CN216559596U

CN216559596U - Sealing detection device of battery cover for new energy automobile

Info

Publication number: CN216559596U
Application number: CN202123027573.8U
Authority: CN
Inventors: 杨志双
Original assignee: Laoshiling Auto Parts Shenyang Co ltd
Current assignee: Laoshiling Auto Parts Shenyang Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-05-17
Anticipated expiration: 2031-12-06

Abstract

The utility model relates to the technical field of new energy automobiles, in particular to a sealing detection device for a battery cover cap for a new energy automobile, which comprises an upper cover and a lower cover, wherein the upper cover moves up and down through a driving mechanism to tightly press the battery cover cap fixed on the lower cover; the upper cover is provided with an inflation mechanism for connecting an exhaust valve of the battery cover cap, the inflation mechanism is connected with the sealing test mechanism, and the inflation mechanism is controlled to inflate the exhaust valve through the sealing test mechanism so as to detect the gas leakage amount of the exhaust valve. The utility model can detect the sealing performance of the battery cover cap, occupies small space, can realize automatic compression, automatically triggers alarm when exceeding the leakage threshold value, and improves the detection efficiency of the battery cover cap.

Description

Sealing detection device of battery cover for new energy automobile

Technical Field

The utility model relates to the technical field of new energy automobiles, in particular to a sealing detection device for a battery cover cap for a new energy automobile.

Background

On a new energy automobile, if the sealing performance of a battery cover is poor, foreign matters, water vapor or gas invade into a battery cavity in the running process of the automobile, so that the battery is corroded or damaged. The amount of air leakage from the battery cover needs to be strictly controlled to protect the battery.

At present, the leakage of the battery cover is mostly detected manually in the existing sealing detection, the efficiency is low, errors are easy to generate, and the service life of the battery is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages and shortcomings of the prior art, the present invention provides a sealing detection device for a battery cover of a new energy vehicle.

In order to achieve the purpose, the utility model adopts the main technical scheme that:

the utility model provides a sealing detection device of a battery cover for a new energy automobile, which comprises an upper cover and a lower cover, wherein the upper cover moves up and down through a driving mechanism so as to tightly press the battery cover fixed on the lower cover; the upper cover is provided with an inflation mechanism for connecting an exhaust valve of the battery cover cap, the inflation mechanism is connected with the sealing test mechanism, and the inflation mechanism is controlled to inflate the exhaust valve through the sealing test mechanism so as to detect the gas leakage amount of the exhaust valve.

Furthermore, the inflation mechanism comprises an inflator body, a connecting pipeline and an inflation nozzle assembly, wherein the inflator body is connected with the inflation nozzle assembly through the connecting pipeline, and the inflation nozzle assembly is connected with an exhaust valve of the battery cover; the inflator body is connected with the sealing test mechanism, and the inflation nozzle assembly is inflated by the inflator body under the control of the sealing test mechanism.

Furthermore, the charging connector assembly comprises a fixing plate, a connecting plate, a guide pillar and a gas nozzle, wherein the fixing plate is fixedly connected with the upper cover, and a hole is formed in the fixing plate and used for mounting the connecting plate; one end of the connecting plate is connected with the air tap, and the other end of the connecting plate is connected with the driver; the connecting plate is connected with the fixed plate through a guide pillar; one end of the air tap is used for being connected with the exhaust valve of the battery cover cap, and the other end of the air tap penetrates through the connecting plate and is connected with the connecting pipeline.

Furthermore, the number of the guide posts is four, and the guide posts are respectively arranged at four corners of the connecting plate.

Furthermore, the upper cover is provided with a limit column, an upper module and an upper positioning column, and the limit column is arranged along the periphery of the upper cover so as to be abutted against the lower cover; the upper module is arranged in the middle of the upper cover according to the shape of the battery cover so as to tightly press the battery cover on the lower cover; the upper positioning column is matched with a lower positioning column arranged on the lower cover so as to position the upper cover.

Furthermore, the lower cover is provided with a lower module and a lower positioning column, and the lower module is arranged in the middle of the lower cover according to the shape of the battery cover so as to support the battery cover on the lower cover; the lower positioning column is matched with an upper positioning column arranged on the upper cover so as to position the upper cover.

Furthermore, infrared sensors are arranged on two sides of the lower cover to detect whether the battery cover is positioned on the lower cover.

The utility model has the beneficial effects that: the sealing detection device of the battery cover for the new energy automobile can automatically detect the sealing performance of the battery cover, occupies small space, can realize automatic compression, automatically triggers an alarm when a leakage threshold value is exceeded, and improves the detection efficiency of the battery cover.

Drawings

Fig. 1 is a schematic structural view of a view angle of a sealing detection device of a battery cover for a new energy vehicle according to the present invention;

fig. 2 is a schematic structural diagram of another view angle of the sealing detection device of the battery cover for the new energy automobile according to the present invention;

FIG. 3 is a schematic view of the construction of the inflation nozzle assembly of the present invention.

In the figure: 1. an upper cover; 11. a limiting column; 12. an upper module; 13. an upper positioning column; 2. a lower cover; 21. a lower module; 22. a lower positioning column; 23. an infrared sensor; 3. a charging nozzle assembly; 31. a fixing plate; 32. a connecting plate; 33. a guide post; 34. an air tap.

Detailed Description

For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.

Example 1:

referring to fig. 1 and 2, the present invention provides a sealing detection apparatus for a battery cover for a new energy vehicle. The device comprises an upper cover 1 and a lower cover 2. Wherein, the upper cover 1 moves up and down through a driving mechanism to press the battery cover fixed on the lower cover 2. Specifically, the driving mechanism may be a driving motor, a slide may be disposed between the upper cover 1 and the lower cover 2, and the driving motor may drive the upper cover 1 to move up and down along the slide. The upper cover 1 is provided with a plurality of limiting columns 11, an upper module 12 and an upper positioning column 13. A plurality of limiting columns 11 are arranged along the circumferential direction of the upper cover 1. Of course, the spacing column 11 can also be arranged in the middle of the upper cover 1 for pressing the battery cover on the lower cover 2. Spacing post 11 one end is connected with upper cover 1, and spacing post 11 other end is used for the butt on the battery cover lid on lower cover 2 when upper cover 1 moves down to fixed battery cover lid. The upper module 12 is disposed at the middle of the upper cover 1 according to the shape of the battery cover, and the battery cover fixed on the lower cover 2 is pressed and fastened by the upper cover 1 and the lower cover 2. The upper positioning columns 13 are matched with the lower positioning columns 22 arranged on the lower cover 2 to position the upper cover 1. The middle of the lower cover 2 is provided with a lower module 21 according to the shape of the battery cover to support the battery cover on the lower cover 2. When the battery cover is installed, the battery cover is buckled on the lower cover 2. The four corners of the lower cover 2 are provided with lower positioning columns 22 matched with the upper positioning columns 13 on the upper cover 1 so as to position the upper cover 1. Infrared sensors 23 are further provided on both sides of the lower cover 2 to detect whether the battery cover is positioned on the lower cover 2.

The upper cover 1 is provided with an inflation mechanism used for being connected with an exhaust valve of the battery cover cap, the inflation mechanism is connected with the sealing test mechanism, and the inflation mechanism is controlled by the sealing test mechanism to inflate the exhaust valve so as to detect whether the gas leakage amount of the exhaust valve meets the requirement or not.

Specifically, the inflation mechanism includes an inflator body, a connecting pipe, and an inflation nozzle assembly 3. Wherein, the inflator body is connected with the inflating nozzle component 3 through a connecting pipeline, and the inflating nozzle component 3 is connected with the exhaust valve of the battery cover. The inflator body is connected with the sealing test mechanism, and the inflation nozzle component 3 is inflated by the inflator body under the control of the sealing test mechanism.

Referring to fig. 3, the inflation nozzle assembly 3 includes a fixing plate 31, a connecting plate 32, a guide post 33, and an air nozzle 34. Wherein, a through hole is opened on the fixing plate 31 for installing the air nozzle 34. The fixing plate 31 and the upper cover 1 may be fixedly connected by bolts, and an opening is formed in the fixing plate 31 for mounting the connecting plate 32. One end of the connecting plate 32 is connected to the air nozzle 34, and the other end of the connecting plate 32 is connected to the driver. The connecting plate 32 is connected to the fixed plate 31 by guide posts 33 so that the connecting plate 32 can move relative to the fixed plate 31. One end of the air tap 34 is used for connecting with the exhaust valve of the battery cover, and the other end of the air tap 34 passes through the fixing plate 31 and the connecting plate 32 to be connected with the connecting pipeline. Specifically, the driver may be an air cylinder, and the air cylinder pushes the connecting plate 32 to move along the guide post 33 on the fixing plate 31, so as to drive the air nozzle 34 connected to the connecting plate 32 to move, so that the air nozzle 34 is tightly connected to the exhaust valve.

The number of the guide posts 33 can be four, and the guide posts are respectively arranged at four corners of the connecting plate 32, so that the air nozzles 34 can move stably.

Wherein, sealed accredited testing organization is the leak testing machine, belongs to prior art. The sealing test mechanism in the utility model is a leakage detector of the outsourcing Arabika detection technology (Shanghai) company Limited, and the type of the leakage detector is as follows: ATEQ069 CK-0101.

The pressure value that battery shroud discharge valve gas flow caused is measured to flow pressure value difference sensor through the flow of leak detection machine, and when the pressure value was greater than the threshold value that the controller set up, the alarm began to report to the police, reminds operating personnel.

The parameter setting of the utility model is as follows: inflation pressure: 25 kpa. And (3) the gas balance time of the cavity: for 50 s. Leak measurement time: for 60 s. Leakage alarm threshold: 25 ml/min.

Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a sealed detection device of battery shroud for new energy automobile which characterized in that: the battery cover comprises an upper cover (1) and a lower cover (2), wherein the upper cover (1) moves up and down through a driving mechanism so as to tightly press a battery cover fixed on the lower cover (2); the upper cover (1) is provided with an inflation mechanism for connecting an exhaust valve of the battery cover cap, the inflation mechanism is connected with the sealing test mechanism, and the inflation mechanism is controlled by the sealing test mechanism to inflate the exhaust valve so as to detect the gas leakage amount of the exhaust valve.

2. The sealing detection device of the battery cover for the new energy automobile according to claim 1, characterized in that: the inflation mechanism comprises an inflator body, a connecting pipeline and an inflation nozzle assembly (3), the inflator body is connected with the inflation nozzle assembly (3) through the connecting pipeline, and the inflation nozzle assembly (3) is connected with an exhaust valve of the battery cover; the inflator body is connected with the sealing test mechanism, and the inflator body is controlled by the sealing test mechanism to inflate the inflation nozzle assembly (3).

3. The sealing detection device for the battery cover for the new energy automobile according to claim 2, characterized in that: the inflation nozzle assembly (3) comprises a fixing plate (31), a connecting plate (32), a guide post (33) and an air nozzle (34), the fixing plate (31) is fixedly connected with the upper cover (1), and an opening is formed in the fixing plate (31) and used for mounting the connecting plate (32); one end of the connecting plate (32) is connected with the air tap (34), and the other end of the connecting plate (32) is connected with the driver; the connecting plate (32) is connected with the fixing plate (31) through the guide pillar (33); one end of the air tap (34) is used for being connected with an exhaust valve of the battery cover cap, and the other end of the air tap (34) penetrates through the connecting plate (32) and is connected with the connecting pipeline.

4. The device for detecting the sealing of the battery cover for the new energy automobile according to claim 3, characterized in that: the number of the guide columns (33) is four, and the guide columns are respectively arranged at four corners of the connecting plate (32).

5. The sealing detection device of the battery cover for the new energy automobile according to claim 1, characterized in that: the upper cover (1) is provided with a limiting column (11), an upper module (12) and an upper positioning column (13), and the limiting column (11) is arranged along the periphery of the upper cover (1) and is abutted against the lower cover (2); the upper module (12) is arranged in the middle of the upper cover (1) according to the shape of the battery cover cap so as to compress the battery cover cap on the lower cover (2); the upper positioning column (13) is matched with a lower positioning column (22) arranged on the lower cover (2) to position the upper cover (1).

6. The sealing detection device of the battery cover for the new energy automobile according to claim 1, characterized in that: the lower cover (2) is provided with a lower module (21) and a lower positioning column (22), and the lower module (21) is arranged in the middle of the lower cover (2) according to the shape of the battery cover so as to support the battery cover on the lower cover (2); the lower positioning column (22) is matched with an upper positioning column (13) arranged on the upper cover (1) to position the upper cover (1).

7. The device for detecting the sealing of the battery cover for the new energy automobile according to claim 6, characterized in that: and infrared sensors (23) are arranged on two sides of the lower cover (2) to detect whether the battery cover is positioned on the lower cover (2).