CN101655281B - Heat-pump hot-water air conditioning unit and operating method thereof - Google Patents
Heat-pump hot-water air conditioning unit and operating method thereof Download PDFInfo
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- CN101655281B CN101655281B CN2008100303263A CN200810030326A CN101655281B CN 101655281 B CN101655281 B CN 101655281B CN 2008100303263 A CN2008100303263 A CN 2008100303263A CN 200810030326 A CN200810030326 A CN 200810030326A CN 101655281 B CN101655281 B CN 101655281B
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Abstract
The invention aims to provide a heat-pump hot-water air conditioning unit and an operating method thereof. The heat-pump hot-water air conditioning unit has more optimized performance, can recycle waste heat produced by the air conditioning unit, also can produce hot water by using the energy-efficient heat pump principle, is energy-saving and environmentally-friendly, and is favorable for the realization of multi-mode multifunctional control. The heat-pump hot-water air conditioning unit comprises a control system, an air conditioning outdoor unit, an air conditioning indoor unit, a water heater and a plurality of refrigerant pipelines; a refrigerant circularly flows in the refrigerant pipelines; the water heater comprises a water tank, a hot water generator and a water pipe which is connected with the water tank and the hot water generator; the air conditioning outdoor unit comprises a four-way valve A and a four-valve B, a first port of the four-way valve A is connected with a high-pressure outlet end of a compressor through the first refrigerant pipeline, and a first port of the four-way valve B is connected with the high-pressure outlet end of the compressor through the second refrigerant pipeline; and the hot water generator is arranged between the high-pressure outlet end of the compressor and the four-way valve B, and the second refrigerant pipeline also comprises a heat exchange pipeline section which is positioned inside the hot water generator.
Description
Technical field
The invention belongs to the application of air-conditioning technical, be specifically related to a kind of can be with heat recovery, have the heat pump hot-water air conditioner group and the method for work thereof that heat water function.
Background technology
Social development is fast, and technological innovation is maked rapid progress, and people constantly strengthen energy environment protection consciousness.Raising along with economic development and people's living standard; The air-conditioning unit is because to have an intelligent management of being convenient to, refrigeration/heat big and be convenient to be characteristics such as zones of different flexible configuration refrigeration/heat; The market prospects of becoming better and better are arranged, come into increasing family and office space gradually.And it is current; Most air-conditioner just has summer refrigeration, winter and heats to regulate the simple function of indoor air temperature; Summer particularly; The great amount of heat that air-conditioner is produced in process of refrigerastion is all had no to be discharged in the outside atmosphere with utilizing, has caused the thermal pollution of outdoor air and the significant wastage of the energy.This air-conditioner only uses with summer in the winter time, and utilization rate is not high yet; Meanwhile, air-conditioned family and office space also need to buy water heater in addition to solve the problem of daily hot water in the life, have increased spending, and electric heater, the gas heater power consumption is very big, security is also relatively poor.Many air-conditioners that heat water function that have have also been emerged in large numbers at present; But only limit in air conditioner refrigerating; The used heat that utilizes air-conditioner to produce comes heat hot water; Do not realize heating heating water simultaneously, it mainly relies on electrical heating that water is heated, and when freezing and heating water, can not heat exchanger 17 be satisfied little refrigerating capacity demand as the evaporimeter use; In the time of air conditioner heat-production, although heat pump heats the characteristics with high energy efficiency, prior art does not also have desirable technical scheme to realize heating simultaneously the function of water.So, need further develop the heat pump hot-water air conditioner group that hot water can both be provided in air-conditioner refrigeration and heating operation.
Summary of the invention
The object of the present invention is to provide a kind of heat pump hot-water air conditioner group and method of work thereof; Performance is more optimized, and the recyclable used heat that utilizes the air-conditioning unit to produce also can utilize the heat pump principle of high energy efficiency to heat water; Energy-conserving and environment-protective, and help the realization of multi-mode multi-functional control.
