CN215418475U

CN215418475U - Liquid cooling battery box

Info

Publication number: CN215418475U
Application number: CN202120740923.6U
Authority: CN
Inventors: 王微
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2022-01-04
Anticipated expiration: 2031-04-12

Abstract

A liquid-cooled battery box comprises a liquid-cooled plate and an upper shell covering the liquid-cooled plate, wherein a maintenance panel is arranged at the upper shell. The upper shell comprises a main box body and a bulge part formed by extending outwards from one side surface of the main box body; a partition plate is arranged between the main box body and the protruding portion, the partition plate and the main box body form a main cavity, the protruding portion and the partition plate form a control cavity, the protruding portion is provided with an overhaul window, and the overhaul panel cover is arranged on the overhaul window. Through set up the bellying on the main tank body, and set up the inner chamber of baffle with the battery box in inside and cut apart into main cavity room and control chamber, will follow accuse module and battery and separate, need not take out liquid cooling battery box from mounted position department when maintaining, can directly lift off maintenance panel and maintain the operation to the follow accuse module in the control cavity, and the maintenance process need not lift off the epitheca from the liquid cooling board, can guarantee that the gas tightness of battery box is not destroyed after the maintenance, the maintenance degree of difficulty of liquid cooling battery has been reduced.

Description

Liquid cooling battery box

Technical Field

The utility model relates to the technical field of batteries, in particular to a liquid-cooled battery box.

Background

The main heat dissipation mode of the power battery is mainly air cooling and liquid cooling, and when the use environment does not meet the air cooling condition or needs to be in the environment which is not beneficial to the operation of the battery such as humidity, the cooling method adopting the liquid cooling has more advantages. In order to guarantee the normal operation of the battery, the battery box is required to have good waterproof and dustproof performances, so that the battery box needs to be designed in a fully-sealed mode.

However, the management system inside the battery needs to be maintained later, the battery box needs to be opened in the maintenance process, and the sealing grade of the battery box after maintenance is difficult to restore, so that the service life of the battery is reduced.

In order to meet the maintenance requirement of the internal management system of the power battery and reduce the maintenance difficulty of the slave control module of the power battery, the structure of the conventional battery box needs to be optimized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide the liquid-cooled battery box with low maintenance difficulty and good sealing performance.

The purpose of the utility model is realized by the following technical scheme:

a liquid-cooled battery box comprising: the liquid cooling device comprises a liquid cooling plate and an upper shell covering the liquid cooling plate, wherein a maintenance panel is arranged at the upper shell;

the upper shell comprises a main box body and a bulge part formed by extending one side surface of the main box body outwards;

a partition plate is arranged between the main box body and the bulge part, the partition plate and the main box body form a main cavity, the bulge part and the partition plate form a control cavity, the main cavity is used for accommodating a battery, and the control cavity is used for accommodating a slave control module;

the bellying has seted up the access panel, maintenance panel cover is located on the access panel.

In one embodiment, the partition plate is located at a boundary position of the boss and the main box body.

In one embodiment, a flange is arranged on the edge of the access window, and a waterproof sealing ring matched with the maintenance panel is attached to the flange.

In one embodiment, the liquid-cooled battery box further comprises a wiring panel, the protrusion is provided with a clearance hole, the wiring panel is accommodated in the control chamber and seals the clearance hole, and the wiring panel is provided with a plurality of wire connectors.

In one embodiment, a sealing ring is arranged between the wiring panel and the inner wall of the control chamber.

In one embodiment, a sealing layer is disposed between the liquid cooling plate and the upper case.

In one embodiment, the width of the protruding portion is smaller than that of the main box body so that the liquid cooling plate is partially exposed, and a cooling liquid inlet and a cooling liquid outlet are arranged at the exposed position of the liquid cooling plate.

Compared with the prior art, the utility model has at least the following advantages:

through set up the bellying on the main tank body, and set up the inner chamber of baffle with the battery box in inside and cut apart into main cavity room and control chamber, will follow accuse module and battery and separate, need not take out liquid cooling battery box from mounted position department when maintaining, can directly lift off maintenance panel and maintain the operation to the follow accuse module in the control cavity, and the maintenance process need not lift off the epitheca from the liquid cooling board, can guarantee that the gas tightness of battery box is not destroyed after the maintenance, the maintenance degree of difficulty of liquid cooling battery has been reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is an exploded view of a liquid cooled battery box in accordance with one embodiment of the present invention;

fig. 2 is a schematic diagram of the structure of the inner cavity of the liquid-cooled battery box in an embodiment of the present invention.

Reference numerals:

liquid cooling battery box 10, main chamber 11, control chamber 12, slave control module 20, liquid cooling plate 100, upper shell 200, main box 210, access window 221, flange 221a, boss 220, maintenance panel 300, partition 400, waterproof sealing ring 500, wiring panel 600, wire connector 610, sealing ring 620, sealing layer 700

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a liquid-cooled battery box 10 includes: liquid cooling board 100 and cover are located epitheca 200 on liquid cooling board 100, and epitheca 200 department is provided with maintenance panel 300, and when needing to maintain the operation from accuse module 20, only need open maintenance panel 300 and can operate, need not lift the whole liquid cooling board 100 of epitheca 200 off, avoid maintenance process damage seal part, reduce the problem that leads to the battery box gas tightness not up to standard and the battery life that arouses descends after maintaining.

Referring to fig. 1, the upper case 200 includes a main case 210 and a protrusion 220 formed by extending one side of the main case 210 outward, and the main case 210 and the protrusion 220 are integrally formed.

Referring to fig. 1 and fig. 2, a partition 400 is disposed between the main box 210 and the protruding portion 220, the partition 400 and the main box 210 enclose a main chamber 11, the protruding portion 220 and the partition 400 enclose a control chamber 12, the main chamber 11 is used for accommodating a battery, and the control chamber 12 is used for accommodating the slave control module 20; in this way, the partition 400 divides the inner cavity of the upper case 200 into two parts, thereby separating the slave control module 20 from the battery and preventing the air tightness at the battery installation site from being affected when the slave control module 20 is maintained.

The partition 400 is located in the inner cavity of the upper case 200, for example, at the boundary position of the protruding portion 220 of the partition 400 and the main case 210; when the slave control module 20 has a large volume, the position of the partition 400 may be adjusted toward the main housing 210, thereby increasing the volume of the control chamber 12.

The protruding portion 220 is provided with an access window 221, and the maintenance panel 300 is covered on the access window 221. The access panel 221 is an opening through which the control chamber 12 communicates with the outside, and the maintenance panel 300 covers the access panel to seal the access panel 221, so that when the access is needed, the slave control module 20 in the control chamber 12 can be maintained by detaching the access panel 300. A sealing member for ensuring airtightness is provided between the service panel 300 and the access panel 221.

Referring to fig. 1 and 2, in an embodiment, a flange 221a is disposed on an edge of the access panel 221, and a waterproof sealing ring 500 matched with the maintenance panel 300 is attached to the flange 221 a. The airtightness of the liquid-cooled battery box 20 is further improved by the waterproof seal 500, and the flange 221a increases the contact area with the maintenance panel 300 on the access panel 221, and can increase the sealing area between the access panel 221 and the maintenance panel 300. The flange 221a is locked with the service panel 300 by screws.

Further, referring to fig. 1, for the convenience of maintenance, the liquid-cooled battery box 10 further includes a wiring panel 600, the protrusion 220 is provided with a clearance hole 222, the wiring panel 600 is accommodated in the control chamber 12, the wiring panel 600 seals the clearance hole 222, and the wiring panel 600 is provided with a plurality of wire connectors 610. The connector 610 is used for electrical connection with an external instrument, and the terminal panel 600 is disposed on the boss 220, so that the structure of the liquid-cooled battery box 10 is more compact.

Referring to fig. 2, in order to ensure the air tightness of the liquid-cooled battery box 20, a sealing ring 620 is disposed between the wiring board 600 and the inner wall of the control chamber 12. Thus, the terminal panel 600 is a detachable structure due to the sealing provided by the sealing ring 620, and the terminal panel 600 can be replaced according to the wiring requirement.

In one embodiment, referring to fig. 1, a sealing layer 700 is disposed between the liquid cooling plate 100 and the upper case 200, and the sealing layer 700 is disposed to ensure airtightness at the connection position between the upper case 200 and the liquid cooling plate 100.

Preferably, referring to fig. 1, the width of the protruding portion 220 is smaller than that of the main case 210 so that the liquid cooling plate 100 is partially exposed, and the liquid cooling plate 100 is provided with a cooling liquid inlet 110 and a cooling liquid outlet 120 at the exposed position. The liquid cooling connecting pipe part on the liquid cooling battery box 10 is transferred to the side face where the boss part 220 is located, so that wiring on the liquid cooling battery box 220 is more concentrated, maintenance personnel can perform related maintenance operation conveniently, and the maintenance difficulty of the liquid cooling battery box is further reduced.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A liquid-cooled battery box comprising: the liquid cooling device comprises a liquid cooling plate and an upper shell covered on the liquid cooling plate, and is characterized in that a maintenance panel is arranged at the upper shell;

2. The liquid-cooled battery box of claim 1, wherein the partition is located at a boundary between the boss and the main tank.

3. The liquid-cooled battery box of claim 1, wherein a flange is provided on an edge of the access panel, and a waterproof seal ring matching the maintenance panel is attached to the flange.

4. The liquid-cooled battery box of any one of claims 1 to 3, further comprising a wiring panel, wherein the protrusion has a clearance hole, the wiring panel is accommodated in the control chamber and closes the clearance hole, and the wiring panel is provided with a plurality of wire connectors.

5. The liquid-cooled battery box of claim 4, wherein a seal is disposed between the terminal panel and an inner wall of the control chamber.

6. A liquid-cooled battery box according to any of claims 1 to 3, characterised in that a sealing layer is provided between the liquid-cooled plate and the upper casing.

7. The liquid-cooled battery box of any one of claims 1 to 3, wherein the width of the protrusion is smaller than the width of the main box body so that the liquid-cooled plate is partially exposed, and a coolant inlet and a coolant outlet are provided at the exposed position of the liquid-cooled plate.