CN101345430A - Intelligent accumulator charging method - Google Patents
Intelligent accumulator charging method Download PDFInfo
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- CN101345430A CN101345430A CNA2008100620456A CN200810062045A CN101345430A CN 101345430 A CN101345430 A CN 101345430A CN A2008100620456 A CNA2008100620456 A CN A2008100620456A CN 200810062045 A CN200810062045 A CN 200810062045A CN 101345430 A CN101345430 A CN 101345430A
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Abstract
The invention belongs to the battery charge technique, in particular to an intelligent battery charge method characterized in that the charger is set into a plurality of charge modes by a single chip microprocessor using condensate gas potential as charge mode conversion basis according to the charge characteristic of battery, the initial capacity state of the battery is judged by a circuit composed of a voltage detection circuit, a current detection circuit, a battery charging circuit and the single chip microprocessor, wherein the high frequency switching power supply is used as the charge main circuit, the charge is selected according to the charge control mode set by the single chip microprocessor, the charging voltage and the charging current during the charging process is detected real timely and the high frequency switching power supply is closed-loop controlled. The intelligent battery charge method of the invention can set more than twenty types charge control modes, which not only ensures the battery to fully charge, but also reduces the plate salinization and water loss of the battery, guarantees the needed electron storage level for riding an electric motor car, prevents charge out of control of the battery and prolongs the battery service life.
Description
Technical field
The invention belongs to the accumulator charging technology field.
Background technology
Electric bicycle generally uses the lead acid accumulator series battery to charge at present, and charger adopts three stage charging modes of constant current, constant voltage and little electric current floating charge.According to the investigation result to the electric motor car user, in the electric bicycle use, most of user rides apart from not long every day, and battery is not a deep discharge.If with using with filling, charging in the past for a long time can cause accumulator plate salinization and phenomenon of losing water to the electric motor car user, has shortened the useful life of battery pack with existing three stage chargers; In the later stage in life-span, also can cause part batteries charging thermal runaway and cause distortion, damage, scientific and reasonable inadequately.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, provide a kind of different depth of discharges to use more scientific and reasonable, the intelligent accumulator charging method that carries out intelligent work with single-chip microcomputer of different charging currents according to battery.
Technical scheme of the present invention is as follows:
A kind of intelligent accumulator charging method is characterized in that: according to the charge characteristic of storage battery, be charge mode conversion foundation with the gassing current potential, adopt chip microprocessor that charger is provided with multiple charge mode; Storage battery is carried out the judgement of initial capacity state by the circuit of forming by electric voltage observation circuit, current monitoring circuit, battery discharge loop and chip microprocessor; Adopt hf switching power supply as the charging main circuit, select charging, charging current in the charging process and charging voltage are monitored in real time, hf switching power supply is carried out closed-loop control according to the charging control model that chip microprocessor is provided with.
Charger of the present invention is according to the initial capacity state of storage battery, the charging control model of more than 20 kind of different phase can be set, when storage battery inserts charger work, pass through earlier by electric voltage observation circuit, current monitoring circuit, the circuit that battery discharge loop and chip microprocessor are formed is judged the storage battery initial capacity, selected best charge in batteries pattern during charging, control charging current and charging voltage, both guaranteed that storage battery was full of, reduce the pole plate salinization and the dehydration of battery pack again, guarantee the accumulate level that electric motor car is ridden required, prevent that batteries charging is out of control, prolong the useful life of battery pack.
Description of drawings
Fig. 1 is a charge in batteries schematic diagram of the present invention.
Embodiment
Below by embodiment the present invention is further described:
Embodiment:
As shown in Figure 1, a kind of intelligent accumulator charging method, specifically:
A, according to the charge characteristic of storage battery, be charge mode conversion foundation with the gassing current potential, adopt chip microprocessor 2 that charger is provided with multiple charge mode.The foundation of charge in batteries pattern, electrochemical charge characteristic according to storage battery is a foundation, improve the battery charge will receiving ability during charging as much as possible, reduce dehydration as much as possible, to be not more than overpotential of hydrogen evolution is the charge mode switching criterion, determines initial charge current according to different initial capacity values, when battery capacity is low, can adopt large current charge, to improve the battery charge will receiving ability; When battery capacity is higher, can adopt low current charge, to reach to the unpolarized effect of storage battery;
B, storage battery is carried out the initial capacity condition judgement by the circuit of forming by electric voltage observation circuit 3, current monitoring circuit 4, battery discharge loop 6 and chip microprocessor 2.Earlier storage battery 5 is charged with certain charging current, signals such as the variable quantity of charging voltage and charging current size are sent into chip microprocessor 2, be accurate judgement capacity, simultaneously again storage battery 5 is carried out the discharge of certain electric current, the variable quantity and the discharging current high low signal of discharge voltage are sent into chip microprocessor 2, determine battery initial capacity value according to the rate of change of cell voltage under the two states, determine control model by chip microprocessor 2 software management systems, send control signal to hf switching power supply 1, reach battery charge;
C, the charging control model that is provided with according to scm software are selected charging, and charging current in the charging process and charging voltage are monitored in real time, and hf switching power supply 1 is carried out closed-loop control.
The present invention is provided with the management software of more than 20 kind of charge mode according to the charging curve characteristic under the different battery capacities in chip microprocessor 2 control management system, according to the current monitoring signal in the battery charger, the voltage monitoring signal is sent into chip microprocessor 2 and is calculated, judge the battery capacity state and adopt the charging curve pattern that meets setting that storage battery is charged, by electric voltage observation circuit 3 and current monitoring circuit 4 by chip microprocessor control signal control hf switching power supply 1, chip microprocessor 2 control management system are formed the charging closed-loop control.
The present invention begins charge in batteries at every turn, and all the initial capacity to storage battery detects, and according to suitable current storage battery is charged; When the storage battery initial capacity is higher, adopt low current charge, when the storage battery initial capacity is not enough, adopt large current charge.
In the whole battery charging process of the present invention, chip microprocessor 2 limits charging current, voltage in real time, when cell voltage and charging circuit reach set point, carries out the charge mode conversion, the control charging process.Safeguard charge mode by relative program startup and control, reduce and repair the pole plate salinization of storage battery.
Claims (3)
1, a kind of intelligent accumulator charging method is characterized in that: according to the charge characteristic of storage battery, be charge mode conversion foundation with the gassing current potential, adopt chip microprocessor that charger is provided with multiple charge mode; Storage battery is carried out the judgement of initial capacity state by the circuit of forming by electric voltage observation circuit, current monitoring circuit, battery discharge loop and chip microprocessor; Adopt hf switching power supply as the charging main circuit, select charging, charging current in the charging process and charging voltage are monitored in real time, hf switching power supply is carried out closed-loop control according to the charging control model that chip microprocessor is provided with.
2, intelligent accumulator charging method according to claim 1, it is characterized in that: the described method that storage battery is carried out the initial capacity condition judgement is earlier storage battery to be charged with certain charging current, signals such as the variable quantity of charging voltage and charging current size are sent into chip microprocessor, be accurate judgement capacity, again storage battery is carried out simultaneously the discharge of certain electric current, the variable quantity and the discharging current high low signal of discharge voltage are sent into chip microprocessor, determine battery initial capacity value according to the rate of change of cell voltage under the two states, determine control model by the chip microprocessor software management system, send control signal to hf switching power supply, reach battery charge.
3, intelligent accumulator charging method according to claim 1 and 2 is characterized in that: the management software that is provided with more than 20 kind of charge mode in the chip microprocessor control management system according to the charging curve characteristic under the different battery capacities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100620456A CN101345430A (en) | 2008-05-20 | 2008-05-20 | Intelligent accumulator charging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100620456A CN101345430A (en) | 2008-05-20 | 2008-05-20 | Intelligent accumulator charging method |
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| Publication Number | Publication Date |
|---|---|
| CN101345430A true CN101345430A (en) | 2009-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008100620456A Pending CN101345430A (en) | 2008-05-20 | 2008-05-20 | Intelligent accumulator charging method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105480113A (en) * | 2016-01-28 | 2016-04-13 | 科力远混合动力技术有限公司 | Charging method for vehicle-mounted lead-acid storage battery of HEV (hybrid electric vehicle) |
| CN109755667A (en) * | 2019-01-11 | 2019-05-14 | 天能电池集团有限公司 | A kind of lead storage battery rapid forming method |
| CN112349986A (en) * | 2020-11-06 | 2021-02-09 | 宇能电气有限公司 | Self-adaptive charging method and system |
-
2008
- 2008-05-20 CN CNA2008100620456A patent/CN101345430A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105480113A (en) * | 2016-01-28 | 2016-04-13 | 科力远混合动力技术有限公司 | Charging method for vehicle-mounted lead-acid storage battery of HEV (hybrid electric vehicle) |
| CN109755667A (en) * | 2019-01-11 | 2019-05-14 | 天能电池集团有限公司 | A kind of lead storage battery rapid forming method |
| CN109755667B (en) * | 2019-01-11 | 2020-09-01 | 天能电池集团股份有限公司 | Rapid formation method of lead storage battery |
| CN112349986A (en) * | 2020-11-06 | 2021-02-09 | 宇能电气有限公司 | Self-adaptive charging method and system |
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Open date: 20090114 |