CN110500827A - A kind of heat pump system for realizing air-conditioning, floor heating, domestic hot-water's trilogy supply - Google Patents

A kind of heat pump system for realizing air-conditioning, floor heating, domestic hot-water's trilogy supply Download PDF

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Publication number
CN110500827A
CN110500827A CN201910789052.4A CN201910789052A CN110500827A CN 110500827 A CN110500827 A CN 110500827A CN 201910789052 A CN201910789052 A CN 201910789052A CN 110500827 A CN110500827 A CN 110500827A
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CN
China
Prior art keywords
valve
air
water
conditioning
heat exchanger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910789052.4A
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Chinese (zh)
Inventor
邓晨冕
涂虬
张�杰
邱跃
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Haizhipu Intelligent Technology Co Ltd
Ningbo University of Technology
Original Assignee
Ningbo Haizhipu Intelligent Technology Co Ltd
Ningbo University of Technology
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Filing date
Publication date
Priority to CN2018112032904 priority Critical
Priority to CN201811203290.4A priority patent/CN109341157A/en
Application filed by Ningbo Haizhipu Intelligent Technology Co Ltd, Ningbo University of Technology filed Critical Ningbo Haizhipu Intelligent Technology Co Ltd
Publication of CN110500827A publication Critical patent/CN110500827A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00Hot-water central heating systems
    • F24D3/18Hot-water central heating systems using heat pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H4/00Fluid heaters characterised by the use of heat pumps
    • F24H4/02Water heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00Heat pumps
    • F25B30/02Heat pumps of the compression type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/30Expansion means; Dispositions thereof
    • F25B41/31Expansion valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/006Accumulators
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12Hot water central heating systems using heat pumps
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention discloses a kind of heat pump systems for realizing air-conditioning, floor heating, domestic hot-water's trilogy supply, DC frequency-changeable compressor is communicated with the oil separator, and oil eliminator is successively connected to the first three-way diverter valve, the second three-way diverter valve, four-way reversing valve, outdoor heat exchanger, the main electric expansion valve of heating, liquid storage device;Water tank is additionally provided between first three-way diverter valve and four-way valve;Liquid storage device is connected to water-side heat, the first air-conditioning heat exchanger, the second air-conditioning heat exchanger respectively through liquid pipe shut-off valve;The outlet of water-side heat, the first air-conditioning heat exchanger and the second air-conditioning heat exchanger is connected to four-way reversing valve, and four-way changing phase valve is connected to via gas-liquid separator with the gas returning port of DC frequency-changeable compressor.A kind of heat pump system for realizing air-conditioning, floor heating, domestic hot-water's trilogy supply disclosed by the invention realizes air-conditioning, floor heating and the trilogy supply of domestic hot-water, improves the energy utilization rate of equipment.

Description

A kind of heat pump system for realizing air-conditioning, floor heating, domestic hot-water's trilogy supply
Technical field
The present invention relates to technical field of heat pumps, specifically a kind of heat for realizing air-conditioning, floor heating, domestic hot-water's trilogy supply Pumping system.
Background technique
Heat pump techniques are concerned in recent years, in the epoch for advocating environmental protection and energy saving, the height designed and developed using heat pump techniques The refrigeration or heating system, hot water supply system etc. of efficiency and environmental protection have been to be concerned by more and more people.
The heat pump air conditioner and heat-pump water heater in China at present, substantially two kinds of mutually independent distinct devices, Conventional heat pump air conditioner only provides refrigeration or heating, and conventional heat-pump water heater only provides domestic hot-water;The two base Present principles are identical, but heat pump air conditioner is normally only used for air-conditioning, and transition season equipment is in idle state, and heat-pump hot-water fills It sets and is served only for generating domestic hot-water, the function and energy utilization rate of equipment are not all fully utilized.Need to heat pump system into Row optimization design can meet air-conditioning, floor heating and the use demand of domestic hot-water simultaneously, improve equipment and energy utilization rate.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of heat pump for realizing air-conditioning, floor heating, domestic hot-water's trilogy supply System is able to solve the problems such as conventional heat pump air-conditioning device has a single function with heat-pump water heater, energy utilization rate is low, realizes empty Tune, floor heating and the trilogy supply of domestic hot-water, improve the energy utilization rate of equipment.
