CN107940800A - The control method and control device of a kind of solar air-conditioner system and the system - Google Patents
The control method and control device of a kind of solar air-conditioner system and the system Download PDFInfo
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- CN107940800A CN107940800A CN201711058953.3A CN201711058953A CN107940800A CN 107940800 A CN107940800 A CN 107940800A CN 201711058953 A CN201711058953 A CN 201711058953A CN 107940800 A CN107940800 A CN 107940800A
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- refrigerant circulation
- refrigerant
- heat exchanger
- compressor
- solenoid valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/002—Machines, plants or systems, using particular sources of energy using solar energy
- F25B27/005—Machines, plants or systems, using particular sources of energy using solar energy in compression type systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/006—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass for preventing frost
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
Abstract
The embodiment of the invention discloses a kind of solar air-conditioner system and the control method and control device of the system, it is related to solar airconditioning technical field.For solving the problems, such as that working time of the compressor in the case where there is white operating mode is shorter, it is necessary to continually start and stop in existing solar air-conditioner system.The solar air-conditioner system, including refrigerant circulation circuit, refrigerant circulation circuit includes sequentially connected compressor, four-way reversing valve, indoor heat exchanger, first throttling device and outdoor heat exchanger, and solar air-conditioner system further includes the solar thermal collector and regenerative apparatus being connected, further includes：Refrigerant circulation branch, the first end of refrigerant circulation branch is connected between first throttling device and outdoor heat exchanger, second end is connected with the air entry of compressor, refrigerant circulation branch is equipped with the first solenoid valve, and the refrigerant circulation branch between compressor and the first solenoid valve is connected with regenerative apparatus.The present invention can be used for indoor temperature adjustment.
Description
Technical field
The present invention relates to solar airconditioning technical field, more particularly to the control of a kind of solar air-conditioner system and the system
Method and control device.
Background technology
Solar energy is widely used as the clean environment firendly energy in every profession and trade.Domestic solar airconditioning system at present
System mainly has two kinds of forms, and one kind is to realize to freeze by the use of solar heat as absorption system generator heat source, but
When solar thermal collector temperature is relatively low, solar heat is converted into the less efficient of absorption refrigeration amount；Another way is
Using solar energy power generating, using the electrical energy drive vapour compression refrigeration system compressor of generation, its transformation efficiency also compared with
It is low.Due to solar energy itself unstability and the problems such as efficient energy conversion is low, cause solar energy needed for solar air-conditioner system
Heat collector is larger, and system investments are higher, in air conditioner industry using less.
The problems such as in order to solve solar energy itself unstability, improve apply range of the solar energy in field of air conditioning, existing
A kind of solar air-conditioner system is provided in technology, the heat for storing the collection of solar thermal collector 07 can be utilized, and will storage
Heat be used for air-conditioner defrosting etc..As shown in Figure 1, the solar air-conditioner system, including connect into the compressor 01, first in circuit
Four-way reversing valve 021, the second four-way reversing valve 022, outdoor heat exchanger 03, the first expansion valve 041, be parallel to the first expansion valve
First check valve 051 of 041 both sides, the second expansion valve 042, the second check valve 052 for being parallel to 042 both sides of the second expansion valve,
Indoor heat exchanger 06, the solar air-conditioner system further include solar thermal collector 07, solar thermal collector 07 and regenerative apparatus 08
Be linked to be regenerative circuit, solar thermal collector 07 by the heat of collection by heat storage medium recycling storage in regenerative apparatus 08, store
Thermal 08 is connected by triple valve 09 with indoor heat exchanger 06, and the heat storage medium in regenerative apparatus 08 can pass through triple valve 09
Enter in indoor heat exchanger 06 and heat exchange occurs with the refrigerant in indoor heat exchanger 06.
When summer air-conditioning is in refrigeration mode, refrigerant is discharged by the exhaust outlet P of compressor 01, through the first four-way reversing valve
021st, the second four-way reversing valve 022, enters in outdoor heat exchanger 03 and condenses heat release, then by the first check valve 051, second
Expansion valve 042, enters evaporation endothermic in indoor heat exchanger 06, then through the second four-way reversing valve 022, enters compressor 01
Air entry O, so as to complete refrigerant circulation；When air-conditioning is in heating mode in the winter time, refrigerant is arranged by the exhaust outlet P of compressor 01
Go out, through the first four-way reversing valve 021, the second four-way reversing valve 022, enter in indoor heat exchanger 06 and condense heat release, Ran Houjing
The second check valve 052, the first expansion valve 041 are crossed, enters evaporation endothermic in outdoor heat exchanger 03, is then commutated through the second four-way
Valve 022, enters the air entry O of compressor 01, so as to complete refrigerant circulation.
When existing this solar air-conditioner system runs heating state in the winter time, outdoor heat exchanger 03 inevitably understands frosting,
With working on for air-conditioning, frost layer can be increasingly thicker, in this way, after work a period of time, compressor 01 is stopped, air-conditioning system
System switches to refrigerating state, i.e. 06 evaporation endothermic of indoor heat exchanger (the main heat for absorbing regenerative apparatus 08 and storing), then presses
Contracting machine 01 is again started up, and outdoor heat exchanger 03 condenses heat release and melts frost layer, and after defrosting, compressor 01 stops work again
Make, after air-conditioning system switches back into refrigerating state again, compressor 01 starts, and indoor heat exchanger 06 condenses heat release, into normal
Heating state.However, existing this solar air-conditioner system defrosts under heating state needs frequent switch operating state,
So make compressor 01 in the working time in the case of heating state and 03 frosting of outdoor heat exchanger (under having a white operating mode
Working time) it is shorter, it is necessary to which continually to complete the switching of air-conditioning system working status, (mainly four-way reversing valve is changing for start and stop
Forward compression machine 01 will be shut down, to ensure the normal commutation of four-way reversing valve), and compressor 01 continually start and stop to compressor 01
Rotor have certain impact, so that the service life of 01 rotor of compressor can be shortened, thereby reduce the work of compressor 01
Reliability.
The content of the invention
The embodiment of the present invention provides a kind of solar air-conditioner system and the control method and control device of the system, is used for
Solve working time of the compressor in the case where there is white operating mode in existing solar air-conditioner system it is shorter, it is necessary to continually start and stop ask
Topic.
To reach above-mentioned purpose, on the one hand, the embodiment provides a kind of solar air-conditioner system, including refrigerant
Circulation loop, the refrigerant circulation circuit include sequentially connected compressor, four-way reversing valve, indoor heat exchanger, first throttle
Device and outdoor heat exchanger, the solar air-conditioner system further include the solar thermal collector and regenerative apparatus being connected, also
Including：Refrigerant circulation branch, the first end of the refrigerant circulation branch are connected to the first throttling device and outdoor heat exchanger
Between, second end is connected with the air entry of the compressor, and the refrigerant circulation branch is equipped with the first solenoid valve, positioned at institute
State the circulation branch of the refrigerant between compressor and first solenoid valve with the regenerative apparatus to be connected, the refrigerant stream
Refrigerant in logical branch can absorb the heat of the regenerative apparatus storage.
Compared to existing solar air-conditioner system, solar air-conditioner system provided in an embodiment of the present invention, due to refrigerant stream
The first end of logical branch is connected between first throttling device and outdoor heat exchanger, and second end is connected with the air entry of compressor
Connect, refrigerant circulation branch is equipped with the first solenoid valve, and the refrigerant circulation branch between compressor and the first solenoid valve
It is connected with regenerative apparatus, the refrigerant in refrigerant circulation branch can absorb the heat of regenerative apparatus storage, so works as air-conditioning system
During in heating state, if the first solenoid valve opened, part refrigerant can be made to be flowed into by the first end of refrigerant circulation branch,
And flowed out to by second end in compressor, such refrigerant circulation branch can share the refrigerant being flowed into outdoor heat exchanger
Amount, makes a part of refrigerant flow through refrigerant circulation branch, and absorbs heat from the regenerative apparatus being connected with refrigerant circulation branch, then
The coolant quantity being flowed into outdoor heat exchanger will be reduced, and reduced and be flowed into the heat that the refrigerant evaporation of outdoor heat exchanger is absorbed
Amount, so as to make the temperature of outdoor heat exchanger be unlikely to too low, makes the more difficult frosting of outdoor heat exchanger, that is, outdoor heat exchange
With regard to slow, air-conditioning system just is used to defrost frosting velocity without frequent switch operating state, so greatly reduces on device
The number of defrosting.And the reduction for the number that defrosts, such compressor just do not have to continually start and stop, being conducive to extension compressor is having frost
Run time under operating mode, so as to reduce the impact to compressor rotor, is conducive to extend the service life of compressor rotor,
Improve the reliability of compressor.In addition, the refrigerant in refrigerant circulation branch absorbs storage before compressor air suction mouth is entered
The heat stored in thermal, is so conducive to improve the suction superheat of air-conditioning system, so as to lift air-conditioning system entirety
Exchange capability of heat and efficiency it is horizontal.
On the other hand, the embodiment of the present invention additionally provides a kind of control of the solar air-conditioner system described in above-described embodiment
Method processed, including：In the case that refrigerant circulates along heating loop direction in refrigerant circulation circuit, the first solenoid valve is opened,
So that part refrigerant is flowed into by the first end of refrigerant circulation branch and flowed out to by second end in compressor.
The control method of solar air-conditioner system provided in an embodiment of the present invention, due in refrigerant edge heating loop direction stream
When logical, the first solenoid valve is opened, part refrigerant can be made to be flowed into by the first end of refrigerant circulation branch and flowed out by second end
Into compressor, such refrigerant circulation branch can share the coolant quantity being flowed into outdoor heat exchanger, make a part of refrigerant
Refrigerant circulation branch is flowed through, and is absorbed heat from the regenerative apparatus being connected with refrigerant circulation branch, then is flowed into outdoor heat exchange
Coolant quantity in device will be reduced, and the heat that refrigerant evaporates absorption in outdoor heat exchanger will be reduced, and be changed so as to reduce outdoor
The speed of frosting on hot device, air-conditioning system just are used to defrost without frequent switch operating state, so greatly reduce defrosting
Number.And the reduction for the number that defrosts, such compressor just do not have to continually start and stop, being conducive to extension compressor is having white operating mode
Under run time, so as to reduce the impact to compressor rotor, be conducive to extend compressor rotor service life, improve
The reliability of compressor.In addition, the refrigerant in refrigerant circulation branch absorbs accumulation of heat dress before compressor air suction mouth is entered
The heat of middle storage is put, is so conducive to improve the suction superheat of air-conditioning system, air-conditioning system is overall to change so as to be lifted
Thermal energy power and efficiency are horizontal.
The third aspect, the embodiment of the present invention additionally provide a kind of control of the solar air-conditioner system described in above-described embodiment
Device processed, including：Processor and memory；The memory is used to store computer executed instructions, the processor with it is described
Memory connects, and the processor is used for the computer executed instructions for performing the memory storage, and the computer is held
Row instruction is used to perform the control method as described in above-mentioned embodiment of the method.
The control device of solar air-conditioner system described in above-described embodiment provided in an embodiment of the present invention, due to processing
Device is used for the computer executed instructions for performing memory storage, and computer executed instructions are used to perform such as the implementation of above-mentioned either method
Control method in example, therefore, which solves the technical problem identical with above-mentioned control method, has reached identical
Technique effect.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of existing schematic diagram of solar air-conditioner system；
Fig. 2 is the solar air-conditioner system in present invention implementation in heating state, the schematic diagram of regenerative apparatus joint accumulation of heat；
Fig. 3 be the present invention implement in solar air-conditioner system when without using regenerative apparatus, the state of cooling and warming is shown
It is intended to；
Fig. 4 is the solar air-conditioner system in present invention implementation in heating state, the signal of regenerative apparatus compressor accumulation of heat
Figure；
Fig. 5 is the solar air-conditioner system in present invention implementation in defrosting state, the schematic diagram of regenerative apparatus joint accumulation of heat；
Fig. 6 is the solar air-conditioner system in present invention implementation in defrosting state, the signal of regenerative apparatus compressor accumulation of heat
Figure；
Fig. 7 is the top view of the regenerative apparatus during the present invention is implemented；
Fig. 8 is the section view of A-A in Fig. 7；
Fig. 9 is the left view of the regenerative apparatus during the present invention is implemented；
Figure 10 is the structure diagram of the exhaust air flue of indoor heat exchanger during the present invention is implemented；
Figure 11 is the schematic diagram of the control device of solar air-conditioner system during the present invention is implemented.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
In the description of the present invention, it is to be understood that term " " center ", " on ", " under ", "front", "rear", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are based on shown in the drawings
Orientation or position relationship, are for only for ease of the description present invention and simplify description, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；It is right
For those of ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Term " first ", " second " be only used for description purpose, and it is not intended that instruction or imply relative importance or
The implicit quantity for indicating indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be expressed or imply
Ground includes one or more this feature.In the description of the present invention, unless otherwise indicated, " multiple " be meant that two or
Two or more.
Referring to Fig. 2, an embodiment of the present invention provides a kind of solar air-conditioner system, including refrigerant circulation circuit 1, refrigerant follows
Loop back path 1 includes sequentially connected compressor 11, four-way reversing valve 12, indoor heat exchanger 13, first throttling device 14 and room
External heat exchanger 15, solar air-conditioner system further include the solar thermal collector 2 and regenerative apparatus 3 being connected, further include：Refrigerant stream
Logical branch 4, the first end of refrigerant circulation branch 4 are connected between first throttling device 14 and outdoor heat exchanger 15, second end with
The air entry b of compressor 11 is connected, and refrigerant circulation branch 4 is equipped with the first solenoid valve 41, positioned at the electricity of compressor 11 and first
Refrigerant circulation branch 4 between magnet valve 41 is connected with regenerative apparatus 3, and the refrigerant in refrigerant circulation branch 4 can absorb accumulation of heat dress
Put the heat of 3 storages.
When solar air-conditioner system is in refrigerating state, as shown in figure 3, the first solenoid valve 41 is closed, four-way reversing valve
12 power-off (being communicated at this time with C mouthfuls for D mouthfuls, S mouthfuls communicate with E mouthfuls), compressor 11 is opened, and the refrigerant steam of high temperature and pressure is by compressor
11 exhaust outlet a are discharged, and are entered C mouthfuls by D mouthfuls by four-way reversing valve 12, are entered back into outdoor heat exchanger 15 (equivalent to condenser)
Heat exchange is carried out, becomes the refrigerant liquid of high temperature and pressure after releasing heat, becomes low temperature after the decompression of first throttling device 14
The gas-fluid two-phase mixture of low pressure, enters back into indoor heat exchanger 13 (equivalent to evaporator) evaporation endothermic and becomes the cold of low-temp low-pressure
Matchmaker's steam, enters the S mouthfuls of air entry b for flowing back to compressor 11, so as to complete kind of refrigeration cycle by the E mouths of four-way reversing valve 12；When too
When positive energy air-conditioning system is in heating state, as shown in figure 3, the first solenoid valve 41 is closed, four-way reversing valve 12 obtains electric (D at this time
Mouth is communicated with E mouthfuls, and S mouthfuls communicate with C mouthfuls), compressor 11 is opened, and the refrigerant steam of high temperature and pressure is arranged by 11 exhaust outlet a of compressor
Go out, enter E mouthfuls by D mouthfuls by four-way reversing valve 12, enter back into and heat exchange is carried out in indoor heat exchanger 13 (equivalent to condenser),
Become the refrigerant liquid of high temperature and pressure after releasing heat, become the gas-liquid two of low-temp low-pressure after the decompression of first throttling device 14
Phase mixture, enters back into the refrigerant steam that outdoor heat exchanger 15 (equivalent to evaporator) evaporation endothermic becomes low-temp low-pressure, by four
The C mouths of logical reversal valve 12 enter the S mouthfuls of air entry b for flowing back to compressor 11, so as to complete heating circulation.
Compared to existing solar air-conditioner system, solar air-conditioner system provided in an embodiment of the present invention, as shown in Fig. 2,
Since the first end of refrigerant circulation branch 4 is connected between first throttling device 14 and outdoor heat exchanger 15, second end and compression
The air entry b of machine 11 is connected, and refrigerant circulation branch 4 is equipped with the first solenoid valve 41, and positioned at the electricity of compressor 11 and first
Refrigerant circulation branch 4 between magnet valve 41 is connected with regenerative apparatus 3, and the refrigerant in refrigerant circulation branch 4 can absorb accumulation of heat dress
The heat of 3 storages is put, so when air-conditioning system is in heating state, if the first solenoid valve 41 opened, part can be made
Refrigerant is flowed into by the first end of refrigerant circulation branch 4 and flowed out to by second end in compressor 11, such refrigerant circulation branch 4
The coolant quantity being flowed into outdoor heat exchanger 15 can be shared, make a part of refrigerant flow through refrigerant circulation branch 4, and from it is cold
Absorb heat (regenerative apparatus 3 is at this time equivalent to auxiliary evaporator) in the regenerative apparatus 3 that matchmaker's circulation branch 4 is connected, then be flowed into
Coolant quantity in outdoor heat exchanger 15 will be reduced, and reduced and be flowed into the heat that the refrigerant evaporation of outdoor heat exchanger 15 is absorbed
Amount, so as to make the temperature of outdoor heat exchanger 15 be unlikely to too low, makes 15 more difficult frosting of outdoor heat exchanger, that is, outdoor
Frosting velocity is with regard to slow on heat exchanger 15, and air-conditioning system just is used to defrost without frequent switch operating state, so significantly
Reduce the number of defrosting.And the reduction for the number that defrosts, such compressor 11 just do not have to continually start and stop, be conducive to extend compression
Run time of the machine 11 in the case where there is white operating mode, so as to reduce the impact to 11 rotor of compressor, is conducive to extend compressor
In the service life of 11 rotors, improve the reliability of compressor 11.In addition, the refrigerant in refrigerant circulation branch 4 is entering compressor
The heat stored in regenerative apparatus 3 is absorbed before 11 air entry b, is so conducive to improve the suction superheat of air-conditioning system,
It is horizontal so as to lift the exchange capability of heat of air-conditioning system entirety and efficiency.
When solar air-conditioner system is in heating state, with the increase of air-conditioning system working time, outdoor heat exchanger
15 frost layers tied will gradually thicken, when frost layer knot it is thicker when, at this moment air-conditioning system just need to outdoor heat exchanger 15 into
Row defrosting, wherein, the mode of defrosting is not unique, such as, air-conditioning system can be that is, empty by the way of traditional inverse defrosting
Adjusting system switches to refrigerating state, and 13 evaporation endothermic of indoor heat exchanger, outdoor heat exchanger 15 condenses heat release, so that frost layer be melted
Change.
In addition, air-conditioning system can also make regenerative apparatus 3 be used as evaporator and room by adding solenoid valve and throttling arrangement
External heat exchanger 15 forms the mode of new kind of refrigeration cycle to defrost, specifically, as shown in figure 5, refrigerant circulation circuit 1 is also wrapped
Second solenoid valve 16 is included, second solenoid valve 16 is connected between first end and the indoor heat exchanger 13 of refrigerant circulation branch 4, and
Second solenoid valve 16 is in series with first throttling device 14；Second throttling device 42, the second section are additionally provided with refrigerant circulation branch 4
Stream device 42 is connected between first end and the regenerative apparatus 3 of refrigerant circulation branch 4, and the electricity of second throttling device 42 and second
Magnet valve 16 is in series, and second throttling device 42 is adjustable to flow through its cold medium flux.When the frost layer of outdoor heat exchanger 15 is thicker,
At this time, compressor 11 stops, and four-way reversing valve 12 powers off, and the first solenoid valve 41 is opened, and second solenoid valve 16 is closed, the second throttling
Device 42 is in throttle, and such refrigerant throttles comprising compressor 11, four-way reversing valve 12, outdoor heat exchanger 15, second
Circulated that (power of refrigerant circulation can be accumulation of heat in the circuit that device 42, the first solenoid valve 41, regenerative apparatus 3 are formed
Heat in device 3, pump can also be added in the circuit, is not specifically limited herein), regenerative apparatus 3 is at this time equivalent to steaming
The effect of device is sent out, refrigerant absorbs heat from regenerative apparatus 3, and during refrigerant circulation to outdoor heat exchanger 15, it absorbs regenerative apparatus 3
Heat by outside outdoor heat exchanger 15 frost layer melt, so as to achieve the purpose that defrosting.Compared to by the way of inverse defrosting, scheme
It is using regenerative apparatus 3 as evaporator in Defrost mode shown in 5, what refrigerant absorbed is the heat in regenerative apparatus 3, this
Sample can be maintained for a long time indoor temperature constant, avoid and change interior in inverse defrosting mode in defrosting
Hot device 13 causes the phenomenon of indoor temperature reduction as heat in evaporator absorption chamber, so as to improve indoor comfort.
First throttling device 14 can be throttle valve, capillary or electric expansion valve etc., be not specifically limited herein；Second
Throttling arrangement 42 can be throttle valve, electric expansion valve etc., also be not specifically limited herein, the throttling shape of second throttling device 42
State refers to be in state between zero and maximum stream flow by its flow, for example, electric expansion valve be in it is fully open with it is whole
State between closing is throttle；In the refrigerant circulation circuit 1 between outdoor heat exchanger 15 and four-way reversing valve 12
On be also provided with the 4th solenoid valve 17, naturally it is also possible to do not set, specifically by actual conditions depending on.
Solar air-conditioner system provided in an embodiment of the present invention, regenerative apparatus 3 are connected with solar thermal collector 2, this
When daytime, solar irradiation was more sufficient, the solar energy of collection is changed into heat and is stored in accumulation of heat and filled sample by solar thermal collector 2
In putting 3, if however, to night or the cloudy day of running into, when solar irradiation is insufficient, regenerative apparatus 3 can not just continue storage too
The heat that sun can convert, if air-conditioning system needs the heat that regenerative apparatus 3 stores, such as defrosting or cold in this case
The heat absorption of refrigerant in matchmaker's circulation branch 4, it is possible to the phenomenon that regenerative apparatus 3 stores shortage of heat occur, in order to solve this
Problem, regenerative apparatus 3 are in contact with compressor 11, and regenerative apparatus 3 can store the heat that compressor 11 produces during the work time.
Set in this way, the heat storage that regenerative apparatus 3 will can produce in 11 course of work of compressor, so in illumination
When insufficient, regenerative apparatus 3 remains able to, by 11 heat accumulation of compressor, add the origin of heat of regenerative apparatus 3, make regenerative apparatus
The enough heats of 3 storages are used for the heat absorption of refrigerant in defrosting or refrigerant circulation branch 4.
Wherein, the structure of regenerative apparatus 3 is not unique, such as, regenerative apparatus 3 can be following structure：Such as Fig. 7, Fig. 8 and
Shown in Fig. 9, regenerative apparatus 3 includes the first hollow 31 and the second hollow 32, and the first hollow 31 is located at the second hollow 32
In, and there is fluid flow space 33 between the first hollow 31 and the second hollow 32, offered in the first hollow 31
Two the first openings 311 being connected with its inner space, offer in the second hollow 32 two it is empty with fluid flow
Between 33 be connected second opening 321, as shown in Fig. 2, two first opening 311 with refrigerant circulation branch 4 be connected, two
Second opening 321 and two working medium ports (the port m and port n) one-to-one corresponding company shown in Fig. 2 of solar thermal collector 2
Connect, so as to form working medium circulation circuit between the second hollow 32 and solar thermal collector 2.First hollow 31 or the second is hollow
Part 32 can be shell structure, or tubular structure, is not specifically limited herein；The heat that solar thermal collector 2 is collected
It will be stored in the heat storage medium in working medium circulation circuit, it is hollow that heat storage medium will flow to second from solar thermal collector 2
In fluid flow space 33 in part 32, it is then refluxed in solar thermal collector 2, so as to complete heat storage medium in working medium circulation
Circulated in circuit.It is cold in such refrigerant circulation branch 4 since two first openings 311 are connected with refrigerant circulation branch 4
When by the first hollow 31 with the heat storage medium in fluid flow space 33 heat exchange will occur for matchmaker, refrigerant can be inhaled
The heat in heat storage medium is received, the heat that refrigerant absorbs can be used for defrosting etc..
Certainly, in the regenerative apparatus 3 shown in Fig. 7, Fig. 8 and Fig. 9, two second openings 321 can also be with refrigerant stream
Logical branch 4 is connected, and two first openings 311 can also connect one to one with two working medium ports of solar thermal collector 2,
So refrigerant is to flow through regenerative apparatus 3 from fluid flow space 33, and heat storage medium is that accumulation of heat dress is flowed through from the first hollow 31
3 are put, refrigerant is same with heat storage medium can to occur heat exchange in heat storage medium, so that refrigerant is completed in regenerative apparatus 3
Heat absorption.
In addition, regenerative apparatus 3 can also be with lower structure：Regenerative apparatus 3 includes a hollow (such as housing), hollow
Two openings being connected with its inner space, two openings and two working medium ports one of solar thermal collector 2 are opened up on part
One corresponds to connection, and hollow and refrigerant circulation branch 4 are in contact, and (such as hollow connects with the pipeline in refrigerant circulation branch 4
Touch), the refrigerant in refrigerant circulation branch 4 passes through hollow and heat exchange occurs with its internal heat storage medium.Compared to regenerative apparatus 3
Including a hollow, and the scheme that hollow is in contact with refrigerant circulation branch 4, the accumulation of heat shown in Fig. 7, Fig. 8 and Fig. 9 fill
Put 3, the heat exchange area bigger of refrigerant and heat storage medium, heat exchange is more abundant, heat exchange efficiency higher so that improve it is whole too
The efficiency of positive energy air-conditioning system.
In the embodiment that regenerative apparatus 3 includes the first hollow 31 and the second hollow 32, the type of regenerative apparatus 3
It is not unique, such as, as shown in Figure 7, Figure 8 and Figure 9, regenerative apparatus 3 can be double pipe heat exchanger, and the first hollow 31 is casing
The inner tube of formula heat exchanger, the second hollow 32 are the outer tube of double pipe heat exchanger.In addition, regenerative apparatus 3 can also be shell-and-tube
Heat exchanger, the first hollow 31 are the inner tube of shell-and-tube heat exchanger, and the second hollow 32 is the housing of shell-and-tube heat exchanger.Compare
Shell-and-tube heat exchanger, as shown in fig. 7, the outer tube of double pipe heat exchanger can be coiled in the week of 11 (not shown) of compressor
Enclose, and outer tube is in contact with the housing of compressor 11, can so increase the contact area of regenerative apparatus 3 and compressor 11,
Improving the heat that the heat transfer efficiency compressor 11 between regenerative apparatus 3 and compressor 11 stores at work can more deposit
Storage is in regenerative apparatus 3.
In order to improve compressor 11 work caused by heat and refrigerant heat exchanger effectiveness, as shown in figure 4, working medium circulation
Circuit is equipped with the 3rd solenoid valve 5.At night or cloudy day, when solar irradiation is insufficient, the 3rd solenoid valve 5 is closed, is so stored
Circulate and stop between thermal 3 and solar thermal collector 2, absorbing the heat storage medium of the generation heat of compressor 11 can concentrate on
In regenerative apparatus 3, so as to improve the heat exchanger effectiveness of refrigerant and heat storage medium, heat storage medium is avoided to absorb heat Posterior circle
Heat waste into solar thermal collector 2 caused by heat release.
It should be noted that：The power that heat storage medium circulates on working medium circulation circuit can be that solar thermal collector 2 is received
The heat of collection or the medium pump added on the circuit, are not specifically limited herein.
When solar air-conditioner system is in heating state, the accumulation of heat of regenerative apparatus 3 is divided into two kinds of situations, the first is too
The joint accumulation of heat pattern of solar thermal collector 2+ compressors 11 when sunlight is more sufficient, under the accumulation of heat pattern, as shown in Fig. 2,
Compressor 11 starts, and four-way reversing valve 12 obtains electric, the first solenoid valve 41, second solenoid valve 16, the 3rd solenoid valve 5, the 4th electromagnetism
Valve 17 is opened, and second throttling device 42 is in fully open state, and at this time, what regenerative apparatus 3 stored is solar energy heating
Heat and compressor 11 collected by device 2 work caused heat；Second of compression when being the inadequate sun or night
11 accumulation of heat pattern of machine, under the accumulation of heat pattern, as shown in figure 4, compressor 11 starts, four-way reversing valve 12 obtains electric, the first electromagnetism
Valve 41, second solenoid valve 16, the 4th solenoid valve 17 are opened, and the 3rd solenoid valve 5 is closed, and second throttling device 42, which is in, all beats
The state opened, at this time, what regenerative apparatus 3 stored is that compressor 11 works caused heat.
When solar air-conditioner system is in defrosting state, the accumulation of heat of regenerative apparatus 3 is divided into two kinds of situations, the first is too
The joint accumulation of heat pattern of solar thermal collector 2+ compressors 11 when sunlight is more sufficient, under the accumulation of heat pattern, as shown in figure 5,
Compressor 11 stops, and four-way reversing valve 12 powers off, and the first solenoid valve 41, the 3rd solenoid valve 5, the 4th solenoid valve 17 are opened, the
Two solenoid valves 16 are closed, and second throttling device 42 is in throttle, and at this time, what regenerative apparatus 3 stored is solar thermal collector 2
The heat that collected heat and compressor 11 produces before being stopped；Second when being the inadequate sun or night
11 accumulation of heat pattern of compressor, under the accumulation of heat pattern, as shown in fig. 6, compressor 11 stops, four-way reversing valve 12 powers off, and first
Solenoid valve 41, the 4th solenoid valve 17 are opened, and second solenoid valve 16, the 3rd solenoid valve 5 are closed, and second throttling device 42 is in section
Stream mode, at this time, what regenerative apparatus 3 stored is the heat that compressor 11 produces before being stopped.When solar airconditioning system
After system defrosting, compressor 11 starts, and four-way reversing valve 12 must be electric, and solar air-conditioner system continues to heat.
In solar air-conditioner system provided in an embodiment of the present invention, outdoor heat exchanger 15, indoor heat exchanger 13 type simultaneously
It is not unique, for example outdoor heat exchanger 15, indoor heat exchanger 13 can be water cooling type heat exchanger, in addition, outdoor heat exchanger 15, room
Interior heat exchanger 13 can also be air-cooled type heat exchanger.Compared to water cooling type heat exchanger, the cost of air-cooled type heat exchanger is relatively low, refrigeration
Heating effect is more preferable.
When air-conditioning system is in heating state, and the frost tied on outdoor heat exchanger 15 is thicker, air-conditioning system is at this time
Switch operating state is understood to defrost, and than closing second solenoid valve 16 as shown in Figure 5, opens the first solenoid valve 41, accumulation of heat is filled
Put 3 Defrost modes as evaporator, then after switch operating state, indoor heat exchanger 13 is just not in condensation heat release
State, interior will stop heat supply, in order to avoid indoor temperature decline it is excessive, as shown in Figure 10, the institute of indoor heat exchanger 13
Exhaust air flue 7 in be additionally provided with heating unit 6, heating unit 6 can heat outlet air (in figure shown in arrow).So work as air-conditioning
When system is defrosted, the wind turbine low speed operation of indoor heat exchanger 13, blows out gentle breeze, the so heating in exhaust air flue 7
Device 6 can heat outlet air, so as to form hot wind, blow a small amount of hot wind to interior by air outlet 8, so it is avoided that indoor
Wen Duxiajiang it is excessive, so as to ensure indoor comfort.
In solar air-conditioner system provided in an embodiment of the present invention, compressor 11 can be constant speed compressor 11, can also
It is frequency-changeable compressor 11, is not specifically limited herein；Refrigerant can be freon, such as R22, R410A etc.；Heat storage medium can be with
For glycol water and the mixture of mineral oil, or water, is also not specifically limited herein；Solar energy heat collector can
To be flat type solar heat collector 2, or coiled solar thermal collector 2, is also not specifically limited herein.
On the other hand, the embodiment of the present invention additionally provides a kind of control of the solar air-conditioner system in any of the above-described embodiment
Method processed, including：In the case that refrigerant circulates along heating loop direction in refrigerant circulation circuit 1, the first solenoid valve 41 is opened
Open, so that part refrigerant is flowed into by the first end of refrigerant circulation branch 4 and flowed out to by second end in compressor 11.
Wherein, refrigerant refers to along heating loop direction circulation：As shown in Fig. 2, in refrigerant circulation circuit 1, refrigerant is from pressure
After 11 exhaust outlet a of contracting machine discharges, through four-way reversing valve 12, indoor heat exchanger 13, first throttling device 14, outdoor heat exchanger 15,
After four-way reversing valve 12, it is back to from the air entry b of compressor 11 in compressor 11.
The control method of solar air-conditioner system provided in an embodiment of the present invention, as shown in Fig. 2, due to being heated on refrigerant edge
When loop direction circulates, the first solenoid valve 41 is opened, part refrigerant can be made to be flowed into by the first end of refrigerant circulation branch 4,
And flowed out to by second end in compressor 11, such refrigerant circulation branch 4, which can be shared, to be flowed into outdoor heat exchanger 15
Coolant quantity, makes a part of refrigerant flow through refrigerant circulation branch 4, and is inhaled from the regenerative apparatus 3 being connected with refrigerant circulation branch 4
Heat, then the coolant quantity being flowed into outdoor heat exchanger 15 will be reduced, and refrigerant evaporates the heat of absorption in outdoor heat exchanger 15
Amount will be reduced, so as to reduce the speed of frosting on outdoor heat exchanger 15, air-conditioning system is just come without frequent switch operating state
For defrosting, the number of defrosting is so greatly reduced.And the reduction for the number that defrosts, such compressor 11 just do not have to continually open
Stop, be conducive to extend run time of the compressor 11 in the case where there is white operating mode, so as to reduce the impact to 11 rotor of compressor,
Be conducive to extend the service life of 11 rotor of compressor, improve the reliability of compressor 11.It is in addition, cold in refrigerant circulation branch 4
Matchmaker absorbs the heat stored in regenerative apparatus 3 before 11 air entry b of compressor is entered, and is so conducive to improve air-conditioning system
The suction superheat of system, it is horizontal so as to lift the exchange capability of heat of air-conditioning system entirety and efficiency.
The control method of above-mentioned solar air-conditioner system further includes following at least one control model：
Refrigeration control pattern：As shown in figure 3, the situation that refrigerant circulates along kind of refrigeration cycle direction in refrigerant circulation circuit 1
Under, the first solenoid valve 41 is closed, so that refrigerant circulates in refrigerant circulation circuit 1；Wherein, refrigerant is flowed along kind of refrigeration cycle direction
It is logical to refer to：In refrigerant circulation circuit 1, refrigerant is after 11 exhaust outlet a of compressor discharges, through four-way reversing valve 12, outdoor heat exchange
Device 15, first throttling device 14, indoor heat exchanger 13, after four-way reversing valve 12, compression is back to from the air entry b of compressor 11
In machine 11.
Heat control model：As shown in figure 3, situation of the refrigerant along heating loop direction circulation in refrigerant circulation circuit 1
Under, the first solenoid valve 41 is closed, so that refrigerant circulates in refrigerant circulation circuit 1；
Defrost control model：As shown in figure 5, include second solenoid valve 16, and refrigerant circulation branch in refrigerant circulation circuit 1
, will in the case that road 4 is equipped with second throttling device 42, and refrigerant circulates along kind of refrigeration cycle direction in refrigerant circulation circuit 1
First solenoid valve 41 is opened, and second solenoid valve 16 is closed, while second throttling device 42 is adjusted to throttle, so that cold
Matchmaker is circulated in the circuit comprising compressor 11, four-way reversing valve 12, outdoor heat exchanger 15 and refrigerant circulation branch 4.At this
Under pattern, regenerative apparatus 3 can be used as evaporator, and refrigerant absorbs heat in regenerative apparatus 3, then loops to outdoor heat exchanger 15
Middle condensation heat release, frost layer is melted.
It is too fast in order not to decline indoor temperature under the control model that defrosts, opened by the first solenoid valve 41, by the
Two solenoid valves 16 are closed, and while second throttling device 42 is adjusted to throttle, are opened heating unit 6, are changed in opening chamber
The wind turbine of hot device 13, and low-speed run state is adjusted to, to blow pico- hot wind to interior.
Under above-mentioned several control models, solar air-conditioner system realizes the functions such as refrigeration, heating and defrosting, Yong Huke
According to actual needs, to select different control models to be controlled solar air-conditioner system.
The third aspect, the embodiment of the present invention additionally provide a kind of control of the solar air-conditioner system in any of the above-described embodiment
Device processed, as shown in figure 11, including：Processor (such as intelligent chip) and memory；Memory is used to store computer execution
Instruction, processor are connected with memory, and processor is used for the computer executed instructions for performing memory storage, and computer, which performs, to be referred to
Order is used to perform the control method as in above-mentioned either method embodiment.
The control device of solar air-conditioner system provided in an embodiment of the present invention, since processor is used to perform memory and deposit
The computer executed instructions of storage, computer executed instructions are used to perform the control method as in above-mentioned either method embodiment, because
This, which solves the technical problem identical with above-mentioned control method, has reached identical technique effect.
More than, it is only embodiment of the invention, but protection scope of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be covered
Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to scope of the claims.
Claims (11)
1. a kind of solar air-conditioner system, including refrigerant circulation circuit, the refrigerant circulation circuit includes sequentially connected compression
Machine, four-way reversing valve, indoor heat exchanger, first throttling device and outdoor heat exchanger, the solar air-conditioner system further include
The solar thermal collector and regenerative apparatus being connected, it is characterised in that further include：Refrigerant circulation branch, the refrigerant circulation branch
The first end on road is connected between the first throttling device and outdoor heat exchanger, second end and the air entry phase of the compressor
Connection, the refrigerant circulation branch are equipped with the first solenoid valve, the institute between the compressor and first solenoid valve
State refrigerant circulation branch with the regenerative apparatus to be connected, the refrigerant in the refrigerant circulation branch can absorb the regenerative apparatus
The heat of storage.
2. solar air-conditioner system according to claim 1, it is characterised in that the refrigerant circulation circuit further includes second
Solenoid valve, the second solenoid valve are connected between first end and the indoor heat exchanger of the refrigerant circulation branch, and
The second solenoid valve is in series with the first throttling device；
Second throttling device is additionally provided with the refrigerant circulation branch, the second throttling device is connected to the refrigerant circulation branch
Between the first end on road and the regenerative apparatus, and the second throttling device is in series with the second solenoid valve, described
Second throttling device, which adjusts, flows through its cold medium flux.
3. solar air-conditioner system according to claim 1, it is characterised in that the regenerative apparatus and the compressor phase
Contact, the regenerative apparatus can store the heat that the compressor produces during the work time.
4. according to solar air-conditioner system according to any one of claims 1 to 3, it is characterised in that the regenerative apparatus bag
The first hollow and the second hollow are included, first hollow is located in second hollow, and described first hollow
There is fluid flow space between part and second hollow, offered in first hollow two it is internal empty with it
Between the first opening for being connected, offer in second hollow two be connected with the fluid flow space second
Opening, two first openings are connected with refrigerant circulation branch, two second openings and the solar energy
Two working medium ports of heat collector connect one to one, so as to be formed between second hollow and the solar thermal collector
Working medium circulation circuit.
5. solar air-conditioner system according to claim 4, it is characterised in that the working medium circulation circuit is equipped with the 3rd
Solenoid valve.
6. solar air-conditioner system according to claim 4, it is characterised in that the regenerative apparatus is casing type heat exchanging
Device, first hollow are the inner tube of described sleeve pipe formula heat exchanger, and second hollow is described sleeve pipe formula heat exchanger
Outer tube, the outer tube are coiled in around the compressor, and the outer tube is in contact with the housing of the compressor.
7. according to solar air-conditioner system according to any one of claims 1 to 3, it is characterised in that the outdoor heat exchanger,
The indoor heat exchanger is air-cooled type heat exchanger.
8. solar air-conditioner system according to claim 7, it is characterised in that the outlet air wind where the indoor heat exchanger
Heating unit is additionally provided with road, the heating unit can heat outlet air.
A kind of 9. control method of claim 1~8 any one of them solar air-conditioner system, it is characterised in that including：
In the case that refrigerant circulates along heating loop direction in refrigerant circulation circuit, the first solenoid valve is opened, so that part
Refrigerant is flowed into by the first end of refrigerant circulation branch and flowed out to by second end in compressor.
10. control method according to claim 9, it is characterised in that further include following at least one control model：
In the case that refrigerant circulates along kind of refrigeration cycle direction in refrigerant circulation circuit, first solenoid valve is closed, so that
Refrigerant circulates in the refrigerant circulation circuit；
In the case that refrigerant circulates along heating loop direction in refrigerant circulation circuit, first solenoid valve is closed, so that
Refrigerant circulates in the refrigerant circulation circuit；
Include second solenoid valve in the refrigerant circulation circuit, and refrigerant circulation branch is equipped with second throttling device,
And in the case that refrigerant circulates along kind of refrigeration cycle direction in the refrigerant circulation circuit, first solenoid valve is opened, will
The second solenoid valve is closed, while the second throttling device is adjusted to throttle, so that refrigerant is including the pressure
Contracting machine, four-way reversing valve, outdoor heat exchanger and the refrigerant circulation branch circuit in circulate.
A kind of 11. control device of claim 1~8 any one of them solar air-conditioner system, it is characterised in that including：
Processor and memory；The memory is used to store computer executed instructions, and the processor is connected with the memory, institute
The computer executed instructions that processor is used to perform the memory storage are stated, the computer executed instructions are used to perform
Control method as described in claim 9 or 10.
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| CN201711058953.3A CN107940800A (en) | 2017-11-01 | 2017-11-01 | The control method and control device of a kind of solar air-conditioner system and the system |
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| CN201711058953.3A CN107940800A (en) | 2017-11-01 | 2017-11-01 | The control method and control device of a kind of solar air-conditioner system and the system |
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| CN109017201A (en) * | 2018-07-25 | 2018-12-18 | 珠海格力电器股份有限公司 | Air-conditioning and electric vehicle equipped with the air-conditioning |
| CN110030762A (en) * | 2019-04-09 | 2019-07-19 | 广东五星太阳能股份有限公司 | Solar energy-air source couples heat source Multifunctional heat pump system |
| CN110848849A (en) * | 2019-11-28 | 2020-02-28 | 广东美的暖通设备有限公司 | Air conditioner, control method of air conditioner, and storage medium |
| CN110848851A (en) * | 2019-11-28 | 2020-02-28 | 广东美的暖通设备有限公司 | Air conditioner, control method of air conditioner, and storage medium |
| CN110906499A (en) * | 2019-11-29 | 2020-03-24 | 青岛海尔空调电子有限公司 | Control method of air conditioner under refrigeration working condition and air conditioner |
| CN111023312A (en) * | 2019-12-11 | 2020-04-17 | 青岛海信日立空调系统有限公司 | Air conditioner indoor unit |
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Address after: 266100 Zhuzhou Road, Laoshan District, Qingdao, Shandong Province, No. 151 Applicant after: Hisense (Shandong) Air-conditioning Co., Ltd. Address before: 266736 Hisense Road 1, South Village Town, Pingdu City, Qingdao, Shandong Applicant before: Hisense (Shandong) Air-conditioning Co., Ltd. |
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Application publication date: 20180420 |