CN105465975B - Air conditioner and control method thereof - Google Patents
Air conditioner and control method thereof Download PDFInfo
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- CN105465975B CN105465975B CN201510940918.9A CN201510940918A CN105465975B CN 105465975 B CN105465975 B CN 105465975B CN 201510940918 A CN201510940918 A CN 201510940918A CN 105465975 B CN105465975 B CN 105465975B
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- solenoid valve
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- air conditioner
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- preset range
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000003507 refrigerant Substances 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 230000001105 regulatory effect Effects 0.000 claims description 36
- 238000010438 heat treatment Methods 0.000 claims description 24
- 238000005057 refrigeration Methods 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 21
- 238000001514 detection method Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an air conditioner and a control method of the air conditioner. The air conditioner comprises a compressor driving plate, a refrigerant cooling module, a first electromagnetic valve, a second electromagnetic valve and a controller; a liquid inlet at one side of the refrigerant cooling module is connected with the connecting pipeline through a first electromagnetic valve, and a liquid outlet at one side of the refrigerant cooling module is connected with the same section of connecting pipeline through a second electromagnetic valve; the controller controls the opening degrees of the first and second electromagnetic valves according to the temperature of the compressor driving plate to control the temperature of the compressor driving plate within a predetermined range. Through the technical scheme, the opening degrees of the first electromagnetic valve and the second electromagnetic valve can be controlled according to the temperature of the compressor driving plate, so that the quantity of the refrigerant entering the refrigerant cooling module is controlled, and the purpose of controlling the cooling temperature of the compressor driving plate is achieved.
Description
Technical field
The present invention relates to field of air conditioning, in particular to the control method of a kind of air conditioner and air conditioner.
Background technology
Currently, multi-connected machine generally use refrigerant cools down driven compressor plate, mainly passes through liquid pipe cooling.This method
Operation principle be, when refrigerant outdoor unit condenser heat exchange after, in refrigerant refrigerating module to driven compressor plate it is cold
But, then refrigerant flows out go to liquid pipe again.
Although above-mentioned technical proposal in the prior art can substantially meet requirement, there can be following problem:
(1) crushing is big.Refrigerant is from condenser outlet pipe to this pipeline section of refrigerant refrigerating module, because of the quilt step by step of caliber
It reduces, the crushing of unit is made also and then to increase.
(2) for the unit run under T3 worst hot cases, the prior art for driven compressor plate cooling effect not
Significantly.Especially, it when outdoor unit low-frequency operation list opens interior machine, because the flow of refrigerant is few, is not enough to drop to driven compressor plate
Temperature can be such that unit report compressor IPM protects, compressor emergency shutdown.
(3) unit can be such that each component aging of machine set compressor driving plate accelerates, weldering for a long time when worst hot case is run
Point falls off.
(4) unit can make electrical appliance kit have dew condensation phenomenon appearance for a long time when worst cold case is run.
Invention content
There is provided in the embodiment of the present invention it is a kind of it is simple in structure, at low cost, driven compressor plate can be carried out it is effectively cooling
The control method of air conditioner and air conditioner.
To achieve the above object, the embodiment of the present invention provides a kind of air conditioner, including driven compressor plate, refrigerant cool down mould
Block, the first solenoid valve, second solenoid valve and controller；The inlet of the side of refrigerant refrigerating module passes through the first solenoid valve and company
Piping connection is connect, the liquid outlet of the other side of refrigerant refrigerating module is connect by second solenoid valve with same section of connecting line；Control
Device processed controls the aperture of the first solenoid valve and second solenoid valve with by driven compressor plate according to the temperature of driven compressor plate
Temperature controls within a predetermined range.
Preferably, cooling controller further includes four-way valve, indoor heat exchanger, compressor, oil eliminator, outdoor heat exchange
Device, heating electric expansion valve and cooling electronic expansion valve；Pass through connecting line between the first end and indoor heat exchanger of four-way valve
Connection；The output end of compressor is connected by the second end of oil eliminator and four-way valve；The third end of four-way valve passes sequentially through room
With four after external heat exchanger, heating electric expansion valve, cooling electronic expansion valve, the side of refrigerant refrigerating module and indoor heat exchanger
The first end of port valve connects.
The present invention also provides a kind of control method of air conditioner, air conditioner includes driven compressor plate, refrigerant cooling mould
The inlet of block, the first solenoid valve, second solenoid valve and controller, the side of refrigerant refrigerating module passes through the first solenoid valve and company
Piping connection is connect, the liquid outlet of the other side of refrigerant refrigerating module is connect by second solenoid valve with same section of connecting line, control
Method processed includes：The aperture of the first solenoid valve and second solenoid valve is controlled to drive compressor according to the temperature of driven compressor plate
The temperature control of movable plate is within a predetermined range.
Preferably, in unit starting, second solenoid valve is fully open, and the first solenoid valve is opened into half.
Preferably, after the first predetermined time after unit starting, the first Current Temperatures of driven compressor plate are detected；
Calculate the first difference between the first Current Temperatures and the set temperature of driven compressor plate；If the first difference is in preset range
It is interior, then keep the aperture of the first solenoid valve constant.
Preferably, if the first difference is less than predetermined model in refrigeration less than the lower limit of preset range or in heating
The aperture of first solenoid valve is then increased the first regulated quantity by the upper limit enclosed.
Preferably, the aperture of the first solenoid valve is increased the first regulated quantity and after the second predetermined time, is detected
Second Current Temperatures of driven compressor plate；Calculate second between the second Current Temperatures and the set temperature of driven compressor plate
Difference；If the second difference is located in preset range, the aperture of the first solenoid valve remains unchanged.
Preferably, if the second difference is less than predetermined model in refrigeration less than the lower limit of preset range or in heating
The upper limit enclosed then continues the aperture of the first solenoid valve increasing the second regulated quantity, so cyclically by the aperture of the first solenoid valve
Second regulated quantity incremented by successively, until the second difference is located in preset range.
Preferably, the first regulated quantity be 2 × | Y-X |, wherein Y is set temperature, and X is the first Current Temperatures.
Preferably, the second regulated quantity be 2 × | Y-Xi |, wherein Y is set temperature, and Xi is the second Current Temperatures.
Preferably, if the first difference is less than predetermined model in refrigeration less than the upper limit of preset range or in heating
The aperture of first solenoid valve is then reduced third regulated quantity by the lower limit enclosed.
Preferably, the aperture of the first solenoid valve is reduced third regulated quantity and after the third predetermined time, is detected
The third Current Temperatures of driven compressor plate；Calculate the third between third Current Temperatures and the set temperature of driven compressor plate
Difference；If third difference is located in preset range, the aperture of the first solenoid valve remains unchanged.
Preferably, if third difference is less than predetermined model in refrigeration less than the upper limit of preset range or in heating
The lower limit enclosed then continues the aperture of the first solenoid valve reducing the 4th regulated quantity, so cyclically by the aperture of the first solenoid valve
Successively decrease successively the 4th regulated quantity, until third difference is located in preset range.
Preferably, third regulated quantity be 2 × | Y-X |, wherein Y is set temperature, and X is the first Current Temperatures.
Preferably, the 4th regulated quantity be 2 × | Y-Xj |, wherein Y is set temperature, and Xj is third Current Temperatures.
Through the above technical solutions, the present invention can be by according to the first solenoid valve of temperature pair of driven compressor plate and the
The aperture of two solenoid valves is controlled, and to control into the coolant quantity in refrigerant refrigerating module, is driven with reaching control compressor
The purpose of movable plate cooling temperature near the preset range above and below predetermined temperature, avoids the control of driven compressor plate temperature
Because pipeline, which reduces, leads to system pressure loss the problem of, solving driving board component, operation causes for a long time under bad working environments
The problem of component rapid aging, also solve the problems, such as that condensation occurs in driving plate under worst cold case.
Description of the drawings
Fig. 1 is schematic diagram of the air conditioner of the embodiment of the present invention in refrigerating operaton；
Fig. 2 is schematic diagram of the air conditioner of the embodiment of the present invention in heating operation；
Fig. 3 is the flow chart of the control method of the air conditioner of the embodiment of the present invention.
Reference sign：1, four-way valve；2, indoor heat exchanger；3, refrigerant refrigerating module；4, the first solenoid valve；5, second
Solenoid valve；6, compressor；7, oil eliminator；8, outdoor heat exchanger；9, electric expansion valve is heated；10, cooling electronic expansion valve；
11, gas-liquid separator；12, the first check valve；13, the second check valve.
Specific implementation mode
Present invention is further described in detail in the following with reference to the drawings and specific embodiments, but not as the limit to the present invention
It is fixed.
It please refers to Fig.1 and Fig. 2, the present invention provides provide a kind of air conditioner, including four-way valve 1, indoor heat exchanger 2, pressure
Contracting machine driving plate, refrigerant refrigerating module 3, the first solenoid valve 4, second solenoid valve 5 and controller；The side of refrigerant refrigerating module 3
Inlet connect with connecting line by the first solenoid valve 4, the liquid outlet of the other side of refrigerant refrigerating module 3 passes through the second electricity
Magnet valve 5 is connect with same section of connecting line, also by this section of connecting line between the first end and indoor heat exchanger 2 of four-way valve 1
Connection；Controller controls the aperture of the first solenoid valve 4 and second solenoid valve 5 with by compressor according to the temperature of driven compressor plate
The temperature control of driving plate is within a predetermined range.For example, the preset range can be ± 3 DEG C.
In this way, can by according to the aperture of the first solenoid valve of temperature pair 4 of driven compressor plate and second solenoid valve 5 into
Row control, to control into the coolant quantity in refrigerant refrigerating module 3, to reach the mesh of control driven compressor plate cooling temperature
, by the control of driven compressor plate temperature near the preset range above and below predetermined temperature, avoiding causes because pipeline reduces
The problem of system pressure loss, solving driving board component, operation leads to the rapid aging of component for a long time under bad working environments
Problem also solves the problems, such as that condensation occurs in driving plate under worst cold case.
Preferably, cooling controller further includes compressor 6, oil eliminator 7, outdoor heat exchanger 8, heating electric expansion valve
9 and cooling electronic expansion valve 10；The output end of compressor 6 is connect by oil eliminator 7 with the second end of four-way valve 1；Four-way valve 1
Third end pass sequentially through outdoor heat exchanger 8, heating electric expansion valve 9, cooling electronic expansion valve 10, refrigerant refrigerating module 3
It is connect with the first end of four-way valve 1 after side and indoor heat exchanger 2.
Preferably, cooling controller further includes gas-liquid separator 11, and the 4th end and the gas-liquid separator 11 of four-way valve 1 connect
It connects, the input terminal of compressor 6 is connect with gas-liquid separator 11.
Preferably, cooling controller further include be serially arranged between oil eliminator 7 and four-way valve 1 it is first unidirectional
Valve 12 and second check valve 13 in parallel with heating electric expansion valve 9.
It please refers to Fig.1 to 3, the present invention also provides a kind of control method of air conditioner, which includes that compressor drives
Movable plate, refrigerant refrigerating module 3, the first solenoid valve 4, second solenoid valve 5 and controller, the feed liquor of the side of refrigerant refrigerating module 3
Mouth is connect by the first solenoid valve 4 with connecting line, and the liquid outlet of the other side of refrigerant refrigerating module 3 passes through second solenoid valve 5
It is connect with same section of connecting line, which includes：The first solenoid valve 4 and the are controlled according to the temperature of driven compressor plate
The aperture of two solenoid valves 5 is to control within a predetermined range the temperature of driven compressor plate.
In this way, can by according to the aperture of the first solenoid valve of temperature pair 4 of driven compressor plate and second solenoid valve 5 into
Row control, to control into the coolant quantity in refrigerant refrigerating module 3, to reach the mesh of control driven compressor plate cooling temperature
, by the control of driven compressor plate temperature near the preset range above and below predetermined temperature, avoiding causes because pipeline reduces
The problem of system pressure loss, solving driving board component, operation leads to the rapid aging of component for a long time under bad working environments
Problem also solves the problems, such as that condensation occurs in driving plate under worst cold case.
Preferably, in unit starting, second solenoid valve 5 is fully open, and the first solenoid valve 4 is opened into half.This
Sample, please refers to Fig.1 and Fig. 2, and in refrigeration or heating operation, second solenoid valve 5 is fully open, and the first solenoid valve 4 is opened
Half, and in system other elements can by multi-connected machine in the prior art in the way of run.Preferably, the first solenoid valve
4 and second solenoid valve 5 can be used step number be Z Pls electric expansion valve.
Preferably, after the first predetermined time after unit starting, the first Current Temperatures of driven compressor plate are detected；Meter
Calculate the first difference between the first Current Temperatures and the set temperature of driven compressor plate；If the first difference is in preset range
It is interior, then keep the aperture of the first solenoid valve 4 constant.For example, the first predetermined time can be with 3 minutes.For example, being run in motor-driven startup
After 3 minutes, no matter freeze or heat, is detecting that the first Current Temperatures are X, and when -3≤Y-X≤3, the first solenoid valve 4
Aperture remains unchanged, wherein Y is the set temperature of driven compressor plate.
Preferably, if the first difference is less than preset range in refrigeration less than the lower limit of preset range or in heating
The upper limit, then by the aperture of the first solenoid valve 4 increase the first regulated quantity.Preferably, the first regulated quantity be 2 × | Y-X |, wherein Y
For set temperature, X is the first Current Temperatures.For example, in refrigerating operaton, if Y-X<- 3, then the aperture of the first solenoid valve 4 is Z/
2+2×|Y-X|；In heating operation, if 3<Y-X, then the aperture of the first solenoid valve 4 be Z/2+2 × | Y-X |.
Preferably, the aperture of the first solenoid valve 4 is being increased into the first regulated quantity and after the second predetermined time, is detecting pressure
Second Current Temperatures of contracting machine driving plate；It is second poor between the second Current Temperatures and the set temperature of driven compressor plate to calculate
Value；If the second difference is located in preset range, the aperture of the first solenoid valve 4 remains unchanged.Preferably, the second predetermined time
It is 30 seconds.Preferably, the second regulated quantity be 2 × | Y-Xi |, wherein Y is set temperature, and Xi is the second Current Temperatures, and i is detection
Number.For example, in refrigerating operaton, if -3≤Y-X1≤3, the aperture of the first solenoid valve 4 remain Z/2+2 × | Y-X |；
In heating operation, if -3≤Y-X1≤3, the aperture of the first solenoid valve 4 remain Z/2+2 × | Y-X |.
Preferably, if the second difference is less than preset range in refrigeration less than the lower limit of preset range or in heating
The upper limit, then continue the aperture of the first solenoid valve 4 increasing the second regulated quantity, so cyclically by the aperture of the first solenoid valve 4
Second regulated quantity incremented by successively, until the second difference is located in preset range.
For example, in refrigerating operaton, if Y-X1<- 3, then the aperture of the first solenoid valve 4 be Z/2+2 × | Y-X |+2 × | Y-
X1|；Then, second of detection temperature is carried out using the second predetermined time (such as 30 seconds), if Y-X2<- 3, then the first electromagnetism
The aperture of valve 4 be Z/2+2 × | Y-X |+2 × | Y-X1 |+2 × | Y-X2 |；And so on, i.e., the temperature of n-th is detected always
Whether region Y-Xn is between -3≤Y-Xn≤3, if not, the aperture of so the first solenoid valve 4 can be incremented by always：Z/2+
2×|Y-X|+2×|Y-X1|+2×|Y-X2|+…+2×|Y-Xn-1|。
For another example, in heating operation, if 3<Y-X1, then the aperture of the first solenoid valve 4 be Z/2+2 × | Y-X |+2 × | Y-X1
|；Then, second of detection temperature is carried out using the second predetermined time (such as 30 seconds), if 3<Y-X2, then first solenoid valve
Aperture be Z/2+2 × | Y-X |+2 × | Y-X1 |+2 × | Y-X2 |；And so on, i.e., n-th temperature region Y-Xn is detected always
Whether between -3≤Y-Xn≤3, if not, the aperture of so the first solenoid valve 4 can be incremented by always：Z/2+2×|Y-X|
+2×|Y-X1|+2×|Y-X2|+…+2×|Y-Xn-1|。
Preferably, if the first difference is less than preset range in refrigeration less than the upper limit of preset range or in heating
Lower limit, then by the aperture of the first solenoid valve 4 reduce third regulated quantity.Preferably, third regulated quantity be 2 × | Y-X |, wherein Y
For set temperature, X is the first Current Temperatures.For example, in refrigerating operaton, if 3<When Y-X, then the aperture of the first solenoid valve 4 is
Z/2-2×|Y-X|；In heating operation, if Y-X<When -3, then the aperture of the first solenoid valve 4 be Z/2-2 × | Y-X |.
Preferably, the aperture of the first solenoid valve 4 is being reduced into third regulated quantity and after the third predetermined time, is detecting pressure
The third Current Temperatures of contracting machine driving plate；The third calculated between third Current Temperatures and the set temperature of driven compressor plate is poor
Value；If third difference is located in preset range, the aperture of the first solenoid valve 4 remains unchanged.Preferably, the third predetermined time
It is 30 seconds.For example, in refrigerating operaton, if -3≤Y-X1≤3, the aperture of the first solenoid valve 4 remain Z/2-2 × | Y-X |；
In heating operation, if -3≤Y-X1≤3, the aperture of the first solenoid valve 4 remain Z/2-2 × | Y-X |.
Preferably, if third difference is less than preset range in refrigeration less than the upper limit of preset range or in heating
Lower limit, then continue the aperture of the first solenoid valve 4 reducing the 4th regulated quantity, so cyclically by the aperture of the first solenoid valve 4
Successively decrease successively the 4th regulated quantity, until third difference is located in preset range.Preferably, the 4th regulated quantity be 2 × | Y-Xj |,
In, Y is set temperature, and Xj is third Current Temperatures.
For example, in refrigerating operaton, if 3<Y-X1, then the aperture of the first solenoid valve 4 be Z/2-2 × | Y-X | -2 × | Y-X1
|；Then, second of detection temperature is carried out using the second predetermined time (such as 30 seconds), if 3<Y-X2, then the first solenoid valve 4
Aperture be Z/2-2 × | Y-X | -2 × | Y-X1 | -2 × | Y-X2 |；And so on, i.e., detect that n-th temperature Y-Xn is always
It is no between -3≤Y-Xn≤3, if not, the aperture of so the first solenoid valve 4 can be decremented to always：Z/2-2×|Y-X|-2
×|Y-X1|-2×|Y-X2|-…-2×|Y-Xn-1|。
For another example, in refrigerating operaton, if Y-X1<- 3, then the aperture of the first solenoid valve 4 be Z/2-2 × | Y-X | -2 × | Y-
X1|；Then, second of detection temperature is carried out using the second predetermined time (such as 30 seconds), if Y-X2<- 3, then the first electromagnetism
The aperture of valve 4 be Z/2-2 × | Y-X | -2 × | Y-X1 | -2 × | Y-X2 |；And so on, i.e., n-th humidity province is detected always
Whether domain Y-Xn is between -3≤Y-Xn≤3, if not, the aperture of so the first solenoid valve 4 can be decremented to always：Z/2-2
×|Y-X|-2×|Y-X1|-2×|Y-X2|-…-2×|Y-Xn-1|。
Certainly, it is above the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art
For, under the premise of not departing from general principles, several improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (11)
1. a kind of control method of air conditioner, the air conditioner includes driven compressor plate, refrigerant refrigerating module (3), the first electricity
The inlet of magnet valve (4), second solenoid valve (5) and controller, the side of the refrigerant refrigerating module (3) passes through first electricity
Magnet valve (4) is connect with connecting line, and the liquid outlet of the other side of the refrigerant refrigerating module (3) passes through the second solenoid valve
(5) it is connect with same section of connecting line, which is characterized in that the control method includes：
The aperture of first solenoid valve (4) and the second solenoid valve (5) is controlled according to the temperature of the driven compressor plate
The temperature of the driven compressor plate to be controlled within a predetermined range；
It is in unit starting, the second solenoid valve (5) is fully open, and first solenoid valve (4) is opened into half；
After the first predetermined time after unit starting, the first Current Temperatures of the driven compressor plate are detected；
Calculate the first difference between first Current Temperatures and the set temperature of the driven compressor plate；
If first difference is within a predetermined range, keep the aperture of first solenoid valve (4) constant.
2. the control method of air conditioner according to claim 1, which is characterized in that if first difference is in refrigeration
Less than the preset range lower limit or heating when less than the preset range the upper limit, then by first solenoid valve (4)
Aperture increase the first regulated quantity.
3. the control method of air conditioner according to claim 2, which is characterized in that
The aperture of first solenoid valve (4) is being increased into the first regulated quantity and after the second predetermined time, is detecting the pressure
Second Current Temperatures of contracting machine driving plate；
Calculate the second difference between second Current Temperatures and the set temperature of the driven compressor plate；
If second difference is located in the preset range, the aperture of first solenoid valve (4) remains unchanged.
4. the control method of air conditioner according to claim 3, which is characterized in that
If second difference is less than the preset range in refrigeration less than the lower limit of the preset range or in heating
The upper limit, then continue the aperture of first solenoid valve (4) increasing the second regulated quantity, so cyclically by first electromagnetism
Aperture second regulated quantity incremented by successively of valve (4), until second difference is located in the preset range.
5. the control method of air conditioner according to claim 2, which is characterized in that first regulated quantity be 2 × | Y-X
|, wherein Y is the set temperature, and X is first Current Temperatures.
6. the control method of air conditioner according to claim 4, which is characterized in that second regulated quantity be 2 × | Y-Xi
|, wherein Y is the set temperature, and Xi is second Current Temperatures.
7. the control method of air conditioner according to claim 1, which is characterized in that if first difference is in refrigeration
Less than the preset range the upper limit or heating when less than the preset range lower limit, then by first solenoid valve (4)
Aperture reduce third regulated quantity.
8. the control method of air conditioner according to claim 7, which is characterized in that
The aperture of first solenoid valve (4) is being reduced into third regulated quantity and after the third predetermined time, is detecting the pressure
The third Current Temperatures of contracting machine driving plate；
Calculate the third difference between the third Current Temperatures and the set temperature of the driven compressor plate；
If the third difference is located in the preset range, the aperture of first solenoid valve (4) remains unchanged.
9. the control method of air conditioner according to claim 8, which is characterized in that
If the third difference is less than the preset range in refrigeration less than the upper limit of the preset range or in heating
Lower limit, then continue the aperture of first solenoid valve (4) reducing the 4th regulated quantity, so cyclically by first electromagnetism
The aperture of valve (4) is successively decreased the 4th regulated quantity successively, until the third difference is located in the preset range.
10. the control method of air conditioner according to claim 7, which is characterized in that the third regulated quantity be 2 × | Y-X
|, wherein Y is the set temperature, and X is first Current Temperatures.
11. the control method of air conditioner according to claim 9, which is characterized in that the 4th regulated quantity be 2 × | Y-
Xj |, wherein Y is the set temperature, and Xj is the third Current Temperatures.
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106196425A (en) * | 2016-06-29 | 2016-12-07 | 珠海格力电器股份有限公司 | Power component condensation preventing method, device and system |
| CN107152821A (en) * | 2017-06-05 | 2017-09-12 | 珠海格力电器股份有限公司 | Condensation preventing device and method for refrigerant heat dissipation main control board and air conditioning unit |
| CN107270487A (en) * | 2017-07-10 | 2017-10-20 | 珠海格力电器股份有限公司 | Method, device and system for controlling heat dissipation of air conditioner driving board |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604170A (en) * | 2013-11-14 | 2014-02-26 | 广东美的制冷设备有限公司 | Heating and cooling air conditioner |
| CN103900222A (en) * | 2014-03-07 | 2014-07-02 | 广东美的暖通设备有限公司 | Method for cooling air conditioner electronic control frequency conversion module and air conditioner |
| JP2015072075A (en) * | 2013-10-01 | 2015-04-16 | ダイキン工業株式会社 | Outdoor unit for air conditioner |
| CN104676856A (en) * | 2015-02-28 | 2015-06-03 | 广东美的制冷设备有限公司 | Air conditioner and refrigeration control method thereof |
| CN105115065A (en) * | 2015-09-24 | 2015-12-02 | 芜湖美智空调设备有限公司 | Air conditioner control method |
-
2015
- 2015-12-15 CN CN201510940918.9A patent/CN105465975B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015072075A (en) * | 2013-10-01 | 2015-04-16 | ダイキン工業株式会社 | Outdoor unit for air conditioner |
| CN103604170A (en) * | 2013-11-14 | 2014-02-26 | 广东美的制冷设备有限公司 | Heating and cooling air conditioner |
| CN103900222A (en) * | 2014-03-07 | 2014-07-02 | 广东美的暖通设备有限公司 | Method for cooling air conditioner electronic control frequency conversion module and air conditioner |
| CN104676856A (en) * | 2015-02-28 | 2015-06-03 | 广东美的制冷设备有限公司 | Air conditioner and refrigeration control method thereof |
| CN105115065A (en) * | 2015-09-24 | 2015-12-02 | 芜湖美智空调设备有限公司 | Air conditioner control method |
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