CN106324512A - Capacitor detection method for energy-storage storage battery for wind-solar complementation - Google Patents
Capacitor detection method for energy-storage storage battery for wind-solar complementation Download PDFInfo
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- CN106324512A CN106324512A CN201610658068.8A CN201610658068A CN106324512A CN 106324512 A CN106324512 A CN 106324512A CN 201610658068 A CN201610658068 A CN 201610658068A CN 106324512 A CN106324512 A CN 106324512A
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- detection
- capacity
- battery
- storage battery
- resistance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
Abstract
The invention relates to a capacitor detection method for an energy-storage storage battery for wind-solar complementation, and the online detection method comprises the steps: controlling a storage battery pack to charge a detection capacitor through a certain big initial current according to the characteristics of the battery, and recording and storing the voltage of two ends of a detection capacitor and the voltage of two ends of a detection resistor in real time in a capacitor charging process; calculating the internal resistance of the storage battery pack according to the voltage of two points in a discharge curve obtained through measurement, comparing the characteristic data of the storage batteries of a storage battery enterprise, and analyzing and calculating the capacity of the storage battery pack according to the correlation between the internal resistance and the capacity. The beneficial effects of the invention are that 1, the method can effectively monitor the real capacity of the storage battery pack, and can protect the storage battery from being short of power for a long time and thereby being discarded because of a floating charge voltage; 2, the method can effectively prolong the service life of the storage battery.
Description
Technical field
The invention belongs to complementary electric storage battery technical field of giving out light, particularly relate to a kind of wind light mutual complementing energy storage battery
Capacity check method.
Background technology
Along with the sustainable development of regenerative resource, energy storage battery is more and more extensive in field of renewable energy application.And
Accumulator is detected protected mode at present also in the float charge voltage that can only detect accumulator.For newly installed accumulator this
It is feasible for planting detection method.And for for after the long time or being often in the accumulator of power shortage state, accumulator
Float charge voltage higher, but accumulator is still within power shortage state, but control system is mistakenly considered electric power storage and is in saturation, is
System is in forbids charged state, and after connecting load, within the time of short duration, accumulator can stop powering load, this kind of operating mode
Constantly repeat, ultimately result in the long-term power shortage of accumulator and scrap.
Summary of the invention
It is an object of the invention to the deficiency overcoming prior art to exist, and a kind of wind light mutual complementing energy storage battery is provided
Capacity check method, in order to improve the service life of accumulator, uses the internal resistance analytic process of transient large current discharge to carry out online
Accumulator capacity detects.
It is an object of the invention to complete by following technical solution, this detection method is according to battery behavior, accumulator
Detection electric capacity is charged by group with certain initial big electric current, in the process, and continuous acquisition detection electric capacity and detection resistance
The magnitude of voltage at two ends, obtains detecting electric capacity both end voltage curve and detection resistance both end voltage curve；Take detection electric capacity two ends electricity
Pressure UC0.1、UC0.2Respectively reach the voltage U detecting resistance two ends during the 10% and 20% of accumulator battery rated voltageR1、UR2,
In the case of ensureing to have sufficiently large discharge current, according to formulaCan calculate in accumulator battery
Resistance；Then the battery characteristics data of accumulator producer are contrasted, according to the dependency of internal resistance Yu capacity, analytical calculation accumulator battery
Capacity.
As preferably, this detection method is based on line detection circuit and carries out, and described on-line checking circuit includes electricity
Tankage detection main circuit, accumulator battery, online circuit equivalent load, storage capacitor, reverse isolation diode, wherein battery holds
Amount detection main circuit includes the electric capacity charging formed by detection resistance, detection electric capacity and battery capacity detection switch metal-oxide-semiconductor series connection
Branch road, and the auxiliary detection branch being in series by discharge resistance and detection electric capacity discharge switch metal-oxide-semiconductor.
As preferably, before detection battery group capacity, battery capacity detection switch metal-oxide-semiconductor is off state, will detection
Electric capacity discharge switch metal-oxide-semiconductor is opened, and its remaining electricity is given out light by detection electric capacity by detection resistance and discharge resistance；It is then powered off
Detection electric capacity discharge switch metal-oxide-semiconductor, opens battery capacity detection switch metal-oxide-semiconductor, and accumulator battery is by detecting resistance to detection electricity
Capacity charge.
As preferably, during battery group capacity detects, in order to prevent accumulator battery in the case of heavy-current discharge
On-line checking circuit is adversely affected, storage capacitor powers to on-line checking circuit.
The invention have the benefit that 1 can effective monitoring accumulator true capacity, will not cause because of float charge voltage store
The long-term power shortage of battery and scrap；2 service lifes that can effectively extend accumulator.
Accompanying drawing explanation
Fig. 1 is the battery group capacity on-line checking circuit diagram of the present invention.
Fig. 2 is the discharge capacity charging curve schematic diagram of the present invention.
Label in accompanying drawing is respectively as follows: 1, online circuit equivalent load；2, storage capacitor；3, reverse isolation diode；4、
Accumulator battery；5, discharge resistance；6, detection resistance；7, battery capacity detection switch metal-oxide-semiconductor；8, detection electric capacity discharge switch MOS
Pipe；9, detection electric capacity；10, detection electric capacity both end voltage curve；11, detection resistance both end voltage curve.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention done detailed introduction: as shown in accompanying drawing 1,2, this online test method is according to electricity
Pond characteristic, detection electric capacity 9 is charged by accumulator battery 4 with certain initial big electric current, and in the process, continuous acquisition detects
Electric capacity 9 and the magnitude of voltage at detection resistance 6 two ends, obtain detecting electric capacity both end voltage curve 10 and detection resistance both end voltage curve
11；Take detection electric capacity 9 both end voltage UC0.1、UC0.2Respectively reach detection electricity during the 10% and 20% of accumulator battery 4 rated voltage
Hinder the voltage U at 6 two endsR1、UR2, in the case of ensureing to have sufficiently large discharge current, according to formulaAccumulator battery 4 internal resistance can be calculated；Then the battery characteristics data of accumulator producer are contrasted,
According to the dependency of internal resistance Yu capacity, the capacity of analytical calculation accumulator battery 4.
This online test method is based on line detection circuit and carries out, and described on-line checking circuit includes battery capacity
Detection main circuit, accumulator battery 4, online circuit equivalent load 1, storage capacitor 2, reverse isolation diode 3, wherein battery capacity
Detection main circuit includes being charged by the connect electric capacity that formed of detection resistance 6, detection electric capacity 9 and battery capacity detection switch metal-oxide-semiconductor 7
Branch road, and the auxiliary detection branch being in series by discharge resistance 5 and detection electric capacity discharge switch metal-oxide-semiconductor 8.
Before detection accumulator battery 4 capacity, battery capacity detection switch metal-oxide-semiconductor 7 is off state, will detection electric capacity electric discharge
Switch metal-oxide-semiconductor 8 is opened, and its remaining electricity is given out light by detection electric capacity 9 by detection resistance 6 and discharge resistance 5；It is then powered off detection
Electric capacity discharge switch metal-oxide-semiconductor 8, opens battery capacity detection switch metal-oxide-semiconductor 7, and accumulator battery 4 is electric to detection by detection resistance 6
Hold 9 chargings.
During accumulator battery 4 capacity check, in order to prevent accumulator battery 4 to online inspection in the case of heavy-current discharge
Slowdown monitoring circuit adversely affects, storage capacitor 2 power to on-line checking circuit.
It is understood that it will be understood by those skilled in the art that to technical scheme and inventive concept in addition etc.
The protection domain of appended claims of the invention all should be belonged to replacement or change.
Claims (4)
1. a wind light mutual complementing energy storage battery capacity check method, it is characterised in that: this detection method according to battery behavior,
Detection electric capacity (9) is charged by accumulator battery (4) with certain initial big electric current, in the process, and continuous acquisition detection electricity
Hold (9) and the magnitude of voltage at detection resistance (6) two ends, obtain detecting electric capacity both end voltage curve (10) and detection resistance both end voltage
Curve (11)；Take detection electric capacity (9) both end voltage UC0.1、UC0.2Respectively reach the 10% and 20% of accumulator battery (4) rated voltage
Time the voltage U at detection resistance (6) two endsR1、UR2, in the case of ensureing to have sufficiently large discharge current, according to formulaCalculate accumulator battery (4) internal resistance；Then the battery characteristics data of accumulator producer are contrasted,
According to the dependency of internal resistance Yu capacity, the capacity of analytical calculation accumulator battery (4).
Wind light mutual complementing energy storage battery capacity check method the most according to claim 1, it is characterised in that: this detection side
Method is based on line detection circuit and carries out, and described on-line checking circuit includes that battery capacity detects main circuit, accumulator battery
(4), online circuit equivalent load (1), storage capacitor (2), reverse isolation diode (3), wherein battery capacity detection main circuit
Including the electric capacity charging formed by detection resistance (6), detection electric capacity (9) and battery capacity detection switch metal-oxide-semiconductor (7) series connection
Road, and the auxiliary detection branch being in series by discharge resistance (5) and detection electric capacity discharge switch metal-oxide-semiconductor (8).
Wind light mutual complementing energy storage battery capacity check method the most according to claim 1, it is characterised in that: detection electric power storage
Before pond group (4) capacity, battery capacity detection switch metal-oxide-semiconductor (7) is off state, will detection electric capacity discharge switch metal-oxide-semiconductor (8)
Opening, its remaining electricity is given out light by detection electric capacity (9) by detection resistance (6) and discharge resistance (5)；It is then powered off detecting electric capacity
Discharge switch metal-oxide-semiconductor (8), opens battery capacity detection switch metal-oxide-semiconductor (7), and accumulator battery (4) is by detecting resistance (6) to inspection
Survey electric capacity (9) charging.
