CN111412563B - Air conditioning unit with disinfection function and disinfection control method - Google Patents

Air conditioning unit with disinfection function and disinfection control method Download PDF

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Publication number
CN111412563B
CN111412563B CN202010190467.2A CN202010190467A CN111412563B CN 111412563 B CN111412563 B CN 111412563B CN 202010190467 A CN202010190467 A CN 202010190467A CN 111412563 B CN111412563 B CN 111412563B
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Prior art keywords
air
electric valve
control system
solution
automatic control
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CN202010190467.2A
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CN111412563A (en
Inventor
王亮添
黄国斌
唐力
谢永健
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Guangdong Shenling Environmental Systems Co Ltd
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Guangdong Shenling Environmental Systems 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
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • 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
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • 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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting 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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • 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
    • 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
    • F24F8/24—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media
    • 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)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Fuzzy Systems (AREA)
  • Fluid Mechanics (AREA)
  • Human Computer Interaction (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Central Air Conditioning (AREA)

Abstract

The invention discloses an air conditioning unit with a disinfection function and a disinfection control method, the air conditioning unit comprises a shell, a fresh air inlet and a return air inlet which are arranged on the air inlet side of the shell, and an air supply opening which is arranged on the air supply side of the shell, the air conditioning unit also comprises a liquid supply mechanism, a filter assembly, an evaporator, a decontamination assembly, an aerodynamic device and an automatic control system are sequentially arranged in the shell along the air inlet to air supply direction, the decontamination assembly is connected with the liquid supply mechanism, the decontamination assembly comprises an atomization decontamination device and a water blocking and mist collecting device which are sequentially arranged along the air inlet to air supply direction, and the atomization decontamination device is connected with the liquid supply mechanism; the air conditioning unit with the disinfection function comprises a liquid supply mechanism and a decontamination assembly, wherein the decontamination solution is atomized into aerosol particles through the atomization decontamination device and is conveyed into a cold and warm area governed by the air conditioning unit, so that the area is disinfected, the clean degree of the environment is improved, and the safety risk in the environment is reduced.

Description

Air conditioning unit with disinfection function and disinfection control method
Technical Field
The invention relates to the technical field of heating ventilation air conditioning, in particular to an air conditioning unit with a disinfection function and a disinfection control method.
Background
The existing terminal type air treatment machine is internally provided with sterilizing and disinfecting devices such as ultraviolet lamps, ozone generators, electronic filters, nano photocatalysts, photo-hydrogen ions or enzymes for sterilizing and disinfecting the air discharged from the air treatment machine, so that the air conveyed to the environment is ensured to be clean.
However, the existing air treatment machine can only sterilize and disinfect the air discharged by the air treatment machine, but cannot sterilize and disinfect the cold and warm areas in the jurisdiction, and if bacteria or viruses subside on the ground, the wall, the table and the chair and the like in the jurisdiction, the safety risk still exists for people in the jurisdiction.
It can be seen that there is a need for improvements and improvements in the art.
Disclosure of Invention
In view of the shortcomings of the prior art, the invention aims to provide an air conditioning unit with a disinfection function and a disinfection control method, wherein the air conditioning unit comprises an atomization decontamination device, an antiseptic solution is atomized into aerosol particles through the atomization decontamination device, and a cooling and heating area governed by the air conditioning unit is sterilized and disinfected, so that the clean degree of the environment is improved, and the safety risk in the environment is reduced.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides an air conditioning unit that possesses disinfection function, includes the casing, fresh air inlet and return air inlet have been seted up to the air inlet side of casing, the supply-air outlet has been seted up to the air supply side of casing, air conditioning unit still includes liquid feed mechanism, fresh air inlet department is provided with new trend motorised valve, return air inlet department is provided with the return air motorised valve, supply-air inlet department is provided with the air supply motorised valve, filter unit, evaporimeter, decontamination subassembly, aerodynamic device and autonomous system have been set gradually along the air inlet to the air supply direction in the casing, decontamination subassembly is connected with liquid feed mechanism, decontamination subassembly includes along the atomizing decontamination device and the manger plate fog collecting device that air inlet to the air supply direction set gradually, the atomizing decontamination device is connected with liquid feed mechanism.
In the air conditioning unit with the disinfection function, the liquid supply mechanism comprises a solution tank, a solution electric valve, a pressure pump, a pressure controller and a voltage-stabilizing electric valve which are sequentially connected, wherein the voltage-stabilizing electric valve is connected with the atomization decontamination device, and the solution electric valve, the pressure pump, the pressure controller and the voltage-stabilizing electric valve are respectively and electrically connected with the automatic control system.
In the air conditioning unit with the disinfection function, an sterilizing solution placing part and a humidifying solution placing part are arranged in the solution box, the solution electric valve is a three-way reversing valve, a first port of the solution electric valve is connected with the sterilizing solution placing part, a second port of the solution electric valve is connected with the humidifying solution placing part, and a third port of the solution electric valve is connected with a pressure pump.
In the air conditioning unit with the disinfection function, a noise reduction assembly is further arranged in the shell, and the noise reduction assembly is arranged at the air supply side of the automatic control system.
In the air conditioning unit with the disinfection function, the noise reduction assembly comprises a flow equalizing device and a silencing device which are sequentially arranged along the air inlet to air supply direction.
In the air conditioning unit with the disinfection function, the filter assembly comprises a primary filter and a photo-hydrogen filter which are sequentially arranged along the air inlet to air supply direction.
The invention also correspondingly provides a disinfection control method of the air conditioning unit with the disinfection function, which comprises the following steps:
s100, presetting a degerming pressure value P1, a degerming mode first-stage operation time T1, a degerming mode second-stage operation time T2 and a degerming mode third-stage operation time T3 in an automatic control system;
s200, after an automatic control system receives an instruction of operating a sterilization mode, the automatic control system starts to record the operation time T4 of the air conditioning unit, and controls a fresh air electric valve, a return air electric valve and an air supply electric valve to be opened and controls a liquid supply mechanism, an atomization sterilization device and an aerodynamic device to start to work, wherein the liquid supply mechanism supplies sterilization solution to the atomization sterilization device, and the sterilization solution atomized into aerosol particles is conveyed into a cold and warm area governed by the air conditioning unit through the aerodynamic device;
s300, comparing the sizes of T4 and T1 by an automatic control system, and if T4 is more than T1, controlling a fresh air electric valve to be closed by the automatic control system, stopping working of a liquid supply mechanism and performing variable-frequency low-speed operation of an aerodynamic device by the automatic control system;
s400, comparing the sizes of T4 and T2 by an automatic control system, and if T4 is more than T2, controlling a fresh air electric valve to be opened, a return air electric valve to be closed and controlling the aerodynamic device to run at full speed by the automatic control system;
s500, the automatic control system compares the sizes of the T4 and the T3, and if the T4 is more than the T3, the automatic control system controls the air conditioning unit to exit the sterilization mode.
The beneficial effects are that:
the invention provides an air conditioning unit with a disinfection function and a disinfection control method, wherein the air conditioning unit comprises a liquid supply mechanism and a decontamination component, a decontamination solution is atomized into aerosol particles by an atomization decontamination device, fresh and return air carries the aerosol-like decontamination solution to be conveyed into a cold and warm area governed by the air conditioning unit by an aerodynamic device, and the area is disinfected, so that the clean degree of the environment is improved, and the safety risk in the environment is reduced; the disinfection control method of the air conditioning unit with the disinfection function ensures the normal operation and exit of the disinfection mode of the air conditioning unit and solves the problem of odor cleaning after the operation of the disinfection mode.
Drawings
FIG. 1 is a system configuration diagram of an air conditioning unit provided by the present invention;
fig. 2 is a control flow chart of the disinfection control method provided by the invention.
Description of main reference numerals: 1-shell, 11-fresh air inlet, 12-return air inlet, 13-air supply inlet, 21-primary filter, 22-optical hydrogen filter, 3-evaporator, 41-atomization decontamination device, 42-water retaining and mist collecting device, 5-aerodynamic device, 6-automatic control system, 71-flow equalizing device, 72-muffler device, 81-solution tank, 82-solution electric valve, 83-pressure pump, 84-pressure controller and 85-voltage stabilizing electric valve.
Detailed Description
The invention provides an air conditioning unit with a disinfection function and a disinfection control method, which are used for making the purposes, the technical scheme and the effects of the invention clearer and more definite, and the invention is further described in detail below by referring to the accompanying drawings and the embodiments.
In the description of the present invention, it should be understood that the terms "mounted," "connected," and the like should be construed broadly, and that the specific meaning of the terms in the present invention may be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, the invention provides an air conditioning unit with a disinfection function, which comprises a shell 1, wherein a fresh air inlet 11 and a return air inlet 12 are formed in an air inlet side of the shell 1, an air supply outlet 13 is formed in an air supply side of the shell 1, the air conditioning unit further comprises a liquid supply mechanism, a fresh air electric valve is arranged at the fresh air inlet 11, a return air electric valve is arranged at the return air inlet 12, an air supply electric valve is arranged at the air supply outlet 13, a filter assembly, an evaporator 3, a decontamination assembly, an aerodynamic device 5 and an automatic control system 6 are sequentially arranged in the shell 1 along an air inlet-to-air supply direction, the decontamination assembly is connected with the liquid supply mechanism, the decontamination assembly comprises an atomization decontamination device 41 and a water blocking and fog collecting device 42 which are sequentially arranged along the air inlet-to-air supply direction, and the atomization decontamination device 41 is connected with the liquid supply mechanism; the fresh air electric valve, the return air electric valve, the air supply electric valve, the filtering component, the decontamination component and the aerodynamic device 5 are respectively and electrically connected with the automatic control system 6; in this embodiment, the evaporator 3 may be, but is not limited to, a straight Peng Shi evaporator or a surface cooler, and the aerodynamic device 5 may be, but is not limited to, a centrifugal fan or a fan wall composed of several centrifugal fans.
The outdoor fresh air and the indoor return air enter the shell 1 through the fresh air port 11 and the return air port 12 respectively, the mixing proportion of the fresh air and the return air can be preset in the automatic control system 6, and the automatic control system 6 adjusts the opening of the fresh air electric valve and the opening of the return air electric valve according to the mixing proportion; the mixed fresh and return air is filtered by the filter assembly, the impurities and pollutants contained in the mixed fresh and return air are cooled by the evaporator 3, the air conveyed by the air conditioning unit is ensured to meet the comfort temperature requirement, and the cooled air is further subjected to the atomization decontamination device 41; when the air conditioning unit operates in the sterilizing mode, the liquid supply mechanism provides sterilizing solution for the atomization sterilizing device 41, and the atomization sterilizing device 41 atomizes the sterilizing solution into aerosol particles; the fresh air and the return air carry the aerosol-like sterilizing solution to pass through the water retaining and mist collecting device 42, and the water retaining and mist collecting device 42 is used for recovering the aerosol-like sterilizing solution with larger mass, so that the atomizing effect of the sterilizing solution in the fresh air and the return air is ensured; the treated fresh air and return air are finally supplied with power through the aerodynamic device 5, and are conveyed into the cold and warm area governed by the air conditioning unit from the air supply opening 13, and the aerodynamic device 5 provides a required power source for ventilation in the area governed by the air conditioning unit, so that sufficient air quantity and static pressure are ensured.
The air conditioning unit with the disinfection function comprises a decontamination component and a liquid supply mechanism, wherein the liquid supply mechanism provides disinfection solution for the atomization decontamination device 41, the disinfection solution is atomized into aerosol particles through the atomization decontamination device 41, the water retaining and mist collecting device 42 can recover the aerosol disinfection solution with larger mass, and the consumption of the disinfection solution is saved; the fresh air and the return air carry the aerosol-like sterilizing solution and are conveyed into a cold and warm area governed by an air conditioning unit by the aerodynamic device 5, so that the area can be effectively sterilized and disinfected, the cleanliness of the environment is improved, and the safety risk in the environment is reduced.
Further, referring to fig. 1, the liquid supply mechanism includes a solution tank 81, a solution electric valve 82, a pressure pump 83, a pressure controller 84, and a pressure stabilizing electric valve 85, which are sequentially connected, wherein the pressure stabilizing electric valve 85 is connected with the atomization decontamination device 41, and the solution electric valve 82, the pressure pump 83, the pressure controller 84, and the pressure stabilizing electric valve 85 are respectively electrically connected with the automatic control system 6; the pressure pump 83 is used for providing power for the solution conveying in the solution tank 81; the pressure controller 84 is configured to detect a pressure value in the pipeline in real time, and feed back the detected pressure value to the automatic control system 6; the automatic control system 6 can adjust the opening of the pressure-stabilizing electric valve 85 so as to realize the adjustment of the solution conveying amount in the pipeline.
Further, referring to fig. 1, an antiseptic solution placing portion and a humidifying solution placing portion are disposed in the solution tank 81, the solution electric valve 82 is a three-way reversing valve, a first port of the solution electric valve 82 is connected with the antiseptic solution placing portion, a second port of the solution electric valve 82 is connected with the humidifying solution placing portion, and a third port of the solution electric valve 82 is connected with the pressure pump 83; when the air conditioning unit operates in the sterilizing mode, the solution electric valve 82 is respectively connected with the sterilizing solution placing part and the pressure pump 83, and the liquid supply mechanism supplies sterilizing solution to the atomization sterilizing device 41 so as to meet the sterilizing and disinfecting requirements in the cold and warm areas governed by the air conditioning unit; when the air conditioner exits the sterilization mode, the solution electric valve 82 is respectively connected with the humidifying solution placing part and the pressure pump 83, and the liquid supply mechanism supplies humidifying solution to the atomization decontamination device 41 so as to meet the humidity control requirement in the cold and warm areas governed by the air conditioner unit.
Further, referring to fig. 1, a noise reduction assembly is further disposed in the housing 1, and the noise reduction assembly is disposed at the air supply side of the automatic control system 6 and is used for reducing noise generated when the air conditioning unit is operated.
Further, referring to fig. 1, the noise reduction assembly includes a flow equalizer 71 and a muffler 72 sequentially disposed along a direction from air intake to air supply, the flow equalizer 71 is configured to equalize air flow discharged from the air conditioning unit, reduce air flow noise, and the muffler 72 is configured to reduce noise generated when the air conditioning unit works; in this embodiment, the flow equalizer 71 may be, but not limited to, a flow guide wall composed of a plurality of flow guide plates, and the muffler 72 is a muffler in an air conditioning unit in the prior art.
Further, referring to fig. 1, the filter assembly includes a primary filter 21 and a photo-hydrogen filter 22 sequentially arranged along the air inlet-to-air direction, the primary filter 21 is used for primarily filtering larger particle dust and impurities in the air, and the photo-hydrogen filter 22 is used for further filtering smaller particles, gaseous pollutants and microorganisms in the fresh air, so as to effectively prevent airborne disease pathogens, improve the cleanliness of the air, and reduce the safety risk of the environment; in other embodiments, an electronic filter or a hybrid device of an electronic filter and an optical hydrogen filter may be employed as a further filtering device.
Referring to fig. 2, the present invention further provides a disinfection control method for an air conditioning unit with a disinfection function, by matching an automatic control system 6 with each component or mechanism, the disinfection and the sterilization in an internal warm area managed by the air conditioning unit are completed, the operation and the exit of a disinfection mode are effectively realized, and the problem of odor residue existing after the operation of the disinfection mode is solved; the sterilization control method comprises the following steps:
s100, a sterilization pressure value P1, a sterilization mode first-stage operation time T1, a sterilization mode second-stage operation time T2 and a sterilization mode third-stage operation time T3 are preset in the automatic control system 6; in this embodiment, the first-stage operation time T1 of the sterilization mode may be set according to the actual environmental sterilization requirement, in this embodiment, T1 may be set to 30 minutes, and the T2 and T3 may be adjusted according to the size change of T1, generally, if T1 becomes smaller, T2 and T3 may also become relatively smaller, in this embodiment, T2 may be set to 20 minutes, and T3 may be set to 30 minutes.
And S200, after the automatic control system 6 receives an instruction of operating the sterilizing mode, the automatic control system 6 starts to record the operating time T4 of the air conditioning unit, the automatic control system 6 controls the fresh air electric valve, the return air electric valve and the air supply electric valve to be opened and controls the liquid supply mechanism, the atomization sterilizing device 41 and the aerodynamic device 5 to start to work, the liquid supply mechanism supplies sterilizing solution to the atomization sterilizing device 41, and the sterilizing solution atomized into aerosol particles is conveyed into a cooling and heating area governed by the air conditioning unit through the aerodynamic device 5.
When the air conditioning unit operates in the sterilizing mode, the automatic control system 6 controls the solution electric valve 82 to be respectively communicated with the sterilizing solution placing part and the pressure pump 83, the automatic control system 6 controls the pressure pump 83 to start, and the liquid supply mechanism starts to supply sterilizing solution to the atomization sterilizing device 41; the pressure controller 84 detects the pressure value P2 in the pipeline in real time, the automatic control system 6 compares the magnitudes of P1 and P2, and adjusts the opening of the voltage-stabilizing electric valve 85 according to the comparison result through a PID algorithm, so as to improve the atomization effect of the sterilizing solution sprayed from the atomization decontamination device 41.
S300, the automatic control system 6 compares the sizes of T4 and T1, and if T4 is more than T1, the automatic control system 6 controls the fresh air electric valve to be closed, the liquid supply mechanism to stop working and the aerodynamic device 5 to operate at a low frequency; after the air conditioning unit completes the cyclic sterilization of the first stage, the automatic control system 6 controls the fresh air electric valve to be closed, and the air return containing the aerosol is continuously circulated in the cold and warm areas governed by the air conditioning unit through the air conditioning unit, so that all areas in the areas can be disinfected and sterilized, and the sterilizing effect is improved.
S400, the automatic control system 6 compares the sizes of the T4 and the T2, and if the T4 is more than the T2, the automatic control system 6 controls the fresh air electric valve to be opened, the return air electric valve to be closed and the aerodynamic device 5 to run at full speed; after the air conditioning unit passes through the further sterilization of the second stage, the automatic control system 6 controls the return air electric valve to be closed, the fresh air electric valve to be opened, outdoor fresh and clean air is conveyed indoors, residual air of the first stage and the second stage is completely discharged outdoors, ventilation work of indoor environment is completed, and the problem of peculiar smell residue after the sterilization mode operation is solved.
S500, the automatic control system 6 compares the sizes of T4 and T3, if T4 is more than T3, the automatic control system 6 controls the air conditioning unit to exit the sterilization mode and restore to the normal operation mode, wherein the normal operation mode refers to that the air conditioning unit selects a proper operation mode according to the indoor temperature condition and the outdoor temperature condition so as to meet the temperature control requirement in the jurisdiction, such as the operation refrigeration mode of the air conditioning unit in summer in the prior art.
It will be understood that equivalents and modifications will occur to those skilled in the art based on the present invention and its spirit, and all such modifications and substitutions are intended to be included within the scope of the present invention.

Claims (6)

1. The control method of the air conditioning unit with the disinfection function comprises a shell, wherein a fresh air inlet and a return air inlet are formed in the air inlet side of the shell, and an air supply outlet is formed in the air supply side of the shell; the control method comprises the following steps:
s100, presetting a degerming pressure value P1, a degerming mode first-stage operation time T1, a degerming mode second-stage operation time T2 and a degerming mode third-stage operation time T3 in an automatic control system; s200, after an automatic control system receives an instruction of operating a sterilization mode, the automatic control system starts to record the operation time T4 of the air conditioning unit, and controls a fresh air electric valve, a return air electric valve and an air supply electric valve to be opened and controls a liquid supply mechanism, an atomization sterilization device and an aerodynamic device to start to work, wherein the liquid supply mechanism supplies sterilization solution to the atomization sterilization device, and the sterilization solution atomized into aerosol particles is conveyed into a cold and warm area governed by the air conditioning unit through the aerodynamic device;
s300, comparing the sizes of T4 and T1 by an automatic control system, and if T4 is more than T1, controlling a fresh air electric valve to be closed by the automatic control system, stopping working of a liquid supply mechanism and performing variable-frequency low-speed operation of an aerodynamic device by the automatic control system;
s400, comparing the sizes of T4 and T2 by an automatic control system, and if T4 is more than T2, controlling a fresh air electric valve to be opened, a return air electric valve to be closed and controlling the aerodynamic device to run at full speed by the automatic control system;
s500, the automatic control system compares the sizes of the T4 and the T3, and if the T4 is more than the T3, the automatic control system controls the air conditioning unit to exit the sterilization mode.
2. The control method according to claim 1, wherein the liquid supply mechanism comprises a solution tank, a solution electric valve, a pressure pump, a pressure controller and a pressure stabilizing electric valve which are sequentially connected, the pressure stabilizing electric valve is connected with the atomization decontamination device, and the solution electric valve, the pressure pump, the pressure controller and the pressure stabilizing electric valve are respectively and electrically connected with the automatic control system.
3. The control method according to claim 2, wherein the sterilizing solution placing portion and the humidifying solution placing portion are provided in the solution tank, the solution electric valve is a three-way reversing valve, a first port of the solution electric valve is connected with the sterilizing solution placing portion, a second port of the solution electric valve is connected with the humidifying solution placing portion, and a third port of the solution electric valve is connected with the pressure pump.
4. The control method of claim 1, wherein a noise reduction assembly is further disposed within the housing, the noise reduction assembly being disposed at an air supply side of the automatic control system.
5. The control method of claim 4, wherein the noise reduction assembly comprises a flow equalizer and a muffler device arranged in sequence along the direction from the inlet air to the supply air.
6. The control method of claim 1, wherein the filter assembly comprises a primary filter and a photo-hydrogen filter arranged in sequence along the direction of air intake to air supply.
CN202010190467.2A 2020-03-18 2020-03-18 Air conditioning unit with disinfection function and disinfection control method Active CN111412563B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002310449A (en) * 2001-04-06 2002-10-23 Ntt Advanced Technology Corp Air conditioner and its indoor unit
CN101095960A (en) * 2007-06-08 2008-01-02 贝达安消毒产品国际有限公司 Central intelligent disinfecting and epidemic-preventing system
CN101813348A (en) * 2010-03-11 2010-08-25 杨琨 System of utilizing purifying liquid device for purifying air for local exhaust channel
KR20200001918A (en) * 2018-06-28 2020-01-07 (주)빅케어리저브 Device for cleaning and sterilization of indoor air

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002310449A (en) * 2001-04-06 2002-10-23 Ntt Advanced Technology Corp Air conditioner and its indoor unit
CN101095960A (en) * 2007-06-08 2008-01-02 贝达安消毒产品国际有限公司 Central intelligent disinfecting and epidemic-preventing system
CN101813348A (en) * 2010-03-11 2010-08-25 杨琨 System of utilizing purifying liquid device for purifying air for local exhaust channel
KR20200001918A (en) * 2018-06-28 2020-01-07 (주)빅케어리저브 Device for cleaning and sterilization of indoor air

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