CN101650373B - Explosion protection method and device when testing rechargeable battery - Google Patents
Explosion protection method and device when testing rechargeable battery Download PDFInfo
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- CN101650373B CN101650373B CN 200910041349 CN200910041349A CN101650373B CN 101650373 B CN101650373 B CN 101650373B CN 200910041349 CN200910041349 CN 200910041349 CN 200910041349 A CN200910041349 A CN 200910041349A CN 101650373 B CN101650373 B CN 101650373B
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- explosion
- battery
- protection casing
- rechargeable battery
- explosion protection
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Abstract
The invention discloses an explosion protection method and a device when testing a rechargeable battery. The rechargeable battery to be tested is sealed into an explosion protection box, and a terminal point of the rechargeable battery is led to outside of the explosion protection box used for connecting a rechargeable battery testing device. A fire extinguishing apparatus and an explosion detection device are arranged inside the explosion protection box, thus when the rechargeable battery explodes, the explosion detection device triggers the fire extinguishing apparatus to put out a fire, and cuts a junction circuit of the tested battery and the rechargeable battery testing device. The invention has the advantages of simple operation, safety, low cost, capacity of guaranteeing safety of staff, protecting the rechargeable battery testing device, and preventing short circuit of the testing device caused by battery explosion.
Description
Technical field
The present invention relates to rechargeable battery production, inspection technology, particularly a kind of rechargeable battery that is used for discharges and recharges explosion protection method and device when testing.
Background technology
Rechargeable batteries such as lithium ion have been widely used on mobile phone, toy, electric bicycle or other articles for daily use at present, and China is rechargeable battery production and marketing big country, and export volume is huge.According to standard-requireds such as GB/T18287, need rechargeable battery is done the large current density electric test.In process of the test before, battery explosion accident on fire repeatedly took place, serious threat the safety of testing crew and testing equipment.It is reported, on market, also do not find at present any means of defence and device of battery being blasted when being used for testing rechargeable battery.
Summary of the invention
Task of the present invention is: the explosion protection method and the device of protection test personnel and device security when a kind of testing rechargeable battery is provided.
Technical scheme of the present invention is following:
Explosion protection method during to testing rechargeable battery, this method comprise the following steps: that the battery that (a) will test is enclosed in the explosion protection casing; (b) be drawn out to the outside of explosion protection casing to the wiring point of test cell through CC, be used to connect battery testing equipment; (c) at the set inside extinguishing device and the battery explosion pick-up unit of explosion protection casing; (d) make when battery explosion battery explosion pick-up unit trigger the extinguishing device fire extinguishing and cut off the CC of test cell and battery testing equipment.
The protective device that explodes during to testing rechargeable battery; Comprise an explosion protection casing; One side of explosion protection casing is provided with protective door; The inside of explosion protection casing is provided with the terminals that are used to connect test cell, and explosion protection casing outside is provided with the terminals that are used to connect battery testing equipment, and the terminals that are used to connect test cell are communicated with through CC with the terminals that are used to be connected battery testing equipment.
Be provided with extinguishing device and battery explosion pick-up unit in the said explosion protection casing, battery explosion pick-up unit control extinguishing device is put out a fire when battery is blasted.
Said CC is Relay Link Circuit or contactor CC and by the control of battery explosion pick-up unit, block system relay CC or contactor CC when the battery explosion pick-up unit detects battery explosion.
Said extinguishing device is arranged on the top of explosion protection casing, comprises the sandbox that is used for the splendid attire sand, and the top of sandbox is provided with the sandbox lid, and the sandbox bottom is provided with electric controlled door, and electric controlled door is controlled by the battery explosion pick-up unit.
Said battery explosion pick-up unit comprises microswitch, cotton thread and cotton thread support; The two ends of cotton thread support are provided with fulcrum; Microswitch is arranged between two fulcrums; Cotton thread is wrapped in the triggering button that is in tensioned state on the fulcrum at two ends and presses microswitch makes the circuit of microswitch be in off state, followed the torch cotton thread to blow when battery is blasted after, the triggering button of microswitch ejects the circuit that makes microswitch and is in channel status and triggers the extinguishing device fire extinguishing at once.
The left and right sides is vertically installed with the cotton thread support guide in the said explosion protection casing, and the cotton thread support is movably arranged on the cotton thread support guide and can moves up and down along guide rail.
The said protective device that explodes during to testing rechargeable battery is provided with warning device, and warning device is controlled by the battery explosion pick-up unit.
Said battery explosion pick-up unit is the ionic smoke sensor circuit.
The tank wall of said explosion protection casing adopts double-layer steel plate structure; Be provided with discharge flue in the explosion protection casing; Be provided with draft fan in the discharge flue; The inner bottom part of explosion protection casing is covered with slabstone, and said protective door is provided with transparent implosion guard watch window, is provided with the LED illuminating lamp in the explosion protection casing.
Adopt the inventive method and device, simple to operate, safe, with low cost, both can ensure testing rechargeable battery personnel's safety, also can protect testing rechargeable battery equipment simultaneously, prevent to cause the phenomenon of testing equipment short circuit because of the rechargeable battery blast.The fire extinguishing of use sand, the sand reusable edible, with low cost, use cotton thread to be blown and trigger corresponding action, compare the fire-fighting smoke detector, its cost is cheaper.
Description of drawings
The protective device synoptic diagram that Fig. 1 explodes during to testing rechargeable battery for the present invention;
The protective device side view synoptic diagram that Fig. 2 explodes during to testing rechargeable battery for the present invention;
The protective device front view synoptic diagram that Fig. 3 explodes during to testing rechargeable battery for the present invention;
The circuit diagram of the protective device that Fig. 4 explodes during to testing rechargeable battery for the present invention.
Embodiment
Explosion protection method during to testing rechargeable battery, step is: the battery that (a) will test is enclosed in the explosion protection casing; (b) be drawn out to the outside of explosion protection casing to the wiring point of test cell through CC, be used to connect battery testing equipment; (c) at the set inside extinguishing device and the battery explosion pick-up unit of explosion protection casing; (d) make when battery explosion battery explosion pick-up unit trigger the extinguishing device fire extinguishing and cut off the CC of test cell and battery testing equipment.
The protective device that explodes during to testing rechargeable battery; Shown in Fig. 1-3; Comprise an explosion protection casing 1; The tank wall of explosion protection casing 1 adopts double-layer steel plate structure; Be provided with the LED illuminating lamp in the explosion protection casing, be provided with discharge flue 2 in the explosion protection casing, be provided with draft fan 3 in the discharge flue; The inner bottom part of explosion protection casing is covered with slabstone; One side of explosion protection casing is provided with protective door 4, and protective door 4 is provided with transparent implosion guard watch window 5, and the inside of explosion protection casing 1 is provided with the terminals 6 that are used to connect test cell 8; Explosion protection casing 1 outside is provided with the terminals 7 that are used to connect battery testing equipment; The terminals 6 that are used to connect test cell 8 are communicated with through Relay Link Circuit or contactor CC with the terminals 7 that are used to be connected battery testing equipment, are provided with extinguishing device, battery explosion pick-up unit and warning device in the explosion protection casing, and battery explosion pick-up unit control extinguishing device is put out a fire and controlled warning device simultaneously and send alerting signal and cut off said Relay Link Circuit or contactor CC the inner terminals 6 of explosion protection casing 1 and terminals 7 disconnections of explosion protection casing outside are connected when battery is blasted.
Extinguishing device is arranged on the top of explosion protection casing, comprises the sandbox 9 that is used for the splendid attire sand, and the top of sandbox is provided with sandbox lid 10, and the sandbox bottom is provided with electric controlled door 11, and electric controlled door 11 is controlled by the battery explosion pick-up unit.
The battery explosion pick-up unit comprises microswitch 12, cotton thread 13 and cotton thread support 14; The two ends of cotton thread support 14 are provided with fulcrum; Microswitch 12 is arranged between two fulcrums; Cotton thread 13 is wrapped in the triggering button that is in tensioned state on the fulcrum at two ends and presses microswitch 12 makes the circuit of microswitch 12 be in off state, followed torch cotton thread 13 to be blown when test cell 8 is blasted after, the triggering button of microswitch 12 ejects the circuit that makes microswitch 12 and is in channel status and triggers the extinguishing device fire extinguishing at once; The left and right sides is vertically installed with cotton thread support guide 15 in the explosion protection casing 1; Cotton thread support 14 is movably arranged on the cotton thread support guide 15 and can moves up and down along guide rail, makes cotton thread 13 just be in the top of test cell 8, general 1～2mm place.
The battery explosion pick-up unit also can be the ionic smoke sensor circuit.
A concrete CC of the protective device that the present invention is exploded during to testing rechargeable battery is as shown in Figure 4; After external power supply is come in through being connected with the input end of Switching Power Supply behind the power switch K1; The output terminal of Switching Power Supply links to each other with said LED illuminating lamp; As the illumination in the explosion protection casing 1, an end of Switching Power Supply is connected with microswitch 12, and the other end of microswitch 12 connects with the coil KM1 of the relay that is connected the interior external terminal of explosion protection casing; The other end of relay coil KM1 is connected on the other end of Switching Power Supply, forms a loop.The two ends of relay coil KM1 are parallelly connected with the relay coil KM2 of control sandbox bottom electric controlled door.Draft fan K switch 2 is with parallelly connected with the LED illuminating lamp again after draft fan 3 is connected.It is parallelly connected with the LED illuminating lamp again after manually the control end of fire extinguishing K switch 3, electric controlled door 11 and being used to detects detector switch 18 that whether sandbox bottom electric controlled door 11 close and is in series.It is parallelly connected with LED again after normally open contact KM2-1, warning device hummer 16 and the warning function starting switch K4 of the relay K M2 of control electric controlled door is in series.Manually fire extinguishing K switch 3 is electrically connected through lead with the connected node that warning device hummer 16 is connected with normally open contact KM2-1 with the connected node that electric controlled door 11 control ends connect.The two ends of the two ends of the normally closed interlock KM1-1 of relay coil KM1, the two ends of normally closed interlock KM1-2, normally closed interlock KM1-3, the two ends of normally closed interlock KM1-4 are connected with the outer terminals 7 of anti-riot casing with anti-riot casing 1 interior terminals 6 respectively separately.Above-described power switch K1, draft fan K switch 2, manually put out a fire K switch 3 and warning function starting switch 18 all is arranged on the control panel 17 of this riot gear.
Method of the present invention or device are put in the explosion protection casing of sealing 1 to test cell 8; Ensured testing rechargeable battery personnel's safety; Device of the present invention causes three actions simultaneously after rechargeable battery 8 is blasted; The one, the electric controlled door 11 of sandbox bottom is opened, and the flame that sand unloads rapidly rechargeable battery 8 puts out; The 2nd, the circuit between the binding post 7 that the explosion protection casing is outside and the binding post 7 of explosion protection box house is broken off rapidly, avoid the short circuit that causes because of the battery fusing, thereby protection battery charging and discharging testing equipment is injury-free; The 3rd, the alarm song sound equipment rises, notice battery testing personnel.The smog of the anti-riot casing 1 inner generation because test cell explodes is discharged through discharge flue 2 and draft fan 3.
Claims (7)
1. the protective device that explodes during to testing rechargeable battery; It is characterized in that: said protective device comprises an explosion protection casing; One side of explosion protection casing is provided with protective door; The inside of explosion protection casing is provided with the terminals that are used to connect test cell, and explosion protection casing outside is provided with the terminals that are used to connect battery testing equipment, and the terminals that are used to connect test cell are communicated with through CC with the terminals that are used to be connected battery testing equipment; Be provided with extinguishing device and battery explosion pick-up unit in the explosion protection casing, battery explosion pick-up unit control extinguishing device is put out a fire when battery is blasted; Said battery explosion pick-up unit comprises microswitch, cotton thread and cotton thread support; The two ends of cotton thread support are provided with fulcrum; Microswitch is arranged between two fulcrums; Cotton thread is wrapped in the triggering button that is in tensioned state on the fulcrum at two ends and presses microswitch makes the circuit of microswitch be in off state, followed the torch cotton thread to blow when battery is blasted after, the triggering button of microswitch ejects the circuit that makes microswitch and is in channel status and triggers the extinguishing device fire extinguishing at once.
2. the protective device that explodes during to testing rechargeable battery according to claim 1; It is characterized in that: said CC is Relay Link Circuit or contactor CC and by the control of battery explosion pick-up unit, and the battery explosion pick-up unit cuts off described Relay Link Circuit or contactor CC when detecting battery explosion.
3. the protective device that explodes during to testing rechargeable battery according to claim 1 and 2; It is characterized in that: said extinguishing device is arranged on the top of explosion protection casing; Comprise the sandbox that is used for the splendid attire sand; The top of sandbox is provided with the sandbox lid, and the sandbox bottom is provided with electric controlled door, and electric controlled door is controlled by the battery explosion pick-up unit.
4. the protective device that explodes during to testing rechargeable battery according to claim 1; It is characterized in that: the left and right sides is vertically installed with the cotton thread support guide in the said explosion protection casing, and the cotton thread support is movably arranged on the cotton thread support guide and can moves up and down along guide rail.
5. the protective device that explodes during to testing rechargeable battery according to claim 1 and 2 is characterized in that: the said protective device that explodes during to testing rechargeable battery is provided with warning device, and warning device is controlled by the battery explosion pick-up unit.
6. the protective device that explodes during to testing rechargeable battery according to claim 1 and 2, it is characterized in that: said battery explosion pick-up unit is the ionic smoke sensor circuit.
7. the protective device that explodes during to testing rechargeable battery according to claim 1 and 2; It is characterized in that: the tank wall of said explosion protection casing adopts double-layer steel plate structure; Be provided with discharge flue in the explosion protection casing, be provided with draft fan in the discharge flue, the inner bottom part of explosion protection casing is covered with slabstone; Said protective door is provided with transparent implosion guard watch window, is provided with the LED illuminating lamp in the explosion protection casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910041349 CN101650373B (en) | 2009-07-23 | 2009-07-23 | Explosion protection method and device when testing rechargeable battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910041349 CN101650373B (en) | 2009-07-23 | 2009-07-23 | Explosion protection method and device when testing rechargeable battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101650373A CN101650373A (en) | 2010-02-17 |
| CN101650373B true CN101650373B (en) | 2012-02-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 200910041349 Expired - Fee Related CN101650373B (en) | 2009-07-23 | 2009-07-23 | Explosion protection method and device when testing rechargeable battery |
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| Country | Link |
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| CN (1) | CN101650373B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104280660A (en) * | 2014-10-30 | 2015-01-14 | 安徽捷迅光电技术有限公司 | Finished valve short circuit detecting tool |
| CN106199439A (en) * | 2016-07-01 | 2016-12-07 | 合肥国轩高科动力能源有限公司 | Battery testing security protection machine |
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| CN102435887A (en) * | 2011-10-12 | 2012-05-02 | 成都兴业雷安电子有限公司 | Test object cabinet for testing anticipated short-circuit current of SPD (surge protection device) |
| CN102508171A (en) * | 2011-11-14 | 2012-06-20 | 江苏环能通环保科技有限公司 | Device for detecting lithium battery |
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| CN106340602A (en) * | 2016-10-19 | 2017-01-18 | 重庆无线绿洲通信技术有限公司 | Automotive battery charging-discharging explosion-proof box |
| CN106932727A (en) * | 2017-03-27 | 2017-07-07 | 安徽鸿创新能源动力有限公司 | A kind of electrokinetic cell charge and discharge electric test explosion-protection equipment |
| CN107132487A (en) * | 2017-06-22 | 2017-09-05 | 广州中国科学院工业技术研究院 | Secondary cell thermal runaway propagates test system |
| CN108554583B (en) * | 2018-05-10 | 2020-10-27 | 西安近代化学研究所 | Explosion-proof safe grinder |
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| CN109603037A (en) * | 2018-12-03 | 2019-04-12 | 上海上汽安悦充电科技有限公司 | A kind of self-extinguishing facility suitable for charging pile |
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| CN111289696B (en) * | 2020-03-17 | 2020-12-22 | 芜湖楚睿智能科技有限公司 | Danger test box for lithium battery explosion |
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| CN201449442U (en) * | 2009-07-23 | 2010-05-05 | 广东出入境检验检疫局检验检疫技术中心 | Explosion protecting device for rechargeable battery during test |
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- 2009-07-23 CN CN 200910041349 patent/CN101650373B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2749528Y (en) * | 2004-11-24 | 2006-01-04 | 深圳市有为科技发展有限公司 | Fire detection alarming for equipment cabinet and fire extinguishing arrangement |
| CN2909282Y (en) * | 2005-10-26 | 2007-06-06 | 中国北方车辆研究所 | Testing box for safety property of power battery of electric motor car |
| CN201449442U (en) * | 2009-07-23 | 2010-05-05 | 广东出入境检验检疫局检验检疫技术中心 | Explosion protecting device for rechargeable battery during test |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104280660A (en) * | 2014-10-30 | 2015-01-14 | 安徽捷迅光电技术有限公司 | Finished valve short circuit detecting tool |
| CN106199439A (en) * | 2016-07-01 | 2016-12-07 | 合肥国轩高科动力能源有限公司 | Battery testing security protection machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101650373A (en) | 2010-02-17 |
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