Immersed liquid cooling lower box body

Abstract

The utility model relates to an immersed liquid cooling lower box body which comprises a box body, a bottom plate is arranged at the rear end of the box body, cooling flow channel plates are arranged on the two sides of the bottom plate, a plurality of islands are evenly formed in the rear sides of the cooling flow channel plates, heat dissipation pipes are inserted into the rear sides of the cooling flow channel plates in a penetrating mode, one ends of the heat dissipation pipes are communicated with the outside, and the other ends of the heat dissipation pipes are communicated with the inside of the box body. The side walls of the islands and the side walls of the cooling runner plates are arc-shaped; the cooling runner plate is provided with an inlet and outlet plate, the inlet and outlet plate extends out of the bottom plate, and the inlet and outlet plate is respectively provided with a liquid inlet and outlet interface; according to the structure provided by the embodiment of the invention, through the convex hull characteristic of the box body and the form of the back welding sealing plate, the cooling liquid inlet and outlet can be sealed, so that the heat dissipation function of the battery pack is realized, and the service life of the battery cell is prolonged; the design of the islands and the heat dissipation pipes can improve the heat dissipation efficiency of the runner plate and increase the flow rate of internal liquid, so that the heat dissipation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of battery cells, in particular to a submerged liquid cooling lower box. BACKGROUND

[0002] A battery refers to a cup, a groove or other container or part of a composite container containing electrolyte solution and metal electrodes to generate current, and a device capable of converting chemical energy into electrical energy. There are positive and negative electrodes. In the existing battery system, the submerged liquid cooling lower box is mostly made of aluminum profiles by welding, the whole box is heavy, the cost is relatively high, and the cooling effect is relatively weak. Therefore, a submerged liquid cooling lower box is provided. CONTENT OF THE UTILITY MODEL

[0003] The application provides a submerged liquid cooling lower box to solve the above problems.

[0004] The application provides a submerged liquid cooling lower box, which comprises:

[0005] The box is provided with a bottom plate at the rear end, and cooling flow channel plates are arranged on both sides of the bottom plate. A plurality of islands are uniformly arranged on the rear side of the cooling flow channel plates, and heat dissipation pipes are inserted through the rear side of the cooling flow channel plates. One end of the heat dissipation pipe is connected to the outside, and the other end is connected to the island. The side walls of the island and the cooling flow channel plate are in a circular arc shape.

[0006] The cooling flow channel plate is provided with an inlet and outlet plate, the inlet and outlet plate extends out of the bottom plate, and the inlet and outlet plate is provided with an inlet and outlet liquid interface.

[0007] A flange edge is fixedly arranged on the front side of the box, and a sealing rubber strip is arranged on the mounting surface of the flange edge.

[0008] Preferably, a plurality of threaded pipes are inserted through the flange edge at equal intervals.

[0009] Preferably, the box is uniformly provided with battery cells inside.

[0010] Preferably, an oil injection pipe is sealingly inserted through the side wall of the box, and an oil injection interface is arranged at the inlet of the oil injection pipe.

[0011] Preferably, a cover plate is sealingly arranged at the front end of the box.

[0012] Preferably, gaps are arranged between the battery cells.

[0013] Preferably, convex blocks are symmetrically arranged on both sides of the upper part of the rear end of the box, the rear end of the convex block is welded with an inlet and outlet plate, and the rear end of the inlet and outlet plate is sealingly connected with the inlet and outlet liquid of the cooling flow channel plate.

[0014] Compared with the prior art, the above technical solutions provided by the embodiments of the present application have the following advantages:

[0015] The structure provided by the embodiments of the present application can increase the heat dissipation efficiency of the flow channel plate, increase the flow rate of the internal liquid, and thus increase the heat dissipation efficiency;

[0016] The box body convex feature and the back-welded sealing plate can seal the positions of the inlet and outlet of the cooling liquid, and thus realize the battery pack heat dissipation function and prolong the service life of the battery cell. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings, which are incorporated into and form part of the specification, illustrate embodiments consistent with the present application and, together with the specification, serve to explain the principles of the application.

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows, and obviously, other drawings can also be obtained by those skilled in the art without creative labor.

[0019] Figure 1 It is a schematic view of the overall structure of the utility model;

[0020] Figure 2 It is a rear view of the utility model;

[0021] Figure 3 It is a rear view of the utility model Figure 1 It is an enlarged view of A in the utility model;

[0022] Figure 4 It is an enlarged view of B in the utility model; Figure 2

[0023] Figure 5 It is a rear view of the utility model box;

[0024] Figure 6 It is a structure view of the inlet and outlet plate connected to the rear of the utility model box.

[0025] In the figure: 1, box; 2, battery cell; 3, flange edge; 4, oil filling pipe; 5, inlet and outlet plate; 6, inlet and outlet liquid interface; 7, bottom plate; 8, cooling flow channel plate; 9, island; 10, heat dissipation pipe; 11, threaded pipe; 12, convex. DETAILED DESCRIPTION

[0026] ​In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will be combined with the accompanying drawings for the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0027] Various embodiments of the present application can exist in a range of forms, and it should be understood that the description in a range of forms is merely for the convenience and brevity, and should not be understood as a hard restriction on the scope of the present application; therefore, it should be considered that the described range has been specifically disclosed all possible sub-ranges and single values in the range. For example, it should be considered that the range description from 1 to 6 has been specifically disclosed sub-ranges, such as from 1 to 3, from 1 to 4, from 1 to 5, from 2 to 4, from 2 to 6, from 3 to 6, etc., and single numbers in the described range, such as 1, 2, 3, 4, 5 and 6, which is applicable regardless of the range. In addition, whenever a numerical range is indicated in the present application, it refers to any cited number (fraction or integer) in the indicated range. Unless otherwise specified, various raw materials, reagents, instruments and equipment, etc. used in the present application can be purchased from the market or can be prepared by existing equipment.

[0028] In the present application, the orientation words such as "upper" and "lower" are specifically the directions of the drawing surface in the accompanying drawings. In addition, in the present application, the terms "include", "contain" and the like mean "include but not limited to". In the present application, the relationship terms such as "first" and "second" are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. In the present application, "and / or" describes the association relationship of the associated objects, which means that there can be three kinds of relationships, for example, A and / or B can represent the cases of A alone, A and B together, and B alone. Wherein A, B can be singular or plural. In the present application, "one or more" means one or more, and "multiple" means two or more. "At least one", "at least one of the following" or the like means any combination of the items, including any combination of single or multiple items. For example, "at least one of a, b or c", or "at least one of a, b and c", can represent a, b, c, a-b (a and b), a-c (b-c, or a-b-c, wherein a, b, c can be single or multiple.

[0029] As Figure 1 and Figure 6As shown, this application embodiment provides an immersion liquid-cooled lower chamber, including:

[0030] The housing 1 has a bottom plate 7 at its rear end, and cooling channel plates 8 on both sides of the bottom plate 7. Several islands 9 are evenly distributed on the rear side of the cooling channel plates 8, and heat dissipation pipes 10 are inserted through the rear side of the cooling channel plates 8. One end of the heat dissipation pipe 10 is connected to the outside, and the other end is connected to the island 9. The side walls of the island 9 and the cooling channel plates 8 are both arc-shaped.

[0031] The cooling channel plate 8 is provided with inlet and outlet plates 5, the inlet and outlet plates 5 extend out of the bottom plate 7, and the inlet and outlet plates 5 are respectively provided with liquid inlet and outlet ports 6;

[0032] A flange edge 3 is fixedly provided on the front exterior of the housing 1, and a sealing strip is provided on the mounting surface of the flange edge 3.

[0033] Specifically: the design of islands and heat pipes can increase the heat dissipation efficiency of the flow channel plate and increase the flow rate of the internal liquid, thereby increasing the heat dissipation efficiency;

[0034] The sealing strip can increase the sealing degree of the rear end connection of the external cover plate sealing box 1.

[0035] like Figure 1 As shown: The cooling channel plate 8 is provided with inlet and outlet plates 5, the inlet and outlet plates 5 extend out of the bottom plate 7, and the inlet and outlet plates 5 are respectively provided with liquid inlet and outlet ports 6.

[0036] Specifically: the inlet / outlet interface 6 is used to inject and discharge circulating coolant, thereby cooling the bottom of the cell 2.

[0037] like Figure 1 As shown: Several threaded pipes 11 are inserted through the flange edge 3 at equal intervals from top to bottom.

[0038] Specifically: Threaded tube 11 is used to connect the screw.

[0039] like Figure 1 As shown: The inside of the housing 1 is uniformly provided with battery cells 2.

[0040] Specifically: Cell 2 uses existing cells available on the market.

[0041] like Figure 1 As shown: an oil injection pipe 4 is sealed and inserted through the side wall of the housing 1, and an oil injection interface is provided at the inlet of the oil injection pipe 4.

[0042] Specifically: the oil injection pipe 4 can inject oil into the interior of the housing 1.

[0043] like Figure 1 As shown: The front end of the box 1 is sealed with a cover plate.

[0044] Specifically: cover plate can be sealed by bolt connection box 1 front end.

[0045] As shown in Figure 1 : the gap between the electric core 2 is provided.

[0046] Specifically: the presence of gaps can be added to the oil into the electric core 2.

[0047] As shown in Figure 5 and Figure 6 : the box 1 rear upper two sides of the convex hull 12 is provided, the rear end of the convex hull 12 is welded with access plate 5, the rear end of the access plate 5 is welded with the cooling flow channel plate 8 access liquid sealing connection;

[0048] Specifically: the box 1 body bottom and cooling liquid inlet and outlet access plate 5 by welding to be assembled, lap joint full welding, through the welding to realize the cooling liquid inlet and outlet and cooling flow channel plate 8 sealing, and the weld seam is required to be polished smooth.

[0049] The above is only the specific embodiments of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, the general principles defined in the present application can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the examples shown in the present application, but will be consistent with the widest range of the principles and novel features of the present application.

Claims

1. An immersion liquid-cooled lower chamber, characterized in that, include: The box (1) has a bottom plate (7) at its rear end, and cooling channel plates (8) are provided on both sides of the bottom plate (7). Several islands (9) are evenly opened on the rear side of the cooling channel plate (8), and heat dissipation pipes (10) are also inserted through the rear side of the cooling channel plate (8). One end of the heat dissipation pipe (10) is connected to the outside, and the other end is connected to the island (9). The side walls of the island (9) and the cooling channel plate (8) are both arc-shaped. The cooling channel plate (8) is provided with inlet and outlet plates (5), the inlet and outlet plates (5) extend out of the bottom plate (7), and the inlet and outlet plates (5) are respectively provided with liquid inlet and outlet ports (6); The front side of the housing (1) is fixedly provided with a flange edge (3), and a sealing strip is provided on the mounting surface of the flange edge (3).

2. The immersion liquid-cooled lower chamber according to claim 1, characterized in that: Several threaded pipes (11) are inserted through the flange edge (3) at equal intervals.

3. The immersion liquid-cooled lower chamber according to claim 1, characterized in that: The inside of the housing (1) is uniformly provided with battery cells (2).

4. The immersion liquid-cooled lower chamber according to claim 1, characterized in that: An oil injection pipe (4) is sealed and inserted through the side wall of the box (1), and an oil injection interface is provided at the inlet of the oil injection pipe (4).

5. The immersion liquid-cooled lower chamber according to claim 1, characterized in that: The front end of the box (1) is sealed with a cover plate.

6. The immersion liquid-cooled lower chamber according to claim 3, characterized in that: There are gaps between the battery cells (2).

7. The immersion liquid-cooled lower chamber according to claim 1, characterized in that: The upper rear end of the housing (1) is symmetrically provided with protrusions (12) on both sides. The rear end of the protrusions (12) is welded with an inlet / outlet plate (5). The rear end of the inlet / outlet plate (5) is welded and sealed to the inlet / outlet of the cooling channel plate (8).

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