CN108562080A - A kind of air source heat pump intelligent defrosting system - Google Patents
A kind of air source heat pump intelligent defrosting system Download PDFInfo
- Publication number
- CN108562080A CN108562080A CN201810654231.2A CN201810654231A CN108562080A CN 108562080 A CN108562080 A CN 108562080A CN 201810654231 A CN201810654231 A CN 201810654231A CN 108562080 A CN108562080 A CN 108562080A
- Authority
- CN
- China
- Prior art keywords
- valve body
- air source
- heat pump
- refrigerant
- energy storage
- 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.)
- Granted
Links
- 238000010257 thawing Methods 0.000 title claims abstract description 38
- 239000003507 refrigerant Substances 0.000 claims abstract description 69
- 238000004146 energy storage Methods 0.000 claims abstract description 49
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 230000008676 import Effects 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 43
- 238000010025 steaming Methods 0.000 claims 1
- 230000007423 decrease Effects 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
- F25B47/022—Defrosting cycles hot gas defrosting
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/24—Storage receiver heat
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The present invention relates to technical field of heat pumps, and in particular to a kind of air source heat pump intelligent defrosting system, including：Compress circulation line, including sequentially connected compressor (1), condenser (3), the first valve body (5) and evaporator (6), the import of the outlet connect compressor (1) of evaporator (6)；Energy storage heat exchanger (2), it is arranged between compressor (1) and condenser (3), a part of heat of initial refrigerant releasing is recycled for storing heating cycle and defrost, and the refrigerant after heat is released in being supplied to defrost to recycle, and the second valve body (8) has also been arranged in parallel between energy storage heat exchanger (2) and evaporator (6)；Wherein, the open and-shut mode of the first valve body (5) and the second valve body (8) is on the contrary, the flow direction of refrigerant is opposite during heating cycle is recycled with defrost.The present invention provides a kind of to ensure that the water temperature in condenser will not decline simultaneously during defrosting, to meet the air source heat pump intelligent defrosting system of the use demand of hot water.
Description
Technical field
The present invention relates to technical field of heat pumps, and in particular to a kind of air source heat pump intelligent defrosting system.
Background technology
Air source heat pump is that the low-temperature heat quantity in air is absorbed into come, and gasifies by fluorine medium, then passes through compressor
It is pressurized heating after compression, then water supply heating is converted by heat exchanger, compressed high temperature heat heats water temperature with this.Due to sky
The work of air supply heat pump is by media for heat exchange, therefore it does not need electrical heating elements and is in direct contact with water, avoids electric hot water
The danger of device electric leakage also prevents gas heater and is possible to the danger exploded and be poisoned, more effectively controls gas heater
Air pollution caused by discharging exhaust gas.Air source heat pump generally comprises compressor, condenser, liquid storage device, evaporator and gas-liquid point
From device, after its long-time service, meeting frosting on the evaporator inner wall of heat exchange is carried out with air, influences the work effect of heating system
Rate.
In order to solve the above-mentioned technical problem, applicant proposed a kind of cascade refrigeration defrosting water heaters, including：Level-one pressure
Contracting circulation line, two-stage compression circulation line and refrigeration defrosting compression circulation line, refrigeration defrosting compression circulation line is used for will
Internal heat sends the First Heat Exchanger that heat exchange is carried out with air to, to remove the frosting on First Heat Exchanger inner wall, or
The heat for absorbing water in third heat exchanger, freezes to it.In this way when refrigeration defrosts compression cycle, in third heat exchanger
Water temperature will reduce, and cannot meet use demand of the user to hot water in third heat exchanger.
Invention content
Therefore, the technical problem to be solved in the present invention is to overcome air source heat pump in the prior art during defrosting
The water temperature of condenser can be reduced, defect of the user to the use demand of hot water cannot be met, to provide one kind in defrosting process
In simultaneously ensure that the water temperature in condenser will not decline, to meet the air source heat pump intelligent defrosting system of the use demand of hot water
System.
In order to solve the above technical problem, the present invention provides a kind of air source heat pump intelligent defrosting systems, including：
Compress circulation line, including sequentially connected compressor, condenser, the first valve body and evaporator, the evaporator
Outlet connect the import of the compressor；
Energy storage heat exchanger is arranged between the compressor and the condenser, is followed for storing heating cycle and defrost
A part of heat that the initial refrigerant of ring is released, and the refrigerant after heat is released in being supplied to defrost to recycle, and changed in the energy storage
The second valve body has also been arranged in parallel between hot device and the evaporator；
Wherein, the open and-shut mode of first valve body and second valve body is on the contrary, cold in heating cycle and defrost cycle
The flow direction of matchmaker is opposite.
The air source heat pump intelligent defrosting system, the heating cycle includes flowing to sequentially connected compression along refrigerant
Machine, energy storage heat exchanger, condenser, the first valve body and evaporator；The defrost cycle includes flowing to sequentially connected pressure along refrigerant
Contracting machine, energy storage heat exchanger, evaporator, the second valve body and energy storage heat exchanger.
The air source heat pump intelligent defrosting system further includes being arranged between the evaporator and the compressor
Gas-liquid separator is connected with third valve body in the outlet of the gas-liquid separator.
The air source heat pump intelligent defrosting system, the third valve body are check valve.
The air source heat pump intelligent defrosting system, further includes four-way reversing valve, the four-way reversing valve and the storage
Energy heat exchanger, the condenser, the gas-liquid separator and the evaporator connect simultaneously.
The air source heat pump intelligent defrosting system further includes being arranged between the condenser and first valve body
Liquid storage device.
The air source heat pump intelligent defrosting system is separately connected a water inlet pipe and an outlet pipe on the condenser.
The air source heat pump intelligent defrosting system, first valve body and second valve body are electronic expansion
Valve.
The air source heat pump intelligent defrosting system is arranged with mutually independent two imports on the energy storage heat exchanger
It is exported with two.
The air source heat pump intelligent defrosting system, described two imports and it is described two outlet be not homonymy set
It sets.
Technical solution of the present invention has the following advantages that：
1. air source heat pump intelligent defrosting system provided by the invention, the energy storage being arranged between compressor and condenser is changed
A part of heat that hot device initially can absorb refrigerant releasing in heating cycle and defrost cycle is stored, and is supplied to defrost
The refrigerant after heat is released in cycle.In defrost cycle, since refrigerant no longer absorbs heat from condenser, it ensure that
The stability of water temperature in condenser, meets use demand of the user to hot water.
2. air source heat pump intelligent defrosting system provided by the invention, defrost cycle include flowed to along refrigerant it is sequentially connected
Compressor, energy storage heat exchanger, evaporator, the second valve body and energy storage heat exchanger.In defrost cycle, refrigerant is changed by energy storage twice
Hot device further stores more heat in energy storage heat exchanger first, is then convenient for exothermic refrigerant in defrost cycle
Enough heats can be absorbed in time from energy storage heat exchanger, compressor is returned and continue compression cycle.
3. air source heat pump intelligent defrosting system provided by the invention, mutually independent two are arranged on energy storage heat exchanger
Import and two outlets, two imports and two outlets are not homonymy setting.In this way so that refrigerant passes through in defrost cycle
Energy storage heat exchanger is passed through in two different paths, will not form cross influence.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the operation principle schematic diagram of air source heat pump intelligent defrosting system provided by the invention.
Reference sign：
1- compressors；2- energy storage heat exchangers；3- condensers；4- liquid storage devices；The first valve bodies of 5-；6- evaporators；7- gas-liquids point
From device；The second valve bodies of 8-；9- third valve bodies；10- four-way reversing valves；20- water inlet pipes；30- outlet pipes.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It can be combined with each other at conflict.
A kind of specific implementation mode of air source heat pump intelligent defrosting system as shown in Figure 1, including compression circulation line,
Including sequentially connected compressor 1, energy storage heat exchanger 2, condenser 3, liquid storage device 4, the first valve body 5, evaporator 6 and gas-liquid separation
Device 7, the outlet of the evaporator 6 connect the import of the compressor 1, the cycle of a closure are consequently formed.Energy storage heat exchanger 2
A part of heat of initial refrigerant releasing is recycled for storing heating cycle and defrost, and heat is released in being supplied to defrost to recycle
Refrigerant afterwards, and the second valve body 8 has also been arranged in parallel between the energy storage heat exchanger 2 and the evaporator 6；Wherein, described
The open and-shut mode of first valve body 5 and second valve body 8 is on the contrary, the flow direction of refrigerant is on the contrary, i.e. in heating cycle and defrost cycle
The flow direction of refrigerant is that clockwise, the first valve body 5 is opened in heating cycle, and the second valve body 8 is closed, refrigerant in defrost cycle
Flow direction for counterclockwise, the second valve body 8 is opened, close by the first valve body 5, so that two respective independent operatings of cycle, mutually
It does not influence.
Specifically, the heating cycle includes flowing to sequentially connected compressor 1, energy storage heat exchanger 2, condenser along refrigerant
3, liquid storage device 4, the first valve body 5, evaporator 6 and gas-liquid separator 7.Refrigerant is in compressor 1 by low temperature after compression processing
Low pressure refrigerant gas is changed into high-temperature high-pressure refrigerant gas, thus to obtain heat, for the equipment in circulation line into
Row heat exchange；A part of heat that energy storage heat exchanger 2 is used to absorb the refrigerant flowed out from compressor 1 is stored；Condensation
Device 3 is used to absorb the most of heat of residue of refrigerant releasing, flows through internal water with heating, and by the refrigerant gas of high temperature and pressure
Body is changed into the refrigerant liquid of high temperature and pressure；The liquid that liquid storage device 4 is used to after the heat exchange condense refrigerant and condenser 3 into
Row is temporary；First valve body 5 is in the open state in heating recycles, to be connected to entire circulation line, and by the system of high temperature and pressure
Cryogen liquid is changed into the refrigerant liquid of low-temp low-pressure；Evaporator 6 is used for the refrigerant liquid of low-temp low-pressure in circulation line
Body carries out heat exchange with outside air becomes gas to absorb the heat in outside air after evaporation；Gas-liquid separator 7 is used
It is sent into compressor 1 after being detached a small amount of liquid in the gas after evaporation to compress, to complete heating cycle.
The defrost cycle includes flowing to sequentially connected compressor 1, energy storage heat exchanger 2, evaporator 6, second along refrigerant
Valve body 8 and energy storage heat exchanger 2.The refrigerant flowed out from compressor 1 releases sub-fraction when first time passing through energy storage heat exchanger 2
Heat, energy storage heat exchanger 2 are stored for future use；Then the refrigerant gas of high temperature and pressure enter in evaporator 6 release it is remaining
Most of heat defrosts to the inner wall of evaporator 6；It is changed into the refrigerant liquid of low-temp low-pressure using the second valve body 8；
Then the refrigerant gas that the heat stored in energy storage heat exchanger 2 is changed into low-temp low-pressure is absorbed, compressor 1 is returned and compresses, from
And complete defrost cycle.
Third valve body 9 is connected in the outlet of the gas-liquid separator 7.In the present embodiment, the third valve body 9 is single
To valve, to ensure that refrigerant can only be flowed back to by gas-liquid separator 7 in compressor 1 in heating cycle.
Further include four-way reversing valve 10, it is the four-way reversing valve 10 and the energy storage heat exchanger 2, the condenser 3, described
Gas-liquid separator 7 and the evaporator 6 connect simultaneously.When heating cycle, refrigerant enters from the open top of four-way reversing valve 10,
Lower part right openings outflow, successively after condenser 3, liquid storage device 4, the first valve body 5 and evaporator 6, then from four-way reversing valve
10 lower left side opening enters, and lower central opening flows out in gas-liquid separator 7；When defrost recycles, refrigerant is changed from four-way
Enter to the open top of valve 10, lower left side opening flows out in evaporator 6.
It is separately connected a water inlet pipe 20 and an outlet pipe 30 on the condenser 3, is put with absorbing refrigerant when heating cycle
The heat gone out obtains hot water.
In the present embodiment, first valve body 5 and second valve body 8 are electric expansion valve.
Mutually independent two imports and two outlets are arranged on the energy storage heat exchanger 2.Described two imports and institute
It is not homonymy setting to state two outlets.When heating cycle, refrigerant enters from the opening of 2 left lower of energy storage heat exchanger, right side
The opening of lower part flows out；When defrost recycles, refrigerant enters from the opening of 2 left lower of energy storage heat exchanger first, lower right side
Opening outflow, after four-way reversing valve 10, evaporator 6 and the second valve body 8, then from the opening of 2 right upper portion of energy storage heat exchanger
Into the opening outflow of left upper portion.
When user needs using hot water, start heating cycle：Compressor 1 first is by low-temperature low-pressure refrigerant gas compression
It is changed into high-temperature high-pressure refrigerant gas；Then high-temperature high-pressure refrigerant gas is open from 2 left lower of energy storage heat exchanger and enters
Energy storage heat exchanger 2 is released a part of heat and is stored for energy storage heat exchanger 2, is open and flows out from the lower right side of energy storage heat exchanger 2；
Upper opening of the refrigerant gas of high temperature and pressure through four-way reversing valve 10 enters, and lower part right openings flow out in condenser 3；
Condenser 3 is used to absorb the most of heat of residue that the refrigerant gas of high temperature and pressure is released, and is flowed through inside condenser 3 with heating
Water pipe in water, the refrigerant liquid that the refrigerant gas of high temperature and pressure is changed into high temperature and pressure enters in liquid storage device 4；Liquid storage
Device 4 is for storing the liquid that refrigerant condenses after the heat exchange with condenser 3；First valve body 5 is in heating recycles
The refrigerant liquid of high temperature and pressure to be connected to entire circulation line, and is changed into the refrigerant liquid of low-temp low-pressure by opening state
Body；The refrigerant liquid of low-temp low-pressure enters in evaporator 6, heat exchange is carried out with outside air, to absorb in outside air
Heat, become the refrigerant gas of low-temp low-pressure after evaporation；The refrigerant gas of low-temp low-pressure is from 10 lower part of four-way reversing valve
Left side opening enter, the central opening of lower part flows out in gas-liquid separator 7；A small amount of liquid in gas after evaporation is through gas
After liquid/gas separator 7 detaches, the refrigerant gas of low-temp low-pressure is again introduced into compressor 1 through check valve and compresses, to complete to heat
Cycle.
When air source heat pump runs a period of time, when the inner wall to evaporator 6 being needed to defrost, startup defrost recycles：
Low-temperature low-pressure refrigerant gas compression is changed into high-temperature high-pressure refrigerant gas by compressor 1 first；Then high temperature and pressure is freezed
Agent gas enters energy storage heat exchanger 2 from 2 left lower of energy storage heat exchanger opening, releases a part of heat and is stored up for energy storage heat exchanger 2
It deposits, is open and flows out from the lower right side of energy storage heat exchanger 2；It opens on top of the refrigerant gas of high temperature and pressure through four-way reversing valve 10
Mouth enters, and lower left side opening flows out in evaporator 6, releases remaining most of heat with to the progress of the inner wall of evaporator 6
Defrosting, the refrigerant gas of high temperature and pressure is changed into the refrigerant liquid of high temperature and pressure at this time；The refrigerant liquid of high temperature and pressure
It is changed into the refrigerant liquid of low-temp low-pressure through the second valve body 8, is open and enters from the right upper portion of energy storage heat exchanger 2, and absorb
Two parts heat stored in advance in energy storage heat exchanger 2 is changed into the refrigerant gas of low-temp low-pressure, the refrigerant of low-temp low-pressure
Gas is again introduced into compressor 1 from the opening outflow of the left upper portion of energy storage heat exchanger 2 and compresses, to complete defrost cycle.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of air source heat pump intelligent defrosting system, which is characterized in that including：
Compress circulation line, including sequentially connected compressor (1), condenser (3), the first valve body (5) and evaporator (6), institute
The outlet for stating evaporator (6) connects the import of the compressor (1)；
Energy storage heat exchanger (2) is arranged between the compressor (1) and the condenser (3), for storing heating cycle and changing
Frost recycles a part of heat that initial refrigerant is released, and the refrigerant after heat is released in being supplied to defrost to recycle, and in the storage
It can also be arranged in parallel the second valve body (8) between heat exchanger (2) and the evaporator (6)；
Wherein, the open and-shut mode of first valve body (5) and second valve body (8) is on the contrary, in heating cycle and defrost cycle
The flow direction of refrigerant is opposite.
2. air source heat pump intelligent defrosting system according to claim 1, which is characterized in that the heating cycle includes edge
Refrigerant flows to sequentially connected compressor (1), energy storage heat exchanger (2), condenser (3), the first valve body (5) and evaporator (6)；Institute
It includes flowing to sequentially connected compressor (1), energy storage heat exchanger (2), evaporator (6), the second valve body along refrigerant to state defrost cycle
(8) and energy storage heat exchanger (2).
3. air source heat pump intelligent defrosting system according to claim 2, which is characterized in that further include being arranged in the steaming
The gas-liquid separator (7) between device (6) and the compressor (1) is sent out, third is connected in the outlet of the gas-liquid separator (7)
Valve body (9).
4. air source heat pump intelligent defrosting system according to claim 3, which is characterized in that the third valve body (9) is
Check valve.
5. air source heat pump intelligent defrosting system according to claim 3, which is characterized in that further include four-way reversing valve
(10), the four-way reversing valve (10) and the energy storage heat exchanger (2), the condenser (3), the gas-liquid separator (7) and
The evaporator (6) connects simultaneously.
6. according to claim 1-5 any one of them air source heat pump intelligent defrosting systems, which is characterized in that further include setting
Liquid storage device (4) between the condenser (3) and first valve body (5).
7. according to claim 1-6 any one of them air source heat pump intelligent defrosting systems, which is characterized in that the condenser
(3) water inlet pipe (20) and an outlet pipe (30) are separately connected on.
8. according to claim 1-7 any one of them air source heat pump intelligent defrosting systems, which is characterized in that first valve
Body (5) and second valve body (8) are electric expansion valve.
9. according to claim 1-8 any one of them air source heat pump intelligent defrosting systems, which is characterized in that the energy storage is changed
Mutually independent two imports and two outlets are arranged on hot device (2).
10. air source heat pump intelligent defrosting system according to claim 9, which is characterized in that described two imports and institute
It is not homonymy setting to state two outlets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810654231.2A CN108562080B (en) | 2018-06-22 | 2018-06-22 | Intelligent defrosting system of air source heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810654231.2A CN108562080B (en) | 2018-06-22 | 2018-06-22 | Intelligent defrosting system of air source heat pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108562080A true CN108562080A (en) | 2018-09-21 |
| CN108562080B CN108562080B (en) | 2024-05-07 |
Family
ID=63554295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810654231.2A Active CN108562080B (en) | 2018-06-22 | 2018-06-22 | Intelligent defrosting system of air source heat pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108562080B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883721A (en) * | 2021-11-05 | 2022-01-04 | 南京威尼机电有限公司 | Commercial air source heat pump hot water energy-saving efficient all-in-one machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012127632A (en) * | 2010-12-17 | 2012-07-05 | Mitsubishi Heavy Ind Ltd | Heat pump, and rotary type four-way switching valve used for the same |
| CN204593991U (en) * | 2015-03-10 | 2015-08-26 | 山东福德新能源设备有限公司 | A kind of hot pump in low temp superposition phase-change accumulation energy control defrosting system |
| CN106016802A (en) * | 2016-07-01 | 2016-10-12 | 杭州佳力斯韦姆新能源科技有限公司 | Cascade CO2 heat pump capable of achieving defrosting through reversing of four-way valve and defrosting method of cascade CO2 heat pump |
| CN208332778U (en) * | 2018-06-22 | 2019-01-04 | 浙江正理生能科技有限公司 | A kind of air source heat pump intelligent defrosting system |
-
2018
- 2018-06-22 CN CN201810654231.2A patent/CN108562080B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012127632A (en) * | 2010-12-17 | 2012-07-05 | Mitsubishi Heavy Ind Ltd | Heat pump, and rotary type four-way switching valve used for the same |
| CN204593991U (en) * | 2015-03-10 | 2015-08-26 | 山东福德新能源设备有限公司 | A kind of hot pump in low temp superposition phase-change accumulation energy control defrosting system |
| CN106016802A (en) * | 2016-07-01 | 2016-10-12 | 杭州佳力斯韦姆新能源科技有限公司 | Cascade CO2 heat pump capable of achieving defrosting through reversing of four-way valve and defrosting method of cascade CO2 heat pump |
| CN208332778U (en) * | 2018-06-22 | 2019-01-04 | 浙江正理生能科技有限公司 | A kind of air source heat pump intelligent defrosting system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883721A (en) * | 2021-11-05 | 2022-01-04 | 南京威尼机电有限公司 | Commercial air source heat pump hot water energy-saving efficient all-in-one machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108562080B (en) | 2024-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3098540B1 (en) | Heat pump apparatus | |
| CN107860151B (en) | Heat pump system and air conditioner with same | |
| CN102022853A (en) | Air conditioner system | |
| KR20190023010A (en) | Continuous heating Air Conditioner system | |
| CN107702414A (en) | A kind of new refrigerator thermal storage defrosting system | |
| CN108759143A (en) | A kind of special cascade superhigh temperature hot water air source heat pump system | |
| CN209944808U (en) | Air source heat pump with defrosting structure | |
| CN108562080A (en) | A kind of air source heat pump intelligent defrosting system | |
| CN206113408U (en) | Can change air source heat pump unit of frost | |
| CN111023627B (en) | Heat pump normal-pressure single-effect evaporator and using method thereof | |
| CN208332778U (en) | A kind of air source heat pump intelligent defrosting system | |
| CN106369884A (en) | Evaporator, air cooler, and refrigeration or heat pump device and system | |
| CN104121721B (en) | Single-and-double-stage switchable heat pump | |
| CN103836837B (en) | A kind of double mode compound source pump and control method | |
| CN108072173B (en) | Overlapping type refrigeration defrosting water heater | |
| CN212205126U (en) | Ultralow-temperature water vapor capture pump pipeline system using secondary refrigerant for cold storage | |
| CN210569337U (en) | Cold and hot dual-purpose unit of evaporation cold and hot pump | |
| CN208620678U (en) | A kind of air-conditioning refrigeration system | |
| JPS5826511B2 (en) | Defrosting device for refrigerators | |
| CN110173912A (en) | A kind of the mixed working fluid compression circulatory system and working method of the recuperation of heat of band machinery | |
| CN216048455U (en) | Refrigerating system capable of refrigerating multiple temperature zones | |
| CN204254964U (en) | A kind of water heater absorbing refrigerator/ice box waste-heat water | |
| CN204176988U (en) | One stablizes frost removal type cascade high-temperature heat pump | |
| CN204115287U (en) | With the cascade high-temperature heat pump of phase change heat accumulator | |
| CN219347440U (en) | Heat exchanger and heat exchange equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |