CN101762366B - Full-automatic precise tester for secondary battery safety valve - Google Patents
Full-automatic precise tester for secondary battery safety valve Download PDFInfo
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- CN101762366B CN101762366B CN2009102171297A CN200910217129A CN101762366B CN 101762366 B CN101762366 B CN 101762366B CN 2009102171297 A CN2009102171297 A CN 2009102171297A CN 200910217129 A CN200910217129 A CN 200910217129A CN 101762366 B CN101762366 B CN 101762366B
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- 238000001514 detection method Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 12
- 230000000750 progressive effect Effects 0.000 claims description 10
- 239000011148 porous material Substances 0.000 claims description 7
- 238000012216 screening Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 23
- 239000000463 material Substances 0.000 abstract description 8
- 238000005070 sampling Methods 0.000 abstract description 3
- 230000002950 deficient Effects 0.000 description 14
- 239000000523 sample Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 210000005239 tubule Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000012956 testing procedure Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention relates to a full-automatic precise tester for a secondary battery safety valve, mainly comprising a vibrating funnel, a material feeding orbit, a detecting orbit, a detecting device, a collecting device and a PLC control system. The vibrating funnel is installed above the material feeding orbit connected with the horizontal detecting orbit; one end of the detecting orbit connected with the material feeding orbit is provided with a material feeding mechanism and the other end thereof is provided with a detecting port; the detecting device is installed on the detecting port; the collecting device is installed below the detecting port; the vibrating funnel, the material feeding mechanism, the detecting device and the collecting device are connected with the PLC control system. The tester is capable of controlling to automatically feed materials, automatically detect, automatically classify and automatically collect through the PLC control system so as to reach a full-automatic operation without detecting by people; therefore, the tester can totally detect a product. The tester is accurate in tested result and high in testing efficiency, thereby avoiding the potential hazard existing in a safety valve caused by a test of manually sampling; moreover, the whole structure is compact and the system is stable with low product cost and use cost.
Description
Technical field
The present invention relates to a kind of automatic testing equipment of battery safety valve, is a kind of multinomial performance consubstantiality of secondary battery safety valve, the full-automatic precision aid that detects specifically.
Background technology
Secondary battery safety valve (hereinafter to be referred as safety valve) is the control device of the security performance of portable type electronic product, electric tool, electronic toy battery, is normally passed through the precise part of welding or riveted by upper cap, explosion-proof ball, lower cover cap.When inside battery gas had little time to be consumed, in explosion-proof ball, when pressure rises to a certain degree, the explosion-proof ball elastic deformation began to lose heart gas through the lower cover cap stomatal action; When cell internal pressure drops to certain level, explosion-proof ball recovers also sealing lower cover pore of distortion, and the unlatching of explosion-proof ball and sealed porosity are two safety practices that safety valve is protected secondary cell.Popping pressure is excessive, is prone to set off an explosion; Popping pressure is too small, is prone to cause battery leakage, more than two key indexs that index is secondary cell security performance, serviceable life.
At present both at home and abroad to safety valve performance test adopt the test of manual single sampling, the device that test is used is followed successively by from top to bottom: handle, go up O-ring seal, lower seal, base; Base and handle are welded to connect through " 7 " word seat, and upper and lower O-ring seal is rubber turn, and last O-ring seal is fixed on the handle and with handle and moves up and down; Last O-ring seal inserts needle tubing, and needle tubing connects soft tubule, and the tubule other end is immersed in the vial of band water; Lower seal is fixed on the base, and base is connected with tracheae, CS, rain glass, pressure-stabilized air source respectively.The upper-lower seal circle forms semiclosed air chamber with handle, base respectively.Safety valve is placed on the lower seal; Pull handle and make O-ring seal compacting safety valve, open disappointing, the closing motion of explosion-proof ball under the air valve simulated high-pressure state, collect gas at last O-ring seal; Be excreted to the other end of flexible pipe through pin hole; In vial, form bubble, observe barometric reading this moment, thereby judge that safety valve is opened, the confining pressure value.Adopt manual inspection, take a sample test, testing efficiency is low, can't reach full inspection, and it is bigger that performance index are influenced by equipment and human factor, has potential safety hazard, and the device build-in test has large quantity of moisture with gas, and device is in wet environment for a long time, is prone to pollute corrode safety valve.
Summary of the invention
The present invention seeks to for shortcomings such as manual testing result is inaccurate in the performance test that overcomes battery safety valve in the prior art, measuring accuracy is low, inefficiencys; And provide a kind of many index of on same safety valve, once accomplishing to test; Measuring accuracy is high, the full-automatic precise tester for secondary battery safety valve that testing efficiency is high.
In order to achieve the above object, the technical scheme of the present invention's employing is: a kind of full-automatic precise tester for secondary battery safety valve mainly comprises:
The shake bucket that links to each other with the PLC control system, safety valve to be measured is arranged in the arrangement of shake bucket automatic screening; The charging track connects and shake bucket below, and the safety valve of charging track after with auto arrangement sent into the detection track of charging track below, and the charging track is provided with the inductor that links to each other with the PLC control system; Feeding mechanism is arranged on detection track one end, and said feeding mechanism comprises the charging cylinder of being with push rod, and PLC control system control charging cylinder drives push rod safety valve to be measured is delivered to detection track other end detection mouth;
Pick-up unit is arranged at and detects on the mouth; Pick-up unit comprises forward and backward briquetting, pressure-stabilized air source and clamping cylinder; Forward and backward briquetting is arranged at the front and back of detecting mouth respectively, and the cavity accent of forward and backward briquetting is respectively equipped with sealing gasket, is respectively equipped with pressure transducer in the cavity of two briquettings; Preceding briquetting connects clamping cylinder, and the cavity of back briquetting is communicated with draft tube, is provided with solenoid valve, progressive switch and pressure-stabilized air source on the draft tube successively; Clamping cylinder, solenoid valve, progressive switch and two pressure transducers all link to each other with the PLC control system; PLC control system control electromagnetic valve and progressive switch opens are by the pressure-stabilized air source air inlet; Make that gaseous tension at the uniform velocity rises in the cavity of two briquettings after the pressing; Through the fluctuation of pressure transducer probe gas, detect the pressure that safety valve lower cover pore was opened and sealed to the safety valve explosion-proof ball.Continue in the uphill process at pressure, when pressure transducer probe gas pressure descended suddenly, this moment, the interior gaseous tension of cavity of two briquettings was a safety valve explosion-proof ball opening pressure; Continue in the decline process at pressure, when pressure transducer probe gas pressure stopped to descend and rises, this moment, the interior gaseous tension of cavity of two briquettings was the pressure of explosion-proof ball sealing safety valve lower cover pore;
Gathering-device is arranged at and detects a mouthful below; Gathering-device comprises the bad gathering-device of low pressure, the bad gathering-device of high pressure and certified products gathering-device; The bad gathering-device of low pressure, the bad gathering-device of high pressure all link to each other with solenoid valve with the certified products gathering-device, the safety valve of gathering-device categorised collection low pressure defective products, certified products or high pressure defective products.
Adopt above technical scheme, the beneficial effect that the present invention reaches is:
1, by the control of PLC control system, automaticity is high fully for this detector testing process, and detection efficiency is high, and does not receive man's activity, stops the incomplete situation of manual sampling Detection, and verification and measurement ratio reaches 100%; Safety valve to be measured does not contact with manual, does not corrode safety valve, and the safety valve porosity is not had influence, and measuring accuracy is high;
2, the charging track is provided with inductor, and when the charging track lacked material, the PLC control system received the work of inductor signal controlling shake bucket, supply feed; When charging track material was full, the PLC control system received inductor signal controlling shake bucket and stops feed automatically, and robotization control has further improved testing efficiency;
3, PLC control system control electromagnetic valve and progressive switch opens; Pressure-stabilized air source to pressing after the cavity air inlet of briquetting make that gaseous tension at the uniform velocity rises in the cavity; Through cavity pressure sensor induction gas pulsation situation; The pressure of the unlatching of difference test safety valve explosion-proof ball and sealing safety valve lower cover pore, measurement data acquisition is accurate, test performance is stable;
4, the PLC control system contrasts judgement by unlatching and the confining pressure setting value set; And open by the solenoid valve of PLC control system control gathering-device; Safety valve after the test gets into respectively in low pressure defective products, certified products or the high pressure defective products gathering-device along the gathering-device track, can in respective rail, can strike corresponding steel seal to this safety valve.
Collect and judge instance:
As to set opening pressure of safety valve be 18-25MPa, and confining pressure is 16-28Mpa;
1. as opening pressure＜18MPa or confining pressure＜16MPa, this moment, safety valve was the low pressure defective products;
2. as opening pressure＞25MPa or confining pressure＞18MPa, this moment, safety valve was the high pressure defective products;
Be certified products when 3. opening pressure and confining pressure are between between setting value;
5, setting the set time test finishes; All data of PLC control system statistics; Pressure, safety valve low pressure defective products or the certified products of the unlatching of difference record security valve explosion-proof ball and sealing safety valve lower cover pore or quantity, defective mode, fraction defective, the qualification rate of high pressure defective products; Get through LPT, be convenient to statistics.
Tester of the present invention reaches full automatic working through PLC control system control automatic feed, detection automatically, automatic categorised collection; Need not manual detection, can realize that product examines entirely, test result is accurate, testing efficiency is high; Stopping manual sample testing causes safety valve to have potential safety hazard; Its compact overall structure, system stability, making and use cost are low.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of pick-up unit of the present invention.
Among the figure: shake bucket 1, inductor 2, charging track 3 detects track 4, detects mouth 5, pick-up unit 6; Solenoid valve 7,22, the bad gathering-device 8 of high pressure, certified products gathering-device 9, the bad gathering-device 10 of low pressure, PLC control system 11, charging cylinder 12; Push rod 13, back briquetting 14, sealing gasket 15,16, preceding briquetting 17, clamping cylinder 18; Pressure transducer 19,20, draft tube 21, solenoid valve 22, progressive switch 23, pressure-stabilized air source 24.
Embodiment
Below in conjunction with accompanying drawing the present invention and embodiment are described further.
Fig. 1, full-automatic precise tester for secondary battery safety valve shown in 2 mainly comprise shake bucket 1, charging track 3, detect track 4, gathering-device and PLC control system 11.Shake bucket 1 is arranged at charging track 3 tops, and charging track 3 is vertically connected on the horizontally disposed detection track 4, and charging track 3 is provided with inductor 2; Detect the charging cylinder 12 that track 4 one ends are provided with band push rod 13; Detect the track other end and be provided with detection mouth 5; The front and back that detects mouth 5 is respectively equipped with preceding briquetting 17 and back briquetting 14; The cavity accent of forward and backward briquetting is respectively equipped with in the cavity of sealing gasket 16,15 and forward and backward briquetting and is respectively equipped with pressure transducer 19,20, and back briquetting 14 connects clamping cylinders 18, and the cavity of preceding briquetting 17 is communicated with a draft tube 21; Be provided with solenoid valve 22, progressive switch 23, pressure-stabilized air source 24 on the draft tube successively, detect mouthful 5 belows and be provided with low pressure defective products gathering-device 10, certified products gathering-device 9 and the high pressure defective products gathering-device 8 that all is connected in solenoid valve 7; Shake bucket 1, inductor 2, solenoid valve 7, charging cylinder 12, clamping cylinder 18, progressive switch 23 and solenoid valve 22 all are connected on the PLC control system 11, clamping cylinder 18 and charging cylinder 12 air feed that all links to each other with air compressor machine.
Testing procedure is following:
1, charging: safety valve to be measured is positioned in the shake bucket; The PLC control system receives the inductor unblanking work of charging track; Safety valve to be measured gets into the charging track through screening and auto arrangement, and safety valve to be measured drops down onto at action of gravity lower edge track and detects in the track, and safety valve data to be measured feed back to the PLC control system in the inductor collection charging track; Judge that the shake bucket opens and closes, and guarantees the timely feed of track; The safety valve to be measured that PLC control system control charging cylinder drive push rod will detect in the track is pushed into the detection mouth;
2, detect: after safety valve to be measured is pushed into and detects mouth; PLC control system control clamping cylinder promotes briquetting safety valve to be measured is pressed in the sealing gasket between the briquetting of front and back; The PLC control system is opened solenoid valve, progressive switch air feed at the uniform velocity in the cavity between briquetting forwards, backwards; Continue in the uphill process at pressure, when pressure transducer probe gas pressure descended suddenly, this moment, the interior gaseous tension of cavity of two briquettings was a safety valve explosion-proof ball opening pressure; Continue in the decline process at pressure; When pressure transducer probe gas pressure stops to descend and rises; This moment, the interior gaseous tension of cavity of two briquettings was the pressure of explosion-proof ball sealing safety valve lower cover pore, record security valve explosion-proof ball opening pressure and explosion-proof ball sealing safety valve lower cover air vent pressure respectively.After test finishes, briquetting before and after PLC control system control clamping cylinder unclamps, the safety valve after the test falls into gathering-device;
3, collect: the safety valve after the test falls into gathering-device; The PLC control system is judged safety valve explosion-proof ball opening pressure and two performances of explosion-proof ball sealing safety valve lower cover air vent pressure by the pressure limit of different product and customer demand setting: do not get to unlatching and the sealed porosity pressure of the explosion-proof ball of setting, belong to the low pressure defective products; The unlatching of explosion-proof ball and sealed porosity pressure belong to certified products in pressure limit; The unlatching of the explosion-proof ball that overpressure is set and sealed porosity pressure; Belong to the high pressure defective products; Safety valve after detection is judged is through the gathering-device categorised collection; The PLC control system is opened each gathering-device by judgement performance data control electromagnetic valve and is collected mouth accordingly, and safety valve is collected a mouthful whereabouts categorised collection by each, and safety valve can strike corresponding steel seal to the safety valve of categorised collection when falling to collecting.
Claims (6)
1. a full-automatic precise tester for secondary battery safety valve is characterized in that: mainly comprise
Shake bucket (1), said shake bucket automatic screening is arranged safety valve to be measured;
Charging track (3), said charging track are connected in shake bucket (1) below, and the safety valve after the charging track is arranged automatic screening is sent into the detection track of charging track (3) below;
Feeding mechanism, said feeding mechanism are arranged at and detect track one end, and the safety valve to be measured that feeding mechanism will detect in the track is delivered to detection track other end detection mouthful (5);
Pick-up unit (6), said pick-up unit are arranged at and detect on mouthful (5), and pick-up unit detects the pressure that safety valve lower cover pore was opened and sealed to the safety valve explosion-proof ball;
Gathering-device, said gathering-device are arranged at the safety valve that detects after mouthful (5) below categorised collection detects;
Said shake bucket, feeding mechanism, pick-up unit, gathering-device all link to each other with the PLC control system.
2. full-automatic precise tester for secondary battery safety valve according to claim 1 is characterized in that: said charging track (3) is provided with the inductor (2) that links to each other with PLC control system (11).
3. full-automatic precise tester for secondary battery safety valve according to claim 1; It is characterized in that: said feeding mechanism comprises the charging cylinder (12) of band push rod (13), and PLC control system (11) control charging cylinder drives push rod and safety valve delivered to the detection mouth (5) that detects the track other end.
4. full-automatic precise tester for secondary battery safety valve according to claim 1; It is characterized in that: said pick-up unit (6) comprises forward and backward briquetting (17; 14), pressure-stabilized air source (24) and clamping cylinder (18); Forward and backward briquetting is arranged at the front and back of detecting mouthful (5) respectively, is respectively equipped with pressure transducer (19,20) in the cavity of forward and backward briquetting; Preceding briquetting connects clamping cylinder (18), and the cavity of back briquetting is communicated with draft tube (21), is provided with solenoid valve (22), progressive switch (23) and pressure-stabilized air source (24) on the draft tube successively; Solenoid valve, progressive switch, clamping cylinder and two pressure transducers all link to each other with PLC control system (11).
5. full-automatic precise tester for secondary battery safety valve according to claim 4 is characterized in that: the cavity accent of said forward and backward briquetting (17,14) is respectively equipped with sealing gasket (16,15).
6. full-automatic precise tester for secondary battery safety valve according to claim 1; It is characterized in that: said gathering-device comprises the bad gathering-device of low pressure (10), the bad gathering-device of high pressure (8) and the certified products gathering-device (9) that all links to each other with solenoid valve (7), and said solenoid valve (7) links to each other with PLC control system (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102171297A CN101762366B (en) | 2009-12-31 | 2009-12-31 | Full-automatic precise tester for secondary battery safety valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102171297A CN101762366B (en) | 2009-12-31 | 2009-12-31 | Full-automatic precise tester for secondary battery safety valve |
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| Publication Number | Publication Date |
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| CN101762366A CN101762366A (en) | 2010-06-30 |
| CN101762366B true CN101762366B (en) | 2012-05-30 |
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| CN2009102171297A Expired - Fee Related CN101762366B (en) | 2009-12-31 | 2009-12-31 | Full-automatic precise tester for secondary battery safety valve |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101949758B (en) * | 2010-09-02 | 2012-05-30 | 姚柳园 | Intelligent ball valve detection equipment |
| CN101936801B (en) * | 2010-09-08 | 2012-02-22 | 江苏理士电池有限公司 | Automatic detector for safety valve opening and closing pressure |
| CN102721534B (en) * | 2011-03-30 | 2016-02-10 | 沈阳沃达科技有限公司 | Accumulator protection valve detection method |
| CN102539089B (en) * | 2011-12-26 | 2014-11-05 | 大连三高科技发展有限公司 | Air tightness detection device and detection method thereof |
| CN102528420B (en) * | 2012-03-06 | 2014-07-23 | 超威电源有限公司 | Device for automatically buckling safety valve |
| CN108063358A (en) * | 2017-12-11 | 2018-05-22 | 合肥右传媒科技有限公司 | A kind of USB connector kludge of automatic screening |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2295223Y (en) * | 1997-02-05 | 1998-10-21 | 谭元生 | Device for testing pressure of safety valve for sealed lead-acid accumulator |
| CN1773305A (en) * | 2004-11-14 | 2006-05-17 | 比亚迪股份有限公司 | Method and apparatus for testing battery safety performance |
| CN2786639Y (en) * | 2005-09-23 | 2006-06-07 | 周明明 | Accumulator safety valve pressure detecting equipment |
| KR20090017215A (en) * | 2007-08-14 | 2009-02-18 | 주식회사 대흥이엔텍 | Safety valve testing apparatus |
| CN101581616A (en) * | 2009-06-23 | 2009-11-18 | 张天任 | Method for testing opening and closing pressure of gum cap of safety valve of lead-acid accumulator and special testing device thereof |
-
2009
- 2009-12-31 CN CN2009102171297A patent/CN101762366B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2295223Y (en) * | 1997-02-05 | 1998-10-21 | 谭元生 | Device for testing pressure of safety valve for sealed lead-acid accumulator |
| CN1773305A (en) * | 2004-11-14 | 2006-05-17 | 比亚迪股份有限公司 | Method and apparatus for testing battery safety performance |
| CN2786639Y (en) * | 2005-09-23 | 2006-06-07 | 周明明 | Accumulator safety valve pressure detecting equipment |
| KR20090017215A (en) * | 2007-08-14 | 2009-02-18 | 주식회사 대흥이엔텍 | Safety valve testing apparatus |
| CN101581616A (en) * | 2009-06-23 | 2009-11-18 | 张天任 | Method for testing opening and closing pressure of gum cap of safety valve of lead-acid accumulator and special testing device thereof |
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| CN101762366A (en) | 2010-06-30 |
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Effective date of registration: 20160408 Address after: 225400, No. 33-8, Party School Road, Taixing, Jiangsu, Taizhou Patentee after: Taixing Zhengxing Electron Co., Ltd. Address before: 225400 Party School Road, Taixing, Jiangsu 33-8 Patentee before: Xiong Hui |
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Granted publication date: 20120530 Termination date: 20181231 |
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