CN103812091A - Lithium battery pack protector - Google Patents
Lithium battery pack protector Download PDFInfo
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- CN103812091A CN103812091A CN201410062719.8A CN201410062719A CN103812091A CN 103812091 A CN103812091 A CN 103812091A CN 201410062719 A CN201410062719 A CN 201410062719A CN 103812091 A CN103812091 A CN 103812091A
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- battery pack
- lithium battery
- processor
- protecting device
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Abstract
The invention provides a lithium battery pack protector. A positive output end and a negative output end are arranged on the lithium battery pack. The protector is characterized by comprising a processor, a sensing module and an output switch which is in series connection with the positive output end of the battery pack, and the processor controls on or off of the output switch according to a lithium battery pack working state signal which is back fed by the sensing module. By means of the lithium battery pack protector, the lithium battery pack is monitored in real time, a fault can be timely and early warned and processed, the safety of the battery pack and battery pack storing space can be guaranteed, and compared with manual detecting methods, the lithium battery pack protector is higher in detecting accuracy, further comprehensive in monitoring and more timely in feedback.
Description
Technical field
The present invention relates to a kind of lithium battery pack protecting device.
Background technology
Large-scale lithium battery group can produce more heat transfer in the time that overload is worked, and long-time overload work exists potential safety hazard on fire, that even explode.At present large-scale lithium battery group is safeguarded to be generally regularly to detect by artificial, and the less impact that can take into account battery pack surrounding environment.There is intrinsic defect in which: 1, the time interval of manual detection long and accuracy of detection is lower, fault and the hidden danger of more difficult discovery battery pack and circuit thereof, when particularly detection the larger some lithium battery groups of quantity; 2, can not feed back the working status parameter of lithium battery group in real time, cannot carry out early warning or processing to fault in time; 3, ignore the impact of battery pack surrounding enviroment, do not predicted the potential safety hazard that illumination, temperature cause battery pack.
Summary of the invention
The present invention proposes a kind of lithium battery pack protecting device, for lithium battery group provides real-time monitoring and power-off protection, ensures the safety of battery pack and battery pack parking space.Its technical scheme is as follows:
A kind of lithium battery pack protecting device; described large-scale lithium battery group is provided with positive and negative output; described protective device is characterised in that: comprise processor, sensing module and be serially connected with the output switch of battery pack positive output end, described processor is according to the break-make of the lithium battery group working state signal control output switch of sensing module feedback.
Such scheme can carry out Real-Time Monitoring to lithium battery group, and fault is realized to early warning timely and processing, ensures the safety of battery pack and battery pack parking space; Than manual detection mode, its accuracy of detection is higher, monitoring is more comprehensive, feedback is more timely.
Preferably, described sensing module comprises one or more in optical sensor, temperature sensor, smoke detector;
Described optical sensor, in order to obtain the illuminance of outer bound pair lithium battery group;
Described temperature sensor, in order to survey lithium battery group and Temperature numerical around;
Described smoke detector, in order to survey lithium battery and smog around;
It is alarming threshold value that described processor presets a certain illumination value, in the time that the Real-Time Optical illumination of lithium battery group exceedes this value, reports to the police, and reminds staff to extremely processing; In like manner, be preset with equally temperature alarming threshold values.In the time that smoke detector detects the smog producing because of ignition, processor is reported to the police according to actual design demand or is produced other control signal.
Such scheme considers the impact of surrounding environment on battery pack and the phenomenon of the overheated ignition of battery pack surveyed, and staff can adjust according to testing result the environmental parameter of battery pack, to reduce its impact on battery pack.Meanwhile, by data more can be effective and rapid potential faults is carried out to early warning and processing.
Preferably, described protective device is also provided with Fire extinguisher, asks to drive extinguishing device to be put out a fire in order to respond the control of described processor.The data that processor feeds back according to temperature sensor and smoke detector judge whether to occur fire alarm, the operation of then reporting to the police or put out a fire.
Such scheme and fire extinguishing system interlock, the loss that fault can be caused is down to minimum.
Preferably, described processor is also provided with a data output end, in order to export the real-time status parameter of default alarm signal, battery pack or the parameter that other is obtained by sensing module.
Such scheme can obtain by PDA, PC etc. the data of data output end, for monitoring, statistics, warning provide Data support.
Preferably, described output switch comprises an electromagnetic relay, and the switch ways of described electromagnetic relay is serially connected with battery pack positive output end, and electromagnetism path is connected with processor.
Preferably, described output switch comprises a transistor, and described strings of transistors is connected to the output switch of battery pack positive output end, and its grid is connected with processor.
Preferably, described protective device also comprises folding transducer, and described folding transducer is located at the place that covers of lithium battery group place casing, in order to opening or closure of monitoring cell case, and feeds back to described processor.
Advantage of the present invention and beneficial effect are:
1, realize that precision is high, monitoring comprehensively, feed back battery pack Working Status Monitoring timely, the generation of effectively minimizing accident and the reply efficiency improving fault.
2, consider the impact of surrounding environment on battery pack, more can carry out early warning and processing to potential faults effective and rapidly.
3, with fire extinguishing system interlock, the loss that fault can be caused is down to minimum.
4, leave data output end, its data can be applicable to other monitoring or control system, facilitate system group network or system interlink to regulate.
Accompanying drawing explanation
Fig. 1 is structural framing schematic diagram of the present invention.
Fig. 2 is output switch circuit schematic diagram one of the present invention.
Fig. 3 is output switch circuit schematic diagram two of the present invention.
Embodiment
As follows by reference to the accompanying drawings, the application's scheme is further described:
As shown in Figure 1; a kind of lithium battery pack protecting device; described large-scale lithium battery group 10 is provided with positive and negative output; described protective device comprises processor 1, sensing module 2 and is serially connected with the output switch 3 of battery pack 10 positive output ends, the break-make of the lithium battery group 10 working state signal control output switchs 3 that described processor 1 feeds back according to sensing module 2.
Such scheme can carry out Real-Time Monitoring to lithium battery group, and fault is realized to early warning timely and processing, ensures the safety of battery pack and battery pack parking space; Than manual detection mode, its accuracy of detection is higher, monitoring is more comprehensive, feedback is more timely.
Described sensing module 2 comprises smoke detector 21, optical sensor 22, temperature sensor 23 and folding transducer 24;
Described smoke detector 21, in order to survey lithium battery and smog around;
Described optical sensor 22, in order to obtain the illuminance of outer bound pair lithium battery group;
Described temperature sensor 23, in order to survey lithium battery group and Temperature numerical around;
Described folding transducer 24, is located at the place that covers of lithium battery group place casing, in order to monitoring cell case open or closed, and feed back to described processor 1.
Described protective device is also provided with Fire extinguisher 4, asks to drive extinguishing device to be put out a fire in order to respond the control of described processor 1.Fire extinguisher 4 and fire extinguishing system interlock, the loss that fault can be caused is down to minimum.
Described processor 1 is also provided with a data output end DATA, in order to export the real-time status parameter of default alarm signal, battery pack or the parameter that other is obtained by sensing module.
Such scheme can obtain by PDA, PC etc. the data of data output end, for monitoring, statistics, warning provide Data support.
As shown in Figure 2, described output switch 3 comprises an electromagnetic relay, and the switch ways of described electromagnetic relay is serially connected with battery pack positive output end, and electromagnetism path is connected with processor.
As shown in Figure 3, described output switch 3 comprises a transistor, and described strings of transistors is connected to the output switch of battery pack positive output end, and its grid is connected with processor.
Above-mentioned preferred implementation should be considered as illustrating of the application's scheme implementation mode, and identical, the approximate or technology deduction made based on this of all and the application's scheme, replacement, improvement etc. all should be considered as the protection range of this patent.
Claims (7)
1. a lithium battery pack protecting device; described large-scale lithium battery group is provided with positive and negative output; described protective device is characterised in that: comprise processor, sensing module and be serially connected with the output switch of battery pack positive output end, described processor is according to the break-make of the lithium battery group working state signal control output switch of sensing module feedback.
2. a kind of lithium battery pack protecting device according to claim 1, is characterized in that: described sensing module comprises one or more in optical sensor, temperature sensor, smoke detector;
Described optical sensor, in order to obtain the illuminance of outer bound pair lithium battery group;
Described temperature sensor, in order to survey lithium battery group and Temperature numerical around;
Described smoke detector, in order to survey lithium battery and smog around.
3. a kind of lithium battery pack protecting device according to claim 2, is characterized in that: be also provided with Fire extinguisher, ask to drive extinguishing device to be put out a fire in order to respond the control of described processor.
4. a kind of lithium battery pack protecting device according to claim 3, is characterized in that: described processor is also provided with a data output end, in order to export the real-time status parameter of default alarm signal, battery pack or the parameter that other is obtained by sensing module.
5. a kind of lithium battery pack protecting device according to claim 4, is characterized in that: described output switch comprises an electromagnetic relay, the switch ways of described electromagnetic relay is serially connected with battery pack positive output end, and electromagnetism path is connected with processor.
6. a kind of lithium battery pack protecting device according to claim 4, is characterized in that: described output switch comprises a transistor, described strings of transistors is connected to the output switch of battery pack positive output end, and its grid is connected with processor.
7. according to a kind of lithium battery pack protecting device described in claim 5 or 6; it is characterized in that: also comprise folding transducer; described folding transducer is located at the place that covers of lithium battery group place casing, in order to opening or closure of monitoring cell case, and feeds back to described processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062719.8A CN103812091A (en) | 2014-02-22 | 2014-02-22 | Lithium battery pack protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062719.8A CN103812091A (en) | 2014-02-22 | 2014-02-22 | Lithium battery pack protector |
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| CN103812091A true CN103812091A (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410062719.8A Pending CN103812091A (en) | 2014-02-22 | 2014-02-22 | Lithium battery pack protector |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957989A (en) * | 2016-06-23 | 2016-09-21 | 上海工程技术大学 | Battery pack with intelligent monitoring function |
| CN106066457A (en) * | 2016-05-25 | 2016-11-02 | 烟台创为新能源科技有限公司 | A kind of battery thermal runaway detecting system and detection method thereof |
| CN106876809A (en) * | 2017-03-14 | 2017-06-20 | 上海国轩新能源有限公司 | The security protection system and battery system of battery system |
| WO2018166218A1 (en) * | 2017-03-14 | 2018-09-20 | 上海国轩新能源有限公司 | Battery early warning fire extinguishing system and battery system |
| WO2018166217A1 (en) * | 2017-03-14 | 2018-09-20 | 上海国轩新能源有限公司 | Safety protection system for battery system and battery system |
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| US20070273332A1 (en) * | 2006-03-31 | 2007-11-29 | Kazuhiko Funabashi | Lithium battery pack |
| CN101442203A (en) * | 2008-10-27 | 2009-05-27 | 奇瑞汽车股份有限公司 | Protection device for taking off cover of power battery |
| CN201673576U (en) * | 2010-05-26 | 2010-12-15 | 重庆五洲龙新能源汽车有限公司 | Alarm and emergency switching-off device of electric motor car battery system |
| CN201893544U (en) * | 2010-11-27 | 2011-07-06 | 比亚迪股份有限公司 | Protecting device of charging device |
| CN203071188U (en) * | 2012-12-28 | 2013-07-17 | 兰州吉利汽车工业有限公司 | Electric automobile storage battery |
| CN203078324U (en) * | 2012-12-28 | 2013-07-24 | 梁三妹 | Safety device of battery pack of electric vehicle |
| CN204290286U (en) * | 2014-02-22 | 2015-04-22 | 中山市六源通电子科技有限公司 | A kind of automobile lithium battery group protective device |
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2014
- 2014-02-22 CN CN201410062719.8A patent/CN103812091A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20070273332A1 (en) * | 2006-03-31 | 2007-11-29 | Kazuhiko Funabashi | Lithium battery pack |
| CN101442203A (en) * | 2008-10-27 | 2009-05-27 | 奇瑞汽车股份有限公司 | Protection device for taking off cover of power battery |
| CN201673576U (en) * | 2010-05-26 | 2010-12-15 | 重庆五洲龙新能源汽车有限公司 | Alarm and emergency switching-off device of electric motor car battery system |
| CN201893544U (en) * | 2010-11-27 | 2011-07-06 | 比亚迪股份有限公司 | Protecting device of charging device |
| CN203071188U (en) * | 2012-12-28 | 2013-07-17 | 兰州吉利汽车工业有限公司 | Electric automobile storage battery |
| CN203078324U (en) * | 2012-12-28 | 2013-07-24 | 梁三妹 | Safety device of battery pack of electric vehicle |
| CN204290286U (en) * | 2014-02-22 | 2015-04-22 | 中山市六源通电子科技有限公司 | A kind of automobile lithium battery group protective device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066457A (en) * | 2016-05-25 | 2016-11-02 | 烟台创为新能源科技有限公司 | A kind of battery thermal runaway detecting system and detection method thereof |
| CN105957989A (en) * | 2016-06-23 | 2016-09-21 | 上海工程技术大学 | Battery pack with intelligent monitoring function |
| CN106876809A (en) * | 2017-03-14 | 2017-06-20 | 上海国轩新能源有限公司 | The security protection system and battery system of battery system |
| WO2018166218A1 (en) * | 2017-03-14 | 2018-09-20 | 上海国轩新能源有限公司 | Battery early warning fire extinguishing system and battery system |
| WO2018166217A1 (en) * | 2017-03-14 | 2018-09-20 | 上海国轩新能源有限公司 | Safety protection system for battery system and battery system |
| CN106876809B (en) * | 2017-03-14 | 2019-09-13 | 上海国轩新能源有限公司 | The security protection system and battery system of battery system |
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Application publication date: 20140521 |
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