CN204290286U - A kind of automobile lithium battery group protective device - Google Patents
A kind of automobile lithium battery group protective device Download PDFInfo
- Publication number
- CN204290286U CN204290286U CN201420079412.4U CN201420079412U CN204290286U CN 204290286 U CN204290286 U CN 204290286U CN 201420079412 U CN201420079412 U CN 201420079412U CN 204290286 U CN204290286 U CN 204290286U
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- China
- Prior art keywords
- lithium battery
- battery group
- protective device
- battery pack
- processor
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- Expired - Fee Related
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- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model proposes a kind of automobile lithium battery group protective device; described lithium battery group is provided with positive and negative output; the feature of described protective device is: comprise processor, sensing module and be serially connected with the output switch of battery pack positive output end, and described processor controls the break-make of output switch according to the lithium battery group working state signal that sensing module feeds back.The utility model carries out Real-Time Monitoring to lithium battery group, and realizes early warning timely and process to fault, ensures the safety of battery pack and battery pack parking space; Compared to manual detection mode, its accuracy of detection is higher, monitoring is more comprehensive, feedback is more timely.
Description
Technical field
The utility model relates to a kind of automobile lithium battery group protective device.
Background technology
Large-scale lithium battery group can produce more heat transfer when overload works, and long-time overload work exists potential safety hazard that is on fire, that even explode.At present large-scale lithium battery group is safeguarded it is generally detected by human at periodic intervals, and the less impact that can take into account battery pack environment.There is intrinsic defect in which: 1, the time interval of manual detection is longer and accuracy of detection is lower, the fault of more difficult discovery battery pack and circuit thereof and hidden danger, when particularly larger to quantity some lithium battery groups detect; 2, can not feed back the working status parameter of lithium battery group in real time, early warning or process cannot be carried out to fault in time; 3, ignore the impact of battery pack surrounding enviroment, do not predict illumination, potential safety hazard that temperature causes battery pack.
Utility model content
The utility model proposes a kind of automobile lithium battery group protective device, for lithium battery group provides monitoring and power-off protection in real time, ensure the safety of battery pack and battery pack parking space.Its technical scheme is as follows:
A kind of automobile lithium battery group protective device, described lithium battery group is provided with positive and negative output, the feature of described protective device is: comprise processor, sensing module and be serially connected with the output switch of battery pack positive output end, and described processor controls the break-make of output switch according to the lithium battery group working state signal that sensing module feeds back; It is one or more that described sensing module comprises 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 detect lithium battery group and Temperature numerical around; Described smoke detector, in order to detect lithium battery group and smog around.
The presetting a certain illumination value of described processor is alarming threshold value, reports to the police when the Real-Time Optical illumination of lithium battery group exceedes this value, reminds staff to process abnormal; In like manner, temperature alarming threshold values is preset with equally.When smoke detector detects the smog because of ignition generation, processor carries out reporting to the police or produce other control signal according to actual design demand.
Such scheme can carry out Real-Time Monitoring to lithium battery group, considers that surrounding environment detects on the impact of battery pack and to the phenomenon of the overheated ignition of battery pack, realizes fault early warning timely and process, ensures the safety of battery pack and battery pack parking space.Compared to manual detection mode, its accuracy of detection is higher, monitoring is more comprehensive, feedback is more timely.
Preferably, described protective device is also provided with Fire extinguisher, puts out a fire to drive extinguishing device in order to the control request responding described processor.Processor judges whether fire alarm occurs according to the data that temperature sensor and smoke detector feed back, and then carries out reporting to the police or fire-extinguishing operations.
Such scheme and fire extinguishing system link, and can be down to minimum by the loss that fault causes.
Preferably, described processor is also provided with a data output end, in order to export default alarm signal, the real-time status parameter of battery pack or other parameter obtained by sensing module.
Such scheme can obtain the data of data output end by PDA, PC etc., for monitoring, statistics, reporting to the police provides Data support.Staff by data more can be effective and rapid early warning and process are carried out to potential faults, reduce its impact on battery pack, really accomplish to protect battery pack, and be not merely the emergency processing to fault.
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 electromagnetic 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 what lithium battery group place casing was located at by described folding transducer covers place, in order to monitoring cell case opening or closed, and feed back to described processor.
Advantage of the present utility model and beneficial effect are:
1, realize that precision is high, monitoring comprehensively, feed back battery pack Working Status Monitoring timely, generation and the reply efficiency improved fault of effective minimizing accident.
2, consider the impact of surrounding environment on battery pack, more can carry out early warning and process to potential faults effective and rapidly.
3, link with fire extinguishing system, can the loss that fault causes 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 utility model.
Fig. 2 is output switch circuit schematic diagram one of the present utility model.
Fig. 3 is output switch circuit schematic diagram two of the present utility model.
Embodiment
As follows by reference to the accompanying drawings, the application's scheme is further described:
As shown in Figure 1; a kind of automobile lithium battery group protective device; described 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 end, and described processor 1 controls the break-make of output switch 3 according to lithium battery group 10 working state signal that sensing module 2 feeds back.
Such scheme can carry out Real-Time Monitoring to lithium battery group, and realizes early warning timely and process to fault, ensures the safety of battery pack and battery pack parking space; Compared to 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 detect automobile batteries 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 detect lithium battery group and Temperature numerical around;
Described folding transducer 24, that is located at lithium battery group place casing covers place, opening or closing in order to monitoring cell case, and feeds back to described processor 1.
Described protective device is also provided with Fire extinguisher 4, puts out a fire to drive extinguishing device in order to the control request responding described processor 1.Fire extinguisher 4 and fire extinguishing system link, and can be down to minimum by the loss that fault causes.
Described processor 1 is also provided with a data output end DATA, in order to export default alarm signal, the real-time status parameter of battery pack or other parameter obtained by sensing module.
Such scheme can obtain the data of data output end by PDA, PC etc., for monitoring, statistics, reporting to the police provides 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 electromagnetic 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, allly to duplicate with the application's scheme, technology that is approximate or that make based on this is deduced, replaces, improvement etc., all should be considered as the protection range of this patent.
Claims (6)
1. an automobile lithium battery group protective device, described lithium battery group is provided with positive and negative output, the feature of described protective device is: comprise processor, sensing module and be serially connected with the output switch of battery pack positive output end, and described processor controls the break-make of output switch according to the lithium battery group working state signal that sensing module feeds back; It is one or more that described sensing module comprises 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 detect lithium battery group and Temperature numerical around; Described smoke detector, in order to detect lithium battery group and smog around.
2. a kind of automobile lithium battery group protective device according to claim 1, is characterized in that: be also provided with Fire extinguisher, puts out a fire to drive extinguishing device in order to the control request responding described processor.
3. a kind of automobile lithium battery group protective device according to claim 2, is characterized in that: described processor is also provided with a data output end, in order to export default alarm signal, the real-time status parameter of battery pack or other parameter obtained by sensing module.
4. a kind of automobile lithium battery group protective device according to claim 3, it 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 electromagnetic path is connected with processor.
5. a kind of automobile lithium battery group protective device according to claim 3, it 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.
6. a kind of automobile lithium battery group protective device according to claim 4 or 5; it is characterized in that: also comprise folding transducer; what lithium battery group place casing was located at by described folding transducer covers place, in order to monitoring cell case opening or closed, and feed back to described processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420079412.4U CN204290286U (en) | 2014-02-22 | 2014-02-22 | A kind of automobile lithium battery group protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420079412.4U CN204290286U (en) | 2014-02-22 | 2014-02-22 | A kind of automobile lithium battery group protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204290286U true CN204290286U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420079412.4U Expired - Fee Related CN204290286U (en) | 2014-02-22 | 2014-02-22 | A kind of automobile lithium battery group protective device |
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| Country | Link |
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| CN (1) | CN204290286U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812091A (en) * | 2014-02-22 | 2014-05-21 | 中山市六源通电子科技有限公司 | Lithium battery pack protector |
| CN105169586A (en) * | 2015-09-29 | 2015-12-23 | 上海博笃实业有限公司 | Fire extinguishing system |
| CN106552387A (en) * | 2016-11-22 | 2017-04-05 | 中聚（杭州）新能源科技有限公司 | Power system of electric automobile fire extinguishing monitoring device and extinguishing method |
| US11634041B2 (en) | 2019-09-19 | 2023-04-25 | Ford Global Technologies, Llc | Access cover detection circuit for electrified vehicle component and corresponding method |
-
2014
- 2014-02-22 CN CN201420079412.4U patent/CN204290286U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812091A (en) * | 2014-02-22 | 2014-05-21 | 中山市六源通电子科技有限公司 | Lithium battery pack protector |
| CN105169586A (en) * | 2015-09-29 | 2015-12-23 | 上海博笃实业有限公司 | Fire extinguishing system |
| CN106552387A (en) * | 2016-11-22 | 2017-04-05 | 中聚（杭州）新能源科技有限公司 | Power system of electric automobile fire extinguishing monitoring device and extinguishing method |
| US11634041B2 (en) | 2019-09-19 | 2023-04-25 | Ford Global Technologies, Llc | Access cover detection circuit for electrified vehicle component and corresponding method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20200222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |