LED car lamp with multiple heat dissipation pipes

Abstract

The LED car lamp comprises a circuit board and a radiator, one side of the circuit board is fixedly connected with a mounting plate, the upper end of the mounting plate is fixedly connected with an LED lamp, the upper end of the mounting plate is uniformly and fixedly connected with a heat conducting plate, the mounting plate is in threaded connection with a lampshade on the outer side of the heat conducting plate, and one side of the lampshade is in contact with an annular radiating flat copper pipe. An annular heat dissipation flat copper pipe is installed on one side of the circuit board, the annular heat dissipation flat copper pipe is of a wave-shaped structure, round copper pipes are fixedly connected to the two sides of the circuit board, a fan is rotationally connected to the bottom side of the installation plate, a clamping sleeve is connected to one side of the circuit board in a sleeving mode, a through hole is formed in the clamping sleeve, a spring ejector pin is inserted into the through hole, and the end of the spring ejector pin makes contact with the circuit board. And the asbestos is used for blocking, airflow guided to the radiator by the fan is prevented from passing through the circuit board, uneven conduction of hot airflow is avoided, meanwhile, the annular radiating flat copper pipe and the circular copper pipe are used for radiating the automobile lamp, the radiating surface can be increased, and the radiating effect is improved.

Description

Technical Field

[0001] The invention relates to the technical field of LED vehicle lamps, and in particular to an LED vehicle lamp with a plurality of heat dissipation pipes. Background Art

[0002] LED headlights usually involve two or more heat pipes to improve heat dissipation efficiency and ensure the stability and reliability of the headlights during long-term use. The heat pipes are closely connected to the headlight body to form an effective heat dissipation channel, which can quickly dissipate the heat generated by the headlights. At this stage, the headlight body mainly dissipates heat through heat dissipation copper tubes and cooling fans.

[0003] According to the "A deep drawing stamping die" with Chinese patent publication number CN218310294U, it mainly describes that when the LED driver board and the LED light board are working, the heat generated can be directly transferred to the upper shell, the lower shell, the first heat dissipation pipe and the second heat dissipation pipe, and then the airflow formed by the cooling fan can blow the upper shell, the lower shell, the first heat dissipation pipe, the second heat dissipation pipe and the LED driver board, so as to quickly dissipate heat and improve the heat dissipation efficiency. In this process, the cooling fan will direct the heat generated by turning on the car lights to the condensation end of the heat dissipation copper tube, which has a certain influence on the heat dissipation efficiency.

[0004] Therefore, an LED headlight with multiple heat dissipation pipes is proposed to solve the problem that during this process, the heat dissipation fan will direct the heat generated by turning on the headlight to the condensation end of the heat dissipation copper pipe, which has a certain impact on the heat dissipation efficiency. Summary of the invention

[0005] The technical problem to be solved by the present invention is as follows: During this process, the heat dissipation fan will direct the heat generated by turning on the headlight to the condensation end of the heat dissipation copper tube, which has a certain impact on the heat dissipation efficiency. Therefore, an LED headlight with multiple heat dissipation tubes is proposed.

[0006] The technical solution adopted by the present invention to solve the technical problem is: an LED car light with multiple heat dissipation pipes, including a circuit board and a radiator, a mounting plate fixedly connected to one side of the circuit board, an LED lamp fixedly connected to the upper end of the mounting plate, a heat conducting plate evenly fixedly connected to the upper end of the mounting plate, the mounting plate is located on the outer side of the heat conducting plate and is threadedly connected to a lampshade, an annular heat dissipation flat copper tube is fixedly connected to one side of the lampshade, the annular heat dissipation flat copper tube has a wavy structure, round copper tubes are fixedly connected to both sides of the circuit board, a fan is rotatably connected to the bottom side of the mounting plate, a clamping sleeve is sleeved on one side of the circuit board, a through hole is opened on the clamping sleeve, a spring ejector is inserted into the through hole and the end of the spring ejector is in contact with the circuit board.

[0007] As a preferred technical solution of the present invention, four spring pins are provided, and the ends of the spring pins are in contact with a baffle made of asbestos. The baffle is in contact with the circuit board. By providing the baffle, the heat guided by the fan can be prevented from contacting the circuit board and the round copper tube.

[0008] As a preferred technical solution of the present invention, an annular groove is provided in the ferrule, and the annular groove corresponds to the circuit board. By providing the annular groove, the weight of the ferrule can be reduced and the installation stability can be improved.

[0009] As a preferred technical solution of the present invention, the four sides of the upper end of the ferrule are rotatably connected with rotating rods, and the rotating rods are threadedly connected with pressure plates, and the pressure plates are in contact with the heat sink. By arranging the rotating rods and the pressure plates, the stability of the ferrule can be improved.

[0010] As a preferred technical solution of the present invention, an annular cover is evenly fixedly connected to the outside of the lampshade, and air holes are evenly opened on the annular cover. By providing the annular cover and the air holes, air flow can be further guided to dissipate heat.

[0011] The present invention has the following advantages: by installing a sleeve structure on one side of the circuit board and blocking it with asbestos, the airflow at the fan-guided radiator is prevented from passing through the circuit board, thereby avoiding uneven conduction of the hot air flow; at the same time, the car light is cooled by the annular heat dissipation flat copper tube and the round copper tube, which can increase the heat dissipation surface and improve the heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of a side cross-sectional structure of an LED vehicle lamp with multiple heat dissipation pipes according to a preferred embodiment of the present invention;

[0013] Figure 2 It is a schematic diagram of the three-dimensional structure of the sleeve of an LED vehicle lamp with multiple heat dissipation pipes according to a preferred embodiment of the present invention;

[0014] Figure 3 It is a schematic diagram of the top view of the mounting plate of an LED vehicle lamp with multiple heat dissipation pipes according to a preferred embodiment of the present invention.

[0015] Explanation of the reference numerals: 1. circuit board; 2. heat sink; 3. mounting plate; 4. LED lamp; 5. heat conducting plate; 6. lampshade; 7. annular heat dissipation flat copper tube; 8. round copper tube; 9. fan; 10. annular cover; 11. air hole; 12. ferrule; 13. through hole; 14. spring ejector pin; 15. baffle; 16. rotating rod; 17. pressure plate; 18. annular groove. DETAILED DESCRIPTION

[0016] The present invention will be further described below in conjunction with the accompanying drawings.

[0017] Please refer to Figure 1-3 The LED car light with multiple heat pipes shown in the figure includes a circuit board 1 and a radiator 2. The radiator 2 can guide the heat of the LED lamp 4. A mounting plate 3 is fixedly connected to one side of the circuit board 1. The LED lamp 4 is fixedly connected to the upper end of the mounting plate 3. A heat conducting plate 5 is evenly fixedly connected to the upper end of the mounting plate 3. The heat conducting plate 5 is made of a heat conducting material. The mounting plate 3 is threadedly connected to a lampshade 6 on the outer side of the heat conducting plate 5. A ring-shaped heat dissipation flat copper tube 7 is fixedly connected to one side of the lampshade 6. The ring-shaped heat dissipation flat copper tube 7 has a wavy structure, which can increase the heat dissipation between the flat copper tube and the LED lamp. 4, improve the heat absorption, round copper tubes 8 are fixedly connected to both sides of the circuit board 1, and a fan 9 is rotatably connected to the bottom side of the mounting plate 3. The fan 9 forms a guide airflow, which can guide the heat flow on the radiator 2 out. A sleeve 12 is sleeved on one side of the circuit board 1, and a through hole 13 is opened on the sleeve 12. A spring ejector pin 14 is inserted in the through hole 13, and the end of the spring ejector pin 14 is in contact with the circuit board 1. The round copper tube 8 is fixedly connected to the annular heat dissipation flat copper tube 7. By setting the end of the spring ejector pin 14 to connect the side of the circuit board 1, it can be convenient for installation and disassembly.

[0018] Among them, the circuit board 1 contacts the baffle 15, the baffle 15 contacts the end of the spring ejector 14, four spring ejector pins 14 are provided, and the baffle 15 is made of asbestos material. By setting the baffle 15 and cooperating with the sleeve 12, the heat flow at the radiator 2 can be blocked from directly contacting the circuit board 1 and the end of the round copper tube 8.

[0019] An annular groove 18 is provided in the ferrule 12 , and the annular groove 18 corresponds to the circuit board 1 . By providing the annular groove 18 , the weight of the ferrule 12 can be reduced, making the installation more stable.

[0020] The heat sink 2 is in contact with a pressure plate 17 , and a rotating rod 16 is threadedly connected to the pressure plate 17 . The rotating rod 16 is rotatably connected to four sides of the upper end of the ferrule 12 . By arranging the rotating rod 16 and the pressure plate 17 , the stability of the ferrule 12 can be improved.

[0021] Among them, an annular cover 10 is evenly fixedly connected to the outside of the lampshade 6. The annular cover 10 is made of metal material. Air holes 11 are evenly opened on the annular cover 10. By setting the annular cover 10, the heat dissipation effect can be improved and the wind guidance is convenient.

[0022] Working principle: an annular heat dissipation flat copper tube 7 is set on both sides of the LED lamp 4, and then heat is dissipated by contacting the round copper tube 8. At the same time, the fan 9 is started to rotate and drive the airflow to change. Then the wind is guided through the annular cover 10, driving the airflow to flow to one side of the round copper tube 8. It is blocked by the sleeve 12 and the baffle 15 on the way, which can avoid the guided hot air flow from affecting the end of the round copper tube 8. At the same time, the end of the spring ejector 14 is used to limit the circuit board 1, and the pressure plate 17 is used to squeeze the edge of the radiator 2 to provide a limit, thereby improving the stability of the equipment and blocking the guided airflow from contacting the circuit board 1, thereby improving the heat dissipation effect.

[0023] The above are only preferred embodiments of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

[0024] Other parts of the present invention not described in detail belong to the prior art and will not be described in detail here.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An LED vehicle lamp with a plurality of heat dissipation tubes, comprising a circuit board (1) and a heat sink (2), wherein a mounting plate (3) is fixedly connected to one side of the circuit board (1), and characterized in that: The upper end of the mounting plate (3) is fixedly connected to an LED lamp (4), the upper end of the mounting plate (3) is evenly fixedly connected to a heat conducting plate (5), the mounting plate (3) is threadedly connected to a lampshade (6) located outside the heat conducting plate (5), one side of the lampshade (6) is fixedly connected to an annular heat dissipation flat copper tube (7), the annular heat dissipation flat copper tube (7) is in a wavy structure, both sides of the circuit board (1) are fixedly connected to round copper tubes (8), the bottom side of the mounting plate (3) is rotatably connected to a fan (9), one side of the circuit board (1) is sleeved with a ferrule (12), the ferrule (12) is provided with a through hole (13), a spring ejector pin (14) is inserted into the through hole (13), and the end of the spring ejector pin (14) is in contact with the circuit board (1).

2. The LED vehicle lamp with multiple heat dissipation pipes as claimed in claim 1, characterized in that: Four spring ejector pins (14) are provided, and the ends of the spring ejector pins (14) are in contact with a baffle (15), and the baffle (15) is in contact with the circuit board (1).

3. The LED vehicle lamp with multiple heat dissipation pipes as claimed in claim 2, characterized in that: An annular groove (18) is provided in the clamping sleeve (12), and the annular groove (18) corresponds to the circuit board (1).

4. The LED vehicle lamp with multiple heat dissipation pipes as claimed in claim 3, characterized in that: The four sides of the upper end of the clamping sleeve (12) are rotatably connected to a rotating rod (16), and a pressing plate (17) is threadedly connected to the rotating rod (16), and the pressing plate (17) is in contact with the heat sink (2).

5. The LED vehicle lamp with multiple heat dissipation pipes as claimed in claim 4, characterized in that: An annular cover (10) is evenly fixedly connected to the outside of the lampshade (6), and air holes (11) are evenly opened on the annular cover (10).

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