CN107143974A - The control device and method of outdoor fan of air-conditioner - Google Patents
The control device and method of outdoor fan of air-conditioner Download PDFInfo
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- CN107143974A CN107143974A CN201710312578.4A CN201710312578A CN107143974A CN 107143974 A CN107143974 A CN 107143974A CN 201710312578 A CN201710312578 A CN 201710312578A CN 107143974 A CN107143974 A CN 107143974A
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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
- F24F11/30—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
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- 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
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/16—Arrangement or mounting thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
-
- 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)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of control device of outdoor fan of air-conditioner, the device includes:Outdoor environment temperature detection unit, for detecting outdoor environment temperature;First temperature detecting unit and second temperature detection unit, for sensing chamber's external condenser coil temperature;Computing unit, the rotating speed of target for calculating outdoor fan according to the outdoor environment temperature and the outdoor condenser coil temperature;Control unit, for controlling the outdoor fan to be run with the rotating speed of target.The invention also discloses a kind of control method of outdoor fan of air-conditioner.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of control device and method of outdoor fan of air-conditioner.
Background technology
Chinese Patent Application No. is 201310100919.3, entitled " the control circuit of outdoor fan of air-conditioner, control method
And air conditioner " patent disclose in a kind of control method of outdoor fan, the program and to be examined by condenser coil temperature
Survey unit obtains outdoor condenser coil temperature when outdoor fan is operated and is compared determination outdoor fan with default reference temperature
Wind speed.
Program data collection point is single, and control mode is single, when unique temperature detecting unit breaks down, exists
The hidden danger that operation of air conditioner can not be controlled.
The content of the invention
The embodiments of the invention provide a kind of control device and method of outdoor fan of air-conditioner, it is intended to solves existing scheme and deposits
Data collection point it is single, control mode is single, and when unique temperature detecting unit breaks down, operation of air conditioner can not enter
The problem of row control.There is a basic understanding for some aspects of the embodiment to disclosure, shown below is simple general
Include.The summarized section is not extensive overview, nor to determine key/critical component or describe the protection of these embodiments
Scope.Its sole purpose is that some concepts are presented with simple form, in this, as the preamble of following detailed description.
First aspect according to embodiments of the present invention there is provided a kind of control device of outdoor fan of air-conditioner, including:It is outdoor
Environment temperature detection unit, for detecting outdoor environment temperature;First temperature detecting unit and second temperature detection unit, are used for
Sensing chamber's external condenser coil temperature;Computing unit, for according to the outdoor environment temperature and the outdoor condenser coil
The rotating speed of target of temperature computation outdoor fan;Control unit, for controlling the outdoor fan to be run with the rotating speed of target.
Alternatively, the computing unit calculates the rotating speed of target of the outdoor fan according to equation below:
Wherein, n is the rotating speed of target of outdoor fan, specified maximum speed when N is outdoor fan full speed running, and Tp0 is
The default outdoor condenser coil temperature of air-conditioning, Ta0 is the default outdoor environment temperature of air-conditioning, and Tp is outdoor condenser coil temperature
Degree, Ta is outdoor environment temperature.
Alternatively, the outdoor condenser pan that first temperature detecting unit and the second temperature detection unit are detected
Higher one is outdoor condenser coil temperature in pipe temperature.
Alternatively, described control unit, be additionally operable to control the outdoor fan start after in the first setting time with the
One rotating speed is run.
Second aspect according to embodiments of the present invention there is provided a kind of control method of outdoor fan of air-conditioner, including:Work as detection
When being less than first design temperature to outdoor environment temperature, control the outdoor fan in the second setting time with according to institute
State the outdoor condenser coil temperature that outdoor environment temperature, the first temperature detecting unit and second temperature detection unit detect true
The rotating speed of target operation of fixed outdoor fan;When detecting the outdoor condenser coil temperature and default outdoor condenser pan
When the absolute value of the difference of pipe temperature is more than the second design temperature, control the outdoor fan in the second setting time with basis
The outdoor condensation that the outdoor environment temperature, the first temperature detecting unit and the second temperature detection unit of newest reading are detected
The rotating speed of target operation for the outdoor fan that device coil temperature is determined.
Alternatively, the control outdoor fan in the second setting time with according to the outdoor environment temperature, the
The mesh for the outdoor fan that the outdoor condenser coil temperature that one temperature detecting unit and second temperature detection unit are detected is determined
Mark rotating speed operation includes:The rotating speed of target of the outdoor fan is calculated according to equation below:
Wherein, n is the target temperature of outdoor fan, specified maximum speed when N is outdoor fan full speed running, and Tp0 is
The default outdoor condenser coil temperature of air-conditioning, Ta0 is the default outdoor environment temperature of air-conditioning, and Tp is outdoor condenser coil temperature
Degree, Ta is outdoor environment temperature;The outdoor fan is controlled in the second setting time with rotating speed of target operation.
Alternatively, the outdoor condenser coil temperature is that first temperature detecting unit and the second temperature are detected
Higher one in the outdoor condenser coil temperature that unit is detected.
Alternatively, methods described also includes:The once outdoor environment temperature and institute are read at interval of the second setting time
Outdoor condenser coil temperature is stated, reads and terminates after six groups;Ask for the outdoor environment temperature and the outdoor condenser coil
The average value of temperature.
Alternatively, methods described also includes:Control to transport with the first rotating speed in the first setting time after outdoor fan startup
OK.
Technical scheme provided in an embodiment of the present invention can include the following benefits:
The rotating speed of target of outdoor fan is determined by the outdoor environment temperature and outdoor condenser coil temperature that detect, it is real
Show the polynary control of outdoor fan of air-conditioner, in outdoor condenser provided with two temperature detecting units, add outdoor condenser
The sampled point of coil temperature, it is to avoid single detection unit is damaged, hidden danger that operation of air conditioner can not be controlled.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
Can the limitation present invention.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the present invention
Example, and for explaining principle of the invention together with specification.
Fig. 1 is a kind of block diagram of the control device of outdoor fan of air-conditioner according to an exemplary embodiment;
Fig. 2 is a kind of schematic flow sheet of the control method of outdoor fan of air-conditioner according to an exemplary embodiment;
Fig. 3 is a kind of schematic flow sheet of the control method of outdoor fan of air-conditioner according to an exemplary embodiment;
Fig. 4 is a kind of schematic flow sheet of the rotating speed of target of determination outdoor fan according to an exemplary embodiment.
Embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Put into practice them.Other embodiments can include structure, logic, electric, process and other changes.Embodiment
Only represent possible change.Unless explicitly requested, otherwise single components and functionality is optional, and the order operated can be with
Change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The scope of bright embodiment includes the gamut of claims, and claims is all obtainable equivalent
Thing.Herein, each embodiment individually or can be represented generally with term " invention ", and it is convenient that this is used for the purpose of,
And if in fact disclosing the invention more than one, the scope for being not meant to automatically limit the application is any single invention
Or inventive concept.Herein, such as first and second or the like relational terms be used only for by an entity or operation with
Another entity or operation make a distinction, without requiring or implying between these entities or operation there is any actual relation
Or order.Moreover, term " comprising ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that
So that process, method or equipment including a series of key elements not only include those key elements, but also including being not expressly set out
Other key elements, or also include for this process, method or the intrinsic key element of equipment.In the feelings of not more limitations
Under condition, the key element limited by sentence "including a ...", it is not excluded that in the process including the key element, method or equipment
In also there is other identical element.Each embodiment herein is described by the way of progressive, and each embodiment is stressed
Be all between difference with other embodiment, each embodiment identical similar portion mutually referring to.For implementing
For the disclosed method structure of example, product etc., because it is corresponding with method part disclosed in embodiment, so the comparison of description
Simply, related part is referring to method part illustration.
It is the structural representation of the control device of outdoor fan of air-conditioner provided in an embodiment of the present invention as shown in Figure 1.Including:
Outdoor environment temperature detection unit 101, the first temperature detecting unit 102, second temperature detection unit 103, the He of computing unit 104
Control unit 105.
Outdoor environment temperature detection unit 101 is used to detect outdoor environment temperature.
First temperature detecting unit 102 and second temperature detection unit 103 are arranged at the difference on the surface of outdoor condenser
Position, the temperature for sensing chamber's external condenser.Add the sampled point of outdoor condenser coil temperature, it is to avoid single temperature
Detection unit is broken down, and operation of air conditioner can not be controlled.The first temperature detecting unit 102 and second is warm in the present embodiment
Degree detection unit 103 is separately positioned on the upper and lower part of condenser, in certain embodiments, the first temperature detecting unit 102
The left side and right side of condenser are separately positioned on second temperature detection unit 103, in further embodiments, the inspection of the first temperature
Survey unit 102 and second temperature detection unit 103 is separately positioned on top and left side.
Computing unit 104, for the outdoor environment temperature detected according to outdoor temperature detection unit 101 and the first temperature
The outdoor condenser coil temperature that detection unit 102 and second temperature detection unit 103 are detected calculates the target of outdoor fan
Rotating speed.
Control unit 105, the rotating speed of target for controlling outdoor fan that outdoor fan calculates with computing unit 104
Operation.
The device that the present embodiment is provided, room is determined by the outdoor environment temperature and outdoor condenser coil temperature that detect
The rotating speed of target of outer blower fan, realizes the polynary control of outdoor fan of air-conditioner, in outdoor condenser provided with two temperature detection lists
Member, add the sampled point of outdoor condenser coil temperature, it is to avoid single detection unit is damaged, and operation of air conditioner can not be controlled
The hidden danger of system.
In further embodiments, the control device of outdoor fan of air-conditioner includes:Outdoor environment temperature detection unit 101,
First temperature detecting unit 102, second temperature detection unit 103, computing unit 104 and control unit 105.
Outdoor environment temperature detection unit 101 is used to detect outdoor environment temperature.
First temperature detecting unit 102 and second temperature detection unit 103 are arranged at the difference on the surface of outdoor condenser
Position, the temperature for sensing chamber's external condenser.
Computing unit 104 is used for the rotating speed of target that the outdoor fan is calculated according to equation below:
Wherein, n is the rotating speed of target of outdoor fan, specified maximum speed when N is outdoor fan full speed running, and Tp0 is
The default outdoor condenser coil temperature of air-conditioning, Ta0 is the default outdoor environment temperature of air-conditioning, and Tp is outdoor condenser coil temperature
Degree, Ta is outdoor environment temperature, and 273.5 be thermodynamic (al) minimum temperature, and the unit of thermodynamic scale is Kelvin.
Wherein, outdoor condenser coil temperature is that the first temperature detecting unit 102 and second temperature detection unit 103 are detected
Higher one in the temperature of the outdoor condenser gone out.
Control unit 105, the rotating speed of target for controlling outdoor fan that outdoor fan calculates with computing unit 104
Operation.Control unit 105 is additionally operable to control to run with the first rotating speed in the first setting time after the outdoor fan startup.Its
In, the scope of the first setting time is:1~5 minute.In the present embodiment, the first setting time is 2 minutes.According to outdoor
Before condenser coil temperature and outdoor environment temperature are controlled to outdoor fan rotating speed, outdoor fan is run 2 minutes so that room
The temperature of external condenser tends towards stability, convenient control.Specified maximum speed when first rotating speed is outdoor fan full speed running, is protected
Outdoor fan is smooth on startup behaves for card, and outdoor fan electric current crosses conference and damages motor during slow-speed of revolution startup.
The device that the present embodiment is provided, room is determined by the outdoor environment temperature and outdoor condenser coil temperature that detect
The rotating speed of target of outer blower fan, realizes the polynary control of outdoor fan of air-conditioner, in outdoor condenser provided with two temperature detection lists
Member, add the sampled point of outdoor condenser coil temperature, it is to avoid single detection unit is damaged, and operation of air conditioner can not be controlled
The hidden danger of system.
In further embodiments, computing unit 104 is calculated according to outdoor environment temperature and outdoor condenser coil temperature
The rotating speed of target of outdoor fan comprises the following steps.First have to adopt outdoor environment temperature and outdoor condenser coil temperature
Collection, an outdoor environment temperature and outdoor condenser coil temperature are read at interval of the 3rd setting time, are read and are terminated after six groups.
Wherein, the 3rd setting time is 30 seconds, and a temperature was read at interval of 30 seconds, adds sample size while improving to outdoor wind
The efficiency of machine rotating speed control.Outdoor environment temperature by outdoor environment temperature detection unit 101 detection draw, outdoor condenser coil
Temperature is drawn by the first temperature detecting unit 102 and the detection of second temperature detection unit 103.Take in 6 groups of data in each group
Higher one in the outdoor condenser coil temperature that one temperature detecting unit 102 and second temperature detection unit 103 are detected
It is counted as outdoor condenser coil temperature.After terminating to outdoor environment temperature and outdoor condenser coil temperature collection, outdoor is asked for
The average value of environment temperature and outdoor condenser coil temperature, according to the flat of outdoor environment temperature and outdoor condenser coil temperature
Average is calculated the rotating speed of target of outdoor fan by equation below.
Wherein, n is the target temperature of outdoor fan, specified maximum speed when N is outdoor fan full speed running, and Tp0 is
The default outdoor condenser coil temperature of air-conditioning, Ta0 is the default outdoor environment temperature of air-conditioning, and Tp is outdoor condenser coil temperature
The average value of degree, Ta is the average value of outdoor environment temperature, and 273.5 be thermodynamic (al) minimum temperature, the unit of thermodynamic scale
It is Kelvin.
It is illustrated in figure 2 the schematic diagram of the control method of outdoor fan of air-conditioner provided in an embodiment of the present invention.Including as follows
Step.
Step S201, when detecting outdoor environment temperature less than first design temperature, controls the outdoor fan
With according to the detection of the outdoor environment temperature, the first temperature detecting unit and second temperature detection unit in the second setting time
The rotating speed of target operation for the outdoor fan that the outdoor condenser coil temperature arrived is determined.
When detecting outdoor environment temperature less than first design temperature, computing unit is examined according to outdoor environment temperature
The outdoor condenser coil that the outdoor environment temperature measured, the first temperature detecting unit and second temperature detection unit are detected
Temperature computation determines the rotating speed of target of outdoor fan, and control unit controls outdoor fan to turn in the second setting time with the target
Speed operation.Wherein, the first design temperature is determined according to the environment temperature average value of air-conditioning installation environment, in the present embodiment, the
One design temperature is 35 DEG C.The scope of second setting time is 3~10 minutes, in the present embodiment, and the second setting time is 5 points
Clock.In the 3rd setting time, target temperature stable operation of the outdoor fan currently to calculate, when outdoor fan is with current
The target temperature stable operation calculated judges whether to need to meet to carry out the rotating speed of outdoor fan up to the second setting time
Adjustment, it is ensured that the stable effective work of air-conditioning, it is to avoid the frequent adjustment of outdoor fan.
Step S202, when the difference for detecting the outdoor condenser coil temperature and default outdoor condenser coil temperature
When the absolute value of value is more than the second design temperature, control the outdoor fan in the second setting time with according to newest reading
The outdoor condenser coil temperature that the outdoor environment temperature, the first temperature detecting unit and second temperature detection unit are detected
The rotating speed of target operation of the outdoor fan of determination.
Air-conditioning is preset with an outdoor condenser coil temperature, and outdoor fan is stable with the target temperature currently calculated
Operation is up to the second setting time, when sensing chamber's external condenser coil temperature and the difference of default outdoor condenser coil temperature
When absolute value is less than or equal to the second design temperature, outdoor fan works as inspection with the target temperature stable operation currently calculated
Survey outdoor condenser coil temperature and the absolute value of the difference of default outdoor condenser coil temperature is more than the second design temperature
When, computing unit is according to the outdoor environment temperature that outdoor environment temperature detection unit is obtained under the state, the first temperature detection list
The outdoor condenser coil temperature that member and second temperature detection unit are detected calculates the rotating speed of target for determining outdoor fan again,
The rotating speed of target that control unit is controlled outdoor fan and drawn in the second setting time with the latest computed is run.
The method that the present embodiment is provided, control unit controls outdoor fan to pass through the outdoor environment temperature detected and room
External condenser coil temperature determines the rotating speed of target operation of outdoor fan, the polynary control of outdoor fan of air-conditioner is realized, in room
External condenser adds the sampled point of outdoor condenser coil temperature provided with two temperature detecting units, it is to avoid single detection
Unit is damaged, the hidden danger that operation of air conditioner can not be controlled.
It is illustrated in figure 3 the schematic diagram of the control method of outdoor fan of air-conditioner provided in an embodiment of the present invention.Including as follows
Step.
Step S301, is run after control outdoor fan startup in the first setting time with the first rotating speed.
Run after control unit control outdoor fan startup in the first setting time with the first rotating speed.Wherein, first set
The scope fixed time is:1~5 minute.In the present embodiment, the first setting time is 2 minutes.According to outdoor condenser coil
Before temperature and outdoor environment temperature are controlled to outdoor fan rotating speed, outdoor fan is run 2 minutes so that outdoor condenser
Temperature tends towards stability, convenient control.Specified maximum speed when first rotating speed is outdoor fan full speed running, it is ensured that outdoor fan
It is smooth on startup to behave, and outdoor fan electric current crosses conference damage motor during slow-speed of revolution startup.
Step S302, when detecting outdoor environment temperature less than first design temperature, controls the outdoor fan
With according to the detection of the outdoor environment temperature, the first temperature detecting unit and second temperature detection unit in the 3rd setting time
The rotating speed of target operation for the outdoor fan that the outdoor condenser coil temperature arrived is determined.
When outdoor fan operation reaches the first setting time 2 minutes and detects outdoor environment temperature more than or equal to first
During design temperature, outdoor fan is continued to run with the first current rotating speed, is less than described first when detecting outdoor environment temperature
During design temperature, computing unit detects obtained outdoor environment temperature according to outdoor environment temperature, the first temperature detecting unit and
The outdoor condenser coil temperature that second temperature detection unit is detected calculates the rotating speed of target for determining outdoor fan, calculation formula
It is as follows:
Wherein, n is the rotating speed of target of outdoor fan, specified maximum speed when N is outdoor fan full speed running, and Tp0 is
The default outdoor condenser coil temperature of air-conditioning, Ta0 is the default outdoor environment temperature of air-conditioning, and Tp is outdoor condenser coil temperature
Degree, Ta is outdoor environment temperature, and 273.5 be thermodynamic (al) minimum temperature, and the unit of thermodynamic scale is Kelvin.Wherein, room
External condenser coil temperature is the temperature for the outdoor condenser that the first temperature detecting unit and second temperature detection unit are detected
In it is higher one.Control unit controls outdoor fan to be run in the second setting time with the rotating speed of target.
Step S303, when the difference for detecting the outdoor condenser coil temperature and default outdoor condenser coil temperature
When the absolute value of value is more than the second design temperature, control the outdoor fan in the second setting time with according to newest reading
The outdoor condenser coil temperature that the outdoor environment temperature, the first temperature detecting unit and second temperature detection unit are detected
The rotating speed of target operation of the outdoor fan of determination.
Wherein, outdoor condenser coil temperature is the room that the first temperature detecting unit and second temperature detection unit are detected
Higher one in external condenser coil temperature.
The method that the present embodiment is provided, control unit controls outdoor fan to pass through the outdoor environment temperature detected and room
External condenser coil temperature determines the rotating speed of target operation of outdoor fan, the polynary control of outdoor fan of air-conditioner is realized, in room
External condenser adds the sampled point of outdoor condenser coil temperature provided with two temperature detecting units, it is to avoid single detection
Unit is damaged, the hidden danger that operation of air conditioner can not be controlled.
In further embodiments, the control method of outdoor fan of air-conditioner, control unit control outdoor fan is set the 3rd
Outdoor condensation in fixing time to be detected according to outdoor environment temperature, the first temperature detecting unit and second temperature detection unit
The rotating speed of target operation for the outdoor fan that device coil temperature is determined comprises the following steps.
Step S401, the once outdoor environment temperature and the outdoor condenser pan are read at interval of the 3rd setting time
Pipe temperature, reads and terminates after six groups.
Wherein, the 3rd setting time is 30 seconds, read a temperature at interval of 30 seconds, adds sample size and improve simultaneously
The efficiency controlled outdoor fan rotating speed.Read in six groups of data, every group of data include being examined by outdoor environment temperature detection unit
The outdoor environment temperature measured, the outdoor condenser coil temperature detected by the first temperature detecting unit and is examined by second temperature
Survey the outdoor condenser coil temperature that unit detection is drawn.
Step S402, the outdoor condensation for taking first temperature detecting unit and the second temperature detection unit to detect
Higher one is counted as the outdoor condenser coil temperature in device coil temperature.
In six groups of data of reading, every group of data include two outdoor condenser coil temperatures, take two outdoor condensations
In device coil temperature higher one as outdoor condenser coil temperature virtual value to carry out outdoor fan rotating speed calculating.
Step S403, asks for the average value of the outdoor environment temperature and the outdoor condenser coil temperature.
To the outdoor environment temperature in six groups of data and outdoor condenser coil temperature averaged.
Step S404, according to the mean value calculation of the outdoor environment temperature and the outdoor condenser coil temperature
The rotating speed of target of outdoor fan.
Outdoor fan is calculated by equation below according to the average value of outdoor environment temperature and outdoor condenser coil temperature
Rotating speed of target.
Wherein, n is the target temperature of outdoor fan, specified maximum speed when N is outdoor fan full speed running, and Tp0 is
The default outdoor condenser coil temperature of air-conditioning, Ta0 is the default outdoor environment temperature of air-conditioning, and Tp is outdoor condenser coil temperature
The average value of degree, Ta is the average value of outdoor environment temperature, and 273.5 be thermodynamic (al) minimum temperature, the unit of thermodynamic scale
It is Kelvin.
Step S405, controls the outdoor fan to be run with the rotating speed of target.
The rotating speed of target that control unit controls outdoor fan to calculate is run.
The method that the present embodiment is provided, room is determined by the outdoor environment temperature and outdoor condenser coil temperature that detect
The rotating speed of target of outer blower fan, realizes the polynary control of outdoor fan of air-conditioner, in outdoor condenser provided with two temperature detection lists
Member, add the sampled point of outdoor condenser coil temperature, it is to avoid single detection unit is damaged, and operation of air conditioner can not be controlled
The hidden danger of system.
It should be appreciated that the invention is not limited in the flow and structure for being described above and being shown in the drawings,
And various modifications and changes can be being carried out without departing from the scope.The scope of the present invention is only limited by appended claim
System.
Claims (9)
1. a kind of control device of outdoor fan of air-conditioner, it is characterised in that including:
Outdoor environment temperature detection unit, for detecting outdoor environment temperature;
First temperature detecting unit and second temperature detection unit, for sensing chamber's external condenser coil temperature;
Computing unit, the mesh for calculating outdoor fan according to the outdoor environment temperature and the outdoor condenser coil temperature
Mark rotating speed;
Control unit, for controlling the outdoor fan to be run with the rotating speed of target.
2. device as claimed in claim 1, it is characterised in that the computing unit calculates the outdoor wind according to equation below
The rotating speed of target of machine:
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Wherein, n is the rotating speed of target of outdoor fan, specified maximum speed when N is outdoor fan full speed running, and Tp0 is air-conditioning
Default outdoor condenser coil temperature, Ta0 is the default outdoor environment temperature of air-conditioning, and Tp is outdoor condenser coil temperature,
Ta is outdoor environment temperature.
3. device as claimed in claim 1 or 2, it is characterised in that first temperature detecting unit and the second temperature
Higher one is outdoor condenser coil temperature in the outdoor condenser coil temperature that detection unit is detected.
4. device as claimed in claim 1, it is characterised in that described control unit, is additionally operable to control the outdoor fan to open
Run after dynamic in the first setting time with the first rotating speed.
5. a kind of control method of outdoor fan of air-conditioner, it is characterised in that including:
When detecting outdoor environment temperature less than first design temperature, the outdoor fan is controlled in the second setting time
The interior outdoor condenser to be detected according to the outdoor environment temperature, the first temperature detecting unit and second temperature detection unit
The rotating speed of target operation for the outdoor fan that coil temperature is determined;
When detecting the outdoor condenser coil temperature and the absolute value of the difference of default outdoor condenser coil temperature is big
When the second design temperature, control the outdoor fan in the second setting time with the outdoor environment according to newest reading
The outdoor wind that the outdoor condenser coil temperature that temperature, the first temperature detecting unit and second temperature detection unit are detected is determined
The rotating speed of target operation of machine.
6. method as claimed in claim 5, it is characterised in that the control outdoor fan in the second setting time with
The outdoor condenser coil detected according to the outdoor environment temperature, the first temperature detecting unit and second temperature detection unit
The rotating speed of target operation for the outdoor fan that temperature is determined includes:
The rotating speed of target of the outdoor fan is calculated according to equation below:
<mrow>
<mi>n</mi>
<mo>=</mo>
<mfrac>
<mrow>
<mi>N</mi>
<mo>*</mo>
<mrow>
<mo>(</mo>
<mi>T</mi>
<mi>a</mi>
<mn>0</mn>
<mo>+</mo>
<mn>273.15</mn>
<mo>)</mo>
</mrow>
<mo>*</mo>
<mrow>
<mo>(</mo>
<mi>T</mi>
<mi>p</mi>
<mn>0</mn>
<mo>-</mo>
<mi>T</mi>
<mi>a</mi>
<mn>0</mn>
<mo>)</mo>
</mrow>
<mo>*</mo>
<mrow>
<mo>(</mo>
<mn>273.15</mn>
<mo>+</mo>
<mi>T</mi>
<mi>p</mi>
<mn>0</mn>
<mo>)</mo>
</mrow>
</mrow>
<mrow>
<mo>(</mo>
<mi>T</mi>
<mi>p</mi>
<mo>-</mo>
<mi>T</mi>
<mi>a</mi>
<mo>)</mo>
<mo>*</mo>
<mo>(</mo>
<mn>273.15</mn>
<mo>+</mo>
<mi>T</mi>
<mi>p</mi>
<mo>)</mo>
<mo>*</mo>
<mo>(</mo>
<mn>273.15</mn>
<mo>+</mo>
<mi>T</mi>
<mi>a</mi>
<mo>)</mo>
</mrow>
</mfrac>
</mrow>
Wherein, n is the target temperature of outdoor fan, specified maximum speed when N is outdoor fan full speed running, and Tp0 is air-conditioning
Default outdoor condenser coil temperature, Ta0 is the default outdoor environment temperature of air-conditioning, and Tp is outdoor condenser coil temperature,
Ta is outdoor environment temperature;
The outdoor fan is controlled in the second setting time with rotating speed of target operation.
7. the method as described in claim 5 or 6, it is characterised in that the outdoor condenser coil temperature is the described first temperature
Higher one in the outdoor condenser coil temperature that degree detection unit and the second temperature detection unit are detected.
8. method as claimed in claim 6, it is characterised in that methods described also includes:
The once outdoor environment temperature and the outdoor condenser coil temperature are read at interval of the second setting time, six are read
Terminate after group;
Ask for the average value of the outdoor environment temperature and the outdoor condenser coil temperature.
9. method as claimed in claim 5, it is characterised in that methods described also includes:Control outdoor fan start after the
Run in one setting time with the first rotating speed.
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CN201710312578.4A CN107143974B (en) | 2017-05-05 | 2017-05-05 | Control device and method for outdoor fan of air conditioner |
PCT/CN2018/082318 WO2018201852A1 (en) | 2017-05-05 | 2018-04-09 | Air conditioner outdoor fan control device and method |
US16/604,940 US20200056798A1 (en) | 2017-05-05 | 2018-04-09 | Control device and method for outdoor fan of air conditioner |
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CN201710312578.4A CN107143974B (en) | 2017-05-05 | 2017-05-05 | Control device and method for outdoor fan of air conditioner |
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CN107143974A true CN107143974A (en) | 2017-09-08 |
CN107143974B CN107143974B (en) | 2020-10-20 |
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US (1) | US20200056798A1 (en) |
CN (1) | CN107143974B (en) |
WO (1) | WO2018201852A1 (en) |
Cited By (6)
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CN108302717A (en) * | 2018-01-11 | 2018-07-20 | 广东美的制冷设备有限公司 | The control method and air conditioner of air conditioner |
CN108759033A (en) * | 2018-07-27 | 2018-11-06 | 山东朗进科技股份有限公司 | A kind of control method of air-conditioner set condensation fan |
WO2018201852A1 (en) * | 2017-05-05 | 2018-11-08 | 青岛海尔空调电子有限公司 | Air conditioner outdoor fan control device and method |
CN110470027A (en) * | 2019-09-19 | 2019-11-19 | 四川虹美智能科技有限公司 | A kind of DC fan adjusting method, controller and thermoregulating system |
CN111023393A (en) * | 2019-11-15 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Control method and system of outdoor fan and air conditioner |
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Also Published As
Publication number | Publication date |
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US20200056798A1 (en) | 2020-02-20 |
WO2018201852A1 (en) | 2018-11-08 |
CN107143974B (en) | 2020-10-20 |
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