CN106482300A - Solar air conditioner control method, device and solar air conditioner - Google Patents
Solar air conditioner control method, device and solar air conditioner Download PDFInfo
- Publication number
- CN106482300A CN106482300A CN201610942844.7A CN201610942844A CN106482300A CN 106482300 A CN106482300 A CN 106482300A CN 201610942844 A CN201610942844 A CN 201610942844A CN 106482300 A CN106482300 A CN 106482300A
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- air
- conditioner
- voltage
- energy storage
- solar
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
Abstract
The invention discloses a kind of solar air conditioner control method, including step：Obtain the ripple information of air-conditioner；Determine the state of air-conditioner according to described ripple information；When the state of air-conditioner is confirmed as opening, the solar power supply apparatus of air-conditioner are controlled to power to air-conditioner.The invention also discloses a kind of solar air conditioner control device and solar air conditioner.The present invention need not power to air-conditioner always, it is to avoid for the waste of electric flux, accurately powered to air-conditioner by ripple information, improve reliability.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly, to solar air conditioner control method, device and solar airconditioning
Device.
Background technology
Hybrid power supply air-conditioning in the market, generally supplies electricity to air-conditioning by city and powers, when there being solar energy, solar energy and city
Electricity is powered to air-conditioning it is intended to reduce the power consumption of user's civil power simultaneously.And in actual application, after photovoltaic intervention be usually
It is incorporated to outdoor automatically controlled dc bus after the converter boost of air-conditioner, power to air-conditioner outdoor unit.Air-conditioning typically can exist
Two states：Holding state or open state, the changer of hybrid power supply air-conditioning needs to know what state air-conditioning is, Cai Nenggeng
Good control boosting.Current way is：No matter changer, air-conditioning start or shutdown, is constantly in working condition, this side
Formula controls simply, but off-premises station DC bus powered waste energy given always by changer, and changer service life is short, and reliability drops
Low.
The above is only used for auxiliary and understands technical scheme, does not represent and recognizes that the above is existing skill
Art.
Content of the invention
Present invention is primarily targeted at providing a kind of solar air conditioner control method, device and solar air conditioner.
Aim to solve the problem that existing hybrid power supply air-conditioner always to air-conditioner outdoor unit DC bus powered waste energy, changer uses the longevity
Order short, the low problem of reliability.
For achieving the above object, a kind of solar air conditioner control method that the present invention provides, including step：
Obtain the ripple information of air-conditioner；
Determine the state of air-conditioner according to described ripple information；
When the state of air-conditioner is confirmed as opening, the solar power supply apparatus of air-conditioner are controlled to power to air-conditioner.
Preferably, the ripple information of described air-conditioner is ripple voltage, described determines air-conditioner according to described ripple information
State include：
When the value of described ripple voltage is more than predetermined voltage threshold, the state of air-conditioner is confirmed as opening；
When the value of described ripple voltage is less than or equal to predetermined voltage threshold, the state of air-conditioner is confirmed as shutting down；
The ripple information of described air-conditioner is ripple voltage, the described state bag determining air-conditioner according to described ripple information
Include：
When the value of described ripple current is more than predetermined current threshold, the state of air-conditioner is confirmed as opening；
When the value of described ripple current is less than or equal to predetermined current threshold, the state of air-conditioner is confirmed as shutting down.
Preferably, described the state of air-conditioner is determined according to described ripple information after, also include：
When the state of air-conditioner is confirmed as shutdown, obtain the magnitude of voltage of the energy storage device of solar power supply apparatus；
When the magnitude of voltage of described energy storage device is less than charging voltage threshold value, photovoltaic devices are controlled to charge to energy storage device.
Preferably, after the described solar power supply apparatus controlling air-conditioner are powered to air-conditioner, also include：
Obtain the output of photovoltaic devices of solar power supply apparatus and the bearing power of air-conditioner；
When the output of photovoltaic devices is more than the bearing power of air-conditioner, obtain the energy storage dress of solar power supply apparatus
The magnitude of voltage put；
When the magnitude of voltage of energy storage device is less than the magnitude of voltage of charge threshold, photovoltaic devices are controlled to charge to energy storage device.
Preferably, the photovoltaic dress that the solar power supply apparatus of described air-conditioner are powered as solar power supply apparatus to air-conditioner
Put and jointly power to air-conditioner with energy storage device, described control air-conditioner solar power supply apparatus to air-conditioner power including：
Obtain the output of photovoltaic devices of solar power supply apparatus and the bearing power of air-conditioner；
When the output of solar power supply apparatus is less than the bearing power of air-conditioner, obtain solar power supply apparatus
The magnitude of voltage of energy storage device；
When the magnitude of voltage of energy storage device is more than the magnitude of voltage of minimum operation threshold, energy storage device is controlled to supply to air-conditioner
Electricity.
Preferably, methods described also includes：
It is more than the bearing power of air-conditioner in the value of the output of photovoltaic devices and the output sum of energy storage device
Value when, or when the output of photovoltaic devices is more than the bearing power of air-conditioner, control that city is electrically disconnected powers to air-conditioner.
Additionally, for achieving the above object, the present invention also provides a kind of solar air conditioner control device, including：
Acquisition module, for obtaining the ripple information of air-conditioner；
Determining module, for determining the state of air-conditioner according to described ripple information；
Control module, when being confirmed as opening for the state in air-conditioner, controls the solar power supply apparatus of air-conditioner
Power to air-conditioner.
Preferably, the ripple information of described air-conditioner is ripple voltage, and described determining module is used for
When the value of described ripple voltage is more than predetermined voltage threshold, the state of air-conditioner is confirmed as opening；Determine mould
Block is additionally operable to
When the value of described ripple voltage is less than or equal to predetermined voltage threshold, the state of air-conditioner is confirmed as shutting down；
The ripple information of described air-conditioner is ripple current, and determining module is additionally operable to
When the value of described ripple current is more than predetermined current threshold, the state of air-conditioner is confirmed as opening；Determine mould
Block is additionally operable to
When the value of described ripple current is less than or equal to predetermined current threshold, the state of air-conditioner is confirmed as shutting down.
Preferably, described acquisition module, is additionally operable to, when the state of air-conditioner is confirmed as shutdown, obtain solar powered
The magnitude of voltage of the energy storage device of device；
Described control module, is additionally operable to, when the magnitude of voltage of described energy storage device is less than charging voltage threshold value, control photovoltaic
Device charges to energy storage device.
Preferably, described acquisition module, be additionally operable to obtain solar power supply apparatus the output of photovoltaic devices and
The bearing power of air-conditioner；Acquisition module is additionally operable to
When the output of photovoltaic devices is more than the bearing power of air-conditioner, obtain the energy storage dress of solar power supply apparatus
The magnitude of voltage put；
Described control module, is additionally operable to, when the magnitude of voltage of energy storage device is less than the magnitude of voltage of charge threshold, control photovoltaic
Device charges to energy storage device.
Preferably, described acquisition module, be additionally operable to obtain solar power supply apparatus the output of photovoltaic devices and
The bearing power of air-conditioner；Acquisition module is additionally operable to
When the output of solar power supply apparatus is less than the bearing power of air-conditioner, obtain solar power supply apparatus
The magnitude of voltage of energy storage device；
Described control module, is additionally operable to, when the magnitude of voltage of energy storage device is more than the magnitude of voltage of minimum operation threshold, control
Energy storage device is powered to air-conditioner.
Preferably, described control module, be additionally operable to the output of photovoltaic devices and energy storage device output it
The value of sum be more than air-conditioner the value of bearing power when, or photovoltaic devices output be more than air-conditioner bearing power
When, control that city is electrically disconnected powers to air-conditioner.
Additionally, for achieving the above object, the present invention also provides a kind of solar air conditioner, including solar energy as above
Air conditioner controlling device.
The present invention started shooting by air-conditioner before and after ripple information difference, come true by the ripple information obtaining air-conditioner
Determine the state of air-conditioner, and when the state of air-conditioner is confirmed as opening, control the solar power supply apparatus of air-conditioner
Power to air-conditioner；Control whether solar power supply apparatus power to air-conditioner by the ripple information of air-conditioner, need not one
Directly power to air-conditioner, it is to avoid for the waste of electric flux, accurately powered to air-conditioner by ripple information, improve reliability
Property.
Brief description
Fig. 1 is the schematic flow sheet of the first embodiment of solar air conditioner control method of the present invention；
Fig. 2 is the configuration diagram of solar air conditioner in one embodiment of the invention；
Fig. 3 is the schematic flow sheet of the state determining air-conditioner in one embodiment of the invention according to described ripple information；
Fig. 4 is the schematic flow sheet of the state determining air-conditioner in another embodiment of the present invention according to described ripple information；
Fig. 5 is the schematic flow sheet of the second embodiment of solar air conditioner control method；
Fig. 6 is that the solar power supply apparatus controlling air-conditioner in one embodiment of the invention are illustrated to the flow process that air-conditioner is powered
Figure；
Fig. 7 is the schematic flow sheet of solar air conditioner power supply control in one embodiment of the invention；
Fig. 8 is the high-level schematic functional block diagram of an embodiment of solar air conditioner control device of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The present invention provides a kind of solar air conditioner control method.
