CN106451711A - Composite pulse lead-acid storage battery charger and charging method thereof - Google Patents
Composite pulse lead-acid storage battery charger and charging method thereof Download PDFInfo
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- CN106451711A CN106451711A CN201610850534.2A CN201610850534A CN106451711A CN 106451711 A CN106451711 A CN 106451711A CN 201610850534 A CN201610850534 A CN 201610850534A CN 106451711 A CN106451711 A CN 106451711A
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- 238000007600 charging Methods 0.000 title claims abstract description 107
- 238000000034 method Methods 0.000 title claims abstract description 85
- 239000002131 composite material Substances 0.000 title claims abstract description 45
- 239000002253 acid Substances 0.000 title claims abstract description 26
- 230000008569 process Effects 0.000 claims abstract description 64
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 208000011726 slow pulse Diseases 0.000 claims abstract description 5
- 208000006218 bradycardia Diseases 0.000 claims description 17
- 230000036471 bradycardia Effects 0.000 claims description 17
- 150000001875 compounds Chemical class 0.000 claims description 16
- 230000008859 change Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000004080 punching Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 claims description 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000010278 pulse charging Methods 0.000 abstract 3
- 238000007599 discharging Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000010287 polarization Effects 0.000 description 7
- 230000005611 electricity Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010280 constant potential charging Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000002999 depolarising effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000028161 membrane depolarization Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
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- 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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
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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
-
- H02J7/0088—
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00711—Regulation of charging or discharging current or voltage with introduction of pulses during the charging process
-
- 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
Abstract
The invention discloses a composite pulse lead-acid storage battery charger, which comprises a rectifier, a power switch circuit, a transformer, an analog-digital converter, a single chip microcomputer, a temperature detection circuit, a photoelectric coupler and a PWM. A battery is charged by using the charger; and the process of generating a composite pulse signal in a charging process is (1) charging by a high-frequency pulse sleeved with a slow pulse, wherein the stage is the charging process and comprises multi-sawtooth wave charging, each sawtooth wave is one cycle and a small sawtooth wave of which the frequency is 50-65KHz is also embedded into each large sawtooth wave; and (2) composite positive and negative pulse charging, which comprises a pre-stage charging process and a later stage charging process of composite positive and negative pulse charging, wherein the pre-stage charging process and the later stage charging process comprise positive pulse charging, zero pulse parking and negative pulse discharging; and the slow pulse is embedded into a positive pulse and a negative pulse. The gas evolution and water loss phenomena are avoided in the charging process; the charging rate is high; the temperature rise is low; and the service life of a rechargeable battery is prolonged.
Description
Technical field
The invention belongs to Lead-acid Battery Technology field and in particular to a kind of composite pulse lead acid batteries charger and its
Charging method.
Background technology
Lead-acid accumulator, as the transferring device of energy or stand-by power supply, is widely used in various electric locomotives, electronic
In bicycle and automation equipment.Common charging method needs standby other battery because the charging interval is longer.Battery charges
Process is very big to lead acid battery charge time and aging effects, and most of battery is not using bad, but bad by filling.
The charging method of existing charger generally has constant-current charge method, constant-voltage charge, improved constant-voltage charge, stage to charge
Method and positive negative pulse stuffing mise-a-la-masse method.
Constant-current charge method：The output voltage of adjustment charging device or change and battery series resistance, keep charging current
The constant method of intensity.In the incipient stage of charging, charging current is too small, after charging phase electric current excessive, whole charging process again
Time is long, and efficiency is low, and whole charging process must have special messenger to keep an eye on, simultaneously phase after charging, and charging current is used for electricity
Xie Shui, producing gas is gassing, and this not only consumes electric energy, and easily causes active material on pole plate and come off, and affects battery
Life-span.
Constant-voltage charge method：Make voltage keep constant numerical value in whole charging intervals, with accumulator voltage by
Edge up height, and electric current gradually decreases, but excessive in the initial stage electric current that charges, and the life of storage battery is made a big impact, and easily makes storage
Battery pole plates bend, and cause battery to scrap.
Three stage charging system method：（1）The high current stage（Constant current is filled soon）, after charger startup, enter continuous current quick charge
Stage；（2）Constant-voltage phase（The anti-overshoot of constant voltage）, when charging voltage rises to constant voltage charging phase, charging current gradually decreases, and prevents
Only overshoot；（3）The small current stage（Trickle is protected full）, when charging current reduces the small current stage that enters, constant-current charge, charge electricity
Pressure slightly rises, and keeps battery to fill.But this charging process small current charging interval is long, the uncontrollable temperature of charging process,
Lead to battery charging process temperature too high, not temperature compensated lead to summer to overcharge, winter charge less, and no repair function, make
Depolarization cannot be gone while becoming a large amount of polarization, simultaneously also can gassing and dehydration in a large number.
Positive negative pulse stuffing mise-a-la-masse method：Although accelerating the chemical reaction velocity of battery, shortening battery and reaching and completely filling shape
The time of state, improve charging rate；On the other hand also ensure that battery terminal negative can timely absorb oxygen produced by positive pole
Gas, it is to avoid the polarization phenomena of battery, preferably achieves quick charge and the depolarising of lead-acid accumulator, extends battery
Service life.But this charging method still can cause partial polarization, a small amount of gassing and phenomenon of losing water occur.
Content of the invention
For the above-mentioned problems in the prior art, the present invention provide a kind of composite pulse lead acid batteries charger and
, can gassing and phenomenon of losing water in charging process present in effectively solving prior art, charging rate is slow in its charging method,
Temperature rise, the problems such as rechargeable battery short life.
For achieving the above object, the technical solution adopted for the present invention to solve the technical problems is：
A kind of composite pulse lead acid batteries charger, including rectifier, power switch circuit, transformer, analog-digital converter, list
Piece machine, temperature sensing circuit, photoelectrical coupler and PWM；
Rectifier, for alternating current is converted to direct current, and passes to power switch circuit；
Power switch circuit, for receiving the pulse signal of PWM, and controls the direct current of rectifier output by this pulse signal
Signal, is converted into ac signal；
Transformer, for changing the size of the voltage of power switch circuit output, and voltage signal is turned by analog-digital converter
It is changed to data signal, pass to single-chip microcomputer；
Temperature sensing circuit, for detecting the temperature change of charger in charging process, and detection signal is passed through analog-to-digital conversion
Device is converted to data signal, passes to single-chip microcomputer；
Single-chip microcomputer, the temperature signal of the voltage signal for receiving transformer and temperature sensing circuit transmission, and to above-mentioned signal
Information is processed, and is changed into composite pulse signal, and this composite pulse signal is passed to photoelectrical coupler；
Photoelectrical coupler, for receiving the composite pulse signal of single-chip microcomputer, and this signal is processed, and being changed into PWM can receive
Pulse signal；
PWM, for receiving the pulse signal of photoelectrical coupler transmission, and passes it to power switch circuit, for controlling work(
The opening and closing of rate on-off circuit breaker in middle, and then regulate and control positive negative pulse stuffing dutycycle.
A kind of charging method of composite pulse lead acid batteries charger, by composite pulse lead acid batteries charger and electricity
Source connects, and by rectifier, alternating current is converted to direct current, and passes to power switch circuit；
Power switch circuit receives the pulse signal of PWM, and the DC signal by the control rectifier output of this pulse signal,
It is converted into ac signal, and with the signal transmission of voltage to transformer；
Transformer changes the size of the voltage of power switch circuit output, and voltage signal is converted to number by analog-digital converter
Word signal, passes to single-chip microcomputer；
The temperature change of charger in detection charging process, and detection signal is converted to data signal by analog-digital converter,
Pass to single-chip microcomputer；
The voltage signal that the temperature change signal that single-chip microcomputer detects to temperature sensing circuit is transmitted with transformer is processed, will
It is changed into composite pulse signal, and this composite pulse signal is passed to photoelectrical coupler；
Photoelectrical coupler connects the composite pulse signal of single-chip microcomputer, and this signal is processed, and is changed into PWM receivable pulse letter
Number；
PWM receives the pulse signal of photoelectrical coupler transmission, and passes it to power switch circuit, for controlling power switch
The opening and closing of circuit breaker in middle, and then regulate and control positive negative pulse stuffing dutycycle.
Further, the generation process of composite pulse signal is：
（1）Bradycardia rushes internal sleeve high-frequency impulse and charges
This stage is charging process, charges including multiple saw-tooth wave type, and each saw-tooth wave type is a cycle, and the frequency in cycle is
180-210Hz, each big sawtooth Pori face is embedded with the little saw-tooth wave type that frequency is 50-65KHz again, and it is high that whole Bradycardia rushes internal sleeve
Frequency pulse charge phases-time is 3-4h；
（2）Compound positive negative pulse stuffing charges
Compound positive negative pulse stuffing charging process includes compound positive negative pulse stuffing charging last stage charging process and rear stage charging process, whole
Individual compound positive negative pulse stuffing charging process time is 1-2h；
Last stage and rear stage charging process all include：Positive pulse charges, zero pulse is parked and negative pulse discharge；In positive negative pulse stuffing
Portion is all embedded with Bradycardia punching, and positive pulse frequency is 180-210Hz, and slow pulse frequency is 55-60KHz.
Further, step（2）In when voltage is increased with 0.2V, positive negative pulse stuffing dutycycle is declined with the speed of 1-3, when
When positive negative pulse stuffing dutycycle is 1.6, declined with the speed of 0.05-0.3.
Composite pulse lead acid batteries charger and its charging method that the present invention provides, have the advantages that：
（1）Rush internal sleeve high-frequency impulse in Bradycardia, charging rate can be accelerated, and do not result in gassing and mistake in charging process
Water phenomenon, also will not produce temperature rise phenomenon.
（2）Charging process is in time suspended and after charging, adds certain amplitude and the negative pulse of special time, in order to slow
Rush that in charging process, the reactive ion concentration between electrode surface and solution bulk is different, the ion concentration of formation is poor, thus
Produce ion concentration polarization, and gassing and phenomenon of losing water；Also can alleviate simultaneously current density larger when cause electric charge on electrode
Accumulation produce activation polarization phenomenon.
（3）Compound positive negative pulse stuffing charges, and is embedded with Bradycardia punching, ion concentration can be made preferably to spread inside positive pulse,
Preferably depolarize, have repair to battery；Zero pulse is parked and is combined negative pulse discharge, can make generation in charging process
Electric charge accumulation and ion concentration pile up more efficient diffusion so as to translational speed is matched with charging rate, thus solving pole
Change problem.
Brief description
Fig. 1 is the circuit diagram of composite pulse lead acid batteries charger.
The structural representation that Fig. 2 charges for battery for composite pulse lead acid batteries charger.
Fig. 3 is composite pulse signal collection of illustrative plates, and Fig. 3-1 to 3-13 is answering of being continuously shot from start to end in charging process
Close pulse signal collection of illustrative plates.
Fig. 4 rushes the high-frequency impulse enlarged drawing in internal sleeve high-frequency impulse charging process for Bradycardia.
Fig. 5 is the leading portion charging process figure of the straight minus pulse charger on market.
Fig. 6 is the back segment charging process figure of the straight minus pulse charger on market.
Specific embodiment
Embodiment 1
A kind of composite pulse lead acid batteries charger, as shown in figure 1,
Including rectifier, power switch circuit, transformer, analog-digital converter, single-chip microcomputer, temperature sensing circuit, photoelectrical coupler
And PWM；
Rectifier, for alternating current is converted to direct current, and passes to power switch circuit；
Power switch circuit, for receiving the pulse signal of PWM, and controls the direct current of rectifier output by this pulse signal
Signal, is converted into ac signal；
Transformer, for changing the size of the voltage of power switch circuit output, and voltage signal is turned by analog-digital converter
It is changed to data signal, pass to single-chip microcomputer；
Temperature sensing circuit, for detecting the temperature change of charger in charging process, and detection signal is passed through analog-to-digital conversion
Device is converted to data signal, passes to single-chip microcomputer；
Single-chip microcomputer, the temperature signal of the voltage signal for receiving transformer and temperature sensing circuit transmission, and to above-mentioned signal
Information is processed, and is changed into composite pulse signal, and this composite pulse signal is passed to photoelectrical coupler；
Photoelectrical coupler, for receiving the composite pulse signal of single-chip microcomputer, and this signal is processed, and being changed into PWM can receive
Pulse signal；
PWM, for receiving the pulse signal of photoelectrical coupler transmission, and passes it to power switch circuit, for controlling work(
The opening and closing of rate on-off circuit breaker in middle, and then regulate and control positive negative pulse stuffing dutycycle.
A kind of charging method of composite pulse lead acid batteries charger, by composite pulse lead acid batteries charger and electricity
Source connects, and by rectifier, alternating current is converted to direct current, and passes to power switch circuit；
Power switch circuit receives the pulse signal of PWM, and the DC signal by the control rectifier output of this pulse signal,
It is converted into ac signal, and with the signal transmission of voltage to transformer；
Transformer changes the size of the voltage of power switch circuit output, and voltage signal is converted to number by analog-digital converter
Word signal, passes to single-chip microcomputer；
The temperature change of charger in detection charging process, and detection signal is converted to data signal by analog-digital converter,
Pass to single-chip microcomputer；
The voltage signal that the temperature change signal that single-chip microcomputer detects to temperature sensing circuit is transmitted with transformer is processed, will
It is changed into composite pulse signal, and this composite pulse signal is passed to photoelectrical coupler；
Photoelectrical coupler connects the composite pulse signal of single-chip microcomputer, and this signal is processed, and is changed into PWM receivable pulse letter
Number；
PWM receives the pulse signal of photoelectrical coupler transmission, and passes it to power switch circuit, for controlling power switch
The opening and closing of circuit breaker in middle, and then regulate and control positive negative pulse stuffing dutycycle.
Above-mentioned composite pulse lead acid batteries charger is 48V, the lead-acid accumulator of 20AH, and Fig. 2 is shown in by its circuit diagram, charges
During gather composite pulse signal with oscillograph.
The generation process of composite pulse signal is：
（1）Bradycardia rushes internal sleeve high-frequency impulse and charges
This stage is charging process, charges including multiple big saw-tooth wave type, and each big saw-tooth wave type is a cycle, and frequency is
180-210Hz, these big saw-tooth wave type constitute Bradycardia punching, and certain segment charging process in this stage of random detection, as Fig. 3-2 institute
Show, F=196.078Hz, Vmax=436.657mV, Vmin=-202.461mV, Vpp=639.118 mV, but each big sawtooth Pori
Face is embedded with the little saw-tooth wave type that frequency is 50-65KHz, a certain section of charging process in the little saw-tooth wave type of random detection, such as Fig. 4 again
Shown, F=58.824KHz, Vmax=491.682mV, Vmin=37.864mV, Vpp=453.818 mV；Whole Bradycardia rushes internal sleeve
Time high-frequency impulse charging stage is 4h；
Slow pulse charge can effectively eliminate and reduce Pb2+Concentration polarization, while improving charging rate, can effectively suppress
Analysis H2With analysis O2Reaction.
When Bradycardia rushes internal sleeve high-frequency impulse, charging rate can be accelerated, and not result in gassing in charging process
And phenomenon of losing water, also will not produce temperature rise phenomenon.
（2）Compound positive negative pulse stuffing charges
Compound positive negative pulse stuffing charging process includes compound positive negative pulse stuffing charging last stage charging process and rear stage charging process, whole
Individual compound positive negative pulse stuffing charging process time is 1.2h；
Last stage and rear stage charging process all include：Positive pulse charges, zero pulse is parked and negative pulse discharge；Inside positive pulse
It is embedded with Bradycardia punching, that is, comprises multiple little sawtooth waveforms, positive pulse frequency is 180-210Hz, the frequency of little sawtooth waveforms is 55-60KHz；
Also it is embedded with Bradycardia punching inside negative pulse；Negative pulse discharge time last stage is short, with the change in charging interval, to the rear stage, bears
Pulse discharge time is progressively longer, and when voltage is increased with 0.2V, positive negative pulse stuffing dutycycle is declined with the speed of 1-3, when positive and negative
When pulse duty factor is 1.6, declined with the speed of 0.05-0.3.
Last stage includes：Positive pulse charges, zero pulse is parked and negative pulse discharge, when zero pulse is parked with negative pulse discharge
Between relatively after the stage short, frequency be 10-22 Hz, rear stage frequency be 6-7Hz.
Fig. 3-4 is compound positive negative pulse stuffing charging last stage enlarged drawing, and in figure dashed middle line is zero line, more than zero line is positive arteries and veins
Punching, below zero line be negative pulse, from Fig. 3-4, in positive pulse also nesting much little sawtooth waveforms, the frequency of little sawtooth waveforms
Reach 58KHz.
As shown in fig. 3 to 7, this figure is the stage after compound positive negative pulse stuffing charges, from figure it is evident that being combined positive negative pulse stuffing
The negative pulse stage increase, this is in order that battery is preferably repaired.
The feature that compound positive negative pulse stuffing charges is to be embedded with Bradycardia punching inside positive pulse, and ion concentration can be made preferably to expand
Dissipate, preferably depolarize, have repair to battery；Zero pulse is parked and is combined negative pulse discharge, can make to produce in charging process
Raw electric charge accumulation and ion concentration pile up more efficient diffusion so as to translational speed is matched with charging rate, thus solving
Certainly polarization problem.
In charging process, to charging, each state parameter is monitored, and adjusts power switch according to voltage signal
On and off, is detected and by its signal to the temperature producing in its charging process also by temperature sensor simultaneously
Pass to single-chip microcomputer, by single-chip microcomputer, these signals are processed, the opening and closing ratio eventually through power switch to be entered
Row regulation and control, and then suspend charging and the negative pulse of maintenance a period of time to alleviate this phenomenon, this process can help to depolarize,
Battery temperature rise phenomenon also will not be produced simultaneously, so that the charge efficiency of battery is greatly improved, charging rate also greatly speeds up, and also keeps away
Exempted to overcharge or charge less problem.
The whole charging process of the present invention, all can play the effect repairing battery, and then extend the use longevity of battery
Life.
Fig. 5 is the leading portion charging process figure of the straight minus pulse charger on market, and as can be seen from Figure 5, positive and negative on market
The leading portion charging process of pulse charger is almost straight line, can be referred to as directly to fill the stage, Fig. 5 lower left corner can see that its frequency is
0, so the leading portion charging process of this charger does not have Bradycardia to rush；Fig. 6 is the back segment charging process figure of straight minus pulse charger, its
The positive pulse stage is also straight line, and frequency is 5.319Hz, and this frequency makes the frequency in each positive negative pulse stuffing cycle, with the present invention
Charging process be very different.
Straight minus pulse charger on market occurs gassing and phenomenon of losing water in charging process, and charging rate is slow, temperature
Raise, charger short life, and the charger being provided with the present invention, to 48V, the lead acid battery charge of 20AH, only need to fill
5.2h, its charging rate significantly improves, and temperature rise also reduces, 1-3 times of the life of rechargeable battery.
Claims (4)
1. a kind of composite pulse lead acid batteries charger it is characterised in that include rectifier, power switch circuit, transformer,
Analog-digital converter, single-chip microcomputer, temperature sensing circuit, photoelectrical coupler and PWM；
Rectifier, for alternating current is converted to direct current, and passes to power switch circuit；
Power switch circuit, for receiving the pulse signal of PWM, and controls the straight of described rectifier output by this pulse signal
Stream electric signal, is converted into ac signal, and with the signal transmission of voltage to transformer；
Transformer, for changing the size of the voltage of power switch circuit output, and voltage signal is turned by analog-digital converter
It is changed to data signal, pass to single-chip microcomputer；
Temperature sensing circuit, for detecting the temperature change of charger in charging process, and detection signal is passed through analog-to-digital conversion
Device is converted to data signal, passes to single-chip microcomputer；
Single-chip microcomputer is for receiving the voltage signal of described transformer and the temperature signal of described temperature sensing circuit transmission and right
Above-mentioned signal message is processed, and is changed into composite pulse signal, and this composite pulse signal is passed to photoelectrical coupler；
Photoelectrical coupler, for receiving the composite pulse signal of described single-chip microcomputer, and this signal is processed, being changed into PWM can
The pulse signal receiving；
PWM, for receiving the pulse signal of described photoelectrical coupler transmission, and passes it to power switch circuit, for controlling
The opening and closing of power switch circuit breaker in middle processed, and then regulate and control positive negative pulse stuffing dutycycle.
2. a kind of charging method of composite pulse lead acid batteries charger is it is characterised in that store described composite pulse plumbic acid
Battery charger is connected with power supply, by rectifier, alternating current is converted to direct current, and passes to power switch circuit；
Power switch circuit receives the pulse signal of PWM, and controls the direct current of described rectifier output by this pulse signal
Signal, is converted into ac signal, and with the signal transmission of voltage to transformer；
Transformer changes the size of the voltage of power switch circuit output, and voltage signal is converted to number by analog-digital converter
Word signal, passes to single-chip microcomputer；
The temperature change of charger in detection charging process, and detection signal is converted to data signal by analog-digital converter,
Pass to single-chip microcomputer；
The voltage signal that the temperature change signal that single-chip microcomputer detects to temperature sensing circuit is transmitted with transformer is processed, will
It is changed into composite pulse signal, and this composite pulse signal is passed to photoelectrical coupler；
Photoelectrical coupler receives the composite pulse signal of described single-chip microcomputer, and this signal is processed, and is changed into PWM receivable
Pulse signal；
PWM receives the pulse signal of described photoelectrical coupler transmission, and passes it to power switch circuit, for controlling power
The opening and closing of on-off circuit breaker in middle, and then regulate and control positive negative pulse stuffing dutycycle.
3. the charging method of composite pulse lead acid batteries charger according to claim 2 is it is characterised in that described multiple
Close pulse signal generation process be：
（1）Bradycardia rushes internal sleeve high-frequency impulse and charges
This stage is charging process, charges including multiple saw-tooth wave type, and each saw-tooth wave type is a cycle, and the frequency in cycle is
180-210Hz, each big sawtooth Pori face is embedded with the little saw-tooth wave type that frequency is 50-65KHz again, and it is high that whole Bradycardia rushes internal sleeve
Frequency pulse charge phases-time is 3-4h；
（2）Compound positive negative pulse stuffing charges
Compound positive negative pulse stuffing charging process includes compound positive negative pulse stuffing charging last stage charging process and rear stage charging process, whole
Individual compound positive negative pulse stuffing charging process time is 1-2h；
Last stage and rear stage charging process all include：Positive pulse charges, zero pulse is parked and negative pulse discharge；In positive negative pulse stuffing
Portion is all embedded with Bradycardia punching, and positive pulse frequency is 180-210Hz, and slow pulse frequency is 55-60KHz.
4. the charging method of composite pulse lead acid batteries charger according to claim 3 is it is characterised in that step
（2）In when voltage is increased with 0.2V, positive negative pulse stuffing dutycycle is declined with the speed of 1-3, when positive negative pulse stuffing dutycycle is 1.6
When, declined with the speed of 0.05-0.3.
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| CN108183534A (en) * | 2018-02-28 | 2018-06-19 | 卢浩义 | Assembled pulse fast uniform charge control system and method |
| RU2683235C1 (en) * | 2017-11-28 | 2019-03-27 | Закрытое Акционерное Общество "Бэттэри Фактор" | Device for restoring and charging acid storage battery |
| CN110233506A (en) * | 2018-05-28 | 2019-09-13 | 杭州光力美电子科技有限公司 | A kind of automobile storage battery maintenance device |
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