CN109668256B - Control method of air conditioner, air conditioner and storage medium - Google Patents
Control method of air conditioner, air conditioner and storage medium Download PDFInfo
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- CN109668256B CN109668256B CN201811569112.3A CN201811569112A CN109668256B CN 109668256 B CN109668256 B CN 109668256B CN 201811569112 A CN201811569112 A CN 201811569112A CN 109668256 B CN109668256 B CN 109668256B
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 230000000694 effects Effects 0.000 abstract description 11
- 238000007664 blowing Methods 0.000 abstract description 3
- 230000035807 sensation Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
- F24F2120/12—Position of occupants
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control method of an air conditioner, the air conditioner is provided with an air outlet and a contra-rotating fan, the air outlet is provided with an air guide grid, the contra-rotating fan comprises a rear wind wheel and a front wind wheel, the air outlet of the air conditioner flows to the front wind wheel from the rear wind wheel, and the control method of the air conditioner comprises the following steps: the air conditioner enters a no-wind-sense mode, and the user distance between a user and the air conditioner is detected; acquiring a target rotating speed corresponding to the rear wind wheel and a target rotating speed corresponding to the front wind wheel according to the user distance and the air outlet angle of the air guide grid; and controlling the rear wind wheel and the front wind wheel to operate according to the target rotating speed so as to enable the air supply distance to the cyclone fan to be smaller than the distance of a user. The invention also discloses an air conditioner and a storage medium. The invention leads the air supply distance of the counter-rotating fan to be smaller than the distance of a user by dredging the air in the rotating direction, thereby achieving the effect that the user cannot feel the direct blowing of cold air, ensuring the normal operation of the air conditioner and improving the comfort of the air conditioner.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a control method of an air conditioner, the air conditioner and a storage medium.
Background
In the life of people, the air conditioner is an indispensable household appliance, and people pay attention to improving the air outlet comfort of the air conditioner. In the prior art, the effect of no wind sensation is often achieved by dispersing wind in micropores. When the air dispersing mode is adopted, the air output of the indoor fan is reduced, and the cold energy generated on the evaporator cannot be dispersed to the surrounding environment in time, so that the output capacity of the air conditioner is reduced, and the normal use of the air conditioner is influenced.
Disclosure of Invention
The invention mainly aims to provide a control method of an air conditioner, and aims to solve the problem of cold loss when the air conditioner enters a no-wind-sense mode in the prior art.
In order to achieve the above object, the present invention provides a control method of an air conditioner, the air conditioner has an air outlet and a counter-rotating fan, the counter-rotating fan supplies air to the air outlet, an air guide grid is arranged at an air outlet of an indoor unit of the air conditioner, the counter-rotating fan includes a rear wind wheel and a front wind wheel oppositely rotating with the rear wind wheel, the air outlet of the air conditioner flows from the rear wind wheel to the front wind wheel, the control method of the air conditioner includes:
the air conditioner enters a no-wind-sense mode, and the user distance between a user and the air conditioner is detected;
acquiring a target rotating speed corresponding to the rear wind wheel according to the user distance and the air outlet angle of the air guide grid, and acquiring a target rotating speed corresponding to the front wind wheel according to the user distance and the air outlet angle of the air guide grid;
and controlling the rear wind wheel and the front wind wheel to operate according to the corresponding target rotating speed so as to enable the air supply distance of the counter-rotating fan to be smaller than the user distance.
Further, the step of obtaining the target rotating speed corresponding to the rear wind wheel according to the user distance and the air outlet angle of the air guide grille, and obtaining the target rotating speed corresponding to the front wind wheel according to the user distance and the air outlet angle of the air guide grille includes:
acquiring the blade number ratio of the front wind wheel to the rear wind wheel;
acquiring a target rotating speed corresponding to the rear wind wheel according to the user distance, the blade number ratio and the air outlet angle;
and acquiring a target rotating speed corresponding to the front wind wheel according to the user distance, the blade number ratio and the air outlet angle.
Further, the step of obtaining the target rotating speed corresponding to the rear wind wheel according to the user distance and the air outlet angle of the air guide grille, and obtaining the target rotating speed corresponding to the front wind wheel according to the user distance and the air outlet angle of the air guide grille includes:
determining the air supply distance of the counter-rotating fan according to the user distance, wherein the air supply distance is smaller than the user distance;
and acquiring the target rotating speed corresponding to the rear wind wheel according to the air supply distance and the air outlet angle, and respectively acquiring the target rotating speed corresponding to the front wind wheel according to the air supply distance and the air outlet angle.
Further, the step of obtaining the target rotating speed corresponding to the rear wind wheel according to the air supply distance and the air outlet angle, and obtaining the target rotating speed corresponding to the front wind wheel according to the air supply distance and the air outlet angle respectively comprises:
determining a distance interval where the air supply distance is located;
determining the sum of the rotating speeds of the rear wind wheel and the front wind wheel according to the distance interval;
determining the rotation speed ratio of the rear wind wheel and the front wind wheel according to the distance interval and the air outlet angle;
determining a target rotating speed corresponding to the rear wind wheel according to the sum of the rotating speeds and the rotating speed ratio;
and determining the target rotating speed corresponding to the front wind wheel according to the sum of the rotating speeds and the rotating speed ratio.
Further, when the user distance is greater than a first preset threshold value, the rotation directions of the front wind wheel and the rear wind wheel are opposite, the value range of the rotation speed ratio of the front wind wheel to the rear wind wheel is between 1 and a second preset threshold value or the value range of the rotation speed ratio of the rear wind wheel to the front wind wheel is between 1 and a second preset threshold value, when the user distance is less than or equal to the first preset threshold value, the rotation speed ratio of the front wind wheel to the rear wind wheel is greater than the second preset threshold value or the rotation speed ratio of the rear wind wheel to the front wind wheel is greater than the second preset threshold value, wherein the second preset threshold value is obtained according to the air outlet angle.
Further, the rear wind wheel and the front wind wheel have different rotating speeds, the smaller the user distance is, the larger the difference between the rear wind wheel and the front wind wheel is, and the rotation directions of the front wind wheel and the rear wind wheel are opposite.
Further, the rear wind wheel and the front wind wheel have different rotating speeds, the smaller the user distance is, the smaller the difference value between the rear wind wheel and the front wind wheel is, and the rotating directions of the front wind wheel and the rear wind wheel are the same.
Further, the control method of the air conditioner further includes:
detecting the indoor temperature of the environment where the air conditioner is located;
when the indoor temperature is higher than a preset temperature, executing a step of detecting a user distance between a user and the air conditioner;
and stopping running the compressor of the air conditioner when the temperature is less than or equal to the preset temperature.
In addition, in order to achieve the above object, the present invention further provides an air conditioner, the air conditioner includes an air outlet and a counter-rotating fan, the counter-rotating fan supplies air to the air outlet, an air guide grid is disposed at an air outlet of an indoor unit of the air conditioner, the counter-rotating fan includes a rear wind wheel and a front wind wheel oppositely rotating with the rear wind wheel, air outlet of the air conditioner flows from the rear wind wheel to the front wind wheel, and the air conditioner includes: the control program of the air conditioner realizes the steps of the control method of the air conditioner when being executed by the processor.
Further, the rotation directions of the front wind wheel and the rear wind wheel are opposite; or the rotation directions of the front wind wheel and the rear wind wheel are the same.
Further, to achieve the above object, the present invention also provides a computer-readable storage medium having stored thereon a control program of an air conditioner, which when executed by a processor, implements the steps of the control method of the air conditioner as described above.
According to the control method of the air conditioner, the air conditioner and the storage medium, the air conditioner enters a no-wind-sense mode, and the user distance between a user and the air conditioner is detected; acquiring a target rotating speed corresponding to the rear wind wheel according to the user distance and the air outlet angle of the air guide grid, and acquiring a target rotating speed corresponding to the front wind wheel according to the user distance and the air outlet angle of the air guide grid; and controlling the rear wind wheel and the front wind wheel to operate according to the corresponding target rotating speed so as to enable the air supply distance of the counter-rotating fan to be smaller than the user distance. According to the invention, the air supply distance of the counter-rotating fan is smaller than the distance of a user by adjusting the rotating speeds of the two wind wheels in the counter-rotating fan, so that the effect that the user cannot feel cold air to blow directly is achieved, and the loss of cold energy is avoided.
Drawings
Fig. 1 is a schematic view of a terminal structure of an air conditioner according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating a control method of an air conditioner according to a first embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an air conditioner according to the present invention;
FIG. 4 is an exploded view of the counter-rotating fan of FIG. 3;
fig. 5 is a flowchart illustrating a control method of an air conditioner according to a fourth embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The main solution of the embodiment of the invention is as follows: the air conditioner enters a no-wind-sense mode, and the user distance between a user and the air conditioner is detected; acquiring a target rotating speed corresponding to the rear wind wheel according to the user distance and the air outlet angle of the air guide grid, and acquiring a target rotating speed corresponding to the front wind wheel according to the user distance and the air outlet angle of the air guide grid; and controlling the rear wind wheel and the front wind wheel to operate according to the corresponding target rotating speed so as to enable the air supply distance of the counter-rotating fan to be smaller than the user distance.
Due to the prior art, when the air conditioner adopts a mode of small hole air dispersion to achieve a no-wind-sense mode, the output capacity of the air conditioner is reduced, and the normal use of the air conditioner is influenced.
The invention provides a solution, the rear wind wheel and the front wind wheel are controlled to operate according to the corresponding target rotating speed, so that the air supply distance of the counter-rotating fan is smaller than the user distance, the effect of no wind sensation is achieved, the normal operation of the air conditioner is ensured, and the comfort of the air conditioner is improved.
As shown in fig. 1, fig. 1 is a schematic diagram of a terminal structure of an air conditioner according to an embodiment of the present invention.
The terminal of the embodiment of the invention is an air conditioner.
As shown in fig. 1, the terminal may include: a processor 1001, such as a CPU, a memory 1002, a communication bus 1003, and a cyclone 1004. The communication bus 1003 is used to implement connection communication among these components.
Fig. 3 and 4 are schematic views illustrating a structure of an air conditioner according to the present invention and an exploded view of a cyclone, respectively. The air conditioner applicable to the control method of the air conditioner provided by the invention comprises a shell 11, a heat exchanger 13 and a counter-rotating fan 12. The shell 11 has a front panel 11a and a back panel 11b, an air outlet (not shown in the figure) is arranged on the panel 11a, an air inlet (not shown in the figure) is arranged on the back panel 11b, an air inlet grille is arranged at the air inlet, a filter screen is arranged on the inner side of the air inlet grille, and the heat exchanger 13 is arranged in the shell 11 and is positioned between the air inlet and the air outlet. The counter-rotating fan 12 is installed at the air outlet, when the air conditioner runs, the counter-rotating fan 12 runs, negative pressure is formed behind the counter-rotating fan 12, and outside air passes through the heat exchanger 13 along the air inlet under the action of the negative pressure and is blown to the front of the air conditioner by the counter-rotating fan 12.
The counter-rotating fan 12 includes a housing 12a and a first motor 12c1Rear-mounted contra-rotating wind wheel 12d1A second motor 12c2And a front contra-rotating wind wheel 12d2From a first electric machine 12c1And a rear contra-rotating wind wheel 12d1Form a first fan and is composed of a second motor 12c2And a front contra-rotating wind wheel 12d2To form a second fan. Wherein, the rear contra-rotating wind wheel 12d1With the front contra-rotating wind wheel 12d2The rear-mounted contra-rotating wind wheel 12d has opposite air outlet angles of the blades1And a front contra-rotating wind wheel 12d2Has the same rotation direction and opposite air outlet direction, and is provided with a contra-rotating wind wheel 12d at the rear part1And a front contra-rotating wind wheel 12d2The axial wind of (2) will be offset and the rotational wind will be intensified. Rear-mounted contra-rotating wind wheel 12d1And a front contra-rotating wind wheel 12d2When the rotation directions of the two opposite rotating wheels are opposite, the air outlet directions are the same, and the rear opposite-rotating wind wheel 12d is arranged1And a front contra-rotating wind wheel 12d2The axial wind of (2) will be superimposed and the rotational wind will be attenuated. The axial wind is wind blown along the rotation axis of the motor, and the rotational wind is wind blown perpendicular to the rotation axis of the motor.
The memory 1002 may be a high-speed RAM memory or a non-volatile memory (e.g., a disk memory). As shown in fig. 1, a control program of an air conditioner may be included in a memory 1002 as a kind of computer storage medium; and the processor 1001 may be configured to call a control program of the air conditioner stored in the memory 1002 and perform the following operations:
the air conditioner enters a no-wind-sense mode, and the user distance between a user and the air conditioner is detected;
acquiring a target rotating speed corresponding to the rear wind wheel according to the user distance and the air outlet angle of the air guide grid, and acquiring a target rotating speed corresponding to the front wind wheel according to the user distance and the air outlet angle of the air guide grid;
and controlling the rear wind wheel and the front wind wheel to operate according to the corresponding target rotating speed so as to enable the air supply distance of the counter-rotating fan to be smaller than the user distance.
Further, the processor 1001 may call a control program of the air conditioner stored in the memory 1002, and also perform the following operations:
acquiring the blade number ratio of the front wind wheel to the rear wind wheel;
acquiring a target rotating speed corresponding to the rear wind wheel according to the user distance, the blade number ratio and the air outlet angle;
and acquiring a target rotating speed corresponding to the front wind wheel according to the user distance, the blade number ratio and the air outlet angle.
Further, the processor 1001 may call a control program of the air conditioner stored in the memory 1002, and also perform the following operations:
determining the air supply distance of the counter-rotating fan according to the user distance, wherein the air supply distance is smaller than the user distance;
and acquiring the target rotating speed corresponding to the rear wind wheel according to the air supply distance and the air outlet angle, and respectively acquiring the target rotating speed corresponding to the front wind wheel according to the air supply distance and the air outlet angle.
Further, the processor 1001 may call a control program of the air conditioner stored in the memory 1002, and also perform the following operations:
determining a distance interval where the air supply distance is located;
determining the sum of the rotating speeds of the rear wind wheel and the front wind wheel according to the distance interval;
determining the rotation speed ratio of the rear wind wheel and the front wind wheel according to the distance interval and the air outlet angle;
determining a target rotating speed corresponding to the rear wind wheel according to the sum of the rotating speeds and the rotating speed ratio;
and determining the target rotating speed corresponding to the front wind wheel according to the sum of the rotating speeds and the rotating speed ratio.
Further, the processor 1001 may call a control program of the air conditioner stored in the memory 1002, and also perform the following operations:
when the user distance is greater than or equal to a first preset threshold value, the rotating direction of the front wind wheel is opposite to that of the rear wind wheel, the value range of the rotating speed ratio of the front wind wheel to the rear wind wheel is between 1 and a second preset threshold value, or the value range of the rotating speed ratio of the rear wind wheel to the front wind wheel is between 1 and the second preset threshold value, when the user distance is less than or equal to the first preset threshold value, the rotating speed ratio of the front wind wheel to the rear wind wheel is greater than the second preset threshold value, or the rotating speed ratio of the rear wind wheel to the front wind wheel is greater than the second preset threshold value, wherein the second preset threshold value is obtained according to the air outlet angle.
Further, the processor 1001 may call a control program of the air conditioner stored in the memory 1002, and also perform the following operations:
the rotation speeds of the rear wind wheel and the front wind wheel are different, the smaller the user distance, the larger the difference value between the rear wind wheel and the front wind wheel is, and the rotation directions of the front wind wheel and the rear wind wheel are opposite.
Further, the processor 1001 may call a control program of the air conditioner stored in the memory 1002, and also perform the following operations:
the rotation speeds of the rear wind wheel and the front wind wheel are different, the smaller the user distance is, the smaller the difference value between the rear wind wheel and the front wind wheel is, and the rotation directions of the front wind wheel and the rear wind wheel are the same.
Further, the processor 1001 may call a control program of the air conditioner stored in the memory 1002, and also perform the following operations:
detecting the indoor temperature of the environment where the air conditioner is located;
when the indoor temperature is higher than a preset temperature, executing a step of detecting a user distance between a user and the air conditioner;
and stopping running the compressor of the air conditioner when the temperature is less than or equal to the preset temperature.
Based on the hardware architecture, the embodiment of the control method of the air conditioner is provided.
Referring to fig. 2, a flow chart of a first embodiment of a control method of an air conditioner according to the present invention includes:
step S10, the air conditioner enters a no-wind-sense mode, and the user distance between a user and the air conditioner is detected;
in the invention, the indoor unit of the air conditioner is provided with an air outlet and a counter-rotating fan, the counter-rotating fan supplies air to the air outlet, the counter-rotating fan comprises a rear wind wheel and a front wind wheel which is arranged in a counter-rotating manner with the rear wind wheel, the rear wind wheel is close to a heat exchanger of the air conditioner, the front wind wheel is far away from the heat exchanger of the air conditioner, namely the front wind wheel is close to a user, and the air outlet of the air conditioner flows to the front wind wheel from the rear wind wheel. The air conditioner also comprises an air guide grid which is arranged at the air outlet, wherein the air guide can be flat-bar-shaped or concave-convex. The air guide grille is beneficial to dredging the air outlet speed, increasing the air outlet turbulence of the air conditioner, reducing the positive air outlet speed and being convenient for improving the effect of no wind sense of the air conditioner. The air conditioner enters a no-wind-sense mode when receiving a no-wind-sense control instruction sent by a user or the air conditioner automatically enters the no-wind-sense mode in a refrigeration mode. The no-wind mode of the air conditioner means that the fan is controlled to cooperatively control airflow so that a user feels cool, but does not feel cold wind blowing directly. The air conditioner also comprises an infrared camera or an ultrasonic radar sensor, and the user distance between a user and the air conditioner is detected through the infrared camera or the ultrasonic radar sensor, wherein the user distance refers to the distance between the user and the air outlet of the air conditioner.
Step S20, acquiring a target rotating speed corresponding to the rear wind wheel according to the user distance and the air outlet angle of the air guide grille, and acquiring a target rotating speed corresponding to the front wind wheel according to the user distance and the air outlet angle of the air guide grille;
the method comprises the steps that after the position of a user is determined, the user distance between the air conditioner and the air conditioner is obtained, then the target rotating speed corresponding to the rear wind wheel is obtained according to the user distance and the mapping relation between the air outlet angle of the air guide grid and the rotating speed of the rear wind wheel, and the target rotating speed corresponding to the front wind wheel is obtained according to the user distance and the mapping relation between the air outlet angle of the air guide grid and the rotating speed of the front wind wheel. Further, the air supply distance of the counter-rotating fan is determined according to the user distance, wherein the air supply distance is smaller than the user distance, the difference between the user distance and the air supply distance is within a certain value range or the difference between the user distance and the air supply distance is a preset value, for example, the difference between the user distance and the air supply distance is within a range from 0.4m to 0.6m, when the user is 4m away from the air conditioner, the rotating speeds of the rear wind wheel and the front wind wheel are adjusted to enable the air supply distance of the counter-rotating fan to be 3.5m, and the non-wind sensation mode is set when the user is 4m away from the air conditioner. After the air supply distance of the counter-rotating fan is determined, the target rotating speed corresponding to the rear wind wheel and the target rotating speed corresponding to the front wind wheel are respectively obtained according to the air supply distance and the air guide grid, so that the air sent out by the counter-rotating fan at the target rotating speed corresponding to the rear wind wheel and the front wind wheel can only be sent to the air supply distance and cannot reach the position of a user, and the effect that the position of the user is not wind is achieved.
Further, step S20 may also be: acquiring the blade number ratio of the front wind wheel and the rear wind wheel, and then acquiring a target rotating speed corresponding to the rear wind wheel according to the user distance, the blade number ratio and the air outlet angle; and acquiring a target rotating speed corresponding to the front wind wheel according to the user distance, the blade number ratio and the air outlet angle. For example, when the user distance and the air outlet angle are fixed, and the ratio of the number of blades of the front wind wheel to the number of blades of the rear wind wheel is greater than 1, the capability of the front wind wheel for enabling air to be wound is enhanced, wind is more easily dispersed, and if the ratio of the number of blades is larger, the target rotating speed corresponding to the rear wind wheel and the front wind wheel is larger; similarly, when the ratio of the number of the blades of the rear wind wheel to the number of the blades of the front wind wheel is greater than 1, the axial air-out capacity of the rear wind wheel is enhanced, the blowing is easy to be farther, and if the ratio of the number of the blades is larger, the corresponding target rotating speed of the rear wind wheel and the front wind wheel is smaller if the effect of no wind sensation is to be achieved. For example, under the condition that the user distance and the blade ratio are constant, the air guide grille contributes to enhancing the air outlet capacity of the air conditioner in the rotating direction, the axial air outlet capacity of the air conditioner is weakened, the air direction is easy to diffuse all around, and at the moment, if no wind feeling is achieved, the larger the air outlet angle is, the larger the corresponding target rotating speed is.
Further, the obtaining of the target rotation speed corresponding to the rear wind wheel according to the user distance and the air outlet angle of the air guide grille and the obtaining of the target rotation speed corresponding to the front wind wheel according to the user distance and the air outlet angle of the air guide grille specifically includes determining an air supply distance of the counter-rotating fan according to the user distance, wherein the air supply distance is smaller than the user distance; acquiring a target rotating speed corresponding to the rear wind wheel according to the air supply distance and the air outlet angle, acquiring a target rotating speed corresponding to the front wind wheel according to the air supply distance and the air outlet angle, determining a distance interval where the air supply distance is located, then determining the sum of the rotating speeds of the rear wind wheel and the front wind wheel according to the distance interval, and determining the rotating speed ratio of the rear wind wheel and the front wind wheel according to the distance interval and the air outlet angle of the air guide grid, wherein the sum of the rotating speeds represents the sum of the rotating speed of the front wind wheel and the rotating speed of the rear wind wheel, and the rotating speed ratio identifies the ratio of the rotating speed of the rear wind wheel to the rotating speed of the front wind wheel, wherein a certain mapping relation exists between the distance interval and the air outlet angle of the air guide grid and the rotating speed ratio of the front wind wheel and the rear; therefore, the target rotating speed corresponding to the rear wind wheel is determined according to the rotating speed sum and the rotating speed ratio, and the target rotating speed corresponding to the front wind wheel is determined according to the rotating speed sum and the rotating speed ratio. In this embodiment, the target rotation speed corresponding to the rear wind wheel is determined through the distance interval and the air outlet angle of the air guide grille, and the target rotation speed of the front wind wheel is determined according to the distance interval and the air outlet angle of the air guide grille.
And step S30, controlling the rear wind wheel and the front wind wheel to operate according to the corresponding target rotating speed, so that the air supply distance of the counter-rotating fan is smaller than the user distance.
The air conditioner adjusts the current rotating speeds of the rear wind wheel and the front wind wheel to the target rotating speeds corresponding to the rear wind wheel and the front wind wheel, and controls the rear wind wheel and the front wind wheel to operate according to the corresponding target rotating speeds, so that the air supply distance to the cyclone fan is smaller than the user distance. Under the effect of leading wind wheel and rearmounted wind wheel for the air-out of air conditioner is broken up, has reduced the axial wind speed of air-out of air conditioner, increases the rotatory wind speed of air-out of air conditioner, and the wind that blows away from the air conditioner still blows the user and just spreads to all around, makes the user can feel cold volume and can not feel cold wind and blow directly, thereby reaches the effect of no wind sense.
In the technical scheme that this embodiment provided, the air conditioner is according to user's distance and the wind-guiding grid that detects the air-out angle acquires rearmounted wind wheel and the corresponding target rotational speed of leading wind wheel respectively, and control rearmounted wind wheel and leading wind wheel and move according to target rotational speed, make the air supply distance to the cyclone be less than user's distance, dredge around the wind direction under the condition of the air output of having guaranteed the air conditioner, break up wind in the axial, thereby reach the effect of no wind sense, the travelling comfort of air conditioner has been improved, simultaneously because guarantee the ability output of air conditioner, thereby guarantee the normal operating of air conditioner.
A second embodiment of the control method of the air conditioner of the present invention is proposed based on the first embodiment.
In this embodiment, the wind outlet directions of the front wind wheel and the rear wind wheel of the air conditioner are the same and the rotation directions are opposite. The larger the distance is when the air outlet directions of the front wind wheel and the rear wind wheel are the same, the larger the rotating speed of the front wind wheel and the rear wind wheel is, namely, the larger the sum of the rotating speeds of the front wind wheel and the rear wind wheel is, the longer the air supply distance of the air conditioner is, thereby realizing the non-wind-sensation mode at a far position, when the user distance is smaller than or equal to a first preset threshold value, the rotating speed ratio of the front wind wheel to the rear wind wheel is larger than a second preset threshold value or the rotating speed ratio of the rear wind wheel to the front wind wheel is larger than the second preset threshold value, when the user distance is larger than a first preset threshold value, the value range of the rotating speed ratio of the front wind wheel and the rear wind wheel is between 1 and a second preset threshold value or the value range of the rotating speed ratio of the rear wind wheel and the front wind wheel is between 1 and the second preset threshold value, the second threshold is a boundary value of the rotation speed ratio, and the second preset threshold is obtained according to the air outlet angle of the air guide grille. The larger the air outlet angle of the air guide grid is, the easier the air outlet angle is, the more the air outlet angle is. And under the condition that the distance between the users is fixed, if the air outlet angle is larger, the second preset threshold value is smaller. Similarly, if the air outlet angle is smaller, the second preset threshold value is larger.
For example, the first preset value is 8m, the second preset threshold value is 4, when the user distance is less than or equal to 8m, the rotation speed ratio of the front wind wheel to the rear wind wheel is greater than 4 or the rotation speed ratio of the rear wind wheel to the front wind wheel is greater than 4, wherein when the user distance is less than 5m, the rotation speed ratio of the front wind wheel to the rear wind wheel is greater than 4, wherein the smaller the distance is, the larger the rotation speed ratio is; when the user distance is 5m to 8m, the rotating speed ratio of the rear wind wheel to the front wind wheel is larger than 4, wherein the larger the distance is, the smaller the rotating speed ratio is. For example, when the user distance is greater than 8m, the value range of the rotation speed ratio of the front wind wheel to the rear wind wheel is between 1 and 4 or the value range of the rotation speed ratio of the rear wind wheel to the front wind wheel is between 1 and 4, wherein when the user distance is between 8m and 12m, the value range of the rotation speed ratio of the front wind wheel to the rear wind wheel is between 1 and 4, wherein the smaller the distance is, the larger the rotation speed ratio is; when the user distance is 12m to 15m, the value range of the rotating speed ratio of the rear wind wheel to the front wind wheel is 1 to 4, and the larger the distance is, the smaller the rotating speed ratio is.
A third embodiment of the control method of the air conditioner of the present invention is proposed based on the first embodiment.
In this embodiment, the air outlet directions of the front wind wheel and the rear wind wheel of the air conditioner are opposite and the rotation directions are the same, and the distance is smaller when the air outlet directions of the front wind wheel and the rear wind wheel are opposite, the rotating speed of the front wind wheel and the rear wind wheel is smaller, namely the sum of the rotating speeds of the front wind wheel and the rear wind wheel is smaller, the air supply distance of the air conditioner is shorter, and therefore the non-wind-sensing mode at the close position is achieved. And when the user distance is smaller than a third preset threshold value, the air outlet directions of the front wind wheel and the rear wind wheel are opposite and the rotation directions are the same. At this time, the method is used for realizing a non-wind-sensing mode at a near position, the rotation speed ratio of the front wind wheel to the rear wind wheel is greater than a second preset threshold value or the rotation speed ratio of the rear wind wheel to the front wind wheel is greater than a second preset threshold value, wherein a third preset threshold value is smaller than a first preset threshold value, for example, the third preset threshold value is 2m, when a user distance is less than 2m, the rotation speed ratio of the front wind wheel to the rear wind wheel is greater than the second preset threshold value or the rotation speed ratio of the rear wind wheel to the front wind wheel is greater than the second preset threshold value, wherein the smaller the distance is, the smaller the rotation speed ratio is, axial wind of the front wind wheel and the rear wind wheel is offset, the rotation wind of the front wind wheel and the rotation wind of the rear wind wheel are overlapped, and the non-wind. When the user distance is larger than a second preset threshold value, the air outlet directions of the front wind wheel and the rear wind wheel are adjusted at the moment, so that the air outlet directions of the front wind wheel and the rear wind wheel are the same, then the rotating speeds of the front wind wheel and the rear wind wheel are adjusted according to the relation between the user distance and the first preset threshold value, and therefore the mode without wind sensation is achieved. Further, when a user moves from a position larger than a second preset threshold value to a position smaller than the second preset threshold value, the rotation directions of the front wind wheel and the rear wind wheel are changed, so that the air outlet directions of the front wind wheel and the rear wind wheel are opposite, and then the rotation speeds of the front wind wheel and the rear wind wheel are adjusted according to the distance, so that the effect of no wind feeling is achieved.
In the technical scheme provided by this embodiment, the rear wind wheel and the front wind wheel have different rotating speeds, and when the rotation direction of the front wind wheel is opposite to that of the rear wind wheel, the front wind wheel has the same rear air-out direction, the smaller the user distance is, the larger the difference between the rotating speeds of the rear wind wheel and the front wind wheel is, and the larger the user distance is, the smaller the difference between the rotating speeds of the rear wind wheel and the front wind wheel is.
In the technical scheme provided by this embodiment, the rear wind wheel and the front wind wheel have different rotating speeds, the front wind wheel and the rear wind wheel have the same rotating direction, the front wind wheel and the rear wind wheel have opposite air-out directions, the smaller the user distance is, the smaller the difference between the rear wind wheel and the front wind wheel is, and the larger the user distance is, the larger the difference between the rear wind wheel and the front wind wheel is.
Referring to fig. 5, fig. 5 is a fourth embodiment of a control method of an air conditioner, further including, based on the first embodiment:
step S40, detecting the indoor temperature of the environment where the air conditioner is located;
step S50, judging whether the indoor temperature is higher than the preset temperature;
when the indoor temperature is greater than a preset temperature, performing step S10, namely, detecting a user distance between a user and the air conditioner;
and step S60, stopping running the compressor of the air conditioner when the indoor temperature is less than or equal to the preset temperature.
Among the technical scheme that this embodiment provided, predetermine the temperature that the temperature was set for the user, the air outlet department of air conditioner is equipped with temperature sensor for detect the indoor temperature of air conditioner environment, then compare indoor temperature and predetermine the temperature, judge whether indoor temperature is greater than predetermined temperature, when indoor temperature is greater than predetermined temperature, show that the environment needs the cooling this moment, the air conditioner gets into refrigeration and enters the no wind sense mode, carry out step S10 this moment when indoor temperature is less than or equal to when predetermineeing the temperature, indoor temperature satisfies the user demand this moment, in order to avoid the air conditioner to transmit cold meaning to the user, the compressor of air conditioner should stop to operate this moment, improves the travelling comfort of air conditioner.
The invention also provides an air conditioner, which is provided with an air outlet and a contra-rotating fan, wherein the contra-rotating fan supplies air to the air outlet, an air guide grid is arranged at the air outlet of an indoor unit of the air conditioner, the contra-rotating fan comprises a rear wind wheel and a front wind wheel which is contra-rotating to the rear wind wheel, the air outlet of the air conditioner flows to the front wind wheel from the rear wind wheel, the air conditioner comprises a processor, a memory and a control program of the air conditioner, the control program of the air conditioner is stored in the memory and can run on the processor, and the control program of the air conditioner realizes the steps of the control method of the air conditioner according to the embodiment when being executed by the processor.
Furthermore, the rotation directions of the front wind wheel and the rear wind wheel of the air conditioner are opposite, the air outlet directions of the front wind wheel and the rear wind wheel are the same and face the user, the axial wind of the front wind wheel and the axial wind of the rear wind wheel are superposed, and the rotating wind of the front wind wheel and the rotating wind of the rear wind wheel are offset; or the rotation directions of the front wind wheel and the rear wind wheel of the air conditioner are the same, and the air outlet directions of the front wind wheel and the rear wind wheel are the same and opposite.
The present invention also provides a computer-readable storage medium storing a control program of an air conditioner, which when executed by a processor, implements the steps of the control method of the air conditioner as described in the above embodiments.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The control method of the air conditioner is characterized in that the air conditioner is provided with an air outlet and a counter-rotating fan, the counter-rotating fan supplies air to the air outlet, an air guide grid is arranged at the air outlet of an indoor unit of the air conditioner, the counter-rotating fan comprises a rear wind wheel and a front wind wheel which is arranged in a counter-rotating mode with the rear wind wheel, the air outlet of the air conditioner flows to the front wind wheel through the rear wind wheel, and the control method of the air conditioner comprises the following steps:
the air conditioner enters a no-wind-sense mode, and the user distance between a user and the air conditioner is detected;
determining the air supply distance of the counter-rotating fan according to the user distance, wherein the air supply distance is smaller than the user distance;
determining the sum of the rotating speeds of the rear wind wheel and the front wind wheel according to the distance interval of the air supply distance;
determining the rotation speed ratio of the rear wind wheel and the front wind wheel according to the distance interval of the air supply distance and the air outlet angle of the air guide grid;
determining a target rotating speed corresponding to the rear wind wheel according to the sum of the rotating speeds and the rotating speed ratio;
determining a target rotating speed corresponding to the front wind wheel according to the sum of the rotating speeds and the rotating speed ratio;
and controlling the rear wind wheel and the front wind wheel to operate according to the corresponding target rotating speed, so that the air supply distance of the counter-rotating fan is smaller than the user distance.
2. The method according to claim 1, wherein when the user distance is greater than a first preset threshold, the rotation directions of the front wind wheel and the rear wind wheel are opposite, the rotation speed ratio of the front wind wheel to the rear wind wheel ranges from 1 to a second preset threshold or the rotation speed ratio of the rear wind wheel to the front wind wheel ranges from 1 to a second preset threshold, and when the user distance is less than or equal to the first preset threshold, the rotation speed ratio of the front wind wheel to the rear wind wheel is greater than the second preset threshold or the rotation speed ratio of the rear wind wheel to the front wind wheel is greater than the second preset threshold, wherein the second preset threshold is obtained according to the air outlet angle.
3. The control method of an air conditioner according to claim 1, wherein the rear wind wheel and the front wind wheel have different rotation speeds, and the smaller the user distance is, the larger the difference between the rear wind wheel and the front wind wheel is, and the front wind wheel and the rear wind wheel rotate in opposite directions.
4. The control method of an air conditioner according to claim 1, wherein the rear wind wheel and the front wind wheel have different rotation speeds, and the smaller the user distance is, the smaller the difference between the rear wind wheel and the front wind wheel is, and the front wind wheel and the rear wind wheel have the same rotation direction.
5. The control method of an air conditioner according to claim 1, further comprising:
detecting the indoor temperature of the environment where the air conditioner is located;
when the indoor temperature is higher than a preset temperature, executing a step of detecting a user distance between a user and the air conditioner;
and stopping running the compressor of the air conditioner when the temperature is less than or equal to the preset temperature.
6. An air conditioner is characterized in that the air conditioner is provided with an air outlet and a contra-rotating fan, the contra-rotating fan supplies air to the air outlet, an air guide grid is arranged at the air outlet of an indoor unit of the air conditioner, the contra-rotating fan comprises a rear wind wheel and a front wind wheel which is contra-rotatably arranged with the rear wind wheel, the outlet air of the air conditioner flows to the front wind wheel from the rear wind wheel, the air conditioner comprises a processor, a memory and a control program of the air conditioner, the control program of the air conditioner is stored on the memory and can run on the processor, and when the control program of the air conditioner is executed by the processor, the steps of the control method of the air conditioner according to any one of claims 1-5 are realized.
7. The air conditioner according to claim 6, wherein the front wind wheel and the rear wind wheel rotate in opposite directions; or the rotation directions of the front wind wheel and the rear wind wheel are the same.
8. A storage medium storing a control program of an air conditioner, the control program of the air conditioner realizing the respective steps of the control method of the air conditioner according to any one of claims 1 to 5 when executed by a processor.
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| CN109520077A (en) * | 2018-11-15 | 2019-03-26 | 广东美的制冷设备有限公司 | Air conditioner and its control method and computer readable storage medium |
| CN110285548B (en) * | 2019-06-11 | 2021-05-14 | 青岛海信日立空调系统有限公司 | Air supply control method of air conditioner indoor unit and air conditioner indoor unit |
| CN110762797A (en) * | 2019-11-05 | 2020-02-07 | 广东美的制冷设备有限公司 | Control method of air conditioner |
| CN111412612B (en) * | 2020-03-31 | 2022-03-01 | 广东美的制冷设备有限公司 | Vortex ring generation method based on air conditioner, storage medium and device |
| CN114440426A (en) * | 2022-03-09 | 2022-05-06 | 青岛海信日立空调系统有限公司 | Air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH094868A (en) * | 1995-06-16 | 1997-01-10 | Kurogane Kosakusho:Kk | High air pressure type air conditioner |
| JPH10253120A (en) * | 1997-03-12 | 1998-09-25 | Toto Ltd | Drying device |
| KR20110085646A (en) * | 2010-01-21 | 2011-07-27 | 엘지전자 주식회사 | Blower and outdoor unit having same |
| CN106287951A (en) * | 2016-08-04 | 2017-01-04 | 珠海格力电器股份有限公司 | Vertical cabinet type air conditioner and method for improving air blowing comfort of air conditioner |
| CN107490159A (en) * | 2017-09-30 | 2017-12-19 | 广东美的制冷设备有限公司 | Air conditioner and its control method and device |
| CN108266808A (en) * | 2018-03-20 | 2018-07-10 | 广东美的制冷设备有限公司 | Cabinet air-conditioner and air conditioner |
| CN108266809B (en) * | 2018-03-20 | 2024-09-10 | 广东美的制冷设备有限公司 | Cabinet air conditioner and air conditioner |
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