CN109237676A - Transfiguration air-conditioning and its transfiguration control method - Google Patents
Transfiguration air-conditioning and its transfiguration control method Download PDFInfo
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- CN109237676A CN109237676A CN201811127674.2A CN201811127674A CN109237676A CN 109237676 A CN109237676 A CN 109237676A CN 201811127674 A CN201811127674 A CN 201811127674A CN 109237676 A CN109237676 A CN 109237676A
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- gas
- transfiguration
- component
- cylinder body
- pressure
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Classifications
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- 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
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
Abstract
The present invention relates to a kind of transfiguration air-conditioning and its transfiguration control methods.Wherein, transfiguration air-conditioning includes: compressor comprising at least two cylinder bodies and transfiguration mouth, the transfiguration mouth is for optionally providing gas to the switching position of at least one cylinder body, so that cylinder body alternately switches between working condition and off working state；Refrigerating circulation where the compressor；And gas draws component, the different position of its interior pressure limit of at least three of the refrigerating circulation is equipped with the gas and draws component, the gas draws the gas pressure in the refrigerating circulation of the component for acquiring its position, for guiding the gas of required pressure into the transfiguration mouth.The present invention can be current according to compressor running frequency, choose gas pressure difference required for the switching position of cylinder body, lead to transfiguration mouth so that corresponding gas is drawn the gas that component is drawn, avoids sharp impacts, noise and the problem on deformation of the excessive generation of gas differential pressure.
Description
Technical field
The present invention relates to field of air conditioning more particularly to a kind of transfiguration air-conditioning and its transfiguration control methods.
Background technique
In order to solve the industry problems of multi-connected machine underload efficiency difference, develops and Compressor Technology is switched based on size volume
Multi-line system.Wherein, the alternating switching of the cylinder body working condition and off working state of compressor is by slide plate and rotor
Contact or separation realize.In existing control technology, it is by the pressure difference in system to slide plate that unit single cylinder, which cuts twin-tub,
Pressure is generated, slide plate is pushed to contact realization with rotor.If system pressure difference is excessive, the motive force of slide plate is increased, then will lead to
Slide plate and rotor collision are more violent, and cutting cylinder operation for a long time will appear slide plate or the problems such as rotor local is deformed because of shock, influence
Compressor service life.
Summary of the invention
One of purpose of the invention is to propose a kind of transfiguration air-conditioning and its transfiguration control method, with to a certain extent
It solves to cut shock and problem on deformation that cylinder generates.
Some embodiments of the present invention provide a kind of transfiguration air-conditioning comprising: compressor, including at least two cylinder bodies,
And transfiguration mouth, the transfiguration mouth is for optionally providing gas to the switching position of at least one cylinder body, so that cylinder body
Alternately switch between working condition and off working state；Refrigerating circulation where the compressor；And gas is drawn
Component, the different position of at least three of the refrigerating circulation its interior pressure limits are equipped with the gas and draw component, institute
The gas pressure in the refrigerating circulation of the gas extraction component for acquiring its position is stated, to be used for required pressure
The gas of power guides the transfiguration mouth into.
Optionally, it includes: pressure acquisition element that the gas, which draws component, for acquiring the refrigeration of its position
Gas pressure in circulation line；Gas circuit, the refrigeration cycle pipe of first end and pressure acquisition element position
Road connection, second end are connected to the transfiguration mouth；And switch valve, it is set to the gas circuit, for controlling the logical of the gas circuit
It is disconnected.
Optionally, the compressor further include: rotor is set in the cylinder body, is formed between the inner wall of the cylinder body
Air cavity, the rotor can be moved along the inner wall of the cylinder body；And slide plate has first set on the switching position of the cylinder body
Station and second station；First station, the slide plate are not contacted with the rotor, and the cylinder body is in off working state；Second
Station, the slide plate are contacted with the rotor, the air cavity are divided into suction chamber and discharge chamber, the cylinder body is in work
State；The slide plate under the effect of the pressure difference of gas pressure that the transfiguration mouth provides and the intracorporal gas pressure of the cylinder
It is alternately converted between first station and second station.
Optionally, each gas draws Jie to circulate in the corresponding refrigerating circulation in position set by component
Matter is gas.
