CN203798986U - Automatic detection device for lithium battery - Google Patents
Automatic detection device for lithium battery Download PDFInfo
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- CN203798986U CN203798986U CN201320827909.5U CN201320827909U CN203798986U CN 203798986 U CN203798986 U CN 203798986U CN 201320827909 U CN201320827909 U CN 201320827909U CN 203798986 U CN203798986 U CN 203798986U
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Abstract
The utility model discloses an automatic detection device for a lithium battery, and the device comprises a microprocessor and a lithium battery management system. The microprocessor controls the lithium battery management system to detect an electric performance signal of the lithium battery. Meanwhile, the lithium battery management system feeds back the electrical performance signal, detected by the lithium battery management system, of the lithium battery to the microprocessor. The microprocessor controls an LCD display module to display the corresponding electrical performance signal of the lithium battery. The lithium battery management system and a negative temperature coefficient thermistor are used for detecting a plurality of electrical performances of the lithium battery, including voltage, current, resistance, battery capacity, electric leakage, overcharging, over-discharging, circuit safety protection, temperature and the like, and the electrical performances are displayed through the LCD display module, thereby enabling a user to clearly understand the state of the application of the lithium battery, and guaranteeing the application safety of the lithium battery.
Description
Technical field
The utility model relates to the electric Performance Detection technical field of lithium battery, and a kind of automatic detection device of lithium battery is specifically provided.
Background technology
Lithium battery in use, may there is the bad phenomenon such as ageing of performance, electrical damage, electric leakage, leakage, micro-short circuit, inducing capacity fading, if user does not find, continue to use, may damage electrical equipment, also may cause the potential safety hazards such as heating, short circuit, burning, blast.
Summary of the invention
In order to overcome above-mentioned defect, the utility model provides a kind of automatic detection device of lithium battery, and this pick-up unit can fast and effeciently detect the electric property of lithium battery, has guaranteed the safety in utilization of lithium battery.
The utility model for the technical scheme that solves its technical matters and adopt is: a kind of automatic detection device of lithium battery, comprise microprocessor and lithium battery management system, described microprocessor is controlled the electric property signal of described lithium battery management system detecting lithium battery, and the electric performance signals of lithium battery that described lithium battery management system is also detected feeds back to described microprocessor simultaneously, described microprocessor is controlled LCD display module and is shown the electric performance signals of corresponding lithium battery.
As further improvement of the utility model, described lithium battery management system is integrated with master control borad and in order to gather the collection plate of the electric performance of lithium battery, and wherein, the input end of described master control borad passes through I
2c bus interface is electrically connected on described microprocessor one output terminal, and the input end of described collection plate is electrically connected on the output terminal of described master control borad, and the output terminal of described collection plate is electrically connected on described microprocessor one input end.
As further improvement of the utility model, on described collection plate, be mainly integrated with detecting voltage module, current detecting module, internal resistance detecting module, battery capacity detecting module and leakage detecting module, described detecting voltage module, current detecting module, internal resistance detecting module, the input end of battery capacity detecting module and leakage detecting module is in parallel and is connected in the output terminal of described master control borad by electronic switch all respectively, described detecting voltage module, current detecting module, internal resistance detecting module, the output terminal of battery capacity detecting module and leakage detecting module is in parallel and is connected in described microprocessor one input end.
As further improvement of the utility model, also be provided with AD converter, the output terminal of described detecting voltage module, current detecting module, internal resistance detecting module, battery capacity detecting module and leakage detecting module is in parallel and is connected in the input end of described AD converter, and the output terminal of described AD converter is electrically connected on described microprocessor one input end.
As further improvement of the utility model, be also provided with a plurality of negative temperature coefficient thermistors in order to sensing lithium battery temperature, these many negative temperature coefficient thermistors are all electrically connected on described microprocessor.
The beneficial effects of the utility model are: by utilize lithium battery management system and negative temperature coefficient thermistor to lithium battery carry out voltage, electric current, internal resistance, battery capacity, leak electricity, overcharge, cross put, the multinomial electric property such as circuit safety protection, temperature detects; and show by LCD display module; can make user clearly recognize the use state of lithium battery, well guarantee the safety in utilization of lithium battery.
Accompanying drawing explanation
Fig. 1 is principle of work schematic diagram of the present utility model.
By reference to the accompanying drawings, make the following instructions:
1---microprocessor 2---lithium battery
3---LCD display module 4---AD converter
5---negative temperature coefficient thermistor
Embodiment
Below with reference to figure, preferred embodiment of the present utility model is elaborated.
The automatic detection device of a kind of lithium battery described in the utility model, comprise microprocessor 1 and lithium battery management system BMS, described microprocessor 1 is controlled the electric property signal of described lithium battery management system BMS detecting lithium battery 2, and the electric performance signals of lithium battery that described lithium battery management system BMS is also detected feeds back to described microprocessor 1 simultaneously, described microprocessor 1 is controlled LCD display module 3 and is shown the electric performance signals of corresponding lithium battery.By utilize lithium battery management system to lithium battery carry out voltage, electric current, internal resistance, battery capacity, leak electricity, overcharge, cross put, the multinomial electric property such as circuit safety protection detects; and show by LCD display module; can make user clearly recognize the use state of lithium battery, well guarantee the safety in utilization of lithium battery.
In the present embodiment; described lithium battery management system BMS be integrated with master control borad and one in order to gather the electric performance of lithium battery (include voltage, electric current, internal resistance, battery capacity, leak electricity, overcharge, cross put, circuit safety protection etc.) collection plate; wherein, the input end of described master control borad passes through I
2c bus interface is electrically connected on described microprocessor 1 one output terminals, and the input end of described collection plate is electrically connected on the output terminal of described master control borad, and the output terminal of described collection plate is electrically connected on described microprocessor 1 one input ends.
Preferably, on described collection plate, be mainly integrated with detecting voltage module, current detecting module, internal resistance detecting module, battery capacity detecting module and leakage detecting module, described detecting voltage module, current detecting module, internal resistance detecting module, the input end of battery capacity detecting module and leakage detecting module is in parallel and is connected in the output terminal of described master control borad by electronic switch all respectively, described detecting voltage module, current detecting module, internal resistance detecting module, the output terminal of battery capacity detecting module and leakage detecting module is in parallel and is connected in described microprocessor 1 one input ends.
In the present embodiment, also be provided with AD converter 4, the output terminal of described detecting voltage module, current detecting module, internal resistance detecting module, battery capacity detecting module and leakage detecting module is in parallel and is connected in the input end of described AD converter 4, and the output terminal of described AD converter 4 is electrically connected on described microprocessor 1 one input ends.
In the present embodiment, be also provided with a plurality of negative temperature coefficient thermistors 5 in order to sensing lithium battery 2 temperature, these many negative temperature coefficient thermistors 4 are all electrically connected on described microprocessor 1.
Claims (4)
1. the automatic detection device of a lithium battery, it is characterized in that: comprise microprocessor (1), in order to detect the lithium battery management system (BMS) of lithium battery (2) electric property signal and in order to show the LCD display module (3) of lithium battery (2) electric property signal, the input end of the input end of described lithium battery management system (BMS) and described LCD display module (3) is electrically connected at the output terminal of described microprocessor (1) respectively, and the output terminal of described lithium battery management system (BMS) is also electrically connected at an input end of described microprocessor (1);
Also be provided with a plurality of negative temperature coefficient thermistors (5) in order to sensing lithium battery (2) temperature, the plurality of negative temperature coefficient thermistor (4) is all electrically connected on described microprocessor (1).
2. the automatic detection device of lithium battery according to claim 1, it is characterized in that: described lithium battery management system (BMS) is integrated with master control borad and in order to gather the collection plate of the electric performance of lithium battery, wherein, the input end of described master control borad passes through I
2c bus interface is electrically connected on described microprocessor (1) one output terminal, and the input end of described collection plate is electrically connected on the output terminal of described master control borad, and the output terminal of described collection plate is electrically connected on described microprocessor (1) one input end.
3. the automatic detection device of lithium battery according to claim 2, it is characterized in that: on described collection plate, be mainly integrated with detecting voltage module, current detecting module, internal resistance detecting module, battery capacity detecting module and leakage detecting module, described detecting voltage module, current detecting module, internal resistance detecting module, the input end of battery capacity detecting module and leakage detecting module is in parallel and is connected in the output terminal of described master control borad by electronic switch all respectively, described detecting voltage module, current detecting module, internal resistance detecting module, the output terminal of battery capacity detecting module and leakage detecting module is in parallel and is connected in described microprocessor (1) one input end.
4. the automatic detection device of lithium battery according to claim 3, it is characterized in that: be also provided with AD converter (4), the output terminal of described detecting voltage module, current detecting module, internal resistance detecting module, battery capacity detecting module and leakage detecting module is in parallel and is connected in the input end of described AD converter (4), and the output terminal of described AD converter (4) is electrically connected on described microprocessor (1) one input end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320827909.5U CN203798986U (en) | 2013-12-16 | 2013-12-16 | Automatic detection device for lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320827909.5U CN203798986U (en) | 2013-12-16 | 2013-12-16 | Automatic detection device for lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203798986U true CN203798986U (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320827909.5U Expired - Fee Related CN203798986U (en) | 2013-12-16 | 2013-12-16 | Automatic detection device for lithium battery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589382A (en) * | 2017-10-25 | 2018-01-16 | 宁夏黑金昊源绿能科技有限公司 | A kind of detection means of battery surplus and health status |
| CN112098862A (en) * | 2020-08-04 | 2020-12-18 | 中汽研汽车检验中心（天津）有限公司 | Method for testing and evaluating overdischarge tolerance of lithium ion battery monomer |
| TWI741632B (en) * | 2020-06-03 | 2021-10-01 | 龍華科技大學 | Prediction method for temperature coefficient of resistance, compensation method for current measurement and the device thereof on an intelligent current sharing module of batteries |
-
2013
- 2013-12-16 CN CN201320827909.5U patent/CN203798986U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589382A (en) * | 2017-10-25 | 2018-01-16 | 宁夏黑金昊源绿能科技有限公司 | A kind of detection means of battery surplus and health status |
| TWI741632B (en) * | 2020-06-03 | 2021-10-01 | 龍華科技大學 | Prediction method for temperature coefficient of resistance, compensation method for current measurement and the device thereof on an intelligent current sharing module of batteries |
| CN112098862A (en) * | 2020-08-04 | 2020-12-18 | 中汽研汽车检验中心（天津）有限公司 | Method for testing and evaluating overdischarge tolerance of lithium ion battery monomer |
| CN112098862B (en) * | 2020-08-04 | 2023-03-28 | 中汽研汽车检验中心（天津）有限公司 | Method for testing and evaluating overdischarge tolerance of lithium ion battery monomer |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20171216 |