CN111322694B - Control method and control device of sterilization and disinfection equipment linked with air conditioner and air conditioner - Google Patents

Control method and control device of sterilization and disinfection equipment linked with air conditioner and air conditioner Download PDF

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Publication number
CN111322694B
CN111322694B CN202010165697.3A CN202010165697A CN111322694B CN 111322694 B CN111322694 B CN 111322694B CN 202010165697 A CN202010165697 A CN 202010165697A CN 111322694 B CN111322694 B CN 111322694B
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ultraviolet lamp
lamp tube
air conditioner
titanium dioxide
air
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CN111322694A (en
Inventor
金伟
张承冰
刘龙
刘岷
苗强
孙熠
高洁
曹凯
赵超
张志勇
张洪榜
贾飞飞
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Qingdao Fengte Energy Intelligent Control Co ltd
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Qingdao Fengte Energy Intelligent Control Co ltd
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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
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • 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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/39—Monitoring filter performance
    • 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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—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
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
    • F24F8/167—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using catalytic reactions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
    • 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
    • F24F2110/30—Velocity
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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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)
  • Fuzzy Systems (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mathematical Physics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The invention provides a control method and a control device of a sterilization and disinfection device linked with an air conditioner and the air conditioner, wherein the sterilization and disinfection device is arranged in an air duct of the air conditioner, the sterilization and disinfection device comprises an ultraviolet lamp tube and a titanium dioxide photocatalytic filter, the ultraviolet lamp tube is used for irradiating the titanium dioxide photocatalytic filter to sterilize and disinfect the titanium dioxide photocatalytic filter, and the control method comprises the following steps: acquiring the size of the wind speed in the air duct; calculating the target power of the ultraviolet lamp tube according to the wind speed; and adjusting the current power of the ultraviolet lamp tube to the target power. The ultraviolet lamp tube irradiates the titanium dioxide photocatalytic filter to form active hydroxyl groups with extremely strong oxidizing capability on the surface of the titanium dioxide photocatalytic filter, bacteria and organic pollutants can be decomposed and eliminated, the effects of sterilization, deodorization and air purification are achieved, the power of the ultraviolet lamp tube is adjusted according to the wind speed in the air duct, and the power is high when the wind speed is small and large, so that the energy conservation of an air conditioner is facilitated.

Description

Control method and control device of sterilization and disinfection equipment linked with air conditioner and air conditioner
Technical Field
The invention relates to the technical field of air conditioning, in particular to a control method and a control device of a sterilization and disinfection device linked with an air conditioner and the air conditioner.
Background
The central air conditioner sends the processed air into a room by means of an air duct and an air outlet, a filtering device is arranged in the central air conditioner, but various suspended particles in the air cannot be completely separated by the air conditioner filtering device, and various suspended particles are easy to breed various harmful microorganisms, such as: viruses (coronavirus, SARS virus, Ebola virus), bacteria (Legionella), fungi, etc.
The main harmful substances in the smoke particle phase substances in the cigarette factory are benzo [ a ] pyrene, phenolic compounds, smoke nicotine, nitrosamine and the like. The harmful microorganisms become pollution sources of indoor air gradually, and pathogenic bacteria in a certain area are easy to blow to other areas along with air-conditioning circulating wind to form cross infection.
The prior art discloses an air treatment machine mounting structure of clean operating room, including installing the air treatment unit at the operating room top, the air treatment unit includes the ventilation tuber pipe, the ventilation tuber pipe is equipped with air intake and air intake fan and leads to the external world, the ventilation tuber pipe still is equipped with the fresh air inlet and lets in the operating room, be equipped with the filtration plenum in the ventilation tuber pipe, the filtration plenum is certainly primary filter screen, active carbon filter screen, high-pressure static electric wire netting, ultraviolet fluorescent tube, the titanium dioxide catalysis net that air intake to fresh air inlet distribute gradually, the high-pressure static electric wire netting with ultraviolet fluorescent tube with the titanium dioxide catalysis net all is connected with the power. The brightness of the ultraviolet lamp tube cannot be adjusted, which is not beneficial to saving energy.
Disclosure of Invention
The invention aims to provide a sterilization and disinfection equipment control method linked with an air conditioner, an air conditioner control device and the air conditioner, which can sterilize and disinfect and save energy.
The invention provides a method for controlling a sterilization and disinfection device linked with an air conditioner, wherein the sterilization and disinfection device is arranged in an air duct of the air conditioner and comprises an ultraviolet lamp tube and a titanium dioxide photocatalytic filter, the ultraviolet lamp tube is used for irradiating the titanium dioxide photocatalytic filter to sterilize and disinfect the titanium dioxide photocatalytic filter, and the method comprises the following steps:
acquiring the size of the wind speed in the air channel;
calculating the target power of the ultraviolet lamp tube according to the wind speed;
and adjusting the current power of the ultraviolet lamp tube to the target power.
The calculating the target power of the ultraviolet lamp tube according to the wind speed comprises the following steps:
according to
Figure BDA0002406432610000021
Calculating the power of the ultraviolet lamp tube, wherein R is the radius of the ultraviolet lamp tube, L is the length of the ultraviolet lamp tube, alpha is the total radiation angle coefficient, S is the survival rate of bacteria, D is the energy of a sterilization line required by unit area for reducing the bacteria to 1/10, and V is0Is the measured average wind speed.
The acquiring of the wind speed in the wind channel comprises:
measuring wind speeds at a plurality of points at the same cross section in the wind channel;
calculating an average of the wind speeds at the plurality of points, the average being the measured average wind speed.
Further comprising the steps of:
acquiring the opening brightness of the ultraviolet lamp tube after the air conditioner is started;
judging whether the starting brightness is lower than a preset brightness;
and if the opening brightness is lower than the preset brightness, closing the air conditioner.
If the starting brightness is equal to the preset brightness, the method further comprises the following steps:
acquiring an actual image of the titanium dioxide photocatalytic filter;
calculating the deviation of the actual image and a preset image;
and if the deviation between the actual image and the preset image is greater than the preset deviation, closing the air conditioner.
The invention also provides a control device of a sterilization and disinfection device linked with an air conditioner, wherein the air duct of the air conditioner is internally provided with the sterilization and disinfection device, the sterilization and disinfection device comprises an ultraviolet lamp tube and a titanium dioxide photocatalytic filter, the ultraviolet lamp tube is used for irradiating the titanium dioxide photocatalytic filter to sterilize and disinfect the titanium dioxide photocatalytic filter, and the control device comprises:
the measuring unit is used for acquiring the size of the wind speed in the air channel;
the calculation unit is used for calculating the target power of the ultraviolet lamp tube according to the wind speed;
and the processing unit is used for adjusting the current power of the ultraviolet lamp tube to the target power.
The computing unit comprises a computing subunit for computing a function based on
Figure BDA0002406432610000031
Calculating the target power of the ultraviolet lamp tube, wherein R is the radius of the ultraviolet lamp tube, L is the length of the ultraviolet lamp tube, alpha is the total radiation angle coefficient, S is the survival rate of bacteria, D is the energy of a sterilization line required by unit area for reducing the bacteria to 1/10, and V is0Is the measured average wind speed.
The present invention also provides an air conditioner including:
the air duct is provided with an air inlet and an air outlet;
the ultraviolet lamp tube is arranged in the air duct;
the titanium dioxide photocatalytic filter is arranged in the air duct and is positioned on one side of the ultraviolet lamp tube close to the air outlet;
a controller comprising a memory and a processor, wherein the memory and the processor are connected with each other in a communication way, the memory stores computer instructions, and the processor executes the computer instructions so as to execute the claimed sterilization and disinfection equipment control method linked with the air conditioner.
The length extension direction of the ultraviolet lamp tube is parallel to the flow direction of air passing through the ultraviolet lamp tube.
An installation frame is arranged in the air duct, a lamp tube socket is arranged on the installation frame, and the ultraviolet lamp tube is connected with the lamp tube socket in an inserting mode.
The technical scheme of the invention has the following advantages:
1. the invention provides a control method of a sterilization and disinfection device linked with an air conditioner, which is characterized in that an ultraviolet lamp tube and a titanium dioxide photocatalytic filter are arranged in an air duct of the air conditioner, the ultraviolet lamp tube is used for irradiating the titanium dioxide photocatalytic filter, so that active hydroxyl with extremely strong oxidizing capability is formed on the surface of the titanium dioxide photocatalytic filter, bacteria and organic pollutants can be decomposed and eliminated, and the organic pollutants are decomposed into pollution-free water and carbon dioxide, thereby achieving the effects of sterilization, disinfection, deodorization and air purification.
2. The invention provides a method for controlling a sterilization and disinfection device linked with an air conditioner, which further comprises the following steps: acquiring the opening brightness of the ultraviolet lamp tube after the air conditioner is started; judging whether the starting brightness is lower than a preset brightness; if the opening brightness is lower than the preset brightness, the air conditioner is closed, the ultraviolet lamp tube is subjected to self-checking when the air conditioner is started, dust possibly accumulated on the ultraviolet lamp tube is judged when the opening brightness is lower than the preset brightness, the air conditioner is closed, and the ultraviolet lamp tube is cleaned.
3. The invention provides a control method of a sterilization and disinfection device linked with an air conditioner, which comprises the following steps if the starting brightness is equal to the preset brightness: acquiring an actual image of the titanium dioxide photocatalytic filter; calculating the deviation of the actual image and a preset image; if the deviation between the actual image and the preset image is larger than the preset deviation, the air conditioner is turned off, the titanium dioxide photocatalytic filter is subjected to self-inspection after the self-inspection of the ultraviolet lamp tube is completed, if the deviation between the actual image and the preset image of the titanium dioxide photocatalytic filter is larger than the preset deviation, it is judged that dust is deposited on the titanium dioxide photocatalytic filter, the air conditioner is turned off, and the titanium dioxide photocatalytic filter is cleaned.
4. The invention provides a sterilization and disinfection equipment control device linked with an air conditioner, which comprises: the measuring unit is used for acquiring the size of the wind speed in the air channel; the calculation unit is used for calculating the target power of the ultraviolet lamp tube according to the wind speed; the air conditioner control device adjusts the power of the ultraviolet lamp tube according to the size of the wind speed in the wind channel, and is low in power when the wind speed is small and high in power when the wind speed is large, so that the energy conservation of the air conditioner is facilitated under the condition that the sterilization and disinfection are not influenced.
5. According to the air conditioner provided by the invention, the ultraviolet lamp tube and the titanium dioxide photocatalytic filter are arranged in the air duct of the air conditioner, the ultraviolet lamp tube is used for irradiating the titanium dioxide photocatalytic filter, so that active hydroxyl with extremely strong oxidizing capability is formed on the surface of the titanium dioxide photocatalytic filter, bacteria and organic pollutants can be decomposed and eliminated, and the organic pollutants are decomposed into pollution-free water and carbon dioxide, so that the effects of sterilization, disinfection, deodorization and air purification are achieved, and the processor of the air conditioner executes the control method of the sterilization and disinfection equipment linked with the air conditioner.
6. According to the air conditioner provided by the invention, the length extension direction of the ultraviolet lamp tube is parallel to the flow direction of air passing through the ultraviolet lamp tube, so that dust is not easily accumulated outside the ultraviolet lamp tube.
7. According to the air conditioner provided by the invention, the installation frame is arranged in the air duct, the lamp tube socket is arranged on the installation frame, the ultraviolet lamp tube is connected with the lamp tube socket in an inserting manner, and the ultraviolet lamp tube is convenient to disassemble and assemble and is convenient to clean.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a wind speed sensor distribution state when measuring wind speed according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of an air conditioner in which an ultraviolet lamp and a lamp socket are separated from each other according to embodiment 3 of the present invention;
FIG. 3 is a schematic view of the UV tube of FIG. 2 mounted to a tube socket;
description of reference numerals:
1-ultraviolet lamp tube; 2-inserting a pin; 3-lamp socket; 4-socket hole.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The embodiment provides a control method of a sterilization and disinfection device linked with an air conditioner, the air conditioner is specifically a central air conditioner, the sterilization and disinfection device is arranged in an air duct of the air conditioner, the sterilization and disinfection device comprises an ultraviolet lamp tube and a titanium dioxide photocatalytic filter, the ultraviolet lamp tube is used for irradiating the titanium dioxide photocatalytic filter to sterilize and disinfect the titanium dioxide photocatalytic filter so as to decompose and expel bacteria and organic pollutants, and decompose the organic pollutants into pollution-free water and carbon dioxide, thereby achieving the effects of sterilization, disinfection, deodorization and air purification.
The control method of the sterilization and disinfection equipment linked with the air conditioner comprises the following steps:
step S1: and acquiring the size of the wind speed in the wind channel.
Under the condition that the cross section area of the air channel is fixed, the larger the air speed is, the larger the air quantity in unit time is. Specifically, the method comprises the following steps:
measuring the wind speeds at a plurality of points on the same section in the air duct; and calculating the average value of the wind speeds at a plurality of points, wherein the average value is the measured average wind speed. As shown in figure 1, 5 wind speed detection points are arranged on the cross section of the air duct, 5 wind speed sensors are respectively positioned at the four corners and the center of the rectangular frame, and the speeds measured by the 5 wind speed sensors are respectively VA、VB、VC、VD、VEIn actual measurement, the area of each rectangle is not more than 0.05m2, and the long side of the rectangle is not more than 220 mm. According to
Figure BDA0002406432610000071
Figure BDA0002406432610000072
Figure BDA0002406432610000081
Calculating the actual average wind speed V0。
Step S2: and calculating the target power of the ultraviolet lamp tube according to the wind speed. The power of the ultraviolet lamp tube is adjusted according to the wind speed in the air duct, and the power is high when the wind speed is small, the power is low and the wind speed is large, so that the energy conservation of an air conditioner is facilitated under the condition that the sterilization and disinfection are not influenced, and the service life of the ultraviolet lamp tube can be prolonged.
The method comprises the following steps:
according to
Figure BDA0002406432610000082
Calculating the power of the ultraviolet lamp tube, wherein R is the radius of the ultraviolet lamp tube, L is the length of the ultraviolet lamp tube, alpha is the total radiation angle coefficient, S is the survival rate of bacteria, D is the energy of the sterilization line required by unit area for reducing the bacteria to 1/10, and V is0Is the measured average wind speed.
Wherein S is the survival rate of bacteria, the survival rate can be set to be 1% according to the requirement, the corresponding sterilization rate is 99%, the survival rate is 5%, and the corresponding sterilization rate is 95%.
Step S3: and adjusting the current power of the ultraviolet lamp tube to the target power.
The air conditioner control method further comprises the following steps:
acquiring the opening brightness of the ultraviolet lamp tube after the air conditioner is started;
judging whether the starting brightness is lower than a preset brightness;
and if the opening brightness is lower than the preset brightness, closing the air conditioner. When the air conditioner is started, the ultraviolet lamp tube is subjected to self-checking, when the opening brightness is lower than the preset brightness, the ultraviolet lamp tube is judged to be possibly dusted, the air conditioner is turned off, and the ultraviolet lamp tube is cleaned. When the starting brightness is lower than the preset brightness, the ultraviolet lamp tube may be used for a long time, the resistance is increased, and the ultraviolet lamp tube needs to be replaced.
If the starting brightness is equal to the preset brightness, the method further comprises the following steps:
acquiring an actual image of the titanium dioxide photocatalytic filter;
calculating the deviation between the actual image and the preset image;
and if the deviation between the actual image and the preset image is greater than the preset deviation, closing the air conditioner. And after the self-checking of the ultraviolet lamp tube is finished, the titanium dioxide photocatalytic filter is subjected to self-checking, if the deviation between the actual image of the titanium dioxide photocatalytic filter and the preset image is greater than the preset deviation, the fact that dust is deposited on the titanium dioxide photocatalytic filter is judged, the air conditioner is turned off, and the titanium dioxide photocatalytic filter is cleaned.
In the control method of the sterilization and disinfection equipment linked with the air conditioner, the ultraviolet lamp tube is linked to be opened when the air conditioner is started, and the ultraviolet lamp tube is linked to be closed when the air conditioner is shut down.
Example 2
The embodiment provides a disinfecting and sterilizing equipment controlling means with air conditioner linkage, is provided with disinfecting and sterilizing equipment in the wind channel of air conditioner, disinfecting and sterilizing equipment includes ultraviolet fluorescent tube, titanium dioxide photocatalysis filter, and the ultraviolet fluorescent tube is used for shining titanium dioxide photocatalysis filter, makes titanium dioxide photocatalysis filter disinfect and disinfect to decompose bacterium and organic pollutant and drive away, and decompose organic pollutant into non-contaminated water and carbon dioxide, reach the effect of disinfecting and sterilizing, deodorization, air purification.
The sterilization and disinfection equipment control device linked with the air conditioner comprises a measuring unit, a calculating unit and a processing unit. The measuring unit is used for acquiring the size of the wind speed in the air duct; the calculation unit is used for calculating the target power of the ultraviolet lamp tube according to the wind speed; the processing unit is used for adjusting the current power of the ultraviolet lamp tube to the target power.
The computing unit comprises a computing subunit for computing a function based on
Figure BDA0002406432610000091
Calculating the target power of the ultraviolet lamp tube, wherein R is the radius of the ultraviolet lamp tube, L is the length of the ultraviolet lamp tube, alpha is the total radiation angle coefficient, S is the survival rate of bacteria, D is the energy of the sterilization line required by unit area for reducing the bacteria to 1/10, and V is0Is the measured average wind speed.
Example 3
The embodiment provides an air conditioner, which comprises an air duct, an ultraviolet lamp tube 1, a titanium dioxide photocatalytic filter and a controller.
The air duct is provided with an air inlet and an air outlet, and air enters through the air inlet, is sterilized and disinfected through the ultraviolet lamp tube 1 and the titanium dioxide photocatalytic filter and then is blown out through the air outlet.
The ultraviolet lamp tube 1 is arranged in the air duct. Specifically, an installation frame is arranged in the air duct, and the ultraviolet lamp tube 1 is arranged on the installation frame.
The titanium dioxide photocatalytic filter is arranged in the air duct and is positioned on one side of the ultraviolet lamp tube 1 close to the air outlet.
And the controller comprises a memory and a processor, the memory and the processor are mutually communicated and connected, the memory stores computer instructions, and the processor executes the computer instructions so as to execute the sterilization and disinfection equipment control method linked with the air conditioner, which is provided by the embodiment 1.
In the present embodiment, the length extending direction of the ultraviolet lamp 1 is parallel to the flow direction of the air passing through the ultraviolet lamp 1. By the arrangement, dust does not have an attachment surface perpendicular to the wind direction outside the ultraviolet lamp tube 1, and the ultraviolet lamp tube 1 has a smooth surface and is not easy to accumulate dust.
As shown in fig. 2 and fig. 3, a mounting frame is disposed in the air duct, a lamp socket 3 is disposed on the mounting frame, and the ultraviolet lamp 1 is inserted into the lamp socket 3. Specifically, the lamp tube socket 3 is fixed on the installation frame, the lamp tube bracket is arranged at a position opposite to the installation frame, the lamp tube socket 3 is provided with the socket hole 4, when the ultraviolet lamp tube 1 is installed, the ultraviolet lamp tube 1 is firstly horizontally arranged, the top end of the ultraviolet lamp tube 1 is arranged in the lamp tube bracket, the pin 2 of the ultraviolet lamp tube 1 is aligned with the socket hole 4 and inserted along the horizontal direction, and when the ultraviolet lamp tube 1 is replaced, the ultraviolet lamp tube 1 is horizontally pulled out towards the opposite direction of the lamp tube socket 3, so that the pin 2 is separated from the socket hole 4.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (8)

1. A control method of a sterilization and disinfection device linked with an air conditioner is characterized in that the sterilization and disinfection device is arranged in an air duct of the air conditioner and comprises an ultraviolet lamp tube and a titanium dioxide photocatalytic filter, wherein the ultraviolet lamp tube is used for irradiating the titanium dioxide photocatalytic filter to sterilize and disinfect the titanium dioxide photocatalytic filter, and the control method comprises the following steps:
acquiring the size of the wind speed in the air channel;
calculating the target power of the ultraviolet lamp tube according to the wind speed;
adjusting the current power of the ultraviolet lamp tube to the target power;
the calculating the target power of the ultraviolet lamp tube according to the wind speed comprises the following steps:
according to
Figure FDA0002842907100000011
Calculating the power of the ultraviolet lamp tube, wherein R is the radius of the ultraviolet lamp tube, L is the length of the ultraviolet lamp tube, alpha is the total radiation angle coefficient, S is the survival rate of bacteria, D is the energy of a sterilization line required by unit area for reducing the bacteria to 1/10, and V is0Is the measured average wind speed.
2. The method for controlling the sterilization and disinfection equipment linked with the air conditioner as claimed in claim 1, wherein the obtaining of the wind speed in the wind channel comprises:
measuring wind speeds at a plurality of points at the same cross section in the wind channel;
calculating an average of the wind speeds at the plurality of points, the average being the measured average wind speed.
3. The method for controlling a sterilizing and disinfecting device in linkage with an air conditioner as claimed in claim 1, further comprising the steps of:
acquiring the opening brightness of the ultraviolet lamp tube after the air conditioner is started;
judging whether the starting brightness is lower than a preset brightness;
and if the opening brightness is lower than the preset brightness, closing the air conditioner.
4. The method as claimed in claim 3, further comprising the steps of, if the on-state brightness is equal to the preset brightness:
acquiring an actual image of the titanium dioxide photocatalytic filter;
calculating the deviation of the actual image and a preset image;
and if the deviation between the actual image and the preset image is greater than the preset deviation, closing the air conditioner.
5. The utility model provides a disinfecting and sterilizing equipment controlling means with air conditioner linkage, be provided with disinfecting and sterilizing equipment in the wind channel of air conditioner, disinfecting and sterilizing equipment includes ultraviolet fluorescent tube, titanium dioxide photocatalysis filter, the ultraviolet fluorescent tube is used for shining titanium dioxide photocatalysis filter makes the disinfection of titanium dioxide photocatalysis filter, its characterized in that includes:
the measuring unit is used for acquiring the size of the wind speed in the air channel;
the calculation unit is used for calculating the target power of the ultraviolet lamp tube according to the wind speed;
the processing unit is used for adjusting the current power of the ultraviolet lamp tube to the target power;
the computing unit comprises a computing subunit for computing a function based on
Figure FDA0002842907100000021
Calculating the target power of the ultraviolet lamp tube, wherein R is the radius of the ultraviolet lamp tube, L is the length of the ultraviolet lamp tube, alpha is the total radiation angle coefficient, S is the survival rate of bacteria, D is the energy of a sterilization line required by unit area for reducing the bacteria to 1/10, and V is0Is the measured average wind speed.
6. An air conditioner, comprising:
the air duct is provided with an air inlet and an air outlet;
the ultraviolet lamp tube is arranged in the air duct;
the titanium dioxide photocatalytic filter is arranged in the air duct and is positioned on one side of the ultraviolet lamp tube close to the air outlet;
a controller comprising a memory and a processor, wherein the memory and the processor are connected with each other in a communication way, the memory stores computer instructions, and the processor executes the computer instructions so as to execute the sterilization and disinfection equipment control method linked with the air conditioner according to any one of claims 1 to 4.
7. The air conditioner as claimed in claim 6, wherein the ultraviolet lamp has a length extending direction parallel to a flow direction of air passing through the ultraviolet lamp.
8. The air conditioner as claimed in claim 6, wherein a mounting frame is disposed in the air duct, a lamp socket is disposed on the mounting frame, and the ultraviolet lamp is connected to the lamp socket.
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