It optionally, further include four-way valve, heat exchanger, electric expansion valve, gas-liquid separator, and: first gas extraction group
Part, on the pipeline between the compressor and the four-way valve；And/or second gas draws component, is set to the four-way
On pipeline between valve and the heat exchanger；And/or the 5th gas draw component, set on the input end of the gas-liquid separator
Pipeline on.
It optionally, further include that electric expansion valve, gas-liquid separator and third gas draw component, the third gas is drawn
Component is set on the pipeline between the electric expansion valve and the gas-liquid separator.
Optionally, the refrigerating circulation includes outdoor pipeline and interior conduit；The outdoor pipeline and interior conduit
Connection；The outdoor pipeline is equipped with four-way valve；The transfiguration air-conditioning further includes that the 4th gas draws component, and the 4th gas is drawn
Component is set on the pipeline between the interior conduit and the four-way valve.
Some embodiments of the present invention provide a kind of transfiguration control method of above-mentioned transfiguration air-conditioning, in compressor
Cylinder body replace between off working state and working condition conversion when, selectivity will one of gas draw component corresponding to
The gas of position leads to the switching position of the cylinder body by transfiguration mouth, so that the gas that the switching position of cylinder body is provided in transfiguration mouth
Under the action of pressure and the pressure difference of the intracorporal gas pressure of the cylinder, the state of cylinder body is switched over.
Optionally, the running frequency of compressor is detected, while each gas draws the corresponding system in its position of component detection
Gas pressure in SAPMAC method pipeline is chosen under the current running frequency of compressor, cylinder body from off working state to work shape
State switching, switches gas pressure difference required for position, chooses corresponding gas and draws component, which is drawn component
The gas of extraction leads to transfiguration mouth.
Optionally, the running frequency of compressor is detected, while each gas draws the corresponding system in its position of component detection
Gas pressure in SAPMAC method pipeline is chosen under the current running frequency of compressor, and cylinder body is from working condition to inoperative shape
State switching, switches gas pressure difference required for position, chooses corresponding gas and draws component, which is drawn component
The gas of extraction leads to transfiguration mouth.
Based on the above-mentioned technical proposal, the present invention at least has the advantages that
In some embodiments, the different position of its interior pressure limit of at least three of refrigerating circulation is drawn equipped with gas
Component out detects the running frequency of compressor, while each gas extraction group when cylinder body switches from working condition to off working state
Part detects the gas pressure in the corresponding refrigerating circulation in its position, is chosen under the current running frequency of compressor,
It switches gas pressure difference required for position, chooses corresponding gas and draws component, which is drawn what component was drawn
Gas leads to transfiguration mouth, avoids gas differential pressure excessive, sharp impacts, noise and the problem on deformation of generation.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the partial duty schematic illustration for the transfiguration air-conditioning that some embodiments of the invention provide；
Fig. 2 is the diagrammatic cross-section of the compressor for the transfiguration air-conditioning that some embodiments of the invention provide.
Numbering in the drawing:
1- compressor；11- cylinder body；12- transfiguration mouth；13- rotor；14- slide plate；
2- gas draws component；21- pressure acquisition element；22- gas circuit；23- switch valve；
201- first gas draws component；202- second gas draws component；203- third gas draws component；204-
Four gases draw component；The 5th gas of 205- draws component；
3- four-way valve；4- heat exchanger；5- electric expansion valve；6- gas-liquid separator；The first valve of 7-；The second valve of 8-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in embodiment
It states.Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Bright embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention
The limitation of range.
As shown in Figure 1, the partial schematic diagram of the transfiguration air-conditioning provided for some embodiments of the invention.
In some embodiments, transfiguration air-conditioning includes compressor 1.Compressor 1 includes at least two cylinder bodies 11.Each cylinder body
11 can work independently.Such as: compressor 1 includes that two cylinder bodies are duplex cylinder compressor.Compressor includes three with upper cylinder body
For multicylinder compressor etc..
Optionally, the size of each cylinder body 11 can be the same or different.
The work of at least one cylinder body 11 may be selected in compressor 1.The in running order number of cylinder body 11 is different, corresponding
The volume of compressor 1 is different.By adjusting various combination working forms and in running order cylinder between each cylinder body 11
The number of body 11 achievees the purpose that compressor transfiguration.
In some embodiments, each cylinder body 11 includes switching position, switches the gas pressure at position by control, with
Switch cylinder body 11 alternately between working condition and off working state.
In some embodiments, compressor 1 includes transfiguration mouth 12.Transfiguration mouth 12 is used for optionally at least one cylinder
The switching position of body 11 provides gas so that cylinder body 11 is under the action of gas pressure, working condition and off working state it
Between alternately switch.
Alternating switching of the cylinder body 11 between working condition and off working state includes that cylinder body 11 is switched to by working condition
Off working state and cylinder body 11 are in working condition by off working state switching.
In some embodiments, transfiguration air-conditioning further includes the refrigerating circulation where compressor 1.Where compressor 1
Refrigerating circulation can be common refrigerating circulation.Optionally, the refrigerating circulation where compressor 1 is equipped with four
Port valve 3, heat exchanger 4, electric expansion valve 5 and gas-liquid separator 6 etc..
In some embodiments, transfiguration air-conditioning further includes that gas draws component 2.At least three of refrigerating circulation are in it
The different position of pressure limit is equipped with gas and draws component 2, and gas draws component 2 for acquiring the corresponding refrigeration in its position
Gas pressure in circulation line, with the required pressure for alternately switching cylinder body 11 between working condition and off working state
The gas of power guides transfiguration mouth 12 into；To be used to solve cylinder body 11 when switching from off working state to working condition, because of gas pressure
Slide plate 14 caused by difference is excessive and the long-term sharp impacts of rotor 13 and the problem on deformation generated.
In some embodiments, it includes pressure acquisition element 21 that gas, which draws component 2, and pressure acquisition element 21 is for acquiring
Gas pressure in the corresponding refrigerating circulation in its position.Optionally, pressure acquisition element 21 includes pressure sensor.
In some embodiments, it includes gas circuit 22, the first end and pressure acquisition element 21 of gas circuit 22 that gas, which draws component 2,
The refrigerating circulation of position is connected to, and the second end of gas circuit 22 is connected to transfiguration mouth 12.Gas circuit 22 is used for pressure acquisition
Gas in the corresponding refrigerating circulation in 21 position of element leads to transfiguration mouth 12.
In some embodiments, it includes switch valve 23 that gas, which draws component 2, and switch valve 23 is set to gas circuit 22, for controlling
The on-off of gas circuit 22, and/or, switch valve 23 is used to control the flow of gas circuit 22.
Optionally, switch valve 23 includes solenoid valve.
In some embodiments, as shown in Fig. 2, compressor 1 further includes rotor 13, rotor 13 is set in cylinder body 11, rotor
Air cavity is formed between 13 and the inner wall of cylinder body 11, rotor 13 can be moved along the inner wall of cylinder body 11.
In some embodiments, as shown in Fig. 2, compressor 1 further includes slide plate 14, slide plate 14 is set to the switching part of cylinder body 11
Position.Slide plate 14 has the first station and second station.First station, slide plate 14 are not contacted with rotor 13, and cylinder body 11 is in non-work
Make state.Second station, slide plate 14 are contacted with rotor 13, air cavity are divided into suction chamber and discharge chamber, cylinder body 11 is in work
Make state.
Slide plate 14 is under the pressure difference effect of the gas pressure in gas pressure that transfiguration mouth 12 provides and cylinder body 11 the
It is alternately converted between one station and second station.
Alternately conversion includes slide plate 14 from the first station to second station to slide plate 14 between the first station and second station
Conversion and slide plate 14 are converted from second station to the first station.
The principle that cylinder body 11 switches from working condition to off working state are as follows: when cylinder body 11 is in running order, in slide plate
High pressure gas is connected in 14 back pressure side (side of connection transfiguration mouth 12), i.e., logical to the switching position of cylinder body 11 by transfiguration mouth 12
High pressure gas is in close contact slide plate 14 always with rotor 13, suction chamber and discharge chamber is divided into cylinder body 11, compressor 1 is just
Normal air-breathing exhaust.When the logical low-pressure gas in the back pressure side of slide plate 14, i.e., low-pressure gas, slide plate are led to switching position by transfiguration mouth 12
14 front and back is without pressure difference, then slide plate 14 is separated with rotor 13, only one cavity in cylinder body 11, is unable to normal suction exhaust, cylinder
Body 11 is in off working state.
Based on control core above-mentioned, that 1 inner cylinder body 11 of compressor alternately switches between working condition and off working state
It is the gas pressure controlled at the transfiguration mouth 12 of compressor 1, the i.e. pressure of 14 back pressure side of slide plate.Existing method be cylinder body 11 by
When off working state switches to working condition, lead to high pressure gas to 14 back pressure side of slide plate, when the suction draught head of compressor 1 is excessive
When, since motive force of the biggish pressure difference to slide plate 14 is also big, cutting cylinder at this time, it will cause the collision journeys of slide plate 14 and rotor 13
Degree increases, and can reduce the service life of compressor.
The gas pressure that the transfiguration mouth 12 of the disclosure provides can according to need offer, to reduce slide plate 14 by the first work
When position is converted to second station, shock dynamics when slide plate 14 and rotor 13 contact, that improves 1 internal element of compressor uses the longevity
Life.
In some embodiments, the different position of gas pressure range in refrigerating circulation can be equipped with gas
Component 2 is drawn, in order to which the gas of different pressures is led to transfiguration mouth 12 as needed, convenient for cylinder body 11 in working condition and non-
Alternating switching between working condition.
In some embodiments, each gas draws Jie to circulate in the corresponding refrigerating circulation of seated position set by component 2
Matter is gas.
In some embodiments, transfiguration air-conditioning further includes four-way valve 3, heat exchanger 4, electric expansion valve 5, gas-liquid separator 6
And first gas draws component 201, first gas is drawn component 201 and is set on the pipeline between compressor 1 and four-way valve 3.
In some embodiments, transfiguration air-conditioning further includes that second gas draws component 202, and second gas draws component 202
On pipeline between four-way valve 3 and heat exchanger 4.
In some embodiments, transfiguration air-conditioning further includes that third gas draws component 203, and third gas draws component 203
On pipeline between electric expansion valve 5 and gas-liquid separator 6.
In some embodiments, refrigerating circulation includes outdoor pipeline and interior conduit；Outdoor pipeline and interior conduit
Connection；Four-way valve 3 is set to outdoor pipeline；Transfiguration air-conditioning further includes that the 4th gas draws component 204, and the 4th gas draws component
204 are set on the pipeline between interior conduit and four-way valve 3.
In some embodiments, transfiguration air-conditioning further includes that the 5th gas draws component 205, and the 5th gas draws component 205
On the pipeline of the input end of gas-liquid separator 6.
In some embodiments, refrigerating circulation includes outdoor pipeline and interior conduit.Wherein, outdoor pipeline is equipped with
Four-way valve 3, heat exchanger 4, electric expansion valve 5 and gas-liquid separator 6.Between outdoor pipeline and interior conduit by the first valve 7 and
The connection of second valve 8.
In some embodiments, transfiguration air-conditioning further includes that first gas draws component 201, and first gas draws component 201
On pipeline between compressor 1 and four-way valve 3.
In some embodiments, transfiguration air-conditioning further includes that second gas draws component 202, and second gas draws component 202
On pipeline between four-way valve 3 and heat exchanger 4.
In some embodiments, transfiguration air-conditioning further includes that third gas draws component 203, and third gas draws component 203
On pipeline between electric expansion valve 5 and gas-liquid separator 6.
In some embodiments, transfiguration air-conditioning further includes that the 4th gas draws component 204, and the 4th gas draws component 204
On pipeline between the first valve 7 and four-way valve 3.
In some embodiments, transfiguration air-conditioning further includes that the 5th gas draws component 205, and the 5th gas draws component 205
On the pipeline of the input end of gas-liquid separator 6.
When actual setting, it is certainly not limited to that gas extraction component 2 is arranged in above-mentioned five positions.In refrigerating circulation
The different position of its interior pressure limit can be set gas and draw component 2, to provide the gas of different pressures to transfiguration mouth 12.
For the reliability for guaranteeing compressor, is set under different frequency for compressor, more reliably cut cylinder pressure limit.
When compressing machine-cut cylinder, the gas that corresponding position setting may be selected draws component 2, guides the gas of required pressure into transfiguration mouth
12, it is provided for different compressors frequency and corresponding cuts cylinder pressure difference.
Some embodiments provide a kind of transfiguration control methods based on above-mentioned transfiguration air-conditioning, the cylinder in compressor 1
When body 11 replaces conversion between off working state and working condition, selectivity draws one of gas corresponding to component 2
The gas of position leads to the switching position of the cylinder body 11 by transfiguration mouth 12, so that the switching position of cylinder body 11 is mentioned in transfiguration mouth 12
Under the action of the gas pressure of confession and the pressure difference of the gas pressure in cylinder body 11, the state of cylinder body 11 is switched over.
In some embodiments, the running frequency of compressor 1 is detected, while each gas draws component 2 and detects its institute in place
The gas pressure in corresponding refrigerating circulation is set, is chosen under the current running frequency of compressor 1, cylinder body 11 is by inoperative
State switches to working condition, switches gas pressure difference required for position, chooses corresponding gas and draws component 2, will
The gas draws the gas that component 2 is drawn and leads to transfiguration mouth 12.
In some embodiments, the running frequency of compressor 1 is detected, while each gas draws component 2 and detects its institute in place
The gas pressure in corresponding refrigerating circulation is set, is chosen under the current running frequency of compressor 1, cylinder body 11 is by work shape
State switches to off working state, switches gas pressure difference required for position, chooses corresponding gas and draws component 2, will
The gas draws the gas that component 2 is drawn and leads to transfiguration mouth 12.
In some embodiments, in the state that a wherein gas is drawn component 2 and is connected to transfiguration mouth 12, other gases
The connection for drawing component 2 and transfiguration mouth 12 disconnects.
In a specific embodiment as shown in Figure 1, when cylinder body 11 switches from off working state to working condition, first
Unit detects the running frequency of compressor 1, while the pressure sensor that each gas is drawn in component 2 detects at each solenoid valve
Then pressure is selected and optimal corresponding to the current running frequency of compressor 1 cuts cylinder pressure difference.The optimal cylinder pressure difference of cutting can pass through reality
Test acquisition.
Such as: the pressure that third gas is drawn at the solenoid valve in component 203 is optimal, then third gas draws component 203
In solenoid valve open, high pressure gas leads to the back pressure side of slide plate 14, is in close contact slide plate 14 and rotor 13, realizes cylinder body 11
Switched from off working state to working condition.First gas draws component 201, second gas draws component 202, the 4th gas draws
Component 204 and the 5th gas are drawn the solenoid valve in component 205 and are closed out.
When cylinder body 11 switches from working condition to off working state, then the 5th gas draws the solenoid valve in component 205
It opens, the solenoid valve that other gases are drawn in component is all closed.
In the description of the present invention, it is to be understood that, zero is limited using the words such as " first ", " second ", " third "
Component, it is only for convenient for distinguishing to above-mentioned parts, do not have Stated otherwise such as, above-mentioned word contains there is no special
Justice, therefore should not be understood as limiting the scope of the invention.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (10)
1. a kind of transfiguration air-conditioning characterized by comprising
Compressor (1), including at least two cylinder bodies (11) and transfiguration mouth (12), the transfiguration mouth (12) is for alternative
Ground provides gas to the switching position of at least one cylinder body (11), so that cylinder body (11) is between working condition and off working state
Alternately switch；
Refrigerating circulation where the compressor (1)；And
Gas draws component (2), and the different position of at least three of the refrigerating circulation its interior pressure limits is equipped with described
Gas draws component (2), and the gas draws the gas in the described refrigerating circulation of component (2) for acquiring its position
Body pressure, for guiding the gas of required pressure into the transfiguration mouth (12).
2. transfiguration air-conditioning as described in claim 1, which is characterized in that the gas draws component (2) and includes:
Pressure acquisition element (21), the gas pressure in the refrigerating circulation for acquiring its position；
Gas circuit (22), first end are connected to the refrigerating circulation of pressure acquisition element (21) position,
Second end is connected to the transfiguration mouth (12)；And
Switch valve (23) is set to the gas circuit (22), for controlling the on-off of the gas circuit (22).
3. transfiguration air-conditioning as described in claim 1, which is characterized in that the compressor (1) further include:
Rotor (13) is set in the cylinder body (11), forms air cavity, the rotor (13) between the inner wall of the cylinder body (11)
It can be moved along the inner wall of the cylinder body (11)；And
Slide plate (14) is set to the switching position of the cylinder body (11), has the first station and second station；First station, it is described
Slide plate (14) is not contacted with the rotor (13), and the cylinder body (11) is in off working state；Second station, the slide plate (14)
It is contacted with the rotor (13), the air cavity is divided into suction chamber and discharge chamber, the cylinder body (11) is in running order；
The pressure difference of gas pressure of the slide plate (14) in the gas pressure and the cylinder body (11) that the transfiguration mouth (12) provides
It is alternately converted between the first station and second station under effect.
4. transfiguration air-conditioning as described in claim 1, which is characterized in that each gas draws position set by component (2)
The medium to circulate in the corresponding refrigerating circulation is gas.
5. transfiguration air-conditioning as described in claim 1, which is characterized in that further include four-way valve (3), heat exchanger (4), electronic expansion
Valve (5), gas-liquid separator (6), and:
First gas draws component (201), is set on the pipeline between the compressor (1) and the four-way valve (3)；And/or
Second gas draws component (202), is set on the pipeline between the four-way valve (3) and the heat exchanger (4)；And/or
5th gas draws component (205), is set on the pipeline of the input end of the gas-liquid separator (6).
6. transfiguration air-conditioning as described in claim 1, which is characterized in that further include electric expansion valve (5), gas-liquid separator (6)
Draw component (203) with third gas, the third gas draw component (203) be set to the electric expansion valve (5) with it is described
On pipeline between gas-liquid separator (6).
7. transfiguration air-conditioning as described in claim 1, which is characterized in that the refrigerating circulation includes outdoor pipeline and interior
Pipeline；The outdoor pipeline is connected to interior conduit；The outdoor pipeline is equipped with four-way valve (3)；The transfiguration air-conditioning also wraps
It includes the 4th gas and draws component (204), the 4th gas draws component (204) and is set to the interior conduit and the four-way valve (3)
Between pipeline on.
8. a kind of transfiguration control method of transfiguration air-conditioning as described in claim 1, which is characterized in that in compressor (1)
When cylinder body (11) replaces conversion between off working state and working condition, one of gas is drawn component (2) by selectivity
The gas of corresponding position leads to the switching position of the cylinder body (11) by transfiguration mouth (12), so that the switching position of cylinder body (11)
Under the action of the pressure difference of gas pressure in the gas pressure and the cylinder body (11) that transfiguration mouth (12) provide, to cylinder body
(11) state switches over.
9. the transfiguration control method of transfiguration air-conditioning as claimed in claim 8, which is characterized in that the operation of detection compressor (1)
Frequency, while each gas draws component (2) and detects the gas pressure in the corresponding refrigerating circulation in its position, is chosen at
Under the current running frequency of compressor (1), cylinder body (11) is switched from off working state to working condition, is switched required for position
Gas pressure difference, choose corresponding gas and draw component (2), which is drawn into the gas that component (2) are drawn and leads to change
Hold mouth (12).
10. the transfiguration control method of transfiguration air-conditioning as claimed in claim 8, which is characterized in that the operation of detection compressor (1)
Frequency, while each gas draws component (2) and detects the gas pressure in the corresponding refrigerating circulation in its position, is chosen at
Under the current running frequency of compressor (1), cylinder body (11) is switched from working condition to off working state, is switched required for position
Gas pressure difference, choose corresponding gas and draw component (2), which is drawn into the gas that component (2) are drawn and leads to change
Hold mouth (12).
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| US4397618A (en) * | 1979-11-21 | 1983-08-09 | Bitzer-Kuhlmaschinenbau Gmbh & Co. Kg | Rolling piston compressor with locking device for the separating slide |
| CN101605990A (en) * | 2007-02-09 | 2009-12-16 | 三电有限公司 | The capacity control system of variable displacement compressor |
| US20160146496A1 (en) * | 2013-08-28 | 2016-05-26 | Mitsubishi Electric Corporation | Air-conditioning apparatus |
| CN105485991A (en) * | 2016-01-04 | 2016-04-13 | 珠海格力电器股份有限公司 | Variable-capacity compressor system, control method and air conditioner |
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