CN105429259B - single-phase rectifier charging circuit - Google Patents
single-phase rectifier charging circuit Download PDFInfo
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- CN105429259B CN105429259B CN201510974287.2A CN201510974287A CN105429259B CN 105429259 B CN105429259 B CN 105429259B CN 201510974287 A CN201510974287 A CN 201510974287A CN 105429259 B CN105429259 B CN 105429259B
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- 238000007600 charging Methods 0.000 title claims abstract description 27
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- 239000003990 capacitor Substances 0.000 claims description 13
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- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 230000005622 photoelectricity Effects 0.000 claims 2
- 239000013078 crystal Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 238000005868 electrolysis reaction Methods 0.000 description 1
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Abstract
The invention provides a kind of single-phase rectifier charging circuit, can apply to use the application scenario of three-phase or single-phase AC DC converters as front stage circuits.The single-phase rectifier charging circuit includes rectification unit, judging unit and driver element, wherein：Rectification unit to complete it is soft it is upper electricity and switching process, judging unit to judge whether to meet current-limiting resistance cut off condition, driver element is completing to drive conducting power MOSFET, single-phase rectifier charging circuit of the present invention, with soft upper electricity and rectification function, and the advantages that circuit is simple, multiple functional and cost is cheap.
Description
Technical field
The present invention relates to a kind of rectification circuit of single phase alternating current power supply power supply, in particular it relates to which a kind of charged by detecting
The single-phase rectifier charging circuit of current average.
Background technology
AC power energizing power electronics conversion equipment containing diode rectifier circuit, such as frequency-conversion domestic electric appliances or industry are become
Frequency device is, it is necessary to consider soft electric problem.Otherwise because initial electrolysis electric capacity pressure is zero, in power up phase Technics of Power Electronic Conversion device
Over current fault just occurs, causes rear class converter over-voltage breakdown and air switch to act.
In conventional upper electric current limiting measures, the method for increasing current-limiting resistance in AC or DC circuit is mostly used,
Specifically include three kinds of modes：(1) series limiting resistor on DC side or exchange live wire, current limliting when upper electric are sharp when upper electricity terminates rear
Cut off automatically with relay；(2) series connection PTC thermo-sensitive resistors, using its positive temperature characterisitic, current limliting when upper electric, profit after upper electricity terminates
Cut off automatically with relay；(3) connect NTC thermo-sensitive resistors, using its negative temperature characteristic, the current limliting when upper electric, after upper electricity terminates
Retain.The problem of first two method is：Secondary current shock problem is brought when resistance is cut off.The problem of later approach
It is：The application scenario being only suitable for below bearing power 200W.Therefore, for high-power applications occasion, it is necessary to improve on existing
Electric current-limiting method, thoroughly solves the problems, such as power-on impact current.
By the retrieval discovery, Zhang Xiangjun etc. to prior art in " Electric Machines and Control " article in June, 2011,
After two kinds of traditional soft starting circuits are summarized, it is proposed that " a kind of inrush current suppression circuit ", i.e. three-level impact electricity
Flow suppression circuit, one-shot electric current and secondary pulse electric current when the circuit can effectively suppress to start." electric power becomes patent of invention
Changing device " (P2001-238459A), which discloses, a kind of changes that simple diode rectifier bridge is high-end, low side or full-bridge is brilliant lock
The rectifier bridge of pipe, and cause IGCT suitable resistance in parallel and diode branch, it can realize soft upper Electricity Functional, upper electricity for this
Turn on thyristors after end, Trigger Angle zero, plays diode action.
In summary, retrieval to soft electric rectification circuit available circuit structure is found, the current stage also not over
The soft upper electric control scheme of electric charging current in detection, it is still desirable to release new driver element and the soft upper Electricity Functional of being integrated with
Novel rectifying circuit, it is provided simultaneously with the advantages such as simple in construction, multiple functional and cost is cheap.
The content of the invention
For in the prior art the defects of, it is an object of the invention to provide a kind of single-phase rectifier charging circuit, have simultaneously
The advantages that circuit structure is simple, control is easy.
To realize object above, the invention provides single-phase rectifier charging circuit, can apply to use three-phase or single-phase
Application scenario of the AC-DC converter as front stage circuits, including rectification unit, judging unit and driver element, wherein：Rectification list
Member to complete it is soft it is upper electricity and switching process, judging unit to judge whether to meet current-limiting resistance cut off condition, driver element
To complete to drive conducting power MOSFET.
The rectification unit, including four power diode PD1-PD4, a power MOSFET are (containing antiparallel continuous
Flow diode) PS1, a thermo-sensitive resistor PTC1, an electrochemical capacitor EC1, shunt resistance a RS1, a resistance R1, one
An electric capacity C1 and voltage-regulator diode ZD1, wherein, first power diode PD1 negative electrode and the 3rd power diode PD3
Negative electrode be connected after, form DC loop positive pole, and be connected with one end of electrochemical capacitor EC1 positive pole and second electric capacity C2,
After first power diode PD1 anode is connected with second power diode PD2 negative electrode, one with single phase alternating current power supply
End is connected, after the 3rd power diode PD3 anode is connected with the 4th power diode PD4 negative electrode, with single phase ac
The other end of power supply is connected, after second power diode PD2 anode is connected with the 4th power diode PD4 anode,
It is connected with shunt resistance RS1 one end, and is connected with one end of the 7th resistance R7 in judging unit, shunt resistance RS1's is another
One end and power MOSFET PS1 source electrode, thermo-sensitive resistor PTC1 one end, first electric capacity C1 one end, voltage-regulator diode
ZD1 anode, second electric capacity C2 one end are connected, and are connected with one end of the 6th resistance R6 in judging unit, are formed straight
Flow back to road negative pole, first resistance R1 one end in power MOSFET PS1 gate pole and drive circuit, first electric capacity C1
The other end, voltage-regulator diode ZD1 negative electrode are connected, the 5th resistance R5 in first resistance R1 other end and drive circuit
One end, the 4th electric capacity C4 one end, photoelectrical coupler OC1 the 3rd pin are connected.
The judging unit, including two operational amplifier A 1-A2, five electric capacity C5-C9, a d type flip flop DFF1 and
Ten resistance R6-R15；Wherein, the 6th resistance R6 other end and the 6th electric capacity C6 one end, the one of the 9th resistance R9
End, the non-inverting input of first operational amplifier A 1 are connected, the 6th electric capacity C6 other end, the 9th resistance R9 it is another
One end is connected with Power Groud, the 7th resistance R7 other end and the 5th electric capacity C5 one end, the 8th resistance R8 one end,
The inverting input of first operational amplifier A 1 is connected, the 5th electric capacity C5 other end, the 8th resistance R8 other end
Output end, the tenth resistance R10 one end with first operational amplifier A 1 are connected, the tenth resistance R10 other end with
7th electric capacity C7 one end, the 11st resistance R11 one end is connected, the 11st resistance R11 other end and the 8th
Electric capacity C8 one end, the 12nd resistance R12 one end, the inverting input of second operational amplifier A 2 are connected, and the 12nd
The resistance R12 other end is connected with driving power, the non-inverting input and the 13rd electricity of second operational amplifier A 2
Resistance R13 one end, the 14th resistance R14 one end is connected, the 13rd resistance the R13 other end and driving power+15V phases
Even, the 14th resistance R14 one end is connected with Power Groud, the output end of second operational amplifier A 2 and the 15th resistance
R15 one end is connected, the 15th resistance R15 other end and the 9th resistance R9 one end, first d type flip flop DFF1
Clock end is connected, and first d type flip flop DFF1 Q ends are connected with one end of second resistance R2 in drive circuit；
The driver element, including four resistance R2-R5, a photoelectrical coupler OC1, two electric capacity C3-C4 and one
Transistor TR1, wherein, the second resistance R2 other end and the 3rd resistance R3 one end, the 3rd electric capacity C3 one end, crystalline substance
Body pipe TR1 base stage is connected, and transistor TR1 colelctor electrode is connected with photoelectrical coupler OC1 second pin, photoelectrical coupler
OC1 the first pin is connected with+15V driving powers, and photoelectrical coupler OC1 the 4th pin is connected with+15V driving powers, light
First in electric coupler OC1 the 3rd pin and the 4th electric capacity C4 one end, the 5th resistance R5 one end, rectification unit
The resistance R1 other end is connected, the 3rd resistance R3 other end, the 3rd electric capacity C3 the other end, transistor TR1 transmitting
Pole is connected with Power Groud.
In single-phase rectifier charging circuit provided by the invention, judging unit to judge whether to meet current-limiting resistance cut off bar
Part, belong to Key Circuit.When single-phase voltage is 220V, in power up, rectification unit be by electric on thermo-sensitive resistor,
DC loop voltage rises according to approximate exponential law, it is impossible to causes burst current.DC loop voltage be in zero volt-
In the range of 140V, the charging current of rectification unit is larger.In the range of 140-311V of DC loop voltage, direct current component fills
Electric current is still sufficiently large.The DC loop voltage established due to Switching Power Supply is for 140V or so, therefore judging unit and driving
The time that working power+15V in circuit is established is later.Shunt resistance RS1 pressure drop in rectification circuit, it is sent into judging unit.
First operational amplifier A 1 forms difference electric discharge road with peripheral circuit in judging unit, can improve interference rejection ability, output amplification
DC voltage afterwards, by two-stage RC filter circuits thereafter.When DC loop charging voltage is close to single phase alternating current power supply voltage amplitude
During value, second operational amplifier A 2 exports level from low to high with the comparator that peripheral circuit is formed, and forces D types below
Trigger is overturn, and exports high level, and drive circuit is come into force, and is exported high level, is driven the power in rectification unit
MOSFET PS1 are turned on, and so as to short circuit thermo-sensitive resistor, complete soft power up.Hereafter, if load input, shunt resistance RS1
Electric current increase, operational amplifier A 1 export relatively low electricity with peripheral circuit output high voltage, operational amplifier A 2 with peripheral circuit
Pressure, D flip-flop output high level keep constant.Power MOSFET PS1 conducting states and thermo-sensitive resistor PTC1 are removed state
It is constant.
Compared with prior art, the present invention has following beneficial effect：
(1) rectification unit can support the soft upper Electricity Functional of complete cycle ripple, on soft in electricity, when DC voltage is close to net voltage crest
During value, charging current is by high step-down.When judging that charging current is relatively low, judging unit can automatic detection, driver element provide
Power MOSFET driving functions, electric thermo-sensitive resistor on automatic short circuit, the state are not influenceed by load starting；
(2) circuit structure is simple, and control is easy, and cost is cheap.
Brief description of the drawings
The detailed description made by reading with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the circuit theory diagrams of one embodiment of the invention.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
As shown in figure 1, a kind of single-phase rectifier charging circuit, can apply to make using three-phase or Single-phase AC-DC converters
For the application scenario of front stage circuits, including rectification unit 1, judging unit 3 and driver element 2, wherein：Rectification unit is completing
Soft upper electricity and switching process, judging unit is to judge whether to meet that current-limiting resistance cuts off condition, and driver element is completing to drive
Dynamic conducting power MOSFET.
In the present embodiment, the rectification unit, including four power diode PD1-PD4, a power MOSFET (contain
Have antiparallel fly-wheel diode) PS1, a thermo-sensitive resistor PTC1, an electrochemical capacitor EC1, a shunt resistance RS1, one
Resistance R1, an electric capacity C1 and a voltage-regulator diode ZD1, wherein, first power diode PD1 negative electrode and the 3rd
After power diode PD3 negative electrode is connected, form DC loop positive pole, and with electrochemical capacitor EC1 positive pole and second electric capacity
C2 one end is connected, after first power diode PD1 anode is connected with second power diode PD2 negative electrode, with list
One end of cross streams power supply is connected, and the 3rd power diode PD3 anode is connected with the 4th power diode PD4 negative electrode
Afterwards, it is connected with the other end of single phase alternating current power supply, second power diode PD2 anode and the 4th power diode PD4
Anode be connected after, be connected with shunt resistance RS1 one end, and be connected with one end of the 7th resistance R7 in judging unit, point
The leakage resistance RS1 other end and power MOSFET PS1 source electrode, thermo-sensitive resistor PTC1 one end, the one of first electric capacity C1
End, voltage-regulator diode ZD1 anode, second electric capacity C2 one end are connected, and with one of the 6th resistance R6 in judging unit
End is connected, and forms DC loop negative pole, first resistance R1 one end in power MOSFET PS1 gate pole and drive circuit, the
The one electric capacity C1 other end, voltage-regulator diode ZD1 negative electrode is connected, in first resistance R1 other end and drive circuit
Five resistance R5 one end, the 4th electric capacity C4 one end, photoelectrical coupler OC1 the 3rd pin are connected.
The judging unit, including two operational amplifier A 1-A2, five electric capacity C5-C9, a d type flip flop DFF1 and
Ten resistance R6-R15；Wherein, the 6th resistance R6 other end and the 6th electric capacity C6 one end, the one of the 9th resistance R9
End, the non-inverting input of first operational amplifier A 1 are connected, the 6th electric capacity C6 other end, the 9th resistance R9 it is another
One end is connected with Power Groud, the 7th resistance R7 other end and the 5th electric capacity C5 one end, the 8th resistance R8 one end,
The inverting input of first operational amplifier A 1 is connected, the 5th electric capacity C5 other end, the 8th resistance R8 other end
Output end, the tenth resistance R10 one end with first operational amplifier A 1 are connected, the tenth resistance R10 other end with
7th electric capacity C7 one end, the 11st resistance R11 one end is connected, the 11st resistance R11 other end and the 8th
Electric capacity C8 one end, the 12nd resistance R12 one end, the inverting input of second operational amplifier A 2 are connected, and the 12nd
The resistance R12 other end is connected with driving power, the non-inverting input and the 13rd electricity of second operational amplifier A 2
Resistance R13 one end, the 14th resistance R14 one end is connected, the 13rd resistance the R13 other end and driving power+15V phases
Even, the 14th resistance R14 one end is connected with Power Groud, the output end of second operational amplifier A 2 and the 15th resistance
R15 one end is connected, the 15th resistance R15 other end and the 9th resistance R9 one end, first d type flip flop DFF1
Clock end is connected, and first d type flip flop DFF1 Q ends are connected with one end of second resistance R2 in drive circuit；
The driver element, including four resistance R2-R5, a photoelectrical coupler OC1, two electric capacity C3-C4 and one
Transistor TR1, wherein, the second resistance R2 other end and the 3rd resistance R3 one end, the 3rd electric capacity C3 one end, crystalline substance
Body pipe TR1 base stage is connected, and transistor TR1 colelctor electrode is connected with photoelectrical coupler OC1 second pin, photoelectrical coupler
OC1 the first pin is connected with+15V driving powers, and photoelectrical coupler OC1 the 4th pin is connected with+15V driving powers, light
First in electric coupler OC1 the 3rd pin and the 4th electric capacity C4 one end, the 5th resistance R5 one end, rectification unit
The resistance R1 other end is connected, the 3rd resistance R3 other end, the 3rd electric capacity C3 the other end, transistor TR1 transmitting
Pole is connected with Power Groud.
The type selecting of each component in this example：
Power supply：Single phase alternating current power supply 220V, it is adapted to frequency-conversion domestic electric appliances application scenario；
Bearing power：2.5kW
Power diode (PD1-PD4)：600V, 25A/100 DEG C, form diode rectifier bridge；
Electrochemical capacitor (EC1)：400V, 3300 μ F, plug-in unit.Store energy；
Power MOSFET (PS1)：600V, 25A/100 DEG C, to day after short circuit thermo-sensitive resistor PTC1；
Thermo-sensitive resistor (PTC1)：49 Ω/100 DEG C, 10W；
Photoelectrical coupler (OC1)：PC817D, driving power MOSFET PS1；
Transistor (TR1)：9013, driving photoelectrical coupler OC1's is first level led；
D type flip flop：CD4013,74AHC175D, 74LS74, produce high level signal, driving transistor TR1；
Operational amplifier (A1, A2)：LM224 or LM358, form differential amplifier, the core of comparator；
Voltage-regulator diode (ZD1)：Voltage stabilizing value+18V, prevent power MOSFET gate poles from overvoltage occur；
Electric capacity (C2)：100nF, 1200V, filter out high frequency ripple voltage；
Electric capacity (C1, C3, C4)：100nF, 50V, filter capacitor；
Electric capacity (C5, C6, C7, C8, C9)：100nF, 50V, filter capacitor；
Shunt resistance (RS1)：10m Ω, 5W Ω, noninductive resistance, as shunt resistance；
Resistance (R1, R2, R3, R4, R5)：20 Ω, 1k Ω, 10k Ω, 1k Ω, 10k Ω, current limliting or composition RC filter circuits；
Resistance (R6, R7, R8, R9)：10k Ω, 10k Ω, 100k Ω, 100k Ω, the peripheral resistance that difference is put；
Resistance (R10, R11, R12)：10k Ω, 10k Ω, 10k Ω, form RC filter resistances or pull-up+15V；
Resistance (R13, R14, R15)：10k Ω, 10k Ω, 1k Ω, partial pressure or composition RC filter circuits；
Entirely circuit specific work process is：
In rectification unit, when single phase alternating current power supply (220V) is connected, it is made up of power diode PD1-PD4
For rectifier bridge to electrochemical capacitor EC1 rectification chargings, electrochemical capacitor EC1 first and thermo-sensitive resistor PTC1 forms capacitance-resistance charging paths, electricity
Solution electric capacity EC1 voltage slowly rises, and caused net survey electric current is smaller, is unlikely to cause fault.With electrochemical capacitor EC1
Voltage rise, during substantially 140V, the Switching Power Supply of whole circuit starts starting of oscillation, there is provided+15V and -15V driving powers and work
Power supply.When electrochemical capacitor EC1 voltage rises close to net voltage crest value, shunt resistance RS1 charging current (direct current is flowed through
Stream) reduce, the average value of charging current is accordingly reduced.
In judging unit, filtering differential amplifier is by first operational amplifier A 1 and its peripheral circuit (including resistance
R6-R9, electric capacity C5-C6) form, after the charging current for flowing through shunt resistance RS1 is detected, filtering differential amplifier output
Amplification and filtered charging current, Order RC filter circuit (including resistance R10-R11, electric capacity C7-C8) obtains after feeding
Charging current average value, it is re-fed into the comparator of rear class.Comparator by second operational amplifier A 2 and its peripheral circuit (including
Resistance R12-R15, electric capacity C9) form.Reference value is derived from the 14th resistance R14 and the 15th resistance R15 partial pressure, by
15th resistance R15 outputs.If charging current average value is less than reference value, comparator output high level voltage is on the contrary
Export low level voltage.When comparator exports high level, a rising edge, first d type flip flop DFF1 Q ends output are produced
High level.If occurring low level, high level or trailing edge thereafter, Q ends only export high level.Tenth resistance R10 and the 7th
Electric capacity C7 composition single order RC filter circuits, the 11st resistance R11 and the 8th electric capacity C8 composition single order RC filter circuit, the tenth
Five resistance R15 and the 9th electric capacity C9 form single order RC filter circuits.
In the driving unit, when second resistance R2 putting high level voltage, transistor TR1 conductings, photoelectrical coupler
OC1 primary side LEDs ON, photoelectrical coupler OC1 secondary phototriode conducting, the 3rd of photoelectrical coupler OC1 the
Pin output+15V driving voltages, it is sent into rectification unit.
In rectification unit, when power MOSFET PS1 gate pole receiving+15V driving voltages, power MOSFET PS1
Conducting, short circuit thermo-sensitive resistor PTC1, rectification unit enter normal rectification state.
The present invention can realize controllable soft upper electricity, have circuit structure simple, few using number of devices, simplify circuit design
The advantages of with cost is reduced.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (4)
1. a kind of single-phase rectifier charging circuit, including rectification unit, judging unit and driver element, wherein：Rectification unit to
Soft upper electricity and switching process are completed, judging unit is to judge whether to meet that current-limiting resistance cuts off condition, and driver element is to complete
Into driving conducting power MOSFET；
The rectification unit, including four power diode PD1-PD4, power MOSFET PS1, a thermo-sensitive resistor
PTC1, an electrochemical capacitor EC1, shunt resistance a RS1, first resistance R1, first electric capacity C1 and the pole of voltage stabilizing two
Pipe ZD1；
The judging unit, including two operational amplifier A 1-A2, five electric capacity C5-C9, a d type flip flop DFF1 and ten
Resistance R6-R15；
The driver element, including four resistance R2-R5, a photoelectrical coupler OC1, two electric capacity C3-C4 and a crystal
Pipe TR1；
In the rectification unit：First power diode PD1 negative electrode is connected with the 3rd power diode PD3 negative electrode
Afterwards, DC loop positive pole is formed, and is connected with one end of electrochemical capacitor EC1 positive pole and second electric capacity C2, first power
After diode PD1 anode is connected with second power diode PD2 negative electrode, it is connected with one end of single phase alternating current power supply, the
It is another with single phase alternating current power supply after three power diode PD3 anode is connected with the 4th power diode PD4 negative electrode
End is connected, after second power diode PD2 anode is connected with the 4th power diode PD4 anode, with shunt resistance
RS1 one end is connected, and is connected with one end of the 7th resistance R7 in judging unit, shunt resistance the RS1 other end and power
MOSFET PS1 source electrode, thermo-sensitive resistor PTC1 one end, first electric capacity C1 one end, voltage-regulator diode ZD1 anode,
Two electric capacity C2 one end is connected, and is connected with one end of the 6th resistance R6 in judging unit, forms DC loop negative pole, work(
First resistance R1 one end in rate MOSFET PS1 gate pole and drive circuit, the first electric capacity C1 other end, voltage stabilizing two
Pole pipe ZD1 negative electrode is connected, the 5th resistance R5 one end, the 4th electricity in first resistance R1 other end and drive circuit
Hold C4 one end, photoelectrical coupler OC1 the 3rd pin is connected；
In the judging unit：The 6th resistance R6 other end and the 6th electric capacity C6 one end, the one of the 9th resistance R9
End, the non-inverting input of first operational amplifier A 1 are connected, the 6th electric capacity C6 other end, the 9th resistance R9 it is another
One end is connected with Power Groud, the 7th resistance R7 other end and the 5th electric capacity C5 one end, the 8th resistance R8 one end,
The inverting input of first operational amplifier A 1 is connected, the 5th electric capacity C5 other end, the 8th resistance R8 other end
Output end, the tenth resistance R10 one end with first operational amplifier A 1 are connected, the tenth resistance R10 other end with
7th electric capacity C7 one end, the 11st resistance R11 one end is connected, the 11st resistance R11 other end and the 8th
Electric capacity C8 one end, the 12nd resistance R12 one end, the inverting input of second operational amplifier A 2 are connected, and the 12nd
The resistance R12 other end is connected with driving power, the non-inverting input and the 13rd electricity of second operational amplifier A 2
Resistance R13 one end, the 14th resistance R14 one end is connected, and the 13rd resistance R13 other end is connected with driving power,
14th resistance R14 one end is connected with Power Groud, the output end of second operational amplifier A 2 and the 15th resistance R15
One end be connected, the 15th resistance R15 other end and the 9th resistance R9 one end, first d type flip flop DFF1 when
Clock end is connected, and first d type flip flop DFF1 Q ends are connected with one end of second resistance R2 in drive circuit；
In the driver element：The second resistance R2 other end and the 3rd resistance R3 one end, the one of the 3rd electric capacity C3
End, transistor TR1 base stage are connected, and transistor TR1 colelctor electrode is connected with photoelectrical coupler OC1 second pin, photoelectricity coupling
Clutch OC1 the first pin is connected with driving power, and photoelectrical coupler OC1 the 4th pin is connected with driving power, photoelectricity coupling
First resistance in clutch OC1 the 3rd pin and the 4th electric capacity C4 one end, the 5th resistance R5 one end, rectification unit
The R1 other end is connected, the 3rd resistance R3 other end, the 3rd electric capacity C3 other end, transistor TR1 emitter stage with
Power Groud is connected.
2. single-phase rectifier charging circuit according to claim 1, it is characterised in that：The power MOSFET PS1, contain
Antiparallel fly-wheel diode.
3. single-phase rectifier charging circuit according to claim 1, it is characterised in that：The 13rd resistance R13 other end
It is connected with driving power+15V.
4. single-phase rectifier charging circuit according to claim 1, it is characterised in that：Photoelectrical coupler OC1 the first pin
It is connected with+15V driving powers, photoelectrical coupler OC1 the 4th pin is connected with+15V driving powers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510974287.2A CN105429259B (en) | 2015-12-22 | 2015-12-22 | single-phase rectifier charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510974287.2A CN105429259B (en) | 2015-12-22 | 2015-12-22 | single-phase rectifier charging circuit |
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| Publication Number | Publication Date |
|---|---|
| CN105429259A CN105429259A (en) | 2016-03-23 |
| CN105429259B true CN105429259B (en) | 2017-12-15 |
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| CN201510974287.2A Expired - Fee Related CN105429259B (en) | 2015-12-22 | 2015-12-22 | single-phase rectifier charging circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108964450B (en) * | 2018-06-01 | 2019-12-27 | 上海交通大学 | Composite circuit for connecting DC power supply to AC power supply |
| CN112510652B (en) * | 2020-07-31 | 2023-02-03 | 佛山市顺德区冠宇达电源有限公司 | Battery charging circuit, charging device and electronic device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009031673A1 (en) * | 2007-09-06 | 2009-03-12 | Ricoh Company, Ltd. | Charge control circuit |
| CN101656482A (en) * | 2009-09-04 | 2010-02-24 | 上海交通大学 | Three-phase rectifier electrifying device |
| CN202190112U (en) * | 2011-07-26 | 2012-04-11 | 鸿富锦精密工业（深圳）有限公司 | Charging device |
| CN103117651A (en) * | 2013-02-06 | 2013-05-22 | 上海儒竞电子科技有限公司 | Thermistor-based three-phase rectifier soft power on circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8274803B2 (en) * | 2009-01-09 | 2012-09-25 | Yaskawa America, Inc. | Low stress soft charge circuit for diode front end variable frequency drive |
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2015
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009031673A1 (en) * | 2007-09-06 | 2009-03-12 | Ricoh Company, Ltd. | Charge control circuit |
| CN101656482A (en) * | 2009-09-04 | 2010-02-24 | 上海交通大学 | Three-phase rectifier electrifying device |
| CN202190112U (en) * | 2011-07-26 | 2012-04-11 | 鸿富锦精密工业（深圳）有限公司 | Charging device |
| CN103117651A (en) * | 2013-02-06 | 2013-05-22 | 上海儒竞电子科技有限公司 | Thermistor-based three-phase rectifier soft power on circuit |
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| CN105429259A (en) | 2016-03-23 |
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