Automobile battery pack liquid cooling plate

Abstract

The utility model discloses an automobile battery pack liquid cooling plate, which is characterized in that a liquid cooling plate body is provided with an accommodating cavity used for installing an automobile battery pack, the side walls of two liquid cooling plate bodies on one side of the accommodating cavity are respectively provided with a first flow channel cavity, the two first flow channel cavities are communicated and connected, and the first flow channel cavities are filled with a cooling medium used for flowing cooling. A plurality of raised positioning parts are arranged on the inner wall of the accommodating cavity, a plurality of cooling towers are arranged in the positioning parts, the cooling towers are in through connection with the first flow channel cavity, a water diversion baffle sheet is inserted in each cooling tower, a groove part is formed in one side of each raised positioning part, and a heat-conducting silica gel sheet attached to the bottom surface of the accommodating cavity is arranged in each groove part; according to the utility model, the raised positioning part is arranged in the accommodating cavity to position the automobile battery pack, so that the stability of battery installation is improved; the flow channel cavity used for heat dissipation is formed, and heat generated during operation of the automobile battery is taken away by filling the flowing cooling medium, so that the working efficiency of the battery pack is improved, and the service life of the battery pack is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid cooling plates, in particular to a liquid cooling plate for an automobile battery pack. Background Art

[0002] The automotive battery pack liquid cold plate is an important component for managing the temperature of electric vehicle batteries. It is usually made of aluminum or copper and has a complex pipe structure for circulating coolant to control the operating temperature of the battery. The liquid cold plate effectively absorbs and disperses the heat generated by the battery by flowing the coolant (usually water or coolant) through the pipes in the battery pack. This cooling system can prevent the battery from overheating, extend the battery life, and improve the performance and safety of the battery. The liquid cold plate is also able to maintain the stability of the battery under extreme temperature conditions to ensure that the vehicle can operate normally in various environments. Since the charging and discharging process of electric vehicles generates a lot of heat, the liquid cold plate plays a vital role in the design of electric vehicles and is one of the key components to ensure the performance and safety of electric vehicles.

[0003] The existing automotive battery pack liquid cooling plate lacks a positioning portion for installing the automotive battery pack during design and use, which causes the automotive battery pack to shift and shake therein. In addition, the design of the liquid cooling plate is relatively complex and requires precise manufacturing and assembly processes, which increases manufacturing costs and assembly complexity. There is also a phenomenon of uneven battery overheating temperature, which affects the operation and service life of the automotive battery. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the existing automobile battery pack liquid cooling plate lacks a positioning portion for installing the automobile battery pack during design and use, so that the automobile battery pack will shift and shake therein; in addition, the design of the liquid cooling plate is relatively complex, requiring precise manufacturing and assembly processes, which increases the manufacturing cost and assembly complexity; there is also a phenomenon of uneven battery overheating temperature, which affects the operation and service life of the automobile battery.

[0005] The utility model achieves the above-mentioned purpose through the following technical scheme: provides a liquid cooling plate for a vehicle battery pack, comprising a liquid cooling plate body, a receiving cavity for installing a vehicle battery pack is provided on the liquid cooling plate body, first flow channel cavities are respectively provided in the side walls of the two liquid cooling plate bodies on one side of the receiving cavity, the two first flow channel cavities are through-connected, the first flow channel cavities are filled with a cooling medium for flow cooling, a plurality of raised positioning parts are arranged on the inner wall of the receiving cavity, a plurality of cooling towers are arranged in the positioning parts, the cooling towers are through-connected with the first flow channel cavities, a water dividing baffle is inserted in each of the cooling towers, one side of each raised positioning part is a groove part, and a heat-conducting silicone sheet that fits the bottom surface of the receiving cavity is arranged in each of the groove parts.

[0006] Furthermore, the connecting pipelines of the two first flow channel cavities are sealed by installing a first water stopper.

[0007] Furthermore, each of the cooling towers is provided with a water dividing baffle, the height of the water dividing baffle is lower than the height of the cooling tower, and the water retaining surface of each of the water dividing baffle is perpendicular to the flow direction of the cooling medium in the first flow channel cavity.

[0008] Furthermore, a second water stopper is installed at the bottom of each cooling tower for sealing, and the bottom surface of the water dividing baffle is tightly fitted with the top surface of the second water stopper to prevent water leakage.

[0009] Furthermore, a second flow channel cavity is opened at the bottom of the liquid cooling plate body, and the second flow channel cavity is located below the accommodating cavity.

[0010] Furthermore, a sink groove is provided on the bottom surface of the accommodating cavity, and the sink groove is communicated with the groove portion to cooperate with the installation of a heat-conducting silicone sheet.

[0011] Furthermore, the diameter of the cooling tower is greater than the diameter of the first flow channel cavity, the first flow channel cavity and the second flow channel cavity are both provided with a water inlet and a water outlet, and the water inlet and the water outlet are both provided with water nozzles.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. A receiving cavity for installing the battery is provided on the liquid cooling plate of the automobile battery pack, and a raised positioning portion is provided in the receiving cavity to position the automobile battery pack, thereby improving the stability of battery installation; in addition, flow channel cavities for heat dissipation are provided in the two side walls and the bottom of the liquid cooling plate body, and the heat generated by the operation of the automobile battery is taken away by filling with flowing cooling medium, thereby improving the working efficiency and life of the battery pack.

[0014] 2. By arranging a cooling tower in the positioning part, and the cooling tower is connected with the first flow channel cavity, and the arrangement of a water dividing baffle in the cooling tower can divert the cooling medium, increase the cooling effect, and ensure that the entire battery pack is evenly cooled.

[0015] 3. The thermally conductive silicone sheet is arranged in the groove and the sink to play a heat conductive role, which helps to quickly conduct the heat generated by the battery pack to the first flow channel cavity and the second flow channel cavity of the liquid cooling plate body, thereby improving the cooling efficiency.

[0016] 4. The connecting pipeline of the first flow channel cavity is sealed by the first water stopper, and the bottom of the second flow channel cavity is sealed by the second water stopper, which effectively prevents the leakage of the cooling medium and ensures the safety of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a top view of the utility model;

[0019] Figure 3 for Figure 2 Sectional view of AA in the middle;

[0020] Figure 4 It is a schematic diagram of the utility model;

[0021] Figure 5 It is a cross-sectional view of the cooling tower in the utility model;

[0022] Figure 6 It is a cross-sectional view of the second flow channel cavity in the utility model;

[0023] Figure 7 This is a waterway diagram of the flow channel cavity in the utility model.

[0024] In the figure: 1-liquid cooling plate body, 2-accommodating cavity, 3-first flow channel cavity, 4-positioning part, 5-cooling tower, 6-water dividing baffle, 7-groove part, 8-thermal conductive silicone sheet, 9-first water stopper, 10-second water stopper, 11-second flow channel cavity, 12-sink, 13-water nozzle. DETAILED DESCRIPTION

[0025] 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.

[0026] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0027] Combination Figures 1 to 7A liquid cooling plate for a vehicle battery pack shown in the figure comprises a liquid cooling plate body 1, a receiving cavity 2 for installing a vehicle battery pack is provided on the liquid cooling plate body 1, first flow channel cavities 3 are respectively provided in the side walls of two liquid cooling plate bodies 1 on one side of the receiving cavity 2, the two first flow channel cavities 3 are connected through, the first flow channel cavities 3 are filled with a cooling medium for flow cooling, a plurality of raised positioning parts 4 are provided on the inner wall of the receiving cavity 2, a plurality of cooling towers 5 are provided in the positioning parts 4, the cooling towers 5 are connected through, a water dividing baffle 6 is inserted in each cooling tower 5, one side of each raised positioning part 4 is a groove part 7, and a heat conductive silicone sheet 8 that fits the bottom surface of the receiving cavity 2 is provided in each groove part 7;

[0028] Among them, the connecting pipelines of the two first flow channel cavities 3 are sealed by installing a first water stopper 9; a water dividing baffle 6 is inserted in each cooling tower 5, the height of the water dividing baffle 6 is lower than the height of the cooling tower 5, and the water retaining surface of each water dividing baffle 6 is perpendicular to the flow direction of the cooling medium in the first flow channel cavity 3; a second water stopper 10 is installed at the bottom of each cooling tower 5 for sealing, and the bottom surface of the water dividing baffle 6 is tightly fitted with the top surface of the second water stopper 10 to prevent water leakage; a second flow channel cavity 11 is opened at the bottom of the liquid cooling plate body 1, and the second flow channel cavity 11 is located below the accommodating cavity 2; a sink 12 is opened on the bottom surface of the accommodating cavity 2, and the sink 12 is connected to the groove part 7 to cooperate with the installation of a thermal conductive silicone sheet 8; the diameter of the cooling tower 5 is larger than the diameter of the first flow channel cavity 3, and the first flow channel cavity 3 and the second flow channel cavity 11 are both provided with a water inlet and a water outlet, and a water nozzle 13 is installed at the water inlet and the water outlet.

[0029] Working principle: When in use, the automobile battery pack is fixed and installed in the accommodating cavity 2, and the position of the battery pack is stabilized by the positioning part 4, and then the cooling medium is filled into the first flow channel cavity 3 and the second flow channel cavity 11 through the water nozzle 13, wherein the cooling medium can be cold water or a mixture of water and ethylene glycol, and the cooling medium enters from the water inlet, takes away the heat generated by the automobile battery pack and flows out from the water outlet to dissipate heat; wherein, when the cooling medium in the first flow channel cavity 3 flows to the cooling tower 5, it is blocked by the water dividing baffle 6, and the cooling medium flows from the bottom of the cooling tower 5 to the top of the cooling tower 5, and then flows to the bottom of the cooling tower 5 over the water dividing baffle 6, so that the cooling medium flows in the first flow channel cavity 3 on both sides; and the thermal conductive silicone sheet 8 is arranged in the groove part 7 and the sink 12 to play a heat conductive role, which helps to quickly conduct the heat generated by the battery pack to the first flow channel cavity 3 and the second flow channel cavity 11 of the liquid cooling plate body 1, thereby improving the cooling efficiency.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0031] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A liquid cooling plate for a vehicle battery pack, comprising a liquid cooling plate body (1), characterized in that: The liquid cooling plate body (1) is provided with a receiving cavity (2) for installing a car battery pack, and first flow channel cavities (3) are respectively provided in the side walls of two liquid cooling plate bodies (1) on one side of the receiving cavity (2), and the two first flow channel cavities (3) are connected through, and the first flow channel cavities (3) are filled with a cooling medium for flow cooling, and a plurality of protruding positioning parts (4) are provided on the inner wall of the receiving cavity (2), and a plurality of cooling towers (5) are provided in the positioning parts (4), and the cooling towers (5) are connected through with the first flow channel cavity (3), and a water dividing baffle (6) is inserted in each cooling tower (5), and one side of each protruding positioning part (4) is a groove part (7), and each groove part (7) is provided with a heat conductive silicone sheet (8) that fits the bottom surface of the receiving cavity (2).

2. The automotive battery pack liquid cooling plate according to claim 1, characterized in that: The communicating pipelines of the two first flow channel cavities (3) are sealed by installing a first water stopper (9).

3. The automotive battery pack liquid cooling plate according to claim 2, characterized in that: A water dividing baffle (6) is inserted in each of the cooling towers (5); the height of the water dividing baffle (6) is lower than the height of the cooling tower (5); and the water retaining surface of each of the water dividing baffles (6) is perpendicular to the flow direction of the cooling medium in the first flow channel cavity (3).

4. The automotive battery pack liquid cooling plate according to claim 3, characterized in that: A second water stopper (10) is installed at the bottom of each cooling tower (5) for sealing, and the bottom surface of the water dividing baffle (6) is tightly fitted with the top surface of the second water stopper (10) to prevent water leakage.

5. The automotive battery pack liquid cooling plate according to claim 4, characterized in that: A second flow channel cavity (11) is provided at the bottom of the liquid cooling plate body (1), and the second flow channel cavity (11) is located below the accommodating cavity (2).

6. The automotive battery pack liquid cooling plate according to claim 5, characterized in that: A sink groove (12) is provided on the bottom surface of the accommodating cavity (2), and the sink groove (12) is connected to the groove portion (7) and cooperates with the thermal conductive silicone sheet (8) to be installed.

7. The automotive battery pack liquid cooling plate according to claim 6, characterized in that: The diameter of the cooling tower (5) is greater than the diameter of the first flow channel cavity (3); the first flow channel cavity (3) and the second flow channel cavity (11) are both provided with a water inlet and a water outlet; and water nozzles (13) are both installed at the water inlet and the water outlet.

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