CN217981108U

CN217981108U - New energy battery closing cap pressure measurement

Info

Publication number: CN217981108U
Application number: CN202221894401.2U
Authority: CN
Inventors: 李锋; 周宇; 王槐英
Original assignee: Ningde Xinneng Xianfeng Testing Technology Co ltd
Current assignee: Ningde Xinneng Xianfeng Testing Technology Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-12-06
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses a new energy battery closing cap pressure detection device, which comprises a box body, wherein the inner bottom of the box body is connected with a pipeline communicated with a battery closing cap, a fixed rod is movably arranged in the pipeline, the bottom of the fixed rod is integrally connected with a push plate, the box body is symmetrically provided with a limit long hole, the fixed rod is fixedly provided with a support plate which is sleeved in the limit long hole in a sliding way, the upper end and the lower end of the limit long hole are respectively and fixedly provided with a first inductor and a second inductor which are movably contradicted with the support plate, and a support is fixedly arranged on the box body; the utility model can contact the first inductor and the second inductor while the support plate slides in the limit long hole, and can immediately judge whether the cover is in a normal cover sealing state, so that the operation is more convenient; the moving distance of the support plate is rapidly measured through the graduated scale, so that errors of the support plate under the action of air pressure can be reduced, the accuracy of battery sealing is improved, and the production quality and safety of the battery are ensured.

Description

New energy battery closing cap pressure measurement

Technical Field

The utility model relates to a new energy battery technical field especially relates to a new energy battery closing cap pressure measurement.

Background

The battery sealing cover is an important part arranged at the top of the battery, and is a cover which is finally sealed on the battery when the battery is produced, so that the battery sealing cover not only has a sealing effect on electrolyte in the battery, but also has a pressure relief effect on gas after electrochemical reaction in the battery during the use of the battery, and therefore, the battery sealing cover is also a safety device for preventing the explosion of the battery.

When current carry out pressure detection to new forms of energy battery closing cap, what adopt usually is to place the closing cap that needs to detect in check out test set, carry out atmospheric pressure to it and strike and judge whether qualified battery closing cap, but this kind of detection mode is that the closing cap that needs the detection is usually artifical is put into check out test set one by one, in the face of a large amount of closing caps that need measure, make operating personnel's working strength promoted, it can't guarantee to detect the precision only through single pressure shock, make and still have great error after detecting, seriously influence the production quality and the safe handling of battery.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that battery closing cap pressure is difficult to detect among the prior art, and the new forms of energy battery closing cap pressure measurement who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a new energy battery sealing cover pressure detection device comprises a box body, wherein a pipeline communicated with a battery sealing cover is connected to the bottom in the box body, a fixed rod is movably mounted in the pipeline, a push plate is integrally connected to the bottom of the fixed rod, limiting long holes are symmetrically formed in the box body, a supporting plate which is sleeved in the limiting long holes in a sliding mode is fixedly mounted on the fixed rod, and a first inductor and a second inductor which are movably abutted to the supporting plate are fixedly mounted at the upper end and the lower end of each limiting long hole respectively;

fixed mounting has the support on the box, and fixed mounting has the guide bar in the support, fixed mounting has automatic telescopic link on the support, and automatic telescopic link output fixedly connected with carriage release lever, carriage release lever both ends an organic whole is connected with the scale, and scale output an organic whole be connected with the corresponding limiting plate of backup pad, fixed mounting has the third inductor of contradicting with the backup pad activity on the limiting plate.

Preferably, the fixing rod is vertically arranged, and the supporting plate is connected with one end of the fixing rod extending out of the pipeline.

Preferably, the limiting long holes are vertically arranged at the two sides of the box body, the supporting plate is horizontally arranged in the box body through the limiting long holes, and the first inductor and the second inductor are respectively located at the upper position and the lower position of the supporting plate.

Preferably, the moving rod is horizontally arranged, and the moving rod is positioned above the guide rod.

Preferably, the guide rod is horizontally arranged, and guide holes for slidably sleeving the graduated scale are symmetrically formed in the guide rod.

Preferably, the scale is vertical to be distributed in box both sides position, and limiting plate and scale output extend to the lower extreme of backup pad and be connected, the third inductor is located the backup pad lower extreme.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses a backup pad and the contact of first inductor, second inductor can judge fast that the battery closing cap is high pressure closing cap or low pressure closing cap, reduces operating personnel's working strength.

2. The utility model discloses a scale comes to measure the displacement of backup pad, can promote measurement of quality, reduces the error that pressure brought, and the accessible is measured many times, strengthens measuring the precision, ensures the production quality and the safe handling of battery.

To sum up, the utility model can contact the first inductor and the second inductor while the support plate slides in the limit long hole, and can immediately judge whether the cover is in a normal sealing state, so that the operation is convenient; the moving distance of the support plate is rapidly measured through the graduated scale, so that errors of the support plate under the action of air pressure can be reduced, the accuracy of battery sealing is improved, and the production quality and the safe use of the battery are ensured.

Drawings

Fig. 1 is a schematic structural view of a new energy battery sealing cover pressure detection device provided by the present invention;

fig. 2 is a schematic diagram of an internal structure of a new energy battery sealing cover pressure detection device provided by the present invention;

fig. 3 is a side view of the new energy battery cover pressure detecting device provided by the utility model.

In the figure: the device comprises a box body 1, a pipeline 2, a fixing rod 3, a push plate 4, a limiting long hole 5, a supporting plate 6, a first inductor 7, a second inductor 8, a support 9, a guide rod 10, a guide hole 11, an automatic telescopic rod 12, a movable rod 13, a graduated scale 14, a limiting plate 15 and a third inductor 16.

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.

Referring to fig. 1-3, a new energy battery sealing cover pressure detection device comprises a box body 1, wherein a pipeline 2 communicated with a battery sealing cover is connected to the bottom in the box body 1, a fixed rod 3 is movably installed in the pipeline 2, a push plate 4 is integrally connected to the bottom of the fixed rod 3, limiting long holes 5 are symmetrically formed in the box body 1, a supporting plate 6 which is slidably sleeved in the limiting long holes 5 is fixedly installed on the fixed rod 3, the limiting long holes 5 achieve guiding and limiting effects on the supporting plate 6, the supporting plate 6 is stable when moving, a first sensor 7 and a second sensor 8 which are movably abutted against the supporting plate 6 are fixedly installed at the upper end and the lower end of each limiting long hole 5 respectively, the first sensor 7 and the second sensor 8 preferably adopt force-sensitive sensors, and the force-sensitive sensors can convert mechanical quantities such as pressure and gravity into conversion devices of electric signals;

the battery sealing cover is impacted by high-pressure gas, so that the gas enters the pipeline 2 to impact the push plate 4, the push plate 4 drives the fixing rod 3 and the supporting plate 6 to slide in the limiting long hole 5, when the supporting plate 6 is in contact with the first inductor 7, a high-pressure sealing state is indicated, and the high-pressure sealing state refers to the phenomenon that when the battery is sealed, the position of a cap is too low or the structural design is not reasonable enough, so that the bottom plate of the cap is bent upwards under the action of air pressure, the internal pressure of the battery is increased, and the battery cannot exhaust all the time;

when the support plate 6 is in contact with the second sensor 8, the low-voltage sealing state is indicated, the state of the battery sealing cover can be quickly judged, the working strength of an operator is reduced, and the low-voltage sealing state refers to the phenomenon that the position of a cover cap is too high or the structural design is unreasonable, so that the internal air pressure of the battery is low, and the battery is easy to be slightly separated;

fixed mounting has support 9 on box 1, and fixed mounting has guide bar 10 in the support 9, fixed mounting has automatic telescopic link 12 on support 9, what automatic telescopic link 12 adopted is electric putter, and automatic telescopic link 12 output end fixedly connected with carriage release lever 13, carriage release lever 13 level sets up, and carriage release lever 13 is located the top position of guide bar 10, carriage release lever 13 both ends body coupling has scale 14, refer to scale 14 and record its twice or many readings at guiding hole 11 position, acquire the front and back high position change that backup pad 6 reciprocated after the comparison, guide bar 10 level sets up, and the symmetry is offered the guiding hole 11 that establishes scale 14 for the slip cap on the guide bar 10, guiding hole 11 realizes direction and spacing effect to scale 14, make scale 14 move the in-process can be steady pull limiting plate 15, and scale 14 output body coupling has limiting plate 15 corresponding with backup pad 6, fixed mounting has third inductor 16 of conflicting with backup pad 6 activity on the limiting plate 15, displacement sensor 16 chooses for use, displacement sensor can measure the displacement of backup pad 6, the height measurement through scale 14, the safety error that the production can prevent to produce the single measurement.

The vertical setting of dead lever 3, and backup pad 6 is connected with the one end that dead lever 3 extends to outside pipeline 2, and dead lever 3 realizes supporting backup pad 6 for backup pad 6 is in comparatively steady state when removing.

The vertical both sides position of locating box 1 of spacing slot hole 5, and the backup pad passes through 5 levels of spacing slot hole to set up in box 1, and first inductor 7 and second inductor 8 are located backup pad 6 upper and lower two places positions respectively, can carry out the perception to the home range of backup pad 6 through first inductor 7 and second inductor 8, judge whether for normal closing cap state.

The vertical distribution of scale 14 is in 1 both sides position of box, and limiting plate 15 is connected with the lower extreme that the 14 output of scale extended to backup pad 6, and third inductor 16 is located the 6 lower extremes of backup pad, measures the displacement of backup pad 6 through the scale 14 of both sides, can carry out the short-term response to the contact between backup pad 6 and the limiting plate 15 through third sensor 16.

The utility model discloses its functional principle is explained to the following mode of operation of accessible:

firstly, impacting a battery cover by using high-pressure gas to enable the gas to flow into a box body 1 from a pipeline 2;

next, blowing the push plate 4 by air pressure to enable the push plate 4 to drive the fixing rod 3 to move up and down on the supporting plate 6, and indicating a high-pressure sealing state when the supporting plate 6 is in contact with the first sensor 7;

when the support plate 6 is in contact with the second inductor 8, a low-pressure capping state is indicated;

simultaneously, automatic telescopic link 12 drives carriage release lever 13, makes carriage release lever 13 pull scale 14 and limiting plate 15 and removes, makes the third inductor 16 on the limiting plate 15 contact with backup pad 6, and usable scale 14 is measured the distance that backup pad 6 rose, promotes measurement accuracy.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The new energy battery sealing cover pressure detection device comprises a box body (1) and is characterized in that a pipeline (2) communicated with a battery sealing cover is connected to the bottom in the box body (1), a fixing rod (3) is movably installed in the pipeline (2), a push plate (4) is integrally connected to the bottom of the fixing rod (3), limiting long holes (5) are symmetrically formed in the box body (1), a supporting plate (6) which is sleeved in the limiting long holes (5) in a sliding mode is fixedly installed on the fixing rod (3), and a first inductor (7) and a second inductor (8) which are movably abutted to the supporting plate (6) are fixedly installed at the upper end and the lower end of the limiting long holes (5) respectively;

fixed mounting has support (9) on box (1), and fixed mounting has guide bar (10) in support (9), fixed mounting has automatic telescopic link (12) on support (9), and automatic telescopic link (12) output end fixedly connected with carriage release lever (13), carriage release lever (13) both ends an organic whole is connected with scale (14), and scale (14) output an organic whole is connected with limiting plate (15) corresponding with backup pad (6), fixed mounting has third inductor (16) of contradicting with backup pad (6) activity on limiting plate (15).

2. The new energy battery cover pressure detection device as claimed in claim 1, wherein the fixing rod (3) is vertically arranged, and the supporting plate (6) is connected with one end of the fixing rod (3) extending out of the pipeline (2).

3. The new energy battery cover sealing pressure detection device according to claim 2, wherein the limit long hole (5) is vertically arranged at two side positions of the box body (1), the support plate is horizontally arranged in the box body (1) through the limit long hole (5), and the first inductor (7) and the second inductor (8) are respectively arranged at the upper position and the lower position of the support plate (6).

4. The new energy battery cover pressure detection device according to claim 1, wherein the moving rod (13) is horizontally arranged, and the moving rod (13) is located at an upper position of the guide rod (10).

5. The new energy battery cover pressure detection device according to claim 4, wherein the guide rod (10) is horizontally arranged, and guide holes (11) for slidably sleeving the graduated scale (14) are symmetrically formed in the guide rod (10).

6. The new energy battery cover sealing pressure detection device according to claim 5, wherein the graduated scales (14) are vertically distributed at two side positions of the box body (1), the limiting plate (15) is connected with the lower end of the supporting plate (6) extended from the output end of the graduated scales (14), and the third sensor (16) is located at the lower end of the supporting plate (6).