CN103023127A - Solar air conditioner and power supply method thereof - Google Patents
Solar air conditioner and power supply method thereof Download PDFInfo
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- CN103023127A CN103023127A CN2012105826574A CN201210582657A CN103023127A CN 103023127 A CN103023127 A CN 103023127A CN 2012105826574 A CN2012105826574 A CN 2012105826574A CN 201210582657 A CN201210582657 A CN 201210582657A CN 103023127 A CN103023127 A CN 103023127A
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Abstract
A power supply method of a solar air conditioner includes: controlling a photovoltaic cell set to power the air conditioner, and monitoring output power of the photovoltaic cell set in real time; if the detected output power of the photovoltaic cell set is smaller than a set value; controlling an internal electrical storage device to supplement power supply so as to co-power the air conditioner with the photovoltaic cell set. The output power of the photovoltaic cell set is monitored in real time to allow the photovoltaic cell set to provide the air conditioner with stable power supply. If the detected output power of the photovoltaic cell set is smaller than the set value, the internal electrical storage device is controlled to supplement power supply so as to co-power the air conditioner with the photovoltaic cell set. Therefore, sudden power failure of the air conditioner caused by sudden failure or causes of a solar module or the photovoltaic cell set is avoided causing unavailability of the air conditioner, and damage of the air conditioner caused by abnormal start and stop is also avoided.
Description
Technical field
The present invention relates to a kind of air-conditioning equipment, particularly relate to the method for supplying power to of a kind of solar airconditioning and this air-conditioning.
Background technology
Now to the family expenses such as air-conditioning or vehicle mounted electrical apparatus equipment, it is more and more higher that environmental protection, intelligence require, so developed solar airconditioning to satisfy the client to the requirement of environmental protection.But the efficient of existing solar airconditioning is lower, can't finely meet the demands.And existing solar airconditioning operated by rotary motion inverter is alternating current with the DC power supply inversion of the output of photovoltaic cell group, power supply is to air-conditioning, further reduced the utilization ratio of solar energy, and owing to using inverter to make whole solar airconditioning volume larger, and because the inverter volume is larger, inverter and air-conditioning partly can only be installed separately setting, install extremely inconvenient, and since the restriction of automobile installing space can't well install and use at automobile.Because solar energy module part, inverter, air-conditioning part all are installed separately setting, its wiring is also comparatively loaded down with trivial details, installs, safeguards also extremely inconvenience.
Be used in particular for vehicle environment, the power supply less stable of solar energy, if solar panels occur because power supply trouble or obstructed situation appear in a variety of causes temporarily, then can't divide air-conditioning part and power, so that the suddenly out-of-work situation of outage appears in air-conditioning part branch, must restart air-conditioning and carry out work, and often suddenly outage causes that air-conditioning is improper to stop also very easily to damage air-conditioning, has a strong impact on the useful life of air-conditioning.
Summary of the invention
Based on this, be necessary to provide a kind of solar airconditioning method of supplying power to that can improve for electrical stability.
Simultaneously, provide a kind of a kind of solar airconditioning that can improve for electrical stability that provides.
A kind of solar airconditioning method of supplying power to comprises:
Control photovoltaic cell group is powered to aircondition,
The power output of Real-Time Monitoring photovoltaic cell group,
If detect the power output of photovoltaic cell group less than set point, then control built-in electrical storage device and carry out supplementary power, jointly to power to aircondition with the photovoltaic cell group.
In a preferred embodiment, the photovoltaic cell group is powered to aircondition by built-in electrical storage device, and aircondition is the direct current supply aircondition; The out-put supply of photovoltaic cell group through controller for solar change into for the voltage source that is complementary with the aircondition power reguirements to power to aircondition by built-in electrical storage device.
In a preferred embodiment, if the power output that detects the power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device is then controlled external power supply and photovoltaic cell group and is jointly powered to aircondition less than set point.
In a preferred embodiment, described external power supply comprises: external electric energy storage device, the power supply that the power demands of described external electric energy storage device output and aircondition is complementary, with direct power supply to aircondition; If detect the power output of the power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, then control external electric energy storage device and photovoltaic cell group and jointly power to aircondition.
In a preferred embodiment, described external power supply also comprises: the Switching Power Supply that civil power is converted to the voltage source that is complementary with described aircondition power reguirements, Switching Power Supply is powered to aircondition by built-in electrical storage device, if detect the power output of the power output of power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, then the switch of the closed access of control Switching Power Supply is powered to aircondition jointly with control switch power supply out-put supply and photovoltaic cell group; Described photovoltaic cell group inputs to built-in electric energy storage device after the controller for solar conversion supply voltage is higher than the supply voltage that described Switching Power Supply is exported; The dc power output end of Switching Power Supply is provided with the switching device that one-way conduction output is powered.
In a preferred embodiment, described external power supply comprises: external electric energy storage device, civil power converted to the voltage source that is complementary with described aircondition power reguirements Switching Power Supply; If detect the power output of the power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, then controlling external electric energy storage device and photovoltaic cell group powers jointly to aircondition, if detect the gross output of external electric energy storage device and photovoltaic cell group less than set point, then control photovoltaic cell group, external electric energy storage device and Switching Power Supply and jointly power to aircondition.
In a preferred embodiment, if the power output that detects the photovoltaic cell group, is then controlled photovoltaic cell greater than the load power demand unnecessary power distribution is charged to built-in electrical storage device or external electrical storage device, and control is preferential to built-in electrical storage device charging; If detecting the output current of built-in electrical storage device is lower than and allows set point, then control photovoltaic cell group or photovoltaic cell group and external power supply built-in electrical storage device is charged, and preferentially power by relative high output voltage control photovoltaic cell group is set.
A kind of solar airconditioning comprises: aircondition, be connected with described aircondition and for built-in electrical storage device, the photovoltaic cell group that is connected with described built-in electrical storage device of this aircondition power supply, reach the air-conditioner controller that is connected with described photovoltaic cell group; Described photovoltaic cell group is connected with described built-in electrical storage device by controller for solar and powers to aircondition by this built-in electrical storage device; Described aircondition is the direct current supply aircondition, and described air-conditioner controller control photovoltaic cell group is powered to aircondition; Described controller for solar converts the out-put supply of photovoltaic cell group to Power supply that the power reguirements with built-in electrical storage device or aircondition is complementary to described aircondition; The power output of described air-conditioner controller Real-Time Monitoring photovoltaic cell group or controller for solar, if described air-conditioner controller detects the power output of photovoltaic cell group less than set point, then control built-in electrical storage device and carry out supplementary power, jointly to power to aircondition with the photovoltaic cell group.
In a preferred embodiment, also comprise: the external power supply that is connected with aircondition; If air-conditioner controller detects the power output of the power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, then control starts external power supply and the photovoltaic cell group is powered jointly to aircondition.
In a preferred embodiment, described external power supply comprises: external electric energy storage device, access civil power also convert civil power to the Switching Power Supply of the out-put supply that the power reguirements with described aircondition is complementary; If described air-conditioner controller detects the power output of the power output of described photovoltaic cell group or described photovoltaic cell group and built-in electrical storage device less than set point, then control external electric energy storage device and photovoltaic cell group and jointly power to aircondition; If detect the gross output of external electric energy storage device and photovoltaic cell group less than set point, then control photovoltaic cell group, external electric energy storage device and Switching Power Supply and jointly power to aircondition.
Above-mentioned solar airconditioning and the method for supplying power to of this air-conditioning, power output by Real-Time Monitoring photovoltaic cell group, so that the photovoltaic cell group provides stable power supply for aircondition, if detect the power output of photovoltaic cell group less than set point, then control built-in electrical storage device and carry out supplementary power, jointly to power to aircondition with the photovoltaic cell group, avoid solar energy module or photovoltaic cell group to cause aircondition to cut off the power supply suddenly because of catastrophic failure or reason, cause aircondition to use, avoid simultaneously aircondition to cause damage because of improper start-stop.
The power output of while Real-Time Monitoring photovoltaic cell group, if the power output of photovoltaic cell group is greater than set point, then controlling the photovoltaic cell group supplies with unnecessary electric energy to built-in electrical storage device or external storage battery and charges, avoid photovoltaic cell group output current other components and parts of too high infringement or aircondition even load, simultaneously, can the storage of solar energy that daytime is relatively sufficient get up and carry out under the environment for evening or solar energy shortage.
