CN105783326B - Variable-flow either simplex matter common heat exchanger overlapping heat pump system - Google Patents
Variable-flow either simplex matter common heat exchanger overlapping heat pump system Download PDFInfo
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- CN105783326B CN105783326B CN201610288319.8A CN201610288319A CN105783326B CN 105783326 B CN105783326 B CN 105783326B CN 201610288319 A CN201610288319 A CN 201610288319A CN 105783326 B CN105783326 B CN 105783326B
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- Prior art keywords
- interface
- valve
- solenoid valve
- compressor
- way reversing
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- 238000007599 discharging Methods 0.000 claims abstract description 3
- 238000005057 refrigeration Methods 0.000 claims description 19
- 230000005494 condensation Effects 0.000 claims description 11
- 238000009833 condensation Methods 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
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
- F25B31/00—Compressor arrangements
- F25B31/002—Lubrication
- F25B31/004—Lubrication oil recirculating 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
- 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
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion 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
- F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
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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
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/37—Capillary tubes
-
- 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
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
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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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/19—Pumping down refrigerant from one part of the cycle to another part of the cycle, e.g. when the cycle is changed from cooling to heating, or before a defrost cycle is started
-
- 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
Abstract
The invention discloses a kind of variable-flow either simplex matter common heat exchanger overlapping heat pump systems.Every group of compressor set of the present invention includes compressor, four-way reversing valve, first solenoid valve, second solenoid valve, third solenoid valve, 4th solenoid valve, compressor air-discharging end connects four-way reversing valve first interface, compressor air suction end connects four-way reversing valve third interface, first solenoid valve one end is connect after being connected in parallel with second solenoid valve one end with four-way reversing valve second interface, pass through First Heat Exchanger after the first solenoid valve other end is in parallel, first throttle valve is connected with condenser/evaporator second interface, it is connect after the second solenoid valve other end is in parallel with condenser/evaporator third interface, third solenoid valve is connect after being connected in parallel with the 4th solenoid valve one end with the 4th interface of four-way reversing valve, it is connect after the third solenoid valve other end is in parallel with condenser/evaporator first interface, pass through the second heat exchanger after the 4th solenoid valve other end is in parallel, second throttle and cold Solidifying the 4th interface of evaporator connection.Overlapping heat pump system of the invention is made of either simplex matter, and it is simple not have to devices, the system structures such as expansion vessel.
Description
Technical field
The present invention relates to a kind of heat pump units, more specifically, being related to a kind of overlapping heat pump circulating system of multi-machine heads, use
To improve overlapping heat pump system efficiency, can be adjusted simultaneously for the working medium flow of heat pump system.
Background technique
Single stage compress heat pump system is not suitable for compression ratio (exhaust due to being limited by compressor suction and discharge compression ratio
The ratio between pressure and pressure of inspiration(Pi)) it is greater than 12 heat pump system.In the prior art, twin-stage is generallyd use when compression ratio is greater than 12
Compression heat pump system.Two-stage compression heat pump unit can be driven by a motor, can also be realized by multi-machine heads combo.But this
Two ways high-low pressure intercommunication, the problem of oil return of compressor are not easily solved.
When needing to obtain heat from lower temperature or needing to convey heat to higher temperature, overlapping heat pump system is also very
Good settling mode.Heat is absorbed heat by low-temperature level heat pump system working medium from low-temperature heat source, and connection low-temperature level heat pump system is passed to
The condenser/evaporator of system and high-temperature level heat pump system, then transferred heat in hot environment by high-temperature level heat pump system working medium.
This traditional overlapping heat pump system is made of two kinds of working medium, and high-temperature level heat pump system uses high temperature refrigerant, low-temperature level heat pump system
System uses cryogenic fluid.But since cryogenic fluid is in a supercritical state at normal temperature, expansion vessel usually is set in low-temperature level, is
System is complicated and is difficult to realize change working medium flow control.
Summary of the invention
The present invention is in order to overcome the defects of the prior art, to provide a kind of overlapping heat pump cycle system of multi-machine heads either simplex matter
System, to improve overlapping heat pump system efficiency, can be adjusted simultaneously for the working medium flow of heat pump system.
The present invention is achieved through the following technical solutions:
A kind of variable-flow either simplex matter common heat exchanger overlapping heat pump system, the compressor set being connected in parallel including multiple groups,
One heat exchanger, condenser/evaporator, the second heat exchanger, first throttle valve and second throttle, every group of compressor set include compressor,
Four-way reversing valve, the first solenoid valve, second solenoid valve, third solenoid valve, the 4th solenoid valve, compressor air-discharging end connection four-way change
To valve first interface, compressor air suction end connects four-way reversing valve third interface, first solenoid valve one end and second solenoid valve one
End connect after being connected in parallel with four-way reversing valve second interface, passes through First Heat Exchanger, the after the first solenoid valve other end parallel connection
One throttle valve is connected with condenser/evaporator second interface, is connected after the second solenoid valve other end is in parallel with condenser/evaporator third interface
It connects, third solenoid valve is connect after being connected in parallel with the 4th solenoid valve one end with the 4th interface of four-way reversing valve, and third solenoid valve is another
It is connect after one end is in parallel with condenser/evaporator first interface, passes through the second heat exchanger, second after the 4th solenoid valve other end is in parallel
Throttle valve is connected with the 4th interface of condenser/evaporator.
Compressor can be used as the high-temperature level and low-temperature level compressor of refrigeration cycle, also can be used as heat pump cycle high-temperature level and
Low-temperature level compressor.When high-temperature level compressor of the compressor as refrigeration system, four-way reversing valve first interface connects with second
Mouth communicates, and third interface is communicated with the 4th interface, and the first solenoid valve and third solenoid valve are opened, second solenoid valve and the 4th electromagnetism
Valve is closed, through four-way reversing valve first interface, four-way reversing valve second interface, the first electromagnetism after working medium is compressed by the compressor at this time
Valve is condensed into First Heat Exchanger, is evaporated in condenser/evaporator after first throttle valve throttles, and the condensation heat of low-temperature level is absorbed,
It is returned in compressor using third solenoid valve, the 4th interface of four-way reversing valve, four-way reversing valve third interface；When compressor is made
For refrigeration system low-temperature level compressor when, four-way reversing valve first interface is communicated with second interface, and third interface connects with the 4th
Mouth communicates, and second solenoid valve and the 4th solenoid valve are opened, and the first solenoid valve and third solenoid valve are closed, and working medium is by compressor at this time
It is condensed through four-way reversing valve first interface, four-way reversing valve second interface, second solenoid valve into condenser/evaporator after compression, to
High-temperature level heat dissipation, condensed working medium are evaporated in the second heat exchanger after second throttle throttles, and generate refrigeration phenomenon, then pass through
The 4th solenoid valve, the 4th interface of four-way reversing valve, four-way reversing valve third interface is crossed to return in compressor；When compressor is as warm
When the high-temperature level compressor of pumping system, four-way reversing valve first interface is communicated with the 4th interface, second interface and third interface phase
Logical, second solenoid valve and the 4th solenoid valve are opened, and the first solenoid valve and third solenoid valve are closed, and working medium is compressed by the compressor at this time
It is condensed by four-way reversing valve first interface, the 4th interface of four-way reversing valve, the 4th solenoid valve into the second heat exchanger, generates system
Thermal phenomenon evaporates in condenser/evaporator after second throttle throttles, and absorbs the condensation heat of low-temperature level, using the second electromagnetism
Valve, four-way reversing valve second interface, four-way reversing valve third interface return in compressor；When compressor is as the low of heat pump system
When warm grade compressor, four-way reversing valve first interface is communicated with the 4th interface, and second interface is communicated with third interface, the first electromagnetism
Valve and third solenoid valve are opened, and second solenoid valve and the 4th solenoid valve are closed, and are changed after working medium is compressed by the compressor at this time through four-way
It condenses to valve first interface, the 4th interface of four-way reversing valve, third solenoid valve into condenser/evaporator, radiates to high-temperature level, it is cold
Working medium after solidifying is evaporated in First Heat Exchanger after first throttle valve throttles, and absorbs heat of low-temperature heat source, using the first electricity
Magnet valve, four-way reversing valve second interface, four-way reversing valve third interface return in compressor.
The compressor be screw compressor, rotor compressor, helical-lobe compressor, in piston compressor or other pattern pressures
Contracting machine it is any, variable-flow mode is adjusted by AC frequency conversion or DC frequency-changing, can also be used working medium unloading and load
Mode realizes that the flow of working medium is adjusted.
The First Heat Exchanger and the second heat exchanger are air-cooled, water-cooled or other pattern heat exchangers.
The condenser/evaporator is plate heat exchanger, double pipe heat exchanger or other pattern heat exchangers.
The first throttle valve and second throttle are electric expansion valve, heating power expansion valve, capillary or orifice throttle dress
It sets.
The solenoid valve can be replaced by hand stop valve, ball valve etc..
The four-way reversing valve can also be replaced by multiple solenoid valves.
Compared with prior art, the beneficial effects of the present invention are:
1, system is flexible: the compressor in overlapping heat pump system of the invention can all pass through suction end and exhaust end solenoid valve
The open or close high-temperature level as refrigeration system, the high-temperature level of low-temperature level and heat pump system, low-temperature level use, realize high temperature
The mutual conversion of grade compressor and low-temperature level compressor, is convenient for energy adjustment between grade.
2, system is simple: overlapping heat pump system of the invention is made of either simplex matter, does not have to the devices such as expansion vessel, system knot
Structure is simple.
3, high-efficient: due to realizing control, high-temperature level heat pump system and low-temperature level heat pump system using change working medium flow mode
Working medium flow proportion unite rationally, system effectiveness is high.
4, solve compressor problem of oil return: high-temperature level heat pump system of the present invention is isolated with low-temperature level heat pump system, is solved
The oil return unevenness problem occurred when using two-stage compression cycle system.
Detailed description of the invention
Fig. 1 show variable-flow either simplex matter of the present invention and shares First Heat Exchanger, the signal of the second heat exchanger overlapping heat pump system
Figure；
Fig. 2 show four interface diagrams of four-way reversing valve in the present invention,
Fig. 3 show four interface diagrams of condenser/evaporator in the present invention.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to the detailed description of the invention.
Embodiment 1
Fig. 1 is that variable-flow either simplex matter of the invention shares First Heat Exchanger, the second heat exchanger overlapping heat pump system schematic diagram,
The compressor set that is connected in parallel including multiple groups, First Heat Exchanger 4, condenser/evaporator 6, the second heat exchanger 7, first throttle valve 5-1
With second throttle 5-2, every group of compressor set includes compressor 1, four-way reversing valve 2, the first solenoid valve 3-1, second solenoid valve
3-2, third solenoid valve 3-3, the 4th solenoid valve 3-4,1 exhaust end of compressor connect the four-way reversing valve first interface 2-
1, the compressor air suction end connects the four-way reversing valve third interface 2-3, the first solenoid valve 3-1 and second electricity
The one end magnet valve 3-2 is connect after being connected in parallel with the four-way reversing valve second interface 2-2, the first solenoid valve 3-1 other end
It is successively connect with the First Heat Exchanger 4, the first throttle valve 5-1 and the condenser/evaporator second interface 6-2, described
The two solenoid valve 3-2 other ends are successively connect with the condenser/evaporator third interface 6-3, the third solenoid valve 3-3 with it is described
4th one end solenoid valve 3-4 is connect after being connected in parallel with the 4th interface 6-4 of four-way reversing valve, the third solenoid valve 3-3
The other end is connect with the condenser/evaporator first interface 6-1, and the 4th solenoid valve 3-4 other end is successively changed with described second
Hot device 7, the second throttle 5-2 are connected with the 4th interface 6-4 of condenser/evaporator.
Fig. 2 show four interfaces of the four-way reversing valve 2, in which: four-way reversing valve first interface 2-1, four-way change
To valve second interface 2-2, four-way reversing valve third interface 2-3, the 4th interface 2-4 of four-way reversing valve.When the four-way reversing valve
When first interface 2-1 is communicated with the four-way reversing valve second interface 2-2, the four-way reversing valve third interface 2-3 with it is described
The 4th interface 2-4 of four-way reversing valve is communicated；As the four-way reversing valve first interface 2-1 and the 4th interface of four-way reversing valve
When 2-4 is communicated, the four-way reversing valve second interface 2-2 is communicated with the four-way reversing valve third interface 2-3.
Fig. 3 show four interfaces of the condenser/evaporator 6, in which: condenser/evaporator first interface 6-1, condensation are steamed
Send out device second interface 6-2, condenser/evaporator third interface 6-3, the 4th interface 6-4 of condenser/evaporator.The condenser/evaporator
One interface 6-1 is communicated with the condenser/evaporator second interface 6-2, the condenser/evaporator third interface 6-3 and the condensation
The 4th interface 6-4 of evaporator is communicated.
The matter of variable-flow either simplex shown in Fig. 1 shares First Heat Exchanger, unsteady flow may be implemented in the second heat exchanger overlapping heat pump system
Either simplex matter cascade refrigeration system circulation is measured, variable-flow either simplex matter overlapping heat pump system circulation also may be implemented.Any institute
Stating compressor 1 can not only be used for refrigeration system circulation (or heat pump system circulation) high-temperature level compressor use, also can be used as refrigeration system
System circulation (or heat pump system circulation) low-temperature level compressor uses.Concrete condition is as follows:
1, the compressor 1 is used as refrigeration system cyclic high-temperature grade compressor: the First Heat Exchanger 4 is condensation
Device, the four-way reversing valve first interface 2-1 of each group compressor set are communicated with the four-way reversing valve second interface 2-2, institute
It states four-way reversing valve third interface 2-3 to communicate with the 4th interface 2-4 of four-way reversing valve, the first solenoid valve 3-1 and institute
Third solenoid valve 3-3 opening is stated, the second solenoid valve 3-2 and the 4th solenoid valve 3-4 are closed.Working medium is by the compressor
Through the four-way reversing valve first interface 2-1, the four-way reversing valve second interface 2-2 and first solenoid valve after 1 compression
3-1, which enters in the First Heat Exchanger 4, to be condensed, to function of environment heat emission, through it is described after first throttle valve 5-1 throttling from the condensation
Evaporator second interface 6-2, which enters in the condenser/evaporator 6, to be evaporated, from the condensation after absorption low-temperature level refrigeration system heat
Evaporator first interface 6-1 outflow, through the third solenoid valve 3-3, the 4th interface 2-4 of the four-way reversing valve and the four-way
Reversal valve third interface 2-3 is returned in the compressor 1.
2, the compressor 1 is used as refrigeration system circulation low-temperature level compressor: second heat exchanger 7 is evaporation
Device, the four-way reversing valve first interface 2-1 of each group compressor set are communicated with the four-way reversing valve second interface 2-2, institute
It states four-way reversing valve third interface 2-3 to communicate with the 4th interface 2-4 of four-way reversing valve, the second solenoid valve 3-2 and institute
The 4th solenoid valve 3-4 opening is stated, the first solenoid valve 3-1 and the third solenoid valve 3-3 are closed.Working medium is by the compressor
Through the four-way reversing valve first interface 2-1, the four-way reversing valve second interface 2-2 and the second solenoid valve after 1 compression
3-2 enters in the condenser/evaporator 6 from the condenser/evaporator third interface 6-3 to be condensed, to high-temperature level refrigeration system heat release
It is flowed out afterwards from the 4th interface 6-4 of condenser/evaporator, enters second heat exchanger after second throttle 5-2 throttling
It is evaporated in 7, refrigeration phenomenon is generated, through the 4th solenoid valve 3-4, the 4th interface 2-4 of the four-way reversing valve and the four-way
Reversal valve third interface 2-3 is returned in the compressor 1.
3, the compressor 1 is used as heat pump system cyclic high-temperature grade compressor: second heat exchanger 7 is condensation
Device, the four-way reversing valve first interface 2-1 of each group compressor set are communicated with the 4th interface 2-4 of four-way reversing valve, institute
It states four-way reversing valve second interface 2-2 to communicate with the four-way reversing valve third interface 2-3, the second solenoid valve 3-2 and institute
The 4th solenoid valve 3-4 opening is stated, the first solenoid valve 3-1 and the third solenoid valve 3-3 are closed.Working medium is by the compressor
Through the four-way reversing valve first interface 2-1, the 4th interface 2-4 of the four-way reversing valve and the 4th solenoid valve after 1 compression
3-4, which enters in second heat exchanger 7, condenses heat release, generates heating phenomenon, from described after second throttle 5-2 throttling
The 4th interface 6-4 of condenser/evaporator, which enters in the condenser/evaporator 6, to be evaporated, from described after absorption low-temperature level heat pump system heat
Condenser/evaporator third interface 6-3 outflow, through the second solenoid valve 3-2, the four-way reversing valve second interface 2-2 and described
Four-way reversing valve third interface 2-3 is returned in the compressor 1.
4, the compressor 1 is used as heat pump system circulation low-temperature level compressor: the First Heat Exchanger 4 is evaporation
Device, the four-way reversing valve first interface 2-1 of each group compressor set are communicated with the 4th interface 2-4 of four-way reversing valve, institute
It states four-way reversing valve second interface 2-2 to communicate with the four-way reversing valve third interface 2-3, the first solenoid valve 3-1 and institute
Third solenoid valve 3-3 opening is stated, the second solenoid valve 3-2 and the 4th solenoid valve 3-4 are closed.Working medium is by the compressor
Through the four-way reversing valve first interface 2-1, the 4th interface 2-4 of the four-way reversing valve and the third solenoid valve after 1 compression
3-3 enters in the condenser/evaporator 6 from the condenser/evaporator first interface 6-1 to be condensed, and is radiated to high-temperature level heat pump system
It is flowed out afterwards from the condenser/evaporator second interface 6-2, enters the First Heat Exchanger after first throttle valve 5-1 throttling
It is evaporated in 4, absorbs heat of low-temperature heat source, through the first solenoid valve 3-1, the four-way reversing valve second interface 2-2 and described
Four-way reversing valve third interface 2-3 is returned in the compressor 1.
Shared First Heat Exchanger, the second heat exchanger overlapping heat pump system are only listed in the embodiment of the present invention in practical application
In can be using sharing First Heat Exchanger, second heat exchanger overlapping heat pump system in parallel and First Heat Exchanger in parallel, share second
Heat exchanger overlapping heat pump system.
Compressor in variable-flow either simplex matter overlapping heat pump system of the invention can be realized high by start-stop or motor frequency conversion
The changes in flow rate of warm grade refrigeration (or heat pump) system and low-temperature level refrigeration (or heat pump) system.
For variable-flow either simplex matter overlapping heat pump system of the invention in specific use, compressor can be partly or entirely using fixed
Frequency compressor, to reduce investment.
The above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of variable-flow either simplex matter common heat exchanger overlapping heat pump system, which is characterized in that the pressure being connected in parallel including multiple groups
Contracting unit, First Heat Exchanger, condenser/evaporator, the second heat exchanger, first throttle valve and second throttle, every group of compressor set packet
Include compressor, four-way reversing valve, the first solenoid valve, second solenoid valve, third solenoid valve, the 4th solenoid valve, compressor air-discharging end
Four-way reversing valve first interface is connected, compressor air suction end connects four-way reversing valve third interface, first solenoid valve one end
It connect after being connected in parallel with second solenoid valve one end with four-way reversing valve second interface, passes through after the first solenoid valve other end is in parallel
First Heat Exchanger, first throttle valve are connected with condenser/evaporator second interface, are steamed after the second solenoid valve other end is in parallel with condensation
The connection of device third interface is sent out, is connected after third solenoid valve and the 4th solenoid valve one end are connected in parallel with the 4th interface of four-way reversing valve
It connects, is connect after the third solenoid valve other end is in parallel with condenser/evaporator first interface, passed through after the 4th solenoid valve other end is in parallel
Second heat exchanger, second throttle are connected with the 4th interface of condenser/evaporator,
Compressor can be used as the high-temperature level and low-temperature level compressor of refrigeration cycle, also can be used as the high-temperature level and low temperature of heat pump cycle
Grade compressor；
When high-temperature level compressor of the compressor as refrigeration system, four-way reversing valve first interface is communicated with second interface, and
Three interfaces are communicated with the 4th interface, and the first solenoid valve and third solenoid valve are opened, and second solenoid valve and the 4th solenoid valve are closed, this
When working medium be compressed by the compressor after through four-way reversing valve first interface, four-way reversing valve second interface, the first solenoid valve to first
It condenses in heat exchanger, is evaporated in condenser/evaporator after first throttle valve throttles, absorb the condensation heat of low-temperature level, using
Three solenoid valves, the 4th interface of four-way reversing valve, four-way reversing valve third interface return in compressor；When compressor is as refrigeration system
When the low-temperature level compressor of system, four-way reversing valve first interface is communicated with second interface, and third interface is communicated with the 4th interface, the
Two solenoid valves and the 4th solenoid valve are opened, and the first solenoid valve and third solenoid valve are closed, and are passed through after working medium is compressed by the compressor at this time
Four-way reversing valve first interface, four-way reversing valve second interface, second solenoid valve are condensed into condenser/evaporator, are dissipated to high-temperature level
Heat, condensed working medium are evaporated in the second heat exchanger after second throttle throttles, and generate refrigeration phenomenon, using the 4th electricity
Magnet valve, the 4th interface of four-way reversing valve, four-way reversing valve third interface return in compressor；When compressor is as heat pump system
When high-temperature level compressor, four-way reversing valve first interface is communicated with the 4th interface, and second interface is communicated with third interface, the second electricity
Magnet valve and the 4th solenoid valve are opened, and the first solenoid valve and third solenoid valve are closed, through four-way after working medium is compressed by the compressor at this time
Reversal valve first interface, the 4th interface of four-way reversing valve, the 4th solenoid valve are condensed into the second heat exchanger, generate heating phenomenon,
It is evaporated in condenser/evaporator after second throttle throttles, absorbs the condensation heat of low-temperature level, using second solenoid valve, four-way
Reversal valve second interface, four-way reversing valve third interface return in compressor；When low-temperature level pressure of the compressor as heat pump system
When contracting machine, four-way reversing valve first interface is communicated with the 4th interface, and second interface is communicated with third interface, the first solenoid valve and
Three solenoid valves are opened, and second solenoid valve and the 4th solenoid valve are closed, through four-way reversing valve the after working medium is compressed by the compressor at this time
One interface, the 4th interface of four-way reversing valve, third solenoid valve are condensed into condenser/evaporator, are radiated to high-temperature level, condensed
Working medium is evaporated in First Heat Exchanger after first throttle valve throttles, and heat of low-temperature heat source is absorbed, using the first solenoid valve, four
Logical reversal valve second interface, four-way reversing valve third interface return in compressor.
2. variable-flow either simplex matter common heat exchanger overlapping heat pump system according to claim 1, which is characterized in that the pressure
Contracting machine is screw compressor, rotor compressor, helical-lobe compressor or piston compressor.
3. variable-flow either simplex matter common heat exchanger overlapping heat pump system according to claim 1, which is characterized in that described
One heat exchanger and the second heat exchanger are air-cooled or water-cooled.
4. variable-flow either simplex matter common heat exchanger overlapping heat pump system according to claim 1, which is characterized in that described cold
Solidifying evaporator is plate heat exchanger or double pipe heat exchanger.
5. variable-flow either simplex matter common heat exchanger overlapping heat pump system according to claim 1, which is characterized in that described
One throttle valve and second throttle are electric expansion valve, heating power expansion valve, capillary or throttle orifice plate apparatus.
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| CN108266917B (en) * | 2018-03-21 | 2023-11-07 | 天津商业大学 | Variable flow multicycle heat pump system |
| CN108332443B (en) * | 2018-03-21 | 2024-01-19 | 天津商业大学 | Refrigerating system capable of realizing variable flow single-stage compression cycle and cascade cycle |
| CN108318273B (en) * | 2018-04-24 | 2024-01-16 | 天津商业大学 | Multicycle heat pump experiment table |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818958A (en) * | 2010-02-11 | 2010-09-01 | 重庆远雄制冷成套设备有限公司 | Three-group plate ice machine hot-gas deicing refrigeration system |
| CN101929753A (en) * | 2010-02-09 | 2010-12-29 | 重庆远雄制冷成套设备有限公司 | Dual working condition refrigeration system for making ice and cold water |
| CN102022851A (en) * | 2010-12-22 | 2011-04-20 | 天津商业大学 | Two-stage compression refrigerating system |
| CN102032705A (en) * | 2010-12-22 | 2011-04-27 | 天津商业大学 | Two-stage compression heat pump system |
| CN102901261A (en) * | 2012-11-12 | 2013-01-30 | 天津商业大学 | Two-stage multi-unit single-throttling incomplete-intercooling refrigeration system |
| CN102901262A (en) * | 2012-11-12 | 2013-01-30 | 天津商业大学 | Two-stage multiplex secondary throttling and intermediate incomplete cooling type refrigerating system |
| CN103335437A (en) * | 2013-07-04 | 2013-10-02 | 天津商业大学 | One-stage throttling incomplete-inter-cooling double-working-condition refrigerating system |
| EP2772707A2 (en) * | 2013-02-28 | 2014-09-03 | Whirlpool Corporation | Multiple evaporator control using pwm valve/compressor |
| CN205641661U (en) * | 2016-05-03 | 2016-10-12 | 天津商业大学 | Unsteady flow volume simplex matter sharing heat exchanger overlapping heat pump system |
-
2016
- 2016-05-03 CN CN201610288319.8A patent/CN105783326B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929753A (en) * | 2010-02-09 | 2010-12-29 | 重庆远雄制冷成套设备有限公司 | Dual working condition refrigeration system for making ice and cold water |
| CN101818958A (en) * | 2010-02-11 | 2010-09-01 | 重庆远雄制冷成套设备有限公司 | Three-group plate ice machine hot-gas deicing refrigeration system |
| CN102022851A (en) * | 2010-12-22 | 2011-04-20 | 天津商业大学 | Two-stage compression refrigerating system |
| CN102032705A (en) * | 2010-12-22 | 2011-04-27 | 天津商业大学 | Two-stage compression heat pump system |
| CN102901261A (en) * | 2012-11-12 | 2013-01-30 | 天津商业大学 | Two-stage multi-unit single-throttling incomplete-intercooling refrigeration system |
| CN102901262A (en) * | 2012-11-12 | 2013-01-30 | 天津商业大学 | Two-stage multiplex secondary throttling and intermediate incomplete cooling type refrigerating system |
| EP2772707A2 (en) * | 2013-02-28 | 2014-09-03 | Whirlpool Corporation | Multiple evaporator control using pwm valve/compressor |
| CN103335437A (en) * | 2013-07-04 | 2013-10-02 | 天津商业大学 | One-stage throttling incomplete-inter-cooling double-working-condition refrigerating system |
| CN205641661U (en) * | 2016-05-03 | 2016-10-12 | 天津商业大学 | Unsteady flow volume simplex matter sharing heat exchanger overlapping heat pump system |
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