CN103884081B - Control method of air conditioning system - Google Patents
Control method of air conditioning system Download PDFInfo
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- CN103884081B CN103884081B CN201410160587.2A CN201410160587A CN103884081B CN 103884081 B CN103884081 B CN 103884081B CN 201410160587 A CN201410160587 A CN 201410160587A CN 103884081 B CN103884081 B CN 103884081B
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 50
- 239000007788 liquid Substances 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The invention discloses a control method of an air conditioning system, which comprises the following steps: detecting and judging an initial state; judging an operation requirement; starting: when the compressor is in a single-cylinder state and needs single-cylinder operation, the compressor is started in the single-cylinder state, load compensation is carried out on a motor of the compressor, and the compressor is operated to a required frequency after stable operation is carried out for S1 time under the frequency of motor a 1; when the single-cylinder state and the double-cylinder operation are required, the single-cylinder state is started, the load compensation is carried out on the motor of the compressor, and after the motor a2 runs stably for S2 time, the double-cylinder state is switched to the required frequency; when the double-cylinder state is adopted and the double-cylinder operation is required, the double-cylinder state is started, and after the motor a3 stably operates for S3 time, the motor a3 operates to the required frequency; when the double-cylinder state and the single-cylinder operation are required, the double-cylinder state is started, and after the motor a4 stably operates for S4 time under the frequency, the compressor is switched to the single-cylinder state and operates to the required frequency. The air conditioning system provided by the invention improves the starting stability of the compressor.
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, air-conditioning has application double-rotor direct current frequency-changeable compressor, this kind of compressor has two cylinders.When two cylinder run-in synchronism, change capacity by changing the rotating speed of compressor, thus change unit cooling/heating amount.And when the cooling/heating amount of demand is smaller time, the rotating speed of compressor is lower, and the efficiency of compressor electric motor can be made when compressor rotary speed is too low to decline, thus makes underrun complete machine efficiency decline.
In order to overcome above-mentioned defect, adopting single twin-tub frequency conversion positive displacement compressor within air-conditioning systems, when underrun, controlling the single cylinder operation of compressor, guaranteeing electric efficiency, and then guarantee the efficiency that underrun complete machine keeps higher.
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, and described compressor is frequency conversion positive displacement compressor, comprises step:
Detect and judge original state: before the described air-conditioning system of unlatching, detect and judge the state of described compressor;
Judge operation demand: judge the operation demand of described air-conditioning system to described compressor;
Start: when described compressor is single cylinder state and the operation demand of described compressor is single cylinder operation demand, described compressor starts with single cylinder state, load compensation is carried out to the motor of described compressor, and at the motor of described compressor under a1 frequency after the stable operation S1 time, by described compressor operating to required frequency;
When described compressor is single cylinder state and the operation demand of described compressor is twin-tub operation demand, described compressor starts with single cylinder state, load compensation is carried out to the motor of described compressor, the motor of described compressor is under a2 frequency after the stable operation S2 time, described compressor is switched to twin-tub state, then by described compressor operating to required frequency;
When described compressor is twin-tub state and the operation demand of 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;
When described compressor is twin-tub state and the operation demand of 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, then by described compressor operating to required frequency.
Preferably, in the control method of above-mentioned air-conditioning system, electric machine frequency a1, a2, a3 of described compressor are all identical with a4.
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 single cylinder state and described air-conditioning system is twin-tub operation demand to the operation demand of described compressor, after described compressor is switched to twin-tub state, load compensation is not carried out to the motor of described compressor, then by described compressor operating to required frequency.
Preferably, in the control method of above-mentioned air-conditioning system, during described step starts, when described compressor is twin-tub state and described air-conditioning system is single cylinder operation demand to the operation demand of described compressor, described compressor is switched to single cylinder state, load compensation is carried out to the motor of described compressor, described compressor parallel-adder settle-out time S ', then by described compressor operating 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, first air inlet A of described compressor is communicated with the first row gas port of described gas-liquid separator, the gas outlet and its second air inlet B that are communicated with described compressor 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, be communicated with the first pipeline between the gas outlet of described compressor and the second air inlet B of described compressor, described first pipeline is in series with control valve; The second exhaust port of described gas-liquid separator is communicated with the part of described first pipeline between described control valve with described second air inlet B.
Preferably, in the control method of above-mentioned air-conditioning system, the connecting pipe between the second exhaust port of described gas-liquid separator and described first pipeline is in series with check valve, the communication direction of described check valve is to described first pipeline by described gas-liquid separator.
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 to the part of described first pipeline between described control valve and described second air inlet B.
Preferably, in the control method of above-mentioned air-conditioning system, described second pipe is in series with capillary and filter.
As can be seen 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, when compressor is single cylinder state, compressor starts with single cylinder state, and, by the driving governor of compressor, load compensation is carried out to the motor of compressor, by increasing load compensation, make the single cylinder body of rotation stressed substantially identical in the load of different rotational angle, reach stress balance, and then make compressor even running.In this case, when unit demand is single cylinder operation demand, the motor of compressor under a1 frequency after the stable operation S1 time, by compressor operating to required frequency; When unit demand is twin-tub operation demand, compressor after the stable operation S2 time, is switched to twin-tub state by the motor of compressor under a2 frequency, then by compressor operating to required frequency.In like manner, when compressor is twin-tub state, compressor is twin-tub state; Open compressor, make compressor even running.When unit demand is twin-tub operation demand, the motor of compressor under a3 frequency after the stable operation S3 time, by compressor operating to required frequency; When unit demand is single cylinder operation demand, compressor after the stable operation S4 time, is switched to single cylinder state by the motor of compressor under a4 frequency, then by compressor operating to required frequency.The control method of the air-conditioning system that the embodiment of the present invention provides, effectively improves the stationarity in compressor start process, and then improves 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, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The first flow chart of the air conditioner system control method that Fig. 1 provides for the embodiment of the present invention
The second flow chart of the air conditioner 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.
Detailed description of the invention
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, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention provides a kind of control method of air-conditioning system, air-conditioning system comprises compressor, and compressor is frequency conversion positive displacement compressor, comprises step:
Detect and judge original state: before unlatching air-conditioning system, detect and judge the state of compressor;
Judge operation demand: judge the operation demand of air-conditioning system to compressor;
Start: when compressor is single cylinder state and the operation demand of compressor is single cylinder operation demand, compressor starts with single cylinder state, by the driving governor of compressor, load compensation is carried out to the motor of compressor, and at the motor of compressor under a1 frequency after the stable operation S1 time, by compressor operating to required frequency;
When compressor is single cylinder state and the operation demand of compressor is twin-tub operation demand, compressor starts with single cylinder state, by the driving governor of compressor, load compensation is carried out 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 by compressor operating to required frequency;
When compressor is twin-tub state and the operation demand of 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;
When compressor is twin-tub state and the operation demand of compressor is single cylinder operation demand, compressor starts with twin-tub state, compressor after the stable operation S4 time, is switched to single cylinder state by the motor of compressor under a4 frequency, then by compressor operating 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, when compressor is single cylinder state, compressor starts with single cylinder state, and, by the driving governor of compressor, load compensation being carried out to the motor of compressor, by increasing load compensation, making the single cylinder body of rotation stressed substantially identical in the load of different rotational angle, reach stress balance, and then make compressor even running.In this case, when unit demand is single cylinder operation demand, the motor of compressor under a1 frequency after the stable operation S1 time, by compressor operating to required frequency; When unit demand is twin-tub operation demand, compressor after the stable operation S2 time, is switched to twin-tub state by the motor of compressor under a2 frequency, then by compressor operating to required frequency.In like manner, when compressor is twin-tub state, compressor is twin-tub state; Open compressor, make compressor even running.When unit demand is twin-tub operation demand, the motor of compressor under a3 frequency after the stable operation S3 time, by compressor operating to required frequency; When unit demand is single cylinder operation demand, compressor after the stable operation S4 time, is switched to single cylinder state by the motor of compressor under a4 frequency, then by compressor operating to required frequency.The control method of the air-conditioning system that the embodiment of the present invention provides, effectively improves the stationarity in compressor start process, and then improves the operational reliability of system.
The first embodiment
Please refer to Fig. 1, the first flow chart of the air conditioner system control method that Fig. 1 provides for the embodiment of the present invention.
Embodiments provide a kind of control method of air-conditioning system, air-conditioning system comprises compressor, and compressor is frequency conversion positive displacement compressor, comprises step:
S101: before opening air-conditioning system, detects the state of compressor;
Because compressor is frequency conversion positive displacement compressor, namely 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: when compressor is single cylinder state, judges 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: when compressor is single cylinder state and the operation demand of compressor is single cylinder operation demand, compressor starts with single cylinder state, by the driving governor of compressor, load compensation is carried out to the motor of compressor, and at the motor of compressor under a1 frequency after the stable operation S1 time, by compressor operating to required frequency.
S105: when compressor is single cylinder state and the operation demand of compressor is not single cylinder operation demand (i.e. twin-tub operation demand), compressor starts with single cylinder state, by the driving governor of compressor, load compensation is carried out 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 by compressor operating to required frequency.
S103 ': when compressor is not single cylinder state (i.e. twin-tub state), judges 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 ': when compressor is twin-tub state and the operation demand of compressor is not single cylinder operation demand (i.e. 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.
S105 ': when compressor is twin-tub state and the operation demand of compressor is single cylinder operation demand, compressor starts with twin-tub state, compressor after the stable operation S4 time, is switched to single cylinder state by the motor of compressor under a4 frequency, then by compressor operating to required frequency.
Be understandable that, also first can judge the operation demand of air-conditioning system to compressor, then judge the state of opening compressor before described air-conditioning system, introduce no longer in detail at this.
The second embodiment
Please refer to Fig. 2, the second flow chart of the air conditioner system control method that Fig. 2 provides for the embodiment of the present invention.Embodiments provide a kind of control method of air-conditioning system, air-conditioning system comprises compressor, and compressor is frequency conversion positive displacement compressor, comprises step:
S201: before opening air-conditioning system, detects the state of compressor;
Because compressor is frequency conversion positive displacement compressor, namely 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: when compressor is single cylinder state, compressor starts with single cylinder state, carries out load compensation by the driving governor of compressor to the motor of compressor.
S204: judge compressor operating demand whether single cylinder operation demand;
Also can judge whether air-conditioning system is twin-tub operation demand to the operation demand of compressor.
S205: when compressor is single cylinder state and the operation demand of compressor is single cylinder operation demand, compressor starts with single cylinder state, by the driving governor of compressor, load compensation is carried out to the motor of compressor, and at the motor of compressor under a1 frequency after the stable operation S1 time, by compressor operating to required frequency.
S206: when compressor is single cylinder state and the operation demand of compressor is not single cylinder operation demand (i.e. twin-tub operation demand), compressor starts with single cylinder state, by the driving governor of compressor, load compensation is carried out 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 by compressor operating to required frequency.
S203 ': when compressor is not single cylinder state (i.e. 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 ': when compressor is twin-tub state and the operation demand of compressor is not single cylinder operation demand (i.e. 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.
S206 ': when compressor is twin-tub state and the operation demand of compressor is single cylinder operation demand, compressor starts with twin-tub state, compressor after the stable operation S4 time, is switched to single cylinder state by the motor of compressor under a4 frequency, then by compressor operating to required frequency.
Further, electric machine frequency a1, a2, a3, a4 of compressor are all identical.Also a1, a2, a3 and a4 can be arranged different numerical value respectively, namely 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 being arranged between 35 ~ 50Hz by electric machine frequency, make the situation that the slosh frequency of compressor is larger to avoid frequency too small.
Running time S1, S2, S3 of above-mentioned motor are all identical with S4.Also S1, S2, S3 and S4 can be arranged different numerical value respectively, namely 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, when compressor is single cylinder state and the operation demand of compressor is twin-tub operation demand, after compressor is switched to twin-tub state, by the driving governor of compressor, load compensation is not carried out to the motor of compressor, then by compressor operating to required frequency.
Due to be single cylinder operation demand at the operation demand of compressor and compressor open before state be twin-tub state time, compressor starts with single cylinder state.In order to guarantee the running stability of compressor when the state of compressor is adjusted to single cylinder state, in this case, compressor is switched to single cylinder state, by the driving governor of compressor, load compensation is carried out to the motor of compressor, compressor parallel-adder settle-out time S ', then by compressor operating 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 carries out compressing simultaneously and single cylinder carry out compressing simultaneously.The gas outlet of compressor 1 is communicated with the second air inlet B of compressor 1, and 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; Disconnect gas outlet and its second air inlet B of compressor 1, make the refrigerant in gas-liquid separator 7 flow into the second air inlet B, compressor 1 is twin-tub state.Wherein, when twin-tub state starts.Because the structure of two cylinder bodies is symmetrical, make stress balance, when 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, first air inlet A of compressor 1 is communicated with the first row gas port of gas-liquid separator 7, the second exhaust 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, being communicated with the first pipeline between the gas outlet of compressor 1 and the second air inlet B of compressor 1, the first pipeline being in series with control valve 5; The second exhaust port of gas-liquid separator 7 is communicated with the part of the first pipeline between control valve 5 with the second air inlet B.
In order to avoid refrigerant passes back into gas-liquid separator 7 by the second exhaust port of gas-liquid separator 7, connecting pipe between the second exhaust port of gas-liquid separator 7 and the first pipeline is in series with check valve 6, and the communication direction of check valve 6 is to the first pipeline by gas-liquid separator 7.That is, in connecting pipe, the flow direction of refrigerant only can realize 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 to the part of the first pipeline between control valve 5 and the second air inlet B.By arranging second pipe, to realize the effect when compression cylinder twin-tub rotates to gas-liquid separator tonifying Qi.
Wherein, second pipe is in series with capillary 8, to reach the effect of reducing pressure by regulating flow.
Further, second pipe is also in series with filter 9, effectively avoids the impurity in the refrigerant flowed to compressor 1 through second pipe to enter compressor 1.
In description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments 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, and described compressor is frequency conversion positive displacement compressor, it is characterized in that, comprises step:
Detect and judge original state: before the described air-conditioning system of unlatching, detect and judge the state of described compressor;
Judge operation demand: judge the operation demand of described air-conditioning system to described compressor;
Start: when described compressor is single cylinder state and the operation demand of described compressor is single cylinder operation demand, described compressor starts with single cylinder state, load compensation is carried out to the motor of described compressor, and at the motor of described compressor under a1 frequency after the stable operation S1 time, by described compressor operating to required frequency;
When described compressor is single cylinder state and the operation demand of described compressor is twin-tub operation demand, described compressor starts with single cylinder state, load compensation is carried out to the motor of described compressor, the motor of described compressor is under a2 frequency after the stable operation S2 time, described compressor is switched to twin-tub state, then by described compressor operating to required frequency;
When described compressor is twin-tub state and the operation demand of 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;
When described compressor is twin-tub state and the operation demand of 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, then by described compressor operating to required frequency.
2. the control method of air-conditioning system as claimed in claim 1, it is characterized in that, electric machine frequency a1, a2, a3 of described compressor (1) are all identical with a4.
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, it 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, it 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, it 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 single cylinder state and described air-conditioning system is twin-tub operation demand to the operation demand of described compressor, after described compressor is switched to twin-tub state, load compensation is not carried out to the motor of described compressor, then by described compressor operating 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 twin-tub state and described air-conditioning system is single cylinder operation demand to the operation demand of described compressor, described compressor is switched to single cylinder state, load compensation is carried out to the motor of described compressor, described compressor parallel-adder settle-out time S ', then by described compressor operating to required frequency.
9. the control method of the air-conditioning system stated as claim 8, it 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, first air inlet A of described compressor is communicated with the first row gas port of described gas-liquid separator, the gas outlet and its second air inlet B that are communicated with described compressor 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, is communicated with the first pipeline, described first pipeline is in series with control valve between the gas outlet of described compressor and the second air inlet B of described compressor; The second exhaust port of described gas-liquid separator is communicated with the part of described first pipeline between described control valve with described second air inlet B.
The control method of 12. air-conditioning systems as claimed in claim 11, it is characterized in that, connecting pipe between the second exhaust port of described gas-liquid separator and described first pipeline is in series with check valve, and the communication direction of described check valve is to described first pipeline by described gas-liquid separator.
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 to the part of described first pipeline between described control valve and described second air inlet B.
The control method of 14. air-conditioning systems as claimed in claim 13, is characterized in that, described second pipe is in series with capillary and filter.
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| CN201410160587.2A CN103884081B (en) | 2014-04-21 | 2014-04-21 | Control method of air conditioning system |
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| CN105698426A (en) * | 2016-03-03 | 2016-06-22 | 广东美的制冷设备有限公司 | Air conditioning system and control method of air conditioning system |
| CN106152342B (en) * | 2016-07-04 | 2020-12-04 | 珠海格力电器股份有限公司 | Variable-displacement-ratio two-stage compression air conditioning system and control method thereof |
| CN107883600B (en) * | 2016-09-30 | 2023-11-28 | 上海海立电器有限公司 | One-driving-two air conditioning system |
| CN107860161B (en) * | 2017-09-19 | 2019-08-27 | 珠海格力电器股份有限公司 | Compressor cylinder body switching method and device, storage medium, compressor and equipment |
| CN109026712B (en) | 2018-06-27 | 2020-03-24 | 珠海格力电器股份有限公司 | Variable volume control method and device for compressor and intelligent household appliance |
| CN109916056B (en) * | 2018-08-17 | 2020-08-14 | 珠海格力电器股份有限公司 | Method and device for controlling cylinder cutting of compressor, unit and air conditioning system |
| CN109185094B (en) * | 2018-08-17 | 2019-07-23 | 珠海格力电器股份有限公司 | Method and device for controlling cylinder cutting of compressor, unit and air conditioning system |
| CN109538457B (en) * | 2018-10-10 | 2020-05-22 | 珠海格力电器股份有限公司 | Method and device for controlling cylinder cutting of compressor, unit and air conditioning system |
| CN109441820B (en) * | 2018-10-19 | 2020-11-24 | 珠海格力电器股份有限公司 | Variable-capacity compressor starting control method and device, variable-capacity compressor and storage medium |
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| CN102331072A (en) * | 2011-09-20 | 2012-01-25 | 广东美的电器股份有限公司 | Energy-saving control method for air conditioner with double-mode double-rotor variable frequency compressor |
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| CN103353156A (en) * | 2013-04-27 | 2013-10-16 | 宁波奥克斯空调有限公司 | Control method for variable frequency air conditioner adopting duplex cylinder compressor |
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| KR101243224B1 (en) * | 2006-01-10 | 2013-03-13 | 삼성전자주식회사 | Method for control operating of air conditioner |
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| US5236477A (en) * | 1991-11-05 | 1993-08-17 | Kabushiki Kaisha Toshiba | Microcomputer-based control device |
| CN102331072A (en) * | 2011-09-20 | 2012-01-25 | 广东美的电器股份有限公司 | Energy-saving control method for air conditioner with double-mode double-rotor variable frequency compressor |
| CN103062866A (en) * | 2013-01-04 | 2013-04-24 | 广东美的制冷设备有限公司 | Energy saving control method, energy saving control system and air conditioner |
| CN103353156A (en) * | 2013-04-27 | 2013-10-16 | 宁波奥克斯空调有限公司 | Control method for variable frequency air conditioner adopting duplex cylinder compressor |
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