CN114543339B - Air conditioner air deflector with automatic adjusting device and installation method thereof - Google Patents

Air conditioner air deflector with automatic adjusting device and installation method thereof Download PDF

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Publication number
CN114543339B
CN114543339B CN202210195736.3A CN202210195736A CN114543339B CN 114543339 B CN114543339 B CN 114543339B CN 202210195736 A CN202210195736 A CN 202210195736A CN 114543339 B CN114543339 B CN 114543339B
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Prior art keywords
air
air conditioner
deflector
motor
air deflector
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CN114543339A (en
Inventor
许运
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Sanhe Tongfei Refrigeration Co ltd
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Sanhe Tongfei Refrigeration Co ltd
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    • 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
    • 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
    • F24F11/65Electronic processing for selecting an operating mode
    • F24F11/67Switching between heating and cooling modes
    • 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient 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)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air-Flow Control Members (AREA)

Abstract

The invention relates to the technical field of intelligent air conditioners and discloses an air conditioner air deflector with an automatic adjusting device and an installation method thereof. According to the invention, the thermistor and the parallel circuit structure are adopted, so that the air deflector can realize automatic adjustment and rotation, manual adjustment is avoided, the proper and accurate air guiding direction of the air deflector can be ensured, the circuit connection and the driving and driven wheel transmission are adopted, when the air outlet guide plate is opened and closed, the air deflector can realize synchronous automatic opening and closing, the phenomenon that dust is accumulated and flying dust is caused due to the fact that the air deflector is always opened and laid when the air conditioner is not used is avoided, the length of the air outlet guide plate can be effectively prolonged by adopting the rectangular air deflector, and the air conditioner is beneficial to refrigerating or heating effects.

Description

Air conditioner air deflector with automatic adjusting device and installation method thereof
Technical Field
The invention relates to the technical field of intelligent air conditioners, in particular to an air conditioner air deflector with an automatic adjusting device and an installation method thereof.
Background
The air conditioner is a device for adjusting and controlling parameters such as air temperature, humidity and flow rate of a building or the internal environment of the building, and mainly comprises a refrigerating system, a ventilation system and an electrical control system, wherein an air outlet of the household air conditioner is fixed and directly blown, so that the hidden danger of 'air conditioner diseases' of a human body is caused, and in the prior art, the air conditioner is provided with an externally-hung air deflector which is arranged at the bottom end of the air conditioner and used for guiding wind direction, so that the air conditioner is prevented from directly blowing the human body, and the air conditioner is simple in structure and rapid to use, and is widely applied to the air conditioner.
However, such an air deflector belongs to external equipment, and needs to be installed and used by itself in addition, and is not integrated with an air conditioner, in the use process, when the air conditioner is used for adjusting a refrigerating or heating mode, the external air deflector is required to be manually adjusted in angle, because the manual adjustment is inaccurate, the refrigerating temperature is too low or the heating temperature is too high, the air deflector has unsuitable air guiding direction, when the air deflector is inaccurate in air guiding direction, the effects of preventing wind and directly blowing and improving the temperature regulation of the air conditioner are greatly reduced, in addition, when the air conditioner is closed, because the air conditioner is provided with the air deflector which is automatically opened and closed, the dust prevention effect is excellent, but the external air deflector is not provided with an automatic opening and closing function, and the plate surface is large, so that dust is very easy to be accumulated, when the air conditioner is opened and used again, the air blows to the surface of the external air deflector, the phenomenon of flying dust exists, the environment is polluted, and dust is easy to fly to the air conditioner air inlet, and dust pollution is caused.
Disclosure of Invention
Aiming at the defects of the prior air conditioner air deflector in the use process, the invention provides the air conditioner air deflector with the automatic adjusting device and the installation method thereof, which have the advantages of automatically adjusting the angle of the air deflector, accurately guiding the wind direction, avoiding direct blowing, improving the air conditioner temperature control effect, automatically opening and closing the air deflector and avoiding dust accumulation, and solve the technical problems in the prior art.
The invention provides the following technical scheme: the utility model provides an air conditioner aviation baffle with automatic regulating apparatus, includes the air conditioner shell, the inside fixed mounting of air conditioner shell has the power, one side fixed mounting of power has the fan, two fixed mounting have two wires respectively in the both ends of power, two the one end fixed mounting of wire has first motor, the one end fixed mounting of first motor has the loose axle, the inboard bottom fixed mounting of loose axle has the air-out baffle, one side movable mounting of loose axle has the action wheel, the outside movable sleeve of action wheel has the drive belt, the one end activity sleeve of drive belt has driven wheel, the inboard fixed mounting of driven wheel has the aviation baffle, two thermistors have respectively fixed mounting in the both ends of power, two the one end fixed mounting of thermistor has the second motor, the one end fixed mounting of second motor has the action wheel.
Preferably, the shape of the air outlet guide plate is a half arc, and the arc of the arc surface is matched with the arc of the air outlet opening of the air conditioner shell.
Preferably, the driving wheel and the driven wheel are identical in size and shape, and the rotation directions are the same.
Preferably, the air deflector is rectangular in shape, and the rotatable angle of the air deflector ranges from 0 degrees to 135 degrees.
Preferably, the resistance value of the thermistor decreases with an increase in temperature, and increases with a decrease in temperature.
The method for installing the air conditioner air deflector with the automatic adjusting device comprises the following steps of:
s1, sequentially installing a power supply, a fan, a wire, a first motor, a movable shaft, an air outlet guide plate, a driving wheel, a driving belt, a driven wheel, an air deflector, a thermistor and a second motor in the air conditioner shell, sequentially installing other existing components of the air conditioner after the whole assembly is finished, installing the air conditioner in a required building through existing related equipment after the whole assembly of the air conditioner is finished, and using the air conditioner after the installation is finished;
s2, when a user needs to use the air conditioner, a power supply and other corresponding power supply equipment are started through the controller, at the moment, the fan starts to operate to generate cool air or hot air, the air outlet guide plate rotates through the transmission of the first motor and the movable shaft, and the second motor drives the driving wheel, the transmission belt and the driven wheel to rotate, so that the air deflector is driven to rotate;
s3, when a user starts an air conditioner heating mode, the fan outputs hot air to the air outlet, the hot air passes through the thermistor to reduce the resistance value of the hot air, the electric energy for the second motor is increased, the downward rotation angle of the air deflector is larger than ninety degrees, a right angle or an obtuse angle is formed between the air deflector and the air outlet guide plate, and the hot air flows downwards along the air outlet guide plate and the air deflector;
s4, when a user starts an air conditioner refrigerating mode, the fan outputs cold air to the air outlet, the cold air passes through the thermistor, so that the resistance value of the cold air is increased, the electric energy for the second motor is reduced, the downward rotation angle of the air deflector is smaller than ninety degrees, an acute angle or a right angle included angle is formed between the air deflector and the air outlet guide plate, and the cold air flows upwards along the air outlet guide plate and the air deflector;
s5, when the user turns off the air conditioner, the power supply starts to be turned off, the first motor and the second motor respectively drive the air outlet guide plate and the air guide plate to be closed inwards, and the flying dust phenomenon is avoided.
The invention has the following beneficial effects:
1. according to the invention, the thermistor and the parallel circuit structure are adopted, so that when the fan sends cold air or hot air, the resistance value of the thermistor is changed, the driving force of the second motor is changed, and then the driving wheel, the driving belt and the driven wheel are sequentially driven, so that the air deflector is automatically regulated and rotated, manual regulation is avoided, the proper and accurate air guiding direction of the air deflector can be ensured, the wind prevention and direct blowing can be realized, and the temperature regulation effect of the air conditioner can be improved.
2. The invention adopts circuit connection and driving of the driving wheel and the driven wheel to convert the existing externally-hung air deflector into the internal structure of the air conditioner, so that the air deflector is integrated with the air outlet guide plate, when the air outlet guide plate is opened and closed, the air deflector can be synchronously and automatically opened and closed, and the phenomenon that dust is accumulated and flying dust is caused because the air deflector is always opened and laid when the air conditioner is not used is avoided.
3. According to the invention, the rectangular air deflector is adopted, so that the width of the existing air outlet guide plate is limited, the heat exchange time between cold air and an upper layer hot zone is not long during refrigeration, and the downward conveying of hot air is not fast enough during heating, and the length of the air outlet guide plate can be effectively prolonged by arranging the air deflector at the bottom of one end of the air outlet guide plate, so that the air outlet guide plate is beneficial to the refrigeration or heating effect of an air conditioner.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the expansion state of the air deflector at constant temperature;
FIG. 3 is a schematic diagram showing the expansion state of the air deflector during refrigeration according to the present invention;
FIG. 4 is a schematic diagram showing the expansion state of the air deflector during heating according to the present invention;
fig. 5 is a schematic circuit diagram of the structure of the present invention.
In the figure: 1. an air conditioner case; 2. a power supply; 3. a blower; 4. a wire; 5. a first motor; 6. a movable shaft; 7. an air outlet guide plate; 8. a driving wheel; 9. a transmission belt; 10. driven wheel; 11. an air deflector; 12. a thermistor; 13. and a second motor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, an air conditioner air deflector with an automatic adjusting device comprises an air conditioner shell 1, a power supply 2 is fixedly installed in the air conditioner shell 1, a fan 3 is fixedly installed at one side of the power supply 2, two leads 4 are fixedly installed at two ends of the power supply 2 respectively, a first motor 5 is fixedly installed at one end of the two leads 4, a movable shaft 6 is fixedly installed at one end of the first motor 5, an air outlet guide plate 7 is fixedly installed at the bottom of the inner side of the movable shaft 6, a driving wheel 8 is movably installed at one side of the movable shaft 6, a driving belt 9 is movably sleeved outside the driving wheel 8, a driven wheel 10 is movably sleeved at one end of the driving belt 9, an air deflector 11 is fixedly installed at the inner side of the driven wheel 10, two thermistors 12 are fixedly installed at two ends of the power supply 2 respectively, a second motor 13 is fixedly installed at one end of the two thermistors 12, and the driving wheel 8 is fixedly installed at one end of the second motor 13.
The shape of the air outlet guide plate 7 is a half arc shape, and the arc of the arc surface is matched with the arc of the air outlet opening of the air conditioner shell 1.
The sizes and the shapes of the driving wheel 8 and the driven wheel 10 are consistent, the rotation directions are the same, the existing externally-hung air deflector is combined with the air outlet guide plate 7 into a whole by utilizing a connecting circuit and the transmission of the driving wheel 8 and the driven wheel 10, when the air outlet guide plate 7 is opened and closed, the air deflector 11 can be synchronously and automatically opened and closed, and the phenomenon that dust is accumulated and flying dust is caused because the air deflector 11 is always opened and laid when the air conditioner is not used is avoided.
The air deflector 11 is rectangular, and has a limited width, so that the heat exchange time between the cold air and the upper hot zone is not long when the air conditioner is refrigerating, and the downward conveying of the hot air is not fast enough when the air conditioner is heating, and the length of the air deflector 7 can be effectively prolonged by arranging the air deflector 11 at the bottom of one end of the air deflector 7, which is beneficial to the refrigerating or heating effect of the air conditioner, and the rotatable angle range of the air deflector 11 is 0-135 degrees.
The resistance value of the thermistor 12 decreases along with the increase of the temperature and increases along with the decrease of the temperature, a specific thermistor 12 is adopted, the resistance value of the thermistor 12 is changed when the fan 3 sends cold air or hot air by using a parallel circuit structure, the driving force of the second motor 13 is changed, and then the air deflector 11 is automatically adjusted and rotated by the driving wheel 8, the driving belt 9 and the driven wheel 10 in sequence, so that manual adjustment is avoided, the proper and accurate air guiding direction of the air deflector 11 can be ensured, and the effects of wind prevention and direct blowing and air conditioning temperature adjustment are improved.
The method for installing the air conditioner air deflector with the automatic adjusting device comprises the following steps of:
s1, sequentially installing a power supply 2, a fan 3, a wire 4, a first motor 5, a movable shaft 6, an air outlet guide plate 7, a driving wheel 8, a driving belt 9, a driven wheel 10, an air deflector 11, a thermistor 12 and a second motor 13 in the air conditioner shell 1, sequentially installing other existing components of the air conditioner after the whole assembly is finished, and installing the air conditioner in a required building through existing related equipment after the whole assembly of the air conditioner is finished, wherein the air conditioner can be used after the installation is finished;
s2, when a user needs to use the air conditioner, a power supply 2 and other corresponding power supply equipment are started through a controller, at the moment, a fan 3 starts to operate to generate cool air or hot air, an air outlet guide plate 7 rotates through the transmission of a first motor 5 and a movable shaft 6, and a second motor 13 drives a driving wheel 8, a transmission belt 9 and a driven wheel 10 to rotate, so that an air deflector 11 is driven to rotate;
s3, when a user starts an air conditioning heating mode, the fan 3 outputs hot air to the air outlet, the hot air passes through the thermistor 12 to reduce the resistance value, the electric energy for the second motor 13 is increased, the downward rotation angle of the air deflector 11 is more than ninety degrees, a right angle or an obtuse angle included angle is formed between the air deflector 11 and the air outlet guide plate 7, and the hot air flows downwards along the air outlet guide plate 7 and the air deflector 11;
s4, when a user starts an air conditioner refrigerating mode, the fan 3 outputs cold air to the air outlet, the cold air passes through the thermistor 12 to enable the resistance value of the cold air to be increased, the electric energy for the second motor 13 is reduced, the downward rotation angle of the air deflector 11 is smaller than ninety degrees, an acute angle or a right angle is formed between the air deflector 11 and the air outlet guide plate 7, and the cold air flows upwards along the air outlet guide plate 7 and the air deflector 11;
s5, when the user turns off the air conditioner, the power supply 2 starts to be turned off, the first motor 5 and the second motor 13 respectively drive the air outlet guide plate 7 and the air deflector 11 to be closed inwards, and the flying dust phenomenon is avoided.
The application method (working principle) of the invention is as follows:
when the air conditioner is assembled, the power supply 2, the fan 3, the lead 4, the first motor 5, the movable shaft 6, the air outlet guide plate 7, the driving wheel 8, the driving belt 9, the driven wheel 10, the air deflector 11, the thermistor 12 and the second motor 13 are sequentially arranged in the air conditioner shell 1, and after the air conditioner is assembled, the air conditioner is arranged in a required building through relevant equipment, and after the air conditioner is arranged, the air conditioner can be used.
When a user needs to use the air conditioner, the power supply 2 and other corresponding power supply equipment are started through the controller, at the moment, the fan 3 starts to operate to generate cool air or hot air, the air outlet guide plate 7 rotates through the transmission of the first motor 5 and the movable shaft 6 to realize the opening action, and the second motor 13 drives the driving wheel 8, the transmission belt 9 and the driven wheel 10 to rotate, so that the air deflector 11 is driven to rotate, and the opening action is also realized.
When a user starts an air conditioning refrigeration mode, the fan 3 outputs cold air to the air outlet, the cold air passes through the thermistor 12, so that the resistance value of the cold air is increased, the electric energy of the cold air and the second motor 13 is reduced, the downward rotation angle of the air deflector 11 is smaller than ninety degrees, an acute angle or a right angle included angle is formed between the cold air and the air outlet guide plate 7, the cold air flows upwards along the air outlet guide plate 7 and the air deflector 11 and is mixed with an upper hot zone, and therefore the cold air is prevented from directly blowing down a human body, heat exchange with the hot zone is faster, the whole cold and heat exchange is balanced, and the temperature control is comfortable.
When a user starts an air conditioning heating mode, the fan 3 outputs hot air to the air outlet, hot air passes through the thermistor 12, so that the resistance value of the hot air is reduced, electric energy for the second motor 13 is increased, the downward rotation angle of the air deflector 11 is larger than ninety degrees, a right angle or an obtuse angle is formed between the hot air and the air outlet guide plate 7, the hot air flows downwards along the air outlet guide plate 7 and the air deflector 11, the width value of the air outlet guide plate 7 is prolonged to a certain extent by the air deflector 11, the hot air is transmitted downwards farther, the heating efficiency is faster, the air conditioning heating output is effectively reduced, and a certain energy-saving effect is achieved.
According to the characteristics of large cold air density and small hot air density, the automatic top-down refrigeration is realized during refrigeration, the automatic bottom-up heating is realized during heating, and the temperature control and regulation efficiency is high.
When the user turns off the air conditioner, the power supply 2 starts to be turned off, the first motor 5 and the second motor 13 respectively drive the air outlet guide plate 7 and the air guide plate 11 to be closed inwards, dust can be effectively prevented from accumulating on the surfaces of the air outlet guide plate 7 and the air guide plate 11 by sealing the air outlet guide plate, and therefore the phenomenon of flying dust is avoided when the air conditioner is turned on.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus 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 apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Air conditioner aviation baffle with automatic regulating apparatus, including air conditioner shell (1), its characterized in that: the utility model discloses a motor, including air conditioning shell (1), fan (3) are installed to inside fixed mounting of air conditioning shell (1), one side fixed mounting of power (2) has fan (3), two fixed mounting has two wires (4) respectively in the both ends of power (2), two one end fixed mounting of wire (4) has first motor (5), one end fixed mounting of first motor (5) has loose axle (6), the inboard bottom fixed mounting of loose axle (6) has air-out baffle (7), one side movable mounting of loose axle (6) has action wheel (8), the outside movable sleeve of action wheel (8) has drive belt (9), driven driving wheel (10) have been cup jointed in the one end activity of drive belt (9), the inboard fixed mounting of driven wheel (10) has aviation baffle (11), two thermistors (12) are installed respectively in the both ends of power (2), two one end fixed mounting of thermistor (12) has second motor (13), one end fixed mounting of second motor (13) has action wheel (8).
2. An air conditioner air deflector with an automatic adjustment device as set forth in claim 1, wherein: the shape of the air outlet guide plate (7) is in a semi-arc shape, and the arc of the arc surface is matched with the arc of the air outlet opening of the air conditioner shell (1).
3. An air conditioner air deflector with an automatic adjustment device as set forth in claim 1, wherein: the driving wheel (8) and the driven wheel (10) are identical in size and shape and the rotation direction.
4. An air conditioner air deflector with an automatic adjustment device as set forth in claim 1, wherein: the air deflector (11) is rectangular in shape, and the rotatable angle of the air deflector (11) is 0-135 degrees.
5. An air conditioner air deflector with an automatic adjustment device as set forth in claim 1, wherein: the resistance value of the thermistor (12) decreases with an increase in temperature, and increases with a decrease in temperature.
6. The method for installing an air conditioner air deflector with an automatic adjusting device according to claim 1, comprising the steps of:
s1, a power supply (2), a fan (3), a wire (4), a first motor (5), a movable shaft (6), an air outlet guide plate (7), a driving wheel (8), a driving belt (9), a driven wheel (10), an air deflector (11), a thermistor (12) and a second motor (13) are sequentially arranged in an air conditioner shell (1), after the whole assembly is finished, other existing components of the air conditioner are sequentially arranged, after the whole assembly of the air conditioner is finished, the air conditioner is arranged in a required building through existing related equipment, and after the installation is finished, the air conditioner can be used;
s2, when a user needs to use the air conditioner, a power supply (2) and other corresponding power supply equipment are started through a controller, at the moment, a fan (3) starts to operate to generate cool air or hot air, an air outlet guide plate (7) rotates through the transmission of a first motor (5) and a movable shaft (6), and a second motor (13) drives a driving wheel (8), a transmission belt (9) and a driven wheel (10) to rotate, so that an air deflector (11) is driven to rotate;
s3, when a user starts an air conditioner heating mode, the fan (3) outputs hot air to the air outlet, the hot air passes through the thermistor (12) to reduce the resistance value, the electric energy for the second motor (13) is increased, the downward rotation angle of the air deflector (11) is larger than ninety degrees, a right angle or an obtuse angle included angle is formed between the air deflector and the air outlet guide plate (7), and the hot air flows downwards along the air outlet guide plate (7) and the air deflector (11);
s4, when a user starts an air conditioner refrigerating mode, the fan (3) outputs cold air to the air outlet, the cold air passes through the thermistor (12) to enable the resistance value of the cold air to be increased, the electric energy for the second motor (13) is reduced, the downward rotation angle of the air deflector (11) is smaller than ninety degrees, an acute angle or a right angle included angle is formed between the air deflector and the air outlet guide plate (7), and the cold air flows upwards along the air outlet guide plate (7) and the air deflector (11);
s5, when the user turns off the air conditioner, the power supply (2) starts to be turned off, the first motor (5) and the second motor (13) respectively drive the air outlet guide plate (7) and the air deflector (11) to be closed inwards, and the phenomenon of flying dust is avoided.
CN202210195736.3A 2022-03-01 2022-03-01 Air conditioner air deflector with automatic adjusting device and installation method thereof Active CN114543339B (en)

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