The technical solution used in the present invention is: providing a kind of heat pump system for realizing air-conditioning, floor heating, domestic hot-water's trilogy supply System, including DC frequency-changeable compressor, oil eliminator, the first three-way diverter valve, the second three-way diverter valve, four-way reversing valve, outdoor Heat exchanger, the main electric expansion valve of heating, liquid storage device, water-side heat, the first check valve, second one-way valve, gas-liquid separator, sky Adjust heat exchanger assembly;
The outlet of DC frequency-changeable compressor is connected to oil eliminator entrance, the outlet of oil eliminator and the first three-way diverter valve Entrance connection, the first outlet of the first three-way diverter valve is connected to tank entry, the second outlet of the first three-way diverter valve and the The entrance of two three-way diverter valves is connected to, and the first check valve of outlet of water tank is connected to the second triplet commutation valve inlet;
The first outlet of second three-way diverter valve is connected to the entrance of four-way reversing valve, the first outlet of four-way reversing valve with The outlet of the connection of outdoor heat exchanger entrance, outdoor heat exchanger is connected to via the main electric expansion valve of heating with liquid storage device entrance, and second The second outlet of three-way diverter valve is connected to via second one-way valve with reservoir outlet;The outlet of liquid storage device first passes around liquid pipe and cuts Then only valve is connected to via the first solenoid valve with water-side heat entrance respectively, via the first indoor electronic expansion valve and first The connection of air-conditioning heat exchanger entrance, is connected to via electric expansion valve in second Room with the second air-conditioning heat exchanger entrance;
Water-side heat, the first air-conditioning heat exchanger and the second air-conditioning heat exchanger outlet with the third of four-way reversing valve The second outlet of outlet, four-way changing phase valve is connected to via gas-liquid separator with the gas returning port of DC frequency-changeable compressor, wherein Second solenoid valve is equipped between water-side heat outlet and tracheae shut-off valve.
Heat pump system of the invention: solving conventional heat pump air-conditioning device and heat-pump water heater has a single function, energy benefit The problems such as low with rate, realizes air-conditioning, floor heating and the trilogy supply of domestic hot-water, and the conversion that six kinds of different modes may be implemented uses, A variety of different occasions are applicable in, the energy utilization rate of equipment is improved.
Further, the air-conditioning heat exchanger component includes at least one air-conditioning heat exchanger and indoor electronic expansion valve, The indoor electronic expansion valve is located on the pipeline between the arrival end of air-conditioning heat exchanger and liquid pipe shut-off valve.
Preferably, the air-conditioning heat exchanger is that two the first air-conditioning heat exchangers parallel with one another and the second air-conditioning exchange heat Device;Corresponding indoor electronic expansion valve also there are two, electronic expansion in respectively the first indoor electronic expansion valve and second Room Valve.The setting of two groups of air-conditioner heat exchanger structures in parallel, its refrigeration further increased, the effect of heating.
Detailed description of the invention
Fig. 1 be a kind of air-conditioning of the present invention, domestic hot-water, floor heating trigeneration heat pump system schematic diagram.
Fig. 2 is the system of a kind of air-conditioning of the present invention, domestic hot-water, floor heating trigeneration heat pump system list refrigeration mode Flow chart.
Fig. 3 is a kind of air-conditioning of the present invention, domestic hot-water, floor heating trigeneration heat pump system refrigeration+domestic hot-water's mould The system flow chart of formula.
Fig. 4 is the system of a kind of air-conditioning of the present invention, domestic hot-water, floor heating trigeneration heat pump system list heating mode Flow chart.
Fig. 5 is a kind of air-conditioning of the present invention, domestic hot-water, floor heating trigeneration heat pump system heating+domestic hot-water's mould The system flow chart of formula.
Fig. 6 is a kind of air-conditioning of the present invention, domestic hot-water, floor heating trigeneration heat pump system heating+floor heating+life heat The system flow chart of aqueous mode.
Fig. 7 is a kind of air-conditioning of the present invention, domestic hot-water, floor heating trigeneration heat pump system list domestic hot-water's mode System flow chart.
As shown in the figure, in which: 1- DC frequency-changeable compressor;2- oil eliminator;The first three-way diverter valve of 3-;4- water tank;5- First check valve;The second three-way diverter valve of 6-;7- four-way reversing valve;8- outdoor heat exchanger;9- heats main electric expansion valve;10- Liquid storage device;11- second one-way valve, the first solenoid valve of 12-;13- water-side heat;14- second solenoid valve;15- liquid pipe shut-off valve; 16- the first indoor electronic expansion valve;Electric expansion valve in 17- second Room;The first air-conditioning heat exchanger of 18-;The heat exchange of the second air-conditioning of 19- Device;20- tracheae shut-off valve;21- gas-liquid separator;22- low tension switch;23- high-voltage switch gear;24- high-pressure pressure sensor;25- Oil return capillary;26- unloading valve;27-suction temperature sensors;28-exhaust gas temperature sensors;29-water tank temperatures sensing Device;30-outer ring temperature sensors;31-defrosting temperature sensors;32-leaving water temperature sensors;33-inflow temperatures sensing.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific embodiments.
As shown in Fig. 1~7, the present invention provides a kind of heat pump system for realizing air-conditioning, floor heating, domestic hot-water's trilogy supply, Including DC frequency-changeable compressor 1, oil eliminator 2, the first three-way diverter valve 3, water tank 4, the second three-way diverter valve 6, four-way commutation Valve 7, outdoor heat exchanger 8, the main electric expansion valve 9 of heating, liquid storage device 10, water-side heat 13, the first check valve 5, second are unidirectional Valve 11, gas-liquid separator 21, air-conditioning heat exchanger component 100.
In the present embodiment, air-conditioning heat exchanger component 100 includes at least one air-conditioning heat exchanger and indoor electronic expansion valve, institute The indoor electronic expansion valve stated is located on the pipeline between the arrival end of air-conditioning heat exchanger and liquid pipe shut-off valve 15.Also, it is preferred that , air-conditioning heat exchanger is two the first air-conditioning heat exchangers 18 and the second air-conditioning heat exchanger 19 parallel with one another;Corresponding interior Electric expansion valve also there are two, electric expansion valve 17 in respectively the first indoor electronic expansion valve 16 and second Room, specifically, One electric expansion valve 16 is located on the 18 arrival end pipeline of the first air-conditioning heat exchanger, and the second electric expansion valve 17 is located at close to the On two air-conditioning heat exchangers, 19 arrival end pipeline.
The outlet of DC frequency-changeable compressor 1 is connected to 2 entrance of oil eliminator, and the outlet of oil eliminator 2 is changed with the first threeway It being connected to 3 entrance of valve, the first outlet of the first three-way diverter valve 3 is connected to 4 entrance of water tank, and the second of the first three-way diverter valve 3 Outlet is connected to the entrance of the second three-way diverter valve 6,6 entrance of outlet the first check valve 5 and the second three-way diverter valve of water tank 4 Connection.Wherein, the water tank temperature sensor 29 for detecting water temperature in water tank is equipped on water tank 4.
The first outlet of second three-way diverter valve 6 is connected to the entrance of four-way reversing valve 6, and the first of four-way reversing valve 7 goes out Mouth is connected to 8 entrance of outdoor heat exchanger, and the outlet of outdoor heat exchanger 8 is via the main electric expansion valve 9 of heating and 10 entrance of liquid storage device Connection, the second outlet of the second three-way diverter valve 6 is via second one-way valve 11 and 10 outlet of liquid storage device.In outdoor heat exchanger Outer ring temperature sensor 30 is additionally provided on 8, for detecting outdoor environment temperature;Defrost temperature sensor 31, for detecting defrosting temperature Degree, the temperature is as one of the entrance of judgement unit, the condition for exiting defrosting.
The outlet of liquid storage device 10 first passes around liquid pipe shut-off valve 15, then exchanges heat respectively via the first solenoid valve 12 with water side The connection of 13 entrance of device, is connected to, via in second Room with 18 entrance of the first air-conditioning heat exchanger via the first indoor electronic expansion valve 16 Electric expansion valve 17 is connected to 19 entrance of the second air-conditioning heat exchanger.
The outlet of water-side heat 13, the first air-conditioning heat exchanger 18, the second air-conditioning heat exchanger 19 is via tracheae shut-off valve 20 with the third outlet of four-way reversing valve 7, and the second electricity is equipped between the outlet of water-side heat 13 and tracheae shut-off valve 20 Magnet valve 14;The second outlet of four-way changing phase valve 7 is connected to via gas-liquid separator 21 with the gas returning port of DC frequency-changeable compressor 1.Tool Body, oil return capillary 25 is additionally provided between oil eliminator 2 and the gas returning port of DC frequency-changeable compressor 1.
In addition, high-voltage switch gear is equipped on the pipeline between the gas outlet of DC frequency-changeable compressor 1 and oil eliminator 2 23, high-pressure pressure sensor 24 and exhaust gas temperature sensor 28.In the second outlet and gas-liquid separator 21 of four-way reversing valve 7 Between be equipped with low tension switch 22 and suction temperature sensor 27.In the return line of oil eliminator 2 and DC frequency-changeable compressor 1 Between be additionally provided with unloading valve 26, for reducing high pressure or balance high and low pressure.
Inflow temperature sensor 33 is further respectively had on the water inlet, water outlet of water-side heat 13 and leaving water temperature passes Sensor 32.To detect water-in and water-out temperature, determines whether to reach user and set target.
Six operating modes of the working principle of the heat pump system point illustrate:
1, single refrigeration mode
Through the compressed high pressure gaseous refrigerant of DC frequency-changeable compressor 1, by oil eliminator 2, the first triplet commutation Valve 3, the second three-way diverter valve 6, four-way reversing valve 7 carry out heat convection with outdoor air into outdoor heat exchanger 8, condense Become the liquid refrigerants of medium temperature and medium pressure after heat release, then by heating main electric expansion valve 9, liquid storage device 10, liquid pipe shut-off valve 15, Through the first, second indoor electronic expansion valve 16,17 throttling after, into the first, second air-conditioning heat exchanger 18,19 with room air Heat convection is carried out, becomes the gas-liquid two-phase refrigerant of low-temp low-pressure, transtracheal shut-off valve 20, four-way reversing valve 7 after evaporation endothermic Into gas-liquid separator 21, liquid refrigerants is deposited on gas-liquid separator bottom, gaseous coolant return in DC frequency-changeable compressor 1 into Single refrigeration mode is completed in row compression.
2, refrigeration+domestic hot-water's mode
Through the compressed high pressure gaseous refrigerant of DC frequency-changeable compressor 1, by oil eliminator 2, the first triplet commutation Valve 3 enters condensation heat release in water tank 4 and generates domestic hot-water, then changes by the first check valve 5, the second three-way diverter valve 6, four-way To valve 7, heat convection is carried out with outdoor air into outdoor heat exchanger 8, becomes medium temperature and medium pressure after further condensing heat release Liquid refrigerants, then by heating main electric expansion valve 9, liquid storage device 10, liquid pipe shut-off valve 15, through the first, second indoor electronic After expansion valve 16,17 throttles, into heat convection is carried out in the first, second air-conditioning heat exchanger 18,19 with room air, evaporation is inhaled Become the gas-liquid two-phase refrigerant of low-temp low-pressure after heat, transtracheal shut-off valve 20, four-way reversing valve 7 enter gas-liquid separator 21, liquid In gas-liquid separator bottom, gaseous coolant returns in DC frequency-changeable compressor 1 to be compressed state refrigerant soak, completes refrigeration+life Hot-water mode living.
3, single heating mode
Through the compressed high pressure gaseous refrigerant of DC frequency-changeable compressor 1, by oil eliminator 2, the first triplet commutation Valve 3, the second three-way diverter valve 6, four-way reversing valve 7, tracheae shut-off valve 20, into the first, second air-conditioning heat exchanger 18,19 with Room air carries out heat convection, becomes the liquid refrigerants of medium temperature and medium pressure after condensation heat release, then passes through indoor electronic expansion valve 16,17, through liquid pipe shut-off valve 15, liquid storage device 10, after heating main electric expansion valve 9 and throttling, into outdoor heat exchanger 8 with room Outer air carries out heat convection, becomes the gas-liquid two-phase refrigerant of low-temp low-pressure after evaporation endothermic, enters gas-liquid through four-way reversing valve 7 Separator 21, liquid refrigerants are deposited on gas-liquid separator bottom, and gaseous coolant, which returns in DC frequency-changeable compressor 1, to be compressed, Complete single heating mode.
4, heating+domestic hot-water's mode
Through the compressed high pressure gaseous refrigerant of DC frequency-changeable compressor 1, by oil eliminator 2, the first triplet commutation Valve 3 enters condensation heat release in water tank 4 and generates domestic hot-water, then through the first check valve 5, the second three-way diverter valve 6, four-way reversing valve 7, tracheae shut-off valve 20 carries out heat convection with room air into the first, second air-conditioning heat exchanger 18,19, condenses heat release Become the liquid refrigerants of medium temperature and medium pressure afterwards, then pass through the first, second indoor electronic expansion valve 16,17, through liquid pipe shut-off valve 15, Liquid storage device 10 carries out heat convection with outdoor air into outdoor heat exchanger 8, steams after heating main electric expansion valve 9 and throttling The gas-liquid two-phase refrigerant for becoming low-temp low-pressure after hair heat absorption enters gas-liquid separator 21, liquid refrigerants deposition through four-way reversing valve 7 In gas-liquid separator bottom, gaseous coolant, which returns in DC frequency-changeable compressor 1, to be compressed, and completes heating+domestic hot-water's mode.
5, heating+floor heating+domestic hot-water's mode
Through the compressed high pressure gaseous refrigerant of DC frequency-changeable compressor 1, by oil eliminator 2, the first triplet commutation Valve 3 enters condensation heat release in water tank 4 and generates domestic hot-water, then through the first check valve 5, the second three-way diverter valve 6, four-way reversing valve 7, tracheae shut-off valve 20, a part of refrigerant enters in the first, second air-conditioning heat exchanger 18,19 to be changed with room air progress convection current Heat becomes the liquid refrigerants of medium temperature and medium pressure after condensing heat release, then passes through the first, second indoor electronic expansion valve 16,17, and one Divide refrigerant to enter in water-side heat 13 by second solenoid valve 14, generates floor heating hot water with water heat convection, cut through liquid pipe Only valve 15, with air-conditioning side heat exchange refrigerant converge after by, the first solenoid valve 12, liquid pipe shut-off valve 15, liquid storage device 10, through heating After main electric expansion valve 9 throttles, heat convection is carried out with outdoor air into outdoor heat exchanger 8, becomes low after evaporation endothermic The gas-liquid two-phase refrigerant of warm low pressure enters gas-liquid separator 21 through four-way reversing valve 7, and liquid refrigerants is deposited on gas-liquid separator bottom Portion, gaseous coolant, which returns in DC frequency-changeable compressor 1, to be compressed, and completes heating+floor heating+domestic hot-water's mode.
6, single domestic hot-water's mode
Through the compressed high pressure gaseous refrigerant of DC frequency-changeable compressor 1, by oil eliminator 2, the first triplet commutation Valve 3 enters condensation heat release in water tank 4 and generates domestic hot-water, then through the first check valve 5, the second three-way diverter valve 6, second one-way valve 11, liquid storage device 10 carry out convection current with outdoor air using heating to enter in outdoor heat exchanger 8 after main electric expansion valve 9 throttles It exchanging heat, by four-way reversing valve 7 after evaporation endothermic, into gas-liquid separator 21, liquid refrigerants is deposited on gas-liquid separator bottom, Gaseous coolant, which returns in DC frequency-changeable compressor 1, to be compressed, and single domestic hot-water's mode is completed.
Heat pump system of the invention has following obvious advantage compared with prior art:
1, the universal conventional trilogy supply of the prior art is water system, and in the present invention is fluorine system system;The heat exchange of water system is By fluorine → water → water, there are secondary heat exchanges, and in actual use, especially hot water side, effect are undesirable.In the present invention System be fluorine → air (air-conditioning side) and fluorine → water (floor heating, domestic hot-water side), secondary heat exchange is not present, effect is good.Especially It is domestic hot-water side, in compressor air-discharging side, can preferentially guarantees hot water effect;
2, the heating of traditional combined supply system and water heating cannot carry out simultaneously, and usually first water heating reaches setting water The transformation of ownership is hot again after temperature.System of the invention may be implemented to heat simultaneously and water heating.
Preferred embodiments of the present invention are described above, but are not to be construed as limiting the scope of the invention.This hair Bright to be not only limited to above embodiments, specific structure is allowed to vary, all institutes in the protection scope of demand for independence of the present invention The various change of work is within the scope of the invention.

Claims (3)

1. a kind of heat pump system for realizing air-conditioning, floor heating, domestic hot-water's trilogy supply, it is characterised in that: compressed including DC frequency-changing Machine (1), oil eliminator (2), the first three-way diverter valve (3), the second three-way diverter valve (6), four-way reversing valve (7), outdoor heat exchange Device (8), the main electric expansion valve (9) of heating, liquid storage device (10), water-side heat (13), the first check valve (5), second one-way valve (11), gas-liquid separator (21), air-conditioning heat exchanger component (100);
The outlet of DC frequency-changeable compressor (1) is connected to oil eliminator (2) entrance, the outlet and the first threeway of oil eliminator (2) The connection of reversal valve (3) entrance, the first outlet of the first three-way diverter valve (3) are connected to water tank (4) entrance, the first three-way diverter valve (3) second outlet is connected to the entrance of the second three-way diverter valve (6), the first check valve of outlet (5) and second of water tank (4) The connection of three-way diverter valve (6) entrance;
The first outlet of second three-way diverter valve (6) is connected to the entrance of four-way reversing valve (6), and the first of four-way reversing valve (7) Outlet is connected to outdoor heat exchanger (8) entrance, and the outlet of outdoor heat exchanger (8) is via the main electric expansion valve (9) of heating and liquid storage The second outlet of the connection of device (10) entrance, the second three-way diverter valve (6) is exported via second one-way valve (11) and liquid storage device (10) Connection;The outlet of liquid storage device (10) by liquid pipe shut-off valve (15) respectively with water-side heat (13), air-conditioning heat exchanger component (100) entrance connection, and water-side heat (13) is arranged in parallel with air-conditioning heat exchanger component (100);Wherein, water-side heat (13) the first solenoid valve (12) are equipped between arrival end and liquid pipe shut-off valve (15);
The outlet of water-side heat (13), air-conditioning heat exchanger component (100) is via tracheae shut-off valve (20) and four-way reversing valve (7) third outlet, and second solenoid valve (14) are equipped between water-side heat (13) outlet and tracheae shut-off valve (20); The second outlet of four-way changing phase valve (7) is connected to via gas-liquid separator (21) with the gas returning port of DC frequency-changeable compressor (1).
2. a kind of heat pump system for realizing air-conditioning, floor heating, domestic hot-water's trilogy supply according to claim 1, feature exist In: the air-conditioning heat exchanger component (100) includes at least one air-conditioning heat exchanger and indoor electronic expansion valve, the interior Electric expansion valve is located on the pipeline between the arrival end of air-conditioning heat exchanger and liquid pipe shut-off valve (15).
3. a kind of heat pump system for realizing air-conditioning, floor heating, domestic hot-water's trilogy supply according to claim 2, feature exist In: the air-conditioning heat exchanger is two the first air-conditioning heat exchangers (18) and the second air-conditioning heat exchanger (19) parallel with one another;Phase Corresponding indoor electronic expansion valve also there are two, electric expansion valve in respectively the first indoor electronic expansion valve (16) and second Room (17)。
CN201910789052.4A 2018-10-16 2019-08-26 A kind of heat pump system for realizing air-conditioning, floor heating, domestic hot-water's trilogy supply Pending CN110500827A (en)

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Application Number Priority Date Filing Date Title
CN2018112032904 2018-10-16
CN201811203290.4A CN109341157A (en) 2018-10-16 2018-10-16 A kind of heat pump system for realizing air-conditioning, floor heating, domestic hot-water's trilogy supply

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CN110500827A true CN110500827A (en) 2019-11-26

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CN201910789052.4A Pending CN110500827A (en) 2018-10-16 2019-08-26 A kind of heat pump system for realizing air-conditioning, floor heating, domestic hot-water's trilogy supply

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* Cited by examiner, † Cited by third party
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