CN106440594B - A kind of outdoor fan control method, system and air conditioner - Google Patents
A kind of outdoor fan control method, system and air conditioner Download PDFInfo
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- CN106440594B CN106440594B CN201611075236.7A CN201611075236A CN106440594B CN 106440594 B CN106440594 B CN 106440594B CN 201611075236 A CN201611075236 A CN 201611075236A CN 106440594 B CN106440594 B CN 106440594B
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- outdoor unit
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- wind file
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
-
- 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
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/04—Clogging
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/06—Damage
-
- 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
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/021—Inverters therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The present invention provides a kind of outdoor fan control method, system and air conditioner, it is related to air conditioner controlling technology field, using when outdoor unit coil temperature is compared with preset temperature, whether compressor parameter meets the first preset condition and the current wind file gear of outdoor unit blower compared with preset gear, to control outdoor unit blower wind file gear according to declining or increase by one grade of operation on the basis of current wind file gear at interval of default regulating cycle.Judge to avoid to control one grade of decline of outdoor unit blower wind file gear operation and individually judge the problem that outdoor unit environment temperature causes poor refrigerating efficiency, electrical source consumption big by the combination of outdoor unit coil temperature and compressor parameter and outdoor unit blower wind file gear；Meanwhile if increasing gear operation at this time when outdoor unit coil temperature is greater than the second preset temperature, advantageously reducing coil temperature, refrigeration effect is preferable.
Description
Technical field
The present invention relates to air conditioner controlling technology field, especially a kind of outdoor fan control method, system and air conditioner.
Background technique
With the development of air-conditioning technical, and the requirement to air-conditioning entirety efficiency is higher and higher, air conditioner outdoor machine blower with
The general grade of frequency-changeable compressor technology also use direct current generator more and more, to obtain refrigeration system more preferably efficiency and more smart
True operation control.Direct current generator then can carry out the design of multi gear position according to running situation, so that system is played more preferably
Effect and safer system, so how to carry out outdoor motor wind file control it is also more and more important.It leads currently on the market
The gear for carrying out air-conditioning draught fan according to outside temperature to be used is adjusted.
Using collecting chamber outside environment temperature, the adjusting control of outdoor fan wind file is carried out on the basis of this parameter.It is such
The air conditioner load situation considered to adjusting method certain procedures carries out Fan Regulation, but the operating load of actually air-conditioning is not only
It is only by ambient temperature effect, it is also related by client's actual demand setting, the distribution of room area heat.Therefore it can not be real-time
Different workload demands is coped with, refrigeration system is made to be in preferable operating status, when especially for low ambient temperature, room at this time
It is larger that interior load will lead to refrigeration demand difference, when the larger compressor operating frequency of load is high, if cannot be answered in time
To adjusting, cause poor refrigerating efficiency, electrical source consumption big, will lead to system safety problem what is more.
Summary of the invention
The present invention provides a kind of outdoor fan control method, system and air conditioner, to solve above by outdoor unit environment
The technical problem that the method for the outer machine wind file of temperature-controlled chamber causes poor refrigerating efficiency, electrical source consumption big.
In order to solve the above technical problem, the present invention provides a kind of outdoor fan control methods, comprising the following steps:
Step 1, outdoor unit coil temperature, the current wind file gear of outdoor unit blower and compressor parameter are acquired；
Step 2, when outdoor unit coil temperature is less than the first preset temperature, and compressor parameter meet the first preset condition or
When the current wind file gear of outdoor unit blower is higher than the first preset gear, the outdoor unit blower wind file gear is according at interval of default
Regulating cycle declines one grade of operation on the basis of current wind file gear；
When outdoor unit coil temperature is greater than the second preset temperature, the outdoor unit blower wind file gear is according at interval of pre-
If regulating cycle increases by one grade of operation on the basis of current wind file gear；If the outdoor unit blower wind file gear is highest
When gear, then it is not further added by；
Wherein, the first preset temperature is less than the second preset temperature.
The beneficial effects of the present invention are: passing through outdoor unit coil temperature and compressor parameter and the current wind file of outdoor unit blower
The combination judgement of gear runs to control the lower downshift of outdoor unit blower wind file gear, avoids and individually judges outdoor unit environment temperature
Spend the problem for causing poor refrigerating efficiency, electrical source consumption big；Meanwhile if when outdoor unit coil temperature is greater than the second preset temperature,
Increase gear operation at this time, advantageously reduces coil temperature, refrigeration effect is preferable.
Further, when the compressor parameter is compressor current, in the step 2, the first preset condition is compressor
Electric current is less than predetermined current, wherein the value range of the predetermined current is 0.3 to 0.4 times of compressor rated current.
Beneficial effect using above-mentioned further scheme is: when compressor current be less than predetermined current, show at compressor
It is not being influenced in underload working condition at this point, outdoor unit blower wind file gear declines one grade of operation according to default regulating cycle
Under conditions of refrigeration effect, energy-saving and environment-friendly effect is reached.
Further, when the compressor parameter is compressor frequency, in the step 2, the first preset condition is compressor
Frequency is less than predeterminated frequency, wherein the value range of the predeterminated frequency is 0.4 to 0.5 times of compressor rated frequency.
Beneficial effect using above-mentioned further scheme is: when compressor frequency be less than predeterminated frequency, show at compressor
It is not being influenced in underload working condition at this point, outdoor unit blower wind file gear declines one grade of operation according to default regulating cycle
Under conditions of refrigeration effect, energy-saving and environment-friendly effect is reached.
Further, the value range of first preset temperature is 23 DEG C to 30 DEG C.
Beneficial effect using above-mentioned further scheme is: setting the first preset temperature in the coil temperature of outdoor unit to
23 DEG C to 30 DEG C, efficiency and the energy consumption for controlling fan of outdoor unit of air conditioner are lower.
Further, the value range of second preset temperature is 35 DEG C to 40 DEG C.
Beneficial effect using above-mentioned further scheme is: setting the second preset temperature in the coil temperature of outdoor unit to
35 DEG C to 40 DEG C, efficiency and the energy consumption for controlling fan of outdoor unit of air conditioner are lower.
Further, the default regulating cycle is 15S to 30S.
Beneficial effect using above-mentioned further scheme is: for the stabilization of system, the regulating cycle of usual blower wind file
Too small to be easy to appear fluctuation, the period is too long to will lead to lags in response, is 15S to 30S by default regulating cycle, is not influencing system
Steadiness under, adjust more efficiently.
Further, the value range of first preset gear is 0.4 to 0.6 times of outdoor unit blower maximum wind file.
Using the beneficial effect of above-mentioned further scheme is: by the value range of the first preset gear for outdoor unit blower most
0.4 to 0.6 times of big wind file, efficiency and the energy consumption for controlling fan of outdoor unit of air conditioner are lower.
The present invention also provides a kind of outdoor fan control systems, including acquisition module and control module；
The acquisition module, for acquiring the current wind file gear of outdoor unit coil temperature, outdoor unit blower and compressor ginseng
Number；
The control module, for when outdoor unit coil temperature is less than the first preset temperature, and compressor parameter meets the
When one preset condition or the current wind file gear of outdoor unit blower are higher than the first preset gear, the outdoor unit blower wind file gear root
According to declining one grade of operation on the basis of current wind file gear at interval of default regulating cycle；
When outdoor unit coil temperature is greater than the second preset temperature, the outdoor unit blower wind file gear is according at interval of pre-
If regulating cycle increases by one grade of operation on the basis of current wind file gear；If the outdoor unit blower wind file gear is highest
When gear, then it is not further added by；
Wherein, the first preset temperature is less than the second preset temperature.
Control system beneficial effect of the invention is: control module passes through outdoor unit coil temperature and compressor parameter and room
The combination judgement of the outer current wind file gear of machine blower runs to control the lower downshift of outdoor unit blower wind file gear, avoids individually
Judge the problem that outdoor unit environment temperature causes poor refrigerating efficiency, electrical source consumption big；Meanwhile if outdoor unit coil temperature is greater than
When the second preset temperature, increases gear operation at this time, advantageously reduce coil temperature, refrigeration effect is preferable.
Further, when the compressor parameter is compressor current, in the control module, the first preset condition is compression
Electromechanics stream is less than predetermined current, wherein the value range of the predetermined current is 0.3 to 0.4 times of compressor rated current；
When the compressor parameter is compressor frequency, in the step 2, the first preset condition is less than for compressor frequency
Predeterminated frequency, wherein the value range of the predeterminated frequency is 0.4 to 0.5 times of compressor rated frequency.
Beneficial effect using above-mentioned further scheme is: when compressor current is less than predetermined current and compressor frequency is small
In predeterminated frequency, show that compressor is in underload working condition, at this point, outdoor unit blower wind file gear adjusts week according to default
Phase declines one grade of operation, under conditions of not influencing refrigeration effect, has reached energy-saving and environment-friendly effect.
Further, the value range of first preset temperature is 23 DEG C to 30 DEG C, the value of second preset temperature
Range is 35 DEG C to 40 DEG C, and the default regulating cycle is 15S to 30S, and the value range of first preset gear is outdoor
0.4 to 0.6 times of machine blower maximum wind file.
Beneficial effect using above-mentioned further scheme is: by the first preset temperature, second in the coil temperature of outdoor unit
Preset temperature and the first preset gear are set as above range, and efficiency and the energy consumption for controlling fan of outdoor unit of air conditioner are lower；Together
When, it is 15S to 30S by default regulating cycle, under the steadiness for not influencing system, adjusts more efficiently,.
The present invention also provides a kind of air conditioners, including above-mentioned outdoor fan control system.
Air conditioner beneficial effect of the invention is: control system passes through outdoor unit coil temperature and compressor parameter and outdoor
The combination judgement of the current wind file gear of machine blower runs to control the lower downshift of outdoor unit blower wind file gear, avoids and individually sentences
The problem that disconnected outdoor unit environment temperature causes poor refrigerating efficiency, electrical source consumption big；Meanwhile if outdoor unit coil temperature is greater than the
When two preset temperatures, increases gear operation at this time, advantageously reduce coil temperature, refrigeration effect is preferable.
Detailed description of the invention
Fig. 1 is outdoor fan control method flow chart provided in an embodiment of the present invention；
Fig. 2 is outdoor fan Control system architecture block diagram provided in an embodiment of the present invention；
Fig. 3 is air conditioner structure figure provided in an embodiment of the present invention.
Specific embodiment
The present invention is further illustrated with embodiment with reference to the accompanying drawing.
Outdoor fan control method flow chart provided in an embodiment of the present invention is referring to Fig. 1, a kind of outdoor fan control method,
The following steps are included:
Step 1, outdoor unit coil temperature, the current wind file gear of outdoor unit blower and compressor parameter are acquired；
Step 2, when outdoor unit coil temperature is less than the first preset temperature, and compressor parameter meet the first preset condition or
When the current wind file gear of outdoor unit blower is higher than the first preset gear, the outdoor unit blower wind file gear is according at interval of default
Regulating cycle declines one grade of operation on the basis of current wind file gear；
When outdoor unit coil temperature is greater than the second preset temperature, the outdoor unit blower wind file gear is according at interval of pre-
If regulating cycle increases by one grade of operation on the basis of current wind file gear；If the outdoor unit blower wind file gear is highest
When gear, then it is not further added by；
Wherein, the first preset temperature is less than the second preset temperature.
Judged by the combination of outdoor unit coil temperature and compressor parameter and the current wind file gear of outdoor unit blower to control
The lower downshift of outdoor unit blower wind file gear processed is run, avoid individually judge outdoor unit environment temperature cause poor refrigerating efficiency,
The big problem of electrical source consumption；Meanwhile if increasing gear operation at this time when outdoor unit coil temperature is greater than the second preset temperature,
Coil temperature is advantageously reduced, refrigeration effect is preferable.
Wherein, compressor parameter includes compressor current or compressor frequency；In the present embodiment, when compressor parameter is
Compressor current, in step 2, the first preset condition is that compressor current is less than predetermined current, wherein the value model of predetermined current
Enclose is 0.3 to 0.4 times of compressor rated current.Preferably, the value range of predetermined current is compressor rated current
0.35 times.When compressor current be less than predetermined current, show that compressor is in underload working condition, at this point, outdoor unit blower
Wind file gear declines one grade of operation according to default regulating cycle, under conditions of not influencing refrigeration effect, has reached energy conservation and environmental protection
Effect.
In the present embodiment, in step 2, the first preset condition is that compressor frequency is less than predeterminated frequency, wherein default frequency
The value range of rate is 0.4 to 0.5 times of compressor rated frequency.Preferably, the value range of predeterminated frequency is compressor volume
0.45 times for determining frequency.When compressor frequency be less than predeterminated frequency, show that compressor is in underload working condition, at this point, room
Outer machine blower wind file gear declines one grade of operation according to default regulating cycle, under conditions of not influencing refrigeration effect, reaches
Energy-saving and environment-friendly effect.
In the present embodiment, the value range of the first preset temperature is 23 DEG C to 30 DEG C；Preferably, first preset temperature
Value range is 25 DEG C to 28 DEG C, such as 26 DEG C.The value range of second preset temperature is 35 DEG C to 40 DEG C；Preferably, second
The value range of preset temperature is 36 DEG C to 30 DEG C, such as 28 DEG C.Default regulating cycle is 15S to 30S；Preferably, it presets and adjusts
The section period is 19S to 24S, such as 22S.The value range of first preset gear is the 0.4 to 0.6 of outdoor unit blower maximum wind file
Times；Preferably, the value range of the first preset gear is 0.5 times of outdoor unit blower maximum wind file.
In the present embodiment, 23 DEG C to 30 DEG C are set by the first preset temperature in the coil temperature of outdoor unit, control
The efficiency and energy consumption of fan of outdoor unit of air conditioner are lower.35 DEG C to 40 are set by the second preset temperature in the coil temperature of outdoor unit
DEG C, efficiency and the energy consumption for controlling fan of outdoor unit of air conditioner are lower.For the stabilization of system, the regulating cycle of usual blower wind file
Too small to be easy to appear fluctuation, the period is too long to will lead to lags in response, is 15S to 30S by default regulating cycle, is not influencing system
Steadiness under, adjust more efficiently.It is the 0.4 of outdoor unit blower maximum wind file by the value range of the first preset gear
To 0.6 times, efficiency and the energy consumption for controlling fan of outdoor unit of air conditioner are lower.
In a particular embodiment, the first preset temperature is 28 DEG C, and the second preset temperature is 37 DEG C, and the first preset gear is 5
Shelves, predetermined current 4.5A, predeterminated frequency 45Hz, presetting regulating cycle is 20S.(the machine total 1-10 grades of wind file from small to large,
Compressor rated current 10A in this type, compressor rated frequency 100HZ in this type)
Wherein in the first specific embodiment, collected outdoor unit coil temperature is 24 DEG C, outdoor unit blower wind file is 5
Shelves, compressor current 4A.It less than the first preset temperature is 28 DEG C since outdoor unit coil temperature is 24 DEG C, and compressor current
Being less than predetermined current for 4A is 5A, so, outdoor unit blower wind file gear declines one grade of operation, i.e. room according to default regulating cycle
5 grades of one grade of operations of drop after away from booting 20S are adjusted to 4 grades of operations by outer machine blower wind file.
Wherein in the second specific embodiment, collected outdoor unit coil temperature is 24 DEG C, outdoor unit blower wind file is 5
Shelves, compressor frequency 40HZ.It less than the first preset temperature is 28 DEG C since outdoor unit coil temperature is 24 DEG C, and compressor frequency
Rate be 40HZ be less than predeterminated frequency be 45HZ, so, outdoor unit blower wind file gear according to default regulating cycle decline one grade transport
5 grades of one grade of operations of drop after away from booting 20S are adjusted to 4 grades of operations by row, i.e. outdoor unit blower wind file.
Wherein in third specific embodiment, collected outdoor unit coil temperature is 24 DEG C, outdoor unit blower wind file is 8
Shelves.It less than the first preset temperature is 28 DEG C since outdoor unit coil temperature is 24 DEG C, and outdoor unit wind file is 8 grades and is higher than default wind
5 grades of shelves, so, outdoor unit blower wind file gear is run for one grade according to the decline of default regulating cycle, i.e. outdoor unit blower wind file is by 8
Shelves one grade of operation of drop after away from booting 20S, that is, be adjusted to 7 grades of operations.
Wherein in the 4th specific embodiment, collected outdoor unit coil temperature is 42 DEG C, outdoor unit blower wind file is 6
Shelves.Due to outdoor unit coil temperature be 42 DEG C be higher than the second preset temperature be 37 DEG C, and outdoor unit operation wind file be not most high-grade
10 grades, so, outdoor unit blower wind file gear rises one grade of operation according to default regulating cycle, i.e. outdoor unit blower wind file is by 8
Shelves one grade of operation of drop after away from booting 20S, that is, be adjusted to 9 grades of operations.
Outdoor fan Control system architecture block diagram provided in an embodiment of the present invention referring to fig. 2, a kind of outdoor fan control system
System, including acquisition module and control module；
The acquisition module, for acquiring the current wind file gear of outdoor unit coil temperature, outdoor unit blower and compressor ginseng
Number；
The control module, for when outdoor unit coil temperature is less than the first preset temperature, and compressor parameter meets the
When one preset condition or the current wind file gear of outdoor unit blower are higher than the first preset gear, the outdoor unit blower wind file gear root
According to declining one grade of operation on the basis of current wind file gear at interval of default regulating cycle；
When outdoor unit coil temperature is greater than the second preset temperature, the outdoor unit blower wind file gear is according at interval of pre-
If regulating cycle increases by one grade of operation on the basis of current wind file gear；If the outdoor unit blower wind file gear is highest
When gear, then it is not further added by；
Wherein, the first preset temperature is less than the second preset temperature.
Control module passes through the combination of outdoor unit coil temperature and compressor parameter and the current wind file gear of outdoor unit blower
Judge to avoid to control the operation of the lower downshift of outdoor unit blower wind file gear and individually judge that outdoor unit environment temperature causes to freeze
The problem that effect is poor, electrical source consumption is big；Meanwhile if increasing shelves at this time when outdoor unit coil temperature is greater than the second preset temperature
Position operation, advantageously reduces coil temperature, refrigeration effect is preferable.
Wherein, when compressor parameter is compressor current, in control module, the first preset condition is less than for compressor current
Predetermined current, wherein the value range of predetermined current is 0.3 to 0.4 times of compressor rated current；Preferably, predetermined current
Value range be 0.35 times of compressor rated current.
When compressor parameter is compressor frequency, in control module, it is default that the first preset condition is that compressor frequency is less than
Frequency, wherein the value range of predeterminated frequency is 0.4 to 0.5 times of compressor rated frequency；Preferably, predeterminated frequency takes
It is worth 0.45 times that range is compressor rated frequency.
It is less than predetermined period when compressor current is less than predetermined current and compressor cycle, shows that compressor is in underload
Working condition is not influencing refrigeration effect at this point, outdoor unit blower wind file gear declines one grade of operation according to default regulating cycle
Under conditions of, reach energy-saving and environment-friendly effect.
Wherein, the value range of the first preset temperature is 23 DEG C to 30 DEG C, it is preferable that the value range of the first preset temperature
It is 25 DEG C to 28 DEG C, such as 26 DEG C.The value range of second preset temperature is 35 DEG C to 40 DEG C, it is preferable that the second preset temperature
Value range be 36 DEG C to 38 DEG C, such as 37 DEG C.Default regulating cycle is 15S to 30S, it is preferable that default regulating cycle is
19S to 24S, such as 22S.The value range of first preset gear is 0.4 to 0.6 times of outdoor unit blower maximum wind file, preferably
Ground, the value range of the first preset gear are 0.5 times of outdoor unit blower maximum wind file.
Set above-mentioned for the first preset temperature, the second preset temperature and the first preset gear in the coil temperature of outdoor unit
Range, efficiency and the energy consumption for controlling fan of outdoor unit of air conditioner are lower；Meanwhile by default regulating cycle be 15S to 30S, not
Under the steadiness of influence system, adjust more efficiently.
Air conditioner structure figure provided in an embodiment of the present invention is referring to Fig. 3, a kind of air conditioner, including above-mentioned outdoor fan control
System processed.
Control system passes through the combination of outdoor unit coil temperature and compressor parameter and the current wind file gear of outdoor unit blower
Judge to avoid to control the operation of the lower downshift of outdoor unit blower wind file gear and individually judge that outdoor unit environment temperature causes to freeze
The problem that effect is poor, electrical source consumption is big；Meanwhile if increasing shelves at this time when outdoor unit coil temperature is greater than the second preset temperature
Position operation, advantageously reduces coil temperature, refrigeration effect is preferable.
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple "
It is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Outdoor fan control method, system and air conditioner of the present invention are described in detail above, it is used herein
A specific example illustrates the principle and implementation of the invention.The above embodiments are only used to help understand originally
The core concept of invention；At the same time, for those skilled in the art, according to the thought of the present invention, in specific embodiment
And there will be changes in application range, to sum up, the contents of this specification are not to be construed as limiting the invention.
Claims (9)
1. a kind of outdoor fan control method, which comprises the following steps:
Step 1, outdoor unit coil temperature, the current wind file gear of outdoor unit blower and compressor parameter are acquired；
Step 2, when outdoor unit coil temperature is less than the first preset temperature, and compressor parameter meets the first preset condition, institute
Outdoor unit blower wind file gear is stated according to declining one grade of operation on the basis of current wind file gear at interval of default regulating cycle；
When outdoor unit coil temperature is greater than the second preset temperature, the outdoor unit blower wind file gear is according at interval of default tune
The section period increases by one grade of operation on the basis of current wind file gear；If the outdoor unit blower wind file gear is highest gear
When, then it is not further added by；
Wherein, the first preset temperature is less than the second preset temperature；
When the compressor parameter is compressor current, in the step 2, it is default that the first preset condition is that compressor current is less than
Electric current, wherein the value range of the predetermined current is 0.3 to 0.4 times of compressor rated current.
2. outdoor fan control method according to claim 1, which is characterized in that when the compressor parameter is compressor
Frequency, in the step 2, the first preset condition is that compressor frequency is less than predeterminated frequency, wherein the value of the predeterminated frequency
Range is 0.4 to 0.5 times of compressor rated frequency.
3. outdoor fan control method according to claim 1 or 2, which is characterized in that first preset temperature takes
Being worth range is 23 DEG C to 30 DEG C.
4. outdoor fan control method according to claim 1 or 2, which is characterized in that second preset temperature takes
Being worth range is 35 DEG C to 40 DEG C.
5. outdoor fan control method according to claim 1 or 2, which is characterized in that the default regulating cycle is 15S
To 30S.
6. outdoor fan control method according to claim 1 or 2, which is characterized in that first preset gear takes
It is worth 0.4 to 0.6 times that range is outdoor unit blower maximum wind file.
7. a kind of outdoor fan control system, which is characterized in that including acquisition module and control module；
The acquisition module, for acquiring the current wind file gear of outdoor unit coil temperature, outdoor unit blower and compressor parameter；
The control module, for working as outdoor unit coil temperature less than the first preset temperature, and compressor parameter meets first in advance
If when condition, the outdoor unit blower wind file gear according at interval of default regulating cycle on the basis of current wind file gear under
One grade of operation is dropped；
When outdoor unit coil temperature is greater than the second preset temperature, the outdoor unit blower wind file gear is according at interval of default tune
The section period increases by one grade of operation on the basis of current wind file gear；If the outdoor unit blower wind file gear is highest gear
When, then it is not further added by；
Wherein, the first preset temperature is less than the second preset temperature；
When the compressor parameter is compressor current, in the control module, the first preset condition is less than for compressor current
Predetermined current, wherein the value range of the predetermined current is 0.3 to 0.4 times of compressor rated current；
When the compressor parameter is compressor frequency, the first preset condition is that compressor frequency is less than predeterminated frequency, wherein institute
The value range for stating predeterminated frequency is 0.4 to 0.5 times of compressor rated frequency.
8. outdoor fan control system according to claim 7, which is characterized in that the value model of first preset temperature
Enclosing is 23 DEG C to 30 DEG C, and the value range of second preset temperature is 35 DEG C to 40 DEG C, the default regulating cycle be 15S extremely
30S, the value range of first preset gear are 0.4 to 0.6 times of outdoor unit blower maximum wind file.
9. a kind of air conditioner, which is characterized in that including outdoor fan control system described in claim 7 or 8.
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| CN107062542B (en) * | 2017-04-07 | 2019-08-30 | 广东美的暖通设备有限公司 | Air-conditioning system and its control method of outdoor fan, device |
| CN107339777B (en) * | 2017-07-10 | 2023-09-12 | 广东美的制冷设备有限公司 | Wind speed gear control method, air conditioner control switching box and air conditioner |
| CN109341006B (en) * | 2017-08-01 | 2021-03-02 | 奥克斯空调股份有限公司 | Variable frequency air conditioner control device and control method |
| CN110053530B (en) * | 2019-04-23 | 2020-07-28 | 江苏理工学院 | Seat automation ventilation system and control method thereof |
| CN111457540B (en) * | 2020-04-16 | 2021-09-24 | 宁波奥克斯电气股份有限公司 | Outdoor fan control method and device and air conditioner |
| CN111852926B (en) * | 2020-07-22 | 2022-04-08 | 新风光电子科技股份有限公司 | Energy-saving fan control system with temperature and humidity detection function and control method |
| CN112594884B (en) * | 2020-12-10 | 2022-02-18 | 珠海格力电器股份有限公司 | Air conditioning unit and condenser fan control method and device thereof and storage medium |
| CN114151931A (en) * | 2021-10-28 | 2022-03-08 | 浙江中广电器股份有限公司 | Control system for solving tripping problem of built-in protector of compressor during air conditioner refrigeration |
| CN114216218B (en) * | 2021-12-02 | 2022-12-27 | 珠海格力电器股份有限公司 | Power reduction control method of air conditioner and air conditioner |
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