CN105928138A - Air conditioner and control method thereof - Google Patents
Air conditioner and control method thereof Download PDFInfo
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- CN105928138A CN105928138A CN201610264886.XA CN201610264886A CN105928138A CN 105928138 A CN105928138 A CN 105928138A CN 201610264886 A CN201610264886 A CN 201610264886A CN 105928138 A CN105928138 A CN 105928138A
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- Prior art keywords
- enthalpy
- air
- variable capacity
- increasing
- increasing compressor
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/08—Compressors specially adapted for separate outdoor units
- F24F1/12—Vibration or noise prevention thereof
-
- 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
-
- 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
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an air conditioner and a control method thereof. The air conditioner comprises a variable capacitance enthalpy increasing compressor device, an acquisition module, a temperature detector and a controller. The work modes of the variable capacitance enthalpy increasing compressor device include an ordinary compression mode, a single-cylinder enhanced vapor injection mode and a double-cylinder enhanced vapor injection mode. The acquisition module is used for acquiring the running mode of the air conditioner. The temperature detector is used for detecting the indoor environment temperature. The controller is connected with the variable capacitance enthalpy increasing compressor device, the acquisition module and the temperature detector. The controller controls the work modes of the variable capacitance enthalpy increasing compressor device according to the running mode of the air conditioner and the indoor environment temperature. According to the air conditioner in the embodiment, the refrigerating or heating speed can be increased, the refrigerating or heating effect can be improved, the running noise can be lowered, and meanwhile the energy efficiency ratio can be increased when the load is low.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly to a kind of air-conditioner and control method thereof.
Background technology
Along with the raising day by day of people's living standard, people are more and more higher to the requirement of quality of life.Wherein, air-conditioner
The universal important ring being to improve life comfort level.
At present, by using air injection enthalpy-increasing compressor to improve refrigeration or the heating effect of air-conditioner in correlation technique.Jet increases
Enthalpy compressor typically uses single rotor, this compressor operationally rotor single load bearing, causes vibration and noise the biggest.And
And, being limited by noise, the maximum running frequency of this compressor is also unsuitable too high, and this limits the output energy of compressor undoubtedly
Power, thus cause the refrigeration of air-conditioner and the speed heated the fastest, effect is the best.And common employing birotor
The air-conditioner of air injection enthalpy-increasing compressor, the electric energy that compressor operating is consumed is more, especially when air-conditioner load is relatively low, double
The power of rotary jet enthalpy-increasing compressor is relatively large, thus reduces the Energy Efficiency Ratio of air-conditioner.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in above-mentioned technology.To this end, the one of the present invention
Purpose is to propose a kind of air-conditioner, can not only improve refrigeration or the speed heated and effect, additionally it is possible to reduce and run noise,
Energy Efficiency Ratio can be improved when load is relatively low simultaneously.
Further object is that the control method proposing a kind of air-conditioner.
The air-conditioner of embodiment according to a first aspect of the present invention, including: variable capacity enthalpy-increasing compressor device, described variable capacity increases
The mode of operation of enthalpy compressor set includes Ordinary Compression pattern, single cylinder air injection enthalpy-increasing pattern and twin-tub air injection enthalpy-increasing pattern；Obtain
Delivery block, described acquisition module is in order to obtain the operational mode of described air-conditioner；Temperature detector, described temperature detector is used
To detect indoor environment temperature；Controller, described controller respectively with described variable capacity enthalpy-increasing compressor device, described acquisition
Module is connected with described temperature detector, and described controller is according to the operational mode of described air-conditioner and described indoor environment temperature
Control the mode of operation of described variable capacity enthalpy-increasing compressor device.
Air-conditioner according to embodiments of the present invention, by arranging variable capacity enthalpy-increasing compressor device, such controller can be according to sky
Operational mode and the indoor environment temperature of adjusting device control variable capacity enthalpy-increasing compressor device and increase in Ordinary Compression pattern, single cylinder jet
Switch between enthalpy pattern and twin-tub air injection enthalpy-increasing pattern, thus, when air-conditioner has the demand of big load, changeable can
The mode of operation of transfiguration enthalpy-increasing compressor device is twin-tub air injection enthalpy-increasing pattern, to improve the fan-out capability of compressor, thus carries
High air-conditioner refrigeration or the speed heated and effect, can also reduce operation noise simultaneously, relatively low at air-conditioner load
Time, the mode of operation of changeable variable capacity enthalpy-increasing compressor device is single cylinder air injection enthalpy-increasing pattern such that it is able to relative reduction is empty
Adjusting the energy consumption of device, improve the Energy Efficiency Ratio of air-conditioner, when air-conditioner load reduces further, changeable variable capacity increases enthalpy compression
The mode of operation of machine is Ordinary Compression pattern such that it is able to reduce energy consumption further.Therefore, the sky of the embodiment of the present invention
Adjust device can not only improve comfort level, fully meet the demand of user, moreover it is possible to reach energy-conservation purpose.
It addition, air-conditioner according to the above embodiment of the present invention can also have a following additional technical characteristic:
According to one embodiment of present invention, described variable capacity enthalpy-increasing compressor device includes the first control valve and enthalpy-increasing compressor,
Described enthalpy-increasing compressor includes the first air entry, the second air entry, air vent, gas supplementing opening and return-air assembly, described first control
Valve processed includes the first import, the second inlet and outlet, the first import of described first control valve and the row of described enthalpy-increasing compressor
QI KOU is connected, and the second import of described first control valve is connected with the first port of described return-air assembly, described return-air group
Second port of part is connected with the first air entry of described enthalpy-increasing compressor, the outlet of described first control valve and described increasing enthalpy
Second air entry of compressor is connected, and the gas supplementing opening of described enthalpy-increasing compressor is communicated to the first port of flasher components, institute
The second port stating flasher components is communicated to outdoor heat exchanger, and the 3rd port of flasher components is communicated to indoor heat exchanger,
Being provided with two-way valve between second port and the 3rd port of described flasher components, the gas supplementing opening of described enthalpy-increasing compressor is with described
It is provided with check valve between first port of flasher components.
Further, described controller is by controlling described first control valve, described two-way valve and described check valve to control institute
State the mode of operation of variable capacity enthalpy-increasing compressor device, wherein, when the second import and described first control of described first control valve
When the outlet of valve processed, described check valve are in opening and described two-way valve is closed, described variable capacity
Enthalpy-increasing compressor device enters described twin-tub air injection enthalpy-increasing pattern；The first import and described first control when described first control valve
When the outlet of valve processed, described check valve are in opening and described two-way valve is closed, described variable capacity
Enthalpy-increasing compressor device enters described single cylinder air injection enthalpy-increasing pattern；The first import and described first control when described first control valve
When the outlet of valve processed, described check valve are closed and described two-way valve is in opening, described variable capacity
Enthalpy-increasing compressor device enters described Ordinary Compression pattern.
Further, when the operational mode of described air-conditioner is heating mode, described controller is to described indoor environment temperature
Judging, wherein, when described indoor environment temperature is less than the first preset temperature, described controller controls described variable capacity
Enthalpy-increasing compressor device starts with described twin-tub air injection enthalpy-increasing pattern；When described indoor environment temperature is pre-more than or equal to first
If temperature and less than the second preset temperature time, described controller control described variable capacity enthalpy-increasing compressor device spray with described single cylinder
Gas increases enthalpy pattern and starts；When described indoor environment temperature is more than or equal to described second preset temperature, described controller control
Make described variable capacity enthalpy-increasing compressor device to start with described Ordinary Compression pattern.
Further, after described variable capacity enthalpy-increasing compressor device starts, if described indoor environment temperature is more than or equal to using
Family design temperature and preset temperature threshold value sum, described controller then controls described variable capacity enthalpy-increasing compressor device with described general
Logical compact model runs, and again deteriorates to less than described user's design temperature and described default temperature at described indoor environment temperature
When spending the difference of threshold value, described controller selects the work of described variable capacity enthalpy-increasing compressor device according to current indoor ambient temperature
Pattern.
Further, when the operational mode of described air-conditioner is refrigeration mode, described controller is to described indoor environment temperature
Judging, wherein, when described indoor environment temperature is less than three preset temperatures, described controller controls described variable capacity
Enthalpy-increasing compressor device starts with described Ordinary Compression pattern；When described indoor environment temperature is preset warm more than or equal to the 3rd
When spending and be less than four preset temperatures, described controller controls described variable capacity enthalpy-increasing compressor device and increases with described single cylinder jet
Enthalpy pattern starts；When described indoor environment temperature is more than or equal to described four preset temperature, described controller controls institute
State variable capacity enthalpy-increasing compressor device to start with described twin-tub air injection enthalpy-increasing pattern.
Further, after described variable capacity enthalpy-increasing compressor device starts, if described indoor environment temperature sets less than user
Fixed temperature and the difference of preset temperature threshold value, described controller then controls described variable capacity enthalpy-increasing compressor device with described common pressure
Compressed mode runs, and again rises to more than or equal to described user's design temperature and described default temperature at described indoor environment temperature
During degree threshold value sum, described controller selects the work of described variable capacity enthalpy-increasing compressor device according to current indoor ambient temperature
Pattern.
The control method of the air-conditioner of embodiment according to a second aspect of the present invention, wherein, described air-conditioner includes that variable capacity increases enthalpy
Compressor set, the mode of operation of described variable capacity enthalpy-increasing compressor device includes Ordinary Compression pattern, single cylinder air injection enthalpy-increasing mould
Formula and twin-tub air injection enthalpy-increasing pattern, said method comprising the steps of: obtain the operational mode of described air-conditioner；In sensing chamber
Ambient temperature；Operational mode and described indoor environment temperature according to described air-conditioner control described variable capacity enthalpy-increasing compressor dress
The mode of operation put.
The control method of air-conditioner according to embodiments of the present invention, can be according to the operational mode of air-conditioner and indoor environment temperature control
Variable capacity enthalpy-increasing compressor device processed enters between Ordinary Compression pattern, single cylinder air injection enthalpy-increasing pattern and twin-tub air injection enthalpy-increasing pattern
Row switching, thus, when air-conditioner has the demand of big load, the mode of operation of changeable variable capacity enthalpy-increasing compressor device is
Twin-tub air injection enthalpy-increasing pattern, to improve the fan-out capability of compressor, thus improves air-conditioner refrigeration or the speed heated and effect
Really, operation noise can also be reduced simultaneously, when air-conditioner load is relatively low, changeable variable capacity enthalpy-increasing compressor device
Mode of operation be single cylinder air injection enthalpy-increasing pattern such that it is able to the energy consumption of relative reduction air-conditioner, improve air-conditioner Energy Efficiency Ratio,
When air-conditioner load reduces further, the mode of operation of changeable variable capacity enthalpy-increasing compressor device is Ordinary Compression pattern,
It is thus possible to reduce energy consumption further, therefore, comfort level can not only be improved, fully meet the demand of user, moreover it is possible to reach
Energy-conservation purpose.
It addition, the control method of air-conditioner according to the above embodiment of the present invention can also have a following additional technical characteristic:
According to one embodiment of present invention, described variable capacity enthalpy-increasing compressor device includes the first control valve and enthalpy-increasing compressor,
Described enthalpy-increasing compressor includes the first air entry, the second air entry, air vent, gas supplementing opening and return-air assembly, described first control
Valve processed includes the first import, the second inlet and outlet, the first import of described first control valve and the row of described enthalpy-increasing compressor
QI KOU is connected, and the second import of described first control valve is connected with the first port of described return-air assembly, described return-air group
Second port of part is connected with the first air entry of described enthalpy-increasing compressor, the outlet of described first control valve and described increasing enthalpy
Second air entry of compressor is connected, and the gas supplementing opening of described enthalpy-increasing compressor is communicated to the first port of flasher components, institute
The second port stating flasher components is communicated to outdoor heat exchanger, and the 3rd port of flasher components is communicated to indoor heat exchanger,
Being provided with two-way valve between second port and the 3rd port of described flasher components, the gas supplementing opening of described enthalpy-increasing compressor is with described
It is provided with check valve, wherein, when second import and described first of described first control valve between first port of flasher components
When the outlet of control valve, described check valve are in opening and described two-way valve is closed, described variable
Hold enthalpy-increasing compressor device and enter described twin-tub air injection enthalpy-increasing pattern；The first import and described first when described first control valve
When the outlet of control valve, described check valve are in opening and described two-way valve is closed, described variable
Hold enthalpy-increasing compressor device and enter described single cylinder air injection enthalpy-increasing pattern；The first import and described first when described first control valve
When the outlet of control valve, described check valve are closed and described two-way valve is in opening, described variable
Hold enthalpy-increasing compressor device and enter described Ordinary Compression pattern.
Specifically, operational mode and described indoor environment temperature according to described air-conditioner control described variable capacity enthalpy-increasing compressor
The mode of operation of device, including: when the operational mode of described air-conditioner is heating mode, described indoor environment temperature is entered
Row judges；If described indoor environment temperature less than the first preset temperature, then control described variable capacity enthalpy-increasing compressor device with
Described twin-tub air injection enthalpy-increasing pattern starts；If described indoor environment temperature is more than or equal to the first preset temperature and less than the
Two preset temperatures, then control described variable capacity enthalpy-increasing compressor device and start with described single cylinder air injection enthalpy-increasing pattern；If
Described indoor environment temperature is more than or equal to described second preset temperature, then control described variable capacity enthalpy-increasing compressor device with described
Ordinary Compression pattern starts.
Specifically, operational mode and described indoor environment temperature according to described air-conditioner control described variable capacity enthalpy-increasing compressor
The mode of operation of device, also includes: after described variable capacity enthalpy-increasing compressor device starts, if described indoor environment temperature
More than or equal to user's design temperature and preset temperature threshold value sum, then control described variable capacity enthalpy-increasing compressor device with described general
Logical compact model runs；If described indoor environment temperature deteriorates to less than described user's design temperature and described default temperature again
The difference of degree threshold value, then select the mode of operation of described variable capacity enthalpy-increasing compressor device according to current indoor ambient temperature.
Specifically, operational mode and described indoor environment temperature according to described air-conditioner control described variable capacity enthalpy-increasing compressor
The mode of operation of device, including: when the operational mode of described air-conditioner is refrigeration mode, described indoor environment temperature is entered
Row judges；If described indoor environment temperature less than the 3rd preset temperature, then control described variable capacity enthalpy-increasing compressor device with
Described Ordinary Compression pattern starts；If described indoor environment temperature is more than or equal to the 3rd preset temperature and less than the 4th pre-
If temperature, then control described variable capacity enthalpy-increasing compressor device and start with described single cylinder air injection enthalpy-increasing pattern；If it is described
Indoor environment temperature is more than or equal to described 4th preset temperature, then control described variable capacity enthalpy-increasing compressor device with described twin-tub
Air injection enthalpy-increasing pattern starts.
Specifically, operational mode and described indoor environment temperature according to described air-conditioner control described variable capacity enthalpy-increasing compressor
The mode of operation of device, also includes: after described variable capacity enthalpy-increasing compressor device starts, if described indoor environment temperature
Less than the difference of user's design temperature Yu preset temperature threshold value, then control described variable capacity enthalpy-increasing compressor device with described common pressure
Compressed mode runs；If described indoor environment temperature rises to again more than or equal to described user's design temperature and described default temperature
Degree threshold value sum, then select the mode of operation of described variable capacity enthalpy-increasing compressor device according to current indoor ambient temperature.
Accompanying drawing explanation
Fig. 1 is the block diagram of the air-conditioner according to one embodiment of the invention；
Fig. 2 is the structural representation of the air-conditioner according to one embodiment of the invention；
Fig. 3 is the schematic diagram of the remote controller of the air-conditioner according to one embodiment of the invention；
Fig. 4 is the flow chart of the control method of the air-conditioner according to one embodiment of the invention；
Fig. 5 is the flow chart of the control method of the air-conditioner according to another embodiment of the present invention.
Reference:
The 10, first control valve the 11, first import the 111, second import 112 of variable capacity enthalpy-increasing compressor device, outlet 113,
Enthalpy-increasing compressor the 12, first air entry the 121, second air entry 122, air vent 123, gas supplementing opening 124, return-air assembly 125；
Acquisition module 20, temperature detector 30, controller 40；
Flasher components 50, the first port 51 of flasher components, the second port 52 of flasher components, flasher components
3rd port 53, two-way valve 54, check valve 55；
Outdoor heat exchanger 60, indoor heat exchanger 70；
Cross valve 80, the first port 81 of cross valve, the second port 82 of cross valve, the 3rd port 83, four of cross valve
4th port 84 of logical valve.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most identical
Or similar label represents same or similar element or has the element of same or like function.Retouch below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Air-conditioner and control method thereof that the embodiment of the present invention proposes are described below in conjunction with the accompanying drawings.
Fig. 1 is the block diagram of the air-conditioner according to one embodiment of the invention.
As it is shown in figure 1, the air-conditioner of the embodiment of the present invention, including: variable capacity enthalpy-increasing compressor device 10, acquisition module 20,
Temperature detector 30 and controller 40.
Wherein, variable capacity enthalpy-increasing compressor device 10 includes enthalpy-increasing compressor, the work of variable capacity enthalpy-increasing compressor device 10
Pattern includes Ordinary Compression pattern, single cylinder air injection enthalpy-increasing pattern and twin-tub air injection enthalpy-increasing pattern.Under Ordinary Compression pattern, increase
Enthalpy compressor not jet, does not increase enthalpy, and single rotor runs；Under single cylinder air injection enthalpy-increasing pattern, enthalpy-increasing compressor air injection enthalpy-increasing,
And single rotor runs；Under twin-tub air injection enthalpy-increasing pattern, enthalpy-increasing compressor air injection enthalpy-increasing, and birotor operation.
Acquisition module 20 is in order to obtain the operational mode of air-conditioner, and temperature detector 30, in order to detect indoor environment temperature, is controlled
Device 40 processed is connected with variable capacity enthalpy-increasing compressor device 10, acquisition module 20 and temperature detector 30 respectively, controller 40
Operational mode according to air-conditioner and the mode of operation of indoor environment temperature control variable capacity enthalpy-increasing compressor device 10.
Fig. 2 is the structural representation of the air-conditioner according to one embodiment of the invention.As in figure 2 it is shown, variable capacity increases enthalpy compression
Machine 10 can include the first control valve 11 and enthalpy-increasing compressor 12.Wherein, enthalpy-increasing compressor 12 can include the first air-breathing
Mouth the 121, second air entry 122, air vent 123, gas supplementing opening 124 and return-air assembly 125.First control valve 11 can include
First import the 111, second import 112 and outlet 113.
Specifically, in one embodiment of the invention, the first control valve 11 can be three-way valve, it is possible to for other and three-way valve
The parts that function is identical.For example, after the cross valve with four import/exports is blocked an import/export, this four-way
Valve can realize the function identical with three-way valve, and therefore, the first control valve 11 has alternatively been plugged the four-way of an import/export
Valve.
As in figure 2 it is shown, the first import 111 of the first control valve 11 can be connected with the air vent 123 of enthalpy-increasing compressor 12,
Second import 112 of the first control valve 11 can be connected with the first port of return-air assembly 125, the second of return-air assembly 125
Port can be connected with the first air entry 121 of enthalpy-increasing compressor 12, and the outlet 113 of the first control valve 11 can be with increasing enthalpy pressure
Second air entry 122 of contracting machine 12 is connected.The gas supplementing opening 124 of enthalpy-increasing compressor 12 can be communicated to flasher components 50
First port 51, the second port 52 of flasher components 50 can be communicated to outdoor heat exchanger 60, the of flasher components 50
Three ports 53 can be communicated to indoor heat exchanger 70, can set between the second port 52 and the 3rd port 53 of flasher components 50
There is two-way valve 54, between gas supplementing opening 124 and first port 51 of flasher components 50 of enthalpy-increasing compressor 12, list can be provided with
To valve 55.Wherein, the forward end of check valve 55 can be connected with the first port 51 of flasher components 50, check valve 55
Backward end can be connected with the gas supplementing opening 124 of enthalpy-increasing compressor 12.
Based on above-mentioned annexation, controller 40 can be by controlling the first control valve 11, two-way valve 54 and check valve 55
To control the mode of operation of variable capacity enthalpy-increasing compressor device 10.Specifically, when the second import 112 of the first control valve 11
When outlet 113 with the first control valve 11 connects, check valve 55 is in opening and two-way valve 54 is closed,
Variable capacity enthalpy-increasing compressor device 10 enters twin-tub air injection enthalpy-increasing pattern, is now capable of the output of air-conditioner bigger ability, empty
The performance adjusting device is more powerful, especially when superhigh temperature refrigeration or ultralow temperature heat, can realize room in the short period of time
Temperature regulation puts in place, improves the comfortableness of user；When the first import 111 of the first control valve 11 and the first control valve 11
When outlet 113 connects, check valve 55 is in opening and two-way valve 54 is closed, variable capacity increases enthalpy compression
Machine 10 enters single cylinder air injection enthalpy-increasing pattern, is now capable of the output of air-conditioner lower capability, reduces vibration of compressor,
Reduce complete machine noise, and energy-conservation purpose can be reached；The first import 111 and the first control valve 11 when the first control valve 11
Outlet 113 connect, check valve 55 is closed and time two-way valve 54 is in opening, variable capacity increases enthalpy pressure
Contracting machine 10 enters Ordinary Compression pattern, and now air-conditioner fan-out capability reduces further, vibration of compressor and complete machine noise
Reduce further, and more energy-conservation.
Further, as in figure 2 it is shown, in the air-conditioner of the embodiment of the present invention, the air vent 123 of enthalpy-increasing compressor 12 is also
Can be connected with the first port 81 of cross valve 80, the second port 82 of cross valve 80 can be communicated to outdoor heat exchanger 60,
3rd port 83 of cross valve 80 can be communicated to indoor heat exchanger 70, and the 4th port 84 of cross valve 80 can be with return-air assembly
The gas returning port of 125 is connected.Wherein, also can set between the second port 52 and the outdoor heat exchanger 60 of flasher components 50
Putting first throttle assembly 61 (can be such as electric expansion valve), the 3rd port 53 at flasher components 50 changes with indoor
Second orifice union 71 (being equally electric expansion valve) also can be set between hot device 70.
In an embodiment of the present invention, controller 40 can control variable capacity according to the operational mode of air-conditioner and indoor environment temperature
Enthalpy-increasing compressor device starts with Ordinary Compression pattern, single cylinder air injection enthalpy-increasing pattern or twin-tub air injection enthalpy-increasing pattern or runs, from
And the big ability of air-conditioner can not only be realized and export so that indoor environment is rapidly heated or fast cooling, additionally it is possible to reduce compressor
Vibration, reduces the noise of air-conditioner, it is achieved air-conditioner low-power, high energy efficiency are run, energy-conserving and environment-protective.
Specifically, when the operational mode of air-conditioner is heating mode, indoor environment temperature can be judged by controller 40,
Wherein, when indoor environment temperature is less than the first preset temperature, controller 40 can control variable capacity enthalpy-increasing compressor device 10
Start with twin-tub air injection enthalpy-increasing pattern；When indoor environment temperature more than or equal to the first preset temperature and presets temperature less than second
When spending, controller 40 can control variable capacity enthalpy-increasing compressor device 10 and start with single cylinder air injection enthalpy-increasing pattern；Work as indoor
When ambient temperature is more than or equal to described second preset temperature, controller 40 can control variable capacity enthalpy-increasing compressor device 10 with general
Logical compact model starts.After variable capacity enthalpy-increasing compressor device 10 starts, if indoor environment temperature is more than or equal to using
Family design temperature and preset temperature threshold value sum, controller 40 then controls variable capacity enthalpy-increasing compressor device 10 with Ordinary Compression
Mode operation, and when indoor environment temperature deteriorates to less than the difference of user's design temperature and preset temperature threshold value again, control
Device 40 selects the mode of operation of variable capacity enthalpy-increasing compressor device 10 according to current indoor ambient temperature.
According to one embodiment of present invention, when the operational mode of air-conditioner is refrigeration mode, controller 40 is to indoor environment
Temperature judges, wherein, when indoor environment temperature is less than three preset temperatures, controller 40 can control variable capacity and increase enthalpy
Compressor set 10 starts with Ordinary Compression pattern；When indoor environment temperature is more than or equal to the 3rd preset temperature and less than the
During four preset temperatures, controller 40 can control variable capacity enthalpy-increasing compressor device 10 and start with single cylinder air injection enthalpy-increasing pattern；
When indoor environment temperature more than or equal to four preset temperatures time, controller 40 can control variable capacity enthalpy-increasing compressor device 10 with
Twin-tub air injection enthalpy-increasing pattern starts.After variable capacity enthalpy-increasing compressor device starts, if indoor environment temperature is less than using
Family design temperature and the difference of preset temperature threshold value, controller 40 then controls variable capacity enthalpy-increasing compressor device 10 with Ordinary Compression
Mode operation, and when indoor environment temperature rises to again more than or equal to user's design temperature and preset temperature threshold value sum,
Controller 40 selects the mode of operation of variable capacity enthalpy-increasing compressor device 10 according to current indoor ambient temperature.
It should be noted that above-mentioned first to fourth preset temperature can preset and be stored in controller 40, first to
Four preset temperatures are demarcated according to design parameter and the actual performance of air-conditioner.
It addition, in one embodiment of the invention, controller 40 also can select variable capacity enthalpy-increasing compressor according to user instruction
The mode of operation of device.Should be appreciated that the fan-out capability of enthalpy-increasing compressor is higher, air-conditioning under twin-tub air injection enthalpy-increasing pattern
Device refrigeration or the speed effect heated are preferable；Under single cylinder air injection enthalpy-increasing pattern, the fan-out capability of enthalpy-increasing compressor is taken second place,
Air-conditioner refrigeration or the speed heated are relatively slow, and effect is the poorest；Under Ordinary Compression pattern, the output of enthalpy-increasing compressor
Ability is minimum, and air-conditioner refrigeration or the speed heated are the slowest, and effect is the most worst.Therefore, can be according to user for air-conditioner system
Cold or heat the demand of speed, effect, select the mode of operation of variable capacity enthalpy-increasing compressor device.Specifically, at this
In a bright embodiment, available remote controller shown in Fig. 3, by very fast refrigeration hot button select twin-tub air injection enthalpy-increasing
Pattern, by fast-refrigerating hot button select single cylinder air injection enthalpy-increasing pattern, and by common refrigeration hot button select commonly
Compact model.
Air-conditioner according to embodiments of the present invention, by arranging variable capacity enthalpy-increasing compressor device, such controller can be according to sky
Operational mode and the indoor environment temperature of adjusting device control variable capacity enthalpy-increasing compressor device and increase in Ordinary Compression pattern, single cylinder jet
Switch between enthalpy pattern and twin-tub air injection enthalpy-increasing pattern, thus, when air-conditioner has the demand of big load, changeable can
The mode of operation of transfiguration enthalpy-increasing compressor device is twin-tub air injection enthalpy-increasing pattern, to improve the fan-out capability of compressor, thus carries
High air-conditioner refrigeration or the speed heated and effect, can also reduce operation noise simultaneously, relatively low at air-conditioner load
Time, the mode of operation of changeable variable capacity enthalpy-increasing compressor device is single cylinder air injection enthalpy-increasing pattern such that it is able to relative reduction is empty
Adjusting the energy consumption of device, improve the Energy Efficiency Ratio of air-conditioner, when air-conditioner load reduces further, changeable variable capacity increases enthalpy compression
The mode of operation of machine is Ordinary Compression pattern such that it is able to reduce energy consumption further.Therefore, the sky of the embodiment of the present invention
Adjust device can not only improve comfort level, fully meet the demand of user, moreover it is possible to reach energy-conservation purpose.
Fig. 4 is the flow chart of the control method of the air-conditioner according to the embodiment of the present invention, and wherein, this air-conditioner can be above-mentioned reality
Executing the air-conditioner that example describes, it includes variable capacity enthalpy-increasing compressor device, the mode of operation bag of variable capacity enthalpy-increasing compressor device
Include Ordinary Compression pattern, single cylinder air injection enthalpy-increasing pattern and twin-tub air injection enthalpy-increasing pattern.Further, variable capacity enthalpy-increasing compressor
Device includes the first control valve and enthalpy-increasing compressor, enthalpy-increasing compressor include the first air entry, the second air entry, air vent,
Gas supplementing opening and return-air assembly, the first control valve includes the first import, the second inlet and outlet, the first import of the first control valve
Being connected with the air vent of enthalpy-increasing compressor, the second import of the first control valve is connected with the first port of return-air assembly, returns
Second port of pneumatic module is connected with the first air entry of enthalpy-increasing compressor, the outlet of the first control valve and enthalpy-increasing compressor
Second air entry is connected, and the gas supplementing opening of enthalpy-increasing compressor is communicated to the first port of flasher components, the of flasher components
Two-port netwerk is communicated to outdoor heat exchanger, and the 3rd port of flasher components is communicated to indoor heat exchanger, the second of flasher components
It is provided with two-way valve between port and the 3rd port, is provided with between gas supplementing opening and first port of flasher components of enthalpy-increasing compressor
Check valve.Wherein, when the second import and the outlet of the first control valve, the check valve of the first control valve be in opening,
And two-way valve is when being closed, variable capacity enthalpy-increasing compressor device enters twin-tub air injection enthalpy-increasing pattern；When the first control valve
The first import and the outlet of the first control valve, check valve be in opening and time two-way valve is closed,
Variable capacity enthalpy-increasing compressor device enters single cylinder air injection enthalpy-increasing pattern；The first import and the first control valve when the first control valve
When outlet, check valve are closed and two-way valve is in opening, variable capacity enthalpy-increasing compressor device enters
Ordinary Compression pattern.
As shown in Figure 4, the control method of the air-conditioner of the embodiment of the present invention, comprise the following steps:
S401, obtains the operational mode of air-conditioner.
Wherein, the operational mode of air-conditioner can include heating mode and refrigeration mode.
S402, detects indoor environment temperature.
S403, according to operational mode and the mode of operation of indoor environment temperature control variable capacity enthalpy-increasing compressor device of air-conditioner.
Specifically, when the operational mode of air-conditioner is heating mode, indoor environment temperature is judged；If indoor ring
Border temperature is less than the first preset temperature, then control variable capacity enthalpy-increasing compressor device and start with twin-tub air injection enthalpy-increasing pattern；
If indoor environment temperature is more than or equal to the first preset temperature and less than the second preset temperature, then control variable capacity enthalpy-increasing compressor
Device starts with single cylinder air injection enthalpy-increasing pattern；If indoor environment temperature is more than or equal to the second preset temperature, then controlling can
Transfiguration enthalpy-increasing compressor device starts with Ordinary Compression pattern.After variable capacity enthalpy-increasing compressor device starts, if room
Interior ambient temperature more than or equal to user's design temperature and preset temperature threshold value sum, then control variable capacity enthalpy-increasing compressor device with
Ordinary Compression mode operation；If indoor environment temperature deteriorates to less than the difference of user's design temperature and preset temperature threshold value again,
The mode of operation of variable capacity enthalpy-increasing compressor device is then selected according to current indoor ambient temperature.
When the operational mode of air-conditioner is refrigeration mode, indoor environment temperature is judged；If indoor environment temperature is little
In the 3rd preset temperature, then control variable capacity enthalpy-increasing compressor device and start with Ordinary Compression pattern；If indoor environment
Temperature more than or equal to the 3rd preset temperature and less than the 4th preset temperature, then controls variable capacity enthalpy-increasing compressor device and sprays with single cylinder
Gas increases enthalpy pattern and starts；If indoor environment temperature is more than or equal to the 4th preset temperature, then controls variable capacity and increase enthalpy compression
Machine starts with twin-tub air injection enthalpy-increasing pattern.After variable capacity enthalpy-increasing compressor device starts, if indoor environment temperature
Degree less than the difference of user's design temperature with preset temperature threshold value, then controls variable capacity enthalpy-increasing compressor device with Ordinary Compression pattern
Run；If indoor environment temperature rises to again more than or equal to user's design temperature and preset temperature threshold value sum, then basis
Current indoor ambient temperature selects the mode of operation of variable capacity enthalpy-increasing compressor device.
A concrete example according to the present invention, as it is shown in figure 5, after have selected the operational mode of air-conditioner, have selected system
In the case of heat pattern, indoor environment temperature T1 can be judged, and determine that variable capacity increases according to indoor environment temperature T1
The start-up mode of enthalpy compressor set.After the startup of variable capacity enthalpy-increasing compressor device, if indoor environment temperature T1 is more than
Equal to user design temperature TS and preset temperature threshold value δ t sum, then control variable capacity enthalpy-increasing compressor device with Ordinary Compression
Mode operation, if indoor environment temperature T1 again deteriorate to less than user design temperature TS and preset temperature threshold value δ t it
Difference, then select the mode of operation of variable capacity enthalpy-increasing compressor device according to current indoor ambient temperature T1；Have selected refrigeration mould
In the case of formula, indoor environment temperature T1 can be judged, and determine that variable capacity increases enthalpy pressure according to indoor environment temperature T1
The start-up mode of contracting machine.After the startup of variable capacity enthalpy-increasing compressor device, if indoor environment temperature T1 is less than user
The difference of design temperature TS and preset temperature threshold value δ t, then control variable capacity enthalpy-increasing compressor device is with Ordinary Compression mode operation,
If indoor environment temperature T1 rises to more than or equal to user design temperature TS and preset temperature threshold value δ t sum again, then
The mode of operation of variable capacity enthalpy-increasing compressor device is selected according to current indoor ambient temperature T1.
It should be noted that above-mentioned first to fourth preset temperature can preset and be stored in controller 40, first to
Four preset temperatures are demarcated according to design parameter and the actual performance of air-conditioner.
Variable capacity is selected to increase enthalpy pressure it addition, the control method of the air-conditioner of the embodiment of the present invention may also include that according to user instruction
The mode of operation of contracting machine.Should be appreciated that the fan-out capability of enthalpy-increasing compressor is higher under twin-tub air injection enthalpy-increasing pattern,
Air-conditioner refrigeration or the speed effect heated are preferable；Under single cylinder air injection enthalpy-increasing pattern, the fan-out capability of enthalpy-increasing compressor
Taking second place, air-conditioner refrigeration or the speed heated are relatively slow, and effect is the poorest；Under Ordinary Compression pattern, enthalpy-increasing compressor
Fan-out capability minimum, air-conditioner refrigeration or the speed that heats are the slowest, and effect is the most worst.Therefore, can be according to user for sky
Adjust device refrigeration or heat the demand of speed, effect, selecting the mode of operation of variable capacity enthalpy-increasing compressor device.Specifically,
In one embodiment of the invention, available remote controller shown in Fig. 3, by very fast refrigeration hot button select twin-tub to spray
Gas increases enthalpy pattern, by fast-refrigerating hot button select single cylinder air injection enthalpy-increasing pattern, and by common refrigeration hot button select
Select Ordinary Compression pattern.
The control method of air-conditioner according to embodiments of the present invention, can be according to the operational mode of air-conditioner and indoor environment temperature control
Variable capacity enthalpy-increasing compressor device processed enters between Ordinary Compression pattern, single cylinder air injection enthalpy-increasing pattern and twin-tub air injection enthalpy-increasing pattern
Row switching, thus, when air-conditioner has the demand of big load, the mode of operation of changeable variable capacity enthalpy-increasing compressor device is
Twin-tub air injection enthalpy-increasing pattern, to improve the fan-out capability of compressor, thus improves air-conditioner refrigeration or the speed heated and effect
Really, operation noise can also be reduced simultaneously, when air-conditioner load is relatively low, changeable variable capacity enthalpy-increasing compressor device
Mode of operation be single cylinder air injection enthalpy-increasing pattern such that it is able to the energy consumption of relative reduction air-conditioner, improve air-conditioner Energy Efficiency Ratio,
When air-conditioner load reduces further, the mode of operation of changeable variable capacity enthalpy-increasing compressor device is Ordinary Compression pattern,
It is thus possible to reduce energy consumption further, therefore, comfort level can not only be improved, fully meet the demand of user, moreover it is possible to reach
Energy-conservation purpose.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward ",
Orientation or the position relationship of the instruction such as " clockwise ", " counterclockwise ", " axially ", " radially ", " circumferential " are based on shown in the drawings
Orientation or position relationship, be for only for ease of describe the present invention and simplify describe rather than instruction or hint indication device or
Element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance or
The implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or hidden
One or more this feature are included containing ground.In describing the invention, " multiple " are meant that two or more,
Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", the art such as " fixing "
Language should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be machinery
Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two units
Connection within part or the interaction relationship of two elements.For the ordinary skill in the art, can be according to tool
Body situation understands above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be
First and second features directly contact, or the first and second features are by intermediary mediate contact.And, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below "
Can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second
Feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " concrete example ",
Or specific features, structure, material or the feature bag that the description of " some examples " etc. means to combine this embodiment or example describes
It is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term necessarily
It is directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be arbitrary
Individual or multiple embodiment or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be combined by art personnel
And combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is exemplary,
Being not considered as limiting the invention, those of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, revises, replaces and modification.
Claims (13)
1. an air-conditioner, it is characterised in that including:
Variable capacity enthalpy-increasing compressor device, the mode of operation of described variable capacity enthalpy-increasing compressor device include Ordinary Compression pattern,
Single cylinder air injection enthalpy-increasing pattern and twin-tub air injection enthalpy-increasing pattern；
Acquisition module, described acquisition module is in order to obtain the operational mode of described air-conditioner；
Temperature detector, described temperature detector is in order to detect indoor environment temperature；
Controller, described controller is examined with described variable capacity enthalpy-increasing compressor device, described acquisition module and described temperature respectively
Survey device is connected, and described controller controls described variable capacity increase according to operational mode and the described indoor environment temperature of described air-conditioner
The mode of operation of enthalpy compressor set.
Air-conditioner the most according to claim 1, it is characterised in that described variable capacity enthalpy-increasing compressor device includes first
Control valve and enthalpy-increasing compressor, described enthalpy-increasing compressor include the first air entry, the second air entry, air vent, gas supplementing opening and
Return-air assembly, described first control valve includes the first import, the second inlet and outlet, the first import of described first control valve
It is connected with the air vent of described enthalpy-increasing compressor, the second import of described first control valve and the first end of described return-air assembly
Mouth is connected, and the second port of described return-air assembly is connected with the first air entry of described enthalpy-increasing compressor, described first control
The outlet of valve processed is connected with the second air entry of described enthalpy-increasing compressor, and the gas supplementing opening of described enthalpy-increasing compressor is communicated to flash distillation
First port of device assembly, the second port of described flasher components is communicated to outdoor heat exchanger, the 3rd end of flasher components
Mouth is communicated to indoor heat exchanger, is provided with two-way valve, described increasing enthalpy between the second port and the 3rd port of described flasher components
It is provided with check valve between gas supplementing opening and first port of described flasher components of compressor.
Air-conditioner the most according to claim 2, it is characterised in that described controller by control described first control valve,
Described two-way valve and described check valve are to control the mode of operation of described variable capacity enthalpy-increasing compressor device, wherein,
When the second import of described first control valve is in unlatching shape with the outlet of described first control valve, described check valve
When state and described two-way valve are closed, described variable capacity enthalpy-increasing compressor device enters described twin-tub air injection enthalpy-increasing mould
Formula；
When the first import of described first control valve is in unlatching shape with the outlet of described first control valve, described check valve
When state and described two-way valve are closed, described variable capacity enthalpy-increasing compressor device enters described single cylinder air injection enthalpy-increasing mould
Formula；
When the first import of described first control valve is in closedown shape with the outlet of described first control valve, described check valve
When state and described two-way valve are in opening, described variable capacity enthalpy-increasing compressor device enters described Ordinary Compression pattern.
Air-conditioner the most according to claim 3, it is characterised in that when the operational mode of described air-conditioner is heating mode
Time, described indoor environment temperature is judged by described controller, wherein,
When described indoor environment temperature is less than the first preset temperature, described controller controls described variable capacity enthalpy-increasing compressor dress
Put and start with described twin-tub air injection enthalpy-increasing pattern；
When described indoor environment temperature is more than or equal to the first preset temperature and is less than the second preset temperature, described controller controls
Described variable capacity enthalpy-increasing compressor device starts with described single cylinder air injection enthalpy-increasing pattern；
When described indoor environment temperature is more than or equal to described second preset temperature, described controller controls described variable capacity and increases enthalpy
Compressor set starts with described Ordinary Compression pattern.
Air-conditioner the most according to claim 4, it is characterised in that after described variable capacity enthalpy-increasing compressor device starts,
If described indoor environment temperature is more than or equal to user's design temperature and preset temperature threshold value sum, described controller then controls institute
State variable capacity enthalpy-increasing compressor device with described Ordinary Compression mode operation, and again drop to little at described indoor environment temperature
When described user's design temperature is with the difference of described preset temperature threshold value, described controller selects according to current indoor ambient temperature
The mode of operation of described variable capacity enthalpy-increasing compressor device.
Air-conditioner the most according to claim 3, it is characterised in that when the operational mode of described air-conditioner is refrigeration mode
Time, described indoor environment temperature is judged by described controller, wherein,
When described indoor environment temperature is less than three preset temperatures, described controller controls described variable capacity enthalpy-increasing compressor dress
Put and start with described Ordinary Compression pattern；
When described indoor environment temperature is more than or equal to the 3rd preset temperature and is less than four preset temperatures, described controller controls
Described variable capacity enthalpy-increasing compressor device starts with described single cylinder air injection enthalpy-increasing pattern；
When described indoor environment temperature is more than or equal to described four preset temperature, described controller controls described variable capacity and increases enthalpy
Compressor set starts with described twin-tub air injection enthalpy-increasing pattern.
Air-conditioner the most according to claim 6, it is characterised in that after described variable capacity enthalpy-increasing compressor device starts,
If described indoor environment temperature is less than the difference of user's design temperature and preset temperature threshold value, described controller then control described can
Transfiguration enthalpy-increasing compressor device is with described Ordinary Compression mode operation, and again rises to be more than at described indoor environment temperature
When described user's design temperature is with described preset temperature threshold value sum, described controller selects according to current indoor ambient temperature
The mode of operation of described variable capacity enthalpy-increasing compressor device.
8. the control method of an air-conditioner, it is characterised in that described air-conditioner includes variable capacity enthalpy-increasing compressor device, institute
The mode of operation stating variable capacity enthalpy-increasing compressor device includes that Ordinary Compression pattern, single cylinder air injection enthalpy-increasing pattern and twin-tub jet increase
Enthalpy pattern, said method comprising the steps of:
Obtain the operational mode of described air-conditioner；
Detection indoor environment temperature；
Operational mode according to described air-conditioner and the work of the described indoor environment temperature described variable capacity enthalpy-increasing compressor device of control
Operation mode.
Method the most according to claim 8, it is characterised in that described variable capacity enthalpy-increasing compressor device includes the first control
Valve processed and enthalpy-increasing compressor, described enthalpy-increasing compressor includes the first air entry, the second air entry, air vent, gas supplementing opening and returns
Pneumatic module, described first control valve includes the first import, the second inlet and outlet, the first import of described first control valve with
The air vent of described enthalpy-increasing compressor is connected, the second import of described first control valve and the first port of described return-air assembly
Being connected, the second port of described return-air assembly is connected with the first air entry of described enthalpy-increasing compressor, and described first controls
The outlet of valve is connected with the second air entry of described enthalpy-increasing compressor, and the gas supplementing opening of described enthalpy-increasing compressor is communicated to flash vessel
First port of assembly, the second port of described flasher components is communicated to outdoor heat exchanger, the 3rd port of flasher components
It is communicated to indoor heat exchanger, between the second port and the 3rd port of described flasher components, is provided with two-way valve, described increasing enthalpy pressure
It is provided with check valve between gas supplementing opening and first port of described flasher components of contracting machine, wherein,
When the second import of described first control valve is in unlatching shape with the outlet of described first control valve, described check valve
When state and described two-way valve are closed, described variable capacity enthalpy-increasing compressor device enters described twin-tub air injection enthalpy-increasing mould
Formula；
When the first import of described first control valve is in unlatching shape with the outlet of described first control valve, described check valve
When state and described two-way valve are closed, described variable capacity enthalpy-increasing compressor device enters described single cylinder air injection enthalpy-increasing mould
Formula；
When the first import of described first control valve is in closedown shape with the outlet of described first control valve, described check valve
When state and described two-way valve are in opening, described variable capacity enthalpy-increasing compressor device enters described Ordinary Compression pattern.
Method the most according to claim 9, it is characterised in that according to operational mode and the described room of described air-conditioner
Interior ambient temperature controls the mode of operation of described variable capacity enthalpy-increasing compressor device, including:
When the operational mode of described air-conditioner is heating mode, described indoor environment temperature is judged；
If described indoor environment temperature is less than the first preset temperature, then control described variable capacity enthalpy-increasing compressor device with described
Twin-tub air injection enthalpy-increasing pattern starts；
If described indoor environment temperature is more than or equal to the first preset temperature and less than the second preset temperature, then control described variable
Hold enthalpy-increasing compressor device to start with described single cylinder air injection enthalpy-increasing pattern；
If described indoor environment temperature is more than or equal to described second preset temperature, then control described variable capacity enthalpy-increasing compressor dress
Put and start with described Ordinary Compression pattern.
11. methods according to claim 10, it is characterised in that according to operational mode and the described room of described air-conditioner
Interior ambient temperature controls the mode of operation of described variable capacity enthalpy-increasing compressor device, also includes:
After described variable capacity enthalpy-increasing compressor device starts, if described indoor environment temperature is more than or equal to user's design temperature
With preset temperature threshold value sum, then control described variable capacity enthalpy-increasing compressor device with described Ordinary Compression mode operation；
If described indoor environment temperature deteriorates to less than the difference of described user's design temperature and described preset temperature threshold value again,
The mode of operation of described variable capacity enthalpy-increasing compressor device is then selected according to current indoor ambient temperature.
12. methods according to claim 9, it is characterised in that according to operational mode and the described room of described air-conditioner
Interior ambient temperature controls the mode of operation of described variable capacity enthalpy-increasing compressor device, including:
When the operational mode of described air-conditioner is refrigeration mode, described indoor environment temperature is judged；
If described indoor environment temperature is less than the 3rd preset temperature, then control described variable capacity enthalpy-increasing compressor device with described
Ordinary Compression pattern starts；
If described indoor environment temperature is more than or equal to the 3rd preset temperature and less than the 4th preset temperature, then control described variable
Hold enthalpy-increasing compressor device to start with described single cylinder air injection enthalpy-increasing pattern；
If described indoor environment temperature is more than or equal to described 4th preset temperature, then control described variable capacity enthalpy-increasing compressor dress
Put and start with described twin-tub air injection enthalpy-increasing pattern.
13. methods according to claim 12, it is characterised in that according to operational mode and the described room of described air-conditioner
Interior ambient temperature controls the mode of operation of described variable capacity enthalpy-increasing compressor device, also includes:
After described variable capacity enthalpy-increasing compressor device starts, if described indoor environment temperature is less than user's design temperature with pre-
If the difference of temperature threshold, then control described variable capacity enthalpy-increasing compressor device with described Ordinary Compression mode operation；
If described indoor environment temperature again rise to more than or equal to described user's design temperature and described preset temperature threshold value it
With, then the mode of operation of described variable capacity enthalpy-increasing compressor device is selected according to current indoor ambient temperature.
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