CN109282951A - Zinc-silver oxide cell multichannel monomer sealing propertytest principle and plugging structure - Google Patents

Zinc-silver oxide cell multichannel monomer sealing propertytest principle and plugging structure Download PDF

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Publication number
CN109282951A
CN109282951A CN201810986677.5A CN201810986677A CN109282951A CN 109282951 A CN109282951 A CN 109282951A CN 201810986677 A CN201810986677 A CN 201810986677A CN 109282951 A CN109282951 A CN 109282951A
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CN
China
Prior art keywords
monomer
battery
plugging
cylinder
principle
Prior art date
Application number
CN201810986677.5A
Other languages
Chinese (zh)
Inventor
吕士银
李克锋
梁海
杨志云
张晓霞
史佳超
Original Assignee
上海空间电源研究所
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Application filed by 上海空间电源研究所 filed Critical 上海空间电源研究所
Priority to CN201810986677.5A priority Critical patent/CN109282951A/en
Publication of CN109282951A publication Critical patent/CN109282951A/en

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors

Abstract

The invention discloses zinc-silver oxide cell multichannel monomer sealing propertytest principle and plugging structures, detection is mainly designed using differential pressure method principle, by gas source, pressure regulator valve, balanced valve, pressure sensor, differential pressure pick-up, battery plugging device, the composition such as standard component, gas is inputted in compression cylinder by gas source, test unit is blocked, then after circuit specified time where gas being input to test unit and standard component, charge valve is closed, balanced valve is balanced therebetween, then shutdown balanced valve, differential pressure value is measured by the differential pressure pick-up where test unit and standard component between gas circuit to carry out judging whether monomer seals, plugging device is by bracket, pedestal, hold-down cylinder, block gas nozzle, the composition such as monomer chuck, hold-down cylinder extension bar can drive closure gas nozzle to move downward until compressing the vent plug on single battery , so that getting through connection single battery internal gas circuit carries out follow-up test.

Description

Zinc-silver oxide cell multichannel monomer sealing propertytest principle and plugging structure

Background technique

Existing zinc-silver single battery sealing propertytest technique is to connect zinc-silver oxide cell monomer by switching tooling with gas source, It is immersed in the water, by manually adjusting valve size to the compressed air for being passed through certain pressure intensity inside single battery, visually observing is The no mode bubbled checks the leakproofness of monomer, which mainly has three, first is that measuring accuracy is poor, for small It leaking, leak sizes can not quantify to detect, leak hole is easily caused to be gradually expanded during battery is shelved, leakage is generated, second is that If air inlet poor sealing or battery surface water mark do not have wiped clean in the detection process, moisture is easily accessible in single battery Portion causes battery active material corrosion aggravation during storage, reduces battery dry state and shelf-life, third is that operation is more numerous Trivial, inefficiency, every single battery average detected time is about 4min~7min, and a kind of completely new detection proposed by the present invention is former Reason and plugging structure solve the weak link occurred in single battery sealing propertytest, improve detection efficiency.

Summary of the invention

It is proposed by the present invention a kind of complete in order to solve the weak link occurred in existing zinc-silver single battery sealing propertytest New testing principle and plugging structure, detection is mainly designed using differential pressure method principle, by gas source, pressure regulator valve, balanced valve, pressure The composition such as sensor, differential pressure pick-up, battery plugging device, standard component, plugging device is by bracket, pedestal, hold-down cylinder, closure The composition such as gas nozzle, monomer chuck, the test philosophy and plugging structure are practical ingenious, it can be achieved that multichannel monomer performing leak test, Substantially increase testing efficiency.

Purpose is created to reach foregoing invention, the present invention adopts the following technical solutions:

Zinc-silver oxide cell multichannel monomer sealing propertytest principle and plugging structure, the testing principle are based primarily upon differential pressure method detection It realizes, gas source exports specified pressure gas after passing through pressure regulator valve A, and a-road-through crosses pressure regulator valve A output and enters A compression cylinder solenoid valve Realize the motion control to A compression cylinder, to complete closure of the cylinder to test unit A, another way then passes through accurate voltage regulating Circuit where entering standard component A and test unit A by charge valve A, balanced valve A after valve A output specified pressure gas, pressure pass The accurate show circuit gas pressure of sensor A, then charge valve A close, by balanced valve A adjust test unit A and standard component A it Between pressure realize balance, be then powered off balanced valve A, test unit A and standard read by differential pressure pick-up A at the appointed time Between draught head between circuit where A, to realize the judgement to test unit A air-tightness, the plugging structure is mainly the bottom of by Seat 2, compression cylinder 9, blocks gas nozzle 7, the composition of monomer chuck 3 at bracket 10, and pedestal is mounted in detection platform, bracket and monomer Chuck is mounted on the base, and hold-down cylinder is installed on frame upper, and piston rod downward, blocks gas nozzle 1 and the fixed company of double rod movable block It connects, sealing ring, which is placed in, blocks gas nozzle bottom, single battery 1 is placed in the slot of monomer chuck and is fixed, at this time on single battery Vent plug face sealer, be equipped with circular hole more smaller than vent plug hole internal diameter among the sealing ring, the closure gas nozzle with it is close The same apertured in seal contact surface corresponding position is until other faces, so that connecting external tracheae, before closure, hold-down cylinder is contracting The state of returning, after fixing single battery, hold-down cylinder is just moved downward when external gas circuit connects rodless cavity air inlet, until blocking gas Mouth compresses the vent plug on single battery by sealing ring, and monomer test gas circuit is got through, and being sealed property test, test is completed Afterwards, changing hold-down cylinder intake method by solenoid valve retracts piston rod, to realize the deblocking of single battery.

The plugging structure can be mounted in detection platform with multi-parallel, realize the detection of multichannel monomer, the monomer card Disk can replace installation and be put with the card for meeting various specifications single battery, and the closure gas nozzle can be according to the position of single battery vent plug Set it is different with quantity replaced, to meet the air tightness test demand of different monomers.

Monomer chuck fluting length and width dimensions should be greater than each 1mm of monomer length and width dimensions, mortise depth be monomer height 1/6~ 1/8, U-shaped hole, the position of adjustable hold-down cylinder are set on the mounting plate of the battery bracket and hold-down cylinder.

The invention discloses zinc-silver oxide cell multichannel monomer sealing propertytest principle and plugging structure, the test philosophy is practical It is ingenious, the weak link occurred in existing zinc-silver single battery sealing propertytest is solved, it is raw to current zinc-silver oxide cell product is improved Quality control and batch production efficiency have great importance during production.

Detailed description of the invention

Fig. 1 is the test philosophy signal of zinc-silver oxide cell multichannel monomer sealing propertytest principle of the present invention and plugging structure Figure.

Fig. 2 is that the structure before zinc-silver oxide cell multichannel monomer sealing propertytest principle of the present invention is blocked with plugging structure is shown It is intended to.

Fig. 3 is that the structure after zinc-silver oxide cell multichannel monomer sealing propertytest principle of the present invention is blocked with plugging structure is shown It is intended to.

Fig. 4 shows for the single group plugging structure of zinc-silver oxide cell multichannel monomer sealing propertytest principle of the present invention and plugging structure It is intended to.

Specific embodiment

As shown in Figure 1, zinc-silver oxide cell multichannel monomer sealing propertytest principle and plugging structure, the testing principle are main It is detected and is realized based on differential pressure method, gas source exports specified pressure gas after passing through pressure regulator valve 1, and a-road-through crosses the output of pressure regulator valve 2 and enters 1 Number compression cylinder solenoid valve realizes the motion control to No. 1 compression cylinder, to complete closure of the cylinder to test unit 1, separately Standard component 1 is entered by charge valve 1, balanced valve 1 after then exporting specified pressure gas by precise pressure regulating valve 1 all the way and test is single 1 place circuit of body, the accurate show circuit gas pressure of pressure sensor 1, then charge valve 1 is closed, and is adjusted and is surveyed by balanced valve 1 The pressure tried between monomer 1 and standard component 1 realizes balance, balanced valve 1 is then powered off, at the appointed time by differential pressure pick-up 1 The draught head between test unit 1 and 1 place circuit of standard room is read, to realize the judgement to 1 air-tightness of test unit, institute It states plugging structure to be mainly made of pedestal 2, bracket 10, compression cylinder 9, closure gas nozzle 7, monomer chuck 3, pedestal is mounted on detection On platform, bracket and monomer chuck are mounted on the base, and hold-down cylinder is installed on frame upper, and piston rod downward, blocks 1 He of gas nozzle Double rod movable block is fixedly connected, and sealing ring, which is placed in, blocks gas nozzle bottom, single battery 1 is placed in the slot of monomer chuck solid Fixed, the vent plug face sealer on single battery, the sealing ring centre are equipped with circular hole more smaller than vent plug hole internal diameter, institute at this time It states and blocks gas nozzle in apertured same as sealing ring contact surface corresponding position up to other faces, so that external tracheae is connected, Before closure, hold-down cylinder is retracted mode, after fixing single battery, hold-down cylinder external gas circuit connect rodless cavity air inlet when just to Lower movement, until blocking gas nozzle by the vent plug on sealing ring compression single battery, monomer test gas circuit is got through, can be sealed Property test, after the completion of test, by solenoid valve change hold-down cylinder intake method retract piston rod, to realize single battery Deblocking.

In conjunction with Fig. 2 ~ 4, a kind of zinc-silver oxide cell multichannel monomer sealing propertytest principle and plugging structure, it is characterised in that: Include: pedestal 2, single battery A4, single battery B11, bracket 10, vent plug 5, sealing ring 6, hold-down cylinder 9, block gas nozzle A7, envelope Gas shutoff mouth B12, monomer chuck 3, double rod movable block 8;

The pedestal 2 is mounted in detection platform 1, and bracket 10 and monomer chuck 3 are mounted on the base, and hold-down cylinder 9 is installed on branch 10 top of frame, piston rod downward, block gas nozzle A7 and are fixedly connected with double rod movable block 8, and sealing ring 6, which is placed in, blocks the bottom gas nozzle A7 Single battery A4 is placed in the slot of monomer chuck and fixes by portion, and the 5 face sealer of vent plug on single battery, described at this time Among sealing ring 6 be equipped with circular hole more smaller than vent plug hole internal diameter, the closure gas nozzle with sealing ring contact surface corresponding position Same apertured is until other faces, so that connecting external tracheae, before closure, hold-down cylinder 9 is retracted mode, fixes monomer electricity After the A4 of pond, hold-down cylinder 9 is just moved downward when external gas circuit connects rodless cavity air inlet, until blocking gas nozzle A7 passes through sealing ring 6 The vent plug on single battery A4 is compressed, monomer test gas circuit is got through, and the test of being sealed property after the completion of test, passes through electromagnetism Valve, which changes hold-down cylinder intake method, retracts piston rod, to realize the deblocking of single battery A7.

The plugging structure can be mounted in detection platform 1 with multi-parallel, realize the detection of multichannel monomer, the monomer card Disk 3 can replace installation and be put with the card for meeting single battery B11, and the closure gas nozzle A7, which is alternatively installed, blocks gas nozzle B12, from And meet the air tightness test demand of different monomers.

The present invention is applied to the sealing propertytest field of zinc-silver oxide cell, and all valves are turned off before testing, and compression cylinder 9 contracts The state of returning, single battery 4 to be measured is sequentially placed into different station monomer chuck 3, gas source is started to open, and successively set pressure is joined It counts and opens pressure regulator valve 1 and pressure regulator valve 2, then opening compression cylinder solenoid valve makes compression cylinder work, block gas nozzle 7 and pass through sealing Circle 6 compresses single batteries, completes the closure of single battery, then set pressure and opens precise pressure regulating valve, then turns on inflation Valve and balanced valve, at this time standard component and monomer circuit communication to be measured and the pressure known to the pressure sensor readings is increasing straight To equal than precise pressure regulating valve setup pressure value, charge valve is closed after keeping 15s, when 10s closing balanced valve, following 15s The numerical value of interior observation differential pressure pick-up, records and judges according to the numerical value of differential pressure pick-up the leakproofness of single battery to be measured Situation.It after the completion of detection, opens compression cylinder solenoid valve and switches intake method, compression cylinder piston rod starts to retract, and takes out and surveys It tries the single battery completed and is put into next group of single battery to be measured, after placement is intact, then open compression cylinder electromagnetism Vavle switching Intake method carries out the closure of single battery, completes after blocking, opens charge valve and balanced valve, be equal to pressure sensor readings Charge valve is closed after keeping 15s after precise pressure regulating valve setup pressure value, balanced valve is closed after 10s, is seen in the following 15s time The numerical value for examining and recording differential pressure pick-up provides sealing propertytest result and enters next round and detects, and method is same as above.