Description of drawings
Fig. 1 is the part-structure schematic diagram of the solar airconditioning of one embodiment of the invention;
Fig. 2 is the part-structure schematic diagram that the external power supply of one embodiment of the invention adopts the solar airconditioning that external electrical storage device powers;
Fig. 3 is the part-structure schematic diagram that the external power supply of one embodiment of the invention adopts the solar airconditioning that the access civil power powers;
Fig. 4 is the part-structure schematic diagram that the external power supply of one embodiment of the invention adopts the solar airconditioning that external electrical storage device and civil power power;
Fig. 5 is the schematic flow sheet of the solar airconditioning method of supplying power to of one embodiment of the invention;
Fig. 6 is that the solar airconditioning of one embodiment of the invention is installed in the schematic diagram on the vehicle.
Embodiment
As shown in Figure 1, the solar airconditioning 100 of one embodiment of the invention comprises: aircondition 20, be connected with aircondition 20 and be the solar energy module 60 of these aircondition 20 power supplies.
In the present embodiment, solar energy module 60 comprises: photovoltaic cell group 66, controller for solar.The controller for solar of the present embodiment is preferably MPPT(Maximum Power Point Tracking, MPPT maximum power point tracking) controller 64.64 pairs of photovoltaic cell groups 66 of MPPT controller are controlled, and convert the out-put supply of photovoltaic cell group 66 to power supply that the power reguirements with aircondition 20 is complementary, and power supply is to aircondition 20.
In the present embodiment, because photovoltaic cell group 66 is installed in outdoor absorption sunlight and carries out electric power storage.Photovoltaic cell group 66 has one section transmission range from the aircondition 20 of power supply, and in order to reduce the loss in the transmission course, the photovoltaic cell group 66 of the present embodiment can be selected the output voltage of DC100V-240V.According to repeatedly test practice, in conjunction with electrical safety with reduce the wastage etc. and comprehensively to consider, the output voltage of the photovoltaic cell group 66 of this enforcement is preferably DC150V.Logical MPPT controller 64 converts photovoltaic cell group 66 output 150V power supplys to aircondition 20 even loads required voltage source such as DC48V again.
To aircondition 20, aircondition 20 is the direct current supply aircondition to the photovoltaic cell group 66 of the present embodiment by built-in electrical storage device 42 power supplies.
Further, the photovoltaic cell group 66 of the present embodiment is converted into the voltage source that is complementary with aircondition 20 power reguirements through MPPT controller 64, to power to aircondition 20 by built-in electrical storage device 42.
Further, the built-in electrical storage device 42 of the present embodiment can be internal battery 420, also can be super capacitor or large bulk capacitance 422.
Air-conditioner controller 200 control photovoltaic cell groups 66 are powered to aircondition 20 by built-in electrical storage device 42.Air-conditioner controller 200 is the power output of Real-Time Monitoring photovoltaic cell group 66 simultaneously, according to the power output situation control power supply of the photovoltaic cell group 66 that detects.
If air-conditioner controller detects the power output of photovoltaic cell group 66 less than set point, then control built-in electrical storage device 42 internal discharges and carry out supplementary power.
Further, the solar airconditioning 100 of the present embodiment also is connected with external power supply.If air-conditioner controller 200 detects the power output of the power output of photovoltaic cell group 66 or photovoltaic cell group 66 and built-in electrical storage device 42 less than set point, then control external power supply and photovoltaic cell group 66 is powered jointly to aircondition 20.The external power supply of the present embodiment can be set to the Switching Power Supply 80 of external electrical storage device 44 or access civil power as required.
As shown in Figure 2, if external power supply is set to external electrical storage device 44, then external electric energy storage device 44 directly the power supply that is complementary of the power demands of output and aircondition 20, with direct power supply to aircondition 20.If air-conditioner controller 200 detects the power output of the power output of photovoltaic cell group 66 or photovoltaic cell group 66 and built-in electrical storage device 42 less than set point, then air-conditioner controller 200 is controlled the access K switch of closed external electric energy storage device 44, start external electric energy storage device 44, control external electric energy storage device 44 and jointly power to aircondition 20 with photovoltaic cell group 66.Air-conditioner controller 200 also can be controlled external electric energy storage device 44, built-in electrical storage device 42 and photovoltaic cell group 66 and jointly power to aircondition 20.
As shown in Figure 3, if external power supply is the Switching Power Supply 80 of access civil power, Switching Power Supply 80 is converted to the DC power supply that the power reguirements with aircondition 20 is complementary with civil power, and power supply is to aircondition 20.The output of Switching Power Supply 80 is provided with the one-way conduction switch.The one-way conduction switch is preferably diode D1, enters into Switching Power Supply 80 damage components and parts to prevent that direct current from flowing backwards.If air-conditioner controller 200 detects the power output of the power output of photovoltaic cell group 66 or photovoltaic cell group 66 and built-in electrical storage device 42 less than set point, then air-conditioner controller 200 is controlled the access K switch of Closing Switch power supplys 80, starting switch power supply 80, control switch power supply 80 is powered to aircondition 20 jointly with photovoltaic cell group 66.Air-conditioner controller 200 also can control switch power supply 80, built-in electrical storage device 42 and photovoltaic cell group 66 are powered jointly to aircondition 20.
As shown in Figure 4, if external power supply both had been provided with external electrical storage device 44, also be provided with the Switching Power Supply 80 of access civil power.
If air-conditioner controller 200 detects the power output of photovoltaic cell group 66 or photovoltaic cell group 66 and built-in electrical storage device 42 less than set point, then the closed external electric energy storage device of air-conditioner controller 200 controls accesses K switch, start external electric energy storage device 44, so that external electric energy storage device 44 is powered to aircondition 20 jointly with photovoltaic cell group 66.Air-conditioner controller 200 also can be controlled external electric energy storage device 44, built-in electrical storage device 42 and photovoltaic cell group 66 and jointly power to aircondition 20.
If air-conditioner controller 200 detects the power output of the power output of photovoltaic cell group 66 and external electric energy storage device 44 or photovoltaic cell group 66 and built-in electrical storage device 42 and external electric energy storage device 44 less than set point, then air-conditioner controller 200 controls start the Switching Power Supply 80 of access civil power, Switching Power Supply 80 is converted to the DC power supply output that the power reguirements with aircondition 20 is complementary with civil power, jointly powers to aircondition 20 with photovoltaic cell group 66 with control switch power supply 80, external electric energy storage device 44.Air-conditioner controller 200 also can control switch power supply 80, external electric energy storage device 44, built-in electrical storage device 42 and photovoltaic cell group 66 are powered jointly to aircondition 20.
Because the required supply power voltage of load is in certain setting range, photovoltaic cell group 66 offers the power output of load and can determine according to output current.
The photovoltaic cell group 66 preferential airconditions 20 of giving are powered.The present embodiment, preferably, the voltage of the sun-generated electric power that is complementary with aircondition 20 power reguirements of photovoltaic cell group 66 output is higher than the voltage of Switching Power Supply 80 out-put supplies so that photovoltaic cell group 66 by relatively high pressure output, be preferably aircondition 20 and power.
If air-conditioner controller 200 detects the power output of photovoltaic cell group 66 greater than the load power demand is set, then control photovoltaic cell group 66 unnecessary power distribution is charged to built-in electrical storage device 42 or external electrical storage device 44, and control is preferential to built-in electrical storage device 42 chargings.
If air-conditioner controller 200 detects the output current of built-in electrical storage device 42 and is lower than and allows set point, then control 66 pairs of built-in electrical storage devices 42 of photovoltaic cell group and charge; If detect the power output of photovoltaic cell group 66 less than set point, then control starts external power supply and jointly built-in electrical storage device 42 is charged with photovoltaic cell group 66, and the output voltage by photovoltaic cell group 66 is set to the output voltage that relatively high pressure output namely is higher than external power supply and preferentially powers to control photovoltaic cell group 66.
In the present embodiment, preferred, the power supply voltage of aircondition 20 is DC48V.The power supply voltage of the output of built-in electrical storage device 42, external electrical storage device 44 also is set to DC48V.
Certainly the power supply voltage of aircondition 20 also can be set to other values as required.The output voltage of built-in electrical storage device 42, external electrical storage device 44 is done respective change simultaneously.
In a preferred embodiment, the built-in electrical storage device 42 of the photovoltaic cell group 66 of the present embodiment and configuration DC48V carries out powered operation to aircondition 20 such as the air-conditioning unit such as storage battery; When photovoltaic cell group 66 output currents can't satisfy aircondition 20 such as the load of air-conditioning unit, temporarily additional such as storage battery by the built-in electrical storage device 42 of DC48V.
When the built-in electrical storage device 42 output gross powers of photovoltaic cell group 66 and configuration DC48V all can't satisfy aircondition 20 such as the load of air-conditioning unit, jointly give airconditions 20 such as air-conditioning unit powered operation by the external electrical storage device 44 of outdoor DC48V such as large-capacity battery pack and photovoltaic cell group 66.
When photovoltaic cell group 66 and configuration DC48V external electrical storage device 44 as large-capacity battery pack output total current all can't satisfy aircondition 20 such as the load of air-conditioning unit, the Switching Power Supply 80 by the out-put supply that is complementary with aircondition 20 power reguirements that civil power is converted to photovoltaic cell group 66 sun-generated electric powers that are complementary with aircondition 20 power reguirements that export jointly to aircondition 20 such as air-conditioning unit powered operation.
The output voltage 150V of photovoltaic cell group 66, the relatively high pressure input can be saved the loss in the circuit process greatly, has reduced electric current and has also reduced cost simultaneously.The aircondition 20 of the present embodiment can directly use the DC power supply of photovoltaic cell group 66 outputs, and does not need again inversion.Can select the 48V storage battery or directly use large bulk capacitance as built-in electrical storage device 42.The external power supply input, can be external civil power or external electrical storage device 44, external civil power mainly is that the power supply that photovoltaic cell group 66 is exported to aircondition 20 is compensated, when the power output of photovoltaic cell group 66 is not enough, automatically use civil power, external electrical storage device 44 can get up unnecessary power storage when sunny, can use night.
As when rainy weather or solar energy module 60 electricity shortage, will automatically enable external power supply such as external civil power or external connection battery group this time, such as the 1000W that need to power of system, solar energy provides 400W, and 600W is just provided by external power supply in addition.The process of A+B+C=D, it is photovoltaic cell group 66 power outputs that A represents solar energy, and B represents external power supply, and C represents built-in electrical storage device, and D represents load; The solar energy that utilizes that like this can maximal efficiency has guaranteed user's instructions for use simultaneously.In whole design process, A〉C〉B so preferentially uses the power supply of solar energy, and next uses built-in electrical storage device, uses at last external power supply.If external power supply adopts external civil power, adopt output in Switching Power Supply that diode is set direct current and the system of civil power conversion separated, only allow civil power to system power supply.If A〉D, A=B+C+D then, unnecessary electric energy will carry out charging process to internal battery and external battery group.If A＜D, then A+B+C=D.If built-in level brownout and A＜D then have A+B=C+D, 60 pairs of built-in electrical storage device chargings of external power source and photovoltaic cell group also provide electric energy for aircondition 20.
In the present embodiment, can be with integrated photovoltaic battery pack 66 and aircondition 20 in one, because the advantage in the design, photovoltaic cell group 66 volumes of the present embodiment are very little, can directly will solar powered and air-conditioning perfect adaptation.
The aircondition 20 of the present embodiment also can be provided with network interface, realizes networking, can be by the solar airconditioning 100 of the Internet or family lan access the present embodiment, parameters.And can read as required the parameter such as ruuning situation, failure condition, every daily generation of photovoltaic cell group 66; Be convenient to safeguard and energy-conservation statistics
It is that the CFZ monocrystalline silicon piece will make the conversion efficiency of photovoltaic cell group 60 be increased to 24%-26% that the solar energy module 60 of the present embodiment adopts the vertical pulling and zone melting process monocrystalline, and the parameter discrete phenomenon of photovoltaic cell group 60 manufacture processes is greatly improved; Because making photovoltaic cell group 60 not do any special processing, the ultralow oxygen content of CFZ monocrystalline silicon piece just the conversion efficiency decay almost can be reduced to zero simultaneously.
The under-chassis beam that the damping modes that the aircondition 20 of the present embodiment changes compressor is about to compressor changes spring shock-absorbing pad into, adjusts simultaneously connecting line and connects as changing compressor into the straight line flexible pipe by the welding of camber hard tube; To reduce the noise of compressor.
The electrical storage device of the present embodiment such as built-in electrical storage device 42 or external electrical storage device 44 adopt golf cart efficient and environment-friendly type storage battery.
As shown in Figure 5, the above-mentioned solar airconditioning method of supplying power to of one embodiment of the invention, as follows:
Step S301,66 power supplies of control photovoltaic cell group are to aircondition 20.In the present embodiment, powered to aircondition 20 by air-conditioner controller 200 control photovoltaic cell groups 66.
Step S303, the power output of Real-Time Monitoring photovoltaic cell group 66 is carried out supplementary power if the power output that detects photovoltaic cell group 60, is then controlled built-in electrical storage device 42 less than set point, jointly to power to aircondition 20 with photovoltaic cell group 60.
In the present embodiment, preferred, by the power output of the air-conditioner controller 200 Real-Time Monitoring photovoltaic cell groups 66 of aircondition 20.
In the present embodiment, photovoltaic cell group 66 is powered to aircondition 20 by built-in electrical storage device 42.Aircondition 20 is the direct current supply aircondition.Photovoltaic cell group 66 is converted to the voltage source that is complementary with aircondition 20 power reguirements by MPPT controller 64, to power to aircondition 20 by built-in electrical storage device 42.
If air-conditioner controller 200 detects the power output of the power output of photovoltaic cell group 66 or photovoltaic cell group 66 and built-in electrical storage device 42 less than set point, then control external power supply and photovoltaic cell group 66 is powered jointly to aircondition.The external power supply of the present embodiment can be set to the Switching Power Supply 80 of external electrical storage device 44 or access civil power as required.
As shown in Figure 2, if external power supply is set to external electrical storage device 44, then external electric energy storage device 44 directly the power supply that is complementary of the power demands of output and aircondition 20, with direct power supply to aircondition.If air-conditioner controller 200 detects the power output of the power output of photovoltaic cell group 66 or photovoltaic cell group 66 and built-in electrical storage device 42 less than set point, then the closed external electric energy storage device 44 of air-conditioner controller 200 controls accesses K switch, start external electric energy storage device 44, control external electric energy storage device 44 and jointly power to aircondition 20 with photovoltaic cell group 66.Air-conditioner controller 200 also can be controlled external electric energy storage device 44, built-in electrical storage device 42 and photovoltaic cell group 66 and jointly power to aircondition 20.
As shown in Figure 3, if external power supply is civil power, then civil power is converted to the DC power supply output that the power reguirements with aircondition 20 is complementary through Switching Power Supply 80 with civil power, and power supply is to aircondition 20.The output of Switching Power Supply 80 is provided with the one-way conduction switch.The one-way conduction switch is preferably diode D1, damages components and parts to prevent that direct current from flowing backwards.If air-conditioner controller 200 detects the power output of the power output of photovoltaic cell group 66 or photovoltaic cell group 66 and built-in electrical storage device 42 less than set point, then air-conditioner controller 200 is controlled the access switch of Closing Switch power supplys 80, starting switch power supply 80, control switch power supply 80 is powered to aircondition 20 jointly with photovoltaic cell group 66.Air-conditioner controller 200 also can control switch power supply 80, built-in electrical storage device 42 and photovoltaic cell group 66 are powered jointly to aircondition 20.
As shown in Figure 4, if external power supply both had been provided with external electrical storage device 44, also be provided with the Switching Power Supply 80 of access civil power.
If air-conditioner controller 200 detects the power output of photovoltaic cell group 66 or photovoltaic cell group 66 and built-in electrical storage device 42 less than set point, then the closed external electric energy storage device 44 of air-conditioner controller 200 controls accesses K switch, start external electric energy storage device 44, control external electric energy storage device 44 and jointly power to aircondition 20 with photovoltaic cell group 66.Air-conditioner controller 200 also can be controlled external electric energy storage device 44, built-in electrical storage device 42 and photovoltaic cell group 66 and jointly power to aircondition 20.
If air-conditioner controller 200 detects the power output of the power output of photovoltaic cell group 66 and external electric energy storage device 44 or photovoltaic cell group 66 and built-in electrical storage device 42 and external electric energy storage device 44 less than set point, then air-conditioner controller 200 controls start the Switching Power Supply 80 of access civil power, Switching Power Supply 80 is converted to the DC power supply that the power reguirements with aircondition 20 is complementary with civil power, and air-conditioner controller 200 control switch power supplys 80, external electric energy storage device 44 are powered to aircondition 20 jointly with photovoltaic cell group 66.Air-conditioner controller 200 also can control switch power supply 80, external electric energy storage device 44, built-in electrical storage device 42 and photovoltaic cell group 66 are powered jointly to aircondition 20.
In the present embodiment, detect the power output of photovoltaic cell group 66 and can determine by the output current that detects photovoltaic cell group 66; The set point of photovoltaic cell group 66 power outputs is according to being determined by load such as aircondition 20 power demands of 66 power supplies of photovoltaic cell group; This set point can be a setting range.
Because the required supply power voltage of load is in certain setting range, photovoltaic cell group 66 offers the power output of load and can determine according to output current.
