CN103925729A - Air conditioning system and central air conditioner comprising same - Google Patents
Air conditioning system and central air conditioner comprising same Download PDFInfo
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- CN103925729A CN103925729A CN201310015379.9A CN201310015379A CN103925729A CN 103925729 A CN103925729 A CN 103925729A CN 201310015379 A CN201310015379 A CN 201310015379A CN 103925729 A CN103925729 A CN 103925729A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 98
- 239000003507 refrigerant Substances 0.000 claims abstract description 171
- 238000001816 cooling Methods 0.000 claims abstract description 118
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 355
- 230000008676 import Effects 0.000 claims description 86
- 239000012530 fluid Substances 0.000 claims description 25
- 239000002351 wastewater Substances 0.000 claims description 18
- 239000002689 soil Substances 0.000 claims description 16
- 238000004065 wastewater treatment Methods 0.000 claims description 11
- 230000007812 deficiency Effects 0.000 claims description 6
- 239000008236 heating water Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 description 19
- 230000006835 compression Effects 0.000 description 12
- 238000007906 compression Methods 0.000 description 12
- 239000007788 liquid Substances 0.000 description 7
- 230000005494 condensation Effects 0.000 description 6
- 238000009833 condensation Methods 0.000 description 6
- 239000010865 sewage Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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Abstract
The invention provides an air conditioning system and a central air conditioner comprising the same. Wherein, air conditioning system includes: the water-cooled heat exchanger is provided with a first refrigerant inlet and a second refrigerant outlet; the air-cooled heat exchanger is provided with a third refrigerant inlet and outlet and a fourth refrigerant inlet and outlet; the compressor is provided with a refrigerant inlet and a refrigerant outlet, and the refrigerant outlet of the compressor is selectively communicated with the first refrigerant inlet and outlet and/or the third refrigerant inlet and outlet; the first end of the throttling device is communicated with the second refrigerant inlet and outlet and/or the fourth refrigerant inlet and outlet; and the user side heat exchanger is provided with a fifth refrigerant inlet and outlet and a sixth refrigerant inlet and outlet, the fifth refrigerant inlet and outlet of the user side heat exchanger is communicated with the second end of the throttling device, and the sixth refrigerant inlet and outlet of the user side heat exchanger is communicated with the refrigerant inlet of the compressor. The invention can simultaneously use the water-cooling heat exchanger and the air-cooling heat exchanger.
Description
Technical field
The present invention relates to air-conditioning technical field, in particular to a kind of air-conditioning system and comprise the central air-conditioning of this system.
Background technology
Energy and environment are two large problems that the world today faces.Renewable Energy Development and heat recovery are the requirements of optimizing China's energy resource structure and improving environmental quality, have become indispensable important component part in China's strategy of sustainable development.The existing air-conditioning system that comprises three-effect multi-source heat energy pump unit, utilizes light water cold heat exchanger, air cooling heat exchanger heat exchange, carries out cooling or heat supply.By magnetic valve, realize the switching of refrigerant flow path, use summer water cooling heat exchanger as condenser, utilize low-temperature water source to freeze, use in winter air cooling heat exchanger heats as evaporimeter.But water cooling heat exchanger and air cooling heat exchanger cannot be opened simultaneously, cause air-source and other water sources not to utilize simultaneously, also cannot realize effective compound use of multiple Cooling and Heat Source.
Summary of the invention
The present invention aims to provide a kind of central air-conditioning that can use the air-conditioning system of water cooling heat exchanger and air cooling heat exchanger simultaneously and comprise this system.
To achieve these goals, according to an aspect of the present invention, provide a kind of air-conditioning system, having comprised: water cooling heat exchanger, has been provided with the first refrigerant import and export and the second refrigerant and has imported and exported; Air cooling heat exchanger, is provided with the 3rd refrigerant import and export and the 4th refrigerant and imports and exports; Compressor, is provided with refrigerant import and refrigerant exit, and the refrigerant exit of compressor is optionally communicated with the first refrigerant import and export and/or the 3rd refrigerant is imported and exported; Throttling arrangement, the first end of throttling arrangement is communicated with the second refrigerant import and export and/or the 4th refrigerant is imported and exported; And user's side heat exchanger, user's side heat exchanger is provided with the 5th refrigerant import and export, the 6th refrigerant is imported and exported, the 5th refrigerant of user's side heat exchanger is imported and exported the second end that is communicated with throttling arrangement, and the 6th refrigerant of user's side heat exchanger is imported and exported the refrigerant import that is communicated with compressor.
Further, the 6th refrigerant of user's side heat exchanger is imported and exported and is optionally communicated with the refrigerant import of compressor or the refrigerant exit of compressor; The first refrigerant is imported and exported and is optionally communicated with the refrigerant import of compressor or the refrigerant exit of compressor; And the 3rd refrigerant import and export and to be optionally communicated with the refrigerant import of compressor or the refrigerant exit of compressor.
Further, throttling arrangement comprises: first throttle element to be opened/closed, is connected in parallel with the first check valve of opening towards the second end of throttling arrangement; And second section fluid element to be opened/closed, be connected in series with first throttle element and be connected in parallel with the second check valve that the direction of first end towards throttling arrangement is opened.
Further, second section fluid element is connected between first throttle element and user's side heat exchanger, and air-conditioning system also comprises the high pressure fluid reservoir being connected between first throttle element and second section fluid element.
Further, air-conditioning system also comprises cold and heat source system, and cold and heat source system is optionally communicated with water cooling heat exchanger and/or air cooling heat exchanger and carries out heat exchange with water cooling heat exchanger and/or air cooling heat exchanger.
Further, cold and heat source system comprises soil energy system, air cooling heat exchanger is air-cooled sleeve pipe finned heat exchanger, air-cooled sleeve pipe finned heat exchanger comprises water layer sleeve pipe, is set in the refrigerant sleeve pipe of water layer outside of sleeve and the fin that is positioned at refrigerant jacket exterior, water layer sleeve pipe is provided with air-cooled water inlet and air-cooled delivery port, air-cooled water inlet is communicated with the delivery port of soil energy system, air-cooled delivery port is communicated with the water inlet of soil energy system, and the water in the refrigerant in refrigerant sleeve pipe and water layer sleeve pipe carries out heat exchange.
Further, cold and heat source system comprises wind energy system, and wind energy system comprises blower fan, and air cooling heat exchanger is communicated with blower fan, air under fan action with air cooling heat exchanger in medium carry out heat exchange.
Further, cold and heat source system comprises waste water source system and/or solar energy system, water cooling heat exchanger is provided with the first water inlet and the first delivery port, the first water inlet is optionally communicated with the delivery port of waste water source system and/or the delivery port of solar energy system, and the first delivery port is optionally communicated with the water inlet of waste water source system and/or the water inlet of solar energy system.
Further, waste water source system comprises the storage cistern for collecting the water after Waste Water Treatment is processed, the water treatment facilities being communicated with storage cistern, the first water pump being communicated with the delivery port of water treatment facilities, wherein, the first water inlet of water cooling heat exchanger can be opened and closed to be communicated with the delivery port of the first water pump, and the first delivery port and the Waste Water Treatment of water cooling heat exchanger can be opened and closed to be communicated with.
Further, waste water source system also comprises primary heat exchanger and the second water pump being communicated with between water cooling heat exchanger and the first water pump, the second water pump is arranged between primary heat exchanger and water cooling heat exchanger, in primary heat exchanger, be provided with heat transferring medium, the 3rd delivery port that primary heat exchanger is provided with the second delivery port being communicated with the first water inlet of water cooling heat exchanger, the second water inlet being communicated with the first delivery port of water cooling heat exchanger, the 3rd water inlet being communicated with the delivery port of the first water pump and is communicated with the water inlet of Waste Water Treatment.
Further, solar energy system comprises for collecting solar energy with the solar thermal collector of heating water, the hot water storage tank being communicated with the outlet of solar thermal collector and the 3rd water pump that is communicated with the import of solar thermal collector, wherein, the first water inlet of water cooling heat exchanger can be opened and closed to be communicated with the delivery port of hot water storage tank, and the first delivery port of water cooling heat exchanger can be opened and closed to be communicated with the water inlet of the 3rd water pump.
Further, air-conditioning system also comprises cold and heat source system and hot water supply system, and hot water supply system is included as the water supply tank that user provides domestic hot-water, and cold and heat source system is communicated with water supply tank, to water supply tank, provides domestic hot-water.
Further, cold and heat source system comprises solar energy system, solar energy system comprises for collecting solar energy with the solar thermal collector of heating water, the hot water storage tank being communicated with the outlet of solar thermal collector and the 3rd water pump that is communicated with the import of solar thermal collector, the water inlet of water supply tank can be opened and closed to be communicated with hot water storage tank, and the delivery port of water supply tank can be opened and closed to be communicated with the 3rd water pump.
Further, between hot water storage tank and water supply tank, be communicated with auxiliary heater, auxiliary heater has the in the situation that of solar heat collector to supply heat deficiency, the state that the water in water supply tank is heated.
Further, air-conditioning system also comprises heat recovering heat exchanger, heat recovering heat exchanger is provided with refrigerant import and refrigerant exit, the refrigerant import of heat recovering heat exchanger is communicated with the refrigerant exit of compressor, the refrigerant exit of heat recovering heat exchanger is optionally communicated with the first refrigerant import and export and/or the 3rd refrigerant is imported and exported, or is communicated with the 6th refrigerant import and export of user's side heat exchanger.
Further, air-conditioning system also comprises hot water supply system, hot water supply system is included as the water supply tank that user provides domestic hot-water, heat recovering heat exchanger is also provided with water inlet and delivery port, the delivery port of heat recovering heat exchanger can be opened and closed to be communicated with the water inlet of water supply tank, the water inlet of heat recovering heat exchanger can be opened and closed to be communicated with the delivery port of water supply tank, to heat the water in water supply tank.
Further, between the delivery port of heat recovering heat exchanger and water supply tank, be communicated with auxiliary heater, auxiliary heater has the in the situation that of heat recovering heat exchanger heat supply deficiency, the state that the water in water supply tank is heated.
Further, user's side heat exchanger is provided with heat exchange water inlet and heat exchange delivery port, the air conditioning terminal of air-conditioning is provided with water inlet and delivery port, and the water inlet of air conditioning terminal is communicated with the heat exchange delivery port of user's side heat exchanger, and the delivery port of air conditioning terminal is communicated with the heat exchange water inlet of user's side heat exchanger.
According to a further aspect in the invention, provide a kind of central air-conditioning, had air-conditioning system, wherein, air-conditioning system comprises above-mentioned air-conditioning system.
Apply air-conditioning system of the present invention and comprise the central air-conditioning of this system, by the refrigerant exit of compressor is optionally communicated with, the first refrigerant of water cooling heat exchanger is imported and exported and/or the 3rd refrigerant of air cooling heat exchanger is imported and exported, and utilize throttling arrangement to import and export and be communicated with the second refrigerant import and export of water cooling heat exchanger and/or the 4th refrigerant of air cooling heat exchanger, thereby be communicated with user's side heat exchanger, and be finally communicated with the refrigerant import of compressor.Adopt this structure, simultaneously open water cold heat exchanger and air cooling heat exchanger.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of air-conditioning system according to an embodiment of the invention.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
As shown in Figure 1, according to embodiments of the invention air-conditioning system, comprise water cooling heat exchanger 6, air cooling heat exchanger 33, compressor 15, throttling arrangement and user's side heat exchanger 12.Wherein, water cooling heat exchanger 6 is provided with the first refrigerant and imports and exports the 62 and second refrigerant import and export 64; Air cooling heat exchanger 33 is provided with the 3rd refrigerant and imports and exports the 331 and the 4th refrigerant import and export 332; Compressor 15 is provided with refrigerant import and refrigerant exit, and the refrigerant exit of compressor 15 is optionally communicated with the first refrigerant and imports and exports the 62 and/or the 3rd refrigerant import and export 331; The first end of throttling arrangement is communicated with the second refrigerant and imports and exports the 64 and/or the 4th refrigerant import and export 332; User's side heat exchanger 12 is communicated with air conditioning terminal, user's side heat exchanger 12 is provided with the 5th refrigerant and imports and exports the 124, the 6th refrigerant import and export 122, the 5th refrigerant of user's side heat exchanger 12 is imported and exported the second end of 124 connection throttling arrangements, and the 6th refrigerant of user's side heat exchanger 12 is imported and exported the refrigerant import of 122 connection compressors 15.
The air-conditioning system of the present embodiment, by the refrigerant exit of compressor 15 being optionally communicated with to the first refrigerant import and export 62 of water cooling heat exchanger 6 and/or the 3rd refrigerant of air cooling heat exchanger 33, import and export 331, and utilize the second refrigerant import and export 64 of throttling arrangement and water cooling heat exchanger 6 and/or the 4th refrigerant import and export 332 of air cooling heat exchanger 33 to be communicated with, and then be communicated with further user's side heat exchanger 12, and be finally communicated with the refrigerant import of compressor 15.Adopt this structure, open water cold heat exchanger 6 and air cooling heat exchanger 33 are to carry out cooling to air conditioning terminal 19 simultaneously.
Preferably, in the air-conditioning system of the present embodiment, the 6th refrigerant of user's side heat exchanger 12 is imported and exported 122 and is optionally communicated with the refrigerant import of compressor 15 or the refrigerant exit of compressor 15; The first refrigerant is imported and exported 62 and is optionally communicated with the refrigerant import of compressor 15 or the refrigerant exit of compressor 15; The 3rd refrigerant is imported and exported 331 and is optionally communicated with the refrigerant import of compressor 15 or the refrigerant exit of compressor 15.Adopt the air-conditioning system of the present embodiment, when the 6th refrigerant import and export 122 of user's side heat exchanger 12 are communicated with the refrigerant exit of compressor 15, refrigerant is imported and exported 124 through 12 heat exchange of user's side heat exchanger by the 5th refrigerant and is flowed out through throttling arrangement, through the refrigerant import of water cooling heat exchanger 6 and/or air cooling heat exchanger 33 inflow compressors 15, to complete, heat circulation again.When the 6th refrigerant import and export 122 of user's side heat exchanger 12 are communicated with the refrigerant import of compressor 15, refrigerant flows out through the refrigerant exit of compressor 15, optionally flow through again water cooling heat exchanger 6 and/or air cooling heat exchanger 33, through 12 heat exchange of the laggard access customer side of throttling arrangement heat exchanger, by the 6th refrigerant, importing and exporting 122 again flows out, and then the refrigerant import of inflow compressor 15, to complete kind of refrigeration cycle.
Preferably, throttling arrangement comprises first throttle element 7 to be opened/closed and second section fluid element 8 to be opened/closed.Wherein, first throttle element 7 is connected in parallel with the first check valve 9 of opening towards the second end of throttling arrangement; Second section fluid element to be opened/closed 8 is connected in series with first throttle element 7 and is connected in parallel with the second check valve 10 that the direction of first end towards throttling arrangement is opened.Preferably, second section fluid element 8 is connected between first throttle element 7 and user's side heat exchanger 12, air-conditioning system also comprises the high pressure fluid reservoir 11 being connected between first throttle element 7 and second section fluid element 8, and the refrigerant entrance point of compressor 15 is communicated with gas-liquid separator 14.Preferably, air-conditioning system also comprises heat recovering heat exchanger 16, heat recovering heat exchanger 16 is provided with refrigerant import and refrigerant exit, the refrigerant import of heat recovering heat exchanger 16 is communicated with the refrigerant exit of compressor 15, the refrigerant exit of heat recovering heat exchanger 16 is optionally communicated with the first refrigerant and imports and exports the 62 and/or the 3rd refrigerant import and export 331, or is communicated with the 6th refrigerant import and export 122 of user's side heat exchanger 12.Preferably, user's side heat exchanger 12 is provided with heat exchange water inlet 121 and heat exchange delivery port 123, air-conditioning system also comprises air conditioning terminal 19, air conditioning terminal 19 is provided with water inlet and delivery port, the water inlet of air conditioning terminal 19 is communicated with the heat exchange delivery port 123 of user's side heat exchanger 12, and the delivery port of air conditioning terminal 19 is communicated with the heat exchange water inlet 121 of user's side heat exchanger 12.
The air-conditioning system that adopts the present embodiment, the circulatory system of its cold and heat supply is as follows:
1, cooling pattern
(1) water-cooled pattern
Cross valve 13 power-off, first throttle element 7 is closed, and electromagnetic valve of flow control 28e, f side are open-minded.Refrigerant is after compressor 15 compressions, flow through after B, A side, the e of electromagnetic valve of flow control 28, the f side of heat recovering heat exchanger 16, cross valve 13 enters water cooling heat exchanger 6 condensations and by the first check valve 9, high pressure fluid reservoir 11, second section fluid element 8, enter user's side heat exchanger 12 successively, at user's side heat exchanger 12, carrying out heat exchange produces after cold water, C, the D side of cross valve 13 of flowing through sucked by the refrigerant import of compressor 15 after gas-liquid separator 14, after compressor 15 compressions, participated in circulation next time; The chilled water that main frame makes enters air conditioning terminal 19 and carries out cooling, then by the 6th water pump 24, enters user's side heat exchanger 12 and carries out next cooling circulation.
(2) air-cooled heat exchange pattern
Cross valve 13 power-off, first throttle element 7 is closed, and the e of electromagnetic valve of flow control 28, g side are open-minded.Refrigerant is after compressor 15 compressions, flow through A, B side, the e of electromagnetic valve of flow control 28, the g side of cross valve 13, after entering air cooling heat exchanger 33 condensations, by the first check valve 9, high pressure fluid reservoir 11, second section fluid element 8, enter user's side heat exchanger 12 successively, at user's side heat exchanger 12, carrying out heat exchange produces after cold water, C, the D side of cross valve 13 of flowing through sucked by the refrigerant import of compressor 15 after gas-liquid separator 14, after compressor 15 compressions, participated in circulation next time; The chilled water that main frame makes enters air conditioning terminal 19 and carries out cooling, then by the 6th water pump 24, enters user's side heat exchanger 12 and carries out next cooling circulation.
(3) water-cooled+air-cooled heat exchange pattern
Cross valve 13 power-off, first throttle element 7 is closed, and the e of electromagnetic valve of flow control 28, f, g side are open-minded, regulate according to demand each side aperture.Refrigerant is after compressor 15 compressions, flow through after A, the B side of heat recovering heat exchanger 16, cross valve 13 enters water cooling heat exchanger 6 and air cooling heat exchanger 33 condensations and by the first one-way cock 9, high pressure fluid reservoir 11, second section fluid element 8, enter user's side heat exchanger 12 successively, at user's side heat exchanger 12, carrying out heat exchange produces after cold water, C, the D side of cross valve 13 of flowing through sucked by the refrigerant import of compressor 15 after gas-liquid separator 14, after compressor 15 compressions, participated in circulation next time; The chilled water that main frame makes enters air conditioning terminal 19 and carries out cooling, then by the 6th water pump 24, enters user's side heat exchanger 12 and carries out next cooling circulation.
2, heating mode
(1) water-cooled pattern
Cross valve 13 energising, second section fluid element 8 is closed, and the f of electromagnetic valve of flow control 28, e side are open-minded.Refrigerant is after compressor 15 compressions, flow through after B, the C side of heat recovering heat exchanger 16, cross valve 13 enters 12 condensations of user's side heat exchanger and produce air conditioning hot, then by the second check valve 10, high pressure fluid reservoir 11, first throttle element 7, enter flow through A, the D side of cross valve 13 of water cooling heat exchanger 6 successively and by the refrigerant import of compressor 15, sucked after gas-liquid separator 14, after compressor 15 compressions, participated in circulation next time; The hot water that main frame makes enters air conditioning terminal 19 and heats, and then by the 6th water pump 24, enters user's side heat exchanger 12 and carries out next heating circulation.
(2) air-cooled heat exchange pattern
Main frame operation heating mode two: i.e. cross valve 13 energisings, second section fluid element 8 is closed, and the g of electromagnetic valve of flow control 28, e side are open-minded.Cold-producing medium is after compressor 15 compressions, flow through after B, the C side of heat recovering heat exchanger 16, cross valve 13 enters 12 condensations of user's side heat exchanger and produce air conditioning hot, then by the second check valve 10, high pressure fluid reservoir 11, first throttle element 7, enter air cooling heat exchanger 33 through A, the D side of cross valve 13 successively, after gas-liquid separator 14, by the refrigerant import of compressor 15, sucked again, after compressor 15 compressions, participated in circulation next time; The hot water that main frame makes enters air conditioning terminal 19 and carries out heat supply, then by the 6th water pump 24, enters user's side heat exchanger 12 and carries out next heating circulation.
(3) water-cooled+air-cooled heat exchange pattern
Main frame operation heating mode three: i.e. cross valve 13 energisings, second section fluid element 8 is closed, and electromagnetic valve of flow control 28e, f, g side are open-minded, regulate according to demand each side aperture.Refrigerant is after compressor 15 compressions, flow through after B, the C side of heat recovering heat exchanger 16, cross valve 13 enters 12 condensations of user's side heat exchanger and produce air conditioning hot, then by the second check valve 10, high pressure fluid reservoir 11, first throttle element 7, enter water cooling heat exchanger 6 and air cooling heat exchanger 33 successively, again through A, the D side of cross valve 13, after gas-liquid separator 14, by the refrigerant import of compressor 15, sucked, after compressor 15 compressions, participated in circulation next time; The hot water that main frame makes enters air conditioning terminal 19 and carries out heat supply, then by the 6th water pump 24, enters user's side heat exchanger 12 and carries out next heating circulation.
Preferably, the air-conditioning system of the present embodiment also comprises cold and heat source system, and cold and heat source system is optionally communicated with water cooling heat exchanger 6 and/or air cooling heat exchanger 33 to carry out heat exchange with water cooling heat exchanger 6 and/or air cooling heat exchanger 33.
Preferably, the cold and heat source system in embodiments of the invention is one or more forms in solar energy system, soil energy system, waste water source system and wind energy system.Wherein in solar energy system, the mode of utilizing of solar energy is preferably heat collector form, specifically can be flat plate collector, glass vacuum pipe heat collector, U-shaped tube type vacuum pipe heat collector etc.; In soil energy system soil can utilize form for ground heat exchanger, specifically can be the forms such as vertical U-type pipe laying, horizontal coiled pipe, stake pipe laying or continuous helical pipe laying; Waste water source in waste water source system can be sanitary sewage, industrial wastewater, oilfield sewage etc.; Wind energy in wind energy system utilize form for air cooling fin formula heat exchanger.
Preferably, in the air-conditioning system of the present embodiment, cold and heat source system comprises soil energy system, soil energy system preferably includes the geography pipe 2 for intraductal heat exchange medium and soil are carried out to heat exchange, air cooling heat exchanger 33 is air-cooled sleeve pipe finned heat exchanger, air-cooled sleeve pipe finned heat exchanger comprises water layer sleeve pipe, be set in the refrigerant sleeve pipe of water layer outside of sleeve and the fin that is positioned at refrigerant jacket exterior, water layer sleeve pipe is provided with air-cooled water inlet 333 and air-cooled delivery port 334, air-cooled water inlet 333 is communicated with the delivery port of soil energy system, air-cooled delivery port 334 is communicated with the water inlet of soil energy system, water in refrigerant in refrigerant sleeve pipe and water layer sleeve pipe carries out heat exchange.Preferably, between the delivery port of geographical pipe 2 and air-cooled water inlet 333, be communicated with the 4th water pump 23.
Preferably, in the air-conditioning system of the present embodiment, cold and heat source system comprises wind energy system, and wind energy system comprises blower fan, and air cooling heat exchanger 33 is communicated with blower fan, air under fan action with air cooling heat exchanger 33 in medium carry out heat exchange.Preferably, the air cooling heat exchanger in the present embodiment 33 is air-cooled sleeve pipe finned heat exchanger.The structure that adopts the present embodiment, outside air, under the effect of blower fan, carries out forced-convection heat transfer with the refrigerant of air-cooled sleeve pipe finned heat exchanger outer tunnel.
Preferably, in the air-conditioning system of the present embodiment, cold and heat source system comprises waste water source system and/or solar energy system, water cooling heat exchanger 6 is provided with the first water inlet 63 and the first delivery port 61, the first water inlet 63 is optionally communicated with the delivery port of waste water source system and/or the delivery port of solar energy system, and the first delivery port 61 is optionally communicated with the water inlet of waste water source system and/or the water inlet of solar energy system.
Preferably, waste water source system comprises the storage cistern for collecting the water after Waste Water Treatment is processed, the water treatment facilities 1 being communicated with storage cistern, the first water pump 20 being communicated with the delivery port of water treatment facilities 1, wherein, the first water inlet 63 of water cooling heat exchanger 6 can be opened and closed to be communicated with the delivery port of the first water pump 20, and the first delivery port 61 of water cooling heat exchanger 6 can be opened and closed to be communicated with Waste Water Treatment.Preferably, waste water source system also comprises that the primary heat exchanger 3(being communicated with between water cooling heat exchanger 6 and the first water pump 20 is as plate type heat exchanger) and the second water pump 21, the second water pump 21 is arranged between primary heat exchanger 3 and water cooling heat exchanger 6, in primary heat exchanger 3, be provided with heat transferring medium, primary heat exchanger 3 is provided with the second delivery port being communicated with the first water inlet 63 of water cooling heat exchanger 6, the second water inlet being communicated with the first delivery port 61 of water cooling heat exchanger 6, the 3rd water inlet being communicated with the delivery port of the first water pump 20 and the 3rd delivery port being communicated with the water inlet of Waste Water Treatment.Preferably, solar energy system comprises for collecting solar energy with the solar thermal collector 4 of heating water, the hot water storage tank 5 being communicated with the outlet of solar thermal collector 4 and the 3rd water pump 22 that is communicated with the import of solar thermal collector 4, wherein, the first water inlet 63 of water cooling heat exchanger 6 can be opened and closed to be communicated with the delivery port of hot water storage tank 5, the first delivery port 61 of water cooling heat exchanger 6 can be opened and closed to be communicated with the water inlet of the 3rd water pump 22, to carry out heat exchange in water cooling heat exchanger 6.Preferably, the first delivery port 61 of water cooling heat exchanger 6 can be opened and closed to be communicated with by the import of n, the p end connection solar thermal collector 4 of the first triple valve 26, or can be opened and closed to be communicated with Waste Water Treatment by m, the p end of the first triple valve 26.Preferably, the first water inlet 63 of water cooling heat exchanger 6 can be opened and closed to be communicated with the delivery port of hot water storage tank 5 by c, the b end of the second triple valve 27, or can be opened and closed to be communicated with the delivery port with the first water pump 20 by a, the c end of the second triple valve 27.
Adopt the air-conditioning system of the present embodiment, middle water after Waste Water Treatment enters primary heat exchanger 3 through storage cistern inflow water treatment facilities 1 through the first water pump 20 and carries out heat exchange with intraductal heat exchange medium (as water), intraductal heat exchange medium carries out heat exchange by the second water pump 21, enters water cooling heat exchanger 6 and again carries out heat exchange.
Summary, cold and hot source heat exchanger is comprised of water cooling heat exchanger 6 and air cooling heat exchanger 33.The Cooling and Heat Source that water cooling heat exchanger 6 utilizes is source of sewage and solar energy, and the Cooling and Heat Source that air cooling heat exchanger 33 utilizes is wind energy and soil energy.Above-mentioned four kinds of energy get final product independently again can associated working.
The air-conditioning system of the present embodiment also comprises cold and heat source system and hot water supply system, and hot water supply system is included as the water supply tank 18 that user provides domestic hot-water, and cold and heat source system is communicated with water supply tank 18, to water supply tank 18, provides domestic hot-water.Cold and heat source system preferably includes solar energy system, solar energy system comprises for collecting solar energy with the solar thermal collector 4 of heating water, the hot water storage tank 5 being communicated with the outlet of solar thermal collector 4 and the 3rd water pump 22 that is communicated with the import of solar thermal collector 4, the water inlet of water supply tank 18 can be opened and closed to be communicated with hot water storage tank 5, and the delivery port of water supply tank 18 can be opened and closed to be communicated with the 3rd water pump 22.Preferably, between the water inlet of the water supply tank 18 in the present embodiment and hot water storage tank 5, by the first solar energy electric water valve 32, can be opened and closed to be communicated with, between the delivery port of water supply tank 18 and the 3rd water pump 22, by the second solar energy electric water valve 30, can be opened and closed to be communicated with.
Preferably, in the air-conditioning system of the present embodiment, between hot water storage tank 5 and water supply tank 18, be also communicated with auxiliary heater 17, auxiliary heater 17 has the in the situation that of solar thermal collector 4 heat supply deficiency, the state that the water in water supply tank 18 is heated.
The present embodiment is produced domestic hot-water by solar energy, solar thermal collector 4 connects hot water storage tank 5, open the first solar energy electric water valve 32 and the second solar energy electric water valve 30, through the first solar energy electric water valve 32, electrical auxiliary heater 17, water supply tank 18 domestic hot-water supplies, hot-water heating system backwater enters solar thermal collector 4 circulating-heatings through the second solar energy electric water valve 30, the 3rd water pump 22.When the just energising automatically of electrical auxiliary heater 17 during lower than desired value of the not enough water temperature of solar-heating, heating domestic hot-water makes it to meet serviceability temperature requirement.
Preferably, air-conditioning system also comprises hot water supply system, hot water supply system is included as the water supply tank 18 that user provides domestic hot-water, heat recovering heat exchanger 16 is also provided with water inlet and delivery port, the delivery port of heat recovering heat exchanger 16 can be opened and closed to be communicated with the water inlet of water supply tank 18, the water inlet of heat recovering heat exchanger 16 can be opened and closed to be communicated with the delivery port of water supply tank 18, to heat the water in water supply tank 18.Preferably, between the delivery port of heat recovering heat exchanger 16 and water supply tank 18, be communicated with auxiliary heater 17, auxiliary heater 17 has the in the situation that of heat recovering heat exchanger 16 heat supply deficiency, the state that the water in water supply tank 18 is heated.Preferably, in the present embodiment, the delivery port of heat recovering heat exchanger 16 can be opened and closed the water inlet of UNICOM's auxiliary heater 17 and then connection water supply tank 18 by the first back-water valve (BWV) 31, and the water inlet of heat recovering heat exchanger 16 can be opened and closed to be communicated with the delivery port of water supply tank 18 by the second back-water valve (BWV) 29.Preferably, between the second back-water valve (BWV) 29 and the water inlet of heat recovering heat exchanger 16, be provided with the 5th water pump 25.
In the present embodiment, when needs are produced domestic hot-water by solar energy, solar thermal collector 4 connects hot water storage tank 5, open the first solar energy electric water valve 32 and the second solar energy electric water valve 30, close recuperation of heat dynamoelectric water valve 31, the second back-water valve (BWV) 29, through the first solar energy electric water valve 32, electrical auxiliary heater 17 live-box 18 domestic hot-water supplies of delivering a child, hot-water heating system backwater enters solar thermal collector 4 circulating-heatings through the second solar energy electric water valve 30, the 3rd water pump 22.When the just energising automatically of electrical auxiliary heater 17 during lower than desired value of the not enough water temperature of solar-heating, heating domestic hot-water makes it to meet serviceability temperature requirement.
When needs are produced domestic hot-water by recuperation of heat, through heat recovering heat exchanger 16, open the first back-water valve (BWV) 31 and the second back-water valve (BWV) 29, close the first solar energy electric water valve 32 and the second solar energy electric water valve 30, through the first back-water valve (BWV) 31, electrical auxiliary heater 17 live-box 18 domestic hot-water supplies of delivering a child, hot-water heating system backwater enters heat recovering heat exchanger 16 circulating-heatings through the second back-water valve (BWV) 29, the 5th water pump 25.When the just energising automatically of electrical auxiliary heater 17 during lower than desired value of the not enough water temperatures of heat recovering heat exchanger 16 heat supplies, heating domestic hot-water makes it to meet serviceability temperature requirement.
When needs adopt solar energy to combine hot water preparing with recuperation of heat, above-mentioned solar energy and recuperation of heat not only can be independently but also can associated working.Solar energy is combined hot water preparing with recuperation of heat, i.e. recuperation of heat the first solar energy electric water valve 32, the second solar energy electric water valve 30, the first back-water valve (BWV) 31 and the second back-water valve (BWV) 29 are all opened, and above-mentioned two loops are all communicated with.When the just energising automatically of electrical auxiliary heater 17 during lower than desired value of the not enough water temperature of recuperation of heat and solar-heating, heating domestic hot-water makes it to meet serviceability temperature requirement.
Air-conditioning system of the present invention can effectively utilize cold or the heat in air, sewage, solar energy and soil to carry out system for cold-peace heat supply.System architecture is simple, by the shunting of refrigerant, water cooling heat exchanger 6 and air cooling heat exchanger 33, in a cover system, just can realize heat exchange in 4 kinds of media, having solved when many Cooling and Heat Source are utilized often needs a few cover units to carry out the problem of complex combination, save engineering initial cost, reduce operating cost and maintenance cost, system energy efficiency is high, operational management is convenient.
The present invention also provides a kind of central air-conditioning, has air-conditioning system, and wherein, air-conditioning system comprises above-mentioned air-conditioning system.
From above description, can find out, air-conditioning system of the present invention and comprise the central air-conditioning of this system, by the refrigerant exit of compressor 15 being optionally communicated with to the first refrigerant import and export 62 of water cooling heat exchanger 6 and/or the 3rd refrigerant of air cooling heat exchanger 33, import and export 331, and utilize the second refrigerant import and export 64 of throttling arrangement and water cooling heat exchanger 6 and/or the 4th refrigerant import and export 332 of air cooling heat exchanger 33 to be communicated with, and then be communicated with further user's side heat exchanger 12, and be finally communicated with the refrigerant import of compressor 15.Adopt this structure, open water cold heat exchanger 6 and air cooling heat exchanger 33 are to carry out cooling to air conditioning terminal 19 simultaneously.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (19)
1. an air-conditioning system, is characterized in that, comprising:
Water cooling heat exchanger (6), is provided with the first refrigerant and imports and exports (62) and the second refrigerant import and export (64);
Air cooling heat exchanger (33), is provided with the 3rd refrigerant and imports and exports (331) and the 4th refrigerant import and export (332);
Compressor (15), is provided with refrigerant import and refrigerant exit, and the refrigerant exit of described compressor (15) is optionally communicated with described the first refrigerant and imports and exports (62) and/or described the 3rd refrigerant import and export (331);
Throttling arrangement, the first end of described throttling arrangement is communicated with described the second refrigerant and imports and exports (64) and/or described the 4th refrigerant import and export (332); And
User's side heat exchanger (12), described user's side heat exchanger (12) is provided with the 5th refrigerant and imports and exports (124), the 6th refrigerant import and export (122), the 5th refrigerant of described user's side heat exchanger (12) is imported and exported the second end that (124) are communicated with described throttling arrangement, and the 6th refrigerant of described user's side heat exchanger (12) is imported and exported the refrigerant import that (122) are communicated with described compressor (15).
2. air-conditioning system according to claim 1, is characterized in that,
The 6th refrigerant of described user's side heat exchanger (12) is imported and exported (122) and is optionally communicated with the refrigerant import of described compressor (15) or the refrigerant exit of described compressor (15);
Described the first refrigerant is imported and exported (62) and is optionally communicated with the refrigerant import of described compressor (15) or the refrigerant exit of described compressor (15); And
Described the 3rd refrigerant is imported and exported (331) and is optionally communicated with the refrigerant import of described compressor (15) or the refrigerant exit of described compressor (15).
3. air-conditioning system according to claim 2, is characterized in that, described throttling arrangement comprises:
First throttle element to be opened/closed (7), is connected in parallel with the first check valve (9) of opening towards the second end of described throttling arrangement; And
Second section fluid element to be opened/closed (8), is connected in series with described first throttle element (7) and is connected in parallel with the second check valve (10) that the direction of first end towards described throttling arrangement is opened.
4. air-conditioning system according to claim 3, it is characterized in that, described second section fluid element (8) is connected between described first throttle element (7) and described user's side heat exchanger (12), and described air-conditioning system also comprises the high pressure fluid reservoir (11) being connected between described first throttle element (7) and described second section fluid element (8).
5. according to the air-conditioning system described in any one in claim 1 to 4, it is characterized in that, described air-conditioning system also comprises cold and heat source system, and described cold and heat source system is optionally communicated with described water cooling heat exchanger (6) and/or described air cooling heat exchanger (33) and carries out heat exchange with described water cooling heat exchanger (6) and/or described air cooling heat exchanger (33).
6. air-conditioning system according to claim 5, it is characterized in that, described cold and heat source system comprises soil energy system, described air cooling heat exchanger (33) is air-cooled sleeve pipe finned heat exchanger, described air-cooled sleeve pipe finned heat exchanger comprises water layer sleeve pipe, be set in the refrigerant sleeve pipe of described water layer outside of sleeve and the fin that is positioned at described refrigerant jacket exterior, described water layer sleeve pipe is provided with air-cooled water inlet (333) and air-cooled delivery port (334), described air-cooled water inlet (333) is communicated with the delivery port of described soil energy system, described air-cooled delivery port (334) is communicated with the water inlet of described soil energy system, water in refrigerant in described refrigerant sleeve pipe and described water layer sleeve pipe carries out heat exchange.
7. air-conditioning system according to claim 5, it is characterized in that, described cold and heat source system comprises wind energy system, described wind energy system comprises blower fan, described air cooling heat exchanger (33) is communicated with described blower fan, air under described fan action with described air cooling heat exchanger (33) in medium carry out heat exchange.
8. air-conditioning system according to claim 5, it is characterized in that, described cold and heat source system comprises waste water source system and/or solar energy system, described water cooling heat exchanger (6) is provided with the first water inlet (63) and the first delivery port (61), described the first water inlet (63) is optionally communicated with the delivery port of described waste water source system and/or the delivery port of described solar energy system, and described the first delivery port (61) is optionally communicated with the water inlet of described waste water source system and/or the water inlet of described solar energy system.
9. air-conditioning system according to claim 8, it is characterized in that, described waste water source system comprises the storage cistern for collecting the water after Waste Water Treatment is processed, the water treatment facilities (1) being communicated with described storage cistern, the first water pump (20) being communicated with the delivery port of described water treatment facilities (1), wherein, first water inlet (63) of described water cooling heat exchanger (6) can be opened and closed to be communicated with the delivery port of described the first water pump (20), and first delivery port (61) of described water cooling heat exchanger (6) can be opened and closed to be communicated with described Waste Water Treatment.
10. air-conditioning system according to claim 9, it is characterized in that, described waste water source system also comprises primary heat exchanger (3) and the second water pump (21) being communicated with between described water cooling heat exchanger (6) and described the first water pump (20), described the second water pump (21) is arranged between described primary heat exchanger (3) and described water cooling heat exchanger (6), described primary heat exchanger is provided with heat transferring medium in (3), described primary heat exchanger (3) is provided with the second delivery port being communicated with first water inlet (63) of described water cooling heat exchanger (6), the second water inlet being communicated with first delivery port (61) of described water cooling heat exchanger (6), the 3rd water inlet being communicated with the delivery port of described the first water pump (20) and the 3rd delivery port being communicated with the water inlet of described Waste Water Treatment.
11. air-conditioning systems according to claim 8, it is characterized in that, described solar energy system comprises for collecting solar energy with the solar thermal collector (4) of heating water, the hot water storage tank (5) being communicated with the outlet of described solar thermal collector (4) and the 3rd water pump (22) being communicated with the import of described solar thermal collector (4), wherein, first water inlet (63) of described water cooling heat exchanger (6) can be opened and closed to be communicated with the delivery port of described hot water storage tank (5), first delivery port (61) of described water cooling heat exchanger (6) can be opened and closed to be communicated with the water inlet of described the 3rd water pump (22).
12. according to the air-conditioning system described in any one in claim 1 to 4, it is characterized in that, described air-conditioning system also comprises cold and heat source system and hot water supply system, described hot water supply system is included as user provides domestic hot-water's water supply tank (18), described cold and heat source system is communicated with described water supply tank (18), to described water supply tank (18), provides domestic hot-water.
13. air-conditioning systems according to claim 12, it is characterized in that, described cold and heat source system comprises solar energy system, described solar energy system comprises for collecting solar energy with the solar thermal collector (4) of heating water, the hot water storage tank (5) being communicated with the outlet of described solar thermal collector (4) and the 3rd water pump (22) being communicated with the import of described solar thermal collector (4), the water inlet of described water supply tank (18) can be opened and closed to be communicated with described hot water storage tank (5), the delivery port of described water supply tank (18) can be opened and closed to be communicated with described the 3rd water pump (22).
14. air-conditioning systems according to claim 13, it is characterized in that, between described hot water storage tank (5) and described water supply tank (18), be communicated with auxiliary heater (17), described auxiliary heater (17) has the in the situation that of described solar thermal collector (4) heat supply deficiency, the state that the water in described water supply tank (18) is heated.
15. according to the air-conditioning system described in any one in claim 1 to 4, it is characterized in that, described air-conditioning system also comprises heat recovering heat exchanger (16), described heat recovering heat exchanger (16) is provided with refrigerant import and refrigerant exit, the refrigerant import of described heat recovering heat exchanger (16) is communicated with the refrigerant exit of described compressor (15), the refrigerant exit of described heat recovering heat exchanger (16) is optionally communicated with described the first refrigerant and imports and exports (62) and/or described the 3rd refrigerant import and export (331), or the 6th refrigerant that is communicated with described user's side heat exchanger (12) is imported and exported (122).
16. air-conditioning systems according to claim 15, it is characterized in that, described air-conditioning system also comprises hot water supply system, described hot water supply system is included as user provides domestic hot-water's water supply tank (18), described heat recovering heat exchanger (16) is also provided with water inlet and delivery port, the delivery port of described heat recovering heat exchanger (16) can be opened and closed to be communicated with the water inlet of described water supply tank (18), the water inlet of described heat recovering heat exchanger (16) can be opened and closed to be communicated with the delivery port of described water supply tank (18), to heat the water in described water supply tank (18).
17. air-conditioning systems according to claim 16, it is characterized in that, between the delivery port of described heat recovering heat exchanger (16) and described water supply tank (18), be communicated with auxiliary heater (17), described auxiliary heater (17) has the in the situation that of described heat recovering heat exchanger (16) heat supply deficiency, the state that the water in described water supply tank (18) is heated.
18. air-conditioning systems according to claim 1, it is characterized in that, described user's side heat exchanger (12) is provided with heat exchange water inlet (121) and heat exchange delivery port (123), the air conditioning terminal of described air-conditioning (19) is provided with water inlet and delivery port, the water inlet of described air conditioning terminal (19) is communicated with the heat exchange delivery port (123) of described user's side heat exchanger (12), and the delivery port of described air conditioning terminal (19) is communicated with the heat exchange water inlet (121) of described user's side heat exchanger (12).
19. 1 kinds of central air-conditioning, have air-conditioning system, it is characterized in that, described air-conditioning system comprises according to the air-conditioning system described in any one in claim 1 to 18.
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