CN112762590B - 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
CN112762590B
CN112762590B CN202110003960.3A CN202110003960A CN112762590B CN 112762590 B CN112762590 B CN 112762590B CN 202110003960 A CN202110003960 A CN 202110003960A CN 112762590 B CN112762590 B CN 112762590B
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Prior art keywords
air
blower
people
rotating speed
indoor
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CN112762590A (en
Inventor
郭嘉兴
王宁
商庆浩
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Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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Priority to CN202110003960.3A priority Critical patent/CN112762590B/en
Publication of CN112762590A publication Critical patent/CN112762590A/en
Priority to PCT/CN2022/078924 priority patent/WO2022144046A1/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
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0076—Indoor units, e.g. fan coil units with means for purifying supplied air by electric means, e.g. ionisers or electrostatic separators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • F24F11/62—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
    • F24F11/70—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
    • 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 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 indoor air quality is easy to deteriorate when the existing air conditioner operates. 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; the control people number detection module detects the number of people in the room; and controlling the blower to select different rotating speeds according to the detected number of people indoors. By the control method, the air conditioner can select different rotating speeds of the air feeder according to the number of people indoors so as to achieve different foul air or foul substance adsorption efficiencies, and accordingly the comfort experience degree of users is improved according to practical application scenes.

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 quality of indoor air is easily deteriorated when the existing air conditioner operates, 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, a people number detection 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 number of people detection module to detect the number of people in the room; and controlling the air blower to select different rotating speeds to operate according to the detected number of indoor people.
In a preferred embodiment of the above air cleaning control method for an air conditioner, after the step of "controlling the blower to operate at a different rotation speed according to the number of detected indoor persons", the control method further comprises: and opening the exhaust valve, closing the air inlet valve and controlling the foul smell adsorption and release unit to release foul smell or 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 the above preferred technical solution of the 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" is performedThe method comprises the following steps: 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 indoor number of people who detects, control the forced draught blower selects different rotational speeds to operate's step specifically includes: controlling the CO2Detection module detects CO in environment2Concentration; based on detected CO in the environment2Controlling the air blower to select different rotating speeds according to the concentration and the detected number of indoor people; when C is less than or equal to C1, and when the detected number of people in the room is less than 3, the blower stops running; when the detected number of people in the room is 3, the blower runs at a first rotating speed; when the detected number of people in the room is 4, the blower operates at a second rotating speed; when the detected number of people in the room is more than 4, the blower operates at a third rotating speed; and/or when C1 < C ≦ C2 and when the detected number of people in the room is 1 person, the blower stops operating; when the detected number of people in the room is 2, the air blower operates at a first rotating speed; when the detected number of people in the room is 3, the blower operates at a second rotating speed; when the detected number of people in the room is more than 3, the blower operates at a third rotating speed; and/or when C2 < C ≦ C3 and when the detected number of people in the room is 1 person, the blower operates at the first rotation speed; when the detected number of people in the room is 2, the blower operates at a second rotating speed; when the detected number of people in the room is more than 2, the blower operates at a third rotating speed; and/or when C > C3, and when the detected number of people in the room is 1 person, the blower is operated at a second speed; and when the detected number of people in the room is more than or equal to 1 person, the air feeder operates at a third rotating speed, wherein C is CO in the environment2The concentrations of C1, C2 and C3 are preset CO2Concentration, the first rotating speed is less than the second rotating speed and less than the third rotating speed.
In the above-mentioned preferable technical solution of the air cleaning control method for an air conditioner, the air cleaning control method comprisesThe 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(ii) a When the C is less than or equal to C1, the air 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 air 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 blower 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。
In a preferred technical solution of the above air cleaning control method for an air conditioner, the number of people detecting module is an infrared detector or a camera.
In a preferred technical solution of the above method for controlling air cleaning of an air conditioner, the foul air adsorbing and releasing unit specifically includes a high-voltage electrostatic adsorbing 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; open discharge valve, close the admission valve, and close high-pressure electrostatic adsorption board, control the forced draught blower is right high-pressure electrostatic adsorption board blows, in order to release the dust that high-pressure electrostatic adsorption board adsorbs.
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.
The technical scheme of the invention includes that the air conditioner comprises an indoor unit, the indoor unit comprises an airflow channel, an air inlet valve, an exhaust valve, a blower, a people number detection 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 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; the control people number detection module detects the number of people in the room; controlling the air feeder to operate at different rotating speeds according to the detected number of indoor people; 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 number of people indoors so as to achieve different foul air or foul substance adsorption efficiencies, and therefore the comfort experience degree of users is improved according to practical application scenes.
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-a venting 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 operates, the air conditioner of the present invention includes an indoor unit 1, the indoor unit 1 includes an air flow channel 11, an air inlet valve 12, an air outlet valve 13, a blower 14, a people number detection module and a foul air adsorption and release unit 15, the air flow channel 11 includes an air inlet channel 111 and an air outlet channel 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 adsorbing and releasing unit 15 are both arranged in the airflow channel 11 and are arranged in such a way that when the blower 14 is opened, when the air inlet valve 12 is opened and the air outlet valve 13 is closed, the indoor air enters the room again after being adsorbed and filtered by the foul air adsorbing and releasing unit 15; 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 gas adsorbing and releasing unit 15 is used for adsorbing or releasing foul gas or foul substances, it is understood by those skilled in the art that the air inlet channel 111 is a channel through which the air flow flows 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 returns to the indoor through the inlet channel outlet 1112 again, so that the indoor air is cleaned; in order to achieve better adsorption effect, or when the foul air adsorbing and releasing unit 15 cannot perform normal adsorption, at this time, the air inlet valve 12 is closed, the air outlet valve 13 is opened, and under the action of the air blower 14, the foul air or the foul air adsorbed on the foul air adsorbing and releasing unit 15 can be discharged to the outside through the air outlet channel 1122, wherein, as shown in fig. 1 and 2, the air 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 air outlet channel 1122 is arranged at the outdoor end of the exhaust pipe, the air conditioner of the present invention can adsorb and release the foul air or the foul air through the foul air adsorbing and releasing unit 15, compared with the prior art that a filter element of a fresh air fan is used for fresh air purification operation, the air conditioner of the present invention does not need to use consumables, and the foul air adsorbing and releasing unit 15 can be reused, in addition, compared with the prior art that a fresh air mode is introduced, the air conditioner provided by the invention does not need heat exchange for purifying indoor air, can avoid frequent starting of a heat exchange module, thereby reducing the service life of the air conditioner, does not need consumables such as a heat exchange filter element, and the like, reduces the maintenance and use cost, and can avoid the phenomenon of indoor local supercooling or overheating.
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 indoor air cleaning is required, the air inlet valve 12 is opened, the air outlet valve 13 is closed, namely the air inlet channel 111 is unblocked, indoor dirty air is introduced into the dirty air adsorption and release unit 15 under the action of the blower 14, and CO is subjected to air cleaning2After 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, automatic detection by the air conditioner may also be possible, 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 people number detection module detects the number of people in the room.
The indoor unit 1 of the air conditioner of the present invention integrates a people number detection module, which can detect the number of people in the room, and as a preferred embodiment, the people number detection module can be an infrared detector or a camera, etc.
In step S3, the blower 14 is controlled to operate at different speeds according to the detected number of people in the room.
The air conditioner of the invention controls the blower 14 to select different rotating speeds to operate according to the detected number of indoor people so as to achieve different CO2For example, when the number of persons in a room is large, CO is produced in the room2Will be higher, so that the speed of the blower 14 can now be increased to increase the CO2The adsorption efficiency of the air conditioner ensures the indoor air quality, so that the air conditioner is more intelligent, and good user experience is achieved.
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 required2Is released, the air intake valve 12 is closed by opening the air exhaust valve 13, i.e. the air exhaust passage 112 is unblocked, under the action of the blower 14By the reaction of CO2So 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 number of detected indoor people, control the blower to select different rotating speeds.
When C is less than or equal to C1, and when the detected number of people in the room is less than 3 people, the blower 14 stops running; when the detected number of people in the room is 3, the blower 14 operates at the first rotating speed; when the detected number of people in the room is 4 people, the blower 14 operates at a second rotating speed; when the number of detected occupants is > 4, the blower 14 is operated at the third rotational speed.
When C1 < C ≦ C2, and when the detected number of persons in the room is 1 person, the blower 14 stops operating; when the detected number of people in the room is 2, the blower 14 operates at the first rotating speed; when the detected number of people in the room is 3, the blower 14 operates at the second rotating speed; when the number of detected occupants is > 3, the blower 14 is operated at the third rotational speed.
When C2 < C ≦ C3, and when the detected number of persons in the room is 1 person, the blower 14 operates at the first rotation speed; when the detected number of people in the room is 2, the blower 14 operates at the second rotating speed; when the number of detected occupants is > 2, the blower 14 is operated at the third rotational speed.
When C > C3, and when the detected number of people in the room is 1 person, blower 14 is operated at the second speed; and when the detected number of people in the room is more than or equal to 1 person, the air blower 14 operates at the third rotating speed.
