CN105276833B - A kind of solar water heating system and heat pump heat refrigeration system and its method - Google Patents

A kind of solar water heating system and heat pump heat refrigeration system and its method Download PDF

Info

Publication number
CN105276833B
CN105276833B CN201510759923.XA CN201510759923A CN105276833B CN 105276833 B CN105276833 B CN 105276833B CN 201510759923 A CN201510759923 A CN 201510759923A CN 105276833 B CN105276833 B CN 105276833B
Authority
CN
China
Prior art keywords
heat exchanger
water
water tank
solar
heat
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.)
Active
Application number
CN201510759923.XA
Other languages
Chinese (zh)
Other versions
CN105276833A (en
Inventor
何国青
李至远
刘灯标
刘天际
许建丰
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.)
Zhejiang University ZJU
Original Assignee
Zhejiang University ZJU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang University ZJU filed Critical Zhejiang University ZJU
Priority to CN201510759923.XA priority Critical patent/CN105276833B/en
Publication of CN105276833A publication Critical patent/CN105276833A/en
Application granted granted Critical
Publication of CN105276833B publication Critical patent/CN105276833B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

Abstract

The invention discloses a kind of solar heat pump heating refrigeration system and its method.Solar water heating system changes heat collector outlet circulating fluid to so as to realize that solar energy is classified heat accumulation in many water tanks by flowing to adjusting means.Solar heat pump heating refrigeration system is combined based on solar water heating system with air source heat pump hot water system, when heating circulation, obtains the water tank of energy warms first from air using heat exchanger as evaporator;When heat exchanger frosting, and as condenser, obtain energy from the second water tank and defrosted.And the solar heat pump heating refrigerating method based on the system, different running method can be taken according to Various Seasonal by adjusting the folding of each valve.The system employs water tank and carries out classification energy storage by solar radiation intensity, improves the utilization rate of solar energy, and good heat supply or cooling effect can be also maintained under extreme conditions.