With reference to Fig. 1, Fig. 1 is the schematic flow sheet of the first embodiment of solar air conditioner control method of the present invention.
In one embodiment, described solar air conditioner control method includes：
Step S10, obtains the ripple information of air-conditioner；
In the present embodiment, air-conditioner is solar air conditioner, and with reference to Fig. 2, described solar air conditioner includes：Photovoltaic fills
Put 1, photovoltaic converter 2, air-conditioner load 3, photovoltaic charger 4, energy storage device 5 and energy storage changer 6, wherein, photovoltaic devices 1
One tunnel connects air-conditioner load 3 through photovoltaic converter 2, and another road of photovoltaic devices 1 is connected with energy storage device 5 through photovoltaic charger 4,
Energy storage device 5 is passed through energy storage changer 6 and is connected with air-conditioner load 3.Photovoltaic devices 1 can give air-conditioning by photovoltaic converter 2
Device load 3 power supply is it is also possible to by photovoltaic charger 4 to energy storage device 5 charging energy-storing, energy storage device 5 is empty through energy storage changer 6
Adjust device load 3 power supply.When photovoltaic devices 1 have solar energy, or in Preset Time (19:00 or 18:30 grade user customs open sky
The time adjusted), or when reaching (10 minutes or 20 minutes etc.) interval time, the ripple information of acquisition air-conditioner, described stricture of vagina
Ripple information includes the information such as ripple voltage or ripple current, ripple frequency, in the present embodiment with ripple voltage and ripple current
As a example describe.
Step S20, determines the state of air-conditioner according to described ripple information；After getting the ripple information of air-conditioner,
Determine the state of air-conditioner according to described ripple information, the state of described air-conditioner includes opening and closed mode.Ripple
It is a kind of phenomenon being caused due to the voltage pulsation of DC stable power supply, because DC stable power supply is usually by alternating current power supply
The links such as rectified voltage stabilizing and formed, how much this just inevitably carry some Alternating Components in DC stabilization amount, this
Plant the AC compounent being superimposed upon in DC stabilization amount and be just referred to as ripple.And before and after air-conditioner start, dc bus ripple differs
Sample, by detecting DC bus-bar voltage or current ripples, judges whether air-conditioning starts shooting.
Specifically, when described ripple information is ripple voltage, with reference to Fig. 3, described empty according to the determination of described ripple information
The state adjusting device includes：
Step S21, when the value of described ripple voltage is more than predetermined voltage threshold, the state of air-conditioner is confirmed as out
Open；
Step S22, when the value of described ripple voltage is less than or equal to predetermined voltage threshold, the state of air-conditioner is determined
For shutdown.
It is provided with voltage threshold Vf in advance, described voltage threshold Vf can be suitable for for specific numerical value or one section
Ripple voltage value scope, by the setting of numerical value or scope, air-conditioner startup and shutdown are distinguished, by voltage threshold Vf
Difference, before embodying air-conditioner start ripple voltage be stable export, and after air-conditioner start, ripple voltage is fluctuation
, can there is fluctuating.After the ripple voltage obtaining air-conditioner, compare value and the predetermined voltage threshold of described ripple voltage,
When the value of described ripple voltage is more than predetermined voltage threshold, the state of air-conditioner is confirmed as opening；In described ripple voltage
When value is less than or equal to predetermined voltage threshold, the state of air-conditioner is confirmed as shutting down.
Specifically, when described ripple information is ripple current, with reference to Fig. 4, described empty according to the determination of described ripple information
The state adjusting device includes：
Step S23, when the value of described ripple current is more than predetermined current threshold, the state of air-conditioner is confirmed as out
Open；
Step S24, when the value of described ripple current is less than or equal to predetermined current threshold, the state of air-conditioner is determined
For shutdown.It is provided with current threshold If, If=Vf/R in advance, wherein R is resistance, And if Vf is positive correlation.Described current threshold
If can be specific numerical value or one section of applicable ripple current value scope, by the setting of numerical value or scope, by sky
Device startup and shutdown are adjusted to distinguish, by the difference of current threshold If, before embodying air-conditioner start, ripple current is defeated for stablizing
Go out, and after air-conditioner start, ripple current is fluctuation, can there is fluctuating.After the ripple current obtaining air-conditioner, compare
The value of described ripple current and predetermined current threshold, when the value of described ripple current is more than predetermined current threshold, air-conditioner
State is confirmed as opening；When the value of described ripple current is less than or equal to predetermined current threshold, the state of air-conditioner is true
It is set to shutdown.
Step S30, when the state of air-conditioner is confirmed as opening, the solar power supply apparatus controlling air-conditioner are to air-conditioning
Device is powered.
Described control air-conditioner solar power supply apparatus to air-conditioner power including：Solar power supply apparatus are individually to sky
Adjust device to power (photovoltaic devices and/or energy storage device are powered), or solar power supply apparatus are powered to air-conditioner together with civil power.?
When the state of air-conditioner is confirmed as closing, the solar power supply apparatus of air-conditioner are controlled not power to air-conditioner.
In a preferred embodiment of the present invention, in order to preferably utilize solar energy resources, it is determined in the state of air-conditioner
For, during shutdown, obtaining the magnitude of voltage of the energy storage device of solar power supply apparatus；It is less than in the magnitude of voltage of described energy storage device and charge
During voltage threshold, photovoltaic devices are controlled to charge to energy storage device.That is, when energy storage device can also store electricity, photovoltaic devices 1
By photovoltaic charger 4, energy storage device 5 is charged.The present embodiment started shooting by air-conditioner before and after ripple information difference, lead to
Cross the state to determine air-conditioner for the ripple information obtaining air-conditioner, and when the state of air-conditioner is confirmed as opening,
The solar power supply apparatus controlling air-conditioner are powered to air-conditioner；Solar powered dress is controlled by the ripple information of air-conditioner
Put and whether power to air-conditioner, need not power to air-conditioner always, it is to avoid be for the waste of electric flux, accurate by ripple information
Power to air-conditioner, improve reliability.
In a preferred embodiment of the present invention, while guaranteeing that air-conditioner is powered, improve the utilization of solar energy resources, ginseng
Examine Fig. 5, after the solar power supply apparatus of described control air-conditioner are powered to air-conditioner, also include：
Step S40, obtains the output of photovoltaic devices of solar power supply apparatus and the bearing power of air-conditioner；
Step S50, when the output of photovoltaic devices is more than the bearing power of air-conditioner, obtains solar power supply apparatus
Energy storage device magnitude of voltage；
Step S60, when the magnitude of voltage of energy storage device is less than the magnitude of voltage of charge threshold, controls photovoltaic devices to fill to energy storage
Put charging.When the load of the enough air-conditioners of energy produced by photovoltaic devices 1 uses, i.e. also have photovoltaic devices 1 to also have residue
Energy when, obtain solar power supply apparatus energy storage device 5 magnitude of voltage, (filled reaching by the magnitude of voltage of charge threshold
The magnitude of voltage of electric threshold value, then electricity is full, need not recharge, and in the magnitude of voltage less than charge threshold, can continue to charge, directly
To the magnitude of voltage reaching charge threshold, the magnitude of voltage of charge threshold arranges difference according to the capacity difference of the battery of energy storage device
Value) judgement, determine energy storage device the need of charging energy reserve, be less than charge threshold in the magnitude of voltage of energy storage device
During magnitude of voltage, i.e. when energy storage device can also charge, photovoltaic devices 1 are controlled to charge to energy storage device 5 through photovoltaic charger 4.
In a preferred embodiment of the present invention, in order to make full use of the electric energy of solar power supply apparatus, with reference to Fig. 6, described
Control air-conditioner solar power supply apparatus to air-conditioner power including：
Step S31, obtains the output of photovoltaic devices of solar power supply apparatus and the bearing power of air-conditioner；
Step S32, when the output of solar power supply apparatus is less than the bearing power of air-conditioner, obtains solar energy and supplies
The magnitude of voltage of the energy storage device of electric installation；
Step S33, when the magnitude of voltage of energy storage device is more than the magnitude of voltage of minimum operation threshold, controls energy storage device to sky
Device is adjusted to power.When the output of photovoltaic devices 1 is not enough to the load supplying air-conditioner completely, need to check energy storage device 5
The load supplying of air-conditioner whether can be given, obtain the magnitude of voltage of the energy storage device of sun energy electric supply installation, in the electricity of energy storage device 5
When pressure value is more than the magnitude of voltage of minimum operation threshold, i.e. when energy storage device 5 can provide electric energy, by energy storage variator 6 to
Air-conditioner is powered.In order to preferably control the power supply of air-conditioner, save city's electric resources, the control that air-conditioner is powered is included：?
When the value of the output sum of the output of photovoltaic devices and energy storage device is more than the value of bearing power of air-conditioner, or
When the output of photovoltaic devices is more than the bearing power of air-conditioner, control that city is electrically disconnected powers to air-conditioner.That is, in solar energy
When electric supply installation can not meet the power demands of air-conditioner load, just powered to air-conditioner by civil power, make full use of the sun
Energy resource, saves city's electric resources to greatest extent.
In order to preferably describe the embodiment of the present invention, with reference to Fig. 7, including：
Step S100, obtains the ripple voltage of air-conditioner dc bus；
Step S200, judges whether DC bus-bar voltage is more than Vf？If so, execution step S400, if it is not, execution step
S300；
Step S300, air-conditioner is in off-mode；
Step S400, air-conditioner is in open state；
Step S500, photovoltaic converter exports pwm control signal；
Step S600, whether air-conditioner outdoor unit power is more than the output of photovoltaic converter？If it is not, execution step
S700, if so, execution step S800；
Step S700, whether the battery of detection energy storage device is more than charge threshold voltage Vt；If so, execution step S600,
If it is not, execution step S900；
Step S900, starts photovoltaic charger and controls to energy storage device charging；
Step S800, starts energy storage changer and powers to air-conditioner；
Step S1000, whether air-conditioner outdoor unit power is more than the output of photovoltaic converter and the defeated of energy storage device
Go out power sum？If so, powered from civil power to air-conditioner, if it is not, returning execution step S600.
Before and after air-conditioning start, DC bus-bar voltage ripple is different, by detecting DC bus-bar voltage ripple, judges
Control whether to start shooting, specifically, if bus ripple voltage threshold values is more than Vf then it represents that air-conditioning is in open state, photovoltaic becomes
Parallel operation controls boosting or reduction voltage circuit work.
Further, detect the cell voltage of energy storage changer, when photovoltaic output Pv is more than air conditioner load power P k,
Battery as energy storage changer is less than charge threshold voltage Vt, then photovoltaic charger is started working, if photovoltaic output Pv
Less than air conditioner load power P k, detect energy storage inverter battery voltage, if energy storage inverter battery voltage is more than battery minimum
Running voltage threshold values Vm, then energy storage convertor controls booster circuit work, give air-conditioning bussed supply, if air conditioner load is big simultaneously
In photovoltaic converter output and energy storage changer output sum, then inadequate by mains-supplied,
If bus ripple voltage is less than threshold voltage Vf, air-conditioning is in off-mode, the electricity of detection energy storage changer
Cell voltage, such as cell voltage are less than Vt, then photovoltaic charger is started working, and such as cell voltage is more than Vt, and energy storage changer stops
Work.
Based on said method, the present invention further provides a kind of solar air conditioner control device.
With reference to Fig. 8, Fig. 8 is the high-level schematic functional block diagram of an embodiment of solar air conditioner control device of the present invention.
In one embodiment, described solar air conditioner control device includes：Acquisition module 10, determining module 20 and control
Module 30.
Described acquisition module 10, for obtaining the ripple information of air-conditioner；
In the present embodiment, air-conditioner is solar air conditioner, and with reference to Fig. 2, described solar air conditioner includes：Photovoltaic fills
Put 1, photovoltaic converter 2, air-conditioner load 3, photovoltaic charger 4, energy storage device 5 and energy storage changer 6, wherein, photovoltaic devices 1
One tunnel connects air-conditioner load 3 through photovoltaic converter 2, and another road of photovoltaic devices 1 is connected with energy storage device 5 through photovoltaic charger 4,
Energy storage device 5 is passed through energy storage changer 6 and is connected with air-conditioner load 3.Photovoltaic devices 1 can give air-conditioning by photovoltaic converter 2
Device load 3 power supply is it is also possible to by photovoltaic charger 4 to energy storage device 5 charging energy-storing, energy storage device 5 is empty through energy storage changer 6
Adjust device load 3 power supply.When photovoltaic devices 1 have solar energy, or in Preset Time (19:00 or 18:30 grade user customs open sky
The time adjusted), or when reaching (10 minutes or 20 minutes etc.) interval time, the ripple information of acquisition air-conditioner, described stricture of vagina
Ripple information includes the information such as ripple voltage or ripple current, ripple frequency, in the present embodiment with ripple voltage and ripple current
As a example describe.
Described determining module 20, for determining the state of air-conditioner according to described ripple information；Getting air-conditioner
After ripple information, determine the state of air-conditioner according to described ripple information, the state of described air-conditioner includes opening and pass
Closed state.Ripple is a kind of phenomenon being caused due to the voltage pulsation of DC stable power supply, because DC stable power supply is general
Formed by links such as the rectified voltage stabilizings of alternating current power supply, how much this just inevitably carries in DC stabilization amount
Alternating Component, this AC compounent being superimposed upon in DC stabilization amount is just referred to as ripple.And before and after air-conditioner start, direct current is female
Strain line ripple is different, by detecting DC bus-bar voltage or current ripples, judges whether air-conditioning starts shooting.
Specifically, when described ripple information is ripple voltage, described determining module 20 is additionally operable in described ripple voltage
Value when being more than predetermined voltage threshold, the state of air-conditioner is confirmed as opening；Determining module 20 is additionally operable to
When the value of described ripple voltage is less than or equal to predetermined voltage threshold, the state of air-conditioner is confirmed as shutting down.
It is provided with voltage threshold Vf in advance, described voltage threshold Vf can be suitable for for specific numerical value or one section
Ripple voltage value scope, by the setting of numerical value or scope, air-conditioner startup and shutdown are distinguished, by voltage threshold Vf
Difference, before embodying air-conditioner start ripple voltage be stable export, and after air-conditioner start, ripple voltage is fluctuation
, can there is fluctuating.After the ripple voltage obtaining air-conditioner, compare value and the predetermined voltage threshold of described ripple voltage,
When the value of described ripple voltage is more than predetermined voltage threshold, the state of air-conditioner is confirmed as opening；In described ripple voltage
When value is less than or equal to predetermined voltage threshold, the state of air-conditioner is confirmed as shutting down.
Specifically, when described ripple information is ripple current, described determining module 20, it is additionally operable in described ripple current
Value when being more than predetermined current threshold, the state of air-conditioner is confirmed as opening；Determining module 20 is additionally operable to
When the value of described ripple current is less than or equal to predetermined current threshold, the state of air-conditioner is confirmed as shutting down.
It is provided with current threshold If, If=Vf/R in advance, wherein R is resistance, And if Vf is positive correlation.Described current threshold If can be
Specific numerical value or one section of applicable ripple current value scope, by the setting of numerical value or scope, air-conditioner are started shooting
Distinguish with shutdown, by the difference of current threshold If, before embodying air-conditioner start, ripple current is stable output, and in sky
After adjusting device start, ripple current is fluctuation, can there is fluctuating.After the ripple current obtaining air-conditioner, compare described ripple
The value of electric current and predetermined current threshold, when the value of described ripple current is more than predetermined current threshold, the state of air-conditioner is true
It is set to unlatching；When the value of described ripple current is less than or equal to predetermined current threshold, the state of air-conditioner is confirmed as shutting down.
Described control module 30, when being confirmed as opening for the state in air-conditioner, controls the solar energy of air-conditioner to supply
Electric installation is powered to air-conditioner.
Described control air-conditioner solar power supply apparatus to air-conditioner power including：Solar power supply apparatus are individually to sky
Adjust device to power (photovoltaic devices and/or energy storage device are powered), or solar power supply apparatus are powered to air-conditioner together with civil power.?
When the state of air-conditioner is confirmed as closing, the solar power supply apparatus of air-conditioner are controlled not power to air-conditioner.
In a preferred embodiment of the present invention, in order to preferably utilize solar energy resources, it is determined in the state of air-conditioner
For, during shutdown, obtaining the magnitude of voltage of the energy storage device of solar power supply apparatus；It is less than in the magnitude of voltage of described energy storage device and charge
During voltage threshold, photovoltaic devices are controlled to charge to energy storage device.That is, when energy storage device can also store electricity, photovoltaic devices 1
By photovoltaic charger 4, energy storage device 5 is charged.The present embodiment started shooting by air-conditioner before and after ripple information difference, lead to
Cross the state to determine air-conditioner for the ripple information obtaining air-conditioner, and when the state of air-conditioner is confirmed as opening,
The solar power supply apparatus controlling air-conditioner are powered to air-conditioner；Solar powered dress is controlled by the ripple information of air-conditioner
Put and whether power to air-conditioner, need not power to air-conditioner always, it is to avoid be for the waste of electric flux, accurate by ripple information
Power to air-conditioner, improve reliability.
In a preferred embodiment of the present invention, while guaranteeing that air-conditioner is powered, improve the utilization of solar energy resources, institute
State acquisition module 10, be additionally operable to obtain the output of photovoltaic devices of solar power supply apparatus and the load work(of air-conditioner
Rate；Acquisition module 10 is additionally operable to
When the output of photovoltaic devices is more than the bearing power of air-conditioner, obtain the energy storage dress of solar power supply apparatus
The magnitude of voltage put；
Described control module 30, is additionally operable to, when the magnitude of voltage of energy storage device is less than the magnitude of voltage of charge threshold, control light
Volt device charges to energy storage device.When the load of the enough air-conditioners of energy produced by photovoltaic devices 1 uses, i.e. also have light
When volt device 1 also has remaining energy, obtain the magnitude of voltage of the energy storage device 5 of solar power supply apparatus, by charge threshold
Magnitude of voltage (reaching the magnitude of voltage of charge threshold, then electricity is full, need not recharge, in the magnitude of voltage less than charge threshold,
Can continue to charge, until it reaches the magnitude of voltage of charge threshold, the magnitude of voltage of charge threshold is according to the appearance of the battery of energy storage device
Amount is different and different values are set) judgement, determine energy storage device the need of charging energy reserve, in the voltage of energy storage device
When value is less than the magnitude of voltage of charge threshold, i.e. when energy storage device can also charge, control photovoltaic devices 1 through photovoltaic charger 4
Charge to energy storage device 5.
In a preferred embodiment of the present invention, in order to make full use of the electric energy of solar power supply apparatus, described acquisition module
10, it is additionally operable to obtain the output of photovoltaic devices of solar power supply apparatus and the bearing power of air-conditioner；Acquisition module
10 are additionally operable to
When the output of solar power supply apparatus is less than the bearing power of air-conditioner, obtain solar power supply apparatus
The magnitude of voltage of energy storage device；
Described control module 30, is additionally operable to when the magnitude of voltage of energy storage device is more than the magnitude of voltage of minimum operation threshold, control
Energy storage device processed is powered to air-conditioner.When the output of photovoltaic devices 1 is not enough to the load supplying air-conditioner completely, need
Check whether energy storage device 5 to the load supplying of air-conditioner, can obtain the magnitude of voltage of the energy storage device of sun energy electric supply installation,
When the magnitude of voltage of energy storage device 5 is more than the magnitude of voltage of minimum operation threshold, i.e. when energy storage device 5 can provide electric energy, pass through
Energy storage variator 6 is powered to air-conditioner.In order to preferably control the power supply of air-conditioner, save city's electric resources, air-conditioner is powered
Control include：It is more than the load work(of air-conditioner in the value of the output of photovoltaic devices and the output sum of energy storage device
During the value of rate, or when the output of photovoltaic devices is more than the bearing power of air-conditioner, control city electrically disconnected to air-conditioner confession
Electricity.That is, when solar power supply apparatus can not meet the power demands of air-conditioner load, just pass through civil power and supply to air-conditioner
Electricity, makes full use of solar energy resources, saves city's electric resources to greatest extent.
Based on said apparatus, the present invention also proposes a solar air conditioner, and described solar air conditioner includes off-premises station, room
The conventional components such as interior machine, photovoltaic devices, photovoltaic converter, energy storage device, energy storage changer and photovoltaic charger, are also included as above
Described solar air conditioner control device.The solar air conditioner of the present embodiment started shooting by air-conditioner before and after ripple information
Difference, the state of air-conditioner is determined by the ripple information obtaining air-conditioner, and the state in air-conditioner is confirmed as out
When opening state, the solar power supply apparatus of air-conditioner are controlled to power to air-conditioner；Controlled too by the ripple information of air-conditioner
Whether sun can electric supply installation power to air-conditioner, need not power to air-conditioner always, it is to avoid for the waste of electric flux, by stricture of vagina
Ripple information is accurately powered to air-conditioner, improves reliability.
These are only the preferred embodiments of the present invention, not thereby limit the present invention the scope of the claims, every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (13)
1. a kind of solar air conditioner control method is it is characterised in that include step：
Obtain the ripple information of air-conditioner；
Determine the state of air-conditioner according to described ripple information；
When the state of air-conditioner is confirmed as opening, the solar power supply apparatus of air-conditioner are controlled to power to air-conditioner.
2. solar air conditioner control method as claimed in claim 1 is it is characterised in that the ripple information of described air-conditioner is
According to described ripple information, ripple voltage, described determines that the state of air-conditioner includes：
When the value of described ripple voltage is more than predetermined voltage threshold, the state of air-conditioner is confirmed as opening；
When the value of described ripple voltage is less than or equal to predetermined voltage threshold, the state of air-conditioner is confirmed as shutting down；
The ripple information of described air-conditioner is ripple voltage, described determines that the state of air-conditioner includes according to described ripple information：
When the value of described ripple current is more than predetermined current threshold, the state of air-conditioner is confirmed as opening；
When the value of described ripple current is less than or equal to predetermined current threshold, the state of air-conditioner is confirmed as shutting down.
3. solar air conditioner control method as claimed in claim 1 is it is characterised in that described true according to described ripple information
After determining the state of air-conditioner, also include：
When the state of air-conditioner is confirmed as shutdown, obtain the magnitude of voltage of the energy storage device of solar power supply apparatus；
When the magnitude of voltage of described energy storage device is less than charging voltage threshold value, photovoltaic devices are controlled to charge to energy storage device.
4. solar air conditioner control method as claimed in claim 1 is it is characterised in that the solar energy of described control air-conditioner
After electric supply installation is powered to air-conditioner, also include：
Obtain the output of photovoltaic devices of solar power supply apparatus and the bearing power of air-conditioner；
When the output of photovoltaic devices is more than the bearing power of air-conditioner, obtain the energy storage device of solar power supply apparatus
Magnitude of voltage；
When the magnitude of voltage of energy storage device is less than the magnitude of voltage of charge threshold, photovoltaic devices are controlled to charge to energy storage device.
5. solar air conditioner control method as described in any one of Claims 1-4 is it is characterised in that described air-conditioner
It is the photovoltaic devices of solar power supply apparatus that solar power supply apparatus are powered to air-conditioner and energy storage device supplies to air-conditioner jointly
Electricity, the solar power supply apparatus of described control air-conditioner to air-conditioner power including：
Obtain the output of photovoltaic devices of solar power supply apparatus and the bearing power of air-conditioner；
When the output of solar power supply apparatus is less than the bearing power of air-conditioner, obtain the energy storage of solar power supply apparatus
The magnitude of voltage of device；
When the magnitude of voltage of energy storage device is more than the magnitude of voltage of minimum operation threshold, energy storage device is controlled to power to air-conditioner.
6. the solar air conditioner control method as described in any one of Claims 1-4 is it is characterised in that methods described is also wrapped
Include：
It is more than the value of the bearing power of air-conditioner in the value of the output of photovoltaic devices and the output sum of energy storage device
When, or when the output of photovoltaic devices is more than the bearing power of air-conditioner, control that city is electrically disconnected powers to air-conditioner.
7. a kind of solar air conditioner control device is it is characterised in that include：
Acquisition module, for obtaining the ripple information of air-conditioner；
Determining module, for determining the state of air-conditioner according to described ripple information；
Control module, when being confirmed as opening for the state in air-conditioner, the solar power supply apparatus controlling air-conditioner are to sky
Device is adjusted to power.
8. solar air conditioner control device as claimed in claim 7 is it is characterised in that the ripple information of described air-conditioner is
Ripple voltage, described determining module is used for
When the value of described ripple voltage is more than predetermined voltage threshold, the state of air-conditioner is confirmed as opening；Determining module is also
For
When the value of described ripple voltage is less than or equal to predetermined voltage threshold, the state of air-conditioner is confirmed as shutting down；
The ripple information of described air-conditioner is ripple current, and determining module is additionally operable to
When the value of described ripple current is more than predetermined current threshold, the state of air-conditioner is confirmed as opening；Determining module is also
For
When the value of described ripple current is less than or equal to predetermined current threshold, the state of air-conditioner is confirmed as shutting down.
9. solar air conditioner control device as claimed in claim 7, it is characterised in that described acquisition module, is additionally operable to
When the state of air-conditioner is confirmed as shutdown, obtain the magnitude of voltage of the energy storage device of solar power supply apparatus；
Described control module, is additionally operable to, when the magnitude of voltage of described energy storage device is less than charging voltage threshold value, control photovoltaic devices
Charge to energy storage device.
10. solar air conditioner control device as claimed in claim 7, it is characterised in that described acquisition module, is additionally operable to obtain
Take the output of the photovoltaic devices of solar power supply apparatus and the bearing power of air-conditioner；Acquisition module is additionally operable to
When the output of photovoltaic devices is more than the bearing power of air-conditioner, obtain the energy storage device of solar power supply apparatus
Magnitude of voltage；
Described control module, is additionally operable to, when the magnitude of voltage of energy storage device is less than the magnitude of voltage of charge threshold, control photovoltaic devices
Charge to energy storage device.
11. solar air conditioner control devices as described in any one of claim 7 to 10 are it is characterised in that described acquisition mould
Block, is additionally operable to obtain the output of photovoltaic devices of solar power supply apparatus and the bearing power of air-conditioner；Acquisition module
It is additionally operable to
When the output of solar power supply apparatus is less than the bearing power of air-conditioner, obtain the energy storage of solar power supply apparatus
The magnitude of voltage of device；
Described control module, is additionally operable to, when the magnitude of voltage of energy storage device is more than the magnitude of voltage of minimum operation threshold, control energy storage
Device is powered to air-conditioner.
12. solar air conditioner control devices as described in right wants 7 to 10 any one it is characterised in that described control module,
The value being additionally operable to output sum in the output of photovoltaic devices and energy storage device is more than the bearing power of air-conditioner
During value, or when the output of photovoltaic devices is more than the bearing power of air-conditioner, control that city is electrically disconnected powers to air-conditioner.
A kind of 13. solar air conditioners are it is characterised in that include the solar airconditioning as described in any one of claim 7 to 12
Device control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610942844.7A CN106482300A (en) | 2016-10-31 | 2016-10-31 | Solar air conditioner control method, device and solar air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610942844.7A CN106482300A (en) | 2016-10-31 | 2016-10-31 | Solar air conditioner control method, device and solar air conditioner |
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