CN103986226B - Air conditioner and power supply system and power supply method thereof - Google Patents
Air conditioner and power supply system and power supply method thereof Download PDFInfo
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- CN103986226B CN103986226B CN201410247696.8A CN201410247696A CN103986226B CN 103986226 B CN103986226 B CN 103986226B CN 201410247696 A CN201410247696 A CN 201410247696A CN 103986226 B CN103986226 B CN 103986226B
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Abstract
The invention discloses an air conditioner, a power supply system and a power supply method thereof, and relates to the field of air conditioners. Wherein, the power supply system of air conditioner includes: a storage battery and a power supply control unit; the power supply control unit is used for charging the storage battery through the power grid in the electric energy trough period of the power grid, controlling the storage battery to supply power to the air conditioner in the electric energy wave crest period of the power grid, and controlling the storage battery to supply power to the power grid. Through increase energy storage equipment in the power supply system at the air conditioner, carry out the energy storage at electric energy trough period, utilize the energy storage to supply power for the air conditioner at electric energy crest period, can also supply power for the electric wire netting in reverse to reach the purpose of peak clipping and filling out the valley, realized taking into account other loads as the center with the air conditioner, self-sufficient small-size electric power energy center makes the air conditioner no longer single consumer, can also regard as the energy to support, becomes electricity generation, power consumption, accumulate integration air conditioner.
Description
Technical field
The present invention relates to field of air conditioning, particularly to a kind of intelligent air condition of band energy storage and the electric power system of air-conditioning and method of supplying power to.
Background technology
Power plant is round-the-clock persistently to generate electricity, the tenacious of that power plant generating capacity is usually fixed, and this is it is possible to cause at the peak of power consumption electric energy that generates electricity period not enough, and has residue at the low power consumption electric energy that generates electricity period.If the electric energy issued is not used up, will result in the waste of power generation energy resource.Reducing power load often through margining electric method period in peak of power consumption, the drawback of margining electric method is to affect and is limited user's normal productive life demand.
Air-conditioning is one of use electric loading that in building, energy consumption is higher.Air-conditioning is generally only an electrical equipment at present.Along with current domestic electrical based model for load duration increases sharply, it is necessary to the electric power system of improvement air-conditioning, to reach the purpose of peak load shifting.
Summary of the invention
In order to improve the electric power system of air-conditioning, reaching the purpose of peak load shifting, the embodiment of the present invention proposes a kind of intelligent air condition of band energy storage and the electric power system of air-conditioning and method of supplying power to.
An aspect according to embodiments of the present invention, proposes the electric power system of a kind of air-conditioning, and air-conditioning is connected with the supply line of electrical network, and electric power system includes: accumulator and power control unit；Power control unit is for charging a battery by electrical network in the electric energy trough period of electrical network, and powers to air-conditioning in the electric energy crest period control accumulator of electrical network.
In an embodiment of the electric power system of air-conditioning, power control unit is additionally operable to control accumulator in the electric energy crest period of electrical network and powers to electrical network.
In an embodiment of the electric power system of air-conditioning, power control unit includes: intervalometer, the first trigger and the second trigger；Intervalometer sends triggering signal for the start time of the electric energy trough period at electrical network to the first trigger, sends triggering signal in the start time of the electric energy crest period of electrical network to the second trigger；First trigger, for after receiving triggering signal, triggers electrical network and charges a battery；Second trigger, for after receiving triggering signal, triggers accumulator and powers to air-conditioning.
In an embodiment of the electric power system of air-conditioning, power control unit also includes: the 3rd trigger；Intervalometer is additionally operable to send triggering signal in the start time of the electric energy crest period of electrical network to the 3rd trigger；3rd trigger, for after receiving triggering signal, triggers accumulator and powers to electrical network.
In an embodiment of the electric power system of air-conditioning, power control unit includes electric network information harvester, the first trigger and the second trigger；Electric network information harvester is currently at electric energy trough period or the information of electric energy crest period for obtaining electrical network from the host computer of electrical network, if getting electrical network to be currently at the information of electric energy trough period, triggering signal is sent to the first trigger, if getting electrical network to be currently at the information of electric energy crest period, send triggering signal to the second trigger；First trigger, for after receiving triggering signal, triggers electrical network and charges a battery；Second trigger, for after receiving triggering signal, triggers accumulator and powers to air-conditioning.
In an embodiment of the electric power system of air-conditioning, power control unit also includes: the 3rd trigger；If electric network information harvester is additionally operable to get electrical network and is currently at the information of electric energy crest period, send triggering signal to the 3rd trigger；3rd trigger, for after receiving triggering signal, triggers accumulator and powers to electrical network.
In an embodiment of the electric power system of air-conditioning, power control unit includes electric network information harvester, comparator, the first trigger and the second trigger；Electric network information harvester for obtaining the energy information of electrical network from the host computer of electrical network, and sends comparator to；Comparator is for comparing the energy information of electrical network with electric energy trough threshold value and electric energy crest threshold value, to determine that electrical network is currently at electric energy trough period or electric energy crest period, if electrical network is currently at the electric energy trough period, triggering signal is sent to the first trigger, if electrical network is currently at the electric energy crest period, send triggering signal to the second trigger；First trigger, for after receiving triggering signal, triggers electrical network and charges a battery；Second trigger, for after receiving triggering signal, triggers accumulator and powers to air-conditioning.
In an embodiment of the electric power system of air-conditioning, power control unit also includes: the 3rd trigger；If comparator is additionally operable to pass through to compare to determine that electrical network is currently at the electric energy crest period, send triggering signal to the 3rd trigger；3rd trigger, for after receiving triggering signal, triggers accumulator and powers to electrical network.
In an embodiment of the electric power system of air-conditioning, also include: the net side unit of bi-directional inverter and pusher side unit；Net side unit and the pusher side unit of bi-directional inverter are connected by dc bus；The net side unit of bi-directional inverter connects electrical network；The pusher side unit of bi-directional inverter connects air-conditioning；Accumulator is connected on dc bus.
In an embodiment of the electric power system of air-conditioning, also include: photovoltaic cell component；Power control unit is additionally operable to detect the electric energy that photovoltaic cell component produces, and controls photovoltaic cell component and preferentially power to air-conditioning, is powered to electrical network by the surplus electric energy outside electric energy needed for air-conditioning and/or charges a battery.
In an embodiment of the electric power system of air-conditioning, power control unit includes: detector, comparator, the 4th trigger, the 5th trigger and the 6th trigger；Detector is for detecting the electric energy that photovoltaic cell component produces, and is sent to comparator；Comparator electric energy needed for electric energy and the air-conditioning produced by photovoltaic cell component compares, to determine whether the electric energy that photovoltaic cell component produces has surplus electric energy relative to electric energy needed for air-conditioning, without surplus electric energy, triggering signal is sent to the 4th trigger, if there being surplus electric energy, send triggering signal to the 4th trigger, and send triggering signal to the 5th trigger and/or the 6th trigger；4th trigger, for after receiving triggering signal, triggers photovoltaic cell component and powers to air-conditioning；5th trigger, for after receiving triggering signal, triggers photovoltaic cell component and powers to electrical network；6th trigger, for after receiving triggering signal, triggers photovoltaic cell component and charges a battery.
In an embodiment of the electric power system of air-conditioning, also include: the net side unit of bi-directional inverter and pusher side unit；Net side unit and the pusher side unit of bi-directional inverter are connected by dc bus；The net side unit of bi-directional inverter connects electrical network；The pusher side unit of bi-directional inverter connects air-conditioning；Accumulator and photovoltaic cell component are connected on dc bus.
In an embodiment of the electric power system of air-conditioning, also including: stable-pressure device, stable-pressure device connects photovoltaic cell component and dc bus respectively.
Another aspect according to embodiments of the present invention, it is provided that a kind of air-conditioning, including the electric power system of aforesaid air-conditioning.
Another further aspect according to embodiments of the present invention, it is provided that the method for supplying power to of a kind of air-conditioning, air-conditioning is connected with the supply line of electrical network, it is characterised in that method of supplying power to includes: charged a battery by electrical network in the electric energy trough period of electrical network；Control accumulator in the electric energy crest period of electrical network to power to air-conditioning.
In an embodiment of the method for supplying power to of air-conditioning, also include: control accumulator in the electric energy crest period of electrical network and power to electrical network.
In an embodiment of the method for supplying power to of air-conditioning, also include: the electric energy that detection photovoltaic cell component produces；Control photovoltaic cell component preferentially to power to air-conditioning, the surplus electric energy outside electric energy needed for air-conditioning is powered to electrical network and/or charges a battery.
In an embodiment of the method for supplying power to of air-conditioning, also include: needed for the electric energy that photovoltaic cell component produces is relative to air-conditioning during electric energy deficiency, control accumulator in the electric energy crest period of electrical network to power to air-conditioning, powered to air-conditioning by electrical network in the electric energy trough period of electrical network.
In an embodiment of the method for supplying power to of air-conditioning, also include: when electric energy has surplus needed for total electric energy that photovoltaic cell component and accumulator produce is relative to air-conditioning, control accumulator and power to electrical network；Needed for total electric energy that photovoltaic cell component and accumulator produce is relative to air-conditioning during electric energy deficiency, controls electrical network and power to air-conditioning.
The embodiment of the present invention at least has the advantage that
On the one hand, the electric power system of air-conditioning increases energy storage device, carries out energy storage in the electric energy trough period, utilize energy storage to power to air-conditioning in the electric energy crest period, reach the purpose of peak load shifting.
Another further aspect, energy storage can also be powered back to electrical network, electrical network can be alleviated period in peak of power consumption to power pressure, optimize configuration and the use of resource, realize centered by air-conditioning, take into account other loads, the small electrical energy centre that oneself is self-sustaining so that air-conditioning is no longer single electrical equipment, it is also used as the energy to support, becomes generating, electricity consumption, the electrical integrated air-conditioning of storage.
Another aspect, can also match access photovoltaic energy in the electric power system of air-conditioning, owing to the electric energy crest period is usually daytime, can preferentially use photovoltaic can power to air-conditioning, and both environmental protection can reach again the purpose of peak load shifting.Further, the photovoltaic of surplus can also be powered back to electrical network, or charges for accumulator.
By detailed description to the exemplary embodiment of the present invention referring to the drawings, the further feature of the present invention and advantage thereof will be made apparent from.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of one embodiment of electric power system of air-conditioning of the present invention.
Fig. 2 is the electric power system working condition schematic diagram in the electric energy trough period of electrical network of air-conditioning of the present invention.
Fig. 3 is the electric power system working condition schematic diagram in the electric energy crest period of electrical network of air-conditioning of the present invention.
Fig. 4 is the structural representation using hard-wired power control unit 20 that the present invention first is exemplary.
Fig. 5 is another structural representation using hard-wired power control unit 20 that the present invention first is exemplary.
Fig. 6 is the structural representation using hard-wired power control unit 20 that the present invention second is exemplary.
Fig. 7 is another structural representation using hard-wired power control unit 20 that the present invention second is exemplary.
Fig. 8 is the structural representation using hard-wired power control unit 20 that the present invention the 3rd is exemplary.
Fig. 9 is another structural representation using hard-wired power control unit 20 that the present invention the 3rd is exemplary.
Figure 10 is the structural representation of the electric power system further embodiment of air-conditioning of the present invention.
Figure 11 is the electric power system of the air-conditioning of the present invention working condition schematic diagram when photovoltaic electric energy abundance.
Figure 12 is the electric power system of air-conditioning of the present invention a kind of working condition schematic diagram when photovoltaic electric energy deficiency.
Figure 13 is the electric power system of the air-conditioning of the present invention another kind of working condition schematic diagram when photovoltaic electric energy deficiency.
Figure 14 is the structural representation using hard-wired power control unit 20 that the present invention the 4th is exemplary.
Figure 15 is the schematic flow sheet of one embodiment of method of supplying power to of air-conditioning of the present invention.
Figure 16 is the schematic flow sheet of the method for supplying power to further embodiment of air-conditioning of the present invention.
Figure 17 is the structural representation of the electric power system further embodiment of air-conditioning of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Description only actually at least one exemplary embodiment is illustrative below, never as to the present invention and application thereof or any restriction of use.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Unless specifically stated otherwise, the parts illustrated the most in these embodiments and positioned opposite, the numerical expression of step and numerical value do not limit the scope of the invention.
Simultaneously, it should be appreciated that for the ease of describing, the size of the various piece shown in accompanying drawing is not to draw according to actual proportionate relationship.
May be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but in the appropriate case, described technology, method and apparatus should be considered to authorize a part for description.
In shown here and all examples of discussing, any occurrence should be construed as merely exemplary rather than as limiting.Therefore, other example of exemplary embodiment can have different values.
It should also be noted that similar label and letter represent similar terms in following accompanying drawing, therefore, the most a certain Xiang Yi accompanying drawing is defined, then need not it is further discussed in accompanying drawing subsequently.
In order to improve the electric power system of air-conditioning, reaching the purpose of peak load shifting, the embodiment of the present invention proposes a kind of intelligent air condition of band energy storage and the electric power system of air-conditioning and method of supplying power to.
Figure 17 is the structural representation of one embodiment of electric power system of air-conditioning of the present invention.Wherein, air-conditioning is connected with the supply line of electrical network.As shown in figure 17, the electric power system of this embodiment includes: for the accumulator 10 of energy storage, the net side unit 30 of bi-directional inverter and pusher side unit 40, the net side unit 30 of bi-directional inverter is used for being converted to alternating current unidirectional current, and the pusher side unit 40 of bi-directional inverter is used for unidirectional current is converted to alternating current.Net side unit 30 and the pusher side unit 40 of bi-directional inverter are connected by dc bus, and the net side unit 30 of bi-directional inverter connects electrical network, and the pusher side unit 40 of bi-directional inverter connects air-conditioning, and accumulator 10 is connected on dc bus.In order to realize the Based Intelligent Control to air-conditioning electric power system, switch K1 can be set between the net side unit 30 of electrical network and bi-directional inverter, switch K2 can be set between accumulator 10 and dc bus, switch K3 can be set between pusher side unit 40 and the air-conditioning of bi-directional inverter.It is connected conducting, in order to electrical network charges to accumulator 10 between electric energy trough period electrical network and the accumulator 10 of electrical network；It is connected conducting, in order to accumulator 10 is powered to air-conditioning between electric energy crest period accumulator 10 and the air-conditioning of electrical network.It is connected conducting, in order to accumulator 10 is powered to electrical network between electric energy crest period accumulator 10 and the electrical network of electrical network.
Fig. 1 is the structural representation of one embodiment of electric power system of air-conditioning of the present invention.Wherein, air-conditioning is connected with the supply line of electrical network.As it is shown in figure 1, the electric power system of this embodiment includes: accumulator 10 and power control unit 20, wherein, accumulator 10 is used for energy storage, and power control unit 20 is used for being controlled the power supply of air-conditioning.The electric power system of air-conditioning can also include net side unit 30 and the pusher side unit 40 of bi-directional inverter, and the net side unit 30 of bi-directional inverter is used for being converted to alternating current unidirectional current, and the pusher side unit 40 of bi-directional inverter is used for unidirectional current is converted to alternating current.Net side unit 30 and the pusher side unit 40 of bi-directional inverter are connected by dc bus, and the net side unit 30 of bi-directional inverter connects electrical network, and the pusher side unit 40 of bi-directional inverter connects air-conditioning, and accumulator 10 is connected on dc bus.In order to realize the Based Intelligent Control to air-conditioning electric power system, switch K1 can be set between the net side unit 30 of electrical network and bi-directional inverter, switch K2 can be set between accumulator 10 and dc bus, switch K3 can be set between pusher side unit 40 and the air-conditioning of bi-directional inverter.
Fig. 2 is the electric power system working condition schematic diagram in the electric energy trough period of electrical network of air-conditioning of the present invention.As in figure 2 it is shown, arrow represents the sense of current, power control unit 20 is for charging to accumulator 10 by electrical network in the electric energy trough period of electrical network, and certainly, as routine techniques, electrical network can also be powered to air-conditioning.
Fig. 3 is the electric power system working condition schematic diagram in the electric energy crest period of electrical network of air-conditioning of the present invention.As it is shown on figure 3, arrow represents the sense of current, power control unit 20 is powered to air-conditioning for controlling accumulator 10 in the electric energy crest period of electrical network.If air-conditioning does not works or also has other to use electric loading in addition to air-conditioning, then power control unit 20 can be also used for powering to electrical network in the electric energy crest period control accumulator 10 of electrical network.
As can be seen here, the embodiment of the present invention increases energy storage device in the electric power system of air-conditioning, carrying out energy storage in the electric energy trough period, utilize energy storage to power to air-conditioning in the electric energy crest period, energy storage can also be powered back to electrical network, reach the purpose of peak load shifting, thus realize centered by air-conditioning, take into account other loads, the small electrical energy centre that oneself is self-sustaining so that air-conditioning is no longer single electrical equipment, it is also used as the energy to support, becomes generating, electricity consumption, the electrical integrated air-conditioning of storage.
In embodiments of the present invention, power control unit 20 can use software to realize its control logic, it would however also be possible to employ hardware realizes it and controls logic.Below mainly to using hard-wired power control unit 20 to illustrate, the invention provides three kinds of hard-wired power control units of exemplary employing 20, illustrate separately below.
Fig. 4 is the structural representation using hard-wired power control unit 20 that the present invention first is exemplary.The situation that the power control unit of the present embodiment is applicable to electric energy trough period of electrical network and the electric energy crest period has learned that.As shown in Figure 4, the power control unit 20 of the present embodiment includes: timer 2 the 1, first trigger 22 and the second trigger 23；Timer 21 electrically connects with the first trigger 22 and the second trigger 23 respectively；First trigger 22 electrically connects with switch K1 and switch K2 respectively；Second trigger 23 electrically connects with switch K2 and switch K3 respectively.In various embodiments of the present invention, trigger can be such as catalyst or relay, is used for controlling the closed and disconnected of switch.Timer 21 is used for realizing timing function.Specifically, timer 21 sends triggering signal for the start time of the electric energy trough period at electrical network to the first trigger 22, sends triggering signal in the start time of the electric energy crest period of electrical network to the second trigger 23.First trigger 22, for after receiving triggering signal, triggers electrical network and charges to accumulator 10.With reference to Fig. 1, the trigger process that electrical network charges to accumulator 10 such as can be realized by the first trigger 22 Guan Bi switch K1 and switch K2.Second trigger 23, for after receiving triggering signal, triggers accumulator 10 and powers to air-conditioning.With reference to Fig. 1, the trigger process that accumulator 10 is powered to air-conditioning such as can be realized by the first trigger 22 Guan Bi switch K2 and switch K3.
Fig. 5 is another structural representation using hard-wired power control unit 20 that the present invention first is exemplary.As it is shown in figure 5, power control unit 20 also includes: the 3rd trigger 24；Timer 21 electrically connects with the 3rd trigger 24；3rd trigger 24 electrically connects with switch K1 and switch K2 respectively.Timer 21 is additionally operable to send triggering signal in the start time of the electric energy crest period of electrical network to the 3rd trigger 24；3rd trigger 24, for after receiving triggering signal, triggers accumulator 10 and powers to electrical network.With reference to Fig. 1, the trigger process that accumulator 10 is powered to electrical network such as can be realized by the first trigger 22 Guan Bi switch K1 and switch K2.
Fig. 6 is the structural representation using hard-wired power control unit 20 that the present invention second is exemplary.The power control unit of the present embodiment is applicable to the situation that the electric energy trough crest information of electrical network obtains from the host computer of electrical network.As shown in Figure 6, the power control unit 20 of the present embodiment includes: electric network information harvester the 25, first trigger 22 and the second trigger 23；Electric network information harvester 25 electrically connects with the first trigger 22 and the second trigger 23 respectively；First trigger 22 and the second trigger 23, repeat no more with reference to aforementioned here with the electrical connection switched.Electric network information harvester 25 is currently at electric energy trough period or the information of electric energy crest period for obtaining electrical network from the host computer of electrical network, if getting electrical network to be currently at the information of electric energy trough period, triggering signal is sent to the first trigger 22, if getting electrical network to be currently at the information of electric energy crest period, send triggering signal to the second trigger 23.First trigger 22, for after receiving triggering signal, triggers electrical network and charges to accumulator 10.Second trigger 23, for after receiving triggering signal, triggers accumulator 10 and powers to air-conditioning.
Fig. 7 is another structural representation using hard-wired power control unit 20 that the present invention second is exemplary.As it is shown in fig. 7, power control unit 20 also includes: the 3rd trigger 24；Electric network information harvester 25 electrically connects with the 3rd trigger 24；3rd trigger 24 and the electrical connection switched, with reference to aforementioned, repeat no more here.If electric network information harvester 25 is additionally operable to get electrical network and is currently at the information of electric energy crest period, send triggering signal to the 3rd trigger 24.3rd trigger 24, for after receiving triggering signal, triggers accumulator 10 and powers to electrical network.
Fig. 8 is the structural representation using hard-wired power control unit 20 that the present invention the 3rd is exemplary.The power control unit of the present embodiment is applicable to the energy information of electrical network and knows from the host computer of electrical network, power control unit determine that electrical network is currently at electric energy trough period or the situation of electric energy crest period according to the energy information of electrical network.As shown in Figure 8, the power control unit 20 of the present embodiment includes: electric network information harvester 25, comparator the 26, first trigger 22 and the second trigger 23；Electric network information harvester 25 electrically connects with comparator 26, and comparator 26 electrically connects with the first trigger 22 and the second trigger 23 respectively；First trigger 22 and the second trigger 23, repeat no more with reference to aforementioned here with the electrical connection switched.Electric network information harvester 25 for obtaining the energy information of electrical network from the host computer of electrical network, and sends comparator 26 to；Comparator 26 is for comparing the energy information of electrical network with electric energy trough threshold value and electric energy crest threshold value, to determine that electrical network is currently at electric energy trough period or electric energy crest period, if electrical network is currently at the electric energy trough period, triggering signal is sent to the first trigger 22, if electrical network is currently at the electric energy crest period, send triggering signal to the second trigger 23.First trigger 22, for after receiving triggering signal, triggers electrical network and charges to accumulator 10.Second trigger 23, for after receiving triggering signal, triggers accumulator 10 and powers to air-conditioning.
Fig. 9 is another structural representation using hard-wired power control unit 20 that the present invention the 3rd is exemplary.As it is shown in figure 9, power control unit 20 also includes: the 3rd trigger 24；Comparator 26 electrically connects with the 3rd trigger 24；3rd trigger 24 and the electrical connection switched, with reference to aforementioned, repeat no more here.If comparator 26 is additionally operable to pass through to compare to determine that electrical network is currently at the electric energy crest period, send triggering signal to the 3rd trigger 24.3rd trigger 24, for after receiving triggering signal, triggers accumulator 10 and powers to electrical network.
Figure 10 is the structural representation of the electric power system further embodiment of air-conditioning of the present invention.As shown in Figure 10, the electric power system of the air-conditioning of the present embodiment also includes: photovoltaic cell component 50, and photovoltaic cell component 50 is connected on dc bus；Stable-pressure device 60 can also be set further between photovoltaic cell component 50 and dc bus.In order to realize the Based Intelligent Control to air-conditioning electric power system, switch K1, K2 and K3 except aforementioned setting, switch K4 can be set between photovoltaic cell component 50 and dc bus, if electric power system is also provided with stable-pressure device 60, then switch K4 can be set between stable-pressure device 60 and dc bus.Under the control of power control unit 20, photovoltaic cell component 50 can be powered to air-conditioning, or powers to electrical network, or charges to accumulator 10.Below the photovoltaic cell component 50 preferred working condition under some typical scenes is illustrated.
Figure 11 is the electric power system of the air-conditioning of the present invention working condition schematic diagram when photovoltaic electric energy abundance.As shown in figure 11, arrow represents the sense of current, power control unit 20 is additionally operable to detect the electric energy that photovoltaic cell component 50 produces, and controls photovoltaic cell component 50 and preferentially power to air-conditioning, is powered to electrical network by the surplus electric energy outside electric energy needed for air-conditioning and/or charges to accumulator 10.Further, power control unit 20 can control photovoltaic cell component 50 and first be powered to electrical network by the surplus electric energy outside electric energy needed for air-conditioning, charges to accumulator 10 the most again；Or, charge first to accumulator 10, power to electrical network the most again.
Figure 12 is the electric power system of air-conditioning of the present invention a kind of working condition schematic diagram when photovoltaic electric energy deficiency.As shown in figure 12, arrow represents the sense of current, needed for the electric energy that photovoltaic cell component 50 produces is relative to air-conditioning during electric energy deficiency, if the electric energy crest period at electrical network, controller 20 can control accumulator 10 and preferentially power to air-conditioning, when needed for total electric energy that photovoltaic cell component 50 and accumulator 10 produce is relative to air-conditioning, electric energy has surplus, it is also possible to control accumulator 10 and power to electrical network.
Figure 13 is the electric power system of the air-conditioning of the present invention another kind of working condition schematic diagram when photovoltaic electric energy deficiency.As shown in figure 13, arrow represents the sense of current, needed for the electric energy that photovoltaic cell component 50 produces is relative to air-conditioning during electric energy deficiency, if the electric energy crest period at electrical network, controller 20 can be powered to air-conditioning with priority acccess control accumulator 10, when needed for total electric energy that photovoltaic cell component 50 and accumulator 10 produce is relative to air-conditioning, electric energy has deficiency, it is also possible to control electrical network and power to air-conditioning.
Figure 14 is the structural representation using hard-wired power control unit 20 that the present invention the 4th is exemplary.As shown in figure 14, power control unit 20 includes: detector 27, comparator the 26, the 4th trigger the 281, the 5th trigger 282 and the 6th trigger 283；Detector 27 electrically connects with comparator 26；Comparator 26 electrically connects with the 4th trigger the 281, the 5th trigger 282 and the 6th trigger 283 respectively；4th trigger 281 electrically connects with switch K4 and switch K3；5th trigger 282 electrically connects with switch K4 and switch K1；6th trigger 283 electrically connects with switch K4 and switch K2.
Detector 27 is for detecting the electric energy that photovoltaic cell component 50 produces, and is sent to comparator 26.Comparator 26 electric energy needed for the electric energy that produced by photovoltaic cell component 50 with air-conditioning compares, to determine whether the electric energy that photovoltaic cell component produces has surplus electric energy relative to electric energy needed for air-conditioning, without surplus electric energy, triggering signal is sent to the 4th trigger 281, if there being surplus electric energy, send triggering signal to the 4th trigger 281, and send triggering signal to the 5th trigger 282 and/or the 6th trigger 283.4th trigger 281, for after receiving triggering signal, triggers photovoltaic cell component 50 and powers to air-conditioning.5th trigger 282, for after receiving triggering signal, triggers photovoltaic cell component 50 and powers to electrical network.6th trigger 283, for after receiving triggering signal, triggers photovoltaic cell component 50 and charges to accumulator 10.With reference to Fig. 1, the trigger process that photovoltaic cell component 50 is powered to air-conditioning such as can be realized by the 4th trigger 281 Guan Bi switch K4 and switch K3.The trigger process that photovoltaic cell component 50 is powered to electrical network such as can be realized by the 5th trigger 282 Guan Bi switch K4 and switch K1.Photovoltaic cell component 50 such as can realize to the trigger process of accumulator 10 charging by the 6th trigger 283 Guan Bi switch K4 and switch K2.
The embodiment of the present invention can also match access photovoltaic energy in the electric power system of air-conditioning, owing to the electric energy crest period is usually daytime, can preferentially use photovoltaic can power to air-conditioning, and both environmental protection can reach again the purpose of peak load shifting.Further, the photovoltaic of surplus can also be powered back to electrical network, or charges for accumulator.
The embodiment of the present invention also proposed a kind of air-conditioning, including aforesaid electric power system.
Figure 15 is the schematic flow sheet of one embodiment of method of supplying power to of air-conditioning of the present invention.As shown in figure 15, the method for supplying power to of the present embodiment includes:
Step S1501, was charged a battery by electrical network in the electric energy trough period of electrical network；
Step S1502, controls accumulator in the electric energy crest period of electrical network and powers to air-conditioning.
Figure 16 is the schematic flow sheet of the method for supplying power to further embodiment of air-conditioning of the present invention.As shown in figure 16, the method for supplying power to of the present embodiment also includes:
Step S1603, controls accumulator in the electric energy crest period of electrical network and powers to electrical network.
The embodiment of the present invention increases energy storage device in the electric power system of air-conditioning, energy storage is carried out in the electric energy trough period, energy storage is utilized to power to air-conditioning in the electric energy crest period, energy storage can also be powered back to electrical network, reaches the purpose of peak load shifting, thus realizes taking into account other loads centered by air-conditioning, the small electrical energy centre that oneself is self-sustaining, making air-conditioning is no longer single electrical equipment, it is also possible to supports as the energy, becomes generating, electricity consumption, the electrical integrated air-conditioning of storage.
In one embodiment of method of supplying power to of air-conditioning, also include: the electric energy that detection photovoltaic cell component produces；Control photovoltaic cell component preferentially to power to air-conditioning, the surplus electric energy outside electric energy needed for air-conditioning is powered to electrical network and/or charges a battery.Further, it is possible to control photovoltaic cell component, the surplus electric energy outside electric energy needed for air-conditioning is first powered to electrical network, charge a battery the most again；Or, first charge a battery, power to electrical network the most again.
In one embodiment of method of supplying power to of air-conditioning, also include: needed for the electric energy that photovoltaic cell component produces is relative to air-conditioning during electric energy deficiency, control accumulator in the electric energy crest period of electrical network to power to air-conditioning, powered to air-conditioning by electrical network in the electric energy trough period of electrical network.
In one embodiment of method of supplying power to of air-conditioning, also include: when electric energy has surplus needed for total electric energy that photovoltaic cell component and accumulator produce is relative to air-conditioning, control accumulator and power to electrical network；Needed for total electric energy that photovoltaic cell component and accumulator produce is relative to air-conditioning during electric energy deficiency, controls electrical network and power to air-conditioning.
The embodiment of the present invention can also match access photovoltaic energy in the electric power system of air-conditioning, owing to the electric energy crest period is usually daytime, can preferentially use photovoltaic can power to air-conditioning, and both environmental protection can reach again the purpose of peak load shifting.Further, the photovoltaic of surplus can also be powered back to electrical network, or charges for accumulator.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can be completed by hardware, relevant hardware can also be instructed by program to complete, described program can be stored in a kind of computer-readable recording medium, storage medium mentioned above can be read only memory, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (16)
1. an electric power system for air-conditioning, described air-conditioning is connected with the supply line of electrical network, and it is special
Levying and be, described electric power system includes: accumulator and power control unit；
Described power control unit passes through described electrical network for the electric energy trough period at described electrical network
Charge to described accumulator, and described electrical network the electric energy crest period control described accumulator to
Described air-conditioning is powered；
Described electric power system also includes photovoltaic cell component；
Described power control unit includes: detector, comparator, the 4th trigger, the 5th touch
Send out device and the 6th trigger；
Described detector is for detecting the electric energy that described photovoltaic cell component produces, and is sent to institute
State comparator；
Described comparator is needed for the electric energy and described air-conditioning produced by described photovoltaic cell component
Electric energy compares, in order to determine that electric energy that described photovoltaic cell component produces is relative to described sky
Adjust whether required electric energy has surplus electric energy, without surplus electric energy, to described 4th trigger
Sending triggering signal, if there being surplus electric energy, sending triggering signal to described 4th trigger,
And send triggering signal to described 5th trigger and/or the 6th trigger；
Described 4th trigger is for, after receiving triggering signal, triggering described photovoltaic cell group
Part is powered to described air-conditioning；
Described 5th trigger is for, after receiving triggering signal, triggering described photovoltaic cell group
Part is powered to described electrical network；
Described 6th trigger is for, after receiving triggering signal, triggering described photovoltaic cell group
Part charges to described accumulator.
Electric power system the most according to claim 1, it is characterised in that
Described power control unit is additionally operable to control described storage in the electric energy crest period of described electrical network
Battery is powered to described electrical network.
Electric power system the most according to claim 1, it is characterised in that described power supply controls
Unit includes: intervalometer, the first trigger and the second trigger；
Described intervalometer for start time of the electric energy trough period at described electrical network to described the
One trigger sends triggering signal, in start time of electric energy crest period of described electrical network to institute
State the second trigger and send triggering signal；
Described first trigger, for after receiving triggering signal, triggers described electrical network to described
Accumulator is charged；
Described second trigger is for, after receiving triggering signal, triggering described accumulator to institute
State air-conditioning to power.
Electric power system the most according to claim 3, it is characterised in that described power supply controls
Unit also includes: the 3rd trigger；
Described intervalometer is additionally operable to the start time of electric energy crest period at described electrical network to described
3rd trigger sends triggering signal；
Described 3rd trigger is for, after receiving triggering signal, triggering described accumulator to institute
State electrical network to power.
Electric power system the most according to claim 1, it is characterised in that described power supply controls
Unit includes electric network information harvester, the first trigger and the second trigger；
Described electric network information harvester is current for obtaining described electrical network from the host computer of described electrical network
It is in electric energy trough period or the information of electric energy crest period, if it is current to get described electrical network
Being in the information of electric energy trough period, sending triggering signal to described first trigger, if obtained
Get described electrical network and be currently at the information of electric energy crest period, send to described second trigger
Trigger signal；
Described first trigger, for after receiving triggering signal, triggers described electrical network to described
Accumulator is charged；
Described second trigger is for, after receiving triggering signal, triggering described accumulator to institute
State air-conditioning to power.
Electric power system the most according to claim 5, it is characterised in that described power supply controls
Unit also includes: the 3rd trigger；
If described electric network information harvester is additionally operable to get described electrical network and is currently at electric energy ripple
The information of peak period, sends triggering signal to described 3rd trigger；
Described 3rd trigger is for, after receiving triggering signal, triggering described accumulator to institute
State electrical network to power.
Electric power system the most according to claim 1, it is characterised in that described power supply controls
Unit includes electric network information harvester, comparator, the first trigger and the second trigger；
Described electric network information harvester for obtaining the electricity of described electrical network from the host computer of described electrical network
Energy information, and send described comparator to；
Described comparator is for by the energy information of described electrical network and electric energy trough threshold value and electric energy ripple
Peak threshold value compares, in order to determine that described electrical network is currently at electric energy trough period or electric energy ripple
The peak period, if described electrical network is currently at the electric energy trough period, send out to described first trigger
Go out to trigger signal, if described electrical network is currently at the electric energy crest period, trigger to described second
Device sends triggering signal；
Described first trigger, for after receiving triggering signal, triggers described electrical network to described
Accumulator is charged；
Described second trigger is for, after receiving triggering signal, triggering described accumulator to institute
State air-conditioning to power.
Electric power system the most according to claim 7, it is characterised in that described power supply controls
Unit also includes: the 3rd trigger；
If described comparator is additionally operable to pass through to compare to determine that described electrical network is currently at electric energy ripple
The peak period, send triggering signal to described 3rd trigger；
Described 3rd trigger is for, after receiving triggering signal, triggering described accumulator to institute
State electrical network to power.
Electric power system the most according to claim 1, it is characterised in that also include: two-way
The net side unit of inverter and pusher side unit；The net side unit of described bi-directional inverter and pusher side list
Unit is connected by dc bus；The net side unit of described bi-directional inverter connects described electrical network；Institute
The pusher side unit stating bi-directional inverter connects described air-conditioning；Described accumulator is connected to described direct current
On bus.
Electric power system the most according to claim 1, it is characterised in that also include: double
To net side unit and the pusher side unit of inverter；The net side unit of described bi-directional inverter and pusher side
Unit is connected by dc bus；The net side unit of described bi-directional inverter connects described electrical network；
The pusher side unit of described bi-directional inverter connects described air-conditioning；Described accumulator and described photovoltaic electric
Pond assembly is connected on described dc bus.
11. electric power systems according to claim 10, it is characterised in that also include: steady
Pressure device, described stable-pressure device connects described photovoltaic cell component and described dc bus respectively.
12. 1 kinds of air-conditionings, including the electric power system of the air-conditioning described in any one of claim 1-11.
The method of supplying power to of 13. 1 kinds of air-conditionings, described air-conditioning is connected with the supply line of electrical network, its
Being characterised by, described method of supplying power to includes:
Power control unit in electric energy trough period of described electrical network by described electrical network to accumulator
Charging；Control described accumulator in the electric energy crest period of described electrical network to power to described air-conditioning；
Described power control unit includes: detector, comparator, the 4th trigger, the 5th touch
Send out device and the 6th trigger；
The electric energy that described detector detection photovoltaic cell component produces, and it is sent to described comparator；
Electric energy needed for the electric energy that described photovoltaic cell component is produced by described comparator and described air-conditioning
Compare, in order to determine that electric energy that described photovoltaic cell component produces is relative to described air-conditioning institute
Need whether electric energy has surplus electric energy, without surplus electric energy, send to described 4th trigger
Triggering signal, if there being surplus electric energy, sending triggering signal to described 4th trigger, and to
Described 5th trigger and/or the 6th trigger send triggering signal；
Described 4th trigger receive triggering signal after, trigger described photovoltaic cell component to
Described air-conditioning is powered；
Described 5th trigger receive triggering signal after, trigger described photovoltaic cell component to
Described electrical network is powered；
Described 6th trigger receive triggering signal after, trigger described photovoltaic cell component to
Described accumulator is charged.
14. method of supplying power to according to claim 13, it is characterised in that also include: institute
State power control unit and control described accumulator to described electricity in the electric energy crest period of described electrical network
Net power supply.
15. method of supplying power to according to claim 13, it is characterised in that also include:
The electric energy that described power control unit produces at described photovoltaic cell component is relative to described sky
When adjusting required electric energy deficiency, control described accumulator to institute in the electric energy crest period of described electrical network
State air-conditioning to power, supply to described air-conditioning in the electric energy trough period of described electrical network by described electrical network
Electricity.
16. method of supplying power to according to claim 15, it is characterised in that also include:
Total electricity that described power control unit produces at described photovoltaic cell component and described accumulator
Described accumulator can be controlled supply to described electrical network relative to when electric energy has surplus needed for described air-conditioning
Electricity；
Total electricity that described power control unit produces at described photovoltaic cell component and described accumulator
Described electrical network can be controlled power to described air-conditioning relative to needed for described air-conditioning during electric energy deficiency.
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| CN201410247696.8A CN103986226B (en) | 2014-06-06 | 2014-06-06 | Air conditioner and power supply system and power supply method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104319761B (en) * | 2014-09-19 | 2017-03-29 | 珠海格力电器股份有限公司 | Photovoltaic air conditioning system and photovoltaic air conditioner with same |
| CN104807143B (en) * | 2015-05-14 | 2017-05-10 | 南通大学 | Electric-energy-friendly-based air conditioner load side active demand strategy |
| CN107040034A (en) * | 2016-02-03 | 2017-08-11 | 珠海格力电器股份有限公司 | Photovoltaic energy storage air conditioning device and control method |
| CN105978010A (en) * | 2016-05-23 | 2016-09-28 | 美的集团武汉制冷设备有限公司 | Photovoltaic air-conditioning power supply control system and control method based on peak and valley price |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2816660Y (en) * | 2005-08-11 | 2006-09-13 | 陈炯 | Multifunction energy-saving air conditioner fan |
| CN101841188A (en) * | 2010-02-08 | 2010-09-22 | 哈尔滨工业大学 | Hybrid power supply uninterruptible inverted power supply of power feedback type optical network |
| CN202126599U (en) * | 2011-05-26 | 2012-01-25 | 四川爱通电子线缆制造有限责任公司 | Peak valley energy saver for household appliances |
| CN102570505A (en) * | 2012-02-01 | 2012-07-11 | 中国电力科学研究院 | Method for controlling battery energy storage system for 'partial peak load shifting' of wind power |
| CN102593832A (en) * | 2012-03-15 | 2012-07-18 | 武汉大学 | Three-wire DC microgrid system suitable for modern buildings and control method thereof. |
| CN102882237A (en) * | 2011-07-15 | 2013-01-16 | 珠海银通新能源有限公司 | Intelligent energy storage machine and operating method thereof |
| JP2013116033A (en) * | 2011-11-30 | 2013-06-10 | Toshiba It & Control Systems Corp | Power supply device |
| CN203967818U (en) * | 2014-06-06 | 2014-11-26 | 珠海格力电器股份有限公司 | Air conditioner and power supply system thereof |
-
2014
- 2014-06-06 CN CN201410247696.8A patent/CN103986226B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2816660Y (en) * | 2005-08-11 | 2006-09-13 | 陈炯 | Multifunction energy-saving air conditioner fan |
| CN101841188A (en) * | 2010-02-08 | 2010-09-22 | 哈尔滨工业大学 | Hybrid power supply uninterruptible inverted power supply of power feedback type optical network |
| CN202126599U (en) * | 2011-05-26 | 2012-01-25 | 四川爱通电子线缆制造有限责任公司 | Peak valley energy saver for household appliances |
| CN102882237A (en) * | 2011-07-15 | 2013-01-16 | 珠海银通新能源有限公司 | Intelligent energy storage machine and operating method thereof |
| JP2013116033A (en) * | 2011-11-30 | 2013-06-10 | Toshiba It & Control Systems Corp | Power supply device |
| CN102570505A (en) * | 2012-02-01 | 2012-07-11 | 中国电力科学研究院 | Method for controlling battery energy storage system for 'partial peak load shifting' of wind power |
| CN102593832A (en) * | 2012-03-15 | 2012-07-18 | 武汉大学 | Three-wire DC microgrid system suitable for modern buildings and control method thereof. |
| CN203967818U (en) * | 2014-06-06 | 2014-11-26 | 珠海格力电器股份有限公司 | Air conditioner and power supply system thereof |
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|---|---|
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