The photovoltaic cell group 66 preferential airconditions 20 of giving are powered.The present embodiment, preferably, the voltage that photovoltaic cell group 66 converts the sun-generated electric power that is complementary with aircondition 20 power reguirements to through MPPT controller 64 is higher than the voltage of Switching Power Supply 80 out-put supplies, powers so that photovoltaic cell group 66 is preferably aircondition 20 by relatively high pressure.
The voltage that photovoltaic cell group 66 converts the solar energy out-put supply that is complementary with aircondition 20 power reguirements to through MPPT controller 64 also is higher than the voltage setting of external electric energy storage device 44 out-put supplies, powers so that photovoltaic cell group 66 is preferably aircondition 20 by relatively high pressure.
The voltage that photovoltaic cell group 66 converts the solar energy out-put supply that is complementary with aircondition 20 power reguirements to through MPPT controller 64 also is higher than the voltage of built-in electrical storage device 42 out-put supplies, powers so that photovoltaic cell group 66 is preferably aircondition 20 by relatively high pressure.
If detect the power output of photovoltaic cell group 66 greater than the load power demand is set, then control photovoltaic cell group 66 unnecessary power distribution is charged to built-in electrical storage device 42 or external electrical storage device 44, and control is preferential to built-in electrical storage device 42 chargings.
Be lower than and allow set point if detect the output current of built-in electrical storage device 42, then control 66 pairs of built-in electrical storage devices 42 of photovoltaic cell group and charge; If detect the power output of photovoltaic cell group 66 less than set point, then control starts external power supply and jointly built-in electrical storage device 42 is charged with photovoltaic cell group 66, and the output voltage by photovoltaic cell group 66 is set to the output voltage that relatively high pressure namely is higher than external power supply and preferentially powers to control photovoltaic cell group 66.The output voltage of out-put supply that is about to suitable aircondition 20 power reguirements of photovoltaic cell group 66 conversion outputs such as output voltage that can solar energy module 60 is set to DC56V, the relative low-voltage setting of output voltage such as DC53V with the relative solar energy module 60 of output voltage of Switching Power Supply 80 preferentially power so that solar energy module 60 is photovoltaic cell group 66.
As shown in Figure 6, the solar airconditioning 100 of the present embodiment can be installed on the vehicle as the Vehicular solar air-conditioning.Photovoltaic cell group 66 is contained on roof or the vehicle body by support 33 tilting racks.If the solar airconditioning of the present embodiment 100 is installed on the vehicle, then external power supply can be chosen as external electrical storage device 44 as required, or is vehicle power etc.
The photovoltaic cell group 66 of the present embodiment comprises: extinction plate 662, and the transform light energy that is connected with extinction plate 662, extinction plate 662 is absorbed is the electrical storage device of electric energy and storage.
Further, the photovoltaic cell group 66 of the present embodiment is contained on roof or the vehicle body by support 33 tilting racks.
Further, in order to take full advantage of solar energy, the photovoltaic cell group 66 of the present embodiment becomes respectively array to tilt to install in the vehicle body both sides.
In order further to take full advantage of solar energy, photovoltaic cell group 66 becomes the array setting and is symmetrically arranged with two rows on roof.The acute angle setting of tilting of the primary flat at the extinction plate 662 relative roof places of photovoltaic cell group 66.The photovoltaic cell group 66 of the present embodiment is arranged on the roof, and the extinction face of its extinction plate 662 relatively outwards arranges.The cross section of the extinction plate 662 that two row's symmetric array arrange becomes the setting of handstand V-type.
Further, the support 33 of the present embodiment comprises: be arranged on vehicle body or the roof and the underframe 330 that is connected with vehicle body or roof, and be connected with underframe 330 and the installing rack 332 of the installation solar panels 20 that tilt.
For the stable photovoltaic cell group 66 of installing, the support that is arranged on the roof comprises: connect underframe 330 and installing rack 332 and support the bearing support 334 of this installing rack 332.
The photovoltaic cell group 66 of the present embodiment is installed on the installing rack 332, its relative roof place, extinction plate 662 planes primary flat tilts an acute angle setting.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a solar airconditioning method of supplying power to is characterized in that, comprising:
Control photovoltaic cell group is powered to aircondition,
The power output of Real-Time Monitoring photovoltaic cell group,
If detect the power output of photovoltaic cell group less than set point, then control built-in electrical storage device and carry out supplementary power, jointly to power to aircondition with the photovoltaic cell group.
2. solar airconditioning method of supplying power to according to claim 1, it is characterized in that: the photovoltaic cell group is powered to aircondition by built-in electrical storage device, and aircondition is the direct current supply aircondition; The out-put supply of photovoltaic cell group through controller for solar change into for the voltage source that is complementary with the aircondition power reguirements to power to aircondition by built-in electrical storage device.
3. solar airconditioning method of supplying power to according to claim 1 and 2, it is characterized in that: if the power output that detects the power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device is then controlled external power supply and photovoltaic cell group and jointly powered to aircondition less than set point.
4. solar airconditioning method of supplying power to according to claim 3, it is characterized in that: described external power supply comprises: external electric energy storage device, the power supply that the power demands of described external electric energy storage device output and aircondition is complementary, with direct power supply to aircondition; If detect the power output of the power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, then control external electric energy storage device and photovoltaic cell group and jointly power to aircondition.
5. solar airconditioning method of supplying power to according to claim 3, it is characterized in that: described external power supply also comprises: the Switching Power Supply that civil power is converted to the voltage source that is complementary with described aircondition power reguirements, Switching Power Supply is powered to aircondition by built-in electrical storage device, if detect the power output of the power output of power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, then the switch of the closed access of control Switching Power Supply is powered to aircondition jointly with control switch power supply out-put supply and photovoltaic cell group; Described photovoltaic cell group inputs to built-in electric energy storage device after the controller for solar conversion supply voltage is higher than the supply voltage that described Switching Power Supply is exported; The dc power output end of Switching Power Supply is provided with the switching device that one-way conduction output is powered.
6. solar airconditioning method of supplying power to according to claim 3, it is characterized in that: described external power supply comprises: external electric energy storage device, civil power converted to the voltage source that is complementary with described aircondition power reguirements Switching Power Supply; If detect the power output of the power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, then controlling external electric energy storage device and photovoltaic cell group powers jointly to aircondition, if detect the gross output of external electric energy storage device and photovoltaic cell group less than set point, then control photovoltaic cell group, external electric energy storage device and Switching Power Supply and jointly power to aircondition.
7. solar airconditioning method of supplying power to according to claim 1 and 2, it is characterized in that: if the power output that detects the photovoltaic cell group is greater than the load power demand, then control photovoltaic cell unnecessary power distribution is charged to built-in electrical storage device or external electrical storage device, and control is preferential to built-in electrical storage device charging; If detecting the output current of built-in electrical storage device is lower than and allows set point, then control photovoltaic cell group or photovoltaic cell group and external power supply built-in electrical storage device is charged, and preferentially power by relative high output voltage control photovoltaic cell group is set.
8. solar airconditioning, it is characterized in that, comprising: aircondition, be connected with described aircondition and for built-in electrical storage device, the photovoltaic cell group that is connected with described built-in electrical storage device of this aircondition power supply, reach the air-conditioner controller that is connected with described photovoltaic cell group; Described photovoltaic cell group is connected with described built-in electrical storage device by controller for solar and powers to aircondition by this built-in electrical storage device; Described aircondition is the direct current supply aircondition, and described air-conditioner controller control photovoltaic cell group is powered to aircondition; Described controller for solar converts the out-put supply of photovoltaic cell group to Power supply that the power reguirements with built-in electrical storage device or aircondition is complementary to described aircondition; The power output of described air-conditioner controller Real-Time Monitoring photovoltaic cell group or controller for solar, if described air-conditioner controller detects the power output of photovoltaic cell group less than set point, then control built-in electrical storage device and carry out supplementary power, jointly to power to aircondition with the photovoltaic cell group.
9. solar airconditioning according to claim 8 is characterized in that: also comprise: the external power supply that is connected with aircondition; If air-conditioner controller detects the power output of the power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, then control starts external power supply and the photovoltaic cell group is powered jointly to aircondition.
10. solar airconditioning according to claim 9, it is characterized in that: described external power supply comprises: external electric energy storage device, access civil power also convert civil power to the Switching Power Supply of the out-put supply that the power reguirements with described aircondition is complementary; If described air-conditioner controller detects the power output of the power output of described photovoltaic cell group or described photovoltaic cell group and built-in electrical storage device less than set point, then control external electric energy storage device and photovoltaic cell group and jointly power to aircondition; If detect the gross output of external electric energy storage device and photovoltaic cell group less than set point, then control photovoltaic cell group, external electric energy storage device and Switching Power Supply and jointly power to aircondition.
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