CN106324512B - A kind of wind light mutual complementing energy storage battery capacity check method - Google Patents
A kind of wind light mutual complementing energy storage battery capacity check method Download PDFInfo
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- CN106324512B CN106324512B CN201610658068.8A CN201610658068A CN106324512B CN 106324512 B CN106324512 B CN 106324512B CN 201610658068 A CN201610658068 A CN 201610658068A CN 106324512 B CN106324512 B CN 106324512B
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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 present invention relates to a kind of wind light mutual complementing energy storage battery capacity check methods, the online test method is according to battery behavior, control battery group charges to detection capacitor with certain initial high current, and the voltage value of capacitor and detection resistance both ends is detected during the capacitor charging of record preservation in real time；Storage battery internal resistance is calculated according to the voltage value for measuring two points in resulting discharge curve, the battery characteristics data of battery producer are then compared, according to the correlation of internal resistance and capacity, the capacity of analytical calculation battery group.The invention has the benefit that 1 can effective monitoring battery true capacity, battery long-term power shortage will not be caused due to float charge voltage and is scrapped；2 can effectively extend the service life of battery.
Description
Technical field
The invention belongs to complementary electric storage battery technical field more particularly to a kind of wind light mutual complementing energy storage batteries of giving out light
Capacity check method.
Background technique
With the sustainable development of renewable energy, energy storage battery is in field of renewable energy using more and more extensive.And
To the detection protected mode of battery at present also in the float charge voltage that can only detect battery.For the battery newly installed this
Kind detection method is feasible.And for comparing after long-time or often for the battery in power shortage state, battery
Float charge voltage it is relatively high, but battery is still within power shortage state, but to be mistakenly considered electric power storage in a saturated state for control system, is
System, which is in, forbids charged state, and after connecting load, battery can stop powering load, such operating condition within the time of short duration
Constantly repeat, eventually leads to the long-term power shortage of battery and scrap.
Summary of the invention
It is an object of the invention to overcome the shortcomings of the prior art, and provide a kind of wind light mutual complementing energy storage battery
Capacity check method is carried out online to improve the service life of battery using the internal resistance analytic approach of transient large current discharge
Accumulator capacity detection.
The object of the present invention is achieved by the following technical solutions, and the detection method is according to battery behavior, battery
Group charges to detection capacitor with certain initial high current, and in the process, continuous acquisition detects capacitor and detection resistance
The voltage value at both ends obtains detection capacitor both end voltage curve and detection resistance both end voltage curve；Take detection capacitor both ends electricity
Press UC0.1、UC0.2The voltage U at detection resistance both ends when respectively reaching the 10% and 20% of battery group voltage ratingR1、UR2,
In the case of guarantee has sufficiently large discharge current, according to formulaIt can calculate in battery group
Resistance；Then the battery characteristics data for comparing battery producer, according to the correlation of internal resistance and capacity, analytical calculation battery group
Capacity.
Preferably, the detection method is to be based on carrying out on on-line checking circuit, the on-line checking circuit includes electricity
Tankage detects main circuit, battery group, online circuit equivalent load, storage capacitor, reverse isolation diode, and wherein battery holds
Amount detection main circuit includes the capacitor charging formed of being connected by detection resistance, detection capacitor and battery capacity detection switch metal-oxide-semiconductor
Branch, and the auxiliary detection branch being connected in series by discharge resistance and detection capacitor discharge switch metal-oxide-semiconductor.
Preferably, battery capacity detection switch metal-oxide-semiconductor is in an off state, will test before detection battery group capacity
Capacitor discharge switch metal-oxide-semiconductor is opened, and detection capacitor is remained electricity and given out light by detection resistance and discharge resistance；It is then powered off
Capacitor discharge switch metal-oxide-semiconductor is detected, battery capacity detection switch metal-oxide-semiconductor is opened, battery group is electric to detection by detection resistance
Capacity charge.
Preferably, battery group is in the case where heavy-current discharge in order to prevent during battery group capacity detection
On-line checking circuit is adversely affected, is powered from storage capacitor to on-line checking circuit.
The invention has the benefit that 1 can effective monitoring battery true capacity, will not cause to store because of float charge voltage
The long-term power shortage of battery and scrap；2 can effectively extend the service life of battery.
Detailed description of the invention
Fig. 1 is battery group capacity on-line checking circuit diagram of the invention.
Fig. 2 is discharge capacity charging curve schematic diagram of the invention.
Label in attached drawing is respectively as follows: 1, online circuit equivalent load；2, storage capacitor；3, reverse isolation diode；4,
Battery group；5, discharge resistance；6, detection resistance；7, battery capacity detection switch metal-oxide-semiconductor；8, capacitor discharge switch MOS is detected
Pipe；9, capacitor is detected；10, capacitor both end voltage curve is detected；11, detection resistance both end voltage curve.
Specific embodiment
Below in conjunction with attached drawing, the present invention will be described in detail: as shown in attached drawing 1,2, the online test method is according to electricity
Pond characteristic, battery group 4 charge to detection capacitor 9 with certain initial high current, in the process, continuous acquisition detection
The voltage value at 6 both ends of capacitor 9 and detection resistance obtains detection capacitor both end voltage curve 10 and detection resistance both end voltage curve
11；Take detection 9 both end voltage U of capacitorC0.1、UC0.2Respectively reach detection electricity when the 10% and 20% of 4 voltage rating of battery group
Hinder the voltage U at 6 both endsR1、UR2, when guaranteeing has sufficiently large discharge current, according to formula
4 internal resistance of battery group can be calculated；Then the battery characteristics data of battery producer are compared, it is related to capacity according to internal resistance
Property, the capacity of analytical calculation battery group 4.
