Water-cooled battery pack

Abstract

The utility model discloses a water-cooled battery pack. The water-cooled battery pack comprises a shell and a battery core assembly arranged in the shell, the shell comprises a box body and a box cover, the box body is provided with an opening, and the box cover is connected with the box body and covers the opening of the box body; a water cooling channel is integrally formed in the box cover. According to the utility model, the water cooling channel is directly and integrally formed in the box cover of the shell and is used for connecting a water cooling device; due to the arrangement, the water-cooling battery pack disclosed by the utility model does not need to be additionally provided with a water-cooling component, so that the water-cooling battery pack has the advantages of simple structure and convenience in assembly; moreover, the water-cooled battery pack can be conveniently carried through the handle; in addition, the battery cells of the battery cell assembly are arranged in multiple rows, so that the battery cells are conveniently connected, and the heat dissipation of the battery cells is also facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of battery pack, especially a water-cooled battery pack. BACKGROUND

[0002] Many of the existing battery packs will set up water-cooled components connected with water-cooled devices to meet the requirement of heat dissipation, and the water-cooled components are independent parts, so that the setting of the water-cooled components increases the volume of the battery pack, making the assembly of the battery pack more complicated; in addition, the existing battery pack is heavy and inconvenient to carry; in addition, the layout of each battery cell of the battery cell assembly is scattered, and it is inconvenient to connect each battery cell and dissipate heat.

[0003] In view of the above problems, it is necessary to study a water-cooled battery pack which has the advantages of simple structure and convenient assembly. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a water-cooled battery pack which has the advantages of simple structure and convenient assembly.

[0005] In order to achieve the above purpose, the solution of the utility model is as follows:

[0006] A water-cooled battery pack comprises a shell and a battery cell assembly arranged in the shell; the shell comprises a box body and a box cover, the box body has an opening, and the box cover is connected with the box body and covers the opening of the box body; the box cover is integrally formed with a water-cooled channel inside.

[0007] The inlet and outlet of the water-cooled channel are respectively connected with a liquid inlet connector and a liquid outlet connector.

[0008] The battery cell assembly comprises a plurality of battery cells, and each battery cell is arranged in series and / or parallel.

[0009] Each battery cell of the battery cell assembly is arranged in multiple rows, and an insulating plate is arranged between adjacent two rows of battery cells.

[0010] Each battery cell of the battery cell assembly is connected in series and / or parallel through a copper bar, and the copper bar is laser welded with the battery cell.

[0011] The box body is matched with positive and negative terminals and communication terminals which are electrically connected with the battery cell assembly.

[0012] The positive and negative terminals and the communication terminals are fixed on a mounting plate made of metal, the mounting plate is installed on the box body, and the box body is provided with a clearance opening corresponding to the mounting plate.

[0013] The positive and negative terminals are connected with a wiring terminal, and the wiring terminal is electrically connected with the battery cell assembly.

[0014] The opposite sides of the box body are respectively matched with handles.

[0015] The box is provided with a reinforcing plate corresponding to the handle.

[0016] The electric core assembly and the box cover are clamped with an insulating heat-conducting pad.

[0017] With the above scheme, the water cooling passage is integrally formed in the box cover of the shell, and the water cooling passage is used for connecting the water cooling device; in this way, the water cooling battery pack of the utility model does not need to additionally install the water cooling assembly, so that the utility model has the advantages of simple structure and convenient assembly. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model.

[0019] Figure 2 It is a structural exploded view of the utility model.

[0020] Figure 3 It is a sectional view of the utility model. Figure 1

[0021] Figure 4 It is a sectional view of the utility model. Figure 2

[0022] Figure 5 It is a sectional view of the utility model. Figure 3

[0023] Label explanation:

[0024] Shell 1, box 11, box cover 12, water cooling passage 121, liquid inlet connector 13, liquid outlet connector 14, handle 15, reinforcing plate 16,

[0025] Electric core assembly 2, electric core 21, insulating plate 22, copper bar 23,

[0026] Positive and negative terminals 3,

[0027] Communication terminal 4,

[0028] Mounting plate 5,

[0029] Wiring terminal 6,

[0030] Insulating heat-conducting pad 7. DETAILED DESCRIPTION

[0031] In order to further explain the technical scheme of the utility model, the utility model will be described in detail through specific embodiments.

[0032] For example, Figures 1 to 5 ​​​The utility model discloses a water -cooled battery pack, it includes shell 1 and the electric core subassembly 2 of setting in shell 1, the shell 1 includes box 11 and box cover 12, and box 11 has the opening, and the box cover 12 is connected with box 11 and covers the opening of box 11, and the box cover 12 is integrally formed with water cooling channel 121 inside.

[0033] In the utility model, the water cooling channel 121 is integrally formed in the box cover 12 of the shell 1, and the water cooling channel 121 is used for connecting a water cooling device; in this way, the water cooling battery pack of the utility model does not need to additionally install a water cooling assembly, so that the utility model has the advantages of simple structure and convenient assembly.

[0034] In the embodiment of the utility model, the inlet and outlet of the water cooling channel 121 are respectively connected with a liquid inlet connector 13 and a liquid outlet connector 14, and the liquid inlet connector 13 and the liquid outlet connector 14 are used for connecting the water cooling device.

[0035] In the embodiment of the utility model, the electric core subassembly 2 includes a plurality of electric cores 21, and each electric core 21 is arranged in series and / or in parallel. Wherein, each electric core 21 of the electric core subassembly 2 can be arranged in multiple rows, so that each electric core 21 is arranged neatly and the connection between the electric cores 21 is facilitated, and an insulating plate 22 is arranged between the adjacent two rows of electric cores 21 to ensure insulation; in addition, each electric core 21 of the electric core subassembly 2 is connected in series and / or in parallel through a copper bar 23, and the copper bar 23 is laser welded with the electric core 21 to ensure stable connection.

[0036] In the embodiment of the utility model, the box 11 is matched with positive and negative terminals 3 and communication terminals 4 which are electrically connected with the electric core subassembly 2; the positive and negative terminals 3 and the communication terminals 4 can be fixed on a mounting plate 5, the mounting plate 5 is installed on the box 11, the box 11 is provided with a clearance 111 corresponding to the mounting plate 5, and the mounting plate 5 is made of metal (such as aluminum) to improve the heat dissipation effect.

[0037] In the embodiment of the utility model, the positive and negative terminals 3 are connected with a wiring terminal 6, which can be electrically connected with the electric core subassembly 2 through a wire.

[0038] In the embodiment of the utility model, the opposite sides of the box 11 are respectively matched with handles 15 to facilitate the carrying of the water-cooled battery of the utility model; the box 11 is provided with a reinforcing plate 16 corresponding to the handle 15 to ensure the mounting stability of the handle 15.

[0039] In the embodiment of the utility model, the insulating heat-conducting pad 7 is arranged between the battery cell assembly 2 and the box cover 12, the insulating heat-conducting pad 7 can avoid the electric conduction between the battery cell assembly 2 and the box cover 12, and the insulating heat-conducting pad 7 can also make the heat of the battery cell assembly 2 quickly conduct to the box cover 12, so that the box cover 12 can quickly take away the heat of the battery cell assembly 2, and the heat dissipation effect of the water-cooled battery pack is improved.

[0040] The above-mentioned embodiments and drawings are not limited to the product shape and style of the utility model, and any ordinary skilled person in the art can make appropriate changes or modifications, which should be considered as not departing from the patent scope of the utility model.

Claims

1. A water-cooled battery pack, characterized by: The battery includes a shell and an electric cell assembly arranged in the shell. The shell includes a box body and a box cover, the box body has an opening, and the box cover is connected with the box body and covers the opening of the box body; a water cooling channel is integrally formed inside the box cover.

2. The water-cooled battery pack of claim 1, wherein: The inlet and outlet of the water cooling channel are respectively connected with a liquid inlet connector and a liquid outlet connector.

3. The water-cooled battery pack of claim 1, wherein: The electric cell assembly includes a plurality of electric cells, each of which is arranged in series and / or in parallel.

4. The water-cooled battery pack of claim 3, wherein: Each electric cell of the electric cell assembly is arranged in multiple rows, and an insulating plate is arranged between adjacent two rows of electric cells.

5. The water-cooled battery pack of claim 3, wherein: Each electric cell of the electric cell assembly is connected in series and / or in parallel through a copper bar, and the copper bar is laser welded with the electric cell.

6. The water-cooled battery pack of claim 1, wherein: The box body is matched with positive and negative terminals and a communication terminal which are electrically connected with the electric cell assembly.

7. The water-cooled battery pack of claim 6, wherein: The positive and negative terminals and the communication terminal are fixed to a mounting plate made of metal, the mounting plate is mounted on the box body, the box body is provided with a clearance opening corresponding to the mounting plate; the positive and negative terminals are connected with a wiring terminal, and the wiring terminal is electrically connected with the electric cell assembly.

8. The water-cooled battery pack of claim 1, wherein: The box body is matched with a handle on each of the opposite sides.

9. The water-cooled battery pack of claim 8, wherein: The box body is provided with a reinforcing plate corresponding to the handle.

10. The water-cooled battery pack of claim 1, wherein: An insulating and heat-conducting pad is arranged between the electric cell assembly and the box cover.

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