CN106016883A - Air conditioner device and control method thereof - Google Patents
Air conditioner device and control method thereof Download PDFInfo
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- CN106016883A CN106016883A CN201610322591.3A CN201610322591A CN106016883A CN 106016883 A CN106016883 A CN 106016883A CN 201610322591 A CN201610322591 A CN 201610322591A CN 106016883 A CN106016883 A CN 106016883A
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- cold
- working medium
- heat exchanger
- indoor
- air
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/005—Devices using other cold materials; Devices using cold-storage bodies combined with heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
- F22B33/18—Combinations of steam boilers with other apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
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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
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
-
- 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
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
-
- 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
- F25B41/00—Fluid-circulation arrangements
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
-
- 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
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an air conditioner device and a control method thereof. The air conditioner device comprises a cold storage box, a refrigeration system, an indoor cold supply system and an organic Rankin circulation system. The refrigeration system comprises a working medium compression pump, a first condenser and an evaporator. The evaporator is connected to the cold storage box. An indoor heat exchanger of the indoor cold supply system is connected with the cold storage box to form cold supply circulation. The organic Rankin circulation system comprises a steam generator, an expansion machine and a second condenser. A steam outlet of the steam generator is connected with the expansion machine. An output shaft of the expansion machine is connected with a rotating shaft of the working medium compression pump to drive the working medium compression pump to compress working media. According to the air conditioner device, the organic Rankin power generation technology is combined with the phase change cold storage technology, the working media can be heated through medium and low grade energy, the working media drive the expansion machine to do work, the refrigeration system is driven to perform refrigeration, finally, the cooling capacity is stored to be used for indoor cooling, electric energy consumption is reduced, low energy consumption and low emission are achieved, and the applicability is wide.
Description
Technical field
The present invention relates to heat energy utilization and apparatus of air conditioning field, especially relate to a kind of air-conditioning device and control method thereof.
Background technology
Along with the raising of people's living standard, also sharply increasing the demand of air-conditioner, electric driven compression is empty in the market
Adjusting system occupies the leading position of air-conditioning market, and consumes a large amount of high-grade electric energy.According to statistics, idle call electricity is
Account for the 60%-70% of building total power consumption, bring the biggest pressure to the energy and environment.Power tense problem also gives air-conditioning thing
The development of industry creates limitations affect, and therefore development energy-saving air conditioning has great importance.How to reduce high-grade energy
Utilization, seek to utilize the middle-low grade energy to realize refrigeration, be one of the focus of people's extensive concern.
Summary of the invention
In order to solve the problem of conventional air conditioner highly energy-consuming, the present invention proposes a kind of air-conditioning device, and this air-conditioning device can be made
Cold and electric eliminating amount is few.
A kind of control method with above-mentioned air-conditioning device of offer is provided.
Air-conditioning device according to embodiments of the present invention, including: cold-accumulating box, it is loaded with agent for storage of coldness in described cold-accumulating box；Refrigeration
System, described refrigeration system includes working medium compressor pump, the first condenser, restricting element and vaporizer, and described working medium is compressed
Pump has air vent and gas returning port, and one end of described first condenser is connected with described air vent, one end of described vaporizer
Being connected with described gas returning port, described restricting element is connected in series between described vaporizer and described first condenser, wherein,
Described vaporizer be connected to described cold-accumulating box with described agent for storage of coldness heat exchange；Indoor cold supply system, described indoor cold supply system
Including indoor heat exchanger, the entrance and exit of described indoor heat exchanger be connected with described cold-accumulating box respectively with described cold-accumulating box
Between formed for SAPMAC method；Organic rankine cycle system, described organic rankine cycle system includes steam generator, expansion
Machine and the second condenser, described steam generator has import and steam (vapor) outlet, described steam (vapor) outlet and described decompressor
Air inlet is connected, and the outlet of described decompressor is by the described import phase of described second condenser with described steam generator
Even, the output shaft of described decompressor is connected with the rotary shaft of described working medium compressor pump to drive described working medium compressor pump to compress the
One working medium.
Air-conditioning device according to embodiments of the present invention, combines organic Rankine generation technology and phase change cold-storage technology, available
Middle-low grade energy sources for heating working medium, working medium drives decompressor acting to drive refrigeration system refrigeration, the cold that finally will produce
Store for room temperature lowering, save electric energy energy consumption to greatest extent, it is achieved that the low energy consumption of device, low emission, and
The suitability is extensive.
In certain embodiments, air-conditioning device also includes the solar energy of the second working medium in heating described steam generator
Opto-thermal system.Thus, energy sources is widely distributed, and has great developing and utilizingpotentiality, utilizes solar energy heating
Two working medium, almost can realize the zero-emission of system.
Specifically, described solar energy hot systems includes: solar thermal collector；Heat exchanger tube, described heat exchanger tube is connected to institute
Stating steam generator, the two ends of described heat exchanger tube are connected with described solar thermal collector respectively；First actuator, described
One actuator is connected in series between described solar thermal collector and described heat exchanger tube with the 3rd work in the described heat exchanger tube of driving
Matter circulation.
Specifically, described organic rankine cycle system also includes that the second actuator, described second actuator are connected in series in institute
State between the second condenser and described steam generator.The setting of the second actuator so that the second condenser and steam generation
The position relationship constraint of device is few, and the setting of the second actuator can avoid liquid refrigerant to accumulate in the second condenser.
Alternatively, the shell of described steam generator is couveuse.Thus, it is to avoid the conduct heat away that steam generator absorbs
Go out.
In certain embodiments, described indoor cold supply system also includes inhaling cold heat exchanger, and described suction cold heat exchanger is located at described
In cold-accumulating box, the two ends of described suction cold heat exchanger stretch out described cold-accumulating box with the described entrance of described indoor heat exchanger and going out
Mouth is connected.
Specifically, described indoor cold supply system also includes the 4th working medium circulation flowing in driving described indoor heat exchanger
3rd actuator.
In certain embodiments, the condenser that described first condenser and described second condenser are integrated, described condenser
Working medium entrance be connected with the described air vent of described working medium compressor pump and the described outlet of described decompressor respectively, described
The sender property outlet of condenser is connected with described restricting element and described steam generator respectively.Thus, condenser is saved
Quantity, reduces cost.
Specifically, being loaded with multiple cold-storage ball in described cold-accumulating box, described agent for storage of coldness is filled in the plurality of cold-storage ball.
Utilizing the cold-storage ball cold-storage being filled with agent for storage of coldness, system heat exchange efficiency is high, cold runs off less and heat exchange is more stable.
Being applied to the control method of air-conditioning device described in the above embodiment of the present invention, described indoor cold supply system also includes the
Three actuators, the first temperature measurement one and the second temperature measurement one, described 3rd actuator changes in described indoor for driving the 4th working medium
Circulating between hot device and described cold-accumulating box, described first temperature measurement one is used for detecting indoor temperature, described second temperature measurement one
For detecting the temperature of described indoor heat exchanger, the control method of described air-conditioning device comprises the steps: by described
One temperature measurement one obtains indoor temperature T1；Temperature T2 of described indoor heat exchanger is obtained by described second temperature measurement one；Described
3rd actuator controls according to the difference (T1-T2) of described indoor temperature T1 Yu temperature T2 of described indoor heat exchanger
The circular flow of four working medium.
The control method of air-conditioning device according to embodiments of the present invention, by controlling the uninterrupted of the 4th working medium with to room
Temperature carries out Intelligent adjustment, reduces energy consumption, larger fluctuation occurs, it is ensured that room during can avoiding room temperature regulation
Between live comfortableness.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become from the following description
Substantially, or by the practice of the present invention recognize.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage will become bright from combining the accompanying drawings below description to embodiment
Aobvious and easy to understand, wherein:
Fig. 1 is the structural representation of air-conditioning device according to an embodiment of the invention；
Fig. 2 is the structural representation of air-conditioning device in accordance with another embodiment of the present invention；
Fig. 3 is the structural representation of the indoor cold supply system according to another embodiment of the present invention；
Fig. 4 is the control method schematic diagram of room temperature Intelligent adjustment according to an embodiment of the invention.
Reference:
Air-conditioning device the 100, first working medium G1, the second working medium G2, the 3rd working medium G3, the 4th working medium G4,
Connecting shaft 101, condenser 102, working medium entrance i, sender property outlet j,
Refrigeration system 1, working medium compressor pump 11, gas returning port e, air vent f, the first condenser 12, restricting element 13,
Vaporizer 14,
Organic rankine cycle system 2, steam generator 21, import a, steam (vapor) outlet b, decompressor 22, air inlet c,
Outlet d, second condenser the 23, second actuator 24,
Solar energy hot systems 3, solar thermal collector 31, heat exchanger tube the 32, first actuator 33,
Indoor cold supply system 4, indoor heat exchanger 41, entrance p, outlet q, inhale cold heat exchanger the 42, the 3rd actuator 43,
Blower fan 44,
Cold-accumulating box 5, cold-storage ball 51, agent for storage of coldness 52.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish phase
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " " center ", " highly ", " on ", D score, " vertically ",
Orientation or the position relationship of the instruction such as " level ", " top ", " end ", " interior ", " outward " are based on orientation shown in the drawings or position
Put relation, be for only for ease of the description present invention and simplify description rather than instruction or imply that the device of indication or element must
Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed
Or implicitly include one or more this feature.In describing the invention, except as otherwise noted, " multiple "
It is meant that two or more.
In describing the invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ",
" fix " and should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can
To be connection or the interaction relationship of two elements of two element internals.For those of ordinary skill in the art
Speech, can understand above-mentioned term concrete meaning in the present invention with concrete condition.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score
Can include that the first and second features directly contact, it is also possible to include that the first and second features are not directly contact but pass through
Other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above "
Including fisrt feature directly over second feature and oblique upper, or it is special higher than second to be merely representative of fisrt feature level height
Levy.Fisrt feature second feature " under ", " lower section " and " below " include fisrt feature second feature just under
Side and obliquely downward, or it is merely representative of fisrt feature level height less than second feature.
Below with reference to Fig. 1-Fig. 3, air-conditioning device 100 according to embodiments of the present invention is described.
Air-conditioning device 100 according to embodiments of the present invention, as it is shown in figure 1, include: cold-accumulating box 5, refrigeration system 1, room
Interior cold supply system 4 and organic rankine cycle system 2, be loaded with agent for storage of coldness 52 in cold-accumulating box 5.
With reference to Fig. 1, refrigeration system 1 includes working medium compressor pump the 11, first condenser 12, restricting element 13 and vaporizer
14, working medium compressor pump 11 has air vent f and gas returning port e, and one end of the first condenser 12 is connected with air vent f,
One end of vaporizer 14 is connected with gas returning port e, and restricting element 13 is connected in series in vaporizer 14 and the first condenser 12
Between, wherein, vaporizer 14 be connected to cold-accumulating box 5 with agent for storage of coldness 52 heat exchange.
Indoor cold supply system 4 includes indoor heat exchanger 41, the entrance p of indoor heat exchanger 41 and outlet q respectively with cold-storage
Case 5 is connected to be formed for SAPMAC method between cold-accumulating box 5.
Organic rankine cycle system 2 includes steam generator 21, decompressor 22 and the second condenser 23, steam generator
21 have import a and steam (vapor) outlet b, steam (vapor) outlet b is connected with the air inlet c of decompressor 22, the row of decompressor 22
Outlet d is connected with the import a of steam generator 21 by the second condenser 23, the output shaft of decompressor 22 and working medium
The rotary shaft of compressor pump 11 is connected to drive working medium compressor pump 11 to compress the first working medium G1.
It is to say, the work process of air-conditioning device 100 mainly include collect thermal process, organic Rankine bottoming cycle power generation process,
Refrigeration-process of cool and indoor cooling process.
Organic rankine cycle system 2 take part in collection thermal process and organic Rankine bottoming cycle power generation process.Detailed process such as Fig. 1 institute
Showing, being loaded with the second working medium G2 in steam generator 21, steam generator 21 can heat the second working medium G2, the second work
The heat absorption evaporation of matter G2 forms steam.Steam is discharged from steam (vapor) outlet b and flows into decompressor 22, decompressor from air inlet c
22 utilize expansion of compressed gas blood pressure lowering, and the pressure of gas can be converted into the mechanical power of outwards output, drive decompressor 22
Output shaft rotation.After steam acting, pressure declines and temperature also reduces, and the steam after acting flows into the second condenser 23
Middle exothermic condensation, in the second condenser 23, the second working medium G2 of liquid flow back into steam generator 21 from import a, and
Again absorbing heat evaporation, this process constantly repeats when steam generator 21 thermal-arrest, forms the power cycle of the second working medium G2.
Here, steam generator 21, decompressor 22 and the second condenser 23 can be respectively adopted the steaming disclosed in prior art
Vapour generator, decompressor, the structure of condenser, concrete structure and operation principle to them repeat no more here.
Refrigeration system 1 and cold-accumulating box 5 take part in refrigeration-process of cool.Detailed process is as it is shown in figure 1, working medium compressor pump
11, vaporizer the 14, first condenser 12 and restricting element 13 constitute the kind of refrigeration cycle of the first working medium G1.Wherein, by
It is connected with the output shaft of decompressor 22 in the rotary shaft of working medium compressor pump 11, when decompressor 22 does work, drives rotary shaft to turn
Dynamic, thus drive working medium compressor pump 11 to compress the first working medium G1.First working medium G1 of high pressure gaseous is from air vent
F flows into the first condenser 12, and the first working medium G1 is exothermic condensation in the first condenser 12, condensed first working medium
G1 forms low-temp low-pressure liquid refrigerant after restricting element 13 reducing pressure by regulating flow, and the first working medium G1 after throttling flows into evaporation
After device 14, absorbing the heat of agent for storage of coldness 52 and evaporate formation low-temp low-pressure gaseous working medium, gaseous working medium flows back to working medium pressure again
In contracting pump 11, and constantly repeat said process when decompressor 22 does work, follow with the refrigeration that this forms the first working medium G1
Ring.It is to say, after decompressor 22 acting, refrigeration system 1 generates cold, agent for storage of coldness 52 temperature in cold-accumulating box 5
Degree reduction stores cold.
Cold-accumulating box 5 and indoor cold supply system 4 take part in indoor cooling process.Detailed process is as it is shown in figure 1, agent for storage of coldness 52
Cold is transferred to the 4th working medium G4 in indoor cold supply system 4, and the 4th working medium G4 is flowed in indoor heat exchanger 41
After, by cold release to indoor, reach to regulate the purpose of indoor temperature.Release the 4th working medium G4 of cold again from room
The outlet q of interior heat exchanger 41 flows back to cold-accumulating box 5, the then cold of re-absorption agent for storage of coldness 52, flows into indoor the most again and changes
Hot device 41, be thusly-formed the 4th working medium G4 supplies SAPMAC method.Here, indoor heat exchanger 41 can use in prior art
The structure of disclosed heat exchanger, its particular type can not be restricted, and repeats no more its principle here.
Aforementioned four process, in short, be exactly steam generator 21 after absorbing heat, ordered about the second working medium G2 and is completed to do
Merit circulation is to drive the output shaft rotation of decompressor 22, and decompressor 22 acting drives working medium compressor pump 11 to compress the first work
Matter G1, the first working medium G1 completes kind of refrigeration cycle, and the cold accumulation of generation is in cold-accumulating box 5.When indoor need cooling,
Indoor heat exchanger 41 absorbs in cold-accumulating box 5 cold and is discharged in indoor environment.
This device converts heat into mechanical energy and is then converted into cold, combines organic Rankine generation technology and the phase of advanced person
Become Cool Storage Technology.Wherein, in power cycle, available low-grade energy heats the second working medium G2, can be low-grade
Realize compression refrigeration under driven by energy, and cold is stored by system operation when low-grade energy abundance, and when low product
When potential energy source is inadequate, the cold utilizing accumulation is room cooling.Which overcome big to electric energy of conventional compression formula air conditioning system
Amount consumes, and is an important breakthrough on the basis of conventional compression refrigeration system.
The middle-low grade energy has solar energy, geothermal energy and an industrial waste heat etc., explores the utilization of new forms of energy, it is achieved energy-conservation subtract
The task of row, becomes a new problem of refrigeration industry development.
Air-conditioning device 100 according to embodiments of the present invention, combines organic Rankine generation technology and phase change cold-storage technology, can
Utilizing middle-low grade energy sources for heating working medium, working medium drives decompressor 22 to do work to drive refrigeration system compression refrigeration, finally
The cold of generation is stored for room temperature lowering, saves electric energy energy consumption to greatest extent, it is achieved that the low energy consumption of device,
Low emission, and the suitability is extensive, has adapted to the era development new demand to air-conditioning technical just.
Describe according to the structure of air-conditioning device 100 in different embodiments of the invention referring to Fig. 1-Fig. 3.May be appreciated
It is that in different embodiments, identical label shows identical element or has the element of identical function.
Embodiment one
Fig. 1 illustrates the concrete structure of air-conditioning device 100 in embodiment one.
Owing to solar energy resources is widely distributed, and there is great developing and utilizingpotentiality, and utilize solar energy heating the second work
Matter G2, almost can realize the zero-emission of system, therefore in embodiment one thermal-arrest process collection be solar energy, certainly
Also it is not excluded for can utilizing in other embodiments the scheme of the low-grade energy such as biogas, underground heat.
Specifically, as it is shown in figure 1, air-conditioning device 100 also includes the second working medium within adding hot steam generator 21
The solar energy hot systems 3 of G2, i.e. between solar energy hot systems 3 and steam generator 21 heat transfer to add vapours
The second working medium G2 in generator 21.
As it is shown in figure 1, solar energy hot systems 3 includes: solar thermal collector 31, heat exchanger tube 32 and the first actuator
33.Heat exchanger tube 32 is connected to steam generator 21, and the two ends of heat exchanger tube 32 are connected with solar thermal collector 31 respectively.
First actuator 33 is connected in series between solar thermal collector 31 and heat exchanger tube 32, to drive in heat exchanger tube 32 the 3rd
Working medium G3 circulation.
Specifically, solar thermal collector 31, heat exchanger tube 32 and the first actuator 33 are sequentially connected from head to tail to form the 3rd working medium
The collection thermal cycle of G3.Wherein, solar thermal collector 31 absorbs solar energy and is converted into heat energy, and heat exchanger tube 32 is by the sun
Can the thermal energy storage that changes into of heat collector 31 in steam generator 21, between solar thermal collector 31 and heat exchanger tube 32
Energy be displaced through the 3rd working medium G3 circulated in closed circuit and carry out heat exchange and realize, the first actuator 33
Circulate for the 3rd working medium G3 pressurization in closed circuit is realized it.Alternatively, go out from solar thermal collector 31
The 3rd working medium G3 come, after the abundant heat exchange of heat exchanger tube 32, is returned solar energy collection by the first actuator 33 pressurized delivered
In hot device 31.
Wherein, the 3rd preferred liquid refrigerant of working medium G3, if the 3rd working medium G3 can be aqueous water etc., such cost is relatively low,
And if system occurs that the situation of leakage is polluted the least.
In embodiment one, the first actuator 33 can be the pump housing, and the first actuator 33 is alternatively other driver parts such as compression
Parts etc., after the 3rd working medium G3 is compressed, the outlet side pressure of compression member is higher so that the 3rd working medium G3 edge
Pipeline flows to pressure lower.It should be noted that the structure and working principle of the pump housing and compression member is prior art,
The most no longer it is described in detail.
Due to flat-plate solar heat collector simple in construction, reliable, cost-effective, also have that bearing capacity is strong, inhale
Hot side amasss the features such as big, and therefore solar thermal collector 31 is chosen as flat-plate solar heat collector.
Flat-plate solar heat collector can include absorber plate, transparent cover plate (not shown) etc., limits use in absorber plate
In the heat recipient passage of circulation the 3rd working medium G3, transparent cover plate is located on absorber plate.When flat-plate solar heat collector works
Time, after solar radiation passes transparent cover plate, it being incident upon on absorber plate, sunlight is absorbed by absorber plate and changes into heat energy,
The 3rd working medium G3 being then passed in absorber plate, makes the temperature of the 3rd working medium G3 raise.
Certainly, solar thermal collector 31 can be also other types, such as vacuum tube collector etc., is not especially limited here.
In embodiment one, as it is shown in figure 1, organic rankine cycle system 2 also includes the second actuator 24, second drives
Part 24 is connected in series between the second condenser 23 and steam generator 21, and the second actuator 24 is cold for driving second
In condenser 23, condensed liquid the second working medium G2 flow back in steam generator 21.The setting of the second actuator 24,
Making the second condenser 23 few with the position relationship constraint of steam generator 21, the setting of the second actuator 24 can be avoided
Liquid refrigerant accumulates in the second condenser 23.
Wherein, the second actuator 24 is chosen as the pump housing, and the second actuator 24 is alternatively other driver parts such as compression member
Deng, after the second working medium G2 is compressed, the outlet side pressure of compression member is higher so that the second working medium G2 is along pipeline
Flow to steam generator 21.
In embodiment one, as it is shown in figure 1, the heat that solar energy hot systems 3 is collected is delivered to organic Rankine bottoming cycle system
Steam generator 21 in the middle of system 2, steam generator 21, decompressor the 22, second condenser 23 and the second actuator
24 connections are in a closed circuit, and the second actuator 24 is for driving the second working medium G2 recycle stream in power cycle loop
The dynamic energy that realizes is changed.The second working medium G2 in the middle of steam generator 21 evaporates into decompressor 22 expansion work,
Being condensed into liquid refrigerant from decompressor 22 the second working medium G2 out through the second condenser 23, liquid refrigerant is through second
Actuator 24 add be pressed back in steam generator 21 heating, finally enter back into the acting that reexpands in decompressor 22, complete
Become power cycle.
In embodiment one, as it is shown in figure 1, heat exchanger tube 32 extend in steam generator 21, heat exchanger tube 32 is immersed in
In second working medium G2 of liquid, the 3rd working medium G3 in heat exchanger tube 32 and the second working medium G2 in steam generator 21
By the tube wall heat exchange of heat exchanger tube 32, thus heat exchange efficiency is higher.
Wherein, the shell of steam generator 21 can be couveuse, it may also be said to the shell of steam generator 21 uses thermal insulation
Shell, it is to avoid the conduct heat away that steam generator 21 absorbs is gone out.In FIG, steam generator 21 is formed as casing,
The top of casing is provided with steam (vapor) outlet b, and the low side of casing is provided with import a, and the outer surface of casing is provided with thermal insulation layer, changes
Heat pipe 32 extend in casing, and heat exchanger tube 32 is formed as coil pipe.
It addition, between the second condenser 23 and the second actuator 24, it is possible to it is in series with reservoir (not shown),
Blowback steam generator 21 again after so liquid second working medium G2 of condensation can be concentrated in reservoir.
In embodiment one, the second working medium G2 in organic rankine cycle system 2 can be selected for R245fa, it is possible to selects such as
The low boiling organic working medium such as R410a, R236fa, RC318 or R141b.
In embodiment one, the first working medium G1 in refrigeration system 1 can be selected for R245fa, it is possible to selection such as R410a,
The low boiling organic working medium such as R236fa, RC318 or R141b.
In embodiment one, working medium compressor pump 11 can use the structure of the compressor disclosed in prior art, the song of compressor
Axle constitutes rotary shaft, and bent axle is connected with decompressor 22 by connecting shaft 101.When solar energy deficiency, compressor
Also can be energized and run and compress the first working medium G1.
Working medium compressor pump 11 may be used without eliminating the compressor arrangement of electric machine assembly, say, that this working medium compressor pump
For compressor disclosed in 11 hinge structure, stator and rotor etc. are lacked.
In embodiment one, the first condenser 12, vaporizer 14 and restricting element 13 can be respectively adopted in prior art public affairs
The condenser opened, vaporizer, the structure of throttling element, concrete structure and operation principle to them repeat no more here.
Restricting element 13 also preferable electric expansion valve in embodiment one, thus electric expansion valve scalable refrigeration system 1
In the mass flow of the first working medium G1.
In embodiment one, vaporizer 14 may be alternatively formed to coil pipe, and vaporizer 14 extend in cold-accumulating box 5, vaporizer
14 are immersed in agent for storage of coldness 52, thus improve cooling heat exchange efficiency.
In embodiment one, connecting shaft 101 also can connect electromotor (not shown), when not running cooling condition,
Air-conditioning device 100 may further be used to generating.
In embodiment one, as it is shown in figure 1, indoor cold supply system 4 also includes inhaling cold heat exchanger 42, inhale cold heat exchanger 42
Be located in cold-accumulating box 5, inhale the two ends of cold heat exchanger 42 stretch out cold-accumulating box 5 with the entrance p of indoor heat exchanger 41 and going out
Mouth q is connected.
4th working medium G4 circulates between suction cold heat exchanger 42 and indoor heat exchanger 41, agent for storage of coldness in cold-accumulating box 5
Cold conduction to the 4th working medium G4 inhaled in cold heat exchanger 42, the 4th working medium G4 are flowed back to indoor heat exchange from entrance p by 52
Device 41, indoor heat exchanger 41, again by cold release to indoor, reaches to regulate the purpose of indoor temperature, indoor cold supply system
4 effects serving cold transfer.
In embodiment one, as it is shown in figure 1, indoor cold supply system 4 can include that blower fan 44, blower fan 44 drive Indoor Air
Stream flows through indoor heat exchanger 41, to accelerate the cold propagation in the interior space.
In embodiment one, indoor heat exchanger 41 is formed as coil pipe, thus simple in construction low cost, install take up room little.
Inhale cold heat exchanger 42 be formed as coil pipe and extend in cold-accumulating box 5, inhale cold heat exchanger 42 and be immersed in agent for storage of coldness 52,
Thus improve cooling heat exchange efficiency.
In embodiment one, as it is shown in figure 1, indoor cold supply system 4 also includes in driving indoor heat exchanger 41 the 4th
The 3rd actuator 43 that working medium G4 circulates.
Alternatively, the 3rd actuator 43 is the pump housing, and the 3rd actuator 43 is alternatively other driver parts such as compression member etc..
In embodiment one, the 3rd preferable magnetic drive pump of actuator 43, the even the 3rd actuator 43 selects family miniature magnetic
Pump.Owing to the operating frequency of magnetic drive pump is adjustable, the 3rd actuator 43 is selected magnetic drive pump, can be by regulation the 3rd driving
The operating frequency of part 43, it is achieved the 4th working medium G4 flow of circulation is adjustable between indoor heat exchanger 41 and cold-accumulating box 5.
So, air-conditioning device 100 can be according to regulating working conditions indoor refrigeration degree, thus air-conditioning device 100 is more intelligent.
After adjustment, effect is, between cold-accumulating box 5 and indoor heat exchanger 41, the circulation of the 4th working medium G4 increases, then store
The cold that ice chest 5 transmits to indoor heat exchanger 41 increases, and indoor temperature regulating power strengthens, and indoor environment can drop rapidly
Temperature.Between cold-accumulating box 5 and indoor heat exchanger 41, the circulation of the 4th working medium G4 reduces, and cold-accumulating box 5 transmission is to indoor
The cold of heat exchanger 41 reduces, and indoor temperature regulating power weakens, and indoor environment cooling is slow.
In embodiment one, cold-accumulating box 5 is insulated case.Preferably, the outer surface of cold-accumulating box 5 is provided with insulation material layer,
Thus cold runs off few in ensureing cold-accumulating box 5.
In embodiment one, agent for storage of coldness 52 can be selected for phase change cold accumulating agent 52, and so, phase change cold accumulating agent 52 can high degree
Absorb vaporizer 14 cold, improve heat exchange efficiency, agent for storage of coldness 52 with the first working medium G1 heat exchange in vaporizer 14 after,
Agent for storage of coldness 52 exothermic condensation of gaseous state becomes liquid, after liquid agent for storage of coldness 52 and indoor heat exchanger 41 heat exchange, and operative liquid
Agent for storage of coldness 52 re-evaporation becomes gaseous state, gaseous state agent for storage of coldness 52 can absorb the cold of vaporizer 14 again and condense, and forms cooling
Circulation.
Alternatively, agent for storage of coldness 52 is carbon dioxide (CO2) hydrate and tetrabutyl ammonium bromide (TBAB) hydrate
Mixture, wherein, the concentration of tetrabutyl ammonium bromide (TBAB) is preferably 35%, certainly, tetrabutyl ammonium bromide dense
Degree is alternatively other suitable ratios, is not especially limited here.
In embodiment one, as it is shown in figure 1, be loaded with multiple cold-storage ball 51 in cold-accumulating box 5, agent for storage of coldness 52 is filled in
In multiple cold-storage balls 51.From disclosed in correlation technique about the research of cold-storage ball, utilize and be filled with agent for storage of coldness 52
Cold-storage ball 51 cold-storage, system heat exchange efficiency is high, cold runs off less and heat exchange is more stable.For cold-storage in cold-storage ball 51
Agent evaporation, the temperature field analysis of process of setting and heat exchange affect for, disclosed in relation technological researching, repeating no more here.
Wherein, cold-storage ball 51 can reserve the clearance volume of 10%, and certainly, the reserved clearance volume of cold-storage ball 51 can not limit
In 10%, after working conditions change, the clearance volume also adaptability change that cold-storage ball 51 is reserved.
Air-conditioning device 100 scheme of embodiment one, by solar energy heating technology, organic Rankine bottoming cycle generation technology and phase transformation
Cool Storage Technology combines, and effectively overcomes the shortcoming that tradition electric driven compression formula air-conditioner power consumption is big, has reached energy-saving and emission-reduction
Purpose, the policy of the current various countries energy-conserving and environment-protective that coincide.Embodiment one utilizes solar energy hot systems 3 by the sun
Heat energy can be changed into, utilize organic rankine cycle system 2 that heat energy is changed into mechanical energy, utilize mechanical power to drive refrigeration system
System 1 refrigeration, then by cold-accumulating box 5 store cold and be room cooling.
The air-conditioning device 100 of embodiment one is not enough and night with supplementary rainy weather irradiation by accumulating a part of cold
Demand, air-conditioning device 100 good stability, simple in construction, workable.
Embodiment two
Fig. 2 illustrates the concrete structure of air-conditioning device 100 in embodiment two.As in figure 2 it is shown, the air-conditioning dress of embodiment two
Putting 100 to be substantially the same with the structure of the air-conditioning device 100 of embodiment one, here like parts repeat no more.
Except that, in embodiment two, as in figure 2 it is shown, the first condenser 12 and the second condenser 23 are integrated
Condenser 102, the working medium entrance i of condenser 102 respectively with air vent f and the decompressor 22 of working medium compressor pump 11
Outlet d be connected, the sender property outlet j of condenser 102 is connected with restricting element 13 and steam generator 21 respectively.
It is to say, in embodiment two, the working medium of the outlet d discharge of decompressor 22 and the row of working medium compressor pump 11
The working medium that QI KOU f is discharged flows in condenser 102 and mixes, and all condenses heat release in condenser 102.Condenser 102
The liquid refrigerants discharged is divided into two strands, and one flows to steam generator 21 evaporation of absorbing heat and completes power cycle, another plume
In restricting element 13, reducing pressure by regulating flow is to complete kind of refrigeration cycle.
Two cyclic processes distribute the working medium amount needed for circulation automatically by condenser 102, make two circulation independent operatings,
Ensure system stability refrigeration.The second condensation by the first condenser 12 of refrigeration system 1 with organic rankine cycle system 2
Device 23 is merged into a condenser 102, saves the quantity of condenser, reduces cost.
In embodiment two, the overall operation process of air-conditioning device 100, scheme advantage are substantially the same with embodiment one scheme, this
In be also not repeated.
Embodiment three
Fig. 3 illustrates the partial structurtes of air-conditioning device 100 in embodiment three.The air-conditioning device 100 of embodiment three can use
The overall structure of the air-conditioning device 100 of embodiment one or embodiment two, except that, in embodiment three, such as figure
Shown in 3, indoor cold supply system 4 eliminates suction cold heat exchanger 42, and the entrance p of indoor heat exchanger 41 and outlet q divides
Not with the intracavity inter-connection of cold-accumulating box 5, agent for storage of coldness 52 constitutes the 4th working medium G4 of indoor cold supply system 4.
The cooling process of embodiment three is: fill agent for storage of coldness 52 in cold-accumulating box 5, and agent for storage of coldness 52 can absorb in vaporizer 14
The cold of the first working medium G1, then the agent for storage of coldness 52 with cold can flow into indoor from the entrance p of indoor heat exchanger 41
Heat exchanger 41, by cold release to indoor, to reach to regulate the purpose of indoor temperature.Release the agent for storage of coldness 52 of cold
Flowing back to cold-accumulating box 5 from the outlet q of indoor heat exchanger 41 again, then the cold of re-absorption vaporizer 14, flows into the most again
Indoor heat exchanger 41, so circulates, and form agent for storage of coldness 52 supplies SAPMAC method.
In embodiment three, indoor cold supply system 4 also can not set the 3rd actuator 43, now can be by indoor heat exchanger 41
Entrance p arrange relatively low and export q and arrange higher, in cold-accumulating box 5, liquid agent for storage of coldness 52 can be under gravity
Flow to indoor heat exchanger 41, and in indoor heat exchanger 41 after agent for storage of coldness 52 heat absorption evaporation, gaseous state agent for storage of coldness 52 is to upstream
Return cold-accumulating box 5, the most constantly repetitive cycling.So, indoor cold supply system 4 structure is relatively simple, and cost is the lowest.
In embodiment three, the overall operation process of air-conditioning device 100, scheme advantage are substantially the same with embodiment one scheme, this
In be also not repeated.
In above-mentioned multiple embodiment, the mode of solar energy heating the second working medium G2 is utilized to have a lot, by solar thermal collector
The scheme circulating the 3rd working medium G3 between 31 and heat exchanger tube 32 can be replaced by other structures.Such as, can be at steam
Stick solar absorber plate on the shell of generator 21, after shell heat absorption, conduct heat to internal second working medium G2.
It addition, in above-mentioned multiple embodiment, heat exchanger tube 32 is not limited to heat exchanger tube 32 with the annexation of steam generator 21
Extending in the shell filling the second working medium G2 of steam generator 21, such as, heat exchanger tube 32 may be provided in steam generation
In the housing wall of device 21, or forming cavity in the housing wall of steam generator 21, this cavity constitutes heat exchanger tube 32.
The annexation of vaporizer 14 and cold-accumulating box 5 is also not necessarily limited to vaporizer 14 and extend into the cold-accumulating box filling agent for storage of coldness 52
In 5, inhale the annexation of cold heat exchanger 42 and cold-accumulating box 5 and be not limited to inhale cold heat exchanger 42 and extend into and fill agent for storage of coldness 52
Cold-accumulating box 5 in, vaporizer 14 and/or inhale cold heat exchanger 42 and may be provided in the box body wall of cold-accumulating box 5, cold-accumulating box 5
Box body wall in also can be formed with cavity, this cavity constitutes vaporizer 14 and/or inhales cold heat exchanger 42.
Control method below with reference to Fig. 1-Fig. 4 description air-conditioning device according to embodiments of the present invention.
Wherein, as shown in Figure 1-Figure 3, air-conditioning device 100 includes: cold-accumulating box 5, refrigeration system 1, indoor cooling system
System 4 and organic rankine cycle system 2, be loaded with agent for storage of coldness 52 in cold-accumulating box 5.
Refrigeration system 1 includes working medium compressor pump the 11, first condenser 12 and vaporizer 14, and vaporizer 14 is connected to cold-storage
Case 5 with agent for storage of coldness 52 heat exchange.
Organic rankine cycle system 2 includes steam generator 21, decompressor 22 and the second condenser 23, steam generator
21 have import a and steam (vapor) outlet b, steam (vapor) outlet b is connected with the air inlet c of decompressor 22, the row of decompressor 22
Outlet d is connected with the import a of steam generator 21 by the second condenser 23, the output shaft of decompressor 22 and working medium
The rotary shaft of compressor pump 11 is connected to drive working medium compressor pump 11 to compress the first working medium G1.
In the control method of embodiment of the present invention air-conditioning device to be illustrated, the structure of the air-conditioning device of employing is with above-mentioned
The structure of the air-conditioning device 100 of embodiment is substantially the same, and its structure and work process first do not repeat here.
When mentioning the control method of air-conditioning device of the embodiment of the present invention, the indoor cold supply system 4 of air-conditioning device 100 needs
Including indoor heat exchanger the 41, the 3rd actuator the 43, first temperature measurement one and the second temperature measurement one (not shown), indoor are changed
The entrance p of hot device 41 is connected with cold-accumulating box 5 respectively with outlet q, and the 3rd actuator 43 is for driving the 4th working medium G4
Circulating between indoor heat exchanger 41 and cold-accumulating box 5, the first temperature measurement one is used for detecting indoor temperature, the second thermometric
Part is for detecting the temperature of indoor heat exchanger 41.
In embodiments of the present invention, the control of air-conditioning device comprises the steps:
Indoor temperature T1 is obtained by the first temperature measurement one；
Temperature T2 of indoor heat exchanger 41 is obtained by the second temperature measurement one；
3rd actuator 43 controls according to the difference (T1-T2) of indoor temperature T1 with temperature T2 of indoor heat exchanger 41
The circular flow of the 4th working medium G4.
It is to say, the control method of the air-conditioning device of the embodiment of the present invention, by indoor temperature and indoor heat exchanger 41
The degree of closeness of temperature determine a need for strengthening refrigeration.
Specifically, when the difference (T1-T2) of indoor temperature T1 Yu temperature T2 of indoor heat exchanger 41 is less, i.e.
The temperature of indoor temperature and indoor heat exchanger 41 close to time, then reduced by the 3rd actuator 43 and pump into room from cold-accumulating box 5
The flow of the 4th working medium G4 of interior heat exchanger 41, indoor environment will maintain a relatively stable state.Work as indoor temperature
When T1 is bigger with the difference (T1-T2) of temperature T2 of indoor heat exchanger 41, i.e. indoor temperature and indoor heat exchanger 41
Between the temperature difference big, then increase, by the 3rd actuator 43, the 4th working medium G4 pumping into indoor heat exchanger 41 from cold-accumulating box 5
Flow, indoor environment will reduce rapidly, till the temperature of indoor temperature Yu indoor heat exchanger 41 is close.
This control method make indoor temperature rapid advance in the temperature of indoor heat exchanger 41, the 3rd actuator 43 without
Frequently run, it is possible to decrease the power consumption of the 3rd actuator 43.Thus, the control of air-conditioning device according to embodiments of the present invention
Method processed, by the uninterrupted of control the 4th working medium G4 so that room temperature is carried out Intelligent adjustment, reduces energy consumption,
During can avoiding room temperature regulation, larger fluctuation occurs, it is ensured that the comfortableness of room stay.
Preferably, the second temperature measurement one is for detecting the temperature at the middle part of indoor heat exchanger 41, thus controls more accurate.
Alternatively, the first temperature measurement one and the second temperature measurement one are temperature sensor.
Specifically, the 3rd actuator 43 is magnetic drive pump, in the control method of the air-conditioning device of the embodiment of the present invention, can pass through
Judge that the indoor temperature T1 difference with temperature T2 of indoor heat exchanger 41 is to determine the running frequency of magnetic drive pump.
Now, as shown in Figure 4, the control method of air-conditioning device includes three modules: detect indoor temperature T1 and detection
Temperature T2 of indoor heat exchanger 41, the value of judgement (T1-T2) determine the running frequency of magnetic drive pump, control magnetic drive pump
Running frequency.
Wherein, determined by temperature difference (T1-T2) that the corresponded manner of the operating frequency of magnetic drive pump is not limited to one.Such as,
In some concrete examples, the operating frequency of magnetic drive pump and difference (T1-T2) can be proportionate change, say, that
Difference (T1-T2) is the biggest, and the operating frequency of magnetic drive pump is the highest, and difference (T1-T2) is the least, the operating frequency of magnetic drive pump
The lowest, thus, indoor environment temperature fluctuation is less, comfortable for living.
In certain embodiments, magnetic drive pump is Micro magnetic driving pump, and the frequency of Micro magnetic driving pump is corresponding with a* (T1-T2), its
In, a value is coefficient of frequency.It is to say, after detection obtains T1, T2 value, by by the difference (T1-T2) of the two
The frequency that magnetic drive pump should run is obtained after being multiplied by coefficient a.
Certainly, in the present invention, the determination mode of the operating frequency of magnetic drive pump is not limited to this, the most in further embodiments,
When detecting that room needs cooling, gather the middle portion temperature T2 of indoor temperature T1 and indoor heat exchanger 41, according to T1
Magnetic drive pump frequency is determined with the difference of T2.Wherein, the greatest expected difference of (T1-T2) is Tm, by maximum anticipated difference
Value Tm is divided into multiple temperature section, and magnetic drive pump running frequency is also configured to multiple frequencies of correspondence.Actual difference as (T1-T2)
After value T0 falls into one of them temperature section, magnetic drive pump runs with corresponding frequency.
Such as, the expection difference of (T1-T2) can be divided into [0,2), [2,4), [4,6), [6,8), [8,10), [10,12),
The running frequency of magnetic drive pump is divided into six gears of corresponding A, B, C, D, E, F, when the actual difference of (T1-T2)
When T0 is 3 degree, T0=3 fall into [2,4) scope, therefore magnetic drive pump with B gear frequency run.Certainly, above-mentioned expection is poor
The concrete numerical value of multiple temperature sections of value also needs to be determined according to service condition.
Control the running frequency of magnetic drive pump by room temperature thus reach to regulate the purpose of the 4th working medium G4 flow, real
Temperature intelligent regulation between existing apartment, this apparatus structure is simple, workable, is a kind of green energy conservation type air-conditioning device 100.
Below in conjunction with Fig. 2, structure and the control method thereof of air-conditioning device 100 in a concrete example are described.
As in figure 2 it is shown, air-conditioning device 100 includes: flat-plate solar heat collector, the first actuator 33, second drive
Part 24, be provided with the steam generator 21 of lagging casing, decompressor 22, connecting shaft 101, compressor, condenser 102,
Electric expansion valve, cold-accumulating box 5, phase change cold-storage ball 51, Micro magnetic driving pump, room tail-end blower fan coil pipe.
Flat-plate solar heat collector upper end pipeline out is connected with heat exchanger tube 32, and lower end pipeline and first out drives
Part 33 connects, and pipeline is connected with heat exchanger tube 32 after the first actuator 33.
The shell of steam generator 21 uses lagging casing, and steam generator 21 upper end out pipeline connects decompressor 22,
Decompressor 22 out working medium pipeline connects condenser 102, and decompressor 22 is connected by connecting shaft 101 with compressor, pressure
Contracting machine out pipeline connects condenser 102, and condenser 102 out lower end pipeline is divided into two branch roads, and a branch road connects
Second actuator 24, a branch road connects electric expansion valve, and electric expansion valve out pipeline connects the evaporation of refrigeration system 1
Device 14, vaporizer 14 is arranged in cold-accumulating box 5, is filled with phase change cold-storage ball 51 in cold-accumulating box 5, cold-accumulating box 5 another
End is provided with suction cold heat exchanger 42 pipeline, inhales cold heat exchanger 42 pipeline and connects Micro magnetic driving pump, and Micro magnetic driving pump connects room
Between tail-end blower fan coil pipe.
The work process of whole device mainly include the collection thermal process of solar energy, organic Rankine bottoming cycle power generation process, refrigeration-
Phase change cold-storage process and indoor cooling process.
During solar energy heating, solar energy is changed into heat energy by flat-plate solar heat collector, the first actuator 33
Make water circulate the heat taking out of in flat-plate solar heat collector in pipeline, transfer heat to steam generator
21.In steam generator 21, organic working medium heating becomes high temperature and high pressure steam.
In organic Rankine bottoming cycle power generation process, organic working medium heating becomes high temperature and high pressure steam, and steam enters decompressor 22,
Heat energy is changed into mechanical energy, enters condenser 102 from decompressor 22 working medium out and condense heat release, drive second
Return to steam generator 21 under the effect of part 24 and start next cyclic process.
During refrigeration-phase change cold-storage, the mechanical energy produced by organic Rankine bottoming cycle power generation process drives refrigeration system 1
In compressor work, working medium becomes high temperature and high pressure steam, enters condenser 102 and condenses heat release, and the working medium after heat release is entered
Entering electric expansion valve adiabatic throttling and become low-temp low-pressure working medium, low-temp low-pressure working medium is evaporation endothermic in vaporizer 14, will
Cold is stored in cold-accumulating box 5.
