CN106440594A - Outdoor fan control method and system and air conditioner - Google Patents
Outdoor fan control method and system and air conditioner Download PDFInfo
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- CN106440594A CN106440594A CN201611075236.7A CN201611075236A CN106440594A CN 106440594 A CN106440594 A CN 106440594A CN 201611075236 A CN201611075236 A CN 201611075236A CN 106440594 A CN106440594 A CN 106440594A
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- premises station
- compressor
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- wind shelves
- current
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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
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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)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides an outdoor fan control method and system and an air conditioner and relates to the technical field of air conditioner control. The coil temperature of an outdoor unit is compared with preset temperature, whether compressor parameters meet first preset conditions or not is judged, and the current gear of a wind shield of an outdoor unit fan is compared with a preset gear, so that the gear of the wind shield of the outdoor unit fan is controlled to be dropped or raised by one gear for operation on the basis of the current gear of the wind shield at the interval of a preset regulation period. Through combined judgment of the coil temperature of the outdoor unit, the compressor parameters and the gear of the wind shield of the outdoor unit fan, the gear of the wind shield of the outdoor unit fan is controlled to be dropped by one gear for operation, and therefore the problems of a poor refrigeration effect and high power consumption caused by separate judgment of the environment temperature of the outdoor unit are avoided; meanwhile, if the coil temperature of the outdoor unit is higher than second preset temperature, the coil temperature can be easily lowered if the gear is raised for operation at the moment, and the refrigeration effect is good.
Description
Technical field
The present invention relates to air conditioner controlling technology field, particularly a kind of outdoor fan control method, system and air-conditioner.
Background technology
With the development of air-conditioning technical, and the requirement more and more higher to air-conditioning entirety efficiency, air conditioner outdoor machine blower fan with
The general level frequency-changeable compressor technology is also increasingly employed direct current generator, to obtain refrigeration system more preferably efficiency and more smart
True operation controls.Direct current generator then can carry out the design of many gears according to running situation, so that system has been given play to more preferably
Effect and safer system, so how to carry out outdoor motor wind shelves control also more and more important.Lead in the market
To be adopted is adjusted according to the gear that outside temperature carries out air-conditioning draught fan.
Using collecting chamber outside environment temperature, the regulation being carried out outdoor fan wind shelves on the basis of this parameter is controlled.This kind of
The air conditioner load situation that control method certain procedures ground considers, carries out Fan Regulation, but actually air-conditioning operating load not only
Only it is affected by ambient temperature effect, it is relevant that it is also subject to client's actual demand setting, room area heat to be distributed.Therefore cannot be real-time
Tackle different workload demands, make refrigeration system be in preferably running status, during especially for low ambient temperature, now room
Interior load can lead to refrigeration demand difference larger, when the larger compressor operating frequency of load is high, should if can not carry out in time
To regulation, lead to poor refrigerating efficiency, electrical source consumption big, system safety problem can be led to what is more.
Content of the invention
The present invention provides a kind of outdoor fan control method, system and air-conditioner, to solve above by off-premises station environment
The method of temperature control outdoor machine wind shelves leads to the big technical problem of poor refrigerating efficiency, electrical source consumption.
In order to solve above-mentioned technical problem, the present invention provides a kind of outdoor fan control method, comprises the following steps：
Step 1, collection off-premises station coil temperature, off-premises station blower fan current wind shelves gear and compressor parameter；
Step 2, when off-premises station coil temperature be less than the first preset temperature, and compressor parameter meet first pre-conditioned or
When off-premises station blower fan current wind shelves gear is higher than the first preset gear, described off-premises station blower fan wind shelves gear is according at interval of default
Regulating cycle declines one grade of operation on the basis of current wind shelves gear；
When off-premises station coil temperature is more than the second preset temperature, described off-premises station blower fan wind shelves gear is according at interval of pre-
If regulating cycle increases by one grade of operation on the basis of current wind shelves gear；If described off-premises station blower fan wind shelves gear is highest
During gear, then it is not further added by；
Wherein, the first preset temperature is less than the second preset temperature.
The invention has the beneficial effects as follows：By off-premises station coil temperature and compressor parameter and off-premises station blower fan current wind shelves
The combination of gear judges to control the lower downshift of off-premises station blower fan wind shelves gear to run, it is to avoid independent judgement off-premises station environment temperature
Degree causes the big problem of poor refrigerating efficiency, electrical source consumption；Meanwhile, if off-premises station coil temperature is more than the second preset temperature,
Now increase gear to run, advantageously reduce coil temperature, refrigeration is preferable.
Further, when described compressor parameter be compressor current, in described step 2, first pre-conditioned for compressor
Electric current is less than predetermined current, and wherein, the span of described predetermined current is 0.3 to 0.4 times of compressor rated current.
Beneficial effect using above-mentioned further scheme is：When compressor current is less than predetermined current, show at compressor
In underload working condition, now, off-premises station blower fan wind shelves gear declines one grade of operation according to default regulating cycle, is not affecting
Under conditions of refrigeration, reach the effect of energy-conserving and environment-protective.
Further, when described compressor parameter be compressor frequency, in described step 2, first pre-conditioned for compressor
Frequency is less than predeterminated frequency, and wherein, the span of described predeterminated frequency is 0.4 to 0.5 times of compressor rated frequency.
Beneficial effect using above-mentioned further scheme is：When compressor frequency is less than predeterminated frequency, show at compressor
In underload working condition, now, off-premises station blower fan wind shelves gear declines one grade of operation according to default regulating cycle, is not affecting
Under conditions of refrigeration, reach the effect of energy-conserving and environment-protective.
Further, the span of described first preset temperature is 23 DEG C to 30 DEG C.
Beneficial effect using above-mentioned further scheme is：First preset temperature in the coil temperature of off-premises station is set to
23 DEG C to 30 DEG C, it controls the efficiency of fan of outdoor unit of air conditioner and energy consumption relatively low.
Further, the span of described second preset temperature is 35 DEG C to 40 DEG C.
Beneficial effect using above-mentioned further scheme is：Second preset temperature in the coil temperature of off-premises station is set to
35 DEG C to 40 DEG C, it controls the efficiency of fan of outdoor unit of air conditioner and energy consumption relatively low.
Further, described default regulating cycle is 15S to 30S.
Beneficial effect using above-mentioned further scheme is：For stablizing of system, the regulating cycle of usual blower fan wind shelves
Too little easy fluctuation occurs, the cycle is oversize to lead to response lag, default regulating cycle is 15S to 30S, is not affecting system
Steadiness under, adjust more efficiently.
Further, the span of described first preset gear is 0.4 to 0.6 times of off-premises station blower fan strong wind shelves.
Beneficial effect using above-mentioned further scheme is：By the span of the first preset gear for off-premises station blower fan
0.4 to 0.6 times of strong wind shelves, it controls the efficiency of fan of outdoor unit of air conditioner and energy consumption relatively low.
The present invention also provides a kind of outdoor fan control system, including acquisition module and control module；
Described acquisition module, for gathering off-premises station coil temperature, off-premises station blower fan current wind shelves gear and compressor ginseng
Number；
Described control module, for being less than the first preset temperature when off-premises station coil temperature, and compressor parameter meets the
When one pre-conditioned or off-premises station blower fan current wind shelves gear is higher than the first preset gear, described off-premises station blower fan wind shelves gear root
Decline one grade of operation according at interval of default regulating cycle on the basis of current wind shelves gear；
When off-premises station coil temperature is more than the second preset temperature, described off-premises station blower fan wind shelves gear is according at interval of pre-
If regulating cycle increases by one grade of operation on the basis of current wind shelves gear；If described off-premises station blower fan wind shelves gear is highest
During gear, then it is not further added by；
Wherein, the first preset temperature is less than the second preset temperature.
The control system beneficial effect of the present invention is：Control module passes through off-premises station coil temperature and compressor parameter and room
The combination of the current wind shelves gear of outer machine blower fan judges to control the lower downshift of off-premises station blower fan wind shelves gear to run, it is to avoid individually
Judge that off-premises station ambient temperature causes the big problem of poor refrigerating efficiency, electrical source consumption；Meanwhile, if off-premises station coil temperature is more than
During the second preset temperature, now increase gear and run, advantageously reduce coil temperature, refrigeration is preferable.
Further, when described compressor parameter be compressor current, in described control module, first pre-conditioned for compression
Dynamo-electric stream is less than predetermined current, and wherein, the span of described predetermined current is 0.3 to 0.4 times of compressor rated current；
When described compressor parameter is compressor frequency, in described step 2, first pre-conditioned is less than for compressor frequency
Predeterminated frequency, wherein, the span of described 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 little less than predetermined current and compressor frequency
In predeterminated frequency, show that compressor is in underload working condition, now, off-premises station blower fan wind shelves gear adjusts week according to default
Phase declines one grade of operation, under conditions of not affecting refrigeration, has reached the effect of energy-conserving and environment-protective.
Further, the span of described first preset temperature is 23 DEG C to 30 DEG C, the value of described second preset temperature
Scope is 35 DEG C to 40 DEG C, and described default regulating cycle is 15S to 30S, and the span of described first preset gear is outdoor
0.4 to 0.6 times of machine blower fan strong wind shelves.
Beneficial effect using above-mentioned further scheme is：By the first preset temperature in the coil temperature of off-premises station, second
Preset temperature and the first preset gear are set to above range, and it controls the efficiency of fan of outdoor unit of air conditioner and energy consumption relatively low；With
When, default regulating cycle is 15S to 30S, under the steadiness not affecting system, adjusts more efficiently,.
The present invention also provides a kind of air-conditioner, including above-mentioned outdoor fan control system.
The air-conditioner beneficial effect of the present invention is：Control system passes through off-premises station coil temperature and compressor parameter and outdoor
The combination of machine blower fan current wind shelves gear judges to control the lower downshift of off-premises station blower fan wind shelves gear to run, it is to avoid individually sentence
Disconnected off-premises station ambient temperature causes the big problem of poor refrigerating efficiency, electrical source consumption；Meanwhile, if off-premises station coil temperature is more than the
During two preset temperatures, now increase gear and run, advantageously reduce coil temperature, refrigeration is preferable.
Brief description
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 below in conjunction with the accompanying drawings.
Outdoor fan control method flow chart provided in an embodiment of the present invention referring to Fig. 1, a kind of outdoor fan control method,
Comprise the following steps：
Step 1, collection off-premises station coil temperature, off-premises station blower fan current wind shelves gear and compressor parameter；
Step 2, when off-premises station coil temperature be less than the first preset temperature, and compressor parameter meet first pre-conditioned or
When off-premises station blower fan current wind shelves gear is higher than the first preset gear, described off-premises station blower fan wind shelves gear is according at interval of default
Regulating cycle declines one grade of operation on the basis of current wind shelves gear；
When off-premises station coil temperature is more than the second preset temperature, described off-premises station blower fan wind shelves gear is according at interval of pre-
If regulating cycle increases by one grade of operation on the basis of current wind shelves gear；If described off-premises station blower fan wind shelves gear is highest
During gear, then it is not further added by；
Wherein, the first preset temperature is less than the second preset temperature.
Judge to control with compressor parameter and combining of off-premises station blower fan current wind shelves gear by off-premises station coil temperature
The lower downshift of off-premises station blower fan wind shelves gear processed is run, it is to avoid independent judgement off-premises station ambient temperature cause poor refrigerating efficiency,
The big problem of electrical source consumption；Meanwhile, if off-premises station coil temperature is more than the second preset temperature, now increase gear and run,
Advantageously reduce coil temperature, refrigeration is preferable.
Wherein, compressor parameter includes compressor current or compressor frequency；In the present embodiment, when compressor parameter is
Compressor current, in step 2, first pre-conditioned for compressor current be less than predetermined current, wherein, the value model of predetermined current
Enclose 0.3 to 0.4 times for compressor rated current.Preferably, the span of predetermined current is compressor rated current
0.35 times.When compressor current is less than predetermined current, show that compressor is in underload working condition, now, off-premises station blower fan
Wind shelves gear declines one grade of operation according to default regulating cycle, under conditions of not affecting refrigeration, has reached energy-conserving and environment-protective
Effect.
In the present embodiment, in step 2, first pre-conditioned for compressor frequency be less than predeterminated frequency, wherein, preset frequency
The span of rate is 0.4 to 0.5 times of compressor rated frequency.Preferably, the span of predeterminated frequency is compressor volume
Determine frequency 0.45 times.When compressor frequency is less than predeterminated frequency, show that compressor is in underload working condition, now, room
Outer machine blower fan wind shelves gear declines one grade of operation according to default regulating cycle, under conditions of not affecting refrigeration, reaches
The effect of energy-conserving and environment-protective.
In the present embodiment, the span of the first preset temperature is 23 DEG C to 30 DEG C；Preferably, first preset temperature
Span is 25 DEG C to 28 DEG C, such as 26 DEG C.The span of the second preset temperature is 35 DEG C to 40 DEG C；Preferably, second
The span of preset temperature is 36 DEG C to 30 DEG C, such as 28 DEG C.Default regulating cycle is 15S to 30S；Preferably, preset and adjust
The section cycle is 19S to 24S, such as 22S.The span of the first preset gear is the 0.4 to 0.6 of off-premises station blower fan strong wind shelves
Times；Preferably, the span of the first preset gear is 0.5 times of off-premises station blower fan strong wind shelves.
In the present embodiment, the first preset temperature in the coil temperature of off-premises station is set to 23 DEG C to 30 DEG C, its control
The efficiency of fan of outdoor unit of air conditioner and energy consumption are relatively low.Second preset temperature in the coil temperature of off-premises station is set to 35 DEG C to 40
DEG C, it controls the efficiency of fan of outdoor unit of air conditioner and energy consumption relatively low.For stablizing of system, the regulating cycle of usual blower fan wind shelves
Too little easy fluctuation occurs, the cycle is oversize to lead to response lag, default regulating cycle is 15S to 30S, is not affecting system
Steadiness under, adjust more efficiently.The span of the first preset gear is the 0.4 of off-premises station blower fan strong wind shelves
To 0.6 times, it controls the efficiency of fan of outdoor unit of air conditioner and energy consumption relatively low.
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 is 4.5A, and predeterminated frequency is 45Hz, and default regulating cycle is 20S.(the machine common 1-10 shelves wind shelves from small to large,
Compressor rated frequency 100HZ in compressor rated current 10A, this type in this type)
In wherein first specific embodiment, the off-premises station coil temperature collecting is 24 DEG C, off-premises station blower fan wind shelves are 5
Shelves, compressor current are 4A.It is less than the first preset temperature because off-premises station coil temperature is 24 DEG C for 28 DEG C, and compressor current
Being less than predetermined current for 4A is 5A, so, off-premises station blower fan wind shelves gear declines one grade of operation, i.e. room according to default regulating cycle
Outer machine blower fan wind shelves that is, are adjusted to 4 grades of operations by 5 grades in one grade of operation of fall after start 20S.
In wherein second specific embodiment, the off-premises station coil temperature collecting is 24 DEG C, off-premises station blower fan wind shelves are 5
Shelves, compressor frequency are 40HZ.It is less than the first preset temperature because off-premises station coil temperature is 24 DEG C for 28 DEG C, and compressor frequency
It is 45HZ that rate is less than predeterminated frequency for 40HZ, so, off-premises station blower fan wind shelves gear declines one grade of fortune according to default regulating cycle
OK, that is, 5 grades are run by off-premises station blower fan wind shelves in one grade of fall after start 20S, that is, be adjusted to 4 grades of operations.
In wherein the 3rd specific embodiment, the off-premises station coil temperature collecting is 24 DEG C, off-premises station blower fan wind shelves are 8
Shelves.It is less than the first preset temperature for 28 DEG C because off-premises station coil temperature is 24 DEG C, and off-premises station wind shelves are 8 grades higher than default wind
5 grades of shelves, so, off-premises station blower fan wind shelves gear runs for one grade according to the decline of default regulating cycle, and that is, off-premises station blower fan wind shelves are by 8
Shelves in one grade of operation of fall after start 20S, that is, are adjusted to 7 grades of operations.
In wherein the 4th specific embodiment, the off-premises station coil temperature collecting is 42 DEG C, off-premises station blower fan wind shelves are 6
Shelves.It is higher than that the second preset temperature is 37 DEG C because off-premises station coil temperature is 42 DEG C, and off-premises station operation wind shelves are not the most high-grade
10 grades, so, off-premises station blower fan wind shelves gear rises one grade of operation according to default regulating cycle, and that is, off-premises station blower fan wind shelves are by 8
Shelves in one grade of operation of fall after start 20S, that is, are adjusted to 9 grades of operations.
Referring to Fig. 2, a kind of outdoor fan controls system to outdoor fan Control system architecture block diagram provided in an embodiment of the present invention
System, including acquisition module and control module；
Described acquisition module, for gathering off-premises station coil temperature, off-premises station blower fan current wind shelves gear and compressor ginseng
Number；
Described control module, for being less than the first preset temperature when off-premises station coil temperature, and compressor parameter meets the
When one pre-conditioned or off-premises station blower fan current wind shelves gear is higher than the first preset gear, described off-premises station blower fan wind shelves gear root
Decline one grade of operation according at interval of default regulating cycle on the basis of current wind shelves gear；
When off-premises station coil temperature is more than the second preset temperature, described off-premises station blower fan wind shelves gear is according at interval of pre-
If regulating cycle increases by one grade of operation on the basis of current wind shelves gear；If described off-premises station blower fan wind shelves gear is highest
During gear, then it is not further added by；
Wherein, the first preset temperature is less than the second preset temperature.
Control module passes through combining of off-premises station coil temperature and compressor parameter and off-premises station blower fan current wind shelves gear
Judge to control the lower downshift of off-premises station blower fan wind shelves gear to run, it is to avoid independent judgement off-premises station ambient temperature causes refrigeration
The problem that effect is poor, electrical source consumption is big；Meanwhile, if off-premises station coil temperature is more than the second preset temperature, shelves are now increased
Position is run, and advantageously reduces coil temperature, refrigeration is preferable.
Wherein, when compressor parameter is compressor current, in control module, first pre-conditioned is less than for compressor current
Predetermined current, wherein, the span of predetermined current is 0.3 to 0.4 times of compressor rated current；Preferably, predetermined current
Span be 0.35 times of compressor rated current.
When compressor parameter is compressor frequency, in control module, the first pre-conditioned being less than for compressor frequency is preset
Frequency, wherein, the span of predeterminated frequency is 0.4 to 0.5 times of compressor rated frequency；Preferably, the taking of predeterminated frequency
Value scope is 0.45 times of compressor rated frequency.
When compressor current is less than predetermined current and compressor cycle less than predetermined period, show that compressor is in underload
Working condition, now, off-premises station blower fan wind shelves gear declines one grade of operation according to default regulating cycle, is not affecting refrigeration
Under conditions of, reach the effect of energy-conserving and environment-protective.
Wherein, the span of the first preset temperature is 23 DEG C to 30 DEG C it is preferable that the span of the first preset temperature
For 25 DEG C to 28 DEG C, such as 26 DEG C.The span of the second preset temperature is 35 DEG C to 40 DEG C it is preferable that the second preset temperature
Span 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 span of the first preset gear is 0.4 to 0.6 times of off-premises station blower fan strong wind shelves, preferably
Ground, the span of the first preset gear is 0.5 times of off-premises station blower fan strong wind shelves.
First preset temperature, the second preset temperature and the first preset gear in the coil temperature of off-premises station are set to above-mentioned
Scope, it controls the efficiency of fan of outdoor unit of air conditioner and energy consumption relatively low；Meanwhile, by default regulating cycle be 15S to 30S, not
Under the steadiness of impact system, adjust more efficiently.
, referring to Fig. 3, a kind of air-conditioner, including above-mentioned outdoor fan control for air conditioner structure figure provided in an embodiment of the present invention
System processed.
Control system passes through combining of off-premises station coil temperature and compressor parameter and off-premises station blower fan current wind shelves gear
Judge to control the lower downshift of off-premises station blower fan wind shelves gear to run, it is to avoid independent judgement off-premises station ambient temperature causes refrigeration
The problem that effect is poor, electrical source consumption is big；Meanwhile, if off-premises station coil temperature is more than the second preset temperature, shelves are now increased
Position is run, and advantageously reduces coil temperature, refrigeration is preferable.
In describing the invention it is to be understood that term " first ", " second " are only used for describing purpose, and can not
It is interpreted as indicating or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " the
One ", the feature of " second " can be expressed or implicitly include at least one this feature.In describing the invention, " multiple "
It is meant that at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
Combine in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combine.
Above outdoor fan control method of the present invention, system and air-conditioner are described in detail, used herein
Specific case is set forth to the principle of the present invention and embodiment.The explanation of above example is only intended to help understand this
The core concept of invention；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, in specific embodiment
And all will change in range of application, to sum up, this specification content should not be construed as limitation of the present invention.
Claims (11)
1. a kind of outdoor fan control method is it is characterised in that comprise the following steps：
Step 1, collection off-premises station coil temperature, off-premises station blower fan current wind shelves gear and compressor parameter；
Step 2, when off-premises station coil temperature is less than the first preset temperature, and compressor parameter satisfaction first is pre-conditioned or outdoor
When machine blower fan current wind shelves gear is higher than the first preset gear, described off-premises station blower fan wind shelves gear is according at interval of default regulation
Cycle declines one grade of operation on the basis of current wind shelves gear；
When off-premises station coil temperature is more than the second preset temperature, described off-premises station blower fan wind shelves gear is according at interval of default tune
The section cycle increases by one grade of operation on the basis of current wind shelves gear；If described off-premises station blower fan wind shelves gear is highest gear
When, then it is not further added by；
Wherein, the first preset temperature is less than the second preset temperature.
2. outdoor fan control method according to claim 1 is it is characterised in that working as described compressor parameter is compressor
Electric current, in described step 2, first pre-conditioned for compressor current be less than predetermined current, wherein, the value of described predetermined current
Scope is 0.3 to 0.4 times of compressor rated current.
3. outdoor fan control method according to claim 1 is it is characterised in that working as described compressor parameter is compressor
Frequency, in described step 2, first pre-conditioned for compressor frequency be less than predeterminated frequency, wherein, the value of described predeterminated frequency
Scope is 0.4 to 0.5 times of compressor rated frequency.
4. the outdoor fan control method according to any one of claims 1 to 3 is it is characterised in that described first is default warm
The span of degree is 23 DEG C to 30 DEG C.
5. the outdoor fan control method according to any one of claims 1 to 3 is it is characterised in that described second is default warm
The span of degree is 35 DEG C to 40 DEG C.
6. the outdoor fan control method according to any one of claims 1 to 3 is it is characterised in that described default regulation is all
Phase is 15S to 30S.
7. the outdoor fan control method according to any one of claims 1 to 3 is it is characterised in that described first presets shelves
The span of position is 0.4 to 0.6 times of off-premises station blower fan strong wind shelves.
8. a kind of outdoor fan control system is it is characterised in that include acquisition module and control module；
Described acquisition module, for gathering off-premises station coil temperature, off-premises station blower fan current wind shelves gear and compressor parameter；
Described control module, for being less than the first preset temperature when off-premises station coil temperature, and compressor parameter satisfaction first is pre-
If condition or off-premises station blower fan current wind shelves gear are higher than the first preset gear, described off-premises station blower fan wind shelves gear is according to every
The default regulating cycle in interval declines one grade of operation on the basis of current wind shelves gear；
When off-premises station coil temperature is more than the second preset temperature, described off-premises station blower fan wind shelves gear is according at interval of default tune
The section cycle increases by one grade of operation on the basis of current wind shelves gear；If described off-premises station blower fan wind shelves gear is highest gear
When, then it is not further added by；
Wherein, the first preset temperature is less than the second preset temperature.
9. outdoor fan control system according to claim 8 it is characterised in that
When described compressor parameter is compressor current, in described control module, first pre-conditioned is less than for compressor current
Predetermined current, wherein, the span of described predetermined current is 0.3 to 0.4 times of compressor rated current；
When described compressor parameter is compressor frequency, in described step 2, the first pre-conditioned being less than for compressor frequency is preset
Frequency, wherein, the span of described predeterminated frequency is 0.4 to 0.5 times of compressor rated frequency.
10. outdoor fan control system according to claim 8 or claim 9 is it is characterised in that the taking of described first preset temperature
Value scope is 23 DEG C to 30 DEG C, and the span of described second preset temperature is 35 DEG C to 40 DEG C, and described default regulating cycle is
15S to 30S, the span of described first preset gear is 0.4 to 0.6 times of off-premises station blower fan strong wind shelves.
A kind of 11. air-conditioners are it is characterised in that include the outdoor fan control system described in any one of claim 8 to 10.
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| CN201611075236.7A CN106440594B (en) | 2016-11-25 | 2016-11-25 | A kind of outdoor fan control method, system and air conditioner |
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| CN201611075236.7A CN106440594B (en) | 2016-11-25 | 2016-11-25 | A kind of outdoor fan control method, system and air conditioner |
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| CN107062542A (en) * | 2017-04-07 | 2017-08-18 | 广东美的暖通设备有限公司 | Air-conditioning system and its control method of outdoor fan, device |
| CN107339777A (en) * | 2017-07-10 | 2017-11-10 | 广东美的制冷设备有限公司 | Control method, airconditioning control interconnecting device and the air conditioner of wind-speed gear |
| CN109341006A (en) * | 2017-08-01 | 2019-02-15 | 奥克斯空调股份有限公司 | Convertible frequency air-conditioner control device and control method |
| CN110053530A (en) * | 2019-04-23 | 2019-07-26 | 江苏理工学院 | A kind of control method for the ventilating system and ventilating system that seat automates |
| CN111457540A (en) * | 2020-04-16 | 2020-07-28 | 宁波奥克斯电气股份有限公司 | Outdoor fan control method and device and air conditioner |
| CN111852926A (en) * | 2020-07-22 | 2020-10-30 | 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 |
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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 |
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| 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 |
| CN111852926A (en) * | 2020-07-22 | 2020-10-30 | 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 |
| CN112594884A (en) * | 2020-12-10 | 2021-04-02 | 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 |
| 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 |
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| 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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