Vehicle-mounted radar heat dissipation structure

Abstract

The utility model discloses a vehicle-mounted radar heat dissipation structure, which comprises a vehicle-mounted radar main body and an external heat dissipation structure, the external heat dissipation structure is bonded and fixed on the vehicle-mounted radar main body, the external heat dissipation structure comprises a heat conduction silica gel sheet and a cooling liquid storage tank, the heat conduction silica gel sheet is provided with heat dissipation fins and a heat dissipation flat tube, and the cooling liquid storage tank is provided with a cooling liquid storage tank. A pump body is mounted on the outer side of the cooling liquid storage tank; the external heat dissipation structure is an external structure and is additionally arranged outside the vehicle-mounted radar main body to achieve heat dissipation of the vehicle-mounted radar main body, the structure of the vehicle-mounted radar main body cannot be damaged, and the internal space structure of the vehicle-mounted radar main body does not need to be changed. The external heat dissipation structure adopts heat conduction silica gel sheet heat dissipation, heat dissipation fin heat dissipation and water cooling heat dissipation to carry out comprehensive heat dissipation on the vehicle-mounted radar main body, and the heat dissipation effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of radar heat dissipation, in particular to a vehicle-mounted radar heat dissipation structure. Background Art

[0002] Vehicle-mounted radar is a radar used in cars or other ground motor vehicles. It is a common accessory on vehicles and can be used to assist parking, cruising, etc. It avoids the trouble of drivers having to look around when parking, reversing and starting the vehicle, eliminates defects such as blind spots and blurred vision, improves driving safety, and plays a vital role in the vehicle's driving safety.

[0003] The shell of the vehicle-mounted radar is a closed structure. A large number of optical, electronic and mechanical components are integrated inside the vehicle-mounted radar. It is an optoelectronic integrated sensing device with high integration and high power density. If the heat of the chip inside the vehicle-mounted radar cannot be transferred out in time, it will directly affect the working efficiency of the radar. Due to the limited space for the packaging of the vehicle-mounted radar chip, the heat dissipation performance of the vehicle-mounted radar heat dissipation structure will be limited, and the heat dissipation effect needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a vehicle-mounted radar heat dissipation structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vehicle-mounted radar heat dissipation structure, comprising a vehicle-mounted radar body and an external heat dissipation structure, the external heat dissipation structure is adhesively fixed to the vehicle-mounted radar body, the external heat dissipation structure comprises a thermally conductive silicone sheet and a coolant storage tank, the thermally conductive silicone sheet is provided with heat dissipation fins and heat dissipation flat tubes, and a pump body is installed on the outside of the coolant storage tank.

[0006] Wherein, a liquid inlet pipe is installed at one end of the pump body, and one end of the heat dissipation flat tube is connected to the liquid inlet pipe through a first connector.

[0007] Wherein, a second connector is installed at the other end of the heat dissipation flat tube, the second connector is connected to a return pipe, and the return pipe is connected to a coolant storage tank.

[0008] Wherein, a first thermally conductive adhesive layer is provided on the lower end surface of the thermally conductive silicone sheet, and the thermally conductive silicone sheet is bonded and fixed to the vehicle-mounted radar body through the first thermally conductive adhesive layer.

[0009] Wherein, a second heat-conducting adhesive layer is provided on the lower end surface of the coolant storage tank.

[0010] Wherein, the coolant storage tank is provided with a liquid replenishing port.

[0011] Wherein, a flow channel is arranged inside the heat dissipation flat tube, and the heat dissipation flat tube is arranged in a serpentine structure.

[0012] The plurality of groups of heat dissipation fins are evenly spaced and arranged, and the heat dissipation flat tubes penetrate through the plurality of groups of heat dissipation fins.

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

[0014] 1. The external heat dissipation structure of the utility model is an external structure, which is added to the outside of the vehicle-mounted radar body to achieve heat dissipation of the vehicle-mounted radar body. It will not damage the structure of the vehicle-mounted radar body itself, and there is no need to change the internal space structure of the vehicle-mounted radar body.

[0015] 2. The external heat dissipation structure of the utility model adopts heat-conducting silicone sheet heat dissipation, heat dissipation fin heat dissipation and water cooling to fully dissipate the heat of the vehicle-mounted radar body, and the heat dissipation effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the assembly of the vehicle-mounted radar body and the external heat dissipation structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the external heat dissipation structure of the utility model when viewed from the top;

[0018] Figure 3 It is a schematic diagram of the assembly of the heat-conducting silicone sheet, heat-dissipating fins and heat-dissipating flat tubes of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the heat dissipation flat tube of the utility model.

[0020] In the figure: 1. Vehicle-mounted radar body; 2. External heat dissipation structure; 3. Thermal conductive silicone sheet; 4. Coolant storage tank; 5. Heat dissipation fins; 6. Heat dissipation flat tubes; 7. Pump body; 8. Liquid inlet pipe; 9. First connector; 10. Second connector; 11. Return pipe; 12. First thermal conductive adhesive layer; 13. Second thermal conductive adhesive layer; 14. Liquid filling port. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-4The utility model provides a technical solution: a vehicle-mounted radar heat dissipation structure, including a vehicle-mounted radar body 1 and an external heat dissipation structure 2, the external heat dissipation structure 2 is adhesively fixed to the vehicle-mounted radar body 1, the external heat dissipation structure 2 includes a thermal conductive silicone sheet 3 and a coolant storage tank 4, the thermal conductive silicone sheet 3 is provided with heat dissipation fins 5 and heat dissipation flat tubes 6, a pump body 7 is installed on the outside of the coolant storage tank 4, the external heat dissipation structure 2 is an external structure, which is added to the outside of the vehicle-mounted radar body 1 to achieve heat dissipation of the vehicle-mounted radar body 1, the heat conductive medium material is connected to the shell for heat dissipation, and the external heat dissipation structure 2 will not damage the structure of the vehicle-mounted radar body 1 itself, so there is no need to change the internal space structure of the vehicle-mounted radar body 1.

[0023] Among them, the installation of the external heat dissipation structure 2 is achieved by bonding and fixing the thermal conductive silicone sheet 3 of the external heat dissipation structure 2 on the vehicle-mounted radar body 1, so that the external heat dissipation structure 2 and the vehicle-mounted radar body 1 form a whole. The thermal conductive silicone sheet 3 and the multiple groups of heat dissipation fins 5 have good thermal conductivity and can transfer the heat of the vehicle-mounted radar body 1 to the vehicle body or the surrounding air. At the same time, the pump body 7 works to transport the coolant inside the coolant storage tank 4 to the heat dissipation flat tube 6. The coolant circulates in the heat dissipation flat tube 6, and takes away the internal heat of the vehicle-mounted radar body 1 during the flow process, so as to water-cool the vehicle-mounted radar body 1.

[0024] Among them, the external heat dissipation structure 2 uses thermal conductive silicone sheets 3, heat dissipation fins 5 and water cooling to dissipate heat for the vehicle-mounted radar body 1, so that the vehicle-mounted radar body 1 can maintain a safe operating temperature, ensure the performance and measurement accuracy of the internal components of the vehicle-mounted radar body 1, and extend the service life of the vehicle-mounted radar body 1.

[0025] Among them, a liquid inlet pipe 8 is installed at one end of the pump body 7, and one end of the heat dissipation flat tube 6 is connected to the liquid inlet pipe 8 through a first connector 9. The pump body 7 is a small circulating water pump. When the pump body 7 is working, the coolant inside the coolant storage tank 4 is transported to the heat dissipation flat tube 6 through the liquid inlet pipe 8.

[0026] Among them, a second connector 10 is installed at the other end of the heat dissipation flat tube 6, the second connector 10 is connected to the return pipe 11, the return pipe 11 is connected to the coolant storage tank 4, and the used coolant flows back to the coolant storage tank 4 through the return pipe 11, and the coolant can be recycled.

[0027] Among them, a first thermally conductive adhesive layer 12 is provided on the lower end surface of the thermally conductive silicone sheet 3, and the thermally conductive silicone sheet 3 is bonded and fixed to the vehicle-mounted radar body 1 through the first thermally conductive adhesive layer 12. The vehicle-mounted radar body 1 and the external heat dissipation structure 2 are bonded and fixed, and the connection method is simple. The first thermally conductive adhesive layer 12 has good thermal conductivity, and while fixing the thermally conductive silicone sheet 3, the thermal conductive effect of the thermally conductive silicone sheet 3 is improved.

[0028] The lower end surface of the coolant tank 4 is provided with a second heat-conducting adhesive layer 13 , and the coolant tank 4 is bonded and fixed to the vehicle body through the second heat-conducting adhesive layer 13 , and the connection method is simple.

