CN105650783A - Air conditioner system - Google Patents
Air conditioner system Download PDFInfo
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- CN105650783A CN105650783A CN201610021903.7A CN201610021903A CN105650783A CN 105650783 A CN105650783 A CN 105650783A CN 201610021903 A CN201610021903 A CN 201610021903A CN 105650783 A CN105650783 A CN 105650783A
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- Prior art keywords
- cold
- branch road
- storage device
- heat exchanger
- air conditioning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
- F24F5/0021—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice using phase change material [PCM] for storage
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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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
- F24F2005/0025—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice using heat exchange fluid storage tanks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
- F24F2005/0032—Systems storing energy during the night
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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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Other Air-Conditioning Systems (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an air conditioner system. The air conditioner system comprises a compressor, an outdoor heat exchanger, an expansion valve and an indoor heat exchanger and further comprises a cold and heat storage device capable of storing heat. The compressor, the outdoor heat exchanger, the expansion valve and the cold and heat storage device are connected through a pipeline loaded with a refrigerant. The refrigerant coming out of the compressor can sequentially pass through the outdoor heat exchange, the expansion valve and the cold and heat storage device, so that the refrigerant is evaporated from the cold and heat storage device so as to absorb heat; alternatively, the refrigerant coming out of the compressor can sequentially pass through the cold and heat storage device, the expansion valve and the outdoor heat exchanger, so that the refrigerant releases heat in the cold and heat storage device. The cold and heat storage device is further connected with a pipeline, loaded with a secondary refrigerant, of the indoor heat exchanger, and the secondary refrigerant circularly flows between the cold and heat storage device and the indoor heat exchanger so that cold or heat stored in the cold and heat storage device can be transferred to the indoor heat exchanger to be released through the secondary refrigerant. By means of the air conditioner system, the problem that electricity is in short supply during an electricity utilization peak is solved, and energy conservation is facilitated.
Description
Technical field
The present invention relates to air-conditioning technical, in particular it relates to a kind of air conditioning system.
Background technology
At present, the power consumption of air-conditioning is relatively larger. Showing according to data statistics, idle call electricity accounts for 60% the 70% of building total power consumption, and under the situation that current energy source is in short supply, the development of air-conditioning cause is subject to strong influence.
In prior art, air conditioning system generally includes the refrigeration being made up of compressor, vaporizer, expansion valve and condenser or the closed circuit heated. In needs refrigeration or need to open air-conditioning when heating, and daytime usual air-conditioning use more, opening air-conditioning so by day can make the power consumption on daytime relatively big, causes peak of power consumption by day, power tense, electrical network heavy load.
Additionally, compressor, vaporizer, expansion valve and condenser are the closed circuits freezing by carrying the pipeline of coolant to constitute or heating, this operational mode causes within air-conditioning systems, especially in multi-split air conditioner (it is identical or differ the system that the indoor set of model is constituted that off-premises station connects multiple stage), the refrigerant pipeline needed is longer, cause the loss in transmitting procedure of cold or heat big, thus causing that air conditioning system power consumption is high.
Summary of the invention
It is an object of the invention to provide a kind of air conditioning system, this air conditioning system can solve the problem that the problem of power tense during peak of power consumption, electrical network burden weight, and can solve the problem that when refrigerant pipeline is longer, heat and the big problem of loss of refrigeration capacity.
To achieve these goals, the present invention provides a kind of air conditioning system, and including compressor, outdoor heat exchanger, expansion valve and indoor heat exchanger, described air conditioning system also includes can the cold thermal storage device of storing heat, described compressor, described outdoor heat exchanger, described expansion valve and described cold thermal storage device are sequentially connected with by being loaded with the pipeline of coolant, formed and can sequentially pass through described outdoor heat exchanger from described compressor coolant out, described expansion valve and described cold thermal storage device are so that described coolant can the storage SAPMAC method loop of evaporation endothermic in described cold thermal storage device, or formed and can sequentially pass through described cold thermal storage device from described compressor coolant out, described expansion valve and described outdoor heat exchanger are so that described coolant can the heat accumulation closed circuit of heat release in described cold thermal storage device,
Described cold thermal storage device is also connected by the pipeline being loaded with refrigerating medium with described indoor heat exchanger, so that the described refrigerating medium cold that can circulate between described cold thermal storage device and described indoor heat exchanger and make described cold thermal storage device store or heat are absorbed by described refrigerating medium and be transferred in described indoor heat exchanger release.
Preferably, described air conditioning system also includes cross valve, and described cross valve has the 3rd interface that the second interface that the first interface that the outlet with described compressor is connected is connected is connected with described outdoor heat exchanger and the 4th interface being connected with described cold thermal storage device with the entrance of described compressor;
Described cold thermal storage device includes the heat accumulation portion for storing heat and the cold portion of the storage for storing cold, described 4th interface of described cross valve is connected to the first branch road and second branch road of parallel connection, described first branch road is through described heat accumulation portion and is connected with described expansion valve so that the described coolant in described heat accumulation closed circuit is along the described first branch road described heat accumulation portion through described cold thermal storage device; Described second branch road is through the cold portion of described storage and is connected with described expansion valve so that the described coolant in described storage SAPMAC method loop is along the described second branch road cold portion of described storage through described cold thermal storage device;
Described indoor heat exchanger is connected to the 3rd branch road through described heat accumulation portion, heats closed circuit with what form that described refrigerating medium can circulate between described indoor heat exchanger and described heat accumulation portion; Described indoor heat exchanger is also associated with fourth branch road arranged side by side with described 3rd branch road, and described 4th branch road is through the cold portion of described storage, to form the refrigeration cycle that described refrigerating medium can circulate between described indoor heat exchanger and the cold portion of described storage;
Described first branch road, described second branch road, described 3rd branch road and described 4th branch road are respectively arranged with to control the valve of break-make.
Preferably, described first branch road, described second branch road, described 3rd branch road and the described 4th respective two ends being positioned at outside described cold thermal storage device of branch road are respectively arranged with described valve.
Preferably, described first branch road, described second branch road, described 3rd branch road and the described 4th respective part being arranged in described cold thermal storage device of branch road repeatedly bend respectively and form bending structure.
Preferably, the pipeline between described outdoor heat exchanger and described cold thermal storage device is provided with the circulating pump so that described refrigerating medium circulates.
Preferably, what described indoor heat exchanger included being arranged in parallel is multiple.
Preferably, corresponding each described indoor heat exchanger is respectively arranged with to control to flow to the flow control valve of the refrigerating medium flow of described indoor heat exchanger.
Preferably, being provided with phase-change heat-storage material in described heat accumulation portion, described storage is provided with cooling storage material in cold portion.
Preferably, described cold thermal storage device includes housing, described housing is provided with described enclosure interior cavity is divided into two-part thermal insulation layer, the cavity of described thermal insulation layer side is provided with described phase-change heat-storage material and forms described heat accumulation portion, and opposite side is provided with described cooling storage material and forms the cold portion of described storage.
Preferably, described phase-change heat-storage material adopts the mixture of paraffin and metallic copper powder.
Preferably, paraffin described in described phase-change heat-storage material is 9:1 with the volume ratio of described metallic copper powder.
Preferably, described cooling storage material adopts CO2Hydrate.
Preferably, CO in described cooling storage material2Mass ratio be 20%.
Preferably, described heat accumulation portion includes multiple heat accumulation ball, and each described heat accumulation bag draws together the described phase-change heat-storage material filled in spherical shell and described spherical shell; The cold portion of described storage includes the cold ball of multiple storage, and each cold bag of described storage draws together the described cooling storage material filled in spherical shell and described spherical shell.
Air conditioning system provided by the invention is by arranging cold thermal storage device, cold or heat can be made to be stored in cold thermal storage device, the cold or the heat that cold thermal storage device are stored again through refrigerating medium when needing to heat or freeze are transferred to indoor heat exchanger and are heated or freeze, so (especially can avoid the peak of power consumption on daytime) air-conditioning can be opened when being arbitrarily suitable for, heat or cold are stored in cold thermal storage device, and only make when indoor are heated or freeze by needs refrigerating medium circulate. So solving can the problem of peak times of power consumption on daytime shortage of electric power at present. On the other hand, air conditioning system provided by the invention, pipeline owing to carrying coolant does not need to extend to interior radiator, therefore the cold of coolant in air conditioning system running can be reduced or loss that heat causes in course of conveying, it is beneficial to air conditioner system energy saving, this is for needing the longer multi-split air conditioner of pipeline, and energy-saving effect is especially apparent.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, is used for explaining the present invention, but is not intended that limitation of the present invention together with detailed description below. In the accompanying drawings:
Fig. 1 is the structural representation of air conditioning system in an embodiment of the invention.
Description of reference numerals
1-compressor; 2-outdoor heat exchanger;
3-expansion valve; 4-cold thermal storage device;
41-heat accumulation portion; 42-stores up cold portion;
43-housing; 44-thermal insulation layer;
5-cross valve; 51-first interface;
52-the second interface; 53-the 3rd interface;
54-the 4th interface; 6-the first indoor heat exchanger;
7-the second indoor heat exchanger; 8-the 3rd indoor heat exchanger;
9-circulating pump; 11-the first branch road;
12-the second branch road; 13-the 3rd branch road;
14-the 4th branch road; 15-the first valve;
16-the second valve; 17-the 3rd valve;
18-the 4th valve; 19-the 5th valve;
20-the 6th valve; 21-the 7th valve;
22-the 8th valve; The first-class control valve of 23-;
24-second control valve; 25-the 3rd flow control valve.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail. It should be appreciated that detailed description of the invention described herein is merely to illustrate and explains the present invention, it is not limited to the present invention.
The present invention provides a kind of air conditioning system, as it is shown in figure 1, this air conditioning system includes compressor 1, outdoor heat exchanger 2, expansion valve 3 and indoor heat exchanger, this air conditioning system also includes can the cold thermal storage device 4 of storing heat. Compressor 1, outdoor heat exchanger 2, expansion valve 3 and cold thermal storage device 4 are sequentially connected with by being loaded with the pipeline of coolant, formed can sequentially pass through outdoor heat exchanger 2, expansion valve 3 and cold thermal storage device 4 from compressor 1 coolant out so that described coolant cold thermal storage device 4 can the storage SAPMAC method loop of evaporation endothermic, or formed and can sequentially pass through cold thermal storage device 4, expansion valve 3 and outdoor heat exchanger 2 from compressor 1 coolant out so that coolant can the heat accumulation closed circuit of heat release cold thermal storage device 4.
Described cold thermal storage device 4 is also connected by the pipeline being loaded with refrigerating medium with indoor heat exchanger, so that the refrigerating medium cold that can circulate between cold thermal storage device 4 and described indoor heat exchanger and make cold thermal storage device 4 store or heat are absorbed by refrigerating medium and be transferred in described indoor heat exchanger release.
Air conditioning system provided by the invention, if running at heating mode, cold thermal storage device 4, expansion valve 3 and outdoor heat exchanger 2 is sequentially passed through from compressor 1 coolant out, so the coolant in the pipeline of cold thermal storage device 4 is the high temperature and high pressure gas through compressor 1 compression, therefore through the cold media gas of cold thermal storage device 4 can heat release in cold thermal storage device 4 so that cold thermal storage device 4 storing heat; If air conditioning system is run at refrigeration mode, outdoor heat exchanger 2, expansion valve 3 and cold thermal storage device 4 is sequentially passed through from compressor 1 coolant out, so the coolant in the pipeline of cold thermal storage device 4 is the gas entering the low-temp low-pressure before compressor 1, therefore can absorb heat from cold thermal storage device 4 through the cold media gas of the low-temp low-pressure of cold thermal storage device 4, so that cold thermal storage device 4 can store cold. Heat or the cold of cold thermal storage device 4 storage are transferred to indoor heat exchanger again through circulating of refrigerating medium, it is achieved indoor heats or freeze.
Therefore air conditioning system provided by the invention (especially can avoid the peak of power consumption on daytime) can open air-conditioning when being arbitrarily suitable for, cold or heat is made to be stored in cold thermal storage device 4, the cold or the heat that cold thermal storage device 4 are stored again through refrigerating medium when needing to heat or freeze are transferred to indoor heat exchanger and are heated or freeze (at this moment need not open air-conditioning, and only make refrigerating medium circulate). The problem thus solving current peak times of power consumption on daytime shortage of electric power.
On the other hand, air conditioning system provided by the invention, pipeline owing to carrying coolant does not need to extend to interior radiator, therefore the cold of coolant in air conditioning system running can be reduced or loss that heat causes in course of conveying, it is beneficial to air conditioner system energy saving, this is for needing the longer multi-split air conditioner of pipeline, and energy-saving effect is especially apparent.
In the preferred embodiment of the present invention, described air conditioning system is the air conditioning system that can heat He can freeze, this air conditioning system includes cross valve 5, and this cross valve 5 has the 3rd interface 53 that the second interface 52 that the first interface 51 that the outlet with compressor 1 is connected is connected is connected with outdoor heat exchanger 2 and the 4th interface 54 being connected with cold thermal storage device 4 with the entrance of compressor 1.
For making described cold thermal storage device 4 can distinguish storing heat and cold in different mode of operations, cold thermal storage device 4 includes the heat accumulation portion 41 for storing heat and the cold portion 42 of the storage for storing cold. 4th interface 54 of cross valve 5 is connected to the first branch road 11 and the second branch road 12 of parallel connection, first branch road 11 is connected through described heat accumulation portion 41 and with described expansion valve 3, make described coolant in described heat accumulation closed circuit along the first branch road 11 described heat accumulation portion 41 through cold thermal storage device 4, thus heat is stored in heat accumulation portion 41; Described second branch road 12 is also connected with expansion valve 3 through storing up cold portion 42 so that the described coolant in described storage SAPMAC method loop is along the described second branch road 12 cold portion 42 of described storage through cold thermal storage device 4, thus cold is stored in the cold portion 42 of storage.
Described indoor heat exchanger is connected to the 3rd branch road 13, the 3rd branch road 13 through heat accumulation portion 41, with formed refrigerating medium can circulate between indoor heat exchanger and heat accumulation portion 41 with to described indoor heat exchanger discharge heat heat closed circuit; Indoor heat exchanger is also associated with fourth branch road 14 arranged side by side with described 3rd branch road 13,4th branch road 14, through storing up cold portion 42, can circulate with the refrigeration cycle to described indoor heat exchanger released cold quantity forming described refrigerating medium between described indoor heat exchanger and Chu Leng portion 42.
Preferably, as shown in Figure 1, first branch road the 11, second branch road the 12, the 3rd branch road 13 and the respective part being arranged in cold thermal storage device 4 of the 4th branch road 14 repeatedly bend respectively and form bending structure, so that the more part of each branch road and heat accumulation portion 41 or store up phase-change material in cold portion 42 (for heat accumulation or store up cold material, can specifically introduce below) contact, to make described cold thermal storage device 4 heat accumulation efficiently or to store up cold, and refrigerating medium is made to absorb the heat in cold thermal storage device 4 or cold efficiently.
In present embodiment, it is separately provided for controlling the valve of break-make on first branch road 11 and on the second branch road 12, to open the first branch road 11 when air conditioning system is in heating mode and to disconnect the second branch road 12, so that the work of heat accumulation closed circuit, when air conditioning system is in refrigeration mode, disconnect the first branch road 11 and open the second branch road 12, so that storage SAPMAC method loop works.
3rd branch road 13 and the 4th branch road 14 are also respectively arranged with to control the valve of break-make, when heating, open the 3rd branch road 13 and disconnect the 4th branch road 14 so that heat closed circuit work; When refrigeration, disconnect the 3rd branch road 13 and open the 4th branch road 14 so that refrigeration cycle works.
Preferably, first branch road the 11, second branch road the 12, the 3rd branch road 13 and the respective two ends being positioned at outside cold thermal storage device 4 of the 4th branch road 14 are respectively arranged with described valve. As shown in fig. 1, first branch road 11 is positioned at the two ends outside cold thermal storage device 4 and is respectively arranged with the first valve 15 and the second valve 16, same, second branch road 12 is provided with the 3rd valve 17 and the 4th valve 18,3rd branch road 13 is provided with the 5th valve 19 and the 6th valve 20, the 4th branch road 14 is provided with the 7th valve 21 and the 8th valve 22. By arranging two valves on each branch road, can prevent coolant or refrigerating medium from entering into the heat accumulation portion at each branch road place or storing up the loss causing heat or cold in cold portion when each branch road does not work.
In present embodiment, indoor heat exchanger includes the multiple of parallel connection, and namely this air conditioning system is multi-split air conditioner. As shown in Figure 1, indoor heat exchanger includes the first indoor heat exchanger the 6, second indoor heat exchanger 7 and the 3rd indoor heat exchanger 8 being arranged in parallel, refrigerating medium can flow to multiple indoor heat exchangers of parallel connection simultaneously, multiple indoor heat exchangers to be heated or to freeze simultaneously.
For controlling cold or the heat of each indoor heat exchanger, in present embodiment, corresponding each indoor heat exchanger is respectively arranged with to control to flow to the flow control valve of the refrigerating medium flow of described indoor heat exchanger. As shown in fig. 1, corresponding first indoor heat exchanger 6 is provided with first-class control valve 23, and corresponding second indoor heat exchanger 7 is provided with second control valve 24 and corresponding 3rd indoor heat exchanger 8 is provided with the 3rd flow control valve 25.
Additionally, pipeline between outdoor heat exchanger and cold thermal storage device 4 is provided with the circulating pump 9 so that described refrigerating medium circulates, so that refrigerating medium circulates between indoor heat exchanger and cold thermal storage device 4. Circulating pump 9 is preferably provided on the total road between the indoor heat exchanger of multiple parallel connection and the 3rd branch road 13 and the 4th branch road 14 of parallel connection, with in heating closed circuit and all can use same circulating pump 9 in refrigeration cycle.
The detailed process that air conditioning system in present embodiment is run is as follows:
1, heating mode:
Open the first valve 15 and the second valve 16, and close the 3rd valve 17 and the 4th valve 18, the heat accumulation portion 41 of cold thermal storage device 4 is entered into from the cold media gas of compressor 1 High Temperature High Pressure out along the first branch road 11, heat accumulation portion 41 discharges heat, thus heat being stored in heat accumulation portion 41, from heat accumulation portion 41, coolant out enters into expansion valve 3 along the first branch road 11 again, after expanded valve 3 adiabatic throttling, inlet chamber external heat exchanger 2 absorbs heat, return to compressor 1, then heat accumulation portion 41 is entered from compressor 1 along the first branch road 11 again, so circulation, heat is stored in heat accumulation portion 41.
When indoor need to heat, 5th valve 19 and the 6th valve 20 are opened, 7th valve 21 and the 8th valve 22 are closed, circulating pump 9 starts, refrigerating medium circulates between indoor heat exchanger and heat accumulation portion 41, to absorb the heat of heat accumulation portion 41 storage and to enter into the release of each indoor heat exchanger, for indoor heating. The flow of first-class control valve 23, second control valve 24 and the 3rd flow control valve 25 according to the heat of indoor needs, can be regulated simultaneously.
2, refrigeration mode:
Close the first valve 15 and the second valve 16, and open the 3rd valve 17 and the 4th valve 18, after compressor 1 High Temperature High Pressure cold media gas inlet chamber external heat exchanger 2 heat release out, decrease temperature and pressure in expansion valve 3, then the cold portion 42 of storage of cold thermal storage device 4 is entered along the second branch road 12, from storing up, cold portion 42 absorbs heat, so that store up cold portion 42 to store cold, return to compressor 1 along the second branch road 12 again from the cold portion 42 of storage coolant out to be compressed, so circulation, cold is stored in the cold portion 42 of storage.
When indoor need to freeze, 5th valve 19 and the 6th valve 20 are closed, 7th valve 21 and the 8th valve 22 are opened, circulating pump 9 starts, refrigerating medium circulates between indoor heat exchanger and heat accumulation portion 41, storing up the cold release of cold portion 41 storage, cold is brought in each indoor heat exchanger by refrigerating medium, for indoor cooling. The flow of first-class control valve 23, second control valve 24 and the 3rd flow control valve 25 according to the cold of indoor needs, can be regulated simultaneously.
Should it will be appreciated that when air conditioning system is only refrigeration mode or when only having the system of heating mode, can only arrange storage cold portion or only arrange heat accumulation portion.
Introduce cold thermal storage device 4 in present embodiment in detail below.
In present embodiment, the heat accumulation portion 41 of cold thermal storage device 4 is provided with the phase-change heat-storage material for storing heat, stores up the cooling storage material being provided with in cold portion 42 for storing cold.
Concrete, as shown in Figure 1, cold thermal storage device 4 includes housing 43, housing 43 is provided with described enclosure interior cavity is divided into two-part thermal insulation layer 44, the cavity of thermal insulation layer 44 side is provided with phase-change heat-storage material and forms described heat accumulation portion 41, and opposite side is provided with cooling storage material and forms the cold portion 42 of described storage.
Preferably, described heat accumulation portion 41 includes multiple heat accumulation ball, and each heat accumulation bag draws together spherical shell, and described phase-change heat-storage material is arranged in described spherical shell, and heat accumulation portion 41 is by the form storing heat of multiple heat accumulation balls; The cold portion of described storage 42 includes the cold ball of multiple storage, and each cold bag of described storage draws together spherical shell, and described cooling storage material is also filled in described spherical shell, stores up cold portion 42 and stores cold by the form of the cold ball of multiple storages.
Space can be reserved with in heat accumulation ball and Chu Lengqiu, use for phase-change heat-storage material therein and cooling storage material deformed dilation. Preferably, this headspace is approximately the 10% of ball interior gross space.
It is 9:1 that described phase-change heat-storage material preferably employs the volume ratio of the mixture of paraffin and metallic copper powder, described paraffin therein and described metallic copper powder, but is not limited to 9:1.
Described cooling storage material preferably employs CO2Hydrate, CO therein2Mass ratio be preferably 20%, but be not limited to 20%.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing; but; the present invention is not limited to the detail in above-mentioned embodiment; in the technology concept of the present invention; technical scheme can being carried out multiple simple variant, these simple variant belong to protection scope of the present invention.
It is further to note that, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, it is possible to be combined by any suitable mode, in order to avoid unnecessary repetition, various possible compound modes are no longer illustrated by the present invention separately.
Additionally, can also carry out combination in any between the various different embodiment of the present invention, as long as it is without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (14)
1. an air conditioning system, including compressor (1), outdoor heat exchanger (2), expansion valve (3) and indoor heat exchanger, it is characterized in that, described air conditioning system also includes can the cold thermal storage device (4) of storing heat;
Described compressor (1), described outdoor heat exchanger (2), described expansion valve (3) and described cold thermal storage device (4) are sequentially connected with by being loaded with the pipeline of coolant, formed and can sequentially pass through described outdoor heat exchanger (2) from described compressor (1) coolant out, described expansion valve (3) and described cold thermal storage device (4) are so that described coolant can the storage SAPMAC method loop of evaporation endothermic in described cold thermal storage device (4), or formed and can sequentially pass through described cold thermal storage device (4) from described compressor (1) coolant out, described expansion valve (3) and described outdoor heat exchanger (2) are so that described coolant can the heat accumulation closed circuit of heat release in described cold thermal storage device (4),
Described cold thermal storage device (4) is also connected by the pipeline being loaded with refrigerating medium with described indoor heat exchanger, so that the described refrigerating medium cold that can circulate between described cold thermal storage device (4) and described indoor heat exchanger and make described cold thermal storage device (4) store or heat are absorbed by described refrigerating medium and be transferred in described indoor heat exchanger release.
2. air conditioning system according to claim 1, it is characterized in that, described air conditioning system also includes cross valve (5), and described cross valve (5) has the 3rd interface (53) that the second interface (52) that the first interface (51) that the outlet with described compressor (1) is connected is connected is connected with described outdoor heat exchanger (2) and the 4th interface (54) being connected with described cold thermal storage device (4) with the entrance of described compressor (1);
Described cold thermal storage device (4) includes the heat accumulation portion (41) for storing heat and for storing the cold portion of storage (42) of cold, described 4th interface (54) of described cross valve (5) is connected to the first branch road (11) and second branch road (12) of parallel connection, described first branch road (11) is through described heat accumulation portion (41) and is connected with described expansion valve (3) so that the described coolant in described heat accumulation closed circuit is along described first branch road (11) the described heat accumulation portion (41) through described cold thermal storage device (4); Described second branch road (12) is connected through the cold portion of described storage (42) and with described expansion valve (3) so that the described coolant in described storage SAPMAC method loop is along described second branch road (12) the cold portion of described storage (42) through described cold thermal storage device (4);
Described indoor heat exchanger is connected to the 3rd branch road (13) through described heat accumulation portion (41), heats closed circuit with what form that described refrigerating medium can circulate between described indoor heat exchanger and described heat accumulation portion (41); Described indoor heat exchanger is also associated with fourth branch road (14) arranged side by side with described 3rd branch road (13), described 4th branch road (14) is through the cold portion of described storage (42), to form the refrigeration cycle that described refrigerating medium can circulate between described indoor heat exchanger and the cold portion of described storage (42);
Described first branch road (11), described second branch road (12), described 3rd branch road (13) and described 4th branch road (14) are respectively arranged with to control the valve of break-make.
3. air conditioning system according to claim 2, it is characterized in that, the respective two ends being positioned at described cold thermal storage device (4) outside of described first branch road (11), described second branch road (12), described 3rd branch road (13) and described 4th branch road (14) are respectively arranged with described valve.
4. air conditioning system according to claim 2, it is characterized in that, described first branch road (11), described second branch road (12), described 3rd branch road (13) and the described 4th respective part being arranged in described cold thermal storage device of branch road (14) repeatedly bend respectively and form bending structure.
5. air conditioning system according to claim 2, it is characterised in that be provided with the circulating pump (9) so that described refrigerating medium circulates on the pipeline between described outdoor heat exchanger and described cold thermal storage device (4).
6. air conditioning system according to claim 2, it is characterised in that it is multiple that described indoor heat exchanger includes being arranged in parallel.
7. air conditioning system according to claim 6, it is characterised in that corresponding each described indoor heat exchanger is respectively arranged with to control to flow to the flow control valve of the refrigerating medium flow of described indoor heat exchanger.
8. the air conditioning system according to any one in claim 2-7, it is characterised in that be provided with phase-change heat-storage material in described heat accumulation portion (41), be provided with cooling storage material in the cold portion of described storage (42).
9. according to Claim 8 in air conditioning system described in any one, it is characterized in that, described cold thermal storage device (4) includes housing (43), described housing (43) is provided with described enclosure interior cavity is divided into two-part thermal insulation layer (44), the cavity of described thermal insulation layer (44) side is provided with described phase-change heat-storage material and forms described heat accumulation portion (41), and opposite side is provided with described cooling storage material and forms the cold portion of described storage (42).
10. air conditioning system according to claim 8, it is characterised in that described phase-change heat-storage material adopts the mixture of paraffin and metallic copper powder.
11. air conditioning system according to claim 10, it is characterised in that the volume ratio of paraffin described in described phase-change heat-storage material and described metallic copper powder is 9:1.
12. air conditioning system according to claim 8, it is characterised in that described cooling storage material adopts CO2Hydrate.
13. air conditioning system according to claim 12, it is characterised in that CO in described cooling storage material2Mass ratio be 20%.
14. air conditioning system according to claim 8, it is characterised in that described heat accumulation portion (41) includes multiple heat accumulation ball, each described heat accumulation bag draws together the described phase-change heat-storage material filled in spherical shell and described spherical shell; The cold portion of described storage (42) includes the cold ball of multiple storage, and each cold bag of described storage draws together the described cooling storage material filled in spherical shell and described spherical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610021903.7A CN105650783A (en) | 2016-01-12 | 2016-01-12 | Air conditioner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610021903.7A CN105650783A (en) | 2016-01-12 | 2016-01-12 | Air conditioner system |
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| CN105650783A true CN105650783A (en) | 2016-06-08 |
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| CN201610021903.7A Pending CN105650783A (en) | 2016-01-12 | 2016-01-12 | Air conditioner system |
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| CN109764507A (en) * | 2019-01-09 | 2019-05-17 | 青岛海尔空调器有限总公司 | A kind of control method of energy resource system |
| CN109883056A (en) * | 2019-01-09 | 2019-06-14 | 青岛海尔空调器有限总公司 | A kind of control method of energy resource system |
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Application publication date: 20160608 |