During indoor cooling, when detecting that room needs cooling, the 4th working medium G4 recycle stream in end pipeline
Dynamic, enter in the suction cold heat exchanger 42 of cold-accumulating box 5, the cold that phase change cold-storage ball 51 release stores, inhale cold heat exchanger 42
Interior water is taken away cold and is entered room tail-end blower fan coil pipe, gathers room indoor temperature T1 with indoor by temperature sensor
Heat exchanger 41 middle portion temperature T2, determines magnetic drive pump frequency according to T1 Yu T2 difference.Micro magnetic driving pump running frequency
Hz=a* (T1-T2), a are coefficient of frequency, and a value is sized as the case may be.The running frequency of magnetic drive pump is divided
Being six gears, concrete numerical value is determined according to service condition, reaches to adjust by changing the running frequency of Micro magnetic driving pump
The purpose of joint refrigerating medium flow, thus realize room temperature Intelligent adjustment.
Air-conditioning device 100 according to embodiments of the present invention, utilizes the middle-low grade energy to complete refrigeration and cold accumulation, to greatest extent
Reduce the consumption of electric energy.The control method of this system includes: detection indoor temperature T1 and the temperature of indoor heat exchanger 41
T2, the value of judgement (T1-T2) determine the running frequency of magnetic drive pump, control the running frequency of magnetic drive pump.This control
Method can the flow of appropriate regulation the 4th working medium G4, reduce the fluctuation of room temperature, it is ensured that room comfortableness.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " concrete example "
Or specific features, structure, material or the feature that the description of " some examples " etc. means to combine this embodiment or example describes
It is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.And, the specific features of description, structure, material or feature can be
Any one or more embodiments or example combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: do not taking off
In the case of the principles and objective of the present invention, these embodiments can be carried out multiple change, revise, replace and modification,
The scope of the present invention is limited by claim and equivalent thereof.
Claims (10)
1. an air-conditioning device, it is characterised in that including:
Cold-accumulating box, is loaded with agent for storage of coldness in described cold-accumulating box；
Refrigeration system, described refrigeration system includes working medium compressor pump, the first condenser, restricting element and vaporizer, described
Working medium compressor pump has air vent and gas returning port, and one end of described first condenser is connected with described air vent, described evaporation
One end of device is connected with described gas returning port, described restricting element be connected in series in described vaporizer and described first condenser it
Between, wherein, described vaporizer be connected to described cold-accumulating box with described agent for storage of coldness heat exchange；
Indoor cold supply system, described indoor cold supply system includes indoor heat exchanger, the entrance and exit of described indoor heat exchanger
It is connected with described cold-accumulating box respectively to be formed for SAPMAC method between described cold-accumulating box；
Organic rankine cycle system, described organic rankine cycle system includes steam generator, decompressor and the second condenser,
Described steam generator has import and steam (vapor) outlet, and described steam (vapor) outlet is connected with the air inlet of described decompressor, described
The outlet of decompressor is connected with the described import of described steam generator by described second condenser, described decompressor
Output shaft is connected with the rotary shaft of described working medium compressor pump to drive described working medium compressor pump to compress the first working medium.
Air-conditioning device the most according to claim 1, it is characterised in that also include for heating described steam generator
The solar energy hot systems of the second interior working medium.
Air-conditioning device the most according to claim 2, it is characterised in that described solar energy hot systems includes:
Solar thermal collector；
Heat exchanger tube, described heat exchanger tube is connected to described steam generator, the two ends of described heat exchanger tube respectively with described solar energy
Heat collector is connected；
First actuator, described first actuator is connected in series between described solar thermal collector and described heat exchanger tube to drive
3rd working medium circulation circulation in dynamic described heat exchanger tube.
Air-conditioning device the most according to claim 1, it is characterised in that described organic rankine cycle system also includes
Two actuators, described second actuator is connected in series between described second condenser and described steam generator.
Air-conditioning device the most according to claim 1, it is characterised in that the shell of described steam generator is couveuse.
Air-conditioning device the most according to claim 1, it is characterised in that described indoor cold supply system also includes inhaling cold changing
Hot device, described suction cold heat exchanger is located in described cold-accumulating box, the two ends of described suction cold heat exchanger stretch out described cold-accumulating box with
The described entrance and exit of described indoor heat exchanger is connected.
Air-conditioning device the most according to claim 1, it is characterised in that described indoor cold supply system also includes for driving
3rd actuator of the 4th working medium circulation flowing in dynamic described indoor heat exchanger.
Air-conditioning device the most according to claim 1, it is characterised in that described first condenser and described second condensation
The condenser that device is integrated, the working medium entrance of described condenser respectively with the described air vent of described working medium compressor pump and described
The described outlet of decompressor be connected, the sender property outlet of described condenser respectively with described restricting element and described steam generation
Device is connected.
Air-conditioning device the most according to claim 6, it is characterised in that be loaded with multiple cold-storage ball in described cold-accumulating box,
Described agent for storage of coldness is filled in the plurality of cold-storage ball.
10. the control method of the air-conditioning device that a kind is applied to according to any one of claim 1-9, it is characterised in that
Described indoor cold supply system also includes that the 3rd actuator, the first temperature measurement one and the second temperature measurement one, described 3rd actuator are used for
Driving the 4th working medium to circulate between described indoor heat exchanger and described cold-accumulating box, described first temperature measurement one is used for detecting
Indoor temperature, described second temperature measurement one is used for detecting the temperature of described indoor heat exchanger,
The control method of described air-conditioning device comprises the steps:
Indoor temperature T1 is obtained by described first temperature measurement one；
Temperature T2 of described indoor heat exchanger is obtained by described second temperature measurement one；
Described 3rd actuator is according to the difference (T1-T2) of described indoor temperature T1 Yu temperature T2 of described indoor heat exchanger
Control the circular flow of the 4th working medium.
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| CN109026574A (en) * | 2018-07-26 | 2018-12-18 | 上海理工大学 | A kind of air-conditioner driving device based on solar energy Organic Rankine Cycle |
| CN109107618A (en) * | 2018-09-21 | 2019-01-01 | 深圳市大稳科技有限公司 | Cool-storage type temperature control chamber and control method |
| CN110500830A (en) * | 2019-04-29 | 2019-11-26 | 何家密 | The reduction power-exhausting processes of refrigerant evaporation and condensation cooling and warming |
| CN113339908A (en) * | 2021-05-27 | 2021-09-03 | 青岛海尔空调器有限总公司 | Cold accumulation type air conditioning fan and control method thereof |
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Application publication date: 20161012 |