CN203116186U - Solar air conditioner - Google Patents

Solar air conditioner Download PDF

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Publication number
CN203116186U
CN203116186U CN 201220627334 CN201220627334U CN203116186U CN 203116186 U CN203116186 U CN 203116186U CN 201220627334 CN201220627334 CN 201220627334 CN 201220627334 U CN201220627334 U CN 201220627334U CN 203116186 U CN203116186 U CN 203116186U
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CN
China
Prior art keywords
air conditioner
solar
air
power
solar cell
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Expired - Lifetime
Application number
CN 201220627334
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Chinese (zh)
Inventor
张辉
梁博
卓森庆
游剑波
范东
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN 201220627334 priority Critical patent/CN203116186U/en
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Abstract

The utility model discloses a solar air conditioner, this solar air conditioner includes: the air conditioner indoor unit is used for conditioning indoor air; the hot water system comprises a heater and a water tank, wherein the heater is used for heating water in the water tank; the air conditioner external unit is connected to the air conditioner internal unit and the hot water system and comprises a controller and a solar cell, wherein the controller is used for controlling the work of the air conditioner internal unit and the hot water system, and the solar cell is used for supplying power to the controller, the air conditioner internal unit and the hot water system. Through the utility model discloses, owing to added hot water equipment in solar air conditioner, this equipment not only can realize the regulation to indoor temperature, can also satisfy the daily hot water demand of user, through this solar air conditioner, the user need not to acquire hot water once more through other ways, has saved the energy, has improved solar air conditioner's utilization ratio, has reached energy-conserving effect.

Description

Solar air conditioner
Technical field
The utility model relates to field of air conditioning, in particular to a kind of solar air conditioner.
Background technology
In the prior art, solar air conditioner is lower to the utilization rate of solar energy, namely, only wish to freeze or when heating, use the electric energy of solar energy conversion indoor the user, and do not freeze or when heating demand to indoor the user, can not utilize solar energy, thereby cause the waste of the energy.
At the problem lower to the solar energy utilization rate of solar air conditioner in the prior art, effective solution is not proposed as yet at present.
The utility model content
The utility model provides a kind of solar air conditioner, to solve the solar air conditioner problem lower to the solar energy utilization rate in the prior art at least.
To achieve these goals, according to an aspect of the present utility model, provide a kind of solar air conditioner.
Comprise according to solar air conditioner of the present utility model: air-conditioning internal machine is used for room air is regulated; Hot-water heating system comprises heater and water tank, and heater is used for the water of heating water tank; Outdoor machine of air-conditioner is connected to air-conditioning internal machine and hot-water heating system, comprises controller and solar cell, and wherein, controller is used for the work of control air-conditioning internal machine and hot-water heating system, and solar cell is used for to controller, air-conditioning internal machine and hot-water heating system power supply
Further, outdoor machine of air-conditioner comprises: commercial power interface is used for connecting civil power to give controller, air-conditioning internal machine and hot-water heating system power supply.
Further, outdoor machine of air-conditioner also comprises: power supply circuits, be connected to solar cell and commercial power interface, when being used for power output at solar cell and satisfying the required power of solar air conditioner, power to solar air conditioner by solar cell, and when the solar energy power output can not satisfy the required power of load, power to solar air conditioner by solar cell and civil power.
Further, power supply circuits comprise: increasing apparatus, be connected with solar cell, and be used for the voltage of solar cell output is boosted; Fairing is connected with commercial power interface, is used for the voltage by commercial power interface output is carried out rectification; Power factor correction circuit is connected with fairing, and wherein, the output voltage of power factor correction circuit is lower than the output voltage of increasing apparatus; And electrochemical capacitor, be connected to described increasing apparatus and described power factor correction circuit respectively, be used for conducting or the disconnection of the described power factor correction circuit of control.
Further, also comprise: receiver, be used for receiving the mode of operation that the user arranges, wherein, mode of operation comprises refrigerating operaton pattern, heating operation pattern, manual heat-pump hot-water pattern or automatic heat-pump hot-water pattern, the refrigerating operaton pattern is to the indoor refrigerating operation that carries out, the heating operation pattern is for heating operation to indoor, manually the heat-pump hot-water pattern be the water in the water temperature heat hot water system that sets according to the user, and automatic heat-pump hot-water pattern is according to the water in the big or small heat hot water system of the power output of solar cell.
Further, solar air conditioner also comprises: power detection device, for detection of the power output of solar cell; And processor, be connected to power detection device, be used for judging the power output of solar cell and the magnitude relationship of default power, controller also comprises: first control module, be used for during less than default power, closing automatic heat-pump hot-water pattern in the power output of solar cell.
Further, controller also comprises: second control module, be used for power output at described solar cell greater than described default power, and air-conditioner is opened automatic heat-pump hot-water pattern when being in holding state; And the 3rd control module, be used for power output at described solar cell greater than described default power, and when described solar air conditioner is in running order, close described automatic heat-pump hot-water pattern wherein, wherein, described duty comprises refrigerating operaton pattern, heating operation pattern or manual heat-pump hot-water pattern.
Further, air-conditioning internal machine comprises evaporimeter, and the high temperature conduit that connects evaporimeter is passed hot-water heating system.
Pass through the utility model, owing in solar airconditioning, added hot water facility, this equipment not only can be realized the adjusting to indoor temperature, can also satisfy the daily hot water demand of user, by this solar airconditioning, the user need not to obtain hot water again by other approach, saved the energy, improved the utilization rate of solar airconditioning, therefore solved the solar air conditioner problem lower to the solar energy utilization rate in the prior art, and then reached energy-saving effect.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not constitute improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 a is the structured flowchart according to the solar air conditioner of the utility model embodiment;
Fig. 1 b is the structure chart according to the solar airconditioning of the utility model embodiment;
Fig. 2 is the structure chart according to the solar airconditioning of the utility model preferred embodiment; And
Fig. 3 is the flow chart according to the control method of the solar air conditioner of the utility model embodiment.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
The utility model embodiment provides a kind of solar air conditioner, below solar air conditioner that the utility model embodiment is provided be introduced.
Fig. 1 a is the structured flowchart according to the solar air conditioner of the utility model embodiment.
As shown in Figure 1a, this solar air conditioner comprises air-conditioning internal machine 11, hot-water heating system 12 and outdoor machine of air-conditioner 13.
Air-conditioning internal machine 11 is used for room air is regulated.
Air-conditioning internal machine 11 is air-conditioning internal machine of the prior art, can heat or the control of freezing indoor.
Hot-water heating system 12 comprises heater and water tank, and heater is used for the water of heating water tank.
Outdoor machine of air-conditioner 13 is connected to air-conditioning internal machine 11 and hot-water heating system 12, this outdoor machine of air-conditioner 13 comprises controller and solar cell, wherein, controller is used for the work of control air-conditioning internal machine and hot-water heating system, and solar cell is used for to controller, air-conditioning internal machine and hot-water heating system power supply.
Solar cell 13 comprises solar panel and electric supply installation, is used for the luminous energy that receives is become electric energy and output with thermal power transfer.
Fig. 1 b is the structure chart according to the solar airconditioning of the utility model embodiment, and shown in Fig. 1 b, solar cell is connected with controller by increasing apparatus, the work of controller control air-conditioning internal machine and hot-water heating system.
In the present embodiment, owing in solar airconditioning, added hot water facility, this equipment not only can be realized the adjusting to indoor temperature, can also satisfy the daily hot water demand of user, by this solar airconditioning, the user need not to obtain hot water again by other approach, has saved the energy, improve the utilization rate of solar airconditioning, reached energy-saving effect.