Wherein C is CO in the environment2The concentrations of C1, C2 and C3 are preset CO2Concentration, first rotating speed < second rotating speed < third rotating speed.
The invention converts CO2The detection results of the detection module are divided into 4 grades, and are described as level 1(C is not more than C1), level 2(C1 is less than C is not more than C2), level3(C2 is less than C3), and level4(C is more than C3), as a preferred embodiment, C1 is 450, C2 is 1000, and C3 is 2000, that is, as shown in table 1.
TABLE 1
Figure BDA0002882792090000091
When the detection result is leave 1, the indoor air quality is excellent, and therefore, if the number of people is less than 3, the blower 14 is turned off and the CO removal is not performed2Working to save electric energy and avoid noise, if the number of people is 3, the indoor CO is generated along with the time2Will slightly increase but will not quickly degrade the indoor air quality, so that the blower 14 is operated at a first speed, i.e. at a low gear, to achieve CO absorption2Can be matched with CO2The effect of the rate of concentration increase, and then the indoor environment quality is continuously kept to be excellent; similarly, when the number of people in the room is 4, the blower 14 operates at the second rotation speed, that is, at the middle gear, and when the number of people in the room is more than 4, the blower 14 operates at the third rotation speed, that is, at the high gear; in a word, the higher the fan rotating speed is, the more CO is adsorbed2The higher the speed of the air blower 14, the higher the number of persons in the room, the higher the rotation speed of the air blower 14, and the better the indoor air qualityAnd meanwhile, the electric energy is saved as much as possible and the noise is reduced.
When the detection result is leave 2, the indoor air quality is good, so if the number of people is 1, the blower 14 is turned off and the CO removal is not performed2Working to save electric power and to avoid noise generation, if the number of the indoor people is 2, the indoor air quality is slightly deteriorated with time, and thus the blower 14 is operated at the first rotation speed, that is, at the low gear to absorb CO2Can be matched with CO2The effect of the rate of concentration increase, thereby maintaining the excellent state of indoor environmental quality; similarly, when the number of people in the room is 3 people, the blower 14 operates at the second rotation speed, that is, at the middle gear, and when the number of people in the room is more than 3 people, the blower 14 operates at the third rotation speed, that is, at the high gear; by increasing the number of people in the room, the rotating speed of the blower 14 is correspondingly increased, so that the indoor air quality can be kept in a good or good state, and meanwhile, the electric energy is saved and the noise is reduced as much as possible.
When the detection result is leave 3, the indoor air quality is poor, and therefore, if the number of people in the room is 1 person, the number of people is small, and therefore, the number of CO is low2The concentration increases slowly, so that the CO removal can be achieved by operating the blower 14 at the first speed, i.e. in the low range2At a rate exceeding that of CO production2The indoor air quality reaches a good state; if the number of indoor persons is 2 persons at this time, the blower 14 is operated at the second rotation speed, i.e., at the middle gear, and if the number of indoor persons is more than 2 persons, the blower 14 is operated at the third rotation speed, i.e., at the high gear, in short, the rotation speed of the blower 14 is correspondingly increased by the increase of the number of indoor persons, so as to remove CO2At a rate exceeding that of CO production2And then to change the indoor air quality to a poor state, and to promote it to a good state.
When the detection result is leee 4, the indoor air quality is very poor, therefore, if the number of people is 1, the blower 14 operates at the second rotation speed, namely at the middle gear, and when the number of people is more than or equal to 1, the blower 14 operates at the second rotation speedOperating at the third speed, i.e. at the high level, since the indoor air quality is very poor, the speed of the blower 14 should be increased to achieve faster CO removal2And, removing CO2At a rate well in excess of the production of CO2And then the indoor air quality is changed to be in a poor state as soon as possible, and the indoor air quality is improved to be in a good state.
In a word, the air cleaning control method of the air conditioner can match the optimal fan rotating speed according to the number of indoor people, so that the excellent indoor air quality is kept, meanwhile, the electric energy can be saved to the maximum extent, and the noise is reduced.
The preferred technical scheme of the step S4 of the invention is as follows: since the foul air adsorbing and releasing unit 15 specifically includes the solid amine adsorbing module and the heating module, the solid amine adsorbing module 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 desorption rate of (a).
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 air 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 first rotation speed < third rotation speed.
The invention converts CO into2The detection results of the detection module are divided into 4 grades, which are described as leve1(C ≦ C1), leve2(C1 < C ≦ C2), level3(C2 < C ≦ C3), and level4(C > C3), as a preferred embodiment, C1 ═ 450, C2 ═ 1000, and C3 ═ 2000, that is, as 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, as shown in table 2:
TABLE 2
Figure BDA0002882792090000121
As can be seen from a combination of tables 1 and 2, 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 degree, and can further improve the indoor air environmentOptimizing the rows; when CO is present in indoor environment2When the concentration is lower, such as leee 2, at this time, the 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 improved compared with the mode one; 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 rotating speed of the blower 14 is increased (third rotating 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 CO can be removed more quickly2Working, and the energy consumption does not reach the highest; 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 the 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. to a good grade of lee 1 and lee 2, or when CO2When 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, and detecting the detected 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 dirty air by the dirty air adsorbing and releasing unit 15, and heat the solid amine adsorbing block by the heating module to release the dirty air, wherein the desorption efficiency of the dirty air increases with the increase of the heating temperature, and in addition, the exhaust pipe of the present invention has a smaller diameter, 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 the concentration is lower, the desorption time is longer on the contrary, the effects of reducing noise and energy consumption can be achieved, and in addition, the number of people in the room is detected through the number detection moduleAnd the corresponding rotating speed of the blower 14 is selected according to the number of indoor people and the indoor concentration so as to keep the indoor air quality in a good state all the time.
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 (6)

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, a people number detection 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 number of people detection module to detect the number of people in the room;
controlling the air feeder to operate at different rotating speeds according to the detected number of indoor people;
after the step of controlling the blower to operate at a different rotation speed according to the number of detected indoor persons, the control method further includes:
opening the exhaust valve, closing the intake valve, and controlling the foul gas adsorption and release unit to release foul gas or foul substances;
the turbid gas adsorption and release unit specifically comprises a solid amine adsorption module and a heating module, and the step of controlling the turbid gas adsorption and release unit to release turbid gas or turbid matters specifically comprises the following steps:
controlling the heating module to heat the solid amine adsorption module to release CO adsorbed by the solid amine2；
The indoor unit further includes CO2A detection module for controlling the heating module to heat the solid amine adsorption module to release the solid amine adsorbed by the solid amineCO of (2)2The 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 air feeder operates at a first rotating speed, the heating temperature is T1, and the desorption time is T1;
when C is more than C1 and less than or equal to C2, the air blower operates at the first rotating speed, the heating temperature is T2, and the desorption time is T2;
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;
when C is more than C3, the air feeder 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.
2. 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.
3. 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 indoor number of people who detects, control the forced draught blower selects different rotational speeds to operate's step specifically includes:
controlling the CO2Detection module detects CO in environment2Concentration;
based on detected CO in the environment2Controlling the air blower to select different rotating speeds according to the concentration and the detected number of indoor people;
when C is less than or equal to C1, and when the detected number of people in the room is less than 3, the blower stops running; when the detected number of people in the room is 3, the air blower operates at a first rotating speed; when the detected number of people in the room is 4, the blower operates at a second rotating speed; when the detected number of people in the room is more than 4, the blower operates at a third rotating speed; and/or the like and/or,
when C1 < C ≦ C2, and when the detected number of detected indoor persons is 1 person, the blower stops operating; when the detected number of people in the room is 2, the air blower operates at a first rotating speed; when the detected number of people in the room is 3, the blower operates at a second rotating speed; when the detected number of people in the room is more than 3, the blower operates at a third rotating speed; and/or the like and/or,
when C2 < C ≦ C3 and when the detected number of people in the room is 1 person, the blower operates at a first rotation speed; when the detected number of people in the room is 2 people, the air feeder operates at a second rotating speed; when the detected number of people in the room is more than 2, the blower operates at a third rotating speed; and/or the like and/or,
when C is greater than C3, and when the detected number of people in the room is 1 person, the blower operates at a second rotating speed; when the detected number of people in the room is more than or equal to 1 person, the air feeder operates at a third rotating speed;
wherein C is CO in the environment2The concentration of C1, C2 and C3 is preset CO2Concentration, the first rotating speed is less than the second rotating speed and less than the third rotating speed.
4. The air cleaning control method for an air conditioner according to claim 1, 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 add the solid amine adsorption moduleHeat to release CO adsorbed by the solid amine2。
5. The air cleaning control method for an air conditioner according to claim 1, wherein the number of people detecting module is an infrared detector or a camera.
6. An air conditioner characterized in that the air conditioner is the air conditioner recited in claims 1 to 5, and comprises a controller configured to be able to execute the air cleaning control method for the air conditioner recited in any one of claims 1 to 5.
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