CN105042782A - Control method and device of air conditioner - Google Patents
Control method and device of air conditioner Download PDFInfo
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- CN105042782A CN105042782A CN201510444618.1A CN201510444618A CN105042782A CN 105042782 A CN105042782 A CN 105042782A CN 201510444618 A CN201510444618 A CN 201510444618A CN 105042782 A CN105042782 A CN 105042782A
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- conditioner
- air
- indoor
- temperature
- described air
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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
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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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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- 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
Abstract
The invention discloses a control method of an air conditioner. The control method of the air conditioner comprises the steps that when the air conditioner receives a turn-off signal, an outdoor draught fan of the air conditioner is turned off; an air guide device and an indoor draught fan of the air conditioner are controlled to operate continuously; the temperature of the indoor environment and the temperature of an indoor unit heat exchanger of the air conditioner are obtained; when the temperature difference of the temperature of the indoor environment and the temperature of the indoor unit heat exchanger is smaller than a preset temperature value, the indoor draught fan and the air guide device are turned off. The invention further discloses a control device of the air conditioner. By means of the control method and device of the air conditioner, when the air conditioner is turned off, the outdoor draught fan is turned off firstly while the indoor draught fan and the air guide device are controlled to operate continuously, and thus the noise generated by the indoor unit in the turn-off process is lowered.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly relate to a kind of control method and device of air-conditioner.
Background technology
At present, after air-conditioner shuts down under the operational mode that refrigeration mode, dehumidification mode or heating mode etc. are different, the indoor fan of air-conditioner generally all can stop or postponing stopping after several seconds at once.Due in air-conditioner refrigeration mode, dehumidification mode or heating mode isotype running, the temperature difference between the temperature of the parts such as indoor set airframe structure part, indoor heat exchanger of air-conditioner and indoor environment temperature is larger, after causing air-conditioner to shut down, the parts such as indoor set airframe structure part, indoor heat exchanger can produce noise because expanding with heat and contract with cold in deformation process.
Summary of the invention
Main purpose of the present invention is the control method and the device that provide a kind of air-conditioner, the noise that when being intended to reduce air-conditioner shutdown, indoor set produces.
For achieving the above object, the invention provides a kind of control method of air-conditioner, comprise the following steps:
When air-conditioner receives off signal, close the outdoor fan of described air-conditioner;
The air ducting and the indoor fan that control described air-conditioner continue to run;
Obtain the indoor set heat exchanger temperature of indoor environment temperature and described air-conditioner;
When the temperature difference between described indoor environment temperature and described indoor set heat exchanger temperature is less than preset temperature value, close described indoor fan and described air ducting.
Preferably, also comprise after the indoor set heat exchanger temperature of described acquisition indoor environment temperature and described air-conditioner:
The temperature difference between described indoor environment temperature and described indoor set heat exchanger temperature is more than or equal to preset temperature value, and when the duration controlling described air ducting and described indoor fan continuation operation is more than or equal to Preset Time, close described indoor fan and described air ducting.
Preferably, described when air-conditioner receives off signal, the outdoor fan of closing described air-conditioner comprises:
When air-conditioner receives off signal, obtain the operational mode of described air-conditioner, and when described air-conditioner operate in preset mode time, close the outdoor fan of described air-conditioner.
Preferably, the air ducting of the described air-conditioner of described control and indoor fan continue operation and comprise:
When described air-conditioner operates in refrigeration mode or dehumidification mode, control described air ducting and described indoor fan and run according to receiving the operational factor before off signal.
Preferably, the air ducting of the described air-conditioner of described control and indoor fan continue operation and comprise:
When described air-conditioner operates in heating mode, control described air ducting upwards wind-guiding, and control described indoor fan and run according to preset rotation speed.
In addition, for achieving the above object, present invention also offers a kind of control device of air-conditioner, comprising:
First closing module, for when air-conditioner receives off signal, closes the outdoor fan of described air-conditioner;
Control module, continues to run for the air ducting and indoor fan controlling described air-conditioner;
Acquisition module, for obtaining the indoor set heat exchanger temperature of indoor environment temperature and described air-conditioner;
Second closing module, when being less than preset temperature value for the temperature difference between described indoor environment temperature and described indoor set heat exchanger temperature, closes described indoor fan and described air ducting.
Preferably, the control device of described air-conditioner also comprises:
Processing module, for being more than or equal to preset temperature value when the temperature difference between described indoor environment temperature and described indoor set heat exchanger temperature, and when the duration controlling described air ducting and described indoor fan continuation operation is more than or equal to Preset Time, close described indoor fan and described air ducting.
Preferably, described first closing module also for, when air-conditioner receives off signal, obtain the operational mode of described air-conditioner, and when described air-conditioner operate in preset mode time, close the outdoor fan of described air-conditioner.
Preferably, described control module also for, when described air-conditioner operates in refrigeration mode or dehumidification mode, control described air ducting and described indoor fan and run according to receiving the operational factor before off signal.
Preferably, described control module also for, when described air-conditioner operates in heating mode, control described air ducting upwards wind-guiding, and control described indoor fan and run according to preset rotation speed.
The embodiment of the present invention is when air-conditioner receives off signal, first close the outdoor fan of described air-conditioner, and the indoor fan of the air ducting and air-conditioner that control air-conditioner continues to run, by indoor fan indoor heat exchanger heated up or lower the temperature the difference that reduces between indoor heat exchanger and environment temperature, and the temperature difference between indoor environment temperature and indoor set heat exchanger temperature is when being less than preset temperature value, close chamber's inner blower and air ducting, make the temperature of the parts such as indoor heat exchanger as far as possible close to indoor environment temperature, reduce the distortion that the parts such as indoor heat exchanger produce because expanding with heat and contract with cold, the noise that further reduction produces in deformation process.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of control method first embodiment of air-conditioner of the present invention;
Fig. 2 is the schematic flow sheet of control method second embodiment of air-conditioner of the present invention;
Fig. 3 is the high-level schematic functional block diagram of control device first embodiment of air-conditioner of the present invention;
Fig. 4 is the high-level schematic functional block diagram of control device second embodiment of air-conditioner 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.
As shown in Figure 1, control method first embodiment of a kind of air-conditioner of the present invention is shown.The control method of the air-conditioner of this embodiment comprises:
Step S10, when air-conditioner receives off signal, close the outdoor fan of described air-conditioner;
In the present embodiment, when air-conditioner receives off signal, according to current operational mode, the operation of outdoor fan will be stopped.Further, when air-conditioner receives off signal, obtain the operational mode of described air-conditioner, and when described air-conditioner operate in preset mode time, close the outdoor fan of described air-conditioner.
Particularly, when air-conditioner operates under refrigeration mode or dehumidification mode or heating mode, the outdoor fan of air-conditioner can run, when air-conditioner shuts down, first the operation of air-conditioner outdoor unit is stopped, to prevent air-conditioner when refrigeration mode or dehumidification mode operation turn shutdown, the compressor of off-premises station is continuing, in the process run, to cause indoor environment temperature to reduce; Or prevent air-conditioner when heating mode operation turns shutdown, the compressor of off-premises station is continuing, in the process run, to cause indoor environment temperature to raise.When air-conditioner operates under air supply pattern, the outdoor fan of air-conditioner can not startup optimization, does not now need when air-conditioner receives off signal, closes the outdoor fan of air-conditioner.When air-conditioner runs in automatic mode, automatically can set target temperature, and according to the deviation between current indoor environment temperature and target temperature, switch the operational mode of air-conditioner.If now air-conditioner switches to air supply pattern when turning shutdown, the outdoor fan of air-conditioner does not run.
Step S20, the air ducting controlling described air-conditioner and indoor fan continue to run;
After air-conditioner receives off signal, in the above-mentioned operation first stopping air-conditioner outdoor unit, and postpone air ducting and the indoor fan closedown of air-conditioner, and control the guiding of air ducting of air-conditioner and the rotating speed of the indoor fan of air-conditioner according to the operational mode before air-conditioner shutdown, detailed description of the invention is as follows:
Further, in one embodiment, when described air-conditioner operates in refrigeration mode or dehumidification mode, control described air ducting and described indoor fan and run according to receiving the operational factor before off signal.
Air-conditioner is in refrigeration mode or dehumidification mode running, after receiving off signal, when the air ducting and indoor fan that control air-conditioner continue to run, control air ducting to run according to receiving the state before off signal, meanwhile, control room inner blower runs according to receiving the rotating speed before off signal.Close off-premises station due to above-mentioned, now, the compressor of off-premises station is out of service, and the wind of air ducting blowout has not been cold wind, higher relative to the temperature of the wind blown out before receiving off signal.Therefore, air ducting and indoor fan, according to receiving in process that the operational factor before off signal runs, not only can make user feel comfortable, and the parts temperature such as the indoor heat exchanger of air-conditioner also will move closer to indoor environment temperature.
Further, in another embodiment, when described air-conditioner operates in heating mode, control described air ducting upwards wind-guiding, and control described indoor fan and run according to preset rotation speed.
Air-conditioner, in heating mode running, after receiving off signal, closes off-premises station due to above-mentioned, now, the compressor of off-premises station is out of service, and the wind of air ducting blowout has not been hot blast, and the wind blown out before out of service relative to the compressor of off-premises station is cold wind.Blow less than user to make this cold wind, control air ducting upwards to lead, upwards predetermined angle guiding can be set to, this predetermined angle can be and guided toward top by air-flow as far as possible, blow to make cold wind and be advisable less than user, air ducting upwards predetermined angle guiding can be arranged flexibly according to concrete conditions such as air conditioner type.Meanwhile, in order to reduce the temperature difference between indoor set heat exchanger temperature and indoor environment temperature, now, control room inner blower runs according to preset rotation speed.This preset rotation speed can ensure within a certain period of time, and the parts temperature such as the indoor heat exchanger of air-conditioner, close to indoor environment temperature, are unlikely to again wind speed too high and cause cold wind to blow to user, user is done not feel like oneself.Therefore, can pre-set the mapping relations between the rotating speed of indoor fan, indoor set heat exchanger temperature and indoor environment temperature, as shown in table 1, table 1 is the mapping relations table between the rotating speed of indoor fan, indoor set heat exchanger temperature and indoor environment temperature.Wherein, T1, T2, T3 ... Tn is different indoor environment temperature, t1, t2, t3 ... tn is different indoor set heat exchanger temperature, V11, V12, V13 ... Vnn is the rotating speed of indoor fan, and the value of n can be arranged as the case may be and flexibly.Be understandable that, V11, V12, V13 ... in Vnn, the value of some rotating speed can be consistent.
Mapping relations table between the rotating speed of table 1 indoor fan, indoor set heat exchanger temperature and indoor environment temperature
| T1 | T2 | T3 | … | Tn | |
| t1 | V11 | V12 | V13 | … | V1n |
| t2 | V21 | V22 | V23 | … | V2n |
| t3 | V31 | V32 | V33 | … | V3n |
| … | … | … | … | … | … |
| tn | Vn1 | Vn2 | Vn3 | … | Vnn |
In order to make the temperature of the parts such as indoor heat exchanger close to indoor environment temperature, the rotating speed of the mapping relations conditioning chamber inner blower according to table 1 can be followed.Such as, be T1 when detecting the indoor set heat exchanger temperature obtained, detecting the indoor environment temperature obtained is t3, then can control indoor fan and operate in rotating speed V31.Be understandable that, the mapping relations between the rotating speed of indoor fan, indoor set heat exchanger temperature and indoor environment temperature can be arranged as the case may be and flexibly, do not limit the present invention.
The indoor set heat exchanger temperature of step S30, acquisition indoor environment temperature and described air-conditioner;
In the present embodiment, air-conditioner also comprises the indoor environment temperature sensor for obtaining indoor environment temperature, and for the indoor set heat exchanger temperature sensor of the indoor set heat exchanger temperature that obtains air-conditioner.When air-conditioner receives off signal, indoor environment temperature sensor and indoor set heat exchanger temperature sensor will detect indoor environment temperature and indoor set heat exchanger temperature in real time, and by the data feedback that obtains to indoor set main controller.
When step S40, the temperature difference between described indoor environment temperature and described indoor set heat exchanger temperature are less than preset temperature value, close described indoor fan and described air ducting.
Continue to run at above-mentioned air-conditioner shutdown time control air ducting and indoor fan, when shutting down to prevent air-conditioner, the deviation of indoor set heat exchanger temperature and indoor environment temperature is excessive, and the parts such as indoor set airframe structure part, indoor heat exchanger of air-conditioner produce larger noise because expanding with heat and contract with cold in deformation process.Therefore, air-conditioner operate in turn shutdown under refrigeration mode or dehumidification mode or heating mode time, by the indoor environment temperature that obtains and indoor set heat exchanger temperature feedback to after indoor set main controller, main controller processes data, to obtain the temperature difference between indoor environment temperature and indoor set heat exchanger temperature.When this temperature difference is less than preset temperature value, first stop the rotation of indoor fan, then close the wind deflector of air ducting.This preset temperature value can be arranged according to actual conditions.Because the indoor heat exchanger of air-conditioner is positioned at air outlet, therefore, only need detect indoor set heat exchanger temperature, then can know the temperature of the parts such as indoor apparatus of air conditioner airframe structure part, indoor heat exchanger, thus can compare according to indoor set heat exchanger temperature and indoor environment temperature, and the temperature difference reduced between them, and the object of the noise that the temperature arriving the parts such as reduction indoor apparatus of air conditioner airframe structure part, indoor heat exchanger produces in deformation process because expanding with heat and contract with cold.
It should be noted that, due to the difference of the aspect such as version, material that the indoor set of different type of machines adopts, also can be variant to the setting of this preset temperature value, need rationally to arrange as the case may be, with when air-conditioner is closed, reduce the noise produced when indoor apparatus of air conditioner expands with heat and contract with cold.Therefore, according to the indoor set of different types, different preset temperature value can be set.
The embodiment of the present invention is when air-conditioner receives off signal, first close the outdoor fan of described air-conditioner, and the indoor fan of the air ducting and air-conditioner that control air-conditioner continues to run, and the temperature difference between indoor environment temperature and indoor set heat exchanger temperature is when being less than preset temperature value, close chamber's inner blower and air ducting, thus achieve the closedown postponing air ducting and indoor fan.Make the temperature of the parts such as indoor apparatus of air conditioner airframe structure part, indoor heat exchanger as far as possible close to indoor environment temperature, reach the object of the noise that parts such as reducing air-conditioner shutdown rear indoor apparatus of air conditioner airframe structure part, indoor heat exchanger produce in deformation process because expanding with heat and contract with cold, to improve the comfortableness of user's using air-condition device.
Further, as shown in Figure 2, based on above-described embodiment, propose the second embodiment of the control method of air-conditioner of the present invention, can comprise after above-mentioned steps S30 in this embodiment:
Step S50, the temperature difference between described indoor environment temperature and described indoor set heat exchanger temperature are more than or equal to preset temperature value, and when the duration controlling described air ducting and described indoor fan continuation operation is more than or equal to Preset Time, close described indoor fan and described air ducting.
In order to avoid breaking down at indoor environment temperature sensor or indoor set heat exchanger temperature sensor, or under some extreme cases such as the deviation of the temperature gathered and actual temperature is excessive, cause the overlong time of indoor fan late release, cause electricity to waste.Therefore, before being powered off under air-conditioner running refrigerating pattern or dehumidification mode or heating mode, the temperature difference between indoor environment temperature and indoor set heat exchanger temperature is more than or equal to preset temperature value, and the duration that the air ducting of above-mentioned control air-conditioner and indoor fan continue to run is when being more than or equal to Preset Time, will close chamber's inner blower and air ducting.This preset temperature value is consistent with the above-mentioned preset temperature value mentioned, and this Preset Time can be set to 5 minutes, also can arrange as the case may be and flexibly.