Description

A kind of solar water heating system and heat pump heat refrigeration system and its method
Technical field
The invention belongs to solar heat pump field, and in particular to a kind of solar water heating system and heat pump heat refrigeration system And its method.
Background technology
With our people's growth in the living standard, building energy consumption is continuously increased, wherein building heat supplying and domestic hot-water's energy Consumption increases especially fast.Traditional heat supply energy is fossil fuel, belongs to non-renewable, and causes air pollution, but also is led Cause global warming.In south China and hot-summer and cold-winter area, use gas heater and electric heater more hot water supply system, deposit The problem of efficiency is low and energy grad is wasted.Therefore, solar thermal utilization and efficient air source hot pump water heater are fine Energy-saving scheme.
But, shortcoming has been used alone in the two technologies.Solar energy is the unstable energy, when solar radiation is not enough, Heating and hot water demand can not be met, and the efficiency of air source heat pump is then reduced as ambient temperature is reduced, in microthermal climate When heating effect can not ensure.Therefore, two systems are combined, improves heat pump efficiency, improved solar energy utilization ratio, be current skill The developing direction of art.
The technical scheme that this kind of solar energy and heat pump are combined at present is broadly divided into two classes:(1) by the obtainable heat of the sun For the evaporation ends thermal source of heat pump, can be direct-expansion type application (such as 200710022284.4,201410222276.4) or Use the indirect type (or tandem, such as patent CN201220382850.9) of hot water storage tank.Although this method can be improved too Collecting efficiency during sun radiation very little, but this part solar energy this height is less, and need by consume the work(of compressor come Obtain.The extra power consumption in this part causes the overall Energy Efficiency Ratio of system without so good.In addition, there is compressor in directly Peng's formula system Evaporation ends working conditions change is big, and defrosting freezes, and the problem of overheat, the requirement to compressor is big, causes poor practicability.Finally, it is right In equipment more scattered system, the system of direct-expansion type increases the consumption of refrigerant, adds expense.(2) solar energy is made It is in parallel to water tank heat supply (such as patent 200810026991.5) for supplemental heat source, and air source heat pump.This stability of a system and Reliability is good compared with the first, but because solar thermal collection system is in the mode of operation of high-temperature water tank all the time, collecting efficiency is not high.
Therefore, current solar energy and heat pump are combined improved space in terms of efficiency.
The content of the invention
It is an object of the invention to solve problems of the prior art, and it is empty to provide a kind of multifunctional solar heat pump Adjusting system and its method.Concrete technical scheme is as follows:
Present invention firstly provides a kind of solar water heating system, including first flows to adjusting means, the second flow direction regulation Device, solar thermal collector, water circulating pump, First Heat Exchanger, the first water tank and the second water tank;First Heat Exchanger is arranged at first In water tank;The delivery port connection first of solar thermal collector flows to the entrance of adjusting means;First flows to the outlet of adjusting means It is connected all the way with the entrance of First Heat Exchanger, another road is connected with the outlet of First Heat Exchanger, second flows to entering for adjusting means Mouth is connected with the outlet of First Heat Exchanger;Second outlet for flowing to adjusting means is connected with the second tank entry all the way, Ling Yilu It is connected with the second tank outlet, the outlet of the second water tank is connected with solar thermal collector;Water circulating pump is used to be solar water System provides power;First flow to adjusting means, second flow to adjusting means be used for change export circulating fluid to.
Preferably, in addition to the second heat exchanger, the second heat exchanger is arranged in the second water tank, the second flow direction regulation What is be connected in the outlet of device with the second tank entry extends and is connected with the entrance of the second heat exchanger all the way, the second flow direction regulation What is be connected in the outlet of device with the second tank outlet extends and is connected with the outlet of the second heat exchanger all the way.
Preferably, in addition to three-tank and the 7th heat exchanger, the 7th heat exchanger is arranged in three-tank, and Seven heat exchanger imports are connected with the first the 3rd way outlet for flowing to adjusting means, and outlet is connected with the entrance of First Heat Exchanger.
Present invention also offers a kind of solar heat pump heating refrigeration system, in addition to including above-mentioned solar water heating system, Also include air source heat pump hot water system.Include the 8th heat exchanger in air source heat pump hot water system, heat circulation When, the 8th heat exchanger obtains the water tank of energy warms first as evaporator from air;When the 8th heat exchanger frosting, the 8th changes Hot device obtains energy as condenser, from the second water tank and defrosted.
Preferably, when system is heated and is freezed, heat is obtained to the first heating water tanks from the second water tank And by the 8th heat exchanger to air heat release.
As a kind of implementation of above-mentioned preferred scheme, the described air source heat pump circulatory system includes compressor, the One four-way valve, the first triple valve, the 3rd heat exchanger, the second four-way valve, choke valve, the 4th heat exchanger and the second triple valve, it is described The 3rd heat exchanger and the 4th heat exchanger be respectively arranged in the first water tank and the second water tank;Described the 3rd heat exchanger one end with The D ends connection of first four-way valve, the other end is connected with the b ends of the second four-way valve, the 4th heat exchanger one end and the c of the second four-way valve End connection, the other end is connected with one end of the second triple valve, the d ends of the second four-way valve successively with choke valve, the 8th heat exchanger and One end of first triple valve is connected, and the second end of the first triple valve is connected with the C-terminal of the first four-way valve, and the 3rd of the first triple valve the End is connected with a ends of the second four-way valve, and the second end of the second triple valve is connected with the D ends of the first four-way valve, the second triple valve 3rd end is connected with the C-terminal of the first four-way valve, and the side a and b of the entrance and exit of compressor respectively with the first four-way valve is connected.
Meanwhile, can basis present invention also offers a kind of solar heat pump heating refrigerating method of use said system Various Seasonal takes different running method, specific as follows:
Winter heating's water warm pattern:When there is solar radiation, water circulating pump starts, and is followed into solar heating season hot water Loop system operational mode;If the first water tank water temperature does not reach design temperature, start heat-pump hot-water circulatory system operational mode, When the 8th heat exchanger needs defrosting, heat pump enters cooling cycle system operational mode;
Transition season list heats aqueous mode:When there is solar radiation, water circulating pump starts, into solar energy non-heating season heat Water circulation system operational mode, if the first water tank water temperature does not reach design temperature, starts heat-pump hot-water circulatory system operation mould Formula;
Summer water heating and air conditioning mode:When there is solar radiation, water circulating pump starts, into solar energy non-heating season heat Water circulation system operational mode, if the first water tank water temperature does not reach design temperature, starts heat pump water heating refrigeration mode, if Water temperature reaches design temperature, then starts cooling cycle system operational mode.
Preferably, described solar heating season hot water cyclesystem operational mode is connected using following:
When solar thermal collector outlet temperature more than the first water tank temperature when, the first outlet for flowing to adjusting means refers to To the entrance of First Heat Exchanger, another port closing, the entrance of the second heat exchanger is pointed in the second outlet for flowing to adjusting means, separately One port closing, realizes solar energy successively to the first water tank, the function of the second heating water tanks;When the outlet temperature of solar thermal collector When spending the temperature more than the second water tank and being less than the temperature of the first water tank, the first outlet for flowing to adjusting means is pointed to first and exchanged heat The entrance of the second heat exchanger is pointed in the outlet of device, another port closing, the second outlet for flowing to adjusting means, and another outlet is closed Close, realize function of the solar energy only to the second heating water tanks;
Described solar energy non-heating season hot water cyclesystem operational mode is using following connection:
Point to the entrance of First Heat Exchanger, another port closing, the second flow direction regulation in the first outlet for flowing to adjusting means The outlet of the second heat exchanger is pointed in the outlet of device, and another port closing is realized only to the first heating water tanks;
Described heat-pump hot-water circulatory system operational mode is using following connection:
The A ends of first four-way valve and C-terminal connection, B ends and the connection of D ends, a ends of the second four-way valve and the connection of c ends, b ends and d End connection, the second triple valve connects D ends and the 4th heat exchanger of the first four-way valve, and the first triple valve connects the C of the first four-way valve End and the 8th heat exchanger, the other end are closed, and realize air source heat pump system to the first heating water tanks;
Described cooling cycle system operational mode is using following connection:
The B ends of first four-way valve and C-terminal connection, A and D connections, a ends of the second four-way valve and the connection of b ends, c ends and d ends connect Connect, the second triple valve connects the D mouths connection of the first four-way valve, the second triple valve connects D ends and the 4th heat exchange of the first four-way valve Device, the first triple valve connects the C-terminal and the 8th heat exchanger of the first four-way valve, and the other end is closed, and realizes the second water tank of cooling;
Described heat pump water heating refrigeration mode is using following connection:
The B ends of first four-way valve and the connection of D ends, A ends and C-terminal connection, a ends of second four-way valve and the connection of b ends, c End and the connection of d ends, second triple valve one end connect the C-terminal of the first four-way valve, one end and the connection of the 4th heat exchanger, and the 3rd end is closed Close, first triple valve one end connects a ends of the second four-way valve, one end connects the 8th heat exchanger, and the 3rd end is closed, constantly from second Water tank obtains heat, brings the first water tank and outdoor.
Compared with existing system, the system employs water tank and carries out classification energy storage by solar radiation intensity, improves The utilization rate of solar energy.Use heat pump water heating, it is to avoid use the electricity auxiliary heating of low-energy-efficiency.Solar energy is directly utilized, and is not disappeared Lossy compressor work(.Summer heat supply and cooling are added while the ability carried out.Operation of heat pump operating mode is stablized relatively, during domestic hot-water Pressure-bearing supplies water, and does not have the problem of germy danger also uses water unstable.Electrically heated pattern is used due to no, in extreme low temperature Weather under, the ability of supplying hot water might have deficiency, if but system and the mode of floor heating match, it is possible to use building Inertia and water temperature thermal storage effect, maintain the demand of hot water and heating.
Brief description of the drawings
Fig. 1 is the first embodiment schematic diagram of the solar water heating system of the present invention;
Fig. 2 is second of embodiment schematic diagram of the solar water heating system of the present invention;
Fig. 3 is the third embodiment schematic diagram of the solar water heating system of the present invention;
Fig. 4 is solar heat pump heating refrigeration system schematic diagram of the invention;
Fig. 5 is solar heating season hot water cyclesystem schematic diagram of the present invention (when radiation is strong);
Fig. 6 is solar heating season hot water cyclesystem schematic diagram of the present invention (when radiation is general strong);
Fig. 7 is the system schematic of solar energy non-heating season hot water cyclesystem of the present invention;
Fig. 8 is the system schematic of air source heat pump hot water system of the present invention;
Fig. 9 is the system schematic of cooling cycle system of the present invention.
In figure, first flows to adjusting means 1, second flows to adjusting means 2, solar thermal collector 3, water circulating pump 4, second Triple valve 5, the second four-way valve 6, choke valve 7, the 8th heat exchanger 8, compressor 9, the 3rd heat exchanger 10, First Heat Exchanger 11, Five heat exchangers 12, the 4th heat exchanger 13, the second heat exchanger 14, the 6th heat exchanger 15, the second water tank 16, the first water tank 17, first Four-way valve 18, the first triple valve 19, the heat exchanger 21 of three-tank 20 and the 7th.
Embodiment
The structure and the method for operation to the present invention are described further below in conjunction with the accompanying drawings.It should be noted that following Various specific preferred embodiments can be mutually combined in the case where not colliding with each other.In Figure of description, in Fig. 4~9 Dotted line represent under the pattern, the pipeline of liquid actual circulation.
The present invention proposes that a kind of solar water heating system and heat pump heat refrigeration system and its method, by solar thermal utilization Technology and air source heat pump technology are organically combined, it is ensured that heating, under the requirement of domestic hot-water and summer cooling, improve solar energy Utilization rate, improve the Energy Efficiency Ratio of whole heating.
A kind of solar water heating system, as shown in figure 1, including first flow to adjusting means 1, second flow to adjusting means 2, Solar thermal collector 3, water circulating pump 4, First Heat Exchanger 11, the first water tank 17 and the second water tank 16;First Heat Exchanger 11 is set In the first water tank 17;The delivery port connection first of solar thermal collector 3 flows to the entrance of adjusting means 1;First flow direction regulation Entrance of the outlet of device 1 all the way with First Heat Exchanger 11 is connected, and another road is connected with the outlet of First Heat Exchanger 11, second It is connected to the entrance of adjusting means 2 with the outlet of First Heat Exchanger 11;Second flow to the outlet of adjusting means 2 all the way with the second water The entrance of case 16 is connected, and another road is connected with the outlet of the second water tank 16, and the outlet of the second water tank 16 is connected with solar thermal collector 3; Water circulating pump 4 is used to provide power for solar water heating system;First flows to adjusting means 1, second flows to adjusting means 2 and be used for Change outlet circulating fluid to.First flow to adjusting means 1, second flow to adjusting means 2 can be using triple valve or on pipeline It is respectively mounted the modes such as control valve to realize, as long as the pipeline that its valve export circulating fluid is passed through can be controlled.Using this System can make solar water store heat energy to different water tanks by solar radiation strength grading, improve solar energy utilization ratio..