[0029] The coolant storage tank 4 is provided with a liquid replenishing port 14 , through which the coolant can be replenished into the coolant storage tank 4 .

[0030] Among them, a flow channel is arranged inside the heat dissipation flat tube 6, and the coolant circulates in the flow channel of the heat dissipation flat tube 6. During the flow of the coolant, the internal heat of the vehicle-mounted radar body 1 can be taken away. The heat dissipation flat tube 6 is arranged as a serpentine structure. The serpentine structure extends the length of the heat dissipation flat tube 6 in a limited space and increases the water cooling area.

[0031] The multiple groups of heat dissipation fins 5 are evenly spaced and the heat dissipation flat tubes 6 penetrate the multiple groups of heat dissipation fins 5 . The multiple groups of heat dissipation fins 5 increase the heat exchange area with the surrounding air, thereby improving the heat dissipation efficiency of the external heat dissipation structure 2 .

[0032] Working principle: the external heat dissipation structure 2 is bonded and fixed to the vehicle-mounted radar body 1 through the first thermal conductive adhesive layer 12 on the lower end surface of the thermal conductive silicone sheet 3. The external heat dissipation structure 2 is an external structure and will not damage the structure of the vehicle-mounted radar body 1 itself. There is no need to change the internal space structure of the vehicle-mounted radar body 1. The coolant storage tank 4 is bonded and fixed to the vehicle body through the second thermal conductive adhesive layer 13. The thermal conductive silicone sheet 3 and the multiple groups of heat dissipation fins 5 have good thermal conductivity and can transfer the heat of the vehicle-mounted radar body 1 to the vehicle body or the surrounding air. At the same time, the pump body 7 works to transport the coolant inside the coolant storage tank 4 to the heat dissipation flat tube 6. The coolant circulates in the heat dissipation flat tube 6, and takes away the internal heat of the vehicle-mounted radar body 1 during the flow process, and the vehicle-mounted radar body 1 is water-cooled. The external heat dissipation structure 2 uses the thermal conductive silicone sheet 3 to dissipate heat, the heat dissipation fins 5 to dissipate heat, and water cooling to dissipate the heat of the vehicle-mounted radar body 1.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vehicle-mounted radar heat dissipation structure, comprising a vehicle-mounted radar body (1) and an external heat dissipation structure (2), characterized in that: The external heat dissipation structure (2) is bonded and fixed to the vehicle-mounted radar body (1), and the external heat dissipation structure (2) comprises a heat-conducting silicone sheet (3) and a coolant storage tank (4), the heat-conducting silicone sheet (3) is provided with heat-dissipating fins (5) and heat-dissipating flat tubes (6), and a pump body (7) is installed on the outside of the coolant storage tank (4).

2. The vehicle-mounted radar heat dissipation structure according to claim 1, characterized in that: A liquid inlet pipe (8) is installed at one end of the pump body (7), and one end of the heat dissipation flat tube (6) is connected to the liquid inlet pipe (8) via a first connector (9).

3. The vehicle-mounted radar heat dissipation structure according to claim 1, characterized in that: A second connector (10) is installed at the other end of the heat dissipation flat tube (6), the second connector (10) is connected to a return pipe (11), and the return pipe (11) is connected to a coolant storage tank (4).

4. The vehicle-mounted radar heat dissipation structure according to claim 1, characterized in that: The lower end surface of the thermally conductive silicone sheet (3) is provided with a first thermally conductive adhesive layer (12), and the thermally conductive silicone sheet (3) is bonded and fixed to the vehicle-mounted radar body (1) via the first thermally conductive adhesive layer (12).

5. The vehicle-mounted radar heat dissipation structure according to claim 1, characterized in that: The lower end surface of the cooling liquid storage tank (4) is provided with a second heat-conducting adhesive layer (13).

6. The vehicle-mounted radar heat dissipation structure according to claim 1, characterized in that: The coolant storage tank (4) is provided with a liquid replenishing port (14).

7. The vehicle-mounted radar heat dissipation structure according to claim 1, characterized in that: A flow channel is arranged inside the heat dissipation flat tube (6), and the heat dissipation flat tube (6) is arranged in a serpentine structure.

8. The vehicle-mounted radar heat dissipation structure according to claim 1, characterized in that: The plurality of groups of heat dissipation fins (5) are evenly spaced and arranged, and the heat dissipation flat tubes (6) penetrate the plurality of groups of heat dissipation fins (5).

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