CN105465956A - Control method for double-cylinder variable-capacity air conditioner - Google Patents
Control method for double-cylinder variable-capacity air conditioner Download PDFInfo
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- CN105465956A CN105465956A CN201510962435.9A CN201510962435A CN105465956A CN 105465956 A CN105465956 A CN 105465956A CN 201510962435 A CN201510962435 A CN 201510962435A CN 105465956 A CN105465956 A CN 105465956A
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- air conditioner
- cylinder compressor
- tub
- temperature
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 abstract 1
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
Abstract
The invention discloses a control method for a double-cylinder variable-capacity air conditioner. The control method comprises the steps that when the double-cylinder variable-capacity air conditioner operates for refrigerating, if the air return temperature RT of an indoor unit is in a decreasing process, the double-cylinder compressor operates in a double-cylinder mode when the difference value delta T between the air return temperature RT and a set temperature ST is equal to t1, the double-cylinder compressor operates in a single-cylinder mode when the difference delta T is equal to tn, the double-cylinder compressor stops operating when the difference value delta T is equal to tmin, the value range of the t1 is 2 to 34 DEG C, the value range of the tn is 0.3 to 0.8 DEG C, and the value range of the tmin is -0.8 to -0.3 DEG C; and if the air return temperature of the indoor unit is in an increasing process, the double-cylinder compressor operates in the double-cylinder mode when the difference value delta T is equal to t1, the double-cylinder compressor operates in the single-cylinder mode when the difference value delta T is equal to tn+1, and the double-cylinder compressor stops operating when the difference value delta T is equal to tmin. By the adoption of the control method, it can be guaranteed that higher energy efficiency is achieved, the temperature change is small, and the comfort is better.
Description
Technical field
The present invention relates to field of air conditioning, particularly relate to a kind of control method of twin-tub variable capacitance air conditioner.
Background technology
Energy-conserving and environment-protective are development trends of air conditioner industry.In prior art, air-conditioner is generally by judging that the difference of room temperature and design temperature controls the work of air-conditioner, reaches and reduces and improve the temperature in room.This mode needs constantly to open and close huge discharge air-conditioner system, and cause variations in temperature comparatively large, comfortableness is poor, and especially an outer machine is dragged to the situation of multiple interior machine, its comfortableness and efficiency all can not be guaranteed.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of control method of twin-tub variable capacitance air conditioner, be intended to solve the problems such as its variations in temperature of existing air-conditioner is large, efficiency can not be guaranteed.
Technical scheme of the present invention is as follows:
A control method for twin-tub variable capacitance air conditioner, wherein, comprises step:
S1, duplex cylinder compressor start, and run in twin-tub mode;
S2, when twin-tub variable capacitance air conditioner running refrigerating, the variation tendency of return air temperature RT of monitoring indoor set, and calculate the difference DELTA T of return air temperature RT and design temperature ST;
If S3 indoor set return air temperature RT is in the process that temperature declines, if described difference DELTA T=t
1time, described duplex cylinder compressor runs in twin-tub mode;
As described difference DELTA T=t
ntime, run in single cylinder mode,
As described difference DELTA T=t
mintime, duplex cylinder compressor out of service;
Described t
1span be 2 ~ 34 DEG C, described t
nspan be 0.3 ~ 0.8 DEG C, described t
minspan be-0.8 ~-0.3 DEG C;
If S4 indoor set return air temperature RT is in the process that temperature rises, if as described difference DELTA T=t
1time, duplex cylinder compressor runs in twin-tub mode,
As described difference DELTA T=t
nwhen+1, described duplex cylinder compressor runs in single cylinder mode,
As described difference DELTA T=t
mintime, described duplex cylinder compressor out of service.
The control method of described twin-tub variable capacitance air conditioner, wherein, also comprises after described step S4:
If S5 continuous first scheduled time detects the heat exchanger coil temperature IPT≤t of indoor set
f, described duplex cylinder compressor then runs in single cylinder mode, and forces the outdoor fan of twin-tub variable capacitance air conditioner and indoor fan to run, t
fenter protection temperature spot.
The control method of described twin-tub variable capacitance air conditioner, wherein, also comprises after described step S5:
If S6 continuous second scheduled time detects the heat exchanger coil temperature IPT>=t of indoor set
f, then duplex cylinder compressor out of service, and force the outdoor fan of twin-tub variable capacitance air conditioner and indoor fan to run, t
fenter protection temperature spot.
The control method of described twin-tub variable capacitance air conditioner, wherein, also comprises after described step S6:
S7, after duplex cylinder compressor first scheduled time out of service, if the heat exchanger coil temperature IPT>=t of indoor set detected
k, then start outdoor fan and duplex cylinder compressor, and indoor fan returns to the ortho states before step S5, t
kexit temperature spot.
The control method of described twin-tub variable capacitance air conditioner, wherein, described t
fspan be 1 ~ 2 DEG C, described t
kspan be 4 ~ 5 DEG C.
A control method for twin-tub variable capacitance air conditioner, wherein, comprises step:
N1, duplex cylinder compressor start, and run in twin-tub mode;
N2, when twin-tub variable capacitance air conditioner run heat time, the variation tendency of return air temperature CRT of monitoring indoor set after compensating, and calculate the difference DELTA M of CRT and design temperature ST;
If the process that the temperature that is in the return air temperature CRT of N3 after compensating rises, then as described difference DELTA M=a
1time, duplex cylinder compressor out of service,
As described difference DELTA M=a
2time, described duplex cylinder compressor runs in single cylinder mode,
As described difference DELTA M=a
ntime, described duplex cylinder compressor runs in twin-tub mode;
Described a
1span be 0 ~ 34 DEG C, described a
2span be-2 ~ 0 DEG C, described a
nspan be-34 ~-2 DEG C;
If the return air temperature CRT of N4 after compensating is in the process that temperature declines, then as described difference DELTA M=a
1time, duplex cylinder compressor out of service,
As described difference DELTA M=a
2time, described duplex cylinder compressor then runs in single cylinder mode,
As described difference DELTA M=a
nwhen+1, described duplex cylinder compressor then runs in twin-tub mode.
The control method of described twin-tub variable capacitance air conditioner, wherein, also comprises after described step N4:
If N5 detects the heat exchanger coil temperature IPT>=a of indoor set
g, described duplex cylinder compressor then runs in single cylinder mode, a
gspan be 52 ~ 54 DEG C.
The control method of described twin-tub variable capacitance air conditioner, wherein, also comprises after described step N5:
If N6 detects the heat exchanger coil temperature IPT>=a of indoor set
z, then the outdoor fan of twin-tub variable capacitance air conditioner is closed, a
zspan be 55 ~ 57 DEG C.
The control method of described twin-tub variable capacitance air conditioner, wherein, also comprises after described step N6:
If N7 detects the heat exchanger coil temperature IPT>=a of indoor set
max, then duplex cylinder compressor out of service, and force the indoor fan of twin-tub variable capacitance air conditioner to run, a
maxspan be 65 ~ 68 DEG C.
The control method of described twin-tub variable capacitance air conditioner, wherein, also comprises after described step N7:
If N8 detects the heat exchanger coil temperature IPT≤a of indoor set
c, then open outdoor fan and the duplex cylinder compressor of twin-tub variable capacitance air conditioner, and make the ortho states before the indoor fan recovering step N5 of twin-tub variable capacitance air conditioner, a
cspan be 47 ~ 49 DEG C.
Beneficial effect: control method of the present invention, by detecting the variation tendency of the difference size between return air temperature and design temperature and return air temperature, the method of operation of duplex cylinder compressor is regulated, it can guarantee to have higher efficiency, and variations in temperature rises and falls little, and comfortableness is better.
Accompanying drawing explanation
Fig. 1 is the structural representation of twin-tub variable capacitance air conditioner in the present invention.
Fig. 2 is the flow chart of control method first embodiment of a kind of twin-tub variable capacitance air conditioner of the present invention.
Fig. 3 is the flow chart of control method second embodiment of a kind of twin-tub variable capacitance air conditioner of the present invention.
Detailed description of the invention
The invention provides a kind of control method of twin-tub variable capacitance air conditioner, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, twin-tub variable capacitance air conditioner in the present invention comprises indoor set and off-premises station, evaporimeter 9 is provided with in indoor set wherein, be provided with duplex cylinder compressor 1(in off-premises station and specifically comprise fixing operation cylinder and adjustable operation cylinder), high-pressure stop valve 2, throttle part 4, condenser 6, four-way change-over valve 7, low-pressure shutoff valve 8, wherein evaporimeter 9 one end is connected to high-pressure stop valve 2, the other end connects low-pressure shutoff valve 8, described high-pressure stop valve 2 is also connected to one end of described throttle part 4, described throttle part 4 other end connects condenser 6, described condenser 6 is also connected to the first of four-way change-over valve 7, described low-pressure shutoff valve 8 is also connected to second mouthful of four-way change-over valve 7, the 3rd mouthful of described four-way change-over valve 7 is connected to the exhaust outlet 5 of described duplex cylinder compressor 1, the 4th mouthful of described four-way change-over valve 7 is connected to the gas returning port 3 of described duplex cylinder compressor 1.
When duplex cylinder compressor 1 starts, first start fixing operation cylinder, after a period of time, restart adjustable operation cylinder.The switching time of the magnetic valve that the magnetic valve that the gas returning port 3 of duplex cylinder compressor 1 connects is connected with exhaust outlet 5 is spaced apart n1 second, as 5 ~ 10 seconds.
In order to protect compressor, compressor single cylinder runs n hour after (as 1 ~ 2 hour) continuously, must start twin-tub and run n minute (as 3 ~ 5 minutes).After duplex cylinder compressor startup optimization n minute (twin-tub operation), then the change of response temperature, the change namely responding single, double cylinder controls; When receiving mode conversion signal, time delay n2 translative mode second (as 3 ~ 5 seconds).
Control method first embodiment of the present invention, as shown in Figure 2, it mainly comprises the following steps:
S1, duplex cylinder compressor start, and run (as run 3 ~ 5 minutes) in twin-tub mode;
S2, when twin-tub variable capacitance air conditioner running refrigerating, the variation tendency of return air temperature RT of monitoring indoor set, and calculate the difference DELTA T of return air temperature RT and design temperature ST; Its scope of design temperature ST is wherein generally 16 ~ 31 DEG C.
If S3 indoor set return air temperature RT is in the process that temperature declines, if described difference DELTA T=t
1time, described duplex cylinder compressor runs in twin-tub mode;
As described difference DELTA T=t
ntime, described duplex cylinder compressor runs in single cylinder mode;
As described difference DELTA T=t
mintime, duplex cylinder compressor out of service;
Described t
1span be 2 ~ 34 DEG C, described t
nspan be 0.3 ~ 0.8 DEG C, described t
minspan be-0.8 ~-0.3 DEG C; That is, when described return air temperature RT is greater than design temperature ST, and difference is comparatively large, and illustrate and need fast cooling to reach design temperature ST, namely duplex cylinder compressor runs in twin-tub mode, when in the scope that difference DELTA T narrows down to 0.3 ~ 0.8 DEG C, then gap is less, only need run in single cylinder mode, when in the scope that difference reaches-0.8 ~-0.3 DEG C, illustrate that return air temperature RT has slightly been less than design temperature ST, duplex cylinder compressor out of service.
If S4 indoor set return air temperature RT is in the process that temperature rises, if as described difference DELTA T=t
1time, duplex cylinder compressor runs in twin-tub mode;
As described difference DELTA T=t
nwhen+1, described duplex cylinder compressor runs in single cylinder mode;
As described difference DELTA T=t
mintime, described duplex cylinder compressor out of service.With step S4, although return air temperature RT is in the process of rising, because difference is still in t
1scope in, then illustrate with design temperature ST there is larger gap, duplex cylinder compressor need run in twin-tub mode, when difference is in t
n+ 1 scope time, gap is contracted to certain limit, and only need run in single cylinder mode, last return air temperature RT is less than design temperature ST slightly, then duplex cylinder compressor out of service.
Also comprise after described step S4:
If S5 continuous first scheduled time detects the heat exchanger coil temperature IPT≤t of indoor set
f, then described duplex cylinder compressor runs in single cylinder mode, and forces the outdoor fan of twin-tub variable capacitance air conditioner and indoor fan to run, and described first scheduled time is preferably 3min.T
fenter protection temperature spot, described t
fspan be preferably 1 ~ 2 DEG C.Namely, after continuous 3min, IPT is less than t
f, then described duplex cylinder compressor only need run in single cylinder mode, and forces outdoor fan and indoor fan to run.
Also comprise after described step S5:
If S6 continuous second scheduled time detects the heat exchanger coil temperature IPT>=t of indoor set
f, then duplex cylinder compressor out of service, and force the outdoor fan of twin-tub variable capacitance air conditioner and indoor fan to run, described second scheduled time is preferably 1min.Namely continuous 1minIPT is greater than t
f, then duplex cylinder compressor out of service, and force outdoor fan and indoor fan to run.
Also comprise after described step S6:
S7, after duplex cylinder compressor first scheduled time out of service, if the heat exchanger coil temperature IPT>=t of indoor set detected
k, then start outdoor fan and duplex cylinder compressor, and the ortho states before indoor fan recovering step S5, t
kexit temperature spot, described t
kspan be preferably 4 ~ 5 DEG C.Namely after duplex cylinder compressor 3min out of service, if IPT>=t detected
k, then need to start outdoor fan and duplex cylinder compressor, the ortho states of duplex cylinder compressor before operation returned to step S5 after three minutes.
Control method second embodiment of the present invention, as shown in Figure 3, it comprises step:
N1, duplex cylinder compressor start, and run (as run 3 ~ 5min) in twin-tub mode;
N2, when twin-tub variable capacitance air conditioner run heat time, (during heating mode, indoor set return air temperature RT being compensated, that is: the return air temperature CRT=RT-Tb after compensation, CRT-ST=Δ M DEG C), the variation tendency of real-time monitoring CRT, and calculate the difference DELTA M of CRT and design temperature ST;
N3: if the return air temperature CRT after compensating is in the process that temperature rises, then as described difference DELTA M=a
1time, duplex cylinder compressor out of service;
As described difference DELTA M=a
2time, described duplex cylinder compressor runs in single cylinder mode;
As described difference DELTA M=a
ntime, described duplex cylinder compressor runs in twin-tub mode;
Described a
1span be 0 ~ 34 DEG C, described a
2span be-2 ~ 0 DEG C, described a
nspan be-34 ~-2 DEG C.That is, when CRT is greater than ST, then heat without the need to continuing, so duplex cylinder compressor out of service, when CRT is less than ST and gap is less, described duplex cylinder compressor then runs in single cylinder mode, when CRT is less than ST and gap is larger, described duplex cylinder compressor then needs twin-tub mode to run, and heats fast.
N4: if the return air temperature CRT after compensating is in the process that temperature declines, then as described difference DELTA M=a
1scope in time, duplex cylinder compressor out of service;
As described difference DELTA M=a
2time, described duplex cylinder compressor then runs in single cylinder mode;
As described difference DELTA M=a
nwhen+1, described duplex cylinder compressor then runs in twin-tub mode.Be greater than ST with step N4, CRT, then heat without the need to continuing, duplex cylinder compressor out of service, as CRT, to be less than ST gap less (at a
2scope in), described duplex cylinder compressor then runs in single cylinder mode, and when difference is comparatively large, described duplex cylinder compressor then runs in twin-tub mode.
Also comprise after described step N4:
If N5 detects the heat exchanger coil temperature IPT>=a of indoor set
g, described duplex cylinder compressor then runs in single cylinder mode, a
gsingle cylinder compressor operating temperature, a
gspan be preferably 52 ~ 54 DEG C.
Also comprise after described step N5:
If N6 detects the heat exchanger coil temperature IPT>=a of indoor set
z, then the outdoor fan of twin-tub variable capacitance air conditioner is closed, a
zblower fan operating temperature, a
zspan be preferably 55 ~ 57 DEG C;
Also comprise after described step N6:
If N7 detects the heat exchanger coil temperature IPT>=a of indoor set
max, then duplex cylinder compressor out of service, and force the indoor fan of twin-tub variable capacitance air conditioner to run, a
maxthe operating temperature of close compressor, a
maxspan be preferably 65 ~ 68 DEG C,
Also comprise after described step N7:
If N8 detects the heat exchanger coil temperature IPT≤a of indoor set
c, then open the outdoor fan of twin-tub variable capacitance air conditioner and duplex cylinder compressor (duplex cylinder compressor can return to step N5 after running 3min before ortho states), and the ortho states before making the indoor fan of twin-tub variable capacitance air conditioner return to step N5, a
cthe judgement temperature of resuming operation, a
cspan be preferably 47 ~ 49 DEG C.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (10)
1. a control method for twin-tub variable capacitance air conditioner, is characterized in that, comprises step:
S1, duplex cylinder compressor start, and run in twin-tub mode;
S2, when twin-tub variable capacitance air conditioner running refrigerating, the variation tendency of return air temperature RT of monitoring indoor set, and calculate the difference DELTA T of return air temperature RT and design temperature ST;
If S3 indoor set return air temperature RT is in the process that temperature declines, if described difference DELTA T=t
1time, described duplex cylinder compressor runs in twin-tub mode;
As described difference DELTA T=t
ntime, described duplex cylinder compressor runs in single cylinder mode,
As described difference DELTA T=t
mintime, duplex cylinder compressor out of service;
Described t
1span be 1 ~ 34 DEG C, described t
nspan be 0.3 ~ 0.8 DEG C, described t
minspan be-0.8 ~-0.3 DEG C;
If S4 indoor set return air temperature RT is in the process that temperature rises, if described difference DELTA T=t
1time, described duplex cylinder compressor runs in twin-tub mode,
As described difference DELTA T=t
nwhen+1, described duplex cylinder compressor runs in single cylinder mode,
As described difference DELTA T=t
mintime, described duplex cylinder compressor out of service.
2. the control method of twin-tub variable capacitance air conditioner according to claim 1, is characterized in that, also comprises after described step S4:
If S5 continuous first scheduled time detects the heat exchanger coil temperature IPT≤t of indoor set
f, described duplex cylinder compressor then runs in single cylinder mode, and forces the outdoor fan of twin-tub variable capacitance air conditioner and indoor fan to run, t
fenter protection temperature spot.
3. the control method of twin-tub variable capacitance air conditioner according to claim 2, is characterized in that, also comprises after described step S5:
If S6 continuous second scheduled time detects the heat exchanger coil temperature IPT>=t of indoor set
f, then duplex cylinder compressor out of service, and force the outdoor fan of twin-tub variable capacitance air conditioner and indoor fan to run, t
fenter protection temperature spot.
4. the control method of twin-tub variable capacitance air conditioner according to claim 3, is characterized in that, also comprises after described step S6:
S7, after duplex cylinder compressor first scheduled time out of service, if the heat exchanger coil temperature IPT>=t of indoor set detected
k, then start outdoor fan and duplex cylinder compressor, and indoor fan returns to the ortho states before step S5, t
kexit temperature spot.
5. the control method of twin-tub variable capacitance air conditioner according to claim 4, is characterized in that, described t
fspan be 1 ~ 2 DEG C, described t
kspan be 4 ~ 5 DEG C.
6. a control method for twin-tub variable capacitance air conditioner, is characterized in that, comprises step:
N1, duplex cylinder compressor start, and run in twin-tub mode;
N2, when twin-tub variable capacitance air conditioner run heat time, the variation tendency of return air temperature CRT of monitoring indoor set after compensating, and calculate the difference DELTA M of CRT and design temperature ST;
If the process that the temperature that is in the return air temperature CRT of N3 after compensating rises, then as described difference DELTA M=a
1time, duplex cylinder compressor out of service,
As described difference DELTA M=a
2time, described duplex cylinder compressor runs in single cylinder mode,
As described difference DELTA M=a
ntime, described duplex cylinder compressor runs in twin-tub mode;
Described a
1span be 0 ~ 34 DEG C, described a
2span be-2 ~ 0 DEG C, described a
nspan be-34 ~-2 DEG C;
If the return air temperature CRT of N4 after compensating is in the process that temperature declines, then as described difference DELTA M=a
1time, duplex cylinder compressor out of service,
As described difference DELTA M=a
2time, described duplex cylinder compressor then runs in single cylinder mode,
As described difference DELTA M=a
nwhen+1, described duplex cylinder compressor then runs in twin-tub mode.
7. the control method of twin-tub variable capacitance air conditioner according to claim 6, is characterized in that, also comprises after described step N4:
If N5 detects the heat exchanger coil temperature IPT>=a of indoor set
g, described duplex cylinder compressor then runs in single cylinder mode, a
gspan be 52 ~ 54 DEG C.
8. the control method of twin-tub variable capacitance air conditioner according to claim 7, is characterized in that, also comprises after described step N5:
If N6 detects the heat exchanger coil temperature IPT>=a of indoor set
z, then the outdoor fan of twin-tub variable capacitance air conditioner is closed, a
zspan be 55 ~ 57 DEG C.
9. the control method of twin-tub variable capacitance air conditioner according to claim 8, is characterized in that, also comprises after described step N6:
If N7 detects the heat exchanger coil temperature IPT>=a of indoor set
max, then duplex cylinder compressor out of service, and force the indoor fan of twin-tub variable capacitance air conditioner to run, a
maxspan be 65 ~ 68 DEG C.
10. the control method of twin-tub variable capacitance air conditioner according to claim 9, is characterized in that, also comprises after described step N7:
If N8 detects the heat exchanger coil temperature IPT≤a of indoor set
c, then open outdoor fan and the duplex cylinder compressor of twin-tub variable capacitance air conditioner, and make the ortho states before the indoor fan recovering step N5 of twin-tub variable capacitance air conditioner, a
cspan be 47 ~ 49 DEG C.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595116A (en) * | 2016-12-23 | 2017-04-26 | Tcl空调器(中山)有限公司 | Air conditioner and control method thereof |
| CN106989479A (en) * | 2017-03-09 | 2017-07-28 | 广东美的制冷设备有限公司 | The control method and device of air conditioner and its duplex cylinder compressor |
| WO2017185514A1 (en) * | 2016-04-29 | 2017-11-02 | 广东美的制冷设备有限公司 | Cooling and heating air conditioner, cooling-only air conditioner, and control method for air conditioner |
| CN109185094A (en) * | 2018-08-17 | 2019-01-11 | 珠海格力电器股份有限公司 | A kind of method, apparatus and unit, air-conditioning system of control compression machine-cut cylinder |
| CN109210696A (en) * | 2018-09-10 | 2019-01-15 | 青岛海尔空调器有限总公司 | A kind of control method of air-conditioning anti-freeze protection |
| CN111397167A (en) * | 2020-03-23 | 2020-07-10 | 广东海悟科技有限公司 | Double-frequency conversion system, control method of frequency conversion compressor of double-frequency conversion system and storage medium |
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