CN109163471A - Energy-saving comfortable air conditioner with separate hot pump system and its control method - Google Patents
Energy-saving comfortable air conditioner with separate hot pump system and its control method Download PDFInfo
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- CN109163471A CN109163471A CN201810791256.7A CN201810791256A CN109163471A CN 109163471 A CN109163471 A CN 109163471A CN 201810791256 A CN201810791256 A CN 201810791256A CN 109163471 A CN109163471 A CN 109163471A
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- finned tube
- gas
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 124
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000010257 thawing Methods 0.000 claims abstract description 11
- 239000003507 refrigerant Substances 0.000 claims description 66
- 238000005485 electric heating Methods 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000009833 condensation Methods 0.000 claims description 9
- 230000005494 condensation Effects 0.000 claims description 9
- 238000005057 refrigeration Methods 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000004134 energy conservation Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 abstract description 10
- 238000001704 evaporation Methods 0.000 abstract description 7
- 230000008020 evaporation Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009834 vaporization Methods 0.000 description 3
- 230000008016 vaporization Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- XGFJCRNRWOXGQM-UHFFFAOYSA-N hot-2 Chemical compound CCSC1=CC(OC)=C(CCNO)C=C1OC XGFJCRNRWOXGQM-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/42—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger characterised by the use of the condensate, e.g. for enhanced cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
- F24F11/67—Switching between heating and cooling modes
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
-
- 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 present invention relates to a kind of energy-saving comfortable air conditioner with separate hot pump system and its control methods.It solves the technical problems such as existing heat pump air conditioning system operational effect difference.Including compressor, four-way reversing valve, indoor finned tube exchanger, electric expansion valve, gas-liquid separator, outdoor finned tube exchanger, liquid collecting distributer, the first solenoid valve, second solenoid valve, third solenoid valve, the 4th solenoid valve, the 5th solenoid valve, the 6th solenoid valve etc..Advantage is: the condensed water of recycling being distributed to outdoor heat exchanger fin surface by liquid collecting distributer, condensed water evaporates while flowing along fin surface, the heat of partial air and fin surface is taken away using evaporation latent heat, to reduce system condensing temperature, the COP of air-conditioner set summer operation is improved.It can be realized defrosting and heat supply while carrying out, to indoor continuous uninterrupted heat supply, effective solution fluctuations in indoor temperature problem due to caused by defrosting greatly improves the thermal comfort in room.
Description
Technical field
The invention belongs to heat-pump air conditioning unit technical fields, more particularly, to a kind of energy-saving comfortable air conditioner with separate hot pump system
System and its control method.
Background technique
With the continuous improvement of people's living standards, people are cured the comfort level and purity requirements of living and working environment
Come higher.Therefore, the building of China's most area is all with the more of Winter heat supply, summer air-conditioning and annual offer domestic hot-water
Weight demand, since heat pump air conditioner uses various relatively advanced power-saving technologies in Cooling and Heat Source and internal system, this makes its tool
There is higher capacity usage ratio.Existing heat pump air conditioner mainly includes outdoor unit and indoor unit, and the heat exchanger in outdoor unit is referred to as cold
Condenser, and the heat exchanger in indoor unit is known as evaporator.Condenser is at work, it is necessary to radiate to condenser, so that cold
Condenser works normally；It radiates more abundant, condenser is better with air heat exchange effect, and keeps the energy consumption of condenser smaller.It is existing
When with room air heat exchange, the vapor in air can liquefy to form condensed water evaporator in indoor unit, common heat
Pump air conditioner system is not collected condensed water, and condensed water direct emission is fallen, and both causes water resource waste, also without reasonably
Using condensed water, existing heat pump air conditioning system is allowed in this way and is existed: the problems such as operational effect is poor, and stability is low.
Of the existing technology in order to solve the problems, such as, people have carried out long-term exploration, propose miscellaneous solution
Scheme.For example, Chinese patent literature disclose a kind of recoverable condensed water air-conditioning [application number:
201721586006.7], the wall including outdoor unit and for installing outdoor unit, the outdoor unit include shell and are located at
Condenser in shell；It further include the water tank set on wall, the wall runs through the collecting pipe having for recycling condensed water, institute
Collecting pipe is stated to be connected with water tank；The outlet pipe that the water tank is equipped with booster water pump and is connected with booster water pump, institute
Outlet pipe is stated through shell；The outlet pipe is equipped with the atomizer being located in shell, the mist far from the end of booster water pump
Change the atomizing nozzle of spray head towards condenser.Above scheme solves existing air conditioner heat pump system condensed water to a certain extent can not
The problem of rationally utilizing, but the program still remains: stability is poor, the problem of operational effect difference.
Summary of the invention
Regarding the issue above, the present invention provides a kind of simple and reasonable, the energy-saving comfortable stablized point
Body heat pump air conditioner system.
Another object of the present invention is in view of the above-mentioned problems, providing a kind of reasonable idea, and the good energy conservation of operational effect is relaxed
Suitable type air conditioner with separate hot pump control method.
In order to achieve the above objectives, present invention employs following technical proposals: this energy-saving comfortable air conditioner with separate hot pump system,
Including compressor, which is characterized in that the compressor by pipeline successively with four-way reversing valve, indoor finned tube exchanger and
Electric expansion valve is connected, and the electric expansion valve export pipeline is divided into two-way, all the way by pipeline and the first solenoid valve and
Gas-liquid separator inlet ductwork is connected, and another way is connected by pipeline with second solenoid valve, the second solenoid valve outlet
Road is divided into two-way, is connected all the way by pipeline with third solenoid valve and gas-liquid separator export pipeline, another way passes through pipeline
Successively it is connected with outdoor finned tube exchanger and four-way reversing valve, is divided into two-way on the four-way reversing valve export pipeline,
It is connected all the way by pipeline with the 4th solenoid valve and the compressor inlet pipeline, another way passes through pipeline and the described the 5th
Solenoid valve is connected with the gas-liquid separator inlet ductwork, the gas-liquid separator export pipeline and the 6th solenoid valve and pressure
Contracting machine inlet ductwork is connected, and the liquid being connected with indoor finned tube exchanger is equipped at the top of the outdoor finned tube exchanger
Collect distributor.This system sufficiently can recycle and utilize indoor finned tube exchanger condensed water in summer operation, not only solve
Certainly existing SPLIT AIR-CONDITIONING SYSTEM condensed water direct emission causes energy waste, and can reduce outdoor finned tube exchanger
Condensation temperature improves system COP.
In above-mentioned energy-saving comfortable air conditioner with separate hot pump system, the gas-liquid separator bottom is provided with electric heating
Pipe.When this system is run under the heat supply mode that defrosts, the gas-liquid two-phase of the low-temp low-pressure after electric expansion valve throttles freezes
Agent does not enter outdoor finned tube exchanger and carries out heat absorption evaporation, but is directly entered gas-liquid point by switching different solenoid valves
From device, heating vaporization liquid refrigerant is carried out using the electric heating tube in gas-liquid separator, wherein the heating power of electric heating tube
It is controlled by indoor load.
In above-mentioned energy-saving comfortable air conditioner with separate hot pump system, the second solenoid valve is connected with third solenoid valve
Electric heating wire is provided on pipeline.Obviously, it is set on the branch pipe that gas-liquid separator outlet leads to outdoor finned tube exchanger import
It is equipped with electric heating wire, when main purpose is that this system is run under the heat supply mode that defrosts, heating comes out from gas-liquid separator
It is saturated refrigerant vapour, provides required heat for outdoor finned tube exchanger defrosting, the heating power of electric heating wire is by outdoor
Finned tube exchanger outlet refrigerant superheat degree is controlled.
In above-mentioned energy-saving comfortable air conditioner with separate hot pump system, the liquid collecting distributer is at least one receipts
Collect channel, and if the collection channel be evenly distributed with channel with dry liquids respectively and be connected, described collection channel one end with coagulate
Interface is born water, water-collecting tray is equipped with below the radiating fin of the indoor finned tube exchanger, and the water-collecting tray is and solidifying
Interface is born water to be connected.
In above-mentioned energy-saving comfortable air conditioner with separate hot pump system, the liquid collecting distributer includes several in dentation
Lug boss, and the lug boss is sequentially distributed setting and is evenly distributed with channel to forming jagged liquid, and the liquid is equal
Cloth channel is respectively formed between two neighboring lug boss, and the fin of the outdoor finned tube exchanger is separately positioned on liquid
Body is evenly distributed in channel.
In above-mentioned energy-saving comfortable air conditioner with separate hot pump system, the fin of the outdoor finned tube exchanger passes through weldering
The mode of connecing is arranged between two neighboring lug boss, and the height of the fin of the outdoor finned tube exchanger and lug boss
Height flushes.It can guarantee that liquid can be along fin surface Uniform Flow in this way.
In above-mentioned energy-saving comfortable air conditioner with separate hot pump system, the outdoor finned tube exchanger has several wings
Piece group, and each fins set have several successively spaced set fins, and the collection channel be formed in it is two neighboring
Between fins set.
The energy-saving comfortable air conditioner with separate hot pump control method of above-mentioned energy-saving comfortable air conditioner with separate hot pump system is as follows
It is described:
This energy-saving comfortable air conditioner with separate hot pump control method, comprising the following steps:
A, when summer operation, system is in refrigeration mode, opens the 6th solenoid valve, second solenoid valve, the 5th solenoid valve, closes
Close third solenoid valve, the first solenoid valve, the 4th solenoid valve；The refrigerant vapour of the high temperature and pressure of compressor outlet enters outdoor
The liquid of high temperature and pressure is condensed into finned tube exchanger, the refrigerant liquid of high temperature and pressure is after the throttling of electric expansion valve 3
Become the gas-liquid two-phase cold-producing medium of low-temp low-pressure, the gas-liquid two-phase cold-producing medium of low-temp low-pressure enters indoor finned tube exchanger and inhales
Become the gaseous refrigerant of low-temp low-pressure after heat, the gaseous refrigerant of low-temp low-pressure is compressed into high temperature and pressure after being sucked by compressor
Gaseous refrigerant formed a refrigeration cycle；
B, when winter operation, system is in heating mode, and four-way reversing valve commutation opens simultaneously the 6th solenoid valve, second
Solenoid valve, the 5th solenoid valve close third solenoid valve, the first solenoid valve, the 4th solenoid valve；The high temperature and pressure of compressor outlet
Refrigerant vapour enters in indoor finned tube exchanger, and by the liquid to indoor exothermic condensation at high temperature and pressure, high temperature is high
The refrigerant liquid of pressure becomes the gas-liquid two-phase cold-producing medium of low-temp low-pressure, the gas-liquid of low-temp low-pressure after electric expansion valve throttles
Two phase refrigerant enters the gaseous refrigerant for becoming low-temp low-pressure after outdoor finned tube exchanger absorbs heat, the gaseous state of low-temp low-pressure
Refrigerant is compressed into high temperature and pressure gaseous refrigerant after being sucked by compressor forms a heating circulation.
In above-mentioned energy-saving comfortable air conditioner with separate hot pump control method, in step, in refrigerative circle system, by
It is lower than room air dew-point temperature in indoor finned tube exchanger surface fin temperature, the Water vapor condensation Cheng Shui in room air
After enter in water-collecting tray, the liquid being embedded at the top of outdoor finned tube exchanger is entered by pipeline under gravity
It collects in distributor, condensed water flows in the collection channel of liquid collecting distributer, and passes through the sawtooth on collection channel both sides
Type liquid is evenly distributed with the fin surface that channel is distributed to outdoor finned tube exchanger, and forms membranaceous flowing in fin surface.
In above-mentioned energy-saving comfortable air conditioner with separate hot pump control method, in stepb, when winter operation, system is in
Defrost heat supply mode, and four-way reversing valve do not commutate, and simultaneously closes off the 6th solenoid valve, second solenoid valve, the 5th solenoid valve, opens the
The high-temperature high-pressure refrigerant steam of three solenoid valves, the first solenoid valve, the 4th solenoid valve, compressor outlet enters indoor finned tube
In heat exchanger, by the liquid refrigerant to indoor exothermic condensation at high temperature and pressure, the liquid refrigerant of high temperature and pressure is by electricity
Become the gas-liquid two-phase cold-producing medium of low-temp low-pressure after sub- expansion valve throttling, the gas-liquid two-phase cold-producing medium of low-temp low-pressure is by the first electricity
Magnet valve enters in gas-liquid separator, and low temperature liquid refrigerant becomes to be saturated gaseous state after being electrically heated pipe heating in gas-liquid separator
Refrigerant, saturation gaseous refrigerant, which is electrically heated after silk is heated into high temperature liquid refrigerant after third solenoid valve, enters outdoor
In finned tube exchanger, after high temperature liquid refrigerant releasing heat becomes cryogenic gaseous refrigerant delivery chamber external finned tube heat exchanger
Into compressor, it is compressed into the gaseous refrigerant of high temperature and pressure, forms a circulation, until outdoor finned tube exchanger surface frost
The whole purifying assemblies of layer switch to heating mode.
Compared with prior art, this energy-saving comfortable air conditioner with separate hot pump system and its advantages of control method, are:
1. the present invention increases the power-equipments such as water pump, atomizer without additional, uses and manufacture not increasing air-conditioning substantially
Under the premise of cost, the mounting height using indoor external heat exchanger is poor, by the condensing hot air furnace of indoor finned tube exchanger to peace
In the liquid collecting distributer at the top of outdoor finned tube exchanger, by liquid collecting distributer by the condensed moisture of recycling
To outdoor finned tube exchanger fin surface, condensed water evaporates while flowing cloth along fin surface, utilizes evaporation latent heat
The heat of partial air and fin surface is taken away, to reduce system condensing temperature, improves the COP of air-conditioner set summer operation.
2. the present invention is run in winter, compared with traditional Defrost mode, it can be realized defrosting and heat supply while carrying out, to
Indoor continuous uninterrupted heat supply, effective solution fluctuations in indoor temperature problem due to caused by defrosting greatly improve room
Thermal comfort.
3. the present invention, in defrosting mode operation, heating load and defrosting heat consumption realization are separately controlled, system is greatly improved
Stabilization, efficiently, safe operation.
Detailed description of the invention
Fig. 1 is structural schematic diagram provided by the invention；
Fig. 2 is the outdoor finned tube exchanger top view of the present invention；
Fig. 3 is the outdoor finned tube exchanger side view of the present invention；
Fig. 4 is the outdoor finned tube exchanger A-A cross-sectional view of the present invention.
In figure, compressor 1, indoor finned tube exchanger 2, electric expansion valve 3, outdoor finned tube exchanger 4, four-way commutation
Valve 5, gas-liquid separator 6, electric heating wire 7, electric heating tube 8, the 6th solenoid valve 9, third solenoid valve 10, the first solenoid valve 11,
Two solenoid valves 12, the 5th solenoid valve 14, liquid collecting distributer 15, lug boss 151, fin 152, are collected the 4th solenoid valve 13
Channel 16, liquid are evenly distributed with channel 17, condensed water interface 18.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
As shown in Figs 1-4, this energy-saving comfortable air conditioner with separate hot pump system, including compressor 1, compressor 1 pass through pipeline
Successively it is connected with four-way reversing valve 5, indoor finned tube exchanger 2 and electric expansion valve 3,3 export pipeline of electric expansion valve is divided into
Two-way is connected with the first solenoid valve 11 and 6 inlet ductwork of gas-liquid separator by pipeline all the way, and another way passes through pipeline and the
Two solenoid valves 12 are connected, and are divided into two-way on 12 export pipeline of second solenoid valve, gentle by pipeline and third solenoid valve 10 all the way
6 export pipeline of liquid/gas separator is connected, and another way is successively connected with outdoor finned tube exchanger 4 and four-way reversing valve 5 by pipeline,
It is divided into two-way on 5 export pipeline of four-way reversing valve, passes through pipeline and 1 inlet ductwork phase of the 4th solenoid valve 13 and compressor all the way
Even, another way is connected by pipeline with the 5th solenoid valve 14 and 6 inlet ductwork of gas-liquid separator, 6 export pipeline of gas-liquid separator
It is connected with the 6th solenoid valve 9 and 1 inlet ductwork of compressor, and is equipped at the top of outdoor finned tube exchanger 4 and is changed with indoor finned tube
The connected liquid collecting distributer 15 of hot device 2.This system can be recycled sufficiently in summer operation and be changed using indoor finned tube
Hot 2 condensed water of device not only solves existing SPLIT AIR-CONDITIONING SYSTEM condensed water direct emission and causes energy waste, and can reduce
The condensation temperature of outdoor finned tube exchanger 4 improves system COP.
Further, 6 bottom of gas-liquid separator here is provided with electric heating tube 8.This system is under the heat supply mode that defrosts
When operation, the gas-liquid two-phase cold-producing medium of the low-temp low-pressure after the throttling of electric expansion valve 3 does not enter outdoor finned tube heat exchange
Device 4 carries out heat absorption evaporation, but is directly entered gas-liquid separator 6 by switching different solenoid valves, using in gas-liquid separator 6
Electric heating tube 8 carry out heating vaporization liquid refrigerant, wherein the heating power of electric heating tube 8 is controlled by indoor load
System.Wherein, electric heating wire 7 is provided on the pipeline that second solenoid valve 12 here is connected with third solenoid valve 10.Obviously, in gas
Liquid/gas separator 6, which exports, is provided with electric heating wire 7 on the branch pipe for leading to 4 import of outdoor finned tube exchanger, main purpose is this
When system is run under the heat supply mode that defrosts, the saturation refrigerant vapour come out from gas-liquid separator 6 is heated, for outdoor finned tube
The defrosting of heat exchanger 4 provides required heat, and the heating power of electric heating wire exports refrigerant superheat by outdoor finned tube exchanger 4
Degree is controlled.When running in winter in this way, which may be implemented not only to be not required to indoor heat absorption in defrost mode, and
It can be with continual to indoor feeding hot wind, to guarantee the thermal environment of indoor comfortable.
Further, in order to realize the collection and distribution of condensed water, liquid collecting distributer 15 here has at least one
A collection channel 16, and if collection channel 16 be evenly distributed with channel 17 with dry liquids respectively and be connected, 16 one end of collection channel has solidifying
It bears water interface 18, is equipped with water-collecting tray below the radiating fin of indoor finned tube exchanger 2, and water-collecting tray is and condensed water interface 18
It is connected.Wherein, liquid collecting distributer 15 includes several lug bosses 151 in dentation, and lug boss 151 is sequentially distributed setting
It is evenly distributed with channel 17 to form jagged liquid, liquid is evenly distributed with channel 17 and is respectively formed between two neighboring lug boss 151,
And the fin 152 of outdoor finned tube exchanger 4 is separately positioned on liquid and is evenly distributed in channel 17.
Preferably, the fin 152 of outdoor finned tube exchanger 4 here is arranged by welding manner in two neighboring protrusion
Between portion 151, and the height of fin 152 of outdoor finned tube exchanger 4 and the height of lug boss 151 flush.It can protect in this way
Demonstrate,proving liquid can be along fin surface Uniform Flow.Preferably, outdoor finned tube exchanger 4 here has several fins sets,
And each fins set has several successively spaced set fins 152, and collection channel 16 is formed in two adjacent fins group
Between.
Increase the power-equipments such as water pump, atomizer without additional in this way, does not increase air-conditioning use and manufacturing cost substantially
Under the premise of, the mounting height using indoor external heat exchanger is poor, by the condensing hot air furnace of indoor finned tube exchanger 2 to being mounted on
In the liquid collecting distributer 15 at 4 top of outdoor finned tube exchanger, by liquid collecting distributer 15 by the condensed water of recycling
It is distributed to outdoor 4 fin surface of finned tube exchanger, condensed water evaporates while flowing along fin surface, latent using evaporation
The heat of partial air and fin surface is walked in the torrid zone, to reduce system condensing temperature, improves air-conditioner set summer operation
COP。
Energy-saving comfortable air conditioner with separate hot pump control method in the present embodiment, comprising the following steps:
A, when summer operation, system is in refrigeration mode, opens the 6th solenoid valve 9, second solenoid valve 12, the 5th solenoid valve
14, close third solenoid valve 10, the first solenoid valve 11, the 4th solenoid valve 13；The refrigerant for the high temperature and pressure that compressor 1 exports steams
Vapour enters the liquid that high temperature and pressure is condensed into outdoor finned tube exchanger 4, and the refrigerant liquid of high temperature and pressure passes through electronics
Expansion valve 3 becomes the gas-liquid two-phase cold-producing medium of low-temp low-pressure after throttling, the gas-liquid two-phase cold-producing medium of low-temp low-pressure enters interior
Finned tube exchanger 2 becomes the gaseous refrigerant of low-temp low-pressure after absorbing heat, the gaseous refrigerant of low-temp low-pressure is sucked by compressor 1
The gaseous refrigerant for being compressed into high temperature and pressure afterwards forms a refrigeration cycle；
In refrigerative circle system, since indoor 2 surface fin temperature of finned tube exchanger is lower than room air dew point temperature
It spends, the Water vapor condensation Cheng Shuihou in room air is entered in water-collecting tray, is entered under gravity by pipeline embedding
Enter in the liquid collecting distributer 15 at outdoor 4 top of finned tube exchanger, collection of the condensed water in liquid collecting distributer 15
It is flowed in channel 16, and channel 17 is evenly distributed with by the sawtooth pattern liquid on 16 both sides of collection channel and is distributed to outdoor finned tube exchanger
4 152 surface of fin, the membranaceous flow evaporation using liquid on 152 surface of fin make full use of condensed water low temperature cooling capacity and
The latent heat of vaporization of liquid evaporation improves the COP of unit in summer operation, energy saving.
B, when winter operation, system is in heating mode, and four-way reversing valve 5 commutates, and opens simultaneously the 6th solenoid valve 9, the
Two solenoid valves 12, the 5th solenoid valve 14 close third solenoid valve 10, the first solenoid valve 11, the 4th solenoid valve 13；Compressor 1 goes out
Mouthful the refrigerant vapour of high temperature and pressure enter in indoor finned tube exchanger 2, by indoor exothermic condensation at high temperature height
The refrigerant liquid of the liquid of pressure, high temperature and pressure becomes the gas-liquid two-phase refrigeration of low-temp low-pressure after the throttling of electric expansion valve 3
Agent, the gas-liquid two-phase cold-producing medium of low-temp low-pressure enter the gaseous state system for becoming low-temp low-pressure after outdoor finned tube exchanger 4 absorbs heat
Cryogen, the gaseous refrigerant of low-temp low-pressure is compressed into high temperature and pressure gaseous refrigerant after being sucked by compressor 1 form a system
Thermal cycle.
When being run in winter due to heat pump air conditioner, when outdoor 4 surface temperature of finned tube exchanger is lower than outdoor air dew point
Temperature and when being lower than zero degree, outdoor 4 surface of finned tube exchanger will frosting, unit is just after frost thickness reaches certain thickness
It must defrost.
When winter operation, system is in defrosting heat supply mode, and four-way reversing valve 5 does not commutate, and simultaneously closes off the 6th solenoid valve
9, second solenoid valve 12, the 5th solenoid valve 14 open third solenoid valve 10, the first solenoid valve 11, the 4th solenoid valve 13, compressor
1 outlet high-temperature high-pressure refrigerant steam enter in indoor finned tube exchanger 2, by indoor exothermic condensation at high temperature height
The liquid refrigerant of pressure, the liquid refrigerant of high temperature and pressure become the gas-liquid two of low-temp low-pressure after the throttling of electric expansion valve 3
The gas-liquid two-phase cold-producing medium of phase refrigerant, low-temp low-pressure enters in gas-liquid separator 6 by the first solenoid valve 11, low temperature liquid system
Cryogen, which is electrically heated after pipe 8 heats in gas-liquid separator 6, becomes to be saturated gaseous refrigerant, and saturation gaseous refrigerant passes through third
It is electrically heated silk 7 after solenoid valve 10 to be heated into the laggard external finned tube heat exchanger 4 of entering the room of high temperature liquid refrigerant, high-temperature gas system
Cryogen, which is released after heat becomes cryogenic gaseous refrigerant delivery chamber external finned tube heat exchanger 4, enters compressor 1, is compressed into high temperature height
The gaseous refrigerant of pressure forms a circulation, until outdoor 4 surface frost layer whole purifying assembly of finned tube exchanger switches to system
Heat pattern.Under the heat supply mode that defrosts, the control defrosting heat consumption of electric heating wire 7 is exported by measuring chamber external finned tube heat exchanger 4
The degree of superheat of refrigerant adjusts the heating electric power of electric heating wire 7；Electric heating tube 8 controls the heating load of heat pump unit, passes through
The heating power for adjusting electric heating tube 8 carrys out adjusting heat pump Air Conditioning Cycle refrigerant flow, to adjust unit heating load.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although compressor 1, indoor finned tube exchanger 2, electric expansion valve 3, outdoor finned tube is used more herein
Heat exchanger 4, four-way reversing valve 5, gas-liquid separator 6, electric heating wire 7, electric heating tube 8, the 6th solenoid valve 9, third solenoid valve 10,
First solenoid valve 11, second solenoid valve 12, the 4th solenoid valve 13, the 5th solenoid valve 14, liquid collecting distributer 15, lug boss
151, fin 152, collection channel 16, liquid are evenly distributed with the terms such as channel 17, condensed water interface 18, but are not precluded and use other arts
A possibility that language.The use of these items is only for be more convenient to describe and explain essence of the invention；It is construed as
Any additional limitation is disagreed with spirit of that invention.
Claims (10)
1. a kind of energy-saving comfortable air conditioner with separate hot pump system, including compressor (1), which is characterized in that the compressor (1)
Successively it is connected with four-way reversing valve (5), indoor finned tube exchanger (2) and electric expansion valve (3) by pipeline, the electronics
Expansion valve (3) export pipeline is divided into two-way, passes through pipeline and the first solenoid valve (11) and gas-liquid separator (6) inlet tube all the way
Road is connected, and another way is connected by pipeline with second solenoid valve (12), is divided on the second solenoid valve (12) export pipeline
Two-way is connected with third solenoid valve (10) and gas-liquid separator (6) export pipeline by pipeline all the way, another way pass through pipeline according to
It is secondary to be connected with outdoor finned tube exchanger (4) and four-way reversing valve (5), divide on described four-way reversing valve (5) export pipeline
For two-way, it is connected all the way by pipeline with the 4th solenoid valve (13) and the compressor (1) inlet ductwork, another way passes through pipe
Road is connected with the 5th solenoid valve (14) and the gas-liquid separator (6) inlet ductwork, the gas-liquid separator (6)
Export pipeline is connected with the 6th solenoid valve (9) and compressor (1) inlet ductwork, and outdoor finned tube exchanger (4) top
Portion is equipped with the liquid collecting distributer (15) being connected with indoor finned tube exchanger (2).
2. energy-saving comfortable air conditioner with separate hot pump system according to claim 1, which is characterized in that the gas-liquid separator
(6) bottom is provided with electric heating tube (8).
3. energy-saving comfortable air conditioner with separate hot pump system according to claim 2, which is characterized in that the second solenoid valve
(12) electric heating wire (7) are provided on the pipeline being connected with third solenoid valve (10).
4. the according to claim 1 or 2 or 3 energy-saving comfortable air conditioner with separate hot pump systems, which is characterized in that the liquid
Collecting distributor (15) has at least one collection channel (16), and the collection channel (16) with dry liquids if be evenly distributed with respectively
Channel (17) is connected, and the collection channel (16) one end has condensed water interface (18), the indoor finned tube heat exchange
Water-collecting tray is equipped with below the radiating fin of device (2), and the water-collecting tray is connected with condensed water interface (18).
5. energy-saving comfortable air conditioner with separate hot pump system according to claim 4, which is characterized in that the liquid, which is collected, to be divided
Cloth device (15) includes several lug bosses (151) in dentation, and the lug boss (151) is sequentially distributed setting to form saw
The liquid of dentation is evenly distributed with channel (17), the liquid be evenly distributed with channel (17) be respectively formed in two neighboring lug boss (151) it
Between, and the fin (152) of the outdoor finned tube exchanger (4) is separately positioned on liquid and is evenly distributed in channel (17).
6. energy-saving comfortable air conditioner with separate hot pump system according to claim 5, which is characterized in that the outdoor finned tube
The fin (152) of heat exchanger (4) is arranged between two neighboring lug boss (151) by welding manner, and the outdoor wing
The height of the fin (152) of piece heat exchange of heat pipe (4) and the height of lug boss (151) flush.
7. energy-saving comfortable air conditioner with separate hot pump system according to claim 5, which is characterized in that the outdoor finned tube
Heat exchanger (4) has several fins sets, and each fins set has several successively spaced set fins (152), and institute
The collection channel (16) stated is formed between two adjacent fins group.
8. a kind of energy conservation of energy-saving comfortable air conditioner with separate hot pump system according to any one of claims 1-7 is comfortable
Type air conditioner with separate hot pump control method, which is characterized in that this method the following steps are included:
A, when summer operation, system is in refrigeration mode, opens the 6th solenoid valve (9), second solenoid valve (12), the 5th solenoid valve
(14), third solenoid valve (10), the first solenoid valve (11), the 4th solenoid valve (13) are closed；The high temperature and pressure of compressor (1) outlet
Refrigerant vapour enter the liquid that high temperature and pressure is condensed into outdoor finned tube exchanger (4), the refrigerant of high temperature and pressure
Liquid becomes the gas-liquid two-phase cold-producing medium of low-temp low-pressure, the gas-liquid two-phase system of low-temp low-pressure after electric expansion valve (3) throttle
Cryogen enters the gaseous refrigerant for becoming low-temp low-pressure after indoor finned tube exchanger (2) absorb heat, the gaseous state system of low-temp low-pressure
Cryogen is compressed into high temperature and pressure gaseous refrigerant after being sucked by compressor (1) forms a refrigeration cycle；
B, when winter operation, system is in heating mode, four-way reversing valve (5) commutation, opens simultaneously the 6th solenoid valve (9), the
Two solenoid valves (12), the 5th solenoid valve (14) close third solenoid valve (10), the first solenoid valve (11), the 4th solenoid valve (13)；
The refrigerant vapour of high temperature and pressure of compressor (1) outlet enters in indoor finned tube exchanger (2), by indoor heat release
It is condensed into the liquid of high temperature and pressure, the refrigerant liquid of high temperature and pressure becomes low-temp low-pressure after electric expansion valve (3) throttling
Gas-liquid two-phase cold-producing medium, the gas-liquid two-phase cold-producing medium of low-temp low-pressure enter outdoor finned tube exchanger (4) heat absorption after becomes
The gaseous refrigerant of the gaseous refrigerant of low-temp low-pressure, low-temp low-pressure is compressed into the gas of high temperature and pressure after compressor (1) sucking
State refrigerant forms a heating circulation.
9. energy-saving comfortable air conditioner with separate hot pump control method according to claim 8, which is characterized in that in step,
In refrigerative circle system, since indoor finned tube exchanger (2) surface fin temperature is lower than room air dew-point temperature, Interior Space
Water vapor condensation Cheng Shuihou in gas is entered in water-collecting tray, is entered by pipeline be embedded in outdoor wing under gravity
In liquid collecting distributer (15) at the top of piece heat exchange of heat pipe (4), collection channel of the condensed water in liquid collecting distributer (15)
(16) flowing in, and channel (17) is evenly distributed with by the sawtooth pattern liquid on collection channel (16) both sides and is distributed to outdoor finned tube heat exchange
Fin (152) surface of device (4), and membranaceous flowing is formed on fin (152) surface.
10. energy-saving comfortable air conditioner with separate hot pump control method according to claim 8, which is characterized in that in stepb,
When winter operation, system is in defrosting heat supply mode, and four-way reversing valve (5) do not commutate, and simultaneously closes off the 6th solenoid valve (9), the
Two solenoid valves (12), the 5th solenoid valve (14) open third solenoid valve (10), the first solenoid valve (11), the 4th solenoid valve (13),
The high-temperature high-pressure refrigerant steam of compressor (1) outlet enters in indoor finned tube exchanger (2), by cold to indoor heat release
The liquid refrigerant of high temperature and pressure is congealed into, the liquid refrigerant of high temperature and pressure becomes low temperature after electric expansion valve (3) throttling
The gas-liquid two-phase cold-producing medium of the gas-liquid two-phase cold-producing medium of low pressure, low-temp low-pressure enters gas-liquid separator by the first solenoid valve (11)
(6) in, low temperature liquid refrigerant becomes to be saturated gaseous refrigerant after being electrically heated pipe (8) heating in gas-liquid separator (6), satisfies
It is electrically heated after third solenoid valve (10) with gaseous refrigerant after silk (7) is heated into high temperature liquid refrigerant and enters outdoor wing
In piece heat exchange of heat pipe (4), high temperature liquid refrigerant releases heat and becomes cryogenic gaseous refrigerant delivery chamber external finned tube heat exchanger
(4) enter compressor (1) afterwards, be compressed into the gaseous refrigerant of high temperature and pressure, form a circulation, until outdoor finned tube exchanges heat
Device (4) surface frost layer whole purifying assembly switches to heating mode.
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| CN201810791256.7A CN109163471B (en) | 2018-07-18 | 2018-07-18 | Energy-saving comfortable type split heat pump air conditioning system and control method thereof |
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| CN201810791256.7A CN109163471B (en) | 2018-07-18 | 2018-07-18 | Energy-saving comfortable type split heat pump air conditioning system and control method thereof |
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| CN111023615A (en) * | 2019-12-31 | 2020-04-17 | 杭州三花微通道换热器有限公司 | Heat exchange system |
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| WO2021135990A1 (en) * | 2019-12-31 | 2021-07-08 | 杭州三花微通道换热器有限公司 | Heat exchange system |
| CN113320350A (en) * | 2021-06-02 | 2021-08-31 | 浙江吉利控股集团有限公司 | Heat pump air conditioning system and vehicle that need not switching-over |
| CN114427716A (en) * | 2022-02-16 | 2022-05-03 | 珠海格力电器股份有限公司 | Condensed water recycling device and air conditioner outdoor unit with same |
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| CN109163471B (en) | 2024-04-05 |
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