excellent projection effect.
[0043] Among them, the control board 1 can use the existing DMD digital micromirror chip to achieve high-precision control of light, richer lighting zones, precise selective occlusion of multiple targets, effectively eliminate glare interference and intelligently adapt to complex road environment lighting, significantly improve driving safety, and achieve high-precision projection.
[0044] The heat dissipation assembly 2 includes a first heat dissipation fin 21, a heat dissipation fan 22, and a second heat dissipation fin 23; the back of the control board 1 is fixedly connected to the first heat dissipation fin 21, and a through hole 24 is opened on the control board 1. The drive main board 11 of the control board 1 is installed at the front of the control board 1, and the drive main board 11 passes through the through hole 24 and is fixedly connected to the first heat dissipation fin 21; the top of the mounting bracket 37 has a notch 40, and a second heat dissipation bracket 26 is fixed at the notch 40. The second heat dissipation bracket 26 is fixedly connected to the second heat dissipation fin 23 through a connecting pipe.
[0045] Through the above technical solution, this utility model adopts three heat dissipation components and is equipped with a four-point anti-vibration mounting structure 61, with a gap 25 between them and the heat dissipation fan 22, which can achieve the best heat dissipation effect.
[0046] A DLP projection lamp includes the aforementioned DLP module 5. The heat dissipation fan 22 of the heat dissipation component 2 is fixedly connected to the housing 6 via a fan bracket 27. At least one heat dissipation component of the heat dissipation component 2 is located outside the housing 6.
[0047] The cooling fan 22 and the first cooling fin 21 of the cooling component 2 are installed through four mounting holes 24 to form a four-point anti-vibration mounting structure 61; and / or, the fan bracket 27 is installed with the housing 6 through four mounting holes 24 to form a four-point anti-vibration mounting structure 61, and the cooling fan 22 and the second cooling fin 23 are installed on the outside of the housing 6; a DLP driver 62 is installed on the housing 6, the DLP driver 62 is electrically connected to the control board 1, the DLP driver 62 is installed at the bottom of the housing 6, at least one DPL module is installed inside the housing 6, the front of the housing 6 is snap-fit connected to a decorative frame 63, the decorative frame 63 is snap-fit connected to a lampshade 64, and also includes a module decorative frame 65, the module decorative frame 65 is provided with an opening 66 for lens transmission;
[0048] Through the above technical solution, the decorative frame 63 is used to cover the internal structure, the DLP driver is used to stabilize the voltage and current of the control board 1 inside the DLP module 5, and the lamp housing is used to install the DLP module 5.
[0049] It also includes an adjustment bracket 67, the module decorative frame 65 is fixedly connected to the adjustment bracket 67, the adjustment bracket 67 is connected to the housing 6 via at least one dimming screw 68, the adjustment bracket 67 is fixedly connected to the mounting bracket 37 and / or the second heat dissipation bracket 26; a vent cover 69 is installed on the housing 6.
[0050] The dimming screw 68 includes a first connector 70 that is snapped onto the adjustment bracket 67, a spherical groove 71 on the first connector 70, a pull rod 72, a ball 73 at the end of the pull rod 72 that mates with the spherical groove 71, a threaded groove on the pull rod 72, and a screw 74. The screw 74 is rotatably connected to the outer shell 6, and a mating thread on the screw 74 that mates with the threaded groove, so that the distance between the pull rod 72 and the outer shell 6 can be adjusted when the screw 74 rotates, thereby achieving fine adjustment of the DLP module 5.
[0051] The projection can be customized by adjusting the dimming screw 68, allowing for personalization and increased interactivity.
[0052] Compared with the prior art, the advantages of this utility model are: the utility model has a simple structure, strong heat dissipation effect, and can be adjusted by the dimming screw 68 to achieve personalized settings.
[0053] The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of this utility model.
Claims
1. A DLP module, characterized in that: include: Control panel (1); The heat dissipation assembly (2) includes at least two heat dissipation components and is mounted on the back of the control board (1); The lens assembly (3) is installed at the front of the control board (1) and is connected to the control board (1) through the adjustment structure (4) to realize the adjustable distance between the lens assembly (3) and the control board (1).
2. The DLP module according to claim 1, characterized in that: The adjustment structure (4) includes: a slide groove (41) opened on the lens base (31) and a mounting hole (42) opened on the lens bracket (32). The fastener passes through the mounting hole (42) and moves in the slide groove (41). The fastener is locked and then limited.
3. The DLP module according to claim 2, characterized in that: The slide (41) is partially spiral-shaped to allow the lens assembly (3) to rotate and adjust the distance between the lens assembly (3) and the control plate (1).
4. The DLP module according to claim 1, characterized in that: The lens assembly (3) includes a lens base (31), a lens bracket (32), and a plurality of lenses mounted on the lens bracket (32). The lenses include a first lens (33), a second lens (34), a third lens (35), and a fourth lens (36) arranged sequentially from the outside to the inside.
5. The DLP module according to claim 4, characterized in that: The outer surface of the first lens (33) is a convex arc surface, and the inner surface is a concave arc surface; And / or, the outer surface of the second lens (34) is a convex arc surface, and the inner surface is a flat surface; And / or, the outer surface of the third lens (35) is a flat surface, and the inner surface is a convex arc surface; And / or, both sides of the fourth lens (36) are convex arc surfaces.
6. The DLP module according to claim 4, characterized in that: It also includes a mounting bracket (37), in which a through groove (38) is formed, and the control board (1) and the lens base (31) are mounted in the through groove (38) with a gap between them; The DLP module (5) also includes a reflector (39) which is mounted between the front of the lens assembly (3) and the control board (1), and the reflector (39) is mounted at the gap.
7. The DLP module according to claim 6, characterized in that: The heat dissipation assembly (2) includes a first heat dissipation fin (21), a heat dissipation fan (22), and a second heat dissipation fin (23). The back of the control board (1) is fixedly connected to the first heat dissipation fin (21), and a through hole (24) is opened on the control board (1). The drive main board (11) of the control board (1) is installed at the front of the control board (1), and the drive main board (11) passes through the through hole (24) and is fixedly connected to the first heat dissipation fin (21). The mounting bracket (37) has a notch (40) at the top, and a second heat dissipation bracket (26) is fixed at the notch (40). The second heat dissipation bracket (26) is fixedly connected to the second heat dissipation fins (23) through a connecting pipe.
8. A DLP projection lamp, characterized in that: The DLP module includes any one of claims 1-7 above, wherein the heat dissipation fan (22) of the heat dissipation component (2) is fixedly connected to the housing (6) via a fan bracket (27), and at least one heat dissipation component of the heat dissipation component (2) is located outside the housing (6).
9. The DLP projection lamp according to claim 8, characterized in that: The cooling fan (22) and the first heat dissipation fin (21) of the heat dissipation assembly (2) are installed by forming a four-point anti-vibration mounting structure (61) through four mounting holes (24); and / or, the fan bracket (27) is installed with the outer shell (6) by forming a four-point anti-vibration mounting structure (61) through four mounting holes (24), and the cooling fan (22) and the second heat dissipation fin (23) are installed on the outside of the outer shell (6); And / or, a DLP driver (62) is installed on the housing (6), the DLP driver (62) is electrically connected to the control board (1), the DLP driver (62) is installed at the bottom of the housing (6), at least one DPL module is installed inside the housing (6), the front part of the housing (6) is snapped to a decorative frame (63), the decorative frame (63) is snapped to a lampshade (64), and also includes a module decorative frame (65), the module decorative frame (65) is provided with an opening (66) for lens transmission; And / or, also includes an adjustment bracket (67), the module decorative frame (65) is fixedly connected to the adjustment bracket (67), the adjustment bracket (67) is connected to the housing (6) via at least one dimming screw (68), and the adjustment bracket (67) is fixedly connected to the mounting bracket (37) and / or the second heat dissipation bracket (26); And / or a vent cover (69) is installed on the outer casing (6).
10. The DLP projection lamp according to claim 9, characterized in that: The dimming screw (68) includes a first connector (70) that is snapped onto the adjustment bracket (67), a spherical groove (71) on the first connector (70), a pull rod (72), a ball (73) at the end of the pull rod (72) that mates with the spherical groove (71), a threaded groove on the pull rod (72), and a screw (74). The screw (74) is rotatably connected to the outer shell (6), and a mating thread on the screw (74) that mates with the threaded groove, so that the distance between the pull rod (72) and the outer shell (6) can be adjusted when the screw (74) rotates to achieve fine adjustment of the DLP module (5).