CN210180609U

CN210180609U - Airtightness detection device for battery pack

Info

Publication number: CN210180609U
Application number: CN201921207933.2U
Authority: CN
Inventors: Chen Wang; 王臣
Original assignee: Zhuhai Peng Sen Electronic Technology Co Ltd
Current assignee: Zhuhai Peng Sen Electronic Technology Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-03-24
Anticipated expiration: 2029-07-29

Abstract

The utility model relates to a battery testing technology field, in particular to airtight detection device of battery pack, including the support, set up the positioning baffle on the support and set up the detection subassembly above the positioning baffle, the utility model discloses set up the positioning baffle on the support, set up the mobilizable airtight head above the positioning baffle, the work piece is placed on the support and is fixed a position through the positioning baffle, airtight head moves down to press the work piece and aerify to the work piece and carry out airtight detection, changed the present watertight detection mode, the accuracy is high, and extensive applicability, and still be provided with display panel on the support, can show airtight atmospheric pressure and gas leakage condition, accomplish visual detection, further improve the accuracy of airtight detection; and moreover, a damping piece is arranged between the connecting plate and the moving plate, so that the airtight head is prevented from moving downwards to directly impact the workpiece, and the workpiece or the detection device is prevented from being damaged.

Description

Airtightness detection device for battery pack

Technical Field

The utility model relates to a battery test technical field, in particular to battery pack's airtight detection device.

Background

In the battery industry, the poor air tightness of the battery can cause serious consequences such as serious reduction of the battery performance, leakage of electrolyte, bulging and even explosion of the battery and the like, so that the product reputation is seriously damaged. The battery mainly comprises a plastic shell, a metal shell and an aluminum plastic film flexible package battery according to different shells, the air tightness detection is mostly carried out by soaking water in the early battery industry, the air tightness detection method is difficult to watch by human eyes, data is not quantized, the reliability is low, the method is not suitable for metal shells and aluminum plastic film flexible package lithium batteries, and the detection efficiency and the accuracy are low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a battery pack's airtight detection device, including the support, set up the positioning baffle on the support and set up the determine module in the positioning baffle top, determine module is including the driving piece of vertical setting, set up at the connecting plate of driving piece output and set up the movable plate in the connecting plate below, install the airtight head that sets up down on the movable plate, be provided with the buffer member between connecting plate and the movable plate, still be provided with display panel on the support and can control the shift knob that the driving piece opened and close.

As a further improvement of the above scheme, the bracket includes a first flat plate horizontally disposed and a second flat plate vertically disposed, and the driving member and the display panel are fixed to the second flat plate.

As a further improvement of the scheme, the bracket is also provided with a vertical guide rod, and the moving plate is arranged on the guide rod in a penetrating way and can move up and down along the guide rod.

As a further improvement of the scheme, the positioning baffle is L-shaped.

As a further improvement of the scheme, the positioning baffle is detachably arranged on the bracket.

As a further improvement of the scheme, the support is further provided with a plugging pin, and the plugging pin can move upwards to plug the workpiece.

As a further improvement of the above scheme, a pressing head is further arranged on the lower end face of the moving plate, and the pressing head can move downwards along with the moving plate and press the workpiece.

As a further improvement of the scheme, the moving plate is also provided with a telescopic power piece, and the telescopic power piece can drive the air-tight head to move upwards or downwards relative to the moving plate.

As a further improvement of the scheme, a nylon block is arranged at the lower end of the pressing head.

As a further improvement of the above, the airtight head has at least one disposed downward.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, the utility model discloses set up the locating baffle on the support, set up mobilizable airtight head above the locating baffle, the work piece is placed on the support and is fixed a position through the locating baffle, airtight head moves down with crimping work piece and aerify to the work piece and carry out airtight detection, the present watertight detection's mode has been changed, the accuracy is high, extensive applicability, and still be provided with display panel on the support, can show airtight atmospheric pressure and gas leakage condition, accomplish visual detection, further improve airtight detection's accuracy; and moreover, a damping piece is arranged between the connecting plate and the moving plate, so that the airtight head is prevented from moving downwards to directly impact the workpiece, and the workpiece or the detection device is prevented from being damaged.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is a three-dimensional side view of a preferred embodiment of the present invention;

fig. 2 is a front view of the preferred embodiment of the present invention;

FIG. 3 is a top view of the preferred embodiment of the present invention;

fig. 4 is a front view of another preferred embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

The airtightness detection device for the battery assembly as shown in fig. 1 comprises a support, a positioning baffle 10 arranged on the support, and a detection assembly arranged above the positioning baffle 10, wherein the support preferably comprises a first flat plate 1 arranged horizontally and a second flat plate 2 arranged vertically, the detection assembly and a display panel 15 are both fixedly mounted on the second flat plate 2, that is, the support is L-shaped, and more preferably, the first flat plate 1 and the second flat plate 2 are integrally formed and made of tempered glass; the detection assembly comprises a vertical driving piece 6, a connecting plate 4 and a movable plate 5, wherein the connecting plate 4 is arranged at the output end of the driving piece 6, the movable plate 5 is arranged below the connecting plate 4, an airtight head 8 which is arranged downwards is installed on the movable plate 5, a damping piece 7 is arranged between the connecting plate 4 and the movable plate 5, the damping piece 7 can be a nylon block 14 with elastic damping performance or plastic blocks made of other materials and the like commonly used in the market, and a display panel 15 and a switch button 16 capable of controlling the driving piece 6 to be opened and closed are further arranged on the support.

As a further improvement of the above solution, as shown in fig. 1 and fig. 2, the second plate 2 is further provided with a fixing plate 3, the fixing plate 3 horizontally protrudes from the second plate 2 to above the positioning baffle 10, and the driving member 6 is provided on the fixing plate 3; preferably, a guide rod 9 is arranged between the first flat plate 1 and the fixed plate 3, the guide rods 9 are respectively arranged at the left side and the right side of the moving plate 5, the moving plate 5 is arranged on the guide rods 9 in a penetrating way and can move up and down along the guide rods 9, and the purpose of the guide rod is to ensure the moving accuracy of the airtight head 8, so that the airtight head 8 can move downwards to be aligned with an air port of a workpiece.

As a further improvement of the above scheme, as shown in fig. 3, the positioning baffle 10 is L-shaped, the positioning baffle 10 may be formed by integrally molding a nylon block 14 or glass fiber reinforced plastic, the L-shaped positioning baffle 10 can abut against two side surfaces of the workpiece, so as to achieve the function of positioning the workpiece, preferably, the positioning baffle 10 is detachably mounted on the bracket, specifically, the bracket is provided with a threaded hole, the positioning baffle 10 is provided with a through hole matched with the threaded hole, that is, the positioning baffle 10 is connected with the bracket through a bolt or a screw.

As a further improvement of the above solution, as shown in fig. 3, a plugging pin 11 is further provided on the bracket, the plugging pin 11 can move upward to plug the workpiece, in this embodiment, an air hole is provided on a lower end surface of the workpiece, in order to detect air tightness of the workpiece, the plugging pin 11 can be used to plug the air hole on the lower end surface of the workpiece and vent air from the air hole on the upper end surface of the workpiece, further, the plugging pin 11 is connected with a telescopic cylinder, the workpiece is placed on the bracket, the plugging pin can close the air hole which is small enough to move upward to abut against or press against the lower end surface of the workpiece, and the moving plate 5 moves downward to make the air-tight head 8 press against the air hole on the upper end surface of the workpiece.

As a further improvement of the above scheme, as shown in fig. 4, a pressing head 13 is further disposed on the lower end surface of the moving plate 5, the pressing head 13 can move along with the moving plate 5 and press the workpiece, further, a nylon block 14 is disposed at the lower end of the pressing head 13 to prevent the pressing head 13 from directly impacting the workpiece, and further, a spring is sleeved on the pressing head 13 to further reduce direct impact between the pressing head 13 and the workpiece.

As a further improvement of the above solution, there is at least one downward-facing airtight head 8, and in this embodiment, one airtight head 8 is adopted according to actual conditions, and may be provided in two, three, or four according to the number of air holes on the upper end surface of the workpiece, and the airtight head 8 is connected with an external air pipe.

As a further improvement of the above scheme, as shown in fig. 4, a telescopic power member 12 is further disposed on the moving plate 5, the telescopic power member 12 may be a telescopic cylinder commonly used in the market, and the telescopic power member 12 may drive the airtight head 8 to move upward or downward relative to the moving plate 5, that is, after the moving plate 5 moves downward so that the pressing head 13 presses the workpiece, the telescopic power member 12 drives the airtight head 8 to move downward to press the air hole of the workpiece, so as to perform airtight detection.

It should be noted that the support is further provided with a control assembly, the switch button 16, the airtight head 8 and the telescopic power member 12 are all electrically connected with the control assembly, and the control assembly comprises a common programmable controller or a common single chip microcomputer in the market.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. An airtightness detection apparatus for a battery assembly, comprising: support, setting locating baffle (10) and the detection subassembly of setting in locating baffle (10) top on the support, the detection subassembly is including driving piece (6), the setting of vertical setting at connecting plate (4) of driving piece (6) output and movable plate (5) of setting in connecting plate (4) below, install airtight head (8) that set up down on movable plate (5), be provided with between connecting plate (4) and movable plate (5) shock attenuation piece (7), still be provided with on the support display panel (15) and can control shift knob (16) that driving piece (6) opened and close.

2. The device for detecting the airtightness of a battery pack according to claim 1, wherein the bracket comprises a first plate (1) disposed horizontally and a second plate (2) disposed vertically, and the driving member (6) and the display panel (15) are fixed to the second plate (2).

3. The airtightness detection apparatus for a battery assembly according to claim 1, wherein a vertical guide rod (9) is further disposed on the bracket, and the moving plate (5) is disposed on the guide rod (9) in a penetrating manner and can move up and down along the guide rod (9).

4. The airtightness detection apparatus for a battery pack according to claim 1, wherein the positioning baffle (10) has an L-shape.

5. The airtightness detection apparatus for a battery pack according to claim 1, wherein the positioning retainer (10) is detachably mounted on the support.

6. The airtightness detection apparatus for a battery pack according to claim 1, wherein a blocking pin (11) is further provided on the support, and the blocking pin (11) is capable of being inserted into a workpiece in an upward movement manner.

7. The airtightness detection apparatus for a battery pack according to claim 1, wherein a pressing head (13) is further provided on a lower end surface of the moving plate (5), and the pressing head (13) is movable downward with the moving plate (5) and presses the workpiece.

8. The device for detecting the airtightness of a battery pack according to claim 1, wherein the movable plate (5) is further provided with a telescopic power member (12), and the telescopic power member (12) can drive the airtight head (8) to move upward or downward relative to the movable plate (5).

9. The airtightness detection apparatus for a battery pack according to claim 7, wherein the lower end of the pressing head (13) is provided with a nylon block (14).

10. The device for detecting the airtightness of a battery pack according to claim 1, wherein the airtight head (8) has at least one thereof disposed downward.