CN203502184U - Airtight detection device for lithium battery - Google Patents

Airtight detection device for lithium battery Download PDF

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Publication number
CN203502184U
CN203502184U CN201320569528.1U CN201320569528U CN203502184U CN 203502184 U CN203502184 U CN 203502184U CN 201320569528 U CN201320569528 U CN 201320569528U CN 203502184 U CN203502184 U CN 203502184U
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CN
China
Prior art keywords
battery
plate
lithium battery
testing
detection
Prior art date
Application number
CN201320569528.1U
Other languages
Chinese (zh)
Inventor
张金盘
田军涛
张金山
李泉秀
赵旭
王慧
王金才
王爱波
王纯刚
蒋建军
贾建卫
贺雷
胡熠
Original Assignee
凯迈(江苏)机电有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 凯迈(江苏)机电有限公司 filed Critical 凯迈(江苏)机电有限公司
Priority to CN201320569528.1U priority Critical patent/CN203502184U/en
Application granted granted Critical
Publication of CN203502184U publication Critical patent/CN203502184U/en

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Abstract

The utility model relates to the field of lithium battery detection, and especially relates to an airtight detection device for a lithium battery. The airtight detection device for the lithium battery includes a mounting board, testing tools are assembled on the mounting board, wherein each testing tool includes a testing mechanism and a positioning device for positioning a battery which are distributed in a one-to-one manner along an up-and-down direction; the testing mechanism includes a sealing nozzle which is used for aligning and sealing a liquid injection hole of a battery which is positioned by the positioning device, a vacuum pump which is connected with the sealing nozzle and used for vacuumizing the battery, and a driving mechanism which drives the sealing nozzle to move along an up-and-down direction; a pressure sensor is connected between the sealing nozzle and an adjustment valve of the vacuum pump, a tester for recording a pressure reducing value is connected with the pressure sensor, and a lamp for displaying a detection result is connected with the tester. The airtight detection device has advantages of being high in detection efficiency, being high in detection accuracy, being convenient to operate, and being high in automation level, with which production technology of a battery is improved, and the production process of the battery is made smoother, thereby further enhancing production efficiency.

Description

Lithium battery air-tightness detection device

Technical field

The utility model relates to lithium battery detection field, particularly lithium battery air-tightness detection device.

Background technology

It is a very important operation in battery production process that the impermeability of lithium battery detects, and this operation is normally carried out between battery seal and battery liquid-filling operation.At present, the battery air tightness detection method that battery producer adopts is first in the liquid injection hole of detected battery, to beat malleation, then at the manual suds of smearing in the outside of detected battery container, observe whether bubbling of battery surface, if there is bubbling, battery gas leakage is just described; Because capper and filling machine are installed in glove box, after battery seal operation finishes, battery need to be taken out to glove box, after completing air tightness test, battery is dry, then putting into glove box carries out battery liquid-filling operation again.Above-mentioned battery air tightness detection method complex operation, detection efficiency is low, has caused the production procedure of battery to have some setbacks, and has extended the production cycle of battery, and then can reduce the production efficiency of battery.

Summary of the invention

The purpose of this utility model is to provide a kind of lithium battery air-tightness detection device, the low problem of detection efficiency existing to solve existing manual battery air tightness detection method.

To achieve these goals, the utility model adopts following technical scheme: lithium battery air-tightness detection device comprises installing plate, on installing plate, be equipped with test fixture, test fixture comprises along the vertical direction one by one the corresponding mechanism for testing distributing and for locating the locating device of battery, mechanism for testing comprise be located at locating device top for aiming at the sealed mouth of the liquid injection hole of the battery that sealing located by described locating device, be connected with sealed mouth for the vacuum pump to battery vacuum-pumping, drive the mobile along the vertical direction driving mechanism of sealed mouth, between sealed mouth and the variable valve of vacuum pump, be connected with pressure transducer, pressure transducer is connected with for recording the tester of pressure drop numerical value, tester is connected with for showing the signal lamp of testing result.

Described locating device is fixture, fixture comprise be fixedly arranged on installing plate front portion base, be fixedly arranged on rear plate on base, with base front plate hinged and that coordinate with rear plate folding with front plate is applied and the spring of rear plate to joint force.

Described front plate is provided with bracelet.

The opposing end surface of described front plate and rear plate is provided with cushion.

The number of described test fixture is two.

Described driving mechanism is cylinder or hydraulic cylinder.