The online test method is to be based on carrying out on on-line checking circuit, and the on-line checking circuit includes battery capacity
Main circuit, battery group 4, online circuit equivalent load 1, storage capacitor 2, reverse isolation diode 3 are detected, wherein battery capacity
Detection main circuit includes the capacitor charging formed of being connected by detection resistance 6, detection capacitor 9 and battery capacity detection switch metal-oxide-semiconductor 7
Branch, and the auxiliary detection branch being connected in series by discharge resistance 5 and detection capacitor discharge switch metal-oxide-semiconductor 8.
Before detecting 4 capacity of battery group, battery capacity detection switch metal-oxide-semiconductor 7 is in an off state, will test capacitor electric discharge
It switchs metal-oxide-semiconductor 8 to open, detection capacitor 9 is remained electricity and given out light by detection resistance 6 and discharge resistance 5；It is then powered off detection
Capacitor discharge switch metal-oxide-semiconductor 8, opens battery capacity detection switch metal-oxide-semiconductor 7, and battery group 4 is electric to detection by detection resistance 6
Hold 9 chargings.
During 4 capacity check of battery group, battery group 4 is in the case where heavy-current discharge to online inspection in order to prevent
Slowdown monitoring circuit adversely affects, and is powered from storage capacitor 2 to on-line checking circuit.
It is understood that it will be understood by those skilled in the art that being subject to technical solution of the present invention and inventive concept
It all should fall within the scope of protection of the appended claims of the present invention with replacement or change.
Claims (3)
1. a kind of wind light mutual complementing energy storage battery capacity check method, it is characterised in that: the detection method according to battery behavior,
Battery group (4) charges to detection capacitor (9) with certain initial high current, in the process, continuous acquisition detection electricity
The voltage value for holding (9) and detection resistance (6) both ends obtains detection capacitor both end voltage curve (10) and detection resistance both end voltage
Curve (11)；Take detection capacitor (9) both end voltage UC0.1、UC0.2Respectively reach the 10% and 20% of battery group (4) voltage rating
When detection resistance (6) both ends voltage UR1、UR2, when guaranteeing has sufficiently large discharge current, according to formulaCalculate battery group (4) internal resistance；Then the battery characteristics data of battery producer are compared,
According to the correlation of internal resistance and capacity, the capacity of analytical calculation battery group (4)；
The detection method is to be based on carrying out on on-line checking circuit, and the on-line checking circuit includes that battery capacity detects main electricity
Road, battery group (4), online circuit equivalent load (1), storage capacitor (2), reverse isolation diode (3), wherein battery capacity
Detection main circuit includes the electricity formed of being connected by detection resistance (6), detection capacitor (9) and battery capacity detection switch metal-oxide-semiconductor (7)
Capacity charge branch, and the auxiliary detection branch being connected in series by discharge resistance (5) and detection capacitor discharge switch metal-oxide-semiconductor (8)；
Its circuit connecting relation are as follows: detection resistance (6) and detection capacitor (9) series connection, discharge resistance (5), detection capacitor discharge switch MOS
(8) series connection is managed, connects after the two is in parallel with battery capacity detection switch metal-oxide-semiconductor (7) and is connect with battery group (4)；Online electricity
Road equivalent load (1) is connect with storage capacitor (2) parallel connection with after reverse isolation diode (3) series connection with battery group (4).
2. wind light mutual complementing according to claim 1 energy storage battery capacity check method, it is characterised in that: detection electric power storage
Before pond group (4) capacity, battery capacity detection switch metal-oxide-semiconductor (7) is in an off state, will test capacitor discharge switch metal-oxide-semiconductor (8)
It opens, detection capacitor (9) is remained electricity and given out light by detection resistance (6) and discharge resistance (5)；It is then powered off detection capacitor
Discharge switch metal-oxide-semiconductor (8) is opened battery capacity detection switch metal-oxide-semiconductor (7), and battery group (4) passes through detection resistance (6) to inspection
Survey capacitor (9) charging.
3. wind light mutual complementing according to claim 1 energy storage battery capacity check method, it is characterised in that: in battery
During group (4) capacity check, battery group (4) causes not on-line checking circuit in the case where heavy-current discharge in order to prevent
Benefit influences, and is powered from storage capacitor (2) to on-line checking circuit.
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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 true CN106324512B (en) | 2019-03-15 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN109490788B (en) * | 2018-12-21 | 2021-05-07 | 国网北京市电力公司 | Method and device for predicting capacity of storage battery pack |
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| 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 |
| CN101672896A (en) * | 2008-09-08 | 2010-03-17 | 于雷 | On-line judgment method for capacity of backup storage battery |
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| 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 |
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| JPS58123479A (en) * | 1982-01-19 | 1983-07-22 | Nissan Motor Co Ltd | Capacity detector for battery of vehicle |
| JP4894073B2 (en) * | 2007-09-07 | 2012-03-07 | 横河電機株式会社 | Battery internal resistance measuring device |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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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. |
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