LED car lamp with liquid cooling heat dissipation function

By using a liquid cooling system that utilizes heat pipes and coolant circulation, the problem of slow heat dissipation in LED vehicle lights under high-temperature environments is solved, achieving a highly efficient heat dissipation effect.

CN223740623UActive Publication Date: 2025-12-30DONGGUAN BAIHONG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423012599.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-12-30
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

Existing LED vehicle lights have slow heat dissipation in high-temperature environments, affecting their normal operation.

Method used

A liquid cooling system is adopted, which uses heat pipes and coolant circulation in the cooling shell to dissipate heat in combination with heat sinks, thereby improving heat dissipation efficiency.

Benefits of technology

It effectively reduces the temperature of LED beads, improves heat dissipation speed, and ensures that LED vehicle lights work normally in high-temperature environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of LED car lamps, in particular to an LED car lamp with liquid cooling heat dissipation, which adopts the technical scheme that the LED car lamp comprises a shell and a shell cover, a heat conduction pipe is embedded in one side of the shell, a substrate is mounted on the inner side of the heat conduction pipe, a water tank is embedded in the shell cover, a cooling shell is mounted in the water tank, and a cooling fan is mounted in the cooling shell. A first connecting pipe is installed on the side, away from the shell, of the cooling shell in an embedded mode, a second connecting pipe is installed on the portion, above the first connecting pipe, of the side face of the water tank in an embedded mode, and a water inlet pipe is installed at the top of the water tank in an embedded mode. The LED lamp has the advantages that heat generated by the LED lamp beads is reduced through the cooling fins and cold water, and the cooling speed is increased.
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Description

TECHNICAL FIELD

[0001] The utility model relates to LED car light technical field, concretely is a kind of LED car light with liquid cooling heat dissipation. BACKGROUND

[0002] LED car light is a kind of car lamp using LED (light emitting diode) as light source, compared with traditional halogen bulb or halogen xenon lamp, LED car light has higher brightness, lower energy consumption, longer life and faster response time, LED car light is more and more popular in modern automobile industry, is widely used in headlamp, tail light, fog lamp, daytime running lamp and other positions.

[0003] When the air temperature around LED car light is higher, using fin and cooling fan to dissipate heat can help reduce the working temperature of LED car light, maintain its normal operation, fin and cooling fan play the role of heat dissipation, but the heat dissipation speed can be influenced by ambient temperature, if the ambient air temperature is higher, the heat dissipation speed can be slowed down, because temperature difference is not enough, heat dissipation effect will be limited. INVENTION CONTENTS

[0004] The utility model discloses a kind of LED car light with liquid cooling heat dissipation, with the advantage of using fin and cold water to reduce the heat generated by LED lamp bead, improve the heat dissipation speed, solve the problem of slow heat dissipation speed when the air temperature around LED car light is high.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of LED car light with liquid cooling heat dissipation, including shell and shell cover, the shell side is embedded with heat pipe, the heat pipe inner side is installed with substrate, the shell cover is embedded with water tank, the water tank inside is installed with cooling shell, the cooling shell side away from shell is embedded with connecting pipe one, the water tank side surface above connecting pipe one is embedded with connecting pipe two, the water tank top is embedded with water inlet pipe.

[0006] Preferably, LED lamp bead is installed on the substrate upper and lower ends.

[0007] Preferably, fin is installed on the shell outer side in rectangular array.

[0008] Preferably, connecting hole is opened in rectangular array in the shell cover.

[0009] Preferably, fixed frame is welded on the shell cover side away from shell, and fixed frame is symmetrically provided with fixed hole.

[0010] Preferably, water outlet pipe is embedded and installed in the water tank bottom.

[0011] Preferably, the connecting pipe one and the connecting pipe two are fixedly connected with the cooling shell at the end of the water tank, and the flanges are installed at the end of the connecting pipe one and the connecting pipe two away from the water tank.

[0012] Preferably, the water tank is installed with the connecting plate on the opposite side of the fixed frame.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model discloses a water tank and cooling shell are set up, and cold water enters the water tank inside from the water inlet pipe, and the water tank stores up the cold water, and the connecting pipe one and the connecting pipe two all pass through the flange and connect the pipeline of conveying cooling liquid, and the LED lamp pearl produces a large amount of heat when emitting light, and the heat is transferred to the shell body inside through the heat pipe, and the radiating fin of the shell body outside diffuses the heat outward, and the cooling liquid enters the cooling shell inside in the water tank from the connecting pipe one, and the cooling liquid in the cooling shell inside reduces the temperature of the water in the water tank, and the cooling liquid in the cooling shell inside is discharged from the connecting pipe two, and the cold water in the water tank absorbs the heat in the shell body, which achieves the effect that the radiating fin and the cold water reduce the heat produced by the LED lamp pearl, and improve the radiating speed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the first angle three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is the second angle three-dimensional structure schematic diagram of the utility model;

[0017] Figure 3 It is the shell cover, fixed frame and water tank structure schematic diagram of the utility model;

[0018] Figure 4 It is the water tank cross section structure schematic diagram of the utility model.

[0019] In the drawing: 1, shell body;2, radiating fin;3, shell cover;4, connecting hole;5, water outlet pipe;6, connecting pipe one;7, fixed frame;8, fixed hole;9, water tank;10, connecting pipe two;11, water inlet pipe;12, heat pipe;13, base plate;14, LED lamp pearl;15, connecting plate;16, cooling shell;17, movable hole;18, flange. DETAILED DESCRIPTION

[0020] In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiment of the utility model is explained in detail below with the accompanying drawings.

[0021] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can be practiced in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the spirit of the present application, therefore, the present application is not limited to the specific implementation manner disclosed below.

[0022] Secondly, the present application is described in detail in combination with the schematic diagram, when the present application is described in detail, for the convenience of description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of the present application protection herein. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in the actual manufacture.

[0023] In order to make the purpose, technical scheme and advantages of the present application more clear, the embodiments of the present application will be further described in detail below in combination with the drawings.

[0024] Example one

[0025] As Figures 1-4The utility model provides a LED car light with liquid cooling heat dissipation, including casing 1 and shell cover 3, casing 1 one side inserts and installs heat pipe 12, heat pipe 12 inboard is installed with the substrate 13, both ends of substrate 13 are installed with LED lamp pearl 14, the outside of casing 1 is installed with the fin 2 in rectangular array, LED lamp pearl 14 will emit light after connecting power supply, a large amount of heat will be produced when LED lamp pearl 14 emits light, heat is passed to heat pipe 12 through substrate 13, heat pipe 12 passes heat to casing 1, the fin 2 of casing 1 outside spreads heat to the air around, shell cover 3 is set up with the connecting hole 4 in rectangular array, through the connecting hole 4 of shell cover 3, using bolt and other tools shell cover 3 and casing 1 fixed connection, shell cover 3 is welded with the fixed frame 7 on the side away from casing 1, the fixed frame 7 is symmetrically set up with fixed hole 8, through the fixed hole 8 of fixed frame 7, using bolt and other tools shell cover 3 is fixed in the load bearing structure inside the vehicle, shell cover 3 inserts and installs the water tank 9, the water tank 9 is installed with the connecting plate 15 on the side opposite to fixed frame 7, the connecting plate 15 is fixedly connected with the water tank 9 and fixed frame 7, increases the stability of water tank 9, the water tank 9 is installed with cooling shell 16, cooling shell 16 is installed with connecting pipe no. 1 6 on the side away from casing 1, the side surface of water tank 9 above connecting pipe no. 1 6 inserts and installs connecting pipe no. 2 10, one end of connecting pipe no. 1 6 and connecting pipe no. 2 10 that stretches into the water tank 9 is fixedly connected with cooling shell 16, the end of connecting pipe no. 1 6 and connecting pipe no. 2 10 away from water tank 9 is installed with flange 18, and connecting pipe no. 1 6 and connecting pipe no. 2 10 are all through flange 18 connecting the pipeline of delivery cooling liquid, and low-temperature cooling liquid enters the inside of cooling shell 16 from connecting pipe no. 1 6, and the cooling liquid in the inside of cooling shell 16 is discharged from connecting pipe no. 2 10, so that the cooling liquid in the inside of cooling shell 16 circulates, the water tank 9 top embeds and installs the inlet tube 11, and the water tank 9 bottom embeds and installs the outlet tube 5, and the water in the water tank 9 can be discharged from the outlet tube 5, and cooling shell 16 is set up with movable hole 17 in rectangular array, and the water in the water tank 9 can pass through cooling shell 16 through movable hole 17, and movable hole 17 increases the contact area of cooling shell 16 and the water in the water tank 9.

[0026] Working principle: through the connecting hole 4 of the shell cover 3, the shell cover 3 is fixedly connected with the shell 1 by using bolts and other tools, through the fixing hole 8 of the fixing frame 7, the fixing frame 7 is fixed on the bearing structure inside the vehicle by using bolts and other tools, the LED lamp bead 14 will emit light after being connected with the power supply, the LED lamp bead 14 will generate a large amount of heat when emitting light, the heat is transmitted to the heat pipe 12 through the substrate 13, the heat pipe 12 transmits the heat to the shell 1, the heat dissipation fin 2 outside the shell 1 diffuses the heat to the surrounding air, the cold water enters the inside of the water tank 9 from the water inlet pipe 11, the water tank 9 stores the cold water, the connecting pipe one 6 and the connecting pipe two 10 are connected with the pipeline conveying the cooling liquid through the flange 18, the cooling liquid enters the inside of the cooling shell 16 inside the water tank 9 from the connecting pipe one 6, the cooling liquid inside the cooling shell 16 reduces the temperature of the water inside the water tank 9, the cooling liquid inside the cooling shell 16 is discharged from the connecting pipe two 10, and the cold water inside the water tank 9 absorbs the heat inside the shell 1.

[0027] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. An LED vehicle lamp with liquid cooling heat dissipation, comprising a shell (1) and a shell cover (3), characterized in that: The shell (1) is embedded with a heat pipe (12) on one side, the heat pipe (12) is internally provided with a base plate (13), the shell cover (3) is embedded with a water tank (9), the water tank (9) is internally provided with a cooling shell (16), the cooling shell (16) is embedded with a connecting pipe one (6) on the side away from the shell (1), the water tank (9) side above the connecting pipe one (6) is embedded with a connecting pipe two (10), the water tank (9) top is embedded with a water inlet pipe (11).

2. The LED vehicle lamp with liquid cooling heat dissipation according to claim 1, characterized in that: The base plate (13) is provided with LED lamp beads (14) on both ends.

3. The LED vehicle lamp with liquid cooling heat dissipation according to claim 1, characterized in that: The shell (1) is externally provided with a rectangular array of heat dissipation fins (2).

4. The LED vehicle lamp with liquid cooling heat dissipation according to claim 1, characterized in that: The shell cover (3) is provided with connecting holes (4) in a rectangular array.

5. The LED vehicle lamp with liquid cooling heat dissipation according to claim 1, characterized in that: The shell cover (3) is welded with a fixing frame (7) on the side away from the shell (1), the fixing frame (7) is symmetrically provided with fixing holes (8).

6. The LED vehicle lamp with liquid cooling heat dissipation according to claim 1, characterized in that: The water tank (9) is embedded with a water outlet pipe (5) on the bottom.

7. The LED vehicle lamp with liquid cooling heat dissipation according to claim 1, characterized in that: The connecting pipe one (6) and the connecting pipe two (10) are fixedly connected with the cooling shell (16) on the end extending into the water tank (9), the connecting pipe one (6) and the connecting pipe two (10) are provided with flanges (18) on the end away from the water tank (9), and the cooling shell (16) is provided with movable holes (17) in a rectangular array.

8. The LED vehicle lamp with liquid cooling heat dissipation according to claim 1, characterized in that: The water tank (9) is provided with a connecting plate (15) on the side opposite to the fixing frame (7).