CN215988991U

CN215988991U - Long-life battery pack

Info

Publication number: CN215988991U
Application number: CN202122337022.5U
Authority: CN
Inventors: 许雄全
Original assignee: Foshan Nanhai Aojiate Electronics Co ltd
Current assignee: Foshan Nanhai Aojiate Electronics Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-03-08
Anticipated expiration: 2031-09-26

Abstract

The utility model discloses a battery pack with long service life, which comprises a battery pack main body, an upper shell, a lower shell and a protection device, wherein the battery pack main body comprises an upper shell and a lower shell, the top of the upper shell is provided with a first control device, the joint of the upper shell and the lower shell is provided with a sealing element, the front end of the lower shell is provided with a high-pressure interface, a low-pressure interface and a communication interface, a polymer soft-package battery and a second control device are arranged in the lower shell, a water pipe and a cover plate are arranged in the protection device, the battery pack with long service life is provided with the protection device, the battery pack main body is arranged in the protection device, the whole device is arranged in a new energy automobile, the service life of the battery pack main body is greatly prolonged, the water pipe and the cover plate are arranged, the water pipe is connected with cooling liquid, and the polymer soft-package battery is cooled, the apron separates water pipe spare and battery package main part, avoids the battery to wet, and the baffle is heat conduction material, avoids influencing the cooling effect.

Description

Long-life battery pack

Technical Field

The utility model relates to a new energy automobile battery pack, in particular to a battery pack with a long service life.

Background

Along with the continuous promotion of technical level, new energy automobile gradually walks into millions of households, and in current new energy automobile, power battery is its than indispensable partly, and the battery package is as the device of protection battery, and is same indispensable, concerns performance, duration and security etc. that new energy automobile used, and the new energy automobile of present mainstream uses the battery to polymer laminate polymer battery, more needs come the protection to the battery package.

Through massive search, the typical public numbers of the battery packs in the prior art are found as follows: CN 206961907U's a new forms of energy electric automobile battery package, including the shell body, the shell body in be equipped with the layer board that the multilayer is parallel to each other, the inner wall sliding connection of layer board and shell body, just the oral area that the layer board can the roll-off shell body, the layer board on be equipped with a plurality of batteries, and the battery on every layer of layer board passes through the conductor and connects and form a whole group battery, the shell body on still be equipped with the baffle that is used for sealing the shell body oral area, this battery package still includes a plurality of fans of installations on the shell body outer wall, but still has some problems in this technique: the battery package multilayer formula design can not guarantee the stability of battery at the car operation in-process, and the outer wall mounting fan heat dissipation of shell body, the space occupies greatly, uses the fan heat dissipation reasonable inadequately in the car inside moreover, and the battery package does not have any protection device moreover, greatly reduced the life of battery package.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the purposes of the utility model is to solve the problems that the prior battery pack multilayer design mentioned in the background art can not ensure the stability of the battery in the running process of the automobile, a fan is arranged on the outer wall of a shell for radiating heat, the space occupation is large, the fan is used in the automobile for radiating heat unreasonably, and the battery pack does not have any protection device, so the service life of the battery pack is greatly shortened.

One of the purposes of the utility model is realized by adopting the following technical scheme:

the utility model provides a long-life battery pack, includes battery pack main part, goes up casing, lower casing and protection device, battery pack main part includes casing and lower casing, go up the casing top and seted up first controlling means, go up casing and lower casing junction and install the sealing member, high-pressure interface, low pressure interface and communication interface have been seted up to the casing front end down, casing internally mounted has polymer laminate polymer battery and second controlling means down, protection device internally mounted has water pipe spare and apron.

Further, the upper shell and the lower shell are connected in a clamping mode.

Further, the lower shell at the bottom of the battery pack main body is fixedly installed inside the protection device.

Furthermore, the high-voltage interface, the low-voltage interface and the communication interface are fixedly connected with a second control device.

Furthermore, a water pipe is laid in the protection device, a cover plate is covered above the water pipe, and the cover plate is made of heat conducting materials.

Furthermore, a water pipe connector is arranged at the joint of the water pipe and the protection device.

Compared with the prior art, the utility model has the beneficial effects that:

1. the protection device is arranged, and the service life of the battery pack main body is greatly prolonged by installing the battery pack main body in the protection device and then installing the whole device in the new energy automobile;

2. the water pipe and the cover plate are arranged, the water pipe is connected with cooling liquid to cool the polymer soft package battery, the cover plate can separate the water pipe from the battery pack main body to prevent the battery from being affected with damp, and the partition plate is made of heat conducting materials to prevent the cooling effect from being affected;

3. be provided with the sealing member, install at last casing and casing block junction down, ensure the inside seal nature of battery package, reduce the influence of dust to the battery performance, improve battery life.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic top view of the lower housing of the present embodiment;

fig. 3 is a schematic top view of the protection device of the present embodiment.

In the figure: 1. a battery pack body; 2. an upper housing; 3. a lower housing; 4. a first control device; 5. a seal member; 6. a high-voltage interface; 7. a low-voltage interface; 8. a communication interface; 9. a protection device; 10. a water pipe connector; 11. a polymer pouch cell; 12. a second control device; 13. a water pipe; 14. and (7) a cover plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

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 a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

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 in the description of the utility model herein 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, the battery pack main body 1 includes an upper casing 2 and a lower casing 3, the upper casing 2 is connected with the lower casing 3 in a clamping manner, so that the sealing performance of the inside of the battery pack main body 1 is ensured, the lower casing 3 at the bottom of the battery pack main body 1 is fixedly mounted inside a protection device 9, so that the service life of the battery pack main body 1 is prolonged, a first control device 4 is arranged at the top of the upper casing 2, a sealing element 5 is arranged at the joint of the upper casing 2 and the lower casing 3, and a high-voltage interface 6, a low-voltage interface 7 and a communication interface 8 are arranged at the front end of the lower casing 3.

According to fig. 2 and 3, lower casing 3 internally mounted has polymer laminate polymer battery 11 and second controlling means 12, high pressure interface 6, low pressure interface 7 and communication interface 8 and second controlling means 12 fixed connection, be convenient for realize power transmission to new energy automobile through second controlling means 12, protection device 9 internally mounted has water pipe 13 and apron 14, water pipe 13 has been laid in protection device 9, it has apron 14 to cover above water pipe 13, apron 14 is heat conduction material, be convenient for carry out the liquid cooling heat dissipation to battery package main part 1, improve the life of battery, water pipe 10 has been seted up with protection device 9 junction to water pipe 13, be favorable to water pipe 13 to pass through water pipe 10 and realize the flow of cooling liquid.

The operation of the embodiment is simple, firstly, the polymer soft package battery 11 is installed in the lower shell 3, then the second control device 12 is installed at the lower left corner of the lower shell 3, the second control device 12 is connected with the high-voltage interface 6, the low-voltage interface 7 and the communication interface 8, the upper shell 2 and the lower shell 3 are clamped and installed, a sealing member 5 is installed at the joint of the upper casing 2 and the lower casing 3, then a water pipe 13 in the protection device 9 is connected with the cooling liquid through a water pipe joint 10, then the cover plate 14 is covered, the installed upper shell 2 and lower shell 3 are integrally and fixedly installed in the protection device 9, the whole device is fixedly installed at the battery component of the new energy automobile, the whole installation process of the battery pack main body 1 is completed through the high-voltage interface 6, the low-voltage interface 7, the communication interface 8 and the first control device 4 which are electrically connected with the automobile.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a battery pack with long service life, includes battery pack main part (1), goes up casing (2), lower casing (3) and protection device (9), its characterized in that:

a battery pack main body (1), the battery pack main body (1) including an upper case (2) and a lower case (3);

the device comprises an upper shell (2), wherein a first control device (4) is arranged at the top of the upper shell (2), and a sealing element (5) is arranged at the joint of the upper shell (2) and a lower shell (3);

the device comprises a lower shell (3), wherein the front end of the lower shell (3) is provided with a high-voltage interface (6), a low-voltage interface (7) and a communication interface (8), and a polymer soft package battery (11) and a second control device (12) are arranged in the lower shell (3);

the water pipe is characterized by comprising a protection device (9), wherein a water pipe (13) and a cover plate (14) are installed inside the protection device (9).

2. The long-life battery pack according to claim 1, wherein: the upper shell (2) is connected with the lower shell (3) in a clamping manner.

3. The long-life battery pack according to claim 1, wherein: the lower shell (3) at the bottom of the battery pack main body (1) is fixedly arranged in the protection device (9).

4. The long-life battery pack according to claim 1, wherein: the high-voltage interface (6), the low-voltage interface (7) and the communication interface (8) are fixedly connected with a second control device (12).

5. The long-life battery pack according to claim 1, wherein: water pipe spare (13) have been laid in protection device (9), water pipe spare (13) top covers there is apron (14), apron (14) are heat-conducting material.

6. The long-life battery pack according to claim 1, wherein: and a water pipe connector (10) is arranged at the joint of the water pipe (13) and the protection device (9).