CN106208327A - There is charging, control and the solar air-conditioner system of photovoltaic inversion function - Google Patents
There is charging, control and the solar air-conditioner system of photovoltaic inversion function Download PDFInfo
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- CN106208327A CN106208327A CN201610726334.6A CN201610726334A CN106208327A CN 106208327 A CN106208327 A CN 106208327A CN 201610726334 A CN201610726334 A CN 201610726334A CN 106208327 A CN106208327 A CN 106208327A
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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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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- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of have charging, control and the solar air-conditioner system of photovoltaic inversion function, 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 that inverter circuit, inverter circuit include the 51st to the 56th IGBT pipe, the 51st to the 52nd electric capacity, the 51st to the 52nd diode, the 51st to the 52nd resistance, the 51st to the 52nd inductance.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, prolongation accumulator the electricity consumption time, have preferable self-startup ability, avoid the occurrence of endless loop state, can suppress leakage current, change efficiency higher.
Description
Technical field
The present invention relates to solar airconditioning field, there is charging, control and photovoltaic inversion function too particularly to a kind of
Sun can air conditioning system.
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.
Meanwhile, traditional solar control circuit uses the mode that accumulator single supply is powered, low-voltage disconnects.This side
Formula there will be an endless loop: if the supply voltage of accumulator is less than the setting voltage of break function, solar control circuit
Will disconnect, and solar control circuit oneself cannot recover automatically, reason is that solar control circuit is only in electric power storage
Cell voltage is sufficiently high when can work, and the luminous energy of output could be charged a battery by solar energy by solar control circuit,
Even if solar energy output has electricity after controller for solar disconnects, but battery tension is inadequate, and controller for solar low-voltage disconnects,
So this part electric energy cannot be charged to inside accumulator, owing to solar energy-electric energy cannot be charged to accumulator, such battery tension
Would not rise, controller for solar would not restart.
Photovoltaic DC-to-AC converter is a kind of power adjusting device being made up of semiconductor device, is mainly used in direct current power to change
Become alternating electromotive force.Typically being made up of boosting loop and inversion bridge type return, wherein, boosting loop is the unidirectional current of solaode
Pressure boosts to the DC voltage needed for inverter output controls；Inversion bridge type return then equivalently turns the DC voltage after boosting
Change the alternating voltage of conventional frequency into.The change of existing photovoltaic 4 pipe full-bridge inverter is inefficient, it is impossible to well suppress electric leakage
Stream.
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
In the life-span, the charge efficiency to accumulator can be improved, extend the electricity consumption time of accumulator, there is preferable self-startup ability, avoid
Occur endless loop state, can suppress leakage current, change efficiency higher have charging, control and the sun of photovoltaic inversion function
Can air conditioning system.
The technical solution adopted for the present invention to solve the technical problems is: it is inverse that structure one has charging, control and photovoltaic
Become function solar air-conditioner system, including solaode, controller for solar, accumulator and transducer air conditioning, described too
Sun can include that charging circuit, control circuit, lightning protection circuit and discharge circuit, described transducer air conditioning include inverter circuit by controller
And compressor, described solaode is connected with described charging circuit, described charging circuit by described control circuit with described
Discharge circuit connects, and described charging circuit and discharge circuit are the most all connected with described accumulator, and described control circuit is by described
Lightning protection circuit is connected with described accumulator, 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 control circuit include solar control port, the 31st diode, the 32nd diode, the 33rd
Diode, the 34th stabilivolt, the 35th diode, the 36th diode, the 37th stabilivolt, the 31st electricity
Resistance, the 32nd resistance, the 33rd resistance, the 31st electric capacity, the 33rd electric capacity, the 31st metal-oxide-semiconductor, integrated voltage-stabilized
Chip and the 31st inductance, the first pin of described solar energy port and the second pin all with the positive pole of described solaode
Connecting, the 3rd pin of described solar energy port and the 4th pin all negative poles with described solaode are connected, the described sun
Second pin of energy port is connected with the described anode of the 31st diode and the anode of the 32nd diode the most respectively, institute
State the anode of the negative electrode of the 32nd diode and the 33rd diode positive pole all with described accumulator to be connected, the described 3rd
The negative electrode of 11 diodes respectively with the negative electrode of described 33rd diode, the negative electrode of the 34th stabilivolt, the 33rd
First pin of one end of resistance, the positive pole of the 31st electric capacity and integrated voltage-stabilized chip connects, described 34th stabilivolt
Anode be connected with described one end of 31st resistance and one end of the 32nd resistance respectively, described 31st metal-oxide-semiconductor
Grid be connected with the other end of described 32nd resistance, the source electrode of described 31st metal-oxide-semiconductor is respectively with the described 30th
The anode of the other end of one resistance, the anode of the 35th diode and the 36th diode connects, and the described 35th
The negative electrode of pole pipe is connected with the 4th pin of described solar energy port, the minus earth of described 36th diode, and described
The drain electrode of 31 metal-oxide-semiconductors is connected with the described other end of the 33rd resistance and the 5th pin of integrated voltage-stabilized chip respectively,
The minus earth of described 31st electric capacity, the 3rd pin ground connection of described integrated voltage-stabilized chip, described integrated voltage-stabilized chip
Second pin is connected with described one end of 31st inductance and the negative electrode of the 37th stabilivolt respectively, described 37th steady
The plus earth of pressure pipe, the other end of described 31st inductance passes through described 33rd capacity earth, described integrated voltage-stabilized
4th pin of chip connects described DC source；
Described inverter circuit include drive control unit, the 51st IGBT pipe, the 52nd IGBT pipe, the 53rd
IGBT pipe, the 54th IGBT pipe, the 55th IGBT pipe, the 56th IGBT pipe, the 51st electric capacity, the 52nd electricity
Appearance, the 51st diode, the 52nd diode, the 51st resistance, the 52nd resistance, the 51st inductance, the 5th
12 inductance and electric main, the two ends of described 51st electric capacity respectively with the positive pole of described accumulator and described accumulator
Negative pole connects, and the emitter stage of described 51st IGBT pipe is connected by the positive pole of described 51st resistance with described accumulator
Connecing, the grid of described 51st IGBT pipe is connected with the first pin of described driving control unit, described 51st IGBT
The colelctor electrode of pipe respectively with emitter stage, the negative electrode of the 51st diode and the 51st inductance of described 52nd IGBT pipe
One end connect, the grid of described 52nd IGBT pipe is connected with the 3rd pin of described driving control unit, the described 5th
The colelctor electrode of 12 IGBT pipes is connected with the described emitter stage of the 53rd IGBT pipe and the anode of the 52nd diode respectively,
The grid of described 53rd IGBT pipe is connected with the second pin of described driving control unit, described 53rd IGBT pipe
Colelctor electrode is connected with the negative pole of described accumulator, the emitter stage of described 54th IGBT pipe by described 52nd resistance with
The positive pole of described accumulator connects, and the grid of described 54th IGBT pipe connects with the second pin of described driving control unit
Connect, the colelctor electrode of described 54th IGBT pipe respectively with the negative electrode of described 52nd diode, the 55th IGBT pipe
One end of emitter stage and the 52nd inductance connects, the of the grid of described 55th IGBT pipe and described driving control unit
Four pins connect, the colelctor electrode of described 55th IGBT pipe respectively with the anode and the 56th of described 51st diode
The emitter stage of IGBT pipe connects, and the grid of described 56th IGBT pipe is connected with the first pin of described driving control unit,
The described colelctor electrode of the 56th IGBT pipe is connected with the negative pole of described accumulator, and the other end of described 51st inductance is respectively
Be connected with described one end of 52nd electric capacity and one end of electric main, the other end of described 52nd inductance respectively with institute
The other end of the other end and described electric main of stating the 52nd electric capacity connects.
In the solar air-conditioner system with charging, control and photovoltaic inversion function of the present invention, described inversion
Circuit also includes the 53rd resistance and the 54th resistance, one end of described 53rd resistance and described 51st IGBT
The colelctor electrode of pipe connects, and the other end of described 53rd resistance is connected with the emitter stage of described 52nd IGBT pipe, described
One end of 54th resistance is connected with the colelctor electrode of described 54th IGBT pipe, the other end of described 54th resistance with
The emitter stage of described 55th IGBT pipe connects.
In the solar air-conditioner system with charging, control and photovoltaic inversion function of the present invention, described inversion
Circuit also includes the 55th resistance and the 56th resistance, one end of described 55th resistance and described 52nd IGBT
The colelctor electrode of pipe connects, and the other end of described 55th resistance is connected with the emitter stage of described 53rd IGBT pipe, described
One end of 56th resistance is connected with the colelctor electrode of described 55th IGBT pipe, the other end of described 56th resistance with
The emitter stage of described 56th IGBT pipe connects.
In the solar air-conditioner system with charging, control and photovoltaic inversion function of the present invention, described inversion
Circuit also includes the 57th resistance and the 58th resistance, one end of described 57th resistance and described 53rd IGBT
The colelctor electrode of pipe connects, and the described other end of the 57th resistance is connected with the negative pole of described accumulator, described 58th electricity
One end of resistance is connected with the colelctor electrode of described 56th IGBT pipe, the other end of described 58th resistance and described accumulator
Negative pole connect.
In the solar air-conditioner system with charging, control and photovoltaic inversion function of the present invention, the described 5th
11 IGBT pipes, the 52nd IGBT pipe, the 53rd IGBT pipe, the 54th IGBT pipe, the 55th IGBT pipe and the 5th
16 IGBT pipes are N-channel insulated gate bipolar transistor.
In the solar air-conditioner system with charging, control and photovoltaic inversion function of the present invention, described driving
First pin of control unit and the second pin produce high-frequency driving signal, the 3rd pin and the 4th of described driving control unit
Pin produces low frequency drive signal.
In the solar air-conditioner system with charging, control and photovoltaic inversion function of the present invention, described low frequency
The frequency driving signal is 50Hz.
That implements the present invention has charging, control and the solar air-conditioner system of photovoltaic inversion function, has following useful
Effect: owing to being provided with lightning protection circuit, thus can effectively lightning protection, improve security of system performance；It addition, accumulator is charged
While can ensure that again the activity of accumulator, it is to avoid accumulator deposits, thus extends accumulator largely
Life-span, the charging circuit of the loss of voltage more traditional use diode of charging circuit reduces nearly half, improves solar-electricity
The pond charge efficiency to accumulator, charge efficiency more non-PWM height 3%-6%, extend the electricity consumption time of accumulator, control circuit
Having good self-startup ability, it is to avoid the endless loop state often occurred in prior art, inverter circuit uses six IGBT
Pipe, transformation efficiency is higher, when the IGBT pipe of high frequency turns off, by the afterflow of diode, effectively inhibits inverter circuit
Leakage current；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 the electricity consumption time of accumulator, tool
Have preferable self-startup ability, avoid the occurrence of endless loop state, can suppress leakage current, change efficiency higher.
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 that the present invention has charging, controls and in one embodiment of solar air-conditioner system of photovoltaic inversion function
Structural representation；
Fig. 2 is the circuit theory diagrams of charging circuit in described embodiment；
Fig. 3 is the circuit theory diagrams of control circuit in described embodiment；
Fig. 4 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.
Having charging in the present invention, control and in the solar air-conditioner system embodiment of photovoltaic inversion function, this has and fills
The structural representation of the solar air-conditioner system of electricity, control and photovoltaic inversion function is as shown in Figure 1.In Fig. 1, this have charging,
Control and the solar air-conditioner system of photovoltaic inversion function include solaode PV, controller for solar 1, accumulator BAT and
Transducer air conditioning 2, wherein, controller for solar 1 includes charging circuit 11, control circuit 12, lightning protection circuit 14 and discharge circuit
13, transducer air conditioning 2 includes inverter circuit 21 and compressor 22, and solaode PV is connected with charging circuit 11, charging circuit
11 are connected with discharge circuit 13 by control circuit 12, and charging circuit 11 and discharge circuit 13 are also all connected with accumulator BAT, control
Circuit 12 processed is connected with accumulator BAT by lightning protection circuit 14, and discharge circuit 13 is also by inverter circuit 21 with compressor 22 even
Connect.Solaode PV is that the radiation of the sun is converted to electric energy, or is sent in accumulator BAT store, or promotes frequency conversion
Air-conditioner 2 works.The effect of controller for solar 1 is that control is whole has charging, control and the solar energy of photovoltaic inversion function
The duty of air conditioning system, and accumulator BAT is played the effect of additives for overcharge protection and over.Accumulator BAT
Effect is the electrical power storage sent by solaode PV when there being illumination, discharges the when of to needs again.Become
Frequently air-conditioner 2 is as AC load, can speed governing easily.
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 control circuit in the present embodiment.In Fig. 3, control circuit 12 includes solar control end
Mouth XS1, the 31st diode D31, the 32nd diode D32, the 33rd diode D33, the 34th stabilivolt
D34, the 35th diode D35, the 36th diode D36, the 37th stabilivolt D37, the 31st resistance R31,
32 resistance R32, the 33rd resistance R33, the 31st electric capacity C31, the 33rd electric capacity C33, the 31st metal-oxide-semiconductor
Q31, integrated voltage-stabilized chip U31 and the 31st inductance L31, wherein, the 31st diode D31 and the 33rd diode
D33 non-counnter attack diode, the 32nd diode D32 is thyristor, and the 32nd resistance R32 is current-limiting resistance, uses
In carrying out overcurrent protection.In the present embodiment, the 31st metal-oxide-semiconductor Q31 is N-channel MOS pipe, certainly, in some of the present embodiment
In the case of, the 31st metal-oxide-semiconductor Q31 can also be P-channel metal-oxide-semiconductor, but at this moment the structure of control circuit to change accordingly.
In the present embodiment, first pin of solar energy port x S1 and the second pin are all with the positive pole PV+ of solaode even
Connecing, the 3rd pin of solar energy port x S1 and the 4th pin all negative poles with solaode PV-are connected, solar energy port x S1
The second pin be connected with the anode of the 31st diode D31 and the anode of the 32nd diode D32 the most respectively, the 30th
The negative electrode of two diode D32 and the anode of the 33rd diode D33 are all connected with the positive pole BAT+ of accumulator, and the 31st
The negative electrode of pole pipe D31 respectively with the negative electrode of the 33rd diode D32, the negative electrode of the 34th stabilivolt D34, the 33rd electricity
First pin of resistance one end of R33, the positive pole of the 31st electric capacity C31 and integrated voltage-stabilized chip U31 connects, the 34th voltage stabilizing
The anode of pipe D34 is connected with one end of the 31st resistance R31 and one end of the 32nd resistance R32 respectively.31st electricity
Hold C31 and can increase the stability of circuit, eliminate power-supply fluctuation.
In the present embodiment, the grid of the 31st metal-oxide-semiconductor Q31 and the other end of the 32nd resistance R32 connect, and the 30th
The source electrode of one metal-oxide-semiconductor Q31 respectively with the other end, the anode and the 30th of the 35th diode D35 of the 31st resistance R31
The anode of six diode D36 connects, and the negative electrode of the 35th diode D35 is connected with the 4th pin of solar energy port x S1, the
The minus earth of 36 diode D36, the drain electrode of the 31st metal-oxide-semiconductor Q31 respectively with the other end of the 33rd resistance R33
Connect with the 5th pin of integrated voltage-stabilized chip U31, the minus earth of the 31st electric capacity C31, the of integrated voltage-stabilized chip U6
Three pin ground connection, second pin of integrated voltage-stabilized chip U31 respectively with one end and the 37th voltage stabilizing of the 31st inductance L31
The negative electrode of pipe D37 connects, the plus earth of the 37th stabilivolt D37, and the other end of the 31st inductance L31 passes through the 30th
Three electric capacity C33 ground connection, the 4th pin of integrated voltage-stabilized chip U31 connects DC source VDD.
The positive pole PV+ of solaode exports battery positive voltage BAT+ through the 32nd diode D32, solar-electricity
The positive pole PV+ in pond is connected to through the 31st diode D31, battery positive voltage BAT+ through the 33rd diode D33
The negative electrode of 34 stabilivolt D34, arrives separately at earth terminal after the 34th stabilivolt D34 and the 31st resistance R31
The negative pole PV-of GND and solaode, in order to prevent electric current reverse, the 31st resistance R31 ground connection be connected to solar energy
It is respectively equipped with the 35th diode D35, the 36th diode D36, the positive pole of solaode before the negative pole PV-of battery
The positive pole BAT+ of PV+ and accumulator is respectively by being all connected to collection after the 31st diode D31 and the 33rd diode D33
The first pin becoming voltage stabilizing chip U31 provides working power for it.
When 5th pin of integrated voltage-stabilized chip U31 is low level, system is operated；The of integrated voltage-stabilized chip U31
When five pins are high level, system does not works；Between grid and the source electrode of the 31st metal-oxide-semiconductor Q31, voltage is more than (example during VDD
As: when VDD equal to 5V time, i.e. Vgs > 5V), the 31st metal-oxide-semiconductor Q31 conducting, the now drain electrode of the 31st metal-oxide-semiconductor Q31 with
Source conduction, the 5th pin ground connection of integrated voltage-stabilized chip U31, for low level, system is in running order；31st MOS
Between grid and the source electrode of pipe Q31, voltage is less than (such as: when VDD is equal to 5V, i.e. Vgs < 5V) during VDD, the 31st metal-oxide-semiconductor
Q31 ends, and the drain electrode of the 31st metal-oxide-semiconductor Q31 cut-off ends with source electrode, and the 5th pin of integrated voltage-stabilized chip U31 is high electricity
Flat, system is in off position.34th stabilivolt D34 its voltage in the range of reasonable reverse current is constant.This
Bright can effectively lightning protection, improve security of system performance, accumulator and can ensure that again the activity of accumulator, energy while being charged
Extend accumulator life-span, can improve the charge efficiency to accumulator, extend accumulator the electricity consumption time, have preferable oneself open
Kinetic force, avoid the occurrence of endless loop state.
In the present embodiment, control circuit 12 also includes the 32nd electric capacity C32, one end of the 32nd electric capacity C32 and the
The drain electrode of 31 metal-oxide-semiconductor Q31 connects, and the other end of the 32nd electric capacity C32 connects with the 5th pin of integrated voltage-stabilized chip U31
Connect.32nd electric capacity C32 is for preventing the interference between the 31st metal-oxide-semiconductor Q31 and integrated voltage-stabilized chip U31.
In the present embodiment, control circuit 12 also includes the 34th resistance R34, one end of the 34th resistance R34 and the
The negative electrode of 31 diode D31 connects, the other end of the 34th resistance R34 and first pin of integrated voltage-stabilized chip U31
Connect.In the present embodiment, control circuit 12 also includes the 35th resistance R35, one end of the 35th resistance R35 with integrated surely
4th pin of pressure chip U31 connects, and the other end of the 35th resistance R35 is connected with DC source VDD.34th resistance
R34 and the 35th resistance R35 is current-limiting resistance, is used for carrying out overcurrent protection.
In the present embodiment, control circuit 12 also includes the 36th resistance R36, one end of the 36th resistance R36 and collection
The second pin becoming voltage stabilizing chip U31 connects, and the other end of the 36th resistance R36 and one end of the 31st inductance L31 are even
Connect.36th resistance R36 current-limiting resistance, is used for carrying out overcurrent protection.
Fig. 4 is the circuit theory diagrams of inverter circuit in the present embodiment.In Fig. 4, this inverter circuit 21 includes driving control single
Unit, the 51st IGBT pipe Q51, the 52nd IGBT pipe Q52, the 53rd IGBT pipe Q53, the 54th IGBT pipe Q54,
55 IGBT pipe Q55, the 56th IGBT pipe Q56, the 51st electric capacity C41, the 52nd electric capacity C42, the 51st
Pole pipe D51, the 52nd diode D52, the 51st resistance R51, the 52nd resistance R52, the 51st inductance L51,
52 inductance L52 and electric main AC.Wherein, the 51st resistance R51 and the 52nd resistance R52 is current-limiting resistance,
For carrying out overcurrent protection.51st electric capacity C41 is bus capacitor, and the 52nd electric capacity C42 is output filter capacitor, the 5th
11 diode D51 and the 52nd diode D52 are fly-wheel diode, the 51st inductance L51 and the 52nd inductance L52
For output inductor.In the present embodiment, the 51st IGBT pipe Q51, the 52nd IGBT pipe Q52, the 53rd IGBT pipe
Q53, the 54th IGBT pipe Q54, the 55th IGBT pipe Q55 and the 56th IGBT pipe Q56 are N-channel insulated gate bipolar
Transistor npn npn.
Wherein, the two ends of the 51st electric capacity C41 respectively with the positive pole BAT+ (being also the positive pole of bus) of accumulator and storing
The negative pole BAT-(being also the negative pole of bus) of battery connects, and the emitter stage of the 51st IGBT pipe Q51 passes through the 51st resistance
R51 is connected with the positive pole BAT+ of accumulator, the grid of the 51st IGBT pipe Q51 and the first pin driving control unit
SPWM1 connects, the colelctor electrode of the 51st IGBT pipe Q51 respectively with the emitter stage of the 52nd IGBT pipe Q52, the 51st
The negative electrode of pole pipe D51 and one end of the 51st inductance L51 connect, and the grid of the 52nd IGBT pipe Q52 controls list with driving
3rd pin SPWM3 of unit connects, the colelctor electrode of the 52nd IGBT pipe Q52 respectively with the transmitting of the 53rd IGBT pipe Q53
The anode of pole and the 52nd diode D52 connects, and the grid of the 53rd IGBT pipe Q53 draws with drive control unit second
Foot SPWM2 connects, and the colelctor electrode of the 53rd IGBT pipe Q53 is connected with the negative pole BAT-of accumulator.
In the present embodiment, the emitter stage of the 54th IGBT pipe Q54 is by the positive pole of the 52nd resistance R52 with accumulator
BAT+ connects, and the grid of the 54th IGBT pipe Q54 is connected with the second pin SPWM2 driving control unit, and the 54th
The colelctor electrode of IGBT pipe Q54 respectively with negative electrode, the emitter stage of the 55th IGBT pipe Q55 and of the 52nd diode D52
One end of 52 inductance L52 connects, the grid of the 55th IGBT pipe Q55 and the 4th pin SPWM4 driving control unit
Connect, the colelctor electrode of the 55th IGBT pipe Q55 respectively with the anode of the 51st diode D51 and the 56th IGBT pipe
The emitter stage of Q56 connects, and the grid of the 56th IGBT pipe Q56 is connected with the first pin SPWM1 driving control unit, and the 5th
The colelctor electrode of 16 IGBT pipe Q56 is connected with the negative pole BAT-of accumulator, and the other end of the 51st inductance L51 is respectively with the 5th
One end of 12 electric capacity C41 and one end of electric main AC connect, and the other end of the 52nd inductance L52 is respectively with the 52nd
The other end of electric capacity C42 and the other end of electric main AC connect.
In the present embodiment, the first pin SPWM1 and the second pin SPWM2 of control unit is driven to produce high-frequency drive letter
Number, drive the 3rd pin SPWM3 and the 4th pin SPWM4 of control unit to produce low frequency drive signal, produced low frequency drives
The frequency of dynamic signal is 50Hz.
In the present embodiment, the DC source that the input of inverter circuit 21 provides for accumulator BAT, inverter circuit 21 defeated
Going out to terminate electric main AC, output filtering takes LC to filter.This inverter circuit 21 uses six IGBT to manage (the i.e. the 51st IGBT
Pipe Q51, the 52nd IGBT pipe Q52, the 53rd IGBT pipe Q53, the 54th IGBT pipe Q54, the 55th IGBT pipe Q55
With the 56th IGBT pipe Q56), transformation efficiency is higher, when the IGBT pipe of high frequency turns off, by diode the (the 52nd
Pole pipe D52) afterflow, effectively inhibit the leakage current of inverter circuit 21.
Time in running order, when being in positive half cycle, the 52nd IGBT pipe Q52, the 53rd IGBT pipe Q53 and
54 IGBT pipe Q54 turn off, and the 55th IGBT pipe Q55 turns on all the time, the 51st IGBT pipe Q51 and the 56th IGBT
Pipe Q56 works in high frequency and opens off state.The loop now constituted is: bus, the 51st IGBT pipe Q51, the 51st
Inductance L51, electric main AC, the 52nd inductance L52, the 55th IGBT pipe Q55, the 56th IGBT pipe Q56, bus.
Wherein, the signal that drives of the 51st IGBT pipe Q51 and the 56th IGBT pipe Q56 both is from driving the first of control unit
The high-frequency signal that pin SPWM1 produces, the driving signal of the 55th IGBT pipe Q55 comes from the 4th of driving control unit and draws
The low frequency signal that foot SPWM4 produces.
When the 51st IGBT pipe Q51 and the 56th IGBT pipe Q56 is operated in off state, now the 55th
IGBT pipe Q55 turns on, and by the 52nd diode D52 afterflow, the loop now constituted is: the 51st inductance L51, exchange
Civil power AC, the 52nd inductance L52, the 55th IGBT pipe Q55, the 51st diode D51, the 51st inductance L51.
When being in negative half period, the 51st IGBT pipe Q51, the 55th IGBT pipe Q55 and the 56th IGBT pipe Q56
Turning off, the 52nd IGBT pipe Q52 turns on all the time, and the 53rd IGBT pipe Q53 and the 54th IGBT pipe Q54 works in high frequency
Open off state.The loop now constituted is: bus, the 54th IGBT pipe Q54, the 52nd inductance L52, electric main
AC, the 51st inductance L51, the 52nd IGBT pipe Q52, the 53rd IGBT pipe Q53, bus.Wherein, the 53rd IGBT
The signal that drives of pipe Q53 and the 54th IGBT pipe Q54 both is from the height driving the first pin SPWM1 of control unit to produce
Frequently signal, the signal that drives of the 52nd IGBT pipe Q52 comes from the low frequency driving the 3rd pin SPWM3 of control unit to produce
Signal.When the 53rd IGBT pipe Q53 and when being operated in off state of the 54th IGBT pipe Q54, now the 55th
IGBT pipe Q55 turns on, and by the 52nd diode D52 afterflow, the loop now constituted is: the 52nd inductance L52, exchange
Civil power AC, the 51st inductance L51, the 55th IGBT pipe Q5, the 52nd diode D52, the 52nd inductance L52.
In the present embodiment, inverter circuit 21 also includes the 53rd resistance R53 and the 54th resistance R54, wherein, the 5th
One end of 13 resistance R53 is connected with the colelctor electrode of the 51st IGBT pipe Q51, the other end of the 53rd resistance R53 and
The emitter stage of 52 IGBT pipe Q52 connects, one end of the 54th resistance R54 and the colelctor electrode of the 54th IGBT pipe Q54
Connecting, the other end of the 54th resistance R54 and the emitter stage of the 55th IGBT pipe Q55 connect.53rd resistance R53 and
54th resistance R54 is current-limiting resistance, is used for carrying out overcurrent protection.
In the present embodiment, this inverter circuit 21 also includes the 55th resistance R55 and the 56th resistance R56, wherein,
One end of 55 resistance R55 is connected with the colelctor electrode of the 52nd IGBT pipe Q52, the other end of the 55th resistance R55 with
The emitter stage of the 53rd IGBT pipe Q53 connects, one end of the 56th resistance R56 and the current collection of the 55th IGBT pipe Q55
Pole connects, and the other end of the 56th resistance R56 and the emitter stage of the 56th IGBT pipe Q56 connect.55th resistance R55
It is current-limiting resistance with the 56th resistance R56, is used for carrying out overcurrent protection.
In the present embodiment, this inverter circuit 21 also includes the 57th resistance R57 and the 58th resistance R58, the 50th
One end of seven resistance R57 is connected with the colelctor electrode of the 53rd IGBT pipe Q53, the other end of the 57th resistance R57 and electric power storage
The negative pole BAT-in pond connects, and one end of the 58th resistance R58 is connected with the colelctor electrode of the 56th IGBT pipe Q56, and the 50th
The other end of eight resistance R58 is connected with the negative pole BAT-of accumulator.57th resistance R57 and the 58th resistance R58 is
Current-limiting resistance, is used for carrying out overcurrent protection.
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, control circuit 12 has good self-startup ability, it is to avoid existing skill
The endless loop state often occurred in art, inverter circuit 21 uses six IGBT pipes, and transformation efficiency is higher, when the IGBT pipe of high frequency closes
Time disconnected, by the afterflow of diode, effectively inhibit the leakage current of inverter circuit 21.
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. one kind has charging, control and the solar air-conditioner system of photovoltaic inversion function, it is characterised in that include solar-electricity
Pond, 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 inverter circuit and compressor, described solaode and described charged electrical
Road connects, and described charging circuit is connected with described discharge circuit by described control circuit, described charging circuit and discharge circuit
The most all being connected with described accumulator, described control circuit is connected with described accumulator by described lightning protection circuit, described electric discharge electricity
Road is connected with described compressor also by described inverter circuit；
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 control circuit includes solar control port, the 31st diode, the 32nd diode, the 33rd pole
Pipe, the 34th stabilivolt, the 35th diode, the 36th diode, the 37th stabilivolt, the 31st resistance,
32nd resistance, the 33rd resistance, the 31st electric capacity, the 33rd electric capacity, the 31st metal-oxide-semiconductor, integrated voltage-stabilized core
Sheet and the 31st inductance, the first pin of described solar energy port and the second pin are all with the positive pole of described solaode even
Connecing, the 3rd pin of described solar energy port and the 4th pin all negative poles with described solaode are connected, described solar energy
Second pin of port is connected with the described anode of the 31st diode and the anode of the 32nd diode the most respectively, described
The negative electrode of the 32nd diode and the anode of the 33rd diode all positive poles with described accumulator are connected, and the described 30th
The negative electrode of one diode respectively with the negative electrode of described 33rd diode, the negative electrode of the 34th stabilivolt, the 33rd electricity
First pin of one end, the positive pole of the 31st electric capacity and the integrated voltage-stabilized chip of resistance connects, described 34th stabilivolt
Anode is connected with described one end of 31st resistance and one end of the 32nd resistance respectively, described 31st metal-oxide-semiconductor
Grid is connected with the other end of described 32nd resistance, and the source electrode of described 31st metal-oxide-semiconductor is respectively with the described 31st
The anode of the other end of resistance, the anode of the 35th diode and the 36th diode connects, described 35th pole
The negative electrode of pipe is connected with the 4th pin of described solar energy port, the minus earth of described 36th diode, and the described 3rd
The drain electrode of 11 metal-oxide-semiconductors is connected with the described other end of the 33rd resistance and the 5th pin of integrated voltage-stabilized chip respectively, institute
State the minus earth of the 31st electric capacity, the 3rd pin ground connection of described integrated voltage-stabilized chip, the of described integrated voltage-stabilized chip
Two pins are connected with described one end of 31st inductance and the negative electrode of the 37th stabilivolt respectively, described 37th voltage stabilizing
The plus earth of pipe, the other end of described 31st inductance passes through described 33rd capacity earth, described integrated voltage-stabilized core
4th pin of sheet connects described DC source；
Described inverter circuit includes driving control unit, the 51st IGBT pipe, the 52nd IGBT pipe, the 53rd IGBT
Pipe, the 54th IGBT pipe, the 55th IGBT pipe, the 56th IGBT pipe, the 51st electric capacity, the 52nd electric capacity,
51 diodes, the 52nd diode, the 51st resistance, the 52nd resistance, the 51st inductance, the 52nd electricity
Sense and electric main, the two ends of described 51st electric capacity are respectively with the negative pole of the positive pole of described accumulator and described accumulator even
Connecing, the emitter stage of described 51st IGBT pipe is connected with the positive pole of described accumulator by described 51st resistance, described
The grid of the 51st IGBT pipe is connected with the first pin of described driving control unit, the current collection of described 51st IGBT pipe
Pole is respectively with one end of emitter stage, the negative electrode of the 51st diode and the 51st inductance of described 52nd IGBT pipe even
Connecing, the grid of described 52nd IGBT pipe is connected with the 3rd pin of described driving control unit, described 52nd IGBT
The colelctor electrode of pipe is connected with the described emitter stage of the 53rd IGBT pipe and the anode of the 52nd diode respectively, and the described 5th
The grid of 13 IGBT pipes is connected with the second pin of described driving control unit, the colelctor electrode of described 53rd IGBT pipe with
The negative pole of described accumulator connects, and the emitter stage of described 54th IGBT pipe is by described 52nd resistance and described electric power storage
The positive pole in pond connects, and the grid of described 54th IGBT pipe is connected with the second pin of described driving control unit, and described the
The colelctor electrode of 54 IGBT pipes respectively with negative electrode, the emitter stage of the 55th IGBT pipe and of described 52nd diode
One end of 52 inductance connects, and the grid of described 55th IGBT pipe connects with the 4th pin of described driving control unit
Connect, the colelctor electrode of described 55th IGBT pipe respectively with the anode of described 51st diode and the 56th IGBT pipe
Emitter stage connects, and the grid of described 56th IGBT pipe is connected with the first pin of described driving control unit, and the described 5th
The colelctor electrode of 16 IGBT pipes is connected with the negative pole of described accumulator, and the other end of described 51st inductance is respectively with described
One end of 52 electric capacity and one end of electric main connect, and the other end of described 52nd inductance is respectively with the described 50th
The other end of two electric capacity and the other end of described electric main connect.
The most according to claim 1 have charging, control and the solar air-conditioner system of photovoltaic inversion function, and its feature exists
In, described inverter circuit also includes the 53rd resistance and the 54th resistance, and one end of described 53rd resistance is with described
The colelctor electrode of the 51st IGBT pipe connects, the other end of described 53rd resistance and the transmitting of described 52nd IGBT pipe
Pole connects, and one end of described 54th resistance is connected with the colelctor electrode of described 54th IGBT pipe, described 54th electricity
The other end of resistance is connected with the emitter stage of described 55th IGBT pipe.
The most according to claim 2 have charging, control and the solar air-conditioner system of photovoltaic inversion function, and its feature exists
In, described inverter circuit also includes the 55th resistance and the 56th resistance, and one end of described 55th resistance is with described
The colelctor electrode of the 52nd IGBT pipe connects, the other end of described 55th resistance and the transmitting of described 53rd IGBT pipe
Pole connects, and one end of described 56th resistance is connected with the colelctor electrode of described 55th IGBT pipe, described 56th electricity
The other end of resistance is connected with the emitter stage of described 56th IGBT pipe.
4. according to described in claims 1 to 3 any one have charging, control and the solar airconditioning system of photovoltaic inversion function
System, it is characterised in that described inverter circuit also includes the 57th resistance and the 58th resistance, described 57th resistance
One end is connected with the colelctor electrode of described 53rd IGBT pipe, and the other end of described 57th resistance is negative with described accumulator
Pole connects, and one end of described 58th resistance is connected with the colelctor electrode of described 56th IGBT pipe, described 58th electricity
The other end of resistance is connected with the negative pole of described accumulator.
The most according to claim 4 have charging, control and the solar air-conditioner system of photovoltaic inversion function, and its feature exists
In, described 51st IGBT pipe, the 52nd IGBT pipe, the 53rd IGBT pipe, the 54th IGBT pipe, the 55th
IGBT pipe and the 56th IGBT pipe are N-channel insulated gate bipolar transistor.
The most according to claim 4 have charging, control and the solar air-conditioner system of photovoltaic inversion function, and its feature exists
High-frequency driving signal is produced, the of described driving control unit in, the first pin of described driving control unit and the second pin
Three pins and the 4th pin produce low frequency drive signal.
The most according to claim 6 have charging, control and the solar air-conditioner system of photovoltaic inversion function, and its feature exists
In, the frequency of described low frequency drive signal is 50Hz.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610726334.6A CN106208327A (en) | 2016-08-25 | 2016-08-25 | There is charging, control and the solar air-conditioner system of photovoltaic inversion function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610726334.6A CN106208327A (en) | 2016-08-25 | 2016-08-25 | There is charging, control and the solar air-conditioner system of photovoltaic inversion function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110011386A (en) * | 2019-05-08 | 2019-07-12 | 四川莱福德科技有限公司 | Battery charger and charger |
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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 |
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| CN204068347U (en) * | 2014-08-11 | 2014-12-31 | 安徽四创电子股份有限公司 | A kind of solar control 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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| CN202076807U (en) * | 2010-11-25 | 2011-12-14 | 江苏银佳企业集团有限公司 | Solar charging circuit |
| CN202535290U (en) * | 2012-04-05 | 2012-11-14 | 苏州风云电源有限公司 | Photovoltaic inverter circuit |
| CN204068347U (en) * | 2014-08-11 | 2014-12-31 | 安徽四创电子股份有限公司 | A kind of solar control circuit |
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Application publication date: 20161207 |