The present invention realizes through following technical scheme:
The heat pump hot-water air conditioner group includes control system, air-conditioner outdoor unit, indoor apparatus of air conditioner, water heater and is connected in many refrigerant pipes between said air-conditioner outdoor unit, indoor apparatus of air conditioner, the water heater; Refrigerant circulates in said refrigerant pipe; The water pipe that said water heater includes water tank, hot water generator and connects said water tank and hot water generator; Said air-conditioner outdoor unit includes one or more compressor, heat exchanger, throttling arrangement and refrigerant pipe control device, and said compressor, heat exchanger, throttling arrangement and refrigerant pipe control device all connect through refrigerant pipe; Said refrigerant pipe control device includes cross valve A and cross valve B; Wherein, The port one of said cross valve A is connected with the high-pressure outlet end of compressor through refrigerant pipe one, and the port one of said cross valve B is connected with the high-pressure outlet end of compressor through refrigerant pipe two; Said hot water generator is arranged between the high-pressure outlet end and cross valve B of compressor, and said refrigerant pipe two also includes the heat exchange pipeline section, and it is inner that said heat exchange pipeline section is positioned at said hot water generator.
Said air-conditioner outdoor unit includes one or more compressor, wherein has at least one to be frequency conversion or positive displacement compressor.
Said indoor apparatus of air conditioner includes the above indoor units of a cover, and said indoor units adopts the mode of parallel connection, is connected with air-conditioner outdoor unit through refrigerant pipe.
The method of work of heat pump hot-water air conditioner group, wherein, said method comprises following plurality of operating modes:
First: refrigeration mode;
Second: heating mode;
The 3rd: refrigerating operaton heats aqueous mode simultaneously;
The the 4th: heat aqueous mode;
The 5th: heating operation heats aqueous mode simultaneously.
To sum up, the invention has the beneficial effects as follows:
Heat pump hot-water air conditioner group of the present invention includes control system, air-conditioner outdoor unit, indoor apparatus of air conditioner, water heater, and hot water generator is arranged between the high-pressure outlet end and cross valve B of compressor; Frequency conversion or varying capacity regulation technology and heat pump hot water air conditioning technology are organically combined, realize that multi-mode is multi-functional, energy-conserving and environment-protective, technique effect is described below, one of which: heat water simultaneously in refrigeration, for energy-conservation and realize three kinds of optimal control modes; Its two: realize heating heating water simultaneously, realize energy-conservation, efficiently control and avoid traditional combined air conditioners hot water machine frequently to use electrical heating; Its three: can realize five kinds of energy-efficient important models; Its four: under various modes, for energy saving optimizing system control can be selected heat exchanger 17 as evaporimeter or use as condenser; Its five: heat exchanger 17 can piecemeal under various modes control and regulation, it is more rationally perfect that it can be distributed; Its six: frequency conversion or transfiguration technology organically combines with the heat pump hot water air conditioning technology; Its seven: in frequency conversion or transfiguration multi-connected heat pump hot water unit, can realize complete recuperation of heat, energy-conserving and environment-protective.
Description of drawings
Fig. 1 is the structural representation and the refrigeration mode circulation sketch map of heat pump hot-water air conditioner group of the present invention;
Fig. 2 is throttling arrangement embodiment two structural representations of heat pump hot-water air conditioner group of the present invention;
Fig. 3 is throttling arrangement embodiment three structural representations of heat pump hot-water air conditioner group of the present invention;
Fig. 4 is the structural representation and the heating mode circulation sketch map of heat pump hot-water air conditioner group of the present invention;
Fig. 5 is that the structural representation and the refrigeration of heat pump hot-water air conditioner group of the present invention heats aqueous mode one circulation sketch map simultaneously;
Fig. 6 is that the structural representation and the refrigeration of heat pump hot-water air conditioner group of the present invention heats aqueous mode two circulation sketch mapes simultaneously;
Fig. 7 is that the structural representation and the refrigeration of heat pump hot-water air conditioner group of the present invention heats aqueous mode three circulation sketch mapes simultaneously;
Fig. 8 is the structural representation of heat pump hot-water air conditioner group of the present invention and heats aqueous mode circulation sketch map;
Fig. 9 is the structural representation of heat pump hot-water air conditioner group of the present invention and heats and heat aqueous mode circulation sketch map simultaneously.
