Three-dimensional heat dissipation liquid cooling plate for power battery

Abstract

A three-dimensional heat dissipation liquid cooling plate used for a power battery provided by the present invention comprises a liquid cooling frame, the surfaces of the two sides of the liquid cooling frame are provided with externally embedded groove bodies, the upper surface of the liquid cooling frame is provided with a T-shaped mounting groove, and the surfaces of the two sides of the T-shaped mounting groove are provided with clamping mounting grooves above the liquid cooling frame. And a pressing top cover is arranged above the clamping mounting groove, and a circulating pipeline is arranged on the surface of the externally-embedded groove body, so that the problems that during mounting operation, a plurality of power batteries need to be mounted and fixed, so that when the plurality of batteries break down, the batteries need to be broken down one by one, and the efficiency is low are solved.

Description

Technical Field

[0001] The present invention mainly relates to the field of heat dissipation, and in particular to a three-dimensional heat dissipation liquid cooling plate for a power battery. Background Art

[0002] Due to the rapid development of new energy vehicle technology, electric vehicles and battery charging technology are also developing rapidly. At present, the problem of long charging time for electric vehicles restricts the further development of electric vehicles, so fast charging technology will become more and more important in the future. High-speed fast charging technology will bring huge heat to the battery, which will cause the battery temperature to rise sharply, thus endangering the safety of the battery and other equipment.

[0003] In the utility model patent application with application number CN202221593806.2, application publication date 2022.11.29, and name "A three-dimensional heat dissipation liquid cooling plate for power batteries", it includes a liquid cooling plate body, at least two protrusions are provided on the liquid cooling plate body, and a groove matching the power battery is formed between the two protrusions. The bottom and two side walls of the groove are respectively fitted with the bottom and two side surfaces of the power battery. A cavity for accommodating coolant is provided in the protrusion, and the cavity extends to below the bottom of the groove. The cavities of at least two protrusions are interconnected to form a liquid flow channel, and the liquid flow channel is respectively provided with a liquid inlet and a liquid outlet. The device effectively reduces the temperature gradient difference of the power battery in the height direction by fitting and exchanging heat with the side of the power battery. Therefore, the power battery will not have an excessively high temperature gradient distribution in the height direction, thereby avoiding high temperature phenomenon at the power battery away from the liquid cooling plate.

[0004] The inventor discovered the following defects during the operation of the specific embodiment: When the above-mentioned heat dissipation liquid cooling plate is installed, multiple power batteries need to be installed and fixed. This results in that when multiple batteries fail, the batteries need to be repaired one by one, which is inefficient. Summary of the invention

[0005] 1. Technical problem to be solved by the invention: The present invention provides a three-dimensional heat dissipation liquid cooling plate for a power battery, which is used to solve the technical problems existing in the above-mentioned background technology.

[0006] 2. Technical solution: In order to achieve the above-mentioned purpose, the technical solution provided by the present invention is: a three-dimensional heat dissipation liquid cooling plate for a power battery, comprising a liquid cooling frame, external embedded groove bodies are arranged on the two side surfaces of the liquid cooling frame, a "T"-shaped mounting groove is arranged on the upper surface of the liquid cooling frame, clamping mounting grooves are arranged on the two side surfaces of the "T"-shaped mounting groove above the liquid cooling frame, a pressing top cover is arranged above the clamping mounting groove, and a circulation pipe is arranged on the surface of the external embedded groove body.

[0007] Furthermore, the clamping installation grooves are provided with a plurality of them on both sides of the "T"-shaped installation groove, and the circulation pipes are provided with two sets, which are used for heat dissipation and winter heating respectively.

[0008] Furthermore, the liquid cooling rack includes a supporting frame body, a spring pressing hole is provided on the inner surface of the "T"-shaped mounting groove, flip buckle plates are provided on both sides of the supporting frame body, a suspended groove is provided below the supporting frame body, a flip groove is provided on the bottom surface of the "T"-shaped mounting groove and the clamping mounting groove, a pressing rotating shaft is provided on the surface below the flip groove, a pressing tilting block is provided on the surface of the pressing rotating shaft, a flip clamping block is provided on one side of the pressing tilting block on the surface of the pressing rotating shaft, a protective pad is provided on the surface of the flip clamping block, and torque springs are sleeved and connected to the surfaces of both sides of the pressing rotating shaft.

[0009] Furthermore, a circulation pipe is arranged under the suspended groove, and the flip buckle plates are arranged on both sides of the upper end of the supporting frame. The flip clamping block is rotated by pressing the tilting block, and when the pressing tilting block is in the original state, it is located on the surface of the flip groove. The pressing rotation shaft forms a rotation reset structure through a torque spring, and the flip buckle plates form a rotating structure on both sides of the supporting frame.

[0010] Furthermore, the pressing top cover includes a pressing plate, a rubber clamp is arranged below the pressing plate, a pressing rod is arranged below the rubber clamp, side panels are arranged on both sides of the pressing plate, a power cord installation groove is arranged on the surface of the side panel, and limiting buckle grooves are arranged on both side surfaces of the side panels.

[0011] Furthermore, the pressing rod is movably connected to the spring pressing hole, and the pressing plate forms an elastic structure above the liquid cooling rack through the spring pressing hole, and the pressing plate is installed on the top of the liquid cooling rack through the engagement connection between the limiting buckle groove and the flip buckle plate.

[0012] Furthermore, the circulation pipeline includes a side liquid cooling pipeline, a liquid inlet pipeline is arranged below the side liquid cooling pipeline, and an internal temperature control tank is arranged inside the bottom of the support frame, a "U"-shaped pipeline is arranged inside the internal temperature control tank, and a liquid outlet pipe is arranged on the other side of the support frame.

[0013] Furthermore, the "U"-shaped pipe is interconnected with the side liquid cooling pipe, and there are several "U"-shaped pipes, which are respectively arranged on the surface of the inner temperature control tank and interconnected.

[0014] 3. Beneficial effects: The present invention has a reasonable design and when installing the power battery panel, firstly, multiple power batteries are placed on the surface of the clamping and mounting grooves and arranged in sequence, and at the same time, a single power battery panel is placed on the surface of the "T"-shaped mounting groove, so that the single power battery panel is against the top of the pressing tilting block, and the pressing rod under the pressing top cover is aligned with the spring pressing hole below for installation, so that the rubber clamp is engaged and connected with the top of the power battery panel, and under the action of the "T"-shaped mounting groove, the power battery panel is tightened and fixed, and at the same time, the pressing tilting block is pressed to rotate inside the flip groove, and at the same time, the flip groove drives the pressing rotating shaft and the flip clamping block to flip, so that the flip clamping block clamps and fixes the power battery panel on the surface of the clamping and mounting groove, and at the same time, continues to press and press the pressing top cover, and when pressed to the upper end surface of the support frame, the flip buckle plate is rotated to make the flip buckle plate embedded in the limiting buckle groove, and under the action of the spring inside the spring pressing hole, the pressing top cover is installed on the surface of the liquid cooling frame, thereby achieving the purpose of installing multiple power batteries at the same time. When heat dissipation is performed, the refrigerant enters the side liquid cooling pipe through the liquid inlet pipe, then enters the "U"-shaped pipe, and is finally discharged through the liquid outlet pipe. In this process, the side liquid cooling pipe is used to cool down both sides of the support frame, and the position between the power batteries is cooled by the "U"-shaped pipe between the clamping installation groove and the "T"-shaped installation groove, thereby achieving the purpose of cooling down the power batteries. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the liquid cooling rack of the present invention; Figure 3 For the present invention Figure 2 Schematic diagram of A in the figure; Figure 4 It is a schematic diagram of the pressing rotation axis of the present invention; Figure 5 It is a three-dimensional schematic diagram of the pressing top cover of the present invention; Figure 6 This is a schematic plan view of a power battery circulation pipeline of the present invention; Figure 7 It is a schematic diagram of the liquid cooling pipeline on the side of the present invention.

[0016] Reference numerals: 1. Liquid cooling rack; 101. Support frame; 102. Spring pressing hole; 103. Flip buckle plate; 104. Suspension slot; 105. Flip slot; 106. Pressing rotating shaft; 107. Pressing tilting block; 108. Flip clamping block; 109. Protective pad; 110. Torque spring; 2. External embedded slot; 3. "T" type mounting slot; 4. Clamping mounting slot; 5. Pressing top cover; 501. Pressing plate; 502. Rubber splint; 503. Pressing rod; 504. Side panel; 505. Power cord mounting slot; 506. Limit buckle slot; 6. Circulation pipe; 601. Side liquid cooling pipe; 602. Liquid inlet pipe; 603. Internal temperature control tank; 604. "U" type pipe; 605. Liquid outlet pipe. DETAILED DESCRIPTION

[0017] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0018] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are 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 limiting the present invention.

[0019] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0020] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example

[0021] See attached Figure 1-7 , including a liquid cooling frame 1, externally embedded slots 2 are arranged on both side surfaces of the liquid cooling frame 1, a "T"-shaped mounting slot 3 is arranged on the upper surface of the liquid cooling frame 1, clamping mounting slots 4 are arranged on both side surfaces of the "T"-shaped mounting slot 3 above the liquid cooling frame 1, a pressing top cover 5 is arranged above the clamping mounting slot 4, a circulation pipe 6 is arranged on the surface of the externally embedded slot 2, a plurality of clamping mounting slots 4 are arranged on both sides of the "T"-shaped mounting slot 3, and two sets of the circulation pipe 6 are arranged, which are respectively used for heat dissipation and winter heating. The device achieves the purpose of rapid installation and disassembly through the liquid cooling frame 1.

[0022] The liquid cooling rack 1 includes a support frame 101, a spring pressing hole 102 is arranged on the inner surface of the "T"-shaped mounting groove 3, flip buckle plates 103 are arranged on both sides of the support frame 101, a suspended groove 104 is arranged below the support frame 101, a flip groove 105 is arranged on the bottom surface of the "T"-shaped mounting groove 3 and the clamping mounting groove 4, a pressing rotating shaft 106 is arranged on the surface below the flip groove 105, a pressing tilting block 107 is arranged on the surface of the pressing rotating shaft 106, and a flip clamping block 108 is arranged on one side of the pressing tilting block 107 on the surface of the pressing rotating shaft 106. A protective pad 109 is provided on the surface of the flip clamping block 108, and torque springs 110 are sleeved and connected to the surfaces of both sides of the pressing and rotating shaft 106. A circulation pipe 6 is provided under the suspended groove 104, and the flip buckle plate 103 is provided on both sides of the upper end of the support frame 101. The flip clamping block 108 rotates by pressing the rotation of the tilting block 107, and when the pressing and tilting block 107 is in the original state, it is located on the surface of the flip groove 105. The pressing and rotating shaft 106 constitutes a rotational reset structure through the torque spring 110, and the flip buckle plate 103 constitutes a rotation structure on both sides of the support frame 101.

[0023] In this embodiment, when installing the power battery panel, firstly, multiple power batteries are placed on the surface of the clamping installation groove 4 and arranged in sequence, and at the same time, a single power battery panel is placed on the surface of the "T"-shaped installation groove 3, so that the single power battery panel is against the top of the pressing tilting block 107, and the pressing rod 503 under the pressing top cover 5 is aligned with the spring pressing hole 102 below for installation, so that the rubber clamping plate 502 is engaged with the top of the power battery panel, and the power battery panel is tightened and fixed under the action of the "T"-shaped installation groove 3, and the pressing tilting block 107 is pressed at the same time. 7 rotates inside the flip groove 105, and at the same time, the flip groove 105 drives the pressing rotation shaft 106 and the flip clamping block 108 to flip, so that the flip clamping block 108 clamps and fixes the power battery board on the surface of the clamping installation groove 4, and continues to press the pressing top cover 5. When pressed to the upper end surface of the support frame 101, the flip buckle plate 103 is rotated to make the flip buckle plate 103 embedded in the limiting buckle groove 506. Under the action of the spring inside the spring pressing hole 102, the pressing top cover 5 is installed on the surface of the liquid cooling frame 1, thereby achieving the purpose of installing multiple power batteries at the same time.

[0024] The pressing top cover 5 includes a pressing plate 501, a rubber clamping plate 502 is arranged below the pressing plate 501, a pressing rod 503 is arranged below the rubber clamping plate 502, side plates 504 are arranged on both sides of the pressing plate 501, a power line installation groove 505 is arranged on the surface of the side plate 504, and limited buckle grooves 506 are arranged on the surfaces of both sides of the side plate 504. The circulation pipeline 6 includes a side liquid cooling pipeline 601, a liquid inlet pipeline 602 is arranged below the side liquid cooling pipeline 601, and an internal temperature control tank 603 is arranged inside the lower part of the support frame 101, a "U"-shaped pipeline 604 is arranged inside the internal temperature control tank 603, and a liquid outlet pipe 605 is arranged on the other side of the support frame 101. The circulation pipe 6 includes a side liquid cooling pipe 601, a liquid inlet pipe 602 is arranged below the side liquid cooling pipe 601, and an internal temperature control tank 603 is arranged inside the bottom of the support frame 101, a "U"-shaped pipe 604 is arranged inside the internal temperature control tank 603, and a liquid outlet pipe 605 is arranged on the other side of the support frame 101, the "U"-shaped pipe 604 is interconnected with the side liquid cooling pipe 601, and there are several "U"-shaped pipes 604, which are respectively arranged on the surface of the internal temperature control tank 603 and are interconnected.

[0025] In this embodiment, when heat dissipation is performed, the refrigerant enters the side liquid cooling pipe 601 through the liquid inlet pipe 602, then enters the "U"-shaped pipe 604, and is finally discharged through the liquid outlet pipe 605. In this process, the side liquid cooling pipe 601 is used to cool down both sides of the support frame 101, and the position between the power batteries is cooled by the "U"-shaped pipe 604 between the clamping installation groove 4 and the "T"-shaped installation groove 3, thereby achieving the purpose of cooling down the power batteries.

[0026] The above-described embodiments only express a certain implementation mode of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A three-dimensional heat dissipation liquid cold plate for a power battery, characterized in that: The invention comprises a liquid cooling frame (1), wherein externally embedded groove bodies (2) are arranged on both side surfaces of the liquid cooling frame (1), a "T"-shaped mounting groove (3) is arranged on the upper surface of the liquid cooling frame (1), clamping mounting grooves (4) are arranged on both side surfaces of the "T"-shaped mounting groove (3) above the liquid cooling frame (1), a pressing top cover (5) is arranged above the clamping mounting groove (4), and a circulation pipe (6) is arranged on the surface of the externally embedded groove body (2).

2. A three-dimensional heat dissipation liquid cold plate for a power battery according to claim 1, characterized in that: A plurality of the clamping installation grooves (4) are provided on both sides of the "T"-shaped installation groove (3), and two sets of the circulation pipes (6) are provided, one for heat dissipation and the other for heating in winter.

3. A three-dimensional heat dissipation liquid cold plate for a power battery according to claim 2, characterized in that: The liquid cooling rack (1) comprises a support frame body (101), a spring pressing hole (102) is arranged on the inner surface of the "T"-shaped installation groove (3), flip buckle plates (103) are arranged on both sides of the support frame body (101), a suspended groove (104) is arranged below the support frame body (101), a flip groove (105) is arranged on the bottom surface of the "T"-shaped installation groove (3) and the clamping installation groove (4), a pressing rotating shaft (106) is arranged on the surface below the flip groove (105), a pressing tilting block (107) is arranged on the surface of the pressing rotating shaft (106), a flip clamping block (108) is arranged on one side of the pressing tilting block (107) on the surface of the pressing rotating shaft (106), a protective pad (109) is arranged on the surface of the flip clamping block (108), and torque springs (110) are sleeved and connected to the surfaces of both sides of the pressing rotating shaft (106).

4. A three-dimensional heat dissipation liquid cold plate for a power battery according to claim 3, characterized in that: A circulation pipe (6) is provided below the suspended groove (104); the flip buckle plate (103) is provided on both sides of the upper end of the support frame (101); the flip clamping block (108) is rotated by the rotation of the pressing tilting block (107); and the pressing tilting block (107) is located on the surface of the flip groove (105) in the original state; the pressing rotation shaft (106) forms a rotation reset structure through a torque spring (110); and the flip buckle plate (103) forms a rotation structure on both sides of the support frame (101).

5. A three-dimensional heat dissipation liquid cold plate for a power battery according to claim 4, characterized in that: The pressing top cover (5) comprises a pressing plate (501), a rubber clamp (502) is arranged below the pressing plate (501), a pressing rod (503) is arranged below the rubber clamp (502), side plates (504) are arranged on both sides of the pressing plate (501), a power cord installation groove (505) is arranged on the surface of the side plate (504), and limit buckle grooves (506) are arranged on the surfaces of both sides of the side plate (504).

6. A three-dimensional heat dissipation liquid cold plate for a power battery according to claim 1, characterized in that: The pressing rod (503) is movably connected to the spring pressing hole (102), and the pressing plate (501) forms an elastic structure above the liquid cooling rack (1) through the spring pressing hole (102), and the pressing plate (501) is installed on the top of the liquid cooling rack (1) through the engagement connection between the limiting buckle groove (506) and the flip buckle plate (103).

7. A three-dimensional heat dissipation liquid cold plate for a power battery according to claim 6, characterized in that: The circulation pipeline (6) comprises a side liquid cooling pipeline (601), a liquid inlet pipeline (602) is arranged below the side liquid cooling pipeline (601), and an internal temperature control tank (603) is arranged inside the support frame (101), a "U"-shaped pipeline (604) is arranged inside the internal temperature control tank (603), and a liquid outlet pipe (605) is arranged on the other side of the support frame (101).

8. The three-dimensional heat dissipation liquid cold plate for a power battery according to claim 6, characterized in that: The "U"-shaped pipe (604) is interconnected with the side liquid cooling pipe (601), and a plurality of "U"-shaped pipes (604) are provided, which are respectively arranged on the surface of the inner temperature control tank (603) and are interconnected.

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