CN205372860U - Air conditioning system - Google Patents
Air conditioning system Download PDFInfo
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- CN205372860U CN205372860U CN201521098653.4U CN201521098653U CN205372860U CN 205372860 U CN205372860 U CN 205372860U CN 201521098653 U CN201521098653 U CN 201521098653U CN 205372860 U CN205372860 U CN 205372860U
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Abstract
The utility model discloses an air conditioning system, include solar battery array, battery, air conditioner and the electric energy converter that links to each other respectively with solar battery array, battery and air conditioner, wherein, the electric energy converter includes a communication unit who goes on communicating by letter with the air conditioner, and the electric energy converter is used for detecting the residual capacity of battery to send the residual capacity of battery for the air conditioner through a communication unit, the air conditioner includes the 2nd communication unit who goes on communicating by letter with a communication unit, the air conditioner is used for receiving the residual capacity of battery through the 2nd communication unit, and generate the power running curve according to the instruction of user's input and the residual capacity of battery, and move according to the power running curve in predetermined operating duration, therefore, the battery can be protected and its life is prolonged, and can prolong the operating duration of air conditioner and improve its travelling comfort, gain the balance between battery duration and air conditioner travelling comfort.
Description
Technical field
This utility model relates to air-conditioner technical field, particularly to a kind of air conditioning system.
Background technology
In off-grid type solar air-conditioner system, the isolated island being independent between photovoltaic power generation apparatus and air-conditioner, photovoltaic power generation apparatus cannot know the running status of air-conditioner, air-conditioner also cannot obtain the information of photovoltaic power generation apparatus, air-conditioner blindly runs, thus causing that the endurance of storage battery in photovoltaic power generation apparatus is not enough, or causing accumulator deep discharge, substantially reducing the service life of accumulator.
Correlation technique proposes the strategy that a kind of air-conditioning limit frequency runs, the running frequency of the compressor of air-conditioner has been adjusted by this strategy according to the output voltage of photovoltaic DC-to-AC converter, but, owing to photovoltaic DC-to-AC converter output voltage is subject to the joint effect of the output voltage of solar panel, the terminal voltage of accumulator and air-conditioner load, can not truly reflect residual capacity or the electric energy output of photovoltaic power generation apparatus.
Utility model content
One of technical problem that this utility model is intended to solve in correlation technique at least to a certain extent.For this, the purpose of this utility model is in that proposition is a kind of and can effectively protect accumulator and extend the air conditioning system in its service life.
For reaching above-mentioned purpose, a kind of air conditioning system that the utility model proposes, including solar battery array, accumulator, air-conditioner and the electrical energy transformer being connected with described solar battery array, described accumulator and described air-conditioner respectively, wherein, described solar battery array is used for photovoltaic generation, and gives the charging of described accumulator by described electrical energy transformer and power to described air-conditioner；Described accumulator is for powering to described air-conditioner by described electrical energy transformer；Described electrical energy transformer includes the first communication unit communicated with described air-conditioner, and described electrical energy transformer is for detecting the dump energy of described accumulator, and by described first communication unit, the dump energy of described accumulator is sent to described air-conditioner；Described air-conditioner includes the second communication unit communicated with described first communication unit, described air-conditioner for receiving the dump energy of described accumulator by described second communication unit, and generate Power operation curve according to the instruction of user's input and the dump energy of described accumulator, and according to described Power operation curve motion within the default operation time.
According to the air conditioning system that the utility model proposes, electrical energy transformer and air-conditioner communicate, electrical energy transformer can detect the dump energy of accumulator, and the dump energy of accumulator is sent to air-conditioner, air-conditioner receives the dump energy of accumulator, and generate Power operation curve according to the instruction of user's input and the dump energy of accumulator, and according to Power operation curve motion within the default operation time, thus, both can effectively protect accumulator and extend its service life, the operation time of air-conditioner can also be extended and improve its comfortableness, ensure to average out between the flying power and the comfort property of air-conditioner of accumulator.
Specifically, described electrical energy transformer includes: sampling unit, and described sampling unit is for gathering the voltage at described accumulator two ends and flowing through the electric current of described accumulator；First control unit, described first control unit is for according to the voltage at described accumulator two ends with flow through the dump energy of accumulator described in the Current calculation of described accumulator, and by described first communication unit, the dump energy of described accumulator is sent to described air-conditioner.
Further, described sampling unit is additionally operable to gather the output voltage of described solar battery array and output electric current；Described first control unit is additionally operable to the output of solar battery array described in the output voltage according to described solar battery array and output Current calculation, and obtained the operation power of described air-conditioner by described first communication unit, and according to the output of described solar battery array and described air-conditioner run electric energy that described solar battery array exports by power and the electric energy that described accumulator stores is allocated.
Specifically, described electrical energy transformer also includes: low-voltage direct bus；Charging circuit, described charging circuit for being transferred to described low-voltage direct bus by the electric energy that described solar battery array provides, and gives the charging of described accumulator by described low-voltage direct bus；DC/DC translation circuit, the input of described DC/DC translation circuit is connected with described low-voltage direct bus, the outfan of described DC/DC translation circuit is connected with described air-conditioner, for the low-voltage DC on described low-voltage direct bus is converted to high voltage direct current, described DC/DC translation circuit thinks that described air-conditioner is powered；First Switching Power Supply, described first Switching Power Supply is connected with described low-voltage direct bus, for the voltage obtained from described low-voltage direct bus is converted to supply voltage, described first Switching Power Supply thinks that described first communication unit and described first control unit are powered.
Specifically, described air-conditioner includes: man-machine interaction unit, and described man-machine interaction unit is for receiving the instruction of user's input, and wherein, the instruction of described user input includes at least one in operation time, operational mode and plan power consumption；Second control unit, described second control unit for receiving the dump energy of described accumulator by described second communication unit, and the dump energy of the instruction inputted according to described user and described accumulator generates described Power operation curve, and control described air-conditioner within the described operation time according to described Power operation curve motion.
Further, described air-conditioner also includes: compressor control unit, and described compressor control unit is for controlling the compressor of described air-conditioner；Outer blower fan control unit, described outer blower fan control unit is for controlling the outer blower fan of described air-conditioner；The auxiliary thermal control units of electricity, the auxiliary thermal control units of described electricity is for controlling the electric heater of described air-conditioner；Inner blower control unit, described inner blower control unit is for controlling the inner blower of described air-conditioner；High voltage dc bus, wherein, described compressor control unit, described outer blower fan control unit, the auxiliary thermal control units of described electricity and described inner blower control unit are both connected on described high voltage dc bus, so that described electrical energy transformer is that described compressor control unit, described outer blower fan control unit, the auxiliary thermal control units of described electricity and described inner blower control unit are powered by described high voltage dc bus；Second switch power supply, described second switch power supply is connected with described high voltage dc bus, for the voltage obtained from described high voltage dc bus is converted to supply voltage, described second switch power supply thinks that described second communication unit, described man-machine interaction unit and described second control unit are powered.
Preferably, described accumulator is integrally disposed with described electrical energy transformer.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the air conditioning system according to this utility model embodiment；
Fig. 2 is the block diagram of the electrical energy transformer according to one embodiment of this utility model；
Fig. 3 is the block diagram of the air-conditioner according to one embodiment of this utility model；
Fig. 4 is the flow chart of the control method of the air conditioning system according to this utility model embodiment；
Fig. 5 is the flow chart of the method for the dump energy of the detection accumulator according to one embodiment of this utility model；
Fig. 6 is the flow chart of the electric energy distribution method according to one embodiment of this utility model；
Fig. 7 is the flow chart of the electric energy distribution method according to one specific embodiment of this utility model
Fig. 8 is the flow chart of the method generating Power operation curve according to one embodiment of this utility model；
Fig. 9 is the flow chart of the control method of the air conditioning system according to one specific embodiment of this utility model.
Accompanying drawing labelling:
Solar battery array 10, solar panel 101, accumulator 20, electrical energy transformer 30 and air-conditioner 40；
First communication unit 301, sampling unit the 302, first control unit 303, low-voltage direct bus 304, charging circuit 305, DC/DC translation circuit 306 and the first Switching Power Supply 307；
Second communication unit 401, man-machine interaction unit the 402, second control unit 403, compressor control unit 404, outer blower fan control unit 405, electric auxiliary thermal control units 406, inner blower control unit 407, high voltage dc bus 408 and second switch power supply 409.
Detailed description of the invention
Being described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.
Below with reference to the accompanying drawings the air conditioning system of this utility model embodiment proposition and the control method of air conditioning system are described.
Fig. 1 is the schematic diagram of the air conditioning system according to this utility model embodiment.As it is shown in figure 1, this air conditioning system includes: solar battery array 10, accumulator 20, electrical energy transformer 30 and air-conditioner 40.
Wherein, electrical energy transformer 30 is connected with solar battery array 10, accumulator 20 and air-conditioner 40 respectively, solar battery array 10 is for photovoltaic generation, and charge and power to air-conditioner 40 to accumulator 20 by electrical energy transformer 30, namely saying, the electric energy sent can be flowed to electrical energy transformer 30 by solar battery array 10；Accumulator 20 is used for storing the electric energy that solar battery array 10 sends for accumulator, and power to air-conditioner 40 by electrical energy transformer 30, such as accumulator 20 can be released electric energy and be powered to air-conditioner 40 when night or rainy weather, and accumulator 20 also has the effect of buffer, meet and dynamically change requirement to what energy exported when air-conditioner 40 runs power transient change.
That is, electrical energy transformer 20 is the structure realizing transformation of electrical energy between solar battery array 10, accumulator 20 and air-conditioner 40, because the electricity characteristic between solar battery array 10, accumulator 20 and air-conditioner 40 does not mate, so the electric energy interconnection between above-mentioned three can be realized by the transformation of electrical energy of electrical energy transformer 30.
Such as the example of Fig. 1, solar battery array 10 can include polylith solar panel 101, and solar panel 101 is for converting solar energy into electrical energy by photoelectric conversion effect.More specifically, polylith solar panel 101 can be connected and/or parallel way connects, polylith solar panel 101 can be monocrystalline silicon battery, polycrystal silicon cell, hull cell or flexible battery.
Electrical energy transformer 30 includes the first communication unit 301, first communication unit 301 is for communicating with air-conditioner 40, electrical energy transformer 30 is for detecting the dump energy of accumulator 20, and by the first communication unit 301, the dump energy of accumulator 20 is sent to air-conditioner 40；Air-conditioner 40 is for receiving the electric energy of electrical energy transformer 30 output, and air-conditioner 40 includes second communication unit 401, second communication unit 401 is for communicating with the first communication unit 301, air-conditioner 40 is for receiving the dump energy of accumulator 20, and generate Power operation curve according to the instruction of user's input and the dump energy of accumulator 20, and according to Power operation curve motion within the default operation time.
It should be noted that, Power operation curve is air-conditioner power against time curve according to the Power operation specified according to Power operation curve within the default operation time, wherein, the operation power of air-conditioner can be realized by the running frequency of compressor in adjustment air-conditioner.
It should be noted that, two-way communication can be carried out between the first communication unit 301 and second communication unit 401, namely can carry out two-way communication between speech electrical energy transformer 30 and air-conditioner 40.
Specifically, electrical energy transformer 30 can detect and estimate the residual capacity of accumulator 20, and by carrying out the residual capacity of accumulator 20 to be passed to air-conditioner 40 with air-conditioner 40, air-conditioner is after receiving the residual capacity of accumulator 20, the Power operation curve in the operation time preset can be generated according to the instruction of the residual capacity of accumulator 20 and input, thus the running status in a period of time can be planned by air-conditioner according to the demand of the capacity information of accumulator and user, it is achieved the balance of endurance of storage battery and air-conditioner comfort property.
Thus, the air conditioning system of this utility model embodiment, can communicate between electrical energy transformer 30 and air-conditioner 40, electrical energy transformer 30 has the function of the residual capacity of detection accumulator 20 and the capacity information of accumulator can be sent to air-conditioner 40, running status in a period of time can be planned by air-conditioner 40 according to the demand of the capacity information of accumulator 20 and user, thus both can effectively protect accumulator, extend its service life, the operation time of air-conditioner self can also be extended, improve comfortableness, realize endurance of storage battery and the balance of air-conditioner comfort property.
According to a concrete example of the present utility model, first communication unit 301 and second communication unit 401 can be serial communication unit or wireless communication unit, namely say between the first communication unit 301 and second communication unit 401 and can serial communication mode or communication communicate.More specifically, serial communication unit can be RS232 or RS485 serial unit.
According to a specific embodiment of the present utility model, solar battery array 10 is mountable on open air or roof, to gather sunlight better；Electrical energy transformer 30 can be installed under the eaves of outdoor, it is also possible to is installed on indoor；Accumulator 20 is installed on indoor, it is also possible to be integrated among electrical energy transformer 30；Air-conditioner 40 is installed on indoor with adjusting indoor environment.
The electrical energy transformer 30 of this utility model embodiment is described below in conjunction with Fig. 2.
According to a specific embodiment of the present utility model, as in figure 2 it is shown, electrical energy transformer 30 includes: sampling unit 302 and the first control unit 303.
Wherein, sampling unit 302 is for gathering the voltage at accumulator 20 two ends and flowing through the electric current of accumulator 20；First control unit 303 is for the dump energy of the voltage according to accumulator 20 two ends and the Current calculation accumulator 20 flowing through accumulator 20, and by the first communication unit 301, the dump energy of accumulator 20 is sent to air-conditioner 40.
That is, sampling unit 302 can gather the voltage at accumulator 20 two ends and the electric current of inflow/outflow accumulator 20, and the voltage and current collected is passed to the first control unit 303, first control unit 303 can estimate the dump energy of accumulator 20, thus realizing the detection of accumulator dump energy.
So, the electric current of the electrical energy transformer 30 voltage and inflow/outflow accumulator 20 by detecting accumulator 20 two ends obtains the residual capacity of accumulator 20, and can communicating between electrical energy transformer 30 and air-conditioner 40, electrical energy transformer 30 can pass through the residual capacity of the accumulator 20 that the first communication unit 301 estimates and be sent to air-conditioner 40.
It should be appreciated that there are the computational methods of multiple battery residual capacity in correlation technique, electrical energy transformer 30 may utilize the dump energy of the such as state estimation algorithm of the computational methods in correlation technique estimation accumulator 20, is no longer described in detail here.
Further, as in figure 2 it is shown, electrical energy transformer 30 also includes: low-voltage direct bus 304, charging circuit 305, DC/DC translation circuit 306 and the first Switching Power Supply 307.
Wherein, charging circuit 305 for being transferred to low-voltage direct bus 304 by the electric energy that solar battery array 10 provides, and charges to accumulator 20 by low-voltage direct bus 304；The input of DC/DC translation circuit 306 is connected with low-voltage direct bus 304, the outfan of DC/DC translation circuit 306 is connected with air-conditioner 40, for the low-voltage DC on low-voltage direct bus 304 is converted to high voltage direct current, DC/DC translation circuit 306 thinks that air-conditioner 40 is powered, namely speech DC/DC translation circuit 306 is for being converted to high voltage direct current by the low-voltage DC that accumulator 20 and/or charging circuit 305 export, after the electric energy that such solar battery array 10 provides is transferred on low-voltage direct bus 304, charge or DC/DC translation circuit 306 can be directly over to accumulator 20 and supply air-conditioner 40；First Switching Power Supply 307 is connected with low-voltage direct bus 304, for the voltage obtained from low-voltage direct bus 304 is converted to supply voltage, first Switching Power Supply 307 thinks that the first communication unit 301 and the first control unit 303 are powered, namely say, first Switching Power Supply 307 can power taking from low-voltage direct bus 304, and stably export the supply voltage needed for the first communication unit 301 and the first control unit 303 etc., wherein, supply voltage is smaller than the voltage of low-voltage DC.
Thus, low-voltage direct bus 304 is charging circuit 305, provides electrical path between DC/DC translation circuit the 306, first Switching Power Supply 307 and accumulator 20, it is achieved that electrical interconnection.
Further, charging circuit 305 and DC/DC translation circuit 306 can be operated under the control of the first control unit 303.Specifically, the first control unit 303 can control output electric current and the/output voltage of charging circuit 305, to provide stable low-voltage DC；First control unit 303 can control DC/DC translation circuit 306 so that DC/DC translation circuit 306 exports stable high voltage direct current.
That is, first control unit 303 is the control core of electrical energy transformer 30, except realizing the control to charging circuit 305 and DC/DC translation circuit 306, gather the voltage at accumulator two ends and the electric current of inflow/outflow accumulator 20 to estimate the dump energy of accumulator 20 also by sampling unit 302.
Additionally, according to a concrete example of the present utility model, DC/DC translation circuit 306 can could be used without the Boost circuit topological structure of electrical isolation, with one or more circuit topological structures in the push-pull circuit topological structure of electrical isolation, double tube positive exciting circuit topological structure, half-bridge circuit topology and full-bridge circuit topological structure.When adopting above-mentioned multiple circuit topological structure, can by multiple circuit topological structure crisscross parallels or directly parallel connection.
According to an embodiment of the present utility model, sampling unit 302 is additionally operable to gather the output voltage of solar battery array 10 and output electric current；First control unit 303 is additionally operable to the output voltage according to solar battery array 10 and the output of output Current calculation solar battery array 10, and obtain the operation power of air-conditioner 40 by the first communication unit 301, and the electric energy running electric energy that solar battery array 10 export by power and accumulator 20 storage according to the output of solar battery array 10 and air-conditioner 40 is allocated.
That is, two-way communication can be carried out between electrical energy transformer 30 and air-conditioner 40, namely speech electrical energy transformer 30 can be sent to air-conditioner 40 the dump energy of accumulator 20, and air-conditioner 40 can also such as run power the running status of air-conditioner 40 and be sent to electrical energy transformer 30.So, electrical energy transformer 200 can reasonably plan the energy distribution between accumulator 20 and air-conditioner 40 according to the operation power of the air-conditioner 40 received.
Specifically, first electrical energy transformer 30 gathers the output voltage of solar battery array 10 and the output voltage of the output electric current also solar battery array 10 that basis collects obtains the output Ppv of solar battery array 10 with output electric current, and by communicating to receive the operation power P air of air-conditioner with the second communication unit 401 of air-conditioner 40；Then, the operation power P air of the output Ppv of solar battery array 10 Yu air-conditioner is compared by electrical energy transformer 30, wherein, if the output Ppv of solar battery array 10 is more than the operation power P air of air-conditioner, the electric energy that solar battery array 10 sends then is delivered to air-conditioner 40 and accumulator 40 by electrical energy transformer 30, to charge to accumulator 20 and to power to air-conditioner 40；If the output Ppv of solar battery array 10 is less than or equal to the operation power P air of air-conditioner, electric energy that solar battery array 10 is then sent by electrical energy transformer 30 and the electric energy that accumulator 40 stores are delivered to air-conditioner 40, to power to air-conditioner 40.
If it is to say, Ppv is more than Pair, then solar battery array 10 is individually for air-conditioner 40 and powers, and the electric energy more than needed that solar battery array 10 sends stores in accumulator 20；Otherwise, if Ppv is less than or equal to Pair, then solar battery array 10 and accumulator 20 are powered for air-conditioner 40 jointly, the electric energy that solar battery array 10 sends all supplies air-conditioner 40 and uses, the electric energy supply air-conditioner 40 that simultaneously accumulator 20 also discharges uses, it is ensured that air-conditioner properly functioning.
Thus, electrical energy transformer 30 is by communicating, with air-conditioner 40, the running status obtaining air-conditioner, such that it is able to reasonably carry out energy distribution.
The air-conditioner 40 of this utility model embodiment is described below in conjunction with Fig. 3.
According to an embodiment of the present utility model, as it is shown on figure 3, air-conditioner 40 includes: man-machine interaction unit 402 and the second control unit 403.
Wherein, man-machine interaction unit 402 is for receiving the instruction of user's input, and wherein, the instruction of user's input includes at least one in operation time, operational mode and plan power consumption；Second control unit 403 for receiving the dump energy of accumulator 20 by second communication unit 401, and generate Power operation curve according to the instruction of user's input and the dump energy of accumulator 20, and it is interior according to Power operation curve motion at runtime to control air-conditioner.
That is, air-conditioner 40 can pass through man-machine interaction unit 409 and receive the operation time of user's setting, runs the instruction such as module and plan power consumption, it is also possible to received the dump energy information of the accumulator 20 that electrical energy transformer sends by the second communication unit 401.So, air-conditioner 40 can plan air-conditioner running status within a period of time according to the demand that user sets the dump energy in conjunction with accumulator 20.
Physical planning flow process is as follows: air-conditioner 40 first passes through the second communication unit 401 and receives the dump energy of the accumulator 20 that electrical energy transformer 30 sends, and is received the operation time of user's input by man-machine interaction unit 402, run the instruction such as module and plan power consumption；Then, second control unit 403 dump energy according to accumulator 20 the operation time in conjunction with user's input, operation module and plan power consumption generate Power operation curve, and control air-conditioner according to the Power operation curve operating generated, thus cooking up the running status that air-conditioner is interior at runtime.
Wherein, according to a concrete example of the present utility model, man-machine interaction unit 402 can be the control panel on air-conditioner 40, or is the remote controller communicated with air-conditioner 40, or is the mobile terminal communicated with air-conditioner 40.
Further, according to an embodiment of the present utility model, second control unit 403 is additionally operable to the dump energy of default sampling period reception accumulator 20, and the dump energy corrected output operation curve of the accumulator 20 according to current sample period acquisition, and control air-conditioner according to revised Power operation curve motion.
That is, second control unit 403 of air-conditioner 40 can be periodically received the residual capacity of the accumulator 20 that electrical energy transformer 30 sends, or the residual capacity of accumulator 20 periodically can be sent to the second control unit 403 of air-conditioner 40 by electrical energy transformer 20.So, the second control unit 403 can regenerate Power operation curve according to the current remaining capacity of accumulator 20 and remaining operation time, thus revising the Power operation curve of air-conditioner 40.Thereby, it is possible to ensure the flying power of accumulator, average out between service lifetime of accumulator and air-conditioner comfortableness, and be capable of more accurate power control.
For example, when air-conditioner is when running night, solar battery array 10 does not generate electricity, the residual capacity of accumulator 20 is by load, the impact running the time, and load and operation time can by air-conditioner control, so, after the second control unit 403 cooks up Power operation curve according to the dump energy of accumulator 20, can control air-conditioner at runtime in only according to this Power operation curve operate, be modified without to Power operation curve.
When air-conditioner runs by day, solar battery array 10 can generate electricity, the residual capacity of accumulator 20 is by load, the impact running time and solar charging power, and illumination is time-varying, therefore, the residual capacity of accumulator 20 is uncertain, the residual capacity of accumulator 20 is sent to the second control unit 403 of air-conditioner by the sampling period that now electrical energy transformer 30 can be preset, and the second control unit 403 regenerates Power operation curve according to up-to-date residual capacity and remaining runtime.
It addition, according to one embodiment of this utility model, air-conditioner 40 adopts direct current supply, it is necessary to explanation, blower fan and compressor in air-conditioner 40 all can adopt DC frequency-changing control, and cross valve may be used without direct current cross valve.Air-conditioner 40 also includes: compressor control unit 404, outer blower fan control unit 405, electric auxiliary thermal control units 406, inner blower control unit 407, high voltage dc bus 408 and second switch power supply 409.
Wherein, compressor control unit 404 is for controlling the compressor of air-conditioner 40；Outer blower fan control unit 405 is for controlling the outer blower fan of air-conditioner 40；The auxiliary thermal control units 406 of electricity is for controlling the electric heater of air-conditioner 40；Inner blower control unit 407 is for controlling the inner blower of air-conditioner 40.
Compressor control unit 404, outer blower fan control unit 405, the auxiliary thermal control units 406 of electricity and inner blower control unit 407 are both connected on high voltage dc bus 408, so that electrical energy transformer 30 is compressor control unit 404 by high voltage dc bus 408, outer blower fan control unit 405, the auxiliary thermal control units 406 of electricity and inner blower control unit 407 are powered, namely say, the HVDC transmission of DC/DC translation circuit 306 output of electrical energy transformer 30 is to after high voltage dc bus 408, resupply compressor control unit 404, outer blower fan control unit 405, the auxiliary thermal control units 406 of electricity and inner blower control unit 407.
Second switch power supply 409 is connected with high voltage dc bus 408, for the voltage obtained from high voltage dc bus 408 is converted to supply voltage, second switch power supply 409 thinks that second communication unit 401, man-machine interaction unit 402 and the second control unit 403 are powered, namely say, second switch power supply 409 can power taking from high voltage dc bus 408, and the supply voltage that stably output second communication unit 401, man-machine interaction unit 402 and the second control unit 403 etc. are required.
To sum up, according to the air conditioning system that this utility model embodiment proposes, electrical energy transformer and air-conditioner communicate, electrical energy transformer can detect the dump energy of accumulator, and the dump energy of accumulator is sent to air-conditioner, air-conditioner receives the dump energy of accumulator, and generate Power operation curve according to the instruction of user's input and the dump energy of accumulator, and according to Power operation curve motion within the default operation time, thus, both can effectively protect accumulator and extend its service life, the operation time of air-conditioner can also be extended and improve its comfortableness, ensure to average out between the flying power and the comfort property of air-conditioner of accumulator.
This utility model embodiment also proposed the control method of a kind of air conditioning system, and the method can perform in the air conditioning system of above-described embodiment.
Air conditioning system includes for the solar battery array of photovoltaic generation, accumulator, electrical energy transformer and air-conditioner, wherein, electrical energy transformer is connected with solar battery array, accumulator and air-conditioner respectively, solar battery array is used for photovoltaic generation, and charged a battery by electrical energy transformer and power to air-conditioner, accumulator is for powering to air-conditioner by electrical energy transformer, electrical energy transformer includes the first communication unit communicated with air-conditioner, and air-conditioner includes the second communication unit communicated with the first communication unit.
As shown in Figure 4, the control method of the air conditioning system of this utility model embodiment comprises the following steps:
S1: the dump energy of electrical energy transformer detection accumulator, and by the first communication unit, the dump energy of accumulator is sent to air-conditioner.
S2: air-conditioner receives the dump energy of accumulator by second communication unit, and generates Power operation curve according to the instruction of user's input and the dump energy of accumulator, and according to Power operation curve motion within the default operation time.
Thus; the control method of the air conditioning system of this utility model embodiment; can communicate between electrical energy transformer and air-conditioner; electrical energy transformer can be sent to air-conditioner the capacity information of the accumulator detected; running status in a period of time can be planned by air-conditioner according to the demand of the capacity information of accumulator and user; thus both can effectively protect accumulator; extend its service life; the operation time of air-conditioner self can also be extended; improve comfortableness, it is achieved the balance of endurance of storage battery and air-conditioner comfort property.
According to one embodiment of this utility model, as it is shown in figure 5, the dump energy of detection accumulator farther includes:
S11: electrical energy transformer gathers the voltage at accumulator two ends and flows through the electric current of accumulator.
S12: the electrical energy transformer dump energy according to the voltage at accumulator two ends and the Current calculation accumulator flowing through accumulator.
So, the electric current of electrical energy transformer voltage and inflow/outflow accumulator by detecting accumulator two ends obtains the residual capacity of accumulator, and can communicating between electrical energy transformer and air-conditioner, electrical energy transformer can pass through the first communication unit and the residual capacity of the accumulator estimated is sent to air-conditioner.
It should be appreciated that correlation technique has the computational methods of multiple battery residual capacity, the dump energy of the computational methods such as state estimation algorithm estimation accumulator in the available correlation technique of electrical energy transformer, no longer it is described in detail here.
Further, as shown in Figure 6, the control method of air conditioning system:
S14: electrical energy transformer gathers output voltage and the output electric current of solar battery array the output according to the output voltage of solar battery array and output Current calculation solar battery array；
S15: electrical energy transformer obtains the operation power of air-conditioner by the first communication unit, and the electric energy running electric energy that solar battery array export by power and accumulator storage according to the output of solar battery array and air-conditioner is allocated.
Specifically, as it is shown in fig. 7, the electric energy method of salary distribution specifically includes following steps:
S101: the output voltage of the solar battery array that the output voltage of electrical energy transformer collection solar battery array and output electric current basis collect and output electric current obtain the output Ppv of solar battery array, and by communicating to receive the operation power P air of air-conditioner with the second communication unit of air-conditioner.
S102: the operation power P air of the output Ppv of solar battery array Yu air-conditioner is compared by electrical energy transformer.
S103: if the output Ppv of solar battery array is more than the operation power P air of air-conditioner, then solar battery array is individually for air-conditioner and powers, and the electric energy more than needed that solar battery array sends stores accumulator.
S104: if the output Ppv of solar battery array is less than or equal to the operation power P air of air-conditioner, then solar battery array and accumulator are powered for air-conditioner jointly, the electric energy that solar battery array sends all supplies air-conditioner and uses, the electric energy supply air-conditioner that simultaneously accumulator also discharges uses, it is ensured that air-conditioner properly functioning.
Thus, electrical energy transformer by communicating the running status obtaining air-conditioner with air-conditioner, such that it is able to reasonably carry out energy distribution.
According to another embodiment of this utility model, as shown in Figure 8, generate Power operation curve according to the instruction of user's input and the dump energy of accumulator to farther include:
S21: air-conditioner receives the instruction of user's input, wherein, the instruction of user's input includes at least one in operation time, operational mode and plan power consumption.
S22: air-conditioner receives the dump energy of accumulator by second communication unit.
S23: instruction that air-conditioner inputs according to user and the dump energy of accumulator generate Power operation curve, and at runtime according to Power operation curve motion.
Further, the control method of the air conditioning system of this utility model embodiment also includes:
Air-conditioner receives the dump energy of accumulator the dump energy corrected output operation curve of the accumulator obtained according to current sample period with the default sampling period, and according to revised Power operation curve motion.
As it is shown in figure 9, the control method of this utility model embodiment comprises the following steps:
S201: air-conditioner receives the dump energy of the accumulator that electrical energy transformer sends by the second communication unit, and is received the operation time of user's input by man-machine interaction unit, run the instruction such as module and plan power consumption.
S202: the air-conditioner dump energy according to accumulator the operation time in conjunction with user's input, operation module and plan power consumption generate Power operation curve, and control air-conditioner according to the Power operation curve operating generated, thus cooking up the running status that air-conditioner is interior at runtime.
S203: air-conditioner is periodically received the residual capacity of the accumulator that electrical energy transformer sends, or the residual capacity of accumulator periodically can be sent to air-conditioner by electrical energy transformer, air-conditioner regenerates Power operation curve according to current remaining capacity and the remaining operation time of accumulator, thus revising the Power operation curve of air-conditioner 40.
Thereby, it is possible to ensure the flying power of accumulator, average out between service lifetime of accumulator and air-conditioner comfortableness.
For example, when air-conditioner is when running night, solar battery array does not generate electricity, the residual capacity of accumulator is by load, the impact running the time, and load and operation time can by air-conditioner control, so, after air-conditioner cooks up Power operation curve according to the dump energy of accumulator, can at runtime in only according to this Power operation curve operate, be modified without to Power operation curve.
When air-conditioner runs by day, solar battery array can generate electricity, the residual capacity of accumulator is by load, the impact running time and solar charging power, and illumination is time-varying, therefore, the residual capacity of accumulator is uncertain, and the residual capacity of accumulator is sent to air-conditioner by the sampling period that now electrical energy transformer can be preset, and air-conditioner regenerates Power operation curve according to up-to-date residual capacity and remaining runtime.
It should be noted that part not deployed in the control method of the air conditioning system of this utility model embodiment, it is referred to the corresponding part of the air conditioning system of above example, is no longer developed in details at this.
To sum up, control method according to the air conditioning system that this utility model embodiment proposes, electrical energy transformer and air-conditioner communicate, electrical energy transformer can detect the dump energy of accumulator, and the dump energy of accumulator is sent to air-conditioner, air-conditioner receives the dump energy of accumulator, and generate Power operation curve according to the instruction of user's input and the dump energy of accumulator, and according to Power operation curve motion within the default operation time, thus, both can effectively protect accumulator and extend its service life, the operation time of air-conditioner can also be extended and improve its comfortableness, ensure to average out between the flying power and the comfort property of air-conditioner of accumulator.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, for instance two, three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or integral；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in this utility model as the case may be.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment of the present utility model or example.In this manual, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in one or more embodiments in office or example in an appropriate manner.Additionally, when not conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be carried out combining and combining by those skilled in the art.
Although above it has been shown and described that embodiment of the present utility model, it is understandable that, above-described embodiment is illustrative of, it is not intended that to restriction of the present utility model, above-described embodiment can be changed in scope of the present utility model, revises, replace and modification by those of ordinary skill in the art.
Claims (7)
1. an air conditioning system, it is characterised in that include solar battery array, accumulator, air-conditioner and the electrical energy transformer being connected respectively with described solar battery array, described accumulator and described air-conditioner, wherein,
Described solar battery array is used for photovoltaic generation, and gives the charging of described accumulator by described electrical energy transformer and power to described air-conditioner；
Described accumulator is for powering to described air-conditioner by described electrical energy transformer；
Described electrical energy transformer includes the first communication unit communicated with described air-conditioner, and described electrical energy transformer is for detecting the dump energy of described accumulator, and by described first communication unit, the dump energy of described accumulator is sent to described air-conditioner；
Described air-conditioner includes the second communication unit communicated with described first communication unit, described air-conditioner for receiving the dump energy of described accumulator by described second communication unit, and generate Power operation curve according to the instruction of user's input and the dump energy of described accumulator, and according to described Power operation curve motion within the default operation time.
2. air conditioning system according to claim 1, it is characterised in that described electrical energy transformer includes:
Sampling unit, described sampling unit is for gathering the voltage at described accumulator two ends and flowing through the electric current of described accumulator；
First control unit, described first control unit is for according to the voltage at described accumulator two ends with flow through the dump energy of accumulator described in the Current calculation of described accumulator, and by described first communication unit, the dump energy of described accumulator is sent to described air-conditioner.
3. air conditioning system according to claim 2, it is characterised in that
Described sampling unit is additionally operable to gather the output voltage of described solar battery array and output electric current；
Described first control unit is additionally operable to the output of solar battery array described in the output voltage according to described solar battery array and output Current calculation, and obtained the operation power of described air-conditioner by described first communication unit, and according to the output of described solar battery array and described air-conditioner run electric energy that described solar battery array exports by power and the electric energy that described accumulator stores is allocated.
4. air conditioning system according to claim 2, it is characterised in that described electrical energy transformer also includes:
Low-voltage direct bus；
Charging circuit, described charging circuit for being transferred to described low-voltage direct bus by the electric energy that described solar battery array provides, and gives the charging of described accumulator by described low-voltage direct bus；
DC/DC translation circuit, the input of described DC/DC translation circuit is connected with described low-voltage direct bus, the outfan of described DC/DC translation circuit is connected with described air-conditioner, for the low-voltage DC on described low-voltage direct bus is converted to high voltage direct current, described DC/DC translation circuit thinks that described air-conditioner is powered；
First Switching Power Supply, described first Switching Power Supply is connected with described low-voltage direct bus, for the voltage obtained from described low-voltage direct bus is converted to supply voltage, described first Switching Power Supply thinks that described first communication unit and described first control unit are powered.
5. the air conditioning system according to any one of claim 1-4, it is characterised in that described air-conditioner includes:
Man-machine interaction unit, described man-machine interaction unit is for receiving the instruction of user's input, and wherein, the instruction of described user input includes at least one in operation time, operational mode and plan power consumption；
Second control unit, described second control unit for receiving the dump energy of described accumulator by described second communication unit, and the dump energy of the instruction inputted according to described user and described accumulator generates described Power operation curve, and control described air-conditioner within the described operation time according to described Power operation curve motion.
6. air conditioning system according to claim 5, it is characterised in that described air-conditioner also includes:
Compressor control unit, described compressor control unit is for controlling the compressor of described air-conditioner；
Outer blower fan control unit, described outer blower fan control unit is for controlling the outer blower fan of described air-conditioner；
The auxiliary thermal control units of electricity, the auxiliary thermal control units of described electricity is for controlling the electric heater of described air-conditioner；
Inner blower control unit, described inner blower control unit is for controlling the inner blower of described air-conditioner；
High voltage dc bus, wherein, described compressor control unit, described outer blower fan control unit, the auxiliary thermal control units of described electricity and described inner blower control unit are both connected on described high voltage dc bus, so that described electrical energy transformer is that described compressor control unit, described outer blower fan control unit, the auxiliary thermal control units of described electricity and described inner blower control unit are powered by described high voltage dc bus；
Second switch power supply, described second switch power supply is connected with described high voltage dc bus, for the voltage obtained from described high voltage dc bus is converted to supply voltage, described second switch power supply thinks that described second communication unit, described man-machine interaction unit and described second control unit are powered.
7. air conditioning system according to claim 1, it is characterised in that described accumulator is integrally disposed with described electrical energy transformer.
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| CN201521098653.4U CN205372860U (en) | 2015-12-23 | 2015-12-23 | Air conditioning system |
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| CN201521098653.4U CN205372860U (en) | 2015-12-23 | 2015-12-23 | Air conditioning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105485809A (en) * | 2015-12-23 | 2016-04-13 | 广东美的制冷设备有限公司 | Air conditioning system and control method of air conditioning system |
| CN108870600A (en) * | 2018-08-13 | 2018-11-23 | 珠海格力电器股份有限公司 | A kind of control system and control method, a kind of air conditioner of unit |
| CN111023462A (en) * | 2019-12-02 | 2020-04-17 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit power generation system, control method and air conditioner |
| CN112952793A (en) * | 2021-03-24 | 2021-06-11 | 重庆大学 | Air conditioning system with photovoltaic power generation and electric power storage combined power supply |
| WO2023004086A1 (en) * | 2021-07-21 | 2023-01-26 | Airborne Motor Works Inc. | Gyroscopic air handler method and apparatus |
| US11883345B2 (en) | 2019-01-20 | 2024-01-30 | Airborne Motors, Llc | Medical stabilizer harness method and apparatus |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105485809A (en) * | 2015-12-23 | 2016-04-13 | 广东美的制冷设备有限公司 | Air conditioning system and control method of air conditioning system |
| CN105485809B (en) * | 2015-12-23 | 2019-01-22 | 广东美的制冷设备有限公司 | The control method of air-conditioning system and air-conditioning system |
| CN108870600A (en) * | 2018-08-13 | 2018-11-23 | 珠海格力电器股份有限公司 | A kind of control system and control method, a kind of air conditioner of unit |
| US11883345B2 (en) | 2019-01-20 | 2024-01-30 | Airborne Motors, Llc | Medical stabilizer harness method and apparatus |
| CN111023462A (en) * | 2019-12-02 | 2020-04-17 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit power generation system, control method and air conditioner |
| CN111023462B (en) * | 2019-12-02 | 2021-06-18 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit power generation system, control method and air conditioner |
| CN112952793A (en) * | 2021-03-24 | 2021-06-11 | 重庆大学 | Air conditioning system with photovoltaic power generation and electric power storage combined power supply |
| WO2023004086A1 (en) * | 2021-07-21 | 2023-01-26 | Airborne Motor Works Inc. | Gyroscopic air handler method and apparatus |
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