CN113217991B - Indoor unit control method and indoor unit - Google Patents

Indoor unit control method and indoor unit Download PDF

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Publication number
CN113217991B
CN113217991B CN202110419025.5A CN202110419025A CN113217991B CN 113217991 B CN113217991 B CN 113217991B CN 202110419025 A CN202110419025 A CN 202110419025A CN 113217991 B CN113217991 B CN 113217991B
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China
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opening
ion emission
emission module
air
indoor
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CN113217991A (en
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郭嘉兴
王宁
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Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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Priority to CN202110419025.5A priority Critical patent/CN113217991B/en
Publication of CN113217991A publication Critical patent/CN113217991A/en
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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
    • 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
    • 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
    • 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
    • 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
    • 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
    • F24F13/12—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of sliding members
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (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 comprehensively consider the concentration of indoor pollutants and the comfort level of indoor personnel and realize intelligent and diversified adjustment of the indoor unit. 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 of controlling an indoor pollutant detection module to obtain the concentration of indoor pollutants; according to the indoor pollutant concentration, 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 are controlled to realize various air supply modes.

Description

Indoor unit control method and indoor unit
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 popular, the demand of people on the air conditioner is continuously improved, the air conditioner is not limited to simple temperature regulation, and new requirements on functions of intelligent control, indoor purification, health care and the like of the air conditioner are met. 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. In fact, the negative ions have a lot of benefits to human bodies, and after the negative ions are generated, the negative ions can be attached to the surfaces of dust particles, smog, dust, PM2.5 and the like in the air to form heavy ion settlement, so that the negative ions have the functions of reducing dust and PM2.5 in the air. Meanwhile, the positive and negative ions can be used for quickly sterilizing. It is seen that bipolar ions provide a good improvement both to the indoor environment and to human health.
In an actual household environment, people smoke, so that indoor smoke is disturbed, smoke smell is attached to indoor objects such as sofas, and the smell is difficult to fade. People who do not smoke in the room can passively smoke the 'second-hand smoke', and the physical health and the environment are affected. In practice, most of the cigarette smoke is solid particles, the concentration of which can be sensed by a sensor.
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 according to the concentration of indoor pollutants 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 comprehensively considers the comfort of indoor personnel and the influence of pollutant concentration to realize a more intelligent control method.
Disclosure of Invention
In order to solve the problems in the prior art, namely comprehensively considering the comfort level of indoor personnel and the influence of indoor pollutant concentration and realizing more intelligent control, 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; 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 pollutant concentration detection module is used for detecting the concentration of indoor pollutants; and the pollutant concentration 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 following steps,
controlling the pollutant concentration detection module to detect the concentration of indoor pollutants;
and 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 concentration of the indoor pollutants so as to realize various different operation modes.
In a preferred technical solution of the above control method, "controlling the position of the air outlet baffle 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 concentration of the indoor pollutant to realize a plurality of different operation modes" includes:
when the concentration of the indoor pollutants is larger than a first set value, the indoor unit is controlled to completely open the air outlet baffle column, the angle range of the opened air deflector is that the second opening degree is smaller than the angle range of the air deflector and is smaller than or equal to the first opening degree, the first ion emission module emits negative ions, and the second ion emission module emits negative ions.
In a preferred technical solution of the above control method, "controlling the position of the air outlet baffle 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 concentration of the indoor pollutant to realize a plurality of different operation modes" includes:
when the indoor unit is in refrigerating operation and the concentration of indoor pollutants is less than or equal to a first set value, controlling the indoor unit to completely open the air outlet baffle column, controlling the air deflector to switch the angle between a sixth opening and a seventh opening, operating the first ion module, and operating the second ion module;
the third opening degree is smaller than the sixth opening degree and smaller than the second opening degree, and the seventh opening degree is smaller than the third opening degree.
In a preferred technical scheme of the control method, when a second set value is smaller than the indoor pollutant concentration and smaller than or equal to a first set value, the air deflector is controlled to switch an angle between the sixth opening and the seventh opening at a first interval, and the first ion emission module and the second ion emission module both emit negative ions; and/or the like and/or,
when the third set value is smaller than the indoor pollutant concentration and smaller than or equal to the second set value, the air deflector is controlled to switch the angle between the sixth opening and the seventh opening at the interval of the first time, the first ion emission module emits negative ions, and the second ion emission module emits the positive ions and the negative ions.
In a preferred technical scheme of the control method, when a fourth set value is smaller than or equal to a third set value, the air deflector is controlled to switch an angle between the sixth opening and the seventh opening at intervals of second time, the first ion emission module emits negative ions, and the second ion emission module emits positive and negative ions; and/or the like and/or,
when the concentration of the indoor pollutants is smaller than a second set value, controlling the air deflector to switch the angle between the sixth opening and the seventh opening once at an interval of the second set value and the fourth set value, wherein the first ion emission module emits the negative ions, and the second ion emission module emits the positive ions;
wherein the first time is less than the second time is less than the third time.
In a preferred technical solution of the above control method, "controlling the position of the air outlet baffle 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 concentration of the indoor pollutant to realize a plurality of different operation modes" includes:
when the indoor unit is in heating operation and the concentration of the indoor pollutants is less than or equal to a first set value, controlling the indoor unit to completely close the air outlet baffle column, controlling the air deflector to switch an angle between an eighth opening and a ninth opening, operating the first ion module, and operating the second ion module;
wherein the fourth opening degree is less than or equal to the eighth opening degree and less than the fifth opening degree, and the ninth opening degree is greater than or equal to the fifth opening degree.
In a preferred technical scheme of the control method, when a second set value is smaller than the indoor pollutant and smaller than or equal to a first set value, the air deflector is controlled to switch an angle between the eighth opening and the ninth opening at a first interval, and the first ion emission module and the second ion emission module both emit negative ions; and/or the like and/or,
when the third set value is smaller than the indoor pollutant and smaller than or equal to the second set value, the air deflector is controlled to switch the angle between the eighth opening and the ninth opening at the interval of the first time, the first ion emission module emits positive and negative ions, and the second ion emission module emits negative ions.
In a preferred technical scheme of the control method, when a fourth set value is smaller than or equal to a third set value of the indoor pollutants, the air deflector is controlled to switch an angle between the eighth opening and the ninth opening at a second time interval, the first ion emission module emits positive and negative ions, and the second ion emission module emits negative ions; and/or the like and/or,
when the fifth set value is smaller than the indoor pollutant and smaller than or equal to the fourth set value, the air deflector is controlled to switch the angle between the eighth opening and the ninth opening at a third time interval, the first ion emission module emits positive and negative ions, and the second ion emission module emits negative ions.
In a preferred technical solution of the above control method, the step of controlling the position of the air outlet baffle 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 concentration of the indoor pollutants to realize a plurality of different operation modes further includes;
and controlling the air speed of the air supplied by the indoor unit according to the concentration of the indoor pollutants, wherein the higher the concentration of the indoor pollutants is, the faster the air speed is.
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 pollutant concentration detection module is used for detecting the concentration of indoor pollutants; and the pollutant concentration detection module is in communication connection with a processor of the indoor unit. In the technical scheme of the invention, the invention also provides an indoor unit control method, which is used for controlling the pollutant concentration detection module to detect the concentration of indoor pollutants; according to the indoor pollutant concentration, 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 are controlled so as to realize multiple different operation modes.
Through the arrangement mode, the indoor unit control method can control the air supply mode of the indoor unit according to the concentration of indoor personnel pollutants, further control the working states of the first ion emission module and the second ion emission module, and can realize diversified operation modes of the indoor unit by combining the control of the air speed of the indoor unit, thereby not only ensuring the comfort level of human body feeling, but also further purifying the indoor air and removing peculiar smell, and simultaneously ensuring that the human body can 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 shell and is close to the air deflector; the indoor unit is provided with an indoor pollutant concentration detection module for detecting the concentration of indoor pollutants. According to the concentration of indoor pollutants, the air supply mode of the indoor unit and the running states of the first ion emission module and the second ion emission module are adjusted, and diversified running states are realized in the cooling and heating modes. Not only can realize the purification of room air, can also realize ensureing indoor temperature regulation's effect and personnel's comfort level, whole more intelligent.
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 diagram 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 numerals:
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 an indoor unit as an example, it is obvious that the present invention may be applied to other various 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 pollutant concentration detection module (not shown in the figure) for detecting the concentration of indoor pollutants; and the pollutant concentration detection module is in communication connection with a processor of the indoor unit.
The setting mode has the advantages that: the indoor unit is provided with two air outlets, 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 converged together after passing through the air outlet retaining column 2, the air speed is extremely low at a position close to the indoor side of the air outlet retaining column 2, the air speed is very high before, and the area with the 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 in the indoor unit base, passes through a small hole on the outer side of the base and is exposed on the outer side 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 at the moment. 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 cold air angle obviously rises, 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 forwards until the first air outlet 4 is 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 comprises the following steps: 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 generate 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; the negative ions and the surfaces of dust particles, smog, dust, PM2.5 and the like in the air are attached to form heavy ions to be settled, so that the effects of health care of a human body and indoor dust removal can be realized.
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 negative ion emission head and the positive ion emission head adopt special composite carbon fibers resistant to electric corrosion as emission ends, hundreds of small carbon fibers are arranged in one emission end, the dispersed fluffy state is presented, each fiber head is an emission electrode, the 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 easy permeation and the easy absorption are realized, 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 ten million level.
As shown in fig. 9, the indoor unit control method of the present invention includes:
s100, controlling a pollutant concentration detection module to detect the concentration of indoor pollutants;
and S200, controlling the position of the air outlet baffle column 2, the opening and closing of the air deflector 3, and the opening and closing of the first ion emission module 6 and the second ion emission module 7 according to the concentration of indoor pollutants so as to realize various different operation modes.
The setting mode has the advantages that: pollutant concentration detection module can detect indoor pollutant concentration, like PM2.5, PM10 etc. and the indoor set is adjusted the indoor set according to the indoor personnel condition and is realized diversified air supply mode, can effectively purify room air, guarantees the quality of room air, lets the indoor personnel breathe more healthy air, considers indoor personnel's comfort level simultaneously, realizes more intelligent regulation.
In a preferred embodiment, the pollutant concentration detection module is a PM2.5 sensor.
In one possible implementation, step S200 includes:
when the concentration of indoor pollutants is larger than a first set value, the indoor unit is controlled to completely open the air outlet baffle column 2, the range of the angle of the air deflector 3 is opened, the angle of the air deflector 3 is smaller than a second opening degree and smaller than or equal to the first opening degree, the first ion emission module 6 emits negative ions, and the second ion emission module 7 emits negative ions.
In one possible implementation, step S200 includes:
when the indoor unit is in refrigeration operation and the concentration of indoor pollutants is less than or equal to a first set value, the indoor unit is controlled to completely open the air outlet baffle column 2, the air deflector 3 is controlled to switch the angle between a sixth opening and a seventh opening, the first ion module operates, and the second ion module operates;
wherein the third opening degree is less than the sixth opening degree and less than or equal to the second opening degree, and the seventh opening degree is less than or equal to the third opening degree.
When the second set value is larger than the indoor pollutant concentration and is smaller than or equal to the first set value, the air deflector 3 is controlled to switch the angle between the sixth opening and the seventh opening at the first interval, and the first ion emission module 6 and the second ion emission module 7 both emit negative ions;
when the third set value is larger than the indoor pollutant concentration and smaller than or equal to the second set value, the air deflector 3 is controlled to switch the angle between the sixth opening and the seventh opening at a first time interval, the first ion emission module 6 emits negative ions, and the second ion emission module 7 emits positive and negative ions;
when the concentration of the indoor pollutants is greater than the fourth set value and less than or equal to the third set value, the air deflector 3 is controlled to switch the angle between the sixth opening and the seventh opening at intervals of second time, the first ion emission module 6 emits negative ions, and the second ion emission module 7 emits positive and negative ions;
when the concentration of the indoor pollutants is greater than the fifth set value and less than or equal to the fourth set value, the air deflector 3 is controlled to switch the angle between the sixth opening and the seventh opening at intervals of the third time, the first ion emission module 6 emits negative ions, and the second ion emission module 7 emits positive and negative ions;
wherein the first time is less than the second time and less than the third time.
In one possible implementation, step S200 includes:
when the indoor unit is in heating operation and the concentration of indoor pollutants is less than or equal to a first set value, the indoor unit is controlled to completely close the air outlet baffle column 2, the air deflector 3 is controlled to switch the angle between the eighth opening and the ninth opening, the first ion module operates, and the second ion module operates;
the fourth opening degree is smaller than or equal to the eighth opening degree and smaller than the fifth opening degree, and the ninth opening degree is larger than or equal to the fifth opening degree;
when the second set value is larger than the indoor pollutant and is smaller than or equal to the first set value, the air deflector 3 is controlled to switch the angle between the eighth opening and the ninth opening at a first interval, and the first ion emission module 6 and the second ion emission module 7 both emit negative ions;
when the third set value is larger than the indoor pollutant and smaller than or equal to the second set value, the air deflector 3 is controlled to switch the angle between the eighth opening and the ninth opening at the first interval, the first ion emission module 6 emits positive and negative ions, and the second ion emission module 7 emits negative ions;
when the fourth set value is larger than the indoor pollutant and is smaller than or equal to the third set value, the air deflector 3 is controlled to switch the angle between the eighth opening and the ninth opening at intervals of second time, the first ion emission module 6 emits positive and negative ions, and the second ion emission module 7 emits negative ions;
when the fifth set value is larger than the indoor pollutant and is smaller than or equal to the fourth set value, the air deflector 3 is controlled to switch the angle between the eighth opening and the ninth opening at a third time interval, the first ion emission module 6 emits positive and negative ions, and the second ion emission module 7 emits negative ions.
In one possible implementation, step S200 includes:
and controlling the air speed of the air supplied by the indoor unit according to the concentration of the indoor pollutants, wherein the higher the concentration of the indoor pollutants is, the faster the air speed is.
In particular, in a home environment, if people smoke, smoke in a room is disturbed and cannot be dispersed for a long time, and unpleasant smoke can be attached to indoor objects, so that people who do not smoke are suffered from 'second-hand smoke', and the health is greatly influenced. The anion has good effect on removing the smoke and can remove the smoke smell, thereby being a great advantage for purifying the smoke in families of people who have smoking. Most of the cigarette smoke is solid particles, and a PM2.5 sensor is used for detecting the cigarette smoke so as to judge whether people smoke indoors. When the concentration of negative ions in the indoor air reaches 2 ten thousand/cm 3, the amount of floating dust in the air can be reduced by more than 98%. The smaller the diameter of the fly ash is, the more easily the fly ash is precipitated by the action of negative ions, so that the content of dust particles, bacteria and viruses with the diameter of less than 1um is almost zero in the air with high concentration of negative ions.
In one possible embodiment, the PM2.5 concentration in the room reaches 250 μ g/m when the pollutant detection module detects that the PM2.5 concentration in the room reaches 250 μ g/m 3 In the above process, the indoor unit operates in the maximum air supply mode, the air supply speed is in a strong gear, and the first ion emission module 6 and the second ion emission module 7 both emit negative ions.
When the particle size is 150 mu g/m 3 The concentration of < indoor PM2.5 is less than or equal to 250 mu g/m 3 When the indoor unit operates in the maximum air supply mode, the air supply speed is high, and the first ion emission module 6 and the second ion emission module 7 both emit negative ions.
When the concentration is 115 mu g/m 3 The concentration of < indoor PM2.5 is less than or equal to 150 mu g/m 3 When the indoor air conditioner is in a refrigerating mode, the indoor unit is switched between a default cold air mode and a limit cold air mode at an interval of 2min, the air supply speed is high air, and the first ion emission module 6 and the second ion emission module 7 both emit negative ions; if the indoor space is in a heating mode, the indoor unit is switched between the default hot air mode and the limit hot air mode once at an interval of 2min, the air supply speed is high air, and the first ion emission module 6 and the second ion emission module 7 both emit negative ions.
When the concentration is 75 mu g/m 3 The concentration of < indoor PM2.5 is less than or equal to 115 mu g/m 3 If the indoor space is in a refrigerating mode, the indoor unit is switched between a default cold air mode and a limit cold air mode at an interval of 2min, the air supply speed is in a stroke state, the first ion emission module 6 emits negative ions, and the second ion emission module 7 emits positive and negative ions; if the indoor space is in a heating mode, the indoor unit is switched between a default hot air mode and a limit hot air mode at an interval of 2min, the air supply speed is in a stroke range, the first ion emission module 6 emits positive and negative ions, and the second ion emission module 7 emits negative ions.
When the concentration is 35 mu g/m 3 The concentration of PM2.5 in the room is less than or equal to 75 mu g/m 3 If the indoor space is in a refrigeration mode, the indoor unit is switched between the default cold air mode and the limit cold air mode once at an interval of 5min, the air supply speed is low, the first ion emission module 6 emits negative ions, and the second ion emission module 7 emits positive and negative ions; if the indoor space is in a heating mode, the indoor unit is switched between a default hot air mode and a limit hot air mode at an interval of 5min, the air supply speed is low, the first ion emission module 6 emits positive and negative ions, and the second ion emission module 7 emits negative ions.
When the concentration of PM2.5 in the room is less than or equal to 35 mu g/m 3 If the indoor space is in a refrigeration mode, the indoor unit is switched between the default cold air mode and the limit cold air mode once at an interval of 10min, the air supply speed is low, the first ion emission module 6 emits negative ions, and the second ion emission module 7 emits positive and negative ions; if the indoor space is in a heating mode, the indoor unit is switched between the default hot air mode and the limit hot air mode once at an interval of 10min, the air supply speed is low, the first ion emission module 6 emits positive and negative ions, and the second ion emission module 7 emits negative ions.
The setting mode has the advantages that: when the concentration of indoor pollutants is high, the first ion emission module 6 and the second ion emission module 7 both emit negative ions for dust removal and purification, the indoor unit runs in a maximum air supply mode, the air speed is high air, the negative ions emitted by the first ion emission module 6 and the second ion emission module 7 can be effectively blown out and diffused to various indoor places, and a more effective dust removal and purification function is achieved. After the concentration of indoor pollutants is reduced, the wind speed can be reduced according to the actual use condition, and the size of the air outlet is adjusted to make indoor personnel more comfortable. When the concentration of indoor pollutants is at a lower level, one of the first ion emission module 6 and the second ion emission mode emits negative ions, and the other one of the first ion emission module and the second ion emission mode emits positive and negative ions, so that the functions of health care and sterilization can be realized on the basis of further purifying indoor air.
Particularly, the indoor unit further comprises an ion generating device. The indoor unit 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 oscillating 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 pure 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-on 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 complicated 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 wind-blocking pillar 2 may be a column-shaped structure, or a rod-shaped structure, as long as the opening and closing of the derivative negative pressure region 8 and the first wind outlet 4 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.
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 appreciate that the indoor unit described above may also include other known structures, such as a processor, a controller, a memory, etc., where the memory includes, but is not limited to, a ram, a flash memory, a rom, a prom, 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, an 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 air conditioner comprises a shell, a first air outlet and a second air outlet, wherein the shell is provided with the first air outlet and the 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 pollutant concentration detection module is used for detecting the concentration of indoor pollutants;
the pollutant concentration detection module is in communication connection with a processor of the indoor unit; and, the control method includes:
controlling the pollutant concentration detection module to detect the indoor pollutant concentration;
controlling the position of the air outlet baffle 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 concentration of the indoor pollutants so as to realize various 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 concentration of the indoor pollutants so as to realize various different operation modes comprises the following steps:
when the concentration of the indoor pollutants is larger than a first set value, controlling the indoor unit to completely open the air outlet baffle column, wherein the range of the opened angle of the air deflector is that the second opening degree is larger than the angle of the air deflector and is smaller than or equal to the first opening degree, the first ion emission module emits negative ions, and the second ion emission module emits negative ions;
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 concentration of the indoor pollutants so as to realize various different operation modes comprises the following steps:
when the indoor unit is in refrigeration operation and the concentration of the indoor pollutants is less than or equal to a first set value, controlling the indoor unit to completely open the air outlet baffle column, controlling the air deflector to switch an angle between a sixth opening and a seventh opening, operating the first ion module, and operating the second ion module;
the third opening degree is greater than the sixth opening degree and is smaller than or equal to the second opening degree, and the seventh opening degree is smaller than or equal to the third opening degree;
when the concentration of the indoor pollutants is smaller than a first set value, controlling the air deflector to switch the angle between the sixth opening and the seventh opening at a first time interval, wherein the first ion emission module and the second ion emission module both emit negative ions;
when the third set value is smaller than the indoor pollutant concentration and smaller than or equal to the second set value, the air deflector is controlled to switch the angle between the sixth opening and the seventh opening at the interval of the first time, the first ion emission module emits negative ions, and the second ion emission module emits the positive ions and the negative ions.
2. The control method according to claim 1,
when the concentration of the indoor pollutants is smaller than a third set value, controlling the air deflector to switch the angle between the sixth opening and the seventh opening once at intervals of second time, wherein the first ion emission module emits negative ions, and the second ion emission module emits positive and negative ions;
when the concentration of the indoor pollutants is smaller than a second set value, controlling the air deflector to switch the angle between the sixth opening and the seventh opening once at an interval of the second set value and the fourth set value, wherein the first ion emission module emits the negative ions, and the second ion emission module emits the positive ions;
wherein the first time is less than the second time is less than the third time.
3. The method of claim 1, wherein the step of controlling the position of the wind exit 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 the indoor pollutant concentration comprises:
when the indoor unit is in heating operation and the concentration of the indoor pollutants is less than or equal to a first set value, controlling the indoor unit to completely close the air outlet baffle column, controlling the air deflector to switch an angle between an eighth opening and a ninth opening, operating the first ion module, and operating the second ion module;
wherein the fourth opening degree is less than or equal to the eighth opening degree and less than the fifth opening degree, and the ninth opening degree is greater than or equal to the fifth opening degree.
4. The control method according to claim 3,
when the second set value is smaller than the indoor pollutant and smaller than or equal to the first set value, controlling the air deflector to switch the angle between the eighth opening and the ninth opening at a first time interval, wherein the first ion emission module and the second ion emission module both emit negative ions;
when the third set value is smaller than the indoor pollutant and smaller than or equal to the second set value, the air deflector is controlled to switch the angle between the eighth opening and the ninth opening at the interval of the first time, the first ion emission module emits positive and negative ions, and the second ion emission module emits negative ions.
5. The control method according to claim 3,
when the fourth set value is smaller than the indoor pollutant and smaller than or equal to the third set value, controlling the air deflector to switch the angle between the eighth opening and the ninth opening at a second time interval, wherein the first ion emission module emits positive and negative ions, and the second ion emission module emits negative ions;
when the fifth set value is smaller than the indoor pollutant and smaller than or equal to the fourth set value, the air deflector is controlled to switch the angle between the eighth opening and the ninth opening at an interval of third time, the first ion emission module emits positive and negative ions, and the second ion emission module emits negative ions.
6. The method according to any one of claims 1 to 5, wherein the step of controlling the position of the wind exit 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 according to the indoor pollutant concentration to realize a plurality of different operation modes further comprises;
and controlling the air speed of the air supplied by the indoor unit according to the concentration of the indoor pollutants, wherein the higher the concentration of the indoor pollutants is, the faster the air speed is.
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