A headlamp light source structure

Abstract

The application provides a headlamp light source structure and belongs to the technical field of automobile lamps, which comprises a connecting sleeve, a hemispherical convex lens, an LED lamp plate and a lens group, the middle part of the connecting sleeve is provided with a containing hole which is arranged through the connecting sleeve from top to bottom, the hemispherical convex lens is inserted into the upper end of the containing hole, the convex surface of the hemispherical convex lens is located outside the connecting sleeve, the LED lamp plate is connected to the lower end of the connecting sleeve, the lens group is arranged on the upper end of the LED lamp plate and located inside the containing hole, and the lens group is used for converging the light emitted by the LED lamp plate on the focal point of the hemispherical convex lens. The headlamp light source structure provided by the application reduces the divergence of light and improves the lighting effect of the lamp.

Description

Technical Field

[0001] This invention belongs to the field of automotive lighting technology, and more specifically, relates to a headlight light source structure. Background Technology

[0002] At night or in low-light conditions, headlights provide illumination for the driver to see the road ahead, enabling the driver to see road conditions, obstacles, traffic signs, etc., and ensuring driving safety. Currently, some car headlights use halogen bulbs as the light source. However, in practical applications, halogen bulbs have relatively low brightness, poor light directionality, and uneven light distribution after passing through the lens, so the lighting effect cannot meet customer requirements. Summary of the Invention

[0003] The purpose of this invention is to provide a headlight light source structure that aims to solve the problem of poor headlight illumination in the prior art.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is: to provide a headlight light source structure, comprising:

[0005] A connecting sleeve, wherein the middle part of the connecting sleeve has a receiving hole that extends vertically through the middle;

[0006] A hemispherical convex lens is inserted into the upper end of the receiving hole, and the convex surface of the hemispherical convex lens is located outside the connecting sleeve;

[0007] LED light panel, connected to the lower end of the connecting sleeve;

[0008] A lens assembly is disposed at the upper end of the LED light panel and located inside the receiving hole. The lens assembly is used to converge the light emitted by the LED light panel to the focal point of the hemispherical convex lens.

[0009] In one possible implementation, a heat sink is connected to the lower end of the connecting sleeve, the LED light board is fixed to the upper end of the heat sink, and a plurality of heat sink fins are connected to the lower end of the heat sink.

[0010] In one possible implementation, the planar end of the hemispherical convex lens is provided with an annular boss, and the connecting sleeve is provided with a limiting component for restricting the vertical movement of the annular boss, the limiting component comprising:

[0011] An annular flange is provided at the upper circumferential end of the receiving hole and protrudes inward;

[0012] Multiple elastic sheets are provided on the circumferential sidewall of the receiving hole, located below the annular flange.

[0013] The hemispherical convex lens is inserted inside the annular flange, and the annular boss is engaged between the annular flange and the elastic sheet.

[0014] In one possible implementation, the annular protrusion is provided with multiple slots, and the inner wall of the receiving hole is provided with a locking block corresponding to the slot. The slot and the locking block are inserted and engaged to restrict the rotation of the hemispherical convex lens.

[0015] In one possible implementation, the sidewall of the receiving hole is provided with a plurality of clearance windows that extend radially through it, and the elastic sheet is disposed in the clearance windows, the elastic sheet deforming toward the inside or outside of the connecting sleeve through the clearance windows.

[0016] In one possible implementation, the elastic sheet has an abutment portion on its sidewall facing the receiving hole, the abutment portion protruding into the receiving hole to abut against the lower end of the annular boss.

[0017] In one possible implementation, the sidewall of the abutment portion facing the receiving hole has an inclined surface that slopes outward from top to bottom, and the annular boss slides along the inclined surface from bottom to top, which can drive the elastic sheet to deform outward from the connecting sleeve.

[0018] In one possible implementation, the locking block includes a first block and a second block. The first block is a strip-shaped block connected between the sidewall of the receiving hole and the annular flange. The second block is an L-shaped block connected between the sidewall of the receiving hole and the annular flange. The long side of the L-shaped block is connected to the inner edge of the annular flange, and the short side of the L-shaped block is connected to the sidewall of the receiving hole. A storage gap is provided between the long side of the L-shaped block and the sidewall of the receiving hole. A plug is inserted into the storage gap, and the plug presses against the long side of the L-shaped block to clamp the annular boss.

[0019] In one possible implementation, an insert plate is provided on the inner wall of the receiving hole, and the plug is an arched piece disposed on the upper end of the insert plate, the middle part of the arched piece protruding into the receiving hole in an arched shape.

[0020] In one possible implementation, the lower end of the insert plate is provided with a plug-in portion, and the connecting sleeve is provided with a plug-in block corresponding to the plug-in portion. The plug-in portion and the plug-in block cooperate to fix the insert plate.

[0021] The beneficial effects of the headlight light source structure provided by the present invention are as follows: Compared with the prior art, the headlight light source structure of the present invention uses a high-brightness LED light panel and sets a lens group on the LED light panel to converge the light emitted by the LED light panel, so that the pipeline is focused on the focal point of the hemispherical convex lens, and then the light is evenly distributed through the refraction of the hemispherical convex lens, thereby reducing the amount of light divergence and improving the lighting effect of the lamp. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a three-dimensional structural diagram of a headlight light source structure provided in an embodiment of the present invention;

[0024] Figure 2 This is a schematic diagram of the main structure of a headlight light source structure provided in an embodiment of the present invention;

[0025] Figure 3 This is a front structural cross-sectional view of a headlight light source structure provided in an embodiment of the present invention;

[0026] Figure 4 A three-dimensional structural diagram of the connecting sleeve provided in an embodiment of the present invention. Figure 1 ;

[0027] Figure 5 A three-dimensional structural diagram of the connecting sleeve provided in an embodiment of the present invention. Figure 2 ;

[0028] Figure 6 This is a bottom view of the connecting sleeve provided in an embodiment of the present invention;

[0029] Figure 7 This is a three-dimensional structural schematic diagram of a hemispherical convex lens provided in an embodiment of the present invention;

[0030] Figure 8 A three-dimensional structural diagram of the insert plate provided in an embodiment of the present invention;

[0031] Figure 9 This is a schematic diagram of the assembly structure of the connecting sleeve and the insert plate provided in an embodiment of the present invention;

[0032] Figure 10 for Figure 1 Enlarged structural diagram at point M.

[0033] Explanation of reference numerals in the attached figures:

[0034] 1. Connecting sleeve; 101. Accommodating hole; 102. Clearance window; 103. Storage gap; 11. Annular flange; 12. Elastic sheet; 121. Abutting part; 1211. Inclined surface; 131. Strip block; 132. L-shaped block; 14. Insertion block; 141. Guide surface; 2. Hemispherical convex lens; 21. Annular boss; 22. Slot; 3. LED light board; 4. Lens group; 5. Heat sink; 51. Heat sink fin; 6. Insert plate; 61. Arched piece; 62. L-shaped plate; 621. Insertion hole; 63. Protruding rib; 64. Clearance groove. Detailed Implementation

[0035] To make the technical problems to be solved, the technical solutions, and the beneficial effects of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0036] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0037] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention.

[0038] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0039] Please see Figures 1 to 3The present invention will now describe a headlight light source structure. The headlight light source structure includes a connecting sleeve 1, a hemispherical convex lens 2, an LED light panel 3, and a lens group 4. The connecting sleeve 1 has a through-hole 101 in its middle. The hemispherical convex lens 2 is inserted into the upper end of the through-hole 101, with its convex surface located outside the connecting sleeve 1. The LED light panel 3 is connected to the lower end of the connecting sleeve 1. The lens group 4 is located on the upper end of the LED light panel 3 and inside the through-hole 101. The lens group 4 is used to converge the light emitted from the LED light panel 3 onto the focal point of the hemispherical convex lens 2.

[0040] The present invention provides a headlight light source structure that, compared with the prior art, uses a high-brightness LED light panel 3 and a lens group 4 is set on the LED light panel 3 to converge the light emitted by the LED light panel 3, so that the light is focused on the focal point of the hemispherical convex lens 2, and then the light is refracted by the hemispherical convex lens 2 to form a uniformly distributed light, thereby reducing the amount of light divergence and improving the lighting effect of the lamp.

[0041] In some embodiments, please refer to Figures 1 to 3 A heat sink 5 is bolted to the lower end of the connecting sleeve 1. The LED light board 3 is fixed to the upper end of the heat sink 5. In order to improve the heat dissipation effect, multiple heat sinks 51 are also connected to the lower end of the heat sink 5.

[0042] In some embodiments, please refer to Figures 1 to 7 The connecting sleeve 1 is a plastic product made of PC material. An annular boss 21 is provided circumferentially on the flat end of the hemispherical convex lens 2. A limiting component is provided on the connecting sleeve 1 to restrict the up and down movement of the annular boss 21. Specifically, the limiting component includes an annular flange 11 and an elastic sheet 12. The annular flange 11 is provided circumferentially on the upper end of the receiving hole 101 and protrudes inward. There are multiple elastic sheets 12, which are provided circumferentially on the inner sidewall of the receiving hole 101 and located below the annular flange 11. The hemispherical convex lens 2 passes through the annular flange 11, and the annular boss 21 is locked between the annular flange 11 and the elastic sheet 12.

[0043] In this embodiment, four clearance windows 102 are provided circumferentially along the side wall of the receiving hole 101, and the four clearance windows 102 are evenly arranged. The aforementioned elastic sheet 12 is disposed in the clearance window 102. The elastic sheet 12 can deform to the inside or outside of the connecting sleeve 1 through the clearance window 102. In this embodiment, the elastic sheet 12 is a plastic sheet structure of the same material as the connecting sleeve 1, and is integrally formed with the connecting sleeve 1.

[0044] In this embodiment, an abutment portion 121 is provided on the sidewall of the elastic sheet 12 facing the receiving hole 101. The abutment portion 121 protrudes into the receiving hole 101. In application, the abutment portion 121 abuts against the lower end of the annular boss 21. To facilitate the assembly of the hemispherical lens 2, an inclined surface 1211 is provided on the sidewall of the abutment portion 121 facing the receiving hole 101, which is inclined from top to bottom and outward. During installation, the hemispherical lens 2 is inserted through the lower end of the receiving hole 101. As the hemispherical convex lens 2 moves upward, the annular boss 21 slides from bottom to top along the inclined plane 1211. The annular boss 21 presses the elastic sheet 12, causing the elastic sheet 12 to shift and deform towards the outside of the connecting sleeve 1 through the clearance window 102. After the annular boss 21 passes the abutment part 121, the elastic sheet 12 shifts towards the inside of the connecting sleeve 1 through the clearance window 102 to restore its deformation and abuts against the lower end of the annular boss 21, restricting the downward movement of the annular boss 21.

[0045] In some embodiments, please refer to Figures 4 to 7 Multiple slots 22 are provided on the annular boss 21 of the hemispherical convex lens 2. A locking block is provided on the inner side wall of the receiving hole 101 corresponding to the slots 22. In application, the slots 22 and the locking blocks are inserted and cooperated to restrict the rotation of the hemispherical convex lens 2.

[0046] In some embodiments, please refer to Figures 4 to 7 The aforementioned card block includes two first blocks and two second blocks. The first block is a strip block 131 connected between the side wall of the receiving hole 101 and the annular flange 11. The second block is an L-shaped block 132 connected between the side wall of the receiving hole 101 and the annular flange 11. In this embodiment, the long side end of the L-shaped block 132 is connected to the inner edge of the annular flange 11, and the short side end of the L-shaped block 132 is connected to the side wall of the receiving hole 101. There is a storage gap 103 between the long side end of the L-shaped block 132 and the side wall of the receiving hole 101. A plug is inserted into the storage gap 103. The plug presses against the long side end of the L-shaped block 132 so that the long side end of the L-shaped block 132 clamps the annular boss 21, preventing the hemispherical convex lens 2 from becoming loose when connected to the connecting sleeve 1.

[0047] In some embodiments, please refer to Figures 8 to 10An insert plate 6 is provided on the inner side wall of the receiving hole 101. The spatula is an arc-shaped plate that fits against the inner wall of the receiving hole 101. In application, the insert plate 6 and the connecting sleeve 1 are made of the same material. The plug is an arched piece 61 set on the upper end of the insert plate 6. In this embodiment, the middle part of the arched piece 61 protrudes into the receiving hole 101 in an arched shape. When in use, the insert plate 6 is inserted into the side wall of the receiving hole 101, and the arched piece 61 at the upper end of the insert plate 6 is inserted into the above-mentioned storage gap 103. The height of the arched piece 61 protruding in the middle is slightly greater than the size of the storage gap 103. Thus, after the arched piece 61 is inserted into the storage gap 103, the long side end of the L-shaped block 132 can be squeezed to clamp the annular boss 21. In this embodiment, in order to improve the structural strength of the insert plate 6, some protrusions 63 are provided in the middle of the insert plate 6. In addition, a clearance groove 64 for the clearance elastic piece 12 is provided at the upper end of the shovel plate.

[0048] In some embodiments, please refer to Figures 8 to 10 A plug-in portion is provided at the lower end of the insert plate 6, and a plug-in block 14 is provided on the connecting sleeve 1 corresponding to the plug-in portion. The plug-in portion cooperates with the plug-in block 14 to fix the insert plate 6. Specifically, the plug-in portion is an L-shaped plate 62 connected to the outer side of the lower edge of the insert plate 6. The middle part of the L-shaped plate 62 is provided with a plug hole 621. The plug-in block 14 is provided on the bottom of the outer side wall of the connecting sleeve 1. The outer end of the plug-in block 14 is provided with a guide surface 141 that slopes outward from bottom to top. In application, the side wall of the connecting sleeve 1 is inserted between the L-shaped plate 62 and the insert plate 6, and the plug-in block 14 is inserted into the plug hole 621. The plug-in block 14 protrudes outward from the L-shaped plate 62. The plug-in block 14 fixes the insert plate 6 on the connecting sleeve 1 by restricting the downward movement of the L-shaped plate 62.

[0049] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A headlight light source structure, characterized in that, include: Connecting sleeve (1), the middle part of which has a receiving hole (101) that runs through from top to bottom; A hemispherical convex lens (2) is inserted into the upper end of the receiving hole (101), and the convex surface of the hemispherical convex lens (2) is located outside the connecting sleeve (1); LED light board (3) is connected to the lower end of the connecting sleeve (1); The lens group (4) is located at the upper end of the LED light panel (3) and inside the receiving hole (101). The lens group (4) is used to converge the light emitted by the LED light panel (3) to the focal point of the hemispherical convex lens (2). The hemispherical convex lens (2) has an annular boss (21) circumferentially arranged at its planar end. The connecting sleeve (1) is provided with a limiting component for restricting the up-and-down movement of the annular boss (21). The limiting component includes: An annular flange (11) is provided circumferentially at the upper end of the receiving hole (101) and protrudes inward; Multiple elastic sheets (12) are provided on the circumferential sidewall of the receiving hole (101) and located below the annular flange (11). The hemispherical convex lens (2) is inserted inside the annular flange (11), and the annular boss (21) is engaged between the annular flange (11) and the elastic sheet (12); The annular boss (21) is provided with multiple slots (22), and the inner wall of the receiving hole (101) is provided with a block corresponding to the slot (22). The slot (22) and the block are inserted and fitted together to restrict the rotation of the hemispherical lens (2). The card block includes a first block and a second block. The first block is a strip block (131) connected between the side wall of the receiving hole (101) and the annular flange (11). The second block is an L-shaped block (132) connected between the side wall of the receiving hole (101) and the annular flange (11). The long side end of the L-shaped block (132) is connected to the inner edge of the annular flange (11), and the short side end of the L-shaped block (132) is connected to the side wall of the receiving hole (101). There is a storage gap (103) between the long side end of the L-shaped block (132) and the side wall of the receiving hole (101). A plug is inserted in the storage gap (103). The plug presses against the long side end of the L-shaped block (132) so that the long side end of the L-shaped block (132) clamps the annular boss (21). The inner wall of the receiving hole (101) is provided with a plate (6), and the plug is an arched piece (61) set on the upper end of the plate (6). The middle part of the arched piece (61) protrudes into the receiving hole (101) in an arched shape.

2. The headlight light source structure as described in claim 1, characterized in that, The lower end of the connecting sleeve (1) is connected to a heat sink (5), the LED light board (3) is fixed to the upper end of the heat sink (5), and the lower end of the heat sink (5) is connected to multiple heat sinks (51).

3. The headlight light source structure as described in claim 1, characterized in that, The sidewall of the receiving hole (101) is provided with a plurality of clearance windows (102) that penetrate radially therethrough. The elastic sheet (12) is disposed in the clearance window (102) and the elastic sheet (12) deforms to the inside or outside of the connecting sleeve (1) through the clearance window (102).

4. The headlight light source structure as described in claim 3, characterized in that, The elastic sheet (12) has an abutment portion (121) on the side wall facing the receiving hole (101). The abutment portion (121) protrudes into the receiving hole (101) and is used to abut against the lower end of the annular boss (21).

5. A headlight light source structure as described in claim 4, characterized in that, The abutment part (121) has an inclined surface (1211) on the side wall facing the receiving hole (101) that is inclined from top to bottom and outward. The annular boss (21) slides from bottom to top along the inclined surface (1211) and can drive the elastic sheet (12) to deform to the outside of the connecting sleeve (1).

6. The headlight light source structure as described in claim 1, characterized in that, The lower end of the insert plate (6) is provided with a plug-in part, and the connecting sleeve (1) is provided with a plug-in block (14) corresponding to the plug-in part. The plug-in part and the plug-in block (14) cooperate to fix the insert plate (6).

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