CN103354426B - AC-DC changes insulating power supply circuit - Google Patents
AC-DC changes insulating power supply circuit Download PDFInfo
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- CN103354426B CN103354426B CN201310094222.XA CN201310094222A CN103354426B CN 103354426 B CN103354426 B CN 103354426B CN 201310094222 A CN201310094222 A CN 201310094222A CN 103354426 B CN103354426 B CN 103354426B
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Abstract
The AC DC that the present invention relates to a kind of high-efficiency environment friendly changes insulating power supply circuit.The present invention can solve prior art and exist resource requirement higher, unfavorable to environmental protection, the problem that efficiency is the highest, its drip irrigation device is, the AC DC of a kind of high-efficiency environment friendly changes insulating power supply circuit, including input port and delivery outlet, input port is connected with AC power supplies, delivery outlet output unidirectional current, also include the positive transforming circuit using discharge and recharge form transformation, use the pressure swing circuit of discharge and recharge form transformation, just triggering circuit, negative triggering circuit, just turning on on-off circuit, negative conducting on-off circuit, positive filter circuit and negative filter circuit, high-efficiency environment friendly of the present invention.The present invention is without solenoid transformation, and production cost is relatively low, and taking up room less does not have electromagnetic pollution, the most there is not the loss of solenoid, uses optocoupler to make to isolate the most effective, has that cost is relatively low, drives that power is big, the substantial effect of high-efficiency environment friendly.
Description
Technical field
The present invention relates to a kind of power circuit, be specifically related to a kind of AC-DC and change insulating power supply circuit.
Background technology
The input AC electricity of AC power supplies, it is simply that alternating current power supply, typically all 220V, general resident
The input AC electricity of the 220V being all introduced in Jia, but the most a lot of electrical equipment is required for using direct current
Electricity, and it is also required to bigger electric current, it is the most common for therefore developing a kind of power circuit handing over straight conversion
, the most at present, hand over that transforming portion in straight translation circuit uses is all to need to use solenoid to enter
Row transformation, but have problems with if using solenoid transformation: first, solenoid transformation
Need higher production cost, need to take bigger space；Secondly, solenoid transformation meeting is used
There is certain electromagnetic pollution, finally, use solenoid transformation also to have bigger loss.These are asked
Topic all needs us research to overcome.
Chinese patent notification number: CN202310207U, publication date on July 14th, 2012, discloses
A kind of supply convertor, by parallel with mutual capacitance again after three brachium pontis parallel connections；And at the first brachium pontis and
Civil power input and inductance it is in series with, in the second brachium pontis and the 3rd brachium pontis between the midpoint of the second brachium pontis
Being in series with the former limit of transformator between point, the negative side of transformator is connected with DC output circuit；First bridge
Arm, the second brachium pontis, the end that controls of the 3rd brachium pontis are all connected with the control signal of control circuit；Wherein should
The zero passage voltage detection result that control circuit inputs according to civil power optionally controls the first brachium pontis and second
The conducting of the switching tube that brachium pontis is corresponding is to carry out Active PFC, and this control circuit also detects load
Working status parameter optionally controls the conducting of the switching tube of the 3rd brachium pontis to export to transformer secondary
Energy thus by this DC output circuit export direct current.This technical scheme exists as former technical scheme
Problem once: first, solenoid transformation needs higher production cost, needs to take bigger sky
Between；Secondly, use solenoid transformation to have certain electromagnetic pollution, finally, use solenoid
Transformation also has bigger loss.
Summary of the invention
It is an object of the invention to solve prior art exists the production that solenoid transformation needs are higher
Cost, needs to take bigger space, uses solenoid transformation to have certain electromagnetic pollution, adopts
The problem also having bigger loss by solenoid transformation, it is provided that a kind of AC-DC changes insulating power supply
Circuit.
The technical solution adopted for the present invention to solve the technical problems is: a kind of AC-DC conversion isolation electricity
Source circuit, including input port and delivery outlet, input port is connected with AC power supplies, delivery outlet output direct current
Electricity, also includes using the positive transforming circuit of discharge and recharge form transformation, using the negative of discharge and recharge form transformation
Transforming circuit, just trigger circuit, negative trigger circuit, just turn on on-off circuit, negative conducting on-off circuit,
Positive filter circuit and negative filter circuit, the positive input terminal of described positive transforming circuit is connected with input port phase line,
The negative input end of described positive transforming circuit is connected with the input port neutral conductor, described positive transforming circuit the most defeated
Go out end to be connected with the positive input terminal just turning on on-off circuit, the negative output terminal of described positive transforming circuit and just
The negative input end of conducting on-off circuit connects, and is just turning on positive output end and the delivery outlet positive pole of on-off circuit
Connecting, the negative output terminal just turning on on-off circuit is connected with delivery outlet negative pole, described positive filter circuit one
End be connected with the negative output terminal just turning on on-off circuit, the described positive filter circuit other end with just turn on out
The positive output end closing circuit connects, and the described positive input terminal just triggering circuit is connected with the input port neutral conductor,
The negative input end just triggering circuit is connected with input port phase line, the described negative output terminal just triggering circuit with
The negative output terminal of positive transforming circuit connects, and is just triggering the positive output end of circuit and is just turning on on-off circuit
Controlling end to connect, the positive input terminal of described pressure swing circuit is connected with input port phase line, described pressure swing
The negative input end of circuit is connected with the input port neutral conductor, and the positive output end of described pressure swing circuit is led with negative
The positive input terminal of logical on-off circuit connects, the negative output terminal of described pressure swing circuit and negative conducting switch electricity
The negative input end on road connects, and the positive output end of negative conducting on-off circuit is connected with the negative pole of delivery outlet, negative
The negative output terminal of conducting on-off circuit is connected with the positive pole of delivery outlet, and described negative filter circuit one end is with negative
The negative output terminal of conducting on-off circuit connects, the described negative filter circuit other end and negative conducting on-off circuit
Positive output end connect, the negative input end of described negative triggering circuit is connected with the input port neutral conductor, the most tactile
The positive input terminal of Power Generation Road is connected with input port phase line, and the negative output terminal of described negative triggering circuit becomes with negative
The negative output terminal of volt circuit connects, the negative positive output end triggering circuit and the control of negative conducting on-off circuit
End connects.The positive transforming circuit of the present invention charges at the positive half cycle of alternating current, and negative half period discharges, the present invention
In just triggering circuit trigger at negative half period, so negative conducting on-off circuit is led when alternating current negative half period
Logical；Pressure swing circuit charges at alternating current negative half period, and positive half cycle discharges, the negative triggering electricity in the present invention
Lu Zheng half cycle triggers, and turns on so just turning on on-off circuit when the positive half cycle of alternating current；In the present invention
Transforming circuit to alternating current inlet wire power transformation, trigger tactile always according to voltages different in the cycle of alternating current
Power Generation Road, triggers circuit and controls the conducting switch of conducting on-off circuit, and the current filtering that transformation is good is defeated
Go out.
As preferably, positive transforming circuit includes diode D1, the negative electrode that anode is connected with input port phase line
The diode D14 that is connected with the input port neutral conductor and just filling can circuit, described just filling can circuit include to
Few two series connection just fill can electric capacity, quantity be just filling can the positive booster diode of electric capacity twice, every two
Just filling of individual series connection can be provided with a diode the most anti-reverse, the sun of the most anti-reverse diode between electric capacity
Pole is connected with the negative electrode just filling energy electric capacity, the negative electrode of the most anti-reverse diode and the anode just filling energy electric capacity
Connecting, the described first anode of energy electric capacity that just filling connected in energy circuit that just filling is as just filling energy circuit
Input is connected with the negative electrode of diode D1, and described last connected in energy circuit of just filling just is filling energy
The negative electrode of electric capacity can be connected with the anode of diode D14 by the outfan of circuit as just filling, and each just fills
Can anode all anodes with a positive booster diode of electric capacity be connected, all anodes and just filling energy electric capacity
The negative electrode of the positive booster diode connected all is connected, often with the described positive input terminal just turning on on-off circuit
Individual just filling can negative electrode all negative electrodes with a positive booster diode of electric capacity be connected, all negative electrodes with just fill
The anode of the positive booster diode that energy electric capacity connects all just is turning on the negative input end of on-off circuit even with described
Connect.Positive transforming circuit in the present invention so connects, and the positive half cycle at alternating current is charge mode, just
Filling energy circuit turn-on, the most just filling electric capacity to be the capacitive form connected, and is just turning on on-off circuit
It is not turned on, so, appearance of just charging serial connection charge, the negative half period of alternating current is discharge mode, now,
The most anti-reverse diode is not turned on, and diode D1 is not turned on, and all of just filling can be carried out in electric capacity parallel connection
Electric discharge, output voltage is equal to input voltage divided by the value just filling energy electric capacity number.
As preferably, described positive transforming circuit include diode D1, diode D2, diode D3,
Diode D4, diode D5, diode D7, diode D8, diode D9, diode D10,
Diode D11, diode D12, diode D13, diode D14 and electric capacity C2, electric capacity
C3, electric capacity C4 and electric capacity C5, the anode of described diode D1 is connected with the positive pole of described input port,
The negative electrode of diode D1 is connected with the anode of diode D2, the anode of diode D2 also with electric capacity C2
Anode connect, the negative electrode of electric capacity C2 is connected with the negative electrode of diode D7, the anode of diode D3
The also anode with electric capacity C3 is connected, and the negative electrode of electric capacity C3 is connected with the negative electrode of diode D8, two poles
The anode of pipe D4 also anode with electric capacity C4 is connected, the moon of the negative electrode of electric capacity C4 and diode D9
Pole connects, and the anode of diode D5 also anode with electric capacity C5 is connected, the negative electrode of electric capacity C5 and two
The negative electrode of pole pipe D10 connects, the negative electrode of diode D2, the negative electrode of diode D3 and diode D4
Negative electrode all negative electrodes with diode D5 be connected, the anode of diode D7, the anode of diode D8
All anodes with diode D10 are connected with the anode of diode D9, the anode of diode D11 and electricity
The negative electrode holding C2 connects, and the negative electrode of diode D11 is connected with the anode of electric capacity C3, diode D12
Anode be connected with the negative electrode of electric capacity C3, the negative electrode of diode D12 is connected with the anode of electric capacity C4,
The anode of diode D13 is connected with the negative electrode of electric capacity C4, the negative electrode of diode D13 and electric capacity C5
Anode connect, the anode of diode D14 is connected with the negative electrode of electric capacity C5, the moon of diode D14
Pole is connected with the neutral conductor of input port.Positive transforming circuit in the present invention so connects, at alternating current
Positive half cycle is charge mode, diode D11, diode D12, diode D13 and diode D14
Conducting, now four electric capacity is the form of series capacitance, and is just turning on on-off circuit and be not turned on, institute
With, four capacitances in series chargings, the negative half period of alternating current is discharge mode, now, diode D11,
Diode D12, diode D13 and diode D14 are not turned on, and diode D1 is not turned on, and four
Individual electric capacity parallel connection is discharged, and output voltage becomes 55V.
As preferably, the described circuit that just triggers includes controlling the electric capacity C1 of trigger voltage, diode
D6 and opto-coupler chip IC1, the negative input end of opto-coupler chip IC1 passes through diode D6 and electric capacity C1
Being connected with the phase line of input port, the positive input terminal of opto-coupler chip IC1 is connected with the neutral conductor of input port,
The positive output end of opto-coupler chip IC1 is connected with the positive input terminal just turning on on-off circuit, opto-coupler chip IC1
The negative output terminal of negative output terminal and positive transforming circuit.So arrange, just triggering circuit and serving triggering
The effect controlled, be there has also been buffer action simultaneously, can be played by the numerical value of adjustment electric capacity C1 simultaneously
Include the effect controlling trigger voltage.
As preferably, described just conducting on-off circuit include resistance R1, resistance R2, resistance R3,
Resistance R4, resistance R6, resistance R7, electric capacity C6, diode D15, audion Q1, audion
First end of Q2 and IGCT Q3, resistance R1 is connected with the positive output end of opto-coupler chip IC1, resistance
Second end of R1 is connected by the base stage of resistance R2 and audion Q1, the emitter stage of audion Q1 and
The negative electrode of diode D5 connects, and is connected by resistance R3 between the emitter stage of audion Q1 and base stage,
The colelctor electrode of audion Q1 is connected with the base stage of audion Q2, the colelctor electrode of audion Q2 and three poles
The emitter stage of pipe Q1 connects, and the emitter stage of audion Q2 is connected with the anode of diode D15, two poles
The negative electrode of pipe D15 is connected with the positive pole of delivery outlet, the base stage of audion Q2 and audion Q2 colelctor electrode
Between connected by resistance R4, the colelctor electrode of audion Q2 is by resistance R6 and IGCT Q3
Controlling pole to connect, the negative electrode of IGCT Q3 is connected with the anode of diode D10, the moon of audion Q3
It is connected between pole and the control pole of audion Q3 and has resistance R7, the anode of audion Q3 and delivery outlet
Negative pole connect, described electric capacity C6 is in parallel with resistance R2.Electric capacity C6 and resistance R2 in the present invention
Parallel connection, serves the effect of filtering, the present invention by control the conducting of trigger triode and IGCT with
Opening and closing, is controlled for electric discharge, reaches to turn on the effect of on-off circuit.
As preferably, pressure swing circuit includes diode D16, the sun that negative electrode is connected with input port phase line
Diode D28 that pole is connected with the input port neutral conductor and negative fill can circuit, described negative filling can include by circuit
At least two series connection negative fill can electric capacity, quantity be negative fill can the negative booster diode of electric capacity twice, often
Negative the filling of two series connection can be provided with a negative anti-reverse diode between electric capacity, negative anti-reverse diode
Anode is connected with bearing the negative electrode filling energy electric capacity, the negative electrode of negative anti-reverse diode and the negative sun filling energy electric capacity
Pole connection, the described negative first negative negative electrode filling energy electric capacity connected in energy circuit that fills fills energy circuit as negative
Input be connected with the anode of diode D16, described negative filling can series connection last be born in circuit
The anode filling energy electric capacity can be connected with the negative electrode of diode D28 by the outfan of circuit as negative filling, each
Negative filling can anode all anodes with a negative booster diode of electric capacity be connected, all anodes and bear and fill energy
The negative electrode of the negative booster diode that electric capacity connects all with the positive input terminal of described negative conducting on-off circuit company
Connecing, each negative filling can negative electrode all negative electrodes with a negative booster diode of electric capacity be connected, all negative electrodes
Can the anode of negative booster diode that is connected of electric capacity all negative defeated with described negative conducting on-off circuit with negative filling
Enter end to connect.As mirror image circuit, pressure swing circuit plays and discharges at the positive half cycle of alternating current, negative half period
The effect of charging.Remaining principle is identical with positive transforming circuit, parallel discharge when being also electric discharge, during charging,
Serial connection charge.
As preferably, described pressure swing circuit includes diode D16, diode D17, diode
D18, diode D19, diode D20, diode D21, diode D22, diode D23,
Diode D24, diode D25, diode D26, diode D27, diode D28 and electricity
Holding C9, electric capacity C10, electric capacity C11 and electric capacity C12, the negative electrode of described diode D16 is defeated with described
The positive pole of entrance connects, and the anode of diode D16 is connected with the negative electrode of diode D17, diode
The negative electrode of D17 also negative electrode with electric capacity C9 is connected, the anode of the anode of electric capacity C9 and diode D21
Connecting, the negative electrode of diode D18 also negative electrode with electric capacity C10 is connected, the anode of electric capacity C10 and two
The anode of pole pipe D22 connects, and the negative electrode of diode D19 also negative electrode with electric capacity C11 is connected, electric capacity
The anode of C11 is connected with the anode of diode D23, and the negative electrode of diode D20 is also with electric capacity C12's
Negative electrode connects, and the anode of electric capacity C12 is connected with the anode of diode D24, the anode of diode D17,
The anode of diode D18 and the anode of diode D19 all anodes with diode D20 are connected, two poles
The negative electrode of the negative electrode of pipe D21, the negative electrode of diode D22 and diode D23 all with diode D24
Negative electrode connect, the negative electrode of diode D25 is connected with the anode of electric capacity C9, the sun of diode D25
Pole is connected with the negative electrode of electric capacity C10, and the negative electrode of diode D26 is connected with the anode of electric capacity C10, and two
The anode of pole pipe D276 is connected with the negative electrode of electric capacity C11, the negative electrode of diode D27 and electric capacity C11
Anode connect, the anode of diode D27 is connected with the negative electrode of electric capacity C12, the moon of diode D28
Pole is connected with the anode of electric capacity C12, and the anode of diode D28 is connected with the neutral conductor of input port.Make
For mirror image circuit, pressure swing circuit plays and discharges at the positive half cycle of alternating current, the effect of negative half period charging.
Remaining principle is identical with positive transforming circuit, parallel discharge when being also electric discharge, during charging, and serial connection charge.
Concrete pressure-variable is 55V.
As preferably, described negative triggering circuit includes controlling the electric capacity C8 of trigger voltage, diode
D29 and opto-coupler chip IC2, the positive input terminal of opto-coupler chip IC2 passes through diode D29 and electric capacity
C8 is connected with the phase line of input port, and the negative input end of opto-coupler chip IC2 is connected with the neutral conductor of input port,
The positive output end of opto-coupler chip IC2 is connected with the positive input terminal of negative conducting on-off circuit, opto-coupler chip IC2
The negative output terminal of negative output terminal and pressure swing circuit.
As preferably, described negative conducting on-off circuit include resistance R8, resistance R9, resistance R10,
Resistance R11, resistance R12, resistance R13, electric capacity C13, diode D30, audion Q4, three
First end of pole pipe Q5 and IGCT Q6, resistance R8 is connected with the positive output end of opto-coupler chip IC2,
Second end of resistance R8 is connected by the base stage of resistance R9 and audion Q4, the collection of audion Q4
Electrode is connected with the negative electrode of diode D24, passes through resistance between colelctor electrode and the base stage of audion Q4
R10 connects, and the emitter stage of audion Q4 is connected with the base stage of audion Q5, the collection of audion Q5
Electrode is connected with the colelctor electrode of audion Q4, the emitter stage of audion Q5 and the anode of diode D30
Connecting, the negative electrode of diode D30 is connected with the positive pole of delivery outlet, the base stage of audion Q5 and three poles
Being connected by resistance R11 between pipe Q5 emitter stage, the emitter stage of audion Q5 passes through resistance R12
Being connected with the control pole of IGCT Q6, the negative electrode of IGCT Q6 is connected with the anode of diode D20,
It is connected between the negative electrode of audion Q6 and the control pole of audion Q3 and has resistance R13, audion Q6
Anode be connected with the negative pole of delivery outlet, described electric capacity C13 is in parallel with resistance R9.
As preferably, described negative energy electric capacity quantitative value of filling is identical with described energy electric capacity quantitative value of just filling, institute
State negative fill can the capacitance of electric capacity identical with the capacitance just filling energy electric capacity.So arrange and ensure that just half
Week is identical with the electric current of negative half period.
The invention has the beneficial effects as follows: the positive transforming circuit of the present invention charges at the positive half cycle of alternating current, negative
Half cycle discharges, and the just triggering circuit in the present invention triggers at negative half period, so negative conducting on-off circuit exists
Turn on during alternating current negative half period；Pressure swing circuit charges at alternating current negative half period, and positive half cycle discharges, this
Negative triggering circuit in invention triggers at positive half cycle, so just turning on on-off circuit at the positive half cycle of alternating current
Time conducting；Transforming circuit in the present invention is to alternating current inlet wire power transformation, always according in the cycle of alternating current
Different voltage triggering circuit, trigger circuit and control the conducting switch of conducting on-off circuit, will become
The current filtering output pressed.The present invention is without solenoid transformation, and production cost is relatively low, takies sky
Between less do not have electromagnetic pollution, the most there is not the loss of solenoid, use optocoupler to make to isolate yet
More effective, have that cost is relatively low, drive that power is big, the substantial effect of high-efficiency environment friendly.
Accompanying drawing explanation
Fig. 1 is a kind of circuit theory diagrams of the present invention.
Detailed description of the invention
Below by specific embodiment, and combine accompanying drawing, technical scheme is made further
Illustrate.
Embodiment:
AC-DC conversion insulating power supply circuit (seeing accompanying drawing 1), a kind of AC-DC change insulating power supply
Circuit, including input port and delivery outlet, input port is connected with AC power supplies, delivery outlet output unidirectional current,
It is characterized in that: also include using the positive transforming circuit of discharge and recharge form transformation, use discharge and recharge form
The pressure swing circuit of transformation, just trigger circuit, negative trigger circuit, just turn on on-off circuit, negative conducting
On-off circuit, positive filter circuit and negative filter circuit, the positive input terminal of positive transforming circuit and input port phase
Line connects, and the negative input end of positive transforming circuit is connected with the input port neutral conductor, positive transforming circuit the most defeated
Go out end be connected with the positive input terminal just turning on on-off circuit, the negative output terminal of positive transforming circuit with just turn on
The negative input end of on-off circuit connects, and the positive output end just turning on on-off circuit is connected with delivery outlet positive pole,
The negative output terminal just turning on on-off circuit is connected with delivery outlet negative pole, positive filter circuit one end with just turn on
The negative output terminal of on-off circuit connects, the positive filter circuit other end and the positive output just turning on on-off circuit
End connects, and the positive input terminal just triggering circuit is connected with the input port neutral conductor, is just triggering the negative defeated of circuit
Enter end to be connected with input port phase line, just trigger the negative output terminal of circuit and the negative output terminal of positive transforming circuit
Connecting, the positive output end just triggering circuit is connected with the control end just turning on on-off circuit, pressure swing electricity
The positive input terminal on road is connected with input port phase line, the negative input end of pressure swing circuit and the input port neutral conductor
Connecting, the positive output end of pressure swing circuit is connected with the positive input terminal of negative conducting on-off circuit, pressure swing
The negative output terminal of circuit is connected with the negative input end of negative conducting on-off circuit, and negative conducting on-off circuit is just
Outfan is connected with the positive pole of delivery outlet, the negative output terminal of negative conducting on-off circuit and the negative pole of delivery outlet
Connecting, negative filter circuit one end is connected with the negative output terminal of negative conducting on-off circuit, and negative filter circuit is another
One end is connected with the positive output end of negative conducting on-off circuit, the negative negative input end triggering circuit and input port
The neutral conductor connects, and the positive input terminal just triggering circuit is connected with input port phase line, bearing of negative triggering circuit
Outfan is connected with the negative output terminal of pressure swing circuit, and the negative positive output end triggering circuit is opened with negative conducting
The control end closing circuit connects.Positive transforming circuit includes the diode that anode is connected with input port phase line
Diode D14 that D1, negative electrode are connected with the input port neutral conductor and just filling can circuit, just filling can circuit bag
Include at least two series connection just fill can electric capacity, quantity be just filling can the positive booster diode of electric capacity twice,
Just filling of each two series connection can be provided with a diode the most anti-reverse, the most anti-reverse diode between electric capacity
Anode can the negative electrode of electric capacity be connected with just filling, the negative electrode of the most anti-reverse diode with just filling energy electric capacity
Anode connects, and is just filling the first anode of energy electric capacity that just filling connected in energy circuit as just filling energy circuit
Input is connected with the negative electrode of diode D1, is just filling last connected in energy circuit and is just filling energy electric capacity
Negative electrode can be connected with the anode of diode D14 by the outfan of circuit as just filling, it is each that just to fill energy electric
The anode held all anodes with a positive booster diode are connected, and all anodes are connected with just filling energy electric capacity
The negative electrode of positive booster diode be all connected with the positive input terminal just turning on on-off circuit, each just filling energy
The negative electrode of electric capacity all negative electrodes with a positive booster diode are connected, all negative electrodes with just filling can electric capacity even
The anode of the positive booster diode connect all is connected with the negative input end just turning on on-off circuit.Pressure swing electricity
Road includes that diode D16, anode that negative electrode is connected with input port phase line are connected with the input port neutral conductor
Diode D28 and negative fill can circuit, negative fill can circuit include that at least two connect negative fill energy electric capacity,
Quantity is the negative negative booster diode filling energy electric capacity twice, and negative the filling of each two series connection can set between electric capacity
A negative anti-reverse diode, the anode of negative anti-reverse diode is had to be connected with the negative negative electrode filling energy electric capacity,
The negative electrode of negative anti-reverse diode is connected with the negative anode filling energy electric capacity, bears and fills the head of series connection in energy circuit
The individual negative negative electrode filling energy electric capacity can be connected with the anode of diode D16 by the input of circuit as negative filling,
The negative negative anode of energy electric capacity that fills of last connected in energy circuit that fills is as the negative outfan filling energy circuit
Be connected with the negative electrode of diode D28, each negative fill can electric capacity anode all with a negative booster diode
Anode connect, all anodes can all be led with bearing by the negative electrode of negative booster diode that is connected of electric capacity with negative filling
The positive input terminal of logical on-off circuit connects, and each negative negative electrode filling energy electric capacity all bears auxiliary two poles with one
The negative electrode of pipe connects, all negative electrodes with negative fill can the anode of negative booster diode that is connected of electric capacity all with bear
The negative input end of conducting on-off circuit connects.
Physical circuit be 220V alternating current transformation be the galvanic circuit of 55V: positive transforming circuit includes
Diode D1, diode D2, diode D3, diode D4, diode D5, diode D7,
Diode D8, diode D9, diode D10, diode D11, diode D12, diode
D13, diode D14 and electric capacity C2, electric capacity C3, electric capacity C4 and electric capacity C5, diode D1
Anode be connected with the positive pole of input port, the negative electrode of diode D1 is connected with the anode of diode D2,
The anode of diode D2 also anode with electric capacity C2 is connected, the negative electrode of electric capacity C2 and diode D7
Negative electrode connect, the anode of diode D3 also anode with electric capacity C3 is connected, the negative electrode of electric capacity C3
Being connected with the negative electrode of diode D8, the anode of diode D4 also anode with electric capacity C4 is connected, electricity
The negative electrode holding C4 is connected with the negative electrode of diode D9, and the anode of diode D5 is also with electric capacity C5's
Anode connects, and the negative electrode of electric capacity C5 is connected with the negative electrode of diode D10, the negative electrode of diode D2,
The negative electrode of diode D3 and the negative electrode of diode D4 all negative electrodes with diode D5 are connected, diode
The anode of the anode of D7, the anode of diode D8 and diode D9 all with the anode of diode D10
Connecting, the anode of diode D11 is connected with the negative electrode of electric capacity C2, the negative electrode of diode D11 and electricity
The anode holding C3 connects, and the anode of diode D12 is connected with the negative electrode of electric capacity C3, diode D12
Negative electrode be connected with the anode of electric capacity C4, the anode of diode D13 is connected with the negative electrode of electric capacity C4,
The negative electrode of diode D13 is connected with the anode of electric capacity C5, the anode of diode D14 and electric capacity C5
Negative electrode connect, the negative electrode of diode D14 is connected with the neutral conductor of input port.Just triggering circuit to include
Control the negative of the electric capacity C1 of trigger voltage, diode D6 and opto-coupler chip IC1, opto-coupler chip IC1
Input is connected with the phase line of input port by diode D6 and electric capacity C1, opto-coupler chip IC1's
Positive input terminal is connected with the neutral conductor of input port, the positive output end of opto-coupler chip IC1 with just turning on switch
The positive input terminal of circuit connects, and the negative output terminal of opto-coupler chip IC1 is connected with the negative electrode of electric capacity C2.Just
Conducting on-off circuit includes resistance R1, resistance R2, resistance R3, resistance R4, resistance R6, resistance
R7, electric capacity C6, diode D15, audion Q1, audion Q2 and IGCT Q3, resistance R1
The first end be connected with the positive output end of opto-coupler chip IC1, second end of resistance R1 pass through resistance R2
Being connected with the base stage of audion Q1, the emitter stage of audion Q1 is connected with the negative electrode of diode D5,
Be connected by resistance R3 between the emitter stage of audion Q1 and base stage, the colelctor electrode of audion Q1 with
The base stage of audion Q2 connects, and the colelctor electrode of audion Q2 is connected with the emitter stage of audion Q1,
The emitter stage of audion Q2 is connected with the anode of diode D15, the negative electrode of diode D15 and output
The positive pole of mouth connects, between base stage and the audion Q2 colelctor electrode of audion Q2 by resistance R4 even
Connecing, the colelctor electrode of audion Q2 is connected by the control pole of resistance R6 and IGCT Q3, IGCT
The negative electrode of Q3 is connected with the anode of diode D10, the negative electrode of audion Q3 and the control of audion Q3
Connecting between pole processed has resistance R7, the anode of audion Q3 to be connected with the negative pole of delivery outlet, electric capacity C6
In parallel with resistance R2.Pressure swing circuit include diode D16, diode D17, diode D18,
Diode D19, diode D20, diode D21, diode D22, diode D23, two poles
Pipe D24, diode D25, diode D26, diode D27, diode D28 and electric capacity C9,
Electric capacity C10, electric capacity C11 and electric capacity C12, the negative electrode of diode D16 is connected with the positive pole of input port,
The anode of diode D16 is connected with the negative electrode of diode D17, the negative electrode of diode D17 also with electric capacity
The negative electrode of C9 connects, and the anode of electric capacity C9 is connected with the anode of diode D21, diode D18's
Negative electrode also negative electrode with electric capacity C10 is connected, and the anode of electric capacity C10 is connected with the anode of diode D22,
The negative electrode of diode D19 also negative electrode with electric capacity C11 is connected, the anode of electric capacity C11 and diode
The anode of D23 connects, and the negative electrode of diode D20 also negative electrode with electric capacity C12 is connected, electric capacity C12
Anode be connected with the anode of diode D24, the anode of diode D17, the anode of diode D18
All anodes with diode D20 are connected with the anode of diode D19, the negative electrode of diode D21, two
The negative electrode of pole pipe D22 and the negative electrode of diode D23 all negative electrodes with diode D24 are connected, diode
The negative electrode of D25 is connected with the anode of electric capacity C9, the anode of diode D25 and the negative electrode of electric capacity C10
Connect, the negative electrode of diode D26 is connected with the anode of electric capacity C10, the anode of diode D276 and
The negative electrode of electric capacity C11 connects, and the negative electrode of diode D27 is connected with the anode of electric capacity C11, diode
The anode of D27 is connected with the negative electrode of electric capacity C12, the negative electrode of diode D28 and the anode of electric capacity C12
Connecting, the anode of diode D28 is connected with the neutral conductor of input port.The negative circuit that triggers includes controlling to touch
Electric capacity C8, diode D29 and the opto-coupler chip IC2 of generating pressure, the positive input terminal of opto-coupler chip IC2
Being connected with the phase line of input port by diode D29 and electric capacity C8, opto-coupler chip IC2's is negative defeated
Enter end to be connected with the neutral conductor of input port, the positive output end of opto-coupler chip IC2 and negative conducting on-off circuit
Positive input terminal connect, the negative output terminal of opto-coupler chip IC2 is connected with the negative electrode of electric capacity C9.Negative conducting
On-off circuit includes resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance
R13, electric capacity C13, diode D30, audion Q4, audion Q5 and IGCT Q6, resistance
First end of R8 is connected with the positive output end of opto-coupler chip IC2, and second end of resistance R8 passes through resistance
R9 is connected with the base stage of audion Q4, and the colelctor electrode of audion Q4 connects with the negative electrode of diode D24
Connect, be connected by resistance R10 between the colelctor electrode of audion Q4 and base stage, the transmitting of audion Q4
Pole is connected with the base stage of audion Q5, and the colelctor electrode of audion Q5 connects with the colelctor electrode of audion Q4
Connecing, the emitter stage of audion Q5 is connected with the anode of diode D30, the negative electrode of diode D30 with
The positive pole of delivery outlet connects, and passes through resistance between base stage and the audion Q5 emitter stage of audion Q5
R11 connects, and the emitter stage of audion Q5 is connected by the control pole of resistance R12 and IGCT Q6,
The negative electrode of IGCT Q6 is connected with the anode of diode D20, the negative electrode of audion Q6 and audion
Connecting between the control pole of Q3 has resistance R13, the anode of audion Q6 to be connected with the negative pole of delivery outlet,
Electric capacity C13 is in parallel with resistance R9.Audion Q1 in the present invention is PNP pipe, audion Q2,
Audion Q4, audion Q5 are NPN pipe.
Positive transforming circuit so connects, and the positive half cycle at alternating current is charge mode, diode D11,
Diode D12, diode D13 and diode D14 conducting, now four electric capacity are series capacitances
Form, and just turning on on-off circuit and be not turned on, so, four capacitances in series chargings, alternating current
Negative half period is discharge mode, now, and diode D11, diode D12, diode D13 and two poles
Pipe D14 is not turned on, and diode D1 is not turned on, and four electric capacity parallel connections are discharged, output voltage
Become 55V.Just trigger circuit and serving the effect triggering control, there has also been buffer action simultaneously, with
Time by adjust electric capacity C1 numerical value can play include control trigger voltage effect.Electric capacity in the present invention
C6 is in parallel with resistance R2, serves the effect of filtering, and the present invention is by controlling trigger triode and crystalline substance
The conducting of brake tube and opening and closing, be controlled for electric discharge, reaches to turn on the effect of on-off circuit.As
The pressure swing circuit of mirror image, negative conducting on-off circuit and negative triggering circuit, play the electric discharge of positive half cycle, negative
The effect of half cycle charging.
Embodiment described above is the one preferably scheme of the present invention, not appoints the present invention
What pro forma restriction, also has other on the premise of without departing from the technical scheme described in claim
Variant and remodeling.
Claims (3)
- null1. an AC-DC changes insulating power supply circuit，Including input port and delivery outlet，Input port is connected with AC power supplies，Delivery outlet output unidirectional current，It is characterized in that: also include using the positive transforming circuit of discharge and recharge form transformation、Use the pressure swing circuit of discharge and recharge form transformation、Just triggering circuit、Negative triggering circuit、Just turning on on-off circuit、Negative conducting on-off circuit、Positive filter circuit and negative filter circuit，The positive input terminal of described positive transforming circuit is connected with input port phase line，The negative input end of described positive transforming circuit is connected with the input port neutral conductor，The positive output end of described positive transforming circuit is connected with the positive input terminal just turning on on-off circuit，The negative output terminal of described positive transforming circuit is connected with the negative input end just turning on on-off circuit，The positive output end just turning on on-off circuit is connected with delivery outlet positive pole，The negative output terminal just turning on on-off circuit is connected with delivery outlet negative pole，Described positive filter circuit one end is connected with the negative output terminal just turning on on-off circuit，The described positive filter circuit other end is connected with the positive output end just turning on on-off circuit，The described positive input terminal just triggering circuit is connected with the input port neutral conductor，The negative input end just triggering circuit is connected with input port phase line，The negative output terminal of the described negative output terminal and positive transforming circuit just triggering circuit is connected，The positive output end just triggering circuit is connected with the control end just turning on on-off circuit，The positive input terminal of described pressure swing circuit is connected with input port phase line，The negative input end of described pressure swing circuit is connected with the input port neutral conductor，The positive output end of described pressure swing circuit is connected with the positive input terminal of negative conducting on-off circuit，The negative output terminal of described pressure swing circuit is connected with the negative input end of negative conducting on-off circuit，The positive output end of negative conducting on-off circuit is connected with the positive pole of delivery outlet，The negative output terminal of negative conducting on-off circuit is connected with the negative pole of delivery outlet，Described negative filter circuit one end is connected with the negative output terminal of negative conducting on-off circuit，The described negative filter circuit other end is connected with the positive output end of negative conducting on-off circuit，The negative input end of described negative triggering circuit is connected with the input port neutral conductor，The negative positive input terminal triggering circuit is connected with input port phase line，The described negative output terminal of negative triggering circuit is connected with the negative output terminal of pressure swing circuit，The control end of the negative positive output end and negative conducting on-off circuit triggering circuit is connected；nullPositive transforming circuit includes the diode D1 that anode is connected with input port phase line、Diode D14 that negative electrode is connected with the input port neutral conductor and just filling can circuit，Described just filling can include that what at least two connect just fills energy electric capacity by circuit、Quantity is just to fill the positive booster diode of energy electric capacity twice，Just filling of each two series connection can be provided with a diode the most anti-reverse between electric capacity，The anode of the most anti-reverse diode is connected with the negative electrode just filling energy electric capacity，The negative electrode of the most anti-reverse diode is just filling the anode of energy electric capacity and is being connected with the later being in series，The described first anode just filling energy electric capacity connected in energy circuit that just filling can be connected with the negative electrode of diode D1 by the input of circuit as just filling，Described just filling can series connection last just filling and can negative electrode of electric capacity can be connected with the anode of diode D14 by the outfan of circuit as just filling in circuit，Each just filling can anode all anodes with a positive booster diode of electric capacity be connected，All anodes are all connected with the described positive input terminal just turning on on-off circuit with the negative electrode just filling the positive booster diode that energy electric capacity is connected，Each just filling can negative electrode all negative electrodes with a positive booster diode of electric capacity be connected，All negative electrodes are all connected with the described negative input end just turning on on-off circuit with the anode just filling the positive booster diode that energy electric capacity is connected；nullDescribed positive transforming circuit includes diode D1、Diode D2、Diode D3、Diode D4、Diode D5、Diode D7、Diode D8、Diode D9、Diode D10、Diode D11、Diode D12、Diode D13、Diode D14 and electric capacity C2、Electric capacity C3、Electric capacity C4 and electric capacity C5，The anode of described diode D1 is connected with the positive pole of described input port，The negative electrode of diode D1 is connected with the anode of diode D2，The anode of diode D2 also anode with electric capacity C2 is connected，The negative electrode of electric capacity C2 is connected with the negative electrode of diode D7，The anode of diode D3 also anode with electric capacity C3 is connected，The negative electrode of electric capacity C3 is connected with the negative electrode of diode D8，The anode of diode D4 also anode with electric capacity C4 is connected，The negative electrode of electric capacity C4 is connected with the negative electrode of diode D9，The anode of diode D5 also anode with electric capacity C5 is connected，The negative electrode of electric capacity C5 is connected with the negative electrode of diode D10，The negative electrode of diode D2、The negative electrode of diode D3 and the negative electrode of diode D4 all negative electrodes with diode D5 are connected，The anode of diode D7、The anode of diode D8 and the anode of diode D9 all anodes with diode D10 are connected，The anode of diode D11 is connected with the negative electrode of electric capacity C2，The negative electrode of diode D11 is connected with the anode of electric capacity C3，The anode of diode D12 is connected with the negative electrode of electric capacity C3，The negative electrode of diode D12 is connected with the anode of electric capacity C4，The anode of diode D13 is connected with the negative electrode of electric capacity C4，The negative electrode of diode D13 is connected with the anode of electric capacity C5，The anode of diode D14 is connected with the negative electrode of electric capacity C5，The negative electrode of diode D14 is connected with the neutral conductor of input port；The described circuit that just triggers includes controlling the electric capacity C1 of trigger voltage, diode D6 and opto-coupler chip IC1, the negative input end of opto-coupler chip IC1 is connected with the phase line of input port by diode D6 and electric capacity C1, the positive input terminal of opto-coupler chip IC1 is connected with the neutral conductor of input port, the positive output end of opto-coupler chip IC1 is connected with the control end just turning on on-off circuit, and the negative output terminal of opto-coupler chip IC1 is connected with the negative output terminal of positive transforming circuit；nullDescribed just conducting on-off circuit includes resistance R1、Resistance R2、Resistance R3、Resistance R4、Resistance R6、Resistance R7、Electric capacity C6、Diode D15、Audion Q1、Audion Q2 and IGCT Q3，First end of resistance R1 is connected with the positive output end of opto-coupler chip IC1，Second end of resistance R1 is connected by the base stage of resistance R2 and audion Q1，The emitter stage of audion Q1 is connected with the negative electrode of diode D5，It is connected by resistance R3 between the emitter stage of audion Q1 and base stage，The colelctor electrode of audion Q1 is connected with the base stage of audion Q2，The colelctor electrode of audion Q2 is connected with the emitter stage of audion Q1，The emitter stage of audion Q2 is connected with the anode of diode D15，The negative electrode of diode D15 is connected with the positive pole of delivery outlet，It is connected by resistance R4 between the base stage of audion Q2 with audion Q2 emitter stage，The emitter stage of audion Q2 is connected by the control pole of resistance R6 and IGCT Q3，The negative electrode of IGCT Q3 is connected with the anode of diode D10，It is connected between the negative electrode of IGCT Q3 and the control pole of IGCT Q3 and has resistance R7，The anode of audion Q3 is connected with the negative pole of delivery outlet，Described electric capacity C6 is in parallel with resistance R2；nullPressure swing circuit includes the diode D16 that negative electrode is connected with input port phase line、Diode D28 and negative filling that anode is connected with the input port neutral conductor can circuit，Described negative filling can include that negative the filling that at least two is connected can electric capacity by circuit、Quantity is the negative negative booster diode filling energy electric capacity twice，Negative the filling of each two series connection can be provided with a negative anti-reverse diode between electric capacity，The anode of negative anti-reverse diode is connected with the negative negative electrode filling energy electric capacity，The negative electrode of negative anti-reverse diode is connected with the previous negative anode filling energy electric capacity being in series，The described negative first negative negative electrode filling energy electric capacity connected in energy circuit that fills is connected with the anode of diode D16 as the negative energy input of circuit that fills，Described negative negative anode filling energy electric capacity of last connected in energy circuit that fills is connected with the negative electrode of diode D28 as the negative energy outfan of circuit that fills，Each negative filling can anode all anodes with a negative booster diode of electric capacity be connected，All anodes are connected with bearing the negative electrode filling the negative booster diode that energy electric capacity the is connected positive input terminal all with described negative conducting on-off circuit，Each negative filling can negative electrode all negative electrodes with a negative booster diode of electric capacity be connected，All negative electrodes are connected with bearing the anode filling the negative booster diode that energy electric capacity the is connected negative input end all with described negative conducting on-off circuit；nullDescribed pressure swing circuit includes diode D16、Diode D17、Diode D18、Diode D19、Diode D20、Diode D21、Diode D22、Diode D23、Diode D24、Diode D25、Diode D26、Diode D27、Diode D28 and electric capacity C9、Electric capacity C10、Electric capacity C11 and electric capacity C12，The negative electrode of described diode D16 is connected with the positive pole of described input port，The anode of diode D16 is connected with the negative electrode of diode D17，The negative electrode of diode D17 also negative electrode with electric capacity C9 is connected，The anode of electric capacity C9 is connected with the anode of diode D21，The negative electrode of diode D18 also negative electrode with electric capacity C10 is connected，The anode of electric capacity C10 is connected with the anode of diode D22，The negative electrode of diode D19 also negative electrode with electric capacity C11 is connected，The anode of electric capacity C11 is connected with the anode of diode D23，The negative electrode of diode D20 also negative electrode with electric capacity C12 is connected，The anode of electric capacity C12 is connected with the anode of diode D24，The anode of diode D17、The anode of diode D18 and the anode of diode D19 all anodes with diode D20 are connected，The negative electrode of diode D21、The negative electrode of diode D22 and the negative electrode of diode D23 all negative electrodes with diode D24 are connected，The negative electrode of diode D25 is connected with the anode of electric capacity C9，The anode of diode D25 is connected with the negative electrode of electric capacity C10，The negative electrode of diode D26 is connected with the anode of electric capacity C10，The anode of diode D276 is connected with the negative electrode of electric capacity C11，The negative electrode of diode D27 is connected with the anode of electric capacity C11，The anode of diode D27 is connected with the negative electrode of electric capacity C12，The negative electrode of diode D28 is connected with the anode of electric capacity C12，The anode of diode D28 is connected with the neutral conductor of input port，Described negative triggering circuit includes controlling the electric capacity C8 of trigger voltage, diode D29 and opto-coupler chip IC2, the positive input terminal of opto-coupler chip IC2 is connected with the phase line of input port by diode D29 and electric capacity C8, the negative input end of opto-coupler chip IC2 is connected with the neutral conductor of input port, the positive output end of opto-coupler chip IC2 is connected with the control end of negative conducting on-off circuit, and the negative output terminal of opto-coupler chip IC2 is connected with the negative output terminal of pressure swing circuit.
- nullAC-DC the most according to claim 1 changes insulating power supply circuit，It is characterized in that: described negative conducting on-off circuit includes resistance R8、Resistance R9、Resistance R10、Resistance R11、Resistance R12、Resistance R13、Electric capacity C13、Diode D30、Audion Q4、Audion Q5 and IGCT Q6，First end of resistance R8 is connected with the positive output end of opto-coupler chip IC2，Second end of resistance R8 is connected by the base stage of resistance R9 and audion Q4，The colelctor electrode of audion Q4 is connected with the negative electrode of diode D24，It is connected by resistance R10 between the colelctor electrode of audion Q4 and base stage，The emitter stage of audion Q4 is connected with the base stage of audion Q5，The colelctor electrode of audion Q5 is connected with the colelctor electrode of audion Q4，The emitter stage of audion Q5 is connected with the anode of diode D30，The negative electrode of diode D30 is connected with the positive pole of delivery outlet，It is connected by resistance R11 between the base stage of audion Q5 with audion Q5 emitter stage，The emitter stage of audion Q5 is connected by the control pole of resistance R12 and IGCT Q6，The negative electrode of IGCT Q6 is connected with the anode of diode D20，It is connected between the negative electrode of IGCT Q6 and the control pole of IGCT Q6 and has resistance R13，The anode of IGCT Q6 is connected with the negative pole of delivery outlet，Described electric capacity C13 is in parallel with resistance R9.
- AC-DC the most according to claim 1 changes insulating power supply circuit, it is characterised in that: described negative fill can electric capacity quantitative value with described just filling can electric capacity quantitative value identical, described negative fill can the capacitance of electric capacity identical with the capacitance just filling energy electric capacity.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5805436A (en) * | 1997-03-24 | 1998-09-08 | Lin; Tieng-Fu | Simplified power supply circuit without transformer core and windings |
| CN101645657A (en) * | 2008-09-14 | 2010-02-10 | 李书灿 | Electrical isolation rectification DC power supply |
| CN102044979A (en) * | 2009-10-15 | 2011-05-04 | 葛红远 | Voltage-doubling rectifying linear direct-current power supply |
| CN102638182A (en) * | 2012-04-13 | 2012-08-15 | 江苏技术师范学院 | Transformer-free direct-current stabilized power supply |
| CN203261253U (en) * | 2013-03-22 | 2013-10-30 | 杭州鸿德照明科技有限公司 | High-efficiency environmental-protection AC-DC conversion isolation power supply circuit |
-
2013
- 2013-03-22 CN CN201310094222.XA patent/CN103354426B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5805436A (en) * | 1997-03-24 | 1998-09-08 | Lin; Tieng-Fu | Simplified power supply circuit without transformer core and windings |
| CN101645657A (en) * | 2008-09-14 | 2010-02-10 | 李书灿 | Electrical isolation rectification DC power supply |
| CN102044979A (en) * | 2009-10-15 | 2011-05-04 | 葛红远 | Voltage-doubling rectifying linear direct-current power supply |
| CN102638182A (en) * | 2012-04-13 | 2012-08-15 | 江苏技术师范学院 | Transformer-free direct-current stabilized power supply |
| CN203261253U (en) * | 2013-03-22 | 2013-10-30 | 杭州鸿德照明科技有限公司 | High-efficiency environmental-protection AC-DC conversion isolation power supply circuit |
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