Claims (4)

1. a kind of zinc-silver oxide cell multichannel monomer sealing propertytest principle and plugging structure, it is characterised in that: include: pedestal (2), Single battery, vent plug (5), sealing ring (6), hold-down cylinder (9), blocks gas nozzle, monomer chuck (3), double rod movable block at bracket (10) (8);The pedestal (2) is mounted on detection platform (1), and bracket (10) and monomer chuck (3) are mounted on the base, hold-down cylinder (9) it is installed on bracket (10) top, piston rod downward, blocks gas nozzle and is fixedly connected with double rod movable block (8), sealing ring (6) is set In blocking gas nozzle bottom, the single battery is placed in the slot of monomer chuck and fixes, and vent plug (5) face on single battery is close Device is sealed, is equipped with circular hole more smaller than vent plug hole internal diameter among the sealing ring (6), the closure gas nozzle connects with sealing ring (6) The same apertured in contacting surface corresponding position is until other faces, so that connecting external tracheae, before closure, hold-down cylinder (9) is to retract State.
2. zinc-silver oxide cell multichannel monomer sealing propertytest principle according to claim 1 and plugging structure, feature exist In: can multi-parallel be mounted in detection platform, realize multichannel monomer detection, the monomer chuck (3) can replace installation with The card for meeting single battery (2) is put, and the closure gas nozzle is alternatively installed, to meet the air tightness test need of different monomers It asks.
3. zinc-silver oxide cell multichannel monomer sealing propertytest principle according to claim 1 and plugging structure, feature exist In: the monomer chuck fluting length and width dimensions are greater than each 1mm of monomer length and width dimensions, and mortise depth is the 1/6~1/8 of monomer height.
4. zinc-silver oxide cell multichannel monomer sealing propertytest principle according to claim 1 and plugging structure, feature exist In: U-shaped hole, the position of adjustable hold-down cylinder are set on the mounting plate of the battery bracket and hold-down cylinder.
CN201810986677.5A 2018-08-28 2018-08-28 Zinc-silver oxide cell multichannel monomer sealing propertytest principle and plugging structure CN109282951A (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2087337U (en) * 1991-01-17 1991-10-23 中国科学院合肥智能机械研究所高技术开发公司 Micro-leakage measuring instrument
CN203024944U (en) * 2012-11-27 2013-06-26 天津俞昌科技有限公司 High-precision differential pressure type air tightness leak detector
CN204043869U (en) * 2013-12-31 2014-12-24 浙江大华技术股份有限公司 A kind of air-tightness detection device
CN106017805A (en) * 2016-06-16 2016-10-12 重庆长安汽车股份有限公司 Plugging tool for air tightness detection of battery pack
CN206362505U (en) * 2016-12-29 2017-07-28 杭州先锋电子技术股份有限公司 A kind of industrial valve device for detecting sealability
CN107806970A (en) * 2017-09-08 2018-03-16 东莞市德尔能新能源股份有限公司 A kind of battery seal detection device and detection method
CN207439619U (en) * 2017-10-13 2018-06-01 无锡格林司通自动化设备有限公司 A kind of battery drain detection device of the seamless sucker of band
CN207456717U (en) * 2017-09-22 2018-06-05 苏州科联盈自动化系统有限公司 A kind of battery pack air tightness detection equipment
CN207622956U (en) * 2017-08-02 2018-07-17 芜湖职业技术学院 Leak detecting device for battery

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2087337U (en) * 1991-01-17 1991-10-23 中国科学院合肥智能机械研究所高技术开发公司 Micro-leakage measuring instrument
CN203024944U (en) * 2012-11-27 2013-06-26 天津俞昌科技有限公司 High-precision differential pressure type air tightness leak detector
CN204043869U (en) * 2013-12-31 2014-12-24 浙江大华技术股份有限公司 A kind of air-tightness detection device
CN106017805A (en) * 2016-06-16 2016-10-12 重庆长安汽车股份有限公司 Plugging tool for air tightness detection of battery pack
CN206362505U (en) * 2016-12-29 2017-07-28 杭州先锋电子技术股份有限公司 A kind of industrial valve device for detecting sealability
CN207622956U (en) * 2017-08-02 2018-07-17 芜湖职业技术学院 Leak detecting device for battery
CN107806970A (en) * 2017-09-08 2018-03-16 东莞市德尔能新能源股份有限公司 A kind of battery seal detection device and detection method
CN207456717U (en) * 2017-09-22 2018-06-05 苏州科联盈自动化系统有限公司 A kind of battery pack air tightness detection equipment
CN207439619U (en) * 2017-10-13 2018-06-01 无锡格林司通自动化设备有限公司 A kind of battery drain detection device of the seamless sucker of band

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