CN106208325A - There is the solar air-conditioner system of H bridge inversion - Google Patents
There is the solar air-conditioner system of H bridge inversion Download PDFInfo
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- CN106208325A CN106208325A CN201610724750.2A CN201610724750A CN106208325A CN 106208325 A CN106208325 A CN 106208325A CN 201610724750 A CN201610724750 A CN 201610724750A CN 106208325 A CN106208325 A CN 106208325A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The invention discloses a kind of solar air-conditioner system with H bridge inversion, including solaode, controller for solar, accumulator and transducer air conditioning, controller for solar includes charging circuit, control circuit, lightning protection circuit and discharge circuit, transducer air conditioning includes inverter circuit, charging circuit includes the 11st to the 17th resistance, 11st to the 12nd electric capacity, 11st to the 12nd audion, 13rd to the 14th metal-oxide-semiconductor, inverter circuit includes the 51st to the 52nd IGBT pipe, 53rd to the 54th metal-oxide-semiconductor, 51st to the 54th diode, 51st to the 52nd resistance.The present invention can effectively lightning protection, improve security of system performance, accumulator can ensure that again while being charged accumulator activity, can extend accumulator life-span, can improve the charge efficiency to accumulator, to extend that though electricity consumption time of accumulator loads be or to have higher efficiency under fully loaded work under underloading work.
Description
Technical field
The present invention relates to solar airconditioning field, particularly to a kind of solar air-conditioner system with H bridge inversion.
Background technology
Solar air-conditioner system is made up of parts such as solaode, controller, accumulator and transducer air conditionings.Existing
Solar air-conditioner system has following defects that controller Lighting Protection Measures is ineffective, affects security of system performance；Accumulator is many
Inevitably there is inconsistent situation in capacity and self discharge between individual cell batteries, affects the life of storage battery.
It addition, when occur continuous print several overcast and rainy time, the electric power of accumulator is not enough to maintain and is powered equipment work
Needing, this will affect the normal work of the equipment of being powered, and will solve this problem, can strengthen accumulator and solar panel
Capacity, but cost can significantly rise.
In the design of common H-bridge inverter circuit is applied, four brachium pontis use identical power switch pipe (to use IGBT
Pipe or metal-oxide-semiconductor), whether use the H-bridge inverter circuit of IGBT pipe composition, or the H-bridge inverter circuit of employing metal-oxide-semiconductor composition,
The most all there are some problems.The problem existed is as follows: when 1, using IGBT pipe, due to IGBT pipe conduction voltage drop
Nonlinear characteristic makes the conduction voltage drop of IGBT pipe can't dramatically increase along with the increase of conducting electric current, is operating at full capacity
Time, inversion conversion efficiency is higher；Conversely, as the nonlinear characteristic of IGBT pipe conduction voltage drop makes the conduction voltage drop of IGBT pipe also
Will not be substantially reduced along with the reduction of conducting electric current, in the light hours, inversion conversion efficiency is relatively low.On the other hand be by
Low in the switching frequency of IGBT pipe, the frequency characteristic of the H-bridge inverter circuit being therefore made up of IGBT pipe is undesirable.2, MOS is used
Guan Shi, frequency characteristic improves, but owing to the conduction voltage drop of metal-oxide-semiconductor is linear so that the conduction voltage drop of metal-oxide-semiconductor can be along with leading
Alive increase and dramatically increase, when operating at full capacity, inversion conversion efficiency is relatively low；Otherwise, the conduction voltage drop of metal-oxide-semiconductor is also
Can be substantially reduced along with the reduction of conducting electric current, in the light hours, inversion conversion efficiency is of a relatively high.3, inversion efficiency can be with
Prime DC source changed power and change.Using the H-bridge inverter circuit of IGBT pipe composition, inversion efficiency can be with prime DC source merit
The increase of rate and increase；Using the H-bridge inverter circuit of metal-oxide-semiconductor composition, inversion efficiency can be with the increase of prime DC source power
Reduce.In photovoltaic inversion device or wind power generation inverter, it is more prominent that the shortcoming of this circuit manifests.
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 one can be the most anti-
Thunder, raising security of system performance, accumulator can ensure that again the activity of accumulator, can extend accumulator while being charged
No matter the life-span, can improve the charge efficiency to accumulator, extend accumulator the electricity consumption time load be underloading work under or
The solar air-conditioner system with H bridge inversion of higher efficiency is had under fully loaded work.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of solar energy sky with H bridge inversion
Adjusting system, including solaode, controller for solar, accumulator and transducer air conditioning, described controller for solar includes filling
Electricity circuit, control circuit, lightning protection circuit and discharge circuit, described transducer air conditioning includes inverter circuit and compressor, described too
Sun can be connected with described charging circuit by battery, and described charging circuit is connected with described discharge circuit by described control circuit, institute
Stating charging circuit and discharge circuit is the most all connected with described accumulator, described control circuit is by described lightning protection circuit and described storage
Battery connects, and described discharge circuit is connected with described compressor also by described inverter circuit；
Described charging circuit includes the 11st resistance, the 12nd resistance, the 13rd resistance, the 14th resistance, the 15th electricity
Resistance, the 16th resistance, the 17th resistance, the 11st electric capacity, the 12nd electric capacity, the 11st stabilivolt, the 11st audion, the tenth
Two audions, the 13rd metal-oxide-semiconductor and the 14th metal-oxide-semiconductor, the base stage of described 11st audion and the one of described 11st resistance
End connects, and the other end of described 11st resistance is connected with described control circuit, and the emitter stage of described 11st audion connects
DC source, the colelctor electrode of described 11st audion by described 12nd resistance respectively with one end of described 11st electric capacity
Connect with one end of the 13rd resistance, the base stage of described 12nd audion respectively with the other end of described 11st electric capacity and the
One end of 14 resistance connects, the colelctor electrode of described 12nd audion respectively with one end and the 15th of described 12nd electric capacity
One end of resistance connects, and the other end of described 15th resistance is connected with described DC source, another of described 12nd electric capacity
Hold by described 17th resistance respectively with grid, the negative electrode of the 11st stabilivolt and the 14th MOS of described 13rd metal-oxide-semiconductor
The grid of pipe connects, the emitter stage of described 12nd audion by described 16th resistance respectively with described 13rd metal-oxide-semiconductor
Source electrode, the anode of the 11st stabilivolt and the 14th metal-oxide-semiconductor source electrode connect, the anode of described 11st stabilivolt also with institute
The other end stating the 14th resistance connects, the other end of described 13rd resistance respectively with the drain electrode of described 13rd metal-oxide-semiconductor and
The negative pole of described solaode connects, and the drain electrode of described 14th metal-oxide-semiconductor is connected with the negative pole of described accumulator, the described sun
Can be connected with the positive pole of described accumulator by the positive pole of battery；
Described inverter circuit include the 51st IGBT pipe, the 52nd IGBT pipe, the 53rd metal-oxide-semiconductor, the 54th
Metal-oxide-semiconductor, the 51st diode, the 52nd diode, the 53rd diode, the 54th diode, the 51st electricity
Resistance, the 52nd resistance, the first alternating current, the second alternating current and alternating current source, the colelctor electrode of described 51st IGBT pipe passes through
Described 51st resistance is connected with described DC source, the anode of described 51st diode and described 51st IGBT
The emitter stage of pipe connects, and the negative electrode of described 51st diode is connected with described DC source, described 52nd IGBT pipe
Colelctor electrode be connected with described DC source by described 52nd resistance, the anode of described 52nd diode is with described
The emitter stage of the 52nd IGBT pipe connects, and the negative electrode of described 52nd diode is connected with described DC source, and described the
The emitter stage of 51 IGBT pipes is connected with one end of described first alternating current and the drain electrode of the 53rd metal-oxide-semiconductor the most respectively, institute
State the source ground of the 53rd metal-oxide-semiconductor, the plus earth of described 53rd diode, the moon of described 53rd diode
Pole is connected with the drain electrode of described 53rd metal-oxide-semiconductor, and the emitter stage of described 52nd IGBT pipe exchanges with described second respectively
One end of electricity and the drain electrode of the 54th metal-oxide-semiconductor connect, and the other end of described first alternating current passes through described alternating current source with described
The other end of the second alternating current connects, and the source ground of described 54th metal-oxide-semiconductor, the anode of described 54th diode connects
Ground, the negative electrode of described 54th diode is connected with the drain electrode of described 54th metal-oxide-semiconductor.
In the solar air-conditioner system with H bridge inversion of the present invention, described inverter circuit also includes the 50th
Three resistance and the 54th resistance, one end of described 53rd resistance is connected with the emitter stage of described 51st IGBT pipe,
The other end of described 53rd resistance is connected with the drain electrode of described 53rd metal-oxide-semiconductor, one end of described 54th resistance
It is connected with the emitter stage of described 52nd IGBT pipe, the other end of described 54th resistance and described 54th metal-oxide-semiconductor
Drain electrode connect.
In the solar air-conditioner system with H bridge inversion of the present invention, described inverter circuit also includes the 50th
Five resistance and the 56th resistance, one end of described 55th resistance is connected with the source electrode of described 53rd metal-oxide-semiconductor, described
The other end ground connection of the 55th resistance, one end of described 56th resistance is connected with the source electrode of described 54th metal-oxide-semiconductor,
The other end ground connection of described 56th resistance.
In the solar air-conditioner system with H bridge inversion of the present invention, described 51st IGBT pipe and the 5th
12 IGBT pipes are N-type IGBT pipe.
In the solar air-conditioner system with H bridge inversion of the present invention, described 53rd metal-oxide-semiconductor and the 50th
Four metal-oxide-semiconductors are P-channel metal-oxide-semiconductor.
Implement the solar air-conditioner system with H bridge inversion of the present invention, have the advantages that owing to being provided with lightning protection
Circuit, thus can effectively lightning protection, improve security of system performance；It addition, accumulator can ensure that again while being charged
The activity of accumulator, it is to avoid accumulator deposits, thus extends the life-span of accumulator largely, charging circuit
The charging circuit of the loss of voltage more traditional use diode reduces nearly half, improves solaode and imitates the charging of accumulator
Rate, charge efficiency more non-PWM height 3%-6%, extend the electricity consumption time of accumulator, inverter circuit is inverse relative to existing H bridge
, no matter load is in underloading work or under fully loaded working condition, there is higher efficiency on power transformation road, has significantly joint
Can effect；So its can effectively lightning protection, improve security of system performance, accumulator and can ensure that again electric power storage while being charged
The activity in pond, the life-span of accumulator can be extended, the charge efficiency to accumulator can be improved, extend electricity consumption time, no of accumulator
Opinion load is to have higher efficiency under underloading works or under fully loaded work.
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 that the present invention has in one embodiment of solar air-conditioner system of H bridge inversion；
Fig. 2 is the circuit theory diagrams of charging circuit in described embodiment；
Fig. 3 is the circuit theory diagrams of inverter circuit 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 the present invention has the solar air-conditioner system embodiment of H bridge inversion, this has the solar airconditioning of H bridge inversion
The structural representation of system is as shown in Figure 1.In Fig. 1, this solar air-conditioner system with H bridge inversion includes solaode
PV, controller for solar 1, accumulator BAT and transducer air conditioning 2, wherein, controller for solar 1 includes charging circuit 11, controls
Circuit 12, lightning protection circuit 14 and discharge circuit 13, transducer air conditioning 2 includes inverter circuit 21 and compressor 22, solaode
PV is connected with charging circuit 11, and charging circuit 11 is connected with discharge circuit 13 by control circuit 12, charging circuit 11 and electric discharge
Circuit 13 is also all connected with accumulator BAT, and control circuit 12 is connected with accumulator BAT by lightning protection circuit 14, discharge circuit 13
It is connected with compressor 22 also by inverter circuit 21.Solaode PV is that the radiation of the sun is converted to electric energy, or is sent to store
Battery BAT stores, or promotes transducer air conditioning 2 to work.The effect of controller for solar 1 is that control is whole has H bridge
The duty of the solar air-conditioner system of inversion, and accumulator BAT is played the effect of additives for overcharge protection and over.
The effect of accumulator BAT is the electrical power storage sent by solaode PV when there being illumination, to the when of needs again
Discharge.Transducer air conditioning 2, can speed governing easily as alternating current source.
Controller for solar 1 by its lightning protection circuit 14 can effectively lightning protection, strengthen the lightning protection capability of system, raising system
Security performance, accumulator BAT do not lose solar energy conversion energy on the premise of, improve the charge efficiency of accumulator battery 3
And the efficiency of actual of sun-generated electric power, accumulator BAT can ensure that again the activity of accumulator BAT while being charged,
Avoid accumulator BAT to deposit, thus extend the life-span of accumulator BAT largely.
Fig. 2 is the circuit theory diagrams of charging circuit in the present embodiment, and in Fig. 2, charging circuit 11 includes the 11st resistance
R11, the 12nd resistance R12, the 13rd resistance R13, the 14th resistance R14, the 15th resistance R15, the 16th resistance R16,
17 resistance R17, the 11st electric capacity C11, the 12nd electric capacity C12, the 11st stabilivolt D11, the 11st audion Q11, the tenth
Two audion Q12, the 13rd metal-oxide-semiconductor Q13 and the 14th metal-oxide-semiconductor Q14, wherein, the 11st electric capacity C11 and the 12nd electric capacity C12
Being coupling electric capacity, the 11st electric capacity C11 is used for the interference prevented between the 11st audion Q11 and the 12nd audion Q12,
12nd electric capacity C12 is for preventing the interference between the 12nd audion Q12 and the 14th metal-oxide-semiconductor Q14, the 16th resistance R16
For current-limiting resistance, it is used for carrying out overcurrent protection.In the present embodiment, the 11st audion Q11 is PNP type triode, the 12nd
Pole pipe Q12 is NPN type triode, and the 13rd metal-oxide-semiconductor Q13 and the 14th metal-oxide-semiconductor Q14 is N-channel MOS pipe.Certainly, in this reality
Executing under the certain situation of example, the 11st audion Q11 can also be NPN type triode, and the 12nd audion Q12 can also be
PNP type triode, the 13rd metal-oxide-semiconductor Q13 and the 14th metal-oxide-semiconductor Q14 can also be P-channel metal-oxide-semiconductor, but at this moment charging circuit
Structure to occur to change accordingly.
In the present embodiment, the base stage of the 11st audion Q11 is connected with R11 one end of the 11st resistance, the 11st resistance
The other end of R11 is connected with control circuit 12, and the emitter stage of the 11st audion Q11 connects DC source VDD (high level end),
The colelctor electrode of the 11st audion Q11 by the 12nd resistance R12 respectively with one end and the 13rd resistance of the 11st electric capacity C11
One end of R13 connects, the base stage of the 12nd audion Q12 respectively with the other end and the 14th resistance R14 of the 11st electric capacity C11
One end connect, the colelctor electrode of the 12nd audion Q12 respectively with one end of the 12nd electric capacity C12 and the 15th resistance R15
One end connects, and the other end of the 15th resistance R15 is connected with DC source VDD, and the other end of the 12nd electric capacity C12 passes through the tenth
Seven resistance R17 respectively with grid, the negative electrode of the 11st stabilivolt D11 and the grid of the 14th metal-oxide-semiconductor Q14 of the 13rd metal-oxide-semiconductor Q13
Pole connects, the emitter stage of the 12nd audion Q12 by the 16th resistance R16 respectively with the source electrode of the 13rd metal-oxide-semiconductor Q13, the
The anode of 11 stabilivolt D11 and the source electrode of the 14th metal-oxide-semiconductor Q14 connect, and the anode of the 11st stabilivolt D11 is also with the 14th
The other end of resistance R14 connects, the other end of the 13rd resistance R13 respectively with drain electrode and the solar-electricity of the 13rd metal-oxide-semiconductor Q13
The negative pole PV-in pond connects, and the drain electrode of the 14th metal-oxide-semiconductor Q14 is connected with the negative pole BAT-of accumulator, the positive pole PV of solaode
+ be connected with the positive pole BAT+ of accumulator.
In the present embodiment, the pwm control signal of control circuit 12 realize the management to the charging of accumulator BAT.Work as PWM
When control signal is low level, the 11st audion Q11 and the 12nd audion Q12 cut-off, the 13rd metal-oxide-semiconductor Q13 and the tenth
Four metal-oxide-semiconductor Q14 are under the effect of DC source VDD, in the conduction state, now the negative pole BAT-of accumulator and solaode
Negative pole PV-connect, complete the charging to accumulator BAT.When pwm control signal is high level, the 11st audion Q11 and
12nd audion Q12 conducting, the 13rd metal-oxide-semiconductor Q13 and the 14th metal-oxide-semiconductor Q14 cut-off, the negative pole BAT-of accumulator and the sun
The negative pole PV-of energy battery disconnects, and accumulator BAT is uncharged.This charging circuit 11 and traditional electricity using fast recovery diode
Road is compared, and has higher charge efficiency.Which raises the solaode PV charge efficiency to accumulator BAT, add use
The electricity time.
Fig. 3 is the circuit theory diagrams of inverter circuit in the present embodiment.In Fig. 3, this inverter circuit 21 includes the 51st
IGBT pipe Q51, the 52nd IGBT pipe Q52, the 53rd metal-oxide-semiconductor Q53, the 54th metal-oxide-semiconductor Q54, the 51st diode
D51, the 52nd diode D52, the 53rd diode D53, the 54th diode D54, the 51st resistance R51,
52 resistance R52, the first alternating current AC1, the second alternating current AC2 and alternating current source.Wherein, the 51st IGBT pipe and the 50th
Two IGBT pipe Q52 are the power switch component of upper half-bridge, and the 53rd metal-oxide-semiconductor Q53 and the 54th metal-oxide-semiconductor Q54 is lower half-bridge
Power switch component.51st resistance R51 and the 52nd resistance R52 is current-limiting resistance, is used for carrying out overcurrent protection,
The security performance of raising system.
In the present embodiment, the colelctor electrode of the 51st IGBT pipe Q51 is by the 51st resistance R51 and DC source VDD
Connecting, the anode of the 51st diode D51 and the emitter stage of the 51st IGBT pipe Q51 connect, the 51st diode D51
Negative electrode be connected with DC source VDD, the 51st diode D51 is the protection diode of the 51st IGBT pipe Q51.5th
The colelctor electrode of 12 IGBT pipe Q52 is connected with DC source VDD by the 52nd resistance R52, the 52nd diode D52's
The emitter stage of anode and the 52nd IGBT pipe Q52 connects, and the negative electrode of the 52nd diode D52 is connected with DC source VDD,
52nd diode D52 is the protection diode of the 52nd IGBT pipe Q52.
In the present embodiment, the emitter stage of the 51st IGBT pipe Q51 the most respectively with one end and the 5th of the first alternating current AC1
The drain electrode of 13 metal-oxide-semiconductor Q53 connects, and the source ground of the 53rd metal-oxide-semiconductor Q53, the anode of the 53rd diode D53 connects
Ground, the drain electrode connection of the negative electrode of the 53rd diode D53 and the 53rd metal-oxide-semiconductor Q53, the 53rd diode D53 is the
The protection diode of 53 metal-oxide-semiconductor Q53.The emitter stage of the 52nd IGBT pipe Q52 respectively with one end of the second alternating current AC2
Connecting with the drain electrode of the 54th metal-oxide-semiconductor Q54, the other end of the first alternating current AC1 is by alternating current source and the second alternating current AC2
The other end connects, the source ground of the 54th metal-oxide-semiconductor Q54, the plus earth of the 54th diode D54, and the 54th
The negative electrode of pole pipe D54 and the drain electrode of the 54th metal-oxide-semiconductor Q54 connect.54th diode D54 is the 54th metal-oxide-semiconductor Q54
Protection diode.
When the pwm control signal of control circuit 12 controls the 51st IGBT pipe Q51 conducting, the 52nd IGBT pipe Q52
Turning off, the SPWM control signal of control circuit 12 controls the 54th metal-oxide-semiconductor Q54 conducting simultaneously, the 53rd metal-oxide-semiconductor Q53 closes
Time disconnected, the sense of current by DC source VDD through the 51st IGBT pipe Q51, the first alternating current AC1, alternating current source, the second alternating current
AC2, the 54th metal-oxide-semiconductor Q54 to ground connection GND；When the pwm control signal of control circuit 12 controls the 52nd IGBT pipe Q52
Conducting, the 51st IGBT pipe Q51 turn off；Simultaneously SPWM control signal control the 53rd metal-oxide-semiconductor Q53 conducting, the 54th
Metal-oxide-semiconductor Q54 turn off time, the sense of current by DC source VDD through the 52nd IGBT pipe Q52, the second alternating current AC2, alternating current source,
First alternating current AC1, the 53rd metal-oxide-semiconductor Q53 to ground connection GND；In a cycle period, the electric current that alternating current source flows through is
Exchange.The amplitude of the alternating current that inversion goes out is determined by frequency and the dutycycle of SPWM control signal.
In the present invention, the 51st IGBT pipe Q51 and the 52nd IGBT pipe Q52 of upper arm are only operated in 50Hz, and traditional
In technology, up and down to arm pipe work in same frequency, the present invention and compared with the existing technology greatly reduce the switch of pipe
Frequency, therefore decreases inverter to the electromagnetic interference of electrical network and pollution.
On operation control manner, inverter circuit 21 uses bifrequency (a road high frequency and a road low frequency) control mode.On
51st IGBT pipe Q51 of half-bridge and the 52nd IGBT pipe Q52 is only used as current polarity and controls device, by a PWM control
Signal processed controls the polarity of the sinusoidal ac that inversion goes out, and is operated in power frequency 50Hz；53rd metal-oxide-semiconductor Q53 of lower half-bridge and
54th metal-oxide-semiconductor Q54 carries out SPWM high frequency switching, the 2nd SPWM control signal control the simple alternating current of inverter circuit output
The amplitude of electricity, its operating frequency is at 20kHz～40KHz.
In the present embodiment, inverter circuit 21 also includes the 53rd resistance R53 and the 54th resistance R54, the 53rd
One end of resistance R53 is connected with the emitter stage of the 51st IGBT pipe Q51, the other end and the 50th of the 53rd resistance R53
The drain electrode of three metal-oxide-semiconductor Q53 connects, and one end of the 54th resistance R54 is connected with the emitter stage of the 52nd IGBT pipe Q52, the
The other end of 54 resistance R54 and the drain electrode of the 54th metal-oxide-semiconductor Q54 connect.53rd resistance R53 and the 54th electricity
Resistance R54 is current-limiting resistance, is used for carrying out overcurrent protection, promotes the security performance of system further.
In the present embodiment, this inverter circuit 21 also includes the 55th resistance R55 and the 56th resistance R56, the 50th
One end of five resistance R55 is connected with the source electrode of the 53rd metal-oxide-semiconductor Q53, the other end ground connection of the 55th resistance R55, and the 5th
One end of 16 resistance R56 is connected with the source electrode of the 54th metal-oxide-semiconductor Q54, the other end ground connection of the 56th resistance R56.The
55 resistance R55 and the 56th resistance R56 are current-limiting resistance, are used for carrying out overcurrent protection, further promote system
Security performance.
In the present embodiment, the 51st IGBT pipe Q51 and the 52nd IGBT pipe Q52 is N-type IGBT pipe.53rd
Metal-oxide-semiconductor Q53 and the 54th metal-oxide-semiconductor Q54 is P-channel metal-oxide-semiconductor.Certainly, under the certain situation of the present embodiment, the 51st
IGBT pipe Q51 and the 52nd IGBT pipe Q52 can also manage for p-type IGBT, the 53rd metal-oxide-semiconductor Q53 and the 54th metal-oxide-semiconductor
Q54 can also be N-channel MOS pipe, but at this moment the circuit structure of inverter circuit 21 also to change accordingly.
In a word, due to the fact that and be provided with lightning protection circuit 14, thus can effectively lightning protection, improve security of system performance；Separately
Outward, can ensure that again the activity of accumulator BAT while accumulator BAT is charged, it is to avoid accumulator BAT deposits,
Thus extend the life-span of accumulator BAT largely, filling of the loss of voltage more traditional use diode of charging circuit 11
Electricity circuit reduces nearly half, improves the solaode PV charge efficiency to accumulator BAT, and the more non-PWM of charge efficiency is high
3%-6%, extends the electricity consumption time of accumulator BAT.
51 IGBT pipe Q51 of the upper half-bridge of inverter circuit 21 and the 52nd IGBT pipe Q52 are only used as current polarity
Controlling device, its switching frequency only has 50Hz, takes full advantage of the characteristic of the low conduction voltage drop of big electric current of IGBT pipe, avoids
The weakness of IGBT pipe high frequency characteristics difference, thus reduce the output electromagnetic interference of total losses and inverter.By lower half-bridge the 50th
Three metal-oxide-semiconductor Q53 and the 54th metal-oxide-semiconductor Q54 control the amplitude of the sinusoidal ac of inverter circuit 21 output, its switching frequency work
Making at about 30KHz, the high frequency characteristics and the conduction voltage drop that take full advantage of metal-oxide-semiconductor are linear characteristics, to adapt to AC load
Change and the change of prime DC source power.Compared with the existing technology greatly reduce the switching frequency of pipe, therefore reduce
Inverter is to the electromagnetic interference of electrical network and pollution.
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 (5)
1. a solar air-conditioner system with H bridge inversion, it is characterised in that include solaode, controller for solar,
Accumulator and transducer air conditioning, described controller for solar includes charging circuit, control circuit, lightning protection circuit and discharge circuit,
Described transducer air conditioning includes that inverter circuit and compressor, described solaode are connected with described charging circuit, described charging
Circuit is connected with described discharge circuit by described control circuit, described charging circuit and discharge circuit the most all with described accumulator
Connecting, described control circuit is connected with described accumulator by described lightning protection circuit, and described discharge circuit is also by described inversion
Circuit is connected with described compressor；
Described charging circuit include the 11st resistance, the 12nd resistance, the 13rd resistance, the 14th resistance, the 15th resistance,
16 resistance, the 17th resistance, the 11st electric capacity, the 12nd electric capacity, the 11st stabilivolt, the 11st audion, the 12nd
Pole pipe, the 13rd metal-oxide-semiconductor and the 14th metal-oxide-semiconductor, the base stage of described 11st audion connects with one end of described 11st resistance
Connecing, the other end of described 11st resistance is connected with described control circuit, and the emitter stage of described 11st audion connects direct current
Power supply, the colelctor electrode of described 11st audion by described 12nd resistance respectively with one end of described 11st electric capacity and the
One end of 13 resistance connects, the base stage of described 12nd audion respectively with the other end and the 14th of described 11st electric capacity
One end of resistance connects, the colelctor electrode of described 12nd audion respectively with one end and the 15th resistance of described 12nd electric capacity
One end connect, the other end of described 15th resistance is connected with described DC source, and the other end of described 12nd electric capacity is logical
Cross described 17th resistance respectively with grid, the negative electrode of the 11st stabilivolt and the 14th metal-oxide-semiconductor of described 13rd metal-oxide-semiconductor
Grid connects, the emitter stage of described 12nd audion by described 16th resistance respectively with the source of described 13rd metal-oxide-semiconductor
The source electrode of pole, the anode of the 11st stabilivolt and the 14th metal-oxide-semiconductor connects, and the anode of described 11st stabilivolt is also with described the
The other end of 14 resistance connects, the other end of described 13rd resistance respectively with the drain electrode of described 13rd metal-oxide-semiconductor and described
The negative pole of solaode connects, and the drain electrode of described 14th metal-oxide-semiconductor is connected with the negative pole of described accumulator, described solar-electricity
The positive pole in pond is connected with the positive pole of described accumulator；
Described inverter circuit includes the 51st IGBT pipe, the 52nd IGBT pipe, the 53rd metal-oxide-semiconductor, the 54th MOS
Pipe, the 51st diode, the 52nd diode, the 53rd diode, the 54th diode, the 51st resistance,
52nd resistance, the first alternating current, the second alternating current and alternating current source, the colelctor electrode of described 51st IGBT pipe is by described
51st resistance is connected with described DC source, the anode of described 51st diode and described 51st IGBT pipe
Emitter stage connects, and the negative electrode of described 51st diode is connected with described DC source, the collection of described 52nd IGBT pipe
Electrode is connected with described DC source by described 52nd resistance, the anode and the described 5th of described 52nd diode
The emitter stage of 12 IGBT pipes connects, and the negative electrode of described 52nd diode is connected with described DC source, and the described 50th
The emitter stage of one IGBT pipe is connected with one end of described first alternating current and the drain electrode of the 53rd metal-oxide-semiconductor the most respectively, and described
The source ground of 53 metal-oxide-semiconductors, the plus earth of described 53rd diode, the negative electrode of described 53rd diode with
The drain electrode of described 53rd metal-oxide-semiconductor connects, the emitter stage of described 52nd IGBT pipe respectively with described second alternating current
The drain electrode of one end and the 54th metal-oxide-semiconductor connects, and the other end of described first alternating current passes through described alternating current source and described second
The other end of alternating current connects, the source ground of described 54th metal-oxide-semiconductor, the plus earth of described 54th diode,
The negative electrode of described 54th diode is connected with the drain electrode of described 54th metal-oxide-semiconductor.
The solar air-conditioner system with H bridge inversion the most according to claim 1, it is characterised in that described inverter circuit
Also include the 53rd resistance and the 54th resistance, one end of described 53rd resistance and described 51st IGBT pipe
Emitter stage connects, and the other end of described 53rd resistance is connected with the drain electrode of described 53rd metal-oxide-semiconductor, and the described 54th
One end of resistance is connected with the emitter stage of described 52nd IGBT pipe, the other end and the described 5th of described 54th resistance
The drain electrode of 14 metal-oxide-semiconductors connects.
The solar air-conditioner system with H bridge inversion the most according to claim 2, it is characterised in that described inverter circuit
Also include the 55th resistance and the 56th resistance, one end of described 55th resistance and described 53rd metal-oxide-semiconductor
Source electrode connects, the other end ground connection of described 55th resistance, one end of described 56th resistance and described 54th MOS
The source electrode of pipe connects, the other end ground connection of described 56th resistance.
4. according to the solar air-conditioner system with H bridge inversion described in claims 1 to 3 any one, it is characterised in that institute
State the 51st IGBT pipe and the 52nd IGBT pipe is N-type IGBT pipe.
5. according to the solar air-conditioner system with H bridge inversion described in claims 1 to 3 any one, it is characterised in that institute
State the 53rd metal-oxide-semiconductor and the 54th metal-oxide-semiconductor is P-channel metal-oxide-semiconductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610724750.2A CN106208325A (en) | 2016-08-25 | 2016-08-25 | There is the solar air-conditioner system of H bridge inversion |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610724750.2A CN106208325A (en) | 2016-08-25 | 2016-08-25 | There is the solar air-conditioner system of H bridge inversion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106730352A (en) * | 2016-12-16 | 2017-05-31 | 辽宁工业大学 | A kind of portable heart defibrillator and ecg signal acquiring method based on bluetooth |
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| CN202076807U (en) * | 2010-11-25 | 2011-12-14 | 江苏银佳企业集团有限公司 | Solar charging circuit |
| CN202261070U (en) * | 2011-10-09 | 2012-05-30 | 郑州朗睿科技有限公司 | H-bridge inverter circuit |
| CN205195394U (en) * | 2015-04-28 | 2016-04-27 | 周磊 | Solar air conditioning system with lightning protection solar control ware |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202076807U (en) * | 2010-11-25 | 2011-12-14 | 江苏银佳企业集团有限公司 | Solar charging circuit |
| CN202261070U (en) * | 2011-10-09 | 2012-05-30 | 郑州朗睿科技有限公司 | H-bridge inverter circuit |
| CN205195394U (en) * | 2015-04-28 | 2016-04-27 | 周磊 | Solar air conditioning system with lightning protection solar control ware |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106730352A (en) * | 2016-12-16 | 2017-05-31 | 辽宁工业大学 | A kind of portable heart defibrillator and ecg signal acquiring method based on bluetooth |
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Application publication date: 20161207 |