CN110307659A - A kind of air source heat pump system of liquid coolant joint phase-transition heat-storage defrosting - Google Patents
A kind of air source heat pump system of liquid coolant joint phase-transition heat-storage defrosting Download PDFInfo
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- CN110307659A CN110307659A CN201910589361.7A CN201910589361A CN110307659A CN 110307659 A CN110307659 A CN 110307659A CN 201910589361 A CN201910589361 A CN 201910589361A CN 110307659 A CN110307659 A CN 110307659A
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- 238000005338 heat storage Methods 0.000 title claims abstract description 66
- 239000007788 liquid Substances 0.000 title claims abstract description 65
- 238000010257 thawing Methods 0.000 title claims abstract description 50
- 239000002826 coolant Substances 0.000 title claims abstract description 19
- 230000008859 change Effects 0.000 claims abstract description 48
- 238000003860 storage Methods 0.000 claims abstract description 30
- 239000003507 refrigerant Substances 0.000 claims description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 239000011232 storage material Substances 0.000 claims description 13
- 239000012782 phase change material Substances 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 6
- 230000009466 transformation Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 12
- 238000001704 evaporation Methods 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000004781 supercooling Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S60/00—Arrangements for storing heat collected by solar heat collectors
- F24S60/10—Arrangements for storing heat collected by solar heat collectors using latent heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/002—Machines, plants or systems, using particular sources of energy using solar energy
- F25B27/005—Machines, plants or systems, using particular sources of energy using solar energy in compression type systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention discloses a kind of air source heat pump systems of liquid coolant joint phase-transition heat-storage defrosting, including compressor；Compressor is connect with indoor heat exchanger；Indoor heat exchanger is connect with liquid storage device；Liquid storage device is connect with first throttle valve and the second valve respectively；First throttle valve is connect with the first valve；After first valve and the second valve are converged by hollow connecting pipe, it is connect with outdoor heat exchanger；Outdoor heat exchanger is connect with second throttle and third valve respectively；Second throttle is connect with the 4th valve；After third valve and the 4th valve are converged by hollow connecting pipe, it is connect respectively with the 5th valve and the 6th valve；6th valve is connect with phase change heat storage tank；5th valve and phase change heat storage tank are connect after being converged by hollow connecting pipe with compressor.While the present invention heats in winter, the defrosting of outdoor heat exchanger is carried out using the liquid coolant in liquid storage device, while recycling the cooling capacity of frost layer, ensure that economy and stability.
Description
Technical field
The present invention relates to refrigerated air-conditioning system technical fields, combine phase-transition heat-storage defrosting more particularly to a kind of liquid coolant
Air source heat pump system.
Background technique
Currently, air source heat pump system is widely used in the work and life of people, become people
Indispensable important component in work and life.
Since air source heat pump is towards broader marketplace platform, the problem of making its running Optimization, becomes increasingly to weigh
It wants, especially the defrosting problem on outdoor heat exchanger surface, how to solve the problems, such as system optimized operation, especially outdoor low temperature environment
The defrosting problem on lower outdoor heat exchanger surface is very crucial technical problem.
For existing air source heat pump system, using four-way reversing valve commutation Defrost mode, there are energy losses greatly, removes
The problems such as white time is long, when which runs in winter, when outdoor heat exchanger surface temperature lower than zero degree and is lower than outdoor air
When dew-point temperature, heat exchanger surface will frosting, with the continuous thickening of frost layer, heat transfer between refrigerant and outdoor air heat
Resistance also becomes larger therewith, in addition, frost layer can become the obstruction of air flowing between heat exchange fin, and then leads to outdoor heat exchanger heat-exchange performance
It can deteriorate, cause the heating capacity of air source heat pump system to reduce, seriously affected the heating working efficiency of air source heat pump system.
In addition, under outdoor heat exchanger surface frosting serious situation, shutting down defrosing cycle contracting in the case that winter outside air temperature is very low
Short and defrosting duration increases, and causes to be unable to satisfy normal heat demand, and then the energy consumption of compressor is caused to increase, the property of system
The technical issues of energy index (COP) drastically reduces,
Summary of the invention
The purpose of the present invention is being directed to technological deficiency existing in the prior art, a kind of liquid coolant joint phase transformation storage is provided
The air source heat pump system of hot defrosting.
For this purpose, the present invention provides a kind of air source heat pump system of liquid coolant joint phase-transition heat-storage defrosting, including pressure
Contracting machine；
The refrigerant outlet of compressor and the first interface of indoor heat exchanger connect；
The second interface of indoor heat exchanger is connect with the first interface of liquid storage device；
The second interface of liquid storage device is connect with the first interface of the first interface of first throttle valve and the second valve respectively；
The second interface of first throttle valve is connect with the first interface of the first valve；
The second interface of the second interface of first valve and the second valve, after hollow connecting pipe confluence, with room
The first interface of outside heat exchanger connects；
The second interface of outdoor heat exchanger, respectively with the first interface of the first interface of second throttle and third valve
Connection；
The second interface of second throttle is connect with the first interface of the 4th valve；
The second interface of the second interface of third valve and the 4th valve, after hollow connecting pipe confluence, respectively
It is connect with the first interface of the first interface of the 5th valve and the 6th valve；
The second interface of 6th valve and the refrigerant first interface of phase change heat storage tank connect；
The second interface of 5th valve and the refrigerant second interface of phase change heat storage tank are converged by hollow connecting pipe
Afterwards, it is connect with the refrigerant inlet of compressor.
Wherein, first throttle valve and second throttle are electric expansion valve.
Wherein, remaining valve in addition to first throttle valve and second throttle is straight forward direction solenoid valve.
Wherein, compressor, liquid storage device, outdoor heat exchanger, phase change heat storage tank and solar thermal collector are arranged in outdoor；Room
Inside heat exchanger is arranged indoors.
Wherein, it is injected with phase change heat storage material in phase change heat storage tank, is placed on one inside the phase change heat storage material
The water heat exchanger tube of the refrigerant heat exchanger pipe of lower distribution and about one distribution；
Refrigerant heat exchanger pipe and the setting of water heat exchanger tube interval；
Refrigerant heat exchanger pipe and the outer wall of water heat exchanger tube are wrapped up by the phase-change material；
Refrigerant first interface of the refrigerant first interface of refrigerant heat exchanger pipe upper end as phase change heat storage tank；
Refrigerant second interface of the refrigerant second interface of refrigerant heat exchanger pipe lower end as phase change heat storage tank；
The water outlet of water heat exchanger tube upper end is connected by inlet valve with the water inlet of solar thermal collector；
The water inlet of water heat exchanger tube lower end is connected by outlet valve with the water outlet of solar thermal collector.
By the above technical solution provided by the invention as it can be seen that compared with prior art, the present invention provides a kind of liquid
Refrigerant combine phase-transition heat-storage defrosting air source heat pump system, may be implemented indoor heat exchanger in winter persistently heat it is same
When, the defrosting of outdoor heat exchanger is carried out using the liquid coolant in liquid storage device, phase change heat storage tank absorbs solar thermal collector
Heat carries out accumulation of heat, and the evaporation of refrigerant provides heat when being defrosting, meanwhile, liquid refrigerant in liquid storage device is in defrosting time
The cooling capacity for having received frost layer, increases degree of supercooling, improves the efficiency of defrosting, reduces room temperature wave because of caused by defrosting
It is dynamic, it ensure that its economy and stability, be of great practical significance.
Detailed description of the invention
Fig. 1 is that the structure for the air source heat pump system that a kind of liquid coolant provided by the invention combines phase-transition heat-storage defrosting is shown
It is intended to；
In figure, 1 be compressor, 2 be indoor heat exchanger, 3 be liquid storage device, 4 be first throttle valve, 5 be outside heat exchange
Device；
6 it is second throttle, 7 be phase change heat storage tank, be 8 solar thermal collectors, 9 be the first valve, 10 is the second valve；
11 be third valve, 12 be the 4th valve, 13 be the 5th valve, 14 be the 6th valve, 15 be inlet valve, 16 for go out
Water valve.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawing with embodiment to this
Invention is described in further detail.
Referring to Fig. 1, the present invention provides a kind of air source heat pump systems of liquid coolant joint phase-transition heat-storage defrosting, including
Compressor 1；
The refrigerant outlet (i.e. exhaust outlet) of compressor 1 is connect with the first interface of indoor heat exchanger 2；
The second interface of indoor heat exchanger 2 is connect with the first interface of liquid storage device 3；
The second interface of liquid storage device 3 connects with the first interface of the first interface of first throttle valve 4 and the second valve 10 respectively
It connects；
The second interface of first throttle valve 4 is connect with the first interface of the first valve 9；
The second interface of the second interface of first valve 9 and the second valve 10, after hollow connecting pipe confluence, with
The first interface of outdoor heat exchanger 5 connects；
The second interface of outdoor heat exchanger 5, respectively with the first of the first interface of second throttle 6 and third valve 11
Interface connection；
The second interface of second throttle 6 is connect with the first interface of the 4th valve 12；
The second interface of the second interface of third valve 11 and the 4th valve 12, after hollow connecting pipe confluence,
It is connect respectively with the first interface of the first interface of the 5th valve 13 and the 6th valve 14；
The second interface of 6th valve 14 is connect with the refrigerant first interface of phase change heat storage tank 7；
The second interface of 5th valve 13 and the refrigerant second interface of phase change heat storage tank 7, pass through hollow connecting pipe
After confluence, it is connect with the refrigerant inlet (i.e. air entry) of compressor 1.
In the present invention, in specific implementation, liquid storage device 3 is the pressure being mounted on the high-pressure liquid tube of air source heat pump system
Container is high-pressure reservoir, specifically can be with the common liquid storage device of any one in existing air source heat pump system.
In the present invention, in specific implementation, first throttle valve 4 and second throttle 6, are electric expansion valve, such as can
034G5015 electric expansion valve with the ETS6-14 series for selecting Danvers producer to produce.
In the present invention, in specific implementation, compressor 1, liquid storage device 3, outdoor heat exchanger 5, phase change heat storage tank 7 and the sun
The setting of energy heat collector 8 is at outdoor (i.e. on the outside of building)；Indoor heat exchanger 2 is arranged indoors.
It should be noted that between the interconnected component of any two being connected by one section of pipeline for the present invention
It is logical, as shown in Figure 1.
In the present invention, in specific implementation, injection (is specifically as follows and is full of, phase change heat storage tank 7 is in phase change heat storage tank 7
The cabinet of sealing) there is phase change heat storage material, the refrigerant heat exchanger of about one distribution is placed with inside the phase change heat storage material
Manage the water heat exchanger tube of (can be curved shape) and about one distribution；
Refrigerant heat exchanger pipe and the setting of water heat exchanger tube interval；
Refrigerant heat exchanger pipe and the outer wall of water heat exchanger tube are wrapped up by the phase-change material；
Refrigerant first interface of the refrigerant first interface of refrigerant heat exchanger pipe upper end as phase change heat storage tank 7；
Refrigerant second interface of the refrigerant second interface of refrigerant heat exchanger pipe lower end as phase change heat storage tank 7；
The water outlet of water heat exchanger tube upper end is connected by inlet valve 15 with the water inlet of solar thermal collector 8；
The water inlet of water heat exchanger tube lower end is connected by outlet valve 16 with the water outlet of solar thermal collector 8.
It should be noted that the refrigerant heat exchanger pipe set in phase change heat storage tank 7 is used for the refrigerant of high temperature and pressure and phase
Change heat storage material heat exchange, after heat exchange, refrigerant condenses in phase change heat storage tank, and can store condensation heat in phase-transition heat-storage
In material.Water heat exchanger tube, the water for will be heated in it by solar thermal collector 8 exchange heat with phase change heat storage material, are exchanging heat
Afterwards, the heat in water can be stored in phase change heat storage material.Therefore, because water heat exchanger tube is set with refrigerant heat exchanger pipe interval
It sets, so as to realize that water exchanges heat with refrigerant, solar thermal collector is generated into heat transfer to phase change heat storage tank, water changes
Heat pipe is wrapped up with outside refrigerant heat exchanger pipe by phase change heat storage material.
It varies with temperature and changes it should also be noted that, phase-change material (PCM, Phase Change Material) refers to
Become state of matter and the substance of latent heat can be provided.The process of transformation physical property is known as phase transition process, and at this moment phase-change material will be inhaled
Receive or discharge a large amount of latent heat.The phase-change material for example can be paraffin, acetic acid and other organic matters.Wherein, phase-transition heat-storage
Material is for absorbing heat, such as paraffin.
For the present invention, it should be noted that solar thermal collector 8, can for it is existing any one can to water into
Row heating, and the solar thermal collector exported, such as can be existing flat-plate solar collector.Flat-plate solar collector
It is a kind of absorption solar radiation energy and to the device of working medium transmitting heat, it is a kind of special heat exchanger, in heat collector
Working medium and the remote sun carry out heat exchange.Flat-plate solar collector is by heat-absorbing plate core, shell, transparent cover plate, guarantor
Adiabator and related components composition.After adjunction circulating line, insulated water tank, solar radiant heat can be absorbed by becoming, and make water
Temperature increases.
For the present invention, it should be noted that compressor 1, for by the refrigerant gas boil down to high temperature of low-temp low-pressure
The refrigerant gas of high pressure is then output to indoor heat exchanger 2；
Indoor heat exchanger 2, is used as condenser in winter when heating condition, low for the gas of high temperature and pressure to be condensed into
The liquid of warm high pressure；
Liquid storage device 3 stores excessive refrigerant liquid, prevents refrigerant liquid from accumulating when for heating condition in winter
In condenser (i.e. indoor heat exchanger 2), its heat transfer effect is influenced, while playing the role of fluid-tight；
Phase change heat storage tank 7 absorbs for the heat exchange by internal phase change heat storage material and water and comes from solar thermal collector 8
Heat, and heat storage is got up, so that refrigerant evaporation process when for defrosting after throttling provides heat；
Outdoor heat exchanger 5 makees evaporator use in winter when heating condition, for making low-temp low-pressure by heat absorption
Refrigerant liquid is evaporated to the refrigerant gas of low-pressure low-temperature；
And under the operating condition for heating simultaneous defrosting, liquid storage device 3 can be provided with the internal circulating load of systems stabilisation inner refrigerant for defrosting
Sufficient liquid coolant, outdoor heat exchanger 5 are used as subcooler, absorb and come condenser (i.e. indoor heat exchanger 2) outlet
The heat of cryogenic high pressure liquid refrigerant carries out defrosting, and phase change heat storage tank 7 is used as evaporator at this time, for low temperature after defrosting throttling
Low pressure liquid refrigerant is evaporated to the gas of low-pressure low-temperature, provides heat.
It should be noted that in the present invention, carrying out defrosting using the liquid coolant in liquid storage device 3, utilizing solar energy collection
Hot device 8 is that phase change heat storage tank 7 stores heat, and the evaporation process of refrigerant uses when for defrosting, and outdoor heat exchanger 5 is made when defrosting
For subcooler, phase change heat storage tank 7 is used as evaporator, and first throttle valve 4 and second throttle 6 are electric expansion valve, remaining valve
Door is straight forward direction solenoid valve.
For a kind of air source heat pump system of liquid coolant joint phase-transition heat-storage defrosting provided by the invention, by each
Mutual switching between a valve can form different independent circuits, mainly there is following operational mode:
One, air-conditioning heating and accumulation of heat mode.
First valve 9, third valve 11, the 5th valve 13, the 7th valve 15, the 8th valve 16 are opened；Second valve
10, the 4th valve 12, the 6th valve 14 are closed.The refrigerant gas that compressor 1 is discharged enters the room the condensation of side heat exchanger 2 and puts
Heat, the refrigerant liquid of cryogenic high pressure enters in liquid storage device 3 after condensation, after the throttling of first throttle valve 4, changes into outside
Hot device 5 evaporates, and is then return to the air entry of compressor 1, meanwhile, pass through phase change heat storage material and water inside phase change heat storage tank 7
Heat exchange is absorbed the heat from solar thermal collector 7, is undergone phase transition using phase change heat storage material, will come from solar thermal collector 7
Heat storage get up, the evaporation process of refrigerant provides heat after throttling when for defrosting.
For the present invention, in normal heating, phase change heat storage tank 7 absorbs the heat from solar thermal collector and is stored
Heat, the evaporation of refrigerant provides heat when for defrosting, and liquid storage device 3 stores excessive refrigerant liquid at this time, prevents refrigerant liquid
Volume stays in condenser (i.e. indoor heat exchanger 2), influences its heat transfer effect.
Two, air-conditioning heating and defrosting mode.
Second valve 10, the 4th valve 12, the 6th valve 14 are opened；First valve 9, third valve 11, the 5th valve
13, the 7th valve 15, the 8th valve 16 are closed.The refrigerant gas that compressor 1 is discharged enters the room the condensation of side heat exchanger 2 and puts
Heat, the refrigerant liquid of cryogenic high pressure enters liquid storage device 3 after condensation, and then liquid coolant enters in outdoor heat exchanger 5 and carries out
Defrosting, the refrigerant liquid after defrosting, into evaporation of absorbing heat in phase change heat storage tank 3, are then return to after the throttling of second throttle 6
The air entry of compressor 1.
When heating and defrosting, outdoor heat exchanger 5 is used as subcooler, is absorbed from cryogenic high pressure in liquid storage device 3
The heat of liquid refrigerant carry out defrosting, refrigerant after defrosting enters in phase change heat storage tank 7 after second throttle throttles
The heat stored before this is absorbed, gas is flashed to then, returns to the air entry of compressor 1, phase change heat storage tank 7 is as evaporation at this time
Device uses, and liquid storage device 3 can provide sufficient liquid coolant for defrosting with the internal circulating load of systems stabilisation inner refrigerant.The present invention by
In the method using liquid coolant joint phase-transition heat-storage defrosting, system is achieved that side heat exchanger is in continuously heating indoors
Without the defrosting of additional energy, the liquid refrigerant in liquid storage device has recycled the cooling capacity of frost layer in defrosting, increases degree of supercooling,
The efficiency for improving defrosting reduces room temperature fluctuation because of caused by defrosting, ensure that its economy and stability.
Based on above technical scheme it is found that combining the air-source of phase-transition heat-storage defrosting for liquid coolant provided by the invention
Heat pump system can guarantee the efficiency to work in winter, can carry out effective defrosting to outdoor heat exchanger.
In conclusion compared with prior art, a kind of liquid coolant joint phase-transition heat-storage defrosting provided by the invention
Air source heat pump system utilizes the liquid in liquid storage device while may be implemented that indoor heat exchanger persistently heats in winter
Refrigerant carries out the defrosting of outdoor heat exchanger, and the heat that phase change heat storage tank absorbs solar thermal collector carries out accumulation of heat, when being defrosting
The evaporation of refrigerant provides heat, meanwhile, the liquid refrigerant in liquid storage device has recycled the cooling capacity of frost layer in defrosting, increases
Degree of supercooling improves the efficiency of defrosting, reduces room temperature fluctuation because of caused by defrosting, ensure that its economy and stabilization
Property, it is of great practical significance.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of air source heat pump system of liquid coolant joint phase-transition heat-storage defrosting, which is characterized in that including compressor (1)；
The refrigerant outlet of compressor (1) is connect with the first interface of indoor heat exchanger (2)；
The second interface of indoor heat exchanger (2) is connect with the first interface of liquid storage device (3)；
The second interface of liquid storage device (3), respectively with the first interface of the first interface of first throttle valve (4) and the second valve (10)
Connection；
The second interface of first throttle valve (4) is connect with the first interface of the first valve (9)；
The second interface of first valve (9) and the second interface of the second valve (10), after hollow connecting pipe confluence, with
The first interface of outdoor heat exchanger (5) connects；
The second interface of outdoor heat exchanger (5), respectively with the of the first interface of second throttle (6) and third valve (11)
The connection of one interface；
The second interface of second throttle (6) is connect with the first interface of the 4th valve (12)；
The second interface of the second interface of third valve (11) and the 4th valve (12), after hollow connecting pipe confluence,
It is connect respectively with the first interface of the first interface of the 5th valve (13) and the 6th valve (14)；
The second interface of 6th valve (14) is connect with the refrigerant first interface of phase change heat storage tank (7)；
The second interface of 5th valve (13) and the refrigerant second interface of phase change heat storage tank (7), pass through hollow connecting pipe
After confluence, it is connect with the refrigerant inlet of compressor (1).
2. air source heat pump system as described in claim 1, which is characterized in that first throttle valve (4) and second throttle
It (6), is electric expansion valve.
3. air source heat pump system as described in claim 1, which is characterized in that remove first throttle valve (4) and second throttle
(6) remaining valve except is straight forward direction solenoid valve.
4. air source heat pump system as described in claim 1, which is characterized in that compressor (1), liquid storage device (3), outside are changed
Hot device (5), phase change heat storage tank (7) and solar thermal collector (8) are arranged in outdoor；Indoor heat exchanger (2) is arranged indoors.
5. air source heat pump system as described in claim 1, which is characterized in that be injected with phase transformation storage in phase change heat storage tank (7)
Hot material, the phase change heat storage material the inside are placed with the refrigerant heat exchanger pipe of about one distribution and the water of about one distribution
Heat exchanger tube；
Refrigerant heat exchanger pipe and the setting of water heat exchanger tube interval；
Refrigerant heat exchanger pipe and the outer wall of water heat exchanger tube are wrapped up by the phase-change material；
Refrigerant first interface of the refrigerant first interface of refrigerant heat exchanger pipe upper end as phase change heat storage tank (7)；
Refrigerant second interface of the refrigerant second interface of refrigerant heat exchanger pipe lower end as phase change heat storage tank (7)；
The water outlet of water heat exchanger tube upper end is connected by inlet valve (15) with the water inlet of solar thermal collector (8)；
The water inlet of water heat exchanger tube lower end is connected by outlet valve (16) with the water outlet of solar thermal collector (8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910589361.7A CN110307659A (en) | 2019-07-02 | 2019-07-02 | A kind of air source heat pump system of liquid coolant joint phase-transition heat-storage defrosting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910589361.7A CN110307659A (en) | 2019-07-02 | 2019-07-02 | A kind of air source heat pump system of liquid coolant joint phase-transition heat-storage defrosting |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205373129U (en) * | 2015-12-28 | 2016-07-06 | 许德虎 | Utilize solar energy to carry out heat pump set of phase -change thermal defrosting |
| CN210861755U (en) * | 2019-07-02 | 2020-06-26 | 天津商业大学 | Air source heat pump system for defrosting by combining liquid refrigerant with phase change heat storage |
-
2019
- 2019-07-02 CN CN201910589361.7A patent/CN110307659A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205373129U (en) * | 2015-12-28 | 2016-07-06 | 许德虎 | Utilize solar energy to carry out heat pump set of phase -change thermal defrosting |
| CN210861755U (en) * | 2019-07-02 | 2020-06-26 | 天津商业大学 | Air source heat pump system for defrosting by combining liquid refrigerant with phase change heat storage |
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