CN105896697B - A kind of low frequency high-speed charger control circuit - Google Patents
A kind of low frequency high-speed charger control circuit Download PDFInfo
- Publication number
- CN105896697B CN105896697B CN201610385654.XA CN201610385654A CN105896697B CN 105896697 B CN105896697 B CN 105896697B CN 201610385654 A CN201610385654 A CN 201610385654A CN 105896697 B CN105896697 B CN 105896697B
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- circuit
- battery
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- semiconductor
- metal
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- 238000007600 charging Methods 0.000 claims abstract description 32
- 238000007493 shaping process Methods 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 239000004065 semiconductor Substances 0.000 claims description 41
- 238000001514 detection method Methods 0.000 claims description 24
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010277 constant-current charging Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H02J7/027—
-
- 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
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- H02J7/042—
-
- 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
-
- H02J2007/10—
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of low frequency high-speed charger control circuit.A kind of low frequency high-speed charger, including the correction of switching power circuit, filtering shaping circuit, square wave promote circuit and main control chip；Switching power circuit is used to 220V electric mains be converted into 56V direct currents, and filtering shaping circuit is used to be filtered shaping to 56V direct currents, and switching power circuit is connected with filtering shaping circuit, the positive pole of the output end connection battery of filtering shaping circuit；Square wave correction promotes the input of circuit to be connected with main control chip, and its output end connects the negative pole of battery, and main control chip control battery carries out low frequency rapid charge.Charging rate of the present invention is fast, and pole plate is rapidly closed rapidly after one work period of conversion during charging, reduces the bubble formation of pole plate and prevents electronics mobile and rapid translating, after charging complete, immediately turns off 220V power supplies, power saving safety.
Description
Technical field
The present invention relates to a kind of charger control circuit, specifically a kind of low frequency high-speed charger control circuit, belong to and fill
Technical field of electric appliances.
Background technology
It is well known that lead accumulator normal charging period is 8 hours to 12 hours now, and battery charge time length, electric energy
Conversion efficiency is low, and battery temperature too high phenomena such as causing battery bubbling when charging, and can not be cut automatically after charging complete
Power-off source, cause to overcharge.
The charging principle of lead-acid battery is exactly to convert electrical current into chemical energy in simple terms, that is, spongy lead is changed
Into lead oxide.It is continual during common charger charging, many minute bubbles can be formed on such pole plate, slow down the shifting of electronics
Move, so that the time of stereotype oxidation becomes slow；Large current charge can make battery seriously generate heat again, cause battery case quick-fried
Split, the bath composition of lead-acid battery is water and dilute sulfuric acid respectively, and it is exhausted that heating can improve battery electrolyte.
The content of the invention
The defects of for prior art, the present invention provide a kind of low frequency high-speed charger control circuit, realize the height of battery
Quick charge is imitated, and battery bubbling caused by temperature is too high when reducing charging, the problems such as overcharging.
In order to solve the technical problem, the technical solution adopted by the present invention is：A kind of low frequency high-speed charger control electricity
Road, including the correction of switching power circuit, filtering shaping circuit, square wave promote circuit and main control chip；The switching power circuit
For 220V electric mains to be converted into 56V direct currents, filtering shaping circuit is used to be filtered shaping to 56V direct currents, opened
Powered-down source circuit is connected with filtering shaping circuit, the positive pole of the output end connection battery of filtering shaping circuit；Square wave correction pushes away
The input of dynamic circuit is connected with main control chip, and its output end connects the negative pole of battery, and main control chip is corrected to square wave and promoted
Circuit output has the square wave of certain dutycycle, and the correction of circuit is promoted by square wave correction, has to GND output
The square wave of certain dutycycle, control battery carry out low frequency rapid charge.
Low frequency high-speed charger control circuit of the present invention, in addition to battery temperature and charging state detection circuit, fill
The temperature and charged state of full electric automatic power-off circuit, battery temperature and charging state detection circuit detection battery, fill in battery
When full electric, start fully charged automatic power-off circuit, stop charging the battery.
Low frequency high-speed charger control circuit of the present invention, main control chip are also associated with mainboard temperature sensing circuit and wind
Drive circuit is fanned, temperature signal is simultaneously transferred to main control chip, main control chip by the temperature of mainboard temperature sensing circuit detection mainboard
According to the break-make of mainboard temperature controlled fan drive circuit.
Low frequency high-speed charger control circuit of the present invention, in addition to voltage stabilizing and reference voltage circuit, constant-current circuit and
Constant voltage circuit, voltage stabilizing and reference voltage circuit provide reference voltage to constant-current circuit, constant voltage circuit, battery is kept constant pressure, perseverance
Current charge.
Low frequency high-speed charger control circuit of the present invention, the square wave correction promote circuit to include comparator U2A, three
Pole pipe Q1, triode Q5 and metal-oxide-semiconductor Q3, comparator U2 A normal phase input end are connected with the PWM1 ends of main control chip, comparator
U2A inverting input connection 2.5V voltages, the base stage of comparator U2 A output end respectively with triode Q1, Q5 are connected, and three
Pole pipe Q1 emitter stage, triode Q5 colelctor electrode are connected with metal-oxide-semiconductor Q3 grid, metal-oxide-semiconductor Q3 drain electrode and the negative pole of battery
It is connected, the grounded emitter of metal-oxide-semiconductor Q3 source electrode, triode Q5, triode Q1 colelctor electrode connects 12V voltages.
Low frequency high-speed charger control circuit of the present invention, it is described to include metal-oxide-semiconductor Q9, suction full of automatic power-off circuit
Switch and button S1, metal-oxide-semiconductor Q9 grid are connected with the detection output of battery temperature and charging state detection circuit, metal-oxide-semiconductor
Q9 drain electrode connection suction switch, metal-oxide-semiconductor Q9 source ground, button S1 are connected between metal-oxide-semiconductor Q9 drain electrode and ground.
Low frequency high-speed charger control circuit of the present invention, the fan drive circuit include comparator U2B, metal-oxide-semiconductor
Q11, comparator U2B normal phase input end are connected with the fan control end of main control chip, comparator U2B output end and metal-oxide-semiconductor
Q11 grid is connected, and metal-oxide-semiconductor Q11 drain electrode is connected with plug connector JP2, plug connector JP2 connection fans.
Low frequency high-speed charger control circuit of the present invention, the voltage stabilizing and reference voltage circuit include voltage-stablizer Q6,
Voltage-stablizer Q6 input is connected with the secondary coil of transformer, voltage-stablizer Q6 output end output 2.5V burning voltages, the perseverance
Volt circuit, constant-current circuit are completed using comparator, and the normal phase input end of comparator is connected with voltage-stablizer Q6 input, constant pressure electricity
The output end connection 56V voltages on road.
Low frequency high-speed charger control circuit of the present invention, the frequency of main control chip output square wave is 300HZ, dutycycle
For 0%--50%.
Beneficial effects of the present invention：Low frequency high-speed charger of the present invention is charged using low frequency high-current switch pattern,
The square wave with certain dutycycle is produced by main control chip, control battery carries out low frequency rapid charge, and charging rate is fast, fills
Pole plate is rapidly closed rapidly after one work period of conversion when electric, is reduced the bubble formation of pole plate and is prevented electronics movement and fast
Speed conversion, after charging complete, immediately turn off 220V power supplies, power saving safety.
Brief description of the drawings
Fig. 1 is the theory diagram of the present invention；
Fig. 2 is main control chip and its peripheral circuit diagram；
Fig. 3 is the schematic diagram that square wave correction promotes circuit；
Fig. 4 is battery temperature and charging state detection circuit, the schematic diagram of fully charged automatic power-off circuit；
Fig. 5 is that main plate temperature detects circuit, the schematic diagram of fan drive circuit
Fig. 6 is voltage stabilizing and reference voltage circuit, constant voltage circuit, the schematic diagram of constant-current circuit
Embodiment
The present invention is described further with specific implementation example below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of low frequency high-speed charger control circuit, including switching power circuit, filter rectifier, side
Ripple correction promotes circuit and main control chip；The switching power circuit is used to 220V electric mains be converted into 56V direct currents, filters
Ripple rectification circuit is used to be filtered rectification to 56V direct currents, and switching power circuit is connected with filter rectifier, and filtering is whole
The positive pole of the output end connection battery of current circuit；Square wave correction promotes the input of circuit to be connected with main control chip, and it is exported
The negative pole of end connection battery, main control chip correct the square wave for promoting circuit output to have certain dutycycle, and process side to square wave
Ripple correction promotes the correction of circuit, and to square wave of the GND output with certain dutycycle, control battery carries out low frequency at a high speed
Charging.
In the present embodiment, as shown in Figure 2,3, the square wave correction promotes circuit to include comparator U2A, triode Q1, three
Pole pipe Q5 and metal-oxide-semiconductor Q3, comparator U2A normal phase input end are connected with the PWM1 ends of main control chip, and comparator U2 A's is anti-phase
Input connects 2.5V reference voltages, and the base stage of comparator U2A output end respectively with triode Q1, Q5 is connected, triode Q1
Emitter stage, triode Q5 emitter stage be connected with metal-oxide-semiconductor Q3 grid, metal-oxide-semiconductor Q3 drain electrode is connected with the negative pole of battery,
Metal-oxide-semiconductor Q3 source electrode, triode Q5 grounded collector, triode Q1 colelctor electrode connect 12V voltages.Main control chip is to comparator
U2A output duty cycles are 0%--50% square wave, when square wave is high level, comparator output high level, and triode Q1, Q5,
Metal-oxide-semiconductor Q3 is turned on, and battery is started to charge up, and when square wave is low level, metal-oxide-semiconductor Q3 is not turned on, and battery stops charging.Due to master control
The continuous output duty cycle of chip is less than 50% square wave, so battery is alternately constantly charged, avoids the steaming of electrolyte
Hair, also improves charging rate.The dutycycle of square wave is changed according to the charged state of battery.
In order to avoid the phenomenon of over-charging of battery, low frequency high-speed charger control circuit of the present invention, in addition to battery temperature
Degree and charging state detection circuit, fully charged automatic power-off circuit, battery temperature and charging state detection circuit detection battery
Temperature and charged state, when battery is fully charged, start fully charged automatic power-off circuit, stop charging the battery.
In the present embodiment, as shown in figure 4, the fully charged automatic power-off circuit includes metal-oxide-semiconductor Q9, suction switch and button
S1, metal-oxide-semiconductor Q9 grid are connected with the detection output of battery temperature and charging state detection circuit, and metal-oxide-semiconductor Q9 drain electrode connects
Suction switch, metal-oxide-semiconductor Q9 source ground are connect, button S1 is connected between metal-oxide-semiconductor Q9 drain electrode and ground.The battery temperature and
Charging state detection circuit includes resistance R37, R40 and electric capacity C24, resistance R37, R40 series connection, and electric capacity C24 is connected in parallel on resistance R40
Both ends, the both ends of resistance R37, R40 two termination batteries, temperature detecting point are connected between resistance R37 and R40.Work as battery temperature
Being measured with charging state detection circuit after battery fills with electricity, detection output DP exports low level to metal-oxide-semiconductor Q9 grid,
Metal-oxide-semiconductor Q9 ends, its output low current that drains, suction switch dead electricity, and 220V civil powers are cut off, and battery stops charging.Work as button
When S1 is pressed, suction switch obtains electric adhesive, and 220V cities are electrically accessed, and battery starts to charge up.
In order to prevent mainboard temperature too high, low frequency high-speed charger control circuit of the present invention, main control chip is also connected with
There are mainboard temperature sensing circuit and fan drive circuit, the temperature of mainboard temperature sensing circuit detection mainboard simultaneously passes temperature signal
It is defeated by main control chip, main control chip is according to the break-make of mainboard temperature controlled fan drive circuit.
In the present embodiment, as shown in figure 5, the fan drive circuit includes comparator U2B, metal-oxide-semiconductor Q11, comparator U2B
Normal phase input end be connected with the fan control end of main control chip, comparator U2B output end is connected with metal-oxide-semiconductor Q11 grid,
Metal-oxide-semiconductor Q11 drain electrode is connected with plug connector JP2, plug connector JP2 connection fans.The detection output of mainboard temperature sensing circuit
It is connected with the WD ends of main control chip, the temperature of mainboard temperature sensing circuit detection mainboard is simultaneously analyzed and processed, when mainboard temperature
During more than design temperature, main control chip sends signal by fan control end to fan drive circuit, turns on metal-oxide-semiconductor Q11, inserts
Fitting JP2 obtain it is electric, the fan being connected with plug connector JP2 also electric start-up operation.
In order that battery constant voltage constant current charging, low frequency high-speed charger control circuit of the present invention, in addition to voltage stabilizing and
Reference voltage circuit, constant-current circuit and constant voltage circuit, voltage stabilizing and reference voltage circuit provide benchmark to constant-current circuit, constant voltage circuit
Voltage, battery is set to keep constant pressure, constant-current charge.
In the present embodiment, as shown in fig. 6, the voltage stabilizing and reference voltage circuit include voltage-stablizer Q6, voltage-stablizer Q6's is defeated
Enter end by diode D5 with the secondary coil of transformer to be connected, voltage-stablizer Q6 output end output 2.5V burning voltages, the perseverance
Volt circuit, constant-current circuit are completed using comparator, and constant voltage circuit includes comparator U1B, comparator U1B normal phase input end and change
Depressor Q6 input is connected, and comparator U1B output end connects 56V by the resistance R5, electric capacity C3, resistance R4, R3 of series connection
Direct current, the resistance R13 of comparator U1B inverting input connection parallel connection, electric capacity C9, resistance R13 in parallel, electric capacity C9 one end
Ground connection, the other end are connected between resistance R4, electric capacity C3.The stable 2.5V that comparator U1B provides according to voltage stabilizing and reference circuit
Voltage, ensure that the charging voltage of battery is maintained at 56V, even if battery constant-voltage charge.
Described above is only the general principle and preferred embodiment of the present invention, and those skilled in the art make according to the present invention
The improvement and replacement gone out, belongs to protection scope of the present invention.
Claims (6)
- A kind of 1. low frequency high-speed charger control circuit, it is characterised in that：Including switching power circuit, filtering shaping circuit, side Ripple correction promotes circuit and main control chip；The switching power circuit is used to 220V electric mains be converted into 56V direct currents, filters Wave shaping circuit is used to be filtered shaping to 56V direct currents, and switching power circuit is connected with filtering shaping circuit, and filtering is whole The positive pole of the output end connection battery of shape circuit；Square wave correction promotes the input of circuit to be connected with main control chip, and it is exported The negative pole of end connection battery, main control chip correct the square wave for promoting circuit output to have certain dutycycle, and process side to square wave Ripple correction promotes the correction of circuit, and to square wave of the GND output with certain dutycycle, control battery carries out low frequency at a high speed Charging；Square wave correction promotes circuit to include comparator U2A, triode Q1, triode Q5 and metal-oxide-semiconductor Q3, comparator U2A Normal phase input end is connected with the PWM1 ends of main control chip, the comparator U2A output end base stage phase with triode Q1, Q5 respectively Even, triode Q1 emitter stage, triode Q5 emitter stage be connected with metal-oxide-semiconductor Q3 grid, metal-oxide-semiconductor Q3 drain electrode and battery Negative pole is connected, and metal-oxide-semiconductor Q3 source electrode, triode Q5 grounded collector, triode Q1 colelctor electrode connect 12V voltages；Also include Battery temperature and charging state detection circuit, fully charged automatic power-off circuit, battery temperature and charging state detection circuit detection The temperature and charged state of battery, when battery is fully charged, start fully charged automatic power-off circuit, stop filling to battery Electricity, the fully charged automatic power-off circuit include metal-oxide-semiconductor Q9, suction switch and button S1, metal-oxide-semiconductor Q9 grid and battery temperature It is connected with the detection output of charging state detection circuit, metal-oxide-semiconductor Q9 drain electrode connection suction switch, metal-oxide-semiconductor Q9 source electrode connects Ground, button S1 are connected between metal-oxide-semiconductor Q9 drain electrode and ground.
- 2. low frequency high-speed charger control circuit according to claim 1, it is characterised in that：Main control chip is also associated with leading Plate temperature detects circuit and fan drive circuit, and temperature signal is simultaneously transferred to by the temperature of mainboard temperature sensing circuit detection mainboard Main control chip, main control chip is according to the break-make of mainboard temperature controlled fan drive circuit.
- 3. low frequency high-speed charger control circuit according to claim 1, it is characterised in that：Also include voltage stabilizing and benchmark electricity Volt circuit, constant-current circuit and constant voltage circuit, voltage stabilizing and reference voltage circuit provide reference voltage to constant-current circuit, constant voltage circuit, Battery is set to keep constant pressure, constant-current charge.
- 4. low frequency high-speed charger control circuit according to claim 2, it is characterised in that：The fan drive circuit bag Comparator U2B, metal-oxide-semiconductor Q11 are included, comparator U2B normal phase input end is connected with the fan control end of main control chip, comparator U2B output end is connected with metal-oxide-semiconductor Q11 grid, and metal-oxide-semiconductor Q11 drain electrode is connected with plug connector JP2, plug connector JP2 connection wind Fan.
- 5. low frequency high-speed charger control circuit according to claim 3, it is characterised in that：The voltage stabilizing and reference voltage Circuit includes voltage-stablizer Q6, and voltage-stablizer Q6 input is connected with the secondary coil of transformer, voltage-stablizer Q6 output end output 2.5V burning voltages, the constant voltage circuit, constant-current circuit are completed using comparator, normal phase input end and the voltage-stablizer Q6 of comparator Input be connected, the output end of constant voltage circuit connection 56V voltages.
- 6. low frequency high-speed charger control circuit according to claim 1, it is characterised in that：Main control chip output square wave Frequency is 300HZ, dutycycle 0%--50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610385654.XA CN105896697B (en) | 2016-06-03 | 2016-06-03 | A kind of low frequency high-speed charger control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610385654.XA CN105896697B (en) | 2016-06-03 | 2016-06-03 | A kind of low frequency high-speed charger control circuit |
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| Publication Number | Publication Date |
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| CN105896697A CN105896697A (en) | 2016-08-24 |
| CN105896697B true CN105896697B (en) | 2018-03-23 |
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| CN201610385654.XA Expired - Fee Related CN105896697B (en) | 2016-06-03 | 2016-06-03 | A kind of low frequency high-speed charger control circuit |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199352B (en) * | 2018-01-05 | 2019-11-26 | 歌尔股份有限公司 | Battery protecting method and device |
| CN110061555A (en) * | 2019-05-27 | 2019-07-26 | 深圳市助尔达电子科技有限公司 | Intelligence calibration output charger |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2502442Y (en) * | 2001-07-21 | 2002-07-24 | 常州市拓时电器有限公司 | Fast charger |
| CN201528214U (en) * | 2009-06-02 | 2010-07-14 | 黄明杰 | Intelligent pulse charging circuit |
| CN102931445A (en) * | 2012-11-09 | 2013-02-13 | 杭州奥蒂电控有限公司 | Ultralow-frequency composite-pulse current intelligent digital charging method |
| CN103904746A (en) * | 2014-04-04 | 2014-07-02 | 西北工业大学 | Intelligent quick charger of positive and negative pulse power battery and charging method thereof |
| CN205666667U (en) * | 2016-06-03 | 2016-10-26 | 安徽德忠电子科技有限公司 | High -speed charger control circuit of low frequency |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100426141B1 (en) * | 2001-06-08 | 2004-04-08 | 주식회사 알파트로닉스 | The forward converter type power supply for battery recharge |
-
2016
- 2016-06-03 CN CN201610385654.XA patent/CN105896697B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2502442Y (en) * | 2001-07-21 | 2002-07-24 | 常州市拓时电器有限公司 | Fast charger |
| CN201528214U (en) * | 2009-06-02 | 2010-07-14 | 黄明杰 | Intelligent pulse charging circuit |
| CN102931445A (en) * | 2012-11-09 | 2013-02-13 | 杭州奥蒂电控有限公司 | Ultralow-frequency composite-pulse current intelligent digital charging method |
| CN103904746A (en) * | 2014-04-04 | 2014-07-02 | 西北工业大学 | Intelligent quick charger of positive and negative pulse power battery and charging method thereof |
| CN205666667U (en) * | 2016-06-03 | 2016-10-26 | 安徽德忠电子科技有限公司 | High -speed charger control circuit of low frequency |
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| CN105896697A (en) | 2016-08-24 |
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