The beneficial effect of the utility model lithium battery air-tightness detection device: in use, first by locating device, detected battery is positioned, the liquid injection hole that makes battery upward and corresponding with the sealed mouth of mechanism for testing, then by driving mechanism, drive sealed mouth to move down and aim at sealing with liquid injection hole, then the variable valve of vacuum pump is opened, vacuum pump is to cell drawing vacuum, when vacuum tightness reaches after setting value, close the variable valve of vacuum pump, vacuum pump quits work, the setting value of take is carried out pressurize as standard, through after a period of time, by tester, record pressure drop numerical value, testing result will show by signal lamp, operator classifies to battery according to the demonstration result of signal lamp.The utility model is by adopting the working method of negative pressure of vacuum pressure-decreasing type to detect the leak case of battery container, compared with prior art, the utlity model has that detection efficiency is high, accuracy of detection is high, easy to operate, automaticity advantages of higher.In addition, the utility model lithium battery air-tightness detection device can be assemblied in glove box, and can be located between capper and filling machine, can be good at battery seal operation and battery liquid-filling operation to couple together, whether can fast detecting after sealing go out battery leaks gas, when leaking gas, battery it can be removed immediately, and carry out immediately fluid injection operation when the air tight moment of battery, compared with prior art, the production technology of battery that the utility model is perfect, make the production procedure of battery more smooth, reduced the production cycle of battery, and then improved the production efficiency of battery.

Further, the bracelet arranging on front plate is convenient to the operation to front plate.

Further, cushion can avoid front plate and rear plate to produce impression to tested battery case.

Further, the utility model comprises two test fixtures, and two test fixture work capable of circulation, have improved work efficiency.

Accompanying drawing explanation

Fig. 1 is the structural representation of the embodiment 1 of the utility model lithium battery air-tightness detection device;

Fig. 2 is the structural representation of mechanism for testing in Fig. 1.

Embodiment

Embodiment 1 of the present utility model, as shown in Figure 1-2: lithium battery air-tightness detection device comprises for being fixedly assemblied in the installing plate 1 in glove box, on installing plate 1, be equipped with two test fixtures, be respectively left test fixture 21 and right test fixture 22, each test fixture comprises along the vertical direction one by one the corresponding mechanism for testing for detection of battery air tightness distributing and for locating the locating device of battery.This locating device is fixture, this fixture comprise be fixedly arranged on installing plate front portion base 31, be fixedly arranged on rear plate 32 on base 31, with base 31 front plate 33 hinged and that coordinate with rear plate 32 foldings with to front plate 33, apply the spring with 32 pairs of joint forces of rear plate.Front plate 33 is provided with bracelet 34, and the opposing end surface of front plate 34 and rear plate 32 is provided with cushion, and cushion is rubber or sponge.Mechanism for testing comprise be located at corresponding locating device top for aiming at the be positioned sealed mouth 51, vacuum pump, the mobile along the vertical direction driving mechanism of driving sealed mouth 51 for battery 4 is vacuumized being connected with sealed mouth 51 of liquid injection hole 41 of battery 4 of device location of sealing, driving mechanism is cylinder, between sealed mouth and the variable valve of vacuum pump, be connected with pressure transducer, pressure transducer is connected with for recording the tester of pressure drop numerical value, and tester is connected with for showing the signal lamp 52 of testing result.Mechanism for testing also comprises anodal test probe 61, negative pole test probe 62 and testing pressure head 63.Testing pressure head is assemblied in the top of sealed mouth.Mechanism for testing is assemblied on installing plate 1 by fixed head 64, and installing plate 1 is provided with the slide rail 11 extending along the vertical direction, and fixed head can move up and down along slide rail 11.

The use procedure of the utility model lithium battery air-tightness detection device embodiment 1: this device comprises two test fixtures, can be in left and right test fixture periodic duty.First by fixture, detected battery 4 is gripped to location, the liquid injection hole 41 that makes battery upward and corresponding with the sealed mouth 51 of mechanism for testing, then by air cylinder driven sealed mouth 51, move down and aim at sealing with liquid injection hole 41, then the variable valve of vacuum pump is opened, vacuum pump is to battery 4 extracting vacuum, when vacuum tightness reaches after setting value, close the variable valve of vacuum pump, vacuum pump quits work, the setting value of take is carried out pressurize as standard, through after a period of time, by tester, record pressure drop numerical value, testing result will show by signal lamp, operator classifies to battery according to the demonstration result of signal lamp, with this periodic duty.The utility model is by adopting the working method of negative pressure of vacuum pressure-decreasing type to detect the leak case of battery container, compared with prior art, the utlity model has that detection efficiency is high, accuracy of detection is high, easy to operate, automaticity advantages of higher.

In other embodiment of the utility model lithium battery air-tightness detection device, can also comprise a test fixture or three above test fixtures.

In other embodiment of the utility model lithium battery air-tightness detection device, locating device can also for be fixedly assemblied on installing plate for the locating slot with plug-in mounting battery.

In other embodiment of the utility model lithium battery air-tightness detection device, can also omit cushion.

In other embodiment of the utility model lithium battery air-tightness detection device, can also omit the bracelet on front plate.

In other embodiment of the utility model lithium battery air-tightness detection device, driving mechanism can also be hydraulic cylinder.

Claims (6)

1. lithium battery air-tightness detection device, it is characterized in that: comprise installing plate, on installing plate, be equipped with test fixture, test fixture comprises along the vertical direction one by one the corresponding mechanism for testing distributing and for locating the locating device of battery, mechanism for testing comprise be located at locating device top for aiming at the sealed mouth of the liquid injection hole of the battery that sealing located by described locating device, be connected with sealed mouth for the vacuum pump to battery vacuum-pumping, drive the mobile along the vertical direction driving mechanism of sealed mouth, between sealed mouth and the variable valve of vacuum pump, be connected with pressure transducer, pressure transducer is connected with for recording the tester of pressure drop numerical value, tester is connected with for showing the signal lamp of testing result.
2. lithium battery air-tightness detection device according to claim 1, it is characterized in that: described locating device is fixture, fixture comprise be fixedly arranged on installing plate front portion base, be fixedly arranged on rear plate on base, with base front plate hinged and that coordinate with rear plate folding with front plate is applied and the spring of rear plate to joint force.
3. lithium battery air-tightness detection device according to claim 2, is characterized in that: described front plate is provided with bracelet.
4. according to the lithium battery air-tightness detection device described in claim 2 or 3, it is characterized in that: the opposing end surface of described front plate and rear plate is provided with cushion.
5. lithium battery air-tightness detection device according to claim 1, is characterized in that: the number of described test fixture is two.
6. lithium battery air-tightness detection device according to claim 1, is characterized in that: described driving mechanism is cylinder or hydraulic cylinder.
CN201320569528.1U 2013-09-13 2013-09-13 Airtight detection device for lithium battery CN203502184U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320569528.1U CN203502184U (en) 2013-09-13 2013-09-13 Airtight detection device for lithium battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320569528.1U CN203502184U (en) 2013-09-13 2013-09-13 Airtight detection device for lithium battery

Publications (1)

Publication Number Publication Date
CN203502184U true CN203502184U (en) 2014-03-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320569528.1U CN203502184U (en) 2013-09-13 2013-09-13 Airtight detection device for lithium battery

Country Status (1)

Country Link
CN (1) CN203502184U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105319021A (en) * 2015-10-30 2016-02-10 北京新能源汽车股份有限公司 Battery pack seal detection method and system
CN106092465A (en) * 2016-07-05 2016-11-09 深圳市铂纳特斯自动化科技有限公司 The automatic air leak tester of rectangular cell
WO2018103225A1 (en) * 2016-12-09 2018-06-14 广州市永合祥自动化设备科技有限公司 Battery air-tightness detection system
CN108254137A (en) * 2017-12-29 2018-07-06 福建渃博特自动化设备有限公司 Battery case welding airtightness detection device and its detection method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105319021A (en) * 2015-10-30 2016-02-10 北京新能源汽车股份有限公司 Battery pack seal detection method and system
CN106092465A (en) * 2016-07-05 2016-11-09 深圳市铂纳特斯自动化科技有限公司 The automatic air leak tester of rectangular cell
WO2018103225A1 (en) * 2016-12-09 2018-06-14 广州市永合祥自动化设备科技有限公司 Battery air-tightness detection system
CN108254137A (en) * 2017-12-29 2018-07-06 福建渃博特自动化设备有限公司 Battery case welding airtightness detection device and its detection method

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GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20170908

Address after: 471003 Li Chun West Road, Jianxi District, Henan, Luoyang

Patentee after: CAMA (Luoyang) Electromechanic Co., Ltd.

Address before: 471003 Luoyang, Jianxi Province, Li Chun West Road, No. 18, No.

Patentee before: Kaimai (Jiangsu) Machinery Co.

TR01 Transfer of patent right