CN107655124A - A kind of air source heat pump system of the non-interruption heat supply of defrosting - Google Patents
A kind of air source heat pump system of the non-interruption heat supply of defrosting Download PDFInfo
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- CN107655124A CN107655124A CN201710994621.XA CN201710994621A CN107655124A CN 107655124 A CN107655124 A CN 107655124A CN 201710994621 A CN201710994621 A CN 201710994621A CN 107655124 A CN107655124 A CN 107655124A
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- heat exchanger
- heat
- valve
- defrosting
- air source
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- 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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
-
- 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
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- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02742—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using two four-way valves
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- 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
- F25B2347/00—Details for preventing or removing deposits or corrosion
- F25B2347/02—Details of defrosting cycles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The present invention relates to air source heat pump system technical field, relate to a kind of air source heat pump system of the non-interruption heat supply of defrosting, including compressor, the first reversal valve, First Heat Exchanger, check valve, the first magnetic valve, the second heat exchanger, the 3rd magnetic valve and the first throttle mechanism being sequentially arranged on refrigerant loop；Wherein, the First Heat Exchanger has been arranged in series the 3rd heat exchanger on second heat exchanger being located outside, the second reversal valve is provided between the First Heat Exchanger and second heat exchanger, the 3rd heat exchanger positioned at interior.A kind of air source heat pump system of the non-interruption heat supply of defrosting provided by the invention, due to adding a set of outdoor heat exchange equipment (the 3rd heat exchanger), is effectively increased outdoor heat exchanger heat exchange area, improves heat pump Energy Efficiency Ratio；Under winter heating's defrosting operating condition, source pump can realize that defrosting process still to indoor heating, improves indoor thermal comfort.
Description
Technical field
The present invention relates to air source heat pump system technical field, more particularly to a kind of air-source heat of the non-interruption heat supply of defrosting
Pumping system.
Background technology
Air source heat pump has using inexhaustible air as low level heat energy, and applicable territorial scope is wide, equipment
The advantages that utilization rate is high.Air source heat pump performance is influenceed very big by outdoor environment.In winter, net for air-source heat pump units is to indoor confession
When hot, when outdoor coil temperature be less than 0 DEG C, and less than outdoor air dew-point temperature when, it is outdoor coil pipe used will frosting.And air
Source heat pump frosting has two main influences on operation of heat pump：1. a large amount of frost accumulations will make the reduction of evaporator heat transfer coefficient；2. frosting
Hinder the gas flowing between outdoor evaporator finned coil, the increase of blower fan energy loss.With outdoor heat exchanger wall frost layer
Increase, outdoor heat exchanger evaporating temperature decline, unit heating capacity reduce, fan performance decay, input current increase, heat supply
Energy coefficient reduces, and compressor can be out of service when serious, so that unit cisco unity malfunction.Therefore, periodically defrosting turns into sky
The means that air supply heat pump normal operation must be taken.The effective Defrost mode generally used at present is somebody's turn to do for reverse cycle defrosting
Defrost mode must shut down defrosting, the problems such as low level heat energy is insufficient, heating is discontinuous, indoor environment thermal comfort difference be present.Cause
This, to improve system run all right, ensureing environmental thermal comfort, set forth herein a kind of air-source heat of the non-interruption heat supply of defrosting
Pumping system.
The content of the invention
(1) technical problems to be solved
It is an object of the invention to provide a kind of air source heat pump system of the non-interruption heat supply of defrosting, it is intended to solves existing skill
Air source heat pump in art must be shut down in defrosting, heat discontinuous, indoor environment thermal comfort difference and system run all right
The problem of property difference.
(2) technical scheme
In order to solve the above-mentioned technical problem, the invention provides a kind of defrosting it is non-interruption heat supply air source heat pump system,
Including be sequentially arranged on refrigerant loop compressor, the first reversal valve, First Heat Exchanger, check valve, the first magnetic valve, second
Heat exchanger, the 3rd magnetic valve and first throttle mechanism；Wherein, the First Heat Exchanger is positioned at interior, described the be located outside
The 3rd heat exchanger, the First Heat Exchanger and second heat exchanger, the 3rd heat exchanger have been arranged in series on two heat exchangers
Between be provided with the second reversal valve.
In an embodiment of the invention, second throttle body has been arranged in parallel it on the check valve.
In an embodiment of the invention, in addition to gas-liquid separator, the gas-liquid separator are arranged on the pressure
In the return line of contracting machine.
In an embodiment of the invention, on the 3rd magnetic valve and pipeline where the first throttle mechanism
It has been arranged in parallel the 4th magnetic valve and the 3rd throttle mechanism.
In an embodiment of the invention, first magnetic valve, second heat exchanger and the 3rd throttling
Second solenoid valve has been arranged in parallel on pipeline where mechanism.
In an embodiment of the invention, the pipeline between the 3rd magnetic valve and the first throttle mechanism with
Pipeline between the second solenoid valve and the 3rd throttle mechanism is connected.
In an embodiment of the invention, the 5th magnetic valve has been arranged in parallel it on second reversal valve.
In an embodiment of the invention, first reversal valve and second reversal valve are four-way commutation
Valve.
In an embodiment of the invention, second heat exchanger and the 3rd heat exchanger are respectively positioned on outdoor.
(3) beneficial effect
Compared with prior art, above-mentioned technical proposal of the invention has the advantages that：1st, cooling in summer, winter system
Under thermal condition, due to adding a set of outdoor heat exchange equipment (the 3rd heat exchanger), outdoor heat exchanger heat-transfer surface is effectively increased
Product, improves heat pump Energy Efficiency Ratio；2nd, under winter heating's defrosting operating condition, source pump can realize defrosting process still to interior
Heat supply, improve indoor thermal comfort；3rd, the process that defrosts is overcome defrosting in the past and is lacked low level heat using outdoor air as thermal source
The problem of source, therefore there is energy-conservation, defrost the characteristics of safe；4th, the connected four-way commutation of the exhaust outlet of compressor of the system
Valve only has the conversion of summer in winter just to need to commutate, and the problem of role transforming of the indoor and outdoor machine as evaporator and condenser is not present,
Be advantageous to the safe and reliable property of raising system.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of the air source heat pump system of the non-interruption heat supply of defrosting of the embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of refrigerating of the air source heat pump system of the non-interruption heat supply of defrosting in Fig. 1；
Fig. 3 is a kind of heating schematic diagram of the air source heat pump system of the non-interruption heat supply of defrosting in Fig. 1；
Fig. 4 is that a kind of a kind of winter frost removing of the air source heat pump system of the non-interruption heat supply of defrosting heats schematic diagram in Fig. 1；
Fig. 5 is that a kind of another winter frost removing of the air source heat pump system of the non-interruption heat supply of defrosting heats principle in Fig. 1
Figure；
Wherein, 1- compressors；The reversal valves of 2- first；3- First Heat Exchangers；4- second throttle body；5- check valves；6-
One magnetic valve；7- second solenoid valves；The reversal valves of 8- second；The heat exchangers of 9- second；The magnetic valves of 10- the 3rd；11- first throttle machines
Structure；The magnetic valves of 12- the 4th；The throttle mechanisms of 13- the 3rd；The heat exchangers of 14- the 3rd；The magnetic valves of 15- the 5th；16- gas-liquid separators.
Embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following examples are used for
Illustrate the present invention, but can not be used for limiting the scope of the present invention.
In the description of the invention, unless otherwise indicated, " multiple " are meant that two or more；Unless otherwise saying
Bright, the implication of " nick shaped " is the shape in addition to section is concordant.Term " on ", " under ", "left", "right", " interior ", " outer ", " preceding
End ", " rear end ", " head ", the orientation of the instruction such as " afterbody " or position relationship be based on orientation shown in the drawings or position relationship,
Be for only for ease of the description present invention and simplify description, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ",
" second ", " 3rd " etc. are only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary.For this
For the those of ordinary skill in field, concrete condition can be regarded and understand the concrete meaning of above-mentioned term in the present invention.
Referring to described in Fig. 1 to Fig. 5, the invention provides a kind of air source heat pump system of the non-interruption heat supply of defrosting, including
It is sequentially arranged in compressor 1 on refrigerant loop, the first reversal valve 2, First Heat Exchanger 3, check valve 5, the first magnetic valve 6,
Two heat exchangers 9, the 3rd magnetic valve 10 and first throttle mechanism 11；Wherein, First Heat Exchanger 3 is positioned at interior, the be located outside
The 3rd heat exchanger 14 has been arranged in series on two heat exchangers 9, has been set between the heat exchanger 9 of First Heat Exchanger 3 and second, the 3rd heat exchanger 14
It is equipped with the second reversal valve 8.Second throttle body 4 has been arranged in parallel on check valve 5.3rd magnetic valve 10 and first throttle mechanism 11
The 4th magnetic valve 12 and the 3rd throttle mechanism 13 have been arranged in parallel on the pipeline at place.First magnetic valve 6, the and of the second heat exchanger 9
Second solenoid valve 7 has been arranged in parallel on pipeline where 3rd throttle mechanism 13.3rd magnetic valve 10 and first throttle mechanism 11
Between pipeline be connected with the pipeline between the throttle mechanism 13 of second solenoid valve 7 and the 3rd.It is arranged in parallel on second reversal valve 8
There is the 5th magnetic valve 15.
A kind of air source heat pump system of the non-interruption heat supply of defrosting provided by the invention, compared with prior art, has such as
Lower advantage：1st, under cooling in summer, winter heating's operating mode, due to adding a set of outdoor heat exchange equipment (the 3rd heat exchanger), effectively
Add outdoor heat exchanger heat exchange area, improve heat pump Energy Efficiency Ratio；2nd, under winter heating's defrosting operating condition, source pump
It can realize that defrosting process still to indoor heating, improves indoor thermal comfort；3rd, defrost process using outdoor air as thermal source,
The problem of defrosting lacks low level heat energy in the past is overcome, therefore there is energy-conservation, defrost the characteristics of safe；4th, the pressure of the system
The connected four-way reversing valve of contracting machine exhaust outlet only has the conversion of summer in winter just to need to commutate, and in the absence of indoor and outdoor machine as evaporator with
The problem of role transforming of condenser, be advantageous to the safe and reliable property of raising system.
Said system is by switching the first reversal valve 2, the second reversal valve 8 and the first magnetic valve 6, second solenoid valve the 7, the 3rd
The opening and closing of magnetic valve 10, the 4th magnetic valve 12, the 5th magnetic valve 15 realizes that the normal cooling of system, normal heat supply, defrosting heat 3 kinds
Operational mode.When summer cooling and winter normal heat supply, (the second heat exchanger 9 and the 3rd changes double outdoor heat exchangers equipped with blower fan
Hot device 14) it can ensure that heat pump has larger outdoor heat exchange area, so as to ensure refrigeration and the Effec-tive Function of heating condition.When
When heat pump Winter heat supply outdoor heat exchanger needs defrosting, pass through the action of the second reversal valve 8 and its magnetic valve, it is possible to achieve indoor
When heat exchanger (First Heat Exchanger 3) and outfit blower fan are to indoor radiating, the mistake from indoor heat exchanger (First Heat Exchanger 3) is utilized
Cold refrigerant liquid gives the defrosting of one of the 3rd heat exchanger 14 of the second heat exchanger 9 equipped with blower fan with being furnished with blower fan, separately
Outer one is used as evaporator to take heat from outdoor environment.Therefore, the system can realize normal heating, normal refrigeration, and can be with
Realize in the defrosting period that heat pump is non-to be interrupted to building heat supplying, ensure that system run all right and indoor thermal comfort.
As a kind of embodiment of defrosting air source heat pump system provided by the invention, in addition to gas-liquid separator
16, gas-liquid separator 16 is arranged in the return line of compressor 1.
As a kind of embodiment of defrosting air source heat pump system provided by the invention, the first reversal valve 2 and
Two reversal valves 8 are four-way reversing valve.The connected four-way reversing valve of the exhaust outlet of compressor of the system only has the conversion of summer in winter just to need
Commutate, and the problem of in the absence of role transforming of the indoor and outdoor machine as evaporator and condenser, be advantageous to raising system safely,
Reliability.
As a kind of embodiment of defrosting air source heat pump system provided by the invention, the second heat exchanger 9 and
Three heat exchangers 14 are respectively positioned on outdoor.Due to adding a set of outdoor heat exchange equipment (the 3rd heat exchanger), outdoor is effectively increased
Heat exchanger heat exchange area, improve heat pump Energy Efficiency Ratio.
The air source heat pump system of the non-interruption heat supply of a kind of defrosting of the present invention, when being worked under different operating modes：
1st, summer normal refrigerating mode
Shown in Figure 2, the first magnetic valve 6 is closed.System operation is as follows：Refrigerant from compressor 1 is through flowing through
One reversal valve 2, since then refrigerant flow direction be divided into two-way.The 5th magnetic valve 15 is wherein flowed through all the way to change into the 3rd equipped with blower fan
Hot device 14 condenses heat release, passes through the 4th magnetic valve 12, another way flows through the second reversal valve 8, is changed into second equipped with blower fan
Hot device 9 condenses heat release and passes through the 3rd magnetic valve 10, converges in the porch of second solenoid valve 7, flows through second throttle body 4 jointly
Reducing pressure by regulating flow, absorbed heat in the First Heat Exchanger 3 equipped with blower fan, then flow through the first reversal valve 2, gas-liquid separator 16 successively again,
Finally return that compressor 1 is compressed again.
2nd, winter normal heat supply mode
Shown in Figure 3, the first magnetic valve 6, the 3rd magnetic valve 10, the 4th magnetic valve 12 are closed.System operation is as follows：Come
From the cold-producing medium stream of compressor 1 through the first reversal valve 2, after condensing heat release into the First Heat Exchanger 3 equipped with blower fan, then flow successively
Through check valve 5, second solenoid valve 7, refrigerant flow direction is divided into two-way since then.Wherein all the way by the 3rd throttle mechanism 13 throttling drop
Pressure, absorbs heat in the second heat exchanger 9 equipped with blower fan, then flows through one end of the magnetic valve 15 of the second reversal valve 8 to the 5th successively again；
Another way flows through the reducing pressure by regulating flow of first throttle mechanism 11, and the 5th magnetic valve is flowed through in the 3rd heat exchanger 14 heat absorption equipped with blower fan
15, so far two-way refrigerant converge, then flow through the first reversal valve 2, gas-liquid separator 16 jointly, finally return that compressor 1 again
It is secondary to be compressed.
3rd, winter frost removing heating mode A (the second heat exchanger 9 defrosts)
Shown in Figure 4, second solenoid valve 7, the 4th magnetic valve 12, the 5th magnetic valve 15 are closed.Second heat exchanger 9 enters
Mouth end is connected with the port of export of the first magnetic valve 6, and system operation is as follows：Cold-producing medium stream from compressor 1 is through the first commutation
Valve 2, it is supercooling refrigerant after condensing heat release into the First Heat Exchanger 3 equipped with blower fan, then flows through the electricity of check valve 5, first successively
Magnet valve 6, the second reversal valve 8, subsequently into passing through the 3rd magnetic valve 10 after the heat release defrosting of the second heat exchanger 9 equipped with blower fan,
Through the reducing pressure by regulating flow cooling of first throttle mechanism 11, absorbed heat into the 3rd heat exchanger 14 equipped with blower fan from outdoor environment, then successively
The second reversal valve 8, gas-liquid separator 16 are flowed through, finally returns that compressor 1 is compressed again.
4th, winter frost removing heating mode B (the 3rd heat exchanger 14 defrosts)
Referring to described in Fig. 5, second solenoid valve 7, the 3rd magnetic valve 10, the 5th magnetic valve 15 are closed.3rd heat exchanger 14
Arrival end is connected with the port of export of the first magnetic valve 6, and system operation is as follows：Cold-producing medium stream from compressor 1 is changed through first
It is supercooling refrigerant after condensing heat release into the First Heat Exchanger 3 equipped with blower fan, then flow through check valve 5, first successively to valve 2
Magnetic valve 6, the second reversal valve 8 pass through the 4th magnetic valve 12 after entering the heat release defrosting of the 3rd heat exchanger 14 equipped with blower fan,
Reducing pressure by regulating flow cools in 3rd throttle mechanism 13, absorbs heat into the second heat exchanger 9 equipped with blower fan from environment, then flows successively again
Through the second reversal valve 8, the first reversal valve 2, gas-liquid separator 16, finally return that compressor 1 is compressed again.
A kind of air source heat pump system of the non-interruption heat supply of defrosting provided by the invention, has following technique effect：(1) summer
Freeze in season, under winter heating's operating mode, due to adding a set of outdoor heat exchange equipment (the 3rd heat exchanger 14), be effectively increased room
External heat exchanger heat exchange area, improve heat pump Energy Efficiency Ratio；(2) under winter heating's defrosting operating condition, source pump can be realized
Defrosting process still to indoor heating, improves indoor thermal comfort；(3) traditional air source heat pump lacks low level heat energy, causes
Defrosting cycle is grown, and energy consumption is big (defrosting heat is essentially from compressor), or even brings the safety problem of operation of heat pump.The system,
Substantially defrosting process overcomes the problem of defrosting lacks low level heat energy in the past using outdoor air as thermal source, therefore with section
Can, it defrost the characteristics of safe；(4) the four-way reversing valve commutation defrosting that tradition defrosting is connected by exhaust outlet of compressor, room
Role transforming of the internal-external machine as evaporator and condenser, causes refrigerant and lubricating oil frequently to be redistributed in system, and four
Logical reversal valve commutating frequency is high.The connected four-way reversing valve of the exhaust outlet of compressor of the system only has the conversion of summer in winter just to need to change
To, and the problem of in the absence of role transforming of the indoor and outdoor machine as evaporator and condenser, it is safe and reliable to be advantageous to raising system
Property.
The system can realize normal heating, normal refrigeration, and can realize in the defrosting period that heat pump is non-and be interrupted to building
Heat supply is built, ensure that system run all right and indoor thermal comfort, a kind of non-interruption defrosting type air source heat pump system can be promoted
Unite in the application in China residential architecture field, and theories integration and technology are provided to create efficient, high-comfort space
Deposit, contributed for the building energy conservation emission reduction in China city and rural area, there is very important realistic meaning.
Finally it should be noted that the solution of the present invention can also be effectively prevented from the white water evaporation water steaming of (1) thawing occur
Influence of the gas to other branch road frostings；(2) influence of the low grade of defrosting water to other branch roads；(3) air stream etc. is to defrosing pipe
The influence of road defrosting speed；(4) thermal loss caused by the heat transfer between defrosting branch road and non-defrosting branch road.In addition, solely
The configuration mode of vertical dual chamber external heat exchanger, blower fan can independent control, there is regulation and control the advantages of facilitating.
Embodiments of the invention provide for the sake of example and description, and are not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
Select and describe embodiment and be to more preferably illustrate the principle and practical application of the present invention, and make one of ordinary skill in the art
It will be appreciated that the present invention is so as to designing the various embodiments with various modifications suitable for special-purpose.
Claims (9)
1. a kind of air source heat pump system of the non-interruption heat supply of defrosting, it is characterised in that including being sequentially arranged on refrigerant loop
Compressor (1), the first reversal valve (2), First Heat Exchanger (3), check valve (5), the first magnetic valve (6), the second heat exchanger
(9), the 3rd magnetic valve (10) and first throttle mechanism (11)；Wherein, the First Heat Exchanger (3) is located outside positioned at interior
Second heat exchanger (9) on be arranged in series the 3rd heat exchanger (14), the First Heat Exchanger (3) and the described second heat exchange
The second reversal valve (8) is provided between device (9), the 3rd heat exchanger (14).
2. the air source heat pump system of the non-interruption heat supply of defrosting according to claim 1, it is characterised in that the check valve
(5) second throttle body (4) has been arranged in parallel on.
3. the air source heat pump system of the non-interruption heat supply of defrosting according to claim 1, it is characterised in that also including gas-liquid
Separator (16), the gas-liquid separator (16) are arranged in the return line of the compressor (1).
4. the air source heat pump system of the non-interruption heat supply of defrosting according to claim 1, it is characterised in that the 3rd electricity
The 4th magnetic valve (12) and the 3rd throttling have been arranged in parallel on pipeline where magnet valve (10) and the first throttle mechanism (11)
Mechanism (13).
5. the air source heat pump system of the non-interruption heat supply of defrosting according to claim 4, it is characterised in that first electricity
The second electromagnetism has been arranged in parallel on pipeline where magnet valve (6), second heat exchanger (9) and the 3rd throttle mechanism (13)
Valve (7).
6. the air source heat pump system of the non-interruption heat supply of defrosting according to claim 5, it is characterised in that the 3rd electricity
Pipeline and the second solenoid valve (7) and the 3rd throttle mechanism between magnet valve (10) and the first throttle mechanism (11)
(13) pipeline between is connected.
7. the air source heat pump system of the non-interruption heat supply of defrosting according to claim 1, it is characterised in that described second changes
The 5th magnetic valve (15) has been arranged in parallel on to valve (8).
8. the air source heat pump system of the non-interruption heat supply of defrosting according to any one of claim 1 to 7, its feature exist
In first reversal valve (2) and second reversal valve (8) are four-way reversing valve.
9. the air source heat pump system of the non-interruption heat supply of defrosting according to claim 8, it is characterised in that described second changes
Hot device (9) and the 3rd heat exchanger (14) are respectively positioned on outdoor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710994621.XA CN107655124B (en) | 2017-10-23 | 2017-10-23 | Air source heat pump system of non-interrupted heat supply of defrosting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710994621.XA CN107655124B (en) | 2017-10-23 | 2017-10-23 | Air source heat pump system of non-interrupted heat supply of defrosting |
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| Publication Number | Publication Date |
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| CN107655124A true CN107655124A (en) | 2018-02-02 |
| CN107655124B CN107655124B (en) | 2023-03-14 |
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| CN201710994621.XA Active CN107655124B (en) | 2017-10-23 | 2017-10-23 | Air source heat pump system of non-interrupted heat supply of defrosting |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362032A (en) * | 2018-04-04 | 2018-08-03 | 北京卡林新能源技术有限公司 | A kind of net for air-source heat pump units of continuous heat supply |
| CN111189263A (en) * | 2020-01-13 | 2020-05-22 | 上海应用技术大学 | High-efficiency energy-saving air source heat pump |
| WO2022144946A1 (en) * | 2021-01-02 | 2022-07-07 | Cristiano Paoletti | Improvement of reverse liquid defrosting system and method |
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| CN108362032A (en) * | 2018-04-04 | 2018-08-03 | 北京卡林新能源技术有限公司 | A kind of net for air-source heat pump units of continuous heat supply |
| CN111189263A (en) * | 2020-01-13 | 2020-05-22 | 上海应用技术大学 | High-efficiency energy-saving air source heat pump |
| WO2022144946A1 (en) * | 2021-01-02 | 2022-07-07 | Cristiano Paoletti | Improvement of reverse liquid defrosting system and method |
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|---|---|
| CN107655124B (en) | 2023-03-14 |
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