CN106253731A - Power supply UPS sinewave inverter - Google Patents
Power supply UPS sinewave inverter Download PDFInfo
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- CN106253731A CN106253731A CN201610657977.XA CN201610657977A CN106253731A CN 106253731 A CN106253731 A CN 106253731A CN 201610657977 A CN201610657977 A CN 201610657977A CN 106253731 A CN106253731 A CN 106253731A
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- phase inverter
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a kind of power supply UPS sinewave inverter; including protected location, charging device and UPS control unit; protected location includes input filter circuit, input oscillating circuit, input protection circuit, control circuit and reverse-connection protection circuit, and input filter circuit includes the first DC source, the second DC source, the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the 3rd metal-oxide-semiconductor, the 4th metal-oxide-semiconductor, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the first inductance, the second inductance, the first electric capacity and the second electric capacity；Input oscillating circuit includes the first diode, the first phase inverter, the second phase inverter, the 3rd phase inverter, the 3rd electric capacity, the 5th resistance, the 6th resistance and the 7th resistance.The present invention switches quickly, stability is higher, output waveform stable state accuracy is high, dynamic property preferably, small volume, can reduce leakage current, improve efficiency, circuit structure is simple, reduce cost.
Description
Technical field
The present invention relates to inverter field, particularly to a kind of power supply UPS sinewave inverter.
Background technology
Along with the continuous progress of human development, environment is also constantly degenerating, and natural disaster often occurs, and power-off is cut off the water supply
Situation happens occasionally.Sinewave inverter with UPS handoff functionality has become research and development both at home and abroad and has helped the important of development
One of resource equipment product.The sinewave inverter of band UPS handoff functionality deposits the following problem that is primarily present at present: 1, major part is produced
Product output is the sinusoidal wave product of repairing of a band charge function, and band perception and capacitive load, efficiency is low, and load temperature is high, during startup
Very big to inverter impact, easily break down.2, the band charging pure sine wave product having on the market is the most all without UPS function.
3, the power of band UPS function all does not quite, and switching effect is undesirable.
The full-bridge topology circuit of conventional inverter filtering is: when positive half period works, inductance L2 and inductance L1 filtering；When
During negative half-cycle work, inductance L2 and inductance L1 filtering, cause inverter common mode current over the ground bigger, leakage current strengthens,
And electromagnetic compatibility is poor, needs to strengthen the common mode inductance of output, suppress leakage current.Topology electromagnetic compatibility is poor, effect
Rate ratio is relatively low.It addition, the circuit structure complexity of the oscillating circuit in current inverter, cost is high.
Summary of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of prior art, it is provided that a kind of switching is quickly, surely
Qualitative higher, output waveform stable state accuracy is high, dynamic property preferably, small volume, leakage current can be reduced, improve efficiency, circuit
Simple in construction, the power supply UPS sinewave inverter of reduction cost.
The technical solution adopted for the present invention to solve the technical problems is: a kind of power supply UPS sinewave inverter of structure, bag
Including protected location, charging device and UPS control unit, described protected location is arranged on the outside of described charging device, described UPS
Control unit is arranged on the inside of described charging device；Described protected location includes input filter circuit, input oscillating circuit, defeated
Enter protection circuit, control circuit and reverse-connection protection circuit, described input filter circuit, input protection circuit, control circuit and anti-
Connect protection circuit to be all connected with described input oscillating circuit；
Described input filter circuit include the first DC source, the second DC source, the first metal-oxide-semiconductor, the second metal-oxide-semiconductor,
Three metal-oxide-semiconductors, the 4th metal-oxide-semiconductor, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the first inductance, the second inductance, first
Electric capacity and the second electric capacity, described first metal-oxide-semiconductor drain electrode and described 3rd metal-oxide-semiconductor drain electrode all with described first DC source
Positive pole connects, and the negative pole of described first DC source is connected with the positive pole of described second DC source, described second DC source
Minus earth, the source electrode of described second metal-oxide-semiconductor by described first resistance respectively with the drain electrode and second of described second metal-oxide-semiconductor
One end of inductance connects, the source ground of described second metal-oxide-semiconductor, the source electrode of described 3rd metal-oxide-semiconductor by described second resistance with
The drain electrode of described 4th metal-oxide-semiconductor connects, and the source ground of described 4th metal-oxide-semiconductor, the source electrode of described 3rd metal-oxide-semiconductor is also by described
First inductance is connected with one end of described first electric capacity and one end of the 3rd resistance respectively, and the other end of described second inductance is respectively
It is connected with one end of described second electric capacity and one end of the 4th resistance, another of the other end of described first electric capacity and the second electric capacity
End all negative poles with described first DC source are connected, and the described other end of the 3rd resistance and the other end of the 4th resistance connect respectively
Connect the two ends of alternating current power supply；
Described input oscillating circuit include the first diode, the first phase inverter, the second phase inverter, the 3rd phase inverter, the 3rd
Electric capacity, the 5th resistance, the 6th resistance and the 7th resistance, the negative electrode of described first diode connects described first DC source, institute
The anode stating the first diode is connected with described one end of 5th resistance and one end of the 7th resistance respectively, described 7th resistance
The other end is connected with the input of described first phase inverter, and the outfan of described first phase inverter is defeated with described second phase inverter
Entering end to connect, the outfan of described second phase inverter connects with the input of described 3rd phase inverter and one end of the 3rd electric capacity respectively
Connecing, the other end of described 5th resistance is connected with the other end of described 3rd electric capacity, the outfan of described 3rd phase inverter and institute
The one end stating the second resistance connects, and the other end of described second resistance is connected with the other end of described 3rd electric capacity.
In power supply UPS sinewave inverter of the present invention, described input oscillating circuit also includes the 8th resistance, institute
The outfan stating the first phase inverter is connected with the input of described second phase inverter by described 8th resistance.
In power supply UPS sinewave inverter of the present invention, described input oscillating circuit also includes the 9th resistance, institute
State the outfan of the second phase inverter by described 9th resistance respectively with the input of described 3rd phase inverter and the 3rd electric capacity
One end connects.
In power supply UPS sinewave inverter of the present invention, described input oscillating circuit also includes the tenth resistance, institute
The outfan stating the 3rd phase inverter is connected with one end of described second resistance by described tenth resistance.
In power supply UPS sinewave inverter of the present invention, described charging device include charge oscillating circuit and
The oscillation control circuit being connected with described charging oscillating circuit；Described UPS control unit includes UPS cut-grafting module, inversion vibration
Circuit, UPS switching control module, pure sine wave inversion control module and city's power detection circuit, described inversion oscillating circuit and UPS
Switching control module is all connected with described UPS cut-grafting module, and described pure sine wave inversion control module is shaken with described inversion respectively
Swinging circuit and UPS switching control module connects, described pure sine wave inversion control module and UPS switching control module are all with described
City's power detection circuit connects；Described input oscillating circuit is connected with described charging oscillating circuit by wire, described vibrational control
Circuit is connected with described inversion oscillating circuit by wire.
In power supply UPS sinewave inverter of the present invention, described charging oscillating circuit passes through charging rectifier circuit
Input electric power.
In power supply UPS sinewave inverter of the present invention, described oscillation control circuit passes through boost voltage through whole
Stream filter circuit input electric power.
Implement the power supply UPS sinewave inverter of the present invention, have the advantages that owing to using protected location, filling
Electric installation and UPS control unit, protected location is arranged on the outside of charging device, and UPS control unit is arranged on charging device
Internal；Protected location includes input filter circuit, input oscillating circuit, input protection circuit, control circuit and reverse connecting protection electricity
Road, input filter circuit changes the working method of conventional full bridge topology, when positive half period works, the first inductance and the first electricity
Appearance is filtered, and the second inductance does not works, and during negative half-cycle work, the second inductance and the second electric capacity are filtered, the first inductance
Do not work, thus change working method and the afterflow mode of machine so that leakage current reduces, and electromagnetic compatibility also becomes relatively to hold
Easily passing through, input oscillating circuit uses the most frequently used reverse swing door device and resistance, electric capacity to form, simplification circuit, low cost, so
Its switching is quickly, stability is higher, output waveform stable state accuracy high, dynamic property preferably, small volume, can reduce leakage current,
Improve efficiency, circuit structure is simple, reduce cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of protected location in one embodiment of power supply UPS sinewave inverter of the present invention；
Fig. 2 is the circuit theory diagrams of input filter circuit in described embodiment；
Fig. 3 is the circuit theory diagrams inputting oscillating circuit in described embodiment；
Fig. 4 is the structural representation of charging device in described embodiment；
Fig. 5 is the structural representation of UPS control unit in described embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
In power supply UPS sinewave inverter embodiment of the present invention, this power supply UPS sinewave inverter includes that protection is single
Unit, charging device and UPS control unit, wherein, protected location is arranged on the outside of charging device, and UPS control unit is arranged on
The inside of charging device.Fig. 1 is the structural representation of protected location in the present embodiment.In Fig. 1, this protected location includes input filter
Wave circuit, input oscillating circuit, input protection circuit, control circuit and reverse-connection protection circuit, input filter circuit, input protection
Circuit, control circuit and reverse-connection protection circuit are all connected with input oscillating circuit.
Fig. 2 is the circuit theory diagrams of input filter circuit in the present embodiment, and in Fig. 2, this input filter circuit includes first
DC source VDC1, the second DC source VDC2, the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2, the 3rd metal-oxide-semiconductor Q3, the 4th metal-oxide-semiconductor
Q4, the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the first inductance L1, the second inductance L2, the first electric capacity
C1 and the second electric capacity C2, wherein, the first resistance R1, the second resistance R2, the 3rd resistance R3 and the 4th resistance R4 are current-limiting resistance,
For carrying out overcurrent protection, improve the safety of input filter circuit.
In the present embodiment, the drain electrode of the first metal-oxide-semiconductor Q1 and the drain electrode of the 3rd metal-oxide-semiconductor Q3 are all with the first DC source VDC1's
Positive pole connects, and the negative pole of the first DC source VDC1 and the positive pole of the second DC source VDC2 connect, the second DC source VDC2
Minus earth, the source electrode of the second metal-oxide-semiconductor Q2 by the first resistance R1 respectively with drain electrode and the second inductance L2 of the second metal-oxide-semiconductor Q2
One end connect, the source ground of the second metal-oxide-semiconductor Q2, the source electrode of the 3rd metal-oxide-semiconductor Q3 pass through the second resistance R2 and the 4th metal-oxide-semiconductor Q4
Drain electrode connect, the source ground of the 4th metal-oxide-semiconductor Q4, the source electrode of the 3rd metal-oxide-semiconductor Q3 also by the first inductance L1 respectively with first
One end of one end of electric capacity C1 and the 3rd resistance R3 connects, the other end of the second inductance L2 respectively with one end of the second electric capacity C2 and
One end of 4th resistance R4 connects, the other end of the first electric capacity C1 and the other end of the second electric capacity C2 all with the first DC source
The negative pole of VDC1 connects, and the other end of the 3rd resistance R3 and the other end of the 4th resistance R4 connect the two ends of alternating current power supply respectively；
It is to say, the other end of the 3rd resistance R3 is connected with one end of alternating current power supply, the other end of the 4th resistance R4 and alternating current power supply
The other end connect.
This input filter circuit changes the working method of conventional full bridge topology.When positive half period works, the first inductance L1
Being filtered with the first electric capacity C1, the second inductance L2 does not works；During negative half-cycle work, the second inductance L2 and the second electric capacity C2 enters
Row filtering, the first inductance L1 does not works.Thus changing working method and the afterflow mode of machine so that leakage current reduces, electricity
Magnetic compatibility also becomes relatively easily to pass through.Reduce the loss of inductance and pipe with stylish topology and improve the effect of whole machine
Rate.
Fig. 3 is the circuit theory diagrams inputting oscillating circuit in the present embodiment, and in Fig. 3, input oscillating circuit includes the one or two
Pole pipe D1, the first phase inverter A1, the second phase inverter A2, the 3rd phase inverter A3, the 3rd electric capacity C3, the 5th resistance R5, the 6th resistance
R6 and the 7th resistance R7, wherein, the first phase inverter A1, the second phase inverter A2, the 3rd phase inverter A3 are TTL phase inverter or CMOS
Phase inverter.First diode D1 is clamp diode, and the 7th resistance R7 is current-limiting resistance, is used for carrying out overcurrent protection.One or two
The negative electrode of pole pipe D1 connects the first DC source VDC1, the anode of the first diode D1 respectively with one end and of the 5th resistance R5
One end of seven resistance R7 connects, and the other end of the 7th resistance R7 and the input of the first phase inverter A1 connect, the first phase inverter A1
Outfan and the input of the second phase inverter A2 connect, the outfan of the second phase inverter A2 defeated with the 3rd phase inverter A3 respectively
The one end entering end and the 3rd electric capacity C3 connects, and the other end of the 5th resistance R5 and the other end of the 3rd electric capacity C3 connect, and the 3rd is anti-
The outfan of phase device A3 and one end of the second resistance R2 connect, and the other end of the second resistance R2 and the other end of the 3rd electric capacity C3 are even
Connect.This input oscillating circuit uses the most frequently used reverse swing door device, resistance and electric capacity composition, and circuit structure is simple, and cost is relatively low,
It is convenient to realize, and changes output frequency convenient, can realize square wave output with lower cost.
In the present embodiment, the input voltage V3=V1-R5 × i of the first phase inverter A1, owing to the input current of phase inverter is μ
A rank, can regard V3 point current potential equal to V1 point current potential.V1 point current potential is the 3rd electric capacity C3 both end voltage V and the second phase inverter A2
Output voltage V2 sum, i.e. V1=V+V2.Circuit powers under initial conditions, and V3 is low level, and V2 is low level, and V4 is high electricity
Flat, then V1=V+V2 (low level), the output of the 3rd phase inverter A3 is charged to the 3rd electric capacity C3 by the 6th resistance R6；When V1 point
When charging potential reaches the input threshold values Vth of phase inverter, the first phase inverter A1, the second phase inverter A2 and the 3rd phase inverter A3 output
Upset, V2 is high level, and V4 is low level, then V1=V+V2 (high level), and the 3rd electric capacity C3 passes through the 6th resistance R6 and the 3rd
Phase inverter A3 discharges；When V1 point current potential discharges into the input threshold values Vtl of phase inverter, due to V3=V1, the first phase inverter A1,
Two phase inverter A2 and the 3rd phase inverter A3 output switching activity, V2 is high level, and V4 is low level, then V1=V+V2 (high level), the
Three electric capacity output switching activities, V2 is low level, and V3 is high level, then V1=V+V2 (low level).This process is repeated, the most defeated
Going out to hold f (out) output duty cycle is the square wave of 50%.
Owing to when V2 is high level, V1=V+V2 (high level), V3=V1, then V3=V+V2 (high level), this is electric
Position is possible to the maximum input voltage allowed beyond phase inverter, and causing phase inverter to damage the first diode D1 can be effectively
The current potential of clamper V3.Owing to adding the first diode D1, when V1=V+V2 (high level), the discharge loop of the 3rd electric capacity C3
Having two, one article is discharged by the 5th resistance R5, the first diode D1, and one article by the 6th resistance R6's and the 3rd phase inverter A3
Output electric discharge, time below the conducting voltage that the current potential of V1 point discharges into the first diode D1, the 3rd electric capacity C3 is only by the 6th
Resistance R6 discharges to the output of the 3rd phase inverter A3, until V1 point current potential to below Vtl.
In the present embodiment, this input oscillating circuit also includes the 8th resistance R8, and the outfan of the first phase inverter A1 is by the
The input of eight resistance R8 and the second phase inverter A2 connects.Change input oscillating circuit and also include the 9th resistance R9, the second phase inverter
The outfan of A2 is connected with the input of the 3rd phase inverter A3 and one end of the 3rd electric capacity C3 respectively by the 9th resistance R9.This is defeated
Entering oscillating circuit and also include the tenth resistance R10, the outfan of the 3rd phase inverter A3 is by the tenth resistance R10's and the second resistance R2
One end connects.
Fig. 4 is the structural representation of charging device in the present embodiment.Fig. 5 is the structure of UPS control unit in the present embodiment
Schematic diagram.In the present embodiment, charging device includes charge oscillating circuit and oscillation control circuit, and oscillation control circuit shakes with charging
Swinging circuit to connect, UPS control unit includes that UPS cut-grafting module, inversion oscillating circuit, UPS switching control module, pure sine wave are inverse
Become control module and city's power detection circuit, inversion oscillating circuit and UPS switching control module are all connected with UPS cut-grafting module, pure
Sine wave inverter control module is connected with inversion oscillating circuit and UPS switching control module respectively, pure sine wave inversion control mould
Block and UPS switching control module Jun Yu city power detection circuit connect；Input oscillating circuit is by wire with charging oscillating circuit even
Connecing, oscillation control circuit is connected with inversion oscillating circuit by wire.Charging oscillating circuit is by charging rectifier circuit input electricity
Power.Oscillation control circuit passes through boost voltage rectified filter circuit input electric power.
In a word, before and after the power supply UPS sinewave inverter of the present invention, level control circuit is stand-alone integrated, so can reduce
The overall volume of product, improves inversion conversion efficiency, it is ensured that power failure electrical equipment will not power-off, it is ensured that use safe and reliable, reduces
Harmonic wave；Accumulator can be switched to civil power at 1 minute, and civil power can be switched to accumulator in 0.2 second, it is ensured that electrical equipment will not fall
Electricity.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (7)
1. a power supply UPS sinewave inverter, it is characterised in that include protected location, charging device and UPS control unit,
Described protected location is arranged on the outside of described charging device, and described UPS control unit is arranged on the inside of described charging device；
Described protected location includes input filter circuit, input oscillating circuit, input protection circuit, control circuit and reverse connecting protection electricity
Road, described input filter circuit, input protection circuit, control circuit and reverse-connection protection circuit are all with described input oscillating circuit even
Connect；
Described input filter circuit includes the first DC source, the second DC source, the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the 3rd MOS
Pipe, the 4th metal-oxide-semiconductor, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the first inductance, the second inductance, the first electric capacity and
Second electric capacity, the positive pole all with described first DC source of the drain electrode with described 3rd metal-oxide-semiconductor that drains of described first metal-oxide-semiconductor connects
Connecing, the negative pole of described first DC source is connected with the positive pole of described second DC source, the negative pole of described second DC source
Ground connection, the source electrode of described second metal-oxide-semiconductor by described first resistance respectively with drain electrode and second inductance of described second metal-oxide-semiconductor
One end connects, the source ground of described second metal-oxide-semiconductor, and the source electrode of described 3rd metal-oxide-semiconductor is by described second resistance and described the
The drain electrode of four metal-oxide-semiconductors connects, the source ground of described 4th metal-oxide-semiconductor, and the source electrode of described 3rd metal-oxide-semiconductor is also by described first electricity
Sense is connected with one end of described first electric capacity and one end of the 3rd resistance respectively, and the other end of described second inductance is respectively with described
One end of one end of second electric capacity and the 4th resistance connects, the other end of described first electric capacity and the other end of the second electric capacity all with
The negative pole of described first DC source connects, and the described other end of the 3rd resistance and the other end of the 4th resistance connect exchange respectively
The two ends of power supply；
Described input oscillating circuit include the first diode, the first phase inverter, the second phase inverter, the 3rd phase inverter, the 3rd electric capacity,
5th resistance, the 6th resistance and the 7th resistance, negative electrode described first DC source of connection of described first diode, described first
The anode of diode is connected with described one end of 5th resistance and one end of the 7th resistance respectively, the other end of described 7th resistance
Being connected with the input of described first phase inverter, the outfan of described first phase inverter connects with the input of described second phase inverter
Connecing, the outfan of described second phase inverter is connected with the described input of the 3rd phase inverter and one end of the 3rd electric capacity respectively, institute
The other end of the other end and described 3rd electric capacity of stating the 5th resistance is connected, the outfan and described second of described 3rd phase inverter
One end of resistance connects, and the other end of described second resistance is connected with the other end of described 3rd electric capacity.
Power supply UPS sinewave inverter the most according to claim 1, it is characterised in that described input oscillating circuit also wraps
Including the 8th resistance, the outfan of described first phase inverter is connected by the input of described 8th resistance with described second phase inverter
Connect.
Power supply UPS sinewave inverter the most according to claim 2, it is characterised in that described input oscillating circuit also wraps
Include the 9th resistance, the outfan of described second phase inverter by described 9th resistance respectively with the input of described 3rd phase inverter
Connect with one end of the 3rd electric capacity.
Power supply UPS sinewave inverter the most according to claim 3, it is characterised in that described input oscillating circuit also wraps
Including the tenth resistance, the outfan of described 3rd phase inverter is connected with one end of described second resistance by described tenth resistance.
5. according to the power supply UPS sinewave inverter described in Claims 1-4, it is characterised in that described charging device includes filling
Electric oscillation circuit and the oscillation control circuit being connected with described charging oscillating circuit；Described UPS control unit includes UPS cut-grafting
Module, inversion oscillating circuit, UPS switching control module, pure sine wave inversion control module and city's power detection circuit, described inversion
Oscillating circuit and UPS switching control module are all connected with described UPS cut-grafting module, and described pure sine wave inversion control module is respectively
It is connected with described inversion oscillating circuit and UPS switching control module, described pure sine wave inversion control module and UPS switching control
Module is all connected with described city power detection circuit；Described input oscillating circuit is connected with described charging oscillating circuit by wire,
Described oscillation control circuit is connected with described inversion oscillating circuit by wire.
Power supply UPS sinewave inverter the most according to claim 5, it is characterised in that described charging oscillating circuit passes through
Charging rectifier circuit input electric power.
Power supply UPS sinewave inverter the most according to claim 5, it is characterised in that described oscillation control circuit passes through
Boost voltage rectified filter circuit input electric power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610657977.XA CN106253731A (en) | 2016-08-11 | 2016-08-11 | Power supply UPS sinewave inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610657977.XA CN106253731A (en) | 2016-08-11 | 2016-08-11 | Power supply UPS sinewave inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106253731A true CN106253731A (en) | 2016-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610657977.XA Pending CN106253731A (en) | 2016-08-11 | 2016-08-11 | Power supply UPS sinewave inverter |
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| CN (1) | CN106253731A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203014663U (en) * | 2012-11-22 | 2013-06-19 | 苏州弘鹏新能源有限公司 | Inverter filter circuit |
| CN204424992U (en) * | 2015-03-07 | 2015-06-24 | 李群星 | Power supply UPS sinewave inverter |
| CN205232174U (en) * | 2015-12-25 | 2016-05-11 | 深圳怡化电脑股份有限公司 | Oscillating circuit |
-
2016
- 2016-08-11 CN CN201610657977.XA patent/CN106253731A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203014663U (en) * | 2012-11-22 | 2013-06-19 | 苏州弘鹏新能源有限公司 | Inverter filter circuit |
| CN204424992U (en) * | 2015-03-07 | 2015-06-24 | 李群星 | Power supply UPS sinewave inverter |
| CN205232174U (en) * | 2015-12-25 | 2016-05-11 | 深圳怡化电脑股份有限公司 | Oscillating circuit |
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Application publication date: 20161221 |
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