Automobile headlamp with hot plug structure

Abstract

The utility model discloses an automobile headlamp with a hot plug structure, which comprises a light source, a heat dissipation part and a hot plug, the heat dissipation part is connected with the end of the light source, the hot plug is laterally connected to the heat dissipation part, the light source comprises a light source support, an LED (light-emitting diode) lamp panel, a support jacket and a bonding pad, and an air passage is arranged between the light source and the heat dissipation part. The structure of the light source support is improved, the light source support is provided with the sliding groove so that the LED lamp panel can be better installed, the cylindrical section of the light source support is combined with the radiator, the radiator is of a fan heat dissipation structure, heat dissipation efficiency is improved, and the service life of the automobile headlamp is prolonged. According to the utility model, the assembly among the radiator, the hot plug and the light source is improved, the size of the automobile headlamp is reduced, the disassembly and assembly are convenient, the hot plug of the automobile headlamp is convenient due to the inverted buckle arranged on the hot plug, and the operation is convenient.

Description

Technical Field

[0001] The utility model relates to an automobile headlamp, in particular to an automobile headlamp with a hot plug structure. Background Art

[0002] Car lights are a type of traffic light device installed on a car for driving illumination and signaling. Car lights are usually divided into two categories: lighting lights and signal lights. Lighting lights are used for driving illumination and to enhance the driver's visual range, while signal lights are used for driving signal warnings.

[0003] In the prior art, the light source bracket of the traditional LED headlamp is a plate structure, and the LED lamp is fixed on the plate. The heat conduction is conducted to the radiator through the lamp plate, and the radiator is provided with fins. The fins of the traditional radiator are made larger to increase the heat dissipation area. Therefore, the installation position of the LED headlamp must reserve enough space for the installation of the LED headlamp. However, the heat dissipation effect of this installation structure is poor, and the accumulated heat is difficult to be efficiently discharged, which shortens the service life of the LED headlamp.

[0004] In the prior art, LED headlights have bulky structures and are inconvenient to assemble and disassemble.

[0005] Therefore, it is necessary to improve the traditional automobile headlights. Summary of the invention

[0006] In view of the deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a car headlamp with a hot-swappable structure. The purposes of designing the car headlamp are: first, to improve the structure of the light source bracket so that the LED light panel can be better installed; second, to improve the assembly between the radiator, the hot-swappable plug and the light source, to reduce the volume of the car headlamp and to facilitate disassembly and assembly.

[0007] In order to solve the above technical problems, the utility model is implemented by the following scheme: the utility model is a car headlamp with a hot-swap structure, comprising a light source, a heat dissipation part connected to the light source end-wise, and a hot-swap plug connected to the heat dissipation part side-wise, the light source comprising a light source bracket, an LED light board, a bracket jacket and a solder pad, and an air passage is provided between the light source and the heat dissipation part;

[0008] The light source bracket is an integrated structure, which has a cylindrical section and two clamping rods, the cylindrical section has a first through cavity penetrating the circular end surfaces at both ends, the first ends of the two clamping rods are fixed to the opposite side surfaces of the first through cavity, and the second ends thereof extend outward to form two parallel rod bodies, the facing surfaces of the two clamping rods are provided with sliding grooves and the two sliding grooves are arranged oppositely, and the outer peripheral surface of the cylindrical section is provided with at least one convex column;

[0009] One end of the LED light board is vertically fixed to the center of the soldering pad and electrically connected;

[0010] The LED light board enters along the slide groove and leaves a wind clearance between the welding pad and the cylindrical section;

[0011] The bracket jacket has a second through cavity penetrating through both ends, and the inner wall surface of the second through cavity is provided with at least one limiting groove penetrating through both ends of the second through cavity, and the protruding column slides into the limiting groove so that the bracket jacket is sleeved on the outside of the light source bracket;

[0012] The heat dissipation part includes a C-shaped radiator, a fan bracket installed in the radiator, a fan rotatably connected to the fan bracket, and a cover body covering the air outlet of the radiator, the radiator is fixed to the cylindrical section, and the cover body has an air outlet;

[0013] The hot-swap plug is fixed to the C-shaped port of the radiator through a bottom bracket, and is also electrically connected to the pad through a switching circuit board.

[0014] Furthermore, the outwardly extending ends of the two clamping rods are covered with caps.

[0015] Furthermore, the outer peripheral surface of the bracket sleeve has an annular groove, and a silicone ring is sleeved in the annular groove.

[0016] Furthermore, the structure of the heat sink is that a plurality of fins arranged at equal distances are provided on the outer arc surface of a C-shaped plate.

[0017] Furthermore, both opposite sides of the C-shaped plate are provided with slots, and both sides of the bottom bracket are provided with convex strips that can be inserted into the slots.

[0018] Furthermore, the adapter circuit board is arranged at the arc slot end of the hot-swap plug, and its installation direction is perpendicular to the pad. After the adapter circuit board is fixed to the arc slot end, a gap is left for the side protrusion plate of the bottom bracket to enter.

[0019] Furthermore, the hot-swap plug includes a plastic shell and a two-pin plug fixed in the plastic shell, and the two-pin plug is electrically connected to the adapter circuit board.

[0020] Furthermore, the outer end of the plastic shell is a waist cylinder, and undercuts are provided on the curved surfaces on both sides of the waist cylinder.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] 1. The utility model improves the structure of the light source bracket. The light source bracket is provided with a slide groove to facilitate the installation of the LED light panel. The cylindrical section is combined with the radiator and the radiator adopts a fan heat dissipation structure to improve the heat dissipation efficiency and increase the service life of the automobile headlight.

[0023] 2. The utility model improves the assembly between the radiator, the hot-swap plug and the light source, reduces the volume of the automobile headlamp, facilitates disassembly and assembly, and provides an inverted buckle on the hot-swap plug to facilitate hot-swap of the automobile headlamp, which is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is an exploded view of the automobile headlamp of the utility model.

[0025] Figure 2 It is an assembly diagram of the automobile headlamp of the utility model.

[0026] Figure 3 The utility model is a structural diagram of the automobile headlamp after removing the heat dissipation part.

[0027] Figure 4 This is a structural diagram of the light source bracket of the utility model.

[0028] Figure 5 This is a structural diagram of the support jacket of the utility model.

[0029] Figure 6 This is a structural diagram of the silicone ring of the utility model.

[0030] Figure 7 This is a structural diagram of the connection between the radiator and the bottom bracket of the utility model.

[0031] Markings in the accompanying drawings: cover body 1, fan 2, radiator 3, fan bracket 4, solder pad 5, LED light board 6, light source bracket 7, bracket jacket 8, silicone ring 9, cap 10, adapter circuit board 11, bottom bracket 12, hot-swappable plug 13, card slot 31, cylindrical section 71, first through cavity 72, slide groove 73, clamping rod 74, boss 75, limit groove 81, convex strip 121, plastic shell 131, undercut 132, two-pin plug 133. DETAILED DESCRIPTION

[0032] 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, so that the advantages and features of the utility model can be more easily understood by those skilled in the art, thereby making a clearer and more explicit definition of the protection scope of the utility model. Obviously, the embodiments described in the utility model 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 making creative work are within the scope of protection of the utility model.

[0033] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0034] Embodiment 1: The specific structure of the utility model is as follows:

[0035] Please refer to the attached Figure 1-7 The utility model is a car headlamp with a hot-swappable structure, comprising a light source, a heat dissipation part connected to the light source end, and a hot-swappable plug 13 connected to the heat dissipation part on the side. The light source comprises a light source bracket 7, an LED light board 6, a bracket jacket 8 and a solder pad 5. An air passage is provided between the light source and the heat dissipation part. Part of the heat generated by the light source after operation is sent from the air passage to the heat dissipation part, and the heat dissipation part discharges the heat.

[0036] The light source bracket 7 is an integrated structure, which has a cylindrical section 71 and two clamping rods 74. The two clamping rods 74 are covered with caps 10 at the outwardly extending ends. The caps 10 connect the two clamping rods 74 and cover the ends of the two clamping rods 74. The cylindrical section 71 has a first through cavity 72 that runs through the two circular end surfaces. The first ends of the two clamping rods 74 are fixed to the opposite sides of the first through cavity 72, and the second ends thereof extend outward to form two parallel rod bodies. The facing surfaces of the two clamping rods 74 are provided with slide grooves 73, and the two slide grooves 73 are arranged oppositely. The outer peripheral surface of the cylindrical section 71 is provided with at least one protruding column 75. The front and rear ends of the cylindrical section 71 are both provided with steps. The two facing surfaces of the first through cavity 72 on the cylindrical section 71 are rectangular surfaces, and the other two surfaces of the first through cavity 72 are arc surfaces. The first ends of the two clamping rods 74 are fixed to the plate surfaces on both sides. The outer end of the clamp rod 74 in the length direction is wider than the inner end of the clamp rod 74 in the length direction, and a step is provided at the tail end for the cover cap 10 to cover.

[0037] Preferably, the light source bracket 7 of the present invention is made of aluminum alloy. Aluminum alloy has good thermal conductivity and its cost is lower than that of copper thermal conductive material.

[0038] One end of the LED light board 6 is vertically fixed to the center of the soldering pad 5 and electrically connected. The LED light board 6 is provided with a plurality of LED lights. Figure 2 The four square bodies in the figure are LED lamps. The LED lamp board 6 enters along the slide groove 73 and leaves a wind clearance between the soldering pad 5 and the cylindrical section 71. After the LED lamp board 6 is fixed, a wind passage is formed between the LED lamp board 6 and the two rectangular surfaces of the first through cavity 72, and the wind passage is connected to the wind clearance.

[0039] When the LED lamp is working, the heat it generates passes through the wind channel into the wind gap and then into the heat dissipation part.

[0040] The bracket cover 8 has a second through cavity that passes through both ends, and at least one limiting groove 81 that passes through both ends of the second through cavity is provided on the inner wall surface of the second through cavity, and the protruding column 75 slides along the limiting groove 81 to make the bracket cover 8 sleeved on the outside of the light source bracket 7. The outer peripheral surface of the bracket cover 8 has an annular groove, and a silicone ring 9 is sleeved in the annular groove. The silicone ring 9 is used to abut against the light-transmitting cover, which is an open light-transmitting cover, and its end abuts against the silicone ring 9.

[0041] The heat dissipation part includes a C-shaped radiator 3, a fan bracket 4 installed in the radiator 3, a fan 2 rotatably connected to the fan bracket 4, and a cover 1 covering the air outlet of the radiator 3. The radiator 3 is fixed to the cylindrical section 71, and the cover 1 has an exhaust port. The hot-swap plug 13 is fixed to the C-shaped port of the radiator 3 through a bottom bracket 12, and is also electrically connected to the pad 5 through a transfer circuit board 11. The structure of the radiator 3 is that a plurality of fins arranged at equal distances are arranged on the outer arc surface of a C-shaped plate. The opposite sides of the two ends of the C-shaped plate are provided with a card slot 31, and the two sides of the bottom bracket 12 are provided with a convex strip 121 that can be inserted into the card slot 31. The transfer circuit board 11 is arranged at the arc slot end of the hot-swap plug 13, and its installation direction is perpendicular to the pad 5. After the transfer circuit board 11 fixes the arc slot end, a gap is left for the side convex plate of the bottom bracket 12 to enter. The hot-swap plug 13 includes a plastic shell 131 and a two-pin plug 133 fixed in the plastic shell 131 . The two-pin plug 133 is electrically connected to the adapter circuit board 11 .

[0042] like Figure 2 As shown, the automobile headlamp of the utility model presents an L-shaped structure, and the light source, the heat dissipation part and the hot-swap plug 13 are compactly assembled, the structure is small, and the heat dissipation effect is good, which meets the use of most brands of automobiles on the market.

[0043] The outer end of the plastic shell 131 is a waist cylinder, and undercuts 132 are provided on the arc surfaces on both sides of the waist cylinder. The plastic shell 131 of the utility model is inserted into the headlight installation position and fixed with the buckle groove of the headlight installation position by the undercut 132 to prevent the car headlight from being disengaged and make the two pins 133 contact stably.

