Heat dissipation assembly, vehicle lamp and vehicle

Abstract

The utility model discloses a heat dissipation assembly, a vehicle lamp and a vehicle and relates to the technical field of vehicle heat dissipation. The heat dissipation assembly comprises a water cooling plate, an access pipe, a water inlet pipe and a water outlet pipe. The water cooling plate is provided with a water cooling channel and a heat exchange face used for heat exchange, the connecting-in pipe is divided into a main channel and a branch channel which are mutually parallel and independent through a first partition plate, the connecting-in pipe is used for being connected to a circulating pipeline of a cooling circulating system, and the main channel and the branch channel are both communicated with the circulating pipeline. A water inlet and a water outlet which are communicated with the branch channel are formed in the side wall of the access pipe, and a second partition plate capable of separating the water inlet from the water outlet is arranged in the branch channel. One end of the water inlet pipe is communicated with the channel inlet of the water-cooling channel, and the other end is communicated with the water inlet; one end of the water outlet pipe is communicated with the channel outlet of the water-cooling channel, and the other end is communicated with the water outlet. The heat dissipation assembly has the advantages of being small in size and high in heat dissipation efficiency, cooling liquid is supplied through a cooling circulation system of the whole vehicle, and cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle heat dissipation, and more specifically to a heat dissipation component, a vehicle lamp and a vehicle. Background Art

[0002] In the context of automobile intelligence, many automakers have also given headlights more functional definitions and introduced new technologies such as Micro LED (micro light-emitting diode) and DLP (Digital Light Processing) to realize the functions of adaptive lighting system (ADB). With the increasing complexity of lighting module technology and the trend of design requirements towards miniaturization and refinement, the heat dissipation requirements for headlight modules are also increasing. At present, a common solution is to install a metal heat sink on the back of the headlight module and rely on natural heat dissipation to ensure the normal operating temperature of the headlight module. However, in order to meet the heat dissipation requirements, the metal heat sink needs to be large enough, which limits the designer's operational space in the context of the design trend of increasingly pursuing miniaturization. In addition, the fin processing requirements of metal heat sinks are high, resulting in relatively high costs. In order to improve the heat dissipation efficiency of the headlight module, some car companies have adopted a complete water-cooled heat dissipation system, including independent radiators and water pumps. Although the heat dissipation efficiency is improved, it also significantly increases the cost.

[0003] Therefore, how to achieve effective heat dissipation of vehicle lights while maintaining low costs has become a technical problem that needs to be urgently solved by those skilled in the art. Utility Model Content

[0004] In view of this, an object of the present invention is to provide a heat dissipation assembly to achieve effective heat dissipation of a vehicle lamp while maintaining low cost.

[0005] Another object of the present invention is to provide a vehicle lamp comprising the above-mentioned heat dissipation assembly.

[0006] Another object of the present utility model is to provide a vehicle comprising the above-mentioned vehicle lamp.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A heat dissipation assembly is used to be arranged on a vehicle, wherein the vehicle is provided with a cooling circulation system and a vehicle lamp, comprising:

[0009] A water cooling plate, provided with a water cooling channel and having a heat exchange surface for heat exchange, the water cooling plate being used to be arranged in the vehicle lamp;

[0010] An access pipe, wherein the access pipe is divided by a first partition to form a main channel and a branch channel which are parallel and independent to each other, the access pipe is used to be connected to the circulation pipeline of the cooling circulation system, and the main channel and the branch channel are both connected to the circulation pipeline of the cooling circulation system, a water inlet and a water outlet connected to the branch channel are provided on the side wall of the access pipe, a second partition is provided in the branch channel, and the second partition separates the water inlet and the water outlet;

[0011] A water inlet pipe, one end of which is connected to the channel inlet of the water cooling channel, and the other end of which is connected to the water inlet;

[0012] A water outlet pipe, one end of which is connected to the channel outlet of the water cooling channel, and the other end of which is connected to the water outlet.

[0013] Optionally, in the above-mentioned heat dissipation assembly, the water cooling plate includes a bottom plate and a cover plate, and the bottom plate and the cover plate are connected to form the water cooling channel.

[0014] Optionally, in the above-mentioned heat dissipation assembly, the cover plate is provided with a first upper clamping groove and a second upper clamping groove, and the bottom plate is provided with a first lower clamping groove and a second lower clamping groove, the first upper clamping groove and the first lower clamping groove are correspondingly arranged and form a first clamping groove for clamping the water inlet pipe, and the second upper clamping groove and the second lower clamping groove are correspondingly arranged and form a second clamping groove for clamping the water outlet pipe.

[0015] Optionally, in the above heat dissipation assembly, a positioning groove is provided on one of the cover plate and the base plate, and a positioning protrusion for embedding in the positioning groove is provided on the other one.

[0016] Optionally, in the above heat dissipation assembly, the cover plate is connected to the base plate by welding; or,

[0017] A sealing member is tightly arranged between the cover plate and the bottom plate, and the cover plate and the bottom plate are connected with bolts.

[0018] Optionally, in the above heat dissipation assembly, the channel inlet and the channel outlet are arranged at one end of the water cooling plate; or,

[0019] The channel inlet and the channel outlet are arranged on a side of the water cooling plate facing away from the heat exchange surface.

[0020] Optionally, in the above-mentioned heat dissipation assembly, a water inlet joint and a water outlet joint respectively connected to the water inlet and the water outlet are welded on the outer wall of the access pipe, the water inlet pipe is connected to the water inlet through the water inlet joint, and the water outlet pipe is connected to the water outlet through the water outlet joint.

[0021] Optionally, in the above-mentioned heat dissipation assembly, a control valve is provided on the access pipe, and the control valve is used to control the connection and cutoff between the sub-channel and the circulation pipeline of the cooling circulation system.

[0022] A vehicle lamp comprises a housing, a light-emitting unit and the above-mentioned heat dissipation assembly;

[0023] The light emitting unit and the heat dissipation assembly are both arranged in the shell, and the light emitting unit is arranged on the heat exchange surface, and the access pipe is arranged outside the shell.

[0024] A vehicle comprises a refrigeration unit, a cooling circulation system and the above-mentioned vehicle lamp;

[0025] The refrigeration unit is used to refrigerate the coolant in the circulation pipeline of the cooling circulation system, and the access pipe is connected to the circulation pipeline of the cooling circulation system.

[0026] Optionally, in the above-mentioned vehicle, an electronic water pump is provided on the circulation pipeline of the cooling circulation system.

[0027] The heat dissipation assembly provided by the utility model includes a water-cooling plate, an access pipe, a water inlet pipe and a water outlet pipe. The water-cooling plate is provided with a water-cooling channel and has a heat exchange surface for heat exchange. The water-cooling plate is used to be arranged in a car lamp, and the heat exchange surface can cool and dissipate heat for the car lamp. The access pipe is divided by a first partition to form a main channel and a branch channel that are parallel and independent to each other. The access pipe is used to be connected to the circulation pipeline of the cooling circulation system, and the main channel and the branch channel are both connected to the circulation pipeline of the cooling circulation system, wherein the main channel is used as a pipeline for the coolant in the cooling circulation system to circulate directly through. A water inlet and a water outlet connected to the branch channel are provided on the side wall of the access pipe. A second partition is provided in the branch channel, and the second partition can separate the water inlet and the water outlet. After the coolant flows into the branch channel, the second partition can prevent the coolant from directly flowing from one end of the branch channel where the water inlet is provided to the other end where the water outlet is provided. One end of the water inlet pipe is connected to the channel inlet of the water cooling channel, and the other end is connected to the water inlet; one end of the water outlet pipe is connected to the channel outlet of the water cooling channel, and the other end is connected to the water outlet.

[0028] When the coolant of the cooling circulation system flows through the access pipe, the coolant is divided into two paths. One path flows directly through the access pipe along the main channel and circulates the cooling circulation system. The other path enters the branch channel and enters the water inlet pipe from the water inlet, and then enters the water cooling channel of the water cooling plate along the water inlet pipe. After the coolant exchanges heat with the light-emitting unit of the headlight at the heat exchange surface, it enters the water outlet pipe and flows into the branch channel from the water outlet to continue circulating. Compared with the prior art, the heat dissipation component provided by the utility model has the advantages of small size and high heat dissipation efficiency, and uses the cooling circulation system of the whole vehicle to supply the coolant, reducing the production cost.

[0029] The vehicle lamp provided by the utility model includes the above-mentioned heat dissipation assembly, a shell and a light-emitting unit. The light-emitting unit and the heat dissipation assembly are both arranged in the shell, and the light-emitting unit is arranged on the heat exchange surface. The flow of coolant in the liquid cooling channel can take away the heat of the light-emitting unit. The access pipe is arranged outside the shell and docked with the circulation pipeline of the cooling circulation system on the vehicle. The vehicle provided by the utility model includes a refrigeration unit, a cooling circulation system and the above-mentioned vehicle lamp. The refrigeration unit cools the coolant in the cooling circulation system, and the access pipe is used to connect to the circulation pipeline of the cooling circulation system. Since the vehicle lamp and vehicle provided by the utility model have the above-mentioned heat dissipation assembly, they also have the above-mentioned beneficial effects, which will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] 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 work.

[0031] Figure 1 It is a schematic diagram of the overall structure of the heat dissipation assembly disclosed in the embodiment of the utility model;

[0032] Figure 2 A partial structural schematic diagram of a heat dissipation assembly disclosed in an embodiment of the utility model;

[0033] Figure 3 for Figure 2 Exploded diagram of

[0034] Figure 4 A flow simulation diagram of the coolant inside the heat dissipation component disclosed in the embodiment of the utility model;

[0035] Figure 5 The present invention is a schematic diagram of cooling a vehicle disclosed in an embodiment of the present utility model.

[0036] Among them, 100 is a water cooling plate, 110 is a cover plate, 111 is a positioning groove, 120 is a bottom plate, 121 is a positioning protrusion, 122 is a second lower pressing groove, and 123 is a fixing hole;

[0037] 200 is a water inlet pipe;

[0038] 300 is the water outlet pipe;

[0039] 400 is the first partition, 401 is the main channel, and 402 is the branch channel. DETAILED DESCRIPTION

[0040] The core of the utility model is to disclose a heat dissipation component to achieve effective heat dissipation of a vehicle lamp while maintaining low cost.

[0041] Another core of the utility model is to disclose a vehicle lamp including the above-mentioned heat dissipation assembly.

[0042] Another core of the utility model is to disclose a vehicle comprising the above-mentioned vehicle lamp.

[0043] The following is an explanation of the embodiments with reference to the accompanying drawings. In addition, the embodiments shown below do not limit the contents of the utility model described in the claims. In addition, the entire contents of the structures represented by the following embodiments are not limited to those necessary as solutions of the utility model described in the claims. It should be noted that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings. In the absence of conflict, the embodiments in the utility model and the features in the embodiments can be combined with each other.

[0044] Combination Figure 1-Figure 5 The heat dissipation assembly disclosed in the embodiment of the utility model is used to be arranged on a vehicle, and a cooling circulation system and a headlight are arranged on the vehicle. The heat dissipation assembly includes a water cooling plate 100, an access pipe, a water inlet pipe 200 and a water outlet pipe 300. The water cooling plate 100 is provided with a water cooling channel and a heat exchange surface for heat exchange. The water cooling plate 100 is used to be arranged in the headlight, and the heat exchange surface can cool and dissipate heat for the headlight. The access pipe is divided by the first partition 400 to form a main channel 401 and a branch channel 402 which are parallel and independent to each other. The access pipe is used to access the circulation pipeline of the cooling circulation system, and the main channel 401 and the branch channel 402 are both connected to the circulation pipeline of the cooling circulation system, wherein the main channel 401 is used as a pipeline for the coolant in the cooling circulation system to circulate directly through, and a water inlet and a water outlet connected to the branch channel 402 are provided on the side wall of the access pipe, and a second partition is provided in the branch channel 402, and the second partition can separate the water inlet and the water outlet. After the coolant flows into the branch channel 402, the second partition can prevent the coolant from directly flowing from one end of the branch channel 402 with the water inlet to the other end with the water outlet. One end of the water inlet pipe 200 is connected to the channel inlet of the water cooling channel, and the other end is connected to the water inlet; one end of the water outlet pipe 300 is connected to the channel outlet of the water cooling channel, and the other end is connected to the water outlet.

[0045] When the coolant of the cooling circulation system flows through the access pipe, the coolant is divided into two paths. One path flows directly through the access pipe along the main channel 401 and circulates the cooling circulation system. The other path enters the branch channel 402 and enters the water inlet pipe 200 from the water inlet, and then enters the water cooling channel of the water cooling plate 100 along the water inlet pipe 200. After the coolant exchanges heat with the light-emitting unit of the car lamp at the heat exchange surface, it enters the water outlet pipe 300 and flows into the branch channel 402 from the water outlet to continue circulating.

[0046] Compared with the prior art, the heat dissipation assembly disclosed in the utility model has the following advantages:

[0047] (1) Compared with metal heat sinks, the overall volume is smaller, which greatly reduces the size of parts and caters to the limited design space inside the car lamp.

[0048] (2) The heat dissipation efficiency is improved by replacing air cooling with water cooling.

[0049] (3) The heat dissipation component is connected to the cooling circulation system of the whole vehicle through the access pipe to realize the heat dissipation of the headlights and share the resources of the whole vehicle, avoiding the increase in cost and space occupation caused by the additional arrangement of components such as water pumps, and reducing the heat dissipation cost of the headlights.

[0050] In addition, a control valve (not shown in the figure) may be provided on the access pipe, and the control valve is used to control the connection and cutoff between the sub-channel 402 and the circulation pipeline of the cooling circulation system, that is, the control valve may control whether the sub-channel 402 is connected to the cooling circulation system. The control valve is usually an electronic valve, and may be provided at one end of the sub-channel 402 provided with a water inlet or one end provided with a water outlet.

[0051] Combination Figure 3 The water cooling plate 100 includes a bottom plate 120 and a cover plate 110, which are connected to form a water cooling channel. The specific shape of the water cooling channel can be designed according to actual conditions, for example, it can be designed as a serpentine channel.

[0052] Specifically, in order to facilitate the connection between the water inlet pipe 200 and the water outlet pipe 300 and the water cooling plate 100, a first upper clamping groove and a second upper clamping groove are provided on the cover plate 110, and a first lower clamping groove and a second lower clamping groove 122 are provided on the bottom plate 120. The first upper clamping groove and the first lower clamping groove are correspondingly arranged to form a first clamping groove that can clamp the water inlet pipe 200, and the second upper clamping groove and the second lower clamping groove 122 are correspondingly arranged to form a second clamping groove that can clamp the water outlet pipe 300.

[0053] The bottom plate 120 and the cover plate 110 can be an integrated structure or a split structure. When the structure is an integrated structure, the cover plate 110 and the bottom plate 120 can be welded together; when the structure is a split structure, a seal is tightly arranged between the cover plate 110 and the bottom plate 120, and the cover plate 110 and the bottom plate 120 are bolted together. Figure 3 Corresponding fixing holes 123 are provided on the base plate 120 and the cover plate 110 for bolt connection.

[0054] When the cover plate 110 and the bottom plate 120 are of a split structure, in order to facilitate the positioning of the cover plate 110 and the bottom plate 120, one of the cover plate 110 and the bottom plate 120 is provided with a positioning groove 111, and the other is provided with a positioning protrusion 121 for being embedded in the positioning groove 111. Figure 3 , the figure shows a solution in which a positioning groove 111 is provided on the cover plate and a positioning protrusion 121 is provided on the bottom plate 120.

[0055] Combination Figure 2 , the channel inlet and the channel outlet can be arranged at one end of the water-cooled plate 100, and the corresponding water inlet pipe 200 and the water outlet pipe 300 are arranged at one end of the water-cooled plate 100, and the water inlet pipe 200 and the water outlet pipe 300 and the water-cooled plate 100 can be arranged on the same plane. Alternatively, the channel inlet and the channel outlet can be arranged on the side of the water-cooled plate 100 that is away from the heat exchange surface, and the corresponding water inlet pipe 200 and the water outlet pipe 300 are arranged on the side of the water-cooled plate 100 that is away from the heat exchange surface, that is, the water inlet pipe 200 and the water outlet pipe 300 can be arranged vertically with the water-cooled plate 100 to avoid affecting the heat exchange between the heat exchange surface and the light-emitting unit in the lamp.

[0056] To facilitate the connection between the access pipe and the water inlet pipe 200 and the water outlet pipe 300, an inlet joint (not shown in the figure) and a water outlet joint (not shown in the figure) which are respectively connected to the water inlet and the water outlet are welded on the outer wall of the access pipe. The water inlet pipe 200 is connected to the water inlet through the water inlet joint, and the water outlet pipe 300 is connected to the water outlet through the water outlet joint.

[0057] Specifically, the water inlet pipe 200 and the water inlet joint can be connected by threaded connection, fixing clamps, etc., and sealed by a seal, and the water outlet pipe 300 and the water outlet joint can be connected by threaded connection, fixing clamps, etc., and sealed by a seal.

[0058] The water inlet pipe 200 and the water outlet pipe 300 are preferably flexible pipes such as corrugated pipes, which can be easily adapted to the complex layout inside the vehicle lamp.

[0059] The vehicle lamp disclosed in the utility model comprises the above-mentioned heat dissipation assembly, a housing and a light-emitting unit. The light-emitting unit and the heat dissipation assembly are both arranged in the housing, and the light-emitting unit is arranged on the heat exchange surface. The flow of the coolant in the liquid cooling channel can take away the heat of the light-emitting unit. The access pipe is arranged outside the housing and docked with the circulation pipeline of the cooling circulation system on the vehicle. Due to the above-mentioned heat dissipation assembly, the above-mentioned beneficial effects are also achieved, which will not be repeated here.

[0060] The circuit board of the light-emitting unit can be in direct contact with the heat exchange surface or filled with thermal conductive material to reduce air thermal resistance and improve heat exchange efficiency. The light-emitting unit and the water-cooling plate 100 can be fixed to the housing by bolt connection.

[0061] The vehicle disclosed in the utility model comprises a refrigeration unit, a cooling circulation system and the above-mentioned vehicle lamp. The refrigeration unit refrigerates the coolant in the cooling circulation system, and the access pipe is used for accessing the circulation pipeline of the cooling circulation system.

[0062] Among them, the refrigeration unit includes a compressor, a condenser, an exchanger, pipelines and other components, the cooling circulation system includes a power battery, a heater, a circulation pipeline and other components, the refrigeration unit and the cooling circulation system exchange heat through the cooling unit, and the specific operating principles and connection relationships of each component are existing technologies and will not be repeated here.

[0063] Combination Figure 5 The cooling circulation system has an electronic water pump installed on its circulation pipeline. The electronic water pump can control the start of the cooling circulation system. When the lights are turned on, even if the vehicle is not started, the cooling circulation system can still be started by the electronic water pump to exchange heat for the lights.

[0064] In addition, the flow of coolant in the cooling circulation system can be controlled by the electronic water pump. When the lights are turned on, the electronic water pump can provide the minimum coolant flow required for the heat dissipation of the lights to reduce the power consumption of the cooling circulation system.

[0065] The above description of the disclosed embodiments enables professionals and technicians in the field to implement or use the utility model. Various modifications to these embodiments will be obvious to professionals and technicians in the field, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. The specific technical means in some embodiments can be combined in part or in whole into another embodiment without being explicitly excluded by another embodiment. Therefore, the utility model will not be limited to the embodiments shown in this article, but will conform to the widest range consistent with the principles and novel features disclosed herein.

Claims

1. A heat dissipation assembly, used to be arranged on a vehicle, wherein the vehicle is provided with a cooling circulation system and a vehicle lamp, characterized in that: include: A water cooling plate (100) is provided with a water cooling channel and has a heat exchange surface for heat exchange, the water cooling plate (100) being used to be arranged in the vehicle lamp; An access pipe, the access pipe is divided by a first partition (400) into a main channel (401) and a branch channel (402) which are parallel and independent to each other, the access pipe is used to be connected to the circulation pipeline of the cooling circulation system, and the main channel (401) and the branch channel (402) are both connected to the circulation pipeline of the cooling circulation system, a water inlet and a water outlet connected to the branch channel (402) are provided on the side wall of the access pipe, and a second partition is provided in the branch channel (402), and the second partition separates the water inlet and the water outlet; A water inlet pipe (200), one end of the water inlet pipe (200) being in communication with the channel inlet of the water cooling channel, and the other end of the water inlet being in communication with the water inlet; A water outlet pipe (300), one end of the water outlet pipe (300) being in communication with the channel outlet of the water cooling channel, and the other end of the water outlet being in communication with the water outlet.

2. The heat dissipation assembly according to claim 1, characterized in that: The water cooling plate (100) comprises a bottom plate (120) and a cover plate (110); the bottom plate (120) and the cover plate (110) are connected to form the water cooling channel.

3. The heat dissipation assembly according to claim 2, characterized in that: The cover plate (110) is provided with a first upper clamping groove and a second upper clamping groove, and the bottom plate (120) is provided with a first lower clamping groove and a second lower clamping groove (122), the first upper clamping groove and the first lower clamping groove being arranged correspondingly and forming a first clamping groove for clamping the water inlet pipe (200), and the second upper clamping groove and the second lower clamping groove (122) being arranged correspondingly and forming a second clamping groove for clamping the water outlet pipe (300).

4. The heat dissipation assembly according to claim 3, characterized in that: One of the cover plate (110) and the bottom plate (120) is provided with a positioning groove (111), and the other is provided with a positioning protrusion (121) for embedding into the positioning groove (111).

5. The heat dissipation assembly according to claim 3, characterized in that: The cover plate (110) is connected to the bottom plate (120) by welding; or, A sealing member is tightly arranged between the cover plate (110) and the bottom plate (120), and the cover plate (110) and the bottom plate (120) are connected by bolts.

6. The heat dissipation assembly according to claim 1, wherein: The channel inlet and the channel outlet are arranged at one end of the water cooling plate (100); or, The channel inlet and the channel outlet are arranged on a side of the water cooling plate (100) facing away from the heat exchange surface.

7. The heat dissipation assembly according to claim 1, characterized in that: A water inlet joint and a water outlet joint respectively connected to the water inlet and the water outlet are welded on the outer wall of the access pipe; the water inlet pipe (200) is connected to the water inlet via the water inlet joint, and the water outlet pipe (300) is connected to the water outlet via the water outlet joint.

8. The heat dissipation assembly according to claim 1, wherein: The access pipe is provided with a control valve, and the control valve is used to control the connection and cutoff between the branch channel (402) and the circulation pipeline of the cooling circulation system.

9. A vehicle lamp, characterized in that: It comprises a housing, a light-emitting unit and a heat dissipation assembly as claimed in any one of claims 1 to 8; The light emitting unit and the heat dissipation assembly are both arranged in the shell, and the light emitting unit is arranged on the heat exchange surface, and the access pipe is arranged outside the shell.

10. A vehicle, characterized in that: comprising a refrigeration unit, a cooling circulation system and the vehicle lamp as claimed in claim 9; The refrigeration unit is used to refrigerate the coolant in the circulation pipeline of the cooling circulation system, and the access pipe is connected to the circulation pipeline of the cooling circulation system.

11. The vehicle according to claim 10, characterized in that An electronic water pump is arranged on the circulation pipeline of the cooling circulation system.

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