CN112747440A - Air cleaning control method for air conditioner and air conditioner - Google Patents

Air cleaning control method for air conditioner and air conditioner Download PDF

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Publication number
CN112747440A
CN112747440A CN202110003979.8A CN202110003979A CN112747440A CN 112747440 A CN112747440 A CN 112747440A CN 202110003979 A CN202110003979 A CN 202110003979A CN 112747440 A CN112747440 A CN 112747440A
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CN
China
Prior art keywords
air
blower
indoor
air conditioner
user
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Granted
Application number
CN202110003979.8A
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Chinese (zh)
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CN112747440B (en
Inventor
郭嘉兴
王宁
商庆浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Chongqing Haier Air Conditioner 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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Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd, Qingdao Haier Air Conditioning Electric Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN202110003979.8A priority Critical patent/CN112747440B/en
Publication of CN112747440A publication Critical patent/CN112747440A/en
Priority to PCT/CN2022/078923 priority patent/WO2022144045A1/en
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Publication of CN112747440B publication Critical patent/CN112747440B/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
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • 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
    • 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
    • F24F1/009—Indoor units, e.g. fan coil units characterised by heating arrangements
    • 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
    • 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
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • 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
    • 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

Abstract

The invention belongs to the field of air conditioners, and particularly provides an air cleaning control method for an air conditioner and the air conditioner. The invention aims to solve the problem that the prior air conditioner is easy to cause the indoor air quality to be poor when in operation. To this end, the control method of the present invention includes: opening an air inlet valve, closing an exhaust valve and then opening a blower; controlling an age identification module to identify the age of the indoor user; and controlling the blower to select different rotating speeds to operate according to the identified age of the indoor user. Through the control method, the air conditioner can select different rotating speeds of the air feeder according to the age of an indoor user so as to achieve different foul air or adsorption efficiencies of the foul substances, so that the air conditioner is more intelligent, and good user experience is achieved by combining with the actual situation of the user.

Description

Air cleaning control method for air conditioner and air conditioner
Technical Field
The invention belongs to the technical field of air conditioners, and particularly provides an air cleaning control method for an air conditioner and the air conditioner.
Background
Along with the improvement of people's standard of living, more and more people use the air conditioner, and people also are more and more high 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 to circulate like this, and it is uncomfortable to have led to the human body to suppress for a long time, mainly because close the window for a long time and lead to indoor air quality variation, the air is comparatively dirty to lead to.
Currently, when an air conditioner is turned on, the way to clean the indoor air generally includes: select products such as installation new fan or use air conditioner that has the new trend function, reach the purpose of taking a breath through introducing outdoor air, thereby guarantee that the room air is "fresh", however, the air conditioner price that has the new trend function is higher usually, and adopt the mode of new trend introduction, can cause indoor local subcooling or overheated in winter or summer, influence user experience degree, in addition, still need often change consumptive materials such as purification filter core, heat exchange filter core, the maintenance cost in later stage is higher.
Accordingly, there is a need in the art for a new air cleaning control method for an air conditioner and an air conditioner to solve the problem that the existing air conditioner is likely to cause deterioration of indoor air quality during operation.
Disclosure of Invention
In order to solve the above problems in the prior art, that is, to solve the problem that the prior air conditioner is likely to cause indoor air quality deterioration during operation, the present invention provides an air cleaning control method for an air conditioner and an air conditioner, wherein the air conditioner comprises an indoor unit, the indoor unit comprises an airflow channel, an air inlet valve, an air outlet valve, a blower, an age identification module and a foul air adsorption and release unit, and the airflow channel comprises an air inlet channel and an air outlet channel; the air inlet channel is communicated with the air outlet channel, two ends of the air inlet channel are arranged indoors, one end of the air outlet channel communicated with the air inlet channel is arranged indoors, the other end of the air outlet channel is arranged outdoors, the air inlet valve is arranged on the air inlet channel to realize independent opening and closing of the air inlet channel, and the exhaust valve is arranged on the air outlet channel to realize independent opening and closing of the air outlet channel; the blower and the foul air adsorption and release unit are arranged in the airflow channel and are arranged in such a way that when the blower is started, when the air inlet valve is opened and the exhaust valve is closed, indoor air enters the room again after being adsorbed and filtered by the foul air adsorption and release unit; when the blower is turned on, when the air inlet valve is closed and the air outlet valve is opened, indoor air flows through the turbidity adsorption and release unit and then the adsorbed turbidity or turbidity is discharged to the outside; wherein the foul gas adsorption and release unit is used for adsorbing or releasing foul gas or substances; the control method comprises the following steps: opening the air inlet valve, closing the exhaust valve and then opening the blower; controlling the age identification module to identify the age of the indoor user; and controlling the blower to select different rotating speeds to operate according to the identified age of the indoor user.
In the above-described preferred embodiment of the air cleaning control method for an air conditioner, after the step of "controlling the blower to select different rotation speeds for operation according to the age of the identified indoor user", the control method further includes: and opening the exhaust valve, closing the intake valve and controlling the foul gas adsorption and release unit to release foul gas or foul substances.
In a preferable embodiment of the above air cleaning control method for an air conditioner, a diameter of the exhaust pipe of the exhaust passage is 30mm or less.
In a preferred embodiment of the above air cleaning control method for an air conditioner, the foul air adsorption and release unit specifically includes a solid amine adsorption module and a heating module, and the step of "controlling the foul air adsorption and release unit to release foul air or foul substances" specifically includes: controlling the heating module to heat the solid amine adsorption module to release CO adsorbed by the solid amine2。
In a preferable embodiment of the above air cleaning control method for an air conditioner, the indoor unit further includes CO2The detection module, according to the age of the indoor user who discerns, control the forced draught blower selects different rotational speeds to operate' specifically includes: controlling the CO2Detection module detects CO in environment2Concentration; based on detected CO in the environment2Controlling the blower to select different rotation speeds according to the concentration and the identified age of the user in the room; when C is less than or equal to C1, and when the identified indoor users do not include the old and the children, the blower stops running; when the identified user in the room includes an elderly person or a child, the blower is operated at a first rotational speed; and/or, when C1 < C ≦ C2, and when the identified indoor user does not include the elderly and children, the blower is operated at the first rotational speed; when the identified indoor user comprises the old or the child, the blower operates at the second rotating speed; and/or the blower is operated at the second rotation speed when C2 < C ≦ C3 and when the identified user in the room does not include the elderly and children; when the identified indoor user comprises the old or the child, the blower operates at a third rotating speed; and/or when C > C3, the blower operates at a third rotating speed; wherein C is CO in the environment2The concentrations of C1, C2 and C3 are preset CO2The concentration is larger than the first rotating speed, the second rotating speed and the third rotating speed, when the detected user is an old person, the age of the user is larger than or equal to 60 years, and when the detected user is a child, the age of the user is smaller than or equal to 12 years.
In a preferable embodiment of the above air cleaning control method for an air conditioner, the indoor unit further includes CO2A detection module, wherein the heating module is controlled to heat the solid amine adsorption module so as to release CO adsorbed by the solid amine2The method specifically comprises the following steps: controlling the CO2Detection module detects CO in environment2Concentration; based on detected CO in the environment2Controlling the blower to select different rotating speeds, and controlling the heating module to select different heating temperatures and desorption times so as to release CO adsorbed by the solid amine2(ii) a When the C is less than or equal to C1, the blower operates at a first rotating speed, the heating temperature is T1, and the desorption time is T1; and/or when C is more than C1 and less than or equal to C2, the blower operates at the first rotating speed, the heating temperature is T2, and the desorption time is T2; and/or when C is more than C2 and less than or equal to C3, the air feeder operates at a third rotating speed, the heating temperature is T1, and the desorption time is T3; and/or when C is more than C3, the blower is operated at a third rotating speed, the heating temperature is T2, and the desorption time is T4; wherein C is CO in the environment2The concentrations of C1, C2 and C3 are preset CO2Concentration, T1 < T2, T1 > T2 > T3 > T4, the first rotational speed < the third rotational speed.
In a preferable embodiment of the above air cleaning control method for an air conditioner, the indoor unit further includes CO2A detection module, wherein the heating module is controlled to heat the solid amine adsorption module so as to release CO adsorbed by the solid amine2The method specifically comprises the following steps: controlling the CO2Detection module detects CO in environment2Concentration; when CO is detected2When the concentration is not reduced any more in a set time period, controlling the heating module to heat the solid amine adsorption module so as to release CO adsorbed by the solid amine2。
Air cleaning control method for air conditionerIn a preferred technical scheme of the method, the indoor unit further comprises CO2The detection module, open the admission valve, close the discharge valve, then open the step of forced draught blower specifically includes: when receiving CO removal sent by user2When the information instruction is given, the air inlet valve is opened, the exhaust valve is closed, and then the blower is opened; alternatively, controlling the CO2Detection module detects CO in environment2Concentration of CO detected2And when the concentration is larger than or equal to a preset concentration value, opening the air inlet valve, closing the exhaust valve and then opening the air blower.
In a preferred embodiment of the above air cleaning control method for an air conditioner, the foul air adsorbing and releasing unit specifically includes a high-voltage electrostatic adsorption plate, and the control method further includes: opening the air inlet valve, closing the exhaust valve, then opening the air feeder, and starting the high-voltage electrostatic adsorption plate; opening discharge valve, closing the admission valve, and close high-pressure electrostatic adsorption board, control the forced draught blower is right high-pressure electrostatic adsorption board blows to release the dust that high-pressure electrostatic adsorption board was adsorbed.
The present invention also provides an air conditioner as set forth in any one of the above technical aspects, and including a controller configured to be able to execute the air cleaning control method for an air conditioner as set forth in any one of the above technical aspects.
As can be understood by those skilled in the art, in the technical solution of the present invention, the air conditioner includes an indoor unit, the indoor unit includes an airflow channel, an intake valve, an exhaust valve, a blower, an age identification module, and a foul air adsorption and release unit, the airflow channel includes an intake channel and an exhaust channel; the air inlet channel is communicated with the air outlet channel, two ends of the air inlet channel are arranged indoors, one end of the air outlet channel communicated with the air inlet channel is arranged indoors, the other end of the air outlet channel is arranged outdoors, the air inlet valve is arranged on the air inlet channel to realize independent opening and closing of the air inlet channel, and the exhaust valve is arranged on the air outlet channel to realize independent opening and closing of the air outlet channel; the blower and the foul air adsorption and release unit are arranged in the airflow channel, and when the blower is started, and when the air inlet valve is opened and the exhaust valve is closed, indoor air enters the room again after being adsorbed and filtered by the foul air adsorption and release unit; when the air feeder is opened, when the air inlet valve is closed and the exhaust valve is opened, the indoor air flows through the foul air adsorption and release unit, and then the adsorbed foul air or foul matters are discharged to the outdoor; wherein the foul gas adsorption and release unit is used for adsorbing or releasing foul gas or substances; the control method comprises the following steps: opening an air inlet valve, closing an exhaust valve and then opening a blower; controlling an age identification module to identify the age of the indoor user; controlling the blower to select different rotating speeds to operate according to the identified age of the indoor user; it will be understood by those skilled in the art that the intake and exhaust valves may be of a split design or may be of an integrated design, such as a three-way valve.
Through the arrangement mode, the air conditioner has the function of purifying indoor air, namely the dirty air can be purified through the dirty air adsorption and release unit, so that the freshness of the indoor air is ensured, in addition, the dirty air adsorption and release unit can be permanently used, namely when the adsorption work cannot be effectively carried out, the dirty objects or the dirty air in the dirty air adsorption and release unit can be discharged to the outside, such as CO2Compared with the prior art, the fresh air machine filters fresh air through the filter element or exchanges fresh air heat through the heat exchange filter element, the air conditioner does not need to use consumables when performing a purification function, and only needs to recycle the foul air adsorption and release unit, so that the use cost can be reduced; in addition, the air conditioner can select different rotating speeds of the air feeder according to the age of an indoor user so as to achieve different foul air or adsorption efficiencies of the foul substances, so that the air conditioner is more intelligent, and good user experience is achieved by combining with the actual situation 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 air cleaning part in an indoor unit of an air conditioner according to the present invention;
FIG. 2 is a schematic structural diagram of an indoor unit of an air conditioner according to the present invention;
fig. 3 is a schematic view showing a structure of an air cleaning part in an indoor unit of an air conditioner according to the present invention;
fig. 4 is a flowchart of an air cleaning control method for an air conditioner according to the present invention;
FIG. 5 is a pair of COs of an air cleaning control method for an air conditioner according to the present invention2A flow chart of the subdivision step of carrying out the adsorption;
FIG. 6 is a pair of COs of an air cleaning control method for an air conditioner according to the present invention2Flow chart of the subdivision steps for carrying out the desorption.
List of reference numerals:
1-an indoor unit; 11-an air flow channel; 111-an intake passage; 1111-inlet channel inlet; 1112-inlet channel outlet; 112-an exhaust channel; 1121-exhaust outlet; 1122-exhaust channel outlet; 12-an intake valve; 13-an exhaust valve; 14-a blower; 15-a foul gas adsorption and release unit.
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, 2 and 3, in order to solve the problem that the air quality in the room is easily deteriorated when the conventional air conditioner is operated, the air conditioner of the present invention includes an indoor unit 1, the indoor unit 1 includes an air flow path 11, an air intake valve 12, an exhaust valve 13, a blower 14, an age identification module and a foul air adsorption and release unit 15, the air flow path 11 includes an air intake path 111 and an exhaust path 112; the air inlet channel 111 is communicated with the air outlet channel 112, two ends of the air inlet channel 111 are arranged indoors, one end of the air outlet channel 112 communicated with the air inlet channel 111 is arranged indoors, the other end of the air outlet channel is arranged outdoors, the air inlet valve 12 is arranged on the air inlet channel 111 to realize independent opening and closing of the air inlet channel 111, and the air outlet valve 13 is arranged on the air outlet channel 112 to realize independent opening and closing of the air outlet channel 112; the blower 14 and the foul air adsorption and release unit 15 are both arranged in the airflow channel 11 and are arranged such that when the blower 14 is opened, and when the air inlet valve 12 is opened and the air outlet valve 13 is closed, the indoor air is filtered by the foul air adsorption and release unit 15 and then re-enters the room; when the air blower 14 is turned on, the indoor air passes through the foul air adsorption and release unit 15 while the air intake valve 12 is closed and the air exhaust valve 13 is opened, and then the adsorbed foul air or foul is discharged to the outside; wherein the foul air adsorbing and releasing unit 15 is used for adsorbing or releasing foul air or foul substances, and it is understood by those skilled in the art that the air inlet channel 111 is a channel through which the air flow passes from the air inlet channel inlet 1111 to the air inlet channel outlet 1112; the exhaust passage 112 is a passage through which an air flow passes from the intake passage inlet 1111 to the exhaust passage outlet 1122.
The setting mode has the advantages that: with the above arrangement, the air conditioner of the present invention has a function of purifying indoor air, when air cleaning is required, the air inlet valve 12 is opened, the air outlet valve 13 is closed, and indoor air is fed from the air inlet channel inlet 1111 by the blower 14 and passes through the air inlet channel inlet 1111 to adsorb the air or the air, such as CO, through the air adsorbing and releasing unit 152At this time, the indoor air has been purified, and the purified air is returned to the indoor through the intake passage outlet 1112, so that the indoor air is cleaned; in order to achieve better adsorption effect, or when the foul air adsorption and release unit 15 cannot perform normal adsorption, at this time, the air inlet valve 12 is closed, the exhaust valve 13 is opened, and under the action of the blower 14, the foul air or the foul air adsorbed on the foul air adsorption and release unit 15 can be discharged to the outside through the exhaust channel outlet 1122, wherein, shown in fig. 1 and 2, the exhaust outlet 1121 is shown, and the foul air or the foul air can be led to the outside through the connection with the exhaust pipe, in this case, the exhaust channel outlet 1122 is arranged at the outdoor end of the exhaust pipe, and the air conditioner of the present invention can adsorb and release the foul air or the foul air through the foul air adsorption and release unit 15, compared with the prior art that a filter element of a fresh air fan is used for performing fresh air ventilation by using a filter element of a fresh air fanIn addition, compared with the prior art that a fresh air mode is introduced, heat exchange is not needed, frequent starting of a heat exchange module can be avoided, the service life of the air conditioner is shortened, consumables such as a heat exchange filter element and the like are not needed, the maintenance and use cost is reduced, and in addition, the phenomenon of indoor local supercooling or overheating can be avoided.
In one possible embodiment, the diameter of the exhaust pipe of the exhaust passage 112 is 30mm or less.
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 flows to realize air exchange, a large hole needs to be drilled on a wall body independently, and the wall body is damaged.
Further, when the foul air adsorption and release unit specifically includes the solid amine adsorption module and the heating module, the solid amine has a property of being capable of adsorbing CO at normal temperature2Releasing CO after heating2As shown in fig. 4 with continued reference to fig. 3, the present invention further provides an air cleaning control method for an air conditioner, which specifically includes the following steps:
step S1: the intake valve 12 is opened, the exhaust valve 13 is closed, and then the blower 14 is opened.
When the indoor air is required to be cleaned, the air inlet valve 12 is opened, the air outlet valve 13 is closed, namely the air inlet channel 111 is unblocked, and indoor dirt is emptied under the action of the blower 14The gas is introduced into the foul gas adsorption and release unit 15, passing through the counter-CO2After the adsorption, the fresh air is discharged into the room under the action of the blower 14, so that the indoor air quality is ensured.
As a preferred embodiment, the condition for performing step S1 includes: when receiving CO removal sent by user2When the information instruction is given, step S1 is executed, wherein the user may send the information instruction through a remote controller, an air-conditioning panel, an intelligent terminal, or the like; of course, it is also possible to detect automatically by the air conditioner, i.e. when a CO is detected2When the concentration is equal to or greater than the preset concentration value, for example, reaches level3 and level4 in table 1, step S1 is performed.
Furthermore, in general, the user is not aware of the indoor CO2Concentration, CO detected by display of the invention2Concentration information to the user so that the user knows the indoor CO2Concentration, wherein the display mode includes various forms, for example, through the forms of air conditioner panel, remote controller display screen, intelligent terminal or voice, of course, can carry out CO according to preset frequency2The concentration information can be displayed, and the CO can be updated and displayed in real time2The concentration information is given to the user for better perception by the user.
Wherein, the air conditioner indoor unit 1 of the invention is integrated with CO at the same time2A detection module capable of detecting CO in an environment2Concentration, as a preferred embodiment, of CO2The detection module is arranged at an indoor air inlet (an air inlet for enabling air to exchange heat in the air conditioner) of the air conditioner, indoor air enters the air conditioner through the air inlet and passes through CO2The detection module detects the indoor air quality and transmits the detection result to the air conditioner in an electric signal.
Step S2: the control age identification module identifies the age of the indoor user.
The air conditioner indoor unit 1 of the present invention is integrated with an age identification module, which can identify the age of an indoor user, and as a preferred embodiment, the age identification module can be a camera, etc., that is, the age of the user is determined by a face recognition technology.
And step S3, controlling the blower to select different rotation speeds to operate according to the identified age of the indoor user.
The air conditioner controls the air feeder 14 to select different rotating speeds for operation according to the age of the user identified by the age identification module, and the air conditioner has different body resistance and different body bearing capacity on the dirt degree of indoor air due to different ages of the user, for example, the old and children have lower resistance than young people and are more likely to influence the body health due to the poor air quality, so that the air conditioner can select different fan rotating speeds according to the age division to achieve different CO2The adsorption rate is increased, so that the air conditioner is more intelligent, and good user experience is achieved by combining the actual situation of a user.
Step S4: the exhaust valve 13 is opened, the intake valve 12 is closed, and the foul air adsorption and release unit 15 is controlled to release foul air or foul substances.
When CO is required2By opening the exhaust valve 13, the closing of the intake valve 12, i.e. the opening of the exhaust passage 112, is effected, and CO is carried out by the blower 142So as to ensure the repeated cyclic utilization of the foul gas adsorption and release unit 15.
The conditions for executing step S4 include: detected CO2When the concentration is no longer reduced for a set period of time, e.g. CO2The value detected by the detection module is within a certain fixed range and does not decrease, and the preset time, for example, 10min, indicates that the foul air adsorption and release unit 15 has reached the saturation state, at this time, the air conditioner automatically performs the desorption operation, and certainly, the desorption operation can also be performed on the CO at this time2The information such as the value and the duration detected by the module is displayed or broadcasted, for example, fed back to the user through an air conditioner display panel, a user terminal, and the like, and at this time, if an instruction for executing the desorption operation sent by the user is received, step S4 is started to be executed.
As shown in fig. 5, step S3 of the air cleaning control method for an air conditioner of the present invention further includes the following steps:
step S31: control of CO2Detection module detects CO in environment2And (4) concentration.
Step S32: based on detected CO in the environment2The concentration, and the identified age of the user in the room, controls the blower to select different rotational speeds.
When C is less than or equal to C1, and when the identified indoor users do not include the old and children, the blower stops running; the blower is operated at a first rotational speed when the identified user in the room includes an elderly person or a child.
When C1 < C ≦ C2, and when the identified user in the room does not include the old and the child, the blower is operated at the first rotation speed; the blower is operated at the second rotational speed when the identified user in the room includes an elderly person or a child.
When C2 < C ≦ C3, and when the identified indoor user does not include the old and the child, the blower is operated at the second rotation speed; the blower is operated at a third speed when the identified user in the room includes an elderly person or a young child.
When C is greater than C3, the blower is operated at a third speed.
Wherein C is CO in the environment2The concentrations of C1, C2 and C3 are preset CO2The concentration, the first rotating speed is less than the second rotating speed and less than the third rotating speed, when the detected user is an old person, the age of the user is more than or equal to 60 years old, and when the detected user is a child, the age of the user is less than or equal to 12 years old.
The invention converts CO into2The detection results of the detection module are divided into 4 grades, and are described as level 1(C ≦ C1), level 2(C1 < C ≦ C2), level3(C2 < C ≦ C3), and level4(C > C3), where C1 ═ 450, C2 ═ 1000, and C3 ═ 2000 are preferred embodiments, that is, as shown in table 1.
TABLE 1
Figure BDA0002882793800000091
When the detection result is leave 1, the indoor air quality is excellent, and therefore, when the recognized indoor user does not include the old and the child, the blower 14 is turned off and the CO removal is not performed2Working to save electric power and to avoid noise generation, when the identified indoor user includes the elderly or the children, in order to avoid a slight deterioration of the indoor air quality with time, the blower 14 is operated at a first rotation speed, i.e., at a low gear, to achieve CO absorption2Can be matched with CO2The concentration increasing speed is high, so that the indoor environment quality is kept to be excellent, the optimal indoor environment is provided for the old and the children, and adverse reaction of the body caused by reduction of the indoor air quality is avoided.
When the detection result is leave 2, the indoor air quality is good at this time, therefore, when the identified indoor user does not include old people and children, the blower 14 operates at the first rotation speed, that is, at the low gear, and can save electric energy and reduce noise while further improving or maintaining the indoor air quality, and when the identified indoor user includes old people or children, the blower 14 operates at the second rotation speed, that is, at the medium gear, and can accelerate the operation speed of the blower 14, improve CO2The adsorption rate of the air purifier enables the indoor air quality to be improved to a good state, and provides an optimal indoor environment for the old and the children.
When the detection result is leee 3, the indoor air quality is poor, and therefore, when the identified indoor user does not include the old and the young, the blower 14 is operated at the second rotation speed, that is, at the middle gear, so that the indoor air quality can reach a good level in a short time; when the identified indoor user includes the elderly or the children, the blower 14 is operated at the third rotation speed, i.e., at the high gear, since the air quality is poor and the body resistance of the elderly or the children is poor, the gear of the blower needs to be set to the highest so as to reduce the indoor CO at the fastest speed2The concentration makes the indoor air quality be improved to be excellent as soon as possible.
When the detection result is leave 4, the indoor air quality is very poor, and therefore, the blower 14 is operated at the third rotation speed, i.e., the high-gear operation, to remove CO regardless of whether there is an old person or a child indoors2The rate of the air flow is maximized, and the indoor CO is reduced at the fastest speed2The concentration can raise indoor air quality to excellent level as soon as possible.
The preferred technical scheme of the step S4 of the invention is as follows: since the foul gas adsorption and release unit 15 specifically includes the solid amine adsorption block and the heating module, the solid amine adsorption block is heated by controlling the heating module to release CO adsorbed by the solid amine2。
Adsorption material solid amine adsorption block for adsorbing CO2The amount of the solid amine adsorption block is related to the volume of the material, the solid amine adsorption block can reach a saturated state after reaching a certain degree, and the heating module is controlled to heat after the solid amine adsorption block reaches the saturated state so as to realize CO2The desorption temperature is between 50 and 80 ℃ in the normal condition, the desorption rate is faster when the temperature is higher in the range, therefore, the CO can be controlled by controlling the temperature of the heating module2The purpose of the desorption rate of.
As shown in fig. 6, specifically, the above preferred technical solution of step S4 of the present invention further specifically includes the following steps:
step S41, control CO2Detection module detects CO in environment2And (4) concentration.
Step S42: based on detected CO in the environment2The blower 14 is controlled to select different rotation speeds, and the heating module is controlled to select different heating temperatures and desorption times.
Step S421: when C is less than or equal to C1, the blower 14 operates at the first rotation speed, the heating temperature is T1, and the desorption time is T1.
Step S422: when C is more than C1 and less than or equal to C2, the blower 14 operates at the first rotation speed, the heating temperature is T2, and the desorption time is T2.
Step S423: when C is more than C2 and less than or equal to C3, the blower 14 operates at the third rotating speed, the heating temperature is T1, and the desorption time is T3.
Step S424: when C is more than C3, the blower 14 is operated at the third rotation speed, the heating temperature is T2, and the desorption time is T4.
Wherein C is CO in the environment2The concentrations of C1, C2 and C3 are preset CO2Concentration, T1 < T2, T1 > T2 > T3 > T4, and the first rotating speed < the third rotating speed.
The invention converts CO into2The detection results of the detection module are divided into 4 grades, and are described as level 1(C ≦ C1), level 2(C1 < C ≦ C2), level3(C2 < C ≦ C3), and level4(C > C3), where as a preferred embodiment, C1 ═ 450, C2 ═ 1000, and C3 ═ 2000 are shown in table 1:
when the detection result is leave 1, the corresponding control mode selects mode one; when the detection result is leave 2, the corresponding control mode selects mode two; when the detection result is leave 3, the corresponding control mode selects mode three; when the detection result is leave 4, the corresponding control mode selects mode four; as a preferred embodiment, T1 ═ 50 ℃, T2 ═ 80 ℃, T1 ═ 20min, T2 ═ 17.5min, T3 ═ 15min, T4 ═ 10min, i.e. as shown in table 2:
TABLE 2
Figure BDA0002882793800000111
Figure BDA0002882793800000121
From a combination of tables 1 and 2, it can be seen that when the CO is present in an indoor environment2At very low concentrations, such as leve1, mode one is selected, i.e., the blower 14 is turned down (first speed), the heating temperature is turned down (T1), and the desorption time is longest (T1) due to CO2The concentration is lower, therefore, the control method of the invention is to CO2Slow desorption, i.e. prolonging CO2The desorption time mainly aims to achieve the effects of low energy consumption and low noise, so as to save electric energy and improve the user experience, and simultaneously, the indoor air environment can be further optimized; when CO is present in indoor environment2When the concentration is lower, such as leee 2, at this time, mode two is selected, i.e. the rotating speed of the blower 14 is adjusted to be lower (the first rotating speed), the heating temperature is adjusted to be higher (T2), and the desorption time is longer (T2), at this time, the effects of lower energy consumption and low noise can be achieved, and in addition, the desorption efficiency is compared with that in mode oneIs improved; when CO is present in indoor environment2When the concentration is higher, such as leee 3, at this moment, mode three is selected, i.e. the rotational speed of the blower 14 is increased (third rotational speed), the heating temperature is decreased (T1), the desorption time is shorter (T3), at this moment, the effect of higher desorption efficiency can be achieved, so that the CO can be removed more quickly2Working, and the energy consumption does not reach the highest value at the moment; when CO is present in indoor environment2When the concentration is very high, such as leee 4, the mode four is selected, the rotating speed of the blower 14 is adjusted to be high (the third rotating speed), the heating temperature is adjusted to be high (T2), the desorption time is shortest (T4), and therefore the highest desorption efficiency is achieved, and CO can be rapidly desorbed2Adsorption of (1), in summary, the air conditioner of the present invention depends on the CO in the current environment2And the concentration is selected, and the optimal combined mode of desorption efficiency, energy consumption and noise is selected, so that the optimal comprehensive use effect can be achieved on the premise of ensuring the indoor environment quality.
It should be noted that CO is suggested to those skilled in the art2In relation to desorption time, the conventional control method is CO2The lower the concentration, the shorter the cleaning time, however, the invention is just the opposite, from the point of view of noise and energy saving, the CO2The lower the concentration, the longer the cleaning time, and the more comfortable the solution for the user is sought in the reverse thinking process.
When CO is not required2When the adsorption is working, e.g. when CO is detected2At concentrations < preset concentration values, e.g. when good grades of leve1 and leve2 are reached, or when CO is present2When the adsorption operation is performed for a predetermined time, the blower 14 is automatically turned off and CO in the environment is discharged2Detecting the concentration of CO2The concentration information is converted into environment grade information to be displayed to a user, or CO is displayed to the user at the same time2Concentration information and CO2And displaying the information of the operation time of the adsorption work to a user.
As another preferred embodiment of the foul air adsorption and release unit 15, the foul air adsorption and release unit 15 specifically includes a high voltage electrostatic adsorption plate, and the air cleaning control method for an air conditioner of the present invention includes:
the air inlet valve 12 is opened, the exhaust valve 13 is closed, then the blower 14 is opened, and the high voltage electrostatic adsorption plate is started. And opening the exhaust valve 13, closing the intake valve 12, and closing the high-voltage electrostatic adsorption plate, and controlling the blower 14 to blow air to the high-voltage electrostatic adsorption plate so as to release the dust adsorbed by the high-voltage electrostatic adsorption plate.
When needing to remove dust indoor, open admission valve 12, close discharge valve 13, and under the effect of forced draught blower 14, introduce indoor dirty air in inlet channel 111, at this moment, under the effect of high-pressure electrostatic adsorption board, can adsorb indoor dust, when dust on high-pressure electrostatic adsorption board reaches the saturation, or when reaching better dust adsorption efficiency, close high-pressure electrostatic adsorption board, blow to outdoor by exhaust passage 112 through the dust of forced draught blower 14 on with high-pressure electrostatic adsorption board, with the adsorbed dust of release high-pressure electrostatic adsorption board.
Furthermore, the present invention also provides an air conditioner that is the air conditioner of any one of the above-described technical aspects, and that includes a controller configured to be able to execute the air cleaning control method for an air conditioner described in any one of the above-described technical aspects.
In summary, the air conditioner of the present invention can purify the foul air by the foul air adsorption and release unit 15, and heat the solid amine adsorption block by the heating module to release the foul air, wherein the desorption efficiency of the foul air increases with the increase of the heating temperature, and the exhaust pipe of the present invention has a small diameter, and can share one hole with the on-line pipe of the air conditioner, so as to reduce the installation cost, and in addition, when the detected indoor CO is detected2When concentration is lower, desorption time is longer on the contrary, can reach and fall the effect of making an uproar and reducing the energy consumption, in addition, through age identification module discernment indoor user age to according to indoor user age and indoor concentration selection corresponding forced draught blower 14 rotational speed, remove CO according to user's health condition2And (6) working.
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.
Those skilled in the art will appreciate that the air conditioner described above may also include other well-known structures such as processors, controllers, memories, etc., wherein the memories include, but are not limited to, ram, flash, rom, prom, volatile, nvm, serial, parallel, registers, etc., and the processors include, but are not limited to, CPLD/FPGC, DSP, CRM, MIPS, etc. Such well-known structures are not shown in the drawings in order to not unnecessarily obscure embodiments of the present disclosure.
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 (10)

1. The air cleaning control method for the air conditioner is characterized in that the air conditioner comprises an indoor unit, the indoor unit comprises an airflow channel, an air inlet valve, an exhaust valve, a blower, an age identification module and a foul air adsorption and release unit, and the airflow channel comprises an air inlet channel and an exhaust channel;
the air inlet channel is communicated with the air outlet channel, two ends of the air inlet channel are arranged indoors, one end of the air outlet channel communicated with the air inlet channel is arranged indoors, the other end of the air outlet channel is arranged outdoors, the air inlet valve is arranged on the air inlet channel to realize independent opening and closing of the air inlet channel, and the exhaust valve is arranged on the air outlet channel to realize independent opening and closing of the air outlet channel;
the blower and the foul air adsorption and release unit are arranged in the airflow channel and are arranged in such a way that when the blower is started, when the air inlet valve is opened and the exhaust valve is closed, indoor air enters the room again after being adsorbed and filtered by the foul air adsorption and release unit; when the blower is turned on, when the air inlet valve is closed and the air outlet valve is opened, indoor air flows through the turbidity adsorption and release unit and then the adsorbed turbidity or turbidity is discharged to the outside;
wherein the foul gas adsorption and release unit is used for adsorbing or releasing foul gas or substances;
the control method comprises the following steps:
opening the air inlet valve, closing the exhaust valve and then opening the blower;
controlling the age identification module to identify the age of the indoor user;
and controlling the blower to select different rotating speeds to operate according to the identified age of the indoor user.
2. The air cleaning control method for an air conditioner according to claim 1, wherein after the step of controlling the blower to select a different rotation speed operation according to the age of the identified indoor user, the control method further comprises:
and opening the exhaust valve, closing the intake valve and controlling the foul gas adsorption and release unit to release foul gas or foul substances.
3. The air cleaning control method for an air conditioner according to claim 1, wherein a diameter of the exhaust pipe of the exhaust passage is 30mm or less.
4. The air cleaning control method for an air conditioner according to claim 2, wherein the turbidity adsorbing and releasing unit specifically includes a solid amine adsorbing module and a heating module, and the step of controlling the turbidity adsorbing and releasing unit to release the turbidity or the turbidity specifically includes:
controlling the heating module pairHeating the solid amine adsorption block to release CO adsorbed by the solid amine2。
5. The air cleaning control method for an air conditioner according to claim 1, wherein the indoor unit further includes CO2The detection module, according to the age of the indoor user who discerns, control the forced draught blower selects different rotational speeds to operate' specifically includes:
controlling the CO2Detection module detects CO in environment2Concentration;
based on detected CO in the environment2Controlling the blower to select different rotation speeds according to the concentration and the identified age of the user in the room;
when C is less than or equal to C1, and when the identified indoor users do not include the old and the children, the blower stops running; when the identified user in the room includes an elderly person or a child, the blower is operated at a first rotational speed; and/or the like and/or,
when C1 < C ≦ C2, and when the identified user in the room does not include the elderly and children, the blower is operated at the first rotational speed; when the identified indoor user comprises the old or the child, the blower operates at the second rotating speed; and/or the like and/or,
when C2 < C ≦ C3, and when the identified user in the room does not include the elderly and children, the blower is operated at the second rotational speed; when the identified indoor user comprises the old or the child, the blower operates at a third rotating speed; and/or the like and/or,
when C is larger than C3, the blower operates at a third rotating speed;
wherein C is CO in the environment2The concentrations of C1, C2 and C3 are preset CO2The concentration is larger than the first rotating speed, the second rotating speed and the third rotating speed, when the detected user is an old person, the age of the user is larger than or equal to 60 years, and when the detected user is a child, the age of the user is smaller than or equal to 12 years.
6. Air cleaning for air conditioner according to claim 4The control method is characterized in that the indoor unit further comprises CO2A detection module, wherein the heating module is controlled to heat the solid amine adsorption module so as to release CO adsorbed by the solid amine2The method specifically comprises the following steps:
controlling the CO2Detection module detects CO in environment2Concentration;
based on detected CO in the environment2Controlling the blower to select different rotating speeds, and controlling the heating module to select different heating temperatures and desorption times so as to release CO adsorbed by the solid amine2；
When the C is less than or equal to C1, the blower operates at a first rotating speed, the heating temperature is T1, and the desorption time is T1; and/or the like and/or,
when C is more than C1 and less than or equal to C2, the blower operates at the first rotating speed, the heating temperature is T2, and the desorption time is T2; and/or the like and/or,
when C is more than C2 and less than or equal to C3, the blower operates at a third rotating speed, the heating temperature is T1, and the desorption time is T3; and/or the like and/or,
when C is more than C3, the blower operates at a third rotating speed, the heating temperature is T2, and the desorption time is T4;
wherein C is CO in the environment2The concentrations of C1, C2 and C3 are preset CO2Concentration, T1 < T2, T1 > T2 > T3 > T4, the first rotational speed < the third rotational speed.
7. The air cleaning control method for an air conditioner according to claim 4, wherein the indoor unit further includes CO2A detection module, wherein the heating module is controlled to heat the solid amine adsorption module so as to release CO adsorbed by the solid amine2The method specifically comprises the following steps:
controlling the CO2Detection module detects CO in environment2Concentration;
when CO is detected2When the concentration is not reduced any more in a set time period, controlling the heating module to heat the solid amine adsorption module so as to release CO adsorbed by the solid amine2。
8. The air cleaning control method for an air conditioner according to claim 1, wherein the indoor unit further includes CO2The detection module, open the admission valve, close the discharge valve, then open the step of forced draught blower specifically includes:
when receiving CO removal sent by user2When the information instruction is given, the air inlet valve is opened, the exhaust valve is closed, and then the blower is opened; alternatively, the first and second electrodes may be,
controlling the CO2Detection module detects CO in environment2Concentration of CO detected2And when the concentration is larger than or equal to a preset concentration value, opening the air inlet valve, closing the exhaust valve and then opening the air blower.
9. The air cleaning control method for an air conditioner according to claim 2, wherein the foul air adsorption and release unit specifically includes a high voltage electrostatic adsorption plate, the control method further comprising:
opening the air inlet valve, closing the exhaust valve, then opening the air feeder, and starting the high-voltage electrostatic adsorption plate;
opening discharge valve, closing the admission valve, and close high-pressure electrostatic adsorption board, control the forced draught blower is right high-pressure electrostatic adsorption board blows to release the dust that high-pressure electrostatic adsorption board was adsorbed.
10. An air conditioner characterized in that the air conditioner is the air conditioner recited in any one of claims 1 to 9, and includes a controller configured to be able to execute the air cleaning control method for an air conditioner recited in any one of claims 1 to 9.
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