CN103884081A - Control method of air conditioner system - Google Patents
Control method of air conditioner system Download PDFInfo
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- CN103884081A CN103884081A CN201410160587.2A CN201410160587A CN103884081A CN 103884081 A CN103884081 A CN 103884081A CN 201410160587 A CN201410160587 A CN 201410160587A CN 103884081 A CN103884081 A CN 103884081A
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Abstract
The invention discloses a control method of an air conditioner system. The control method comprises the steps that (1) the initial state is detected and judged; (2) the operating requirement is judged; (3) starting is carried out, wherein when a compressor is in a single-cylinder state and has the single-cylinder operating requirement, starting is carried out in a single-cylinder state, load compensation is carried out on a motor of the compressor, and after the motor carries out stable operation for the time period S1 in the mode that the frequency of the motor is a1, the compressor is operated to obtain the needed frequency; when the compressor is in the single-cylinder state and has the double-cylinder operating requirement, starting is carried out in the single-cylinder state, load compensation is carried out on the motor of the compressor, after the motor carries out stable operation for the time period S2 in the mode that the frequency of the motor is a2, the state of the compressor is switched to the double-cylinder state, and the compressor is operated to obtain the needed frequency; when the compressor is in the double-cylinder state and has the double-cylinder operating requirement, starting is carried out in a double-cylinder state, and after the motor carries out stable operation for the time period S3 in the mode that the frequency of the motor is a3, the compressor is operated to obtain the needed frequency; when the compressor is in the double-cylinder state and has the single-cylinder operating requirement, starting is carried out in the double-cylinder state, after the motor carries out stable operation for the time period S4 in the mode that the frequency of the motor is a4, the state of the compressor is switched to the single-cylinder state, and the compressor is operated to obtain the needed frequency. According to the air conditioner system, starting stability of the compressor is improved.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, particularly a kind of control method of air-conditioning system.
Background technology
At present, have application double-rotor direct current frequency-changeable compressor on air-conditioning, this kind of compressor has two cylinders.In the time of two cylinder run-in synchronism, change capacity by the rotating speed that changes compressor, thereby change unit cooling/heating amount.And in the time that the cooling/heating amount of demand is smaller, the rotating speed of compressor is lower, and compressor rotary speed can make the decrease in efficiency of compressor electric motor when too low, thereby underrun complete machine efficiency is declined.
In order to overcome above-mentioned defect, in air-conditioning system, adopt single twin-tub frequency conversion positive displacement compressor, in the time of underrun, control the single cylinder operation of compressor, guarantee electric efficiency, and then guarantee that underrun complete machine keeps higher efficiency.
But due in compressor start process, the stationarity of single cylinder operation is lower, and then make the stability of compressor start lower, the operational reliability of air-conditioning system is not high,
Therefore, how to improve the stability of compressor start, become those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of control method of air-conditioning system, to improve the stability of compressor start.
For achieving the above object, the invention provides following technical scheme:
A control method for air-conditioning system, described air-conditioning system comprises compressor, described compressor is frequency conversion positive displacement compressor, comprises step:
Detect and judge original state: opening before described air-conditioning system, detecting and judge the state of described compressor;
Judge operation demand: judge the operation demand of described air-conditioning system to described compressor;
Start: in the time that the described compressor operation demand that is single cylinder state and described compressor is single cylinder operation demand, described compressor starts with single cylinder state, the motor of described compressor is carried out to load compensation, and under a1 frequency, after the stable operation S1 time, described compressor operating is arrived to required frequency at the motor of described compressor;
In the time that the described compressor operation demand that is single cylinder state and described compressor is twin-tub operation demand, described compressor starts with single cylinder state, the motor of described compressor is carried out to load compensation, the motor of described compressor is under a2 frequency after the stable operation S2 time, described compressor is switched to twin-tub state, more described compressor operating is arrived to required frequency;
In the time that the described compressor operation demand that is twin-tub state and described compressor is twin-tub operation demand, described compressor starts with twin-tub state, the motor of described compressor under a3 frequency after the stable operation S3 time, by described compressor operating to required frequency;
In the time that the described compressor operation demand that is twin-tub state and described compressor is single cylinder operation demand, described compressor starts with twin-tub state, the motor of described compressor is under a4 frequency after the stable operation S4 time, described compressor is switched to single cylinder state, more described compressor operating is arrived to required frequency.
Preferably, in the control method of above-mentioned air-conditioning system, electric machine frequency a1, a2, a3 and the a4 of described compressor are all identical.
Preferably, in the control method of above-mentioned air-conditioning system, during described step starts, the span of described electric machine frequency a1, a2, a3 and a4 is all 0 < a≤60Hz.
Preferably, in the control method of above-mentioned air-conditioning system, the span of described electric machine frequency a1, a2, a3 and a4 is all 35≤a≤50Hz.
Preferably, in the control method of above-mentioned air-conditioning system, S1, S2, S3 and S4 are all identical.
Preferably, in the control method of above-mentioned air-conditioning system, the span of S1, S2, S3 and S4 is all 0 < S≤60s.
Preferably, in the control method of above-mentioned air-conditioning system, during described step starts, when described compressor is that single cylinder state and described air-conditioning system are while being twin-tub operation demand to the operation demand of described compressor, described compressor is being switched to after twin-tub state, the motor of described compressor is not carried out to load compensation, more described compressor operating is arrived to required frequency.
Preferably, in the control method of above-mentioned air-conditioning system, during described step starts, when described compressor is that twin-tub state and described air-conditioning system are while being single cylinder operation demand to the operation demand of described compressor, described compressor is switched to single cylinder state, the motor of described compressor is carried out to load compensation, described compressor parallel-adder settle-out time S ', more described compressor operating is arrived to required frequency.
Preferably, in the control method of above-mentioned air-conditioning system, the span of described time S ' is 0 < S '≤60s.
Preferably, in the control method of above-mentioned air-conditioning system, described air-conditioning system also comprises gas-liquid separator, the first air inlet A of described compressor is communicated with the first row gas port of described gas-liquid separator, being communicated with the gas outlet of described compressor and its second air inlet B, to make described compressor be single cylinder state, and the gas outlet and its second air inlet B that disconnect described compressor are described twin-tub state.
Preferably, in the control method of above-mentioned air-conditioning system, between the second air inlet B of the gas outlet of described compressor and described compressor, be communicated with the first pipeline, on described the first pipeline, be in series with control valve; The second row gas port of described gas-liquid separator is communicated with the part of described the first pipeline between described magnetic valve and described the second air inlet B.
Preferably, in the control method of above-mentioned air-conditioning system, in the connecting pipe between the second row gas port of described gas-liquid separator and described the first pipeline, be in series with individual event valve, the communication direction of described individual event valve is served as reasons described gas-liquid separator to described the first pipeline.
Preferably, in the control method of above-mentioned air-conditioning system, also comprise the second pipe that one end is connected with the air inlet of described gas-liquid separator, the other end of described second pipe is connected in the part of described the first pipeline between described magnetic valve and described the second air inlet B.
Preferably, in the control method of above-mentioned air-conditioning system, on described second pipe, be in series with capillary and filter.
Can find out from above-mentioned technical scheme, the invention provides the control method of air-conditioning system, in air-conditioning system start-up course, detect the front state of compressor start, in the time that compressor is single cylinder state, compressor starts with single cylinder state, and, by the driving governor of compressor, the motor of compressor is carried out to load compensation, by increasing load compensation, make the single cylinder body of rotation stressed basic identical in the load of different rotational angles, reach stress balance, and then make compressor even running.Under this state, in the time that unit demand is single cylinder operation demand, the motor of compressor after the stable operation S1 time, arrives required frequency by compressor operating under a1 frequency; In the time that unit demand is twin-tub operation demand, the motor of compressor after the stable operation S2 time, switches to twin-tub state by compressor under a2 frequency, then compressor operating is arrived to required frequency.In like manner, in the time that compressor is twin-tub state, compressor is twin-tub state; Open compressor, make compressor even running.In the time that unit demand is twin-tub operation demand, the motor of compressor after the stable operation S3 time, arrives required frequency by compressor operating under a3 frequency; In the time that unit demand is single cylinder operation demand, the motor of compressor after the stable operation S4 time, switches to single cylinder state by compressor under a4 frequency, then compressor operating is arrived to required frequency.The control method of the air-conditioning system that the embodiment of the present invention provides, has effectively improved the stationarity in compressor start process, and then has improved the operational reliability of system.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The first flow chart of the Air-condition system control method that Fig. 1 provides for the embodiment of the present invention
The second flow chart of the Air-condition system control method that Fig. 2 provides for the embodiment of the present invention
The structural representation of the air-conditioning system that Fig. 3 provides for the embodiment of the present invention.
The specific embodiment
The invention discloses a kind of control method of air-conditioning system, to improve the stability of compressor start.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The control method that the invention provides a kind of air-conditioning system, air-conditioning system comprises compressor, compressor is frequency conversion positive displacement compressor, comprises step:
Detect and judge original state: opening before air-conditioning system, detecting and judge the state of compressor;
Judge operation demand: judge the operation demand of air-conditioning system to compressor;
Start: in the time that the compressor operation demand that is single cylinder state and compressor is single cylinder operation demand, compressor starts with single cylinder state, driving governor by compressor carries out load compensation to the motor of compressor, and under a1 frequency, after the stable operation S1 time, compressor operating is arrived to required frequency at the motor of compressor;
In the time that the compressor operation demand that is single cylinder state and compressor is twin-tub operation demand, compressor starts with single cylinder state, driving governor by compressor carries out load compensation to the motor of compressor, the motor of compressor is under a2 frequency after the stable operation S2 time, compressor is switched to twin-tub state, then compressor operating is arrived to required frequency;
In the time that the compressor operation demand that is twin-tub state and compressor is twin-tub operation demand, compressor starts with twin-tub state, the motor of compressor under a3 frequency after the stable operation S3 time, by compressor operating to required frequency;
In the time that the compressor operation demand that is twin-tub state and compressor is single cylinder operation demand, compressor starts with twin-tub state, the motor of compressor after the stable operation S4 time, switches to single cylinder state by compressor under a4 frequency, then compressor operating is arrived to required frequency.
The embodiment of the present invention provides the control method of air-conditioning system, in air-conditioning system start-up course, detect the front state of compressor start, in the time that compressor is single cylinder state, compressor starts with single cylinder state, and, driving governor by compressor carries out load compensation to the motor of compressor, by increasing load compensation, makes the single cylinder body of rotation stressed basic identical in the load of different rotational angles, reach stress balance, and then make compressor even running.Under this state, in the time that unit demand is single cylinder operation demand, the motor of compressor after the stable operation S1 time, arrives required frequency by compressor operating under a1 frequency; In the time that unit demand is twin-tub operation demand, the motor of compressor after the stable operation S2 time, switches to twin-tub state by compressor under a2 frequency, then compressor operating is arrived to required frequency.In like manner, in the time that compressor is twin-tub state, compressor is twin-tub state; Open compressor, make compressor even running.In the time that unit demand is twin-tub operation demand, the motor of compressor after the stable operation S3 time, arrives required frequency by compressor operating under a3 frequency; In the time that unit demand is single cylinder operation demand, the motor of compressor after the stable operation S4 time, switches to single cylinder state by compressor under a4 frequency, then compressor operating is arrived to required frequency.The control method of the air-conditioning system that the embodiment of the present invention provides, has effectively improved the stationarity in compressor start process, and then has improved the operational reliability of system.
The first embodiment
Please refer to Fig. 1, the first flow chart of the Air-condition system control method that Fig. 1 provides for the embodiment of the present invention.
The embodiment of the present invention provides a kind of control method of air-conditioning system, and air-conditioning system comprises compressor, and compressor is frequency conversion positive displacement compressor, comprises step:
S101: open before air-conditioning system, detect the state of compressor;
Because compressor is frequency conversion positive displacement compressor, there is single cylinder state and twin-tub state.
S102: judge whether compressor is single cylinder state;
Be understandable that, also can judge whether compressor is twin-tub state.
S103: in the time that compressor is single cylinder state, judge whether air-conditioning system is single cylinder operation demand to the operation demand of compressor;
Also can judge whether air-conditioning system is twin-tub operation demand to the operation demand of compressor.
S104: in the time that the compressor operation demand that is single cylinder state and compressor is single cylinder operation demand, compressor starts with single cylinder state, driving governor by compressor carries out load compensation to the motor of compressor, and under a1 frequency, after the stable operation S1 time, compressor operating is arrived to required frequency at the motor of compressor.
S105: in the time that the compressor operation demand that is single cylinder state and compressor is not single cylinder operation demand (being twin-tub operation demand), compressor starts with single cylinder state, driving governor by compressor carries out load compensation to the motor of compressor, the motor of compressor is under a2 frequency after the stable operation S2 time, compressor is switched to twin-tub state, then compressor operating is arrived to required frequency.
S103 ': in the time that compressor is not single cylinder state (being twin-tub state), judge whether air-conditioning system is single cylinder operation demand to the operation demand of compressor 1;
Also can judge whether air-conditioning system is twin-tub operation demand to the operation demand of compressor.
S104 ': in the time that the compressor operation demand that is twin-tub state and compressor is not single cylinder operation demand (being twin-tub operation demand), compressor starts with twin-tub state, the motor of compressor after the stable operation S3 time, arrives required frequency by compressor operating under a3 frequency.
S105 ': in the time that the compressor operation demand that is twin-tub state and compressor is single cylinder operation demand, compressor starts with twin-tub state, the motor of compressor after the stable operation S4 time, switches to single cylinder state by compressor under a4 frequency, then compressor operating is arrived to required frequency.
Be understandable that, also can first judge the operation demand of air-conditioning system to compressor, then the state of the front compressor of the described air-conditioning system of judgement unlatching, introduce no longer in detail at this.
The second embodiment
Please refer to Fig. 2, the second flow chart of the Air-condition system control method that Fig. 2 provides for the embodiment of the present invention.The embodiment of the present invention provides a kind of control method of air-conditioning system, and air-conditioning system comprises compressor, and compressor is frequency conversion positive displacement compressor, comprises step:
S201: open before air-conditioning system, detect the state of compressor;
Because compressor is frequency conversion positive displacement compressor, there is single cylinder state and twin-tub state.
S202: judge whether compressor is single cylinder state;
Be understandable that, also can judge whether compressor is twin-tub state.
S203: in the time that compressor is single cylinder state, compressor starts with single cylinder state, by the driving governor of compressor, the motor of compressor is carried out to load compensation.
S204: judge whether single cylinder operation demand of compressor operating demand;
Also can judge whether air-conditioning system is twin-tub operation demand to the operation demand of compressor.
S205: in the time that the compressor operation demand that is single cylinder state and compressor is single cylinder operation demand, compressor starts with single cylinder state, driving governor by compressor carries out load compensation to the motor of compressor, and under a1 frequency, after the stable operation S1 time, compressor operating is arrived to required frequency at the motor of compressor.
S206: in the time that the compressor operation demand that is single cylinder state and compressor is not single cylinder operation demand (being twin-tub operation demand), compressor starts with single cylinder state, driving governor by compressor carries out load compensation to the motor of compressor, the motor of compressor is under a2 frequency after the stable operation S2 time, compressor is switched to twin-tub state, then compressor operating is arrived to required frequency.
S203 ': in the time that compressor is not single cylinder state (being twin-tub state), compressor starts with twin-tub state.
S204 ': judge whether air-conditioning system is single cylinder operation demand to the operation demand of compressor;
Also can judge whether air-conditioning system is twin-tub operation demand to the operation demand of compressor.
S205 ': in the time that the compressor operation demand that is twin-tub state and compressor is not single cylinder operation demand (being twin-tub operation demand), compressor starts with twin-tub state, the motor of compressor after the stable operation S3 time, arrives required frequency by compressor operating under a3 frequency.
S206 ': in the time that the compressor operation demand that is twin-tub state and compressor is single cylinder operation demand, compressor starts with twin-tub state, the motor of compressor after the stable operation S4 time, switches to single cylinder state by compressor under a4 frequency, then compressor operating is arrived to required frequency.
Further, electric machine frequency a1, the a2 of compressor, a3, a4 are all identical.Also a1, a2, a3 and a4 can be arranged respectively to different numerical value, in a1, a2, a3 and a4 at least two unequal.
Wherein, the span of electric machine frequency a1, a2, a3 and a4 is all 0 < a≤60Hz.
Further, the span of electric machine frequency a1, a2, a3 and a4 is all 35≤a≤50Hz.Electric machine frequency occurrence is determined according to concrete type of compressor, introduces no longer in detail at this.By electric machine frequency is arranged between 35～50Hz, to avoid frequency too small and make the larger situation of slosh frequency of compressor.
S1 running time, S2, S3 and the S4 of above-mentioned motor are all identical.Also S1, S2, S3 and S4 can be arranged respectively to different numerical value, in S1, S2, S3 and S4 at least two unequal.
Wherein, the span of S1, S2, S3 and S4 is 0 < S≤60s.In step starts, in the time that the compressor operation demand that is single cylinder state and compressor is twin-tub operation demand, compressor is being switched to after twin-tub state, by the driving governor of compressor, the motor of compressor is not being carried out to load compensation, then compressor operating is arrived to required frequency.
Owing at the operation demand of compressor being state before single cylinder operation demand and compressor are opened while being twin-tub state, compressor starts with single cylinder state.When being adjusted into single cylinder state, guarantees the state of compressor the running stability of compressor, under this state, compressor is switched to single cylinder state, driving governor by compressor carries out load compensation to the motor of compressor, compressor parallel-adder settle-out time S ', then compressor operating is arrived to required frequency.
Further, the span of time S ' is 0 < S '≤60s.
Please refer to Fig. 3, the structural representation of the air-conditioning system that Fig. 3 provides for the embodiment of the present invention.
The air-conditioning system that the embodiment of the present invention provides comprises compressor 1 and gas-liquid separator 7, and compressor 1 is frequency conversion positive displacement compressor, and frequency conversion positive displacement compressor has the method for operation that the method for operation that twin-tub compresses simultaneously and single cylinder compress simultaneously.The gas outlet of compressor 1 and the second air inlet B of compressor 1 are communicated with, make the pressure of two positions consistent, the refrigerant in gas-liquid separator 7 cannot flow into the second air inlet B, makes compressor 1 for single cylinder state; The gas outlet and its second air inlet B that disconnect compressor 1, make the refrigerant in gas-liquid separator 7 flow into the second air inlet B, and compressor 1 is twin-tub state.Wherein, when twin-tub state starts.Because the structure of two cylinder bodies is symmetrical, make stress balance, in the time that air-conditioning system starts, compressor 1 can reach even running.
As shown in Figure 3, air-conditioning system comprises: cross valve 4, indoor heat converter 2, outdoor heat converter 3, compressor 1 and gas-liquid separator 7, the first air inlet A of compressor 1 is communicated with the first row gas port of gas-liquid separator 7, the second row gas port of gas-liquid separator 7 is communicated with the second air inlet B of compressor 1, so that carry refrigerant to the twin-tub of compressor 1.
For the ease of controlling the gas outlet of compressor 1 and the break-make of its second air inlet B, between the second air inlet B of the gas outlet of compressor 1 and compressor 1, be communicated with the first pipeline, on the first pipeline, be in series with control valve 5; The second row gas port of gas-liquid separator 7 is communicated with the part of the first pipeline between magnetic valve 5 and the second air inlet B.
Pass back into gas-liquid separator 7 for fear of refrigerant by the second row gas port of gas-liquid separator 7, in connecting pipe between second row gas port and first pipeline of gas-liquid separator 7, be in series with individual event valve 6, the communication direction of individual event valve 6 is to the first pipeline by gas-liquid separator 7., in connecting pipe, the flow direction of refrigerant only can be realized by gas-liquid separator 7 to the first Flows.
In the air-conditioning system that the embodiment of the present invention provides, also comprise the second pipe that one end is connected with the air inlet of gas-liquid separator 7, the other end of second pipe is connected in the part of the first pipeline between magnetic valve 5 and the second air inlet B.By second pipe is set, to realize the effect to gas-liquid separator tonifying Qi in the situation that compression cylinder twin-tub rotates.
Wherein, on second pipe, be in series with capillary 8, to reach the effect of reducing pressure by regulating flow.
Further, on second pipe, be also in series with filter 9, effectively avoid entering compressor 1 through second pipe to the impurity in the mobile refrigerant of compressor 1.
In description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (14)
1. a control method for air-conditioning system, described air-conditioning system comprises compressor, described compressor is frequency conversion positive displacement compressor, it is characterized in that, comprises step:
Detect and judge original state: opening before described air-conditioning system, detecting and judge the state of described compressor;
Judge operation demand: judge the operation demand of described air-conditioning system to described compressor;
Start: in the time that the described compressor operation demand that is single cylinder state and described compressor is single cylinder operation demand, described compressor starts with single cylinder state, the motor of described compressor is carried out to load compensation, and under a1 frequency, after the stable operation S1 time, described compressor operating is arrived to required frequency at the motor of described compressor;
In the time that the described compressor operation demand that is single cylinder state and described compressor is twin-tub operation demand, described compressor starts with single cylinder state, the motor of described compressor is carried out to load compensation, the motor of described compressor is under a2 frequency after the stable operation S2 time, described compressor is switched to twin-tub state, more described compressor operating is arrived to required frequency;
In the time that the described compressor operation demand that is twin-tub state and described compressor is twin-tub operation demand, described compressor starts with twin-tub state, the motor of described compressor under a3 frequency after the stable operation S3 time, by described compressor operating to required frequency;
In the time that the described compressor operation demand that is twin-tub state and described compressor is single cylinder operation demand, described compressor starts with twin-tub state, the motor of described compressor is under a4 frequency after the stable operation S4 time, described compressor is switched to single cylinder state, more described compressor operating is arrived to required frequency.
2. the control method of air-conditioning system as claimed in claim 1, is characterized in that, electric machine frequency a1, a2, a3 and the a4 of described compressor (1) are all identical.
3. the control method of air-conditioning system as claimed in claim 1 or 2, is characterized in that, during described step starts, the span of described electric machine frequency a1, a2, a3 and a4 is all 0 < a≤60Hz.
4. the control method of air-conditioning system as claimed in claim 3, is characterized in that, the span of described electric machine frequency a1, a2, a3 and a4 is all 35≤a≤50Hz.
5. the control method of air-conditioning system as claimed in claim 1, is characterized in that, S1, S2, S3 and S4 are all identical.
6. the control method of air-conditioning system as claimed in claim 1, is characterized in that, the span of S1, S2, S3 and S4 is all 0 < S≤60s.
7. the control method of air-conditioning system as claimed in claim 1, it is characterized in that, during described step starts, when described compressor is that single cylinder state and described air-conditioning system are while being twin-tub operation demand to the operation demand of described compressor, described compressor is being switched to after twin-tub state, the motor of described compressor is not carried out to load compensation, more described compressor operating is arrived to required frequency.
8. the control method of air-conditioning system as claimed in claim 1, it is characterized in that, during described step starts, when described compressor is that twin-tub state and described air-conditioning system are while being single cylinder operation demand to the operation demand of described compressor, described compressor is switched to single cylinder state, the motor of described compressor is carried out to load compensation, described compressor parallel-adder settle-out time S ', more described compressor operating is arrived to required frequency.
9. the control method of the air-conditioning system of stating as claim 8, is characterized in that, the span of described time S ' is 0 < S '≤60s.
10. the control method of air-conditioning system as claimed in claim 1, it is characterized in that, described air-conditioning system also comprises gas-liquid separator, the first air inlet A of described compressor is communicated with the first row gas port of described gas-liquid separator, being communicated with the gas outlet of described compressor and its second air inlet B, to make described compressor be single cylinder state, and the gas outlet and its second air inlet B that disconnect described compressor are described twin-tub state.
The control method of 11. air-conditioning systems as claimed in claim 10, is characterized in that, between the second air inlet B of the gas outlet of described compressor and described compressor, is communicated with the first pipeline, on described the first pipeline, is in series with control valve; The second row gas port of described gas-liquid separator is communicated with the part of described the first pipeline between described magnetic valve and described the second air inlet B.
The control method of 12. air-conditioning systems as claimed in claim 11, it is characterized in that, in connecting pipe between the second row gas port of described gas-liquid separator and described the first pipeline, be in series with individual event valve, the communication direction of described individual event valve is served as reasons described gas-liquid separator to described the first pipeline.
The control method of 13. air-conditioning systems as claimed in claim 11, it is characterized in that, also comprise the second pipe that one end is connected with the air inlet of described gas-liquid separator, the other end of described second pipe is connected in the part of described the first pipeline between described magnetic valve and described the second air inlet B.
The control method of 14. air-conditioning systems as claimed in claim 13, is characterized in that, is in series with capillary and filter on described second pipe.
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| CN106152342A (en) * | 2016-07-04 | 2016-11-23 | 珠海格力电器股份有限公司 | A kind of discharge capacity that becomes is than Two-stage Compression air-conditioning system and control method thereof |
| CN107860161A (en) * | 2017-09-19 | 2018-03-30 | 珠海格力电器股份有限公司 | Compressor casing switching method, device, storage medium, compressor and equipment |
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| CN109026712A (en) * | 2018-06-27 | 2018-12-18 | 珠海格力电器股份有限公司 | Transfiguration control method, device and the intelligent appliance of compressor |
| CN109441820A (en) * | 2018-10-19 | 2019-03-08 | 珠海格力电器股份有限公司 | Positive displacement compressor starts control method, device and positive displacement compressor, storage medium |
| WO2020034516A1 (en) * | 2018-08-17 | 2020-02-20 | 珠海格力电器股份有限公司 | Method and device for controlling compressor cylinder switching, unit and air conditioning system |
| WO2020034510A1 (en) * | 2018-08-17 | 2020-02-20 | 珠海格力电器股份有限公司 | Method and apparatus for controlling compressor to switch cylinder mode, machine set, and air conditioner system |
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| CN106152342A (en) * | 2016-07-04 | 2016-11-23 | 珠海格力电器股份有限公司 | A kind of discharge capacity that becomes is than Two-stage Compression air-conditioning system and control method thereof |
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| WO2020034510A1 (en) * | 2018-08-17 | 2020-02-20 | 珠海格力电器股份有限公司 | Method and apparatus for controlling compressor to switch cylinder mode, machine set, and air conditioner system |
| US11852132B2 (en) | 2018-08-17 | 2023-12-26 | Gree Electric Appliances, Inc. Of Zhuhai | Compressor cylinder switching control method and device, unit and air conditioning system |
| WO2020073488A1 (en) * | 2018-10-10 | 2020-04-16 | 珠海格力电器股份有限公司 | Method, device, unit and air conditioning system for controlling cylinder cutting of compressor |
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