CN201449442U - Explosion protecting device for rechargeable battery during test - Google Patents
Explosion protecting device for rechargeable battery during test Download PDFInfo
- Publication number
- CN201449442U CN201449442U CN 200920061077 CN200920061077U CN201449442U CN 201449442 U CN201449442 U CN 201449442U CN 200920061077 CN200920061077 CN 200920061077 CN 200920061077 U CN200920061077 U CN 200920061077U CN 201449442 U CN201449442 U CN 201449442U
- Authority
- CN
- China
- Prior art keywords
- battery
- explosion
- protection casing
- explosion protection
- cotton thread
- Prior art date
- 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 - Lifetime
Links
Images
Abstract
The utility model discloses an explosion protecting device for a rechargeable battery during the test. The explosion protecting device comprises an explosion protecting box body; a protection door is arranged on one side of the explosion protecting box body; a terminal for connecting with the testing battery is arranged inside the explosion protecting box body; a terminal for connecting with a battery testing device is arranged outside the explosion protecting box body; and the terminal for connecting with the testing battery is communicated with the terminal for connecting with the battery testing device through a connection circuit. The utility model has the advantages of simple operation, safety and low cost, ensures the safety of a rechargeable battery tester, and also can protect the rechargeable battery testing device, thereby preventing the testing device from short-circuiting caused by the explosion of the rechargeable battery.
Description
Technical field
The utility model relates to rechargeable battery production, inspection technology, and particularly a kind of rechargeable battery that is used for discharges and recharges the protective device that explodes 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 protective device of battery being blasted when being used for testing rechargeable battery.
The utility model content
Task of the present utility model is: the explosion protection device of protection test personnel and device security when a kind of testing rechargeable battery is provided.
The technical scheme of utility model is as follows:
The protective device that explodes during 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 protective device that explodes during described 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 utility model method and apparatus, 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 when being the utility model testing rechargeable battery;
The protective device side view synoptic diagram that Fig. 2 explodes when being the utility model testing rechargeable battery;
The protective device front view synoptic diagram that Fig. 3 explodes when being the utility model testing rechargeable battery;
The circuit diagram of the protective device that Fig. 4 explodes when being the utility model testing rechargeable battery.
Embodiment
The protective device that explodes during 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 explodes during the utility model 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 relay coil KM2 parallel connection of the two ends of relay coil KM1 and control sandbox bottom electric controlled door. and draft fan K switch 2 is with in parallel with the LED illuminating lamp again after draft fan 3 is connected. the K switch 3 of manually putting out a fire, in parallel with the LED illuminating lamp again after the control end of 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. the normally open contact KM2-1 of the relay K M2 of control electric controlled door, warning device hummer 16 with after warning function starting switch K4 is in series again with the LED parallel connection. the K switch of manually putting out a fire 3 is electrically connected by lead with the connected node that normally open contact KM2-1 follows warning device hummer 16 to be connected with the connected node that electric controlled door 11 control ends are connected. the two ends of the normally closed interlock KM1-1 of relay coil KM1, the two ends of normally closed interlock KM1-2, the two ends of 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 fire extinguishing K switch 3 and warning function starting switch 18 all are arranged on the control panel 17 of this riot gear.
Device of the present utility model is put into test cell 8 in the explosion protection casing of sealing 1, ensured testing rechargeable battery personnel's safety, device of the present utility model 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 (9)
1. the protective device that explodes during testing rechargeable battery, it is characterized in that: described explosion protection 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.
2. the protective device that explodes during testing rechargeable battery according to claim 1, 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.
3. the protective device that explodes during testing rechargeable battery according to claim 2, 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.
4. the protective device that explodes during according to claim 2 or 3 described testing rechargeable batteries, 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.
5. the protective device that explodes during according to claim 2 or 3 described testing rechargeable batteries, 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.
6. the protective device that explodes during testing rechargeable battery according to claim 5, 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.
7. the protective device that explodes during according to claim 2 or 3 described testing rechargeable batteries is characterized in that: the protective device that explodes during described testing rechargeable battery is provided with warning device, and warning device is controlled by the battery explosion pick-up unit.
8. the protective device that explodes during according to claim 2 or 3 described testing rechargeable batteries, it is characterized in that: described battery explosion pick-up unit is the ionic smoke sensor circuit.
