CN106642793A - Multifunctional air source heat pump unit capable of uninterrupted heating - Google Patents
Multifunctional air source heat pump unit capable of uninterrupted heating Download PDFInfo
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- CN106642793A CN106642793A CN201710139704.0A CN201710139704A CN106642793A CN 106642793 A CN106642793 A CN 106642793A CN 201710139704 A CN201710139704 A CN 201710139704A CN 106642793 A CN106642793 A CN 106642793A
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- China
- Prior art keywords
- valve
- pump unit
- way change
- heat exchanger
- air source
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Classifications
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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
- 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
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
-
- 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
- F25B41/31—Expansion 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or 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
- 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
- F25B2313/0271—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means the compressor allows rotation in reverse direction
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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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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention discloses a multifunctional air source heat pump unit capable of uninterrupted heating. The multifunctional air source heat pump unit comprises a compressor, a plurality of finned heat exchangers, a plurality of four-way reversing valves, a first shell and tube type heat exchanger, a second shell and tube type heat exchanger, throttling elements and the like, wherein the plurality of four-way reversing valves are respectively corresponding to the plurality of finned heat exchangers one by one, each of the four-way reversing valves comprises a first valve port, a second valve port, a third valve port and a fourth valve port, the first valve port is connected with an exhaust port, the second valve port is connected with one end of the corresponding finned heat exchanger, the third valve port is connected with a suction port, the fourth valve port is connected with an air port of the second shell and tube type heat exchanger through a check valve, and an air port of the first shell and tube type heat exchanger is connected with the suction port; the other end of each of the finned heat exchangers is connected with a one-way valve and the corresponding heating and throttling element. According to the multifunctional air source heat pump unit capable of uninterrupted heating, disclosed by the invention, a cold source and a heat source can be provided at the same time, so that the efficiency of the unit is improved; in the defrosting process, the heating operation is not interrupted, so that the use comfort of a user is ensured.
Description
Technical field
The present invention relates to refrigerating field, more particularly, to a kind of continuously heating multifunctional air source heat pump unit.
Background technology
Existing net for air-source heat pump units can not simultaneously provide low-temperature receiver and thermal source, all need when low-temperature receiver or thermal source demand is provided
Unwanted heat or cold are discharged in air, energy dissipation is caused so that the efficiency of net for air-source heat pump units is low.
When existing net for air-source heat pump units provides thermal source in the winter time, when finned heat exchanger surface temperature is less than 0 DEG C,
Finned heat exchanger will frosting, need to defrost finned heat exchanger, defrosting process need to by cross valve commutated with
Switch to refrigeration mode, change the flow direction of the refrigerant in finned heat exchanger to carry out reverse cycle defrosting.During reverse cycle defrosting
Because refrigerant pressure fluctuation impacts larger to compressor, the service life of compressor can be shortened, while in reverse cycle defrosting process
In, periodically drastically declined using side heat source temperature and cause comfortableness to reduce.
The content of the invention
Present invention seek to address that technical problem present in prior art.For this purpose, it is an object of the present invention to proposing
A kind of continuously heating multifunctional air source heat pump unit, can provide low-temperature receiver and thermal source or life heat to using side simultaneously
Water.Meanwhile, during defrosting, heating operation does not interrupt the continuously heating multifunctional air source heat pump unit, and unit is held
Continue to using side and heat is provided, it is ensured that the comfort of user.
Continuously heating multifunctional air source heat pump unit according to embodiments of the present invention, including：Compressor, the compression
Machine has air entry and exhaust outlet；Multiple finned heat exchangers and multiple four-way change-over valves, the plurality of four-way change-over valve and institute
State multiple finned heat exchangers to correspond respectively, each described four-way change-over valve includes first to fourth valve port, described in each
First valve port of four-way change-over valve is connected with the exhaust outlet, second valve port of each four-way change-over valve and institute
The one end for stating finned heat exchanger is connected, and the 3rd valve port of each four-way change-over valve is connected with the air entry, often
4th valve port of the individual four-way change-over valve is respectively connected with a check-valves, and the outlet of each check-valves passes through the 3rd
Pipeline communication；The other end of each finned heat exchanger is respectively connected with a check valve and heats restricting element, each institute
State check valve outlet and each described in heat restricting element and be connected to each other by common line；First shell and tube exchanger, institute
The first shell and tube exchanger is stated with the first to the second mouth of pipe, first mouth of pipe is connected with the air entry, the second pipe
Mouth is connected with refrigeration restricting element, and the other end of the refrigeration restricting element is respectively with outlet, the refrigeration for heating check valve unidirectionally
The outlet of valve is connected, and the import of the refrigeration check valve is connected with the common line；Second shell and tube exchanger, described second
Shell and tube exchanger has the 3rd to the 4th mouth of pipe, and the 3rd mouth of pipe is connected with the 3rd pipeline, the 4th mouth of pipe with
The import for heating check valve is connected；Heat motor-driven valve, described one end for heating motor-driven valve and described heat going out for check valve
Mouth is connected, and the other end for heating motor-driven valve is connected with the common line；Refrigeration motor-driven valve, the one of the refrigeration motor-driven valve
End is connected with the 3rd pipeline, and the other end of the refrigeration motor-driven valve is connected with the air entry；
Continuously heating multifunctional air source heat pump unit according to embodiments of the present invention, by arranging multiple finned change
Hot device, multiple cross valves, the first shell and tube exchanger, the second shell and tube exchanger, so as to not only can simultaneously to being carried using side
For low-temperature receiver and thermal source or domestic hot-water, cold and heat are all reclaimed, improve the efficiency of net for air-source heat pump units, while
The utilization of single low-temperature receiver or thermal source can also be carried out, and can be by the pattern seamless switching for providing low-temperature receiver and thermal source simultaneously
The pattern of single low-temperature receiver or thermal source is provided.And continuously heating multifunctional air source heat pump unit according to embodiments of the present invention,
Thermal source is uninterruptedly provided when can defrost to finned heat exchanger in the winter time, it is to avoid traditional leads because finned heat exchanger defrosts
Temperature cycling drastically decline the in use side of cause and the comfortableness brought is reduced, improve the comfort of user, and removing
Heating operation is continual and steady between frost season, does not cause system pressure to change, therefore compressor do not impacted, and extends compressor
Service life.
In addition, continuously heating multifunctional air source heat pump unit of the invention also has following supplementary technology special
Levy：
In some embodiments of the invention, first valve port of the plurality of four-way change-over valve is connected by the first pipeline
Logical, the exhaust outlet is connected with first pipeline.So that the structure of continuously heating multifunctional air source heat pump unit
Simply.
Some embodiments of the invention, the 3rd valve port of the plurality of four-way change-over valve is connected by second pipe
Logical, the air entry is connected with the second pipe.So that the structure of continuously heating multifunctional air source heat pump unit
Simply.
Alternatively, it is described to heat motor-driven valve for magnetic valve or other electric drive valves.
Alternatively, the refrigeration motor-driven valve is magnetic valve or other electric drive valves.
Alternatively, the refrigeration restricting element is electric expansion valve or heating power expansion valve.
Alternatively, restricting element is heated described in each for electric expansion valve or heating power expansion valve.
Specifically, the compressor is refrigeration compressor.
Alternatively, the compressor is helical-lobe compressor.
The additional aspect and advantage of the present invention will be set forth in part in the description, and partly will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from the description with reference to accompanying drawings below to embodiment
It is substantially and easy to understand, wherein：
Fig. 1 be according to the continuously heating multifunctional air source heat pump unit of the embodiment of the present invention be in refrigerating operaton when
Schematic diagram；
Fig. 2 is in refrigeration simultaneously, system according to the continuously heating multifunctional air source heat pump unit of the embodiment of the present invention
Schematic diagram during heat operation；
Fig. 3 be according to the continuously heating multifunctional air source heat pump unit of the embodiment of the present invention be in heating operation when
Schematic diagram；
Fig. 4 is in heating operation and the according to the continuously heating multifunctional air source heat pump unit of the embodiment of the present invention
Schematic diagram of four finned heat exchangers in defrosting state；
Fig. 5 is in heating operation and the according to the continuously heating multifunctional air source heat pump unit of the embodiment of the present invention
Schematic diagram of three finned heat exchangers in defrosting state；
Fig. 6 is in heating operation and the according to the continuously heating multifunctional air source heat pump unit of the embodiment of the present invention
Schematic diagram of two finned heat exchangers in defrosting state；
Fig. 7 is in heating operation and the according to the continuously heating multifunctional air source heat pump unit of the embodiment of the present invention
Schematic diagram of one finned heat exchanger in defrosting state.
Reference：
Continuously heating multifunctional air source heat pump unit 1000, compressor 10, exhaust outlet b, air entry a,
First four-way change-over valve 20a, the second four-way change-over valve 20b, the 3rd four-way change-over valve 20c, the 4th four-way change-over valve
20d, the first valve port d, the second valve port c, the 3rd valve port s, the 4th valve port e,
First finned heat exchanger 30a, the second finned heat exchanger 30b, the 3rd finned heat exchanger 30c, the 4th fin
Formula heat exchanger 30d,
First check valve 40a, the second check valve 40b, the 3rd check valve 40c, the 4th check valve 40d,
First heats restricting element 130a, second heats restricting element 130b, the 3rd heats restricting element 130c, the 4th system
Thermal center fluid element 130d, common line 180
First check-valve 90a, second check-valve 90b, the 3rd check-valves 90c, the 4th check-valves 90d,
First shell and tube exchanger 70, the first mouth of pipe f, the second mouth of pipe g,
Second shell and tube exchanger 100, the 3rd mouth of pipe h, the 4th mouth of pipe j,
Refrigeration restricting element 60, refrigeration check valve 50, heat check valve 110,
Heat motor-driven valve 120, refrigeration motor-driven valve 80
First pipeline 150, second pipe 160, the 3rd pipeline 170
First discharge outlet m, the second discharge outlet n
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " " center ", " on ", D score, "front", "rear", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " item ", " bottom ", " interior ", " outward " is based on shown in the drawings
Orientation or position relationship, be for only for ease of description the present invention and simplify description, rather than indicate or imply indication device or
Element with specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.This
Outward, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance or implicit finger
The quantity of bright indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be expressed or implicitly include
One or more this feature.In describing the invention, unless otherwise stated, " multiple " be meant that two or two with
On.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Continuously heating multifunctional air source heat pump unit according to embodiments of the present invention is described below with reference to Fig. 1-Fig. 7
1000.It should be noted that in following continuously heating multifunctional air source heat pump units 1000, between only describing this not
The disconnected multifunctional air source heat pump unit 1000 that heats includes the situation of four finned heat exchangers and four four-way change-over valves, but
It should be noted that the invention is not restricted to this, the technical staff of common art appreciates that, is reading the present invention
Teaching disclosed herein, can be applied to continuously heating multifunctional air source heat pump unit 1000 including two by the embodiment
Finned heat exchanger and the situation of the four-way change-over valve of two, three and more than four of individual, three and more than four, wherein,
The quantity of finned heat exchanger and the quantity of four-way change-over valve are equal and correspond respectively, and this also falls into the protection of the present invention
Within the scope of, continuously heating multifunctional air source heat pump unit 1000 is described in detail below.
As shown in figs 1 to 6, continuously heating multifunctional air source heat pump unit 1000 according to embodiments of the present invention, bag
Include：10, four four-way change-over valves (20a, 20b, 20c, 20d) of compressor, four finned heat exchangers (30a, 30b, 30c,
30d), four check valves (40a, 40b, 40c, 40d), four heat restricting element (130a, 130b, 130c, 130d), four only
Return valve (90a, 90b, 90c, 90d), the first shell and tube exchanger 70, the second shell and tube exchanger 100, refrigeration restricting element 60,
Refrigeration check valve 50, heat check valve 110, refrigeration motor-driven valve 80, heat motor-driven valve 120, wherein, compressor 10 have air entry
A and exhaust outlet b, specifically, compressor 10 is refrigeration compressor.Alternatively, compressor 10 is screw compressor, needs explanation
, the structure and working principle of compressor 10 etc. is prior art, is just not described in detail here.
Four four-way change-over valves are corresponded respectively with four finned heat exchangers, and each four-way change-over valve includes the first valve
Mouth d, the second valve port c, the 3rd valve port s and the 4th valve port e, the first valve port d of each four-way change-over valve is connected with exhaust outlet b, often
Second valve port c of individual four-way change-over valve is connected with one end of finned heat exchanger, the 3rd valve port s and the suction of each four-way change-over valve
Gas port a is connected, and the 4th valve port e of each four-way change-over valve is respectively connected with check-valves, and the outlet of each check-valves is by the 3rd pipe
The UNICOM of road 170；The other end of each finned heat exchanger is respectively connected with a check valve and heats restricting element, each check valve
Outlet and each heat restricting element and be connected to each other by common line 180.
Specifically, four four-way change-over valves be respectively the first four-way change-over valve 20a, the second four-way change-over valve 20b, the three or four
Logical reversal valve 20c and the 4th four-way change-over valve 20d, four finned heat exchangers be respectively the first finned heat exchanger 30a, second
Finned heat exchanger 30b, the 3rd finned heat exchanger 30c and the 4th finned heat exchanger 30d, wherein, the first four-way change-over valve
The first valve port d of 20a is connected with exhaust outlet b, the second valve port c and the first finned heat exchanger 30a of the first four-way change-over valve 20a
One end be connected, the 3rd valve port s of the first four-way change-over valve 20a is connected with air entry a, the 4th of the first four-way change-over valve 20a the
Valve port e is connected with first check-valve 90a.
The first valve port d of the second four-way change-over valve 20b is connected with exhaust outlet b, second valve port of the second four-way change-over valve 20b
C is connected with one end of the second finned heat exchanger 30b, and the 3rd valve port s of the second four-way change-over valve 20b is connected with air entry a, the
The 4th valve port e of two four-way change-over valve 20b is connected with second check-valve 90b.
The first valve port d of the 3rd four-way change-over valve 20c is connected with exhaust outlet b, second valve port of the 3rd four-way change-over valve 20c
C is connected with one end of the 3rd finned heat exchanger 30c, and the 3rd valve port s of the 3rd four-way change-over valve 20c is connected with air entry b, the
The 4th valve port e of three four-way change-over valve 20c is connected with the 3rd check-valves 90c.
The first valve port d of the 4th four-way change-over valve 20d is connected with exhaust outlet b, second valve port of the 4th four-way change-over valve 20d
C is connected with one end of the 4th finned heat exchanger 30d, and the 3rd valve port s of the 4th four-way change-over valve 20d is connected with air entry b, the
The 4th valve port e of four four-way change-over valve 20d is connected with the 4th check-valves 90d.
The outlet of first check-valve 90a, the outlet of second check-valve 90b, the outlet of the 3rd check-valves 90c, the 4th non-return
The outlet of valve 90d is respectively connecting on the 3rd pipeline 170, that is to say, that first check-valve 90a is from the first four-way change-over valve
One-way conduction on the direction of the 4th pipelines 170 of valve port e to the 3rd of 20a, second check-valve 90b is from the second four-way change-over valve
One-way conduction on the direction of the 4th pipelines 170 of valve port e to the 3rd of 20b, the 3rd check-valves 90c is from the 3rd four-way change-over valve
One-way conduction on the direction of the 4th pipelines 170 of valve port e to the 3rd of 20c, the 4th check-valves 90d is from the 4th four-way change-over valve
One-way conduction on the direction of the 4th pipelines 170 of valve port e to the 3rd of 20d.
The other end of the first finned heat exchanger 30a is connected with the first check valve 40a and first and heats restricting element 130a,
The outlet of the first check valve 40a, first are heated restricting element 130a and are connected by common line 180, and specifically, first is unidirectional
The import of valve 40a is connected with the first finned heat exchanger 30a, and the outlet of the first check valve 40a is connected with common line 180, the
One two ends for heating restricting element 130a are connected respectively with the first finned heat exchanger 30a, common line 180, that is to say, that the
It is in parallel that one check valve 40a and first heats restricting element 130a, and the first check valve 40a is from the first finned heat exchanger 30a
The one-way conduction on the direction of common line 180.
The other end of the second finned heat exchanger 30b is connected with the second check valve 40b and second and heats restricting element 130b,
The outlet of the second check valve 40b, second are heated restricting element 130b and are connected by common line 180, and specifically, second is unidirectional
The import of valve 40b is connected with the second finned heat exchanger 30b, and the outlet of the second check valve 40b is connected with common line 180, the
Two two ends for heating restricting element 130b are connected respectively with the second finned heat exchanger 30b, common line 180, that is to say, that the
It is in parallel that two check valve 40b and second heat restricting element 130b, and the second check valve 40b is from the second finned heat exchanger 30b
The one-way conduction on the direction of common line 180.
The other end of the 3rd finned heat exchanger 30c is connected with the 3rd check valve 40c and the 3rd and heats restricting element 130c,
The outlet of the 3rd check valve 40c, the 3rd are heated restricting element 130c and are connected by common line 180, and specifically, the 3rd is unidirectional
The import of valve 40c is connected with the 3rd finned heat exchanger 30c, and the outlet of the 3rd check valve 40c is connected with common line 180, the
Three two ends for heating restricting element 130c are connected respectively with the 3rd finned heat exchanger 30c, common line 180, that is to say, that the
It is in parallel that three check valve 40c and the 3rd heat restricting element 130c, and the 3rd check valve 40c is from the 3rd finned heat exchanger 30c
The one-way conduction on the direction of common line 180.
The other end of the 4th finned heat exchanger 30d is connected with the 4th check valve 40d and the 4th and heats restricting element 130d,
The outlet of the 4th check valve 40d, the 4th are heated restricting element 130d and are connected by common line 180, and specifically, the 4th is unidirectional
The import of valve 40d is connected with the 4th finned heat exchanger 30d, and the outlet of the 4th check valve 40d is connected with common line 180, the
Four two ends for heating restricting element 130d are connected respectively with the 4th finned heat exchanger 30d, common line 180, that is to say, that the
It is in parallel that four check valve 40d and the 4th heat restricting element 130d, and the 4th check valve 40d is from the 4th finned heat exchanger 30d
The one-way conduction on the direction of common line 180.
Alternatively, first to fourth restricting element (130a, 130b, 130c, 130d) is heated for electric expansion valve or heating power
Expansion valve.
First shell and tube exchanger 70 has the first mouth of pipe f, the second mouth of pipe g, and the first mouth of pipe f is connected with air entry a, and second
Mouth of pipe g is connected with refrigeration restricting element 60., wherein it is desired to illustrate, the first shell and tube exchanger 70 also includes delivery port m,
Operation principle of first shell and tube exchanger 70 etc. is prior art, is just not described in detail here.
Second shell and tube exchanger 100 has the 3rd mouth of pipe h, the 4th mouth of pipe j, the 3rd mouth of pipe h and the phase of the 3rd pipeline 170
Even, the 4th mouth of pipe j is connected with the import for heating check valve 110., wherein it is desired to explanation, the second shell and tube exchanger 100 is also
Including delivery port n, operation principle of the second shell and tube exchanger 100 etc. is prior art, is just not described in detail here.
Refrigeration restricting element 60 the other end respectively and heat check valve 110 outlet, refrigeration check valve 50 outlet phase
Even, the import of refrigeration check valve 50 is connected with common line 180, that is to say, that heats check valve 110 and is changing from the second shell-tube type
, to one-way conduction on the direction of refrigeration restricting element 60, refrigeration check valve 50 is from common line for 4th mouth of pipe j of hot device 100
180 to one-way conduction on the direction of refrigeration restricting element 60；Alternatively, the restricting element 100 that freezes is electric expansion valve or heating power
Expansion valve.
The one end for heating motor-driven valve 120 is connected with the outlet for heating check valve 110, and the other end is connected with common line 180；
Alternatively, motor-driven valve 120 is heated for magnetic valve or other electric drive valves.
One end of refrigeration motor-driven valve 80 is connected with the 3rd pipeline 170, and the other end is connected with air entry a；Alternatively, freeze electricity
Dynamic valve 80 is magnetic valve or other electric drive valves.
As shown in figure 1, when continuously heating multifunctional air source heat pump unit 1000 be in refrigerating operaton when, now each
First valve port d and the second valve port c conducting and the 3rd valve port s and the 4th valve port e conductings of four-way change-over valve, freeze motor-driven valve 80 dozens
Open, heat motor-driven valve 120 and close；The high temperature and high pressure gas refrigerant now discharged from the exhaust outlet b of compressor 10 passes through four four
Logical reversal valve (20a, 20b, 20c, 20d) is had respectively entered in corresponding four finned heat exchangers (30a, 30b, 30c, 30d),
Refrigerant becomes liquid after discharging heat in four finned heat exchangers, and the liquid coolant that each finned heat exchanger flows out passes through
Corresponding check valve (40a, 40b, 40c, 40d) is entered into common line 180, and liquid coolant is after common line 180 is converged
By reaching after the check valve 50 that freezes at refrigeration restricting element 60, after the reducing pressure by regulating flow of the restricting element 60 that freezes the is entered into
In one shell and tube exchanger 70, refrigerant becomes gas after the interior suction thermal evaporation of the first shell and tube exchanger 70, and gas coolant is entered
To the air entry a of compressor 10, sucked by compressor 10, refrigerant is discharged after compressing again in compressor 10, is completed refrigeration and is followed
Ring.Now, without the second shell and tube exchanger 100, the refrigerant in the second shell and tube exchanger 100 is through the 3rd for circulating refrigerant
Pipeline 170, motor-driven valve is after 80s is connected with the air entry a of compressor 10 for refrigeration, is sucked by compressor 10, follows so as to participate in refrigeration
In ring.
Because circulating refrigerant absorbs heat evaporation in the first shell and tube exchanger 70, so as to can be in the first shell and tube exchanger 70
Delivery port m to using side provide low-temperature receiver.
As shown in Fig. 2 continuously heating multifunctional air source heat pump unit 1000 freeze at the same time, heating operation when, this
When each four-way change-over valve the first valve port d and the 4th valve port e conducting and the second valve port c and the 3rd valve port s conducting, freeze it is electronic
Valve 80 is closed, and is heated motor-driven valve 120 and is closed；The high temperature and high pressure gas refrigerant priority now discharged from the exhaust outlet b of compressor 10
The second package is entered into through four four-way change-over valves (20a, 20b, 20c, 20d), four check-valves (90a, 90b, 90c, 90d)
In formula heat exchanger 100, refrigerant discharges in the second shell and tube exchanger 100 becomes liquid after heat, and liquid coolant is by heating
Reach after check valve 110 at refrigeration restricting element 60, after the reducing pressure by regulating flow of the restricting element 60 that freezes the first package is entered into
In formula heat exchanger 70, refrigerant becomes gas after the interior suction thermal evaporation of the first shell and tube exchanger 70, and gas coolant enters into compression
The air entry a of machine 10, is sucked by compressor 10, and refrigerant is discharged after compressing again in compressor 10, is completed while freezing, heating
Circulation.Now, circulating refrigerant is without four finned heat exchangers (30a, 30b, 30c, 30d), four finned heat exchangers
Refrigerant in (30a, 30b, 30c, 30d) after corresponding four four-way change-over valves (20a, 20b, 20c, 20d) with pressure
The air entry a of contracting machine 10 is connected, and is sucked by compressor 10, so as to participate in while freezing, heating in circulation.
Because circulating refrigerant discharges heat in the second shell and tube exchanger 100, so as to can be in the second shell and tube exchanger
Thermal source is provided at 100 delivery port n to using side.
Because circulating refrigerant absorbs heat evaporation in the first shell and tube exchanger 70, so as to can be in the first shell and tube exchanger 70
Delivery port m to using side provide low-temperature receiver.
As shown in figure 3, continuously heating multifunctional air source heat pump unit 1000 is in heating operation, now each four-way
First valve port d of reversal valve and the 4th valve port e conductings and the second valve port c and the 3rd valve port s conductings, refrigeration motor-driven valve 80 is closed,
Heat motor-driven valve 120 to open；The high temperature and high pressure gas refrigerant now discharged from the exhaust outlet b of compressor 10 is successively through four four
Logical reversal valve (20a, 20b, 20c, 20d), four check-valves (90a, 90b, 90c, 90d) enter into the second shell and tube exchanger
In 100, refrigerant discharges in the second shell and tube exchanger 100 becomes liquid after heat, and liquid coolant is successively unidirectional by heating
Valve 110, heat and be drained into after motor-driven valve 120 in common line 180, the refrigerant in common line 180 is divided into four tunnels, and four road is cold
Matchmaker is heated by four corresponding four fins are entered into after restricting element (130a, 130b, 130c, 130d) reducing pressure by regulating flow respectively
Heat absorption is evaporated in formula heat exchanger (30a, 30b, 30c, 30d) to form gas, from the gas that each finned heat exchanger is discharged
Body enters into the air entry a of compressor 10 after corresponding four four-way change-over valves (20a, 20b, 20c, 20d), by compressor
10 suctions, refrigerant is discharged after compressing again in compressor 10, so as to complete to heat circulation.Now, circulating refrigerant is without
One shell and tube exchanger 70, the refrigerant in the first shell and tube exchanger 70 passes through the air entry a phases of the first mouth of pipe f and compressor 10
Even, sucked by compressor 10, heated in circulation so as to participate in.
Because circulating refrigerant discharges heat in the second shell and tube exchanger 100, so as to can be in the second shell and tube exchanger
Thermal source is provided at 100 delivery port n to using side.
As shown in figure 4, when continuously heating multifunctional air source heat pump unit 1000 is in heating operation and needs to the
When four finned heat exchanger 30d are defrosted, now the first valve port d of the first to the 3rd four-way change-over valve (20a, 20b, 20c)
Turn on the 4th valve port e and the second valve port c and the 3rd valve port s conductings, the first valve port d of the 4th four-way change-over valve 20d and second
Valve port c is turned on and the 3rd valve port s and the 4th valve port e conductings, and refrigeration motor-driven valve 80 is closed, heats motor-driven valve 120 and open；Now from
The high temperature and high pressure gas refrigerant that the exhaust outlet b of compressor 10 is discharged is divided into four tunnels, wherein three tunnels are taken up in order of priority through first to the
Three four-way change-over valves (20a, 20b, 20c), the first to the 3rd check-valves (90a, 90b, 90c) enter into the second shell and tube exchanger
In 100, refrigerant discharges in the second shell and tube exchanger 100 becomes liquid after heat, and liquid coolant is successively unidirectional by heating
Valve 110, heat and be drained into after motor-driven valve 120 in common line 180；Another road refrigerant is entered by the 4th four-way change-over valve 20d
To in the 4th finned heat exchanger 30d, another road refrigerant discharges after heat in the 4th finned heat exchanger 30d becomes liquid
Body, the liquid coolant pressure in the 4th finned heat exchanger 30d reaches system (i.e. continuously heating multifunctional air source heat pump
Unit 1000) operating pressure when, the 4th check valve 40d could be turned on, the liquid coolant ability in the 4th finned heat exchanger 30d
Discharge through the 4th check valve 40d, from another road liquid coolant of the 4th check valve 40d discharges and from the second shell and tube exchanger
100 liquid coolants discharged converge in common line 180.Liquid coolant after converging is divided into three tunnels, respectively by the 3rd system
Thermal center fluid element 130c, second heat restricting element 130b and first and heat and enter into the 3rd after restricting element 130a reducing pressure by regulating flow
Heat absorption is evaporated in finned heat exchanger 30c, the second finned heat exchanger 30b and the first finned heat exchanger 30a to be formed
Gas, from the gas that the 3rd finned heat exchanger 30c, the second finned heat exchanger 30b, the first finned heat exchanger 30a are discharged
Refrigerant is respectively by the 3rd four-way change-over valve 20c, the second four-way change-over valve 20b, the first four-way change-over valve 20a and compressor 10
Air entry a is connected, and is sucked by compressor 10, and refrigerant is discharged after compressing again in compressor 10, so as to complete to heat circulation.This
When, circulating refrigerant without the first shell and tube exchanger 70, the refrigerant in the first shell and tube exchanger 70 by the first mouth of pipe f with
The air entry a of compressor 10 is connected, and is sucked by compressor 10, heats in circulation so as to participate in.
Because the tunnels of circulating refrigerant Zhong tri- discharge heat in the second shell and tube exchanger 100, so as to can be in the second package
At the delivery port n of formula heat exchanger 100 to using side provide thermal source, due to circulating refrigerant in the fin type heat exchanges of another Lu tetra-
Heat is discharged in device 30d, so as to the frost layer on the 4th finned heat exchanger 30d surfaces is melted.During thus achieving defrosting,
Heating operation does not interrupt.
As shown in figure 5, when continuously heating multifunctional air source heat pump unit 1000 is in heating operation and needs to the
When three finned heat exchanger 30c are defrosted, now the first four-way change-over valve 20a, the second four-way change-over valve 20b, the 4th four-way
The first valve port d of reversal valve 20d and the 4th valve port e conductings and the second valve port c and the 3rd valve port s conductings, the 3rd four-way change-over valve
First valve port d and the second valve port c conducting and the 3rd valve port s and the 4th valve port e conductings of 20c, refrigeration motor-driven valve 80 is closed, heated
Motor-driven valve 120 is opened；The high temperature and high pressure gas refrigerant now discharged from the exhaust outlet b of compressor 10 is divided into four tunnels, wherein three tunnels
It is taken up in order of priority through the first, second, the 4th four-way change-over valve (20a, 20b, 20d), the first, second, the 4th check-valves (90a,
90b, 90d) enter into the second shell and tube exchanger 100, refrigerant discharges in the second shell and tube exchanger 100 to be become after heat
Liquid, liquid coolant is successively drained into common line 180 by heating check valve 110, heating after motor-driven valve 120；Another road
Refrigerant is entered into the 3rd finned heat exchanger 30c by the 3rd four-way change-over valve 20c, and another road refrigerant is finned the 3rd
Discharging in heat exchanger 30c after heat becomes liquid, and the liquid coolant pressure in the 3rd finned heat exchanger 30c reaches system
During (i.e. continuously heating multifunctional air source heat pump unit 1000) operating pressure, the 3rd check valve 40c could be turned on, the 3rd wing
Liquid coolant in plate heat interchanger 30c could be discharged through the 3rd check valve 40c, from the another of the 3rd check valve 40c discharges
Road liquid coolant and the liquid coolant discharged from the second shell and tube exchanger 100 converge in common line 180.Liquid after converging
Body refrigerant is divided into three tunnels, heats restricting element 130d, second heats restricting element 130b and first and heat section by the 4th respectively
The 4th finned heat exchanger 30d, the second finned heat exchanger 30b and first are entered into after fluid element 130a reducing pressure by regulating flow finned
Be evaporated in heat exchanger 30a heat absorption to form gas, from the 4th finned heat exchanger 30d, the second finned heat exchanger 30b,
First finned heat exchanger 30a discharge gas coolant respectively by the 4th four-way change-over valve 20d, the second four-way change-over valve 20b,
First four-way change-over valve 20a is connected with the air entry a of compressor 10, is sucked by compressor 10, and refrigerant is interior again in compressor 10
Discharge after compression, so as to complete to heat circulation.Now, circulating refrigerant is without the first shell and tube exchanger 70, the first shell-tube type
Refrigerant in heat exchanger 70 is connected by the first mouth of pipe f with the air entry a of compressor 10, is sucked by compressor 10, so as to participate in
To heat circulation in.
Because the tunnels of circulating refrigerant Zhong tri- discharge heat in the second shell and tube exchanger 100, so as to can be in the second package
Thermal source is provided at the delivery port n of formula heat exchanger 100 to using side；The fin type heat exchanges of another Lu tri- in due to circulating refrigerant
Heat is discharged in device 30c, so as to the frost layer on the 3rd finned heat exchanger 30c surfaces is melted.During thus achieving defrosting,
Heating operation does not interrupt.
As shown in fig. 6, when continuously heating multifunctional air source heat pump unit 1000 is in heating operation and needs to the
When two finned heat exchanger 30b are defrosted, now the first four-way change-over valve 20a, the 3rd four-way change-over valve 20c, the 4th four-way
The first valve port d of reversal valve 20d and the 4th valve port e conductings and the second valve port c and the 3rd valve port s conductings, the second four-way change-over valve
First valve port d and the second valve port c conducting and the 3rd valve port s and the 4th valve port e conductings of 20b, refrigeration motor-driven valve 80 is closed, heated
Motor-driven valve 120 is opened；The high temperature and high pressure gas refrigerant now discharged from the exhaust outlet b of compressor 10 is divided into four tunnels, wherein three tunnels
It is taken up in order of priority through first, the three, the 4th four-way change-over valves (20a, 20c, 20d), first, the three, the 4th check-valves (90a,
90c, 90d) enter into the second shell and tube exchanger 100, refrigerant discharges in the second shell and tube exchanger 100 to be become after heat
Liquid, liquid coolant is successively drained into common line 180 by heating check valve 110, heating after motor-driven valve 120；Another road
Refrigerant is entered into the second finned heat exchanger 30b by the second four-way change-over valve 20b, and another road refrigerant is finned second
Discharging in heat exchanger 30b after heat becomes liquid, and the liquid coolant pressure in the second finned heat exchanger 30b reaches system
During (i.e. continuously heating multifunctional air source heat pump unit 1000) operating pressure, the second check valve 40b could be turned on, the second wing
Liquid coolant in plate heat interchanger 30b could be discharged through the second check valve 40b, from the another of the second check valve 40b discharges
Road liquid coolant and the liquid coolant discharged from the second shell and tube exchanger 100 converge in common line 180.Liquid after converging
Body refrigerant is divided into three tunnels, heats restricting element 130d, the 3rd heats restricting element 130c and first and heat section by the 4th respectively
It is finned the 4th finned heat exchanger 30d, the 3rd finned heat exchanger 30c and first to be entered into after fluid element 130a reducing pressure by regulating flow
Be evaporated in heat exchanger 30a heat absorption to form gas, from the 4th finned heat exchanger 30d, the 3rd finned heat exchanger 30c,
First finned heat exchanger 30a discharge gas coolant respectively by the 4th four-way change-over valve 20d, the 3rd four-way change-over valve 20c,
First four-way change-over valve 20a is connected with the air entry a of compressor 10, is sucked by compressor 10, and refrigerant is interior again in compressor 10
Discharge after compression, so as to complete to heat circulation.Now, circulating refrigerant is without the first shell and tube exchanger 70, the first shell-tube type
Refrigerant in heat exchanger 70 is connected by the first mouth of pipe f with the air entry a of compressor 10, is sucked by compressor 10, so as to participate in
To heat circulation in.
Because the tunnels of circulating refrigerant Zhong tri- discharge heat in the second shell and tube exchanger 100, so as to can be in the second package
Thermal source is provided at the delivery port n of formula heat exchanger 100 to using side；Another road in due to circulating refrigerant is in the second fin type heat exchange
Heat is discharged in device 30b, so as to the frost layer on the second finned heat exchanger 30b surfaces is melted.During thus achieving defrosting,
Heating operation does not interrupt.
As shown in fig. 7, when continuously heating multifunctional air source heat pump unit 1000 is in heating operation and needs to the
When one finned heat exchanger 30a is defrosted, now the second four-way change-over valve 20b, the 3rd four-way change-over valve 20c, the 4th four-way
The first valve port d of reversal valve 20d and the 4th valve port e conductings and the second valve port c and the 3rd valve port s conductings, the first four-way change-over valve
First valve port d and the second valve port c conducting and the 3rd valve port s and the 4th valve port e conductings of 20a, refrigeration motor-driven valve 80 is closed, heated
Motor-driven valve 120 is opened；The high temperature and high pressure gas refrigerant now discharged from the exhaust outlet b of compressor 10 is divided into four tunnels, wherein three tunnels
Be taken up in order of priority through second, third, the 4th four-way change-over valve (20b, 20c, 20d), second, third, the 4th check-valves (90b,
90c, 90d) enter into the second shell and tube exchanger 100, refrigerant discharges in the second shell and tube exchanger 100 to be become after heat
Liquid, liquid coolant is successively drained into common line 180 by heating check valve 110, heating after motor-driven valve 120；Another road
Refrigerant is entered into the first finned heat exchanger 30a by the first four-way change-over valve 20a, and another road refrigerant is finned first
Discharging in heat exchanger 30a after heat becomes liquid, and the liquid coolant pressure in the first finned heat exchanger 30a reaches system
During (i.e. continuously heating multifunctional air source heat pump unit 1000) operating pressure, the first check valve 40a could be turned on, the first wing
Liquid coolant in plate heat interchanger 30a could be discharged through the first check valve 40a, from the another of the first check valve 40a discharges
Road liquid coolant and the liquid coolant discharged from the second shell and tube exchanger 100 converge in common line 180.Liquid after converging
Body refrigerant is divided into three tunnels, heats restricting element 130d, the 3rd heats restricting element 130c and second and heat section by the 4th respectively
It is finned the 4th finned heat exchanger 30d, the 3rd finned heat exchanger 30c and second to be entered into after fluid element 130b reducing pressure by regulating flow
Be evaporated in heat exchanger 30b heat absorption to form gas, from the 4th finned heat exchanger 30d, the 3rd finned heat exchanger 30c,
Second finned heat exchanger 30b discharge gas coolant respectively by the 4th four-way change-over valve 20d, the 3rd four-way change-over valve 20c,
Second four-way change-over valve 20b is connected with the air entry a of compressor 10, is sucked by compressor 10, and refrigerant is interior again in compressor 10
Discharge after compression, so as to complete to heat circulation.Now, circulating refrigerant is without the first shell and tube exchanger 70, the first shell-tube type
Refrigerant in heat exchanger 70 is connected by the first mouth of pipe f with the air entry a of compressor 10, is sucked by compressor 10, so as to participate in
To heat circulation in.
Because the tunnels of circulating refrigerant Zhong tri- discharge heat in the second shell and tube exchanger 100, so as to can be in the second package
Thermal source is provided at the delivery port n of formula heat exchanger 100 to using side；Another road in due to circulating refrigerant is in the first fin type heat exchange
Heat is discharged in device 30a, so as to the frost layer on the first finned heat exchanger 30a surfaces is melted.During thus achieving defrosting,
Heating operation does not interrupt.
, wherein it is desired to illustrate, four four-way change-over valves work independently, i.e., mutually do not do between four four-way change-over valves
Relate to, the description above is continuously heating multifunctional air source heat pump unit when need to defrost to a finned heat exchanger
Illustrating for 1000 refrigerant circulation, is worth being understood by, and the invention is not restricted to this, in continuously heating multifunctional air source
When source pump 1000 is in heating operation, two or three finned heat exchangers can be defrosted simultaneously, it is also possible to four
Individual finned heat exchanger carries out circulating defrosting in turn.The finned heat exchanger for wherein being defrosted can in any combination carrying out elder generation
The defrosting process of order afterwards.
Continuously heating multifunctional air source heat pump unit 1000 according to embodiments of the present invention, by being provided with multiple fins
Formula heat exchanger, multiple cross valves, the first shell and tube exchanger 70 and the second shell and tube exchanger 100, so as to not only can not
Interruption provides low-temperature receiver and thermal source or domestic hot-water to using side simultaneously, by low-temperature receiver and thermal source all of improve uninterrupted
The efficiency of multifunctional air source heat pump unit 1000 is heated, while the utilization of single low-temperature receiver or thermal source can also be carried out, and
Can be by the pattern that the pattern seamless switching for providing low-temperature receiver and thermal source simultaneously is the single low-temperature receiver of offer or thermal source.And according to the present invention
When the continuously heating multifunctional air source heat pump unit 1000 of embodiment can defrost in the winter time to finned heat exchanger not
Interruption provides thermal source, it is to avoid traditional Temperature cycling drastically decline in caused use side because of finned heat exchanger defrosting and bring
Comfortableness reduce, improve the comfort of user, and heating operation is continual and steady during defrosting, and does not cause system pressure
Power changes, therefore compressor 10 do not impacted, and extends the service life of compressor 10.
In some specific embodiments of the present invention, as shown in Fig. 1-Fig. 7, the first valve port d of four four-way change-over valves leads to
Cross the first pipeline 150 to connect, the exhaust outlet of compressor 10 is connected with the first pipeline 150.That is, the first four-way change-over valve
The first valve port d of 20a, the first valve port d of the second four-way change-over valve 20b, the first valve port d of the 3rd four-way change-over valve 20c and
The first valve port d of four four-way change-over valve 20d is connected by the first pipeline 150.So that continuously heating multifunctional air source
The simple structure of source pump 1000.
Some embodiments of the invention, as shown in Fig. 1-Fig. 7, the 3rd valve port s of four four-way change-over valves is by the
Two pipelines 160 are connected, and the air entry of compressor 10 is connected with second pipe 160.That is, the first four-way change-over valve 20a
3rd valve port s, the 3rd valve port s, the 3rd valve port s of the 3rd four-way change-over valve 20c of the second four-way change-over valve 20b and the 4th four-way
The 3rd valve port s of reversal valve 20d is connected by second pipe 160.So that continuously heating multifunctional air source heat pump machine
The simple structure of group 1000.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example are described
Structure, material or feature are contained at least one embodiment of the present invention or example.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or spy
Point can in an appropriate manner be combined in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
These embodiments can be carried out with various changes, modification, replacement and modification in the case of the principle and objective that depart from the present invention, this
The scope of invention is limited by claim and its equivalent.
Claims (9)
1. a kind of continuously heating multifunctional air source heat pump unit, it is characterised in that include：
Compressor, the compressor has air entry and exhaust outlet；
Multiple finned heat exchangers and multiple four-way change-over valves, the plurality of four-way change-over valve and the plurality of finned heat exchanger
Correspond respectively, each described four-way change-over valve includes first to fourth valve port, described the of each four-way change-over valve
One valve port is connected with the exhaust outlet, second valve port and the one of the finned heat exchanger of each four-way change-over valve
End is connected, and the 3rd valve port of each four-way change-over valve is connected with the air entry, each four-way change-over valve
4th valve port is respectively connected with a check-valves, and the outlet of each check-valves passes through the 3rd pipeline communication；Described in each
The other end of finned heat exchanger is respectively connected with and a check valve and heats restricting element, the outlet of each check valve and every
Restricting element is heated described in individual to be connected to each other by common line；
First shell and tube exchanger, first shell and tube exchanger has the first to the second mouth of pipe, first mouth of pipe and institute
State air entry be connected, second mouth of pipe with refrigeration restricting element be connected, it is described freeze restricting element the other end respectively and make
The outlet of hot check valve, the outlet of refrigeration check valve are connected, and the import of the refrigeration check valve is connected with the common line；
Second shell and tube exchanger, second shell and tube exchanger has the 3rd to the 4th mouth of pipe, the 3rd mouth of pipe and institute
State the 3rd pipeline to be connected, the 4th mouth of pipe is connected with the import for heating check valve；
Motor-driven valve is heated, described one end for heating motor-driven valve is connected with the outlet for heating check valve, described to heat motor-driven valve
The other end be connected with the common line；
Refrigeration motor-driven valve, one end of the refrigeration motor-driven valve is connected with the 3rd pipeline, the other end of the refrigeration motor-driven valve
It is connected with the air entry.
2. continuously heating multifunctional air source heat pump unit according to claim 1, it is characterised in that the plurality of four
First valve port of logical reversal valve is connected by the first pipeline communication, the exhaust outlet with first pipeline.
3. continuously heating multifunctional air source heat pump unit according to claim 1, it is characterised in that the plurality of four
3rd valve port of logical reversal valve is connected by second pipe, and the air entry is connected with the second pipe.
4. continuously heating multifunctional air source heat pump unit according to claim 1, it is characterised in that described to heat electricity
Dynamic valve is magnetic valve or other electric drive valves.
5. continuously heating multifunctional air source heat pump unit according to claim 1, it is characterised in that the refrigeration electricity
Dynamic valve is magnetic valve or other electric drive valves.
6. continuously heating multifunctional air source heat pump unit according to claim 1, it is characterised in that the refrigeration section
Fluid element is electric expansion valve or heating power expansion valve.
7. continuously heating multifunctional air source heat pump unit according to claim 1, it is characterised in that each described system
Thermal center fluid element is electric expansion valve or heating power expansion valve.
8. continuously heating multifunctional air source heat pump unit according to claim 1, it is characterised in that the compressor
For refrigeration compressor.
9. continuously heating multifunctional air source heat pump unit according to claim 8, it is characterised in that the compressor
For helical-lobe compressor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710139704.0A CN106642793A (en) | 2017-03-08 | 2017-03-08 | Multifunctional air source heat pump unit capable of uninterrupted heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710139704.0A CN106642793A (en) | 2017-03-08 | 2017-03-08 | Multifunctional air source heat pump unit capable of uninterrupted heating |
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| Publication Number | Publication Date |
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| CN106642793A true CN106642793A (en) | 2017-05-10 |
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ID=58847371
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710139704.0A Pending CN106642793A (en) | 2017-03-08 | 2017-03-08 | Multifunctional air source heat pump unit capable of uninterrupted heating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592437A (en) * | 2018-02-02 | 2018-09-28 | 北京中科华誉热泵设备制造有限公司 | A kind of air source heat pump that energy storage defrosts step by step |
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| CN200955881Y (en) * | 2006-01-05 | 2007-10-03 | 南京天加空调设备有限公司 | Continuous defrosting and heating air source heat pump |
| WO2012139429A1 (en) * | 2011-04-12 | 2012-10-18 | 海信科龙电器股份有限公司 | Defrosting and frequency variable heat pump/air conditioning apparatus |
| CN104266407A (en) * | 2014-10-21 | 2015-01-07 | 王仕相 | Air source heat pump unit |
| CN104713264A (en) * | 2013-12-11 | 2015-06-17 | 重庆美的通用制冷设备有限公司 | Air source heat pump set |
| CN106225296A (en) * | 2016-09-05 | 2016-12-14 | 南京理工大学 | A kind of commutation defrosting net for air-source heat pump units and commutation Defrost method |
| CN206861911U (en) * | 2017-03-08 | 2018-01-09 | 王维洲 | Continuously heating multifunctional air source heat pump unit |
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| CN200955881Y (en) * | 2006-01-05 | 2007-10-03 | 南京天加空调设备有限公司 | Continuous defrosting and heating air source heat pump |
| WO2012139429A1 (en) * | 2011-04-12 | 2012-10-18 | 海信科龙电器股份有限公司 | Defrosting and frequency variable heat pump/air conditioning apparatus |
| CN104713264A (en) * | 2013-12-11 | 2015-06-17 | 重庆美的通用制冷设备有限公司 | Air source heat pump set |
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| CN108592437A (en) * | 2018-02-02 | 2018-09-28 | 北京中科华誉热泵设备制造有限公司 | A kind of air source heat pump that energy storage defrosts step by step |
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Application publication date: 20170510 |
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