CN113405160A - Air conditioner indoor unit and control method thereof - Google Patents
Air conditioner indoor unit and control method thereof Download PDFInfo
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- CN113405160A CN113405160A CN202110722682.7A CN202110722682A CN113405160A CN 113405160 A CN113405160 A CN 113405160A CN 202110722682 A CN202110722682 A CN 202110722682A CN 113405160 A CN113405160 A CN 113405160A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005057 refrigeration Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 10
- 238000007664 blowing Methods 0.000 description 14
- 230000008859 change Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 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
- 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
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
- F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
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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
- F24F11/65—Electronic processing for selecting an operating mode
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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
- 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)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an air conditioner indoor unit and a control method thereof, wherein the air conditioner indoor unit comprises: the air conditioner comprises a machine shell, a first air outlet, a second air outlet, a first side air outlet and a second side air outlet, wherein the machine shell is provided with the first front air outlet, the second front air outlet and the first side air outlet; the first fan corresponds to the first front air outlet; the second fan corresponds to the first side air outlet; the third fan corresponds to the second side air outlet and the second front air outlet; a first opening/closing device; a second opening/closing device; a third opening and closing device; and the controller controls the second fan and the third fan to work when the indoor unit of the air conditioner operates in a refrigeration mode, controls the first opening and closing device to open the first side air outlet, controls the second opening and closing device to open the second side air outlet, and controls the third opening and closing device to close the second front air outlet. Therefore, the opening and closing of the corresponding air outlet can be selected according to the operation mode, so that the air supply mode meeting the requirements of users is formed, and the comfort of the users can be improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner indoor unit and a control method thereof.
Background
Along with the development of science and technology and the promotion of people's standard of living, people have not only stayed on adjusting indoor temperature to the demand of air conditioner, and how to make the air-out of air conditioner more comfortable, the noise is littleer, is the key technology that further promotes the air conditioner performance.
In the related art, the air conditioner is only provided with the air outlet on the front side, so that the air conditioner can only output air to one direction, the requirement of a user cannot be met, and when the user just faces the air outlet on the front side, the direct-blowing air can cause discomfort of the user, and the use experience of the user is reduced.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the air conditioner indoor unit which can control the air outlet direction according to the operation mode and improve the comfort.
The invention further provides a control method of the indoor unit of the air conditioner.
The indoor unit of the air conditioner comprises the following components: the air conditioner comprises a machine shell, a first air outlet, a first side air outlet, a second side air outlet and a second front air outlet, wherein the machine shell is provided with the first front air outlet, the first side air outlet, the second side air outlet and the second front air outlet, the first front air outlet and the second front air outlet are positioned on the front side of the machine shell, the first front air outlet is positioned above the second front air outlet, the first side air outlet and the second side air outlet are positioned on the side surface of the machine shell, and the first side air outlet is arranged above the second side air outlet; the heat exchanger is arranged in the shell; the first fan is arranged in the shell and corresponds to the first front air outlet; the second fan is arranged in the shell and is positioned below the first fan, and the second fan corresponds to the first side air outlet; the third fan is arranged in the shell and is positioned below the second fan, and the third fan corresponds to the second side air outlet and the second front air outlet respectively; the first opening and closing device is arranged at the first side air outlet; the second opening and closing device is arranged at the second side air outlet; the third opening and closing device is arranged at the second front air outlet; the controller is arranged in the shell and is respectively connected with the first fan, the second fan, the third fan, the first opening and closing device, the second opening and closing device and the third opening and closing device, when the air conditioner indoor unit operates in a refrigeration mode, the controller controls the second fan and the third fan to work, controls the first opening and closing device to open the first side air outlet, controls the second opening and closing device to open the second side air outlet and controls the third opening and closing device to close the second front air outlet.
Therefore, according to the air conditioner indoor unit provided by the embodiment of the invention, the first opening and closing device, the second opening and closing device, the third opening and closing device and the controller are arranged, so that the opening and closing of the corresponding air outlet can be selected according to the operation mode, the air supply mode meeting the requirements of users is formed, and the comfort of the users can be improved.
According to an embodiment of the present invention, when the indoor unit of the air conditioner operates in the heating mode, the controller controls the second fan and the third fan to operate, controls the first opening and closing device to close the first side air outlet, controls the second opening and closing device to close the second side air outlet, and controls the third opening and closing device to open the second front air outlet.
According to an embodiment of the present invention, the indoor unit of the air conditioner further includes: the first human body detector is arranged on the shell and connected with the controller, and when the indoor unit of the air conditioner operates in a refrigeration mode and the first human body detector detects a human body within a first range, the controller controls the third fan to be turned off.
According to an embodiment of the present invention, the indoor unit of the air conditioner further includes: the second human body detector is arranged on the shell and connected with the controller, when the air conditioner indoor unit operates in a refrigeration mode and the second human body detector detects a human body in a second range, the controller controls the second fan and the third fan to be turned off, the first fan is turned on or kept on, and the height of the second range is larger than that of the first range.
According to an embodiment of the present invention, the indoor unit of the air conditioner further includes: an air duct piece, the air duct piece includes: the air conditioner comprises a first air channel, a second air channel and a third air channel, wherein the first air channel is communicated with the first front air outlet, the second air channel is communicated with the first side air outlet, the third air channel is communicated with the second side air outlet and the second front air outlet respectively, the first fan is arranged in the first air channel, the second fan is arranged in the second air channel, and the third fan is arranged in the third air channel.
According to one embodiment of the invention, the air duct member is provided with an air guide hole communicating the first air duct and the second air duct.
According to one embodiment of the present invention, the air duct member includes: the first air channel is arranged on the upper air channel piece, an upper air channel air outlet is arranged on the upper air channel piece, and the upper air channel air outlet is communicated with the first front air outlet; the middle air duct piece is connected below the upper air duct piece, the second air duct is arranged on the middle air duct piece, the middle air duct piece is provided with a first air outlet, and the first air outlet is communicated with the first side air outlet; the lower air duct piece is connected below the middle air duct piece, the third air duct is arranged below the lower air duct piece, the lower air duct piece is provided with a second air outlet and a lower air outlet, the second air outlet is communicated with the second side air outlet, and the lower air outlet is communicated with the second front air outlet.
According to an embodiment of the present invention, the first opening and closing device, the second opening and closing device, and the third opening and closing device each include: the driving piece is electrically connected with the controller; one end of the transmission component is in transmission connection with the driving piece; and the air deflector is arranged at the corresponding second front air outlet, the first side air outlet or the second side air outlet, and is in transmission connection with the other end of the transmission component.
According to one embodiment of the present invention, the first fan is an axial fan, and the second fan and the third fan are both centrifugal fans.
The control method of the air conditioner indoor unit according to the embodiment of the invention comprises the following steps: operating the indoor unit of the air conditioner; judging the operation mode of the indoor unit of the air conditioner; when the air conditioner indoor unit is confirmed to operate in the refrigeration mode, the second fan and the third fan work, the first opening and closing device opens the first side air outlet, the second opening and closing device opens the second side air outlet, and the third opening and closing device closes the second front air outlet.
According to an embodiment of the present invention, when the operation cooling mode of the indoor unit of the air conditioner is confirmed, the second fan and the third fan operate, the first opening and closing device opens the first side air outlet, the second opening and closing device opens the second side air outlet, and the third opening and closing device closes the second front air outlet, the first fan operates synchronously.
According to one embodiment of the invention, the control method comprises the following steps: when the air conditioner indoor unit is confirmed to operate in the heating mode, the second fan and the third fan work, the first opening and closing device closes the first side air outlet, the second opening and closing device closes the second side air outlet, and the third opening and closing device opens the second front air outlet.
According to an embodiment of the present invention, when the operation of the air conditioner indoor unit in the heating mode is confirmed, the second fan and the third fan operate, the first opening and closing device closes the first side air outlet, the second opening and closing device closes the second side air outlet, and the third opening and closing device opens the second front air outlet, the first fan operates synchronously.
According to one embodiment of the invention, the control method comprises the following steps: detecting a human body within a first range; and after the human body is detected, the third fan stops working.
According to one embodiment of the invention, the control method comprises the following steps: detecting a human body within a second range; after the human body is detected, the second fan and the third fan stop working, and the first fan is started or the first fan keeps being started.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a perspective view of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 2 is an exploded view of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 3 is an exploded view of an indoor unit of an air conditioner according to an embodiment of the present invention;
FIG. 4 is a schematic view of an air duct member;
FIG. 5 is a cross-sectional view of the air duct member;
fig. 6 is a schematic diagram of control relationship of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 7 is a schematic diagram illustrating a control method of an indoor unit of an air conditioner according to an embodiment of the present invention.
Reference numerals:
an air conditioner indoor unit 100;
a housing 10; a first front outlet 11; a first side air outlet 12; a second side air outlet 13; a second front outlet 14;
a heat exchanger 20; a first fan 30; a second fan 40; a third fan 50;
a first opening/closing device 60; a second opening/closing device 70; a third opening and closing device 80;
a controller 90; a first human detector 110; a second human body detector 120;
an air duct member 130; a first air duct 131; a second air duct 132; a third air duct 133; a wind guide hole 134; an upper air duct member 135; an upper duct outlet 136; a middle duct member 137; a first air outlet 138; a lower duct member 139; a second outlet 140; and a lower duct outlet 141.
Detailed Description
Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.
Referring to fig. 1-7, an air conditioner indoor unit 100 according to an embodiment of the present invention will be described, wherein the air conditioner indoor unit 100 may be a cabinet air conditioner indoor unit 100.
As shown in fig. 1 and 6, an air conditioner indoor unit 100 according to an embodiment of the present invention may include: the air conditioner includes a cabinet 10, a heat exchanger 20, a first fan 30, a second fan 40, a third fan 50, a first opening/closing device 60, a second opening/closing device 70, a third opening/closing device 80, and a controller 90. The casing 10 may perform a protection and accommodation function, and the heat exchanger 20, the first fan 30, the second fan 40, the third fan 50, the first opening and closing device 60, the second opening and closing device 70, the third opening and closing device 80, and the controller 90 are disposed on the casing 10.
As shown in fig. 1, the casing 10 is provided with a first front air outlet 11, a first side air outlet 12, a second side air outlet 13 and a second front air outlet 14, the first front air outlet 11 and the second front air outlet 14 are located at the front side of the casing 10, the first front air outlet 11 is located above the second front air outlet 14, the first side air outlet 12 and the second side air outlet 13 are located at the side of the casing 10, and the first side air outlet 12 is located above the second side air outlet 13. That is to say, the casing 10 is provided with a plurality of air outlets, the front side of the casing 10 is provided with a first front air outlet 11 and a second front air outlet 14, the left side and/or the right side of the casing 10 are provided with a first side air outlet 12 and a second side air outlet 13, so the air conditioner indoor unit 100 can have a front side air outlet function and a side direction air outlet function, the side direction air outlet can play a role of preventing direct blowing, and through the arrangement of the first front air outlet 11 and the second front air outlet 14, the upper air outlet or the lower air outlet can be selected, thereby the air supply form of the air conditioner indoor unit 100 can be enriched, and the current refrigeration mode or heating mode can be better matched.
The heat exchanger 20 is disposed in the cabinet 10, the heat exchanger 20 can selectively serve as an evaporator and a condenser according to a mode of the air conditioner indoor unit 100, and the air passing through the heat exchanger 20 can exchange heat with the heat exchanger 20, and then is discharged from a corresponding air outlet to be delivered to an indoor environment.
As shown in fig. 3 and 4, the first fan 30 corresponds to the first front air outlet 11, and it can be understood that, when the first fan 30 operates, the first fan 30 can send the air after heat exchange to the indoor environment from the first front air outlet 11, and then change the indoor temperature. The second fan 40 is located below the first fan 30, and the second fan 40 corresponds to the first side air outlet 12. It can be understood that, when the second fan 40 is operated, the second fan 40 can send the heat-exchanged air from the first side air outlet 12 to the indoor environment, and then change the indoor environment temperature. The third fan 50 is located below the second fan 40, and the third fan 50 corresponds to the second side air outlet 13 and the second front air outlet 14, respectively. It is understood that, when the third fan 50 is in operation, the third fan 50 can send the heat-exchanged air to the indoor environment from the second side air outlet 13 and the second front air outlet 14, and then change the indoor temperature.
The first fan 30, the second fan 40 and the third fan 50 can independently select the working state, so that the air supply form of the air conditioner indoor unit 100 can be enriched. For example, the first fan 30 and the second fan 40 may be operated in conjunction, as another example, the first fan 30, the second fan 40, and the third fan 50 may be operated in conjunction, and as yet another example, the second fan 40 and the third fan 50 may be operated in conjunction.
The first opening/closing device 60 is disposed at the first side outlet 12, the second opening/closing device 70 is disposed at the second side outlet 13, and the third opening/closing device 80 is disposed at the second front outlet 14. That is, by providing the first opening/closing device 60, the second opening/closing device 70, and the third opening/closing device 80, the opening/closing of the first side outlet 12, the second side outlet 13, and the second front outlet 14 can be controlled, and thus, various air blowing modes can be formed. For example, the first opening and closing device 60 may open the first side outlet 12, the second opening and closing device 70 may open the second side outlet 13, and the third opening and closing device 80 may close the second front outlet 14, so as to form a form that lateral air is not blown out from the bottom, further, for example, the first opening and closing device 60 may close the first side outlet 12, the second opening and closing device 70 may close the second side outlet 13, and the third opening and closing device 80 may open the second front outlet 14, so as to form a form that lateral air is not blown out from the bottom, further, for example, the first opening and closing device 60 may open the first side outlet 12, the second opening and closing device 70 may open the second side outlet 13, and the third opening and closing device 80 may open the second front outlet 14, so as to form a form that lateral air is blown out from the bottom.
As shown in fig. 6, the controller 90 is respectively connected to the first fan 30, the second fan 40, the third fan 50, the first opening/closing device 60, the second opening/closing device 70 and the third opening/closing device 80, when the indoor unit 100 of the air conditioner operates in the cooling mode, the controller 90 controls the second fan 40 and the third fan 50 to operate, controls the first opening/closing device 60 to open the first side air outlet 12, controls the second opening/closing device 70 to open the second side air outlet 13, and controls the third opening/closing device 80 to close the second front air outlet 14. That is to say, when air conditioner indoor unit 100 operation refrigeration mode, first side air outlet 12 and second side air outlet 13 are in the open mode, and air outlet 14 is in the closed condition before the second, can avoid by air outlet 14 air supply to indoor preceding downside before the second like this to can make the wind after the heat transfer from both sides air supply, form the form of side direction formula air supply of embracing, can effectively avoid directly blowing like this, can promote user's travelling comfort. In this process, the first fans 30 may also work in cooperation to form a front upper side and both side blowing mode, and of course, the first fans 30 may also stop working. The operation mode of the indoor unit 100 of the air conditioner can be selected by a user through a button on the casing 10, or can be selected by a user through a remote controller.
Therefore, according to the air conditioner indoor unit 100 of the embodiment of the present invention, by providing the first opening/closing device 60, the second opening/closing device 70, the third opening/closing device 80, and the controller 90, the opening/closing of the corresponding air outlet can be selected according to the operation mode, so that an air supply form meeting the user requirements is formed, and the comfort of the user can be improved.
According to an alternative embodiment of the present invention, when the air conditioner indoor unit 100 operates in the heating mode, the controller 90 controls the second fan 40 and the third fan 50 to operate, controls the first opening and closing device 60 to close the first side air outlet 12, controls the second opening and closing device 70 to close the second side air outlet 13, and controls the third opening and closing device 80 to open the second front air outlet 14. That is, when the air conditioner indoor unit 100 operates in the heating mode, the first side air outlet 12 and the second side air outlet 13 are in the closed state, and the second front air outlet 14 is in the open state, so that air is prevented from being blown from the first side air outlet 12 and the second side air outlet 13 to both sides of the room, and thus, air after heat exchange is blown from the front lower side, and a front-down direct blowing air blowing form is formed, so that air can be blown from the front lower side, and therefore, the lower half of the user can be warmed, and the comfort of the user can be improved. In this process, the first fans 30 may also cooperate to form a front upper side and a front lower side cooperatively blowing air, and of course, the first fans 30 may also stop operating. The operation mode of the indoor unit 100 may be selected by a user through a button on the casing 10 or selected by a user through a remote controller.
In some embodiments of the present invention, the air conditioner indoor unit 100 further includes: the first human body detector 110, the first human body detector 110 is disposed in the housing 10, and the first human body detector 110 is connected to the controller 90, when the air conditioner indoor unit 100 operates in the cooling mode and the first human body detector 110 detects a human body within a first range, the controller 90 controls the third fan 50 to turn off. That is to say, the air conditioner indoor unit 100 may further be correspondingly provided with the first human body detector 110, which may detect whether there is a human body in the first range through the first human body detector 110, and if a human body is detected, the controller 90 controls the third fan 50 to be turned off, and the second fan 40 continues to operate, so that the form of lateral encircling air supply is still maintained, but the air supply in the lower lateral direction may be reduced, so as to avoid a user with a short direct-blowing distance, for example, a child or an adult who maintains a sitting posture, and thus, the comfort of the user may be improved. The first height may correspond to the height of the second side outlet 13.
Further, the air conditioner indoor unit 100 further includes: the second human body detector 120 and the second human body detector 120 are disposed on the housing 10, and the second human body detector 120 is connected to the controller 90, when the air conditioner indoor unit 100 operates in the cooling mode and the second human body detector 120 detects a human body in a second range, the controller 90 controls the second fan 40 and the third fan 50 to be turned off, the first fan 30 is turned on or kept turned on, and the height of the second range is greater than the height of the first range. That is to say, the air conditioner indoor unit 100 may further be correspondingly provided with a second human body detector 120, which may detect whether there is a human body in the second range through the second human body detector 120, if a human body is detected, the second fan 40 and the third fan 50 are controlled to be turned off through the controller 90, if the first fan 30 is in a turned-off state, the first fan 30 is turned on, and if the first fan 30 is in a turned-on state, the turned-on state is maintained, so that the second human body detector 120 may further improve the comfort of the user. The second human body detector 120 and the first human body detector 110 may be infrared sensors.
According to an embodiment of the present invention, as shown in fig. 2 to 5, the air conditioner indoor unit 100 further includes: the air duct member 130, the air duct member 130 includes: the air conditioner comprises a first air duct 131, a second air duct 132 and a third air duct 133, wherein the first air duct 131 is communicated with a first front air outlet 11, the second air duct 132 is communicated with a first side air outlet 12, the third air duct 133 is respectively communicated with a second side air outlet 13 and a second front air outlet 14, a first fan 30 is arranged in the first air duct 131, a second fan 40 is arranged in the second air duct 132, and a third fan 50 is arranged in the third air duct 133. It can be understood that the air duct 130 may respectively define a first air duct 131, a second air duct 132 and a third air duct 133, so as to avoid mutual interference of the first fan 30, the second fan 40 and the third fan 50, and also solve the installation problem of the first fan 30, the second fan 40 and the third fan 50, and may enable the air sent by the first fan 30 to blow towards the first front air outlet 11, the air sent by the second fan 40 to blow towards the first side air outlet 12, and the air sent by the third fan 50 to blow towards the second front air outlet 14 and the second side air outlet 13. The first air duct 131, the second air duct 132, and the third air duct 133 are sequentially arranged in the vertical direction.
Optionally, as shown in fig. 3, the air duct 130 is provided with an air guiding hole 134 communicating the first air duct 131 and the second air duct 132. The air guiding hole 134 can send the air in the second air duct 132 into the first air duct 131, and then the air is sent out through the first front air outlet 11, so that the effect of supplementing the air volume of the first air duct 131 can be achieved, and the air supply effect of the first front air outlet 11 can be improved. The air guide holes 134 may be formed in a circular shape or a rectangular shape. The air guiding hole 134 may be disposed at the center below the first air duct 131, or may be disposed below the first air duct 131 and close to the right.
Specifically, as shown in fig. 4 and 5, the air duct member 130 includes: the air conditioner comprises an upper air duct piece 135, an upper air duct piece 137 and a lower air duct piece 139, wherein a first air duct 131 is arranged on the upper air duct piece 135, the upper air duct piece 135 is provided with an upper air duct air outlet 136, the upper air duct air outlet 136 is communicated with a first front air outlet 11, the middle air duct piece 137 is connected below the upper air duct piece 135, a second air duct 132 is arranged on the middle air duct piece 137, the middle air duct piece 137 is provided with a first air outlet 138, the first air outlet 138 is communicated with a first side air outlet 12, the lower air duct piece 139 is connected below the middle air duct piece 137, a third air duct 133 is arranged on the lower air duct piece 139, the lower air duct piece 139 is provided with a second air outlet 140 and a lower air duct air outlet 141, the second air outlet 140 is communicated with a second side air outlet 13, and the lower air duct air outlet 141 is communicated. That is, the air duct 130 may be composed of an upper air duct 135, an intermediate air duct 137, and a lower air duct 139, and each air duct 130 may form a respective air duct and a respective fan is installed correspondingly. The air duct piece 130 is simple and stable in structure and can be communicated with the corresponding air outlet.
According to an embodiment of the present invention, the first opening and closing means 60, the second opening and closing means 70, and the third opening and closing means 80 each include: the air guide plate is arranged at the corresponding second front air outlet 14, the corresponding first side air outlet 12 or the corresponding second side air outlet 13, and the air guide plate is in transmission connection with the other end of the transmission component. The driving piece drives the air deflector to move through the transmission component, so that the air outlet can be opened and closed. The drive is electrically connected to the controller 90 so that the controller 90 can develop a corresponding control strategy and be implemented at the air deflection system. The air deflector can be one or more.
The first opening/closing device 60 and the second opening/closing device 70 may be configured as one opening/closing device, that is, the first opening/closing device 60 and the second opening/closing device 70 are formed as an integral structure, and then the air deflector of the opening/closing device may synchronously open and close the first side outlet 12 and the second side outlet 13. Alternatively, the air deflector of the first opening/closing device 60 is extended, and the extended portion is used as the second opening/closing device 70, and then driven by the driving member and the transmission assembly of the first opening/closing device 60.
Alternatively, as shown in fig. 3, the first fan 30 may be an axial fan, and the second fan 40 and the third fan 50 may be centrifugal fans. The axial flow fan can effectively supply air to the first front air outlet 11, the two centrifugal fans can effectively supply air to the first side air outlet 12 and the second side air outlet 13 on the two sides, and supply air to the second front air outlet 14 on the lower side forward. The air supply distance of the axial flow fan is short, the air noise is small, the air supply distance of the centrifugal fan is long, the air supply distance can be complemented through the combination of the axial flow fan and the two centrifugal fans, the air noise can be balanced, and therefore the comfort of a user can be improved.
As shown in fig. 7, the method for controlling the indoor unit 100 of the air conditioner according to the embodiment of the present invention includes the following steps:
s1, operating the air conditioner indoor unit 100, i.e. turning on the air conditioner indoor unit 100, so that the air conditioner indoor unit 100 is in an operating state.
S2, determining the operation mode of the indoor unit 100, the controller 90 may determine the operation mode of the indoor unit 100 according to the received instruction, for example, when the user selects the cooling mode via the remote controller, the controller 90 receives the instruction and determines that the indoor unit 100 operates the cooling mode, and for example, when the user selects the heating mode via the remote controller, the controller 90 receives the instruction and determines that the indoor unit 100 operates the heating mode.
S3, when the cooling mode of the indoor unit 100 of the air conditioner is confirmed, the second fan 40 and the third fan 50 operate, the first opening and closing device 60 opens the first side air outlet 12, the second opening and closing device 70 opens the second side air outlet 13, and the third opening and closing device 80 closes the second front air outlet 14. From this, first side air outlet 12 and second side air outlet 13 are in the open mode, can form the form of side direction formula air supply of encircleing like this to can effectively avoid directly blowing, because second fan 40 and third fan 50 collaborative work can effectively promote the air supply volume, can fully satisfy customer's demand moreover.
Wherein the first fan 30 is operated synchronously. That is, the first front air outlet 11 may also supply air forwards, wherein a fourth opening and closing device may be disposed at the first front air outlet 11, and the fourth opening and closing device may adopt a structural form substantially the same as that of the first opening and closing device 60. Opening of first fan 30 will further promote the air supply volume, can make the refrigeration mode have the ability of supplying air forward moreover, and fourth closing device can be towards the upper front wind-guiding, can avoid directly blowing the user like this better.
After the operation of step S3, the control method further includes the steps of:
s4, a human body within the first range is detected, the first human body detector 110 is turned on, and the detection result is transmitted to the controller 90, and the controller 90 determines whether or not a human body is present.
And S5, stopping the operation of the third fan 50 after the human body is detected. That is, when it is determined that the human body is in the first range, the controller 90 controls the third blower 50 to stop working, and at this time, the second blower 40 is kept on, so that the amount of air supplied to the lower part can be reduced, and a child or a seated adult can be prevented from blowing straight. Of course, the third fan 50 remains on when no human body is detected.
And after the operation of step S3, the control method further includes the steps of:
s6, detecting the human body within the second range, turning on the second human body detector 120, which can transmit the detection result to the controller 90, and determining whether there is a human body by the controller 90.
And S7, after the human body is detected, stopping the operation of the second fan 40 and the third fan 50, and starting the first fan 30 or keeping the first fan 30 started. That is, when it is determined that the human body exists within the second range, the controller 90 controls the second fan 40 and the third fan 50 to stop working, so that the direct blowing of the user can be avoided, and the first fan 30 is turned on or kept turned on, so that the cooling mode can be operated. Of course, when no human body is detected, the second fan 40 and the third fan 50 are kept turned on.
It should be noted that the first human body detector 110 and the second human body detector 120 may be applied to the same air conditioner indoor unit 100, wherein the steps S4 and S6 may be performed synchronously, and of course, the two steps may be alternatively performed.
After the operation of step S2, the control method further includes the steps of:
s8, when the heating mode of the indoor unit 100 of the air conditioner is confirmed, the second fan 40 and the third fan 50 operate, the first opening and closing device 60 closes the first side air outlet 12, the second opening and closing device 70 closes the second side air outlet 13, and the third opening and closing device 80 opens the second front air outlet 14. Therefore, the first side air outlet 12 and the second side air outlet 13 are in the closed state, and the second front air outlet 14 is in the open state, so that a front side air supply form can be formed, and therefore, the air can be effectively distributed towards the front lower part, and the lower body of a user can be warmed. The first fan 30 may also work synchronously, and may form a front side up-down blowing mode. The fourth closing device can guide wind to the front lower part.
If the cooling mode is judged to be operated, the step S3 is operated, and if the heating mode is judged to be operated, the step S8 is operated.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (15)
1. An indoor unit for an air conditioner, comprising:
the air conditioner comprises a machine shell, a first air outlet, a first side air outlet, a second side air outlet and a second front air outlet, wherein the machine shell is provided with the first front air outlet, the first side air outlet, the second side air outlet and the second front air outlet, the first front air outlet and the second front air outlet are positioned on the front side of the machine shell, the first front air outlet is positioned above the second front air outlet, the first side air outlet and the second side air outlet are positioned on the side surface of the machine shell, and the first side air outlet is arranged above the second side air outlet;
the heat exchanger is arranged in the shell;
the first fan is arranged in the shell and corresponds to the first front air outlet;
the second fan is arranged in the shell and is positioned below the first fan, and the second fan corresponds to the first side air outlet;
the third fan is arranged in the shell and is positioned below the second fan, and the third fan corresponds to the second side air outlet and the second front air outlet respectively;
the first opening and closing device is arranged at the first side air outlet;
the second opening and closing device is arranged at the second side air outlet;
the third opening and closing device is arranged at the second front air outlet;
the controller is arranged in the shell and is respectively connected with the first fan, the second fan, the third fan, the first opening and closing device, the second opening and closing device and the third opening and closing device, when the air conditioner indoor unit operates in a refrigeration mode, the controller controls the second fan and the third fan to work, controls the first opening and closing device to open the first side air outlet, controls the second opening and closing device to open the second side air outlet and controls the third opening and closing device to close the second front air outlet.
2. The indoor unit of claim 1, wherein when the indoor unit operates in the heating mode, the controller controls the second fan and the third fan to operate, controls the first opening and closing device to close the first side air outlet, controls the second opening and closing device to close the second side air outlet, and controls the third opening and closing device to open the second front air outlet.
3. An indoor unit for an air conditioner according to claim 1, further comprising: the first human body detector is arranged on the shell and connected with the controller, and when the indoor unit of the air conditioner operates in a refrigeration mode and the first human body detector detects a human body within a first range, the controller controls the third fan to be turned off.
4. An indoor unit for an air conditioner according to claim 3, further comprising: the second human body detector is arranged on the shell and connected with the controller, when the air conditioner indoor unit operates in a refrigeration mode and the second human body detector detects a human body in a second range, the controller controls the second fan and the third fan to be turned off, the first fan is turned on or kept on, and the height of the second range is larger than that of the first range.
5. An indoor unit for an air conditioner according to claim 1, further comprising: an air duct piece, the air duct piece includes: the air conditioner comprises a first air channel, a second air channel and a third air channel, wherein the first air channel is communicated with the first front air outlet, the second air channel is communicated with the first side air outlet, the third air channel is communicated with the second side air outlet and the second front air outlet respectively, the first fan is arranged in the first air channel, the second fan is arranged in the second air channel, and the third fan is arranged in the third air channel.
6. An indoor unit for an air conditioner according to claim 5, wherein the air duct member is provided with an air guide hole communicating the first air duct and the second air duct.
7. An indoor unit for an air conditioner according to claim 5, wherein the air duct member comprises:
the first air channel is arranged on the upper air channel piece, an upper air channel air outlet is arranged on the upper air channel piece, and the upper air channel air outlet is communicated with the first front air outlet;
the middle air duct piece is connected below the upper air duct piece, the second air duct is arranged on the middle air duct piece, the middle air duct piece is provided with a first air outlet, and the first air outlet is communicated with the first side air outlet;
the lower air duct piece is connected below the middle air duct piece, the third air duct is arranged below the lower air duct piece, the lower air duct piece is provided with a second air outlet and a lower air outlet, the second air outlet is communicated with the second side air outlet, and the lower air outlet is communicated with the second front air outlet.
8. An indoor unit for an air conditioner according to claim 1, wherein each of the first opening/closing device, the second opening/closing device and the third opening/closing device includes:
the driving piece is electrically connected with the controller;
one end of the transmission component is in transmission connection with the driving piece;
and the air deflector is arranged at the corresponding second front air outlet, the first side air outlet or the second side air outlet, and is in transmission connection with the other end of the transmission component.
9. An indoor unit for an air conditioner according to claim 1, wherein the first fan is an axial flow fan, and the second fan and the third fan are both centrifugal fans.
10. A method for controlling an indoor unit of an air conditioner according to any one of claims 1 to 9, comprising the steps of:
operating the indoor unit of the air conditioner;
judging the operation mode of the indoor unit of the air conditioner;
when the air conditioner indoor unit is confirmed to operate in the refrigeration mode, the second fan and the third fan work, the first opening and closing device opens the first side air outlet, the second opening and closing device opens the second side air outlet, and the third opening and closing device closes the second front air outlet.
11. The method as claimed in claim 10, wherein in the step of operating the second fan and the third fan, the first opening and closing device opens the first side outlet, the second opening and closing device opens the second side outlet, and the third opening and closing device closes the second front outlet when the operation cooling mode of the indoor unit is confirmed,
the first fan works synchronously.
12. The control method of an indoor unit of an air conditioner according to claim 10, comprising the steps of:
when the air conditioner indoor unit is confirmed to operate in the heating mode, the second fan and the third fan work, the first opening and closing device closes the first side air outlet, the second opening and closing device closes the second side air outlet, and the third opening and closing device opens the second front air outlet.
13. The method as claimed in claim 12, wherein in the step of confirming that the air conditioner indoor unit operates in the heating mode, the second fan and the third fan operate, the first opening and closing device closes the first side air outlet, the second opening and closing device closes the second side air outlet, and the third opening and closing device opens the second front air outlet,
the first fan works synchronously.
14. The control method of an indoor unit of an air conditioner according to claim 10, comprising the steps of:
detecting a human body within a first range;
and after the human body is detected, the third fan stops working.
15. The control method of an indoor unit of an air conditioner according to claim 10, comprising the steps of:
detecting a human body within a second range;
after the human body is detected, the second fan and the third fan stop working, and the first fan is started or the first fan keeps being started.
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| CN202110722682.7A CN113405160A (en) | 2021-06-28 | 2021-06-28 | Air conditioner indoor unit and control method thereof |
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| CN202110722682.7A CN113405160A (en) | 2021-06-28 | 2021-06-28 | Air conditioner indoor unit and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115899837A (en) * | 2022-12-01 | 2023-04-04 | 珠海格力电器股份有限公司 | Control method and device of courtyard type air conditioner and courtyard type air conditioner |
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Address after: 266100 No. 151, Zhuzhou Road, Laoshan District, Shandong, Qingdao Applicant after: Hisense Air Conditioning Co.,Ltd. Address before: 266100 No. 151, Zhuzhou Road, Laoshan District, Shandong, Qingdao Applicant before: HISENSE (SHANDONG) AIR-CONDITIONING Co.,Ltd. |
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Application publication date: 20210917 |
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