CN107062542B - Air-conditioning system and its control method of outdoor fan, device - Google Patents
Air-conditioning system and its control method of outdoor fan, device Download PDFInfo
- Publication number
- CN107062542B CN107062542B CN201710225161.4A CN201710225161A CN107062542B CN 107062542 B CN107062542 B CN 107062542B CN 201710225161 A CN201710225161 A CN 201710225161A CN 107062542 B CN107062542 B CN 107062542B
- Authority
- CN
- China
- Prior art keywords
- outdoor
- wind file
- outdoor fan
- current
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of air-conditioning system and its control methods of outdoor fan, device, the described method comprises the following steps: after air-conditioning system starting operation, obtaining the current exhaust gas temperature of compressor；If the current exhaust gas temperature of compressor is less than the first preset temperature, the current operation frequency of current outdoor environment temperature and compressor is then further obtained, and obtains the current minimum allowable wind file and current maximum allowable wind file of outdoor fan corresponding with current outdoor environment temperature and current operation frequency；If current minimum allowable wind file and current maximum allowable wind file are OFF grades, the tube temperature of outdoor heat exchanger is obtained, and judge whether the tube temperature change rate of outdoor heat exchanger is more than or equal to the first default change rate；If it is, the wind file of outdoor fan is directly turned up one grade.To which outdoor fan be adjusted by comprehensively considering system running important factor in order, so that outdoor fan is in optimum Working, guarantee the comfort and reliability of system.
Description
Technical field
The present invention relates to air-conditioning technical field, in particular to control method, one kind of outdoor fan in a kind of air-conditioning system
The control device of outdoor fan and a kind of air-conditioning system in air-conditioning system.
Background technique
As people require the reliability and comfort of air-conditioning system higher and higher, air-conditioning system is to meet people basic
Refrigerating/heating demand while, how to allow its more efficient stable run, become air-conditioning circle issues that need special attention.
The main heat transfer switching equipment that blower exchanges heat as air-conditioning system, the quality of control, largely influences
The heat exchange efficiency and practical effect of air-conditioning system, so, by optimizing control to blower, can blower be begun
Be in optimal operational condition eventually, to effectively improve the heat transfer efficiency and heat-transfer effect of system, guarantee system comfort and can
By property.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
First purpose is to propose a kind of control method of outdoor fan in air-conditioning system, running heavy by comprehensively considering system
Influence factor is wanted outdoor fan to be adjusted, so that outdoor fan is in optimum Working, guarantees the comfort of system
And reliability.
Second object of the present invention is to propose a kind of control device of outdoor fan in air-conditioning system.
Third object of the present invention is to propose a kind of air-conditioning system.
To achieve the above object, first aspect present invention embodiment proposes a kind of control of outdoor fan in air-conditioning system
Method, the air-conditioning system include outdoor unit and indoor unit, and the outdoor unit includes compressor, outdoor heat exchanger and outdoor wind
Machine the described method comprises the following steps: after air-conditioning system starting operation, obtain the current exhaust temperature of the compressor
Degree, and judge the current exhaust gas temperature of the compressor whether less than the first preset temperature；If the compressor works as front row
Temperature degree is less than first preset temperature, then further obtains the current operation of current outdoor environment temperature and the compressor
Frequency, and obtain the outdoor fan corresponding with the current operation frequency of the current outdoor environment temperature and the compressor
Current minimum allowable wind file and current maximum allowable wind file；If the current outdoor environment temperature and the compressor are worked as
The current minimum allowable wind file of the corresponding outdoor fan of preceding running frequency and current maximum allowable wind file are OFF grades, then
The tube temperature of the outdoor heat exchanger is obtained, and it is default to judge whether the tube temperature change rate of the outdoor heat exchanger is more than or equal to first
Change rate；It, directly will be described if the tube temperature change rate of the outdoor heat exchanger is more than or equal to the described first default change rate
The wind file of outdoor fan is turned up one grade.
The control method of outdoor fan in air-conditioning system according to an embodiment of the present invention, after air-conditioning system starting operation,
It obtains the current exhaust gas temperature of compressor and it is judged, if the current exhaust gas temperature of compressor is less than the first default temperature
Degree, then further obtain corresponding with the current operation frequency of current outdoor environment temperature and compressor outdoor fan currently most
Small permission wind file and current maximum allowable wind file.If current minimum allowable wind file and current maximum allowable wind file are OFF grades,
Then when the tube temperature change rate of outdoor heat exchanger is more than or equal to the first default change rate, the wind file of outdoor fan is directly turned up one
Shelves.To which outdoor fan be adjusted by comprehensively considering system running important factor in order, so that outdoor fan
In optimum Working, guarantee the comfort and reliability of system.
According to one embodiment of present invention, it is preset if the tube temperature change rate of the outdoor heat exchanger is less than described first
Change rate is then adjusted according to the tube temperature of the outdoor heat exchanger according to wind file of second predetermined manner to the outdoor fan
Section.
According to one embodiment of present invention, if the current operation of the current outdoor environment temperature and the compressor
At least one in the current minimum allowable wind file of the corresponding outdoor fan of frequency and current maximum allowable wind file is non-OFF
Shelves, then be adjusted according to the tube temperature of the outdoor heat exchanger according to wind file of first predetermined manner to the outdoor fan.
According to one embodiment of present invention, the tube temperature according to the outdoor heat exchanger is according to the first predetermined manner pair
The wind file of the outdoor fan is adjusted, comprising: obtains the tube temperature of the outdoor heat exchanger every the first preset time, and right
The tube temperature of the outdoor heat exchanger is judged；If the tube temperature of the outdoor heat exchanger is more than or equal to the first default tube temperature,
The wind file of the outdoor fan is turned up one grade, until the wind file of the outdoor fan reaches highest wind file；If the outdoor
The tube temperature of heat exchanger is less than the described first default tube temperature and is more than or equal to the second default tube temperature, then keeps the wind of the outdoor fan
Shelves are constant；If the tube temperature of the outdoor heat exchanger is less than the described second default tube temperature, by the wind file tune of the outdoor fan
Low one grade, until the wind file of the outdoor fan reaches minimum wind file.
According to one embodiment of present invention, the tube temperature according to the outdoor heat exchanger is according to the second predetermined manner pair
The wind file of the outdoor fan is adjusted, comprising: obtains the tube temperature of the outdoor heat exchanger, and to the outdoor heat exchanger
Tube temperature is judged；If the tube temperature of the outdoor heat exchanger, which is more than or equal to third, presets tube temperature, directly by the outdoor wind
The wind file of machine is adjusted to minimum wind file；If the tube temperature of the outdoor heat exchanger, directly will be described less than the 4th default tube temperature
The wind file of outdoor fan is adjusted to OFF grades described, wherein the 4th default tube temperature is less than the third and presets tube temperature；Delay
After second preset time, the corresponding institute of the current operation frequency of the current outdoor environment temperature and the compressor is judged again
Whether the current minimum allowable wind file and current maximum allowable wind file for stating outdoor fan are OFF grades.
According to one embodiment of present invention, if the current exhaust gas temperature of the compressor is more than or equal to described first in advance
If temperature and less than the second preset temperature, then further judge whether the outdoor fan is in OFF grades；If the outdoor wind
Machine is not in OFF grades described, then the current operation frequency according to the current outdoor environment temperature and the compressor is corresponding
The wind file of the outdoor fan is adjusted in the current minimum allowable wind file of the outdoor fan and current maximum allowable wind file；
If the outdoor fan is in described OFF grades, the wind file of the outdoor fan is directly adjusted to minimum wind file.
According to one embodiment of present invention, if the current exhaust gas temperature of the compressor is more than or equal to described second in advance
If temperature, then the wind file of the outdoor fan is directly adjusted to highest wind file.
To achieve the above object, second aspect of the present invention embodiment proposes a kind of control of outdoor fan in air-conditioning system
Device, the air-conditioning system include outdoor unit and indoor unit, and the outdoor unit includes compressor, outdoor heat exchanger and outdoor wind
Machine, described device include: acquisition module, for after air-conditioning system starting operation, obtain the compressor to work as front row
Temperature degree；Judgment module, for judging the current exhaust gas temperature of the compressor whether less than the first preset temperature；Adjust mould
Block, when for judging that the current exhaust gas temperature of the compressor is less than first preset temperature in the judgment module, into one
Step by it is described acquisition module obtain current outdoor environment temperature and the compressor current operation frequency, and acquisition with it is described
The current minimum allowable wind of the corresponding outdoor fan of the current operation frequency of current outdoor environment temperature and the compressor
Shelves and current maximum allowable wind file, wherein if the current operation frequency of the current outdoor environment temperature and the compressor
The current minimum allowable wind file of the corresponding outdoor fan and current maximum allowable wind file are OFF grades, the adjustment module
The tube temperature of the outdoor heat exchanger is then obtained by the acquisition module, and judges that the tube temperature change rate of the outdoor heat exchanger is
It is no to be more than or equal to the first default change rate, and it is more than or equal to the described first default change in the tube temperature change rate of the outdoor heat exchanger
When rate, the wind file of the outdoor fan is directly turned up one grade.
The control device of outdoor fan in air-conditioning system according to an embodiment of the present invention, after air-conditioning system starting operation,
It obtains the current exhaust gas temperature of compressor and it is judged, if the current exhaust gas temperature of compressor is less than the first default temperature
Degree, then further obtain corresponding with the current operation frequency of current outdoor environment temperature and compressor outdoor fan currently most
Small permission wind file and current maximum allowable wind file.If current minimum allowable wind file and current maximum allowable wind file are OFF grades,
Then when the tube temperature change rate of outdoor heat exchanger is more than or equal to the first default change rate, the wind file of outdoor fan is directly turned up one
Shelves.To which outdoor fan be adjusted by comprehensively considering system running important factor in order, so that outdoor fan
In optimum Working, guarantee the comfort and reliability of system.
According to one embodiment of present invention, it is preset if the tube temperature change rate of the outdoor heat exchanger is less than described first
Change rate, the adjustment module then according to the tube temperature of the outdoor heat exchanger according to the second predetermined manner to the outdoor fan
Wind file is adjusted.
According to one embodiment of present invention, if the current operation of the current outdoor environment temperature and the compressor
At least one in the current minimum allowable wind file of the corresponding outdoor fan of frequency and current maximum allowable wind file is non-OFF
Shelves, the adjustment module then according to the tube temperature of the outdoor heat exchanger according to the first predetermined manner to the wind file of the outdoor fan
It is adjusted.
According to one embodiment of present invention, the adjustment module is pre- according to first according to the tube temperature of the outdoor heat exchanger
If the wind file of the outdoor fan is adjusted in mode, wherein the adjustment module passes through institute every the first preset time
It states acquisition module and obtains the tube temperature of the outdoor heat exchanger, and the tube temperature of the outdoor heat exchanger is judged；If described
The tube temperature of outdoor heat exchanger is more than or equal to the first default tube temperature, and the wind file of the outdoor fan is then turned up one by the adjustment module
Shelves, until the wind file of the outdoor fan reaches highest wind file；If it is pre- that the tube temperature of the outdoor heat exchanger is less than described first
If tube temperature and being more than or equal to the second default tube temperature, the adjustment module then keeps the wind file of the outdoor fan constant；If institute
The tube temperature for stating outdoor heat exchanger is less than the described second default tube temperature, and the adjustment module then turns down the wind file of the outdoor fan
One grade, until the wind file of the outdoor fan reaches minimum wind file.
According to one embodiment of present invention, the adjustment module is pre- according to second according to the tube temperature of the outdoor heat exchanger
If the wind file of the outdoor fan is adjusted in mode, wherein the adjustment module obtains institute by the acquisition module
The tube temperature of outdoor heat exchanger is stated, and the tube temperature of the outdoor heat exchanger is judged；If the tube temperature of the outdoor heat exchanger
Tube temperature is preset more than or equal to third, the wind file of the outdoor fan is then directly adjusted to minimum wind file by the adjustment module；Such as
The tube temperature of outdoor heat exchanger described in fruit is less than the 4th default tube temperature, and the adjustment module is then directly by the wind file of the outdoor fan
It is adjusted to OFF grades described, wherein the 4th default tube temperature is less than the third and presets tube temperature；It is delayed after the second preset time,
The adjustment module judges that the current operation frequency of the current outdoor environment temperature and the compressor is corresponding described again
Whether the current minimum allowable wind file of outdoor fan and current maximum allowable wind file are OFF grades.
According to one embodiment of present invention, if the current exhaust gas temperature of the compressor is more than or equal to described first in advance
If temperature and less than the second preset temperature, the adjustment module then further judges whether the outdoor fan is in OFF grades；Such as
Outdoor fan described in fruit is not in OFF grades described, and the adjustment module is then according to the current outdoor environment temperature and the pressure
The current minimum allowable wind file of the corresponding outdoor fan of the current operation frequency of contracting machine and current maximum allowable wind file are to institute
The wind file for stating outdoor fan is adjusted；If the outdoor fan is in described OFF grades, directly by institute if the adjustment module
The wind file for stating outdoor fan is adjusted to minimum wind file.
According to one embodiment of present invention, if the current exhaust gas temperature of the compressor is more than or equal to described second in advance
If temperature, the wind file of the outdoor fan is then directly adjusted to highest wind file by the adjustment module.
To achieve the above object, third aspect present invention embodiment proposes a kind of air-conditioning system comprising above-mentioned sky
The control device of outdoor fan in adjusting system.
The air-conditioning system of the embodiment of the present invention enables to outdoor fan by the control device of above-mentioned outdoor fan
Always it is in optimum Working, guarantees the comfort and reliability of system.
Detailed description of the invention
Fig. 1 is the flow chart of the control method of outdoor fan in air-conditioning system according to an embodiment of the present invention；
Fig. 2 is according to an embodiment of the invention to be shown with what wind file of second predetermined manner to outdoor fan was adjusted
It is intended to；
Fig. 3 is according to an embodiment of the invention to be shown with what wind file of first predetermined manner to outdoor fan was adjusted
It is intended to；
Fig. 4 is the flow chart of the control method of outdoor fan in air-conditioning system according to an embodiment of the invention；
Fig. 5 is the block diagram of the control device of outdoor fan in air-conditioning system according to an embodiment of the present invention；And
Fig. 6 is the block diagram of air-conditioning system according to an embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
With reference to the accompanying drawings come describe the control method of outdoor fan in the air-conditioning system proposed according to embodiments of the present invention,
The control device and air-conditioning system of outdoor fan in air-conditioning system.
Fig. 1 is the flow chart of the control method of outdoor fan in air-conditioning system according to an embodiment of the present invention.In the present invention
Embodiment in, air-conditioning system includes outdoor unit and indoor unit, and outdoor unit includes compressor, outdoor heat exchanger and outdoor fan.
As shown in Figure 1, the control method of outdoor fan can comprise the following steps that in the air-conditioning system
S1 obtains the current exhaust gas temperature of compressor after air-conditioning system starting operation, and judges that working as compressor is front-seat
Whether temperature degree is less than the first preset temperature.Wherein, the first preset temperature can be demarcated according to the actual situation.
S2, if the current exhaust gas temperature of compressor further obtains current outdoor environment less than the first preset temperature
The current operation frequency of temperature and compressor, and obtain corresponding with the current operation frequency of current outdoor environment temperature and compressor
Outdoor fan current minimum allowable wind file and current maximum allowable wind file.
Specifically, outdoor environment temperature can be divided into multiple temperature stages, the running frequency of compressor is divided into multiple frequencies
Then the rate stage is permitted by the minimum that experiment test obtains outdoor fan corresponding to different temperatures stage, different frequency stage
Perhaps wind file Wmin and maximum allowable wind file Wmax, it is specific as shown in table 1.
Table 1
Wherein, W1~W11 is merely representative of wind file symbol, and is not specific to specific wind file size.For example, W4 and W9 are not
Refer in particular to the 4th wind file and the 9th wind file, it is more likely that both the second wind files.
Then table 1 is stored in advance into air-conditioning system, when the current exhaust gas temperature of compressor is less than the first preset temperature
When, the current operation frequency F of current outdoor environment temperature Th and compressor are obtained, and current outdoor environment temperature is judged according to table 1
Temperature stage locating for Th is spent, while judging the frequency stage locating for the current operation frequency F of compressor, it is corresponding minimum fair to obtain
Perhaps wind file Wmin and maximum allowable wind file Wmax.For example, when current outdoor environment temperature Th is in temperature stage Th < b, and press
When the current operation frequency F of contracting machine is in frequency stage F < f1, the minimum allowable wind file Wmin=OFF of corresponding outdoor fan,
Maximum allowable wind file Wmax=OFF；When current outdoor environment temperature Th is in temperature stage b≤Th < a, and compressor is current
When running frequency F is in frequency stage F < f1, the minimum allowable wind file Wmin=OFF of corresponding outdoor fan, maximum allowable wind
Shelves Wmax=W7.
S3, if the current minimum of the corresponding outdoor fan of the current operation frequency of current outdoor environment temperature and compressor
Allowing wind file and current maximum allowable wind file is OFF grades, then obtains the tube temperature of outdoor heat exchanger, and judge outdoor heat exchanger
Whether tube temperature change rate is more than or equal to the first default change rate.Wherein, the first default change rate can be marked according to the actual situation
It is fixed.
S4, if the tube temperature change rate of outdoor heat exchanger is more than or equal to the first default change rate, directly by outdoor fan
Wind file be turned up one grade.
That is, if the current exhaust gas temperature Tp of compressor is relatively low, that is, being compressed after air-conditioning system starting operation
The current exhaust gas temperature Tp of machine illustrates that the total load of current indoor machine is relatively low, can enter at this time less than the first preset temperature T1
Tube temperature control logic is adjusted outdoor fan according to the tube temperature of outdoor heat exchanger.
Specifically, usually after air-conditioning system receives booting operating instruction, outdoor fan can be controlled first with highest wind file
Operation a period of time (such as 20s), then control room exogenous wind machine-cut shifts to actually required wind file, e.g., when being run according to booting in room
The wind file that the total load of machine determines, the wind file may be outdoor fan any wind file or OFF grades (outdoor fan shutdown).
After control room exogenous wind machine-cut shifts to actually required wind file, the current exhaust gas temperature Tp of compressor is obtained, and to it
Judged.If the current exhaust gas temperature Tp of compressor enters the tube temperature of outdoor heat exchanger less than the first preset temperature T1
Control logic first judges the corresponding outdoor current operation frequency F of current outdoor environment temperature Th and compressor according to table 1 at this time
Whether the current minimum allowable wind file Wmin of blower and current maximum allowable wind file Wmax is OFF grades.If it is, obtaining room
The tube temperature Tg of external heat exchanger, and the tube temperature change rate of outdoor heat exchanger in preset time is calculated, for example, tube temperature change rate A=
(Tg-Tg0)/[Tg0* (t-t0)], wherein Tg is the tube temperature of the outdoor heat exchanger of current time detection, and Tg0 is previous moment inspection
The tube temperature of the outdoor heat exchanger of survey, t-t0 are the time difference at current time and previous moment.Then, judging tube temperature change rate A is
It is no to be more than or equal to the first default change rate B, if it is, illustrate that the total load of current indoor machine has large change, can directly by
The wind file of outdoor fan is turned up one grade, to improve the heat-transfer effect of system, guarantees the comfort and reliability of system.
Further, according to one embodiment of present invention, if the tube temperature change rate of outdoor heat exchanger is pre- less than first
If change rate, then it is adjusted according to the tube temperature of outdoor heat exchanger according to wind file of second predetermined manner to outdoor fan.
According to one embodiment of present invention, according to the tube temperature of outdoor heat exchanger according to the second predetermined manner to outdoor fan
Wind file be adjusted, comprising: obtain the tube temperature of outdoor heat exchanger, and the tube temperature of outdoor heat exchanger judged；If room
The tube temperature of external heat exchanger is more than or equal to third and presets tube temperature, then the wind file of outdoor fan is directly adjusted to minimum wind file；If
The wind file of outdoor fan is then directly adjusted to OFF grades less than the 4th default tube temperature by the tube temperature of outdoor heat exchanger；Delay second is pre-
If after the time, judge again the corresponding outdoor fan of the current operation frequency of current outdoor environment temperature and compressor it is current most
Whether small permission wind file and current maximum allowable wind file are OFF grades.Wherein, the 4th default tube temperature is less than the default tube temperature of third,
Third is preset tube temperature, the 4th default tube temperature and the second preset time and can be demarcated according to the actual situation.
Specifically, after entering tube temperature control logic, if the current operation of current outdoor environment temperature Th and compressor
The current minimum allowable wind file Wmin of the corresponding outdoor fan of frequency F and current maximum allowable wind file Wmax is OFF grades, example
Such as, situation corresponding to temperature stage Th < b in table 1, also, the tube temperature change rate A of outdoor heat exchanger is less than the first default change
Rate B is then adjusted with wind file of second predetermined manner to outdoor fan.
As shown in Fig. 2, when the current exhaust gas temperature Tp of compressor is less than T1, into tube temperature control logic.If Tg >=
Third presets tube temperature T23, then is minimum wind file by the wind file forced adjustment of outdoor fan；If the default tube temperature T24 of Tg < the 4th,
Outdoor fan is then adjusted to OFF grades.After second preset time that is delayed (such as 60s), current outdoor environment temperature Th is judged again
The current minimum allowable wind file Wmin of outdoor fan corresponding with the current operation frequency F of compressor and current maximum allowable wind file
Whether Wmax is OFF gear.If the corresponding outdoor wind of the current operation frequency F of current outdoor environment temperature Th and compressor
The current minimum allowable wind file Wmin of machine and current maximum allowable wind file Wmax is still OFF grades, and outdoor heat exchanger
Tube temperature change rate A change rate B default less than first then continues to be adjusted with wind file of second predetermined manner to outdoor fan；
If the current minimum allowable wind file of the corresponding outdoor fan of the current operation frequency F of current outdoor environment temperature Th and compressor
Wmin and current maximum allowable wind file Wmax is still OFF grades, and the tube temperature change rate A of outdoor heat exchanger is more than or equal to first
Default change rate B, then be turned up one grade for the wind file of outdoor fan ..., repeat, until the current exhaust gas temperature Tp of compressor
More than or equal to T1, tube temperature control logic is exited.
In addition, after entering tube temperature control logic, if the current operation frequency of current outdoor environment temperature Th and compressor
There are OFF grades non-, examples in the current minimum allowable wind file Wmin of the corresponding outdoor fan of rate F and current maximum allowable wind file Wmax
Such as, except in the case of temperature stage Th < b is corresponding in table 1, then how this controls outdoor fan at this time.
According to one embodiment of present invention, if the current operation frequency of current outdoor environment temperature and compressor is corresponding
Outdoor fan current minimum allowable wind file and current maximum allowable wind file at least one be non-OFF grades, then according to room
The tube temperature of external heat exchanger is adjusted according to wind file of first predetermined manner to outdoor fan.
According to one embodiment of present invention, according to the tube temperature of outdoor heat exchanger according to the first predetermined manner to outdoor fan
Wind file be adjusted, comprising: the tube temperature of outdoor heat exchanger is obtained every the first preset time, and to the tube temperature of outdoor heat exchanger
Judged；If the tube temperature of outdoor heat exchanger is more than or equal to the first default tube temperature, the wind file of outdoor fan is turned up one grade,
Until the wind file of outdoor fan reaches highest wind file；If the tube temperature of outdoor heat exchanger is less than the first default tube temperature and is more than or equal to
Second default tube temperature, then keep the wind file of outdoor fan constant；If the tube temperature of outdoor heat exchanger less than the second default tube temperature,
The wind file of outdoor fan is turned down one grade, until the wind file of outdoor fan reaches minimum wind file.Wherein, the first preset time,
One default tube temperature and the second default tube temperature can be demarcated according to the actual situation.
Specifically, after entering tube temperature control logic, if the current operation of current outdoor environment temperature Th and compressor
At least one in the current minimum allowable wind file Wmin of the corresponding outdoor fan of frequency F and current maximum allowable wind file Wmax is not
It is OFF grades, then being adjusted at this time with wind file of first predetermined manner to outdoor fan.
As shown in figure 3, when the current exhaust gas temperature Tp of compressor is less than T1, into tube temperature control logic.If Tg >=
The wind file of outdoor fan can be then turned up one grade by the first default tube temperature T21；If second default tube temperature T22≤Tg < T21,
Keep the wind file of outdoor fan constant；If Tg < T22, turns down one grade for the wind file of outdoor fan.Be delayed first it is default when
Between after (such as 20s), obtain the tube temperature of outdoor heat exchanger again and it judged, if Tg >=T21, continue outdoor wind
One grade (if wind file reaches highest wind file, stopping being turned up) is turned up in the wind file of machine；If T22≤Tg < T21, continues to keep
The wind file of outdoor fan is constant；If Tg < T22, continue to turn down the wind file of outdoor fan one grade (if wind file reaches most
Low wind file, then stop turn down), be delayed the first preset time after, again obtain outdoor heat exchanger tube temperature and it is sentenced
It is disconnected ..., it repeats, until the current exhaust gas temperature Tp of compressor is more than or equal to T1, exits tube temperature control logic.
Therefore, in air-conditioning system according to an embodiment of the present invention outdoor fan control method, air-conditioning system start transport
After row, if the current exhaust gas temperature of compressor less than the first preset temperature, according to the tube temperature of outdoor heat exchanger, outdoor environment
The wind file of outdoor fan is adjusted in temperature and the running frequency of compressor, so that outdoor fan is in best effort shape always
State effectively improves the heat-transfer effect and heat transfer efficiency of system, guarantees the comfort and reliability of system.
Further, according to one embodiment of present invention, if the current exhaust gas temperature of compressor is more than or equal to first
Preset temperature and less than the second preset temperature, then further judge whether outdoor fan is in OFF grades；If outdoor fan is not located
In OFF grades, then according to the current minimum of the corresponding outdoor fan of current operation frequency of current outdoor environment temperature and compressor
Allow wind file and current maximum allowable wind file that the wind file of outdoor fan is adjusted；If outdoor fan is in OFF grades, directly
It connects and the wind file of outdoor fan is adjusted to minimum wind file.Wherein, the second preset temperature can be demarcated according to the actual situation.
Specifically, can first be transported after air-conditioning system receives booting operating instruction with highest wind file control outdoor fan
Row a period of time (such as 20s), then control room exogenous wind machine-cut shifts to actually required wind file, e.g., indoor unit when being run according to booting
Total load determine wind file, the wind file may be outdoor fan any wind file or OFF grades.
After control room exogenous wind machine-cut shifts to actually required wind file, it is introduced into the delivery temperature control logic of compressor, that is,
The current exhaust gas temperature Tp of compressor is obtained, and it is judged.If it is default that current exhaust gas temperature Tp is more than or equal to first
Temperature T1 and less than the second preset temperature T2, i.e. T1≤Tp < T2, then further judge whether current outdoor blower is in OFF
Shelves.If current outdoor blower is in OFF grades, the wind file of outdoor fan can suitably be turned up, such as by the gear of outdoor fan
It is turned up to minimum wind file and guarantees the heat exchange demand of system to increase the heat exchange amount of outdoor heat exchanger；If current outdoor blower is not
It, then can be according to the current operation frequency F of current outdoor environment temperature Th and compressor to the wind file of outdoor fan in OFF grades
It is adjusted in real time.For example, can first judge temperature stage locating for current outdoor environment temperature Th according to table 1, while judging to compress
The frequency stage locating for the current operation frequency F of machine, it is assumed that current outdoor environment temperature Th is in temperature stage b≤Th < a, and
The current operation frequency F of compressor is in frequency stage F < f1, then the minimum allowable wind file Wmin=of corresponding outdoor fan
OFF, maximum allowable wind file Wmax=W7.Then, by the wind file of outdoor fan be limited in OFF grades between W7 (including OFF grades and
W7).If current exhaust gas temperature Tp switches to tube temperature control logic (as previously mentioned, here not less than the first preset temperature T1
It repeats again).To so that outdoor fan reaches optimum Working, effectively improve under conditions of meeting heating refrigeration demand
The heat transfer efficiency and heat-transfer effect of system guarantee comfort, reliability and the energy saving of system.
Further, according to one embodiment of present invention, if the current exhaust gas temperature of compressor is more than or equal to second
The wind file of outdoor fan is then directly adjusted to highest wind file by preset temperature.
That is, after entering delivery temperature control logic, if it is determined that the current exhaust gas temperature Tp of compressor compares
Height, i.e. Tp >=T2 then illustrate that current indoor machine load is relatively high, and required heat exchange amount is bigger, at this time can be directly by outdoor fan
Wind file be adjusted to highest wind file so that system heat transfer effect reaches maximum, guarantee the comfort and reliability of system.
In addition, it is necessary to which explanation, carrys out switchback between delivery temperature control logic and tube temperature control logic to reduce
It changes, third preset temperature T3 (T3 > T1) can be increased, i.e., as Tp < T1, outdoor fan is carried out according to tube temperature control logic
It adjusts；As Tp >=T3, outdoor fan is adjusted according to delivery temperature control logic.
Therefore, in air-conditioning system according to an embodiment of the present invention outdoor fan control method, air-conditioning system start transport
After row, if the current exhaust gas temperature of compressor is more than or equal to the first preset temperature, according to the delivery temperature of compressor, outdoor
The wind file of outdoor fan is adjusted in environment temperature and the running frequency of compressor, so that outdoor fan is in best work always
Make state, effectively improve the heat-transfer effect and heat transfer efficiency of system, to guarantee the comfort and reliability of system.
To make those skilled in the art better understand the present invention, Fig. 4 is the sky of a specific example according to the present invention
The flow chart of the control method of outdoor fan in adjusting system.As shown in figure 4, the control method of outdoor fan can in the air-conditioning system
The following steps are included:
S101, booting.
S102, outdoor fan run 20s with highest wind file.
S103 judges whether T1≤Tp < T2 is true.If so, executing step S104；If not, executing step S107.
Wherein, T1 is the first preset temperature, and T2 is the second preset temperature, and Tp is the current exhaust gas temperature of compressor.
S104 judges whether the wind file of outdoor fan is OFF grades.If so, executing step S105；If not, executing step
Rapid S106.
S105, the wind file of outdoor fan are minimum wind file (such as first wind file).
S106 adjusts the wind file of outdoor fan according to Th and F.Wherein, Th is current outdoor environment temperature, and F is compressor
Current operation frequency, specifically how to adjust can be found in it is previously mentioned.
S107 judges whether Tp >=T2 is true.If so, executing step S108；If not, executing step S109.
S108, the wind file of outdoor fan are highest wind file.
S109 judges whether Tp < T1 is true.If so, executing step S110；If not, return step S103.
S110 detects Th and F.
S111 judges Th and F corresponding Wmin and Wmax.Wherein, Wmin is the current minimum allowable wind file of outdoor fan,
Wmax is the current maximum allowable wind file of outdoor fan.
S112, if Wmin=OFF and Wmax=OFF, then follow the steps S120；Otherwise, step S113 is executed.
S113 adjusts the wind file of outdoor fan according to the first predetermined manner.
S114 judges whether Tg >=T21 is true.If so, executing step S115；If not, executing step S116.Its
In, T21 is the first default tube temperature.
The wind file of S115, outdoor fan are turned up one grade.
S116 judges whether Tg < T22 is true.If so, executing step S117；If not, executing step S118.Its
In, T22 is the second default tube temperature.
S117, the wind file of outdoor fan turn down one grade.
S118 judges whether T22≤Tg < T21 is true.If so, executing step S119.
S119 keeps the current wind file of outdoor fan constant.
S120 judges whether A >=B is true.If so, executing step S121；If not, executing step S122.Wherein, A
For the tube temperature change rate of outdoor heat exchanger, B is the first default change rate.
The wind file of S121, outdoor fan are turned up one grade.
S122 adjusts the wind file of outdoor fan according to the second predetermined manner.
S123 judges whether Tg >=T23 is true.If so, executing step S124；If not, executing step S125.Its
In, T23 is that third presets tube temperature.
S124, the wind file of outdoor fan are minimum wind file.
S125 judges whether Tg < T24 is true.If so, executing step S126；If not, return step S122.Its
In, T24 is the 4th default tube temperature.
S126, outdoor fan wind file are OFF grades.
S127 obtains Th and F, and judges Th and F corresponding Wmin and Wmax.
S128, if Wmin=OFF and Wmax=OFF, return step S120；Otherwise, return step S113.
In conclusion in air-conditioning system according to an embodiment of the present invention outdoor fan control method, arranged according to compressor
Temperature degree, the tube temperature of outdoor heat exchanger, the running frequency of outdoor environment temperature and compressor, comprehensively consider each great influence because
Element adjusts the revolving speed of outdoor fan in real time, is not only being able to satisfy system high temperature heat transfer requirements, but also be able to satisfy under low-temperature condition to air quantity
Under conditions of heat exchange demand so that outdoor fan is in optimal operational condition always, thus guarantee system comfort and can
By property.
Fig. 5 is the block diagram of the control device of outdoor fan in air-conditioning system according to an embodiment of the present invention.At this
In the embodiment of invention, as shown in fig. 6, air-conditioning system includes outdoor unit 100 and indoor unit 200, outdoor unit 100 includes compressor
110, outdoor heat exchanger 120 and outdoor fan 130.
As shown in figure 5, the control device 140 of outdoor fan 130 includes: to obtain module 141, judge mould in the air-conditioning system
Block 142 and adjustment module 143.
Wherein, it obtains module 141 to be used for after air-conditioning system starting operation, obtains the current exhaust gas temperature of compressor 110；
Whether judgment module 142 is used to judge the current exhaust gas temperature of compressor 110 less than the first preset temperature；Adjustment module 143 is used
When judging the current exhaust gas temperature of compressor 110 in judgment module 142 less than the first preset temperature, further by obtaining mould
Block 141 obtain current outdoor environment temperature and compressor 110 current operation frequency, and obtain with current outdoor environment temperature and
The current minimum allowable wind file of the corresponding outdoor fan 130 of the current operation frequency of compressor 110 and current maximum allowable wind file,
Wherein, if the current minimum of the corresponding outdoor fan 130 of the current operation frequency of current outdoor environment temperature and compressor 110
Allowing wind file and current maximum allowable wind file is OFF grades, and adjustment module 143 then obtains outdoor heat exchange by obtaining module 141
The tube temperature of device 120, and judge whether the tube temperature change rate of outdoor heat exchanger 120 is more than or equal to the first default change rate, and in room
When the tube temperature change rate of external heat exchanger 120 is more than or equal to the first default change rate, the wind file of outdoor fan 130 is directly turned up one
Shelves.