In the present embodiment, air-conditioner can comprise timer or preset timing module, for gathering the duration of air ducting and the indoor fan continuation operation controlling air-conditioner.Obtain duration mode can comprise: 1) mode one: air-conditioner is in the process run, and after receiving off signal, triggered timer starts timing, and to the air-conditioner Real-time Feedback duration; 2) mode two: by having the terminal of annexation to carry out timing with air-conditioner, the type of this terminal can be arranged according to actual needs.Such as, when air-conditioner shuts down, sent by communicator and start riming instructions to terminal, terminal carries out timing after receiving the beginning riming instructions that air-conditioner sends over.Stop timing when the duration reaches Preset Time, and return the duration to air-conditioner, perform corresponding operation to make air-conditioner according to the duration returned.The mode of above-mentioned acquisition duration is only enumerating of detailed description of the invention, and the mode of other acquisition duration that those skilled in the art propose, all in protection scope of the present invention.
Accordingly, as shown in Figure 3, control device first embodiment of a kind of air-conditioner of the present invention is proposed.The control device of the air-conditioner of this embodiment comprises:
First closing module 100, for when air-conditioner receives off signal, closes the outdoor fan of described air-conditioner;
In the present embodiment, when air-conditioner receives off signal, the first closing module 100 according to current operational mode, will stop the operation of outdoor fan.Further, described first closing module 100 also for, when air-conditioner receives off signal, obtain the operational mode of described air-conditioner, and when described air-conditioner operate in preset mode time, close the outdoor fan of described air-conditioner.
Particularly, when air-conditioner operates under refrigeration mode or dehumidification mode or heating mode, the outdoor fan of air-conditioner can run, when air-conditioner shuts down, first first closing module 100 stops the operation of air-conditioner outdoor unit, to prevent air-conditioner when refrigeration mode or dehumidification mode operation turn shutdown, the compressor of off-premises station is continuing, in the process run, to cause indoor environment temperature to reduce; Or prevent air-conditioner when heating mode operation turns shutdown, the compressor of off-premises station is continuing, in the process run, to cause indoor environment temperature to raise.When air-conditioner operates under air supply pattern, the outdoor fan of air-conditioner can not startup optimization, does not now need when air-conditioner receives off signal, closes the outdoor fan of air-conditioner.When air-conditioner runs in automatic mode, automatically can set target temperature, and according to the deviation between current indoor environment temperature and target temperature, switch the operational mode of air-conditioner.If now air-conditioner switches to air supply pattern when turning shutdown, the outdoor fan of air-conditioner does not run.
Control module 200, continues to run for the air ducting and indoor fan controlling described air-conditioner;
After air-conditioner receives off signal, in the above-mentioned operation first stopping air-conditioner outdoor unit, and postpone air ducting and the indoor fan closedown of air-conditioner, the operational mode control guiding of air ducting of air-conditioner before being shut down according to air-conditioner by control module 200 and the rotating speed of the indoor fan of air-conditioner, detailed description of the invention is as follows:
Further, in one embodiment, described control module 200 also for, when described air-conditioner operates in refrigeration mode or dehumidification mode, control described air ducting and described indoor fan and run according to receiving the operational factor before off signal.
Air-conditioner is in refrigeration mode or dehumidification mode running, after receiving off signal, control module 200 is when the air ducting and indoor fan that control air-conditioner continue to run, control air ducting to run according to receiving the state before off signal, meanwhile, control room inner blower runs according to receiving the rotating speed before off signal.Close off-premises station due to above-mentioned, now, the compressor of off-premises station is out of service, and the wind of air ducting blowout has not been cold wind, higher relative to the temperature of the wind blown out before receiving off signal.Therefore, air ducting and indoor fan, according to receiving in process that the operational factor before off signal runs, not only can make user feel comfortable, and the parts temperature such as the indoor heat exchanger of air-conditioner also will move closer to indoor environment temperature.
Further, in another embodiment, described control module 200 also for, when described air-conditioner operates in heating mode, control described air ducting upwards wind-guiding, and control described indoor fan and run according to preset rotation speed.
Air-conditioner, in heating mode running, after receiving off signal, closes off-premises station due to above-mentioned, now, the compressor of off-premises station is out of service, and the wind of air ducting blowout has not been hot blast, and the wind blown out before out of service relative to the compressor of off-premises station is cold wind.Blow less than user to make this cold wind, control module 200 controls air ducting and upwards leads, upwards predetermined angle guiding can be set to, this predetermined angle can be and guided toward top by air-flow as far as possible, blow to make cold wind and be advisable less than user, air ducting upwards predetermined angle guiding can be arranged flexibly according to concrete conditions such as air conditioner type.Meanwhile, in order to reduce the temperature difference between indoor set heat exchanger temperature and indoor environment temperature, now, control module 200 control room inner blower runs according to preset rotation speed.This preset rotation speed can ensure within a certain period of time, and the parts temperature such as the indoor heat exchanger of air-conditioner, close to indoor environment temperature, are unlikely to again wind speed too high and cause cold wind to blow to user, user is done not feel like oneself.Therefore, the mapping relations between the rotating speed of indoor fan, indoor set heat exchanger temperature and indoor environment temperature can be pre-set, as shown in table 1.Wherein, T1, T2, T3 ... Tn is different indoor environment temperature, t1, t2, t3 ... tn is different indoor set heat exchanger temperature, V11, V12, V13 ... Vnn is the rotating speed of indoor fan, and the value of n can be arranged as the case may be and flexibly.Be understandable that, V11, V12, V13 ... in Vnn, the value of some rotating speed can be consistent.
Mapping relations between the rotating speed of table 1. indoor fan, indoor set heat exchanger temperature and indoor environment temperature
| T1 | T2 | T3 | … | Tn | |
| t1 | V11 | V12 | V13 | … | V1n |
| t2 | V21 | V22 | V23 | … | V2n |
| t3 | V31 | V32 | V33 | … | V3n |
| … | … | … | … | … | … |
| tn | Vn1 | Vn2 | Vn3 | … | Vnn |
In order to make the temperature of the parts such as indoor heat exchanger close to indoor environment temperature, the rotating speed of the mapping relations conditioning chamber inner blower according to table 1 can be followed.Such as, be T1 when detecting the indoor set heat exchanger temperature obtained, detecting the indoor environment temperature obtained is t3, then can control indoor fan and operate in rotating speed V31.Be understandable that, the mapping relations between the rotating speed of indoor fan, indoor set heat exchanger temperature and indoor environment temperature can be arranged as the case may be and flexibly, do not limit the present invention.
Acquisition module 300, for obtaining the indoor set heat exchanger temperature of indoor environment temperature and described air-conditioner;
In the present embodiment, air-conditioner also comprises the indoor environment temperature sensor for obtaining indoor environment temperature, and for the indoor set heat exchanger temperature sensor of the indoor set heat exchanger temperature that obtains air-conditioner.When air-conditioner receives off signal, indoor environment temperature and indoor set heat exchanger temperature will be detected by acquisition module 300 in real time by indoor environment temperature sensor and indoor set heat exchanger temperature sensor, and by the data feedback that obtains to indoor set main controller.
Second closing module 400, when being less than preset temperature value for the temperature difference between described indoor environment temperature and described indoor set heat exchanger temperature, closes described indoor fan and described air ducting.Continue to run at above-mentioned air-conditioner shutdown time control air ducting and indoor fan, when shutting down to prevent air-conditioner, the deviation of indoor set heat exchanger temperature and indoor environment temperature is excessive, and the parts such as indoor set airframe structure part, indoor heat exchanger of air-conditioner produce larger noise because expanding with heat and contract with cold in deformation process.Therefore, air-conditioner operate in turn shutdown under refrigeration mode or dehumidification mode or heating mode time, by the indoor environment temperature that obtains and indoor set heat exchanger temperature feedback to after indoor set main controller, main controller processes data, to obtain the temperature difference between indoor environment temperature and indoor set heat exchanger temperature.When this temperature difference is less than preset temperature value, the second closing module 400 first stops the rotation of indoor fan, then closes the wind deflector of air ducting.This preset temperature value can be arranged according to actual conditions.Because the indoor heat exchanger of air-conditioner is positioned at air outlet, therefore, only need detect indoor set heat exchanger temperature, then can know the temperature of the parts such as indoor apparatus of air conditioner airframe structure part, indoor heat exchanger, thus can compare according to indoor set heat exchanger temperature and indoor environment temperature, and the temperature difference reduced between them, and the object of the noise that the temperature arriving the parts such as reduction indoor apparatus of air conditioner airframe structure part, indoor heat exchanger produces in deformation process because expanding with heat and contract with cold.
It should be noted that, due to the difference of the aspect such as version, material that the indoor set of different type of machines adopts, also can be variant to the setting of this preset temperature value, need rationally to arrange as the case may be, with when air-conditioner is closed, reduce the noise produced when indoor apparatus of air conditioner expands with heat and contract with cold.Therefore, according to the indoor set of different types, different preset temperature value can be set.
The embodiment of the present invention is when air-conditioner receives off signal, first close the outdoor fan of described air-conditioner, and the indoor fan of the air ducting and air-conditioner that control air-conditioner continues to run, and the temperature difference between indoor environment temperature and indoor set heat exchanger temperature is when being less than preset temperature value, close chamber's inner blower and air ducting, thus achieve the closedown postponing air ducting and indoor fan.Make the temperature of the parts such as indoor apparatus of air conditioner airframe structure part, indoor heat exchanger as far as possible close to indoor environment temperature, reach the object of the noise that parts such as reducing air-conditioner shutdown rear indoor apparatus of air conditioner airframe structure part, indoor heat exchanger produce in deformation process because expanding with heat and contract with cold, to improve the comfortableness of user's using air-condition device.
As shown in Figure 4, based on above-described embodiment, control device second embodiment of a kind of air-conditioner of the present invention is proposed.The control device of the air-conditioner of this embodiment also comprises:
Processing module 500, for being more than or equal to preset temperature value when the temperature difference between described indoor environment temperature and described indoor set heat exchanger temperature, and when the duration controlling described air ducting and described indoor fan continuation operation is more than or equal to Preset Time, close described indoor fan and described air ducting.
In order to avoid breaking down at indoor environment temperature sensor or indoor set heat exchanger temperature sensor, or under some extreme cases such as the deviation of the temperature gathered and actual temperature is excessive, cause the overlong time of indoor fan late release, cause electricity to waste.Therefore, processing module 500 is before being powered off under air-conditioner running refrigerating pattern or dehumidification mode or heating mode, the temperature difference between indoor environment temperature and indoor set heat exchanger temperature is more than or equal to preset temperature value, and the duration that the air ducting of above-mentioned control air-conditioner and indoor fan continue to run is when being more than or equal to Preset Time, will close chamber's inner blower and air ducting.This preset temperature value is consistent with the above-mentioned preset temperature value mentioned, and this Preset Time can be set to 5 minutes, also can arrange as the case may be and flexibly.
In the present embodiment, air-conditioner can comprise timer or preset timing module, for gathering the duration of air ducting and the indoor fan continuation operation controlling air-conditioner.Obtain duration mode can comprise: 1) mode one: air-conditioner is in the process run, and after receiving off signal, triggered timer starts timing, and to the air-conditioner Real-time Feedback duration; 2) mode two: by having the terminal of annexation to carry out timing with air-conditioner, the type of this terminal can be arranged according to actual needs.Such as, when air-conditioner shuts down, sent by communicator and start riming instructions to terminal, terminal carries out timing after receiving the beginning riming instructions that air-conditioner sends over.Stop timing when the duration reaches Preset Time, and return the duration to air-conditioner, perform corresponding operation to make air-conditioner according to the duration returned.The mode of above-mentioned acquisition duration is only enumerating of detailed description of the invention, and the mode of other acquisition duration that those skilled in the art propose, all in protection scope of the present invention.
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 control method for air-conditioner, is characterized in that, the control method of described air-conditioner comprises the following steps:
When air-conditioner receives off signal, close the outdoor fan of described air-conditioner;
The air ducting and the indoor fan that control described air-conditioner continue to run;
Obtain the indoor set heat exchanger temperature of indoor environment temperature and described air-conditioner;
When the temperature difference between described indoor environment temperature and described indoor set heat exchanger temperature is less than preset temperature value, close described indoor fan and described air ducting.
2. the control method of air-conditioner as claimed in claim 1, is characterized in that, also comprise after the indoor set heat exchanger temperature of described acquisition indoor environment temperature and described air-conditioner:
The temperature difference between described indoor environment temperature and described indoor set heat exchanger temperature is more than or equal to preset temperature value, and when the duration controlling described air ducting and described indoor fan continuation operation is more than or equal to Preset Time, close described indoor fan and described air ducting.
3. the control method of air-conditioner as claimed in claim 2, it is characterized in that, described when air-conditioner receives off signal, the outdoor fan of closing described air-conditioner comprises:
When air-conditioner receives off signal, obtain the operational mode of described air-conditioner, and when described air-conditioner operate in preset mode time, close the outdoor fan of described air-conditioner.
4. the control method of air-conditioner as claimed in claim 3, is characterized in that, the air ducting of the described air-conditioner of described control and indoor fan continue operation and comprise:
When described air-conditioner operates in refrigeration mode or dehumidification mode, control described air ducting and described indoor fan and run according to receiving the operational factor before off signal.
5. the control method of air-conditioner as claimed in claim 3, is characterized in that, the air ducting of the described air-conditioner of described control and indoor fan continue operation and comprise:
When described air-conditioner operates in heating mode, control described air ducting upwards wind-guiding, and control described indoor fan and run according to preset rotation speed.
6. a control device for air-conditioner, is characterized in that, the control device of described air-conditioner comprises:
First closing module, for when air-conditioner receives off signal, closes the outdoor fan of described air-conditioner;
Control module, continues to run for the air ducting and indoor fan controlling described air-conditioner;
Acquisition module, for obtaining the indoor set heat exchanger temperature of indoor environment temperature and described air-conditioner;
Second closing module, when being less than preset temperature value for the temperature difference between described indoor environment temperature and described indoor set heat exchanger temperature, closes described indoor fan and described air ducting.
7. the control device of air-conditioner as claimed in claim 6, it is characterized in that, the control device of described air-conditioner also comprises:
Processing module, for being more than or equal to preset temperature value when the temperature difference between described indoor environment temperature and described indoor set heat exchanger temperature, and when the duration controlling described air ducting and described indoor fan continuation operation is more than or equal to Preset Time, close described indoor fan and described air ducting.
8. the control device of air-conditioner as claimed in claim 7, is characterized in that, described first closing module also for, when air-conditioner receives off signal, obtain the operational mode of described air-conditioner, and when described air-conditioner operate in preset mode time, close the outdoor fan of described air-conditioner.
9. the control device of air-conditioner as claimed in claim 8, it is characterized in that, described control module also for, when described air-conditioner operates in refrigeration mode or dehumidification mode, control described air ducting and described indoor fan and run according to receiving the operational factor before off signal.
10. the control device of indoor apparatus of air conditioner noise as claimed in claim 8, it is characterized in that, described control module also for, when described air-conditioner operates in heating mode, control described air ducting upwards wind-guiding, and control described indoor fan and run according to preset rotation speed.
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