CN109210672B - A kind of control method of outdoor fan, device, outdoor fan and air-conditioning system - Google Patents
A kind of control method of outdoor fan, device, outdoor fan and air-conditioning system Download PDFInfo
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- CN109210672B CN109210672B CN201810862450.XA CN201810862450A CN109210672B CN 109210672 B CN109210672 B CN 109210672B CN 201810862450 A CN201810862450 A CN 201810862450A CN 109210672 B CN109210672 B CN 109210672B
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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
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- 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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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to a kind of control method of outdoor fan, device, outdoor fan and system, which includes: acquisition duty parameter；According to the duty parameter, target high-pressure value is determined；According to the target high-pressure value, the operating parameter of outdoor fan is controlled.Technical solution provided by the invention, by obtaining duty parameter, determine target high-pressure value, target high-pressure value changes with the variation of duty parameter, the value mode of the dynamic close limit of this target high-pressure value provided by the invention, realize being precisely controlled for system high pressure, outdoor fan operation is controlled according to the target high-pressure value, by the control of system high pressure value in tolerance, in the tolerance, system remains best energy efficiency state, reduce the idle work of air-blower control, reduce power consumption, saved the energy, improves the comfortable sexual experience of user.
Description
Technical field
The present invention relates to intelligent appliance technical fields, and in particular to a kind of control method of outdoor fan, device, outdoor wind
Machine and air-conditioning system.
Background technique
Multi-connected machine is commonly called as " one drag more ", refers to that an outdoor unit connects two or more indoor units by piping,
Outside uses direct evaporation and heat-exchange form using air-cooled heat transfer form, indoor.
Currently, the air-blower control of multi-connected machine is fairly simple, mainly high voltage control is limited in a reliable range, but
This range is fixed and than broad, although this range can guarantee the reliable of unit operation to a certain extent
Property, also it is avoided that frequent switching bring a series of problems due to outdoor fan running frequency, but drawback is also brighter
Aobvious.Since the control range of high pressure is too wide in range, and numerical value is usually pre-set, cannot according to the operating condition of multi-connected machine with
When adjust, this aspect causes the pressure controling precision of multi-line system lower, on the other hand causes multi-connected machine in special operation condition
Under cannot keep best energy efficiency state, the comfortable sexual experience of user is poor.For example, standard-sized sheet indoor unit high-temperature refrigeration and singly opening indoor unit
In the case where freezing and shutting down close to temperature spot, efficiency is very low, and comfort is also very poor.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of present invention to provide the control method of outdoor fan, device, room
Outer blower and air-conditioning system, to solve the problems, such as that outdoor fan control precision is low.
According to a first aspect of the embodiments of the present invention, a kind of control method of outdoor fan is provided, comprising:
Obtain duty parameter；
According to the duty parameter, target high-pressure value is determined；
According to the target high-pressure value, the operating parameter of outdoor fan is controlled.
Preferably, the duty parameter includes:
Ambient temperature, the running frequency of compressor.
Preferably, described according to the duty parameter, determine target high-pressure value, comprising:
When the ambient temperature is greater than preset high temperature threshold value, determine that target high-pressure value is the first fixed high pressure
Value；And/or
When the ambient temperature is less than preset low temperature threshold, determine that target high-pressure value is the second fixed high pressure
Value；And/or
When the ambient temperature is between preset high temperature threshold value and preset low temperature threshold, according to described outer
Target high-pressure value is calculated in portion's environment temperature and the running frequency of compressor.
Preferably, if described according to the duty parameter, target high-pressure value is determined, comprising: in the ambient temperature
When greater than preset high temperature threshold value, determine that target high-pressure value is the first fixed high-voltage value, and, it is small in the ambient temperature
When preset low temperature threshold, determine that target high-pressure value is the second fixed high-voltage value, then,
First high-voltage value is greater than second high-voltage value.
Preferably, if described according to the duty parameter, target high-pressure value is determined, comprising: in the ambient temperature
When between preset high temperature threshold value and preset low temperature threshold, according to the operation of the ambient temperature and compressor frequency
When target high-pressure value is calculated in rate, then, the running frequency according to the ambient temperature and compressor is calculated
Target high-pressure value, comprising:
When the running frequency of the compressor is less than or equal to preset frequency threshold, by the ambient temperature and
Target high-pressure value is calculated as calculating parameter in the running frequency of compressor；Alternatively,
When the running frequency of the compressor is greater than preset frequency threshold, using the ambient temperature as calculating
Target high-pressure value is calculated in parameter.
Preferably, the operating parameter of the outdoor fan, comprising: the running frequency of outdoor fan.
Preferably, described according to the target high-pressure value, control the operating parameter of outdoor fan, comprising:
If the current high-voltage value of system is greater than or equal to the target high-pressure value, the operation frequency of outdoor fan is increased
Rate, to reduce the high-voltage value of system；Alternatively,
If the current high-voltage value of system is less than the target high-pressure value, the running frequency of outdoor fan is reduced, to mention
The high-voltage value of high system.
According to a second aspect of the embodiments of the present invention, a kind of control device of outdoor fan is provided, comprising:
Module is obtained, for obtaining duty parameter；
Determining module, for determining target high-pressure value according to the duty parameter；
Control module, for controlling the operating parameter of outdoor fan according to the target high-pressure value.
According to a third aspect of the embodiments of the present invention, a kind of outdoor fan is provided, comprising: the control of above-mentioned outdoor fan
Device.
According to a fourth aspect of the embodiments of the present invention, a kind of air-conditioning system is provided, comprising: above-mentioned outdoor fan.
The technical solution that the embodiment of the present invention provides can include the following benefits:
By obtaining duty parameter, determine that target high-pressure value, target high-pressure value change with the variation of duty parameter, compare
The value mode of the wide scope of the fixation of target high-pressure value in the related technology, the dynamic of this target high-pressure value provided by the invention
Close limit value mode, realize being precisely controlled for system high pressure, according to the target high-pressure value control outdoor fan operation,
By the control of system high pressure value in tolerance, in the tolerance, system remains best energy efficiency state, reduces wind
The idle work of machine control, reduces power consumption, has saved the energy, improve the comfortable sexual experience of user.
In addition, since the present invention is to directly control the operation of outdoor fan according to target high-pressure value, compared in the related technology
System actual high-voltage value is first scaled saturation temperature, the degree of superheat and degree of supercooling of system are judged further according to saturation temperature, it is real
Now to the control of the outdoor fan of multi-connected machine, technical solution provided by the invention does not need to convert, and is directly gone with target high-pressure value
The operation for controlling outdoor fan, changes high voltage control logic in the related technology, and control precision is higher.
In concrete practice, applicant also verifies technical solution provided by the invention, and verified discovery is at this
In the control accuracy rating that the target high-pressure value provided is provided, at least there are five Frequency points, so that outdoor fan operates in this
When five Frequency points, system is able to maintain best energy efficiency state, can running frequency range foot for the operation of outdoor fan
Enough width, have largely avoided the problem that running frequency frequent switching bring power consumption is big, the outdoor fan service life is low, simultaneously
The rate of breakdown of outdoor fan can also be reduced.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is a kind of flow chart of the control method of outdoor fan shown according to an exemplary embodiment；
Fig. 2 is a kind of flow chart of the control method of the outdoor fan shown according to another exemplary embodiment；
Fig. 3 is a kind of schematic block diagram of the control device of outdoor fan shown according to an exemplary embodiment；
Fig. 4 is a kind of schematic block diagram of the control device of the outdoor fan shown according to another exemplary embodiment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
Fig. 1 is a kind of flow chart of the control method of outdoor fan shown according to an exemplary embodiment, referring to Fig. 1,
This method comprises:
Step S11, duty parameter is obtained；
Step S12, according to the duty parameter, target high-pressure value is determined；
Step S13, according to the target high-pressure value, the operating parameter of outdoor fan is controlled.
It should be noted that the control method of this outdoor fan provided in this embodiment, applicable scene includes but not
It is limited to: the outdoor fan control of air-conditioner set, outdoor fan control of new blower etc..
Preferably, the operating parameter of the outdoor fan, comprising: the running frequency of outdoor fan.
It is understood that no matter system is run under what operating condition, when system energy efficiency highest, an always corresponding high pressure
Value, it is preferable that the control method of this outdoor fan provided in this embodiment, the target high-pressure according to determined by duty parameter
Value, target high-pressure value when being system energy efficiency highest.
It is understood that the target high-pressure value can be a data dot values, it is also possible to a data value range,
For example, the data value range that left and right is fluctuated near some data dot values.
The difference of the high-voltage value for making system belonging to the outdoor fan and the target high-pressure value is in preset range
Interior, meaning is exactly by the control of system high pressure value in tolerance, which is what target high-pressure value allowed to fluctuate
Data area value.
Technical solution provided in this embodiment determines target high-pressure value, target high-pressure value is with work by obtaining duty parameter
The variation of condition parameter and change, compared to the value mode of the wide scope of the fixation of target high-pressure value in the related technology, the present invention is mentioned
The value mode of the dynamic close limit of this target high-pressure value supplied, realizes being precisely controlled for system high pressure, according to the mesh
High-voltage value control outdoor fan operation is marked, by the control of system high pressure value in tolerance, in the tolerance, system is always
Best energy efficiency state is kept, reduces the idle work of air-blower control, reduces power consumption, saved the energy, improve user's
Comfortable sexual experience.
Preferably, the duty parameter includes:
Ambient temperature, the running frequency of compressor.
Duty parameter is limited the operation frequency including ambient temperature and compressor by technical solution provided in this embodiment
Rate converses target high-pressure value by the running frequency of ambient temperature and compressor, and the target high-pressure value obtained in this way is more
Meet actual condition, so that the high voltage control of system is more accurate.
Preferably, described according to the duty parameter, determine target high-pressure value, comprising:
When the ambient temperature is greater than preset high temperature threshold value, determine that target high-pressure value is the first fixed high pressure
Value；And/or
When the ambient temperature is less than preset low temperature threshold, determine that target high-pressure value is the second fixed high pressure
Value；And/or
When the ambient temperature is between preset high temperature threshold value and preset low temperature threshold, according to described outer
Target high-pressure value is calculated in portion's environment temperature and the running frequency of compressor.
It should be noted that the high temperature threshold value and low temperature threshold, be all according to historical experience value or experimental data into
Row setting.For example, high temperature threshold value is set as 40 DEG C, low temperature threshold is set as 25 DEG C.It is understood that being controlled for one
For system, either high voltage control or low voltage control can all have a limit, so technical side provided in this embodiment
Case, when the ambient temperature is greater than preset high temperature threshold value and when ambient temperature is less than preset low temperature threshold,
High pressure limitation is done, to ensure the stability and reliability of system.
It should be noted that first high-voltage value and the second high-voltage value, it can be according to historical experience value or experiment number
According to being configured, can also be calculated according to the running frequency of ambient temperature and compressor, specific value mode, according to
User selects.
Preferably, if described according to the duty parameter, target high-pressure value is determined, comprising: in the ambient temperature
When greater than preset high temperature threshold value, determine that target high-pressure value is the first fixed high-voltage value, and, it is small in the ambient temperature
When preset low temperature threshold, determine that target high-pressure value is the second fixed high-voltage value, then,
First high-voltage value is greater than second high-voltage value.
Preferably, if described according to the duty parameter, target high-pressure value is determined, comprising: in the ambient temperature
When between preset high temperature threshold value and preset low temperature threshold, according to the operation of the ambient temperature and compressor frequency
When target high-pressure value is calculated in rate, then, the running frequency according to the ambient temperature and compressor is calculated
Target high-pressure value, comprising:
When the running frequency of the compressor is less than or equal to preset frequency threshold, by the ambient temperature and
Target high-pressure value is calculated as calculating parameter in the running frequency of compressor；Alternatively,
When the running frequency of the compressor is greater than preset frequency threshold, using the ambient temperature as calculating
Target high-pressure value is calculated in parameter.
It should be noted that either when the running frequency of the compressor is less than or equal to preset frequency threshold,
Using the ambient temperature and the running frequency of compressor as calculating parameter, target high-pressure value is calculated, still, in institute
When stating the running frequency of compressor greater than preset frequency threshold, using the ambient temperature as calculating parameter, calculate
It to target high-pressure value, is obtained by obtaining training data training.
For example, when obtaining 30 DEG C of ambient temperature, the running frequency and system high pressure value of compressor；Obtain external environment
At 35 DEG C of temperature, the running frequency and system high pressure value of compressor；When obtaining 40 DEG C of ambient temperature, the operation frequency of compressor
Rate and system high pressure value；When observing 30 DEG C of ambient temperature respectively, at 35 DEG C of ambient temperature, 40 DEG C of ambient temperature
When, compressor is in which running frequency point, system energy efficiency highest；When according to system energy efficiency highest, ambient temperature, compressor
Running frequency and system high pressure value between relationship, fit fortune of the target high-pressure value about ambient temperature and compressor
The function expression of line frequency.In this way, getting new duty parameter every time, it is input to the function expression, the function representation
Formula can provide a new target high-pressure value.
For example, when 25 DEG C≤ambient temperature≤40 DEG C,
As compressor operating frequency≤45Hz, pass through the function expression of target high-pressure value obtained by the above method are as follows: P
=A1TRingfCompressor+BfCompressor+CTRing+D1；
(P=A1TRingfCompressor+BfCompressor+CTRing+D1)
As compressor operating frequency > 45Hz, pass through the function expression of target high-pressure value obtained by the above method are as follows: P
=A2TRing+D2+A3TRing+D3。
Wherein, the A1、A2、A3、B、C、D1、D2、D3For constant, obtained by above-mentioned approximating method；TRing, indicate external rings
Border temperature；fCompressor, indicate the running frequency of compressor.Due to TRing、fCompressorIt is inconsistent with the unit of target high-pressure value P, it is utilizing
It when above-mentioned formula calculates target high-pressure value, to be first normalized, the unit of unified duty parameter.
It should be noted that the calculation method of this target high-pressure value provided in this embodiment, be suitable for single cylinder, twin-tub and
Other multicylinder compressors, are preferably applied to single cylinder and duplex cylinder compressor.
It is understood that according to different operating conditions, such as different ambient temperatures, different compressors run frequency
Rate calculates separately target high-pressure value, the target high-pressure value calculated can be limited to system energy efficiency highest more accurately
When corresponding ideal high-voltage value range near so that system high pressure control is more accurate.
Preferably, described according to the target high-pressure value, control the operating parameter of outdoor fan, comprising:
If the current high-voltage value of system is greater than or equal to the target high-pressure value, the operation frequency of outdoor fan is increased
Rate, to reduce the high-voltage value of system；Alternatively,
If the current high-voltage value of system is less than the target high-pressure value, the running frequency of outdoor fan is reduced, to mention
The high-voltage value of high system.
It is understood that controlling outdoor fan operation according to target high-pressure value, system high pressure value is controlled in franchise model
In enclosing, system energy efficiency is improved, reduces the idle work of air-blower control, has saved the energy.
Fig. 2 is a kind of flow chart of the control method of the outdoor fan shown according to another exemplary embodiment, referring to figure
2, this method comprises:
Step S21, duty parameter is obtained；The duty parameter includes: ambient temperature, the running frequency of compressor.
Step S22, when the ambient temperature is greater than preset high temperature threshold value, determine that target high-pressure value is fixed
First high-voltage value.
Step S23, when the ambient temperature is less than preset low temperature threshold, determine that target high-pressure value is fixed
Second high-voltage value.
Preferably, first high-voltage value is greater than second high-voltage value.
Step S24, when the ambient temperature is between preset high temperature threshold value and preset low temperature threshold, root
Target high-pressure value is calculated according to the running frequency of the ambient temperature and compressor.
Preferably, target high-pressure value is calculated in the running frequency according to the ambient temperature and compressor,
Include:
When the running frequency of the compressor is less than or equal to preset frequency threshold, by the ambient temperature and
Target high-pressure value is calculated as calculating parameter in the running frequency of compressor；Alternatively,
When the running frequency of the compressor is greater than preset frequency threshold, using the ambient temperature as calculating
Target high-pressure value is calculated in parameter.
Step S25, according to the target high-pressure value, the operating parameter of outdoor fan is controlled, so that outdoor fan institute
The difference of the high-voltage value of the system of category and the target high-pressure value is within a preset range.
Preferably, described according to the target high-pressure value, control the operating parameter of outdoor fan, comprising:
If the current high-voltage value of system is greater than or equal to the target high-pressure value, the operation frequency of outdoor fan is increased
Rate, to reduce the high-voltage value of system；Alternatively,
If the current high-voltage value of system is less than the target high-pressure value, the running frequency of outdoor fan is reduced, to mention
The high-voltage value of high system.
Technical solution provided in this embodiment determines target high-pressure value, target high-pressure value is with work by obtaining duty parameter
The variation of condition parameter and change, compared to the value mode of the wide scope of the fixation of target high-pressure value in the related technology, the present invention is mentioned
The value mode of the dynamic close limit of this target high-pressure value supplied, realizes being precisely controlled for system high pressure, according to the mesh
High-voltage value control outdoor fan operation is marked, by the control of system high pressure value in tolerance, in the tolerance, system is always
Best energy efficiency state is kept, reduces the idle work of air-blower control, reduces power consumption, saved the energy, improve user's
Comfortable sexual experience.
Fig. 3 is a kind of schematic block diagram of the control device 100 of the outdoor fan shown according to another exemplary embodiment, ginseng
See Fig. 3, which includes:
Module 101 is obtained, for obtaining duty parameter；
Determining module 102, for determining target high-pressure value according to the duty parameter；
Control module 103, for controlling the operating parameter of outdoor fan according to the target high-pressure value.
Preferably, the operating parameter of the outdoor fan, comprising: the running frequency of outdoor fan.
It is understood that no matter system is run under what operating condition, when system energy efficiency highest, an always corresponding high pressure
Value, it is preferable that the control method of this outdoor fan provided in this embodiment, the target high-pressure according to determined by duty parameter
Value, target high-pressure value when being system energy efficiency highest.
It is understood that the target high-pressure value can be a data dot values, it is also possible to a data value range,
For example, the data value range that left and right is fluctuated near some data dot values.
The difference of the high-voltage value for making system belonging to the outdoor fan and the target high-pressure value is in preset range
Interior, meaning is exactly by the control of system high pressure value in tolerance, which is what target high-pressure value allowed to fluctuate
Data area value.
Preferably, the duty parameter includes:
Ambient temperature, the running frequency of compressor.
Referring to fig. 4, it is preferable that the determining module 102, comprising:
First determines submodule 1021, for determining mesh when the ambient temperature is greater than preset high temperature threshold value
Marking high-voltage value is the first fixed high-voltage value；And/or
Second determines submodule 1022, when the ambient temperature is less than preset low temperature threshold, determines target height
Pressure value is the second fixed high-voltage value；And/or
Third determines submodule 1023, in the ambient temperature between preset high temperature threshold value and preset low temperature threshold
When between value, target high-pressure value is calculated according to the running frequency of the ambient temperature and compressor.
It should be noted that the high temperature threshold value and low temperature threshold, be all according to historical experience value or experimental data into
Row setting.For example, high temperature threshold value is set as 40 DEG C, low temperature threshold is set as 25 DEG C.It is understood that being controlled for one
For system, either high voltage control or low voltage control can all have a limit, so technical side provided in this embodiment
Case, when the ambient temperature is greater than preset high temperature threshold value and when ambient temperature is less than preset low temperature threshold,
High pressure limitation is done, to ensure the stability and reliability of system.
It should be noted that first high-voltage value and the second high-voltage value, it can be according to historical experience value or experiment number
According to being configured, can also be calculated according to the running frequency of ambient temperature and compressor, specific value mode, according to
User selects.
Preferably, if when the ambient temperature is greater than preset high temperature threshold value, target high-pressure value is determined to fix
The first high-voltage value, and, the ambient temperature be less than preset low temperature threshold when, determine target high-pressure value be it is fixed
When the second high-voltage value,
First high-voltage value is greater than second high-voltage value.
Preferably, target high-pressure value is calculated in the running frequency according to the ambient temperature and compressor,
Include:
When the running frequency of the compressor is less than or equal to preset frequency threshold, by the ambient temperature and
Target high-pressure value is calculated as calculating parameter in the running frequency of compressor；Alternatively,
When the running frequency of the compressor is greater than preset frequency threshold, using the ambient temperature as calculating
Target high-pressure value is calculated in parameter.
It should be noted that either when the running frequency of the compressor is less than or equal to preset frequency threshold,
Using the ambient temperature and the running frequency of compressor as calculating parameter, target high-pressure value is calculated, still, in institute
When stating the running frequency of compressor greater than preset frequency threshold, using the ambient temperature as calculating parameter, calculate
It to target high-pressure value, is obtained by obtaining training data training.
For example, when obtaining 30 DEG C of ambient temperature, the running frequency and system high pressure value of compressor；Obtain external environment
At 35 DEG C of temperature, the running frequency and system high pressure value of compressor；When obtaining 40 DEG C of ambient temperature, the operation frequency of compressor
Rate and system high pressure value；When observing 30 DEG C of ambient temperature respectively, at 35 DEG C of ambient temperature, 40 DEG C of ambient temperature
When, compressor is in which running frequency point, system energy efficiency highest；When according to system energy efficiency highest, ambient temperature, compressor
Running frequency and system high pressure value between relationship, fit fortune of the target high-pressure value about ambient temperature and compressor
The function expression of line frequency.In this way, getting new duty parameter every time, it is input to the function expression, the function representation
Formula can provide a new target high-pressure value.
For example, when 25 DEG C≤ambient temperature≤40 DEG C,
As compressor operating frequency≤45Hz, pass through the function expression of target high-pressure value obtained by the above method are as follows: P
=A1TRingfCompressor+BfCompressor+CTRing+D1；
As compressor operating frequency > 45Hz, pass through the function expression of target high-pressure value obtained by the above method are as follows: P
=A2TRing+D2+A3TRing+D3。
Wherein, the A1、A2、A3、B、C、D1、D2、D3For constant, obtained by above-mentioned approximating method；TRing, indicate external rings
Border temperature；fCompressor, indicate the running frequency of compressor.Due to TRing、fCompressorIt is inconsistent with the unit of target high-pressure value P, it is utilizing
It when above-mentioned formula calculates target high-pressure value, to be first normalized, the unit of unified duty parameter.
It should be noted that the calculation method of this target high-pressure value provided in this embodiment, be suitable for single cylinder, twin-tub and
Other multicylinder compressors, are preferably applied to single cylinder and duplex cylinder compressor.
It is understood that according to different operating conditions, such as different ambient temperatures, different compressors run frequency
Rate calculates separately target high-pressure value, the target high-pressure value calculated can be limited to system energy efficiency highest more accurately
When corresponding ideal high-voltage value range near so that system high pressure control is more accurate.
Preferably, the control module 103, comprising:
Raising frequency module 1031 increases if the high-voltage value current for system is greater than or equal to the target high-pressure value
The running frequency of outdoor fan, to reduce the high-voltage value of system；Alternatively,
Frequency reducing module 1032 reduces outdoor wind if the high-voltage value current for system is less than the target high-pressure value
The running frequency of machine, to improve the high-voltage value of system.
Technical solution provided in this embodiment determines target high-pressure value, target high-pressure value is with work by obtaining duty parameter
The variation of condition parameter and change, compared to the value mode of the wide scope of the fixation of target high-pressure value in the related technology, the present invention is mentioned
The value mode of the dynamic close limit of this target high-pressure value supplied, realizes being precisely controlled for system high pressure, according to the mesh
High-voltage value control outdoor fan operation is marked, by the control of system high pressure value in tolerance, in the tolerance, system is always
Best energy efficiency state is kept, reduces the idle work of air-blower control, reduces power consumption, saved the energy, improve user's
Comfortable sexual experience.
A kind of outdoor fan shown according to another exemplary embodiment, comprising: the control device of above-mentioned outdoor fan.
Technical solution provided in this embodiment determines target high-pressure value, target high-pressure value is with work by obtaining duty parameter
The variation of condition parameter and change, compared to the value mode of the wide scope of the fixation of target high-pressure value in the related technology, the present invention is mentioned
The value mode of the dynamic close limit of this target high-pressure value supplied, realizes being precisely controlled for system high pressure, according to the mesh
High-voltage value control outdoor fan operation is marked, by the control of system high pressure value in tolerance, in the tolerance, system is always
Best energy efficiency state is kept, reduces the idle work of air-blower control, reduces power consumption, saved the energy, improve user's
Comfortable sexual experience.
A kind of air-conditioning system shown according to another exemplary embodiment, comprising: above-mentioned outdoor fan.
Technical solution provided in this embodiment determines target high-pressure value, target high-pressure value is with work by obtaining duty parameter
The variation of condition parameter and change, compared to the value mode of the wide scope of the fixation of target high-pressure value in the related technology, the present invention is mentioned
The value mode of the dynamic close limit of this target high-pressure value supplied, realizes being precisely controlled for system high pressure, according to the mesh
High-voltage value control outdoor fan operation is marked, by the control of system high pressure value in tolerance, in the tolerance, system is always
Best energy efficiency state is kept, reduces the idle work of air-blower control, reduces power consumption, saved the energy, improve user's
Comfortable sexual experience.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
It should be noted that in the description of the present invention, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
Refer at least two.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in a processing module
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
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
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (7)
1. a kind of control method of outdoor fan characterized by comprising
Obtain duty parameter；
According to the duty parameter, target high-pressure value is determined；
According to the target high-pressure value, the operating parameter of outdoor fan is controlled；
The duty parameter includes: ambient temperature, the running frequency of compressor；
It is described according to the duty parameter, determine target high-pressure value, comprising:
When the ambient temperature is greater than preset high temperature threshold value, determine that target high-pressure value is the first fixed high-voltage value；
And/or
When the ambient temperature is less than preset low temperature threshold, determine that target high-pressure value is the second fixed high-voltage value；
And/or
When the ambient temperature is between preset high temperature threshold value and preset low temperature threshold, according to the external rings
Target high-pressure value is calculated in border temperature and the running frequency of compressor；
Wherein, if described according to the duty parameter, target high-pressure value is determined, comprising: in the ambient temperature between pre-
If high temperature threshold value and preset low temperature threshold between when, calculated according to the ambient temperature and the running frequency of compressor
When obtaining target high-pressure value, then, target height is calculated in the running frequency according to the ambient temperature and compressor
Pressure value, comprising:
When the running frequency of the compressor is less than or equal to preset frequency threshold, by the ambient temperature and compression
Target high-pressure value is calculated as calculating parameter in the running frequency of machine；Alternatively,
When the running frequency of the compressor is greater than preset frequency threshold, join the ambient temperature as calculating
Number, is calculated target high-pressure value.
2. the method according to claim 1, wherein determining target high-pressure if described according to the duty parameter
Value, comprising: when the ambient temperature is greater than preset high temperature threshold value, determine that target high-pressure value is the first fixed high pressure
Value, and, when the ambient temperature is less than preset low temperature threshold, determine that target high-pressure value is the second fixed high pressure
Value, then,
First high-voltage value is greater than second high-voltage value.
3. -2 described in any item methods according to claim 1, which is characterized in that the operating parameter of the outdoor fan, comprising:
The running frequency of outdoor fan.
4. according to the method described in claim 3, it is characterized in that, described according to the target high-pressure value, control outdoor fan
Operating parameter, comprising:
If the current high-voltage value of system is greater than the target high-pressure value, the running frequency of outdoor fan is increased, is to reduce
The high-voltage value of system；Alternatively,
If the current high-voltage value of system is less than the target high-pressure value, the running frequency of outdoor fan is reduced, is to improve
The high-voltage value of system.
5. a kind of control device of outdoor fan characterized by comprising
Module is obtained, for obtaining duty parameter；
Determining module, for determining target high-pressure value according to the duty parameter；
Control module, for controlling the operating parameter of outdoor fan according to the target high-pressure value；
Wherein, the duty parameter includes:
Ambient temperature, the running frequency of compressor；
The determining module, comprising:
First determines submodule, for determining target high-pressure value when the ambient temperature is greater than preset high temperature threshold value
For the first fixed high-voltage value；And/or
Second determines submodule, for determining target high-pressure value when the ambient temperature is less than preset low temperature threshold
For the second fixed high-voltage value；And/or
Third determines submodule, for the ambient temperature between preset high temperature threshold value and preset low temperature threshold it
Between when, target high-pressure value is calculated according to the running frequency of the ambient temperature and compressor；
Wherein, if described according to the duty parameter, target high-pressure value is determined, comprising: in the ambient temperature between pre-
If high temperature threshold value and preset low temperature threshold between when, calculated according to the ambient temperature and the running frequency of compressor
When obtaining target high-pressure value, then, target height is calculated in the running frequency according to the ambient temperature and compressor
Pressure value, comprising:
When the running frequency of the compressor is less than or equal to preset frequency threshold, by the ambient temperature and compression
Target high-pressure value is calculated as calculating parameter in the running frequency of machine；Alternatively,
When the running frequency of the compressor is greater than preset frequency threshold, join the ambient temperature as calculating
Number, is calculated target high-pressure value.
6. a kind of outdoor fan characterized by comprising the control device of outdoor fan as claimed in claim 5.
7. a kind of air-conditioning system characterized by comprising outdoor fan as claimed in claim 6.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810862450.XA CN109210672B (en) | 2018-08-01 | 2018-08-01 | A kind of control method of outdoor fan, device, outdoor fan and air-conditioning system |
| PCT/CN2018/121886 WO2020024528A1 (en) | 2018-08-01 | 2018-12-19 | Outdoor fan control method and device, and outdoor fan and air conditioner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810862450.XA CN109210672B (en) | 2018-08-01 | 2018-08-01 | A kind of control method of outdoor fan, device, outdoor fan and air-conditioning system |
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| CN109210672A CN109210672A (en) | 2019-01-15 |
| CN109210672B true CN109210672B (en) | 2019-09-10 |
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| CN111023413A (en) * | 2019-12-18 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
| CN111121176B (en) * | 2020-01-19 | 2022-03-18 | 青岛海信日立空调系统有限公司 | Air condensing units and air conditioner |
| CN114811839B (en) * | 2022-05-10 | 2023-06-02 | 重庆美的通用制冷设备有限公司 | Central air conditioner, control method and device of central air conditioner and readable storage medium |
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| WO2020024528A1 (en) | 2020-02-06 |
| CN109210672A (en) | 2019-01-15 |
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