According to one embodiment of present invention, if the tube temperature change rate of outdoor heat exchanger 120 is less than the first default variation
Rate, adjustment module 143 then according to the tube temperature of outdoor heat exchanger 120 according to the second predetermined manner to the wind file of outdoor fan 130 into
Row is adjusted.
According to one embodiment of present invention, if the current operation frequency of current outdoor environment temperature and compressor 110
At least one in the current minimum allowable wind file of corresponding outdoor fan 130 and current maximum allowable wind file is non-OFF grades, is adjusted
Section module 143 is then adjusted according to the tube temperature of outdoor heat exchanger 120 according to wind file of first predetermined manner to outdoor fan 130
Section.
According to one embodiment of present invention, adjustment module 142 is default according to first according to the tube temperature of outdoor heat exchanger 120
When the wind file of outdoor fan 130 is adjusted in mode, wherein adjustment module 143 is every the first preset time by obtaining mould
Block 141 obtains the tube temperature of outdoor heat exchanger 120, and judges the tube temperature of outdoor heat exchanger 120；If outdoor heat exchanger
120 tube temperature is more than or equal to the first default tube temperature, and the wind file of outdoor fan 130 is then turned up one grade by adjustment module 143, until room
The wind file of outer blower 130 reaches highest wind file；If the tube temperature of outdoor heat exchanger 120 is less than the first default tube temperature and is more than or equal to
Second default tube temperature, adjustment module 143 then keep the wind file of outdoor fan 130 constant；If the tube temperature of outdoor heat exchanger 120 is small
In the second default tube temperature, the wind file of outdoor fan 130 is then turned down one grade by adjustment module 143, until the wind file of outdoor fan 130
Reach minimum wind file.
According to one embodiment of present invention, adjustment module 143 is default according to second according to the tube temperature of outdoor heat exchanger 120
When the wind file of outdoor fan 130 is adjusted in mode, wherein adjustment module 143 obtains outdoor heat exchange by obtaining module 141
The tube temperature of device 120, and the tube temperature of outdoor heat exchanger 120 is judged；If the tube temperature of outdoor heat exchanger 120 is more than or equal to the
The wind file of outdoor fan 130 is then directly adjusted to minimum wind file by three default tube temperatures, adjustment module 143；If outdoor heat exchanger
The wind file of outdoor fan 130 is then directly adjusted to OFF grades less than the 4th default tube temperature, adjustment module 143 by 120 tube temperature,
In, the 4th default tube temperature is less than third and presets tube temperature；It is delayed after the second preset time, adjustment module 143 judges to work as cup again
The current minimum allowable wind file of the corresponding outdoor fan 130 of the current operation frequency of external environment temperature and compressor 110 and current
Whether maximum allowable wind file is OFF grades.
According to one embodiment of present invention, if the current exhaust gas temperature of compressor 110 is more than or equal to the first default temperature
Degree and less than the second preset temperature, adjustment module 143 then further judge whether outdoor fan 130 is in OFF grades；If outdoor
Blower 130 is not in OFF grades, and adjustment module 143 is then according to the current operation frequency of current outdoor environment temperature and compressor 110
The current minimum allowable wind file of corresponding outdoor fan 130 and current maximum allowable wind file carry out the wind file of outdoor fan 130
It adjusts；If outdoor fan 130 is in OFF grades, the wind file of outdoor fan 130 is directly adjusted to minimum by adjustment module 143 ifs
Wind file.
According to one embodiment of present invention, if the current exhaust gas temperature of compressor 110 is more than or equal to the second default temperature
The wind file of outdoor fan 130 is then directly adjusted to highest wind file by degree, adjustment module 143.
It should be noted that undisclosed details in the control device of outdoor fan in the air-conditioning system of the embodiment of the present invention
The details disclosed in the control method of outdoor fan in the air-conditioning system of the embodiment of the present invention is referred to, I will not elaborate.Separately
Outside, the control device 140 of the outdoor fan of the embodiment of the present invention can be integrated in the controller in outdoor unit 100 (such as MCU).
The control device of outdoor fan in air-conditioning system according to an embodiment of the present invention, according to compressor exhaust temperature, room
Tube temperature, the running frequency of outdoor environment temperature and compressor of external heat exchanger, comprehensively consider each important factor in order, adjust in real time
The revolving speed for saving outdoor fan, is not only being able to satisfy system high temperature heat transfer requirements, but also being able to satisfy under low-temperature condition need to air quantity and heat exchange
Under conditions of asking, so that outdoor fan is in optimal operational condition always, to guarantee the comfort and reliability of system.
In addition, the embodiment of the present invention also proposed a kind of air-conditioning system comprising outdoor wind in above-mentioned air-conditioning system
The control device of machine.
The air-conditioning system of the embodiment of the present invention enables to outdoor fan by the control device of above-mentioned outdoor fan
Always it is in optimum Working, guarantees the comfort and reliability of system.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
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 (15)
1. the control method of outdoor fan in a kind of air-conditioning system, which is characterized in that the air-conditioning system includes outdoor unit and room
Interior machine, the outdoor unit include compressor, outdoor heat exchanger and outdoor fan, be the described method comprises the following steps:
After air-conditioning system starting operation, the current exhaust gas temperature of the compressor is obtained, and judge the compressor
Whether current exhaust gas temperature is less than the first preset temperature；
If the current exhaust gas temperature of the compressor is less than first preset temperature, current outdoor environment is further obtained
The current operation frequency of temperature and the compressor, and obtain current with the current outdoor environment temperature and the compressor
The current minimum allowable wind file of the corresponding outdoor fan of running frequency and current maximum allowable wind file；
If the corresponding outdoor fan of current operation frequency of the current outdoor environment temperature and the compressor is worked as
Preceding minimum allowable wind file and current maximum allowable wind file are OFF grades, then obtain the tube temperature of the outdoor heat exchanger, and judge institute
Whether the tube temperature change rate for stating outdoor heat exchanger is more than or equal to the first default change rate；
If the tube temperature change rate of the outdoor heat exchanger is more than or equal to the described first default change rate, directly by the outdoor
The wind file of blower is turned up one grade.
2. the control method of outdoor fan in air-conditioning system as described in claim 1, which is characterized in that if the outdoor is changed
The tube temperature change rate of hot device is less than the described first default change rate, then default according to second according to the tube temperature of the outdoor heat exchanger
The wind file of the outdoor fan is adjusted in mode.
3. the control method of outdoor fan in air-conditioning system as claimed in claim 1 or 2, which is characterized in that if described work as
The current minimum allowable wind file of the corresponding outdoor fan of the current operation frequency of preceding outdoor environment temperature and the compressor
It is non-OFF grades at least one in current maximum allowable wind file, then it is pre- according to first according to the tube temperature of the outdoor heat exchanger
If the wind file of the outdoor fan is adjusted in mode.
4. the control method of outdoor fan in air-conditioning system as claimed in claim 3, which is characterized in that described according to the room
The tube temperature of external heat exchanger is adjusted according to wind file of first predetermined manner to the outdoor fan, comprising:
The tube temperature of the outdoor heat exchanger is obtained every the first preset time, and the tube temperature of the outdoor heat exchanger is sentenced
It is disconnected；
If the tube temperature of the outdoor heat exchanger is more than or equal to the first default tube temperature, the wind file of the outdoor fan is turned up one
Shelves, until the wind file of the outdoor fan reaches highest wind file；
If the tube temperature of the outdoor heat exchanger is less than the described first default tube temperature and is more than or equal to the second default tube temperature, keep
The wind file of the outdoor fan is constant；
If the tube temperature of the outdoor heat exchanger is less than the described second default tube temperature, the wind file of the outdoor fan is turned down one
Shelves, until the wind file of the outdoor fan reaches minimum wind file.
5. the control method of outdoor fan in air-conditioning system as claimed in claim 2, which is characterized in that described according to the room
The tube temperature of external heat exchanger is adjusted according to wind file of second predetermined manner to the outdoor fan, comprising:
The tube temperature of the outdoor heat exchanger is obtained, and the tube temperature of the outdoor heat exchanger is judged；
If the tube temperature of the outdoor heat exchanger, which is more than or equal to third, presets tube temperature, directly by the wind file tune of the outdoor fan
It saves to minimum wind file；
If the wind file of the outdoor fan less than the 4th default tube temperature, is directly adjusted to by the tube temperature of the outdoor heat exchanger
It is OFF grades described, wherein the 4th default tube temperature is less than the third and presets tube temperature；
It is delayed after the second preset time, judges the current operation frequency of the current outdoor environment temperature and the compressor again
Whether the current minimum allowable wind file of the corresponding outdoor fan and current maximum allowable wind file are OFF grades.
6. the control method of outdoor fan in air-conditioning system as described in claim 1, which is characterized in that if the compressor
Current exhaust gas temperature be more than or equal to first preset temperature and less than the second preset temperature, then further judge the outdoor
Whether blower is in OFF grades；
If the outdoor fan be not in it is OFF grades described, according to the current outdoor environment temperature and the compressor
The current minimum allowable wind file of the corresponding outdoor fan of current operation frequency and current maximum allowable wind file are to the outdoor
The wind file of blower is adjusted；
If the outdoor fan is in described OFF grades, the wind file of the outdoor fan is directly adjusted to minimum wind file.
7. the control method of outdoor fan in air-conditioning system as claimed in claim 6, which is characterized in that if the compressor
Current exhaust gas temperature be more than or equal to second preset temperature, then the wind file of the outdoor fan is directly adjusted to highest wind
Shelves.
8. the control device of outdoor fan in a kind of air-conditioning system, which is characterized in that the air-conditioning system includes outdoor unit and room
Interior machine, the outdoor unit include compressor, outdoor heat exchanger and outdoor fan, and described device includes:
Module is obtained, for obtaining the current exhaust gas temperature of the compressor after air-conditioning system starting operation；
Judgment module, for judging the current exhaust gas temperature of the compressor whether less than the first preset temperature；
Adjustment module, for judging that the current exhaust gas temperature of the compressor is less than the described first default temperature in the judgment module
When spending, the current operation frequency of current outdoor environment temperature and the compressor is further obtained by the acquisition module, and
Obtain the current of the outdoor fan corresponding with the current operation frequency of the current outdoor environment temperature and the compressor
Minimum allowable wind file and current maximum allowable wind file, wherein if the current outdoor environment temperature and the compressor are worked as
The current minimum allowable wind file of the corresponding outdoor fan of preceding running frequency and current maximum allowable wind file are OFF grades, institute
It states adjustment module and the tube temperature of the outdoor heat exchanger is then obtained by the acquisition module, and judge the pipe of the outdoor heat exchanger
Whether warm change rate is more than or equal to the first default change rate, and in the tube temperature change rate of the outdoor heat exchanger more than or equal to described
When the first default change rate, the wind file of the outdoor fan is directly turned up one grade.
9. the control device of outdoor fan in air-conditioning system as claimed in claim 8, which is characterized in that if the outdoor is changed
The tube temperature change rate of hot device is less than the described first default change rate, and the adjustment module is then according to the tube temperature of the outdoor heat exchanger
It is adjusted according to wind file of second predetermined manner to the outdoor fan.
10. the control device of outdoor fan in air-conditioning system as claimed in claim 8 or 9, which is characterized in that if described work as
The current minimum allowable wind file of the corresponding outdoor fan of the current operation frequency of preceding outdoor environment temperature and the compressor
It is non-OFF grades at least one in current maximum allowable wind file, the adjustment module is then according to the pipe of the outdoor heat exchanger
Temperature is adjusted according to wind file of first predetermined manner to the outdoor fan.
11. the control device of outdoor fan in air-conditioning system as claimed in claim 10, which is characterized in that the adjustment module
When being adjusted according to the tube temperature of the outdoor heat exchanger according to wind file of first predetermined manner to the outdoor fan, wherein
The adjustment module obtains the tube temperature of the outdoor heat exchanger every the first preset time by the acquisition module, and right
The tube temperature of the outdoor heat exchanger is judged；
If the tube temperature of the outdoor heat exchanger is more than or equal to the first default tube temperature, by the outdoor fan if adjustment module
Wind file be turned up one grade, until the wind file of the outdoor fan reaches highest wind file；
If the tube temperature of the outdoor heat exchanger is less than the described first default tube temperature and is more than or equal to the second default tube temperature, the tune
Section module then keeps the wind file of the outdoor fan constant；
If the tube temperature of the outdoor heat exchanger is less than the described second default tube temperature, by the outdoor fan if adjustment module
Wind file turn down one grade, until the wind file of the outdoor fan reaches minimum wind file.
12. the control device of outdoor fan in air-conditioning system as claimed in claim 9, which is characterized in that the adjustment module
When being adjusted according to the tube temperature of the outdoor heat exchanger according to wind file of second predetermined manner to the outdoor fan, wherein
The adjustment module obtains the tube temperature of the outdoor heat exchanger by the acquisition module, and to the outdoor heat exchanger
Tube temperature is judged；
If the tube temperature of the outdoor heat exchanger, which is more than or equal to third, presets tube temperature, directly by the outdoor if adjustment module
The wind file of blower is adjusted to minimum wind file；
If the tube temperature of the outdoor heat exchanger is less than the 4th default tube temperature, directly by the outdoor fan if adjustment module
Wind file be adjusted to it is OFF grades described, wherein the 4th default tube temperature be less than the third preset tube temperature；
It is delayed after the second preset time, the adjustment module judges the current outdoor environment temperature and the compressor again
Whether the current minimum allowable wind file of the corresponding outdoor fan of current operation frequency and current maximum allowable wind file are OFF
Shelves.
13. the control device of outdoor fan in air-conditioning system as claimed in claim 8, which is characterized in that if the compression
The current exhaust gas temperature of machine is more than or equal to first preset temperature and less than the second preset temperature, and the adjustment module is then into one
Step judges whether the outdoor fan is in OFF grades；
If the outdoor fan be not in it is OFF grades described, if the adjustment module according to the current outdoor environment temperature and
The current minimum allowable wind file of the corresponding outdoor fan of the current operation frequency of the compressor and current maximum allowable wind
The wind file of the outdoor fan is adjusted in shelves；
If the outdoor fan is in described OFF grade, directly by the wind file adjusting of the outdoor fan if adjustment module
To minimum wind file.
14. the control device of outdoor fan in air-conditioning system as claimed in claim 13, which is characterized in that if the compression
The current exhaust gas temperature of machine is more than or equal to second preset temperature, and the adjustment module is then directly by the wind of the outdoor fan
Shelves are adjusted to highest wind file.
15. a kind of air-conditioning system, which is characterized in that including outdoor in the air-conditioning system as described in any one of claim 8-14
The control device of blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710225161.4A CN107062542B (en) | 2017-04-07 | 2017-04-07 | Air-conditioning system and its control method of outdoor fan, device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710225161.4A CN107062542B (en) | 2017-04-07 | 2017-04-07 | Air-conditioning system and its control method of outdoor fan, device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107062542A CN107062542A (en) | 2017-08-18 |
| CN107062542B true CN107062542B (en) | 2019-08-30 |
Family
ID=59601625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710225161.4A Active CN107062542B (en) | 2017-04-07 | 2017-04-07 | Air-conditioning system and its control method of outdoor fan, device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107062542B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906807B (en) * | 2017-10-31 | 2020-08-07 | 广东美的暖通设备有限公司 | Refrigerant charging control method and system and air conditioner |
| CN107940691B (en) * | 2017-11-03 | 2020-04-24 | 广东美的暖通设备有限公司 | Control method and device of air conditioning system and air conditioner |
| CN109539493A (en) * | 2018-11-21 | 2019-03-29 | 奥克斯空调股份有限公司 | Air-conditioner outdoor unit control method, device and air conditioner |
| CN111237979B (en) * | 2020-03-04 | 2021-10-26 | 珠海格力电器股份有限公司 | Control method for improving circulating refrigerant quantity and air conditioner |
| CN114061067A (en) * | 2020-08-07 | 2022-02-18 | 美的集团股份有限公司 | Wind gear adjusting method, air conditioner and storage medium |
| CN113251608B (en) * | 2021-04-30 | 2022-10-28 | 青岛海尔空调器有限总公司 | Air conditioner power saving method, device and system and air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175285A (en) * | 2013-03-26 | 2013-06-26 | 广东美的制冷设备有限公司 | Control circuit and control method of air-conditioner outdoor draught fan and air-conditioner |
| CN103791585A (en) * | 2014-01-17 | 2014-05-14 | 苏州海特温控技术有限公司 | Method for controlling external direct current fan of cabinet air conditioner |
| CN104613601A (en) * | 2015-01-29 | 2015-05-13 | 广东美的制冷设备有限公司 | Method and device for controlling outdoor fan in split air-conditioner |
| CN105509253A (en) * | 2016-01-04 | 2016-04-20 | 青岛海尔空调器有限总公司 | Variable frequency air conditioner and control method thereof |
| CN106440594A (en) * | 2016-11-25 | 2017-02-22 | 广东美的暖通设备有限公司 | Outdoor fan control method and system and air conditioner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7204429B2 (en) * | 2004-04-28 | 2007-04-17 | Intelligent Power Management, Inc | Controller for forced-air HVAC system |
-
2017
- 2017-04-07 CN CN201710225161.4A patent/CN107062542B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175285A (en) * | 2013-03-26 | 2013-06-26 | 广东美的制冷设备有限公司 | Control circuit and control method of air-conditioner outdoor draught fan and air-conditioner |
| CN103791585A (en) * | 2014-01-17 | 2014-05-14 | 苏州海特温控技术有限公司 | Method for controlling external direct current fan of cabinet air conditioner |
| CN104613601A (en) * | 2015-01-29 | 2015-05-13 | 广东美的制冷设备有限公司 | Method and device for controlling outdoor fan in split air-conditioner |
| CN105509253A (en) * | 2016-01-04 | 2016-04-20 | 青岛海尔空调器有限总公司 | Variable frequency air conditioner and control method thereof |
| CN106440594A (en) * | 2016-11-25 | 2017-02-22 | 广东美的暖通设备有限公司 | Outdoor fan control method and system and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107062542A (en) | 2017-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107062542B (en) | Air-conditioning system and its control method of outdoor fan, device | |
| CN107062541B (en) | Air-conditioning system and its control method of outdoor fan, device | |
| CN107120784B (en) | Air-conditioning system and its control method of outdoor fan, device | |
| CN107860103B (en) | Control method and device of multi-split system and system with control device | |
| CN108700359B (en) | Compressor capacity modulation system for multiple compressors | |
| EP1795837B1 (en) | Parallel condensing unit control system and method | |
| US10422547B2 (en) | Air-conditioning apparatus | |
| CN103411341B (en) | Type constant temperature dehumidifying air conditioner and dehumanization method | |
| US11280511B2 (en) | Systems and methods for evaporative heat rejection equipment fan speed control | |
| CN106322679A (en) | Control method for outdoor fan of air conditioner | |
| CN104791966A (en) | Air conditioner and low-temperature cooling control method and device of air conditioner | |
| CN106016458A (en) | Air conditioner and mode switching control method thereof | |
| JP2016109344A (en) | Air conditioning system | |
| JP6091615B2 (en) | Air conditioning system | |
| US6807817B2 (en) | Method for operating compressors of air conditioner | |
| CN102869926B (en) | Outer gas disposal air conditioner and use its multistage air-conditioning system | |
| CN113091267B (en) | Control method of air conditioner | |
| JP5619056B2 (en) | Air conditioner | |
| CN108800465A (en) | Air conditioning control method, air conditioning control device and electronic equipment | |
| CN107023965A (en) | Air-conditioning system and its dehumidification control method | |
| CN104930770A (en) | Defrosting method and defrosting device of heat pump air conditioner | |
| KR100888964B1 (en) | Air conditioning system and control method for the same | |
| JP2002372320A (en) | Refrigerating device | |
| CN112984713B (en) | Multi-compressor control method and air conditioning unit | |
| CN100532979C (en) | Separated room load calculating method and electromagnetic expansion valve control method of central air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |