CN104167571B - The lead acid batteries charger charge technology that a kind of applicable electric motor car uses - Google Patents

The lead acid batteries charger charge technology that a kind of applicable electric motor car uses Download PDF

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Publication number
CN104167571B
CN104167571B CN201410354630.9A CN201410354630A CN104167571B CN 104167571 B CN104167571 B CN 104167571B CN 201410354630 A CN201410354630 A CN 201410354630A CN 104167571 B CN104167571 B CN 104167571B
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stage
current
charge
charging
battery
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CN104167571A (en
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杨绍坡
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Chaowei Power Supply Co Ltd
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Chaowei Power Supply Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses a kind of electric motor car that is suitable for and use lead acid batteries charger charge technology, including five stages: 1) initial stage big electric current constant-current charging phase；2) low current charge in the mid-term stage；3) the later stage low current charge stage；4) constant voltage charging phase；5) the floating charge stage；At front three phases, charging current gradually reduces stage by stage, and charging current scope is 0.05-0.2C2A, charges to cell negative terminal voltage 2.30-2.40V；In latter two stage, limit charging current and be not more than 0.05C2A, constant voltage 2.28-2.48V.After the present invention uses the lead acid batteries charger charge technology that above-mentioned applicable electric motor car uses, battery charge efficiency is high, and battery percentage of water loss is low, it is to avoid battery charge less electricity or overcharge, and the resistance to cycle life of battery significantly improves, battery capacity is sufficient.

Description

The lead acid batteries charger charge technology that a kind of applicable electric motor car uses
Technical field
The present invention relates to accumulator field, be specifically related to one and be suitable for carrying out charge and discharge cycles under various ambient temperatures, be suitable for the charge technology using lead acid batteries charger that cell electric vehicle uses.
Background technology
Electric bicycle is with its advantage such as spry and light, convenient, cheap, and city's field depth is welcome by consumers in general at home.Lead-acid accumulator is because cost performance is high, power characteristic is good, and self discharge is little, low price, application of having got back in electric bicycle in recent years.
Present stage, the charger that on market, lead-acid accumulator for electric bicycle uses, mostly use three stage charging modes；Charging current is not distinctly claimed, and charging voltage value, from 14.40-15.20V, charges the battery with above-mentioned charger, is easily caused battery charge less electricity or overcharge；Charge less electricity can cause battery capacity rapid decrease；Overcharge can cause again battery dehydration serious and cause battery tympanites or dry, ultimately results in the shortening of battery, and general battery uses just to be needed about half a year to change.
Summary of the invention
The technical problem to be solved is just to provide a kind of electric motor car that is suitable for and uses lead acid batteries charger charge technology, it is to avoid battery charge less electricity or overcharge, improves service life.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that a kind of electric motor car that is suitable for uses lead acid batteries charger charge technology, it is characterised in that include five stages:
1) initial stage big electric current constant-current charging phase；
2) low current charge in the mid-term stage；
3) the later stage low current charge stage；
4) constant voltage charging phase；
5) the floating charge stage；
At front three phases, charging current gradually reduces stage by stage, and charging current scope is 0.05-0.2C2A, charges to cell negative terminal voltage 2.30-2.40V；
In latter two stage, limit charging current and be not more than 0.05 C2A, constant voltage 2.28-2.48V.
Preferably, the biggest electric current constant-current charging phase, charging current 0.2 C2A, charge to cell negative terminal voltage 2.30-2.40V, proceed to next stage.
Preferably, in low current charge stage in mid-term, charging current 0.10-0.15C2A, charge to cell negative terminal voltage 2.30-2.40V, proceed to next stage.
Preferably, in low current charge stage in later stage, charging current 0.05-0.10C2A, charge to cell negative terminal voltage 2.30-2.40V, proceed to next stage.
Preferably, in constant voltage charging phase, current limliting 0.05C2A, constant voltage 2.45-2.48V, when electric current drops to 0.03C2Next stage is proceeded to during A.
Preferably, in the floating charge stage, limit electric current 0.05C10A, the long-time floating charge of constant voltage 2.28-2.30V.
Preferably, charging time, by temperature sensor detection ambient temperature and on the basis of 25 DEG C temperature be charged the temperature-compensating of voltage, temperature compensation coefficient is-0.003V/ lattice DEG C.
Charge technology of the present invention is divided into five stages: initial stage big electric current constant-current charging phase, low current charge stage in mid-term, low current charge stage in later stage, constant voltage charging phase and floating charge stage.
The purpose of initial stage big electric current constant-current charging phase is to make accumulator charge in the very fast time.After battery discharge, charge acceptance is strong.Use large current charge can shorten the charging interval.It is cell tension 2.30-2.40V that the charging of this stage terminates time point, it is therefore an objective to when battery reaches this voltage, there is no gas and produces.Avoid battery dehydration.
The purpose in low current charge stage in mid-term is to make accumulator before producing gas, and electrochemical reaction fully occurs.Making positive plate produce enough Lead oxide brown, negative pole produces enough spongy leads.
The purpose in low current charge stage in later stage is because the internal resistance of cell includes polarization resistance and material resistance.In order to prevent material internal resistance from playing a role.Use more low current charge.Can ensure that cell active materials returns to status before charging.
The purpose of constant voltage charging phase is to make battery be in fully charged state, and after battery reaches fully charged state, charger proceeds to next stage automatically.
Battery is when shelving, it may appear that self discharge, by floating charge mode, can make up capacitance loss when battery is shelved.Ensure that battery is unanimously in fully charged state.
Therefore after the present invention uses the lead acid batteries charger charge technology that above-mentioned applicable electric motor car uses, battery charge efficiency is high, and battery percentage of water loss is low, it is to avoid battery charge less electricity or overcharge, and the resistance to cycle life of battery significantly improves, battery capacity is sufficient.
It addition, the present invention is when charging, with temperature sensor, equipment has intelligent temperature and compensates function, is suitable for carrying out charge and discharge cycles under various ambient temperatures, accomplishes not charge less in winter, do not overcharge summer.
Detailed description of the invention
The invention provides a kind of electric motor car that is suitable for and use lead acid batteries charger charge technology, including following five stages:
1) initial stage big electric current constant-current charging phase；
2) low current charge in the mid-term stage；
3) the later stage low current charge stage；
4) constant voltage charging phase；
5) the floating charge stage；
At front three phases, charging current gradually reduces stage by stage, and charging current scope is 0.05-0.2C2A, charges to cell negative terminal voltage 2.30-2.40V；
In latter two stage, limit charging current and be not more than 0.05C2A, constant voltage 2.28-2.48V.
Below in conjunction with specific embodiment the present invention made and illustrating.
Embodiment 1
A kind of Lead Acid Battery Used for Electric Vehicle charger charge technology that is suitable for was made up of 5 stages: (as a example by 48V20AH set of cells, this set of cells is made up of 24 single lattice).
1) charging current 0.2C2=0.2*20=4A, charges to battery voltage 2.30*24=55.20V；Proceed to next stage.
2) charging current 0.10C2=0.10*20=2A, charges to battery voltage 2.30*24=55.20V；Proceed to next stage.
3) charging current 0.05C2=0.05*20=1A, charges to battery voltage 2.30*24=55.20V；Proceed to next stage.
4) current limliting 0.05C2=0.05*20=1A, constant voltage 2.45*24=58.80V；When electric current drops to 0.03C2Next stage is proceeded to during=0.03*20=0.6A.
5) electric current 0.03C is limited2=0.03*20=0.6A, the long-time floating charge of constant voltage 2.28*24=54.72V.
Embodiment 2
A kind of Lead Acid Battery Used for Electric Vehicle charger charge technology that is suitable for was made up of 5 stages: (as a example by 48V20AH set of cells, this set of cells is made up of 24 single lattice).
1) charging current 0.2C2=0.2*20=4A, charges to battery voltage 2.40*24=57.60V；Proceed to next stage.
2) charging current 0.10C2=0.10*20=2A, charges to battery voltage 2.40*24=57.60V；Proceed to next stage.
3) charging current 0.05C2=0.05*20=1A, charges to battery voltage 2.40*24=57.60V；Proceed to next stage.
4) current limliting 0.05C2=0.05*20=1A, constant voltage 2.48*24=59.52V；When electric current drops to 0.03C2Next stage is proceeded to during=0.03*20=0.6A.
5) electric current 0.03C is limited2=0.03*20=0.6A, the long-time floating charge of constant voltage 2.30*24=55.2V.
Embodiment 3
A kind of Lead Acid Battery Used for Electric Vehicle charger charge technology that is suitable for was made up of 5 stages: (as a example by 48V20AH set of cells, this set of cells is made up of 24 single lattice).
1) charging current 0.2C2=0.2*20=4A, charges to battery voltage 2.35*24=56.40V；Proceed to next stage.
2) charging current 0.10C2=0.10*20=2A, charges to battery voltage 2.35*24=56.40V；Proceed to next stage.
3) charging current 0.05C2=0.05*20=1A, charges to battery voltage 2.35*24=56.40V；Proceed to next stage.
4) current limliting 0.05C2=0.05*20=1A, constant voltage 2.48*24=59.52V；When electric current drops to 0.03C2Next stage is proceeded to during=0.03*20=0.6A.
5) electric current 0.03C is limited2=0.03*20=0.6A, the long-time floating charge of constant voltage 2.30*24=55.2V.
In above three embodiment, use to make lead-acid accumulator be suitable under various ambient temperature.When charging, with temperature sensor, equipment has intelligent temperature and compensates function, and temperature compensation coefficient is-0.003V/ lattice DEG C * 24=-0.072V/ DEG C.I.e. temperature often raises 1 DEG C, and set of cells charging total voltage declines 0.072V.
The relation of charging current and battery specifications: charging current is directly proportional to battery specifications, and battery specifications is the biggest, and its charging current is the biggest；It addition, above-mentioned C2: represent the rated capacity of 2 hour rate batteries；C10 represents the rated capacity of 10 hour rate batteries；In order to meet customer need, patent of the present invention uses optimal charge technology to charge the battery according to the feature of electrokinetic cell, it is ensured that battery reduces dehydration in charging process, and ensures that battery can adapt to full charge under various external environment condition.Allow what user used to feel more relieved, reduce the fault rate that product uses, there is extraordinary economic benefit and social benefit.

Claims (1)

1. the lead acid batteries charger charge technology that an applicable electric motor car uses, it is characterised in that include five stages:
1) initial stage big electric current constant-current charging phase；
2) low current charge in the mid-term stage；
3) the later stage low current charge stage；
4) constant voltage charging phase；
5) the floating charge stage；
At front three phases, charging current gradually reduces stage by stage, and charging current scope is 0.05-0.2C2 A, charges to cell negative terminal voltage 2.30-2.40V；
In latter two stage, limit charging current and be not more than 0.05 C2 A, constant voltage 2.28-2.48V；
The biggest electric current constant-current charging phase, charging current 0.2 C2 A, charges to cell negative terminal voltage 2.30-2.40V, proceeds to next stage；In the low current charge stage in mid-term, charging current 0.10-0.15 C2 A, charges to cell negative terminal voltage 2.30-2.40V, proceeds to next stage；At low current charge stage in later stage, charging current 0.05-0.10 C2 A, charges to cell negative terminal voltage 2.30-2.40V, proceeds to next stage；At constant voltage charging phase, current limliting 0.05 C2 A , constant voltage 2.45-2.48V, when electric current drops to 0.03 C2 Next stage is proceeded to during A；In the floating charge stage, limit electric current 0.05 C10 A, the long-time floating charge of constant voltage 2.28-2.30V；Charging time, by temperature sensor detection ambient temperature and on the basis of 25 DEG C temperature be charged the temperature-compensating of voltage, temperature compensation coefficient is-0.003V/ lattice DEG C.
CN201410354630.9A 2014-07-24 2014-07-24 The lead acid batteries charger charge technology that a kind of applicable electric motor car uses Active CN104167571B (en)

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CN107294159A (en) * 2017-06-26 2017-10-24 超威电源有限公司 Lead-acid accumulator magnetic force charging method
CN107703454A (en) * 2017-08-24 2018-02-16 超威电源有限公司 A kind of power lead acid battery fast charging and discharging method of testing
CN108282007B (en) * 2018-02-12 2020-12-25 中航锂电技术研究院有限公司 Communication battery module charging current limiting strategy
CN109786873B (en) * 2018-12-21 2022-08-26 安徽力普拉斯电源技术有限公司 Rapid charging method of power lead storage battery
CN110311181B (en) * 2019-05-31 2021-02-12 天能电池集团股份有限公司 Low-temperature charging process for lead storage battery
CN111710930A (en) * 2019-12-09 2020-09-25 超威电源集团有限公司 Charger and charging method thereof
CN111342156A (en) * 2019-12-09 2020-06-26 超威电源集团有限公司 Charging method of storage battery
CN111063953A (en) * 2019-12-18 2020-04-24 汉腾汽车有限公司 Method for charging direct-current charging tail end of pure electric vehicle
CN111682274B (en) * 2020-06-18 2022-02-15 浙江天能电池(江苏)有限公司 Storage battery low-temperature charging and discharging method based on temperature compensation
CN112490525A (en) * 2020-11-19 2021-03-12 浙江南都电源动力股份有限公司 Charging method for prolonging service life of lead-acid storage battery

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CN201113527Y (en) * 2007-08-14 2008-09-10 漳州科华技术有限责任公司 Accumulator charger output voltage autocompensation device
CN102082458B (en) * 2010-12-31 2014-01-15 易事特电力***技术有限公司 Inverter intelligent charging control method
CN102130368B (en) * 2011-02-16 2013-05-08 江苏技术师范学院 Preheating charging method of valve-controlled type lead-acid storage battery
CN102136613B (en) * 2011-02-18 2013-06-19 江苏理工学院 Valve-regulated lead-acid battery equalizing charge method
CN102998623B (en) * 2011-09-14 2016-03-16 北汽福田汽车股份有限公司 The estimation on line method and system of storage battery charge state
CN102427147A (en) * 2011-12-07 2012-04-25 山东圣阳电源科技有限公司 Charging method for vehicle lead-acid storage battery

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