CN203014355U - Lithium battery pack protection board with alarm function - Google Patents
Lithium battery pack protection board with alarm function Download PDFInfo
- Publication number
- CN203014355U CN203014355U CN 201220525419 CN201220525419U CN203014355U CN 203014355 U CN203014355 U CN 203014355U CN 201220525419 CN201220525419 CN 201220525419 CN 201220525419 U CN201220525419 U CN 201220525419U CN 203014355 U CN203014355 U CN 203014355U
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- battery pack
- lithium battery
- alarm
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Abstract
The utility model discloses a lithium battery pack protection board with an alarm function. The lithium battery pack protection board comprises a detection module, a calculation processing module, a driver module and an alarm module. The detection module is connected with an input end of the calculation processing module. The calculation processing module is connected with the alarm module through the driver module. The detection module is connected with each battery in a battery pack. Through carrying out real-time monitoring on each battery in the battery pack, when any battery has a fault, a fault alarm can be emitted timely, a problem that when a single battery has a fault, the battery generates high temperature and a battery shell is melted is prevented, the risk is effectively reduced, and the safety performance of the battery pack is raised.
Description
Technical field
The utility model relates to a kind of lithium battery group baffle with warning function.
Background technology
Lithium battery is due to itself, needs a Circuits System to protect, to prevent over-charging of battery, to cross and put, overcurrent, short circuit, cross the damage that high temperature etc. brings; Battery pack for a plurality of lithium batteries consist of needs a Circuits System that it is protected more, causes the damage of whole battery pack with the fault that prevents single battery, guarantees its trouble free service.Circuit protection system of the prior art, the monomer of monitoring battery group and overall electrical quantity (voltage and current) and temperature when parameter surpasses certain threshold values, are just cut off the external circuit of battery pack and are connected, and make it and can not discharge and recharge.
Although said system is simple, because present protection system is that voltage and current, the temperature of working as battery pack only just works in limiting condition.If the voltage and current of battery, temperature be in normal condition, and there is fault in battery pack inside, as when small short circuit occured, current protection system can't be found, also can't take measures, and more can not give the alarm.If untimely processing easily causes battery discharge and heating, after a period of time, produce high temperature, fusing battery cases etc. destroy whole battery pack, even cause larger loss.
The utility model content
The purpose of this utility model is to provide a kind of lithium battery group baffle with warning function; Real Time Monitoring lithium battery group; by analyzing the change in voltage speed of different batteries in battery pack; the bulk temperature pace of change; judge in advance whether the battery in battery pack breaks down; can just give the alarm in advance before battery reaches the limit of state, even cut off whole battery pack and be connected with the circuit of outside, prevent the phenomenon of battery generation loss and the high heat of generation high temperature.
A kind of lithium battery group baffle with warning function comprises detection module, computing module, driver module and alarm module; Detection module is connected with the input of computing module, the computing module is connected with alarm module by driver module, and voltage detection module is connected with each battery in the lithium battery group.
Described detection module temperature detecting module, temperature detecting module is connected with each battery in the lithium battery group.
Described detection module current detection module, current detection module is connected with the lithium battery group.
Described temperature detecting module comprises temperature sensor.
Described alarm module is at least a in alarm lamp and buzzer.
Also comprise electric quantity display device, become one with alarm module.
Beneficial effect
A kind of lithium battery group baffle with warning function of the present utility model, by each battery in battery pack is connected with detection module, the change of divergence between battery cell is carried out Real Time Monitoring, analyze the change procedure of the difference between battery, namely analyze the change in voltage speed of different batteries in battery pack, the variation of bulk temperature pace of change and electric current, by computation processor, analysis is made in this variation, judge whether battery pack breaks down, if fault is just sent control command; Make warning by sound and/or light, in advance the reminding user battery pack is in malfunction, need not battery charge or discharge by the time and cut off circuit again after limiting condition, thereby greatly reduce the destruction that the heating etc. of battery brings, and reduces security risk.
Description of drawings
Accompanying drawing is theory diagram of the present utility model.
