CN113091144B - Air cleaning control method for air conditioner - Google Patents

Air cleaning control method for air conditioner Download PDF

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Publication number
CN113091144B
CN113091144B CN202110309060.1A CN202110309060A CN113091144B CN 113091144 B CN113091144 B CN 113091144B CN 202110309060 A CN202110309060 A CN 202110309060A CN 113091144 B CN113091144 B CN 113091144B
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Prior art keywords
air
gear
blower
carbon dioxide
heating
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CN113091144A (en
Inventor
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
Original Assignee
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 CN202110309060.1A priority Critical patent/CN113091144B/en
Publication of CN113091144A publication Critical patent/CN113091144A/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
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying 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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • 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
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • 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
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • F24F2110/70—Carbon dioxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/22—Cleaning ducts or apparatus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention belongs to the field of intelligent air conditioners, and particularly provides an air cleaning control method for an air conditioner. The invention aims to solve the problem that the indoor air quality is poor due to the closing of doors and windows when the existing air conditioner operates. To this end, the control method of the air conditioner of the present invention includes: judging whether a person is on the intelligent mattress; when the judgment result is yes, acquiring the body movement information and the heart rate information of the user detected by the intelligent mattress; determining an operation gear of the air feeder based on the body movement information and the heart rate information; and controlling the air blower to operate according to the operating gear. The advantages are that: the running gear of the air feeder during the carbon dioxide adsorption operation can be intelligently controlled according to the body movement frequency and the heart rate of the user, so that the sleep quality of the user and the influence of the indoor carbon dioxide concentration on the body health of the user are considered, and the comprehensive comfort of the user is improved; the air purification does not need heat exchange, and the phenomenon of local supercooling or overheating in the room can be avoided.

Description

Air cleaning control method for air conditioner
Technical Field
The invention belongs to the technical field of intelligent air conditioners, and particularly provides an air cleaning control method for an air conditioner.
Background
Along with the improvement of people's standard of living, more and more people use the air conditioner, and people are also higher and higher to the air supply quality requirement of air conditioner, however in the room that uses the air conditioner, in order to reach best heat transfer effect, indoor door and window is closed, can cause the air not circulate like this, and it is uncomfortable to have prolonged can lead to the human body to suppress.
Currently, when an air conditioner is turned on, the way to clean the indoor air generally includes: the new air blower is installed or products such as an air conditioner with a new air function are selected, the purpose of air exchange is achieved by introducing outdoor air, and therefore the indoor air is enabled to be fresh, however, in some scenes, for example, the indoor air is dirty, in order to achieve the purpose of quick air exchange, a user adjusts the gear of a new air mode to be the highest, however, the user falls asleep unwittingly when watching a mobile phone or reading, but the new air function of the air conditioner continues to operate, and the air conditioner with the new air function easily causes the phenomenon that the indoor local temperature is too cold or too hot when operating, and under the condition, the user falling asleep is easy to catch a cold due to temperature mutation, and further body discomfort is caused.
Accordingly, there is a need in the art for a new air cleaning control method for an air conditioner to solve the problem that the quality of indoor air is deteriorated due to the closing of the door and window when the existing air conditioner is operated.
Disclosure of Invention
In order to solve the problems in the prior art, namely to solve the problem that the indoor air quality is easy to deteriorate due to the closing of doors and windows when the existing air conditioner operates, the invention provides an air cleaning control method for the air conditioner, wherein the air conditioner is in communication connection with an intelligent mattress and comprises an indoor unit, the indoor unit is provided with an air cleaning module, the air cleaning module is provided with an air inlet and an air outlet, an air inlet channel is formed between the air inlet and the air outlet, and a blower and a foul air adsorption unit are arranged in the air inlet channel; the control method comprises the following steps: judging whether a person is on the intelligent mattress; when the judgment result is yes, acquiring the body movement information and the heart rate information of the user detected by the intelligent mattress; determining an operating gear of the blower based on the body movement information and the heart rate information; and controlling the air blower to operate according to the operation gear.
In a preferred embodiment of the above air cleaning control method for an air conditioner, the step of "determining the operation range of the blower based on the body movement information and the heart rate information" further includes: when ft > ft 1 When P > P 3 Determining that the running gear of the air feeder is high; and/or when ft > ft 1 And when P is 2 ＜P≤P 3 Determining that the running gear of the air blower is a middle gear; and/or when ft > ft 1 And when P is 1 ＜P≤P 2 Determining that the running gear of the air blower is a low gear; and/or when ft ≦ ft 1 And when P > P 3 Determining that the running gear of the air blower is a middle gear; and/or when ft ≦ ft 1 And when P is 2 ＜P≤P 3 Determining that the running gear of the air blower is a middle gear; and/or when ft ≦ ft 1 When P is not present, and 1 ＜P≤P 2 determining that the running gear of the air blower is a low gear; where P is the detected heart rate value, P 1 、P 2 、P 3 Is a preset heart rate value, ft is a detected body motion frequency value, ft 1 Is a preset body motion frequency value.
In a preferred technical solution of the above air cleaning control method for an air conditioner, the step of "determining whether there is a person on the intelligent mattress" further includes: and acquiring human body induction information detected by the intelligent mattress, and judging whether a person is in the bed or not based on the human body induction information.
In the above preferred technical scheme of the air cleaning control method for the air conditioner, the air cleaning module is further provided with an exhaust port, a purification channel is formed between the air inlet and the exhaust port, the air outlet is provided with an air inlet valve, the exhaust port is provided with an exhaust valve, and the air feeder and the foul air adsorption unit are arranged at the air inlet.
In a preferred embodiment of the above air cleaning control method for an air conditioner, the indoor unit further includes a carbon dioxide detection module, and after the step of "controlling the blower to operate according to the operation gear", the control method further includes: acquiring indoor carbon dioxide concentration; judging whether desorption conditions are met or not based on the concentration of the carbon dioxide; and when the desorption condition is met, carrying out desorption operation on the foul gas adsorption unit.
In a preferred embodiment of the above air cleaning control method for an air conditioner, the desorption conditions are as follows: the carbon dioxide concentration is not reduced and continues for a first preset time.
In a preferred technical solution of the above air cleaning control method for an air conditioner, the foul air adsorption unit specifically includes a solid amine adsorption module and a heating module, and the step of "performing desorption operation on the foul air adsorption unit" specifically includes: controlling the exhaust valve to be opened and the air inlet valve to be closed, controlling the heating module to heat the solid amine adsorption block, and controlling the air blower to operate.
In the above-described preferred embodiment of the air cleaning control method for an air conditioner, the step of "controlling the heating module to heat the solid amine adsorption block and controlling the blower to operate" further includes: determining an operation gear of the air blower, and a heating temperature and heating time of the heating module based on the body movement information and the heart rate information, controlling the air blower to operate according to the operation gear, and controlling the heating module to operate at the heating temperature and the heating time.
In the above-described preferred embodiment of the air cleaning control method for an air conditioner, the operation range of the blower, the heating temperature of the heating module, and the heating load are determined "based on the body movement information and the heart rate informationHot time "further comprises: when ft is greater than ft1, and when P is greater than P3, determining that the blower operation gear is high, the heating temperature of the heating module is T2, and the heating time is T4; and/or when ft > ft 1 And when P is 2 ＜P≤P 3 When the temperature is high, the operation gear of the air feeder is determined to be high, and the heating temperature of the heating module is T 1 Heating time t 3 (ii) a And/or when ft > ft 1 When P is not present, and 1 ＜P≤P 2 when the temperature is high, the operation gear of the air feeder is determined to be a low gear, and the heating temperature of the heating module is determined to be T 2 Heating time t 2 (ii) a And/or when ft ≦ ft 1 When P > P 3 When the temperature is higher than the preset temperature, the running gear of the air feeder is determined to be a low gear, and the heating temperature of the heating module is T 2 Heating time t 2 (ii) a And/or when ft ≦ ft 1 When P is not present, and 2 ＜P≤P 3 when the temperature is higher than the preset temperature, the running gear of the air feeder is determined to be a low gear, and the heating temperature of the heating module is T 2 Heating time t 2 (ii) a And/or when ft ≦ ft 1 And when P is 1 ＜P≤P 2 When the temperature is higher than the preset temperature, the running gear of the air feeder is determined to be a low gear, and the heating temperature of the heating module is T 1 Heating time t 1 (ii) a Wherein, T 1 ＜T 2 ，t 1 ＞t 2 ＞t 3 ＞t 4 。
In a preferred technical solution of the above air cleaning control method for an air conditioner, the indoor unit further includes a carbon dioxide detection module, and after the step of "determining whether there is a person on the intelligent mattress", the method further includes: when the judgment result is negative, acquiring the indoor carbon dioxide concentration; when C > C 2 When the air blower runs, the air blower is controlled to run; when C is less than or equal to C 2 When the air blower is started, the air blower is controlled to be turned off; wherein C is the detected carbon dioxide concentration in the environment, C 2 Is a preset carbon dioxide concentration. .
As can be understood by those skilled in the art, in the technical scheme of the invention, when air cleaning is required, the blower is started, indoor air enters the air inlet channel from the air inlet, then carbon dioxide is adsorbed by the foul adsorption unit, and purified fresh air is discharged into the room again from the air outlet so as to enable the indoor air to be fresh. The control method comprises the following steps: judging whether a person is on the intelligent mattress; when the judgment result is yes, acquiring the body movement information and the heart rate information of the user detected by the intelligent mattress; determining an operating gear of the blower based on the body movement information and the heart rate information; and controlling the air blower to operate according to the operating gear.
Compared with the prior art that fresh air is introduced through a fresh air module of the air conditioner to achieve the purpose of ventilation, the air conditioner does not need heat exchange during air purification, can avoid the phenomenon of local supercooling or overheating in a room, and can avoid the reduction of service life caused by frequent starting of a heat exchange module due to the use of a fresh air fan.
The air conditioner can intelligently control the operation gear of the air feeder during the carbon dioxide adsorption work according to the body movement frequency and the heart rate of the user, so as to give consideration to the sleep quality of the user and the influence of the indoor carbon dioxide concentration on the body health of the user, and improve the comprehensive comfort of the user.
Drawings
An air cleaning control method for an air conditioner and an air conditioner according to the present invention will be described with reference to the accompanying drawings. In the drawings:
fig. 1 is a schematic structural view of an indoor unit of an air conditioner according to the present invention.
FIG. 2 is a schematic structural diagram of an air cleaning module of an indoor unit of an air conditioner according to the present invention;
FIG. 3 is a schematic view of an air cleaning module of an indoor unit of an air conditioner according to the present invention;
FIG. 4 is a schematic diagram illustrating main steps of an air cleaning control method for an air conditioner according to the present invention;
fig. 5 is a carbon dioxide concentration level-quality-grade relation table of the air cleaning control method for an air conditioner according to the present invention;
fig. 6 is a table showing a desorption mode-blower gear position-heating temperature-heating time-desorption efficiency-energy consumption-noise relationship in the air cleaning control method for an air conditioner according to the present invention.
List of reference numbers:
1-an indoor unit; 11-an air cleaning module; 111-air inlet; 112-air outlet; 113-an exhaust port; 114-a blower; 115-a foul gas adsorption unit; 116-an intake valve; 117-exhaust valve.
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.
As shown in fig. 1 to 3, in order to solve the problem that the quality of indoor air is easily deteriorated due to the closing of doors and windows when the conventional air conditioner operates, the air conditioner of the present invention is in communication connection with an intelligent mattress, and includes an indoor unit 1, the indoor unit 1 is provided with an air cleaning module 11, the air cleaning module 11 is provided with an air inlet 111 and an air outlet 112, an air inlet channel is formed between the air inlet 111 and the air outlet 112, and the air inlet channel is provided with a blower 114 and a foul air adsorption unit 115. When air cleaning is required, the present invention is described by taking carbon dioxide as an example, the blower 114 is turned on, indoor air enters the air inlet channel through the air inlet 111, then the carbon dioxide is adsorbed by the foul air adsorption unit 115, and the purified fresh air is discharged into the room again through the air outlet 112, so that the indoor air becomes fresh.
Further, the air cleaning module 11 is further provided with an air outlet 113, a cleaning channel is formed between the air inlet 111 and the air outlet 113, the air outlet 112 is provided with an air inlet valve 116, the air outlet 113 is provided with an air outlet valve 117, and the blower 114 and the foul air adsorption unit 115 are arranged at the air inlet 111. Namely, the air cleaning module 11 of the air conditioner of the present invention also has a function of desorbing carbon dioxide. When the carbon dioxide in the room needs to be adsorbed, the air inlet valve 116 is opened, the air outlet valve 117 is closed, the blower 114 operates, the indoor air enters the air inlet channel from the air inlet 111, the carbon dioxide is adsorbed by the foul adsorption unit 115, and then the purified fresh air is discharged into the room again from the air outlet 112; when the carbon dioxide in the room needs to be desorbed, the air inlet valve 116 is closed, the air outlet valve 117 is opened, the blower 114 is operated, and the carbon dioxide on the foul air adsorption unit 115 is discharged to the outside of the room through the air outlet 113 of the purification passage by the blower 114.
The air conditioner of the present invention may be any type of air conditioner, such as an on-hook air conditioner, a cabinet air conditioner, or a multi-split air conditioner. The air conditioner of the present invention will be described by taking a home-type air conditioner as an example.
The setting mode has the advantages that: compared with the prior art that fresh air is introduced through a fresh air module of the air conditioner to achieve the purpose of air exchange, the air conditioner does not need heat exchange during air purification, can avoid the phenomenon of local supercooling or overheating in a room, and can avoid the reduction of service life caused by frequent starting of a heat exchange module due to the use of a fresh air fan.
As shown in fig. 4, the present invention provides an air cleaning control method for an air conditioner, comprising the steps of:
step S100: and judging whether a person is on the intelligent mattress.
The air conditioner of the invention is an internet air conditioner, can be in communication connection with the intelligent mattress, can acquire the detection information of the intelligent mattress, and as a preferred embodiment, the judgment of whether a person is on the intelligent mattress is carried out based on the following method: the method comprises the steps of obtaining human body induction information detected by the intelligent mattress, and judging whether a person is on the mattress or not based on the human body induction information, wherein the intelligent mattress can detect whether the person is on the mattress or not in various modes, for example, the intelligent mattress has bed induction, whether the person is on the mattress or not can be sensed through a weight sensor, and whether the person is on the mattress or not can be detected through an infrared detector and the like; of course, it is within the scope of the present invention to determine whether there is a person on the intelligent mattress by other methods, for example, by using a camera connected to the air conditioner, or by using an infrared detection module connected to the air conditioner.
Step S200: and when the judgment result is yes, acquiring the body movement information and the heart rate information of the user detected by the intelligent mattress.
When detecting that there is the people on the intelligent mattress, acquire the user's that intelligent mattress detected body movement information and heart rate information promptly. As one possible implementation mode, the invention expresses the body movement information of the user by the body movement frequency, and the body movement information is divided into two grades, namely high grade and low grade, when ft is larger than ft 1 When the user moves the frequency of the body movement in the high level, the ft is less than or equal to ft 1 When the user's body movement frequency is ranked "low", where ft is the detected body movement frequency value, ft 1 Is a preset body motion frequency value. In addition, the heart rate information of the user is divided into three levels, namely high level, high level and normal level, when P is more than P 3 When the heart rate level of the user is "high", when P 2 ＜P≤P 3 When the heart rate rating of the user is "higher", when P 1 ＜P≤P 2 When the heart rate level of the user is "normal", where P is the detected heart rate value, P 1 、P 2 、P 3 Is a preset heart rate value. Certainly, the body movement frequency and the heart rate can be further classified into other grades, for example, the body movement frequency can be further subdivided into 'normal' or 'higher' and the like, and the heart rate can be further subdivided into 'lower' and the like, which are all within the protection range of the invention, wherein the body movement frequency value can be detected by a body movement sensing device arranged on the intelligent mattress, for example, a body movement recorder and the like; in addition, the heart rate can be processed by a piezoelectric film sensor and a signal processing which are arranged under the intelligent mattressThe module etc. detect, through the vibration signal of gathering human body on the mattress promptly, then carry out sampling quantization filtering to vibration signal and handle to obtain rhythm of the heart vibration signal, as long as can detect any body movement detection device and rhythm of the heart of user's body movement frequency and rhythm of the heart through intelligent mattress all can.
Step S300: and determining the operation gear of the blower based on the body movement information and the heart rate information.
As a possible embodiment, the gear of the blower according to the present invention is described as three gears, which are respectively a high gear, a middle gear, and a low gear, and when the gear of the blower is the high gear, the rotation speed of the blower is the highest, when the gear of the blower is the middle gear, the rotation speed of the blower is centered, and when the gear of the blower is the low gear, the rotation speed of the blower is low. Wherein, the adsorption or desorption work efficiency of carbon dioxide increases along with the increase of gear, and the noise increases along with the increase of gear, and the energy consumption also increases along with the increase of gear. Of course, the gear of the blower of the present invention may be any gear such as two gears or four gears, and is within the protection scope of the present invention. Hereinafter, the gear positions of the blower according to the present invention are exemplified by high, medium, and low gears.
As one possible embodiment, determining the operation gear of the blower based on the body movement information and the heart rate information is explained as follows.
When ft > ft 1 And when P > P 3 And meanwhile, determining that the running gear of the air blower is high.
In this case, the body movement frequency level of the user is "high", which indicates that the user has not yet entered a sleep state, and the heart rate level is "high", which indicates that the indoor carbon dioxide concentration is high (the carbon dioxide concentration is high, which causes an increase in respiration and heartbeat), and since the user has not fallen asleep and the indoor carbon dioxide concentration is high, in this case, the adsorption efficiency of the air conditioner to carbon dioxide is preferentially considered, so that the adsorption efficiency of carbon dioxide is maximized, and at this time, the operation gear of the blower is high.
When ft > ft 1 When P is not present, and 2 ＜P≤P 3 while determining the supply of airThe machine running gear is a middle gear.
Under the condition, the body movement frequency grade of the user is high, the condition that the user does not sleep is indicated, the heart rate grade is high, the condition that the indoor carbon dioxide concentration is high is indicated, therefore, the operation gear of the air feeder is middle gear, the adsorption efficiency of the air conditioner on the carbon dioxide can be considered, the influence of the energy consumption and the noise of the air conditioner can be considered, the heart rate of the user can be quickly recovered to be in a normal state, the noise pollution can be reduced, and the energy waste can be reduced.
When P is present 1 ＜P≤P 2 When, no matter ft > ft 1 Or ft is less than or equal to ft 1 The blower operating gear is determined to be the low gear.
Under the condition, the heart rate grade of the user is normal, which indicates that the concentration of the indoor carbon dioxide is normal at the moment, in order to ensure that the concentration of the indoor carbon dioxide is not increased any more, namely the adsorption efficiency of the air conditioner on the carbon dioxide is more than or equal to the efficiency of the indoor carbon dioxide, under the condition, no matter whether the user falls asleep or not, the operation gear of the air feeder is set to be a low gear, so that the energy consumption and the noise of the air conditioner are minimized at least under the condition that the concentration of the indoor carbon dioxide is not increased any more, the use cost is reduced, the satisfaction degree of the user is improved, of course, the concentration of the carbon dioxide is not increased any more, and only the whole trend is not increased.
When ft is less than or equal to ft 1 When P > P 3 When P is present, or when P is present 2 ＜P≤P 3 And when the air blower is in the middle gear, the running gear of the air blower is determined to be the middle gear.
In this case, the body movement frequency level of the user is "low", which indicates that the user has entered a sleep state; the heart rate grade is high or higher, which indicates that the indoor carbon dioxide concentration is high or higher, and at the moment, in order to avoid the great noise of the running of the air blower and further influence on the sleep quality of the user, the gear of the air blower is not adjusted to the highest and is adjusted to the middle gear, so that the fast carbon dioxide adsorption efficiency is achieved, and the heart rate of the user returns to the normal level at a fast speed.
In a word, the air conditioner can intelligently control the operation gear of the air feeder during the carbon dioxide adsorption work according to the body movement frequency and the heart rate of the user, so that the sleep quality of the user and the influence of the indoor carbon dioxide concentration on the body health of the user are considered, and the comprehensive comfort of the user is improved.
Step S400: and controlling the air blower to operate according to the operating gear.
After the operation gear of the blower is determined, the blower starts to operate at the operation gear, and the use effect is achieved. As one possible embodiment, the intake valve is controlled to be opened and the exhaust valve is controlled to be closed before, at the same time as, or after the blower is controlled to operate in the running gear. That is, in this case, the air conditioner has a function of adsorbing and desorbing carbon dioxide, and the above-described control method of carbon dioxide adsorption may be performed after the adsorption function has been turned on (the intake valve is opened and the exhaust valve is closed), or may be used while the adsorption function is turned on, or of course may be used before the adsorption function is turned on.
As a preferred implementation mode, the indoor unit further includes a carbon dioxide detection module for detecting the concentration of indoor carbon dioxide, further, the carbon dioxide detection module is disposed at an air inlet of the air conditioner, indoor air enters the air conditioner through the air inlet, the quality of the indoor air is detected through the carbon dioxide detection module, and a detection result is transmitted to the air conditioner through an electric signal.
In addition, when the judgment result of judging whether the intelligent mattress is occupied is negative, the carbon dioxide concentration in the room is obtained, and the starting state of the air blower is controlled based on the carbon dioxide concentration. As shown in fig. 5, the present invention will be described by taking an example in which the concentration value of carbon dioxide is divided into four levels.
When C > C 3 When C2 < C ≦ C 3 At the time, level 4 and level 3 correspond to each other, and at this time, the indoor air is turbid, which easily causes symptoms such as headache, dull and mild nausea, and therefore, in order to restore the physical state of the user to a normal level as soon as possible,at this time, the blower is operated to perform adsorption operation on the carbon dioxide in the room, and it is sufficient to continue to operate the blower if the air conditioner is already performing adsorption operation before the determination; if the air conditioner does not perform the adsorption operation, the blower is turned on.
When C is 1 ＜C≤C 2 When C is less than or equal to C 1 When the air conditioner is used, the level 2 and the level 1 correspond to each other, at this time, indoor air is fresh and smooth in breathing, or the air conditioner is similar to a common outdoor environment, at this time, the adsorption work of carbon dioxide is not needed, and the air blower is turned off in order to save energy and reduce the influence of noise, wherein the air blower is turned off if the air conditioner is already performing the adsorption work of carbon dioxide before the judgment; if the air conditioner does not perform the carbon dioxide adsorption operation, the blower may be continuously turned off.
Wherein C is the detected carbon dioxide concentration in the environment, C 1 、C 2 、C 3 Is a preset carbon dioxide concentration.
In the above carbon dioxide adsorption process, the control method further includes: acquiring indoor carbon dioxide concentration; judging whether the desorption conditions are met or not based on the concentration of the carbon dioxide; and when the desorption condition is met, carrying out desorption operation on the foul gas adsorption unit.
As a preferred embodiment, the foul air adsorbing unit includes a solid amine adsorbing module and a heating module, and when performing carbon dioxide desorption operation, the exhaust valve needs to be controlled to open, the intake valve needs to close, and the heating module needs to heat the solid amine adsorbing module, wherein the solid amine is characterized by being capable of adsorbing carbon dioxide at normal temperature, and releasing carbon dioxide after heating, wherein the amount of carbon dioxide adsorbed by the solid amine adsorbing module has a relationship with the volume of the material, and when reaching a certain degree, the solid amine adsorbing module reaches a saturated state, and when reaching the saturated state, the heating module is controlled to heat, so as to realize carbon dioxide desorption, and the desorbed carbon dioxide is discharged to the outside from the exhaust port. In general, the desorption temperature is 50-80 ℃, and the desorption rate is faster when the temperature is higher in the range, so the aim of controlling the desorption rate of the carbon dioxide can be achieved by controlling the heating temperature of the heating module. It should be noted that, the method for desorbing carbon dioxide in the foul gas adsorption unit may also adopt a method such as depressurization desorption, and the like, as long as carbon dioxide in the foul gas adsorption unit can be desorbed, which is within the protection scope of the present invention.
As a preferred embodiment, the desorption conditions are as follows: the carbon dioxide concentration is not reduced and continues for a first preset time. That is, in a normal case, when the carbon dioxide desorption operation is performed, the concentration of the carbon dioxide is gradually decreased, and when it is detected that the concentration of the carbon dioxide in the room is no longer decreased, one case is that the room air is already fresh, the carbon dioxide content is low, and the amount of the carbon dioxide that can be adsorbed is small, and the other case is that the foul adsorption unit is saturated, and the adsorption operation cannot be performed, so that the concentration of the carbon dioxide in the room is maintained within a certain concentration range for a first preset time, as a determination condition that the foul adsorption unit reaches a saturated state: the carbon dioxide concentration is not decreased and continues for the first preset time, and it should be noted that the carbon dioxide concentration is not decreased and continues for the first preset time, and the carbon dioxide concentration value in the fixed range is not extremely low to distinguish from the first case, wherein the carbon dioxide concentration is not decreased and can be judged by the change rate of the carbon dioxide concentration, for example, the change rate fluctuates less in the first preset time, and of course, can also be judged by the carbon dioxide concentration difference, for example, the concentration difference in the first preset time is low. In this case, it is assumed that the material has reached a saturated state, and at this time, the desorption condition is satisfied, and the air conditioner performs the desorption operation according to the set program. Can certainly feed back to the user through modes such as air conditioner panel, intelligent terminal APP or voice broadcast, the user sets for manually and carries out desorption work. At this time, when the air conditioner receives a desorption instruction of a user, it is considered that the desorption condition is met.
When the desorption condition is reached, the air conditioner determines the operation gear of the air feeder and the heating temperature and the heating time of the heating module based on the body movement information and the heart rate information, controls the air feeder to operate according to the operation gear, and controls the heating module to operate at the heating temperature and the heating time. The following description will be divided into cases.
As a specific embodiment, t 1 ＝20，t 2 ＝17.5，t 3 ＝15，t 4 ＝10，T 1 ＝50℃，T 2 For convenience of explanation, the desorption mode of the present invention is described as mode one, mode two, mode three and mode four, and the corresponding relationship among the blower gear, heating temperature, heating time, desorption efficiency, energy consumption and noise in each mode is shown in fig. 6.
When ft > ft 1 When P > P 3 When the temperature is high, the operation gear of the air feeder is determined to be high, and the heating temperature of the heating module is T 2 Heating time t 4 。
In this case, if the body movement frequency level of the user is "high", it indicates that the user does not enter a sleep state, and if the heart rate level is "high", it indicates that the indoor carbon dioxide concentration is high, so as to avoid the physical discomfort of the user; at this moment, because the user does not fall asleep, the desorption efficiency of the air conditioner is preferably considered, namely the gear of the air feeder is adjusted to be the highest, the heating temperature is adjusted to be the highest, the corresponding desorption mode is the mode four, the heating time is the shortest at this moment, the carbon dioxide adsorbed in the foul air adsorption unit can be desorbed with the highest desorption efficiency, so that the desorption work of the carbon dioxide can be completed at the fastest speed, the foul air adsorption unit can recover the carbon dioxide removal function at the fastest speed, and the heart rate grade of the user can reach the normal state at the fastest speed.
When ft > ft 1 And when P is 2 ＜P≤P 3 When the temperature is high, the operation gear of the air feeder is determined to be high, and the heating temperature of the heating module is T 1 Heating time t 3 。
Under the condition, the body movement frequency grade of the user is high, the user is indicated to not enter a sleeping state, the heart rate grade is high, the indoor carbon dioxide concentration is indicated to be high, at the moment, the desorption mode of the air conditioner is the mode III, the air conditioner can desorb the carbon dioxide at a high speed, so that the carbon dioxide desorption work can be completed quickly, the carbon dioxide removing function of the foul air adsorption unit can be recovered as soon as possible, the energy consumption and the noise influence of the air conditioner can be taken into account, the noise pollution can be reduced under the condition that the heart rate of the user can be rapidly recovered to a normal state, and the energy waste is reduced.
When ft > ft 1 When P is not present, and 1 ＜P≤P 2 when the temperature is high, the operation gear of the air feeder is determined to be low, and the heating temperature of the heating module is determined to be T 2 Heating time t 2 。
The user's body movement frequency grade is "high", explains that the user has not got into the state of sleep yet, and user's rhythm of the heart grade is "normal", explains that indoor carbon dioxide concentration is normal this moment, and at this moment, the desorption mode of air conditioner is mode two, because user's rhythm of the heart grade is "normal", desorption efficiency need not higher, keep in lower level can, can guarantee that indoor carbon dioxide concentration maintains normal level throughout in desorption work, can make energy consumption and noise lower again.
When ft is less than or equal to ft 1 When P > P 3 When P is present, or when P is present 2 ＜P≤P 3 When the temperature is high, the operation gear of the air feeder is determined to be low, and the heating temperature of the heating module is determined to be T 2 Heating time t 2 。
The body movement frequency level of the user is low, which indicates that the user enters a sleep state; the heart rate grade is high or higher, which indicates that the indoor carbon dioxide concentration is high or higher, at the moment, the desorption mode of the air conditioner is the mode two, namely, the running noise of the air conditioner cannot be higher in order not to influence the sleep quality of a user, and meanwhile, the mode two with the highest desorption efficiency is selected from the selectable desorption modes, so that the optimization of the comprehensive effect is achieved.
When ft is less than or equal to ft 1 And when P is 1 ＜P≤P 2 When the temperature is high, the operation gear of the air feeder is determined to be low, and the heating temperature of the heating module is determinedIs T 1 Heating time t 1 。
The body movement frequency level of the user is low, which indicates that the user enters a sleep state; the heart rate grade of the user is normal, which indicates that the indoor carbon dioxide concentration is normal, and at the moment, the desorption mode of the air conditioner is a mode I, so that the energy consumption and the noise are minimum.
In a word, the air conditioner can intelligently judge the desorption mode of the carbon dioxide, so that the sleep quality of a user and the influence of the concentration of the carbon dioxide on the body health of the user can be considered, and the comprehensive effect is optimized.
In a possible embodiment, the pipe diameter of the cleaning channel is less than or equal to 30 mm.
The setting mode has the advantages that: in the prior art, the diameter of an air conditioner with a fresh air function and a fresh air pipe communicated with the outdoor is larger, generally between 100mm and 200mm, so that when the fresh air pipe is communicated with the outdoor, because a large amount of air is required to flow to realize air exchange, a large hole needs to be drilled on a wall body independently, and the wall body is damaged.
As another preferred embodiment of the foul air adsorption unit, the foul air adsorption unit specifically includes a high-voltage electrostatic adsorption plate, and the air cleaning control method for an air conditioner of the present invention includes: and controlling the air inlet valve to be opened, controlling the exhaust valve to be closed, then controlling the air feeder to be opened, and controlling the high-voltage electrostatic adsorption plate to be started. The exhaust valve is controlled to be opened, the intake valve is controlled to be closed, the high-voltage electrostatic adsorption plate is controlled to be closed, and the blower is controlled to blow air to the high-voltage electrostatic adsorption plate so as to release dust adsorbed by the high-voltage electrostatic adsorption plate.
When the air is dirty, the physiological function of the nasal cavity can be influenced, the breathing obstacle is easily caused, and further the fluctuation of the heart rate of a user is caused, therefore, the control method is also suitable for cleaning indoor dust, when the indoor dust needs to be removed, the air inlet valve is opened, the air outlet valve is closed, indoor dirty air is introduced into the air inlet channel under the action of the air feeder, at the moment, the indoor dust can be adsorbed under the action of the high-voltage electrostatic adsorption plate, when the dust on the high-voltage electrostatic adsorption plate is saturated, or in order to achieve better dust adsorption efficiency, the high-voltage electrostatic adsorption plate is closed, and the dust on the high-voltage electrostatic adsorption plate is blown to the outside from the purification channel through the air feeder so as to release the dust adsorbed by the high-voltage electrostatic adsorption plate. It should be noted that the above-mentioned cloud adsorbing unit can adsorb carbon dioxide and dust.
In conclusion, the air conditioner can intelligently control the operation gear of the air feeder during the carbon dioxide adsorption operation according to the body movement frequency and the heart rate of the user, and can intelligently select the desorption mode during the carbon dioxide desorption operation so as to take the sleep quality of the user and the influence of the indoor carbon dioxide concentration on the body health of the user into consideration and improve the comprehensive comfort of the user. In addition, the working mode of the air conditioner is to directly purify indoor dirty air, compared with the prior art that fresh air is introduced through a fresh air module of the air conditioner to achieve the purpose of air exchange, the air conditioner does not need to exchange heat when purifying air, can avoid the phenomenon of local supercooling or overheating in a room, and can avoid the reduction of service life caused by frequent starting of a heat exchange module due to the use of a fresh air fan, and in addition, the air cleaning module does not need to use consumables such as a heat exchange filter element and the like, so that the maintenance and use cost can be reduced.
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.
In addition, the invention also provides an air conditioner, which comprises a processor and a memory, wherein the memory is suitable for storing a plurality of program codes, and the program codes are suitable for being loaded and run by the processor to execute the air cleaning control method for the air conditioner in the technical scheme.
Those skilled in the art will appreciate that the air conditioner described above may also include other known structures such as a processor, a controller, a memory, etc., wherein the memory includes but is not limited to ram, flash, rom, prom, volatile memory, non-volatile memory, serial memory, parallel memory, registers, etc., and the processor includes but is not limited to CPLD/FPGA, DSP, ARM processor, 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 describe 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, they may be executed simultaneously (in parallel) or in reverse order, and whether the desorption condition is met may be determined before the step of "controlling the blower to operate in the operating range" and such 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 (5)

1. An air cleaning control method for an air conditioner is characterized in that the air conditioner is in communication connection with an intelligent mattress and comprises an indoor unit, the indoor unit is provided with an air cleaning module, the air cleaning module is provided with an air inlet and an air outlet, an air inlet channel is formed between the air inlet and the air outlet, and a blower and a foul air adsorption unit are arranged in the air inlet channel;
the air cleaning module is also provided with an exhaust port, a purification channel is formed between the air inlet and the exhaust port, an air inlet valve is arranged at the air outlet, an exhaust valve is arranged at the exhaust port, and the air feeder and the foul air adsorption unit are arranged at the air inlet;
the indoor unit also comprises a carbon dioxide detection module; the foul gas adsorption unit specifically comprises a solid amine adsorption module and a heating module;
the control method comprises the following steps:
judging whether a person is on the intelligent mattress;
when the judgment result is yes, acquiring the body movement information and the heart rate information of the user detected by the intelligent mattress;
determining an operating gear of the blower based on the body movement information and the heart rate information;
controlling the air blower to operate according to the operation gear;
after the step of "controlling the blower to operate in the operating range", the control method further includes:
acquiring indoor carbon dioxide concentration;
judging whether desorption conditions are met or not based on the concentration of the carbon dioxide;
when the desorption condition is met, carrying out desorption operation on the foul gas adsorption unit;
the step of "performing a desorption operation on the foul gas adsorption unit" specifically comprises:
controlling the exhaust valve to be opened and the air inlet valve to be closed, controlling the heating module to heat the solid amine adsorption block, and controlling the air blower to operate;
the step of "controlling the heating module to heat the solid amine adsorption module, and controlling the blower to operate" further includes:
determining an operation gear of the air feeder, and a heating temperature and heating time of the heating module based on the body movement information and the heart rate information, controlling the air feeder to operate according to the operation gear, and controlling the heating module to operate at the heating temperature and the heating time;
the step of "determining the operation gear of the blower, the heating temperature of the heating module, and the heating time based on the body movement information and the heart rate information" further includes:
when ft > ft 1 And when P > P 3 When the temperature is high, the operation gear of the air feeder is determined to be high, and the heating temperature of the heating module is T 2 Heating time t 4 (ii) a And/or
When ft > ft 1 And when P is 2 ＜P≤P 3 When the temperature is high, the operation gear of the air feeder is determined to be high, and the heating temperature of the heating module is T 1 Heating time t 3 (ii) a And/or
When ft > ft 1 When P is not present, and 1 ＜P≤P 2 when the temperature is high, the operation gear of the air feeder is determined to be a low gear, and the heating temperature of the heating module is determined to be T 2 Heating time t 2 (ii) a And/or
When ft is less than or equal to ft 1 When P > P 3 When the temperature is higher than the preset temperature, the running gear of the air feeder is determined to be a low gear, and the heating temperature of the heating module is T 2 Heating time t 2 (ii) a And/or
When ft is less than or equal to ft 1 And when P is 2 ＜P≤P 3 When the temperature is high, the operation gear of the air feeder is determined to be a low gear, and the heating temperature of the heating module is determined to be T 2 Heating time t 2 (ii) a And/or
When ft is less than or equal to ft 1 And when P is 1 ＜P≤P 2 When the temperature is higher than the preset temperature, the running gear of the air feeder is determined to be a low gear, and the heating temperature of the heating module is T 1 Heating time t 1 ；
Wherein, T 1 ＜T 2 ，t 1 ＞t 2 ＞t 3 ＞t 4 ；
P is the detected heart rate value, P 1 、P 2 、P 3 Is a preset heart rate value, ft is a detected body motion frequency value, ft 1 Is a preset body motion frequency value.
2. The air cleaning control method for an air conditioner according to claim 1, wherein the step of determining the operation gear of the blower based on the body movement information and the heart rate information further includes:
when ft > ft 1 When P > P 3 Determining that the running gear of the air feeder is high; and/or
When ft > ft 1 And when P is 2 ＜P≤P 3 Determining that the running gear of the air blower is a middle gear; and/or
When ft > ft 1 And when P is 1 ＜P≤P 2 Determining that the running gear of the air blower is a low gear; and/or
When ft is less than or equal to ft 1 When P > P 3 Determining that the running gear of the air blower is a middle gear; and/or
When ft is less than or equal to ft 1 When P is not present, and 2 ＜P≤P 3 determining that the running gear of the air blower is a middle gear; and/or
When ft is less than or equal to ft 1 When P is not present, and 1 ＜P≤P 2 and when the running gear of the air blower is determined to be a low gear.
3. The air cleaning control method for an air conditioner according to claim 1, wherein the step of determining whether there is a person on the smart mat further comprises:
and acquiring human body induction information detected by the intelligent mattress, and judging whether a person is in the bed or not based on the human body induction information.
4. The air cleaning control method for an air conditioner according to claim 1, wherein the desorption conditions are: the carbon dioxide concentration is not reduced and continues for a first preset time.
5. The air cleaning control method for an air conditioner as claimed in claim 1, wherein the indoor unit further includes a carbon dioxide detecting module, and the step of determining whether there is a person on the smart mat further includes:
when the judgment result is negative, acquiring the indoor carbon dioxide concentration;
when C > C 2 When the air blower runs, the air blower is controlled to run;
when C is less than or equal to C 2 When the air blower is started, the air blower is controlled to be turned off;
wherein C is the detected carbon dioxide concentration in the environment, C 2 Is a preset carbon dioxide concentration.
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CN113531836A (en) * 2021-07-29 2021-10-22 青岛海尔空调器有限总公司 Control method and device for air purification, electronic equipment and storage medium
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