CN106300597A - There is the solar airconditioning control system of self discharge, scalable inversion and lightning protection - Google Patents
There is the solar airconditioning control system of self discharge, scalable inversion and lightning protection Download PDFInfo
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- CN106300597A CN106300597A CN201610724164.8A CN201610724164A CN106300597A CN 106300597 A CN106300597 A CN 106300597A CN 201610724164 A CN201610724164 A CN 201610724164A CN 106300597 A CN106300597 A CN 106300597A
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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
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device
-
- 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 solar airconditioning control system with self discharge, scalable inversion and lightning protection, 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 and compressor, and inverter circuit includes the 51st to the 53rd resistance, the 51st to the 52nd slide rheostat, the 51st inductance, the 51st to the 52nd electric capacity, the 51st audion, the 51st to the 52nd transformator；Lightning protection circuit includes the 61st fuse, the 61st to the 62nd resistance, the first to the second varistor, the 61st diode and the 62nd light emitting diode.The present invention can effectively lightning protection, improve security of system performance, can be greatly shortened discharge time, save system energy consumption, circuit structure is simple, small volume, cost are relatively low, can realize good lightning protection effect.
Description
Technical field
The present invention relates to solar airconditioning field, there is self discharge, scalable inversion and lightning protection too particularly to a kind of
Sun can air-conditioner control 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.
Traditional discharge circuit is directly at one discharge resistance of the two ends of energy storage or filter capacitor parallel connection, when circuit disconnects
During power supply, the electric charge that electric capacity is remained by discharge resistance consumption.Owing to discharge resistance is directly parallel on electric capacity, work as circuit ON
When power supply is in running order, discharge resistance is constantly in discharge condition, consumes power supply energy and causes circuit to generate heat, particularly
In high-pressure system, supply voltage is higher, and the resistance of discharge resistance is relatively big, and its electric discharge duration can be from a few minutes to ten a few minutes, so
It is possible to cause potential safety hazard, such as, during Measuring error, cannot determine that this equipment discharges the most completely, therefore actual application be wanted
Ask the discharge time of electricity more than circuit the shortest.When suitably the resistance of reduction discharge resistance can shorten power-off during remaining discharge of electricity
Between, but power consumption will increase.Therefore resistance value its power consumption the least is the biggest, and resistance value is long for its discharge time the biggest.
Inverter circuit in solar air-conditioner system is relative complex, bulky at present, is not suitable for carrying with out of doors
Use.
The structure of the lightning protection circuit that existing solar air-conditioner system is used is complex, relatively costly, the most not
Conveniently safeguard, it addition, its lightning protection effect is the most not ideal.
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, improve security of system performance, discharge time can be greatly shortened, save that system energy consumption, circuit structure be simple, small volume, one-tenth
Basis is the most relatively low, can realize the solar airconditioning control system with self discharge, scalable inversion and lightning protection of good lightning protection effect.
The technical solution adopted for the present invention to solve the technical problems is: structure one has self discharge, scalable inversion
With the solar airconditioning control system of lightning protection, including solaode, controller for solar, accumulator and transducer air conditioning, institute
State controller for solar and include that charging circuit, control circuit, lightning protection circuit and discharge circuit, described transducer air conditioning include inversion
Circuit 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 passed through
Described lightning protection circuit is connected with described accumulator, and described discharge circuit is connected with described compressor also by described inverter circuit；
Described discharge circuit includes the 41st fuse, the 41st switch, the 41st diode, the 41st continues
Electrical equipment, the 41st resistance, the 42nd resistance, the 43rd resistance, the 44th resistance, the 45th discharge resistance,
41 electric capacity, the 42nd electric capacity, the 43rd electrochemical capacitor, the 41st audion, the 42nd audion, the 40th
Three metal-oxide-semiconductors, the 44th metal-oxide-semiconductor, the 45th metal-oxide-semiconductor, the 46th metal-oxide-semiconductor, the 47th metal-oxide-semiconductor and the 48th MOS
Pipe, described one end of 41st fuse is connected with the positive pole of described accumulator, the other end of described 41st fuse
Being connected with the anode of described 41st diode by described 41st switch, the positive pole of described accumulator is also by described
The contact of the 41st relay respectively with one end of described 43rd resistance, one end of the 45th discharge resistance, the 4th
One end of 13 electrochemical capacitors, the drain electrode of the 43rd metal-oxide-semiconductor, the drain electrode of the 45th metal-oxide-semiconductor, the leakage of the 47th metal-oxide-semiconductor
Pole connect, the negative electrode of described 41st diode by described 41st resistance respectively with the one of described 41st electric capacity
One end of end and the 42nd resistance connects, the other end ground connection of described 42nd resistance, described 41st audion
Base stage is connected with the other end of described 41st electric capacity, and the colelctor electrode of described 41st audion is respectively with the described 40th
One end of two electric capacity and the other end of the 43rd resistance connect, and the emitter stage of described 41st audion passes through the described 4th
14 resistance eutral groundings, the base stage of described 42nd audion and the other end ground connection of described 42nd electric capacity, the described 4th
The colelctor electrode of 12 audions is connected with the other end of described 45th discharge resistance, the transmitting of described 42nd audion
Pole ground connection, the other end ground connection of described 43rd electrochemical capacitor, the source electrode and the described 44th of described 43rd metal-oxide-semiconductor
The drain electrode of metal-oxide-semiconductor connects, and the source electrode of described 45th metal-oxide-semiconductor is connected with the drain electrode of described 46th metal-oxide-semiconductor, and the described 4th
The source electrode of 17 metal-oxide-semiconductors is connected with the drain electrode of described 48th metal-oxide-semiconductor, the source electrode of described 44th metal-oxide-semiconductor, the 46th
The source electrode of metal-oxide-semiconductor and the source grounding of the 48th metal-oxide-semiconductor, described 41st relay is by described 41st switch
Control；
Described inverter circuit includes that the 51st resistance, the 52nd resistance, the 53rd resistance, the 51st slip become
Resistance device, the 52nd slide rheostat, the 51st inductance, the 51st electric capacity, the 52nd electric capacity, the 51st pole
Pipe, the 51st audion, the 51st transformator and the 52nd transformator, the base stage of described 51st audion is passed through
Described 51st slide rheostat is connected with the positive pole of described accumulator and one end of the 51st resistance respectively, and the described 5th
The colelctor electrode of 11 audions is connected with one end of described 52nd resistance, the other end of described 52nd resistance respectively with
The negative pole of one end of described 51st electric capacity and described accumulator connects, the other end of described 51st electric capacity and described the
One end of the primary coil of 51 transformators connects, and the emitter stage of described 51st audion is by described 53rd electricity
Resistance is connected with the other end of the primary coil of described 51st transformator, and the other end of described 51st resistance is by described
51st inductance is connected with the other end of the primary coil of described 51st transformator, described 51st transformator time
One end of level coil is connected with the anode of described 51st diode by described 52nd slide rheostat, and the described 5th
The other end of the secondary coil of 11 transformators by described 54th resistance respectively with one end of described 52nd electric capacity
Connect with one end of the 51st switch, the other end of described 51st switch and the secondary wire of described 52nd transformator
One end of circle connects, and the other end of described 52nd electric capacity connects with the secondary coil other end of described 52nd transformator
Connecing, the secondary coil of described 52nd transformator is connected with electric main；
Described lightning protection circuit includes the 61st fuse, the 61st resistance, the 62nd resistance, the first pressure-sensitive electricity
Resistance, the second varistor, the 61st diode, the 62nd light emitting diode and discharge tube, described 61st fuse
One end be connected with live wire, the other end of described 61st fuse is connected with one end of described 61st resistance, described
The other end of the 61st resistance is connected with the described anode of the 61st diode and one end of the first varistor respectively, institute
The anode of the negative electrode and described 62nd light emitting diode of stating the 61st diode is connected, described 62nd light-emitting diodes
The negative electrode of pipe is connected with zero line by described 62nd resistance, and the other end of described first varistor is respectively with described second
One end of varistor and one end of discharge tube connect, and the other end of described second varistor is connected with described zero line, described
The other end ground connection of discharge tube.
In the solar airconditioning control system with self discharge, scalable inversion and lightning protection of the present invention, described
Discharge circuit also includes that the 46th resistance, the emitter stage of described 42nd audion are connect by described 46th resistance
Ground.
In the solar airconditioning control system with self discharge, scalable inversion and lightning protection of the present invention, described
Discharge circuit also includes the 47th resistance, and the source electrode of described 43rd metal-oxide-semiconductor passes through described 47th resistance with described
The drain electrode of the 44th metal-oxide-semiconductor connects.
In the solar airconditioning control system with self discharge, scalable inversion and lightning protection of the present invention, described
Discharge circuit also includes the 48th resistance, and the source electrode of described 45th metal-oxide-semiconductor passes through described 48th resistance with described
The drain electrode of the 46th metal-oxide-semiconductor connects.
In the solar airconditioning control system with self discharge, scalable inversion and lightning protection of the present invention, described
Discharge circuit also includes the 49th resistance, and the source electrode of described 47th metal-oxide-semiconductor passes through described 49th resistance with described
The drain electrode of the 48th metal-oxide-semiconductor connects.
In the solar airconditioning control system with self discharge, scalable inversion and lightning protection of the present invention, described
41st audion and the 42nd audion are NPN type triode.
In the solar airconditioning control system with self discharge, scalable inversion and lightning protection of the present invention, described
43rd metal-oxide-semiconductor, the 44th metal-oxide-semiconductor, the 45th metal-oxide-semiconductor, the 46th metal-oxide-semiconductor, the 47th metal-oxide-semiconductor and the 40th
Eight metal-oxide-semiconductors are N-channel MOS pipe.
Implement the solar airconditioning control system with self discharge, scalable inversion and lightning protection of the present invention, have following
Beneficial effect: owing to being provided with lightning protection circuit, thus can effectively lightning protection, improve security of system performance；Discharge circuit uses
41st switch and the 41st relay achieve and disconnect the 45th discharge resistance, system cut-off when system work
Time the 45th discharge resistance and the 43rd electrochemical capacitor is in parallel, therefore the 45th discharge resistance can select resistance relatively
Little discharge resistance so that this discharge circuit does not consume electric energy when system works, reduces heating, saves system energy, simultaneously can
So that discharge time is greatly shortened, improve the security performance of system；It is right that inverter circuit uses simple circuit structure to realize
Solaode exchange output；Lightning protection circuit realizes lightning protection by two branch roads being connected between zero line and live wire, works as nothing
When thunder and lightning enters, two branch roads are in high-impedance state, and when there being thunder and lightning to enter, thunder and lightning runs through the first varistor and the
Junction point conducting discharge tube electric discharge between two varistors, imports in the earth, it is achieved good lightning protection effect, protection by thunder and lightning
Electrical equipment；So its can effectively lightning protection, improve security of system performance, can be greatly shortened discharge time, save system energy consumption,
Circuit structure is simple, small volume, cost are relatively low, can realize good lightning protection effect.
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 one embodiment of solar airconditioning control system that the present invention has self discharge, scalable inversion and lightning protection
In structural representation；
Fig. 2 is the circuit theory diagrams of discharge circuit in described embodiment；
Fig. 3 is the circuit theory diagrams of inverter circuit in described embodiment；
Fig. 4 is the circuit theory diagrams of lightning protection 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 airconditioning control system embodiment of self discharge, scalable inversion and lightning protection, this tool
There is the structural representation of solar airconditioning control system of self discharge, scalable inversion and lightning protection as shown in Figure 1.In Fig. 1, this tool
The solar airconditioning control system having self discharge, scalable inversion and lightning protection 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
With discharge circuit 13, transducer air conditioning 2 includes inverter circuit 21 and compressor 22, and solaode PV is with charging circuit 11 even
Connecing, charging circuit 11 is connected with discharge circuit 13 by control circuit 12, and charging circuit 11 and discharge circuit 13 are gone back all and electric power storage
Pond BAT connects, and control circuit 12 is connected with accumulator BAT by lightning protection circuit 14, and discharge circuit 13 is also by inverter circuit 21
It is connected with compressor 22.Solaode PV is that the radiation of the sun is converted to electric energy, or is sent in accumulator BAT store
Come, or promote transducer air conditioning 2 to work.The effect of controller for solar 1 be control whole have self discharge, scalable inversion and
The duty of the solar airconditioning control system of lightning protection, and accumulator BAT is played additives for overcharge protection and over
Effect.The effect of accumulator BAT is the electrical power storage sent by solaode PV when there being illumination, to need time
Wait and discharge again.Transducer air conditioning 2, can speed governing easily as AC load.
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 discharge circuit in the present embodiment.In Fig. 2, discharge circuit 13 includes the 41st fusing
Device F41, the 41st switch S41, the 41st diode D41, the 41st relay J 41, the 41st resistance R41, the
42 resistance R42, the 43rd resistance R43, the 44th resistance R44, the 45th discharge resistance R45, the 41st electricity
Hold C41, the 42nd electric capacity C42, the 43rd electrochemical capacitor C43, the 41st audion Q41, the 42nd audion
Q42, the 43rd metal-oxide-semiconductor Q43, the 44th metal-oxide-semiconductor Q44, the 45th metal-oxide-semiconductor Q45, the 46th metal-oxide-semiconductor Q46, the 4th
17 metal-oxide-semiconductor Q47 and the 48th metal-oxide-semiconductor Q48, wherein, the 41st electric capacity C41 and the 42nd electric capacity C42 is coupling
Electric capacity, the 41st electric capacity C41 is for preventing the front end interference to the 41st audion, the 42nd electric capacity C42 to be used for preventing
The only interference between the 41st audion Q41 and the 42nd audion Q42.44th resistance R44 is current-limiting resistance, uses
In overcurrent protection.45th discharge resistance R45 is relative to other resistance, by much smaller for the resistance than other resistance.
In the present embodiment, the 41st audion Q41 and the 42nd audion Q42 is NPN type triode.40th
Three metal-oxide-semiconductor Q43, the 44th metal-oxide-semiconductor Q44, the 45th metal-oxide-semiconductor Q45, the 46th metal-oxide-semiconductor Q46, the 47th metal-oxide-semiconductor
Q47 and the 48th metal-oxide-semiconductor Q48 is N-channel MOS pipe.Certainly, under the certain situation of the present embodiment, the 41st pole
Pipe Q41 and the 42nd audion Q42 can also be PNP type triode, the 43rd metal-oxide-semiconductor Q43, the 44th metal-oxide-semiconductor
Q44, the 45th metal-oxide-semiconductor Q45, the 46th metal-oxide-semiconductor Q46, the 47th metal-oxide-semiconductor Q47 and the 48th metal-oxide-semiconductor Q48 also may be used
To be P-channel metal-oxide-semiconductor, but at this moment the structure of discharge circuit to change accordingly.
In the present embodiment, one end of the 41st fuse F41 is connected with the positive pole BAT+ of accumulator, the 41st fusing
The other end of device F41 is connected by the anode of the 41st switch S41 and the 41st diode D41, the positive pole BAT of accumulator
+ also by the 41st relay J 41 contact respectively with one end, the 45th discharge resistance R45 of the 43rd resistance R43
One end, one end of the 43rd electrochemical capacitor C43, the drain electrode of the 43rd metal-oxide-semiconductor Q43, the leakage of the 45th metal-oxide-semiconductor Q45
Pole, the drain electrode of the 47th metal-oxide-semiconductor Q47 connect, and the negative electrode of the 41st diode D41 is by the 41st resistance R41 respectively
It is connected with one end of the 41st electric capacity C41 and one end of the 42nd resistance R42, another termination of the 42nd resistance R42
Ground, the base stage of the 41st audion Q41 is connected with the other end of the 41st electric capacity C41, the collection of the 41st audion Q41
Electrode is connected with one end of the 42nd electric capacity C42 and the other end of the 43rd resistance R43 respectively, the 41st audion
The emitter stage of Q41 passes through the 44th resistance R44 ground connection, and the base stage of the 42nd audion Q42 is with the 42nd electric capacity C42's
Other end ground connection, the colelctor electrode of the 42nd audion Q42 and the other end of the 45th discharge resistance R45 connect, and the 40th
The grounded emitter of two audion Q42, the other end ground connection of the 43rd electrochemical capacitor C43, the source of the 43rd metal-oxide-semiconductor Q43
Pole is connected with the drain electrode of the 44th metal-oxide-semiconductor Q44, the source electrode of the 45th metal-oxide-semiconductor Q45 and the drain electrode of the 46th metal-oxide-semiconductor Q46
Connecting, the source electrode of the 47th metal-oxide-semiconductor Q47 and the drain electrode of the 48th metal-oxide-semiconductor Q48 connect, the source of the 44th metal-oxide-semiconductor Q44
Pole, the source electrode of the 46th metal-oxide-semiconductor Q46 and the source grounding of the 48th metal-oxide-semiconductor Q48, the 41st relay J 41 is by
The control of 41 switch S41, say, that when the 41st switch S41 does not close, the 41st relay J 41 is also
Will not close, only after the 41st switch S41 Guan Bi, the 41st relay J 41 is only possible to controlled Guan Bi.
In the present embodiment, when closing the 41st switch S41, control circuit 12 powers on, control circuit 12 detecting system
Basic parameter, if fault-free, then control the 41st relay J 41 adhesive, namely the 41st relay J 41 is controlled closes
Closing, the power supply that accumulator BAT provides is through the 41st resistance R41 and the 42nd resistance R42 dividing potential drop so that the 41st
Pole pipe Q41 opens, therefore the 42nd audion Q42 cut-off, the 45th discharge resistance R45 and the 43rd electrochemical capacitor
C43 disconnects, and therefore in the case of this discharge circuit 13 works, the 45th discharge resistance R45 does not consume electric energy.When the 40th
One switch S41 disconnects, the 41st relay J 41 controlled switch-off, then the dump that accumulator BAT provides, and the 41st
Pole pipe Q41 end, the remaining electricity on the 43rd electrochemical capacitor C43 through the 43rd resistance R43 by the 42nd audion Q42
Opening, now the 45th discharge resistance R45 and the 43rd electrochemical capacitor C43 is in parallel, by the 45th discharge resistance R45
Automatic discharging is realized with the 43rd electrochemical capacitor C43.
Have employed the 41st switch S41 due to discharge circuit 13 and the 41st relay J 41 achieves in system work
The 45th discharge resistance R45 is disconnected, by the 45th discharge resistance R45 and the 43rd electrochemical capacitor during system cut-off when making
C43 is in parallel, and therefore the 45th discharge resistance R45 can select the discharge resistance that resistance is less so that this discharge circuit 13 exists
Do not consume electric energy during system work, reduce heating, save system energy, simultaneously because use the discharge resistance that resistance is less, permissible
Make be greatly shortened discharge time, improve the security performance of system.
In the present embodiment, this discharge circuit 13 also includes the 46th resistance R46, the transmitting of the 42nd audion Q42
The 46th resistance R46 ground connection is passed through in pole.46th resistance R46 is current-limiting resistance, is used for carrying out overcurrent protection.
In the present embodiment, this discharge circuit 13 also includes the 47th resistance R47, and the source electrode of the 43rd metal-oxide-semiconductor Q43 leads to
The drain electrode crossing the 47th resistance R47 and the 44th metal-oxide-semiconductor Q44 connects.This discharge circuit 13 also includes the 48th resistance
R48, the source electrode of the 45th metal-oxide-semiconductor Q45 is connected by the drain electrode of the 48th resistance R48 and the 46th metal-oxide-semiconductor Q46.Should
Discharge circuit 13 also includes the 49th resistance R49, and the source electrode of the 47th metal-oxide-semiconductor Q47 is by the 49th resistance R49 and the
The drain electrode of 48 metal-oxide-semiconductor Q48 connects.47th resistance R47, the 48th resistance R48 and the 49th resistance R49 are
Current-limiting resistance, is used for carrying out overcurrent protection.
Fig. 3 is the circuit theory diagrams of inverter circuit in the present embodiment.In Fig. 3, this inverter circuit 21 includes the 51st electricity
Resistance R51, the 52nd resistance R52, the 53rd resistance R53, the 51st slide rheostat W51, the 52nd slip variable resistance
Device W52, the 51st inductance L51, the 51st electric capacity C51, the 52nd electric capacity C52, the 51st diode D51, the 5th
11 audion Q51, the 51st transformator T51 and the 52nd transformator T52, wherein, the 52nd resistance R52 and the 5th
13 resistance R53 are current-limiting resistance, are used for carrying out overcurrent protection, improve the safety of system.
In the present embodiment, the base stage of the 51st audion Q51 by the 51st slide rheostat W51 respectively with electric power storage
One end of the positive pole BAT+ and the 51st resistance R51 in pond connects, the colelctor electrode of the 51st audion Q51 and the 52nd electricity
One end of resistance R52 connects, the other end of the 52nd resistance R52 respectively with one end of the 51st electric capacity C51 and accumulator
Negative pole BAT-connects, and one end of the other end of the 51st electric capacity C51 and the primary coil of the 51st transformator T51 connects,
The emitter stage of the 51st audion Q51 is another by the primary coil of the 53rd resistance R53 and the 51st transformator T51
One end connects, and the other end of the 51st resistance R51 passes through the 51st inductance L51 and the primary of the 51st transformator T51
The other end of coil connects.
In the present embodiment, the 52nd slide rheostat W52 is passed through in one end of the secondary coil of the 51st transformator T51
Being connected with the anode of the 51st diode D51, the other end of the secondary coil of the 51st transformator T51 passes through the 54th
Resistance R54 is connected with one end of the 52nd electric capacity C52 and one end of the 51st switch S51 respectively, the 51st switch S51
The other end and the 52nd transformator T52 secondary coil one end connect, the other end and the 5th of the 52nd electric capacity C52
The secondary coil other end of 12 transformator T52 connects, and the secondary coil of the 52nd transformator T52 is with electric main AC even
Connect, say, that the secondary coil of the 52nd transformator T52 is as alternating current output winding.
In the present embodiment, the 51st audion Q51, the 51st slide rheostat W51 and the 51st resistance R51 group
Become forward bias amplifying circuit, the primary coil composition DC inversion list of the 51st inductance L51 and the 51st transformator T51
Unit, the voltage of the solaode PV after amplification becomes alternating current by DC inversion cell translation.Alternating current senses the 50th
The electric current at the secondary coil two ends of one transformator T51, carries out to after the 51st diode D51 the 52nd electric capacity C52
Charging.Thereafter Guan Bi the 51st switch S51 so that the 52nd electric capacity C52 primary line by the 52nd transformator T52
Circle externally electric discharge, according to the coil ratio of the 52nd transformator T52, at exchange output point that is the 52nd transformator T52
Secondary coil can obtain higher voltage.User is it desired to obtain the alternating current output of other rated voltages, Ke Yitong
Overregulate the 51st slide rheostat W51 to realize.
In the present embodiment, this inverter circuit 21 also includes the 54th resistance R54, one end of the 54th resistance R54 with
The other end of the secondary coil of the 51st transformator T51 connects, the other end of the 54th resistance R54 and the 52nd electric capacity
One end of C52 connects.54th resistance R54 is current-limiting resistance, is used for carrying out overcurrent protection, improves the safety of system.
In the present embodiment, this inverter circuit 21 also includes the 55th resistance R55, one end of the 55th resistance R55 with
The other end of the 51st switch S51 connects, the other end of the 55th resistance R55 and the negative electrode of the 51st diode D51
Connect.55th resistance R55 is current-limiting resistance, is used for carrying out overcurrent protection, improves the safety of system.
It is noted that above-mentioned 51st audion Q51 is PNP type triode.51st transformator T51 is for rising
Pressure transformer.Certainly, under the certain situation of the present embodiment, above-mentioned 51st audion Q51 can also be NPN type three pole
Pipe, but at this moment the circuit structure of inverter circuit 21 also to change accordingly.
Fig. 4 is the circuit theory diagrams of lightning protection circuit in the present embodiment.In Fig. 4, this lightning protection circuit 14 includes that the 61st melts
Disconnected device F61, the 61st resistance R61, the 62nd resistance R62, the first varistor YM1, the second varistor YM2, the 6th
11 diode D61, the 62nd light emitting diode D62 and discharge tube A1, wherein, in the present embodiment, the 61st diode
D61, the 62nd light emitting diode D62 and the 62nd resistant series form the first branch road, the first varistor YM1 and second
Varistor YM2 series connection forms the second branch road.61st fuse F61 is used for this lightning protection circuit 14 is entered traveling-wave protection, the
61 resistance R61 and the 62nd resistance R62 are current-limiting resistance, and the 61st resistance R61 is for whole lightning protection circuit
Carrying out overcurrent protection, the 62nd resistance R62, for the first branch road carries out overcurrent protection, improves the security performance of system.The
61 diode D61 are fast conducting diode.
In the present embodiment, one end of the 61st fuse F61 is connected with live wire L, another of the 61st fuse F61
End be connected with one end of the 61st resistance R61, the other end of the 61st resistance R61 respectively with the 61st diode D61
Anode and the first varistor YM1 one end connect, the negative electrode of the 61st diode D61 and the 62nd light emitting diode
The anode of D62 connects, and the negative electrode of the 62nd light emitting diode D62 is connected by the 62nd resistance R62 and zero line N, and first
The other end of varistor YM1 is connected with one end of the second varistor YM2 and one end of discharge tube A1 respectively, the second pressure-sensitive electricity
The other end of resistance YM2 is connected with zero line N, the other end ground connection of discharge tube A1.
Lightning protection is realized by two branch roads being connected between zero line N and live wire L, when entering without thunder and lightning, two
Road is in high-impedance state, and when there being thunder and lightning to enter, thunder and lightning runs through between the first varistor YM1 and the second varistor YM2
Junction point conducting discharge tube A1 electric discharge, thunder and lightning is imported to the earth in, it is achieved good lightning protection effect, protect electrical equipment.
When thunder and lightning produces, the 62nd light emitting diode D62 can be luminous, enters thunder and lightning and has indicative function.Above-mentioned thunder-lightning
Road 14 also includes that earth terminal E, earth terminal E are directly grounded GND.The circuit structure of this lightning protection circuit 14 is simple, cost is relatively low, energy is real
The best lightning protection effect.
In the present embodiment, this lightning protection circuit 14 also includes the 63rd resistance R63, one end of the 63rd resistance R63 with
The other end of the 61st resistance R61 connects, and the other end of the 63rd resistance R63 and one end of the first varistor YM1 are even
Connect.63rd resistance R63 is current-limiting resistance, for the second branch road is carried out overcurrent protection, so can further improve system
Security performance.
In the present embodiment, this lightning protection circuit 14 also includes the 64th resistance R64, one end of the 64th resistance R64 with
Zero line N connects, the other end of the 64th resistance R64 respectively with the other end and second varistor of the 62nd resistance R62
The other end of YM2 connects.64th resistance R64 is current-limiting resistance, and user carries out overcurrent protection, more to whole lightning protection circuit 14
Improve the security performance of system further.
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；Put
Electricity circuit 13 selects the discharge resistance that resistance is less so that this discharge circuit 13 does not consume electric energy when system works, reduce
Heating, saves system energy consumption, owing to using the discharge resistance that resistance is less, can make be greatly shortened discharge time simultaneously, improve
The security performance of system.
The circuit structure of inverter circuit 21 is simple, uses simple circuit structure can realize the friendship to solaode PV
Stream output, it can solve the problem that existing solar energy inverter circuit is complicated and bulky.Lightning protection circuit 14 is by being connected to zero
Two branch roads between line N and live wire L realize lightning protection, and when entering without thunder and lightning, two branch roads are in high-impedance state, when having
Thunder and lightning enters, and thunder and lightning runs through the junction point conducting discharge tube A1 between the first varistor YM1 and the second varistor YM2
Electric discharge, imports to thunder and lightning in the earth, it is achieved good lightning protection effect, protects electrical equipment.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (7)
1. a solar airconditioning control system with self discharge, scalable inversion and lightning protection, it is characterised in that include the sun
Can battery, controller for solar, accumulator and transducer air conditioning, described controller for solar include charging circuit, control circuit,
Lightning protection circuit and discharge circuit, described transducer air conditioning includes that inverter circuit and compressor, described solaode fill with described
Electricity circuit connects, and described charging circuit is connected with described discharge circuit by described control circuit, described charging circuit and electric discharge
Circuit is the most all connected with described accumulator, and described control circuit is connected with described accumulator by described lightning protection circuit, described in put
Electricity circuit is connected with described compressor also by described inverter circuit；
Described discharge circuit includes the 41st fuse, the 41st switch, the 41st diode, the 41st relay
Device, the 41st resistance, the 42nd resistance, the 43rd resistance, the 44th resistance, the 45th discharge resistance, the 4th
11 electric capacity, the 42nd electric capacity, the 43rd electrochemical capacitor, the 41st audion, the 42nd audion, the 43rd
Metal-oxide-semiconductor, the 44th metal-oxide-semiconductor, the 45th metal-oxide-semiconductor, the 46th metal-oxide-semiconductor, the 47th metal-oxide-semiconductor and the 48th metal-oxide-semiconductor,
Described one end of 41st fuse is connected with the positive pole of described accumulator, and the other end of described 41st fuse passes through
Described 41st switch is connected with the anode of described 41st diode, and the positive pole of described accumulator is also by the described 4th
The contact of 11 relays respectively with one end of described 43rd resistance, one end of the 45th discharge resistance, the 43rd
One end of electrochemical capacitor, the drain electrode of the 43rd metal-oxide-semiconductor, the drain electrode of the 45th metal-oxide-semiconductor, the drain electrode of the 47th metal-oxide-semiconductor connect
Connect, the negative electrode of described 41st diode by described 41st resistance respectively with one end of described 41st electric capacity and
One end of 42nd resistance connects, the other end ground connection of described 42nd resistance, the base stage of described 41st audion
Being connected with the other end of described 41st electric capacity, the colelctor electrode of described 41st audion is electric with the described 42nd respectively
The one end held and the other end of the 43rd resistance connect, and the emitter stage of described 41st audion passes through the described 44th
Resistance eutral grounding, the base stage of described 42nd audion and the other end ground connection of described 42nd electric capacity, the described 42nd
The colelctor electrode of audion is connected with the other end of described 45th discharge resistance, and the emitter stage of described 42nd audion connects
Ground, the other end ground connection of described 43rd electrochemical capacitor, the source electrode of described 43rd metal-oxide-semiconductor and described 44th MOS
The drain electrode of pipe connects, and the source electrode of described 45th metal-oxide-semiconductor is connected with the drain electrode of described 46th metal-oxide-semiconductor, and the described 40th
The source electrode of seven metal-oxide-semiconductors is connected with the drain electrode of described 48th metal-oxide-semiconductor, the source electrode of described 44th metal-oxide-semiconductor, the 46th
The source electrode of metal-oxide-semiconductor and the source grounding of the 48th metal-oxide-semiconductor, described 41st relay is by described 41st switch
Control；
Described inverter circuit includes the 51st resistance, the 52nd resistance, the 53rd resistance, the 51st slip variable resistance
Device, the 52nd slide rheostat, the 51st inductance, the 51st electric capacity, the 52nd electric capacity, the 51st diode,
51st audion, the 51st transformator and the 52nd transformator, the base stage of described 51st audion passes through institute
State the 51st slide rheostat to be connected with the positive pole of described accumulator and one end of the 51st resistance respectively, the described 50th
The colelctor electrode of one audion is connected with one end of described 52nd resistance, the other end of described 52nd resistance respectively with institute
The negative pole of one end and described accumulator of stating the 51st electric capacity connects, the other end and the described 5th of described 51st electric capacity
One end of the primary coil of 11 transformators connects, and the emitter stage of described 51st audion passes through described 53rd resistance
Being connected with the other end of the primary coil of described 51st transformator, the other end of described 51st resistance is by described the
51 inductance are connected with the other end of the primary coil of described 51st transformator, the secondary of described 51st transformator
One end of coil is connected with the anode of described 51st diode by described 52nd slide rheostat, and the described 50th
The other end of the secondary coil of one transformator by described 54th resistance respectively with one end of described 52nd electric capacity and
One end of 51st switch connects, the other end of described 51st switch and the secondary coil of described 52nd transformator
One end connect, the other end of described 52nd electric capacity is connected with the secondary coil other end of described 52nd transformator,
The secondary coil of described 52nd transformator is connected with electric main；
Described lightning protection circuit include the 61st fuse, the 61st resistance, the 62nd resistance, the first varistor,
Two varistors, the 61st diode, the 62nd light emitting diode and discharge tube, one end of described 61st fuse
Being connected with live wire, the other end of described 61st fuse is connected with one end of described 61st resistance, and the described 60th
The other end of one resistance is connected with the described anode of the 61st diode and one end of the first varistor respectively, and the described 6th
The negative electrode of 11 diodes is connected with the anode of described 62nd light emitting diode, the moon of described 62nd light emitting diode
Pole is connected with zero line by described 62nd resistance, the other end of described first varistor respectively with described second pressure-sensitive electricity
One end of resistance and one end of discharge tube connect, and the other end of described second varistor is connected with described zero line, described discharge tube
Other end ground connection.
The solar airconditioning control system with self discharge, scalable inversion and lightning protection the most according to claim 1, it is special
Levying and be, described discharge circuit also includes the 46th resistance, and the emitter stage of described 42nd audion passes through the described 4th
16 resistance eutral groundings.
The solar airconditioning control system with self discharge, scalable inversion and lightning protection the most according to claim 2, it is special
Levying and be, described discharge circuit also includes the 47th resistance, and the source electrode of described 43rd metal-oxide-semiconductor passes through the described 47th
Resistance is connected with the drain electrode of described 44th metal-oxide-semiconductor.
The solar airconditioning control system with self discharge, scalable inversion and lightning protection the most according to claim 3, it is special
Levying and be, described discharge circuit also includes the 48th resistance, and the source electrode of described 45th metal-oxide-semiconductor passes through the described 48th
Resistance is connected with the drain electrode of described 46th metal-oxide-semiconductor.
The solar airconditioning control system with self discharge, scalable inversion and lightning protection the most according to claim 4, it is special
Levying and be, described discharge circuit also includes the 49th resistance, and the source electrode of described 47th metal-oxide-semiconductor passes through the described 49th
Resistance is connected with the drain electrode of described 48th metal-oxide-semiconductor.
6. according to the solar airconditioning control with self discharge, scalable inversion and lightning protection described in claim 1 to 5 any one
System processed, it is characterised in that described 41st audion and the 42nd audion are NPN type triode.
7. according to the solar airconditioning control with self discharge, scalable inversion and lightning protection described in claim 1 to 5 any one
System processed, it is characterised in that described 43rd metal-oxide-semiconductor, the 44th metal-oxide-semiconductor, the 45th metal-oxide-semiconductor, the 46th MOS
Pipe, the 47th metal-oxide-semiconductor and the 48th metal-oxide-semiconductor are N-channel MOS pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610724164.8A CN106300597A (en) | 2016-08-25 | 2016-08-25 | There is the solar airconditioning control system of self discharge, scalable inversion and lightning protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610724164.8A CN106300597A (en) | 2016-08-25 | 2016-08-25 | There is the solar airconditioning control system of self discharge, scalable inversion and lightning protection |
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|---|---|
| CN106300597A true CN106300597A (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610724164.8A Pending CN106300597A (en) | 2016-08-25 | 2016-08-25 | There is the solar airconditioning control system of self discharge, scalable inversion and lightning protection |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201854094U (en) * | 2010-09-27 | 2011-06-01 | 天津市松正电动科技有限公司 | Automatic discharging circuit |
| CN203951384U (en) * | 2014-05-13 | 2014-11-19 | 陈敏 | A kind of inverter circuit of solar energy |
| CN104734137A (en) * | 2015-03-26 | 2015-06-24 | 刘清清 | Anti-thunder circuit |
| CN205195394U (en) * | 2015-04-28 | 2016-04-27 | 周磊 | Solar air conditioning system with lightning protection solar control ware |
-
2016
- 2016-08-25 CN CN201610724164.8A patent/CN106300597A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201854094U (en) * | 2010-09-27 | 2011-06-01 | 天津市松正电动科技有限公司 | Automatic discharging circuit |
| CN203951384U (en) * | 2014-05-13 | 2014-11-19 | 陈敏 | A kind of inverter circuit of solar energy |
| CN104734137A (en) * | 2015-03-26 | 2015-06-24 | 刘清清 | Anti-thunder 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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