CN113217992B - Indoor unit control method and indoor unit - Google Patents
Indoor unit control method and indoor unit Download PDFInfo
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- CN113217992B CN113217992B CN202110420498.7A CN202110420498A CN113217992B CN 113217992 B CN113217992 B CN 113217992B CN 202110420498 A CN202110420498 A CN 202110420498A CN 113217992 B CN113217992 B CN 113217992B
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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
- 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
- F24F1/0076—Indoor units, e.g. fan coil units with means for purifying supplied air by electric means, e.g. ionisers or electrostatic separators
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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
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
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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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
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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)
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- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention belongs to the technical field of air conditioning, and particularly provides an indoor unit control method and an indoor unit. The invention aims to solve the problems that the air supply mode and the ion emission mode of the air conditioner are high in limitation and cannot realize intelligent adjustment. For this purpose, the indoor unit of the invention is provided with two air outlets, wherein the first air outlet is controlled by an air outlet baffle column, a first ion emission module is arranged in a negative pressure area formed by the air outlet baffle column, the second air outlet is controlled by an air deflector, and a second ion emission module is arranged in the shell and close to the air deflector. The indoor unit control method comprises the steps that a control personnel detection module detects the condition of indoor personnel; according to the indoor personnel condition, the position of the air outlet baffle column, the opening and closing of the air guide plate, the opening and closing of the first ion emission module and the second ion emission module are controlled, so that multiple different operation modes are realized. The invention can realize diversified operation modes of the indoor unit according to the indoor personnel conditions.
Description
Technical Field
The invention belongs to the technical field of air conditioning, and particularly provides an indoor unit control method and an indoor unit.
Background
With the development of the times and the progress of the technology, the use of the air conditioner is more and more popularized, the demand of people on the air conditioner is continuously improved, the air conditioner is not limited to simple temperature regulation, and new requirements are provided for functions of intelligent control, indoor purification, sterilization, health care and the like of the air conditioner.
Firstly, in the operation scene of the air conditioner, there is a great difference between the indoor personnel, for example, in the scene that there is one person indoors and there are many people indoors, if the same operation mode is used, the operation efficiency of the air conditioner will be low, and the indoor personnel experience will be poor. Similarly, different parameters of indoor personnel also affect the operating environment of the air conditioner, and if the air conditioner is operated only according to the set mode and the set temperature, the overall user experience is poor.
In addition, some functions of sterilization and purification are added to the existing air conditioner, but the overall effect is not ideal. If the anion purification technology is used, the purification function is single and the sterilization effect is limited. The bipolar ions can further effectively and actively capture and inactivate harmful microorganisms such as bacteria, viruses, molds and the like in the air in a room and on the surfaces of various objects (on sofas, bed sheets, tea tables and the like).
However, in the prior art, the air supply mode of the air conditioner and the function of the ion emission device are single, so that the limitations of the operation mode, the air supply mode and the ion emission mode of the air conditioner are high, and more intelligent adjustment cannot be realized.
Accordingly, there is a need in the art for a new control method for an indoor unit and an indoor unit, which solve the problems that the operating mode, the air supply mode and the ion emission mode of an air conditioner are limited more and cannot be adjusted more intelligently.
Disclosure of Invention
In order to solve the problems in the prior art, namely the problems that the limitation of an operation mode, an air supply mode and an ion emission mode of an air conditioner is high, and more intelligent adjustment cannot be realized, the invention provides an indoor unit, which comprises a shell, wherein a first air outlet and a second air outlet are arranged on the shell, the first air outlet faces the front of the indoor unit, and the second air outlet faces the lower part of the indoor unit; the air outlet blocking column is arranged at the first air outlet and is in sliding connection with the shell so as to realize the opening and closing of the first air outlet and form a negative pressure area for air gathering; the air deflector is arranged at the second air outlet and can be rotatably arranged on the shell so as to realize the opening and closing of the second air outlet; a first ion emission module disposed within the negative pressure region; the second ion emission module is arranged in the shell and close to the air deflector; the personnel detection module is used for detecting the indoor personnel condition; and the personnel detection module is in communication connection with a processor of the indoor unit.
The invention also provides an indoor unit control method, which comprises the steps of controlling the personnel detection module to detect the condition of indoor personnel;
and controlling the position of the air outlet blocking column, the opening and closing of the air guide plate, and the opening and closing of the first ion emission module and the second ion emission module according to the indoor personnel conditions so as to realize multiple different operation modes.
In a preferred technical solution of the above indoor unit control method, "controlling the position of the air outlet catch, the opening and closing of the air deflector, and the opening and closing of the first ion emission module and the second ion emission module according to the indoor personnel conditions so as to implement a plurality of different operation modes" includes:
when the indoor unit is in refrigeration operation and the number of indoor people is less than a first set value, controlling the indoor unit to operate in a first air supply mode;
wherein the first air supply mode is as follows: and all the air outlet blocking columns are opened, the range of the opened angle of the air deflector is equal to or less than a first opening, the first ion emission module works, and the second ion emission module does not work.
In the preferable technical scheme of the indoor unit control method, when the number of the indoor personnel is less than or equal to a second set value, the angle of the air deflector is less than a second opening degree and less than or equal to a first opening degree;
and when the second set value is smaller than the number of the indoor personnel and smaller than the first set value, the angle of the air deflector is smaller than or equal to a second opening degree.
In a preferred technical solution of the above indoor unit control method, "controlling the position of the air outlet catch, the opening and closing of the air deflector, and the opening and closing of the first ion emission module and the second ion emission module according to the indoor personnel conditions so as to implement a plurality of different operation modes" includes:
when the indoor unit is in refrigerating operation and the number of indoor people is larger than or equal to a first set value, controlling the indoor unit to operate in a second air supply mode;
wherein the second air supply mode is as follows: and all the air outlet blocking columns are opened, the range of the opened angle of the air deflector is equal to or less than a second opening, the first ion emission module works, and the second ion emission module works.
In a preferred technical solution of the above indoor unit control method, "controlling the position of the air outlet catch, the opening and closing of the air deflector, and the opening and closing of the first ion emission module and the second ion emission module according to the indoor personnel conditions so as to implement a plurality of different operation modes" includes:
when the indoor unit is in heating operation and the number of indoor personnel is less than a first set value, controlling the indoor unit to operate a third air supply mode;
wherein the third air supply mode is as follows: and completely closing the air outlet blocking column, wherein the angle of the air deflector is opened within the range that the angle of the air deflector is larger than a first opening degree, the first ion emission module does not work, and the second ion emission module works.
In the preferable technical scheme of the indoor unit control method, when the second set value is smaller than the number of indoor personnel and smaller than the first set value, the angle of the air deflector is larger than or equal to the third opening;
when the number of the indoor personnel is less than or equal to a second set value, the angle of the air deflector is less than the third opening degree and less than or equal to a fourth opening degree;
wherein the first opening degree is less than the third opening degree.
In a preferred technical solution of the above indoor unit control method, "controlling the position of the air outlet catch, the opening and closing of the air deflector, and the opening and closing of the first ion emission module and the second ion emission module according to the indoor personnel conditions so as to implement a plurality of different operation modes" includes:
when the indoor unit is in heating operation and the number of the indoor personnel is larger than a first set value, controlling the indoor unit to operate a fourth air supply mode;
wherein the fourth air supply mode is: and completely closing the air outlet blocking column, wherein the angle of the air deflector is opened within the range that the third opening degree is smaller than the angle of the air deflector and is not larger than the fourth opening degree, the first ion emission module works, and the second ion emission module works.
In a preferred technical solution of the indoor unit control method, the indoor unit further includes an ion concentration detection module, the ion concentration detection module is in communication connection with the processor, and the control method further includes:
controlling the ion concentration detection module to detect the concentration of ions in a room;
when the ion concentration is less than or equal to the concentration threshold value, the operation mode of the first ion emission module and the second ion emission module is a pure negative ion emission mode;
when the ion concentration is larger than the concentration threshold value, the operation mode of the first ion emission module and the second ion emission module is an emission mode in which positive ions and negative ions are jointly emitted.
In a preferred technical scheme of the indoor unit control method, when the personnel detection module detects that at least one old man or child is present in an indoor person, the first ion emission module and the second ion emission module are controlled to work; and/or the like and/or,
when the personnel detection module detects that the interval of indoor personnel is within a preset interval range, the first ion emission module and the second ion emission module are controlled to work.
The indoor unit comprises a shell, wherein a first air outlet and a second air outlet are arranged on the shell, the first air outlet faces the front of the indoor unit, and the second air outlet faces the lower part of the indoor unit; the air outlet blocking column is arranged at the first air outlet and is in sliding connection with the shell so as to realize the opening and closing of the first air outlet and form a negative pressure area for air gathering; the air deflector is arranged at the second air outlet and can be rotatably arranged on the shell so as to realize the opening and closing of the second air outlet; the first ion emission module is arranged in the negative pressure region; the second ion emission module is arranged in the shell and close to the air deflector; the personnel detection module is used for detecting the condition of indoor personnel; the personnel detection module is in communication connection with a processor of the indoor unit. The invention also provides an indoor unit control method, which comprises the steps that the control personnel detection module detects the condition of indoor personnel; according to the indoor personnel condition, the position of the air outlet blocking column, the opening and closing of the air guide plate, the opening and closing of the first ion emission module and the second ion emission module are controlled, so that multiple different operation modes are realized.
Through the arrangement mode, the indoor unit control method can control the air supply mode of the indoor unit according to the condition of indoor personnel, further control the working states of the first ion emission module and the second ion emission module, and realize diversified indoor unit operation modes according to different parameters such as the number of the indoor personnel, the age and the distance of a human body by combining the control of the air speed of the indoor unit, so that the comfort level of the human body can be ensured, various functions such as bacteria and viruses removal, health care, dust removal and the like in the indoor can be further realized according to the difference of the indoor conditions, and meanwhile, the human body can be ensured to breathe in time to obtain healthy and sterile air containing negative oxygen ions.
As can be understood by those skilled in the art, in a preferred technical solution of the present invention, the indoor unit is provided with two air outlets, wherein the first air outlet is provided with an air outlet pillar, and the air outlet pillar slides to open and close the first air outlet and form a negative pressure region where air converges; the second air outlet is provided with an air deflector, and the air deflector realizes the opening and closing of the second air outlet through rotation; the indoor unit is also provided with a first ion emission module and a second ion emission module, wherein the first ion emission module is arranged in the negative pressure area, and the second ion emission module is arranged in the position, close to the air deflector, in the shell; the indoor unit is provided with a personnel detection module for detecting the condition of indoor personnel. The detection module can detect indoor personnel's quantity, human body distance, personnel's age etc., and according to these parameters, adjust the air supply mode of indoor set, and first ion emission module, the running state of second ion emission module, under refrigeration and heating mode, realize diversified running state, not only can realize indoor temperature's regulation, can also be according to indoor personnel's the condition intelligent regulation temperature regulation's mode, and further according to indoor personnel's condition, control first ion emission module and second ion emission module and realize diversified mode, in order to ensure indoor environment's air quality and human comfort level.
Drawings
The indoor unit control method and the indoor unit of the present invention are described below with reference to the accompanying drawings. In the drawings:
fig. 1 is a schematic view of an indoor unit according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a first ion emission module of an indoor unit according to an embodiment of the present invention;
fig. 3 is a side view of a second ion emission module of an indoor unit according to an embodiment of the present invention;
fig. 4 is a schematic view of a maximum air supply mode of an indoor unit according to an embodiment of the present invention;
fig. 5 is a schematic diagram illustrating a default cold air mode of an indoor unit according to an embodiment of the present invention;
fig. 6 is a schematic view of an extreme cold air mode of an indoor unit according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a default hot air mode of an indoor unit according to an embodiment of the present invention;
fig. 8 is a schematic view of an extreme hot air mode of an indoor unit according to an embodiment of the present invention;
fig. 9 is a main flowchart of an indoor unit control method according to an embodiment of the present invention.
List of reference numbers:
the negative pressure ion emission device comprises a shell 1, an air outlet baffle column 2, an air deflector 3, a first air outlet 4, a second air outlet 5, a first ion emission module 6, a second ion emission module 7 and a negative pressure region 8.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications. For example, although the description has been given of the indoor unit as an example, it is obvious that the present invention can be applied to various other air blowing devices as long as the air blowing device has an air conditioning effect.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
First, an indoor unit according to the present invention will be described with reference to fig. 1. Fig. 1 is a schematic view of an indoor unit according to an embodiment of the present invention.
As shown in fig. 1, 3 and 4, in order to solve the problems that the operating mode, the air supply mode and the ion emission mode of the conventional air conditioner have high limitations and cannot realize more intelligent adjustment, the indoor unit of the present invention includes a casing 1, wherein the casing 1 is provided with a first air outlet 4 and a second air outlet 5, the first air outlet 4 faces the front of the indoor unit, and the second air outlet 5 faces the lower part of the indoor unit; the air outlet baffle column 2 is arranged at the first air outlet 4, and is in sliding connection with the shell 1 so as to realize the opening and closing of the first air outlet 4 and form a negative pressure area 8 for air gathering; the air deflector 3 is arranged at the second air outlet 5, and the air deflector 3 is rotatably arranged on the shell 1 so as to realize the opening and closing of the second air outlet 5; the first ion emission module 6, the first ion emission module 6 is arranged in the negative pressure area 8; the second ion emission module 7 is arranged in the shell 1 and close to the air deflector 3; a personnel detection module (not shown) for detecting the condition of personnel in the room; the personnel detection module is in communication connection with a processor of the indoor unit; and the ion concentration detection module (not shown in the figure) is used for detecting the concentration of indoor negative ions and is in communication connection with the processor.
The setting mode has the advantages that: two air outlets are arranged on the indoor unit, the air outlet blocking column 2 slides forwards and backwards to realize the opening and closing of the first air outlet 4, and the air deflector 3 rotates to realize the opening and closing of the second air outlet 5. Be provided with ion emission module respectively in two air outlets department, first ion emission module 6 sets up in the 2 outsides of air-out bumping post, when air-out bumping post 2 is opened first air outlet 4, can form negative pressure region 8, first ion emission module 6 sets up in negative pressure region 8, when the indoor set supplies air through first air outlet 4, the ion of first ion emission module 6 transmission, itself is launched forward, can produce ion wind, ion wind is in negative pressure region 8, can be carried out the secondary drainage by the air supply of indoor set through air-out bumping post 2 postpolymerization, thereby realize the all-round transmission of ion, and the transmission distance is farther. When first air outlet 4 was closed simultaneously, because first ion emission module 6 sets up in the outside of air-out bumping post 2, the ion also can launch to indoor. The second ion emission module 7 is arranged inside the shell 1 and close to the air deflector 3, and when air is supplied through the second air outlet 5, ions emitted by the second ion emission module 7 can be emitted indoors along with air supply of the air conditioner. The negative pressure area 8 is that when air-conditioning air supply passes through the air outlet retaining column 2, the air-conditioning air is divided into two paths, the two paths of air-conditioning air are gathered together after passing through the air outlet retaining column 2, the air speed is extremely low at the position close to the indoor side of the air outlet retaining column 2, the air speed is very high before, and the area with extremely low air speed is the negative pressure area 8.
In a possible implementation, the air outlet baffle column 2 is a hollow columnar structure, one side of the air outlet baffle column 2 facing the indoor is provided with a plurality of small holes, a part of the first ion emission module 6 is arranged inside the air outlet baffle column 2, and the emission head of the first ion emission module 6 penetrates through the small holes on the air outlet baffle column 2 and is exposed outside the air outlet baffle column 2. The second ion emission module 7 is arranged inside the indoor unit base, penetrates through a small hole in the outer side of the base and is exposed out of the indoor unit. The second ion emission module 7 is arranged obliquely upwards, and when the air supply of the indoor unit passes through, ions can be blown out of the air deflector 3 along with the air supply of the indoor unit.
In a possible embodiment, the first outlet 4 is a cold air outlet, and the second outlet 5 is mainly a hot air outlet. In the refrigeration mode, the air outlet blocking column 2 moves backwards, the cold air outlet is opened to form a negative pressure area 8, cold air is sent out from the first air outlet 4, the cold air is blown upwards, and the hot air outlet is in a slightly closed state. In the heating mode, the air outlet blocking column 2 moves forwards, the cold air outlet is in a closed state, the air deflector 3 is opened, and hot air is blown downwards. The air supply modes of the indoor unit mainly comprise the following modes:
1. the maximum air supply mode is as follows: the air outlet baffle column 2 moves backwards, and the air deflector 3 is opened by 45 degrees. At this time, the air supply channel is wide, and the indoor heat exchange speed is high, as shown in fig. 4;
2. a default cold air mode: the air outlet baffle column 2 moves backwards, and the air deflector 3 is opened by 15 degrees. At the moment, the mode cold air is slightly raised and does not blow directly to indoor personnel, and the mode belongs to shower type air supply, as shown in figure 5;
3. the extreme cold air mode: the air outlet baffle column 2 moves backwards, and the air deflector 3 is opened by 10 degrees. At the moment, the angle of the cold air is obviously raised, and the parabola type long-distance air supply is realized, as shown in figure 6;
4. the default hot air mode is as follows: the air outlet baffle column 2 moves forward to the first air outlet 4 to be closed, and the air deflector 3 is opened by 85 degrees. At the moment, the hot air blows downwards obliquely and has a certain forward speed component, the air supply distance is long, and the heat exchange speed is high, as shown in fig. 7;
5. the limit hot air mode is as follows: the air outlet baffle column 2 moves forwards until the first air outlet 4 is closed, and the air deflector 3 is opened by 90 degrees. At this time, the hot air is blown vertically downward to realize completely sensible air blowing, as shown in fig. 8.
The air supply speed of the indoor unit is 5 gears, namely silence, low wind, wind stroke, high wind and strong force.
In another possible embodiment, the first ion emission module 6 and the second ion emission module 7 are respectively composed of a plurality of negative ion emission heads connected in parallel and a plurality of positive ion emission heads connected in parallel. The negative ion emission head and the positive ion emission head are used for generating high corona through point direct current high voltage and ionizing air. The negative high voltage electrode can release a large amount of electrons at high speed, and the electrons which can not exist in the air for a long time can be immediately captured by oxygen molecules in the air, so that air negative oxygen ions, namely so-called negative ions, are generated. The positive high voltage electrode can ionize H2O, i.e. water molecules, in the air to produce H + So-called positive ions.
The principle of applying positive and negative ions to realize the functions of degerming, purification and health care is as follows: when the positive and negative ions are adsorbed on the surfaces of bacteria, mould or virus, the positive and negative ions can be changed into hydroxyl (OH) with extremely strong oxidizing capability, hydrogen (H) is instantaneously extracted from the protein on the surfaces, the protein is decomposed, and the OH groups are combined with H ions to form water (H2O) which is returned to the air, so that the bacteria, the virus and the like in the space can be quickly killed and removed, and the effects of removing bacteria and viruses can be effectively realized; meanwhile, the negative ions can also achieve the effects of health care of the human body and indoor dust removal.
The first ion emission module 6 and the second ion emission module 7 have two operation modes, that is, only emitting negative ions and simultaneously emitting positive ions and negative ions. The anion emission head and the positive ion emission head adopt special composite carbon fibers resistant to electric corrosion as emission ends, one emission end comprises hundreds of fine carbon fibers, the dispersed fluffy state is presented, each fiber head is an emission electrode, ionization achieves the best effect, compared with a common emission end electrode, the release capacity is almost not attenuated, the quantity of generated ions is large, the particle size of the generated ions is small, the mobility is high, the moving speed is high, the penetration is easy to absorb, and the health care effect on a human body is better. The emission quantities of the negative ions and the positive ions generated by the first ion emission module 6 and the second ion emission module 7 are all in the order of ten million.
As shown in fig. 9, the indoor unit control method of the present invention includes:
s100, a control personnel detection module detects the condition of indoor personnel;
and S200, controlling the position of the air outlet baffle column 2, the opening and closing of the air guide plate 3, and the opening and closing of the first ion emission module 6 and the second ion emission module 7 according to the indoor personnel conditions so as to realize various different operation modes.
The setting mode has the advantages that: the detection module can detect indoor personnel's condition, and the indoor set is adjusted the indoor set according to indoor personnel's condition and is realized diversified air supply mode, can promote indoor personnel's comfort level, also can guarantee the quality of room air, lets indoor personnel breathe more healthy air.
In one possible implementation, step S200 includes:
when the indoor unit is in refrigeration operation and the number of indoor personnel is less than a first set value, controlling the indoor unit to operate in a first air supply mode;
wherein, the first air supply mode is as follows: and (3) completely opening the air outlet baffle column 2, wherein the opening angle of the air deflector 3 is less than or equal to a first opening degree, the first ion emission module 6 works, and the second ion emission module 7 does not work.
When the second set value is smaller than the number of the indoor personnel and smaller than the first set value, the angle of the air deflector 3 is smaller than or equal to a second opening degree;
when the number of the indoor personnel is less than or equal to the second set value, the angle of the air deflector 3 is less than the second opening degree and less than or equal to the first opening degree.
In one possible implementation, step S200 includes:
when the indoor unit is in refrigerating operation and the number of indoor personnel is larger than or equal to a first set value, controlling the indoor unit to operate in a second air supply mode;
wherein, the second air supply mode is as follows: and (3) opening the air outlet baffle columns 2 completely, wherein the opening angle of the air deflector 3 is less than or equal to a second opening angle, the first ion emission module 6 works, and the second ion emission module 7 works.
In one possible implementation, step S200 includes:
when the indoor unit is in heating operation and the number of indoor personnel is less than a first set value, controlling the indoor unit to operate a third air supply mode;
wherein, the third air supply mode is as follows: and (3) completely closing the air outlet baffle column 2, wherein the angle of the air deflector 3 is larger than the first opening degree, the first ion emission module 6 does not work, and the second ion emission module 7 works.
When the second set value is smaller than the number of indoor personnel and smaller than the first set value, the angle of the air deflector 3 is larger than or equal to a third opening degree;
when the number of indoor personnel is less than or equal to a second set value, the angle range for opening the air guide plate 3 is that the angle of the air guide plate 3 is less than a third opening degree and less than or equal to a fourth opening degree;
wherein the first opening degree is less than the third opening degree.
In one possible implementation, step S200 includes:
when the indoor unit is in heating operation and the number of indoor personnel is larger than a first set value, controlling the indoor unit to operate a fourth air supply mode;
wherein, the fourth air supply mode is as follows: and (3) completely closing the air outlet baffle column 2, opening the air deflector 3 within the angle range of third opening degree which is larger than the angle of the air deflector 3 and is smaller than or equal to the fourth opening degree, operating the first ion emission module 6 and operating the second ion emission module 7.
In one possible implementation, step S200 includes:
controlling an ion concentration detection module to detect the concentration of ions in the room;
when the ion concentration is less than or equal to the concentration threshold, the operation mode of the first ion emission module 6 and the second ion emission module 7 is a pure negative ion emission mode;
when the ion concentration is larger than the concentration threshold value, the operation mode of the first ion emission module 6 and the second ion emission module 7 is an emission mode in which positive ions and negative ions are jointly emitted.
Specifically, when the indoor unit operates in the cooling mode:
when a person detection module of the indoor unit detects 1 person in a room, the indoor unit controls the gear of a fan of the indoor unit to be silent, an air supply mode is a default cold air mode, and the first ion emission module 6 works; the ion concentration detection module detects the concentration of negative ions in the room, when the concentration of the negative ions is 1000 (unit: one/cm) 3 ) When the temperature is within the range, the first ion emission module 6 simply emits negative ions to realize the functions of health care and dust removal; when the concentration of the indoor negative ions is more than 1000 (unit: one/cm) 3 ) When the device is used, the first ion emission module 6 emits negative ions and positive ions, so that the functions of removing bacteria and viruses are realized.
When a personnel detection module of the indoor unit detects 2 persons in a room, the indoor unit controls the gear of a fan of the indoor unit to be low wind, an air supply mode is a default cold air mode, and a first ion emission module 6 works; the ion concentration detection module detects the concentration of negative ions in the room, when the concentration of the negative ions is 1100 (unit: one/cm) 3 ) When the ion emitting module 6 is in the above range, the first ion emitting module 6 simply emits negative ions to realize health care and removalThe function of dust; when the concentration of the indoor negative ions is more than 1100 (unit: one/cm) 3 ) And then the first ion emission module 6 emits negative ions and positive ions to realize the functions of removing bacteria and viruses.
When a person detection module of the indoor unit detects 3 persons in a room, the indoor unit controls the fan of the indoor unit to be in a stroke mode, an air supply mode is a limit cold air mode, and the first ion emission module 6 works; the ion concentration detection module detects the concentration of negative ions in the room, when the concentration of the negative ions is 1200 (unit: one/cm) 3 ) When the temperature is within the range, the first ion emission module 6 simply emits negative ions to realize the functions of health care and dust removal; when the concentration of the indoor negative ions is more than 1200 (unit: one/cm) 3 ) When the device is used, the first ion emission module 6 emits negative ions and positive ions, so that the functions of removing bacteria and viruses are realized.
When a personnel detection module of the indoor unit detects 4 persons in a room, the indoor unit controls the fan of the indoor unit to be in a high wind mode, an air supply mode is an extreme cold wind mode, the first ion emission module 6 and the second ion emission module 7 work, the first ion emission module 6 emits negative ions only, and the second ion emission module 7 is switched between two states of emitting the negative ions and emitting the positive and negative ions; the ion concentration detection module detects the concentration of negative ions in the room, when the concentration of the negative ions is 1300 (unit: one/cm) 3 ) When the temperature is within the range, the second ion emission module 7 simply emits negative ions, so that the functions of health care and dust removal are realized; when the concentration of the indoor negative ions is more than 1300 (unit: one/cm) 3 ) And then the second ion emission module 7 emits negative ions and positive ions to realize the functions of removing bacteria and viruses. Here because first ion emission module 6 sets up in negative pressure region 8, the anion of its transmission can be emitted to indoorly along with the wind of 2 reposition of redundant personnel postpolymerization of air-out bumping post, and the transmission distance is farther, and the emission effect is better, and first ion emission module 6 transmits the anion, and anion transmission distance is farther, can be effectively absorbed by the human body. After the second ion emission module 7 emits negative ions and positive ions, the negative ions and the positive ions can be combined with bacteria, mold or viruses and the like to form hydroxyl groups quickly, so that bacteria removal is realized, and meanwhile, the negative ions and the bacteria, the mold or the viruses can be attached to objects to realizeSterilizing the surface of an object; meanwhile, ions emitted by the second ion emission module 7 can also sterilize the air deflector 3, the air outlet baffle column 2, the indoor unit casing 1 and the like.
When a personnel detection module of the indoor unit detects that more than 4 people exist in a room, the indoor unit controls the gear of a fan of the indoor unit to be a strong force, an air supply mode is a limit cold air mode, the first ion emission module 6 and the second ion emission module 7 work, the first ion emission module 6 emits negative ions only, and the second ion emission module is switched between two states of emitting the negative ions and emitting the positive and negative ions; the ion concentration detection module detects the concentration of negative ions in the room, when the concentration of the negative ions is 1400 (unit: one/cm) 3 ) When the temperature is within the range, the second ion emission module 7 simply emits negative ions to realize the functions of health care and dust removal; when the concentration of the indoor negative ions is more than 1400 (unit: one/cm) 3 ) And then the second ion emission module 7 emits negative ions and positive ions to realize the functions of removing bacteria and viruses.
When the indoor unit operates in the heating mode:
when a person detection module of the indoor unit detects 1 person in a room, the indoor unit controls the gear of a fan of the indoor unit to be silent, an air supply mode is a limit hot air mode, and a second ion emission module 7 works; the ion concentration detection module detects the concentration of negative ions in the room, when the concentration of the negative ions is 1000 (unit: one/cm) 3 ) When the temperature is within the range, the second ion emission module 7 simply emits negative ions, so that the functions of health care and dust removal are realized; when the concentration of the indoor negative ions is more than 1000 (unit: one/cm) 3 ) And then the second ion emission module 7 emits negative ions and positive ions to realize the functions of removing bacteria and viruses.
When a personnel detection module of the indoor unit detects 2 persons in a room, the indoor unit controls the gear of a fan of the indoor unit to be low wind, an air supply mode is a limit hot air mode, and a second ion emission module 7 works; the ion concentration detection module detects the concentration of negative ions in the room, when the concentration of the negative ions is 1100 (unit: one/cm) 3 ) When the ion is within the range, the second ion emission module 7 only emits negative ions to realize health care and removalThe function of dust; when the concentration of the indoor negative ions is more than 1100 (unit: one/cm) 3 ) And then the second ion emission module 7 emits negative ions and positive ions to realize the functions of removing bacteria and viruses.
When a person detection module of the indoor unit detects 3 persons in a room, the indoor unit controls a fan of the indoor unit to be in a stroke gear, an air supply mode is a default hot air mode, and a second ion emission module 7 works; the ion concentration detection module detects the concentration of negative ions in the room, when the concentration of the negative ions is 1200 (unit: one/cm) 3 ) When the temperature is within the range, the second ion emission module 7 simply emits negative ions, so that the functions of health care and dust removal are realized; when the concentration of the indoor negative ions is more than 1200 (unit: one/cm) 3 ) And then the second ion emission module 7 emits negative ions and positive ions to realize the functions of removing bacteria and viruses.
When a personnel detection module of the indoor unit detects 4 persons in a room, the indoor unit controls the fan of the indoor unit to be in a high wind mode, an air supply mode is a default hot wind mode, the first ion emission module 6 and the second ion emission module 7 work, the first ion emission module 6 emits negative ions and emits positive and negative ions, and the second ion emission module 7 emits the negative ions; the ion concentration detection module detects the concentration of negative ions in the room, when the concentration of the negative ions is 1300 (unit: one/cm) 3 ) When the temperature is within the range, the first ion emission module 6 simply emits negative ions to realize the functions of health care and dust removal; when the concentration of the indoor negative ions is more than 1300 (unit: one/cm) 3 ) When the device is used, the first ion emission module 6 emits negative ions and positive ions, so that the functions of removing bacteria and viruses are realized.
When a personnel detection module of the indoor unit detects that more than 4 people exist in a room, the indoor unit controls the gear of a fan of the indoor unit to be strong wind, the air supply mode is a default hot wind mode, the first ion emission module 6 and the second ion emission module 7 work, the first ion emission module 6 emits negative ions and emits positive and negative ions, and the second ion emission module 7 emits the negative ions only; the ion concentration detection module detects the indoor negative ion concentration, and when the negative ion concentration is in the indoor1400 (unit: pieces/cm) 3 ) When the temperature is within the range, the first ion emission module 6 simply emits negative ions to realize the functions of health care and dust removal; when the concentration of the indoor negative ions is more than 1400 (unit: one/cm) 3 ) When the device is used, the first ion emission module 6 emits negative ions and positive ions, so that the functions of removing bacteria and viruses are realized.
In one possible implementation, step S200 includes: when the personnel detection module detects that at least one old man or child exists in the room, the first ion emission module 6 and the second ion emission module 7 are controlled to work; and/or the like, and/or,
when the personnel detection module detects that the interval of indoor personnel is within the preset interval range, the first ion emission module 6 and the second ion emission module 7 are controlled to work.
Specifically, when the personnel detection module detects that an old person or a child exists in an indoor person, the air supply mode and the air speed of the indoor unit and the operation conditions of the first ion emission module 6 and the second ion emission module 7 can be adjusted in a targeted manner; meanwhile, the indoor unit can also adjust the air supply mode and the air speed of the indoor unit and the operation conditions of the first ion emission module 6 and the second ion emission module 7 according to the distance between human bodies.
In a preferred embodiment, the personnel detection module comprises a camera, so that the number of indoor personnel can be judged, and the ages of the indoor personnel can be further judged through a face recognition technology. When the camera detects that an old man or a child is in a room, the first ion emission module 6 and the second ion emission module 7 work simultaneously, one of the first ion emission module and the second ion emission module emits negative ions, and the other one of the first ion emission module and the second ion emission module switches between two modes of emitting the negative ions and emitting the positive ions and the negative ions. The ion concentration detection module detects the indoor negative ion concentration, when the indoor negative ion concentration is 1000 (unit: one/cm) 3 ) When the ion emission is within the range, the first ion emission module 6 and the second ion emission module 7 both emit negative ions; when the concentration of the indoor negative ions is more than 1000 (unit: one/cm) 3 ) And when the ion emitting module emits negative ions, one of the ion emitting modules emits the negative ions, and the other ion emitting module emits the negative ions and the positive ions. The wind speed gear of the indoor unit is mute, and meanwhile, the camera detects the number of indoor peopleWhen the number of people increases by 1, the wind speed gear of the indoor unit is increased by 1 gear, and when the number of people in the room reaches more than 5 people, the indoor unit keeps strong gear operation. The air supply mode of the indoor unit is a maximum air supply mode.
In order to avoid the long-time direct blowing of the old or the child, after the indoor unit runs for 30 minutes, if the indoor unit is in a refrigeration mode and the number of indoor people is within 3, the indoor unit is switched to a default cold air mode, the first ion emission module 6 emits negative ions, and the second ion emission module 7 is switched between two modes of emitting the negative ions and emitting the positive and negative ions. The ion concentration detection module detects the indoor negative ion concentration when the indoor negative ion concentration is 1000 (unit: one/cm) 3 ) When the ion is within the range, the second ion emission module 7 emits negative ions; when the concentration of the indoor negative ions is more than 1000 (unit: one/cm) 3 ) At this time, the second ion emission module 7 emits negative ions and positive ions. If the indoor unit is in the refrigeration mode and the number of people in the indoor unit is more than 3, the indoor unit is switched to the limit cold air mode, the first ion emission module 6 emits negative ions, and the second ion emission module 7 is switched between the two modes of emitting the negative ions and emitting the positive and negative ions. The ion concentration detection module detects the concentration of negative ions in the room, when the concentration of the negative ions is 1100 (unit: one/cm) 3 ) When the ion emission amount is within the range, the second ion emission module 7 emits negative ions; when the concentration of the indoor negative ions is more than 1100 (unit: piece/cm) 3 ) At this time, the second ion emission module 7 emits negative ions and positive ions.
In a preferred embodiment, the detection module includes an infrared sensor or a camera, and can detect a distance between a human body and the indoor unit. The distance between the human body and the indoor unit can be divided into 5 grades, namely, far, normal, near and near. Those skilled in the art can specifically define the distance classification between the human body and the indoor unit according to the actual application situation.
When the distance between a human body and the indoor unit is extremely long, the air supply mode of the indoor unit is extreme cold air, the wind speed gear is strong, and the first ion emission module 6 emits negative ions;
when the distance between the human body and the indoor unit is far, the air supply mode of the indoor unit is default cold air, the wind speed gear is high wind, and the first ion emission module 6 emits negative ions;
when the distance between a human body and the indoor unit is normal, the air supply mode of the indoor unit is maximum air supply, the wind speed gear is stroke, the first ion emission module 6 emits negative ions, and the second ion emission module 7 emits negative ions and positive ions;
when the distance between the human body and the indoor unit is short, the air supply mode of the indoor unit is default hot air, the wind speed gear is low wind, and the second ion emission module 7 emits negative ions;
when the distance between the human body and the indoor unit is very close, the air supply mode of the indoor unit is default hot air, the wind speed gear is mute, and the second ion emission module 7 emits negative ions.
In particular, an ion generating device is also included in the indoor unit. The indoor machine ion generating device is a high-voltage power supply converting circuit and is used for processing input direct current or alternating current through an EMI (electro magnetic interference) processing circuit and a lightning stroke protection circuit, increasing low voltage to alternating current high voltage through a pulse oscillation circuit, circuits such as overvoltage current limiting, high-low voltage isolation and the like, rectifying and filtering the alternating current high voltage through special grade electronic materials to obtain pure direct current negative high voltage and direct current positive high voltage, and connecting the direct current negative high voltage and the direct positive high voltage to a transmitting end through a power line; the high-voltage power supply conversion module is applied to a wall-mounted air conditioner, the high-voltage power supply is assembled on the left side or the right side of an air outlet of the wall-mounted air conditioner, the higher the output voltage of the ion generator is, the stronger the ionization capacity is, the larger the generated ion quantity is, but the higher the output voltage is, the more complex an internal boosting circuit is required, the higher the requirements on components are, and the higher the cost is, so that comprehensive consideration is required. The high-voltage power supply converts the output negative high voltage and positive high voltage to be generally equally distributed to each emission head. The high-voltage power supply is internally provided with a voltage distribution module which can selectively distribute voltage to each emission head, so that each emission head can generate ions with different concentrations under different voltages.
It should be noted that the above-mentioned embodiments are only used for illustrating the principle of the present invention, and are not intended to limit the protection scope of the present invention, and those skilled in the art can modify the above-mentioned structure so that the present invention can be applied to more specific application scenarios without departing from the principle of the present invention.
For example, in an alternative embodiment, the air outlet pillar 2 may be a pillar structure, or a rod structure, as long as the opening and closing of the derivative negative pressure region 8 and the first air outlet 4 can be achieved, without departing from the principle of the present invention, and therefore, all will fall within the protection scope of the present invention.
For example, in another alternative embodiment, the air deflector 3 may be rotatably connected to the housing 1, slidably connected to the housing 1, or drawn out from the housing 1, as long as effective opening and closing of the second air outlet 5 can be achieved, without departing from the principle of the present invention, and therefore, all of them will fall within the protection scope of the present invention.
Those skilled in the art will understand that the indoor unit further includes some other well-known structures, such as a processor, a controller, a memory, etc., where the memory includes, but is not limited to, a random access memory, a flash memory, a read only memory, a programmable read only memory, a volatile memory, a non-volatile memory, a serial memory, a parallel memory or a register, etc., and the processor includes, but is not limited to, a CPLD/FPGA, a DSP, an ARM processor, a MIPS processor, etc. Such well-known structures are not shown in the drawings in order to not unnecessarily obscure embodiments of the present disclosure.
Although the foregoing embodiments have described the steps in the above sequential order, those skilled in the art will understand that, in order to achieve the effect of the present embodiment, the different steps need not be executed in such an order, and may be executed simultaneously (in parallel) or in an inverse order, for example, the ion concentration detection module may detect the ion concentration in the room first, and then the detection module detects the person in the room, and these simple changes are within the protection scope of the present invention.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (6)
1. An indoor unit control method, characterized in that the indoor unit includes:
the shell is provided with a first air outlet and a second air outlet, the first air outlet faces the front of the indoor unit, and the second air outlet faces the lower part of the indoor unit;
the air outlet blocking column is arranged at the first air outlet and is in sliding connection with the shell so as to realize the opening and closing of the first air outlet and form a negative pressure area for air gathering;
the air deflector is arranged at the second air outlet and can be rotatably arranged on the shell so as to realize the opening and closing of the second air outlet;
a first ion emission module disposed within the negative pressure region;
the second ion emission module is arranged in the shell and close to the air deflector;
the personnel detection module is used for detecting the condition of indoor personnel;
the personnel detection module is in communication connection with a processor of the indoor unit;
and, the control method includes:
controlling the personnel detection module to detect the condition of indoor personnel;
according to the indoor personnel condition, controlling the position of the air outlet blocking column, the opening and closing of the air deflector, and the opening and closing of the first ion emission module and the second ion emission module so as to realize multiple different operation modes;
the step of controlling the position of the air outlet blocking column, the opening and closing of the air deflector, and the opening and closing of the first ion emission module and the second ion emission module according to the indoor personnel condition so as to realize various different operation modes comprises the following steps:
when the indoor unit is in refrigeration operation and the number of indoor people is less than a first set value, controlling the indoor unit to operate in a first air supply mode;
wherein the first air supply mode is as follows: the air outlet blocking columns are all opened, the range of the opened angle of the air deflector is smaller than or equal to a first opening, the first ion emission module works, and the second ion emission module does not work;
when the number of the indoor personnel is less than or equal to a second set value, the angle of the air deflector is less than the second opening degree and less than or equal to the first opening degree;
when the second set value is smaller than the number of the indoor personnel and smaller than the first set value, the angle of the air deflector is smaller than or equal to the second opening;
the step of controlling the position of the air outlet baffle column, the opening and closing of the air guide plate, the opening and closing of the first ion emission module and the second ion emission module according to the indoor personnel condition to realize multiple different operation modes comprises the following steps:
when the indoor unit is in refrigerating operation and the number of indoor people is larger than or equal to a first set value, controlling the indoor unit to operate in a second air supply mode;
wherein the second air supply mode is as follows: and all the air outlet blocking columns are opened, the range of the opened angle of the air deflector is equal to or less than a second opening, the first ion emission module works, and the second ion emission module works.
2. The method of claim 1, wherein the step of controlling the position of the wind-exiting barrier, the opening and closing of the wind deflector, and the opening and closing of the first ion emission module and the second ion emission module to achieve a plurality of different operation modes according to indoor personnel conditions comprises:
when the indoor unit is in heating operation and the number of indoor people is less than a first set value, controlling the indoor unit to operate a third air supply mode;
wherein the third air supply mode is as follows: and all the air outlet blocking columns are closed, the angle of the air deflector is opened within a range that the angle of the air deflector is larger than a first opening degree, the first ion emission module does not work, and the second ion emission module works.
3. The control method according to claim 2,
when the second set value is smaller than the number of the indoor personnel and smaller than the first set value, the angle of the air deflector is larger than or equal to the third opening;
when the number of the indoor personnel is less than or equal to a second set value, the angle of the air deflector is less than the third opening degree and less than or equal to a fourth opening degree;
wherein the first opening degree is less than the third opening degree.
4. The method of claim 1, wherein the step of controlling the position of the wind-exiting barrier, the opening and closing of the wind deflector, and the opening and closing of the first ion emission module and the second ion emission module to achieve a plurality of different operation modes according to indoor personnel conditions comprises:
when the indoor unit is in heating operation and the number of indoor people is larger than a first set value, controlling the indoor unit to operate a fourth air supply mode;
wherein the fourth air supply mode is: and completely closing the air outlet catch columns, wherein the angle of the air deflector is opened within the range that the third opening degree is smaller than the angle of the air deflector and is smaller than or equal to the fourth opening degree, the first ion emission module works, and the second ion emission module works.
5. The control method according to any one of claims 1 to 4, wherein the indoor unit further includes an ion concentration detection module, the ion concentration detection module being in communication connection with the processor, the control method further including:
controlling the ion concentration detection module to detect the concentration of ions in a room;
when the ion concentration is less than or equal to the concentration threshold value, the operation mode of the first ion emission module and the second ion emission module is a pure negative ion emission mode;
when the ion concentration is larger than the concentration threshold value, the operation mode of the first ion emission module and the second ion emission module is an emission mode in which positive ions and negative ions are jointly emitted.
6. The control method according to claim 1, wherein when the person detection module detects that at least one of the elderly people or children is present in the room, the first ion emission module and the second ion emission module are both controlled to operate; and/or the like and/or,
when the personnel detection module detects that the interval of indoor personnel is within a preset interval range, the first ion emission module and the second ion emission module are controlled to work.
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