Also include the second heat exchanger 14, second in the medium of solar energy circulation fluid and the second water tank 16, system to separate Heat exchanger 14 is arranged in the second water tank 16, and second flows to one be connected in the outlet of adjusting means 2 with the entrance of the second water tank 16 Road extend simultaneously be connected with the entrance of the second heat exchanger 14, second flow in the outlet of adjusting means 2 with the second water tank 16 outlet phase What is connected extends and is connected with the outlet of the second heat exchanger 14 all the way, specific visible Fig. 2.
The multistage water tank of the present invention can be arranged as required to multiple.When setting three-level water tank, as shown in figure 3, system In also include the heat exchanger 21 of three-tank 20 and the 7th, the 7th heat exchanger 21 is arranged in three-tank 20, the 7th heat exchanger 21 Import is connected with the first the 3rd way outlet for flowing to adjusting means 1, and outlet is connected with the entrance of First Heat Exchanger 11.With it is existing Solar energy heat distribution system is compared, and classification energy storage is carried out by solar radiation intensity present invention employs multistage water tank, can basis Need the water different to temperature in different water tanks to be allocated to use, improve the utilization rate of solar energy.
Present invention also offers a kind of solar heat pump heating refrigeration system, including above-mentioned solar water heating system, also wrap Include in air source heat pump hot water system, air source heat pump hot water system generally all include a heat exchanger (here for differentiation, Referred to as the 8th heat exchanger 8), the 8th heat exchanger 8 can be used as wind-cooled evaporator and condenser simultaneously:When heating circulation, the 8th Heat exchanger 8 obtains the first water tank of energy warms 17 as evaporator from air;When the 8th 8 frosting of heat exchanger, the 8th heat exchange Device 8 obtains energy as condenser, from the second water tank 16 and defrosted.
Simultaneously as a further improvement, when system is heated and is freezed, heat is obtained to first from the second water tank 16 Water tank 17 is heated and by the 8th heat exchanger 8 to air heat release.
The hot-water heating system of three kinds of foregoing embodiments operationally, can coordinate air source heat pump hot water system to enter enforcement With.Air source heat pump hot water system can use various structures of the prior art, as long as internal contain the 8th described heat exchanger .But in view of using effect, the air source heat pump hot water system of above-mentioned design function can be realized the invention provides a kind of Connected mode of uniting (as shown in Figures 1 to 3), be specially:The air source heat pump circulatory system includes compressor 9, the first four-way valve 18, the One triple valve 19, the 3rd heat exchanger 10, the second four-way valve 6, choke valve 7, the 4th heat exchanger 13 and the second triple valve 5, it is described 3rd heat exchanger 10 and the 4th heat exchanger 13 are respectively arranged in the first water tank 17 and the second water tank 16;The 3rd described heat exchanger 10 one end are connected with the D ends of the first four-way valve 18, and the other end is connected with the b ends of the second four-way valve 6, the one end of the 4th heat exchanger 13 with The c ends connection of second four-way valve 6, the other end is connected with one end of the second triple valve 5, the d ends of the second four-way valve 6 successively with throttling One end of valve 7, the 8th heat exchanger 8 and the first triple valve 19 is connected, the second end of the first triple valve 19 and the C of the first four-way valve 18 End is connected, and the 3rd end of the first triple valve 19 is connected with a ends of the second four-way valve 6, the second end and the one or four of the second triple valve 5 The D ends of port valve 18 are connected, and the 3rd end of the second triple valve 5 is connected with the C-terminal of the first four-way valve 18, the entrance of compressor 9 with go out Side a and b of the mouth respectively with the first four-way valve 18 is connected.
First water tank 17, the second water tank 16 constitute a set of multifunction storage boiler.In heating season, the first water tank 17 is stored up Deposit high-temperature-hot-water, the second water tank 16 storage low-temperature water heating;In transition season, the first water tank 17 storage high-temperature-hot-water;It is empty in summer Adjust season, the first water tank 17 storage high-temperature-hot-water, the second water tank 16 storage cold water is achieved in the efficient utilization of solar energy.
Based on above-mentioned solar heat pump heating refrigeration system, present invention also offers a kind of solar heat using the system Heat pump heating refrigerating method, can take different running method according to Various Seasonal, specific as follows:
Winter heating's water warm pattern:When there is solar radiation, water circulating pump starts, and is followed into solar heating season hot water Loop system operational mode;If the water temperature of the first water tank 17 does not reach design temperature, start heat-pump hot-water circulatory system operation mould Formula, when the 8th heat exchanger 8 needs defrosting, heat pump enters cooling cycle system operational mode;
Transition season list heats aqueous mode:When there is solar radiation, water circulating pump starts, into solar energy non-heating season heat Water circulation system operational mode, if the water temperature of the first water tank 17 does not reach design temperature, starts the operation of the heat-pump hot-water circulatory system Pattern;
Summer water heating and air conditioning mode:When there is solar radiation, water circulating pump starts, into solar energy non-heating season heat Water circulation system operational mode, if the water temperature of the first water tank 17 does not reach design temperature, starts heat pump water heating refrigeration mode, such as Fruit water temperature reaches design temperature, then starts cooling cycle system operational mode.
Above-mentioned various operational modes can be realized by each valve in transformation system, specific as follows:
Described solar heating season hot water cyclesystem operational mode is connected using following:
As shown in figure 5, when solar thermal collector 3 outlet temperature more than the first water tank 17 temperature when, first flow direction adjust The entrance of First Heat Exchanger 11 is pointed in the outlet of regulating device 1, and another port closing, the second outlet for flowing to adjusting means 2 is pointed to The entrance of second heat exchanger 14, another port closing realizes the work(that solar energy is heated to the first water tank 17, the second water tank 16 successively Energy;As shown in fig. 6, when solar thermal collector 3 outlet temperature more than the second water tank 16 temperature and less than the first water tank 17 During temperature, the outlet of First Heat Exchanger 11 is pointed in the first outlet for flowing to adjusting means 1, and another port closing, the second flow direction is adjusted The entrance of the second heat exchanger 14 is pointed in the outlet of regulating device 2, and another port closing realizes that solar energy is only heated to the second water tank 16 Function;
Described solar energy non-heating season hot water cyclesystem operational mode is using following connection:
As shown in fig. 7, first flow to adjusting means 1 outlet point to First Heat Exchanger 11 entrance, another port closing, The outlet of the second heat exchanger 14 is pointed in second outlet for flowing to adjusting means 2, and another port closing is realized only to the first water tank 17 Heating;
Described heat-pump hot-water circulatory system operational mode is using following connection:
As shown in figure 8, the A ends of the first four-way valve 18 and C-terminal connection, B ends and the connection of D ends, a ends of the second four-way valve 6 and c End connection, b ends and the connection of d ends, the second triple valve 5 connect D ends and the 4th heat exchanger 13 of the first four-way valve 18, the first triple valve The C-terminal and the 8th heat exchanger 8 of 19 the first four-way valves 18 of connection, the other end are closed, and realize air source heat pump system to the first water tank 17 heating;
Described cooling cycle system operational mode is using following connection:
As shown in figure 9, the B ends of the first four-way valve 18 and C-terminal connection, A and D connections, a ends of the second four-way valve 6 and b ends connect Connect, c ends and the connection of d ends, the second triple valve 5 connect the D mouths connection of the first four-way valve 18, the second triple valve 5 connects the first four-way The D ends of valve 18 and the 4th heat exchanger 13, the first triple valve 19 connect the C-terminal and the 8th heat exchanger 8 of the first four-way valve 18, the other end Close, realize the second water tank 16 of cooling;
Described heat pump water heating refrigeration mode is using following connection:
As shown in figure 4, the B ends of the first four-way valve 18 and the connection of D ends, A ends and C-terminal connection, a of second four-way valve 6 End and the connection of b ends, c ends and the connection of d ends, one end of the second triple valve 5 connect the C-terminal of the first four-way valve 18, one end and the 4th heat exchange Device 13 is connected, and the 3rd end is closed, and the one end of the first triple valve 19 connects a ends of the second four-way valve 6, and one end connects the 8th heat exchanger 8, 3rd end is closed, and constantly obtains heat from the second water tank 16, brings the first water tank 17 and outdoor heating.
A heat exchanger (the i.e. He of the 5th heat exchanger 12 in Fig. 1 can be placed in first water tank 17 and the second water tank 16 respectively 6th heat exchanger 15), the heat exchange for providing domestic hot-water.
The multifunctional solar heat pump system and method that the present invention is designed, make full use of solar energy and air heat energy etc. can The renewable sources of energy, realize summer cooling supplying hot water, heat supply in winter supplying hot water.The defrosting of Heating Season wind-cooled evaporator can pass through storage Low-grade solar energy realize, it is to avoid the fluctuation of boiler water temperature.What the acquisition of domestic hot-water was progressively heated using heat exchanger Mode, obtains from the water tank of storage, is pressure-bearing running water, it is to avoid the problem of bacteria breed and pressure transient.Sun in summer energy When being not enough to produce domestic hot-water, the mode of water-cooled condenser and the air-cooled condenser series connection of air-conditioning system realizes chilled water Hot water is obtained simultaneously.Solar energy hierarchical is stored according to solar radiation intensity, the utilization rate of solar energy is improved, heat pump is reduced Power consumption.Technology is especially suitable for hot-summer and cold-winter area, using the building of radiation cooling and floor heating.

Claims (6)

1. a kind of solar heat pump heating refrigeration system, it is characterised in that:Including solar water heating system and air source heat pump heat Water system, described solar water heating system flows to adjusting means including first(1), second flow to adjusting means(2), solar energy Heat collector(3), water circulating pump(4), First Heat Exchanger(11), the first water tank(17)With the second water tank(16);First Heat Exchanger (11)It is arranged at the first water tank(17)In;Solar thermal collector(3)Delivery port connection first flow to adjusting means(1)Enter Mouthful;First flows to adjusting means(1)Outlet all the way with First Heat Exchanger(11)Entrance be connected, another road and First Heat Exchanger (11)Outlet be connected, second flows to adjusting means(2)Entrance and First Heat Exchanger(11)Outlet be connected;Second flow direction is adjusted Regulating device(2)Outlet all the way with the second water tank(16)Entrance is connected, another road and the second water tank(16)Outlet is connected, the second water Case(16)Outlet and solar thermal collector(3)It is connected;Water circulating pump(4)For providing power for solar water heating system;The One flows to adjusting means(1), second flow to adjusting means(2)For change outlet circulating fluid to;Described air source heat pump Hot-water heating system includes the 8th heat exchanger(8), when heating circulation, the 8th heat exchanger(8)Energy is obtained from air as evaporator Amount the first water tank of heating(17);When the 8th heat exchanger(8)During frosting, the 8th heat exchanger(8)As condenser, from the second water tank (16)Energy is obtained to be defrosted.
2. solar heat pump heating refrigeration system as claimed in claim 1, it is characterised in that also including the second heat exchanger (14), the second heat exchanger(14)It is arranged at the second water tank(16)In, second flows to adjusting means(2)Outlet in the second water tank (16)The connected extension all the way of entrance and with the second heat exchanger(14)Entrance be connected, second flows to adjusting means(2)Outlet In with the second water tank(16)The connected extension all the way in outlet and with the second heat exchanger(14)Outlet be connected.
3. solar heat pump heating refrigeration system as claimed in claim 1, it is characterised in that also including three-tank(20)With 7th heat exchanger(21), the 7th heat exchanger(21)It is arranged at three-tank(20)In, the 7th heat exchanger(21)Import with it is first-class To adjusting means(1)The 3rd way outlet be connected, outlet and First Heat Exchanger(11)Entrance be connected.
4. solar heat pump heating refrigeration system as claimed in claim 1, it is characterised in that when system is heated and is freezed When, from the second water tank(16)Heat is obtained to the first water tank(17)Heat and pass through the 8th heat exchanger(8)To air heat release.
5. solar heat pump heating refrigeration system as claimed in claim 1, it is characterised in that described air source heat pump circulation System includes compressor(9), the first four-way valve(18), the first triple valve(19), the 3rd heat exchanger(10), the second four-way valve(6), Choke valve(7), the 4th heat exchanger(13)With the second triple valve(5), described the 3rd heat exchanger(10)With the 4th heat exchanger(13) It is respectively arranged at the first water tank(17)With the second water tank(16)In;The 3rd described heat exchanger(10)One end and the first four-way valve (18)The connection of D ends, the other end and the second four-way valve(6)B ends connection, the 4th heat exchanger(13)One end and the second four-way valve (6)The connection of c ends, the other end and the second triple valve(5)One end connection, the second four-way valve(6)D ends successively with choke valve (7), the 8th heat exchanger(8)And first triple valve(19)One end be connected, the first triple valve(19)The second end and the first four-way Valve(18)C-terminal be connected, the first triple valve(19)The 3rd end and the second four-way valve(6)A ends connection, the second triple valve(5) The second end and the first four-way valve(18)D ends be connected, the second triple valve(5)The 3rd end and the first four-way valve(18)C-terminal It is connected, compressor(9)Entrance and exit respectively with the first four-way valve(18)Side a and b be connected.
6. the solar heat pump heating refrigerating method of system described in a kind of usage right requirement 5, it is characterised in that according to different seasons Section takes different running method, specific as follows:
Winter heating's water warm pattern:When there is solar radiation, water circulating pump starts, into solar heating season hot water circuit system System operational mode;If the first water tank(17)When water temperature does not reach design temperature, start heat-pump hot-water circulatory system operational mode, When the 8th heat exchanger(8)When needing defrosting, heat pump enters cooling cycle system operational mode;
Transition season list heats aqueous mode:When there is solar radiation, water circulating pump starts, and is followed into solar energy non-heating season hot water Loop system operational mode, if the first water tank(17)Water temperature does not reach design temperature, starts heat-pump hot-water circulatory system operation mould Formula;
Summer water heating and air conditioning mode:When there is solar radiation, water circulating pump starts, and is followed into solar energy non-heating season hot water Loop system operational mode, if the first water tank(17)Water temperature does not reach design temperature, starts heat pump water heating refrigeration mode, if Water temperature reaches design temperature, then starts cooling cycle system operational mode;
Described solar heating season hot water cyclesystem operational mode is connected using following:
Work as solar thermal collector(3)Outlet temperature more than the first water tank(17)Temperature when, first flows to adjusting means(1)'s Point to First Heat Exchanger in outlet(11)Entrance, another port closing, second flows to adjusting means(2)Outlet point to and second change Hot device(14)Entrance, another port closing, realize solar energy successively give the first water tank(17), the second water tank(16)The work(of heating Energy;Work as solar thermal collector(3)Outlet temperature more than the second water tank(16)Temperature and less than the first water tank(17)Temperature When, first flows to adjusting means(1)Outlet point to First Heat Exchanger(11)Outlet, another port closing, second flow direction adjust Regulating device(2)Outlet point to the second heat exchanger(14)Entrance, another port closing, realize solar energy only give the second water tank (16)The function of heating;
Described solar energy non-heating season hot water cyclesystem operational mode is using following connection:
First flows to adjusting means(1)Outlet point to First Heat Exchanger(11)Entrance, another port closing, second flow direction adjust Regulating device(2)Outlet point to the second heat exchanger(14)Outlet, another port closing, realize only give the first water tank(17)Plus Heat;
Described heat-pump hot-water circulatory system operational mode is using following connection:
First four-way valve(18)A ends and C-terminal connection, B ends and D ends connection, the second four-way valve(6)A ends and c ends connection, b ends With the connection of d ends, the second triple valve(5)Connect the first four-way valve(18)D ends and the 4th heat exchanger(13), the first triple valve(19) Connect the first four-way valve(18)C-terminal and the 8th heat exchanger(8), the other end close, realize air source heat pump system give the first water Case(17)Heating;
Described cooling cycle system operational mode is using following connection:
First four-way valve(18)B ends and C-terminal connection, A and D connections, the second four-way valve(6)A ends and the connection of b ends, c ends and d End connection, the second triple valve(5)Connect the first four-way valve(18)D mouths connection, the second triple valve(5)Connect the first four-way valve (18)D ends and the 4th heat exchanger(13), the first triple valve(19)Connect the first four-way valve(18)C-terminal and the 8th heat exchanger (8), other end closing, realization the second water tank of cooling(16);
Described heat pump water heating refrigeration mode is using following connection:
First four-way valve(18)B ends and D ends connection, A ends and C-terminal connection, second four-way valve(6)A ends and b ends connect Connect, c ends and the connection of d ends, the second triple valve(5)One end connects the first four-way valve(18)C-terminal, one end and the 4th heat exchanger(13) Connection, the 3rd end is closed, the first triple valve(19)One end connects the second four-way valve(6)A ends, one end connect the 8th heat exchanger (8), the 3rd end is closed, constantly from the second water tank(16)Heat is obtained, the first water tank is brought(17)And it is outdoor.
CN201510759923.XA 2015-11-10 2015-11-10 A kind of solar water heating system and heat pump heat refrigeration system and its method Active CN105276833B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510759923.XA CN105276833B (en) 2015-11-10 2015-11-10 A kind of solar water heating system and heat pump heat refrigeration system and its method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510759923.XA CN105276833B (en) 2015-11-10 2015-11-10 A kind of solar water heating system and heat pump heat refrigeration system and its method

Publications (2)

Publication Number Publication Date
CN105276833A CN105276833A (en) 2016-01-27
CN105276833B true CN105276833B (en) 2017-08-25

Family

ID=55146298

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510759923.XA Active CN105276833B (en) 2015-11-10 2015-11-10 A kind of solar water heating system and heat pump heat refrigeration system and its method

Country Status (1)

Country Link
CN (1) CN105276833B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105509363B (en) * 2016-01-31 2017-10-31 嘉兴学院 High-efficiency cleaning multiple-energy-source comprehensively utilizes cold-hot combined supply system
CN108981189A (en) * 2018-09-07 2018-12-11 白冰 A kind of heat storage and cold accumulation circulatory system
CN111426157B (en) * 2020-04-14 2021-07-02 浙江宝威电气有限公司 Heat-conducting oven of heat pipe of solar electromagnetic dual-energy heat supply storage pipe part
CN113531634A (en) * 2020-04-17 2021-10-22 青岛海尔空调电子有限公司 Solar energy and water source heat pump coupling system and method
CN112413908A (en) * 2020-11-25 2021-02-26 沈阳建筑大学 Double-heat-compensation multi-source heat pump coupling energy supply system
CN113945013B (en) * 2021-11-12 2022-08-12 湖南大学 Energy supply system with solar heat collector and heat pump coupled and control method
CN113945014B (en) * 2021-11-12 2022-09-02 湖南大学 Energy supply system with solar heat collector and heat pump coupled and control method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4364239A (en) * 1980-06-20 1982-12-21 Electricite De France (Service National) Hot water supply apparatus comprising a thermodynamic circuit
US7827814B2 (en) * 2009-08-12 2010-11-09 Hal Slater Geothermal water heater
KR101150659B1 (en) * 2011-07-29 2012-05-25 한국해양연구원 Refrigeration and air-conditioning system for ice rink using deep seawater
CN202660661U (en) * 2012-05-10 2013-01-09 上海交通大学 Solar heat pump air conditioner system realizing auxiliary heating and auxiliary refrigeration
CN103216898A (en) * 2013-04-23 2013-07-24 天津鼎拓科技有限公司 Refrigeration and heat supply system and refrigeration and heat supply method of solar energy and heat pump system combined operation
CN205119519U (en) * 2015-11-10 2016-03-30 浙江大学 Solar water heating system and heat pump heat refrigerating system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4364239A (en) * 1980-06-20 1982-12-21 Electricite De France (Service National) Hot water supply apparatus comprising a thermodynamic circuit
US7827814B2 (en) * 2009-08-12 2010-11-09 Hal Slater Geothermal water heater
KR101150659B1 (en) * 2011-07-29 2012-05-25 한국해양연구원 Refrigeration and air-conditioning system for ice rink using deep seawater
CN202660661U (en) * 2012-05-10 2013-01-09 上海交通大学 Solar heat pump air conditioner system realizing auxiliary heating and auxiliary refrigeration
CN103216898A (en) * 2013-04-23 2013-07-24 天津鼎拓科技有限公司 Refrigeration and heat supply system and refrigeration and heat supply method of solar energy and heat pump system combined operation
CN205119519U (en) * 2015-11-10 2016-03-30 浙江大学 Solar water heating system and heat pump heat refrigerating system

Also Published As

Publication number Publication date
CN105276833A (en) 2016-01-27

Similar Documents

Publication Publication Date Title
CN105276833B (en) A kind of solar water heating system and heat pump heat refrigeration system and its method
CN100422663C (en) Multiple heat source multifunction solar energy heat pump
CN202041020U (en) Household air-source heat pump-floor radiation multifunctional system
CN105258377B (en) Based on solar air source heat pumps trilogy supply device
CN103398505B (en) A kind of associating heat pump and solar water HVAC system
CN107062473A (en) A kind of solar air source heat pumps combined supply system
CN205351809U (en) Changes in temperature circulation system for house
CN105222404B (en) It is a kind of to utilize solar energy-air energy heat pump system
CN107355841A (en) A kind of electrically driven (operated) air source heat pump multi-mode heating system of low ebb
CN109114804A (en) Photovoltaic-alternating current joint driving photovoltaic and photothermal integral double-source heat pump water heating system and its operation method
CN202254480U (en) Multifunctional water-heating air-conditioning system
CN205119519U (en) Solar water heating system and heat pump heat refrigerating system
CN206959110U (en) A kind of photovoltaic and photothermal solar integration joint air source heat pump heating system
CN103388922B (en) Dual-compressor multifunctional air source heat pump air conditioner system
CN205783996U (en) A kind of double-source heat pump accumulation of energy heating/refrigeration system
CN205332591U (en) Supplementary air source heat pump's of solar energy trigeminy supplies device
CN208124682U (en) Full efficiency combination type air source heat pump system
CN110160115A (en) Double-source heat pump system
CN105674449A (en) Triple-generation system based on energy-saving solar air source heat pump
CN106016825A (en) Solar and air source heat pump dual heat source tri-generation system
CN205641309U (en) Supply system based on solar energy air source heat pump trigeminy
CN106802024B (en) A kind of heat pump air conditioner and domestic hot-water's association system based on phase-change accumulation energy
CN101566408B (en) Indirect-expansion multifunctional solar energy auxiliary air condition system
CN205119551U (en) Supply device based on solar energy - air source heat pump trigeminy
CN108731156A (en) A kind of cold and hot alliance intelligence system based on energy-storage module

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant