CN102175949A - Circuit structure for online measuring breakage of battery charging circuit and measuring method thereof - Google Patents
Circuit structure for online measuring breakage of battery charging circuit and measuring method thereof Download PDFInfo
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- CN102175949A CN102175949A CN2011100327151A CN201110032715A CN102175949A CN 102175949 A CN102175949 A CN 102175949A CN 2011100327151 A CN2011100327151 A CN 2011100327151A CN 201110032715 A CN201110032715 A CN 201110032715A CN 102175949 A CN102175949 A CN 102175949A
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Abstract
The invention provides a circuit structure for online measuring breakage of a battery charging circuit, wherein a microcontrol board is connected to a signal collector U1; the signal collector U1 is connected to a DC<+> end of a charging board via a current limit resistor R and a diode D3; when the charging is performed, the commercial power is connected to a charging system via an isolation transformer T, a rectification circuit, the signal collector U1, the current limit resistor R and the diode D3, so as to form a charging detection circuit. The measuring method is as follows: a, when the microcontrol board detects that the charging circuit has a large current, the charging circuit works normally; b, when the microcontrol board detects that the charging circuit has a small current, the microcontrol board controls the charging system not to charge, and the microcontrol board determines whether the charging circuit is broken or not via detecting the voltage of B point at the connecting end of the signal collector U1 and the microcontrol board. The circuit provided by the invention is simple; the measuring result is stable and reliable; the breakage condition of the charging circuit during large-current charging can be measured, and the breakage condition of the charging circuit during floating charge state small current also can be measured.
Description
Technical field
The invention belongs to the line Measurement Technique field of battery charging circuit broken string, specifically relate to a kind of on-line measurement circuit structure and measuring method thereof of battery charging circuit broken string.
Background technology
The on-line measurement of battery charging circuit broken string is applied to contain the on-line detecting system of battery charging circuit burn out detection, as fire emergency centrally connected power source, fire fighting equipment emergency power pack, UPS etc.At present, the online detection of general battery charging circuit broken string is adopted by detecting loop current or voltage, specific as follows, adopt the loop current mode that detects, when charging current 0A, think broken string, this just requires also to want when charging current is very little under the battery pack floating charge situation and can detect, to current sample accuracy requirement height; When adopting the voltage detecting mode, behind the charging circuit broken string, determine whether broken string by the terminal voltage of measuring the charging output loop, the defective of this mode is to break behind battery float, terminal voltage is high slightly or constant substantially, so just is difficult to conclude whether charging circuit breaks, wrong report easily.
Summary of the invention
In order to overcome the deficiency that the existing method floating charge state of battery charging circuit broken string is difficult to conclude, the invention provides a kind of on-line measurement circuit structure and measuring method thereof of battery charging circuit broken string, the situation of charging circuit broken string in the time of can measuring large current charge, the situation of charging circuit broken string when energy measurement goes out the little electric current of floating charge state again.
Above-mentioned technical matters of the present invention is mainly solved by following technical proposals: a kind of on-line measurement circuit structure of battery charging circuit broken string, the micro-control plate is connected to signal picker U1, and signal picker U1 is connected to the DC+ end of charging panel again through current-limiting resistance R, diode D3; Civil power enters charging system formation charging detection line during charging behind isolating transformer T, rectification circuit, signal picker U1, current-limiting resistance R, diode D3.
The measuring method of above-mentioned on-line measurement circuit structure is:
A. when the micro-control plate detects charging circuit big electric current is arranged, show the charging circuit operate as normal;
B. when the micro-control plate detects charging circuit little electric current is arranged, do not charge by micro-control plate control charging system, the micro-control plate determines by the link B point voltage of detection signal collector U1 and micro-control plate whether charging circuit breaks, concrete grammar is: if the charging circuit operate as normal, civil power enters charging system and constitutes the charging detection line behind isolating transformer T, rectification circuit, signal picker U1, current-limiting resistance R, diode D3, signal picker U1 work, the B point is a low-voltage; If the charging circuit broken string, civil power can't enter charging system behind isolating transformer T, rectification circuit, signal picker U1, current-limiting resistance R, diode D3, and signal picker U1 does not work, and the B point is a high voltage.
Circuit structure of the present invention is simple, and measurement result is reliable and stable, the situation of charging circuit broken string in the time of can measuring large current charge, the situation of charging circuit broken string when energy measurement goes out the little electric current of floating charge state again.
Description of drawings
Fig. 1 is a kind of theory structure synoptic diagram of the present invention;
Fig. 2 is a kind of flowage structure synoptic diagram of the present invention.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment: referring to Fig. 1, on-line measurement circuit structure of the present invention is connected to signal picker U1 for the micro-control plate, and signal picker U1 is connected to the DC+ end of charging panel again through current-limiting resistance R, diode D3; Civil power enters charging system formation charging detection line during charging behind isolating transformer T, rectification circuit, signal picker U1, current-limiting resistance R, diode D3.
Referring to Fig. 2, the On-line Measuring Method that the present invention measures battery charging circuit broken string is:
A. when the micro-control plate detects charging circuit big electric current is arranged, show the charging circuit operate as normal;
B. when the micro-control plate detects charging circuit little electric current is arranged, do not charge by micro-control plate control charging system, the micro-control plate determines by the link B point voltage of detection signal collector U1 and micro-control plate whether charging circuit breaks, concrete grammar is: if the charging circuit operate as normal, civil power enters charging system and constitutes the charging detection line behind isolating transformer T, rectification circuit, signal picker U1, current-limiting resistance R, diode D3, signal picker U1 work, the B point is a low-voltage; If the charging circuit broken string, civil power can't enter charging system behind isolating transformer T, rectification circuit, signal picker U1, current-limiting resistance R, diode D3, and signal picker U1 does not work, and the B point is a high voltage.
At last, should be pointed out that above embodiment only is the more representational example of the present invention.Obviously, technical scheme of the present invention is not limited to the foregoing description, and many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.
Claims (2)
1. the on-line measurement circuit structure of battery charging circuit broken string, it is characterized in that in the described circuit structure, micro-control plate (2) is connected to signal picker (U1), and signal picker (U1) is connected to the DC+ end of charging panel (1) again through current-limiting resistance (R), diode (D3); Civil power enters charging system formation charging detection line during charging behind isolating transformer (T), rectification circuit, signal picker (U1), current-limiting resistance (R), diode (D3).
2. according to the measuring method of the described on-line measurement circuit structure of claim 1, it is characterized in that described measuring method is:
A. when micro-control plate (2) detects charging circuit big electric current is arranged, show the charging circuit operate as normal;
B. when micro-control plate (2) detects charging circuit little electric current is arranged, do not charge by micro-control plate (2) control charging system, micro-control plate (2) determines by the detection signal collector (U1) and the link B point voltage of micro-control plate (2) whether charging circuit breaks, concrete grammar is: if the charging circuit operate as normal, civil power enters charging system and constitutes the charging detection line behind isolating transformer (T), rectification circuit, signal picker (U1), current-limiting resistance (R), diode (D3), signal picker (U1) work, the B point is a low-voltage; If the charging circuit broken string, civil power can't enter charging system behind isolating transformer (T), rectification circuit, signal picker (U1), current-limiting resistance (R), diode (D3), and signal picker (U1) is not worked, and the B point is a high voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100327151A CN102175949A (en) | 2011-01-30 | 2011-01-30 | Circuit structure for online measuring breakage of battery charging circuit and measuring method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100327151A CN102175949A (en) | 2011-01-30 | 2011-01-30 | Circuit structure for online measuring breakage of battery charging circuit and measuring method thereof |
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| CN102175949A true CN102175949A (en) | 2011-09-07 |
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| CN2011100327151A Pending CN102175949A (en) | 2011-01-30 | 2011-01-30 | Circuit structure for online measuring breakage of battery charging circuit and measuring method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520305A (en) * | 2011-12-19 | 2012-06-27 | 广东易事特电源股份有限公司 | Intelligent detection method for open circuit of connection line between charger and battery |
| CN103176100A (en) * | 2013-03-04 | 2013-06-26 | 深圳索瑞德电子有限公司 | Method and device for detecting whether storage battery is normally connected in UPS (uninterrupted power supply) or not |
| CN103259060A (en) * | 2012-02-21 | 2013-08-21 | 欧姆龙汽车电子株式会社 | Battery pack monitoring apparatus |
| CN103869257A (en) * | 2014-03-31 | 2014-06-18 | 北京亚安新能航天科技有限公司 | Detection circuit of battery pack in wind power generation pitch system |
| CN109660006A (en) * | 2019-01-23 | 2019-04-19 | 珠海市微半导体有限公司 | A kind of charging method for the method and robot whether detection rechargeable battery accesses |
| CN111856332A (en) * | 2020-07-17 | 2020-10-30 | 力高(山东)新能源技术有限公司 | Circuit and method for detecting disconnection of shunt |
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| US6031354A (en) * | 1996-02-01 | 2000-02-29 | Aims Systems, Inc. | On-line battery management and monitoring system and method |
| CN200979583Y (en) * | 2006-10-20 | 2007-11-21 | 成都科鑫电气有限公司 | An intelligent positioning device for the breakpoint and of the cable and the mix line |
| CN101408581A (en) * | 2007-09-09 | 2009-04-15 | 山东信通电器有限公司 | Cable wire break detection alarming device |
| CN202013395U (en) * | 2011-01-30 | 2011-10-19 | 浙江乐思达消防电器有限公司 | Online measurement circuit structure for charging circuit breaking of storage battery set |
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| US6031354A (en) * | 1996-02-01 | 2000-02-29 | Aims Systems, Inc. | On-line battery management and monitoring system and method |
| CN1157926A (en) * | 1996-11-11 | 1997-08-27 | 北京豪沃尔电子设备公司 | A method for detecting fault of uninterrupted power source in fire-fighting equipment |
| CN200979583Y (en) * | 2006-10-20 | 2007-11-21 | 成都科鑫电气有限公司 | An intelligent positioning device for the breakpoint and of the cable and the mix line |
| CN101408581A (en) * | 2007-09-09 | 2009-04-15 | 山东信通电器有限公司 | Cable wire break detection alarming device |
| CN202013395U (en) * | 2011-01-30 | 2011-10-19 | 浙江乐思达消防电器有限公司 | Online measurement circuit structure for charging circuit breaking of storage battery set |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520305A (en) * | 2011-12-19 | 2012-06-27 | 广东易事特电源股份有限公司 | Intelligent detection method for open circuit of connection line between charger and battery |
| CN102520305B (en) * | 2011-12-19 | 2013-11-13 | 广东易事特电源股份有限公司 | Intelligent detection method for open circuit of connection line between charger and battery |
| CN103259060A (en) * | 2012-02-21 | 2013-08-21 | 欧姆龙汽车电子株式会社 | Battery pack monitoring apparatus |
| CN103259060B (en) * | 2012-02-21 | 2015-05-20 | 欧姆龙汽车电子株式会社 | Battery pack monitoring apparatus |
| CN103176100A (en) * | 2013-03-04 | 2013-06-26 | 深圳索瑞德电子有限公司 | Method and device for detecting whether storage battery is normally connected in UPS (uninterrupted power supply) or not |
| CN103869257A (en) * | 2014-03-31 | 2014-06-18 | 北京亚安新能航天科技有限公司 | Detection circuit of battery pack in wind power generation pitch system |
| CN109660006A (en) * | 2019-01-23 | 2019-04-19 | 珠海市微半导体有限公司 | A kind of charging method for the method and robot whether detection rechargeable battery accesses |
| CN111856332A (en) * | 2020-07-17 | 2020-10-30 | 力高(山东)新能源技术有限公司 | Circuit and method for detecting disconnection of shunt |
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Application publication date: 20110907 |