CN114811747A - Air conditioner indoor unit and control method - Google Patents
Air conditioner indoor unit and control method Download PDFInfo
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- CN114811747A CN114811747A CN202210416174.0A CN202210416174A CN114811747A CN 114811747 A CN114811747 A CN 114811747A CN 202210416174 A CN202210416174 A CN 202210416174A CN 114811747 A CN114811747 A CN 114811747A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000004378 air conditioning Methods 0.000 claims abstract description 35
- 238000001914 filtration Methods 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims description 37
- 230000009471 action Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 description 27
- 230000007246 mechanism Effects 0.000 description 13
- 238000009423 ventilation Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010586 diagram Methods 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
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
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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
- F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
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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
- F24F11/62—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
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
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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
- F24F2110/50—Air quality properties
- F24F2110/64—Airborne particle content
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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 Conditioning Control Device (AREA)
Abstract
The invention provides an air-conditioning indoor unit and a control method, wherein the air-conditioning indoor unit comprises: the indoor unit comprises an indoor unit shell, a fan and a fan, wherein the indoor unit shell is provided with an indoor air inlet, an indoor air outlet and a fresh air inlet which are arranged at intervals; the detection piece is arranged at the fresh air inlet so as to detect the air quality of fresh air introduced from the fresh air inlet through the detection piece; the fresh air filtering part is movably arranged at the fresh air inlet so as to move to a filtering position relative to the fresh air inlet or an avoiding position for avoiding the fresh air inlet; the control piece, the detection piece and the new trend filter piece all are connected with the control piece to make the control piece move to filtering position or dodge the position according to the signal drive new trend filter piece that the detection piece detected. Through the technical scheme provided by the invention, the technical problem of poor air quality of introduced fresh air in the prior art can be solved.
Description
Technical Field
The invention relates to the technical field of air conditioner indoor units, in particular to an air conditioner indoor unit and a control method.
Background
At present, along with the increase of the service time of an air conditioner, the filter screen of the air conditioner inevitably has the condition of filth blockage due to dust accumulation, and when the filter screen of the air conditioner is filth blockage, the ventilation of the air conditioner is unsmooth, the air volume of the air conditioner is reduced, the heat exchange performance of the air conditioner is reduced, and the like, so that the use comfort of a user is influenced. And with the increase of production level, people have stronger and stronger demand for indoor healthy air. Therefore, people often use a fresh air system to replace indoor air so as to improve the indoor air quality.
However, there is also the possibility of solid contaminants being out of specification outdoors, especially in haze or dusty weather. Therefore, the traditional air-conditioning indoor unit with the fresh air function usually adopts a high-efficiency air filter element to filter solid pollutants in outdoor air, but the air intake of the air conditioner can be greatly reduced.
Disclosure of Invention
The invention mainly aims to provide an air conditioner indoor unit and a control method, and aims to solve the technical problem that the air quality of introduced fresh air is poor in the prior art.
According to an aspect of the present invention, there is provided an air conditioning indoor unit, including: the indoor unit comprises an indoor unit shell, a fan and a fan, wherein the indoor unit shell is provided with an indoor air inlet, an indoor air outlet and a fresh air inlet which are arranged at intervals; the detection piece is arranged at the fresh air inlet so as to detect the air quality of fresh air introduced from the fresh air inlet through the detection piece; the fresh air filtering part is movably arranged at the fresh air inlet so as to move to a filtering position opposite to the fresh air inlet or an avoiding position for avoiding the fresh air inlet; the control piece, detecting element and fresh air filter piece all are connected with the control piece to make the signal drive fresh air filter piece that the control piece detected move to filtering position or dodge the position according to the detecting element.
Furthermore, the indoor unit casing includes the main casing body and the new trend shell of admitting air of being connected with the main casing body, is provided with the inserting groove on the new trend shell of admitting air, and the new trend filters the movably inserting of piece and establishes in inserting groove department.
Further, the air conditioning indoor unit includes: drive structure is connected with the control, and drive structure and fresh air filter piece drive connection are in order to drive the motion of fresh air filter piece.
Further, the driving structure includes: a driving gear rotatably provided; the drive rack meshes with drive gear, and the drive rack is installed on fresh air filter spare.
Further, the air conditioning indoor unit further includes: the plugging structure, at least part movably sets up in indoor air inlet department to make at least part motion of plugging structure to the shutoff position that is used for the indoor air intake of shutoff or be used for dodging the air inlet position of indoor air intake.
Further, the blocking structure comprises: the first rotating shaft and the second rotating shaft are both rotatably arranged in the indoor unit shell, and are respectively positioned at two sides of the indoor air inlet; the plugging piece is made of a flexible material, and two ends of the plugging piece are connected with the first rotating shaft and the second rotating shaft respectively so as to be wound on the first rotating shaft or the second rotating shaft under the rotating action of the first rotating shaft and the second rotating shaft.
Further, the air conditioning indoor unit further includes: the fresh air fan is arranged at the fresh air inlet and has a first rotation mode and a second rotation mode, and the rotation directions of the first rotation mode and the second rotation mode are opposite; when the fresh air fan is in a first rotation mode, introducing outdoor fresh air into the fresh air fan; when the fresh air fan is in the second rotation mode, the fresh air fan discharges the dirty air in the indoor unit shell.
According to another aspect of the present invention, there is provided a control method for controlling the air conditioning indoor unit, the control method including: acquiring an air quality signal and an air quality standard signal at a fresh air inlet of an indoor unit of an air conditioner, and comparing an air quality value corresponding to the air quality signal at the fresh air inlet with an air quality standard value corresponding to the air quality standard signal; and controlling the fresh air filter of the air-conditioning indoor unit according to the comparison result of the air quality value and the air quality standard value so as to enable the fresh air filter to move to a filtering position or an avoiding position.
Further, the air mass value is a detection value corresponding to PM2.5, and the control method comprises the following steps: when the detected value corresponding to the PM2.5 is smaller than the standard value corresponding to the normal PM2.5, the fresh air filter is controlled to move to an avoidance position; when the detected value corresponding to the PM2.5 is larger than or equal to the standard value corresponding to the normal PM2.5, the fresh air filter is controlled to move to the filtering position.
Further, an air-conditioning indoor unit is the air-conditioning indoor unit provided above, and the control method includes: when the fresh air filter member is controlled to move to the avoiding position, a fresh air fan of an indoor unit of the air conditioner is controlled to rotate in a first rotating mode, so that fresh air enters the fresh air inlet under the action of the fresh air fan; and/or, when the fresh air filtering piece is controlled to move to the filtering position, the fresh air fan is controlled to rotate in a first rotation mode so as to enable fresh air to enter the fresh air inlet under the action of the fresh air fan.
Furthermore, the indoor unit of the air conditioner also comprises an air deflector arranged at an indoor air outlet of the indoor unit of the air conditioner; the air-conditioning indoor unit also comprises a heat exchange fan arranged in the indoor unit shell, and the heat exchange fan is provided with a third rotation mode for inducing air into the indoor unit shell and a fourth rotation mode for discharging airflow in the indoor unit shell; the control method further comprises the following steps: controlling at least part of a plugging structure of an indoor unit of the air conditioner to move to a position for plugging an indoor air inlet, and controlling an air deflector to move to a position for plugging an indoor air outlet; and controlling the heat exchange fan to be in a fourth rotation mode so as to blow out dirty air in the indoor unit shell under the action of air flow in the indoor unit shell.
Further, when the air-conditioning indoor unit is the air-conditioning indoor unit provided above and the heat exchange fan is controlled to be in the fourth rotation mode, the control method further includes: and controlling the fresh air filtering member to move to an avoiding position and controlling a fresh air fan of the indoor unit of the air conditioner to rotate in a second rotation mode.
By applying the technical scheme of the invention, when a signal with poor air quality is detected, the fresh air filter member can be conveniently driven to move to the filtering position, so that fresh air can be conveniently filtered, and the fresh air quality is improved; when detecting the better signal of air quality, drive fresh air filter piece and move to dodging the position to in providing sufficient fresh air amount of wind, be convenient for improve high-quality new trend indoor fast, and then improve user's comfort in use.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 illustrates an exploded view of an air conditioning indoor unit according to an embodiment of the present invention;
fig. 2 illustrates a sectional view of an air conditioning indoor unit according to an embodiment of the present invention;
fig. 3 illustrates an axial view of an air conditioning indoor unit provided according to an embodiment of the present invention;
FIG. 4 illustrates a schematic structural view at a fresh air filter provided in accordance with an embodiment of the present invention;
FIG. 5 shows an enlarged partial schematic view of FIG. 4;
fig. 6 is a schematic structural view of an indoor unit of an air conditioner according to an embodiment of the present invention;
FIG. 7 shows a schematic structural diagram of a blocking structure provided in accordance with an embodiment of the invention;
FIG. 8 shows a flow chart of a control method provided according to an embodiment of the invention;
fig. 9 shows a dust removal flowchart in the control method provided according to the embodiment of the invention.
Wherein the figures include the following reference numerals:
10. an indoor unit casing; 11. an indoor air inlet; 12. an indoor air outlet; 13. a fresh air inlet; 14. a main housing; 15. a fresh air inlet shell; 20. a fresh air filter element; 30. a drive structure; 31. a drive gear; 32. a drive rack; 40. a blocking structure; 41. a first rotating shaft; 42. a second rotating shaft; 43. a blocking member; 44. a drive rope; 50. a fresh air fan; 60. a cross-flow fan; 70. an air deflector; 80. an air inlet filter screen.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 7, a first embodiment of the present invention provides an indoor unit of an air conditioner, which includes an indoor unit casing 10, a detection component, a fresh air filter component 20, and a control component, where the indoor unit casing 10 has an indoor air inlet 11, an indoor air outlet 12, and a fresh air inlet 13 arranged at intervals. The detection piece is arranged at the fresh air inlet 13 to detect the air quality of fresh air introduced by the fresh air inlet 13 through the detection piece. The fresh air filter member 20 is movably disposed at the fresh air inlet 13 to move to a filtering position opposite to the fresh air inlet 13 or an avoiding position avoiding the fresh air inlet 13. The detecting part and the fresh air filtering part 20 are both connected with the control part, so that the control part drives the fresh air filtering part 20 to move to a filtering position or an avoiding position according to a signal detected by the detecting part.
By adopting the technical scheme provided by the embodiment, when a signal with poor air quality is detected, the fresh air filter member 20 can be driven to move to the filtering position, so that fresh air can be filtered, and the fresh air quality is improved; when detecting the better signal of air quality, drive fresh air filter 20 and move to dodging the position to in providing sufficient fresh air amount of wind, be convenient for improve high-quality new trend indoor fast, and then improve user's comfort in use.
In this embodiment, the indoor unit casing 10 includes a main casing 14 and a fresh air inlet casing 15 connected to the main casing 14, the fresh air inlet casing 15 is provided with an insertion groove, and the fresh air filter 20 is movably inserted into the insertion groove. Adopt such structure setting, can be convenient for guide the motion of fresh air filter 20 better to make fresh air filter 20 move to filtering position or dodge position department.
Specifically, the air conditioning indoor unit in this embodiment includes drive structure 30, and drive structure 30 is connected with the control piece, and drive structure 30 is connected with the drive of fresh air filter 20 so as to drive the motion of fresh air filter 20. By adopting the structure, the change of the position of the fresh air filter member 20 can be conveniently realized by controlling the control member to the driving structure 30, and the automation degree is improved.
In the present embodiment, the driving structure 30 includes a driving gear 31 and a driving rack 32, the driving gear 31 is rotatably disposed; the driving rack 32 is engaged with the driving gear 31, and the driving rack 32 is installed on the fresh air filter 20. By adopting the structure, the structure is simple, the manufacture and the realization are convenient, the connection is reliable, and the fresh air filter member 20 can be conveniently and stably moved to the filtering position or the avoiding position. Preferably, the drive rack 32 and the fresh air filter 20 may be provided as an integral structure.
Specifically, the air conditioning indoor unit in this embodiment further includes a blocking structure 40, and at least a portion of the blocking structure 40 is movably disposed at the indoor air inlet 11, so that at least a portion of the blocking structure 40 moves to a blocking position for blocking the indoor air inlet 11 or an air inlet position for avoiding the indoor air inlet 11. By adopting the structure, the indoor air inlet 11 can be conveniently blocked by the blocking structure 40, so that external dust is prevented from entering the indoor unit casing 10 through the air inlet, and parts in the indoor unit casing 10 are conveniently protected. Specifically, when the air conditioning indoor unit is stopped, at least part of the blocking structure 40 may be moved to the blocking position to protect the air inlet by the blocking structure 40.
In the present embodiment, the blocking structure 40 includes a first rotating shaft 41, a second rotating shaft 42 and a blocking member 43, the first rotating shaft 41 and the second rotating shaft 42 are both rotatably disposed in the indoor unit casing 10, and the first rotating shaft 41 and the second rotating shaft 42 are respectively located at two sides of the indoor air inlet 11. And a blocking piece 43, wherein the blocking piece 43 is made of a flexible material, and both ends of the blocking piece 43 are respectively connected with the first rotating shaft 41 and the second rotating shaft 42 so that the blocking piece 43 can be rolled on the first rotating shaft 41 or the second rotating shaft 42 under the rotating action of the first rotating shaft 41 and the second rotating shaft 42. With such a structural arrangement, it is possible to facilitate the movement of the blocking piece 43 to the blocking position or the air intake position. Specifically, the plugging member 43 may plug a curtain cloth or a plugging sheet or a soft PVC sheet to perform plugging by the plugging member 43.
In this embodiment, the blocking structure 40 further comprises a driving rope 44, one end of the driving rope 44 is connected with the first rotating shaft 41 or the second rotating shaft 42, and the other end of the driving rope is connected with the blocking piece 43. The first rotating shaft 41 and/or the second rotating shaft 42 are/is a driving shaft to drive the blocking piece 43 to be opened to the blocking position or to be wound to the air intake position.
Specifically, the indoor unit of an air conditioner in this embodiment further includes a fresh air blower 50, the fresh air blower 50 is disposed at the fresh air inlet 13, the fresh air blower 50 has a first rotation mode and a second rotation mode, and the rotation directions of the first rotation mode and the second rotation mode are opposite. When the fresh air fan 50 is in the first rotation mode, outdoor fresh air is introduced into the fresh air fan 50, so that the indoor air quality is improved; when the fresh air fan 50 is in the second rotation mode, the fresh air fan 50 discharges the dirty air in the indoor unit casing 10, so that dust removal is facilitated. The fresh air fan 50 in this embodiment may be an axial flow fan.
In the invention, the fresh air filter member 20 can be a movable fresh air filter screen, and the system detects the PM2.5 value outside the room so as to control the opening and closing of the fresh air filter screen and improve the quality of fresh air blown into the room; the indoor unit is provided with a fully closed air inlet to prevent dust from entering the air conditioner when the air conditioner is stopped; the automatic dust removal device has an automatic dust removal function, the cross flow fan 60 rotates reversely to blow dust on the filter screen, the filter screen of the fresh air system is opened, and meanwhile, the fan of the fresh air system rotates reversely to blow the dust out of a room. The utility model provides a movable filter screen and new trend system cooperation, through opening and shutting that detects outdoor PM2.5 value and control the filter screen, filter the solid pollutant in the outdoor air, improve the air quality of inputing to indoor. The dust removal device is provided with a movement mechanism (corresponding to the blocking structure 40) with a fully closed air inlet, and achieves the dust removal effect through the reverse rotation of the cross flow fan 60 and the fan of the fresh air system.
In the invention, the indoor unit of the air conditioner has a fresh air function, the fresh air system is matched with the movable filter screen, and the system can detect the outdoor PM2.5 value so as to control the opening and closing of the filter screen and improve the quality of fresh air blown into the room; the air conditioner has a dustproof function, and dust can be prevented from entering the air conditioner when the air conditioner is shut down through the fully-closed air inlet mechanism (corresponding to the blocking structure 40); the automatic dust removal function is realized, the air deflector 70 and the air inlet mechanism are closed, meanwhile, the cross flow fan 60 (corresponding to the heat exchange fan) rotates reversely to blow up dust on the filter screen, at the moment, the filter screen of the fresh air system is opened, and the fan of the fresh air system rotates reversely to discharge the dust in the air conditioner to the outside.
The air-conditioning indoor unit mainly comprises a bottom shell, a panel body, a left side plate, a right side plate, an evaporator, a panel, an air deflector 70, a cross-flow fan 60, an air inlet filter screen 80, a fresh air system and a fully-closed air inlet mechanism; the fresh air system mainly comprises a ventilation pipeline connected with a fresh air inlet shell 15, an axial flow fan, a fresh air filter member 20, a driving gear 31 and a motor; the fully closed air intake mechanism mainly includes a flexible PVC plate, a first rotating shaft 41, a second rotating shaft 42, a motor, and a driving rope 44, as shown in fig. 3. The motor of the fully-closed air inlet mechanism is fixed on the panel body through screws, quadrilateral openings are formed in two ends of the panel body, the flexible PVC plate is located above the panel body, one end of the flexible PVC plate is connected with the motor and the second rotating shaft 42, the other end of the flexible PVC plate is connected with the first rotating shaft 41 through a driving rope, when the motor of the fully-closed air inlet mechanism rotates forwards, the right motor drives the rotating shaft to rotate, the rotating shaft winds the flexible PVC plate, and the air inlet mechanism is in an open state; when the left side motor rotates reversely, the motor drives the rotating shaft to rotate, the rotating shaft pulls the pull rope, the pull rope slowly unfolds the flexible PVC plate wound on the right side rotating shaft, and the air inlet mechanism is in a closed state; fig. 6 is a schematic view of the installation position of the fully closed air intake mechanism in the air conditioner, and fig. 7 is a detailed view of the components of the fully closed air intake mechanism.
Specifically, the fresh air system is located behind a bottom shell of the air conditioner, the ventilation pipeline is connected with the air conditioner, the axial flow fan blade is fixed inside the ventilation pipeline through a mounting frame, a movable filter screen is installed between the axial flow fan and the air conditioner, a slot is formed in the bottom shell of the air conditioner and can be a rectangular groove, the movable filter screen is installed inside the groove, a rack is arranged on the movable filter screen, a driving rack 32 is connected with a driving gear 31, and a motor rotates through the driving gear 31 to drive the movable filter screen to move left and right along the horizontal direction, the moving direction is shown in fig. 4, and the cross-sectional view of the fresh air system is shown in fig. 2; when the axial flow fan blades rotate forwards, outdoor fresh air can enter the indoor space through the ventilating duct, the outdoor unit is provided with the detection piece, the detection piece can detect the PM2.5 value in outdoor air, when the detected PM2.5 value of the outdoor air exceeds a preset value, the outdoor air quality is judged to be poor, the control system closes the filter screen of the fresh air system, the outdoor air is filtered, and the air quality is improved; when the detected PM2.5 value of the outdoor air is lower than the preset value, the outdoor air quality is judged to be good, the control system starts a filter screen of the fresh air system, the outdoor fresh air can be directly blown into the room, and the fresh air mode control method is shown in fig. 8.
Specifically, the new trend filter piece in this embodiment can not be restricted to the filter screen material, also can trade other high-efficient filtered air's material, like the filter core.
The outdoor detection unit is not limited to detecting only PM2.5 values, and may detect other air pollution components.
As shown in fig. 8 and 9, a second embodiment of the present invention provides a control method for controlling the air conditioning indoor unit, where the control method includes: acquiring an air quality signal and an air quality standard signal at a fresh air inlet 13 of an indoor unit of an air conditioner, and comparing an air quality value corresponding to the air quality signal at the fresh air inlet 13 with an air quality standard value corresponding to the air quality standard signal; and controlling the fresh air filter member 20 of the air-conditioning indoor unit according to the comparison result of the air quality value and the air quality standard value so as to enable the fresh air filter member 20 to move to a filtering position or an avoiding position. By adopting the control method, the air quality of fresh air entering the room can be improved conveniently and effectively.
In this embodiment, the air mass value is a detection value corresponding to PM2.5, and the control method includes: when the detected value corresponding to the detected PM2.5 is smaller than the standard value corresponding to the normal PM2.5 (the standard value corresponding to the normal PM2.5 may also be referred to as a PM2.5 threshold value), controlling the fresh air filter 20 to move to the avoiding position; and when the detected value corresponding to the PM2.5 is greater than or equal to the standard value corresponding to the normal PM2.5, controlling the fresh air filter member 20 to move to the filtering position. By adopting the method, the fresh air filter 20 can be conveniently and effectively controlled according to the value of PNM 2.5.
Specifically, the indoor unit of an air conditioner in this embodiment includes a fresh air blower 50, and the control method includes: when the fresh air filter member 20 is controlled to move to the avoiding position, the fresh air fan 50 is controlled to rotate in a first rotating mode, so that fresh air enters the fresh air inlet 13 under the action of the fresh air fan 50; and/or, when the fresh air filter member 20 is controlled to move to the filtering position, the fresh air fan 50 is controlled to rotate in the first rotation mode, so that the fresh air enters the fresh air inlet 13 under the action of the fresh air fan 50. By adopting the method, the fresh air quantity can be conveniently and effectively increased, so that the indoor air quality is conveniently and effectively improved.
In this embodiment, the air-conditioning indoor unit further includes an air deflector 70 provided at the indoor air outlet 12 of the air-conditioning indoor unit; the air-conditioning indoor unit further comprises a heat exchange fan arranged in the indoor unit shell 10, and the heat exchange fan is provided with a third rotation mode for inducing air into the indoor unit shell 10 and a fourth rotation mode for discharging airflow in the indoor unit shell 10; the control method further comprises the following steps: controlling at least part of a plugging structure 40 of the indoor unit of the air conditioner to move to a position for plugging an indoor air inlet 11, and controlling an air deflector 70 to move to a position for plugging an indoor air outlet 12; and controlling the heat exchange fan to be in a fourth rotation mode so as to blow out dirty air in the indoor unit casing 10 under the action of the airflow in the indoor unit casing 10. By adopting the method, dust can be conveniently and effectively removed, so that the condition that dust in the indoor unit shell 10 is accumulated is avoided, the dust on the air inlet filter screen 80 positioned at the indoor air inlet 11 can be conveniently blown out, and the air inlet filter screen 80 can be conveniently and automatically cleaned.
Specifically, the heat exchange fan in the present embodiment may be a crossflow fan 60.
In this embodiment, the air-conditioning indoor unit is the above-mentioned air-conditioning indoor unit, and when the heat exchange fan is controlled to be in the fourth rotation mode, the control method further includes: and controlling the fresh air filter member 20 to move to an avoiding position, and controlling a fresh air fan 50 of the indoor unit of the air conditioner to rotate in a second rotation mode so as to blow away dust on the air inlet filter screen 80. By adopting the method, the dust removal operation can be conveniently and effectively carried out on the air inlet filter screen 80, so that the air inlet filter screen 80 can fully filter the air entering the indoor air inlet 11, and the air quality is effectively improved.
The air conditioner has an automatic dust removal function, when a user opens the automatic dust removal function, the air deflector 70 and the fully-closed air inlet mechanism are in a closed state at the moment, the fresh air filter element 20 is automatically opened, the cross flow fan 60 rotates reversely (namely, the fresh air fan rotates in a second rotation mode), dust on the air inlet filter screen 80 is blown up, the axial flow fan rotates reversely (the axial flow fan rotates reversely to correspond to the heat exchange fan in a fourth rotation mode) to discharge the dust in the air conditioner to the outside, so that the air conditioner blows healthily, and the dust removal mode control method is as shown in fig. 9.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: the movable filter screen of new trend system collocation through intelligent control filter screen opening and shutting, improves the new trend quality. The fan of the fresh air system rotates forwards to achieve the fresh air function, and the fan rotates backwards to achieve the dust removal function, so that the filter screen is prevented from being clogged. The air inlet mechanism is fully closed, so that dust is prevented from being accumulated on the filter screen.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. An indoor unit of an air conditioner, comprising:
the indoor unit comprises an indoor unit shell (10), wherein the indoor unit shell (10) is provided with an indoor air inlet (11), an indoor air outlet (12) and a fresh air inlet (13) which are arranged at intervals;
the detection piece is arranged at the fresh air inlet (13) so as to detect the air quality of fresh air introduced from the fresh air inlet (13) through the detection piece;
the fresh air filtering piece (20) is movably arranged at the fresh air inlet (13) to move to a filtering position opposite to the fresh air inlet (13) or an avoiding position avoiding the fresh air inlet (13);
and the detecting piece and the fresh air filtering piece (20) are connected with the control piece, so that the control piece drives the fresh air filtering piece (20) to move to the filtering position or the avoiding position according to the signal detected by the detecting piece.
2. Indoor unit of air-conditioning according to claim 1, characterized in that the indoor unit casing (10) comprises a main casing (14) and a fresh air intake casing (15) connected to the main casing (14), wherein the fresh air intake casing (15) is provided with a plug-in slot, and the fresh air filter (20) is movably inserted in the plug-in slot.
3. An indoor unit of an air conditioner according to claim 1, comprising:
drive structure (30), with the control is connected, drive structure (30) with fresh air filter piece (20) drive connection is in order to drive fresh air filter piece (20) motion.
4. An air-conditioning indoor unit according to claim 3, wherein the driving structure (30) comprises:
a drive gear (31) rotatably provided;
a drive rack (32) engaged with the drive gear (31), the drive rack (32) being mounted on the fresh air filter (20).
5. An indoor unit of an air conditioner according to claim 1, further comprising:
the blocking structure (40), at least part of the blocking structure (40) is movably arranged at the indoor air inlet (11), so that at least part of the blocking structure (40) moves to a blocking position for blocking the indoor air inlet (11) or an air inlet position for avoiding the indoor air inlet (11).
6. An air-conditioning indoor unit according to claim 5, wherein the blocking structure (40) comprises:
the first rotating shaft (41) and the second rotating shaft (42) are rotatably arranged in the indoor unit shell (10), and the first rotating shaft (41) and the second rotating shaft (42) are respectively positioned at two sides of the indoor air inlet (11);
a blocking piece (43), the blocking piece (43) is made of flexible material, two ends of the blocking piece (43) are respectively connected with the first rotating shaft (41) and the second rotating shaft (42) so that the blocking piece (43) can be rolled on the first rotating shaft (41) or the second rotating shaft (42) under the rotating action of the first rotating shaft (41) and the second rotating shaft (42).
7. An indoor unit of an air conditioner according to claim 5, further comprising:
the fresh air fan (50) is arranged at the fresh air inlet (13), the fresh air fan (50) is provided with a first rotating mode and a second rotating mode, and the rotating directions of the first rotating mode and the second rotating mode are opposite; when the fresh air fan (50) is in the first rotation mode, introducing outdoor fresh air into the fresh air fan (50); when the fresh air fan (50) is in the second rotation mode, the fresh air fan (50) discharges the dirty air in the indoor unit shell (10).
8. A control method for controlling the air conditioning indoor unit according to any one of claims 1 to 7, the control method comprising:
acquiring an air quality signal and an air quality standard signal at a fresh air inlet of the indoor unit of the air conditioner;
comparing the air quality value corresponding to the air quality signal at the fresh air inlet with the air quality standard value corresponding to the air quality standard signal;
and controlling a fresh air filter element of the indoor unit of the air conditioner according to the comparison result of the air quality value and the air quality standard value, so that the fresh air filter element moves to a filtering position or an avoiding position.
9. The control method according to claim 8, wherein the air mass value is a detection value corresponding to PM2.5, the control method comprising:
when the detected value corresponding to the PM2.5 is smaller than the standard value corresponding to the normal PM2.5, controlling the fresh air filter member to move to the avoiding position;
and when the detected value corresponding to the PM2.5 is larger than or equal to the standard value corresponding to the normal PM2.5, controlling the new air filter member to move to the filtering position.
10. The control method according to claim 9, wherein the air-conditioning indoor unit is the air-conditioning indoor unit according to claim 7, and the control method includes:
when the fresh air filter member is controlled to move to the avoiding position, a fresh air fan of the indoor unit of the air conditioner is controlled to rotate in a first rotating mode, so that fresh air enters the fresh air inlet under the action of the fresh air fan; and/or the presence of a gas in the gas,
when the new trend filter piece of control moves to when filtering the position, control the new trend fan rotates with first rotation mode to make the new trend get into under the effect of new trend fan in the new trend air inlet.
11. The control method according to claim 8, wherein the indoor unit of an air conditioner further comprises an air deflector provided at an indoor air outlet of the indoor unit of an air conditioner; the air-conditioning indoor unit further comprises a heat exchange fan arranged in a shell of the indoor unit, and the heat exchange fan is provided with a third rotation mode for inducing air into the shell of the indoor unit and a fourth rotation mode for discharging airflow in the shell of the indoor unit; the control method further comprises the following steps:
controlling at least part of a plugging structure of the indoor unit of the air conditioner to move to a position for plugging the indoor air inlet, and controlling the air deflector to move to a position for plugging the indoor air outlet;
and controlling the heat exchange fan to be in the fourth rotation mode so as to blow out dirty air in the indoor unit shell under the action of the airflow in the indoor unit shell.
12. The control method according to claim 11, wherein the indoor air conditioner is the indoor air conditioner according to claim 7, and when the heat exchange fan is controlled to be in the fourth rotation mode, the control method further includes:
and controlling the fresh air filter member to move to the avoiding position and controlling a fresh air fan of the indoor unit of the air conditioner to rotate in a second rotation mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210416174.0A CN114811747A (en) | 2022-04-20 | 2022-04-20 | Air conditioner indoor unit and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210416174.0A CN114811747A (en) | 2022-04-20 | 2022-04-20 | Air conditioner indoor unit and control method |
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| CN114811747A true CN114811747A (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210416174.0A Pending CN114811747A (en) | 2022-04-20 | 2022-04-20 | Air conditioner indoor unit and control method |
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| CN103062839A (en) * | 2013-01-01 | 2013-04-24 | 广东美的电器股份有限公司 | Air conditioner and air inlet device of indoor unit of air conditioner |
| CN212719998U (en) * | 2020-08-05 | 2021-03-16 | 广东美的制冷设备有限公司 | Machine and air conditioner in new trend module, air conditioning |
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Application publication date: 20220729 |