Wind light mutual complementing energy storage battery capacity check method the most according to claim 1, it is characterised in that: in accumulator
During group (4) capacity check, in order to prevent accumulator battery (4) from the case of heavy-current discharge, on-line checking circuit being caused not
Profit impact, is powered to on-line checking circuit by storage capacitor (2).
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| CN201610658068.8A CN106324512B (en) | 2016-08-10 | 2016-08-10 | A kind of wind light mutual complementing energy storage battery capacity check method |
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| CN201610658068.8A CN106324512B (en) | 2016-08-10 | 2016-08-10 | A kind of wind light mutual complementing energy storage battery capacity check method |
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| CN106324512B CN106324512B (en) | 2019-03-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107219795A (en) * | 2017-06-09 | 2017-09-29 | 王飞 | The control method of the load discharge circuit of three pieces of battery series connection |
| CN109490788A (en) * | 2018-12-21 | 2019-03-19 | 国网北京市电力公司 | The prediction technique and device of battery group capacity |
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| JPS58123479A (en) * | 1982-01-19 | 1983-07-22 | Nissan Motor Co Ltd | Capacity detector for battery of vehicle |
| FR2845482A1 (en) * | 2003-03-14 | 2004-04-09 | Siemens Vdo Automotive | Battery condition determination method, especially for automotive use, whereby a capacitive load is connected to the battery and the current and voltage transients are measured and used to determine battery internal resistance |
| JP2009063460A (en) * | 2007-09-07 | 2009-03-26 | Yokogawa Electric Corp | Device for measuring internal resistance of cell, and battery-driving sensor using the device |
| CN101672896A (en) * | 2008-09-08 | 2010-03-17 | 于雷 | On-line judgment method for capacity of backup storage battery |
| CN102608538A (en) * | 2012-03-05 | 2012-07-25 | 王国平 | Capacity online reckoning system for storage battery |
| CN102944847A (en) * | 2012-11-20 | 2013-02-27 | 无锡中星微电子有限公司 | Battery electric quantity detection method and system |
| CN103901351A (en) * | 2014-03-18 | 2014-07-02 | 浙江大学城市学院 | Single lithium ion battery SOC estimation method based on sliding window filtering |
| CN105553405A (en) * | 2016-01-14 | 2016-05-04 | 阿尔特汽车技术股份有限公司 | Device and method for estimating generating capacity of vehicle-mounted solar battery |
-
2016
- 2016-08-10 CN CN201610658068.8A patent/CN106324512B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58123479A (en) * | 1982-01-19 | 1983-07-22 | Nissan Motor Co Ltd | Capacity detector for battery of vehicle |
| FR2845482A1 (en) * | 2003-03-14 | 2004-04-09 | Siemens Vdo Automotive | Battery condition determination method, especially for automotive use, whereby a capacitive load is connected to the battery and the current and voltage transients are measured and used to determine battery internal resistance |
| JP2009063460A (en) * | 2007-09-07 | 2009-03-26 | Yokogawa Electric Corp | Device for measuring internal resistance of cell, and battery-driving sensor using the device |
| CN101672896A (en) * | 2008-09-08 | 2010-03-17 | 于雷 | On-line judgment method for capacity of backup storage battery |
| CN102608538A (en) * | 2012-03-05 | 2012-07-25 | 王国平 | Capacity online reckoning system for storage battery |
| CN102944847A (en) * | 2012-11-20 | 2013-02-27 | 无锡中星微电子有限公司 | Battery electric quantity detection method and system |
| CN103901351A (en) * | 2014-03-18 | 2014-07-02 | 浙江大学城市学院 | Single lithium ion battery SOC estimation method based on sliding window filtering |
| CN105553405A (en) * | 2016-01-14 | 2016-05-04 | 阿尔特汽车技术股份有限公司 | Device and method for estimating generating capacity of vehicle-mounted solar battery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107219795A (en) * | 2017-06-09 | 2017-09-29 | 王飞 | The control method of the load discharge circuit of three pieces of battery series connection |
| CN109490788A (en) * | 2018-12-21 | 2019-03-19 | 国网北京市电力公司 | The prediction technique and device of battery group capacity |
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| Publication number | Publication date |
|---|---|
| CN106324512B (en) | 2019-03-15 |
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Effective date of registration: 20201105 Address after: 310023 No. 158, Wuchang Road, Yuhang District, Zhejiang, Hangzhou Patentee after: Hangzhou Ruili Ultrasonic Technology Co.,Ltd. Address before: Hangzhou City, Zhejiang province 311400 Fuyang City Fuchun Street Guihua Road No. 82 Patentee before: HANGZHOU RUILI TECHNOLOGY Co.,Ltd. |