CN107062513B - The method for controlling stepping motor and air conditioner of air conditioner - Google Patents

The method for controlling stepping motor and air conditioner of air conditioner Download PDF

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Publication number
CN107062513B
CN107062513B CN201610915848.6A CN201610915848A CN107062513B CN 107062513 B CN107062513 B CN 107062513B CN 201610915848 A CN201610915848 A CN 201610915848A CN 107062513 B CN107062513 B CN 107062513B
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CN
China
Prior art keywords
stepper motor
air conditioner
wind deflector
operating
step number
Prior art date
Application number
CN201610915848.6A
Other languages
Chinese (zh)
Other versions
CN107062513A (en
Inventor
李文博
Original Assignee
广东美的暖通设备有限公司
美的集团股份有限公司
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Priority to CN201610915848.6A priority Critical patent/CN107062513B/en
Publication of CN107062513A publication Critical patent/CN107062513A/en
Application granted granted Critical
Publication of CN107062513B publication Critical patent/CN107062513B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/79Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1433Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors

Abstract

The invention discloses a kind of method for controlling stepping motor of air conditioner and device, the method for controlling stepping motor of the air conditioner includes:, according to wind deflector adjustment instruction, stepper motor operating to be controlled, to drive wind deflector to rotate in place in air conditioner operational process;When wind deflector rotate in place, operating step number of the stepper motor with respect to wind deflector closed state when is recorded;When air conditioner shutdown, according to the operating step number of the stepper motor of last time record, control stepper motor returns to operating, and wind deflector is made to return to closed state.The method for controlling stepping motor of the air condition of that present invention shortens the reseting procedure of the stepper motor of air conditioner, and then improves the cooling and warming speed of air conditioner and extend the service life of the stepper motor of air conditioner;Meanwhile the method for controlling stepping motor of the air condition of that present invention can also reduce the noise in stepper motor reseting procedure, so that the user experience is improved.

Description

The method for controlling stepping motor and air conditioner of air conditioner

Technical field

The present invention relates to air-conditioner field more particularly to the method for controlling stepping motor and air conditioner of a kind of air conditioner.

Background technique

Stepper motor is one of significant components of air conditioner, in existing air-conditioner system many components (such as wind deflector) Movement is manipulated by stepper motor.

In the prior art, control method of the stepper motor of wind deflector movement in air-conditioner switch machine is manipulated in air conditioner Are as follows: (one) when air conditioner last time, shutdown was normal shutdown, to guarantee that stepper motor manipulates wind deflector accuracy of action, in sky When adjusting device booting, control system is operated from current location to before preset position in control stepper motor, control system control step It adjusts into motor from current location to full close position, then again to reset A step, wherein A is less than the total step number range of stepper motor more H;(2) when air conditioner last time, shutdown was shut down for exception (such as situations such as power-off suddenly), for guarantee stepper motor manipulation wind deflector Accuracy of action, when air conditioner is switched on again, control system is operated from current location to presetting bit in control stepper motor Before setting, control stepper motor first resets B step (i.e. control stepper motor does return motion, and the step number of return is B step), Middle B is greater than the total step number range H of stepper motor.

However, the above two repositioning method of stepper motor in the prior art, has the following deficiencies: that reseting procedure is slow Slowly, the cooling and warming speed of air conditioner is influenced;Also, construction package noise is generated when resetting, influences user experience;Meanwhile it is multiple During position, after stepper motor is completed to reset, it is still necessary to excessively reset several steps, stepper motor seriously affects stepper motor Service life.

Summary of the invention

The main purpose of the present invention is to provide a kind of method for controlling stepping motor of air conditioner, it is intended to shorten air conditioner The reseting procedure of stepper motor promotes the cooling and warming speed of air conditioner and extends the use longevity of the stepper motor of air conditioner Life.

To achieve the goals above, the present invention provides a kind of method for controlling stepping motor of air conditioner, the air conditioner Method for controlling stepping motor the following steps are included:

In air conditioner operational process, according to wind deflector adjustment instruction, stepper motor operating is controlled, to drive wind deflector to rotate In place;

When the wind deflector rotate in place, operating step of the stepper motor with respect to wind deflector closed state when is recorded Number;

When air conditioner shutdown, according to the operating step number of the stepper motor of last time record, stepping is controlled Motor returns to operating, and wind deflector is made to return to closed state.

Preferably, described when air conditioner shutdown, it is walked according to the operating of the stepper motor of last time record Number, control stepper motor return to the step of operating, wind deflector is made to return to closed state and include:

When air conditioner shutdown, record shutdown number;

When the number that shuts down is greater than preset threshold, the stepper motor forced resetting is controlled;

When the number that shuts down is less than or equal to preset threshold, walked according to the operating of the stepper motor of last time record Number, control stepper motor return to operating, wind deflector are made to return to closed state.

Preferably, described when air conditioner shutdown, recording the step of shutting down number includes:

When the air conditioner shuts down extremely and powers on again, record shutdown number, and read the institute of last time record State the operating step number of stepper motor.

Preferably, which is characterized in that in the air conditioner operational process, according to wind deflector adjustment instruction, control stepping electricity Machine operating, the step of to drive wind deflector to rotate in place before further include:

When air conditioner first powers on, control stepper motor is operated to default step number, to drive wind deflector to beat from closed state It opens to preset angular positions, and records operating step number of the stepper motor with respect to wind deflector closed state when.

Preferably, in the air conditioner operational process, according to wind deflector adjustment instruction, stepper motor operating is controlled, with band The step of dynamic wind deflector rotate in place include:

In air conditioner operational process, according to wind deflector adjustment instruction, stepper motor operating is controlled;

Obtain the rotation direction of stepper motor, and the operating according to the rotation direction of stepper motor, to the stepper motor Step number is counted, until the stepper motor shuts down.

In addition, to achieve the above object, the present invention also provides a kind of air conditioner, the air conditioner includes wind deflector and drive The stepper motor of dynamic wind deflector rotation, the air conditioner further include the step motor control dress for controlling the stepper motor operating It sets, wherein the stepping motor control apparatus of the air conditioner includes:

Motor control module: for according to wind deflector adjustment instruction, controlling stepper motor fortune in air conditioner operational process Turn, to drive wind deflector to rotate in place;

Logging modle: shape is closed with respect to wind deflector for when the wind deflector rotate in place, recording the stepper motor Operating step number when state;

It resets control module: being used for when air conditioner shutdown, according to the stepper motor of last time record Step number is operated, control stepper motor returns to operating, wind deflector is made to return to closed state.

Preferably, the reset control module includes:

Shut down number recording unit: for recording shutdown number when air conditioner shutdown;

Reset control unit: for controlling the stepper motor forced resetting when the number that shuts down is greater than preset threshold;When When the number that shuts down is less than or equal to preset threshold, according to the operating step number of the stepper motor of last time record, control step It returns and operates into motor, wind deflector is made to return to closed state.

Preferably, the shutdown number recording unit is also used to:

When the air conditioner shuts down extremely and powers on again, record shutdown number, and read the institute of last time record State the operating step number of stepper motor.

Preferably,

The motor control module is also used to: when air conditioner first powers on, control stepper motor is operated to default step number, with Wind deflector is driven to open from closed state to preset angular positions;

The logging modle is also used to: when wind deflector is opened from closed state to preset angular positions, recording the step Operating step number when into motor with respect to wind deflector closed state.

Preferably, the motor control module is specifically used for: in air conditioner operational process, according to wind deflector adjustment instruction, Control stepper motor operating;And obtain the rotation direction of stepper motor;

The logging modle is specifically used for: according to the rotation direction of stepper motor, to the operating step number of the stepper motor It is counted, until the stepper motor shuts down.

The present invention provides a kind of method for controlling stepping motor of air conditioner, the method for controlling stepping motor packet of the air conditioner It includes: in air conditioner operational process, according to wind deflector adjustment instruction, stepper motor operating is controlled, to drive wind deflector to rotate in place; When the wind deflector rotate in place, operating step number of the stepper motor with respect to wind deflector closed state when is recorded;When described When air conditioner shuts down, according to the operating step number of the stepper motor of last time record, control stepper motor returns to operating, makes Wind deflector returns to closed state.The method for controlling stepping motor of the air condition of that present invention shortens answering for the stepper motor of air conditioner Position process, and then improve the cooling and warming speed of air conditioner and extend the service life of the stepper motor of air conditioner;Meanwhile this The method for controlling stepping motor of invention air conditioner can also reduce the noise in stepper motor reseting procedure, to improve user Experience.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with The structure shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the flow diagram of the method for controlling stepping motor first embodiment of the air condition of that present invention;

Fig. 2 is the flow diagram of the method for controlling stepping motor second embodiment of the air condition of that present invention;

Fig. 3 is the flow diagram of the method for controlling stepping motor 3rd embodiment of the air condition of that present invention;

Fig. 4 is the flow diagram of the method for controlling stepping motor fourth embodiment of the air condition of that present invention;

Fig. 5 is the functional block diagram of the stepping motor control apparatus first embodiment of the air condition of that present invention;

Fig. 6 is the refinement function that control module is resetted in the stepping motor control apparatus second embodiment of the air condition of that present invention Module diagram.

The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.

Specific embodiment

It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.

The present invention provides a kind of method for controlling stepping motor of air conditioner, referring to Fig.1, in one embodiment, the air conditioner Method for controlling stepping motor include:

Step S10 in air conditioner operational process, according to wind deflector adjustment instruction, controls stepper motor operating, is led with driving Aerofoil rotate in place;

The method for controlling stepping motor of the air conditioner provided in an embodiment of the present invention is mainly used in the motor control of air conditioner In system processed, the reseting procedure of the stepper motor for shortening air conditioner, and then the cooling and warming speed of air conditioner is promoted, and Extend the service life of the stepper motor of air conditioner.In the present embodiment, in order to shorten air conditioner stepper motor reset Journey, the method for controlling stepping motor of the air conditioner are in air conditioner operational process, according to wind deflector adjustment instruction, control first Stepper motor operating processed, to drive wind deflector to rotate in place.

It is understood that in one embodiment, the opening direction of wind deflector is adjusted, it can be by pressing air-conditioning remote control On wind direction adjust dedicated button, the opening direction of wind deflector is adjusted one by one;It in another embodiment, can be with Wind key is put by pressing the wind deflector on air-conditioning remote control, wind deflector is allowed to be constantly in pendulum wind state;In other embodiments, Wind key can also be put by pressing the wind deflector on air-conditioning remote control, wind deflector is allowed to be in pendulum wind state, when wind deflector puts wind After a period of work, wind key is put by pressing the wind deflector on air-conditioning remote control again, wind deflector is allowed to stop pendulum wind state. That is the method for controlling stepping motor of the present embodiment air conditioner is to send out in air conditioner operational process according to air-conditioning remote control is received Different wind deflector adjustment instructions out, control the operating of stepper motor, to drive the rotation of wind deflector.

Step S20, when the wind deflector rotate in place, when recording the stepper motor with respect to wind deflector closed state Operate step number;

Specifically, in the present embodiment, it is assumed that the fortune of corresponding stepper motor when the wind deflector is in close state Turning step number is A0, when wind deflector rotate in place (namely wind deflector stops operating, when being maintained at certain open angle position) The operating step number of corresponding stepper motor is B, then the stepper motor phase recorded when the wind deflector rotate in place Operating step number when to wind deflector closed state is (B-A0).It is led below with the total step number range of stepper motor for 0 to 500 step The open angle range of aerofoil is 0 to 180 degree, and the operating step number of stepper motor is 0 when wind deflector is in close state, wind deflector To the following of the method for controlling stepping motor of the air condition of that present invention for the operating step number of stepper motor is 500 when opening 180 degree Each embodiment is described in detail:

In the present embodiment, the operating step number of stepper motor is 0 when being in close state due to wind deflector, if wind deflector is most Open angle is 90 degree afterwards, then operating step number when the stepper motor is with respect to wind deflector closed state at this time is 250 steps, i.e., this When the step number of stepper motor that is recorded then be 250 steps.For example, when the last open angle of wind deflector is 90 degree, if user It is unsatisfied with wind direction experience, user can press corresponding wind deflector adjustment key on air-conditioning remote control, reduce beating for wind deflector Angle of release degree, such as 36 degree or so, then when stepper motor shuts down, by record, the opposite wind deflector of stepper motor closes shape at this time Operating step number when state.It should be noted that in the present embodiment, in air conditioner operational process, according to receiving wind deflector tune Whole instruction, control stepper motor operating when rotateing in place wind deflector, turn wind deflector with driving wind deflector to rotate in place Operating step number when the stepper motor is with respect to wind deflector closed state when moving in place is recorded one by one.

Step S30, when the air conditioner shutdown when, according to last time record the stepper motor operating step number, It controls stepper motor and returns to operating, wind deflector is made to return to closed state;

Specifically, it for example, it is assumed that the last open angle of wind deflector described in the present embodiment is 36 degree, is recorded at this time Operating step number when the stepper motor is with respect to wind deflector closed state is 100, then in the present embodiment, when the air conditioner shuts down When, according to the operating step number (i.e. 100) of the stepper motor of last time record, it is dynamic that control stepper motor does return operating To make, wherein control stepper motor does the operating step number that the step number for returning and operating is equal to the stepper motor of last time record, I.e. control stepper motor returns to 100 steps of operating, and the reset of the stepper motor can be completed, wind deflector is made to have returned to closed form State.

The method for controlling stepping motor of the air condition of that present invention, firstly, being referred in air conditioner operational process according to wind deflector adjustment It enables, control stepper motor operating, to drive wind deflector to rotate in place;Then, when the wind deflector rotate in place, described in record Operating step number when stepper motor is with respect to wind deflector closed state;Finally, being remembered when air conditioner shutdown according to last time The operating step number of the stepper motor of record, control stepper motor return to operating, wind deflector are made to return to closed state.The present invention is real The method for controlling stepping motor for applying an air conditioner, due to when rotateing in place the wind deflector, all to the stepper motor phase Operating step number when to wind deflector closed state is recorded, also, when air conditioner shutdown, is remembered according to last time The operating step number of the stepper motor of record, control stepper motor return to operating, wind deflector are made to return to closed state, so that The method for controlling stepping motor of air conditioner of the embodiment of the present invention compared with the existing technology in method for controlling stepping motor, contract significantly The short reseting procedure of the stepper motor of air conditioner, and then improve the cooling and warming speed of air conditioner and extend the step of air conditioner Into the service life of motor;Meanwhile the method for controlling stepping motor of the air condition of that present invention can also reduce stepper motor and reset Noise in journey, so that the user experience is improved.

Further, referring to Fig. 2, the method for controlling stepping motor first embodiment based on the air condition of that present invention, in this hair In the method for controlling stepping motor second embodiment of bright air conditioner, above-mentioned steps S30 includes:

Step S31, when air conditioner shutdown, record shutdown number;

Step S32 controls the stepper motor forced resetting when the number that shuts down is greater than preset threshold;

Step S33, when the number that shuts down is less than or equal to preset threshold, according to the stepper motor of last time record Operating step number, control stepper motor return operating, so that wind deflector is returned to closed state.

It is understood that because all there is certain control error in any control system, to the stepper motor of air conditioner Control it is no exception, i.e., be likely to the presence of corresponding control error to each reset of stepper motor control, for example, control Stepper motor returns to 100 steps of operating (namely the reset step number of control stepper motor is 100 steps), and perhaps stepper motor actually only returns It backhauls and has turned 99.7 steps, when the number of resets of control stepper motor is more, then the step number for the stepper motor accumulated controls error amount It is bigger, after the error amount of the step number control to stepper motor reaches certain value, it is necessary to force to stepper motor multiple Position.Since the method for controlling stepping motor of the present embodiment air conditioner is to carry out reset control to stepper motor in air conditioner shutdown Therefore system in the present embodiment, when air conditioner shutdown, records the shutdown number of air conditioner, when the shutdown time of air conditioner When number is greater than preset threshold (namely when the number of resets of the stepper motor is greater than preset threshold), the stepper motor is controlled Carry out forced resetting;When the shutdown number of air conditioner is less than or equal to preset threshold (namely the reset when the stepper motor When number is less than or equal to preset threshold), according to the operating step number of the stepper motor of last time record, control stepping electricity Machine returns to operating, and wind deflector is made to return to closed state.

Above-mentioned preset threshold and the reset step number of control stepper motor forced resetting can be set according to the actual situation. In the present embodiment, the reset step number that control stepper motor carries out forced resetting has to be larger than the total step number of stepper motor.In this reality It applies in example, the preset threshold is 10 times to 30 times;Control the stepper motor forced resetting reset step number be 550 steps extremely 600 steps.Preferably, in the present embodiment, the preset threshold is 20 times, and the reset step number of control stepper motor forced resetting is 550 steps.That is the method for controlling stepping motor of the present embodiment air conditioner controls institute when the shutdown number of air conditioner is greater than 20 times State 550 step of stepper motor forced resetting;When the shutdown number of air conditioner is less than or equal to 20 times, according to last time record The operating step number of the stepper motor, control stepper motor return to operating, wind deflector are made to return to closed state.

In addition, it is necessary to illustrate, in the present embodiment, when the air conditioner shuts down extremely, the air conditioner is waited again After powering on, the stepper motor is resetted, therefore, in the present embodiment, when the air conditioner shuts down extremely and powers on again When, shutdown number is recorded.Specifically, in the present embodiment, when the air conditioner shuts down extremely and powers on again, note Record shutdown number, and read the operating step number of the stepper motor of last time record;When read last time record When the operating step number of the stepper motor, control stepper motor returns to operating (resetting to the stepper motor), wherein Control operating of the step number equal to the stepper motor that read last time records that the stepper motor returns to operating Step number completes stepping when stepper motor returns to the operating step number for having operated the stepper motor of last time record The reset work of motor, makes wind deflector return to closed state.

The method for controlling stepping motor of air conditioner of the embodiment of the present invention, due to having recorded air conditioner when air conditioner shuts down Shutdown number, and when the shutdown number of air conditioner be greater than preset threshold when, control the stepper motor forced resetting, because This, the method for controlling stepping motor of air conditioner of the embodiment of the present invention can be improved the precise control that stepper motor resets control, Wind deflector is set accurately to open to target angular position, to promote user experience.

Further, referring to Fig. 3, the method for controlling stepping motor second embodiment based on the air condition of that present invention, in this hair In the method for controlling stepping motor 3rd embodiment of bright air conditioner, before above-mentioned steps S10 further include:

Step S00, when air conditioner first powers on, control stepper motor is operated to default step number, to drive wind deflector from closing Conjunction state is opened to preset angular positions, and records operating step number of the stepper motor with respect to wind deflector closed state when.

Specifically, in the present embodiment, when air conditioner first powers on, control stepper motor is operated to default step number, with band When moving wind deflector to open from closed state to preset angular positions, and recording the stepper motor with respect to wind deflector closed state Operate step number.For example, in one embodiment, when air conditioner first powers on, the preset angular positions of wind deflector are 72 degree, and due to The step number of corresponding stepper motor is 0 when wind deflector closed state, then stepper motor will drive wind deflector to beat from closed state It opens to preset angular positions (i.e. 72 degree of positions), the default step number that stepper motor need to operate is 200 steps, i.e. control stepper motor fortune Turn 200 steps, so that it may drive wind deflector to open from closed state to preset angular positions (i.e. 72 degree of positions), transport in stepper motor When having turned 200 step, this operating step number 200 is recorded.

The method for controlling stepping motor of the present embodiment air conditioner, due to when air conditioner first powers on, when wind deflector is from closing When conjunction state is opened to preset angular positions, operating step number of the stepper motor with respect to wind deflector closed state when is had recorded, therefore, When operation air conditioner next time, in the case where not receiving wind deflector adjustment instruction (i.e. in this case, what last time recorded The operating step number of the stepper motor is exactly the default step number), the method for controlling stepping motor of the present embodiment air conditioner can be with According to the default step number of record, controls stepper motor and return to operating, complete the reset work of stepper motor, i.e. control stepping The step number that motor returns to operating is equal to the default step number, and the reset work of stepper motor can be completed, return to wind deflector and close Conjunction state.

Further, referring to Fig. 4, the method for controlling stepping motor 3rd embodiment based on the air condition of that present invention, in this hair In the method for controlling stepping motor fourth embodiment of bright air conditioner, above-mentioned steps S10 includes:

S11 in air conditioner operational process, according to wind deflector adjustment instruction, controls stepper motor operating;

S12 obtains the rotation direction of stepper motor, and according to the rotation direction of stepper motor, to the stepper motor Operating step number is counted, until the stepper motor shuts down.

The method for controlling stepping motor of the present embodiment air conditioner refers in air conditioner operational process according to wind deflector adjustment It enables, control stepper motor operating;Also, in stepper motor operating, the rotation direction of stepper motor is obtained, and according to stepping electricity The rotation direction of machine counts the operating step number of the stepper motor, until the stepper motor shuts down.Specifically Ground, in the present embodiment, the rotation direction of stepper motor includes Positive work and antiport, when the every Positive work one of stepper motor When step, operating step number adds one, and when stepper motor returns to operating (i.e. antiport) step, operating step number subtracts one, the step During operation into motor, to the counting of the operating step number of the stepper motor, it count down to the stepper motor always and stops Until operating (i.e. to the counting of the operating step number of the stepper motor, until counting down to always when wind deflector rotate in place).

The method for controlling stepping motor of the present embodiment air conditioner can accurately be remembered when the wind deflector rotate in place Record operating step number of the stepper motor with respect to wind deflector closed state when.

The present invention also provides a kind of air conditioner, the air conditioner includes the stepping electricity of wind deflector and driving wind deflector rotation Machine, the air conditioner further include the stepping motor control apparatus for controlling the stepper motor operating.Referring to Fig. 5, in an embodiment In, the stepping motor control apparatus 100 of air conditioner includes motor control module 101, logging modle 102 and reset control module 103。

Specifically, the motor control module 101: for according to wind deflector adjustment instruction, controlling in air conditioner operational process Stepper motor operating processed, to drive wind deflector to rotate in place;

The stepping motor control apparatus of the air conditioner provided in an embodiment of the present invention is mainly used in the motor control of air conditioner In system processed, the reseting procedure of the stepper motor for shortening air conditioner, and then the cooling and warming speed of air conditioner is promoted, and Extend the service life of the stepper motor of air conditioner.In the present embodiment, in order to shorten air conditioner stepper motor reset Journey, the stepping motor control apparatus of the air conditioner is the motor control module 101 first in air conditioner operational process, root According to wind deflector adjustment instruction, stepper motor operating is controlled, to drive wind deflector to rotate in place.

It is understood that in one embodiment, the opening direction of wind deflector is adjusted, it can be by pressing air-conditioning remote control On wind direction adjust dedicated button, the opening direction of wind deflector is adjusted one by one;It in another embodiment, can be with Wind key is put by pressing the wind deflector on air-conditioning remote control, wind deflector is allowed to be constantly in pendulum wind state;In other embodiments, Wind key can also be put by pressing the wind deflector on air-conditioning remote control, wind deflector is allowed to be in pendulum wind state, when wind deflector puts wind After a period of work, wind key is put by pressing the wind deflector on air-conditioning remote control again, wind deflector is allowed to stop pendulum wind state. That is the stepping motor control apparatus of the present embodiment air conditioner is the motor control module 101 in air conditioner operational process According to the different wind deflector adjustment instructions for receiving air-conditioning remote control sending, the operating of stepper motor is controlled, to drive wind deflector Rotation.

The logging modle 102: for recording the stepper motor with respect to wind deflector when the wind deflector rotate in place Operating step number when closed state;

Specifically, in the present embodiment, it is assumed that the fortune of corresponding stepper motor when the wind deflector is in close state Turning step number is A0, when wind deflector rotate in place (namely wind deflector stops operating, when being maintained at certain open angle position) The operating step number of corresponding stepper motor is B, then when the wind deflector rotate in place, the logging modle 102 is recorded The stepper motor with respect to wind deflector closed state when operating step number be (B-A0).Below with the total step number model of stepper motor It encloses for 0 to 500 step, the open angle range of wind deflector is 0 to 180 degree, the fortune of stepper motor when wind deflector is in close state Turning step number is 0, to the stepping electricity of the air condition of that present invention for the operating step number of stepper motor is 500 when wind deflector opens 180 degree The following embodiment of machine control device is described in detail:

In the present embodiment, the operating step number of stepper motor is 0 when being in close state due to wind deflector, if wind deflector is most Open angle is 90 degree afterwards, then operating step number when the stepper motor is with respect to wind deflector closed state at this time is 250 steps, i.e., this The step number for the stepper motor that Shi Suoshu logging modle 102 is recorded then is 250 steps.For example, working as the last open angle of wind deflector When being 90 degree, if user is unsatisfied with wind direction experience, user can press corresponding wind deflector adjustment key on air-conditioning remote control, Reduce the open angle of wind deflector, such as 36 degree or so, then when stepper motor shuts down, the logging modle 102 will note Record operating step number when stepper motor is with respect to wind deflector closed state at this time.It should be noted that in the present embodiment, in air conditioner In operational process, the motor control module 101 is according to wind deflector adjustment instruction is received, and control stepper motor operates, with band Dynamic wind deflector rotate in place, when rotateing in place wind deflector, the logging modle 102 step when rotateing in place wind deflector Operating step number when into motor with respect to wind deflector closed state is recorded one by one.

The reset control module 103: the stepping for being recorded according to last time when air conditioner shutdown The operating step number of motor, control stepper motor return to operating, wind deflector are made to return to closed state.

Specifically, for example, it is assumed that the last open angle of wind deflector described in the present embodiment is 36 degree, the record at this time Operating step number when the stepper motor that module 102 is recorded is with respect to wind deflector closed state is 100, then in the present embodiment, When air conditioner shutdown, the control module 103 that resets is walked according to the operating of the stepper motor of last time record Number (i.e. 100), control stepper motor do return motion, wherein control stepper motor does the step number for returning and operating and is equal to most The operating step number of the stepper motor once recorded afterwards, i.e. control stepper motor return to 100 steps of operating, and the step can be completed Into the reset of motor, wind deflector is made to have returned to closed state.

The stepping motor control apparatus of air conditioner of the embodiment of the present invention, due in air conditioner operational process, the operation Control module 101 controls stepper motor operating, to drive wind deflector to rotate in place, whenever wind-guiding according to wind deflector adjustment instruction When plate rotate in place, operating step number when the logging modle 102 is all to the stepper motor with respect to wind deflector closed state into Record is gone, also, when air conditioner shutdown, the control module 103 that resets is according to the step of last time record It into the operating step number of motor, controls stepper motor and returns to operating, wind deflector is made to return to closed state, so that the present invention is implemented Example air conditioner stepping motor control apparatus compared with the existing technology in stepping motor control apparatus, substantially reduce air conditioner Stepper motor reseting procedure, and then improve the cooling and warming speed of air conditioner and extend the stepper motor of air conditioner and make Use the service life;Meanwhile the stepping motor control apparatus of the air condition of that present invention can also reduce the noise in stepper motor reseting procedure, To which the user experience is improved.

Further, in this embodiment the motor control module 101 is also used to: when air conditioner first powers on, control step It operates into motor to default step number, to drive wind deflector to open from closed state to preset angular positions;

The logging modle 102 is also used to: when wind deflector is opened from closed state to preset angular positions, described in record Operating step number when stepper motor is with respect to wind deflector closed state.

Specifically, in the present embodiment, when air conditioner first powers on, the motor control module 101 controls stepper motor Operating is to default step number, to drive wind deflector to open from closed state to preset angular positions, when wind deflector is beaten from closed state When opening to preset angular positions, the logging modle 102 records operating of the stepper motor with respect to wind deflector closed state when Step number.For example, in one embodiment, when air conditioner first powers on, the preset angular positions of wind deflector are 72 degree, and due to wind-guiding When plate closing state the step number of corresponding stepper motor be 0, then stepper motor to drive wind deflector from closed state open to Preset angular positions (i.e. 72 degree of positions), the default step number that stepper motor need to operate are 200 steps, i.e., the described motor control module 101 control stepper motors operate 200 steps, so that it may wind deflector be driven to open from closed state to (i.e. 72 degree of preset angular positions Position), when stepper motor has operated 200 step, the logging modle 102 records this operating step number 200.Therefore, because in sky Adjust device when first powering on, when wind deflector is opened from closed state to preset angular positions, the logging modle 102 has recorded step Therefore operating step number when into motor with respect to wind deflector closed state when operation air conditioner next time, is not receiving wind deflector (i.e. in this case, the operating step number of the stepper motor of last time record is exactly described default in the case where adjustment instruction Step number), the motor control module 101 can control stepper motor and return to operating, complete according to the default step number of record The reset work of stepper motor, i.e., the step number that control stepper motor returns to operating are equal to the default step number, stepping can be completed The reset work of motor, makes wind deflector return to closed state.

Further, in this embodiment the motor control module 101 is specifically used for: in air conditioner operational process, according to Wind deflector adjustment instruction, control stepper motor operating;And obtain the rotation direction of stepper motor;

The logging modle 102 is specifically used for: according to the rotation direction of stepper motor, walking to the operating of the stepper motor Number is counted, until the stepper motor shuts down.

Specifically, in air conditioner operational process, the motor control module 101 is according to wind deflector adjustment instruction, control Stepper motor operating, also, in stepper motor operating, the motor control module 101 obtains the rotation direction of stepper motor, The logging modle 102 counts the operating step number of the stepper motor, Zhi Daosuo according to the rotation direction of stepper motor Stepper motor is stated to shut down.Specifically, in the present embodiment, the rotation direction of stepper motor includes Positive work and reversed fortune Turn, when every one step of Positive work of stepper motor, operating step number adds one, whenever stepper motor returns to operating (i.e. antiport) one When step, operating step number subtract one, the stepper motor during operation, fortune of the logging modle 102 to the stepper motor Turn the counting of step number, count down to until the stepper motor shuts down that (the i.e. described logging modle 102 is to stepping electricity always The counting of the operating step number of machine, until counting down to always when wind deflector rotate in place), therefore, the stepping of the present embodiment air conditioner Motor control assembly can accurately record operating step number of the stepper motor with respect to wind deflector closed state when.

Further, referring to Fig. 6, the stepping motor control apparatus first embodiment based on the air condition of that present invention, in this hair In the stepping motor control apparatus second embodiment of bright air conditioner, above-mentioned reset control module 103 includes:

Shut down number recording unit 1031: for recording shutdown number when air conditioner shutdown;

Reset control unit 1032: for it is multiple to control the stepper motor pressure when the number that shuts down is greater than preset threshold Position;When the number that shuts down is less than or equal to preset threshold, according to the operating step number of the stepper motor of last time record, control Stepper motor processed returns to operating, and wind deflector is made to return to closed state.

It is understood that because all there is certain control error in any control system, to the stepper motor of air conditioner Control it is no exception, i.e., be likely to the presence of corresponding control error to each reset of stepper motor control, for example, control Stepper motor returns to 100 steps of operating (namely the reset step number of control stepper motor is 100 steps), and perhaps stepper motor actually only returns It backhauls and has turned 99.7 steps, when the number of resets of control stepper motor is more, then the step number for the stepper motor accumulated controls error amount It is bigger, after the error amount of the step number control to stepper motor reaches certain value, it is necessary to force to stepper motor multiple Position.Since the stepping motor control apparatus of the present embodiment air conditioner is to carry out reset control to stepper motor in air conditioner shutdown System, therefore, in the present embodiment, when air conditioner shutdown, shutdown number of the shutdown number recording unit 1031 to air conditioner It is recorded, when the shutdown number of air conditioner is greater than preset threshold (namely when the number of resets of the stepper motor is greater than in advance If when threshold value), the stepper motor is controlled by the reset control unit 1032 and carries out forced resetting;When the shutdown time of air conditioner When number is less than or equal to preset threshold (namely when the number of resets of the stepper motor is less than or equal to preset threshold), by institute It states and resets control unit 1032 according to the operating step number of the stepper motor of last time record, control stepper motor returns to fortune Turn, wind deflector is made to return to closed state.

Above-mentioned preset threshold and the reset step number of control stepper motor forced resetting can be set according to the actual situation. In the present embodiment, the reset step number that control stepper motor carries out forced resetting has to be larger than the total step number of stepper motor.In this reality It applies in example, the preset threshold is 10 times to 30 times;Control the stepper motor forced resetting reset step number be 550 steps extremely 600 steps.Preferably, in the present embodiment, the preset threshold is 20 times, and the reset step number of control stepper motor forced resetting is 550 steps.That is the stepping motor control apparatus of the present embodiment air conditioner, it is described multiple when the shutdown number of air conditioner is greater than 20 times Position control unit 1032 controls 550 step of stepper motor forced resetting;When the shutdown number of air conditioner is less than or equal to 20 times When, the control unit 1032 that resets controls stepper motor according to the operating step number of the stepper motor of last time record Operating is returned, wind deflector is made to return to closed state.

In addition, it is necessary to illustrate, in the present embodiment, the shutdown number recording unit 1031 is also used to: when the sky When device being adjusted to shut down and power on extremely again, record shutdown number, and read the operating of the stepper motor of last time record Step number.

Specifically, when the air conditioner shuts down extremely, after waiting the air conditioner to power on again, the reset control unit The 1032 control stepper motors are resetted, therefore, in the present embodiment, when the air conditioner shuts down extremely and powers on again When, shutdown number is recorded.Specifically, in the present embodiment, when the air conditioner shuts down extremely and powers on again, institute The shutdown record shutdown number of number recording unit 1031 is stated, and reads the operating step of the stepper motor of last time record Number;When reading the operating step number of the stepper motor of last time record, the control of reset control unit 1032 step Operating (resetting to the stepper motor) is returned into motor, wherein the reset control unit 1032 controls the step The step number for returning to operating into motor is equal to the operating step number for the stepper motor that read last time records, and works as stepping When motor returns to the operating step number for having operated the stepper motor of last time record, that is, complete the reset work of stepper motor Make, wind deflector is made to return to closed state.

The stepping motor control apparatus of air conditioner of the embodiment of the present invention, due to when air conditioner shuts down, the shutdown number Recording unit 1031 has recorded the shutdown number of air conditioner, and when the shutdown number of air conditioner is greater than preset threshold, described It resets control unit 1032 and controls the stepper motor forced resetting, therefore, the stepper motor control of air conditioner of the embodiment of the present invention Device processed can be improved the precise control that stepper motor resets control, and wind deflector is enable accurately to open to target angle position It sets, to promote user experience.

The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills Art field, is included within the scope of the present invention.

Claims (10)

1. a kind of method for controlling stepping motor of air conditioner, is used for, which is characterized in that the step motor control side of the air conditioner Method the following steps are included:
In air conditioner operational process, according to wind deflector adjustment instruction, stepper motor operating is controlled, to drive wind deflector to turn to Position;
When the wind deflector rotate in place, operating step number of the stepper motor with respect to wind deflector closed state when is recorded;
When air conditioner shutdown, according to the operating step number of the stepper motor of last time record, stepper motor is controlled Operating is returned, wind deflector is made to return to closed state, the step number for controlling the stepper motor return operating, which is equal to, to be read most The operating step number of the stepper motor once recorded afterwards.
2. the method for controlling stepping motor of air conditioner as described in claim 1, which is characterized in that described when the air conditioner closes When machine, according to the operating step number of the stepper motor of last time record, control stepper motor returns to operating, returns wind deflector Include: to the step of closed state
When air conditioner shutdown, record shutdown number;
When the number that shuts down is greater than preset threshold, the stepper motor forced resetting is controlled;
When shut down number be less than or equal to preset threshold when, according to last time record the stepper motor operating step number, It controls stepper motor and returns to operating, wind deflector is made to return to closed state.
3. the method for controlling stepping motor of air conditioner as claimed in claim 2, which is characterized in that described when the air conditioner closes When machine, recording the step of shutting down number includes:
When the air conditioner shuts down extremely and powers on again, record shutdown number, and read the step of last time record Into the operating step number of motor.
4. the method for controlling stepping motor of air conditioner as described in any one of claims 1-3, which is characterized in that the air conditioner In operational process, according to wind deflector adjustment instruction, control stepper motor operating, the step of to drive wind deflector to rotate in place before Further include:
When air conditioner first powers on, control stepper motor operate to default step number, with drive wind deflector from closed state open to Preset angular positions, and record operating step number of the stepper motor with respect to wind deflector closed state when.
5. the method for controlling stepping motor of air conditioner as described in claim 1, which is characterized in that the air conditioner operational process In, according to wind deflector adjustment instruction, stepper motor operating is controlled, to drive wind deflector to rotate in place the step of includes:
In air conditioner operational process, according to wind deflector adjustment instruction, stepper motor operating is controlled;
The rotation direction of stepper motor is obtained, and according to the rotation direction of stepper motor, to the operating step number of the stepper motor It is counted, until the stepper motor shuts down.
6. a kind of air conditioner, the stepper motor including wind deflector and driving wind deflector rotation, which is characterized in that the air conditioner It further include the stepping motor control apparatus for controlling the stepper motor operating, wherein the stepping motor control apparatus of the air conditioner Include:
Motor control module: for according to wind deflector adjustment instruction, controlling stepper motor operating in air conditioner operational process, with Wind deflector is driven to rotate in place;
Logging modle: for when the wind deflector rotate in place, when recording the stepper motor with respect to wind deflector closed state Operating step number;
It resets control module: being used for when air conditioner shutdown, according to the operating of the stepper motor of last time record Step number, control stepper motor return to operating, wind deflector are made to return to closed state, control the step number that the stepper motor returns to operating Equal to the operating step number of the stepper motor of the last time record read.
7. air conditioner as claimed in claim 6, which is characterized in that the reset control module includes:
Shut down number recording unit: for recording shutdown number when air conditioner shutdown;
Reset control unit: for controlling the stepper motor forced resetting when the number that shuts down is greater than preset threshold;Work as shutdown When number is less than or equal to preset threshold, according to the operating step number of the stepper motor of last time record, control stepping electricity Machine returns to operating, and wind deflector is made to return to closed state.
8. air conditioner as claimed in claim 7, which is characterized in that the shutdown number recording unit is also used to:
When the air conditioner shuts down extremely and powers on again, record shutdown number, and read the step of last time record Into the operating step number of motor.
9. the air conditioner as described in any one of claim 6 to 8, it is characterised in that:
The motor control module is also used to: when air conditioner first powers on, control stepper motor is operated to default step number, to drive Wind deflector is opened from closed state to preset angular positions;
The logging modle is also used to: when wind deflector is opened from closed state to preset angular positions, recording the stepping electricity Operating step number when machine is with respect to wind deflector closed state.
10. air conditioner as claimed in claim 6, it is characterised in that:
The motor control module is specifically used for: in air conditioner operational process, according to wind deflector adjustment instruction, controlling stepper motor Operating;And obtain the rotation direction of stepper motor;
The logging modle is specifically used for: according to the rotation direction of stepper motor, carrying out to the operating step number of the stepper motor It counts, until the stepper motor shuts down.
CN201610915848.6A 2016-10-20 2016-10-20 The method for controlling stepping motor and air conditioner of air conditioner CN107062513B (en)

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CN107726705A (en) * 2017-09-08 2018-02-23 合肥华凌股份有限公司 Air door back to zero resets control method, control device and equipment
CN109297096A (en) * 2018-09-18 2019-02-01 青岛海信日立空调系统有限公司 The control method of air conditioner and air conditioner

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EP2746691A1 (en) * 2011-08-16 2014-06-25 Gree Electric Appliances, Inc. of Zhuhai Indoor air-conditioner
CN105485847A (en) * 2015-12-22 2016-04-13 合肥海尔空调器有限公司 Swing control method and device for indoor unit of air conditioner
CN105757876A (en) * 2014-12-16 2016-07-13 青岛海尔空调器有限总公司 Method and device for controlling air conditioning air deflector

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EP2746691A1 (en) * 2011-08-16 2014-06-25 Gree Electric Appliances, Inc. of Zhuhai Indoor air-conditioner
CN203364365U (en) * 2013-06-24 2013-12-25 广东志高空调有限公司 Air guide batten resetting device
CN105757876A (en) * 2014-12-16 2016-07-13 青岛海尔空调器有限总公司 Method and device for controlling air conditioning air deflector
CN105485847A (en) * 2015-12-22 2016-04-13 合肥海尔空调器有限公司 Swing control method and device for indoor unit of air conditioner

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