CN104501357A - Control method, control system and air conditioner - Google Patents
Control method, control system and air conditioner Download PDFInfo
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- CN104501357A CN104501357A CN201410758106.8A CN201410758106A CN104501357A CN 104501357 A CN104501357 A CN 104501357A CN 201410758106 A CN201410758106 A CN 201410758106A CN 104501357 A CN104501357 A CN 104501357A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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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
-
- 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
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a control method, a control system and an air conditioner. The control method is used for controlling the air conditioner and comprises the following steps: acquiring the current working temperature of an indoor heat exchanger through a temperature detection device; judging whether the current working temperature is larger than or equal to a first preset temperature; when judging that the current working temperature is larger than or equal to the first preset temperature, setting the rotating speed of an door fan in a first rotating speed range. By the adoption of the technical scheme, the rotating speed of the indoor fan is automatically controlled according to temperature variation, the operation pressure of the system can be effectively reduced to further ensure that a compressor operates normally, therefore, on one hand, the continuous output of the heating effect of the air conditioner can be ensured, and on the other hand, the compressor is prevented from operating for a long time under a condition of exceeding an allowable working pressure, the system control flexibility, the system operation reliability and the system operation stability are improved and the service life of the compressor is prolonged.
Description
Technical field
The present invention relates to air-conditioning technical field, in particular to a kind of control method, a kind of control system and a kind of air-conditioner.
Background technology
At present, window air conditioner belongs to integral air conditioner, is taken turns carry out heat exchange by crosswind inside and outside a driven by motor, and therefore, outside rotating speed is identical.General window machine rotating speed is divided into high, medium and low third gear.Based on considerations such as noises, general low wind shelves design speed is not high, and window machine limits due to infrastructure cost, and inner side heat exchanger area size is also restricted, therefore heat pump window air conditioner is when high temperature heats the operation of overload operating mode, if wind shelves are set to low wind, system high side pressure is easy to the pressure limit exceeding compressor permission, thus causes compressor stop jumping, system cisco unity malfunction, poor reliability, compressor is fragile, may cause customer complaint.
Split-type air conditioner indoor and outdoor machine has independent blower fan, when high temperature heats the operation of overload operating mode, can carry out high temperature protection setting by controlling separately outer machine blower fan.But when outside heat exchanger is larger, and compressor displacement also relatively large time, user opens low wind shelves and heats, on high-tension side pressure will be larger, under a few cases, even if cut off the running of outer blower fan completely, high-pressure still exceedes the pressure limit that compressor allows, thus cause compressor stop jumping, system cisco unity malfunction, poor reliability.
Therefore; need a kind of control method; in system overcharge situation; can realize automatically adjusting indoor fan rotating speed by temperature and carry out high temperature protection, to reduce system running pressure, and guarantee that compressor normally runs continuously; so; can ensure that air conditioner heat-production lasts exports on the one hand, compressor can be avoided to run under the operating pressure conditions exceeding permission for a long time on the other hand, to improve the reliability of system cloud gray model and to extend the service life of compressor.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art or correlation technique.
For this reason, one object of the present invention is to propose a kind of control method.
Another object of the present invention is to propose a kind of control system.
Another object of the present invention is to propose a kind of air-conditioner.
For realizing at least one object above-mentioned, embodiment according to a first aspect of the invention, proposing a kind of control method, for controlling air-conditioner, comprising: the current operating temperature being obtained indoor heat exchanger by temperature-detecting device; Judge whether described current operating temperature is more than or equal to the first preset temperature; When judging that described current operating temperature is more than or equal to described first preset temperature, the rotating speed arranging indoor fan is positioned at first range of speeds.
Control method according to an embodiment of the invention, when judging that the current operating temperature of the indoor heat exchanger obtained is more than or equal to the first preset temperature, namely now system running pressure is larger, compressor works under the pressure condition exceeding permission, long-time maintenance superpressure work, easily cause compressor stop jumping, and the rotating speed of indoor fan is adjusted to automatically first range of speeds (such as, the high wind speed range of speeds), namely the automatic control to indoor fan rotating speed is realized by the change of temperature, effectively can reduce system running pressure, and then guarantee that compressor normally runs continuously, so, can ensure that air conditioner heat-production lasts exports on the one hand, compressor can be avoided to run under the operating pressure conditions exceeding permission for a long time on the other hand, add the flexibility of Systematical control, and improve the reliability of system cloud gray model, stability and extend service life of compressor, reduce the operation power consumption of system simultaneously.
According to one embodiment of present invention, in technique scheme, preferably, also comprise: judge whether described current operating temperature is less than or equal to the second preset temperature, and when judging that described Current Temperatures is less than or equal to described second preset temperature, be the first desired speed by the speed setting of described indoor fan.
Control method according to an embodiment of the invention, when judging that the current operating temperature of the indoor heat exchanger obtained is less than or equal to the second preset temperature, namely now system running pressure is reduced effectively, compressor is also in normal operating condition, be the first desired speed by the speed setting of indoor fan, this first desired speed can be automatically return to current operating temperature be more than or equal to the first preset temperature before rotating speed, also can set according to the actual demand of user, to improve Consumer's Experience.
According to one embodiment of present invention, in technique scheme, preferably, described first preset temperature is positioned at the first temperature range, described second preset temperature is positioned at the second temperature range, and wherein, described first preset temperature is greater than described second preset temperature.
Control method according to an embodiment of the invention, the first temperature range residing for the first preset temperature can be 55 DEG C ~ 65 DEG C, but is not limited thereto temperature range; The second temperature range described in second preset temperature can be 50 DEG C ~ 60 DEG C, but be not limited thereto temperature range, generally, the temperature value of the first preset temperature is greater than the temperature value of the second preset temperature, can guarantee that the change according to temperature adjusts the accuracy of indoor fan rotating speed automatically.
According to one embodiment of present invention, in technique scheme, preferably, before the described current operating temperature obtaining described indoor heat exchanger, also comprise: whether the present mode of operation judging described air-conditioner is heating mode, and when the present mode of operation judging described air-conditioner is heating mode, start the described current operating temperature obtaining described indoor heat exchanger.
Control method according to an embodiment of the invention, when judging that air-conditioner operates in heating mode, just start the current operating temperature obtaining indoor heat exchanger, and realize the automatic adjustment to indoor fan rotating speed by the change judging temperature, and then reduction system running pressure, and guarantee that compressor normally runs continuously, also can reduce the operation power consumption of system simultaneously.
According to one embodiment of present invention, in technique scheme, preferably, also comprising: when described temperature-detecting device fault, is the second desired speed by the speed setting of described indoor fan.
Control method according to an embodiment of the invention, when temperature-detecting device fault, stop the current operating temperature of the indoor heat exchanger of acquisition and the first preset temperature to compare, to avoid because erroneous judgement causes larger pressure to compressor, and increase the power consumption of system.
Embodiment according to a second aspect of the invention, propose a kind of control system, for controlling air-conditioner, comprise: temperature-detecting device, be arranged at described indoor heat exchanger side, for obtaining the current operating temperature of described indoor heat exchanger, and described current operating temperature is sent to the control circuit board of air-conditioner; Described control circuit board, for judging whether described current operating temperature is more than or equal to the first preset temperature, and when judging that described current operating temperature is more than or equal to described first preset temperature, the rotating speed arranging indoor fan is positioned at first range of speeds.
Control system according to an embodiment of the invention, when judging that the current operating temperature of the indoor heat exchanger obtained is more than or equal to the first preset temperature, namely now system running pressure is larger, compressor works under the pressure condition exceeding permission, long-time maintenance superpressure work, easily cause compressor stop jumping, and the rotating speed of indoor fan is adjusted to automatically first range of speeds (such as, the high wind speed range of speeds), namely the automatic control to indoor fan rotating speed is realized by the change of temperature, effectively can reduce system running pressure, and then guarantee that compressor normally runs continuously, so, can ensure that air conditioner heat-production lasts exports on the one hand, compressor can be avoided to run under the operating pressure conditions exceeding permission for a long time on the other hand, add the flexibility of Systematical control, and improve the reliability of system cloud gray model, stability and extend service life of compressor, reduce the operation power consumption of system simultaneously.
According to one embodiment of present invention, in technique scheme, preferably, described control circuit board also for: judge whether described current operating temperature is less than or equal to the second preset temperature, and when judging that described Current Temperatures is less than or equal to described second preset temperature, controlling the speed setting of described indoor fan is the first desired speed.
Control system according to an embodiment of the invention, when judging that the current operating temperature of the indoor heat exchanger obtained is less than or equal to the second preset temperature, namely now system running pressure is reduced effectively, compressor is also in normal operating condition, be the first desired speed by the speed setting of indoor fan, this first desired speed can be automatically return to current operating temperature be more than or equal to the first preset temperature before rotating speed, also can set according to the actual demand of user, to improve Consumer's Experience.
According to one embodiment of present invention, in technique scheme, preferably, also comprise: judging unit, before described temperature-detecting device obtains the described current operating temperature of described indoor heat exchanger, for judging whether the present mode of operation of described air-conditioner is heating mode; And described temperature-detecting device specifically for: when judging that the present mode of operation of described air-conditioner is heating mode, start the described current operating temperature obtaining described indoor heat exchanger.
Control system according to an embodiment of the invention, when judging that air-conditioner operates in heating mode, just start the current operating temperature obtaining indoor heat exchanger, and realize the automatic adjustment to indoor fan rotating speed by the change judging temperature, and then reduction system running pressure, and guarantee that compressor normally runs continuously, also can reduce the operation power consumption of system simultaneously.
According to one embodiment of present invention, in technique scheme, preferably, described control circuit board also for: when described temperature-detecting device fault, controlling the speed setting of described indoor fan is the second desired speed.
Control system according to an embodiment of the invention, when temperature-detecting device fault, stop the current operating temperature of the indoor heat exchanger of acquisition and the first preset temperature to compare, to avoid because erroneous judgement causes larger pressure to compressor, and increase the power consumption of system.
According to one embodiment of present invention, in technique scheme, preferably, described temperature-detecting device is temperature sensor.
Control system according to an embodiment of the invention, temperature-detecting device includes but not limited to temperature sensor.
Embodiment according to a third aspect of the invention we, proposes a kind of air-conditioner, comprises the as above control system described in any one technical scheme.
Air-conditioner according to an embodiment of the invention, by this control system, when judging that the current operating temperature of the indoor heat exchanger obtained is more than or equal to the first preset temperature, namely now system running pressure is larger, compressor works under the pressure condition exceeding permission, long-time maintenance superpressure work, easily cause compressor stop jumping, and the rotating speed of indoor fan is adjusted to automatically first range of speeds (such as, the high wind speed range of speeds), namely the automatic control to indoor fan rotating speed is realized by the change of temperature, effectively can reduce system running pressure, and then guarantee that compressor normally runs continuously, so, can ensure that air conditioner heat-production lasts exports on the one hand, compressor can be avoided to run under the operating pressure conditions exceeding permission for a long time on the other hand, add the flexibility of Systematical control, and improve the reliability of system cloud gray model, stability and extend service life of compressor, reduce the operation power consumption of system simultaneously.
Pass through the present invention, effectively can reduce system running pressure, and then guarantee that compressor normally runs continuously, so, can ensure that air conditioner heat-production lasts exports on the one hand, on the other hand compressor can be avoided to run under the operating pressure conditions exceeding permission for a long time, add the flexibility of Systematical control, and improve the reliability of system cloud gray model, stability and extend the service life of compressor.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 shows the schematic flow sheet of control method according to an embodiment of the invention;
Fig. 2 shows the structural representation of control system according to an embodiment of the invention;
Fig. 3 shows the structural representation of air-conditioner according to an embodiment of the invention;
Fig. 4 shows the schematic flow sheet being in the control method of heating mode according to another embodiment of the invention.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
Fig. 1 shows the schematic flow sheet of control method according to an embodiment of the invention.
As shown in Figure 1, control method according to an embodiment of the invention, for controlling air-conditioner, comprising: step 104, is obtained the current operating temperature of indoor heat exchanger by temperature-detecting device; Step 106, judges whether described current operating temperature is more than or equal to the first preset temperature; Step 108, when judging that described current operating temperature is more than or equal to described first preset temperature, the rotating speed arranging indoor fan is positioned at first range of speeds.
Control method according to an embodiment of the invention, when judging that the current operating temperature of the indoor heat exchanger obtained is more than or equal to the first preset temperature, namely now system running pressure is larger, compressor works under the pressure condition exceeding permission, long-time maintenance superpressure work, easily cause compressor stop jumping, and the rotating speed of indoor fan is adjusted to automatically first range of speeds (such as, the high wind speed range of speeds), namely the automatic control to indoor fan rotating speed is realized by the change of temperature, effectively can reduce system running pressure, and then guarantee that compressor normally runs continuously, so, can ensure that air conditioner heat-production lasts exports on the one hand, compressor can be avoided to run under the operating pressure conditions exceeding permission for a long time on the other hand, add the flexibility of Systematical control, and improve the reliability of system cloud gray model, stability and extend service life of compressor, reduce the operation power consumption of system simultaneously.
According to one embodiment of present invention, in technique scheme, preferably, also comprise: step 110, judge whether described current operating temperature is less than or equal to the second preset temperature; The speed setting of described indoor fan, when judging that described Current Temperatures is less than or equal to described second preset temperature, is the first desired speed by step 112.
Control method according to an embodiment of the invention, when judging that the current operating temperature of the indoor heat exchanger obtained is less than or equal to the second preset temperature, namely now system running pressure is reduced effectively, compressor is also in normal operating condition, be the first desired speed by the speed setting of indoor fan, this first desired speed can be automatically return to current operating temperature be more than or equal to the first preset temperature before rotating speed, also can set according to the actual demand of user, to improve Consumer's Experience.
According to one embodiment of present invention, in technique scheme, preferably, described first preset temperature is positioned at the first temperature range, described second preset temperature is positioned at the second temperature range, and wherein, described first preset temperature is greater than described second preset temperature.
Control method according to an embodiment of the invention, the first temperature range residing for the first preset temperature can be 55 DEG C ~ 65 DEG C, but is not limited thereto temperature range; The second temperature range described in second preset temperature can be 50 DEG C ~ 60 DEG C, but be not limited thereto temperature range, generally, the temperature value of the first preset temperature is greater than the temperature value of the second preset temperature, can guarantee that the change according to temperature adjusts the accuracy of indoor fan rotating speed automatically.
According to one embodiment of present invention, in technique scheme, preferably, before the described current operating temperature obtaining described indoor heat exchanger, also comprise: step 102, whether the present mode of operation judging described air-conditioner is heating mode, and when the present mode of operation judging described air-conditioner is heating mode, starts the described current operating temperature obtaining described indoor heat exchanger.
Control method according to an embodiment of the invention, when judging that air-conditioner operates in heating mode, just start the current operating temperature obtaining indoor heat exchanger, and realize the automatic adjustment to indoor fan rotating speed by the change judging temperature, and then reduction system running pressure, and guarantee that compressor normally runs continuously, also can reduce the operation power consumption of system simultaneously.
According to one embodiment of present invention, in technique scheme, preferably, also comprising: when described temperature-detecting device fault, is the second desired speed by the speed setting of described indoor fan.
Control method according to an embodiment of the invention, when temperature-detecting device fault, stop the current operating temperature of the indoor heat exchanger of acquisition and the first preset temperature to compare, to avoid because erroneous judgement causes larger pressure to compressor, and increase the power consumption of system.
Fig. 2 shows the structural representation of control system according to an embodiment of the invention.
As shown in Figure 2, control system 200 according to an embodiment of the invention, for controlling air-conditioner, comprise: temperature-detecting device 202, be arranged at described indoor heat exchanger side, for obtaining the current operating temperature of described indoor heat exchanger, and described current operating temperature is sent to the control circuit board 204 of air-conditioner; Described control circuit board 204, for judging whether described current operating temperature is more than or equal to the first preset temperature, and when judging that described current operating temperature is more than or equal to described first preset temperature, the rotating speed arranging indoor fan is positioned at first range of speeds.
Control system 200 according to an embodiment of the invention, when judging that the current operating temperature of the indoor heat exchanger obtained is more than or equal to the first preset temperature, namely now system running pressure is larger, compressor works under the pressure condition exceeding permission, long-time maintenance superpressure work, easily cause compressor stop jumping, and the rotating speed of indoor fan is adjusted to automatically first range of speeds (such as, the high wind speed range of speeds), namely the automatic control to indoor fan rotating speed is realized by the change of temperature, effectively can reduce system running pressure, and then guarantee that compressor normally runs continuously, so, can ensure that air conditioner heat-production lasts exports on the one hand, compressor can be avoided to run under the operating pressure conditions exceeding permission for a long time on the other hand, add the flexibility of Systematical control, and improve the reliability of system cloud gray model, stability and extend service life of compressor, reduce the operation power consumption of system simultaneously.
According to one embodiment of present invention, in technique scheme, preferably, described control circuit board 204 also for: judge whether described current operating temperature is less than or equal to the second preset temperature, and when judging that described Current Temperatures is less than or equal to described second preset temperature, controlling the speed setting of described indoor fan is the first desired speed.
Control system 200 according to an embodiment of the invention, when judging that the current operating temperature of the indoor heat exchanger obtained is less than or equal to the second preset temperature, namely now system running pressure is reduced effectively, compressor is also in normal operating condition, be the first desired speed by the speed setting of indoor fan, this first desired speed can be automatically return to current operating temperature be more than or equal to the first preset temperature before rotating speed, also can set according to the actual demand of user, to improve Consumer's Experience.
According to one embodiment of present invention, in technique scheme, preferably, also comprise: judging unit 206, before described temperature-detecting device 202 obtains the described current operating temperature of described indoor heat exchanger, for judging whether the present mode of operation of described air-conditioner is heating mode; And described temperature-detecting device 202 specifically for: when judging that the present mode of operation of described air-conditioner is heating mode, start the described current operating temperature obtaining described indoor heat exchanger.
Control system 200 according to an embodiment of the invention, when judging that air-conditioner operates in heating mode, just start the current operating temperature obtaining indoor heat exchanger, and realize the automatic adjustment to indoor fan rotating speed by the change judging temperature, and then reduction system running pressure, and guarantee that compressor normally runs continuously, also can reduce the operation power consumption of system simultaneously.
According to one embodiment of present invention, in technique scheme, preferably, described control circuit board 204 also for: when described temperature-detecting device 202 fault, controlling the speed setting of described indoor fan is the second desired speed.
Control system 200 according to an embodiment of the invention, when temperature-detecting device 202 fault, stop the current operating temperature of the indoor heat exchanger of acquisition and the first preset temperature to compare, to avoid because erroneous judgement causes larger pressure to compressor, and increase the power consumption of system.
According to one embodiment of present invention, in technique scheme, preferably, described temperature-detecting device 202 is temperature sensor.
Control system 200 according to an embodiment of the invention, temperature-detecting device 202 includes but not limited to temperature sensor.
Fig. 3 shows the structural representation of air-conditioner according to an embodiment of the invention.
As shown in Figure 3, air-conditioner 300 according to an embodiment of the invention, comprises the control system 200 as above described in any embodiment.
Air-conditioner 300 according to an embodiment of the invention, by this control system 200, when judging that the current operating temperature of the indoor heat exchanger obtained is more than or equal to the first preset temperature, namely now system running pressure is larger, compressor works under the pressure condition exceeding permission, long-time maintenance superpressure work, easily cause compressor stop jumping, and the rotating speed of indoor fan is adjusted to automatically first range of speeds (such as, the high wind speed range of speeds), namely the automatic control to indoor fan rotating speed is realized by the change of temperature, effectively can reduce system running pressure, and then guarantee that compressor normally runs continuously, so, can ensure that air conditioner heat-production lasts exports on the one hand, compressor can be avoided to run under the operating pressure conditions exceeding permission for a long time on the other hand, add the flexibility of Systematical control, and improve the reliability of system cloud gray model, stability and extend service life of compressor, reduce the operation power consumption of system simultaneously.
Fig. 4 shows the schematic flow sheet being in the control method of heating mode according to another embodiment of the invention.
As shown in Figure 4, when air-conditioner is in heating mode, the current operating temperature that temperature sensor (temperature-detecting device) obtains is T
2(DEG C), then work as T
2when being more than or equal to X (DEG C) (the first preset temperature), the paramount wind of rotating speed (first range of speeds) of adjustment indoor fan automatically; Work as T
2when being less than or equal to Y (DEG C) (the second preset temperature), the rotating speed of adjustment indoor fan is to setting wind (the first desired speed), the temperature range of X can be 55 DEG C ~ 65 DEG C, but be not limited thereto, the temperature range of Y can be 50 DEG C ~ 60 DEG C, but be not limited thereto, wherein, the temperature value of X is greater than the temperature value of Y.So, realize the automatic control to indoor fan rotating speed by the change of temperature, effectively reduce system running pressure, and then guarantee that compressor normally runs continuously.
More than be described with reference to the accompanying drawings technical scheme of the present invention, when judging that the current operating temperature of the indoor heat exchanger obtained is more than or equal to the first preset temperature, namely now system running pressure is larger, compressor works under the pressure condition exceeding permission, long-time maintenance superpressure work, easily cause compressor stop jumping, and the rotating speed of indoor fan is adjusted to automatically first range of speeds (such as, the high wind speed range of speeds), namely the automatic control to indoor fan rotating speed is realized by the change of temperature, effectively can reduce system running pressure, and then guarantee that compressor normally runs continuously, so, can ensure that air conditioner heat-production lasts exports on the one hand, compressor can be avoided to run under the operating pressure conditions exceeding permission for a long time on the other hand, add the flexibility of Systematical control, and improve the reliability of system cloud gray model, stability and extend service life of compressor, reduce the operation power consumption of system simultaneously.
In the present invention, term " first ", " second " object only for describing, and instruction or hint relative importance can not be interpreted as.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this description, specific features, structure, material or feature that the description of term " embodiment ", " specific embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a control method, for controlling air-conditioner, is characterized in that, comprising:
The current operating temperature of indoor heat exchanger is obtained by temperature-detecting device;
Judge whether described current operating temperature is more than or equal to the first preset temperature;
When judging that described current operating temperature is more than or equal to described first preset temperature, the rotating speed arranging indoor fan is positioned at first range of speeds.
2. control method according to claim 1, is characterized in that, also comprises: judge whether described current operating temperature is less than or equal to the second preset temperature, and
When judging that described Current Temperatures is less than or equal to described second preset temperature, be the first desired speed by the speed setting of described indoor fan.
3. control method according to claim 2, is characterized in that, described first preset temperature is positioned at the first temperature range, and described second preset temperature is positioned at the second temperature range, and wherein, described first preset temperature is greater than described second preset temperature.
4. control method according to any one of claim 1 to 3, is characterized in that, before the described current operating temperature obtaining described indoor heat exchanger, also comprises: whether the present mode of operation judging described air-conditioner is heating mode, and
When the present mode of operation judging described air-conditioner is heating mode, start the described current operating temperature obtaining described indoor heat exchanger.
5. the control method of air-conditioner according to claim 4, is characterized in that, also comprises: when described temperature-detecting device fault, is the second desired speed by the speed setting of described indoor fan.
6. a control system, for controlling air-conditioner, is characterized in that, comprising:
Temperature-detecting device, is arranged at described indoor heat exchanger side, for obtaining the current operating temperature of described indoor heat exchanger, and described current operating temperature is sent to the control circuit board of air-conditioner;
Described control circuit board, for judging whether described current operating temperature is more than or equal to the first preset temperature, and
When judging that described current operating temperature is more than or equal to described first preset temperature, the rotating speed arranging indoor fan is positioned at first range of speeds.
7. control system according to claim 6, is characterized in that, described control circuit board also for: judge whether described current operating temperature is less than or equal to the second preset temperature, and
When judging that described Current Temperatures is less than or equal to described second preset temperature, controlling the speed setting of described indoor fan is the first desired speed.
8. the control system according to claim 6 or 7, it is characterized in that, also comprise: judging unit, before described temperature-detecting device obtains the described current operating temperature of described indoor heat exchanger, for judging whether the present mode of operation of described air-conditioner is heating mode; And
Described temperature-detecting device specifically for: when judging that the present mode of operation of described air-conditioner is heating mode, start the described current operating temperature obtaining described indoor heat exchanger.
9. control system according to claim 8, is characterized in that, described control circuit board also for: when described temperature-detecting device fault, controlling the speed setting of described indoor fan is the second desired speed.
10. the control system according to claim 6,7 or 9, is characterized in that, described temperature-detecting device is temperature sensor.
11. 1 kinds of air-conditioners, is characterized in that, comprise the control system according to any one of claim 6 to 10.
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| CN108626858B (en) * | 2018-05-02 | 2021-06-29 | 广东美的制冷设备有限公司 | Control method and control system of air conditioner, remote controller and air conditioner |
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| CN113531662A (en) * | 2021-06-02 | 2021-10-22 | 海信（山东）空调有限公司 | Air conditioner and control method for rotating speed of indoor fan |
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