CN201707183U - Full automatic precise tester for secondary battery safety valves - Google Patents

Full automatic precise tester for secondary battery safety valves Download PDF

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Publication number
CN201707183U
CN201707183U CN2009203532724U CN200920353272U CN201707183U CN 201707183 U CN201707183 U CN 201707183U CN 2009203532724 U CN2009203532724 U CN 2009203532724U CN 200920353272 U CN200920353272 U CN 200920353272U CN 201707183 U CN201707183 U CN 201707183U
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CN
China
Prior art keywords
track
control system
plc control
safety valve
secondary battery
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Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN2009203532724U
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Chinese (zh)
Inventor
朱剑
Original Assignee
熊辉
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Priority to CN2009203532724U priority Critical patent/CN201707183U/en
Application granted granted Critical
Publication of CN201707183U publication Critical patent/CN201707183U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a full automatic precise tester for secondary battery safety valves, which mainly comprises a vibrating hopper, a feeding track, a detecting track, a detector, a collecting device and a PLC control system. The vibrating hopper is arranged above the feeding track, the feeding track is connected with the detecting track arranged horizontally, a feeding mechanism is disposed at one end of the detecting track which is connected with the feeding track, a detecting port is disposed at the other end of the detecting track, the detector is arranged on the detecting port, the collecting device is arranged below the detecting port, and the vibrating hopper, the feeding mechanism, the detector and the collecting device are all connected with the PLC control system. The full automatic precise tester controls automatic feeding, automatic detection and automatic classifying collection to achieve full automatic operation through the PLC control system, does not need manual detection, can realize total detection of products, is accurate in testing results and high in testing efficiency, stops potential safety hazards of the safety valves due to manual sampling tests, and is compact in integral structure, stable in system and low in manufacturing and use costs.

Description

Full-automatic precise tester for secondary battery safety valve
Technical field
The utility model relates to a kind of proving installation of battery safety valve, particularly relates to a kind of multinomial performance consubstantiality of secondary battery safety valve, the full-automatic precision aid that detects.
Background technology
Secondary battery safety valve (hereinafter to be referred as safety valve) is the control device of portable type electronic product, electric tool, electronic toy battery safety, and it is the precise part by upper cap, explosion-proof ball, the welding of lower cover cap process or riveted.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 by the lower cover cap stomatal action; When cell internal pressure drops to certain level, explosion-proof ball sealing lower cover pore.The unlatching of explosion-proof ball and sealed porosity are two safety practices of safety valve protection secondary cell.Popping pressure can not be excessive, otherwise easily set off an explosion; Popping pressure can not be too small, otherwise 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, device is followed successively by from top to bottom: handle, go up O-ring seal, lower seal, base; Base and handle are by " 7 " word seat welding link, and the upper-lower seal circle all is a rubber turn, and last O-ring seal is fixed on the handle, and moves up and down with handle; Last O-ring seal inserts needle tubing, and needle tubing links soft tubule, and the tubule other end is immersed in the vial of band water.Lower seal is fixed on the base, and base chain respectively is connected to tracheae, gauge tap, rain glass, pressure-stabilized air source.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 by pin hole, in vial, form bubble, observe barometric reading this moment, thereby judge that safety valve is opened, the confining pressure value.Manual inspection, take a sample test, inefficiency can't reach full inspection, and it is bigger that performance index are influenced by equipment and human factor, has potential safety hazard, and mechanism is in wet environment, easily pollutes the corrosion safety valve.
Summary of the invention
The utility model purpose is to overcome that test result is inaccurate, the inefficient shortcoming of test job because of human factor, device sensitivity cause to the safety valve performance test in the prior art, a kind of many index test of once finishing on same safety valve is provided, the measuring accuracy height, the full-automatic precise tester for secondary battery safety valve of full-automatic testing.
In order to achieve the above object, the technical solution adopted in the utility model is: a kind of secondary battery safety valve gold is precision aid automatically, mainly comprises shake bucket, charging track, detects track, pick-up unit, gathering-device and PLC control system; Described shake bucket is arranged at charging track top; Described charging track is connected in the detection track of horizontal positioned, and detection track one end that is connected with the charging track is provided with feeding mechanism, and the other end is provided with and detects mouth; Described pick-up unit is arranged at and detects on the mouth; A described detection mouthful below is provided with gathering-device; Described shake bucket, feeding mechanism, pick-up unit, gathering-device all link to each other with the PLC control system.
Described charging track is provided with the inductor that links to each other with the PLC control system.
Described feeding mechanism comprises the charging cylinder of being with push rod, and the charging cylinder links to each other with the PLC control system.
Described pick-up unit comprises forward and backward briquetting, pressure-stabilized air source and clamping cylinder, and forward and backward briquetting is arranged at the front and back of detecting mouth respectively, is respectively equipped with pressure transducer in the forward and backward briquetting cavity; Preceding briquetting connects clamping cylinder, and back briquetting cavity is communicated with draft tube, and draft tube is provided with solenoid valve, progressive switch and pressure-stabilized air source; Clamping cylinder, solenoid valve, progressive switch and two pressure transducers all link to each other with the PLC control system.
Described forward and backward briquetting cavity accent is respectively equipped with sealing gasket.
Described gathering-device comprises low pressure defective products gathering-device, high pressure defective products gathering-device and the certified products gathering-device that all links to each other with solenoid valve, and described solenoid valve links to each other with the PLC control system.
Adopt above technical scheme, the beneficial effect that the utility model reaches is:
1, this detector detection efficiency height, precision height are not subjected to man's activity, stop not comprehensive, the unsettled situation of manual sampling Detection, and verification and measurement ratio reaches 100%; And safety valve detects full-automatic, does not contact with manual, does not corrode safety valve, and the safety valve porosity is not had influence;
2, the charging track is provided with inductor, when the charging track lacks material, and the work of PLC control system received signal control shake bucket, the supply feed, control shake bucket in the full back of material stops feed automatically;
3, by pressure transducer induction gas pulsation, through of the control air inlet of PLC control system to solenoid valve and progressive switch, make that gaseous tension at the uniform velocity rises in the briquetting cavity after the pressing, measurement data acquisition is stable, guarantees that the unlatching and the sealed porosity performance of test safety valve explosion-proof ball is accurate.
4, unlatching that will connect of PLC control system and confining pressure contrast setting value is judged, control the charging cylinder simultaneously and unclamp push rod, PLC control system control respective electrical magnet valve is opened, safety valve enters in low pressure defective products, certified products or the high pressure defective products gathering-device along track, can strike corresponding steel seal in respective rail to this safety valve.
Judge example:
1. setting opening pressure of safety valve is 18-25MPa, and confining pressure is 16-28MPa.
2. as opening pressure<18MPa or confining pressure<16MPa, this moment, safety valve was the low pressure defective products;
3. as opening pressure>25MPa or confining pressure>18MPa, this moment, safety valve was the high pressure defective products;
Be certified products when 4. opening pressure and confining pressure are between between setting value;
5, set test in 8 hours and finish, the PLC control system is added up all data, writes down low pressure defective products, certified products, high pressure defective products quantity, defective mode, fraction defective, qualification rate respectively, gets by LPT;
The utility model reaches full automatic working by PLC control system control automatic feed, detection automatically, automatic categorised collection, need not manually-operated, not influenced by artifact, can realize that product examines entirely, test result is accurate, efficient is high, stops manual sample testing and causes safety valve to have potential safety hazard, and tester compact conformation, system stability, easy to make, cost is low.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model pick-up unit.
Among the figure: shake bucket 1, inductor 2, charging track 3 detects track 4, detect mouth 5, pick-up unit 6, solenoid valve 7,22, high pressure defective products gathering-device 8, certified products gathering-device 9, low pressure defective products gathering-device 10, 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, solenoid valve 22, progressive switch 23, pressure-stabilized air source 24.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Full-automatic precise tester for secondary battery safety valve shown in Fig. 1,2 mainly comprises shake bucket 1, charging track 3, detects track 4, PLC control system 11 and gathering-device.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 track 4 one ends and be provided with charging cylinder 12 and push rod 13, the other end is provided with and detects mouth 5, detect mouthful 5 front and backs and be respectively equipped with back briquetting 14, preceding briquetting 17, back briquetting 14, the cavity accent of preceding briquetting 17 is respectively equipped with sealing gasket 16,15 and cavity in be respectively equipped with pressure transducer 19,20, back briquetting 14 connects clamping cylinder 18, preceding briquetting 17 cavities are communicated with a draft tube, be provided with solenoid valve 22 on the draft tube successively, progressive switch 23, pressure-stabilized air source 24 detects mouthful 5 belows and is provided with the low pressure defective products gathering-device 10 that all is connected in solenoid valve 7, certified products gathering-device 9 and high pressure defective products gathering-device 8; Shake bucket 1, inductor 2, 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 as follows:
1, charging: after being positioned over safety valve in the shake bucket, PLC control system unlatching work, safety valve enters the charging track through screening and auto arrangement, and safety valve drops down onto at action of gravity lower edge track and detects in the track; The safety valve that PLC control system control charging cylinder push-rod will detect in the track is pushed into the detection mouth.
2, detect: clamping cylinder be subjected to the control of PLC control system promote briquetting safety valve is pressed in before and after in the sealing gasket between briquetting, the PLC control system is opened at the uniform velocity air feed of solenoid valve, progressive switch, briquetting cavity internal gas pressure raises, the explosion-proof ball elastic deformation begins gas leakage, drop to certain pressure, explosion-proof ball recovers distortion sealing safety valve lower cover pore, the pressure of pressure transducer in the cavity during to the unlatching of explosion-proof ball and sealed porosity is tested, record, test finishes, and PLC control system control clamping cylinder unclamps briquetting.
3, collect: the PLC control system can be provided with pressure limit by different product and customer demand, and the safety valve performance is judged: do not arrive the gas leakage of pressure limit safety valve, belong to the low pressure defective products; Pressure when the unlatching of explosion-proof ball and sealed porosity state belongs to certified products in pressure limit; The overpressure scope is not opened, and belongs to the high pressure defective products.Safety valve after detection is judged is through the gathering-device categorised collection, and the PLC control system is opened gathering-device by judgement performance data control electromagnetic valve and collected mouth accordingly, the categorised collection of safety valve whereabouts.The inductive head that the charging track is provided with, collect data and feed back to the PLC control system, judge that the shake bucket opens and closes, and guarantees the timely feed in multiple road, each collects the steel seal device that mouth is provided with the control of PLC control system gathering-device, can strike corresponding steel seal to the safety valve of categorised collection.

Claims (6)

1. a full-automatic precise tester for secondary battery safety valve is characterized in that: mainly comprise shake bucket (1), charging track (3), detect track (4), pick-up unit (6), gathering-device and PLC control system (11);
Described shake bucket (1) is arranged at charging track (3) top;
Described charging track (3) is connected in the detection track (4) of horizontal positioned, and detection track (4) one ends that are connected with charging track (3) are provided with feeding mechanism, and the other end is provided with and detects mouthful (5);
Described pick-up unit (6) is arranged at and detects on mouthful (5);
Described detection mouthful (a 5) below is provided with gathering-device;
Described 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: described 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 is characterized in that: described feeding mechanism comprises the charging cylinder (12) of band push rod (13), and the charging cylinder links to each other with the PLC control system.
4. full-automatic precise tester for secondary battery safety valve according to claim 1, it is characterized in that: described 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, be respectively equipped with pressure transducer (19,20) in the forward and backward briquetting cavity; Preceding briquetting connects clamping cylinder (18), and back briquetting cavity is communicated with draft tube (21), and draft tube is provided with solenoid valve (22), progressive switch (23) and pressure-stabilized air source (24); Clamping cylinder, solenoid valve, progressive switch 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: described forward and backward briquetting (17,14) cavity accent 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: described gathering-device comprises low pressure defective products gathering-device (10), high pressure defective products gathering-device (8) and the certified products gathering-device (9) that all links to each other with solenoid valve (7), and described solenoid valve (7) links to each other with PLC control system (11).
CN2009203532724U 2009-12-31 2009-12-31 Full automatic precise tester for secondary battery safety valves Expired - Fee Related CN201707183U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009203532724U CN201707183U (en) 2009-12-31 2009-12-31 Full automatic precise tester for secondary battery safety valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009203532724U CN201707183U (en) 2009-12-31 2009-12-31 Full automatic precise tester for secondary battery safety valves

Publications (1)

Publication Number Publication Date
CN201707183U true CN201707183U (en) 2011-01-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009203532724U Expired - Fee Related CN201707183U (en) 2009-12-31 2009-12-31 Full automatic precise tester for secondary battery safety valves

Country Status (1)

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CN (1) CN201707183U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105239085A (en) * 2015-11-25 2016-01-13 陕西昕宇表面工程有限公司 Automatic separating collection device for two kinds of liquid
CN109855806A (en) * 2019-02-16 2019-06-07 开阳质量计量检验检测中心有限责任公司 A kind of method of calibration of safety valve sealing performance

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105239085A (en) * 2015-11-25 2016-01-13 陕西昕宇表面工程有限公司 Automatic separating collection device for two kinds of liquid
CN105239085B (en) * 2015-11-25 2018-03-09 陕西昕宇表面工程有限公司 The automatic classification collection device of two kinds of liquid
CN109855806A (en) * 2019-02-16 2019-06-07 开阳质量计量检验检测中心有限责任公司 A kind of method of calibration of safety valve sealing performance

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110112

Termination date: 20121231