CN107023959A - A kind of air conditioner and control method - Google Patents
A kind of air conditioner and control method Download PDFInfo
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- CN107023959A CN107023959A CN201710238975.1A CN201710238975A CN107023959A CN 107023959 A CN107023959 A CN 107023959A CN 201710238975 A CN201710238975 A CN 201710238975A CN 107023959 A CN107023959 A CN 107023959A
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- 238000000034 method Methods 0.000 title claims abstract description 58
- 239000003507 refrigerant Substances 0.000 claims abstract description 146
- 238000013459 approach Methods 0.000 claims abstract description 75
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 239000003245 coal Substances 0.000 claims description 98
- 238000007906 compression Methods 0.000 claims description 59
- 230000006835 compression Effects 0.000 claims description 58
- 239000007788 liquid Substances 0.000 claims description 47
- 230000008676 import Effects 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000004378 air conditioning Methods 0.000 abstract description 28
- 239000002826 coolant Substances 0.000 abstract description 11
- 238000005057 refrigeration Methods 0.000 description 13
- 238000007791 dehumidification Methods 0.000 description 12
- 230000007958 sleep Effects 0.000 description 12
- 230000008859 change Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000000476 thermogenic effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- 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
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- 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
- F24F11/64—Electronic processing using pre-stored data
-
- 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
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using 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
- 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
- F25B2313/02743—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using three four-way 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of air conditioner and control method, belong to air-conditioning technical field.The operational mode of variable conpacitance compressor includes Bi-level mode and twin-tub pattern, and the indoor set of air conditioner at least includes two heat exchange units；Control method includes：The target for obtaining indoor temperature and user's setting heats temperature；When temperature is not more than preset inside temperature thresholds indoors, control air conditioner is with twin-tub mode operation；Determine that indoor temperature heats the first temperature approach of temperature with target；When the first temperature approach is more than preset temperature difference threshold, two heat exchange units of control are run with heating mode.Control method of the present invention can be in the winter time under the relatively low situation of indoor temperature, the variable conpacitance compressor of air conditioner is controlled with twin-tub mode operation, and control two heat exchange units to be heated according to temperature difference, so that the coolant quantity demand when heat exchange unit that the refrigerant that variable conpacitance compressor is exported can meet air conditioner is heated, it is ensured that air conditioner can be run with optimal energy efficiency state.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of air conditioner and control method.
Background technology
Conventional air conditioner is the squeeze operation for carrying out increasing temperature and pressure to refrigerant using mechanical commprssor, such as piston mostly
Compressor, helical-lobe compressor, centrifugal compressor, the type such as linear compressor, can according to the compression cylinder quantity inside compressor
To be divided into single cylinder compressor, duplex cylinder compressor and multicylinder compressor, wherein, for cylinder body quantity no less than one twin-tub and
Multicylinder compressor, its compression process is, according to the order of connection between multiple cylinder bodies, to carry out multi-stage compression operation to refrigerant successively.
Air conditioner in normal operation, compressor often can only according to fixed single compressed ordered mode to refrigerant increasing temperature and pressure, but
It is due to the influence of many factors such as outdoor circumstance temperature, indoor temperature so that under different working conditions, air conditioner is to its compressor
Running frequency, compression efficiency etc. propose different requirements, therefore Conventional press is often deposited with its single compressed mode operation
In useless power consumption, it is impossible to the optimal efficiency running status of air conditioner.
The content of the invention
The invention provides a kind of air conditioner and control method, it is intended to lifts the work efficiency of air conditioner.In order to disclosing
Embodiment some aspect have a basic understanding, shown below is simple summary.The summarized section is not generally to comment
State, nor to determine key/critical component or describe the protection domain of these embodiments.Its sole purpose is with simple
Form some concepts are presented, in this, as the preamble of following detailed description.
According to the first aspect of the invention, a kind of control method of air conditioner is additionally provided, control method includes：Obtain room
Interior temperature and the target of user's setting heat temperature；When temperature is not more than preset inside temperature thresholds indoors, air-conditioning is controlled
Device with twin-tub mode operation, wherein, two compression cylinders of the variable conpacitance compressor of twin-tub pattern including air conditioner individually compress
The operational mode of refrigerant；Determine that indoor temperature heats the first temperature approach of temperature with target；It is more than in the first temperature approach preset
During temperature difference threshold, two heat exchange units of control are run with heating mode.
Further, control method also includes：Determine indoor temperature and the second temperature approach of inside temperature thresholds；According to
Two temperature approach, adjust the working frequency of variable conpacitance compressor.
Further, according to the second temperature approach, the working frequency of variable conpacitance compressor is adjusted, process includes：In 0≤Δ T2
＜ T2When, control variable conpacitance compressor is with the first working frequency H1Operation；In T2≤ΔT2When, control variable conpacitance compressor is with the
Two working frequency H2Operation；Wherein, Δ T2For the second temperature approach, T2For the first preset temperature threshold, H1＜ H2。
Further, control method also includes：Determine the 3rd temperature approach between the first temperature approach and temperature difference threshold；According to
3rd temperature approach, adjusts the rotating speed of the driving blower fan of each heat exchange unit.
Further, according to the 3rd temperature approach, the rotating speed of the driving blower fan of each heat exchange unit is adjusted, process includes：0
≤ΔT3＜ T3When, the driving blower fan of two heat exchange units is controlled with the first rotating speed R11Operation；In T3≤ΔT3When, control fortune two
The driving blower fan of individual heat exchange unit is with the second rotating speed R12Operation；Wherein, Δ T3For the 3rd temperature approach, T3For preset second temperature
Threshold value, R11＜ R12。
According to the second aspect of the invention, a kind of air conditioner is additionally provided, air conditioner has variable conpacitance compressor and control
Device processed, the operational mode of variable conpacitance compressor includes Bi-level mode and twin-tub pattern, and the indoor set of air conditioner at least includes two
Heat exchange unit, each heat exchange unit has single heat exchanger；Air conditioner also has the TEMP for being used for detecting indoor temperature
Device；Controller is used for：The target for obtaining indoor temperature and user's setting heats temperature；Determine that indoor temperature heats temperature with target
The first temperature approach；When temperature is not more than preset inside temperature thresholds indoors, control air conditioner variable conpacitance compressor with
Twin-tub mode operation, wherein, twin-tub pattern includes two independent compression refrigerants of compression cylinder of the variable conpacitance compressor of air conditioner
Operational mode；And when the first temperature approach is more than preset temperature difference threshold, two heat exchange units of control are with heating mode
Operation.
Further, air conditioner includes outdoor unit, and outdoor unit includes variable conpacitance compressor component, outdoor heat exchanger, transfiguration
Capacity compressor component includes variable conpacitance compressor and the first four-way valve；Outdoor heat exchanger includes the first refrigerant mouthful and the second refrigerant
Mouthful；Variable conpacitance compressor includes the first compression cylinder and the second compression cylinder, and the first compression cylinder has the first air inlet and the first outlet
Mouthful, the second compression cylinder has the second air inlet and the second gas outlet, wherein, the second gas outlet and the varying capacity pressure of the second compression cylinder
The exhaust outlet of contracting machine is connected；First four-way valve include valve body, the valve block for the valve pocket being arranged in valve body, and first interface,
Second interface, the 3rd interface and the 4th interface, valve block have connection first interface and second interface, connect the 3rd interface and the 4th
The first valve position of interface, connection second interface and the 3rd interface, the second valve position for blocking first interface and the 4th interface；Wherein,
Second interface is connected with the second air inlet, and the 3rd interface is connected with the first gas outlet, and the 4th interface is connected with exhaust outlet；
The variable conpacitance compressor of air conditioner is controlled with twin-tub mode operation, including：The valve block of the first four-way valve is controlled to switch to the first valve
Position.
Further, outdoor unit also includes the second four-way valve and the 3rd four-way valve, and the first gas-liquid separator and second
Gas-liquid separator；Indoor set includes the first heat exchange unit and the second heat exchange unit, wherein, it is indoor that the first heat exchange unit includes first
Heat exchanger, the second heat exchange unit includes the second indoor heat exchanger；First indoor heat exchanger passes through the second four-way valve and outdoor heat exchange
Device, the first gas-liquid separator, variable conpacitance compressor are connected, and constitute the first refrigerant circulation stream；Wherein, the first indoor heat exchanger
Including the first cold coal mouthful and the second cold coal mouthful；First gas-liquid separator includes the first import and first outlet；Second four-way valve bag
Include the valve block of valve body, the valve pocket being arranged in valve body, and first interface, second interface, the 3rd interface and the 4th interface, valve block
With connection first interface and second interface, connect the first valve position of the 3rd interface and the 4th interface, connect second interface and the
The second valve position of three interfaces, connection first interface and the 4th interface；The first interface of second four-way valve and the first indoor heat exchanger
The first cold coal mouthful connection, second interface is connected with the first import of the first gas-liquid separator, the 3rd interface and outdoor heat exchanger
The first cold coal mouthful connection, the exhaust outlet of the 4th interface and variable conpacitance compressor connects；Second cold coal of the first indoor heat exchanger
Mouth is connected with the second cold coal mouthful of outdoor heat exchanger；The first outlet of first gas-liquid separator and the first interface of the first four-way valve
It is connected.
Further, the second indoor heat exchanger passes through the 3rd four-way valve and outdoor heat exchanger, the second gas-liquid separator, transfiguration
Capacity compressor is connected, and constitutes the second refrigerant circulation stream；Wherein, the second indoor heat exchanger is cold including the first cold coal mouthful and second
Coal mouthful；Second gas-liquid separator includes the second import and second outlet；3rd four-way valve includes valve body, the valve being arranged in valve body
The valve block of chamber, and first interface, second interface, the 3rd interface and the 4th interface, valve block have connection first interface and second
The first valve position of interface, the 3rd interface of connection and the 4th interface, connection second interface and the 3rd interface, connects first interface and the
The second valve position of four interfaces；The first interface of 3rd four-way valve is connected with the first of the second indoor heat exchanger the cold coal mouthful, and second connects
Mouth is connected with the second import of the second gas-liquid separator, the first cold coal mouthful, the second cold coal mouthful of the 3rd interface and outdoor heat exchanger
Connect respectively, the exhaust outlet connection of the 4th interface and variable conpacitance compressor；Second cold coal mouthful of the second indoor heat exchanger and outdoor
Second cold coal mouthful connection of heat exchanger；The second outlet of second gas-liquid separator is connected with the first air inlet of the first compression cylinder
Connect；The first electromagnetism is provided with refrigerant pipeline between 3rd interface of the 3rd four-way valve and the first of outdoor heat exchanger the cold coal mouthful
The second electromagnetism is provided with valve, the refrigerant pipeline between the 3rd interface of the 3rd four-way valve and the second of outdoor heat exchanger the cold coal mouthful
Valve；The is provided with refrigerant pipeline between the second cold coal mouthful of second indoor heat exchanger and the second of outdoor heat exchanger the cold coal mouthful
Three magnetic valves；Set on refrigerant pipeline between second cold coal mouthful of the second cold coal mouthful and outdoor heat exchanger of the first indoor heat exchanger
It is equipped with the refrigerant pipe between first throttle valve, the second cold coal mouthful of the second cold coal mouthful and outdoor heat exchanger of the second indoor heat exchanger
Second throttle is provided with road.
Control method of the present invention in the winter time under the relatively low situation of indoor temperature, can control the variable conpacitance compressor of air conditioner
With twin-tub mode operation, and two heat exchange units are controlled to be heated according to temperature difference, so that variable conpacitance compressor institute is defeated
Coolant quantity demand when the heat exchange unit that the refrigerant gone out can meet air conditioner is heated, it is ensured that air conditioner can be with optimal efficiency
State is run.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
Can the limitation present invention.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the present invention
Example, and for explaining principle of the invention together with specification.
Fig. 1 is the flow chart of the control method of the present invention according to shown by an exemplary embodiment；
Fig. 2 is the structural representation of the air conditioner of the present invention according to shown by an exemplary embodiment.
Wherein, 1, outdoor unit；
11st, outdoor heat exchanger；111st, the first cold coal mouthful；112nd, the second cold coal mouthful；
12nd, variable conpacitance compressor；121st, the first compression cylinder；122nd, the second compression cylinder；123rd, first port；124th, the second end
Mouthful；125th, the 3rd port；126th, the 4th port；127th, exhaust outlet；
1211st, the first air inlet；1212nd, the first gas outlet；
1221st, the second air inlet；1222nd, the second gas outlet；
Because the first four-way valve, the second four-way valve and the 3rd four-way valve may be contained within multiple interfaces, therefore the present invention is not to
Interface with multiple same names of four-way valve is distinguish between using different references, specific as follows：
13rd, the first four-way valve；131st, first interface；132nd, second interface；133rd, the 3rd interface；134th, the 4th interface；
14th, the second four-way valve：141st, first interface；142nd, second interface；143rd, the 3rd interface；144th, the 4th interface；
15th, the 3rd four-way valve；151st, first interface；152nd, second interface；153rd, the 3rd interface；154th, the 4th interface；
16th, the first gas-liquid separator；161st, the first import；162nd, first outlet；
17th, the second gas-liquid separator；171st, the second import；162nd, second outlet；
181st, the first refrigerant branch road；182nd, the second refrigerant branch road；
191st, the first magnetic valve；192nd, the second magnetic valve；193rd, the 3rd magnetic valve；
2nd, indoor set；
Because outdoor heat exchanger, the first indoor heat exchanger and the second indoor heat exchanger may be contained within multiple cold coals mouthful, therefore
The present invention is distinguish between to the refrigerant mouthful of multiple same names of various heat exchange device using different references, specific as follows：
21st, the first indoor heat exchanger；211st, the first refrigerant mouthful；212nd, the second cold coal mouthful；
22nd, the second indoor heat exchanger；221st, the first cold coal mouthful；222nd, the second refrigerant mouthful；
23rd, first throttle valve；24th, second throttle.
Embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Put into practice them.Other embodiments can include structure, logic, electric, process and other changes.Embodiment
Only represent possible change.Unless explicitly requested, otherwise single components and functionality is optional, and the order operated can be with
Change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The scope of bright embodiment includes the gamut of claims, and claims is all obtainable equivalent
Thing.Herein, each embodiment individually or can be represented generally with term " invention ", and it is convenient that this is used for the purpose of,
And if in fact disclosing the invention more than one, the scope for being not meant to automatically limit the application is any single invention
Or inventive concept.Herein, such as first and second or the like relational terms be used only for by an entity or operation with
Another entity or operation make a distinction, without requiring or implying between these entities or operation there is any actual relation
Or order.Moreover, term " comprising ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that
So that process, method or equipment including a series of key elements not only include those key elements, but also including being not expressly set out
Other key elements, or also include for this process, method or the intrinsic key element of equipment.In the feelings of not more limitations
Under condition, the key element limited by sentence "including a ...", it is not excluded that in the process including the key element, method or equipment
In also there is other identical element.Each embodiment herein is described by the way of progressive, and each embodiment is stressed
Be all between difference with other embodiment, each embodiment identical similar portion mutually referring to.For implementing
For example disclosed method, product etc., because it is corresponding with method part disclosed in embodiment, so the comparison of description is simple
Single, related part is referring to method part illustration.
As shown in figure 1, the invention discloses a kind of control method of air conditioner, being controlled available under worst cold case in the winter time
The step of air conditioner carries out heating operation, control method to indoor environment specifically includes：S101, acquisition indoor temperature and user set
Fixed target heats temperature；When S102, indoors temperature are not more than preset inside temperature thresholds, control air conditioner is with twin-tub mould
Formula is run, wherein, twin-tub pattern includes the operation of two independent compression refrigerants of compression cylinder of the variable conpacitance compressor of air conditioner
Pattern；S103, determine that indoor temperature and target heat the first temperature approach of temperature；S104, the first temperature approach be more than it is preset
During temperature difference threshold, two heat exchange units of control are run with heating mode.Two heat exchange units of air conditioner are heated by operation
Pattern, can carry out heating heating to indoor environment, accelerate indoor temperature and reach that target heats temperature, improve making for user jointly
With experience.
In above-mentioned control method, air conditioner is compressed using variable conpacitance compressor to refrigerant, in embodiment, varying capacity pressure
Contracting machine is two-cylinder type compressor, and its operational mode includes Bi-level mode and twin-tub pattern.Wherein, Bi-level mode is that refrigerant flows successively
Two compression cylinders through compressor are compressed, it is adaptable to the operating mode that the temperature difference is small, psychrometric difference is small；Twin-tub pattern is distinguished for refrigerant
Two compression cylinders for flowing through compressor are compressed, it is adaptable to which the temperature difference is big, the operating mode of high humidity.
Acquired indoor temperature can be obtained by the temperature sensor detection being arranged in indoor environment in step S101.
In one embodiment, indoor temperature is the real-time indoor temperature detected by temperature sensor.In another embodiment, in order to drop
Interference effect produced by low transient temperature change, indoor temperature can also be the Average indoor temperature in a certain setting duration
Degree, for example, temperature sensor detection detected 5 indoor environment temperatures, then each assay intervals 1 minute, this 5 times in 5 minutes
The indoor temperature that the average of indoor environment temperature can be applied as control method of the present invention.
It is that user passes through the display on remote control or air conditioner body that acquired target, which heats temperature, in step S101
Temperature is heated set by control panel.
In one embodiment of this invention, inside temperature thresholds preset in step S102 are used to judge that air conditioner is run
The desired coolant quantity needed, when temperature is not more than inside temperature thresholds indoors, then the temperature of indoor environment is relatively low, therefore empty
Speed need to be heated to export the mode operations of more refrigerants to improve by adjusting the variable conpacitance compressor of device.
Therefore, step S102 controls varying capacity pressure in the case that temperature is not more than preset inside temperature thresholds indoors
Contracting machine is compressed to refrigerant respectively with twin-tub mode operation, two compression cylinders, can increase output to air-conditioner coolant circulation
Coolant quantity in system, allow coolant quantity meet air conditioner operation the need for, improve air conditioner operating efficiency.
In embodiment, the first temperature approach determined by step S103 is the temperature difference that indoor temperature heats temperature with target
Value, for example, indoor environment temperature is 15 DEG C, the target cryogenic temperature set by user is 23 DEG C, then the first temperature approach is for both
Difference, i.e., 8 DEG C, for the ease of the comparison in subsequent control step to temperature approach, the first temperature difference that this case is calculated typically takes
Indoor temperature and target heat the absolute value of temperature so that the first temperature approach be on the occasion of.
In embodiment, according to current working two heat exchange units can be enabled with corresponding operation mould for ease of air conditioner
In formula, step S104, it is more than preset temperature difference threshold in the first temperature approach, when, two heat exchange units of control, which are run, heats mould
Formula., can also be single to adjust two heat exchange of input by controlling the aperture of the flow valve in heat exchange unit in above-mentioned control process
Coolant quantity in member, so that the coolant quantity demand of the heat exchange unit under meeting heating mode.
Above-mentioned temperature difference threshold is used to judge that indoor temperature and target heat the temperature difference degree between temperature, indoor temperature and mesh
It is bigger that mark heats the first temperature approach that temperature computation obtains, and illustrates that the temperature difference that indoor temperature and target are heated between temperature is got over
Greatly, the air conditioner temperature difference to be regulated is bigger, then needs to control at least one heat exchange unit operation heating mode of air conditioner, with right
Indoor environment carries out heating warming temperature；Meanwhile, the first temperature approach is bigger, the refrigerant needed for air conditioner rise indoor environment temperature
Amount is also more, therefore variable conpacitance compressor can be adapted with twin-tub mode operation with current working.Air conditioner in embodiment
Two heat exchange unit operation heating modes are controlled including two heat exchange units, therefore in step S104, it is single using two heat exchange
Member is accelerated to heat indoor environment.
In one embodiment of the invention, the step of control method also includes：Determine indoor temperature and indoor temperature threshold
Second temperature approach of value；According to the second temperature approach, the working frequency of variable conpacitance compressor is adjusted.Above-mentioned inside temperature thresholds master
It is used for the coolant quantity for judging to need desired by air conditioner operation, and then judges the operational mode of variable conpacitance compressor, influence is empty
That adjusts device refrigerant output quantity not only includes the operational mode of variable conpacitance compressor, includes the working frequency of variable conpacitance compressor,
Therefore the second temperature approach of the invention by judging indoor temperature and inside temperature thresholds, can adjust the operation frequency of compressor
Rate；Second temperature approach is bigger, then air conditioner operation needed for coolant quantity it is bigger, thus increase compressor working frequency can have
Effect improves refrigerant delivery efficiency.
In specific embodiment, according to the second temperature approach, the working frequency of variable conpacitance compressor is adjusted, process includes：
In 0≤Δ T2＜ T2When, control variable conpacitance compressor is with the first working frequency H1Operation；
In T2≤ΔT2When, control variable conpacitance compressor is with the second working frequency H2Operation；
Wherein, Δ T2For the second temperature approach, T2For the first preset temperature threshold, span is 3 DEG C~5 DEG C, H1＜
H2。
In one embodiment of the invention, the step of control method also includes：Determine the first temperature approach and temperature difference threshold
Between the 3rd temperature approach；According to the 3rd temperature approach, the rotating speed of the driving blower fan of each heat exchange unit is adjusted.Foregoing temperature difference threshold
Value is mainly used in the temperature difference degree between judging indoor temperature and heating temperature, when the temperature difference is larger, then can be changed by control
The rotating speed of the driving blower fan of hot cell, regulation flows through the air quantity of various heat exchange unit, and then can adjust heating for heat exchange unit
Efficiency.
In specific embodiment, according to the 3rd temperature approach, the rotating speed of the driving blower fan of each heat exchange unit, process bag are adjusted
Include：
In 0≤Δ T3＜ T3When, the driving blower fan of two heat exchange units of control operation heating mode is with the first rotating speed R11
Operation；
In T3≤ΔT3When, the driving blower fan of two heat exchange units of control operation heating mode is with the second rotating speed R12Fortune
OK；
Wherein, Δ T3For the 3rd temperature approach, T3For preset second temperature threshold value, R11＜ R12, i.e. the 3rd temperature approach is bigger,
The rotating speed of the driving blower fan of the heat exchange unit of corresponding operation heating mode is higher.
In the other embodiment of the present invention, also disclose and be in summer condition and winter condition operation in air-conditioning
When, according to the operational mode of the state modulator variable conpacitance compressor such as indoor temperature, indoor humidity, outdoor temperature and outside humidity with
And a variety of method flows of the mode of operation of two heat exchange units, it is described with reference to different embodiments：
In the first embodiment of the present invention, in summer condition, become according to state modulators such as indoor temperature and indoor humidities
The mode of operation of the operational mode of capacity compressor and two heat exchange units, its idiographic flow includes：Obtain indoor temperature, room
Interior humidity, and user setting target cryogenic temperature, target indoor humidity；Temperature is more than preset indoor temperature threshold indoors
Value, and indoor humidity be more than preset indoor humidity threshold value when, control variable conpacitance compressor with twin-tub mode operation；It is determined that indoor
Temperature and the first temperature approach of target cryogenic temperature, determine the first humidity differences of indoor humidity and target indoor humidity；
When one temperature approach is more than preset psychrometric difference threshold value more than preset temperature difference threshold, and the first humidity differences, control first exchanges heat
Unit is run in a chiller mode, and the second heat exchange unit is run with dehumidification mode.Above-mentioned control method can control two of air-conditioning
Heat exchange unit is freezed and dehumidified to indoor environment simultaneously, it is ensured that indoor temperature and the stabilization of damp condition.
In the second embodiment of the present invention, in summer condition, become according to state modulators such as indoor temperature and indoor humidities
The mode of operation of the operational mode of capacity compressor and two heat exchange units, its idiographic flow includes：Obtain indoor temperature, room
Interior humidity, and user setting target cryogenic temperature, target indoor humidity；Temperature is more than preset indoor temperature threshold indoors
During value, control variable conpacitance compressor is with twin-tub mode operation；The first temperature approach of indoor temperature and target refrigeration humidity is determined, really
Determine the first humidity differences of indoor humidity and target indoor humidity；It is more than preset temperature difference threshold, and first in the first temperature approach
When humidity differences are not more than preset psychrometric difference threshold value, two heat exchange units of control are run in a chiller mode.Above-mentioned controlling party
Method can control two heat exchange units of air-conditioning while freezing to indoor environment, to accelerate the refrigerating efficiency of air-conditioning.
In the third embodiment of the present invention, in summer condition, become according to state modulators such as indoor temperature and indoor humidities
The mode of operation of the operational mode of capacity compressor and two heat exchange units, its idiographic flow includes：Obtain indoor temperature, room
Interior humidity, and user setting target cryogenic temperature, target indoor humidity；It is more than in the indoor humidity preset indoor wet
When spending threshold value, control variable conpacitance compressor is with twin-tub mode operation；Determine first temperature difference of indoor temperature and target refrigeration humidity
Value, determines the first humidity differences of indoor humidity and target indoor humidity；It is not more than preset temperature difference threshold in the first temperature approach,
And first humidity differences be more than preset psychrometric difference threshold value when, control two heat exchange units run with dehumidification mode.Above-mentioned control
Method processed can control two heat exchange units of air-conditioning while being dehumidified to indoor environment, to accelerate the dehumidification rate of air-conditioning.
In the fourth embodiment of the present invention, in summer condition, become according to state modulators such as indoor temperature and indoor humidities
The mode of operation of the operational mode of capacity compressor and two heat exchange units, its idiographic flow includes：Obtain indoor temperature, room
Interior humidity, and user setting target cryogenic temperature, target indoor humidity；Temperature is more than preset indoor temperature threshold indoors
During value, control variable conpacitance compressor is with twin-tub mode operation；The first temperature approach of indoor temperature and target refrigeration humidity is determined, really
Determine the first humidity differences of indoor humidity and target indoor humidity；It is more than preset temperature difference threshold, and first in the first temperature approach
When humidity differences are not more than preset psychrometric difference threshold value, the periodic alternate run in the following manner of two heat exchange units is controlled：The
One mode, the first heat exchange unit is run in a chiller mode, and the second heat exchange unit is run with air supply pattern；Second method, two are changed
Hot cell is run in a chiller mode.Above-mentioned control method can control side of two heat exchange units of air-conditioning to freeze and blow
Formula alternate run, so as to accelerate the refrigerating efficiency of air-conditioning, while can also make air-conditioning that there is the air-supply effect of natural wind.
In the fifth embodiment of the present invention, in summer condition, become according to state modulators such as indoor temperature and indoor humidities
The mode of operation of the operational mode of capacity compressor and two heat exchange units, its idiographic flow includes：Obtain indoor temperature, room
Interior humidity, and user setting target cryogenic temperature, target indoor humidity；Humidity is more than preset indoor humidity threshold indoors
During value, control variable conpacitance compressor is with twin-tub mode operation；The first temperature approach of indoor temperature and target refrigeration humidity is determined, really
Determine the first humidity differences of indoor humidity and target indoor humidity；It is not more than preset temperature difference threshold, and in the first temperature approach
When one humidity differences are more than preset psychrometric difference threshold value, the periodic alternate run in the following manner of two heat exchange units is controlled：The
One mode, the first heat exchange unit is run with dehumidification mode, and the second heat exchange unit is run with air supply pattern；Second method, two are changed
Hot cell is run with dehumidification mode.Above-mentioned control method can control side of two heat exchange units of air-conditioning to dehumidify and blow
Formula alternate run, so as to accelerate the dehumidification rate of air-conditioning, while can also make air-conditioning that there is the air-supply effect of natural wind.
In the sixth embodiment of the present invention, in summer condition, according to the state modulator variable conpacitance compressor such as indoor temperature
Operational mode and two heat exchange units mode of operation, its idiographic flow includes：Obtain indoor temperature and user's setting
Target cryogenic temperature；When temperature is not more than preset inside temperature thresholds indoors, control variable conpacitance compressor is with twin-stage mould
Formula is run；Determine the first temperature approach of indoor temperature and target refrigeration humidity；It is not more than preset temperature difference threshold in the first temperature approach
During value, the first heat exchange unit of control is run with air supply pattern, and the second heat exchange unit is run in a chiller mode.Above-mentioned control method can
To control the single heat exchange unit of air-conditioning to freeze indoor environment, to accelerate the refrigerating efficiency of air-conditioning, while can also make
Air-conditioning has the air-supply effect of natural wind.
In the seventh embodiment of the present invention, in summer condition, according to the state modulator variable conpacitance compressor such as indoor humidity
Operational mode and two heat exchange units mode of operation, its idiographic flow includes：What acquisition indoor humidity and user set
Target indoor humidity；When humidity is not more than preset indoor humidity threshold value indoors, control variable conpacitance compressor is with Bi-level mode
Operation；Determine the first humidity differences of indoor humidity and target indoor humidity；It is not more than preset humidity in the first humidity differences
During poor threshold value, the first heat exchange unit of control is run with air supply pattern, and the second heat exchange unit is run with dehumidification mode.Above-mentioned controlling party
Method can control the single heat exchange unit of air-conditioning to dehumidify indoor environment, to accelerate the refrigerating efficiency of air-conditioning, while also may be used
So that air-conditioning has the air-supply effect of natural wind.
In the eighth embodiment of the present invention, in summer condition, according to the state modulator variable conpacitance compressor such as indoor temperature
Operational mode and two heat exchange units mode of operation, its idiographic flow includes：What acquisition indoor temperature and user set
Target cryogenic temperature, sleep period；When temperature is not more than preset inside temperature thresholds indoors, control variable conpacitance compressor with
Bi-level mode is run；Determine the first temperature approach of indoor temperature and target refrigeration humidity；It is not more than in the first temperature approach preset
Temperature difference threshold, and air conditioner, when being in sleep period and running, the first heat exchange unit of control is out of service, and the second heat exchange unit is to make
Cold mode operation.Above-mentioned control method can control the single heat exchange unit of air-conditioning to freeze indoor environment, to ensure room
Interior temperature disclosure satisfy that the comfort level requirement of user；And the refrigeration of the first heat exchange unit can be stopped in user's sleep period or given
Wind is run, so as to avoid influenceing the problem of user sleeps because indoor environment temperature is too low.
In the ninth embodiment of the present invention, in summer condition, according to the state modulator variable conpacitance compressor such as indoor humidity
Operational mode and two heat exchange units mode of operation, its idiographic flow includes：What acquisition indoor humidity and user set
Target indoor humidity, sleep period；When humidity is not more than preset indoor humidity threshold value indoors, control variable conpacitance compressor with
Bi-level mode is run；Determine the first humidity differences of indoor humidity and target indoor humidity；It is not more than in the first humidity differences pre-
The psychrometric difference threshold value put, and air conditioner, when being in sleep period and running, the first heat exchange unit of control is out of service, and the second heat exchange is single
Member is run with dehumidification mode.Above-mentioned control method can control the single heat exchange unit of air-conditioning to dehumidify indoor environment, with
Ensure that indoor temperature disclosure satisfy that the comfort level requirement of user；And the system of the first heat exchange unit can be stopped in user's sleep period
Cold or air-supply operation, so as to avoid influenceing the problem of user sleeps because indoor environment temperature is too low.
In the tenth embodiment of the present invention, operating mode, becomes according to state modulators such as indoor temperature and outside humidities in the winter time
The mode of operation of the operational mode of capacity compressor and two heat exchange units, its idiographic flow includes：Obtain indoor temperature, room
Outer humidity, and the target of user's setting heat temperature when outside humidity is more than preset outside humidity threshold value, control transfiguration
Capacity compressor is with twin-tub mode operation；Determine that indoor humidity and target heat the first temperature approach between temperature；In first temperature difference
When value is not more than preset temperature difference threshold, the first heat exchange unit of control is run with heating mode, and the second heat exchange unit is out of service.
First heat exchange unit of air conditioner can reach and indoor environment is carried out to heat thermogenic action, improve by running heating mode
The comfort level of user, while can also reduce as the outdoor unit frosting problem caused by the higher levels of humidity of outdoor environment.In addition, this
Another heat exchange unit of invention control is out of service, it is possible to reduce air-conditioning heating runs power consumption, improves the operational energy efficiency of air-conditioning.
In the 11st embodiment of the present invention, operating mode in the winter time, according to state modulators such as indoor temperature and outdoor temperatures
The mode of operation of the operational mode of variable conpacitance compressor and two heat exchange units, its idiographic flow includes：Obtain indoor temperature
And outdoor temperature；When temperature is not more than preset inside temperature thresholds indoors, control variable conpacitance compressor is transported with twin-tub pattern
OK；And when outdoor temperature reaches solidifying ice-lolly part, control the first heat exchange unit run with heating mode, the second heat exchange unit with
Defrost pattern is run, wherein, the interior conduit for running the refrigerant circulation stream of the heat exchange unit of defrost pattern is blocked, and refrigerant only flows
Heat exchanger through outdoor unit.First heat exchange unit of air conditioner can reach and indoor environment is carried out by running heating mode
Thermogenic action is heated, the comfort level of user is improved, while the refrigerant flow where controlling another heat exchange unit is carried out to outdoor unit
Defrost, to reduce the frosting problem of outdoor unit.
In the 12nd embodiment of the present invention, operating mode, compresses according to the state modulator such as indoor temperature varying capacity in the winter time
The mode of operation of the operational mode of machine and two heat exchange units, its idiographic flow includes：Obtain indoor temperature and user's setting
Target heat temperature；When temperature is more than preset inside temperature thresholds indoors, control variable conpacitance compressor is with Bi-level mode
Operation；Determine that indoor temperature and target heat the first temperature approach between temperature；It is not more than the preset temperature difference in the first temperature approach
During threshold value, the first heat exchange unit of control is run with air supply pattern, and the second heat exchange unit is run with heating mode.Two of air conditioner
Heat exchange unit by being separately operable heating mode and air supply pattern, can in the winter time indoor temperature exceed inside temperature thresholds when pair
Indoor environment is heated and blown, to ensure that indoor temperature disclosure satisfy that the comfort level requirement of user.
In the 13rd embodiment of the present invention, operating mode, compresses according to the state modulator such as indoor temperature varying capacity in the winter time
The mode of operation of the operational mode of machine and two heat exchange units, its idiographic flow includes：Obtain indoor temperature and user's setting
Target heat temperature, sleep period；Indoors temperature be more than preset inside temperature thresholds when, control variable conpacitance compressor with
Bi-level mode is run；It is not more than preset temperature difference threshold in the first temperature approach, and air conditioner is when being in sleep period and running, control
First heat exchange unit is out of service, and the second heat exchange unit is run with heating mode.The heat exchange unit of air conditioner is heated by operation
Pattern, can in the winter time indoor temperature exceed inside temperature thresholds when indoor environment is heated, to ensure indoor temperature energy
Enough meet the comfort level requirement of user；And can user's sleep period stop the first heat exchange unit the operation that heats or blow,
So as to avoid influenceing the problem of user sleeps because indoor environment temperature is too high.
As shown in Fig. 2 present invention also offers a kind of air conditioner, air conditioner has variable conpacitance compressor and controller, become
The operational mode of capacity compressor includes Bi-level mode and twin-tub pattern, and the indoor set of air conditioner at least includes two heat exchange lists
Member, each heat exchange unit has single heat exchanger and driving blower fan；Controller is according to the control disclosed in previous embodiment
Method is controlled in the operation of air conditioner, embodiment, and controller is mainly used in：The target for obtaining indoor temperature and user's setting is heated
Temperature；Determine that indoor temperature heats the first temperature approach of temperature with target；Temperature is not more than preset indoor temperature threshold indoors
During value, the variable conpacitance compressor of air conditioner is controlled with twin-tub mode operation, wherein, twin-tub pattern includes the varying capacity pressure of air conditioner
The operational mode of two independent compression refrigerants of compression cylinder of contracting machine；And it is more than preset temperature difference threshold in the first temperature approach
When, two heat exchange units of control are run with heating mode.
In one embodiment of the invention, controller is additionally operable to：Determine the second of indoor temperature and inside temperature thresholds
Temperature approach；According to the second temperature approach, the working frequency of variable conpacitance compressor is adjusted.
In one embodiment of the invention, controller is used for：In 0≤Δ T2＜ T2When, control variable conpacitance compressor is with the
One working frequency H1Operation；In T2≤ΔT2When, control variable conpacitance compressor is with the second working frequency H2Operation；Wherein, Δ T2For
Second temperature approach, T2For the first preset temperature threshold, H1＜ H2。
In one embodiment of the invention, controller is used for：Determine the 3rd between the first temperature approach and temperature difference threshold
Temperature approach；According to the 3rd temperature approach, the rotating speed of the driving blower fan of each heat exchange unit is adjusted.
In one embodiment of the invention, controller is used for：In 0≤Δ T3＜ T3When, the two of control operation heating mode
The driving blower fan of individual heat exchange unit is with the first rotating speed R11Operation；In T3≤ΔT3When, two heat exchange of control operation heating mode
The driving blower fan of unit is with the second rotating speed R12Operation；Wherein, Δ T3For the 3rd temperature approach, T3For preset second temperature threshold value,
R11＜ R12。
Meanwhile, controller of the invention can be also used for control air conditioner operation one or more foregoing first to the tenth
The related procedure of control method disclosed in three embodiments.
In order to realize that aforementioned controllers can control air conditioner to perform above-mentioned flow, specific part of the present invention to air conditioner
Composition and structure are described further：
Air conditioner includes outdoor unit 1 and indoor set 2, wherein, outdoor unit 1 is arranged at outdoor, for being carried out with outdoor environment
Heat exchange；Indoor set 2 is arranged at interior, for being exchanged heat with indoor environment, thus realize the refrigeration to indoor environment, heat or
The operations such as person's dehumidifying.
In one embodiment of this invention, the outdoor unit 1 of air conditioner mainly includes variable conpacitance compressor component, outdoor heat exchange
The grade part of device 11, wherein, variable conpacitance compressor component includes the four-way valve 13 of variable conpacitance compressor 12 and first, and the present invention is by cutting
Pattern switching of the different valves position realization to variable conpacitance compressor 12 of the first four-way valve 13 is changed, so as to change variable conpacitance compressor 12
Capacity so that it is cold under different operating modes that the Bi-level mode and twin-tub pattern of variable conpacitance compressor 12 can meet air-conditioning respectively
Matchmaker's demand.
In specific embodiment, variable conpacitance compressor 12 includes the first compression cylinder 121 and the second compression cylinder 122, two compressions
Cylinder individually can perform squeeze operation to refrigerant, in the example shown, for variable conpacitance compressor unit, two compressions
The cylinder body of cylinder is not connected mutually, and the present invention realizes the connection of two compression cylinders by the first four-way valve 13, and in the first four-way
When valve 13 is in different valves position, two compression cylinders respectively constitute Bi-level mode refrigerant flow and twin-tub pattern refrigerant flow.
5 ends for being connected with outside refrigerant pipeline are offered in embodiment, on the body of variable conpacitance compressor 12 altogether
Mouthful, including first port 123, second port 124, the 3rd port 125, the 4th port 126 and exhaust outlet 127, wherein, the 4th end
Mouth 126 is connected in the internal body of variable conpacitance compressor 12 with exhaust outlet 127, the gas exhaust piping of exhaust outlet 127 and compressor
It is connected, the refrigerant after overcompression is inputted along gas exhaust piping in the medium circulation pipeline of air conditioner；First compression cylinder
121 have the first air inlet 1211 and the first gas outlet 1212, and the first air inlet 1211 is connected with first port 123, and second goes out
Gas port 1212 is connected with second port 124；Second compression cylinder 122 has the second air inlet 1221 and the second gas outlet 1222, its
In, the second air inlet 1221 is connected with the 3rd port 123, the second gas outlet 1222 and the exhaust outlet of variable conpacitance compressor 12
127 are connected.
The structure of first four-way valve 13 mainly includes valve body, the valve block for the valve pocket being arranged in valve body, and first interface
131st, second interface 132, the 3rd interface 133 and the 4th interface 134, valve block have connection first interface 131 and second interface
132nd, the first valve position of the 3rd interface 133 of connection and the 4th interface 134, connection second interface 132 and the 3rd interface 133, blocking
The second valve position of the interface 134 of first interface 131 and the 4th；Wherein, the second air inlet of the compression cylinder 122 of second interface 132 and second
Mouth 1221 is connected, and the 3rd interface 132 is connected with the first gas outlet 1211 of the first compression cylinder 121, and the 4th interface 134 passes through
4th port 126 is connected with exhaust outlet 127.
When the first four-way valve 13 is in foregoing the first valve position, variable conpacitance compressor 12 is with twin-tub mode operation, refrigerant
Flow path in variable conpacitance compressor component includes two：(1) refrigerant to be compressed is along the first of variable conpacitance compressor 12
Port 123 is flowed into, and refrigerant flows through the air inlet 1211 → the first of first port 123 → the first compression of variable conpacitance compressor 12 successively
3rd interface 133 of the four-way valve 13 of second port 124 → the first of the 1212 → variable conpacitance compressor of gas outlet 12 of cylinder 121 → the first
4th 126 → variable conpacitance compressor of port 12 of the 4th 134 → variable conpacitance compressor of interface 12 of the four-way valve of → valve pocket-the first 13
Exhaust outlet 127, in this refrigerant flow path, refrigerant carries out first compression by the first compression cylinder 121, finally via exhaust outlet
127 outputs are into the refrigerant circulation stream of air conditioner；(2) first interface 131 of refrigerant to be compressed along the first four-way valve 13 flows
Enter, refrigerant flows through second interface 132 → change of the four-way valve 13 of 131 → valve pocket of first interface of the first four-way valve 13 → first successively
1222 → the change of gas outlet of the 3rd port 125 → the second air inlet, 1221 → the second compression cylinder 122 → the second of capacity compressor 12
The exhaust outlet 127 of capacity compressor 12, in this refrigerant flow path, refrigerant carries out first compression by the second compression cylinder 122, most
Exported by by exhaust outlet 127 into the refrigerant circulation stream of air conditioner.In two above-mentioned refrigerant flow paths, varying capacity
Two compression cylinders of compressor 12 can individually perform the operations such as air-breathing, compression and exhaust, can be effectively increased refrigerant
Decrement, improves the refrigerant output quantity of compressor, is freezed, heated or dehumidified with the multiple heat exchange units for meeting indoor set 2
Deng coolant quantity demand when operating.
When the first four-way valve 13 is in foregoing the second valve position, variable conpacitance compressor 12 is run with Bi-level mode, refrigerant
Flow path in variable conpacitance compressor 12 is one：The first port 123 of refrigerant to be compressed along variable conpacitance compressor 12
Flow into, refrigerant flow through successively the compression cylinder 121 of 123 → the first air inlet of first port 1211 → the first of variable conpacitance compressor 12 →
3rd 134 → valve pocket of interface of the first four-way valves of second port 124- 13 of first 1222 → variable conpacitance compressor of gas outlet 12 →
The air inlet 1221 → the second of the 3rd port 125 → the second of 132 → variable conpacitance compressor of second interface 12 of first four-way valve 13
The exhaust outlet 127 of second 1222 → variable conpacitance compressor of gas outlet 122 of the compression cylinder 122 of compression cylinder 122 → the second, in this refrigerant
In flow path, refrigerant carries out first compression by the first compression cylinder 121, and carries out second-compressed by the second compression cylinder 122, finally
Exported via exhaust outlet 127 into the refrigerant circulation stream of air conditioner.In above-mentioned refrigerant flow path, variable conpacitance compressor
12 two compression cylinders successively perform the operations such as air-breathing, compression and exhaust, so that the second-compressed to refrigerant is realized, can be effective
The compression ratio of refrigerant is improved, to strengthen the heat exchange efficiency of indoor heat exchanger and outdoor heat exchanger 11.
In embodiment, air conditioner of the invention also includes being used to detect the temperature sensor of indoor temperature and for detecting
Indoor temperature and indoor humidity that the humidity sensor of indoor humidity, temperature sensor and humidity sensor can be detected
Information transfer is to controller.In addition, air conditioner also includes being used to detect the humidity sensor of outside humidity and for detecting outdoor
Outdoor temperature and outside humidity that the humidity sensor of humidity, said temperature sensor and humidity sensor can be detected
Information transfer is to controller.
Outdoor heat exchanger 11 includes the refrigerant mouthful 112 of the first refrigerant mouthful 111 and second, and refrigerant is via the first 111 Hes of cold coal mouthful
Second cold coal mouthful 112 flows in or out outdoor heat exchanger 11；Wherein, in operation of air conditioner refrigeration mode or dehumidification mode, transfiguration
The refrigerant that capacity compressor 12 is discharged is flowed into from the first cold coal mouthful 111, in outdoor heat exchanger 11 and after outdoor environment heat exchange, refrigerant
Flowed out from the second cold coal mouthful 112, and flow to the indoor heat exchanger of two heat exchange units of indoor set 2, with continuation and indoor environment
Heat exchange；In operation of air conditioner heating mode, the refrigerant of the indoor heat exchanger discharge of two heat exchange units flows from the second cold coal mouthful 112
Enter outdoor heat exchanger 11, after being exchanged heat in outdoor heat exchanger 11 with outdoor environment, refrigerant flows out from the first cold coal mouthful 111, cocurrent
To variable conpacitance compressor 12, to be compressed again to refrigerant by variable conpacitance compressor 12.
In embodiment, outdoor unit 1 also includes the second four-way valve 14 and first for being used to use cooperatively with the first heat exchange unit
Gas-liquid separator 16, and the 3rd four-way valve 15 and the second gas-liquid separator 17 for being used cooperatively with the second heat exchange unit；
Indoor set 2 includes the first heat exchange unit and the second heat exchange unit, wherein, the first heat exchange unit includes the He of the first indoor heat exchanger 21
First driving blower fan, the second heat exchange unit includes the second indoor heat exchanger 22 and the second driving blower fan, the first indoor heat exchanger 21
Individually it can be exchanged heat with the second indoor heat exchanger 22 with indoor environment.
Wherein, the first indoor heat exchanger 21 by the second four-way valve 14 and outdoor heat exchanger 11, the first gas-liquid separator 16,
Variable conpacitance compressor 12 is connected, and constitutes the first refrigerant circulation stream.
The structure and connected mode of each part of first refrigerant circulation stream be：It is cold that first indoor heat exchanger 21 includes first
The cold coal mouthful 212 of coal mouthful 211 and second；First gas-liquid separator 16 includes the first import 161 and first outlet 162；Second four-way
Valve 14 includes valve body, the valve block for the valve pocket being arranged in valve body, and first interface 141, second interface 142, the 3rd interface 143
With the 4th interface 144, valve block has connection first interface 141 and second interface 142, connects the 3rd interface 143 and the 4th interface
144 the first valve position, connects second interface 142 and the 3rd interface 143, connects the second of the interface 144 of first interface 141 and the 4th
Valve position；The first interface 141 of second four-way valve 14 is connected with the first cold coal mouthful 211 of the first indoor heat exchanger 21, second interface
142 are connected with the first import 161 of the first gas-liquid separator 16, the first cold coal mouthful of the 3rd interface 143 and outdoor heat exchanger 11
111 connections, the 4th interface 144 is connected with the exhaust outlet 127 of variable conpacitance compressor 12；Second cold coal of the first indoor heat exchanger 21
Mouth 212 is connected with the second cold coal mouthful 112 of outdoor heat exchanger 11；The first outlet 161 and the 1st of first gas-liquid separator 16
The first interface 131 of port valve 13 is connected.
When the first heat exchange unit of air conditioner runs refrigeration mode or dehumidification mode, the valve block of the second four-way valve 14 is in
First valve position, then the refrigerant sequence of flow of the first refrigerant circulation stream is as shown in the solid arrow in figure：Variable conpacitance compressor 12
The four-way valve 14 of exhaust outlet 127 → the second the four-way valve 14 of the 4th interface 144 → the second the four-way valve 14 of valve pocket → second
Second cold coal of first 111 → outdoor heat exchanger of cold coal mouthful, 11 → outdoor heat exchanger 11 of three 143 → outdoor heat exchangers of interface 11
The second cold coal mouthful indoor heat exchanger 21 of 212 → the first indoor heat exchanger 21 → the first of 112 → the first indoor heat exchangers 21 of mouth
The four-way valve 14 of the valve pocket of the four-way valve 14 of first interface 141 → the second of first cold coal mouthful, 211 → the second four-way valves 14 → second
The gas-liquid separator of 161 → the first gas-liquid separator of the first import 16 → the first of the gas-liquid separator 16 of second interface 142 → the first
The first interface 131 of 161 four-way valve 13 of first outlet 162 → the first, refrigerant flows back into change again via the first four-way valve 13
It is compressed in capacity compressor 12, so as to realize constant flow of the refrigerant in whole refrigerant circulation stream.
When the first heat exchange unit of air conditioner runs heating mode, the valve port of the second four-way valve 14 is in the second valve position,
Then the refrigerant sequence of flow of the first refrigerant circulation stream is as shown in the dotted arrow in figure：The exhaust outlet of variable conpacitance compressor 12
The first interface 141 of the four-way valve 14 of the valve pocket of the four-way valve 14 of the 4th interface 144 → the second of 127 → the second four-way valves 14 → second
The second of the first cold coal mouthful indoor heat exchanger 21 of 211 → the first indoor heat exchanger 21 → the first of the → the first indoor heat exchanger 21 is cold
First cold coal mouthful of second 112 → outdoor heat exchanger of cold coal mouthful, 11 → outdoor heat exchanger 11 of coal mouthful 212 → outdoor heat exchanger 11
The second interface 142 of the four-way valve 14 of the valve pocket of the four-way valve 14 of the 3rd interface 143 → the second of 111 → the second four-way valves 14 → second
The first outlet of the gas-liquid separator 16 of 161 → the first gas-liquid separator of the first import 16 → the first of → the first gas-liquid separator 16
The first interface 131 of 162 → the first four-way valves 13, refrigerant flows back into variable conpacitance compressor 12 again via the first four-way valve 131
Inside it is compressed, so as to realize constant flow of the refrigerant in whole refrigerant circulation stream.
In addition, the second indoor heat exchanger 22 by the 3rd four-way valve 15 and outdoor heat exchanger 11, the second gas-liquid separator 17,
Variable conpacitance compressor 12 is connected, and constitutes the second refrigerant circulation stream.
The structure and connected mode of each part of second refrigerant circulation stream be：It is cold that second indoor heat exchanger 22 includes first
The cold coal mouthful 222 of coal mouthful 221 and second；Second gas-liquid separator 17 includes the second import 171 and second outlet 172；3rd four-way
Valve 15 includes valve body, the valve block for the valve pocket being arranged in valve body, and first interface 151, second interface 152, the 3rd interface 153
With the 4th interface 154, valve block has connection first interface 151 and second interface 152, connects the 3rd interface 153 and the 4th interface
154 the first valve position, connects second interface 152 and the 3rd interface 153, connects the second of the interface 154 of first interface 151 and the 4th
Valve position；The first interface 151 of 3rd four-way valve 15 is connected with the first cold coal mouthful 221 of the second indoor heat exchanger 22, second interface
152 are connected with the second import 171 of the second gas-liquid separator 17, the first cold coal mouthful of the 3rd interface 153 and outdoor heat exchanger 11
111st, the second cold coal mouthful 112 is connected respectively, for the ease of distinguishing, and the present invention is by the of the 3rd interface 153 and outdoor heat exchanger 11
Refrigerant pipeline between one cold coal mouthful 111 is defined as the first refrigerant branch road 181, by the 3rd interface 153 and outdoor heat exchanger 11
Refrigerant pipeline between second cold coal mouthful 112 is defined as the second refrigerant branch road 182；4th interface 154 and variable conpacitance compressor 12
Exhaust outlet 127 connect；Second cold coal mouthful 222 of the second indoor heat exchanger 22 and the second cold coal mouthful 112 of outdoor heat exchanger 11
Connection；The second outlet 172 of second gas-liquid separator 17 is connected with the first air inlet 1211 of the first compression cylinder 121.
In embodiment, between the 3rd interface 153 of the 3rd four-way valve 15 and the first of outdoor heat exchanger 11 the cold coal mouthful 111
The first magnetic valve 191 is provided with first refrigerant branch road 181, the first magnetic valve 191 can be used for control conducting or blocking first cold
Matchmaker's branch road 181；Second between 3rd interface 153 of the 3rd four-way valve 15 and the second of outdoor heat exchanger 11 the cold coal mouthful 112 is cold
The second magnetic valve 192 is provided with matchmaker's branch road 182, the second magnetic valve 192 can be used for turning on or blocking the second refrigerant branch road 182；
On refrigerant pipeline between second cold coal mouthful 112 of the second cold coal mouthful 222 and outdoor heat exchanger 11 of the second indoor heat exchanger 22
The 3rd magnetic valve 193 is provided with, for turning on or blocking this section of refrigerant pipeline.
When the second heat exchange unit of air conditioner runs refrigeration mode or dehumidification mode, the valve block of the 3rd four-way valve 15 is in
The first magnetic valve 191 on first valve position, the first refrigerant branch road 181 is opened, the second magnetic valve on the second refrigerant branch road 182
182 close, then the refrigerant sequence of flow of the second refrigerant circulation stream is as shown in the solid arrow in figure：Variable conpacitance compressor 12
The 3rd of the four-way valve 15 of the valve pocket of the four-way valve 15 of the 4th interface the 154 → the 3rd of the four-way valve 15 of exhaust outlet 127 → the 3rd → the 3rd
First cold coal mouthful 111 → outdoor heat exchanger, 11 → outdoor heat exchange of the 181 → outdoor heat exchanger of refrigerant branch road 11 of interface 153 → the first
Second 222 → the second indoor heat exchangers 22 → the second of cold coal mouthful of the second 112 → the second indoor heat exchangers 22 of cold coal mouthful of device 11
The valve pocket of the four-way valve 15 of the first interface 153 of the 221 → the 3rd four-way valve 15 of the first cold coal mouthful of indoor heat exchanger 22 → the 3rd →
The gas-liquid separator 17 of the second import 171 → the second of the gas-liquid separator 17 of second interface 152 → the second of 3rd four-way valve 15 →
The first port 123 of 172 → variable conpacitance compressor of second outlet 12 of first gas-liquid separator 17, refrigerant flows back into transfiguration again
It is compressed in capacity compressor 12, so as to realize constant flow of the refrigerant in whole refrigerant circulation stream.
When the second heat exchange unit of air-conditioning runs heating mode, the valve block of the 3rd four-way valve 15 is in the second valve position, the
The first magnetic valve 191 on one refrigerant branch road 181 is opened, and the second magnetic valve 192 on the second refrigerant branch road 182 is closed, then and
The refrigerant sequence of flow of two refrigerant circulation streams is as shown in the dotted arrow in figure：The exhaust outlet 127 of variable conpacitance compressor 12 →
The first interface 151 → the of the four-way valve 15 of valve pocket → the three of the four-way valve 15 of the 4th interface the 154 → the 3rd of 3rd four-way valve 15
Second cold coal mouthful of the first cold coal mouthful indoor heat exchanger 22 of 221 → the second indoor heat exchanger 22 → the second of two indoor heat exchangers 22
First cold coal mouthful 111 of second 112 → outdoor heat exchanger of cold coal mouthful, 11 → outdoor heat exchanger 11 of 222 → outdoor heat exchanger 11 →
The four-way valve 15 of the valve pocket of the four-way valve 15 of the 3rd interface the 153 → the 3rd of the four-way valve 15 of first refrigerant branch road the 181 → the 3rd → the 3rd
The gas-liquid separator 17 of second interface 152 → the second the gas-liquid separation of 171 → the second gas-liquid separator of the second import 17 → the second
The first port 123 of 172 → variable conpacitance compressor of second outlet 12 of device 17, refrigerant is flow back into variable conpacitance compressor 12 again
It is compressed, so as to realize constant flow of the refrigerant in whole refrigerant circulation stream.
In addition, the second refrigerant circulation stream of the invention can be also used in the winter time changing the outdoor heat exchanger 11 of air-conditioning
Frost processing, i.e., the second heat exchange unit can also carry out defrost pattern, when the second heat exchange unit performs defrost pattern, the 3rd four-way
The first magnetic valve 191 that the valve block of valve 15 is on the first valve position, the first refrigerant branch road 181 is closed, on the second refrigerant branch road 182
The second magnetic valve 192 open, the 3rd magnetic valve 193 is closed, and now the second four-way valve 14 of the first refrigerant circulation stream is in
Second valve position, the first heat exchange unit is normally heated to indoor, and the refrigerant sequence of flow of the second refrigerant circulation stream is：Become
Valve pocket → 3rd of the four-way valve 15 of the 4th interface the 154 → the 3rd of the four-way valve 15 of the exhaust outlet 127 of capacity compressor 12 → the 3rd
Second 112 → outdoor heat exchange of cold coal mouthful of the 182 → outdoor heat exchanger of refrigerant branch road 11 of the 3rd interface 153 → the second of four-way valve 15
The four-way valve 14 of the 3rd interface 153 → the second of first 111 → the second four-way valves 14 of cold coal mouthful of 11 → outdoor heat exchanger of device 11
The gas-liquid separation of the first import 161 → the first of the gas-liquid separator 16 of second interface 142 → the first of the four-way valve 14 of valve pocket → second
The first interface 131 of the four-way valve 13 of first outlet 162 → the first of the gas-liquid separator 16 of device 16 → the first.In the flowing of this refrigerant
In path, the high temperature refrigerant that variable conpacitance compressor 12 is discharged is not passed through the second indoor heat exchanger 22 of the second heat exchange unit, high temperature
Refrigerant is flowed directly into outdoor heat exchanger 11, and to realize that the defrost to outdoor heat exchanger 11 is handled, and temperature is reduced after defrost
Part pipeline of the refrigerant along the first refrigerant circulation stream flow back into variable conpacitance compressor 12 and be compressed again, so as to realize
Constant flow of the refrigerant in whole refrigerant circulation stream.
It is cold between second cold coal mouthful 112 of the second cold coal mouthful 211 and the device of outdoor heat exchange 11 of the first indoor heat exchanger 21
First throttle valve 23 is provided with matchmaker's pipeline, for carrying out throttle operation to the refrigerant for flowing into the first indoor heat exchanger 21；Second
Set on refrigerant pipeline between second cold coal mouthful 112 of the second cold coal mouthful 222 and outdoor heat exchanger 11 of indoor heat exchanger 22
There is second throttle 24, for carrying out throttle operation to the refrigerant for flowing into heat exchanger 22 in second Room.
Optionally, for the ease of two refrigerant circulation streams pipeline and outdoor heat exchanger 11 connection, the second four-way valve
Refrigerant pipeline between 14 the 3rd interface 143 and outdoor heat exchanger 11, is connected in parallel with the first refrigerant branch road 181, with fortune
Row refrigeration flows into outdoor heat exchanger 11 after refrigerant can conflux during dehumidification mode, or when heating outdoor heat exchanger 11 refrigerant
It can branch in two pipelines；Meanwhile, the second cold coal mouthful 212 and the second of outdoor heat exchanger 11 of the first indoor heat exchanger 21
Refrigerant pipeline between cold coal mouthful 112, the second cold coal mouthful 222 and the second of outdoor heat exchanger 11 with the second indoor heat exchanger 22
Refrigerant pipeline between cold coal mouthful 112 is connected in parallel, and the second refrigerant branch road 182 one end also the second of outdoor heat exchanger 11
It is connected in parallel at cold coal mouthful 112 with above-mentioned parallel transistor section.
In addition, when variable conpacitance compressor 12 is run with Bi-level mode, the valve port of the first four-way valve 13 is in the second valve position,
First interface 131 is blocked, the first refrigerant circulation stream is also blocked in the lump, therefore Bi-level mode is run in variable conpacitance compressor
When, air conditioner is to be realized with the second refrigerant circulation stream where the second heat exchange unit to the refrigeration of indoor environment, heat or remove
The operating process such as wet.
It should be appreciated that the invention is not limited in the flow and structure for being described above and being shown in the drawings,
And various modifications and changes can be being carried out without departing from the scope.The scope of the present invention is only limited by appended claim
System.
Claims (9)
1. a kind of control method of air conditioner, it is characterised in that the control method includes：
The target for obtaining indoor temperature and user's setting heats temperature；
When the indoor temperature is not more than preset inside temperature thresholds, the air conditioner is controlled with twin-tub mode operation, its
In, the twin-tub pattern includes the operation mould of two independent compression refrigerants of compression cylinder of the variable conpacitance compressor of the air conditioner
Formula；
Determine that the indoor temperature heats the first temperature approach of temperature with the target；
When first temperature approach is more than preset temperature difference threshold, two heat exchange units of control are transported with heating mode
OK.
2. control method according to claim 1, it is characterised in that also include：
Determine the second temperature approach of the indoor temperature and the inside temperature thresholds；
According to second temperature approach, the working frequency of the variable conpacitance compressor is adjusted.
3. control method according to claim 2, it is characterised in that according to second temperature approach, adjusts the transfiguration
The working frequency of capacity compressor, process includes：
In 0≤Δ T2＜ T2When, the variable conpacitance compressor is controlled with the first working frequency H1Operation；
In T2≤ΔT2When, the variable conpacitance compressor is controlled with the second working frequency H2Operation；
Wherein, Δ T2For second temperature approach, T2For the first preset temperature threshold, H1＜ H2。
4. control method according to claim 1, it is characterised in that also include：
Determine the 3rd temperature approach between first temperature approach and the temperature difference threshold；
According to the 3rd temperature approach, the rotating speed of the driving blower fan of each heat exchange unit is adjusted.
5. control method according to claim 4, it is characterised in that according to the 3rd temperature approach, adjusts each described
The rotating speed of the driving blower fan of heat exchange unit, process includes：
In 0≤Δ T3＜ T3When, the driving blower fan of two heat exchange units is controlled with the first rotating speed R11Operation；
In T3≤ΔT3When, the driving blower fan of two heat exchange units is controlled with the second rotating speed R12Operation；
Wherein, Δ T3For the 3rd temperature approach, T3For preset second temperature threshold value, R11＜ R12。
6. a kind of air conditioner, it is characterised in that the air conditioner has variable conpacitance compressor (12) and controller, the varying capacity
The operational mode of compressor (12) includes Bi-level mode and twin-tub pattern, and the indoor set of the air conditioner at least includes two heat exchange
Unit, each heat exchange unit has single heat exchanger；The air conditioner also has the temperature for being used for detecting indoor temperature
Sensor；The controller is used for：
The target for obtaining the indoor temperature and user's setting heats temperature；
Determine that the indoor temperature heats the first temperature approach of temperature with the target；
When the indoor temperature is not more than preset inside temperature thresholds, the variable conpacitance compressor of the air conditioner is controlled with double
Cylinder mode operation, wherein, two compression cylinders that the twin-tub pattern includes the variable conpacitance compressor of the air conditioner are individually pressed
The operational mode of contracting refrigerant；And
When first temperature approach is more than preset temperature difference threshold, two heat exchange units of control are transported with heating mode
OK.
7. air conditioner according to claim 6, it is characterised in that including outdoor unit (1),
The outdoor unit (1) includes variable conpacitance compressor component, outdoor heat exchanger (11), and the variable conpacitance compressor component includes
The variable conpacitance compressor (12) and the first four-way valve (13)；
The outdoor heat exchanger (11) includes the first refrigerant mouthful (111) and the second refrigerant mouthful (112)；
The variable conpacitance compressor (12) includes the first compression cylinder (121) and the second compression cylinder (122), first compression cylinder
(121) there are the first air inlet (1211) and the first gas outlet (1212), second compression cylinder (122) has the second air inlet
(1221) and the second gas outlet (1222), wherein, second gas outlet (1222) of second compression cylinder (122) with it is described
The exhaust outlet (127) of variable conpacitance compressor (12) is connected；
First four-way valve (13) includes valve body, the valve block for the valve pocket being arranged in the valve body, and first interface
(131), second interface (132), the 3rd interface (133) and the 4th interface (134), the valve block have connection first interface
(131) with second interface (132), connect the first valve position of the 3rd interface (133) and the 4th interface (134), connect second interface
And the 3rd interface (133), the second valve for blocking first interface (131) and the 4th interface (134) (132)；
Wherein, the second interface (132) is connected with second air inlet (1221), the 3rd interface (133) and institute
State the first gas outlet (1212) to be connected, the 4th interface (134) is connected with the exhaust outlet (127)；
The variable conpacitance compressor of the control air conditioner with twin-tub mode operation, including：Control first four-way valve
(13) valve block switches to the first valve position.
8. air conditioner according to claim 7, it is characterised in that the outdoor unit also includes the second four-way valve (14) and the
Three four-way valves (15), and the first gas-liquid separator (16) and the second gas-liquid separator (17)；
The indoor set (2) includes the first heat exchange unit and the second heat exchange unit, wherein, first heat exchange unit includes first
Indoor heat exchanger (21), second heat exchange unit includes the second indoor heat exchanger (22)；
First indoor heat exchanger (21) passes through second four-way valve (14) and the outdoor heat exchanger (11), the first gas-liquid
Separator (16), variable conpacitance compressor (12) are connected, and constitute the first refrigerant circulation stream；
Wherein, first indoor heat exchanger (21) includes the first cold coal mouthful (211) and the second cold coal mouthful (212)；Described first
Gas-liquid separator (16) includes the first import (161) and first outlet (162)；Second four-way valve (14) includes valve body, set
The valve block for the valve pocket being placed in the valve body, and first interface (141), second interface (142), the 3rd interface (143) and
Four interfaces (144), the valve block have connection first interface (141) with second interface (142), connect the 3rd interface (143) and
4th interface (144) the first valve position, connection second interface (142) and the 3rd interface (143), connect first interface (141) and
The second valve position of 4th interface (144)；
The first interface (141) of second four-way valve (14) and the first cold coal mouthful of first indoor heat exchanger (21)
(211) connect, second interface (142) is connected with the first import (161) of first gas-liquid separator (16), the 3rd interface
(142) it is connected with the first cold coal mouthful (111) of the outdoor heat exchanger (11), the 4th interface (144) compresses with the varying capacity
Exhaust outlet (127) connection of machine (12)；
Second cold coal mouthful (212) of first indoor heat exchanger (21) and the second cold coal mouthful of the outdoor heat exchanger (11)
(111) connect；
The first outlet (162) of first gas-liquid separator (16) and the first interface of first four-way valve (13)
(131) it is connected.
9. air conditioner according to claim 8, it is characterised in that
Second indoor heat exchanger (22) passes through the 3rd four-way valve (15) and the outdoor heat exchanger (11), the second gas-liquid
Separator (17), variable conpacitance compressor (12) are connected, and constitute the second refrigerant circulation stream；
Wherein, second indoor heat exchanger (22) includes the first cold coal mouthful (221) and the second cold coal mouthful (222)；Described second
Gas-liquid separator (17) includes the second import (171) and second outlet (172)；3rd four-way valve (15) includes valve body, set
The valve block for the valve pocket being placed in the valve body, and first interface (151), second interface (152), the 3rd interface (153) and
Four interfaces (154), the valve block have connection first interface (151) with second interface (152), connect the 3rd interface (153) and
4th connects the first valve position of (154), connection second interface (152) and the 3rd interface (153), connects first interface (151) and the
The second valve position of four interfaces (154)；
The first interface (151) of 3rd four-way valve (15) and the first cold coal mouthful of second indoor heat exchanger (22)
(221) connect, second interface (152) is connected with the second import (171) of second gas-liquid separator (17), the 3rd interface
(153) the first cold coal mouthful (111), the second cold coal mouthful (112) with the outdoor heat exchanger (11) is connected respectively, the 4th interface
(154) it is connected with the exhaust outlet (127) of the variable conpacitance compressor (12)；
Second cold coal mouthful (222) of second indoor heat exchanger (22) and the second cold coal mouthful of the outdoor heat exchanger (11)
(112) connect；
The second outlet (172) of second gas-liquid separator (17) and the first air inlet of first compression cylinder (121)
Mouth (1211) is connected；
The 3rd interface (153) of 3rd four-way valve (15) and the first of the outdoor heat exchanger (11) the cold coal mouthful
(111) the first magnetic valve (191), the 3rd interface of the 3rd four-way valve (11) are provided with the refrigerant pipeline between
(153) it is provided with the second magnetic valve on the refrigerant pipeline between the second cold coal mouthful (112) of the outdoor heat exchanger (11)
(1920；Second cold coal mouthful (222) of second indoor heat exchanger (22) and the second cold coal mouthful of the outdoor heat exchanger (11)
(112) the 3rd magnetic valve (193) is provided with the refrigerant pipeline between；Second cold coal mouthful of first indoor heat exchanger (21)
(212) it is provided with first throttle valve on the refrigerant pipeline between the second cold coal mouthful (112) of the outdoor heat exchanger (11)
(23), the second of second indoor heat exchanger (22) the cold coal mouthful (222) and the second cold coal mouthful of the outdoor heat exchanger (11)
(112) second throttle (24) is provided with the refrigerant pipeline between.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111503847A (en) * | 2020-04-27 | 2020-08-07 | 广东美的制冷设备有限公司 | Control method and device of air conditioner, air conditioner and electronic equipment |
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Effective date of registration: 20200909 Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Co-patentee after: QINGDAO HAIER (JIAOZHOU) AIR CONDITIONER Co.,Ltd. Patentee after: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee before: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. |
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Effective date of registration: 20201104 Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee after: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Patentee after: QINGDAO HAIER (JIAOZHOU) AIR CONDITIONER Co.,Ltd. Patentee after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee before: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Patentee before: QINGDAO HAIER (JIAOZHOU) AIR CONDITIONER Co.,Ltd. |