Description of reference numerals:
Air-conditioner outdoor unit 1; Indoor apparatus of air conditioner 3; Water heater 2; Refrigerant pipe 4; Compressor 10; Oil eliminator 11; Gas separating device 12; Second throttling arrangement 14; Cross valve A15; Cross valve B16; Heat exchanger 17; Throttling arrangement 18; Fluid reservoir 19; Hot water generator 21; Water tank 22; Pressure-reducing valve 23; Blowoff valve 24; Outlet valve 25; Water temperature bulb 26; Water pipe 27; Water intaking valve 28; Indoor units 31; Refrigerant pipe 1; Refrigerant pipe 2 42; Refrigerant pipe 3 43; Refrigerant pipe 4 44; Refrigerant pipe 5 45; Refrigerant pipe 6 46; High pressure sensor 131; Low pressure sensor 132; Electric expansion valve C141; Magnetic valve B142; Check valve B143; Cross valve A port 1; Cross valve A port 2 152; Cross valve A port 3 153; Cross valve A port 4 154; Capillary 155; Cross valve B port 1; Cross valve B port 2 162; Cross valve B port 3 163; Cross valve B port 4 164; Electric expansion valve A182; Electric expansion valve B181; Magnetic valve A183; Capillary 1; Check valve 185; Check valve 186; Heat exchange pipeline section 421.
The specific embodiment
As shown in Figure 1, the open heat pump hot-water air conditioner group of the present invention includes control system, air-conditioner outdoor unit 1, indoor apparatus of air conditioner 3, water heater 2 and is connected in many refrigerant pipes 4 between said air-conditioner outdoor unit 1, indoor apparatus of air conditioner 3, the water heater 2; Refrigerant circulates in said refrigerant pipe 4; The water pipe 27 that said water heater 2 includes water tank 22, hot water generator 21 and connects said water tank 22 and hot water generator 21; Said air-conditioner outdoor unit 1 includes one or more compressor 10, heat exchanger 17, throttling arrangement 18 and refrigerant pipe control device, and said compressor 10, heat exchanger 17, throttling arrangement 18 and refrigerant pipe control device all connect through refrigerant pipe 4; Said refrigerant pipe control device includes cross valve A15 and cross valve B16; It is characterized in that: the port 1 of said cross valve A is connected with the high-pressure outlet end of compressor 10 through refrigerant pipe 1, and the port 1 of said cross valve B is connected with the high-pressure outlet end of compressor 10 through refrigerant pipe 2 42; Said hot water generator 21 is arranged between the high-pressure outlet end and cross valve B16 of compressor 10, and said refrigerant pipe 2 42 also includes heat exchange pipeline section 421, and said heat exchange pipeline section 421 is positioned at said hot water generator 21 inside.
Said cross valve A15 includes cross valve A port 1, cross valve A port 2 152, cross valve A port 3 153 and cross valve A port 4 154, and said cross valve A port 2 152 is connected with the indoor units 31 of said indoor apparatus of air conditioner 3 through refrigerant pipe 3 43; Be connected with capillary 155 between said cross valve A port 3 153 and the cross valve A port 4 154; Said cross valve B16 includes cross valve B port 1, cross valve B port 2 162, cross valve B port 3 163 and cross valve B port 4 164; Said cross valve B port 3 163 and cross valve A port 3 153 are connected through refrigerant pipe, and cross valve B port 4 164 connects heat exchanger 17 through refrigerant pipe.
Said air-conditioner outdoor unit 1 includes second throttling arrangement 14, and said cross valve B port 2 162 connects second throttling arrangement 14 through refrigerant pipe, and said second throttling arrangement 14 comprises electric expansion valve C141, magnetic valve B142 and check valve B143; Parallelly connected with electric expansion valve C141 again after said magnetic valve B142 and the check valve B143 series connection; The end away from cross valve B by end, electric expansion valve C141 of said check valve B143 is connected with refrigerant pipe 5 45; Said air-conditioner outdoor unit includes fluid reservoir 19, and refrigerant pipe 5 45 puts in said fluid reservoir 19 inner chambers from fluid reservoir 19 second interfaces; Said fluid reservoir 19 is provided with first interface, second interface and the 3rd interface.
Said indoor apparatus of air conditioner includes the above indoor units 31 of a cover; Said indoor units 31 adopts the mode of parallel connection, through refrigerant pipe 3 43 is connected, passes through refrigerant pipe 4 44 with the port 2 152 of cross valve A15, from first interface access fluid reservoir, 19 inner chambers of fluid reservoir 19.
Said connection water tank 22 includes water inlet pipe and outlet pipe with the water pipe 27 of hot water generator 21, is communicated with hot water generator 21 through water intaking valve 28, outlet valve 25 respectively; The shell body bottom of said hot water generator 21 also is provided with pressure-reducing valve 23 and blowoff valve 24; In the said hot water generator 21, also be provided with water temperature bulb 26.
Said air-conditioner outdoor unit includes multiple compressors 10, wherein has at least one to be frequency conversion or positive displacement compressor, and said multiple compressors 10 adopts the mode of parallel connection to connect.
The high-pressure side of said compressor 10 is connected with oil eliminator 11, and low-pressure end is connected with gas separating device 12; By the refrigerant pipe that high-pressure side said and compressor 10 is connected, be provided with high pressure sensor 131, by the refrigerant pipe that low-pressure end said and compressor 10 is connected, be provided with low pressure sensor 132.
Said compressor low pressure air suction end stretches into storage tank interior from fluid reservoir 19 first interfaces after having connected magnetic valve, capillary.
Said compressor low pressure sucks end and also is connected with capillary and magnetic valve with high-pressure outlet end.
Said heat exchanger 17 can comprise a group or more heat exchanger component, adopts the mode of parallel connection to connect between the various heat exchange device parts; End away from cross valve B of said heat exchanger 17 connects throttling arrangement 18 backs and inserts fluid reservoir 19 inner chambers from fluid reservoir 19 the 3rd interface.
Said throttling arrangement embodiment one:
As shown in Figure 1, said throttling arrangement 18 includes mutual electric expansion valve A182, electric expansion valve B181 and the magnetic valve A183 that adopts parallelly connected mode to connect; Said throttling arrangement 18 also includes three check valves; The refrigerant pipe 6 46 of said connection electric expansion valve A182, electric expansion valve B181 and magnetic valve A183 low-pressure end puts in said fluid reservoir 19 inner chambers.
Said throttling arrangement embodiment two:
As shown in Figure 2, said throttling arrangement 18 includes electric expansion valve B181 and magnetic valve A183; Be provided with check valve 185,186 between said electric expansion valve B181 and the magnetic valve A183.
Said throttling arrangement embodiment three:
As shown in Figure 3, said throttling arrangement 18 includes mutual capillary 1, electric expansion valve B181 and the magnetic valve A183 that adopts parallelly connected mode to connect; Said throttling arrangement 18 also includes a check valve; The refrigerant pipe 6 46 of said connection capillary 1, electric expansion valve B181 and magnetic valve A183 low-pressure end puts in said fluid reservoir 19 inner chambers.
The method of work of heat pump hot-water air conditioner group, wherein, said method comprises following plurality of operating modes:
First: refrigeration mode;
Second: heating mode;
The 3rd: refrigerating operaton heats aqueous mode simultaneously;
The the 4th: heat aqueous mode;
The 5th: heating operation heats aqueous mode simultaneously.
The present invention is based on frequency conversion or transfiguration how online with air conditioner water heating machine on, realize the operation of multi-mode high energy efficiency, be adapted to the various working condition, concrete plurality of operating modes is following:
First: refrigeration mode;
As shown in Figure 1, the concrete operational mode of refrigeration mode is following: cross valve A15 outage, cross valve B16 outage; Magnetic valve B142 outage, magnetic valve A183 powers on, and electric expansion valve C141 closes; High temperature and high pressure gas superheated water generator but do not carry out condensation is crossed cross valve B16 to heat exchanger 17 condensations, then through magnetic valve A183, fluid reservoir 19; To the indoor evaporator evaporation that the indoor units 31 of refrigeration demand is arranged, return compressor 10 boil down to high pressure-temperature gaseous coolants afterwards, constitute a circulation.
Second: heating mode;
As shown in Figure 4, the concrete operational mode of heating mode is following: cross valve A15 powers on, and cross valve B16 powers on; Magnetic valve A183 outage, magnetic valve B142 outage, electric expansion valve C141 fastens; The HTHP refrigerant is walked the indoor units 31 that need heat, and behind the electronic expansion valve regulation flow through the indoor, crosses fluid reservoir 19; Arrive electric expansion valve A182 and electric expansion valve B181 throttling again, to heat exchanger 17 evaporations, the control of heat exchanger 17 piecemeals; Regulate monolithic or two all uses of using heat exchanger 17 as required, return compressor boil down to high pressure-temperature gaseous coolant at last.
The 3rd: refrigerating operaton heats aqueous mode simultaneously;
It is following that refrigeration heats the concrete operational mode of aqueous mode simultaneously, and three kinds of control modes are arranged:
As shown in Figure 5, one of which: cross valve A15 outage, cross valve B16 outage, magnetic valve A183 powers on; Magnetic valve B142 outage, electric expansion valve C141 fastens, 21 condensations of HTHP gaseous coolant superheated water generator; Arrive heat exchanger 17 condensation once more again, cross magnetic valve A183, to fluid reservoir 19; Go the evaporator evaporation of the indoor units 31 of refrigeration demand, return compressor compresses afterwards, constitute a circulation.
As shown in Figure 6, its two, cross valve A15 outage; Cross valve B16 powers on, and magnetic valve B142 powers on, magnetic valve A183 outage; Magnetic valve B142 is crossed in 21 condensations of high temperature and high pressure gas superheated water generator, to fluid reservoir 19; Go the evaporimeter and outdoor heat exchanger 17 evaporations of refrigeration demand indoor units 31, return compressor compresses afterwards, constitute a circulation.
Note regulating as required this moment the outside monolithic heat exchanger of use or two whole uses, promptly heat simultaneously in the water process in refrigeration, heat exchanger 17 can be used as evaporimeter and uses, and can control to adjust by piecemeal, and it is more rationally perfect that it can be distributed.
Its three: as shown in Figure 7, it is following that refrigeration heats the concrete operational mode of aqueous mode simultaneously: cross valve A15 outage, cross valve B16 powers on; Magnetic valve B142 powers on, magnetic valve A183 outage, 21 condensations of high temperature and high pressure gas superheated water generator; Cross magnetic valve B142, go the evaporator evaporation of refrigeration demand indoor units 31 to fluid reservoir 19, one road cold-producing medium; One road cold-producing medium flows back to compressor compresses through heat exchanger 17 evaporations after the two-way cold-producing medium converges afterwards, constitutes a circulation.
Heat water simultaneously in refrigeration, have above-mentioned three kinds of modes to control to adjust, optimize performance, reach allocation optimum, the third is complete heat recovery mode, and is energy-efficient.
The the 4th: heat aqueous mode;
As shown in Figure 8, it is following to heat the concrete operational mode of aqueous mode: cross valve A15 outage, and cross valve B16 powers on; Magnetic valve B142 powers on, magnetic valve A183 outage, 21 condensations of HTHP cold media gas superheated water generator; Cross behind the cross valve B16 after magnetic valve B142, to fluid reservoir 19, to electric expansion valve A182 and electric expansion valve B181 throttling; Select to use monolithic heat exchanger 17 or two heat exchangers all to use according to demand, return compressor compresses afterwards, constitute a circulation.
The 5th: heating operation heats aqueous mode simultaneously.
As shown in Figure 9, heat that to heat the concrete operational mode of aqueous mode simultaneously following: heating when heating the water demand again simultaneously, cross valve A15 powers on; Cross valve B16 powers on, magnetic valve B142 outage, and the HTHP gaseous coolant is walked hot water generator 21 and indoor units 31 condensations simultaneously that need heat is arranged; After the electric expansion valve throttling that connects separately; Be pooled to fluid reservoir 19, evaporate the control of heat exchanger 17 piecemeals through electric expansion valve A182 and electric expansion valve B181 to heat exchanger 17; Regulate monolithic or two all uses of using heat exchanger 17 as required, return compressor boil down to high pressure-temperature gaseous coolant at last.
Above-mentioned listed concrete implementation is nonrestrictive, to one skilled in the art, is not departing from the scope of the invention, and various improvement and the variation carried out all belong to protection scope of the present invention.
Claims (21)
1. the heat pump hot-water air conditioner group includes control system, air-conditioner outdoor unit (1), indoor apparatus of air conditioner (3), water heater (2) and is connected in many refrigerant pipes (4) between said air-conditioner outdoor unit (1), indoor apparatus of air conditioner (3), the water heater (2); Refrigerant circulates in said refrigerant pipe (4); Said water heater (2) includes water tank (22), hot water generator (21) and connects said water tank (22) and the water pipe (27) of hot water generator (21); Said air-conditioner outdoor unit (1) includes one or more compressor (10), heat exchanger (17), throttling arrangement (18) and refrigerant pipe control device, and said compressor (10), heat exchanger (17), throttling arrangement (18) and refrigerant pipe control device all connect through refrigerant pipe (4); Said refrigerant pipe control device includes cross valve A (15) and cross valve B (16); It is characterized in that: the port one (151) of said cross valve A is connected with the high-pressure outlet end of compressor (10) through refrigerant pipe one (41), and the port one (161) of said cross valve B is connected with the high-pressure outlet end of compressor (10) through refrigerant pipe two (42); Said hot water generator (21) is arranged between the high-pressure outlet end and cross valve B (16) of compressor (10), and said refrigerant pipe two (42) also includes heat exchange pipeline section (421), and said heat exchange pipeline section (421) is positioned at said hot water generator (21) inside.
2. heat pump hot-water air conditioner group according to claim 1; It is characterized in that: said cross valve A (15) includes cross valve A port one (151), cross valve A port two (152), cross valve A port three (153) and cross valve A port four (154), and said cross valve A port two (152) is connected with the indoor units (31) of said indoor apparatus of air conditioner (3) through refrigerant pipe three (43); Be connected with capillary (155) between said cross valve A port three (153) and the cross valve A port four (154); Said cross valve B (16) includes cross valve B port one (161), cross valve B port two (162), cross valve B port three (163) and cross valve B port four (164); Said cross valve B port three (163) and cross valve A port three (153) are connected through refrigerant pipe, and cross valve B port four (164) connects heat exchanger (17) through refrigerant pipe.
3. heat pump hot-water air conditioner group according to claim 2; It is characterized in that: said air-conditioner outdoor unit (1) includes second throttling arrangement (14); Said cross valve B port two (162) connects second throttling arrangement (14) through refrigerant pipe, and said second throttling arrangement (14) comprises electric expansion valve C (141), magnetic valve B (142) and check valve B (143); Parallelly connected with electric expansion valve C (141) again after said magnetic valve B (142) and check valve B (143) series connection; The end away from cross valve B by end, electric expansion valve C (141) of said check valve B (143) is connected with refrigerant pipe five (45); Said air-conditioner outdoor unit includes fluid reservoir (19), and refrigerant pipe five (45) puts in said fluid reservoir (19) inner chamber from fluid reservoir (19) second interfaces; Said fluid reservoir (19) is provided with first interface, second interface and the 3rd interface.
4. heat pump hot-water air conditioner group according to claim 3 is characterized in that: said heat exchanger (17) can comprise a group or more heat exchanger component, adopts the mode of parallel connection to connect between the various heat exchange device parts; End away from cross valve B of said heat exchanger (17) connects throttling arrangement (18) back and inserts fluid reservoir (19) inner chamber from fluid reservoir (19) the 3rd interface.
5. according to claim 1 or 2 or 3 or 4 described heat pump hot-water air conditioner groups, it is characterized in that: the high-pressure side of said compressor (10) is connected with oil eliminator (11), and low-pressure end is connected with gas separating device (12); By the refrigerant pipe that high-pressure side said and compressor (10) is connected, be provided with high pressure sensor (131), by the refrigerant pipe that low-pressure end said and compressor (10) is connected, be provided with low pressure sensor (132).
6. heat pump hot-water air conditioner group according to claim 3; It is characterized in that: said indoor apparatus of air conditioner includes the above indoor units (31) of a cover; Said indoor units (31) adopts the mode of parallel connection, through refrigerant pipe three (43) is connected, passes through refrigerant pipe four (44) with the port two (152) of cross valve A (15), from first interface access fluid reservoir (19) inner chamber of fluid reservoir (19).
7. according to claim 1 or 2 or 3 or 4 described heat pump hot-water air conditioner groups; It is characterized in that: said connection water tank (22) includes water inlet pipe and outlet pipe with the water pipe (27) of hot water generator (21), is communicated with hot water generator (21) through water intaking valve (28), outlet valve (25) respectively; The shell body bottom of said hot water generator (21) also is provided with pressure-reducing valve (23) and blowoff valve (24); In the said hot water generator (21), also be provided with water temperature bulb (26).
8. according to claim 1 or 2 or 3 or 4 described heat pump hot-water air conditioner groups; It is characterized in that: said air-conditioner outdoor unit includes multiple compressors (10); Wherein have at least one to be frequency conversion or positive displacement compressor, said multiple compressors (10) adopts the mode of parallel connection to connect.
9. heat pump hot-water air conditioner group according to claim 3 is characterized in that: said throttling arrangement (18) includes mutual electric expansion valve A (182), electric expansion valve B (181) and the magnetic valve A (183) that adopts parallelly connected mode to connect; Said throttling arrangement (18) also includes three check valves; The refrigerant pipe six (46) of said connection electric expansion valve A (182), electric expansion valve B (181) and magnetic valve A (183) low-pressure end puts in said fluid reservoir (19) inner chamber.
10. heat pump hot-water air conditioner group according to claim 3 is characterized in that: said throttling arrangement (18) includes electric expansion valve B (181) and magnetic valve A (183); Be provided with check valve (185), (186) between said electric expansion valve B (181) and the magnetic valve A (183).
11. heat pump hot-water air conditioner group according to claim 3 is characterized in that: said throttling arrangement (18) includes mutual capillary one (184), electric expansion valve B (181) and the magnetic valve A (183) that adopts parallelly connected mode to connect; Said throttling arrangement (18) also includes a check valve; The refrigerant pipe six (46) of said connection capillary one (184), electric expansion valve B (181) and magnetic valve A (183) low-pressure end puts in said fluid reservoir (19) inner chamber.
12. heat pump hot-water air conditioner group according to claim 5 is characterized in that: said compressor low pressure air suction end stretches into storage tank interior from fluid reservoir (19) first interfaces after having connected magnetic valve, capillary.
13. heat pump hot-water air conditioner group according to claim 5 is characterized in that: said compressor low pressure sucks end and also is connected with capillary and magnetic valve with high-pressure outlet end.
14. the method for work of heat pump hot-water air conditioner group as claimed in claim 1 is characterized in that: said method comprises following plurality of operating modes:
First: refrigeration mode;
Second: heating mode;
The 3rd: refrigerating operaton heats aqueous mode simultaneously;
The the 4th: heat aqueous mode;
The 5th: heating operation heats aqueous mode simultaneously.
15. the method for work of heat pump hot-water air conditioner group according to claim 14 is characterized in that: the concrete operational mode of refrigeration mode is following: cross valve A (15) outage, cross valve B (16) outage; Magnetic valve B (142) outage, magnetic valve A (183) powers on, and electric expansion valve C (141) closes; High temperature and high pressure gas superheated water generator but do not carry out condensation; Cross cross valve B (16) to heat exchanger (17) condensation, then through magnetic valve A (183), fluid reservoir (19), to the indoor evaporator evaporation that the indoor units (31) of refrigeration demand is arranged; Return compressor (10) boil down to high pressure-temperature gaseous coolant afterwards, constitute a circulation.
16. the method for work of heat pump hot-water air conditioner group according to claim 14 is characterized in that: the concrete operational mode of heating mode is following: cross valve A (15) powers on, and cross valve B (16) powers on; Magnetic valve A (183) outage, magnetic valve B (142) outage, electric expansion valve C (141) fastens; The HTHP refrigerant is walked the indoor units (31) that need heat; Behind the electronic expansion valve regulation flow through the indoor, cross fluid reservoir (19), arrive electric expansion valve A (182) and electric expansion valve B (181) throttling again; To heat exchanger (17) evaporation; Monolithic or two all uses of using heat exchanger (17) are regulated in the control of heat exchanger (17) piecemeal as required, return compressor boil down to high pressure-temperature gaseous coolant at last.
17. the method for work of heat pump hot-water air conditioner group according to claim 14 is characterized in that: it is following that refrigeration heats the concrete operational mode of aqueous mode simultaneously: cross valve A (15) outage, cross valve B (16) outage; Magnetic valve A (183) powers on, magnetic valve B (142) outage, and electric expansion valve C (141) fastens; Heat exchanger (17) condensation is once more arrived in HTHP gaseous coolant superheated water generator (21) condensation again, crosses magnetic valve A (183); To fluid reservoir (19); Go the evaporator evaporation of the indoor units (31) of refrigeration demand, return compressor compresses afterwards, constitute a circulation.
18. the method for work of heat pump hot-water air conditioner group according to claim 14 is characterized in that: it is following that refrigeration heats the concrete operational mode of aqueous mode simultaneously: cross valve A (15) outage, and cross valve B (16) powers on; Magnetic valve B (142) powers on, magnetic valve A (183) outage, high temperature and high pressure gas superheated water generator (21) condensation; Cross magnetic valve B (142); To fluid reservoir (19), one road cold-producing medium goes the evaporator evaporation of refrigeration demand indoor units (31), and one road cold-producing medium evaporates through heat exchanger (17); Flow back to compressor compresses after the two-way cold-producing medium converges afterwards, constitute a circulation.
19. the method for work of heat pump hot-water air conditioner group according to claim 14 is characterized in that: it is following that refrigeration heats the concrete operational mode of aqueous mode simultaneously: cross valve A (15) outage, and cross valve B (16) powers on; Magnetic valve B (142) powers on; Magnetic valve A (183) outage, electric expansion valve A (182) and electric expansion valve B (181) fasten, the condensation of high temperature and high pressure gas refrigerant superheated water generator; Cross magnetic valve B (142); To fluid reservoir (19), go indoor units (31) heat exchange of refrigeration demand to return compressor compresses afterwards, constitute a circulation.
20. the method for work of heat pump hot-water air conditioner group according to claim 14 is characterized in that: it is following to heat the concrete operational mode of aqueous mode: cross valve A (15) outage, and cross valve B (16) powers on; Magnetic valve B (142) powers on, magnetic valve A (183) outage, HTHP cold media gas superheated water generator (21) condensation; Cross cross valve B (16) back after magnetic valve B (142); To fluid reservoir (19),, select to use monolithic heat exchanger (17) or two heat exchangers all to use according to demand to electric expansion valve A (182) and electric expansion valve B (181) throttling; Return compressor compresses afterwards, constitute a circulation.
21. the method for work of heat pump hot-water air conditioner group according to claim 14; It is characterized in that: heat that to heat the concrete operational mode of aqueous mode simultaneously following: heating when heating the water demand again simultaneously, cross valve A (15) powers on, and cross valve B (16) powers on; Magnetic valve B (142) outage; The HTHP gaseous coolant is walked hot water generator (21) and indoor units (31) condensation simultaneously that need heat is arranged, and after the electric expansion valve throttling that connects separately, is pooled to fluid reservoir (19); Evaporate to heat exchanger (17) through electric expansion valve A (182) and electric expansion valve B (181); Monolithic or two all uses of using heat exchanger (17) are regulated in the control of heat exchanger (17) piecemeal as required, return compressor boil down to high pressure-temperature gaseous coolant at last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100303263A CN101655281B (en) | 2008-08-22 | 2008-08-22 | Heat-pump hot-water air conditioning unit and operating method thereof |
Applications Claiming Priority (1)
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| EP4067778A1 (en) * | 2021-03-31 | 2022-10-05 | Guangdong Giwee Technology Co., Ltd. | Heat recovery air conditioner hot water system and refrigerant flow control method thereof |
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Effective date of registration: 20160429 Address after: 050035 Zhujiang Road, high tech Zone, Hebei, Shijiazhuang, China, No. 252 Patentee after: GREE ELECTRIC APPLIANCES (SHIJIAZHUANG) Co.,Ltd. Address before: 519015 No. six Jinji Road West, Zhuhai, Guangdong Patentee before: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI |