CN101650373A - 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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- CN101650373A CN101650373A CN200910041349A CN200910041349A CN101650373A CN 101650373 A CN101650373 A CN 101650373A CN 200910041349 A CN200910041349 A CN 200910041349A CN 200910041349 A CN200910041349 A CN 200910041349A CN 101650373 A CN101650373 A CN 101650373A
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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, andcuts 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 now have been widely used on mobile phone, toy, electric bicycle or other articles for daily use, 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 as follows:
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) wiring point of test cell is drawn out to the outside of explosion protection casing by connecting circuit, is used to connect battery testing equipment; (c) extinguishing device and battery explosion pick-up unit are set in the inside of explosion protection casing; (d) make when battery explosion battery explosion pick-up unit trigger the extinguishing device fire extinguishing and cut off the connecting circuit 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, 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 by connecting circuit 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 described explosion protection casing, battery explosion pick-up unit control extinguishing device is put out a fire when battery is blasted.
Described connecting circuit is Relay Link Circuit or contactor connecting circuit and by the control of battery explosion pick-up unit, block system relay circuit or contactor circuit when the battery explosion pick-up unit detects battery explosion.
Described 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.
Described 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, after having followed the torch cotton thread to be blown when battery is blasted, the ejection of the triggering button of microswitch makes the circuit of microswitch be 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 described 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 described 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.
Described battery explosion pick-up unit is the ionic smoke sensor circuit.
The tank wall of described 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, described 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: (a) battery that will test is enclosed in the explosion protection casing; (b) wiring point of test cell is drawn out to the outside of explosion protection casing by connecting circuit, is used to connect battery testing equipment; (c) extinguishing device and battery explosion pick-up unit are set in the inside of explosion protection casing; (d) make when battery explosion battery explosion pick-up unit trigger the extinguishing device fire extinguishing and cut off the connecting circuit of test cell and battery testing equipment.
The protective device that explodes during to testing rechargeable battery, as Figure 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, protective door 4 is provided with transparent implosion guard watch window 5, 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 by Relay Link Circuit or contactor connecting circuit with the terminals 7 that are used to be connected battery testing equipment, be provided with extinguishing device in the explosion protection casing, battery explosion pick-up unit and warning device, battery explosion pick-up unit control extinguishing device is put out a fire and is controlled warning device simultaneously and send alerting signal and cut off described relay circuit or contactor circuit is connected the terminals 6 of explosion protection casing 1 inside and terminals 7 disconnections of explosion protection casing outside 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, after having followed torch cotton thread 13 to be blown when test cell 8 is blasted, the triggering button ejection of microswitch 12 makes the circuit of microswitch 12 be 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, make 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 connecting circuit of the protective device that the present invention is exploded during to testing rechargeable battery 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 described LED illuminating lamp, as the illumination in the explosion protection casing 1, one end of Switching Power Supply is connected with microswitch 12, 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 in parallel with the relay coil KM2 of control sandbox bottom electric controlled door.Draft fan K switch 2 is with in parallel with the LED illuminating lamp again after draft fan 3 is connected.It is in parallel 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 in parallel 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 by 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 outer terminals 7 of terminals 6 and anti-riot casing in the anti-riot casing 1 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 of explosion protection casing outside and the binding post 7 of explosion protection box house is disconnected rapidly, avoid the short circuit that causes because of 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 by discharge flue 2 and draft fan 3.
Claims (10)
- Explosion protection method during 1, to testing rechargeable battery is characterized in that comprising the following steps: that the battery that (a) will test is enclosed in the explosion protection casing; (b) wiring point of test cell is drawn out to the outside of explosion protection casing by connecting circuit, is used to connect battery testing equipment; (c) extinguishing device and battery explosion pick-up unit are set in the inside of explosion protection casing; (d) make when battery explosion battery explosion pick-up unit trigger the extinguishing device fire extinguishing and cut off the connecting circuit of test cell and battery testing equipment.
- The protective device that explodes during 2, to testing rechargeable battery, it is characterized in that: described 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, 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 by connecting circuit with the terminals that are used to be connected battery testing equipment.
- 3, the protective device that explodes during to testing rechargeable battery according to claim 2, it is characterized in that: be provided with extinguishing device and battery explosion pick-up unit in the described explosion protection casing, battery explosion pick-up unit control extinguishing device is put out a fire when battery is blasted.
- 4, the protective device that explodes during to testing rechargeable battery according to claim 3, it is characterized in that: described connecting circuit is Relay Link Circuit or contactor connecting circuit and by the control of battery explosion pick-up unit, and the battery explosion pick-up unit cuts off described relay circuit or contactor circuit when detecting battery explosion.
- 5, according to claim 3 or the 4 described protective devices that explode during to testing rechargeable battery, it is characterized in that: described 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, the sandbox bottom is provided with electric controlled door, and electric controlled door is controlled by the battery explosion pick-up unit.
- 6, according to claim 3 or the 4 described protective devices that explode during to testing rechargeable battery, it is characterized in that: described 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, after having followed the torch cotton thread to be blown when battery is blasted, the ejection of the triggering button of microswitch makes the circuit of microswitch be in channel status and triggers the extinguishing device fire extinguishing at once.
- 7, the protective device that explodes during to testing rechargeable battery according to claim 6, it is characterized in that: the left and right sides is vertically installed with the cotton thread support guide in the described 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.
- 8, according to claim 3 or the 4 described protective devices that explode during to testing rechargeable battery, it is characterized in that: the described 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.
- 9, according to claim 3 or the 4 described protective devices that explode during to testing rechargeable battery, it is characterized in that: described battery explosion pick-up unit is the ionic smoke sensor circuit.
- 10, according to the described protective device that any one explodes during to testing rechargeable battery of claim 2-4, it is characterized in that: the tank wall of described 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, described 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 |
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| Publication Number | Publication Date |
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| CN101650373A true CN101650373A (en) | 2010-02-17 |
| CN101650373B CN101650373B (en) | 2012-02-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| 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 |
| CN103726762A (en) * | 2013-12-20 | 2014-04-16 | 吴江市震宇缝制设备有限公司 | Observation window of spray tower |
| CN104492006A (en) * | 2014-12-02 | 2015-04-08 | 宁波市令通电信设备有限公司 | Multimedia box |
| 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 |
| 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 |
| CN108554583A (en) * | 2018-05-10 | 2018-09-21 | 西安近代化学研究所 | A kind of anti-explosion safety grinding device |
| 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 |
| CN109603036A (en) * | 2018-11-19 | 2019-04-12 | 朱倩倩 | A kind of battery fire plant |
| CN109683090A (en) * | 2019-01-02 | 2019-04-26 | 江苏金派克新能源有限公司 | A kind of charging and discharging lithium battery analog platform |
| CN110346669A (en) * | 2019-08-07 | 2019-10-18 | 重庆臻宝实业有限公司 | Lower electrode detection system |
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| CN110962650A (en) * | 2019-12-24 | 2020-04-07 | 东阳坪洲电动车科技有限公司 | A protection device for storage battery car storage battery charges |
| CN111289696A (en) * | 2020-03-17 | 2020-06-16 | 义乌市玉刚箱包有限公司 | Danger test box for lithium battery explosion |
| CN111870842A (en) * | 2020-07-30 | 2020-11-03 | 徐志群 | Automatic fire extinguishing device for industrial factory building circuit protection |
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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
- 2009-07-23 CN CN 200910041349 patent/CN101650373B/en not_active Expired - Fee Related
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN103726762A (en) * | 2013-12-20 | 2014-04-16 | 吴江市震宇缝制设备有限公司 | Observation window of spray tower |
| CN103726762B (en) * | 2013-12-20 | 2015-11-18 | 吴江市震宇缝制设备有限公司 | A kind of observation window of spray tower |
| CN104492006A (en) * | 2014-12-02 | 2015-04-08 | 宁波市令通电信设备有限公司 | Multimedia box |
| CN104492006B (en) * | 2014-12-02 | 2017-03-29 | 宁波市令通电信设备有限公司 | A kind of Multi-media box |
| 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 |
| 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 |
| CN108554583A (en) * | 2018-05-10 | 2018-09-21 | 西安近代化学研究所 | A kind of anti-explosion safety grinding device |
| CN110865306A (en) * | 2018-08-27 | 2020-03-06 | 阿滨仪器(天津)有限公司 | Multi-cavity independent safety test box, temperature control box and cold plate box |
| CN109603036A (en) * | 2018-11-19 | 2019-04-12 | 朱倩倩 | A kind of battery fire plant |
| CN109603036B (en) * | 2018-11-19 | 2021-03-23 | 合隆防爆电气有限公司 | Battery fire control unit |
| 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 |
| CN109683090A (en) * | 2019-01-02 | 2019-04-26 | 江苏金派克新能源有限公司 | A kind of charging and discharging lithium battery analog platform |
| CN110346669A (en) * | 2019-08-07 | 2019-10-18 | 重庆臻宝实业有限公司 | Lower electrode detection system |
| CN110962650A (en) * | 2019-12-24 | 2020-04-07 | 东阳坪洲电动车科技有限公司 | A protection device for storage battery car storage battery charges |
| CN110962650B (en) * | 2019-12-24 | 2020-11-27 | 安徽沃博源科技有限公司 | A protection device for storage battery car storage battery charges |
| CN111289696A (en) * | 2020-03-17 | 2020-06-16 | 义乌市玉刚箱包有限公司 | Danger test box for lithium battery explosion |
| CN111870842A (en) * | 2020-07-30 | 2020-11-03 | 徐志群 | Automatic fire extinguishing device for industrial factory building circuit protection |
| CN111921126A (en) * | 2020-09-14 | 2020-11-13 | 南京酷朗电子有限公司 | Accident isolation system for energy storage power station |
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