CN210347016U

CN210347016U - Helium detection device for battery pack

Info

Publication number: CN210347016U
Application number: CN201921590360.6U
Authority: CN
Inventors: 崔文豪; 王茁荟
Original assignee: Shanghai Baishan Industrial Development Co Ltd
Current assignee: Shanghai Baishan Industrial Development Co Ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-04-17
Anticipated expiration: 2029-09-24

Abstract

The utility model discloses a battery pack helium detection device, examine appearance, helium by battery pack, pipeline, evacuation valve, vacuum pump, check valve, helium and examine appearance evacuation valve and helium and examine appearance backing pump and constitute, the bottom of battery pack is connected with evacuation valve through pipeline fixed, the other end of evacuation valve passes through pipeline fixed connection vacuum pump, the other end of vacuum pump passes through pipeline fixed connection check valve, the other end of check valve passes through pipeline fixed connection helium and examines the appearance, the other end of helium examines the appearance and passes through pipeline fixed connection helium and examine appearance evacuation valve, the other end of helium examines appearance evacuation valve and passes through pipeline fixed connection helium and examines appearance backing pump, the model that helium examined the appearance is LDS-3000; the beneficial effects of the utility model are that, the effect of managing to find time of vacuum pump is more thorough, and all structural connection positions of device are all sealed, accomplish helium detection device zero leakage itself, and the helium detector reaction is sensitive, and the measuring result precision is high.

Description

Helium detection device for battery pack

Technical Field

The utility model relates to a helium detects the field, particularly, relates to a battery package helium detection device.

Background

With the popularization of new energy automobiles, the demand of lithium batteries is increasing. When the vehicle is in use, if the lithium battery leaks, the vehicle can be spontaneously combusted, and the damage is great. In order to avoid the phenomenon, helium is used for detecting whether the lithium battery leaks or not in the production process of the lithium battery, and the method is an effective means.

At present, helium detection sensitivity of a lithium battery pack helium detection device on the market is low, so that measurement result precision is low, a leakage-free pipeline system is not perfect enough, and the problem of helium leakage of the device can exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery package helium detection device to solve the current battery package helium detection device who provides in the above-mentioned background art, helium detectivity is not high, leads to the measuring result precision low, and does not have the leakage pipe-line system not enough perfect, may have the problem that device self helium leaked.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a battery package helium detection device, examines appearance, helium by battery package, pipeline, valve of managing to find time, vacuum pump, check valve, helium and examines appearance valve of managing to find time and helium and examine appearance backing pump and constitute, the bottom of battery package is managed to find time through pipeline fixedly connected with valve, the other end of valve of managing to find time passes through pipeline fixedly connected with vacuum pump, the other end of vacuum pump passes through pipeline fixedly connected with check valve, the other end of check valve passes through pipeline fixedly connected with helium and examines the appearance, the other end of appearance is examined through pipeline fixedly connected with helium and examines the appearance valve of managing to find time, the other end that helium examined the appearance valve of managing to find time passes through pipeline fixedly connected helium and examines appearance.

Furthermore, the model of the evacuation valve, the model of the detection valve and the model of the helium detector evacuation valve are AVB 237-16K-4.

Further, the vacuum pump is GLD-N201.

Furthermore, the model of the pre-pump of the helium detector is VSN 1501.

Furthermore, the model of the helium detector is LDS-3000.

Furthermore, the parts connected through the pipelines are sealed.

Further, the number of evacuation valves may be determined by the number of batteries in the battery pack.

The beneficial effects of the utility model are that, the effect of managing to find time of vacuum pump is more thorough, and all structural connection positions of device are all sealed, accomplish helium detection device zero leakage itself, and the helium detector reaction is sensitive, and the measuring result precision is high.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure of the evacuation valve of the present invention;

in the figure: 1. a battery pack; 2. a pipeline; 3. an evacuation valve; 4. a vacuum pump; 5. a check valve; 6. a helium detector; 7. a helium detector evacuation valve; 8. helium detector backing pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-2, the utility model provides a battery package helium detection device comprises battery package 1, pipeline 2, evacuation valve 3, vacuum pump 4, detection valve 5, helium detector 6, helium detector evacuation valve 7 and helium detector backing pump 8, pipeline 2 fixedly connected with evacuation valve 3 is passed through to battery package 1's bottom, evacuation valve 3's the other end passes through pipeline 2 fixedly connected with vacuum pump 4, vacuum pump 4's the other end passes through pipeline 2 fixedly connected with detection valve 5, detection valve 5's the other end passes through pipeline 2 fixedly connected with helium detector 6, the other end of helium detector 6 passes through pipeline 2 fixedly connected with helium detector evacuation valve 7, the other end of helium detector evacuation valve 7 passes through pipeline 2 fixedly connected with helium detector backing pump 8.

Specifically, the model of the evacuation valve 3, the model of the detection valve 5 and the model of the evacuation valve 7 of the helium detector are AVB 237-16K-4.

Specifically, the vacuum pump 4 is GLD-N201.

Specifically, the model of the helium detector backing pump 8 is VSN 1501.

Specifically, the helium detector 6 is LDS-3000.

Specifically, the parts connected through the pipeline 2 are sealed.

Specifically, the number of the evacuation valves 3 may be determined according to the number of batteries in the battery pack.

When the detection device is used specifically, the evacuation valve 3 is opened, the battery pack 1 is evacuated through the vacuum pump 4, the detection valve 5 is opened, and whether the battery pack 1 has leakage or not is judged through the helium detector 6.

The utility model discloses it is better to manage to find time the effect, and all structural connection positions of device are all sealed, accomplish helium detection device zero leakage itself, and the appearance reaction is examined to the helium is sensitive, and the measuring result precision is high.

In the description of the present invention, it is to be understood that the terms "one end", "top", "middle", "other end", "upper", "one side", "top", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A helium detection device for a battery pack is characterized by consisting of the battery pack (1), a pipeline (2), an evacuation valve (3), a vacuum pump (4), a detection valve (5), a helium detector (6), a helium detector evacuation valve (7) and a helium detector backing pump (8), the bottom of the battery pack (1) is fixedly connected with an evacuation valve (3) through a pipeline (2), the other end of the evacuation valve (3) is fixedly connected with a vacuum pump (4) through a pipeline (2), the other end of the vacuum pump (4) is fixedly connected with a detection valve (5) through a pipeline (2), the other end of the detection valve (5) is fixedly connected with a helium detector (6) through a pipeline (2), the other end of the helium detector (6) is fixedly connected with a helium detector evacuating valve (7) through a pipeline (2), the other end of the helium detector evacuation valve (7) is fixedly connected with a helium detector backing pump (8) through a pipeline (2).

2. The battery pack helium detection device of claim 1, wherein the evacuation valve (3), the detection valve (5) and the helium detector evacuation valve (7) are all of the AVB237-16K-4 type.

3. The battery pack helium detection device of claim 1, wherein the vacuum pump (4) is of the type GLD-N201.

4. The battery pack helium detection device of claim 1, wherein the type of the helium detector backing pump (8) is VSN 1501.

5. The battery pack helium detection device of claim 1, wherein the helium detector (6) is of the type LDS-3000.

6. The battery pack helium detection device of claim 1, wherein the connection points through the pipeline (2) are sealed.

7. The battery pack helium detection device of claim 1, wherein the number of evacuation valves (3) is determined by the number of batteries in the battery pack (1).