CN110867922B - Pulse charging method for pulling high voltage in floating charging stage and power supply charger - Google Patents
Pulse charging method for pulling high voltage in floating charging stage and power supply charger Download PDFInfo
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- CN110867922B CN110867922B CN201911185868.2A CN201911185868A CN110867922B CN 110867922 B CN110867922 B CN 110867922B CN 201911185868 A CN201911185868 A CN 201911185868A CN 110867922 B CN110867922 B CN 110867922B
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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
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- 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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the field of power chargers, in particular to a pulse charging method for pulling high voltage in a floating charging stage and a power charger. The method comprises the following steps: step S10, entering a floating charge stage and increasing the voltage value of the current charging voltage; and step S20, reducing the voltage value in a sectional mode until the lead-acid battery is fully charged. Compared with the prior art, the invention has the beneficial effects that the lead-acid battery is easier to be fully charged by designing the pulse charging method for pulling high voltage in the floating charging stage and the power supply charger, so that the problem that the charging adapter is easy to generate misjudgment due to the fact that the capacity of the lead-acid battery is high due to aging of the lead-acid battery is avoided; and the damage to the lead-acid battery is reduced, the lead-acid battery is at a proper temperature, and the phenomenon that the lead-acid battery is damaged or even exploded due to overhigh temperature of the lead-acid battery caused by long-term high voltage is prevented.
Description
Technical Field
The invention relates to the field of power chargers, in particular to a pulse charging method for pulling high voltage in a floating charging stage and a power charger.
Background
The Power charger (Power adapter) is a Power supply conversion device for small portable electronic equipment and electronic appliances, generally comprising a casing, a transformer, an inductor, a capacitor, a control IC, a PCB and other components, and the working principle of the Power charger is that AC input is converted into DC output. At the existing floating charge stage, the effect is to compensate charge, so that the lead-acid battery is fully charged, especially for the lead-acid battery with serious aging.
However, the existing floating charging is difficult to fully charge the lead-acid battery, the capacity of the lead-acid battery with serious aging is high, and the charging adapter is easy to generate misjudgment.
Disclosure of Invention
The present invention provides a pulse charging method and a power charger for pulling high voltage in a float charging stage, which solve the problems that the existing float charging is still difficult to fully charge a lead-acid battery, the capacity of the lead-acid battery is high due to severe aging, and a charging adapter is prone to erroneous judgment.
The technical scheme adopted by the invention for solving the technical problems is as follows: the pulse charging method for pulling high voltage in the floating charging stage is applied to the floating charging stage and comprises the following steps:
step S10, entering a floating charge stage and increasing the voltage value of the current charging voltage;
and step S20, reducing the voltage value in a sectional mode until the lead-acid battery is fully charged.
Preferably, the pulse charging method further includes:
step S31, after the lead-acid battery is fully charged, powering off and waiting for a preset time, and powering on and acquiring the voltage value change of the lead-acid battery;
and step S32, if the voltage value changes beyond the preset range, entering a strong irrigation mode.
Preferably, the pulse charging method further includes:
step S41, after the strong irrigation mode is completed, powering off and waiting for a preset time, powering on and acquiring the voltage value change of the lead-acid battery;
step S42, if the voltage value changes beyond the preset range, entering the strong irrigation mode again,
and S43, repeating the steps S41 and S42 until the obtained voltage value of the lead-acid battery is changed within a preset range.
Preferably, the step of the forced irrigation mode includes: the lead acid battery is repeatedly and strongly filled with a large current and a high voltage.
Preferably, the step of reducing the voltage value in a stepwise manner until the lead-acid battery is fully charged comprises the following steps: and continuously reducing the voltage value according to the stage sequence until the lead-acid battery is fully charged and the voltage value is at a preset value.
Wherein, the preferred scheme is: the charging mode of the pulse charging method is pulse charging.
The technical scheme adopted by the invention for solving the technical problems is as follows: there is provided a power charger comprising a processor which is operable to charge a lead acid battery by the pulse charging method.
Compared with the prior art, the invention has the beneficial effects that the lead-acid battery is easier to be fully charged by designing the pulse charging method for pulling high voltage in the floating charging stage and the power supply charger, so that the problem that the charging adapter is easy to generate misjudgment due to the fact that the capacity of the lead-acid battery is high due to aging of the lead-acid battery is avoided; and the damage to the lead-acid battery is reduced, the lead-acid battery is at a proper temperature, and the phenomenon that the lead-acid battery is damaged or even exploded due to overhigh temperature of the lead-acid battery caused by long-term high voltage is prevented.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic flow chart of a pulse charging method for pulling high voltage in a float charging stage according to the present invention;
FIG. 2 is a schematic diagram of the charging voltage during the float phase of the present invention;
FIG. 3 is a schematic flow chart of the forced irrigation mode of the present invention;
FIG. 4 is a schematic flow chart of the repetitive forced irrigation mode of the present invention.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the present invention provides a preferred embodiment of a pulse charging method for pulling high voltage in the float charging stage.
A pulse charging method for pulling high voltage in a floating charging stage comprises the following steps:
step S10, entering a floating charge stage and increasing the voltage value of the current charging voltage;
and step S20, reducing the voltage value in a sectional mode until the lead-acid battery is fully charged.
Specifically, referring to fig. 2, in order to fully charge the lead-acid battery, which is the final charging stage of the lead-acid battery, when the lead-acid battery is charged, the pulse charging method that pulls high voltage in the floating charging stage is used to enhance charging so that the lead-acid battery is charged more fully, without the capacity deficiency and the judgment error of the adapter due to aging of the lead-acid battery.
Firstly, in a floating charge stage, firstly, the current charging voltage is pulled up, certainly, the pulling up of the charging voltage can be realized within a time, after the pulling up operation is finished, the voltage value is reduced in a sectional mode, and the voltage is reduced in a stepwise mode, so that the full electric energy of the lead-acid battery can be fully charged, and the risk of damage to the lead-acid battery caused by rapid pulling up and reducing can be prevented; and the voltage value is reduced in a sectional manner until the lead-acid battery is fully charged, and the voltage is maintained to the voltage value of the full-charging stage of the lead-acid battery after the lead-acid battery is fully charged.
Meanwhile, the phenomenon that the lead-acid battery is damaged or even explodes due to the fact that the lead-acid battery is too high in temperature caused by long-term high voltage can be prevented.
In the present embodiment, referring to fig. 2, the step of decreasing the voltage value in a stepwise manner until the lead-acid battery is fully charged comprises: and continuously reducing the voltage value according to the stage sequence until the lead-acid battery is fully charged and the voltage value is at a preset value. Namely, the voltage value is continuously reduced in stages, and the number of layers in the stages can be preset and can be set according to the capacity of the lead-acid battery.
In this embodiment, the charging manner of the pulse charging method is pulse charging, and the lead-acid battery is a lead-acid battery. Pulse charging principle: in the pulse electroplating process of the pulse power supply, when the current is conducted, the pulse (peak value) current is several times or even dozens of times of the common direct current, and the instantaneous high current density enables metal ions to be reduced under extremely high overpotential, so that deposited layer grains are thinned; when the current is cut off, the discharge ions near the cathode region are restored to the initial concentration again, the concentration polarization is eliminated, high pulse (peak value) current density is continuously used in the next pulse period, and meanwhile, the phenomena of recrystallization, adsorption and desorption and the like which are favorable for a deposition layer are accompanied in the cut-off period. And, because the intermittent charging can make the lead-acid battery fully take place the chemical reaction, so can greatly reduce the gassing amount of lead-acid battery of charging course, have improved the receptivity of the lead-acid battery; and the pulse charging is interrupted, so that the circulation can enable the lead-acid battery to generate sufficient hydrogen and oxygen during charging, the two gases are reduced into electrolyte under the charging effect, the process not only can reduce the side reaction of the lead-acid battery, but also has a recovery effect on the failure phenomenon of the lead-acid battery caused by polarization; the pulse charger can shorten the charging time and has the function of cooling, so that the lead-acid battery cannot be felt when the lead-acid battery is charged fully; the pulse charger can also prolong the service life of the lead-acid battery and is safer.
Referring to fig. 3 and 4, the preferred embodiment of the present invention provides a pulse charging method for pulling high voltage in the float stage.
The steps of the pulse charging method further include:
step S31, after the lead-acid battery is fully charged, powering off and waiting for a preset time, and powering on and acquiring the voltage value change of the lead-acid battery;
and step S32, if the voltage value changes beyond the preset range, entering a strong irrigation mode.
Specifically, the capacity of the lead-acid battery is high due to aging of the lead-acid battery and is easily judged by mistake, particularly, the lead-acid battery is difficult to be fully charged after a pulse charging method for pulling high voltage in a floating charging stage is carried out, the lead-acid battery is required to be detected to be fully charged, then power is cut off, a preset time is waited for again, if the lead-acid battery is fully charged, a voltage value change exceeding a preset range exists after the power is cut off, at the moment, the lead-acid battery is powered on after the power is cut off for the preset time, the current voltage value change of the lead-acid battery is obtained, if the voltage value change exceeds the preset range, a strong filling mode is entered, and if the voltage value change is kept in the preset range, a full-charge endurance mode is maintained, or the power is cut off.
The forced-fill mode is essentially to forcibly recharge the lead-acid battery for a specified time to fully charge the lead-acid battery.
In this embodiment, and referring to fig. 4, the steps of the pulse charging method further include:
step S41, after the strong irrigation mode is completed, powering off and waiting for a preset time, powering on and acquiring the voltage value change of the lead-acid battery;
step S42, if the voltage value changes beyond the preset range, entering the strong irrigation mode again;
and S43, repeating the steps S41 and S42 until the obtained voltage value of the lead-acid battery is changed within a preset range.
Specifically, the forced filling mode may not be able to fully charge the lead-acid battery at one time, which is determined based on the aging degree of the lead-acid battery itself, and after the forced filling mode is completed each time, the power is turned off, and a preset time is waited, where the preset time may be the same as or different from the preset time of step S31, and even the preset time in the forced filling mode based on different times may be different. And after the preset time, electrifying to obtain the voltage value change of the lead-acid battery, subsequently entering a strong irrigation mode if the voltage value change exceeds a preset range, and maintaining a fully-charged endurance mode or powering off if the voltage value change is kept within the preset range.
And continuously repeating the step S41 and the step S42 until the obtained voltage value of the lead-acid battery is changed within a preset range, and the lead-acid battery can be considered to be fully charged.
In this embodiment, the step of the strong irrigation mode includes: the lead acid battery is repeatedly and strongly filled with a large current and a high voltage. Specifically, the lead-acid battery is charged by repeatedly and forcibly charging the high-voltage high-current battery, and in the forced charging mode, the forced charging time is set to prevent the lead-acid battery from being damaged or even exploded due to overlarge temperature caused by long-term high-voltage high-current charging.
In the present invention, a preferred embodiment of a power supply charger is provided.
A power charger comprising a processor that can charge a lead acid battery by the pulse charging method.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, but rather as embodying the invention in a wide variety of equivalent variations and modifications within the scope of the appended claims.
Claims (3)
1. A pulse charging method for pulling high voltage in a floating charging stage is characterized by comprising the following steps:
step S10, entering a floating charge stage and increasing the voltage value of the current charging voltage;
step S20, reducing the voltage value in a sectional mode until the lead-acid battery is fully charged;
step S31, after the lead-acid battery is fully charged, powering off and waiting for a preset time, and powering on and acquiring the voltage value change of the lead-acid battery;
step S32, if the voltage value changes beyond the preset range, entering a strong irrigation mode;
step S41, after the strong irrigation mode is completed, powering off and waiting for a preset time, powering on and acquiring the voltage value change of the lead-acid battery;
step S42, if the voltage value changes beyond the preset range, entering the strong irrigation mode again;
step S43, repeating the step S41 and the step S42 until the obtained voltage value of the lead-acid battery is changed within a preset range; wherein the content of the first and second substances,
the step of the forced irrigation mode comprises: a lead acid battery is repeatedly and strongly filled with a large current and a high voltage;
and the charging mode of the pulse charging method is pulse charging.
2. The pulse charging method of claim 1, wherein said step of step-wise reducing the voltage value until the lead-acid battery is fully charged comprises: and continuously reducing the voltage value according to the stage sequence until the lead-acid battery is fully charged and the voltage value is at a preset value.
3. A power supply charger, characterized by: the power charger comprises a processor which can charge a lead acid battery by the pulse charging method of claim 1 or 2.
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| CN201911185868.2A CN110867922B (en) | 2019-11-27 | 2019-11-27 | Pulse charging method for pulling high voltage in floating charging stage and power supply charger |
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| CN201911185868.2A CN110867922B (en) | 2019-11-27 | 2019-11-27 | Pulse charging method for pulling high voltage in floating charging stage and power supply charger |
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| CN110867922B true CN110867922B (en) | 2021-12-10 |
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| CN112086700B (en) * | 2020-09-17 | 2022-06-28 | 张志军 | Method, device and computer equipment for dynamically regulating floating charge current of lead-acid storage battery |
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| CN110867922A (en) | 2020-03-06 |
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