9. the protective device that explodes during according to described any one testing rechargeable battery of claim 1-3, 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 200920061077 CN201449442U (en) | 2009-07-23 | 2009-07-23 | Explosion protecting device for rechargeable battery during test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920061077 CN201449442U (en) | 2009-07-23 | 2009-07-23 | Explosion protecting device for rechargeable battery during test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201449442U true CN201449442U (en) | 2010-05-05 |
Family
ID=42554163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920061077 Expired - Lifetime CN201449442U (en) | 2009-07-23 | 2009-07-23 | Explosion protecting device for rechargeable battery during test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201449442U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101650373B (en) * | 2009-07-23 | 2012-02-29 | 广东出入境检验检疫局检验检疫技术中心 | Explosion protection method and device when testing rechargeable battery |
| CN103263739A (en) * | 2013-05-30 | 2013-08-28 | 天津出入境检验检疫局工业产品安全技术中心 | Lithium battery test box with automatic fire extinguishing device |
| CN105490174A (en) * | 2016-02-17 | 2016-04-13 | 国网山东省电力公司滨州供电公司 | Explosion-proof cover for combined electric appliance cable outgoing lines |
| CN106371025A (en) * | 2016-08-22 | 2017-02-01 | 芜湖凯尔电气科技有限公司 | Internet of things applied thin battery safety testing device |
| 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 |
-
2009
- 2009-07-23 CN CN 200920061077 patent/CN201449442U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101650373B (en) * | 2009-07-23 | 2012-02-29 | 广东出入境检验检疫局检验检疫技术中心 | Explosion protection method and device when testing rechargeable battery |
| CN103263739A (en) * | 2013-05-30 | 2013-08-28 | 天津出入境检验检疫局工业产品安全技术中心 | Lithium battery test box with automatic fire extinguishing device |
| CN105490174A (en) * | 2016-02-17 | 2016-04-13 | 国网山东省电力公司滨州供电公司 | Explosion-proof cover for combined electric appliance cable outgoing lines |
| CN106371025A (en) * | 2016-08-22 | 2017-02-01 | 芜湖凯尔电气科技有限公司 | Internet of things applied thin battery safety testing device |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101650373B (en) | Explosion protection method and device when testing rechargeable battery | |
| CN201449442U (en) | Explosion protecting device for rechargeable battery during test | |
| CN205429706U (en) | Lithium ion battery and precious charging protection device that charges | |
| CN107702753A (en) | The safety monitoring device and its monitoring method of electrokinetic cell bag | |
| CN204964576U (en) | Ammeter case with automatic fire extinguishing function | |
| CN210296904U (en) | Safety device for power grid operation | |
| CN202870123U (en) | Explosion-proof test and storage observation box for lithium ion battery | |
| CN108008083A (en) | Li-ion batteries piles thermal runaway autoalarm and its monitoring method based on gas-monitoring | |
| CN205538114U (en) | Leakage alarm device of primary lithium battery pack | |
| CN106581878A (en) | Pneumatic window breaking escape device | |
| CN203217721U (en) | Novel electric equipment anti-electric-shock warning device | |
| CN205863768U (en) | A kind of monitoring alarm device of power distribution station | |
| CN209472371U (en) | A kind of novel cable transition joint running protection device | |
| CN205983783U (en) | Novel fire alarm device | |
| CN201928058U (en) | Highly-efficient safe storage battery charger | |
| CN211743804U (en) | Power equipment with angular velocity measuring module | |
| CN203941223U (en) | Non-maintaining condensing type electroscope | |
| CN204858666U (en) | A intelligence protection clip for car is emergent to be started | |
| CN107085907A (en) | A kind of fire-fighting prior-warning device | |
| CN202121290U (en) | Novel arc extinguishing type electrical fireproof short circuit protection device | |
| CN202586272U (en) | Pressure early warning time-delay protection device | |
| CN207024445U (en) | A kind of fire extinguisher with teleautomatics | |
| CN207517170U (en) | A kind of compressed air and nitrogen dew point monitoring and alarming system | |
| CN203338498U (en) | High-voltage test area alarming device | |
| CN206642225U (en) | A kind of life-saving hamer flashlight with explosion prevention function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100505 Effective date of abandoning: 20090723 |