1 baffle, 2 voltage detecting wire harness, 3 temperature sensors, 4 battery pack, the detection module of 5 baffles, the alarm module of 6 baffles, the driver module of 7 baffles, the computing module of 8 baffles,
Embodiment
In order better to understand the present invention, the below explains with specific embodiment.
As shown in drawings; a kind of lithium battery group baffle 1 with warning function; comprise detection module 5, computing module 8, signal driver module 7 and alarm module 6, wherein detection module 5 comprises temperature sensor 3, and temperature sensor 3 is placed in the centre position of battery pack 4.
Detection module 5 is connected with each battery cell in battery pack 4 by voltage detecting wire harness 2; By temperature sensor 3, obtain the actual temperature of battery pack 4.Computing module 8 is used for analyzing the voltage signal that aforementioned detection module 5 obtains, and when following phenomenon occurring, computing module 8 will think that battery pack is in malfunction, give the alarm:
1) ratio of the mean value of the absolute value of difference of certain cell voltage and average voltage and whole Battery pack voltage is arranged, surpass set point;
When 2) the voltage drop speed of certain battery surpassed certain threshold values, this threshold values was the empirical value that obtains through test of many times;
3) temperature signal surpasses certain threshold values;
4) current signal surpasses certain threshold value.
Example 1, the magnitude of voltage of any one battery and average voltage difference surpass 0.5V in the lithium battery group, and perhaps the ratio of difference and mean value surpasses 15%, and computing module 8 will think that battery pack is in malfunction, send alarm signal.
Example 2, detection module 5 are obtained the temperature signal that temperature sensor 3 gathers, and are sent to computer processing module 8, when computer processing module 8 is analyzed this temperature signal over 60-65 ℃, send alarm signal.
After alarm signal was amplified by driver module 7, the type of drive of driver module 7 can adopt metal-oxide-semiconductor, relay or other any device that can amplifying signal.
Alarm signal after amplification by alarm module with alarm lamp and (or) form of buzzer sends, reminding user.
Because battery pack is typically equipped with electric quantity display device, the lamp of described alarm module 6 or signal buzzer can integrate with electric quantity display device.
The utility model baffle can improve on existing baffle, and cost is lower, can greatly improve the security of system performance.
Claims (4)
1. the lithium battery group baffle with warning function, is characterized in that, comprises detection module, computing module, driver module and alarm module; Detection module is connected with the input of computing module, the computing module is connected with alarm module by driver module, and voltage detection module is connected with each battery in the lithium battery group;
Temperature detecting module in described detection module is connected with each battery in the lithium battery group;
Current detection module in described detection module is connected with the lithium battery group.
2. the lithium battery group baffle with warning function according to claim 1, is characterized in that, described temperature detecting module comprises temperature sensor.
3. the lithium battery group baffle with warning function according to claim 1 and 2, is characterized in that, described alarm module is at least a in alarm lamp and buzzer.
4. the lithium battery group baffle with warning function according to claim 3, is characterized in that, also comprises electric quantity display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220525419 CN203014355U (en) | 2012-10-15 | 2012-10-15 | Lithium battery pack protection board with alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220525419 CN203014355U (en) | 2012-10-15 | 2012-10-15 | Lithium battery pack protection board with alarm function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203014355U true CN203014355U (en) | 2013-06-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220525419 Expired - Fee Related CN203014355U (en) | 2012-10-15 | 2012-10-15 | Lithium battery pack protection board with alarm function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203014355U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529392A (en) * | 2013-10-15 | 2014-01-22 | 江苏艾锐泰克无人飞行器科技有限公司 | High-precision battery electricity quantity tester |
| CN105762432A (en) * | 2016-04-26 | 2016-07-13 | 华霆（合肥）动力技术有限公司 | Detection method and device for eruptive burst state of battery module |
| CN107271918A (en) * | 2017-07-21 | 2017-10-20 | 广东欧珀移动通信有限公司 | Terminal device and its cell safety monitoring method and monitoring system |
| CN107340475A (en) * | 2016-04-29 | 2017-11-10 | 株式会社日立制作所 | Battery fault detection method and battery fault detection device |
| CN108474822A (en) * | 2017-08-25 | 2018-08-31 | 深圳市云中飞网络科技有限公司 | Terminal device and its cell safety monitoring method and monitoring system |
| CN109638371A (en) * | 2018-12-07 | 2019-04-16 | 安华智能股份公司 | A kind of battery pack exception automatic alarm system |
| CN109716579A (en) * | 2017-08-25 | 2019-05-03 | 深圳市云中飞网络科技有限公司 | Terminal device and its cell safety monitoring method and monitoring system |
| CN109791179A (en) * | 2017-08-25 | 2019-05-21 | 深圳市云中飞网络科技有限公司 | Terminal device, adapter, cell safety monitoring method and monitoring system |
| CN110161416A (en) * | 2019-06-13 | 2019-08-23 | 上海钧正网络科技有限公司 | A kind of battery monitoring device, method and battery |
-
2012
- 2012-10-15 CN CN 201220525419 patent/CN203014355U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529392A (en) * | 2013-10-15 | 2014-01-22 | 江苏艾锐泰克无人飞行器科技有限公司 | High-precision battery electricity quantity tester |
| CN105762432A (en) * | 2016-04-26 | 2016-07-13 | 华霆（合肥）动力技术有限公司 | Detection method and device for eruptive burst state of battery module |
| CN107340475B (en) * | 2016-04-29 | 2021-03-16 | 株式会社日立制作所 | Battery fault detection method and battery fault detection device |
| CN107340475A (en) * | 2016-04-29 | 2017-11-10 | 株式会社日立制作所 | Battery fault detection method and battery fault detection device |
| CN107271918A (en) * | 2017-07-21 | 2017-10-20 | 广东欧珀移动通信有限公司 | Terminal device and its cell safety monitoring method and monitoring system |
| CN108474822B (en) * | 2017-08-25 | 2021-07-23 | Oppo广东移动通信有限公司 | Terminal equipment and battery safety monitoring method and monitoring system thereof |
| CN109716579A (en) * | 2017-08-25 | 2019-05-03 | 深圳市云中飞网络科技有限公司 | Terminal device and its cell safety monitoring method and monitoring system |
| CN109791179A (en) * | 2017-08-25 | 2019-05-21 | 深圳市云中飞网络科技有限公司 | Terminal device, adapter, cell safety monitoring method and monitoring system |
| JP2020520065A (en) * | 2017-08-25 | 2020-07-02 | オッポ広東移動通信有限公司Ｇｕａｎｇｄｏｎｇ Ｏｐｐｏ Ｍｏｂｉｌｅ Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ Ｃｏｒｐ．， Ｌｔｄ． | Terminal device and its battery safety monitoring method and monitoring system |
| US10955486B2 (en) | 2017-08-25 | 2021-03-23 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and system for abnormity detection of a rechargeable battery of a terminal device |
| CN108474822A (en) * | 2017-08-25 | 2018-08-31 | 深圳市云中飞网络科技有限公司 | Terminal device and its cell safety monitoring method and monitoring system |
| CN109791179B (en) * | 2017-08-25 | 2021-08-06 | Oppo广东移动通信有限公司 | Terminal device, adapter, battery safety monitoring method and monitoring system |
| US11163008B2 (en) | 2017-08-25 | 2021-11-02 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Terminal device and method and system for monitoring battery safety of terminal device |
| CN109716579B (en) * | 2017-08-25 | 2022-02-01 | Oppo广东移动通信有限公司 | Terminal equipment and battery safety monitoring method and monitoring system thereof |
| JP7043519B2 (en) | 2017-08-25 | 2022-03-29 | オッポ広東移動通信有限公司 | Terminal device and its battery safety monitoring method and monitoring system |
| US11522357B2 (en) | 2017-08-25 | 2022-12-06 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Terminal device, method for monitoring battery safety of terminal device |
| CN109638371A (en) * | 2018-12-07 | 2019-04-16 | 安华智能股份公司 | A kind of battery pack exception automatic alarm system |
| CN110161416A (en) * | 2019-06-13 | 2019-08-23 | 上海钧正网络科技有限公司 | A kind of battery monitoring device, method and battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20181015 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |