Light source plate fixing structure and automobile lamp body
By designing the fixing components of the light source plate and optimizing the heat dissipation structure, the problem of difficulty in disassembly and insufficient heat dissipation of the light source plate is solved, and convenient maintenance and effective heat dissipation are achieved.
Patent Information
- Application Number
- CN202421664795.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-15
AI Technical Summary
The existing light source plate fixing structure and car lamp body are difficult to remove during disassembly and maintenance. The deformation of the barbs leads to the loss of installation and fixation effect. At the same time, the lack of a thermal insulation structure causes heat to dissipate, which may cause the problem of fogging the car lamp.
A structure including a fixing assembly of the vehicle light source plate is designed, which realizes the fixing of the light source plate by installing a card slot and a limiting card block, and improves the heat dissipation effect by sealing the combination of a heat conducting sheet, a thermal column and a thermal insulation layer.
It realizes convenient disassembly and assembly and maintenance of light source boards, avoids the problem of barbing deformation, and optimizes the heat dissipation structure, reduces heat accumulation and avoids the risk of fogging in the headlights.
Smart Images
Figure CN222864737U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile lamps, in particular to a light source plate fixing structure and an automobile lamp body. Background Art
[0002] Headlights are a tool for illuminating the road at night, and are also a tool for issuing various vehicle driving signals.
[0003] In Chinese Patent 202322314541.9, the utility model belongs to the technical field of automobile lamp circuit board installation, and specifically relates to a flexible LED circuit board fixing structure for automobile lamps, including a flexible circuit board assembly and a fixing mechanism for fixing the flexible circuit board assembly, the flexible circuit board assembly includes a flexible circuit board and a plurality of aluminum gaskets located on the flexible circuit board, the flexible circuit board is in a stepped shape, each step of the flexible circuit board is provided with two holes, the aluminum gasket is provided with an aluminum gasket hole corresponding to the flexible circuit board, the aluminum gasket hole is provided with a plurality of barbs, the fixing mechanism includes a plastic part and a metal pressure rod for pressing the aluminum gasket, the hole on the flexible circuit board and the aluminum gasket hole are aligned and sleeved together on the plastic part, and when the metal pressure rod presses the aluminum gasket, the barb on the aluminum gasket is deformed and penetrates into the plastic part. The utility model has a simple structure, improves the production line efficiency, reduces the cost, the role of the metal pressure rod is extensive, and the barbs used make the locking force of the assembly good.
[0004] The existing light source board fixing structure and automobile lamp body fix the light source circuit board inside the car lamp by pressing barbs into plastic parts. Although the fixing effect can be achieved, it is difficult to remove the light source board when it is damaged and needs to be disassembled for repair. Or when brute force is used to disassemble it, the barbs will be deformed, and when it needs to be reinstalled after the repair, the installation and fixing effect is lost. In addition, when the existing car lamps use metal heat sinks for heat dissipation, they lack insulation structure. When the heat conducting column leads the heat to a place not far from the car lamp, the heat will be dissipated due to the temperature difference. The dissipated heat will still accumulate near the car lamp. Long-term accumulation may cause excessive heat and cause the car lamp to fog.
[0005] Therefore, in order to solve the above problems, a light source panel fixing structure and an automobile lamp body are proposed. Utility Model Content
[0006] In order to make up for the deficiencies of the prior art, the existing light source board fixing structure and automobile lamp body are solved. The light source circuit board is fixed inside the car lamp by pressing barbs into plastic parts. Although the fixing effect can be achieved, it is difficult to remove the light source board when it is damaged and needs to be disassembled for repair. Or when brute force is used to disassemble it, the barbs will be deformed, and the installation and fixing effect is lost when it needs to be reinstalled after the repair. In addition, when the existing car lamps use metal heat sinks for heat dissipation, they lack insulation structure. When the heat conducting column leads the heat to a place not far from the car lamp, the heat will be dissipated due to the temperature difference. The dissipated heat will still accumulate near the car lamp. Long-term accumulation may cause excessive heat, causing the car lamp to fog.
[0007] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes a light source panel fixing structure and a car lamp body, including a car light source panel fixing component, the car light source panel fixing component includes a car light source panel main body, the outer wall of the car light source panel main body is integrally connected with an installation slot, and the side of the installation slot is tightly fitted with a limiting block, and the end of the limiting block is integrally connected with a reflective bowl, the side of the car light source panel main body is electrically connected with a powered wire, and the outside of the powered wire is snap-connected with a wire fixing block.
[0008] Preferably, the reflective bowl is shaped like a trumpet, and the reflective bowl and the mounting slot form a snap-fit structure, two limit blocks are symmetrically arranged about the vertical center axis of the mounting slot, and the mounting slot is arranged at equal angles to the sides of the headlight light source board body.
[0009] Preferably, the wire fixing block and the energized wire form a snap-fit structure, and the wire fixing block is made of plastic material.
[0010] Preferably, it also includes a car light source plate fixing assembly and a car light fixing plate installed at the bottom of the car light source plate fixing assembly, a car light cover assembly is installed on the outside of the car light fixing plate, a car light heat dissipation assembly is installed on the bottom of the car light fixing plate, and a mounting plate is fixedly connected to the side of the car light fixing plate, the car light cover assembly includes a lampshade shell, the top of the lampshade shell is integrally connected to the lampshade top plate, and the bottom end of the lampshade shell is threadedly connected to a fixing screw.
[0011] Preferably, the lampshade shell forms a threaded detachable structure with the automobile light fixing plate through fixing screws, and the fixing screws are arranged at equal angles with respect to the outer wall of the automobile light fixing plate, and the inner wall of the lampshade top plate is tightly fitted with the top of the reflective bowl.
[0012] Preferably, the headlight heat dissipation assembly comprises a heat-conducting column, the top end of which is fixedly connected to a sealed heat-conducting sheet, an insulation layer is nested outside the heat-conducting column, and the bottom end of the heat-conducting column is fixedly connected to a heat dissipation fin.
[0013] Preferably, the heat dissipation fins are arranged at equal angles with respect to the outer wall of the heat-conducting column, and the cross-sectional shape of the heat dissipation fins is set to a "Y" shape, and the material of the heat-conducting column is set to a graphite material, the sealed heat-conducting plate and the automobile headlight fixing plate are integrated, and the top surface of the sealed heat-conducting plate is in contact with the bottom surface of the headlight light source plate body.
[0014] The utility model is beneficial in that:
[0015] 1. The utility model is provided with a headlight light source plate fixing assembly, and a mounting slot is provided around the main body of the headlight light source plate. The mounting slot and the limit block are engaged with each other to limit the main body of the headlight light source plate, so that the main body of the headlight light source plate will not rotate easily, and the top plate of the lampshade presses the reflective bowl, so that the main body of the headlight light source plate can be pressed and fixed above the fixing plate of the automobile headlight, without the need for an extra fixing structure, and the various parts inside the headlight can cooperate with each other to press and fix the main body of the headlight light source plate, the structure is simple, and the reflective bowl can be removed by opening and removing the lampshade shell and the top plate of the lampshade, and then the main body of the headlight light source plate can be removed, the operation is simple and convenient, and it is easy to disassemble and repair it;
[0016] 2. The utility model is provided with a headlight heat dissipation component, and a sealed heat conductive sheet is closely attached to the main body of the headlight light source plate, so that the heat generated during the operation of the headlight light source plate can be transferred to the heat conductive column. The heat conductive column made of graphite has excellent thermal conductivity, so that the heat can be further transferred downward to the heat dissipation fins. The heat dissipation fins with a "Y"-shaped design can increase the contact area with the outside world, thereby enhancing the heat dissipation effect. The outside of the heat conductive column is wrapped with a thermal insulation layer, so as to prevent the heat from being dissipated prematurely at a distance close to the headlight. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0018] Figure 1 It is a schematic diagram of the explosion structure of the utility model as a whole;
[0019] Figure 2 It is a schematic diagram of the internal structure of the utility model as a whole;
[0020] Figure 3 It is a schematic diagram of the exploded structure of the fixing component of the light source plate of the vehicle headlight of the utility model;
[0021] Figure 4 It is a three-dimensional structural schematic diagram of a lampshade assembly of a vehicle lamp of the utility model in a partially opened state;
[0022] Figure 5 It is a three-dimensional structural schematic diagram of the heat dissipation component of the vehicle lamp of the utility model.
[0023] In the figure: 1. Car light source board fixing assembly; 2. Car light fixing plate; 3. Car light cover assembly; 4. Car light heat dissipation assembly; 5. Mounting plate; 101. Car light source board body; 102. Mounting slot; 103. Limiting block; 104. Reflective bowl; 105. Power-carrying wire; 106. Wire fixing block; 301. Lamp cover shell; 302. Lamp cover top plate; 303. Fixing screws; 401. Thermal conductive column; 402. Sealed thermal conductive sheet; 403. Insulation layer; 404. Heat dissipation fins. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] Embodiment 1
[0026] See also Figure 2 and Figure 3As shown, a light source board fixing structure includes a car light source board fixing component 1, the car light source board fixing component 1 is used to fix the light source board, the reflective bowl 104 is shaped like a trumpet, and the reflective bowl 104 and the mounting slot 102 form a clamping structure, two limit blocks 103 are symmetrically arranged about the vertical center axis of the mounting slot 102, and the mounting slot 102 is arranged at equal angles with respect to the side of the car light source board body 101, the wire fixing block 106 and the energized wire 105 form a clamping structure, and the material of the wire fixing block 106 is set to plastic material, and the mounting slot 102 is arranged around the car light source board body 101. The mounting slot 102 and the limiting block 103 are mutually engaged and limited, so that the main body 101 of the car light source plate will not rotate easily, and the lampshade top plate 302 presses the reflective bowl 104, so that the main body 101 of the car light source plate can be pressed and fixed on the top of the car light fixing plate 2, without the need for additional fixing structure, and the various components inside the car light can cooperate with each other to press and fix the main body 101 of the car light source plate. The structure is simple, and the reflective bowl 104 can be removed by opening and removing the lampshade shell 301 and the lampshade top plate 302, and then the main body 101 of the car light source plate can be removed. The operation is simple and convenient, and it is easy to disassemble and repair it.
[0027] See also Figure 1 As shown, a car lamp body also includes a car light source plate fixing component 1 and a car light fixing plate 2 installed at the bottom of the car light source plate fixing component 1, a car light cover component 3 is installed on the outside of the car light fixing plate 2, and a car light heat dissipation component 4 is installed on the bottom of the car light fixing plate 2, and a mounting plate 5 is fixedly connected to the side of the car light fixing plate 2.
[0028] See also Figure 4 As shown, a car lamp body, a car lamp shade assembly 3 includes a lamp shade shell 301, the top of the lamp shade shell 301 is integrally connected with a lamp shade top plate 302, and the bottom end of the lamp shade shell 301 is threadedly connected with a fixing screw 303, the lamp shade shell 301 and the car lamp fixing plate 2 form a threaded detachable structure through the fixing screw 303, and the fixing screw 303 is set at an equal angle with respect to the outer wall of the car lamp fixing plate 2, the inner wall of the lamp shade top plate 302 is tightly fitted with the top of the reflective bowl 104, and the car lamp shade assembly 3 is a conventional lamp shade, equipped with a sealing component and a ventilation component.
[0029] See also Figure 5As shown, a car lamp body, a car lamp heat dissipation component 4 is used to dissipate heat, the heat dissipation fins 404 are arranged at equal angles with respect to the outer wall of the heat-conducting column 401, and the cross-sectional shape of the heat dissipation fins 404 is set to be a "Y" shape, and the material of the heat-conducting column 401 is set to be a graphite material, the sealed heat-conducting sheet 402 is integrated with the car lamp fixing plate 2, and the top surface of the sealed heat-conducting sheet 402 is in contact with the bottom surface of the car lamp light source plate body 101, and the sealed heat-conducting sheet 402 is closely attached to the car lamp light source plate body 1 01, it is convenient to conduct the heat generated by the working process of the headlight light source board body 101 to the heat-conducting column 401. The heat-conducting column 401 made of graphite has excellent thermal conductivity, which is convenient for conducting the heat downward to the heat dissipating fins 404. The heat dissipating fins 404 with a "Y"-shaped design are convenient for increasing the contact area with the outside world, thereby facilitating the enhancement of the heat dissipation effect. The outside of the heat-conducting column 401 is wrapped with a heat-insulating layer 403, which is convenient for preventing the heat from being dissipated prematurely at a distance close to the headlight.
[0030] Working principle: This car lamp is screwed into the hole inside the mounting plate 5 and screwed into the car, so that the car lamp can be installed and fixed on the car, and the power wire 105 is connected to the circuit inside the car. When it is not disassembled, the bottom end of the reflective bowl 104 is stuck in the groove of the mounting slot 102, and the limit block 103 is stuck on both sides of the mounting slot 102, so that the reflective bowl 104 cannot rotate outside the main body 101 of the car lamp light source plate, and the lampshade shell 301 covers the outside of the car lamp light source plate fixing component 1. At the same time, the fixing screw 303 is inserted into the lampshade shell 301 and screwed into the car lamp fixing plate 2, so that the lampshade shell 301 is connected and fixed with the car lamp fixing plate 2. At this time, the inner wall of the lampshade top plate 302 is tightly pressed on the top of the reflective bowl 104, and cooperates with the car lamp fixing plate 2, so that the limit block 103 cannot move;
[0031] The heat generated by the main body 101 of the car light source panel during operation is conducted to the heat-conducting column 401 through the sealed heat-conducting sheet 402. The heat-conducting column 401 made of graphite has excellent thermal conductivity and will continue to conduct the heat downward to the heat dissipation fins 404 at its bottom, and dissipate the heat through the heat dissipation fins 404. The outside of the heat-conducting column 401 is wrapped with an insulation layer 403. During the process of the heat-conducting column 401 conducting heat downward, only a very small amount of heat can be dissipated from its side.
[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A light source panel fixing structure, characterized in that: The invention comprises a vehicle light source plate fixing component (1), wherein the vehicle light source plate fixing component (1) comprises a vehicle light source plate body (101), the outer wall of the vehicle light source plate body (101) is integrally connected with a mounting slot (102), the side of the mounting slot (102) is tightly fitted with a limiting block (103), and the end of the limiting block (103) is integrally connected with a reflective bowl (104), the side of the vehicle light source plate body (101) is electrically connected with a powered wire (105), and the outside of the powered wire (105) is engaged and connected with a wire fixing block (106).
2. The light source panel fixing structure according to claim 1, characterized in that: The reflective bowl (104) is shaped like a trumpet, and the reflective bowl (104) and the mounting slot (102) form a snap-fit structure. Two limit blocks (103) are symmetrically arranged about the vertical center axis of the mounting slot (102), and the mounting slot (102) is arranged at equal angles with respect to the side of the vehicle light source panel body (101).
3. The light source panel fixing structure according to claim 1, characterized in that: The wire fixing block (106) and the energized wire (105) form a clamping structure, and the material of the wire fixing block (106) is set to be a plastic material.
4. An automobile lamp body, comprising a light source panel fixing structure according to any one of claims 1 to 3, characterized in that: It also comprises a car light source plate fixing assembly (1) and a car light fixing plate (2) mounted on the bottom of the car light source plate fixing assembly (1), a car light cover assembly (3) being mounted on the outside of the car light fixing plate (2), a car light heat dissipation assembly (4) being mounted on the bottom of the car light fixing plate (2), and a mounting plate (5) being fixedly connected to the side of the car light fixing plate (2); The vehicle lamp shade assembly (3) comprises a shade housing (301), the top of the shade housing (301) is integrally connected with a shade top plate (302), and the bottom end of the shade housing (301) is threadedly connected with a fixing screw (303).
5. The automobile lamp body according to claim 4, characterized in that: The lampshade housing (301) forms a threaded detachable structure with the automobile lamp fixing plate (2) via fixing screws (303), and the fixing screws (303) are arranged at equal angles with respect to the outer wall of the automobile lamp fixing plate (2), and the inner wall of the lampshade top plate (302) is tightly fitted with the top of the reflective bowl (104).
6. The automobile lamp body according to claim 4, characterized in that: The vehicle lamp heat dissipation assembly (4) comprises a heat-conducting column (401), the top end of the heat-conducting column (401) is fixedly connected to a sealed heat-conducting sheet (402), an insulation layer (403) is embedded outside the heat-conducting column (401), and the bottom end of the heat-conducting column (401) is fixedly connected to a heat dissipation fin (404).
7. The automobile lamp body according to claim 6, characterized in that: The heat dissipation fins (404) are arranged at equal angles with respect to the outer wall of the heat-conducting column (401), and the cross-sectional shape of the heat dissipation fins (404) is arranged in a "Y" shape, and the material of the heat-conducting column (401) is arranged to be a graphite material, and the sealed heat-conducting sheet (402) is integrated with the automobile headlight fixing plate (2), and the top surface of the sealed heat-conducting sheet (402) is in contact with the bottom surface of the headlight light source plate body (101).
Citation Information
Patent Citations
Flexible LED circuit board fixing structure for automobile lamp
CN220601439U