[0044] In summary, the utility model improves the structure of the light source bracket, and the light source bracket is provided with a slide groove to facilitate the installation of the LED light panel. The cylindrical section is combined with the radiator, and the radiator adopts a fan heat dissipation structure to improve the heat dissipation efficiency and increase the service life of the automobile headlight. The utility model improves the assembly between the radiator, the hot-swap plug and the light source, reduces the volume of the automobile headlight, and is convenient for disassembly and assembly. A buckle is provided on the hot-swap plug to facilitate the hot-swap of the automobile headlight, and the operation is convenient.

[0045] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An automobile headlamp with a hot-swap structure, comprising a light source, a heat dissipation portion end-wise connected to the light source, and a hot-swap plug (13) laterally connected to the heat dissipation portion, characterized in that: The light source comprises a light source bracket (7), an LED light board (6), a bracket cover (8) and a solder pad (5); an air passage is provided between the light source and the heat dissipation portion; The light source bracket (7) is an integrated structure, comprising a cylindrical section (71) and two clamping rods (74); the cylindrical section (71) has a first through cavity (72) penetrating two circular end surfaces; the first ends of the two clamping rods (74) are fixed to opposite sides of the first through cavity (72); the second ends thereof extend outward to form two parallel rod bodies; the facing surfaces of the two clamping rods (74) are both provided with sliding grooves (73) and the two sliding grooves (73) are arranged opposite to each other; and the outer peripheral surface of the cylindrical section (71) is provided with at least one convex column (75); One end of the LED light board (6) is vertically fixed to the center of the soldering pad (5) and electrically connected, and the LED light board (6) enters along the slide groove (73) so that a wind clearance is left between the soldering pad (5) and the cylindrical section (71); The bracket sleeve (8) has a second through cavity that passes through both ends, and at least one limiting groove (81) that passes through both ends of the second through cavity is provided on the inner wall surface of the second through cavity, and the protruding column (75) slides along the limiting groove (81) to enable the bracket sleeve (8) to be sleeved on the outside of the light source bracket (7); The heat dissipation portion comprises a radiator (3) of a C-shaped structure, a fan bracket (4) installed in the radiator (3), a fan (2) rotatably connected to the fan bracket (4), and a cover (1) covering an air outlet of the radiator (3); the radiator (3) is fixed to the cylindrical section (71), and the cover (1) has an air outlet; The hot-swap plug (13) is fixed to the C-shaped port of the heat sink (3) via a bottom bracket (12), and is also electrically connected to the solder pad (5) via a switching circuit board (11).

2. The automobile headlamp with hot-swap structure according to claim 1, characterized in that: The outwardly extending ends of the two clamping rods (74) are covered with cover caps (10).

3. The automobile headlamp with hot-swap structure according to claim 1, characterized in that: The outer peripheral surface of the bracket sleeve (8) has an annular groove, and a silicone ring (9) is sleeved in the annular groove.

4. The automobile headlamp with hot-swap structure according to claim 1, characterized in that: The structure of the heat sink (3) is that a plurality of fins arranged at equal distances are arranged on the outer arc surface of a C-shaped plate.

5. The automobile headlamp with hot-swap structure according to claim 4, characterized in that: The two opposite sides of the C-shaped plate are provided with a clamping groove (31), and the two sides of the bottom bracket (12) are provided with a convex strip (121) capable of being clamped into the clamping groove (31).

6. The automobile headlamp with hot-swap structure according to claim 1, characterized in that: The adapter circuit board (11) is arranged at the arc groove end of the hot-swap plug (13), and its installation direction is perpendicular to the solder pad (5). After the adapter circuit board (11) is fixed to the arc groove end, a gap is left for the side convex plate of the bottom bracket (12) to enter.

7. The automobile headlamp with hot-swap structure according to claim 1, characterized in that: The hot-swap plug (13) comprises a plastic shell (131) and a two-pin plug (133) fixed in the plastic shell (131), wherein the two-pin plug (133) is electrically connected to the adapter circuit board (11).

8. The automobile headlamp with hot-swap structure according to claim 7, characterized in that: The outer end of the plastic shell (131) is a waist cylinder, and undercuts (132) are provided on the curved surfaces on both sides of the waist cylinder.

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