CN107192158A - Air conditioner increasing enthalpy system and the air-conditioner with fixed frequency with it - Google Patents
Air conditioner increasing enthalpy system and the air-conditioner with fixed frequency with it Download PDFInfo
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- CN107192158A CN107192158A CN201710441741.7A CN201710441741A CN107192158A CN 107192158 A CN107192158 A CN 107192158A CN 201710441741 A CN201710441741 A CN 201710441741A CN 107192158 A CN107192158 A CN 107192158A
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- refrigerant
- mechanical valve
- air conditioner
- increasing enthalpy
- tonifying
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/05—Cost reduction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides air conditioner increasing enthalpy system and the air-conditioner with fixed frequency with it.Air conditioner increasing enthalpy system includes：Compressor, with gas supplementing opening, flash evaporation has exhaust outlet, and one end of tonifying Qi pipeline is connected with gas supplementing opening, and the other end of tonifying Qi pipeline is connected with exhaust outlet, and flash evaporation carries out tonifying Qi by blowdown pipe road direction compressor.Mechanical valve is arranged on tonifying Qi pipeline, and the aperture of mechanical valve is adjustably set according to the pressure differential at the two ends of mechanical valve.Mechanical valve is arranged on the tonifying Qi pipeline between compressor and flash evaporation, and utilize the Stress control mechanical valve of refrigerant in tonifying Qi pipeline, the aperture of the mechanical valve is adjusted in real time according to pressure working condition in the pipeline of air-conditioner system, heating and refrigeration performance for air conditioner is effectively improved.Meanwhile, it is capable to avoid magnetic valve of the prior art from needing extra setting mainboard and connecting line to cause the problem of air conditioner production cost is high.Significantly reduce the production cost of the air conditioner with the increasing enthalpy system.
Description
Technical field
The present invention relates to air-conditioner device technical field, in particular to a kind of air conditioner increasing enthalpy system and with it
Air-conditioner with fixed frequency.
Background technology
Traditional air-conditioner with fixed frequency is frequently with single stage compress system, and reason is simple in construction, and cost is relatively low.But in superhigh temperature and
Ultralow temperature area, because pressure ratio is big when single-stage compressor is run, refrigerant flow is low, and ability significantly decays.Compared to conventional system,
Two-stage Compression Gas-supplying enthalpy-increasing system has the advantages that compression ratio is small, delivery temperature is low, high cooling efficiency.But Two-stage Compression increasing enthalpy
System needs to realize increasing enthalpy control by electric expansion valve, temperature-sensitive bag, electromagnetism two-port valve, control mainboard etc..Moreover, only applying at present
In convertible frequency air-conditioner.And fixed frequency air conditioner is due to simple in construction, if realizing that increasing enthalpy controls needs using the control program of frequency changer
Increase the parts such as temperature-sensitive bag, magnetic valve, mainboard, connecting line, cause air conditioner production cost height, low production efficiency, economic benefit
Poor situations such as.
Generally, the increasing enthalpy circulatory system is controlled using the combination of electromagnetic type stop valve, temperature-sensitive bag and control panel,
It is with high costs and control is complicated so that the increasing enthalpy system complicated and needing sets special software control logic, and not
It is easy to installation and maintenance after sale.The set-up mode of the stop valve especially used in the prior art so that the cut-off in increasing enthalpy system
Either valve is closed, or in open mode, i.e., using stop valve set-up mode in the prior art, stop valve is opened
Degree can not be adjusted, the problem of easily causing the refrigeration of air conditioner or heat difference.
The content of the invention
It is a primary object of the present invention to provide a kind of air conditioner increasing enthalpy system and air-conditioner with fixed frequency with it, to solve
The problem of air conditioner freezes or heats difference in increasing enthalpy system in the prior art.
To achieve these goals, according to an aspect of the invention, there is provided a kind of air conditioner increasing enthalpy system, including：
Compressor, with gas supplementing opening；Flash evaporation, with exhaust outlet；Tonifying Qi pipeline, one end of tonifying Qi pipeline is connected with gas supplementing opening, mends
The other end of air pipe is connected with exhaust outlet, and flash evaporation in blowdown pipe road direction compressor by being passed through refrigerant to carry out tonifying Qi；
Mechanical valve, is arranged on tonifying Qi pipeline, and the aperture of mechanical valve is adjustably set according to the pressure differential at the two ends of mechanical valve.
Further, the design pressure parameter of mechanical valve is obtained by below equation during the aperture standard-sized sheet of mechanical valve： Wherein, K is pressure design parameter；P1 is low-pressure designs pressure；P2 is strong design pressure；P0 is mechanical valve
The design pressure parameter of mechanical valve during aperture standard-sized sheet.
Further, the aperture of mechanical valve is obtained by below equation：M=(Px-P0)/a, wherein, M opens for mechanical valve
Degree；Px is the real-time pressure value of close flash evaporation one end of tonifying Qi pipeline；A is mechanical valve designs parameter.
Further, as M≤- 1, mechanical valve is closed；As -1 ＜ M ＜ 0, mechanical valve is according to tonifying Qi pipeline
Pressure value be in partially open mode；As 0≤M, mechanical valve is in full open position.
Further, 0.05≤a≤0.2, wherein, a is mechanical valve designs parameter.
Further, 0.95≤K≤1.05, wherein, K is pressure design parameter.
Further, refrigerant includes one kind in R410A, R22, R32, R290, R134a；Wherein, when refrigerant is R410A
When, 1.0MPa≤P1≤1.3MPa, or, when refrigerant is R22,0.6MPa≤P1≤0.8MPa, or, when refrigerant is R32
When, 1.0MPa≤P1≤1.3MPa, or, when refrigerant is R290,0.5MPa≤P1≤0.8Mpa, or, when refrigerant is
During R134a, 0.3MPa≤P1≤0.5Mpa.
Further, when refrigerant is R410A, 3.0MPa≤P2≤3.9MPa, or, when refrigerant is R22,1.9MPa
≤ P2≤2.5MPa, or, when refrigerant is R32,3.1MPa≤P2≤4.0MPa, or, when refrigerant is R290,1.7MPa
≤ P2≤2.2Mpa, or, when refrigerant is R134a, 1.3MPa≤P2≤1.7Mpa.
Further, when refrigerant is R410A, 1.6MPa≤P0≤2.4MPa, or, when refrigerant is R22,1.0MPa
≤ P0≤1.5MPa, or, when refrigerant is R32,1.6MPa≤P0≤2.4MPa, or, when refrigerant is R290,0.8MPa
≤ P0≤1.4Mpa, or, when refrigerant is R134a, 0.5MPa≤P0≤1.0Mpa.
Further, compressor is compound compressor.
According to another aspect of the present invention there is provided a kind of air-conditioner with fixed frequency, including air conditioner increasing enthalpy system, air conditioner increasing
Enthalpy system is above-mentioned air conditioner increasing enthalpy system.
Apply the technical scheme of the present invention, mechanical valve is arranged on the tonifying Qi pipeline between compressor and flash evaporation, and
Utilize the Stress control mechanical valve of refrigerant in tonifying Qi pipeline so that the aperture of the mechanical valve can be according to the pipeline of air-conditioner system
Middle pressure working condition is adjusted in real time, is effectively improved heating and refrigeration performance for air conditioner.Meanwhile, it is capable to avoid using
Magnetic valve of the prior art needs extra setting mainboard and connecting line to cause the problem of air conditioner production cost is high.Using the sky
Device increasing enthalpy system is adjusted, the production cost of the air conditioner with the increasing enthalpy system can be significantly reduced.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the structural representation of the embodiment of the increasing enthalpy system according to the present invention；
Fig. 2 shows the Gas-supplying enthalpy-increasing effect diagram of compressor.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
10th, compressor；20th, evaporator；30th, flash evaporation；40th, condenser；50th, choke valve；60th, four-way valve；70th, it is mechanical
Valve.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
It should be noted that term " first ", " second " in the description and claims of this application and accompanying drawing etc.
It is for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that the art so used
Language can be exchanged in the appropriate case, so that presently filed embodiment described herein for example can be with except illustrating herein
Or the order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Covering is non-exclusive to be included, for example, containing process, method, system, product or the equipment of series of steps or unit need not limit
In those steps or unit for clearly listing, but may include not list clearly or for these processes, method, production
Product or the intrinsic other steps of equipment or unit.
For the ease of description, space relative terms can be used herein, such as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation levied.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.If for example, the device in accompanying drawing is squeezed, be described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary
Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be appreciated that thesing embodiments are provided so that disclosure herein is thoroughly and complete, and these are shown
The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, it is possible to expand
The big thickness of layer and region, and make identical device is presented with like reference characters, thus they are retouched by omitting
State.
With reference to shown in Fig. 1 and Fig. 2, there is provided a kind of air conditioner increasing enthalpy system for embodiments in accordance with the present invention.
Specifically, as shown in figure 1, should include air conditioner increasing enthalpy system includes compressor 10, flash evaporation 30 and mechanical valve
70.Compressor 10 has gas supplementing opening.Flash evaporation 30 has exhaust outlet, and one end of tonifying Qi pipeline is connected with gas supplementing opening, blowdown pipe
The other end on road is connected with exhaust outlet, and flash evaporation in blowdown pipe road direction compressor by being passed through refrigerant to carry out tonifying Qi.Machinery
Valve 70 is arranged on tonifying Qi pipeline, and the aperture of mechanical valve 70 is adjustably set according to the pressure differential of the two ends refrigerant of mechanical valve.
In the present embodiment, mechanical valve 70 is arranged on the tonifying Qi pipeline between compressor 10 and flash evaporation 20, and profit
With the Stress control mechanical valve 70 of refrigerant in tonifying Qi pipeline so that the aperture of the mechanical valve 70 can be according to the pipe of air-conditioner system
Pressure working condition is adjusted in real time in road, is effectively improved heating and refrigeration performance for air conditioner.Meanwhile, it is capable to avoid adopting
Extra setting mainboard and connecting line is needed to cause the problem of air conditioner production cost is high with magnetic valve of the prior art.Using this
Air conditioner increasing enthalpy system, can significantly reduce the production cost of the air conditioner with the increasing enthalpy system.
Wherein, the aperture of mechanical valve 70 is obtained by below equation：M=(Px-P0)/a, M are the aperture of mechanical valve 70, Px
For the real-time pressure value of close flash evaporation one end of tonifying Qi pipeline, the design of mechanical valve when P0 is the aperture standard-sized sheet of mechanical valve 70
Pressure parameter, a is the design parameter of mechnisiam 0.
As M≤- 1, mechanical valve 70 is closed, as -1 ＜ M ＜ 0, and mechanical valve 70 is according to the pressure of tonifying Qi pipeline
Force value is in partially open mode, as 0≤M, and mechanical valve 70 is in full open position.So setting can be according to air conditioner
Internal pressure in pipe-line system is adjusted to the aperture of mechanical valve 70 so that pass through the adaptive adjustment of mechanical valve 70 itself
The aperture of mechanical valve 70 come to adjust by the aperture of the adaptive adjustment mechanical valve 70 of mechanical valve 70 itself system to pressure
The air compensation of contracting machine, improves the complete machine efficiency of system.
Preferably, 0.05≤a≤0.2, wherein, a is mechanical valve designs parameter.Mechanical valve can be effectively improved by so setting
The adjustable reliability of aperture is realized during 70 operation.
Specifically, P0 is obtained by below equation：Wherein, K is pressure design parameter, and P1 is low pressure
Design pressure, P2 is strong design pressure.K span is preferably：0.95≤K≤1.05.
In the present embodiment, refrigerant includes one kind in R410A, R22, R32, R290, R134a.Wherein, when refrigerant is
During R410A, 1.0MPa≤P1≤1.3MPa, or, when refrigerant is R22,0.6MPa≤P1≤0.8MPa, or, work as refrigerant
During for R32,1.0MPa≤P1≤1.3MPa, or, when refrigerant is R290,0.5MPa≤P1≤0.8Mpa, or, work as refrigerant
During for R134a, 0.3MPa≤P1≤0.5Mpa.
When refrigerant is R410A, 3.0MPa≤P2≤3.9MPa, or, when refrigerant is R22,1.9MPa≤P2≤
2.5MPa, or, when refrigerant is R32,3.1MPa≤P2≤4.0MPa, or, when refrigerant is R290,1.7MPa≤P2≤
2.2Mpa, or, when refrigerant is R134a, 1.3MPa≤P2≤1.7Mpa.
When refrigerant is R410A, 1.6MPa≤P0≤2.4MPa, or, when refrigerant is R22,1.0MPa≤P0≤
1.5MPa, or, when refrigerant is R32,1.6MPa≤P0≤2.4MPa, or, when refrigerant is R290,0.8MPa≤P0≤
1.4Mpa, or, when refrigerant is R134a, 0.5MPa≤P0≤1.0Mpa.
In the present embodiment, setting for mechanical valve 70 can be determined respectively according to the species of the refrigerant being passed through in air-conditioning system
Count parameter a, pressure design parameter K and low-pressure designs pressure P1, strong design pressure P2 and the aperture standard-sized sheet of mechanical valve 70
When tonifying Qi pipeline in pressure value P 0, so that it is determined that going out the aperture M of mechanical valve 70.
Preferably, in the present embodiment, compressor can be compound compressor, i.e., the compressor can use twin-stage pressure
Contracting machine, can effectively improve the refrigeration and heating performance of the air conditioner with the increasing enthalpy system.
Air conditioner increasing enthalpy system in above-described embodiment can be also used for air-conditioner device technical field, i.e., according to the present invention
Another aspect there is provided a kind of air-conditioner with fixed frequency.The air-conditioner with fixed frequency includes air conditioner increasing enthalpy system, air conditioner increasing enthalpy system
For the air conditioner increasing enthalpy system in above-described embodiment.Specifically, should include air conditioner increasing enthalpy system includes compressor 10, flash evaporation
30 and mechanical valve 70.Compressor 10 has gas supplementing opening.Flash evaporation 30 has exhaust outlet, one end and the gas supplementing opening phase of tonifying Qi pipeline
Connection, the other end of tonifying Qi pipeline is connected with exhaust outlet, and flash evaporation carries out tonifying Qi by blowdown pipe road direction compressor.Mechanical valve
70 are arranged on tonifying Qi pipeline, and the aperture of mechanical valve 70 according to setting the pressure adjustable of refrigerant in tonifying Qi pipeline.Wherein, the sky
Device is adjusted also to include evaporator 20, condenser 20 and the choke valve 50 and four-way valve 60 that are arranged in air-conditioner hose system.
In the present embodiment, mechanical valve 70 is arranged on the tonifying Qi pipeline between compressor 10 and flash evaporation 20, and profit
With the pressure differential control machinery valve 70 at the two ends of mechanical valve so that the aperture of the mechanical valve 70 can be according to the pipe of air-conditioner system
Pressure working condition is adjusted in real time in road, is effectively improved heating and refrigeration performance for air conditioner.Meanwhile, using mechanical valve
70 set-up mode, can avoid needing extra setting mainboard and connecting line to cause air conditioner using magnetic valve of the prior art
The problem of production cost is high.Using the air conditioner increasing enthalpy system, the air conditioner with the increasing enthalpy system can be significantly reduced
Production cost.
Specifically, in the present embodiment, compressor is double-stage compressor, generally, and the increasing enthalpy circulatory system is cut using electromagnetic type
Only valve, temperature-sensitive bag, the combination of control panel are controlled, complicated and need to set special logical control program,
So that the cost of air conditioner is high and controls complexity, installation and maintenance after sale are not easy to.
In the present embodiment, electromagnetic type stop valve is replaced using mechanical valve, mechanical valve is opened automatically by induction system pressure
Open or close valve element.The control process reduces related control element and electrically without the additionally element such as increase temperature-sensitive bag, mainboard
Circuit, has been effectively saved the production cost of air conditioner complete machine, while improving the production efficiency of air conditioner, improves air conditioner
The efficiency of installation and maintenance after sale.
Further, traditional electromagnet cut off valve can only realize the opening and closing of valve element, it is impossible to the unlatching of adjusting spool
Degree, and mechanical valve 70 in the present embodiment can be according to the valve element of air-conditioner system pressure change automatic adjusument mechanical valve 70
Opening degree, so as to adjust the air compensation of air conditioner increasing enthalpy system, systematic function is in optimum state.
Traditional electromagnet cut off valve needs power consumption, can increase system energy consumption, and uses the mechanical valve 70 of pressure self set-up type
Without power consumption, it is possible to reduce system power dissipation, the complete machine efficiency of air conditioner is effectively improved.
Gas-supplying enthalpy-increasing system circulation schematic diagram is as shown in Fig. 2 traditional twin-stage air compensating system is by experiencing temperature on the outside of compressor
Degree, compressor operating frequency and the opening/closing time for controlling aeration valve.Special tonifying Qi is needed using traditional twin-stage air compensating system
The control mainboard and software control logic of valve, easily cause opening by mistake or closing by mistake for aeration valve.Compressor is under low load condition
Uniting, intermediate pressure is relatively low, and under higher load condition, system intermediate pressure is higher, and mechanical valve 70, mechanical valve 70 are employed in such as Fig. 1
Control whether blowdown pipe carries out tonifying Qi to compressor by sensing the pressure of refrigerant inside air-conditioner system.
Using simple in construction, the practicality of the air conditioner increasing enthalpy system in the present embodiment, without setting control mainboard to machinery
Valve is controlled, so the situation for opening by mistake or closing in the absence of mechanical valve 70 by mistake.In addition, can be obtained from Fig. 2 Gas-supplying enthalpy-increasings pressure-enthalpy chart
Go out, ordinary single-stage systematic cyclic graph is 1 → 2 ' → 3 ' → 4 ', Gas-supplying enthalpy-increasing systematic cyclic graph is 1 → 7 → 6 → 2 → 3 → 4, when
Open after Gas-supplying enthalpy-increasing, Δ W=mi × (h2-h1) is increased relative to common compressor power consumption, so when system is in underload
Under running situation, if now carrying out tonifying Qi to compressor, complete machine efficiency can be influenceed on the contrary, it should which stopping is mended to compressor
Gas, so as to can ensure that complete machine can be maintained at optimal running status.However, due to the aeration valve used in the prior art
It is Voltage force switch or electric expansion valve, and Voltage force switch and electric expansion valve are easily closed or opened by mistake by mistake, and working as needs
When carrying out tonifying Qi to compressor, Voltage force switch or electric expansion valve are in off status by mistake, and working as needs to enter compressor
When row stops tonifying Qi, Voltage force switch or electric expansion valve are in and open by mistake state so that the efficiency of complete machine declines.Wherein, mi
For cold medium flux, the abscissa that h1 is in Fig. 21, the abscissa that h2 is in Fig. 22.
Than that described above, in addition it is also necessary to which explanation is " one embodiment ", " another implementation spoken of in this manual
Example ", " embodiment " etc., refer to that the specific features, structure or the feature that combine embodiment description are included in the application summary
Property description at least one embodiment in.It is not necessarily to refer to same reality that statement of the same race, which occur, in multiple places in the description
Apply example.Furthermore, it is understood that when describing a specific features, structure or feature with reference to any embodiment, what is advocated is knot
Other embodiment is closed to realize that this feature, structure or feature are also fallen within the scope of the present invention.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (11)
1. a kind of air conditioner increasing enthalpy system, it is characterised in that including：
Compressor, with gas supplementing opening；
Flash evaporation, with exhaust outlet；
Tonifying Qi pipeline, one end of the tonifying Qi pipeline is connected with the gas supplementing opening, the other end of the tonifying Qi pipeline with it is described
Exhaust outlet is connected, and the flash evaporation in compressor described in the blowdown pipe road direction by being passed through refrigerant to carry out tonifying Qi；
Mechanical valve, is arranged on the tonifying Qi pipeline, and the aperture of the mechanical valve is according to the pressure differential at the two ends of the mechanical valve
Adjustably set.
2. air conditioner increasing enthalpy system according to claim 1, it is characterised in that described in during the aperture standard-sized sheet of the mechanical valve
The design pressure parameter of mechanical valve is obtained by below equation：
Wherein,
K is pressure design parameter；
P1 is low-pressure designs pressure；
P2 is strong design pressure；
The design pressure parameter of mechanical valve when P0 is the aperture standard-sized sheet of the mechanical valve.
3. air conditioner increasing enthalpy system according to claim 2, it is characterised in that the aperture of the mechanical valve passes through following public affairs
Formula is obtained：
M=(Px-P0)/a, wherein,
M is the aperture of the mechanical valve；
Px is the real-time pressure value of close described flash evaporation one end of the tonifying Qi pipeline；
A is the mechanical valve designs parameter.
4. air conditioner increasing enthalpy system according to claim 3, it is characterised in that
As M≤- 1, the mechanical valve is closed；
As -1 ＜ M ＜ 0, the mechanical valve is in partially open mode according to the pressure value of the tonifying Qi pipeline；
As 0≤M, the mechanical valve is in full open position.
5. air conditioner increasing enthalpy system according to claim 3, it is characterised in that 0.05≤a≤0.2, wherein, a is described
Mechanical valve designs parameter.
6. air conditioner increasing enthalpy system according to claim 2, it is characterised in that 0.95≤K≤1.05, wherein, K is pressure
Design parameter.
7. air conditioner increasing enthalpy system according to claim 2, it is characterised in that the refrigerant include R410A, R22, R32,
One kind in R290, R134a；
Wherein, when the refrigerant is R410A, 1.0MPa≤P1≤1.3MPa, or,
When the refrigerant is R22,0.6MPa≤P1≤0.8MPa, or,
When the refrigerant is R32,1.0MPa≤P1≤1.3MPa, or,
When the refrigerant is R290,0.5MPa≤P1≤0.8Mpa, or,
When the refrigerant is R134a, 0.3MPa≤P1≤0.5Mpa.
8. air conditioner increasing enthalpy system according to claim 7, it is characterised in that
When the refrigerant is R410A, 3.0MPa≤P2≤3.9MPa, or,
When the refrigerant is R22,1.9MPa≤P2≤2.5MPa, or,
When the refrigerant is R32,3.1MPa≤P2≤4.0MPa, or,
When the refrigerant is R290,1.7MPa≤P2≤2.2Mpa, or,
When the refrigerant is R134a, 1.3MPa≤P2≤1.7Mpa.
9. the air conditioner increasing enthalpy system according to claim 7 or 8, it is characterised in that
When the refrigerant is R410A, 1.6MPa≤P0≤2.4MPa, or,
When the refrigerant is R22,1.0MPa≤P0≤1.5MPa, or,
When the refrigerant is R32,1.6MPa≤P0≤2.4MPa, or,
When the refrigerant is R290,0.8MPa≤P0≤1.4Mpa, or,
When the refrigerant is R134a, 0.5MPa≤P0≤1.0Mpa.
10. air conditioner increasing enthalpy system according to claim 1, it is characterised in that the compressor is compound compressor.
11. a kind of air-conditioner with fixed frequency, including air conditioner increasing enthalpy system, it is characterised in that the air conditioner increasing enthalpy system is right
It is required that the air conditioner increasing enthalpy system any one of 1 to 10.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710441741.7A CN107192158B (en) | 2017-06-12 | 2017-06-12 | Enthalpy increasing system of air conditioner and fixed-frequency air conditioner with enthalpy increasing system |
| PCT/CN2017/117908 WO2018227920A1 (en) | 2017-06-12 | 2017-12-22 | Enthalpy increasing system for air conditioner and non-inverter air conditioner having same |
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| CN108087238A (en) * | 2017-11-03 | 2018-05-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and with its air-conditioning system |
| WO2018227920A1 (en) * | 2017-06-12 | 2018-12-20 | 格力电器（武汉）有限公司 | Enthalpy increasing system for air conditioner and non-inverter air conditioner having same |
| CN109341153A (en) * | 2018-12-13 | 2019-02-15 | 珠海格力电器股份有限公司 | Coolant circulating system and refrigeration equipment |
| CN109357863A (en) * | 2018-11-26 | 2019-02-19 | 科希曼电器有限公司 | The test method of comprehensive pressure and the increasing enthalpy electronic expansion valve opening of temperature |
| CN109579365A (en) * | 2019-01-16 | 2019-04-05 | 珠海格力电器股份有限公司 | The adjustable compressor making-up air device of air compensation, method and air-conditioning |
| CN114576825A (en) * | 2020-11-30 | 2022-06-03 | 广东美的制冷设备有限公司 | Air conditioner control method, air conditioner and readable storage medium |
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| CN110701819A (en) * | 2019-10-16 | 2020-01-17 | 天津商业大学 | Three-working-condition system |
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Also Published As
| Publication number | Publication date |
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| WO2018227920A1 (en) | 2018-12-20 |
| CN107192158B (en) | 2023-07-14 |
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