CN105042766A - Control method of air conditioner outdoor fan and control device of air conditioner outdoor fan - Google Patents
Control method of air conditioner outdoor fan and control device of air conditioner outdoor fan Download PDFInfo
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- CN105042766A CN105042766A CN201510368912.9A CN201510368912A CN105042766A CN 105042766 A CN105042766 A CN 105042766A CN 201510368912 A CN201510368912 A CN 201510368912A CN 105042766 A CN105042766 A CN 105042766A
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- outdoor fan
- rotating speed
- heat exchanger
- air
- indoor heat
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- 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
- F24F11/70—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
- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor units
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- 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 control method of an air conditioner outdoor fan and a control device of the air conditioner outdoor fan. The control method of the air conditioner outdoor fan comprises the following steps that when an air conditioner runs in a heating mode, a temperature value of an indoor heat exchanger is recorded; when the temperature value of the indoor heat exchanger is greater than a first preset value, whether a temperature rising speed of the indoor heat exchanger is greater than that of a second preset value is judged according to recorded temperature values; if so, a rotating speed of the outdoor fan is reduced according to a first preset rule; and if not, the rotating speed of the outdoor fan is adjusted according to a second preset rule. The control method and the control device avoid the situation that the fluctuation of an air outlet temperature is great when the air conditioner runs in the heating mode.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly relate to method for controlling outdoor fan of air-conditioner and device.
Background technology
As everyone knows; conventional air-conditioning is when heating operation; the temperature of indoor heat exchanger and the rotating speed tight association of outdoor fan; the speed of outdoor fan is larger; the refrigerant heat exchange efficiency of outdoor heat exchanger is better; thus cause the refrigerant temperature flowing into indoor heat exchanger too high, finally make the temperature of indoor heat exchanger higher, therefore need to carry out high temperature protection to indoor heat exchanger.Usually protect in the following ways in prior art: when the temperature of indoor heat exchanger is higher than preset value T1, outdoor fan is out of service.When the temperature of indoor heat exchanger is lower than preset value T2, outdoor fan recovers running.Although this mode can reach the function of indoor heat exchanger protection.Due to the start-stop of repetitive control outdoor fan, when will cause air-conditioning heating, leaving air temp fluctuation is larger.
Foregoing, only for auxiliary understanding technical scheme of the present invention, does not represent and admits that foregoing is prior art.
Summary of the invention
Main purpose of the present invention is to provide a kind of method for controlling outdoor fan of air-conditioner and device, and when being intended to prevent air-conditioning heating, leaving air temp fluctuation is larger.
For achieving the above object, a kind of method for controlling outdoor fan of air-conditioner provided by the invention comprises the following steps:
When air-conditioning runs at heating mode, the temperature value of record indoor heat exchanger;
When the temperature value of described indoor heat exchanger is greater than the first preset value, judge whether the speed that indoor heat exchanger temperature rises is greater than the second preset value according to the temperature value of historical record;
If so, the rotating speed of outdoor fan is then reduced according to the first preset rules;
If not, then according to the rotating speed of the second preset rules adjustment outdoor fan.
Preferably, the described temperature value according to historical record judges whether speed that indoor heat exchanger temperature rises is greater than the second preset value and comprises:
Obtain the temperature value of the Preset Time point record before current time;
Judge whether the temperature value obtained is greater than the 3rd preset value; If then determine that the speed that indoor heat exchanger temperature rises is greater than the second preset value, if not, then determine that the speed that indoor heat exchanger temperature rises is less than or equal to the second preset value.
Preferably, the described rotating speed according to the first preset rules reduction outdoor fan comprises:
According to the rotating speed N of the current operation of outdoor fan
sn-1calculate the rotating speed of target N after adjustment
sn, wherein N
snmeet:
According to the described N calculated
snadjust the rotating speed of described outdoor fan.
Preferably, the described rotating speed according to the second preset rules adjustment outdoor fan comprises:
According to the rotating speed N of the current operation of outdoor fan
sn-1with the rotating speed N that outdoor fan before last time adjustment runs
sn-2calculate the rotating speed of target N after adjustment
sn, wherein N
snmeet:
if the current adjustment to outdoor fan rotating speed adjusts first, then by the rotating speed N of outdoor fan operation before described last time adjustment
sn-2be set to the 4th preset value;
According to the described N calculated
snadjust the rotating speed of described outdoor fan.
Preferably, described method for controlling outdoor fan of air-conditioner also comprises:
As the described N calculated
snwhen being less than the 5th preset value, control described outdoor fan out of service.
In addition, for achieving the above object, the present invention also provides a kind of outdoor fan of air-conditioner control device, and described outdoor fan of air-conditioner control device comprises:
Logging modle, for when air-conditioning is when heating mode runs, records the temperature value of indoor heat exchanger;
According to the temperature value of historical record, judge module, for when the temperature value of described indoor heat exchanger is greater than the first preset value, judges whether the speed that indoor heat exchanger temperature rises is greater than the second preset value;
Adjusting module, for when the speed that indoor heat exchanger temperature rises is greater than the second preset value, reduces the rotating speed of outdoor fan according to the first preset rules; For when the speed that indoor heat exchanger temperature rises is less than or equal to the second preset value, according to the rotating speed of the second preset rules adjustment outdoor fan.
Preferably, described judge module comprises:
Acquiring unit, for the temperature value of the Preset Time point record before obtaining current time;
Judging unit, for judging whether the temperature value obtained is greater than the 3rd preset value; If then determine that the speed that indoor heat exchanger temperature rises is greater than the second preset value, if not, then determine that the speed that indoor heat exchanger temperature rises is less than or equal to the second preset value.
Preferably, described adjusting module comprises:
First computing unit, for the rotating speed N according to the current operation of outdoor fan
sn-1calculate the rotating speed of target N after adjustment
sn, wherein N
snmeet:
First adjustment unit, for the described N that basis calculates
snadjust the rotating speed of described outdoor fan.
Preferably, described adjusting module comprises:
Second computing unit, for the rotating speed N according to the current operation of outdoor fan
sn-1with the rotating speed N that outdoor fan before last time adjustment runs
sn-2calculate the rotating speed of target N after adjustment
sn, wherein N
snmeet:
if the current adjustment to outdoor fan rotating speed adjusts first, then by the rotating speed N of outdoor fan operation before described last time adjustment
sn-2be set to the 4th preset value;
Second adjustment unit, for the described N that basis calculates
snadjust the rotating speed of described outdoor fan.
Preferably, described adjusting module also comprises:
Control unit, for working as the described N calculated
snwhen being less than the 5th preset value, control described outdoor fan out of service.
The embodiment of the present invention by the temperature value of record indoor heat exchanger, and when the temperature of indoor heat exchanger is greater than the first preset value, judges according to the temperature value of historical record the speed that temperature rises.Then according to indoor heat exchanger in different rising situations, adjust the rotating speed of outdoor fan in different ways.Relative in prior art, adopt the mode directly stopping outdoor fan running to carry out high temperature protection to indoor heat exchanger, when the present invention effectively can prevent air-conditioning heating, leaving air temp fluctuation is larger; Simultaneously without the need to the start-stop of repetitive control outdoor fan, affect the service life of outdoor fan, thus improve the reliability of operation of air conditioner.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of method for controlling outdoor fan of air-conditioner first embodiment of the present invention;
Fig. 2 is the schematic flow sheet of method for controlling outdoor fan of air-conditioner second embodiment of the present invention;
Fig. 3 is the refinement schematic flow sheet according to the first preset rules adjustment outdoor fan rotating speed in method for controlling outdoor fan of air-conditioner of the present invention 3rd embodiment;
Fig. 4 is the refinement schematic flow sheet according to the second preset rules adjustment outdoor fan rotating speed in method for controlling outdoor fan of air-conditioner of the present invention 4th embodiment;
Fig. 5 is the functional module structure schematic diagram of outdoor fan of air-conditioner control device first embodiment of the present invention;
Fig. 6 is the refinement functional module structure schematic diagram of judge module in outdoor fan of air-conditioner control device second embodiment of the present invention;
Fig. 7 is the refinement functional module structure schematic diagram of adjusting module in outdoor fan of air-conditioner control device the 3rd embodiment of the present invention;
Fig. 8 is the refinement functional module structure schematic diagram of adjusting module in outdoor fan of air-conditioner control device the 4th embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of method for controlling outdoor fan of air-conditioner, with reference to Fig. 1, in method for controlling outdoor fan of air-conditioner first embodiment of the present invention, this method for controlling outdoor fan of air-conditioner comprises:
Step S10, when air-conditioning runs at heating mode, the temperature value of record indoor heat exchanger;
Embodiment of the present invention method for controlling outdoor fan of air-conditioner is mainly applied in air-conditioning system, for controlling the running status of outdoor fan.Particularly, when air-conditioning is when carrying out heating operation, every the temperature of a preset time segment record indoor heat exchanger.Be understandable that, the time span of above-mentioned preset time period can be arranged according to actual needs; In order to prevent the overabundance of data of the temperature value recording indoor heat exchanger, causing internal memory to waste, in the present embodiment, the temperature value of the form of array to indoor heat exchanger can be adopted to store.
Step S20, judges whether the temperature value of described indoor heat exchanger is greater than the first preset value; If so, then perform step S30, otherwise terminate;
According to the temperature value of historical record, step S30, judges whether the speed that indoor heat exchanger temperature rises is greater than the second preset value; If so, then perform step S30, otherwise perform step S40;
Step S40.The rotating speed of outdoor fan is reduced according to the first preset rules;
Step S50, according to the rotating speed of the second preset rules adjustment outdoor fan.
In the present embodiment, above-mentioned first preset value is the higher limit of high temperature protection, and when temperature is higher than this first preset value, enter high temperature protection, the size of this first preset value can be arranged according to actual needs, does not limit further at this.
Particularly, judge that the speed that indoor heat exchanger temperature rises can be arranged according to actual needs according to the temperature value of historical record, such as, can judge according to temperature gap size in preset time period.Be understandable that, the speed of outdoor fan is larger, and the refrigerant heat exchange efficiency of outdoor heat exchanger is better, thus causes the refrigerant temperature flowing into indoor heat exchanger too high, finally makes the rate of rise in temperature of indoor heat exchanger faster.
Above-mentioned first preset rules can carry out adjustment of rotational speed for the rotating speed current according to outdoor fan; Such as, current rotating speed can be deducted the temperature value that a specific value obtains by the desired value of adjustment, the temperature value that rotating speed that also can be current obtains divided by a fixed value.
Above-mentioned second preset rules can be that the rotating speed adjusted according to the current rotating speed of outdoor fan and history carries out adjustment of rotational speed.Such as can adjust according to the rotating speed of rotating speed to outdoor fan before the current rotating speed of outdoor fan and last adjustment.
The embodiment of the present invention by the temperature value of record indoor heat exchanger, and when the temperature of indoor heat exchanger is greater than the first preset value, judges according to the temperature value of historical record the speed that temperature rises.Then according to indoor heat exchanger in different rising situations, adjust the rotating speed of outdoor fan in different ways.Relative in prior art, adopt the mode directly stopping outdoor fan running to carry out high temperature protection to indoor heat exchanger, when the present invention effectively can prevent air-conditioning heating, leaving air temp fluctuation is larger; Simultaneously without the need to the start-stop of repetitive control outdoor fan, affect the service life of outdoor fan, thus improve the reliability of operation of air conditioner.
Be understandable that, the complete scheme once adjusted is only described in method for controlling outdoor fan of air-conditioner first embodiment of the present invention, during actual use, need repeatedly to adjust, particularly, after once adjusting, can after operation of air conditioner a period of time, again judge whether the temperature value of indoor heat exchanger is greater than the first preset value, if so, then again perform step S30.Only below meeting, during any one condition, just exit adjustment: 1, air-conditioning enters non-heating mode; 2, the temperature of indoor heat exchanger is less than threshold value, is now the initial speed before adjustment by outdoor fan rotating speed; 3, compressor is out of service.
Further, with reference to Fig. 2, based on method for controlling outdoor fan of air-conditioner first embodiment of the present invention, in method for controlling outdoor fan of air-conditioner second embodiment of the present invention, above-mentioned steps S30 comprises:
Step S31, obtains the temperature value of the Preset Time point record before current time;
Step S32, judges whether the temperature value obtained is greater than the 3rd preset value; If then determine that the speed that indoor heat exchanger temperature rises is greater than the second preset value, if not, then determine that the speed that indoor heat exchanger temperature rises is less than or equal to the second preset value.
In the present embodiment, the Preset Time point before above-mentioned current time can be the time point of first 10 seconds correspondences of current time.The size of above-mentioned 3rd preset value can be arranged according to actual needs, makes detailed description in following examples with 1 DEG C.If current temperature 45 C, the temperature of first 10 seconds records is 44 DEG C, then both differences are greater than 1 DEG C, now determine that the speed that indoor heat exchanger temperature rises is greater than the second preset value, namely the temperature of indoor heat exchanger rises very fast, needs to adopt above-mentioned first preset rules to carry out temperature adjustment.
With reference to Fig. 3, based on method for controlling outdoor fan of air-conditioner first embodiment of the present invention, in method for controlling outdoor fan of air-conditioner of the present invention 3rd embodiment, above-mentioned steps S40 comprises:
Step S41, according to the rotating speed N of the current operation of outdoor fan
sn-1calculate the rotating speed of target N after adjustment
sn, wherein N
snmeet:
Step S42, according to the described N calculated
snadjust the rotating speed of described outdoor fan.
Be understandable that, in the present embodiment, adopt temperature value that current rotating speed obtains divided by a fixed value as target adjustment rotating speed.Particularly, this fixed value A is set to 2 in the present embodiment, other values can also be adopted in other embodiments to replace, i.e. above-mentioned N
snmeet:
it should be noted that and can also adopt subtraction budget in other real-time modes, reduce a value during each adjustment, the size of this value can immobilize, and also can pre-set, and adjusts there being a value at every turn.
Further, with reference to Fig. 4, based on method for controlling outdoor fan of air-conditioner first embodiment of the present invention, in method for controlling outdoor fan of air-conditioner of the present invention 4th embodiment, above-mentioned steps S50 comprises:
Step S51, according to the rotating speed N of the current operation of outdoor fan
sn-1with the rotating speed N that outdoor fan before last time adjustment runs
sn-2calculate the rotating speed of target N after adjustment
sn, wherein N
snmeet:
if the current adjustment to outdoor fan rotating speed adjusts first, then by the rotating speed N of outdoor fan operation before described last time adjustment
sn-2be set to the 4th preset value;
Step S52, according to the described N calculated
snadjust the rotating speed of described outdoor fan.
The size of above-mentioned 4th preset value can be arranged according to actual needs, and in the present embodiment, the 4th preset value can be 0.Namely when adjusting outdoor fan rotating speed first, can directly by the rotating speed of target N of adjustment
snbe set to the half of current rotating speed.When second time adjusts, the rotating speed of target of adjustment is then the median of the rotating speed after first time adjustment and the rotating speed before adjusting for the first time; Thus make indoor heat exchanger temperature more steady.
Further, based on method for controlling outdoor fan of air-conditioner third and fourth embodiment of the present invention, in method for controlling outdoor fan of air-conditioner of the present invention 5th embodiment, this method for controlling outdoor fan of air-conditioner also comprises:
When the rotating speed of described outdoor fan is less than the 5th preset value, control described outdoor fan out of service.
In the present embodiment, in the process that outdoor fan is adjusted, if the rotating speed of outdoor fan is less than the 5th preset value (namely the rotating speed of outdoor fan is too small), then represent and to operate with current rotating speed, outdoor heat exchanger of air conditioner substantially do not carry out heat exchange (i.e. outdoor fan rotate and Rotation With Changing thermal effect is not basically identical), now can stop the operation of outdoor fan, thus prevent the waste of electric energy.
The present invention also provides a kind of outdoor fan of air-conditioner control device, and with reference to Fig. 5, in one embodiment, outdoor fan of air-conditioner control device provided by the invention comprises:
Logging modle 10, for when air-conditioning is when heating mode runs, records the temperature value of indoor heat exchanger;
Embodiment of the present invention outdoor fan of air-conditioner control device is mainly applied in air-conditioning system, for controlling the running status of outdoor fan.Particularly, when air-conditioning is when carrying out heating operation, every the temperature of a preset time segment record indoor heat exchanger.Be understandable that, the time span of above-mentioned preset time period can be arranged according to actual needs; In order to prevent the overabundance of data of the temperature value recording indoor heat exchanger, causing internal memory to waste, in the present embodiment, the temperature value of the form of array to indoor heat exchanger can be adopted to store.
According to the temperature value of historical record, judge module 20, for when the temperature value of described indoor heat exchanger is greater than the first preset value, judges whether the speed that indoor heat exchanger temperature rises is greater than the second preset value;
Adjusting module 30, for when the speed that indoor heat exchanger temperature rises is greater than the second preset value, reduces the rotating speed of outdoor fan according to the first preset rules; For when the speed that indoor heat exchanger temperature rises is less than or equal to the second preset value, according to the rotating speed of the second preset rules adjustment outdoor fan.
In the present embodiment, above-mentioned first preset value is the higher limit of high temperature protection, and when temperature is higher than this first preset value, enter high temperature protection, the size of this first preset value can be arranged according to actual needs, does not limit further at this.
Particularly, judge that the speed that indoor heat exchanger temperature rises can be arranged according to actual needs according to the temperature value of historical record, such as, can judge according to temperature gap size in preset time period.Be understandable that, the speed of outdoor fan is larger, and the refrigerant heat exchange efficiency of outdoor heat exchanger is better, thus causes the refrigerant temperature flowing into indoor heat exchanger too high, finally makes the rate of rise in temperature of indoor heat exchanger faster.
Above-mentioned first preset rules can carry out adjustment of rotational speed for the rotating speed current according to outdoor fan; Such as, current rotating speed can be deducted the temperature value that a specific value obtains by the desired value of adjustment, the temperature value that rotating speed that also can be current obtains divided by a fixed value.
Above-mentioned second preset rules can be that the rotating speed adjusted according to the current rotating speed of outdoor fan and history carries out adjustment of rotational speed.Such as can adjust according to the rotating speed of rotating speed to outdoor fan before the current rotating speed of outdoor fan and last adjustment.
The embodiment of the present invention by the temperature value of record indoor heat exchanger, and when the temperature of indoor heat exchanger is greater than the first preset value, judges according to the temperature value of historical record the speed that temperature rises.Then according to indoor heat exchanger in different rising situations, adjust the rotating speed of outdoor fan in different ways.Relative in prior art, adopt the mode directly stopping outdoor fan running to carry out high temperature protection to indoor heat exchanger, when the present invention effectively can prevent air-conditioning heating, leaving air temp fluctuation is larger; Simultaneously without the need to the start-stop of repetitive control outdoor fan, affect the service life of outdoor fan, thus improve the reliability of operation of air conditioner.
Be understandable that, the complete scheme once adjusted is only described in method for controlling outdoor fan of air-conditioner first embodiment of the present invention, during actual use, need repeatedly to adjust, particularly, after once adjusting, can after operation of air conditioner a period of time, again judge whether the temperature value of indoor heat exchanger is greater than the first preset value, if so, then again judge whether the speed that indoor heat exchanger temperature rises is greater than the second preset value by judge module 20 according to the temperature value of historical record.Only below meeting, during any one condition, just exit adjustment: 1, air-conditioning enters non-heating mode; 2, the temperature of indoor heat exchanger is less than threshold value, is now the initial speed before adjustment by outdoor fan rotating speed; 3, compressor is out of service.
Further, with reference to Fig. 6, based on outdoor fan of air-conditioner control device first embodiment of the present invention, in outdoor fan of air-conditioner control device second embodiment of the present invention, above-mentioned judge module 20 comprises:
Acquiring unit 21, for the temperature value of the Preset Time point record before obtaining current time;
Judging unit 22, for judging whether the temperature value obtained is greater than the 3rd preset value; If then determine that the speed that indoor heat exchanger temperature rises is greater than the second preset value, if not, then determine that the speed that indoor heat exchanger temperature rises is less than or equal to the second preset value.
In the present embodiment, the Preset Time point before above-mentioned current time can be the time point of first 10 seconds correspondences of current time.The size of above-mentioned 3rd preset value can be arranged according to actual needs, makes detailed description in following examples with 1 DEG C.If current temperature 45 C, the temperature of first 10 seconds records is 44 DEG C, then both differences are greater than 1 DEG C, now determine that the speed that indoor heat exchanger temperature rises is greater than the second preset value, namely the temperature of indoor heat exchanger rises very fast, needs to adopt above-mentioned first preset rules to carry out temperature adjustment.
Further, with reference to Fig. 7, based on outdoor fan of air-conditioner control device first embodiment of the present invention, in outdoor fan of air-conditioner control device the 3rd embodiment of the present invention, above-mentioned adjusting module 30 comprises:
First computing unit 31, for the rotating speed N according to the current operation of outdoor fan
sn-1calculate the rotating speed of target N after adjustment
sn, wherein N
snmeet:
First adjustment unit 32, for the described N that basis calculates
snadjust the rotating speed of described outdoor fan.
Be understandable that, in the present embodiment, adopt temperature value that current rotating speed obtains divided by a fixed value as target adjustment rotating speed.Particularly, this fixed value A is set to 2 in the present embodiment, other values can also be adopted in other embodiments to replace, i.e. above-mentioned N
snmeet:
it should be noted that and can also adopt subtraction budget in other real-time modes, reduce a value during each adjustment, the size of this value can immobilize, and also can pre-set, and adjusts there being a value at every turn.
With reference to Fig. 8, based on outdoor fan of air-conditioner control device first embodiment of the present invention, in outdoor fan of air-conditioner control device the 4th embodiment of the present invention, above-mentioned adjusting module 30 comprises:
Second computing unit 33, for the rotating speed N according to the current operation of outdoor fan
sn-1with the rotating speed N that outdoor fan before last time adjustment runs
sn-2calculate the rotating speed of target N after adjustment
sn, wherein N
snmeet:
if the current adjustment to outdoor fan rotating speed adjusts first, then by the rotating speed N of outdoor fan operation before described last time adjustment
sn-2be set to the 4th preset value;
Second adjustment unit 34, for the described N that basis calculates
snadjust the rotating speed of described outdoor fan.
The size of above-mentioned 4th preset value can be arranged according to actual needs, and in the present embodiment, the 4th preset value can be 0.Namely when adjusting outdoor fan rotating speed first, can directly by the rotating speed of target N of adjustment
snbe set to the half of current rotating speed.When second time adjusts, the rotating speed of target of adjustment is then the median of the rotating speed after first time adjustment and the rotating speed before adjusting for the first time; Thus make indoor heat exchanger temperature more steady.
Further, based on outdoor fan of air-conditioner control device third and fourth embodiment of the present invention, in outdoor fan of air-conditioner control device the 5th embodiment of the present invention, above-mentioned adjusting module 30 also comprises:
Control unit, for working as the described N calculated
snwhen being less than the 5th preset value, control described outdoor fan out of service.
In the present embodiment, in the process that outdoor fan is adjusted, if the rotating speed of outdoor fan is less than the 5th preset value (namely the rotating speed of outdoor fan is too small), then represent and to operate with current rotating speed, outdoor heat exchanger of air conditioner substantially do not carry out heat exchange (i.e. outdoor fan rotate and Rotation With Changing thermal effect is not basically identical), now can stop the operation of outdoor fan, thus prevent the waste of electric energy.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a method for controlling outdoor fan of air-conditioner, is characterized in that, described method for controlling outdoor fan of air-conditioner comprises the following steps:
When air-conditioning runs at heating mode, the temperature value of record indoor heat exchanger;
When the temperature value of described indoor heat exchanger is greater than the first preset value, judge whether the speed that indoor heat exchanger temperature rises is greater than the second preset value according to the temperature value of historical record;
If so, the rotating speed of outdoor fan is then reduced according to the first preset rules;
If not, then according to the rotating speed of the second preset rules adjustment outdoor fan.
2. method for controlling outdoor fan of air-conditioner as claimed in claim 1, is characterized in that, the described temperature value according to historical record judges whether speed that indoor heat exchanger temperature rises is greater than the second preset value and comprises:
Obtain the temperature value of the Preset Time point record before current time;
Judge whether the temperature value obtained is greater than the 3rd preset value; If then determine that the speed that indoor heat exchanger temperature rises is greater than the second preset value, if not, then determine that the speed that indoor heat exchanger temperature rises is less than or equal to the second preset value.
3. method for controlling outdoor fan of air-conditioner as claimed in claim 1, is characterized in that, the described rotating speed according to the first preset rules reduction outdoor fan comprises:
According to the rotating speed N of the current operation of outdoor fan
sn-1calculate the rotating speed of target N after adjustment
sn, wherein N
snmeet:
According to the described N calculated
snadjust the rotating speed of described outdoor fan.
4. method for controlling outdoor fan of air-conditioner as claimed in claim 1, is characterized in that, the described rotating speed according to the second preset rules adjustment outdoor fan comprises:
According to the rotating speed N of the current operation of outdoor fan
sn-1with the rotating speed N that outdoor fan before last time adjustment runs
sn-2calculate the rotating speed of target N after adjustment
sn, wherein N
snmeet:
if the current adjustment to outdoor fan rotating speed adjusts first, then by the rotating speed N of outdoor fan operation before described last time adjustment
sn-2be set to the 4th preset value;
According to the described N calculated
snadjust the rotating speed of described outdoor fan.
5. the method for controlling outdoor fan of air-conditioner as described in claim 3 or 4, is characterized in that, described method for controlling outdoor fan of air-conditioner also comprises:
As the described N calculated
snwhen being less than the 5th preset value, control described outdoor fan out of service.
6. an outdoor fan of air-conditioner control device, is characterized in that, described outdoor fan of air-conditioner control device comprises:
Logging modle, for when air-conditioning is when heating mode runs, records the temperature value of indoor heat exchanger;
According to the temperature value of historical record, judge module, for when the temperature value of described indoor heat exchanger is greater than the first preset value, judges whether the speed that indoor heat exchanger temperature rises is greater than the second preset value;
Adjusting module, for when the speed that indoor heat exchanger temperature rises is greater than the second preset value, reduces the rotating speed of outdoor fan according to the first preset rules; For when the speed that indoor heat exchanger temperature rises is less than or equal to the second preset value, according to the rotating speed of the second preset rules adjustment outdoor fan.
7. outdoor fan of air-conditioner control device as claimed in claim 6, it is characterized in that, described judge module comprises:
Acquiring unit, for the temperature value of the Preset Time point record before obtaining current time;
Judging unit, for judging whether the temperature value obtained is greater than the 3rd preset value; If then determine that the speed that indoor heat exchanger temperature rises is greater than the second preset value, if not, then determine that the speed that indoor heat exchanger temperature rises is less than or equal to the second preset value.
8. outdoor fan of air-conditioner control device as claimed in claim 6, it is characterized in that, described adjusting module comprises:
First computing unit, for the rotating speed N according to the current operation of outdoor fan
sn-1calculate the rotating speed of target N after adjustment
sn, wherein N
snmeet:
First adjustment unit, for the described N that basis calculates
snadjust the rotating speed of described outdoor fan.
9. outdoor fan of air-conditioner control device as claimed in claim 6, it is characterized in that, described adjusting module comprises:
Second computing unit, for the rotating speed N according to the current operation of outdoor fan
sn-1with the rotating speed N that outdoor fan before last time adjustment runs
sn-2calculate the rotating speed of target N after adjustment
sn, wherein N
snmeet:
if the current adjustment to outdoor fan rotating speed adjusts first, then by the rotating speed N of outdoor fan operation before described last time adjustment
sn-2be set to the 4th preset value;
Second adjustment unit, for the described N that basis calculates
snadjust the rotating speed of described outdoor fan.
10. outdoor fan of air-conditioner control device as claimed in claim 8 or 9, it is characterized in that, described adjusting module also comprises:
Control unit, for working as the described N calculated
snwhen being less than the 5th preset value, control described outdoor fan out of service.
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| CN106647578A (en) * | 2016-12-30 | 2017-05-10 | 美的集团股份有限公司 | Method and device for self-checking control of household appliances and household appliance |
| CN107062518A (en) * | 2017-01-09 | 2017-08-18 | 广东美的制冷设备有限公司 | A kind of air-conditioner control method and control device |
| CN107145284A (en) * | 2017-05-10 | 2017-09-08 | 北京小米移动软件有限公司 | Triggering method, device and the equipment of smart machine |
| CN108981965A (en) * | 2018-06-15 | 2018-12-11 | 河南中烟工业有限责任公司 | A kind of air-conditioning draught fan vibrating shaft temperature checking method |
| CN111059709A (en) * | 2019-12-31 | 2020-04-24 | 海信（山东）空调有限公司 | Control method of air conditioner and air conditioner |
| CN111550901A (en) * | 2020-04-10 | 2020-08-18 | 宁波奥克斯电气股份有限公司 | Control method and control device of air conditioner, storage medium and air conditioner |
| CN111964208A (en) * | 2020-07-14 | 2020-11-20 | 宁波奥克斯电气股份有限公司 | Heating indoor unit high-temperature-resistant control method and device, air conditioner and storage medium |
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| CN111550901A (en) * | 2020-04-10 | 2020-08-18 | 宁波奥克斯电气股份有限公司 | Control method and control device of air conditioner, storage medium and air conditioner |
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| CN112984702A (en) * | 2021-03-26 | 2021-06-18 | 广东Tcl智能暖通设备有限公司 | Control method of fixed-frequency air conditioner, fixed-frequency air conditioner and storage medium |
| CN112984702B (en) * | 2021-03-26 | 2023-01-20 | 广东Tcl智能暖通设备有限公司 | Control method of fixed-frequency air conditioner, fixed-frequency air conditioner and storage medium |
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