CN109631381A - A kind of vortex type air source heat pump system of the simultaneous refrigeration of heating - Google Patents
A kind of vortex type air source heat pump system of the simultaneous refrigeration of heating Download PDFInfo
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- CN109631381A CN109631381A CN201811374086.9A CN201811374086A CN109631381A CN 109631381 A CN109631381 A CN 109631381A CN 201811374086 A CN201811374086 A CN 201811374086A CN 109631381 A CN109631381 A CN 109631381A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 54
- 238000005057 refrigeration Methods 0.000 title claims abstract description 35
- 239000003507 refrigerant Substances 0.000 claims abstract description 80
- 239000007788 liquid Substances 0.000 claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000012530 fluid Substances 0.000 claims abstract description 16
- 238000010257 thawing Methods 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 238000001704 evaporation Methods 0.000 claims description 16
- 230000008020 evaporation Effects 0.000 claims description 13
- 238000004781 supercooling Methods 0.000 claims description 13
- 230000008676 import Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 2
- 238000007906 compression Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 36
- 238000001816 cooling Methods 0.000 description 9
- 230000001502 supplementing effect Effects 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 239000003546 flue gas Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 230000002631 hypothermal effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000010181 polygamy Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
Abstract
The invention belongs to vapor-compression cycle air source art of heat pumps, the vortex type air source heat pump system of a kind of heating and refrigeration that it is provided increases the part such as break compressor B, low tension switch B, gas-liquid separator B, piping filter, check valve G, solenoid valve D, device for drying and filtering B, electric expansion valve, economizer B, fluid reservoir B, solenoid valve E by four-way reversing valve B, high-voltage switch gear B, water side shell and tube exchanger B, exhaust temperature sensor B, solenoid valve C, blower B, fin temperature sensor B, air side fins heat exchanger B, check valve F, jet and forms.With the present invention, 1, system by realizing that refrigeration, heating and tonifying Qi share the conception of the same electric expansion valve, complexity and manufacturing cost reduce, and full working scope refrigerating capacity and COP promote 5% or more.2, refrigerant cools down without electric expansion valve throttling when system reverse cycle defrosting, is directly entered the shell and tube exchanger heat exchange of water side, and room comfort improves, and defrosting time shortens 5 seconds or more.
Description
Technical field
The present invention relates to a kind of heat pump system, the vortex type air source heat pump system of specifically a kind of heating and refrigeration
System.
Background technique
Attached drawing 1 be current domestic heat pump air conditioner industry frequently with a kind of heating and refrigeration vortex type air source heat pump
Systematic schematic diagram, 1, four-way reversing valve A in figure, 2, high-voltage switch gear A, 3, water side shell and tube exchanger A, 4, exhaust temperature sensor A,
5, check valve A, 6, jet increasing break compressor A, 7, low tension switch A, 8, blower A, 9, fin temperature sensor A, 10, air side
Finned heat exchanger A, 11, gas-liquid separator A, 12, view oil mirror, 13, device for drying and filtering A, 14, fluid reservoir A, 15, solenoid valve A,
16, heating power expansion valve A, 17, economizer A, 18, check valve B, 19, check valve C, 20, heating power expansion valve B, 21, thermal expansion
Valve C, 22, solenoid valve B, 23, check valve D, 24, check valve E.The system is in heating operation, four-way reversing valve A (1) electromagnet
Power off static, blower A (8) energization rotation.Major loop high temperature higher pressure refrigerant gas increases break compressor A (6) from jet and is vented
Mouth discharge, the channel D1-C1, water side shell and tube exchanger A (3) successively through four-way reversing valve A (1), check valve B (18), liquid storage
Tank A (14), device for drying and filtering A (13), view oil mirror (12), the supercooling chamber of economizer A (17), solenoid valve B (22), check valve E
(24), heating power expansion valve B (20), air side fins heat exchanger A (10), the channel E1-S1 of four-way reversing valve A (1), gas-liquid point
From device A (11), becomes low-temp low-pressure dry flue gas by jet and increase the sucking of break compressor A (6) air entry, the thermal expansion in pipeline
It is control target that valve B (20), which increases break compressor A (6) suction superheat with jet, is responsible for the jet experienced according to its temperature sensing package
The real-time suction superheat for increasing break compressor A (6) throttles to refrigerant flow.Tonifying Qi circuit regards oil mirror (12) from major loop
Lower end and pick out, normal temperature high voltage refrigerant liquid is successively through solenoid valve A (15), heating power expansion valve A (16), economizer A
(17) evaporation cavity, check valve A (5) become refrigerant gas and are sucked by jet increasing break compressor A (6) gas supplementing opening, in pipeline
It is control target that heating power expansion valve A (16), which increases break compressor A (6) discharge superheat with jet, is responsible for being experienced according to its temperature sensing package
The real-time ventilation degree of superheat that the jet arrived increases break compressor A (6) throttles to refrigerant flow.Jet increase break compressor A (6) from
Its air entry and gas supplementing opening suck the relatively all slightly higher gaseous refrigerant of low-temp low-pressure and temperature, pressure simultaneously, pass through quasi- second level
High-temperature high-pressure refrigerant gas is discharged in compression.The fin temperature that if fin temperature sensor A (9) is acquired in system operation
It spends information and is lower than set temperature, system enters defrosting program.Four-way reversing valve A (1), which is powered, to commutate, and solenoid valve A (15) power-off is cut
Extremely, blower A (8) power-off stalling.High-temperature high-pressure refrigerant gas increases the discharge of break compressor A (6) exhaust outlet from jet, successively passes through
The channel D1-E1 of four-way reversing valve A (1), air side fins heat exchanger A (10), check valve C (19), fluid reservoir A (14), drying
Filter A (13), view oil mirror (12), the supercooling chamber of economizer A (17), solenoid valve B (22), check valve D (23), thermal expansion
Valve C (21), water side shell and tube exchanger A (3), the channel C1-S1 of four-way reversing valve A (1), gas-liquid separator A (11), become
Low-temp low-pressure dry flue gas increases the sucking of break compressor A (6) air entry by jet, and the heating power expansion valve C (21) in pipeline is increased with jet
Break compressor A (6) suction superheat is control target, is responsible for the jet experienced according to its temperature sensing package and increases break compressor A (6)
Real-time suction superheat to refrigerant flow throttle.Jet increases break compressor A (6) and now functions as single-stage compressor heating, from
Air entry sucks low-temperature low-pressure refrigerant gas, and high-temperature high-pressure refrigerant gas is discharged from exhaust outlet.When system is in refrigerating operaton
When, four-way reversing valve A (1), which is powered, to commutate, and solenoid valve A (15) power-off is by blower A (8), which is powered, to be rotated.High temperature and pressure refrigeration
Agent gas increases the discharge of break compressor A (6) exhaust outlet, the channel D1-E1, air side successively through four-way reversing valve A (1) from jet
Finned heat exchanger A (10), check valve C (19), fluid reservoir A (14), device for drying and filtering A (13), view oil mirror (12), economizer A
(17) supercooling chamber, solenoid valve B (22), check valve D (23), heating power expansion valve C (21), water side shell and tube exchanger A (3),
The channel C1-S1 of four-way reversing valve A (1), gas-liquid separator A (11), become low-temp low-pressure dry flue gas, increase break compression by jet
Machine A (6) air entry sucks, and it is control that the heating power expansion valve C (21) in pipeline, which increases break compressor A (6) suction superheat with jet,
Target is responsible for the jet experienced according to its temperature sensing package and increases the real-time suction superheat of break compressor A (6) to refrigerant flow
Throttling.Jet increases break compressor A (6) and now functions as single stage compress mechanism cold, sucks low-temperature low-pressure refrigerant gas from air entry
High-temperature high-pressure refrigerant gas is discharged from exhaust outlet in body.
The structure and operation logic of the above heat pump system are carefully researched and analysed, although being not difficult to conclude that the system category
In the novel heat pump system being made of Gas-supplying enthalpy-increasing compressor, Gas-supplying enthalpy-increasing technology, efficient subcooler, and this three technology
Combination can effectively improve the heating capacity under system hypothermia operating condition, prevent compressor exhaust temperature excessively high, meet user-
25 DEG C even demand of following heating, and have both cooling in summer function.But there are still obvious disadvantages for the system: being such as
System should heat, and take into account refrigeration again, and the ambient temperature range of applicable situation is from -15 DEG C to+43 DEG C, corresponding refrigerant
Will be at -25 DEG C -- work is evaporated within the temperature range of+5 DEG C, by the function and performance by used heating power expansion valve
Limitation, this total temperature range operating condition can not be competent at single heating power expansion valve, and system can only be bent in matched design
From in heating power expansion valve, using refrigeration mode and the independent expansion valve system of heating mode, this certainly will will increase the complexity of system
Property and manufacturing cost, increase the running resistance of system, increase energy consumption, reduce COP；System uses heating power expansion valve to be vented temperature
When the temperature difference of degree and condensation temperature controls air compensation as target component, air compensation is insufficient in the lower situation of delivery temperature,
System COP is not achieved most preferably；Refrigerant is after heating power expansion valve throttling cooling when system uses reverse cycle defrosting, the system of unit
Though cryogen can absorb more energy from refrigerated circulating water, refrigerant running efficiency is low, and system defrosting time is long, comfortably
Property difference etc..
Summary of the invention
In response to the problems existing in the prior art, the purpose of the present invention is to provide a kind of heating and the vortex type airs of refrigeration
Source heat pump system.
A kind of the technical solution adopted by the present invention to solve the technical problems: vortex type air source heat of the simultaneous refrigeration of heating
Pumping system, it is by four-way reversing valve B, high-voltage switch gear B, water side shell and tube exchanger B, exhaust temperature sensor B, solenoid valve C, blower
B, fin temperature sensor B, air side fins heat exchanger B, check valve F, jet increase break compressor B, low tension switch B, gas-liquid point
From device B, piping filter, check valve G, solenoid valve D, device for drying and filtering B, electric expansion valve, economizer B, fluid reservoir B, electromagnetism
The part such as valve E forms.1, system design is based on being made of air injection enthalpy-increasing compressor, air injection enthalpy-increasing technology and efficient subcooler
Air injection enthalpy-increasing systems technology.2, throttle mechanism uses electric expansion valve, because electronic expansion valve performance can combine system system
Cold and heating is in optimal operational condition；The range of capacity of one electric expansion valve can cover system whole year operating condition,
System design need not take thermal expansion valve arrangement of the complicated refrigeration with heating independently, this is conducive to answering for reduction system
Polygamy and manufacturing cost improve COP.3, system realizes that refrigeration, heating and tonifying Qi share the imagination of same electric expansion valve, this
Complexity, manufacturing cost and the running resistance for more conducively reducing system, improve the operational efficiency and COP of working medium.4, system tonifying Qi
It is control target with the tonifying Qi degree of superheat, the controlling party based on the throttling of shared electron expansion valve, supplemented by solenoid valve intermittent controlled
Formula.5, system uses the room temperature refrigerant being discharged when reverse cycle defrosting from air side fins heat exchanger without electric expansion valve section
Stream cooling, is directly bypassed to water side shell and tube exchanger and refrigerating cycle hydrothermal exchange, refrigerant running efficiency is more
Height, unit refrigerant absorb less energy from chilled water, and the heat of defrosting is more from compressor, and defrosting time is more
Short, comfort is more preferable.6, in the defrosting stage of system defrosting, the refrigerant liquid after defrosting is straight without electric expansion valve throttling
It connects and is bypassed to water side shell and tube exchanger, running efficiency improves.Into the refrigerant liquid of water inlet side shell and tube exchanger
Have little time evaporating completely, is greatly directly entered gas-liquid separator wherein having, is flashed under the swabbing action of compressor
Saturated gas.Due to maintaining 0 DEG C or so always in this multistage compressor suction superheat, compressor exhaust temperature is caused not
It is disconnected to reduce, jeopardize the safe operation of compressor.When system detection to compressor exhaust temperature is lower than set temperature, it is connected to
Bypass solenoid valve between compressor suction duct and exhaust pipe is opened in time, make high-temperature gas enter gas-liquid separator to air-breathing into
Row increasing enthalpy processing, to maintain compressor exhaust temperature stable and guarantee that the refrigerant gasification for entering compressor is abundant.
Beneficial effects of the present invention: 1, electric expansion valve can accurately be adjusted in the range of 10%--100%, and
Adjustable range can be set according to the characteristic of different product, select electric expansion valve, and system design need not take complicated system
The cold expansion valve mechanism with heating independently, complexity are substantially reduced；Electric expansion valve is from fully closed to its use of full-gear
When only need several seconds, reaction and quick action, opening and closing speed and characteristic can be manually set, select electric expansion valve --- inhale
The control of the gas degree of superheat, system more can effectively utilize its disengagement area, improve evaporation load, remain higher under its full working scope
COP value is horizontal, and when especially refrigerant evaporation capacity is very low at low ambient temperatures, effect is more obvious.2, the matched design of system,
The conception that refrigeration, heating and tonifying Qi share an electric expansion valve is realized, this makes the complexity of system and manufacturing cost into one
Step reduces, and thereby reduces system running resistance, and system full working scope refrigerating capacity and COP is made to promote 5% or more.3, system is to mend
The gas degree of superheat be control target, use shared electron expansion valve throttling control be main solenoid valve intermittent controlled supplemented by combination benefit
Gas technology, it is the system 3% for controlling target that refrigerating capacity, which is averagely higher than with discharge superheat,.Higher than with delivery temperature be control
The system 7% of target.4, the room temperature refrigerant being discharged when system uses reverse cycle defrosting by air side fins heat exchanger without
Expansion valve throttling cooling, but water side shell and tube exchanger can be directly entered by bypass, refrigerant running efficiency improves, single
Position refrigerant absorbs heat reduction from cooling water, and system each defrosting time shortening 5 seconds or more, comfort improved.5, inverse to follow
Ring bypass has supplied the short of defrosting systems technology except defrosting system in compressor by inhaling, bypass solenoid valve being arranged between exhaust outlet
Plate, perfect system function can effectively avoid compressor liquid hammer, 6, system can reliably meet user in -30 DEG C of ultralow temperature
Stabilization heating needs under environment and the refrigeration demand by national standard.
Detailed description of the invention
Fig. 1 is closer to vortex type air source heat pump system schematic diagram of the invention to be existing.Fig. 2 is original of the invention
Reason figure.25 in Fig. 2, four-way reversing valve B, 26, high-voltage switch gear B, 27, water side shell and tube exchanger B, 28, exhaust temperature sensor B,
29, solenoid valve C, 30, blower B, 31, fin temperature sensor B, 32, air side fins heat exchanger B, 33, check valve F, 34, spray
Gas increases break compressor B, 35, low tension switch B, 36, gas-liquid separator B, 37, piping filter, 38, check valve G, 39, solenoid valve
D, 40, device for drying and filtering B, 41, electric expansion valve, 42, economizer B, 43, fluid reservoir B, 44, solenoid valve E.
Specific embodiment
In system heating (or refrigeration) major loop, jet increases break compressor B (34) exhaust outlet and four-way reversing valve B (25)
D2 pipe nozzle connect, connect on pipeline and then (26) high-voltage switch gear B.The C2 pipe nozzle of four-way reversing valve B (25) and water side
Air inlet when shell and tube exchanger B (27) is condensed connects.Water side shell and tube exchanger B (27) condense when liquid outlet be
The inlet of the refrigerant supercooling chamber of economizer B (42) connects when controlling heat.The refrigerant of economizer B (42) when system heats
The liquid outlet that chamber is subcooled connects with the inlet of fluid reservoir B (43) when system heating.Fluid reservoir B's (43) goes out when system heats
Liquid mouth is sequentially connected in series device for drying and filtering B (40), electric expansion valve (41), piping filter (37) and exchanges heat afterwards with air side fins
Inlet when device B (32) evaporates connects.The gas outlet of air side finned heat exchanger B (32) and four-way commutate when system heats
The E2 pipe nozzle of valve B (25) connects.The air inlet phase of the S2 pipe nozzle of four-way reversing valve B (25) and gas-liquid separator B (36)
It connects.The air entry that the gas outlet of gas-liquid separator B (36) and jet increase break compressor B (34) connects, and connects on pipeline and then
Low tension switch B (35).In system tonifying Qi circuit, import and heating (or refrigeration) major loop of the solenoid valve E (44) forward installed
The lower end of electric expansion valve (41) connects when upper system heats, the outlet of solenoid valve E (44) and the refrigeration with economizer B (42)
The inlet of agent evaporation cavity connects.The gas outlet of the refrigerant evaporation cavity of economizer B (42) and the check valve F forward installed
(33) import connects.The outlet of check valve F (33) increases break compressor B (34) gas supplementing opening with jet and connects.System defrosting circuit
In, electric expansion valve (41) when system heats on import and heating (or refrigeration) major loop of the solenoid valve D (39) forward installed
Rear end connect.The outlet of solenoid valve D (39) connects with the import of the check valve G (38) forward installed.Check valve G's (38)
It exports and connects with the rear end of water side shell and tube exchanger B (27) when system heats on heating (or refrigeration) major loop.In addition: suitable
After jet increases break compressor B (34) exhaust outlet on import and heating (or refrigeration) major loop of the solenoid valve C (29) of installation
End connects, and exports and connects with the front end of gas-liquid separator B (36) on heating (or refrigeration) major loop.Jet increases break compressor B
(34) exhaust temperature sensor B (28) are installed in discharge chamber.Blower B (30) is commonly mounted on air side fins heat exchanger B (32)
On the unit framework of system, fin temperature sensor B (31) is mounted on the wing of air side fins heat exchanger B (32) multiple positions
On piece.
Using the present invention, when system is in heating operation, the power-off of four-way reversing valve B (25) electromagnet, slide valve is static,
D2 pipe is penetrated through with C2 pipe, and S2 pipe is penetrated through with E2 pipe.Electric expansion valve (41), solenoid valve E (44) are powered open-minded.Blower B (30) is logical
Electricity rotation.Solenoid valve C (29), solenoid valve D (39) power-off by.Increase the high temperature that break compressor B (34) exhaust outlet is discharged from jet
Higher pressure refrigerant gas through four-way reversing valve B (25) channel D2-C2 into water inlet side shell and tube exchanger B (27), in water side package
Become normal temperature high voltage refrigerant liquid with the condensation heat dissipation of circulating cooling hydrothermal exchange in formula heat exchanger B (27).Normal temperature high voltage system
Cryogen liquid is discharged into economizer B (42) supercooling chamber from water side shell and tube exchanger B (27), passes through in economizer B (42)
It is subcooled with the low-temperature refrigerant heat exchange through throttling cooling for flowing through its evaporation cavity, to improve the steady of liquid refrigeration working medium
It is qualitative, improve the capacity and efficiency of system.Supercooling high pressure refrigerant liquid is discharged into liquid storage from economizer B (42) supercooling chamber
Tank B (43) can avoid refrigerant and accumulated excessively in water side shell and tube exchanger B (27) by the effect of (43) fluid reservoir B
And its heat transfer area is made to become smaller, heat transfer effect is influenced, and adapt to the negative of the air side fins heat exchanger B (32) that its rear end connects
Lotus changes the demand to cold-producing medium supply amount.The supercooling high pressure refrigerant liquid being discharged from fluid reservoir B (43) first flows through dried
Filter B (40) enters electric expansion valve (41) after device for drying and filtering B (40) remove moisture and impurity therein, and electronics is swollen
Swollen valve (41) increases the comprehensive of break compressor B (34) suction superheat and the tonifying Qi degree of superheat to jet according to what system controller issued
Processing signal is closed, by the aperture of pre-set programs control electric expansion valve (41), is throttled to refrigerant flow, to guarantee to air
Side finned heat exchanger B (32) and the suitable liquid supply rate of economizer B (42) evaporation cavity and the suitable degree of superheat, through electric expansion valve
(41) the decompression cooling of supercooling high-pressure refrigerant, becomes low temperature and low pressure liquid after throttling, to change for refrigerant in air side fins
Heat absorption evaporation in hot device B (32) and economizer B (42) evaporation cavity creates conditions.It is low after electric expansion valve (41) throttling
Warm low pressure refrigerant is simultaneously divided into two-way: curb main loop circulation passes sequentially through piping filter (37), air side wing
Piece heat exchanger B (32), four-way reversing valve B (25) channel E2-S2, gas-liquid separator B become low-temperature low-pressure refrigerant mistake after (36)
Hot dry flue gas increases the sucking of break compressor B (34) air entry by jet.Wherein piping filter (37) is used to repeat removing system
Middle impurity.The heat that air side fins heat exchanger B (32) is used to that low-temperature low-pressure refrigerant liquid is made to absorb air in boiling process
Amount becomes low-temperature low-pressure refrigerant overheat damp steam, uses with the blower B (30) that air side fins heat exchanger B (32) cooperates
Air is blowed, air-air side finned heat exchanger B (32) is made to form forced convertion, is accelerated between air and refrigerant working medium
Heat exchange.Gas-liquid separator B (36) is used to separate the refrigerant drop overheated in damp steam and becomes to overheat dry flue gas,
To prevent compressor liquid hammer；Another way along tonifying Qi circuit circulate, low-temperature low-pressure refrigerant liquid pass sequentially through solenoid valve E (44),
Economizer B (42) evaporation cavity, check valve F become gaseous refrigerant after (33), increase break compressor B (34) gas supplementing opening by jet and inhale
Enter.Wherein solenoid valve E (44) is on the one hand used to increase break compressor B (34) tonifying Qi overheat according to jet in system operation
The on-off of the real-time change control tonifying Qi pipeline of degree, auxiliary electron expansion valve (41) complete system to the real-time of the tonifying Qi degree of superheat
It adjusts；Refrigerant flows into jet increasing break compressor B (34) gas supplementing opening when the two anti-locking systems of aspect are run under non-tonifying Qi state,
It influences jet and increases break compressor B (34) normal operation.Economizer B (42) is an efficient supercooling heat exchanger, for making to flow through it
The low-temperature low-pressure refrigerant liquid of evaporation cavity passes through heat exchange heat absorption steaming with its normal temperature high voltage refrigerant liquid that chamber is subcooled is flowed through
Hair becomes gaseous refrigerant.Refrigerant increases break from jet when check valve F (33) is run under non-tonifying Qi state for anti-locking system
Compressor B (34) gas supplementing opening flows back to tonifying Qi pipeline.Jet increases break compressor B (34) and inhales simultaneously from its air entry and gas supplementing opening
Enter the relatively slightly higher gaseous refrigerant of low-temp low-pressure and temperature, pressure, compression process is divided into two sections by tonifying Qi process, becomes
Quasi- two-stage compression process, edge injection combination cooling is compressed on side when it passes through mesolow, then normally compresses when high pressure, and discharge is high
Warm higher pressure refrigerant gas, while delivery temperature is reduced, capacity is improved, guarantees the heating capacity and fortune of system hypothermia operating condition
Row stability.If the fin temperature information that fin temperature sensor B (31) is acquired in system heating process is lower than system
Set temperature, system enter defrosting program.Four-way reversing valve B (25) electromagnet is powered, and slide valve is mobile, four-way reversing valve B (25)
Commutation, D2 pipe are connected with E2 pipe, and S2 pipe is connected with C2 pipe.Solenoid valve C (29), solenoid valve D (39), which are powered, to be connected.Solenoid valve E
(44), electric expansion valve (41) power-off is closed.Blower B (30) power-off stalling.Increase break compressor B (34) exhaust outlet row from jet
It is cold that high-temperature high-pressure refrigerant gas out through four-way reversing valve B (25) channel D2-E2 enters air side fins heat exchanger B (32)
Solidifying heat dissipation melts the frost layer being attached on fin surface by the way that heat to be conducted to the fin of air side fins heat exchanger B (32),
Become normal temperature high voltage refrigerant liquid.Normal temperature high voltage refrigerant liquid successively passes through after air side fins heat exchanger B (32) discharge
Piping filter (37), solenoid valve D (39), check valve G (38) are into water inlet side shell and tube exchanger B (27), in water side shell-tube type
In heat exchanger B (27) interior boiling process by with circulating frozen hydrothermal exchange, the heat of absorption refrigerating water becomes low-temp low-pressure
Refrigerant superheat damp steam enters gas-liquid separator B (36) through four-way reversing valve B (25) channel C2-S2, through gas-liquid separator B
(36) the refrigerant drop overheated in damp steam is separated and becomes to overheat dry flue gas, break compressor B (34) are increased by jet
Air entry sucking, when the refrigerant liquid into water inlet side shell and tube exchanger B (27) has little time evaporating completely, wherein having very big
A part can be directly entered in gas-liquid separator B (36), and gas-liquid separator B (36) is unable to complete dividing completely for refrigerant drop
From this stage jet increases break compressor B (34) suction superheat and maintains 0 DEG C or so always, and jet is caused to increase break compressor B
(34) delivery temperature constantly reduces, and jeopardizes the safe operation that jet increases break compressor B (34).When system detection to jet increases break
When compressor B (34) delivery temperature is lower than set temperature, it is connected to jet and increases break compressor B (34) between air intake duct and exhaust pipe
Bypass solenoid valve C (29) open, make high-temperature gas enter gas-liquid separator B (36) to air-breathing carry out increasing enthalpy processing, with dimension
Jet is held to increase break compressor B (34) delivery temperature stabilization and guarantee that the refrigerant gasification for entering jet increasing break compressor B (34) is filled
Point.Jet increases break compressor B (34), and gas supplementing opening is closed at this time, makees the use of conventional single stage compressor, sucks low temperature from its air entry
High-temperature high-pressure refrigerant gas is discharged from exhaust outlet in low pressure refrigerant gas.When system is in refrigerating operaton, four-way reversing valve B
(25) electromagnet is powered, and slide valve is mobile, and four-way reversing valve B (25) commutation, D2 pipe is connected with E2 pipe, and S2 pipe is connected with C2 pipe.
Blower B (30), which is powered, to be rotated.Solenoid valve C (29), solenoid valve D (39), solenoid valve E (44) power-off by.Electric expansion valve
(41) be powered conducting.Increase the high-temperature high-pressure refrigerant gas of break compressor B (34) exhaust outlet discharge through four-way reversing valve from jet
B (25) channel D2-E2 enters air side fins heat exchanger B (32), becomes normal temperature high voltage refrigeration with air heat exchange condensation heat dissipation
Agent liquid.It is used to blow air with the blower B (30) that air side fins heat exchanger B (32) cooperates, makes air-air side
Finned heat exchanger B (32) forms forced convertion, accelerates the heat exchange between air and refrigerant working medium.Normal temperature high voltage refrigerant liquid
Successively through piping filter (37), electric expansion valve (41), device for drying and filtering after air side fins heat exchanger B (32) discharge
B (40) enters fluid reservoir B (43).Wherein piping filter (37) is used to the impurity in removing system, prevents electric expansion valve
(41) it blocks.What electric expansion valve (41) was used to be issued according to system controller increases break compressor B (34) suction superheat to jet
The processing signal of degree and air side fins heat exchanger B (32) evaporating pressure throttles to refrigerant flow by pre-set programs, makes to make
Cryogen becomes low temperature and low pressure liquid.Device for drying and filtering B (40) is used to repeat the impurity and moisture in removing system.Fluid reservoir B
(43) it is used to that refrigerant is avoided to accumulate excessive in air side fins heat exchanger B (32) and its heat transfer area is made to become smaller, influences to change
Thermal effect, and adapt to need of the load change to cold-producing medium supply amount for the water side shell and tube exchanger B (27) that its rear end connects
It asks.The low-temperature low-pressure refrigerant liquid being discharged from fluid reservoir B (43) is changed through economizer B (42) supercooling chamber into water inlet side shell-tube type
Hot device B (27), in water side shell and tube exchanger B (27) interior boiling process by with refrigerating cycle hydrothermal exchange, absorption cycle
The heat of water, makes circulating water cooling turn cold, oneself becomes low-temperature low-pressure refrigerant overheat damp steam.Low-temperature low-pressure refrigerant mistake
Hot damp steam enters gas-liquid separator B (36) through four-way reversing valve B (25) channel C2-S2, incites somebody to action through gas-liquid separator B (36)
Refrigerant drop in hot damp steam, which is separated, becomes dry flue gas, increases the sucking of break compressor B (34) air entry by jet.Spray
Gas increases break compressor B (34) and makees the use of conventional single stage refrigeration compressor at this time, sucks low-temperature low-pressure refrigerant gas from air entry
High-temperature high-pressure refrigerant gas is discharged from exhaust outlet in body.In addition, high-voltage switch gear B (26), low tension switch B (35) are arranged in system
For controlling the pressure at expulsion and pressure of inspiration(Pi) that jet increases break compressor B (34), jet is avoided to increase break compressor B (34) because of row
Atmospheric pressure is excessively high or pressure of inspiration(Pi) is too low, deviates normal operation range and damages.Setting exhaust temperature sensor B (28) is used to monitor
Jet increases the delivery temperature of break compressor B (34), avoids jet from increasing break compressor B (34) and damages because of overheating operation.In air
Fin temperature sensor B (31) are set on the fin of side finned heat exchanger B (32) multiple positions, for accurately acquiring fin
Real time temperature information.
It should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, to of the invention
Technical solution is modified or equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention, should all cover in this hair
In bright scope of the claims.
Claims (4)
1. the vortex type air source heat pump system of a kind of heating and refrigeration, it is by four-way reversing valve B, high-voltage switch gear B, water side package
Formula heat exchanger B, exhaust temperature sensor B, solenoid valve C, blower B, fin temperature sensor B, air side fins heat exchanger B, check valve
F, jet increases break compressor B, low tension switch B, gas-liquid separator B, piping filter, check valve G, solenoid valve D, device for drying and filtering
B, the part such as electric expansion valve, economizer B, fluid reservoir B, solenoid valve E forms.It is characterized by: system heating (or refrigeration) is main
In circuit, jet increases break compressor B exhaust outlet and connects with the D2 pipe nozzle of four-way reversing valve B, connects on pipeline and then high pressure
Switch B.Air inlet when the C2 pipe nozzle of four-way reversing valve B is condensed with water side shell and tube exchanger B connects.Water side shell-tube type changes
The inlet of the refrigerant supercooling chamber of economizer B connects when liquid outlet when hot device B is condensed is heated with system.System passes through when heating
The inlet of fluid reservoir B connects when the liquid outlet of the refrigerant supercooling chamber of Ji device B is heated with system.Fluid reservoir B when system heats
Liquid outlet be sequentially connected in series after device for drying and filtering B, electric expansion valve, piping filter when being evaporated with air side fins heat exchanger B
Inlet connect.The gas outlet of air side finned heat exchanger B connects with the E2 pipe nozzle of four-way reversing valve B when system heats.
The S2 pipe nozzle of four-way reversing valve B connects with the air inlet of gas-liquid separator B.The gas outlet of gas-liquid separator B and jet increase break
The air entry of compressor B connects, and connects on pipeline and then low tension switch B.
2. the vortex type air source heat pump system of a kind of heating according to claim 1 and refrigeration, it is characterised in that: system
In tonifying Qi circuit, electric expansion valve when system heats on import and heating (or refrigeration) major loop of the solenoid valve E forward installed
Lower end connect, the outlet of solenoid valve E connects with the inlet of the refrigerant evaporation cavity with economizer B.The refrigerant of economizer B
The gas outlet of evaporation cavity connects with the import of the check valve F forward installed.The outlet of check valve F and jet increase break compressor B and mend
Port connects.
3. the vortex type air source heat pump system of a kind of heating according to claim 1 and refrigeration, it is characterised in that: system
In defrosting circuit, electric expansion valve when system heats on import and heating (or refrigeration) major loop of the solenoid valve D forward installed
Rear end connect.The outlet of solenoid valve D connects with the import of the check valve G forward installed.The outlet of check valve G and heating (or
Refrigeration) rear end of water side shell and tube exchanger B connects when system heating on major loop.
4. the vortex type air source heat pump system of a kind of heating according to claim 1 and refrigeration, it is characterised in that: forward
The import of the solenoid valve C of installation connects with the rear end that jet on heating (or refrigeration) major loop increases break compressor B exhaust outlet, goes out
Mouth connects with the front end of gas-liquid separator B on heating (or refrigeration) major loop.Jet increases the row of being installed in break compressor B discharge chamber
Temperature sensor B.Blower B and air side fins heat exchanger B are commonly mounted on the unit framework of system, fin temperature sensor B
It is mounted on the fin of the more a positions air side fins heat exchanger B.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811374086.9A CN109631381A (en) | 2018-11-09 | 2018-11-09 | A kind of vortex type air source heat pump system of the simultaneous refrigeration of heating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811374086.9A CN109631381A (en) | 2018-11-09 | 2018-11-09 | A kind of vortex type air source heat pump system of the simultaneous refrigeration of heating |
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| CN201811374086.9A Pending CN109631381A (en) | 2018-11-09 | 2018-11-09 | A kind of vortex type air source heat pump system of the simultaneous refrigeration of heating |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109506384A (en) * | 2018-10-30 | 2019-03-22 | 青岛沃润达新能源科技有限公司 | A kind of vortex type air source heat pump system having both refrigerating function based on heating |
| CN109974359A (en) * | 2019-04-22 | 2019-07-05 | 天津赛诺梅肯能源科技有限公司 | A kind of air source heat pump suitable for cold district is very fast to remove defrosting system |
| CN110057144A (en) * | 2019-05-21 | 2019-07-26 | 宁波奥克斯电气股份有限公司 | A kind of expansion valve component, bidirectional throttle system and air conditioner |
| CN113483501A (en) * | 2021-06-10 | 2021-10-08 | 北京金茂绿建科技有限公司 | Vortex type air source heat pump system |
| US20220268496A1 (en) * | 2021-02-09 | 2022-08-25 | Trane International Inc. | Reversible heat pump |
| CN114992910A (en) * | 2022-05-26 | 2022-09-02 | 浙江中广电器集团股份有限公司 | Three-stage compressed air source heat pump unit adopting flash tank and economizer |
| CN115717741A (en) * | 2022-11-16 | 2023-02-28 | 势加透博洁净动力如皋有限公司 | Multi-split central air conditioning system |
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| CN109506384A (en) * | 2018-10-30 | 2019-03-22 | 青岛沃润达新能源科技有限公司 | A kind of vortex type air source heat pump system having both refrigerating function based on heating |
| CN109974359A (en) * | 2019-04-22 | 2019-07-05 | 天津赛诺梅肯能源科技有限公司 | A kind of air source heat pump suitable for cold district is very fast to remove defrosting system |
| CN110057144A (en) * | 2019-05-21 | 2019-07-26 | 宁波奥克斯电气股份有限公司 | A kind of expansion valve component, bidirectional throttle system and air conditioner |
| US20220268496A1 (en) * | 2021-02-09 | 2022-08-25 | Trane International Inc. | Reversible heat pump |
| US11953240B2 (en) * | 2021-02-09 | 2024-04-09 | Trane International Inc. | Reversible heat pump |
| CN113483501A (en) * | 2021-06-10 | 2021-10-08 | 北京金茂绿建科技有限公司 | Vortex type air source heat pump system |
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| CN114992910A (en) * | 2022-05-26 | 2022-09-02 | 浙江中广电器集团股份有限公司 | Three-stage compressed air source heat pump unit adopting flash tank and economizer |
| CN115717741A (en) * | 2022-11-16 | 2023-02-28 | 势加透博洁净动力如皋有限公司 | Multi-split central air conditioning system |
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Application publication date: 20190416 |