CN106487233A - The power supply circuits of solar air conditioner and solar air conditioner - Google Patents
The power supply circuits of solar air conditioner and solar air conditioner Download PDFInfo
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- CN106487233A CN106487233A CN201611050282.1A CN201611050282A CN106487233A CN 106487233 A CN106487233 A CN 106487233A CN 201611050282 A CN201611050282 A CN 201611050282A CN 106487233 A CN106487233 A CN 106487233A
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- module
- semiconductor
- oxide
- metal
- air conditioner
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
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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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- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The invention provides a kind of power supply circuits of solar air conditioner and solar air conditioner, wherein, the power supply circuits of solar air conditioner include：Power module, for for the load supplying in solar air conditioner；Power control circuit, load in being connected to the power module and the solar air conditioner, the different power voltage that the power control circuit is used for exporting the power module is adjusted to target voltage, and exports the target voltage to the load in the solar air conditioner；Wherein, the power module at least includes solar module.By technical scheme, target voltage of the different Voltage Cortrol that power module can be input into for needed for solar air conditioner, while Width funtion input is realized, the conversion efficiency of voltage is improve.
Description
Technical field
The present invention relates to air-conditioner technical field, in particular to a kind of power supply circuits of solar air conditioner and one
Plant solar air conditioner.
Background technology
At present, solar airconditioning and photovoltaic are substantially independent, it is, solar airconditioning producer provides only solar energy sky
Adjust, the component such as photovoltaic panel needs user oneself to look for other manufacturers to provide, and the air-conditioning that solar airconditioning manufacturer provides is defeated to photovoltaic
Entering voltage, electric current has certain requirement, you can input voltage range compares limitation, that is to say, that solar airconditioning determines user
Need to fill how many pieces of solar panels.And user is usually to be mounted with a number of photovoltaic panel on house at present,
Due to the difference of user's building structure, the photovoltaic panel quantity for being filled and connected mode are different, cause with a solar airconditioning
Can not use in different user and area, even if solar airconditioning can have very wide voltage range, that also occurs different electricity
Pressure, inverter conversion efficiency are different, such as, inverter efficiency highest in 200V, then in 100V, inverter efficiency
Will decline, it is impossible to make that inverter worked all the time in efficient state, in this regard, there is presently no effective solution.
Content of the invention
It is contemplated that at least solving one of technical problem present in prior art or correlation technique.
For this purpose, it is an object of the present invention to propose a kind of power supply circuits of new solar air conditioner, can be by
Target voltage of the different Voltage Cortrol of power module input for needed for solar air conditioner, is realizing the same of Width funtion input
When, improve the conversion efficiency of voltage.
Further object is that proposing a kind of solar air conditioner.
For achieving the above object, embodiment according to the first aspect of the invention, it is proposed that a kind of solar air conditioner
Power supply circuits, including：Power module, for for the load supplying in solar air conditioner；Power control circuit, is connected to described
Load in power module and the solar air conditioner, the power control circuit are used for exporting not the power module
Target voltage is adjusted to supply voltage, and the target voltage is exported to the load in the solar air conditioner；Wherein, institute
Stating power module at least includes solar module.
Power supply circuits of solar air conditioner according to an embodiment of the invention, by arranging power control circuit, by electricity
The different power voltage of source module output is adjusted to target voltage, and the supply voltage can be output by by power module in itself is not carried out
Limit, to realize Width funtion input, while different power voltage can be adjusted to target voltage, it is ensured that the conversion effect of voltage
Rate.
The power supply circuits of solar air conditioner according to the abovementioned embodiments of the present invention, can also be special with following technology
Levy：
According to one embodiment of present invention, the power control circuit includes：Inverter circuit, the inverter circuit defeated
Enter the output end that end is connected to the power module, the supply voltage that the inverter circuit is used for exporting the power module turns
It is changed to alternating current；Transforming circuit, the input of the transforming circuit are connected to the output end of the inverter circuit, for will be described
The alternating current of inverter circuit output is converted to the target voltage.
According to one embodiment of present invention, the transforming circuit includes：Transformer, the transformer include primary side winding
With multiple vice-side winding, the input of the primary side winding of the transformer is used as the input of the transforming circuit；Voltage switching
Module, multiple vice-side winding of the transformer are connected to the input of the voltage switching module, the voltage switching module
For regulating and controlling the number of turn ratio between the primary side winding and the plurality of vice-side winding, with the voltage after being adjusted；Voltage
Output circuit, is connected to the output end of the voltage switching module, for described adjustment after voltage carry out boosting process with
The target voltage is obtained, and exports the target voltage.
The power supply circuits of solar air conditioner, are input into different power voltage in power module according to an embodiment of the invention
When, voltage switching module can guarantee difference by adjusting the number of turn ratio between primary side winding and the plurality of vice-side winding
Input voltage has the same output voltage.
According to one embodiment of present invention, the voltage switching module includes relay or single pole multiple throw.
Power supply circuits of solar air conditioner according to an embodiment of the invention, the quantity of relay or single pole multiple throw
Can be one or more, specifically can be configured according to the tap number of vice-side winding.
According to one embodiment of present invention, the voltage follower circuit includes：First diode, first diode
Negative electrode be connected to the first end of first switch device, the anode of first diode is connected to the negative electrode of the second diode；
The first switch device, the second end of the first switch device are connected to the first end of second switch device, and described first
3rd end of switching device receives the trigger for triggering the first switch break-over of device or disconnection；Second diode,
The anode of second diode is connected to the second end of the second switch device；The second switch device, described second
3rd end of switching device receives the trigger for triggering the second switch break-over of device or disconnection；First electric capacity, institute
The first end for stating the first electric capacity is connected to the first end of the first switch device, and the second end of first electric capacity is connected to institute
State the second end of second switch device；Wherein, the first end of the anode of first diode and the second switch device is divided
Not as the input of the voltage follower circuit, the of the first end of the first switch device and the second switch device
Two ends are respectively as the output end of the voltage follower circuit.
According to one embodiment of present invention, the first switch device and the second switch device are metal-oxide-semiconductor, institute
State the first end of first end and the second switch device of the drain electrode of metal-oxide-semiconductor as the first switch device, the metal-oxide-semiconductor
Second end and the second switch device of the source electrode as the first switch device the second end, the grid of the metal-oxide-semiconductor
3rd end at the 3rd end and the second switch device as the first switch device.
According to one embodiment of present invention, the inverter circuit includes：First metal-oxide-semiconductor, the drain electrode of first metal-oxide-semiconductor
The drain electrode of the second metal-oxide-semiconductor is connected to, the source electrode of first metal-oxide-semiconductor is connected to the drain electrode of the 3rd metal-oxide-semiconductor, first metal-oxide-semiconductor
Grid receive for triggering the trigger that first metal-oxide-semiconductor is turned on or off；Second metal-oxide-semiconductor, second metal-oxide-semiconductor
Source electrode is connected to the drain electrode of the 4th metal-oxide-semiconductor, the grid of second metal-oxide-semiconductor receive for trigger second metal-oxide-semiconductor conducting or
The trigger of disconnection；3rd metal-oxide-semiconductor, the source electrode of the 3rd metal-oxide-semiconductor are connected to the source electrode of the 4th metal-oxide-semiconductor, the 3rd MOS
The grid of pipe is received for triggering the trigger that the 3rd metal-oxide-semiconductor is turned on or off；4th metal-oxide-semiconductor, the 4th metal-oxide-semiconductor
Grid receive for triggering the trigger that the 4th metal-oxide-semiconductor is turned on or off, the second electric capacity, the of second electric capacity
One end is connected to the drain electrode of first metal-oxide-semiconductor, and the second end of second electric capacity is connected to the source electrode of the 3rd metal-oxide-semiconductor；
Wherein, the drain electrode of first metal-oxide-semiconductor and the source electrode of the 3rd metal-oxide-semiconductor are respectively as the input of the inverter circuit, institute
State the output end of the source electrode of the first metal-oxide-semiconductor and the source electrode of second metal-oxide-semiconductor respectively as the inverter circuit.
According to one embodiment of present invention, the power module also includes energy storage for power supply module and/or mains-supplied mould
Block, the power control circuit also include：First detection module, is connected to the power module, for detecting the power supply mould
The output power of block output；Second detection module, the load being connected in the solar air conditioner, for detecting the sun
Load power demand in energy air-conditioner；Control module, is connected to the first detection module and second detection module, institute
Control module is stated for according to the relation between the output power and the load power demand, controlling the solar cell mould
Any one or more load in the solar air conditioner in block, the energy storage for power supply module and the mains-supplied module
Power supply.
Power supply circuits of solar air conditioner according to an embodiment of the invention, by detecting the power supply of power module output
Load power demand in power and solar air conditioner, and according to the relation between output power and load power demand, control
Any one or more for bearing in solar air conditioner in solar module processed, energy storage for power supply module and mains-supplied module
Carry power supply, to guarantee more to rationalize using each supply module as solar air conditioner in load supplying.
According to one embodiment of present invention, the control module is more than the load power demand in the output power
When, the control solar module is that the load in the solar air conditioner and the energy-storage module are powered；Described
Control module controls the solar module and institute when the output power is less than or equal to the load power demand
The load supplying that energy storage for power supply module is in the solar air conditioner is stated, or controls the solar module, the storage
Energy supply module and the mains-supplied module are the load supplying in the solar air conditioner.
The power supply circuits of solar air conditioner, are more than load power demand in output power according to an embodiment of the invention
When, solar module is that the load in solar air conditioner and energy-storage module are powered, so as to substantially using the sun
Electric energy that can be produced by battery module, when output power is less than or equal to load power demand, solar module and storage
Energy supply module is the load supplying in solar air conditioner, to meet the operation demand of solar air conditioner, further, when
When the output power that solar module and energy storage for power supply module are provided is less than load power demand, can be by solar cell mould
Block, energy storage for power supply module and mains-supplied module are the load supplying in solar air conditioner jointly.
A kind of embodiment according to the second aspect of the invention, it is proposed that solar air conditioner, including：As above-mentioned embodiment
Any one of solar air conditioner power supply circuits.
The additional aspect and advantage of the present invention will be set forth in part in the description, and partly will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from the description with reference to accompanying drawings below to embodiment
Substantially and easy to understand, wherein：
Fig. 1 shows the structural schematic block diagram of the power supply circuits of solar air conditioner according to an embodiment of the invention；
Fig. 2 shows the structural representation of power control circuit according to an embodiment of the invention；
Fig. 3 shows the schematic block diagram of sun air-conditioner according to an embodiment of the invention.
Specific embodiment
In order to be more clearly understood that the above objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and concrete real
Apply mode to be further described in detail the present invention.It should be noted that in the case of not conflicting, the enforcement of the application
Feature in example and embodiment can be mutually combined.
A lot of details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also
Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment restriction.
Fig. 1 shows the schematic construction block diagram of the power supply circuits of solar air conditioner according to an embodiment of the invention.
As shown in figure 1, power supply circuits 100 of solar air conditioner according to an embodiment of the invention, including：Power module
102, for powering for the load 106 in solar air conditioner；Power control circuit 104, be connected to the power module 102 and
Load 106 in the solar air conditioner, the power control circuit 104 are used for exporting not the power module 102
Target voltage is adjusted to supply voltage, and the target voltage is exported to the load 106 in the solar air conditioner；Its
In, the power module 102 at least includes solar module.
By arranging power control circuit, the different power voltage that power module is exported is adjusted to target voltage, to electricity
The supply voltage that source module can be output by itself is not limited, to realize Width funtion input, while can be by different power voltage
It is adjusted to target voltage, it is ensured that the conversion efficiency of voltage.
The power supply circuits 100 of solar air conditioner according to the abovementioned embodiments of the present invention, can also be with following technology
Feature：
Further illustrate below in conjunction with Fig. 2.
As shown in Fig. 2 according to one embodiment of present invention, the power control circuit 104 includes：Inverter circuit, institute
The input for stating inverter circuit is connected to the output end of the power module 102, and the inverter circuit is used for the power supply mould
The supply voltage that block 102 is exported is converted to alternating current；Transforming circuit, the input of the transforming circuit are connected to inversion electricity
The output end on road, the alternating current for exporting the inverter circuit are converted to the target voltage.
According to one embodiment of present invention, the transforming circuit includes：Transformer 104A, the transformer include former limit
Winding and multiple vice-side winding, the input of the primary side winding of the transformer is used as the input of the transforming circuit；Voltage
Handover module 104B, multiple vice-side winding of the transformer 104A are connected to the input of voltage switching module 104B,
Voltage switching module 104B is used for regulating and controlling the number of turn ratio between the primary side winding and the plurality of vice-side winding, with
Voltage to after adjustment；Voltage follower circuit, is connected to the output end of voltage switching module 104B, for the adjustment
Voltage afterwards carries out boosting and processes to obtain the target voltage, and exports the target voltage.
Power module be input into different power voltage when, voltage switching module can by adjust primary side winding with the plurality of
Number of turn ratio between vice-side winding, guarantees that different input voltages have the same output voltage.
According to one embodiment of present invention, voltage switching module 104B includes relay or single pole multiple throw.
The quantity of relay or single pole multiple throw can be for one or more, specifically can be according to the tap of vice-side winding
Number is configured.
According to one embodiment of present invention, the voltage follower circuit includes：First diode 104C, the described 1st
The negative electrode of pole pipe 104C is connected to the first end of first switch device 104D, and the anode of the first diode 104C is connected to
The negative electrode of two diode 104E；Second end of the first switch device 104E, the first switch device 104D is connected to
The first end of two switching device 104F, the 3rd end of the first switch device 104D are received for triggering the first switch device
The trigger that part 104D is turned on or off；The anode of the second diode 104E, the second diode 104E is connected to described
Second end of second switch device 104F；3rd termination of the second switch device 104F, the second switch device 104F
Receive for triggering the trigger that the second switch device 104F is turned on or off；First electric capacity 104G, first electric capacity
The first end of 104G is connected to the first end of the first switch device 104D, and second end of the first electric capacity 104G is connected to
Second end of the second switch device 104F；Wherein, the anode of the first diode 104C and the second switch device
The first end of 104F is respectively as the input of the voltage follower circuit, the first end of the first switch device 104D and institute
State the output end of second end respectively as the voltage follower circuit of second switch device 104F.
According to one embodiment of present invention, the first switch device 104D and the second switch device 104F are
Metal-oxide-semiconductor, the drain electrode of the metal-oxide-semiconductor is used as the first end of the first switch device 104D and the second switch device 104F
First end, the source electrode of the metal-oxide-semiconductor is used as the second end and the second switch device 104F of the first switch device 104D
The second end, the grid of the metal-oxide-semiconductor is used as the 3rd end and the second switch device of the first switch device 104D
3rd end of 104F.
According to one embodiment of present invention, the inverter circuit includes：First metal-oxide-semiconductor 104H, first metal-oxide-semiconductor
The drain electrode of 104H is connected to the drain electrode of the second metal-oxide-semiconductor 104I, and the source electrode of the first metal-oxide-semiconductor 104H is connected to the 3rd metal-oxide-semiconductor
The drain electrode of 104J, the grid of the first metal-oxide-semiconductor 104H are received for touching of triggering that the first metal-oxide-semiconductor 104H is turned on or off
Signal；The source electrode of the second metal-oxide-semiconductor 104I, the second metal-oxide-semiconductor 104I is connected to the drain electrode of the 4th metal-oxide-semiconductor 104K, and described
The grid of two metal-oxide-semiconductor 104I is received for triggering the trigger that the second metal-oxide-semiconductor 104I is turned on or off；3rd metal-oxide-semiconductor
The source electrode of 104J, the 3rd metal-oxide-semiconductor 104J is connected to the source electrode of the 4th metal-oxide-semiconductor 104K, the grid of the 3rd metal-oxide-semiconductor 104J
Receive for triggering the trigger that the 3rd metal-oxide-semiconductor 104J is turned on or off；4th metal-oxide-semiconductor 104K, the 4th metal-oxide-semiconductor
The grid of 104K is received for triggering the trigger that the 4th metal-oxide-semiconductor 104K is turned on or off, and the second electric capacity 104L is described
The first end of the second electric capacity 104L is connected to the drain electrode of the first metal-oxide-semiconductor 104H, and second end of the second electric capacity 104L connects
It is connected to the source electrode of the 3rd metal-oxide-semiconductor 104J；Wherein, the drain electrode of the first metal-oxide-semiconductor 104H is with the 3rd metal-oxide-semiconductor 104J's
Source electrode respectively as the input of the inverter circuit, the source electrode of the first metal-oxide-semiconductor 104H and the second metal-oxide-semiconductor 104I's
Source electrode is respectively as the output end of the inverter circuit.
Specifically, in the present embodiment, power module includes the photovoltaic panel (voltage range 90V-200V) of 3-6 block series connection,
First, after accessing photovoltaic panel (i.e. solar module), the supply voltage of power control circuit detection photovoltaic panel output, according to
Current voltage value VT, relay group RY1 in control voltage handover module 104B and RY2 select transformer secondary winding and former limit
The turn ratio between winding, controls step-up ratio, specifically, if the supply voltage for detecting photovoltaic panel output is 200V, RY1 relay
The following contacting of device and the top contacting of RY2, transformer secondary output voltage：200×NS1/NP；If detected
The supply voltage of photovoltaic panel output is the following contacting of 90V, RY1 relay top contacting and RY2, transformer pair
Side output voltage is 90 × (NS1+NS2+NS3)/NP so that different input voltages have the same output voltage, the change shown in Fig. 2
Depressor has 3 vice-side winding, it is provided that four kinds of combinations, can set 4 voltage range threshold values, certainly, the secondary of transformer
The quantity of winding can be configured according to the actual requirements, and 3 vice-side winding being not limited in the present embodiment.
In addition, constituting full bridge structure, and common full-bridge pair by M1 (104H), M2 (104I), M3 (104J), M4 (104K)
Than secondary increased M5 (104D), M6 (104F), increases M5, M6 and can realize boosting, using transformer primary side leakage inductance, control
Transformer secondary short circuit in winding, now former limit leakage inductance storage energy, after shorted period terminates, energy and transformer that leakage inductance is stored
Give secondary transmission energy together, so can fixed duty cycle situation now, realize voltage stabilizing, additionally, M1, M4 can be simultaneously turned on,
And open-minded for no-voltage, M2, M4 are simultaneously turned on, and open-minded for no-voltage, and M5 and M1, M4 have a phase shift time, are also zero electricity
Press off logical, M6 and M2, M3 have a phase shift time, also open-minded for no-voltage, the parameter such as Design of Transformer leakage inductance and the turn ratio so that
Current waveform is operated in on-off state, it is possible to achieve zero-current switching, so total can not only realize Width funtion input,
Transformation efficiency can also be improved.
In the above-described embodiments, power control circuit adopts advanced efficient topological structure, is provided using transformer leakage inductance
Energy transmission, and while realize boosting and voltage stabilizing function.
According to one embodiment of present invention, the power module 102 also includes energy storage for power supply module and/or mains-supplied
Module, the power control circuit 104 also include：First detection module (not shown in figure 1), is connected to the power module
102, for detecting the output power of the output of the power module 102；Second detection module (not shown in figure 1), is connected to institute
The load 106 in solar air conditioner is stated, for detecting the load power demand in the solar air conditioner；Control module
(not shown in figure 1), is connected to the first detection module and second detection module, and the control module is used for according to institute
The relation between output power and the load power demand is stated, controls the solar module, the energy storage for power supply module
With any one or more load supplying in the solar air conditioner in the mains-supplied module.
Load power demand in the output power exported by detection power module and solar air conditioner, and according to
Relation between output power and load power demand, control solar module, energy storage for power supply module and mains-supplied module
In any one or more load supplying in solar air conditioner, to guarantee more to rationalize using each power supply mould
Block is the load supplying in solar air conditioner.
According to one embodiment of present invention, the control module is more than the load power demand in the output power
When, the control solar module is that the load in the solar air conditioner and the energy-storage module are powered；Described
Control module controls the solar module and institute when the output power is less than or equal to the load power demand
The load supplying that energy storage for power supply module is in the solar air conditioner is stated, or controls the solar module, the storage
Energy supply module and the mains-supplied module are the load supplying in the solar air conditioner.
Output power more than load power demand when, solar module be solar air conditioner in load and
Energy-storage module is powered (as battery), so as to substantially using the electric energy produced by solar module, in output power
During less than or equal to load power demand, solar module and energy storage for power supply module are supplied for the load in solar air conditioner
Electricity, to meet the operation demand of solar air conditioner, further, when solar module and energy storage for power supply module are provided
When output power is less than load power demand, can be common by solar module, energy storage for power supply module and mains-supplied module
For the load supplying in solar air conditioner.
Fig. 3 shows the schematic block diagram of sun air-conditioner according to an embodiment of the invention.
As shown in figure 3, the sun air-conditioner of embodiments of the invention, including：The confession of solar air conditioner as shown in Figure 1
Circuit 100.
Technical scheme is described in detail above in association with accompanying drawing, the present invention proposes a kind of new solar airconditioning
The power supply circuits of device, target voltage of the different Voltage Cortrol that power module can be input into for needed for solar air conditioner,
While realizing Width funtion input, the conversion efficiency of voltage is improve.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of power supply circuits of solar air conditioner, it is characterised in that include：
Power module, for for the load supplying in solar air conditioner；
Power control circuit, the load in being connected to the power module and the solar air conditioner, the power supply electricity
The different power voltage that road is used for exporting the power module is adjusted to target voltage, and in the solar air conditioner
The load output target voltage；
Wherein, the power module at least includes solar module.
2. power supply circuits of solar air conditioner according to claim 1, it is characterised in that the power control circuit bag
Include：
Inverter circuit, the input of the inverter circuit are connected to the output end of the power module, and the inverter circuit is used for
The supply voltage that the power module is exported is converted to alternating current；
Transforming circuit, the input of the transforming circuit are connected to the output end of the inverter circuit, for the inversion is electric
The alternating current of road output is converted to the target voltage.
3. power supply circuits of solar air conditioner according to claim 2, it is characterised in that the transforming circuit includes：
Transformer, the transformer include primary side winding and multiple vice-side winding, the input of the primary side winding of the transformer
Input as the transforming circuit；
Voltage switching module, multiple vice-side winding of the transformer are connected to the input of the voltage switching module, described
Voltage switching module is used for regulating and controlling the number of turn ratio between the primary side winding and the plurality of vice-side winding, after being adjusted
Voltage；
Voltage follower circuit, is connected to the output end of the voltage switching module, for rising to the voltage after the adjustment
Pressure is processed to obtain the target voltage, and exports the target voltage.
4. power supply circuits of solar air conditioner according to claim 3, it is characterised in that the voltage switching module bag
Include relay or single pole multiple throw.
5. power supply circuits of solar air conditioner according to claim 3, it is characterised in that the voltage follower circuit bag
Include：
First diode, the negative electrode of first diode are connected to the first end of first switch device, first diode
Anode be connected to the negative electrode of the second diode；
The first switch device, the second end of the first switch device are connected to the first end of second switch device, described
3rd end of first switch device receives the trigger for triggering the first switch break-over of device or disconnection；
Second diode, the anode of second diode are connected to the second end of the second switch device；
The second switch device, the 3rd end of the second switch device are received for triggering the second switch break-over of device
Or the trigger for disconnecting；
First electric capacity, the first end of first electric capacity are connected to the first end of the first switch device, first electric capacity
The second end be connected to the second end of the second switch device；
Wherein, the first end of the anode of first diode and the second switch device is respectively as voltage output electricity
The input on road, the second end of the first end of the first switch device and the second switch device is respectively as the voltage
The output end of output circuit.
6. power supply circuits of solar air conditioner according to claim 5, it is characterised in that the first switch device and
The second switch device is metal-oxide-semiconductor, and the drain electrode of the metal-oxide-semiconductor is used as the first end and described of the first switch device
The first end of two switching devices, the source electrode of the metal-oxide-semiconductor is used as the second end and the second switch of the first switch device
Second end of device, the grid of the metal-oxide-semiconductor is used as the 3rd end of the first switch device and the second switch device
3rd end.
7. power supply circuits of solar air conditioner according to claim 2, it is characterised in that the inverter circuit includes：
First metal-oxide-semiconductor, the drain electrode of first metal-oxide-semiconductor are connected to the drain electrode of the second metal-oxide-semiconductor, and the source electrode of first metal-oxide-semiconductor connects
The drain electrode of the 3rd metal-oxide-semiconductor is connected to, the grid of first metal-oxide-semiconductor is received for triggering what first metal-oxide-semiconductor was turned on or off
Trigger；
Second metal-oxide-semiconductor, the source electrode of second metal-oxide-semiconductor are connected to the drain electrode of the 4th metal-oxide-semiconductor, the grid of second metal-oxide-semiconductor
Pole is received for triggering the trigger that second metal-oxide-semiconductor is turned on or off；
3rd metal-oxide-semiconductor, the source electrode of the 3rd metal-oxide-semiconductor are connected to the source electrode of the 4th metal-oxide-semiconductor, the grid of the 3rd metal-oxide-semiconductor
Pole is received for triggering the trigger that the 3rd metal-oxide-semiconductor is turned on or off；
4th metal-oxide-semiconductor, the grid of the 4th metal-oxide-semiconductor are received for touching of triggering that the 4th metal-oxide-semiconductor is turned on or off
Signal；
Second electric capacity, the first end of second electric capacity are connected to the drain electrode of first metal-oxide-semiconductor, and the second of second electric capacity
End is connected to the source electrode of the 3rd metal-oxide-semiconductor；
Wherein, the drain electrode of first metal-oxide-semiconductor and the source electrode of the 3rd metal-oxide-semiconductor are respectively as the input of the inverter circuit
End, the source electrode of the source electrode of first metal-oxide-semiconductor and second metal-oxide-semiconductor is respectively as the output end of the inverter circuit.
8. power supply circuits of solar air conditioner according to any one of claim 1 to 7, it is characterised in that the electricity
Source module also includes energy storage for power supply module and/or mains-supplied module, and the power control circuit also includes：
First detection module, is connected to the power module, for detecting the output power of power module output；
Second detection module, the load being connected in the solar air conditioner, for detecting in the solar air conditioner
Load power demand；
Control module, is connected to the first detection module and second detection module, and the control module is used for according to institute
The relation between output power and the load power demand is stated, controls the solar module, the energy storage for power supply module
With any one or more load supplying in the solar air conditioner in the mains-supplied module.
9. power supply circuits of solar air conditioner according to claim 8, it is characterised in that
When the output power is more than the load power demand, the control solar module is the control module
Load and the energy-storage module in the solar air conditioner is powered；
The control module controls the solar cell when the output power is less than or equal to the load power demand
Module and the energy storage for power supply module are the load supplying in the solar air conditioner, or control the solar cell mould
Block, the energy storage for power supply module and the mains-supplied module are the load supplying in the solar air conditioner.
10. a kind of solar air conditioner, it is characterised in that include：
The power supply circuits of solar air conditioner as claimed in any one of claims 1-9 wherein.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611050282.1A CN106487233A (en) | 2016-11-24 | 2016-11-24 | The power supply circuits of solar air conditioner and solar air conditioner |
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| CN201611050282.1A CN106487233A (en) | 2016-11-24 | 2016-11-24 | The power supply circuits of solar air conditioner and solar air conditioner |
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