At winter or cloudy day, sunlight is sufficient inadequately, therefore the electric energy that provides of solar cell can't satisfy daily demand, and in some environment, the load of solar air conditioner is bigger, in time sunny, still can't provide enough electric energy, need this moment extra power supply that the electric energy that exceeds the solar air conditioner load capacity is provided, preferably, outdoor machine of air-conditioner also comprises commercial power interface, and commercial power interface is used for connecting civil power to give controller, air-conditioning internal machine and hot-water heating system power supply.
Both can be by solar cell for supplying power, in also can the solar air conditioner by mains-supplied, for energy-conservation consideration, should be preferably by solar cell for supplying power, preferably, outdoor machine of air-conditioner also comprises power supply circuits, power supply circuits are connected to solar cell and commercial power interface, when being used for power output at solar cell and satisfying the required power of the load of solar air conditioner, power to solar air conditioner by solar cell, and when the solar energy power output can not satisfy the required power of above-mentioned load, power to solar air conditioner by solar cell and civil power.
Particularly, power supply circuits comprise: increasing apparatus, be connected with solar cell, and be used for the voltage of solar cell output is boosted; Fairing is connected with commercial power interface, is used for the voltage by commercial power interface output is carried out rectification; Power factor correction circuit is connected with fairing, and wherein, the output voltage of power factor correction circuit is lower than the output voltage of increasing apparatus; And electrochemical capacitor, be connected to described increasing apparatus and described power factor correction circuit respectively, be used for conducting or the disconnection of the described power factor correction circuit of control.
When the bearing power of air-conditioner during greater than the power output of solar cell, at first powered by the load of solar cell case, solar cell also charges to electrochemical capacitor simultaneously, at this moment, the electrochemical capacitor discharge capacity is greater than its charge volume, so the electrochemical capacitor both end voltage can descend, when electrochemical capacitor both end voltage during less than the voltage of power factor correction circuit output, power factor correction circuit conducting, civil power begin to power to air-conditioner automatically.
Fig. 2 is the structure chart according to the solar airconditioning of the utility model preferred embodiment, as shown in Figure 2, civil power becomes alternating current into direct current through fairing, proofreaies and correct through boost PFC(boost power factor) behind the circuit, output voltage is that the direct current of U1 charges to electrochemical capacitor.
Directly behind the DC/DC increasing apparatus, output voltage is that the direct current of U2 charges to electrochemical capacitor to the electric energy of solar cell output.
Controller is set the output voltage U 1 of DC/DC increasing apparatus greater than the output voltage U 2 of boost PFC, reaches the purpose of preferential use solar cell like this, particularly:
As the bearing power P1 of air-conditioner during less than the power output P2 of solar cell: because the output voltage U 1 of DC/DC increasing apparatus is greater than the output voltage of boost PFC, while P1<P2, so the time electrochemical capacitor both end voltage be U1, diode in the boost pfc circuit ends at this moment, makes civil power stop automatically powering to air-conditioner.Have only solar cell to power to air-conditioner this moment.
As the bearing power P1 of air-conditioner during greater than the power output P2 of solar cell: during beginning with afore-mentioned in the same, the solar cell power output is charged to electrochemical capacitor, because of P1〉P2, the electrochemical capacitor discharge capacity is greater than its charge volume, cause the electrochemical capacitor both end voltage to descend, when electrochemical capacitor both end voltage during less than U2, diode forward conducting among this moment boost PFC, civil power begins to power to air-conditioner automatically.At this moment, civil power to the air-conditioner power supply, preferentially uses solar cell with solar cell, and namely the solar cell power output is supplied with air-conditioner entirely, and not enough electric energy is replenished by civil power.
That is the voltage U after DC/DC boosts, exported of solar cell, 1With the voltage U of civil power behind PFC 2Parallel connection is arranged in the controller of outdoor machine of air-conditioner by Control of Voltage, makes U 1Greater than U 2, air-conditioning preferentially uses solar cell like this: when the load of air-conditioner during less than the power output of solar cell, air-conditioner is only by solar cell for supplying power; When air-conditioner load during greater than the power output of solar cell, solar cell is preferentially powered, and not enough electric energy is provided by civil power.
Ask in order to satisfy different uses, can multiple mode of operation be set to solar air conditioner, solar air conditioner is after receiving different control instructions, carry out different operations, preferably, solar air conditioner also comprises receiver, receiver is used for receiving the mode of operation that the user arranges, wherein, mode of operation comprises the refrigerating operaton pattern, the heating operation pattern, manually heat-pump hot-water pattern or heat-pump hot-water pattern automatically, the refrigerating operaton pattern is to the indoor refrigerating operation that carries out, the heating operation pattern is for heating operation to indoor, manually the heat-pump hot-water pattern be the water in the water temperature heat hot water system that sets according to the user, and automatic heat-pump hot-water pattern is according to the water in the big or small heat hot water system of the power output of solar cell.
In manual heat-pump hot-water pattern, the water that solar air conditioner begins in the feed-tank heats.Under this kind pattern, the power of air-conditioner determines that by the design temperature of water and the temperature of water reality its power can be greater than the power output of solar cell.
When not needing to use air-conditioner, when namely not receiving the mode of operation of user's setting, controller is opened automatic heat-pump hot-water pattern, in automatic heat-pump hot-water pattern, water in the solar air conditioner feed-tank heats, and make the power output of the power of whole system and solar cell suitable, and so both taken full advantage of solar cell, do not need to consume civil power again.
In other patterns of air-conditioner, as the air-supply etc., identical with general air-conditioner, repeat no more here.
Controller is preferentially controlled the work of air-conditioning internal machine, and when air-conditioning internal machine was not worked, hot-water heating system was worked automatically, and the energy that solar cell is exported carries out heat pump to the water in the water tank.Concrete handoff procedure is as follows:
(a) detect the power output of solar cell, when solar cell power output during greater than a certain setting value when (as fine day), be operated in certain pattern (freeze, heat or heat-pump hot-water) as if air-conditioner, then control air-conditioner and close the automatic hot-water pattern; If air-conditioning is in holding state, then controls air-conditioner and start the heat pump pattern automatically, with the heating of the water in the energy feed-tank of solar cell output; Control the running frequency of compressor simultaneously, make the power of whole air-conditioner and the power output of solar cell quite (take full advantage of solar cell, not use civil power simultaneously again).
(b) when the power output of solar cell during less than a certain setting value (as night): controller cuts out the automatic hot-water pattern, and air-conditioner is selected mode of operation (freeze, heat, heat-pump hot-water, standby) according to control of remote controller.
In order to realize this purpose, solar airconditioning also comprises power detection device and processor, and detecting unit is for detection of the power output of solar cell; Processor is connected to power detection device, be used for judging the power output of solar cell and the magnitude relationship of default power, correspondingly, controller also comprises: first control module, be used for during less than default power, closing automatic heat-pump hot-water pattern in the power output of solar cell.This moment, the power of solar energy output was very little, was not enough to produce appreciable results.
Because the air conditioning function of solar air conditioner has precedence over hot water function, therefore, generally when not using air conditioning function to just using hot water function, especially automatic heat-pump hot-water pattern, preferably, also comprise second control module in the controller of solar air conditioner, this unit is used for power output at described solar cell greater than described default power, and when solar air conditioner is in holding state, namely, not in the refrigerating operaton pattern, when heating operation pattern and manual heat-pump hot-water pattern, open automatic heat-pump hot-water pattern, controller can also comprise the 3rd control module, this unit is used for power output at described solar cell greater than described default power, and described solar air conditioner is closed described automatic heat-pump hot-water pattern when in running order, wherein, described duty comprises described refrigerating operaton pattern, described heating operation pattern or described manual heat-pump hot-water pattern.
Air-conditioning internal machine comprises evaporimeter, and the pipeline temperature behind the evaporimeter is higher, and this temperature can be used to the water in the heat hot water system, and preferably, the high temperature conduit that connects evaporimeter is passed hot-water heating system.With the process of the high temperature conduit behind evaporimeter water tank, the high temperature conduit heat release, the water heating in the feed-tank, the refrigeration of air-conditioner is best under this pattern.
Further describe the operation principle of the solar air conditioner that present embodiment provides below by the control method of solar air conditioner.
Fig. 3 is the flow chart according to the control method of the solar air conditioner of the utility model embodiment.
As shown in Figure 3, the control method of this solar air conditioner comprises that following step S302 is to step S304.
Step S302, the air-conditioning internal machine of control solar air conditioner is regulated room air.
Step S304, the water in the hot-water heating system heat hot water system of control solar air conditioner, wherein, air-conditioning internal machine and hot-water heating system are connected to the outdoor machine of air-conditioner of air-conditioner respectively.
More than two steps order in no particular order, can follow certain control strategy to the control of these two steps.
Before air-conditioning internal machine and hot-water heating system are controlled, can determine earlier still to be powered jointly by solar cell and civil power by solar cell for supplying power, preferably, when solar airconditioning connects solar cell and civil power, can at first judge the size of the power output of the bearing power of solar air conditioner and solar cell, when the bearing power of solar air conditioner is less than or equal to the power output of solar cell, by solar cell for supplying power; When the bearing power of solar air conditioner during greater than the power output of solar cell, bearing power is provided by civil power greater than the part of power output.
Particularly, solar cell is powered with civil power after boosting, and for energy-conservation consideration, preferentially uses solar cell.
The voltage U that solar cell is exported after DC/DC boosts 1With the voltage U of civil power behind PFC 2Parallel connection, controller makes U by Control of Voltage 1Greater than U 2, air-conditioner can preferentially use the power supply of solar cell like this.When the load of air-conditioner during less than the power output of solar cell, air-conditioner is only by solar cell for supplying power; When air-conditioner load during greater than the power output of solar cell, solar cell is preferentially powered, and not enough electric energy is provided by civil power.
In order to satisfy different user demands, can also control very much before air-conditioning internal machine and the heating system, receive the mode of operation that the user arranges earlier, wherein, mode of operation comprises the refrigerating operaton pattern, the heating operation pattern, manually heat-pump hot-water pattern or heat-pump hot-water pattern automatically, the refrigerating operaton pattern is to the indoor refrigerating operation that carries out, the heating operation pattern is for heating operation to indoor, manually the heat-pump hot-water pattern be the water in the water temperature heat hot water system that sets according to the user, and automatic heat-pump hot-water pattern is according to the water in the big or small heat hot water system of the power output of solar cell.When the mode of operation that receives is manual heat-pump hot-water pattern, obtain design temperature and real time temperature, and according to the water in design temperature and the real time temperature heat hot water system, wherein, design temperature is set by the user; When the mode of operation that receives was automatic heat-pump hot-water pattern, according to the water in the big or small heat hot water system of the power output of solar cell, wherein, the bearing power when solar air conditioner heats equated with power output.
When the refrigerating operaton pattern that does not receive user's setting, heating operation pattern or manual heat-pump hot-water pattern, can open automatic heat-pump hot-water pattern.Present embodiment control air-conditioner preferentially uses air conditioning function (as freezing, heating), and when air conditioning function did not use, automatic heat-pump hot-water pattern was opened by system, and the energy that solar cell is exported carries out heat pump to the water in the water tank.
Particularly, detect the power output of solar cell, when solar cell power output during greater than a certain setting value (as fine day), be operated in certain pattern (freeze, heat or heat-pump hot-water) as if air-conditioner, controller cuts out the automatic hot-water function; If air-conditioning is in holding state, controller is opened the heat pump function automatically, with the heating of the water in the energy feed-tank of solar cell output; Guarantee that simultaneously the power of whole system and the power output of solar cell quite (take full advantage of solar cell, do not use civil power simultaneously again).When the power output of solar cell during less than a certain setting value (as night): close the automatic hot-water function, select mode of operation (freeze, heat, heat-pump hot-water, standby) according to arranging of user.
In order to achieve the above object, in step S304, can also obtain default power threshold, this threshold value can have the user to arrange, detect the power output of solar cell then, and judge the size of power output and power threshold, when power output during less than power threshold, control hot-water heating system and stop water in the heat hot water system.
As can be seen from the above description, by the utility model embodiment, can use solar energy more fully.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (7)

1. a solar air conditioner is characterized in that, comprising:
Air-conditioning internal machine is used for room air is regulated;
Hot-water heating system comprises heater and water tank;
Outdoor machine of air-conditioner is connected to described air-conditioning internal machine and described hot-water heating system, comprises controller and solar cell.
2. solar air conditioner according to claim 1 is characterized in that, described outdoor machine of air-conditioner comprises:
Commercial power interface.
3. solar air conditioner according to claim 2 is characterized in that, described outdoor machine of air-conditioner also comprises:
Power supply circuits are connected to described solar cell and described commercial power interface.
4. solar air conditioner according to claim 3 is characterized in that, described power supply circuits comprise:
Increasing apparatus is connected with described solar cell;
Fairing is connected with described commercial power interface;
Power factor correction circuit is connected with described fairing; And
Electrochemical capacitor is connected to described increasing apparatus and described power factor correction circuit respectively.
5. solar air conditioner according to claim 1 is characterized in that, also comprises:
Receiver is used for receiving the mode of operation that the user arranges, and wherein, described mode of operation comprises refrigerating operaton pattern, heating operation pattern, manual heat-pump hot-water pattern or automatic heat-pump hot-water pattern.
6. solar air conditioner according to claim 5 is characterized in that,
Described solar air conditioner also comprises:
Power detection device is for detection of the power output of described solar cell; And
Processor is connected to described power detection device,
Described controller also comprises:
First control module is used for during less than default power, closing described automatic heat-pump hot-water pattern in the power output of described solar cell.
7. according to each described solar air conditioner of claim 1 to 6, it is characterized in that,
Described air-conditioning internal machine comprises evaporimeter, and the high temperature conduit that connects described evaporimeter is passed described hot-water heating system.
CN 201220627334 2012-11-23 2012-11-23 Solar air conditioner Expired - Lifetime CN203116186U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220627334 CN203116186U (en) 2012-11-23 2012-11-23 Solar air conditioner

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Application Number Priority Date Filing Date Title
CN 201220627334 CN203116186U (en) 2012-11-23 2012-11-23 Solar air conditioner

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CN203116186U true CN203116186U (en) 2013-08-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107461972A (en) * 2017-08-15 2017-12-12 广东美的制冷设备有限公司 The control method and relevant device of solar refrigeration equipment, solar airconditioning

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107461972A (en) * 2017-08-15 2017-12-12 广东美的制冷设备有限公司 The control method and relevant device of solar refrigeration equipment, solar airconditioning

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Granted publication date: 20130807