CN113819573B - Method and device for controlling ozone in plasma sterilization mode and air conditioner - Google Patents

Method and device for controlling ozone in plasma sterilization mode and air conditioner Download PDF

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Publication number
CN113819573B
CN113819573B CN202111257818.8A CN202111257818A CN113819573B CN 113819573 B CN113819573 B CN 113819573B CN 202111257818 A CN202111257818 A CN 202111257818A CN 113819573 B CN113819573 B CN 113819573B
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air conditioner
ozone
mode
concentration
air
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CN113819573A (en
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苏闯
陈彬茜
王婕
袁封明
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Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
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Ningbo Aux Electric Co Ltd
Ningbo Aux Intelligent Commercial Air Conditioning Manufacturing 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
    • 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
    • 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
    • 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
    • F24F11/88—Electrical aspects, e.g. circuits
    • 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
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
    • 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
    • F24F8/95—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying specially adapted for specific purposes
    • F24F8/98—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying specially adapted for specific purposes for removing ozone
    • 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
    • F24F2110/10—Temperature
    • 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)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

The invention provides a method for controlling ozone in a plasma sterilization mode, which comprises the following steps: s1, operating an air conditioner in a plasma sterilization mode; s2, detecting the ozone concentration N by the air conditioner; s3, judging whether the ozone concentration N is larger than a first concentration threshold N by the air conditioner1(ii) a If yes, go to step S4; if not, returning to the step S2; s4, detecting the current working mode by the air conditioner; s5, judging whether the current working mode is a heating mode or not by the air conditioner; if yes, go to step S6; if not, go to step S7; s6, the air conditioner enters a high-temperature decomposition mode; s7, the air conditioner judges whether the current working mode is a refrigeration mode; if yes, go to step S8; if not, returning to the step S2; and S8, operating the air conditioner in an ultraviolet sterilization mode. The method for controlling ozone in the plasma sterilization mode can effectively sterilize and control the concentration of ozone.

Description

Method and device for controlling ozone in plasma sterilization mode and air conditioner
Technical Field
The invention relates to the technical field of air conditioners, in particular to a method and a device for controlling ozone in a plasma sterilization mode and an air conditioner.
Background
The sterilizing equipment is installed to most among the current air conditioning system, and there is plasma sterilizing equipment generally common sterilizing equipment, but there is a drawback during plasma sterilization, exactly can produce a certain amount of ozone in the sterilization process, but if sterilization process is longer, the ozone release volume can be more, can exceed standard when serious, influences space environment and human health. Therefore, a control method is needed to achieve effective sterilization and ensure that the amount of ozone is within a certain range.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention aims to provide a method and a device for controlling ozone in a plasma sterilization mode and an air conditioner, and aims to solve the problems that the ozone release amount is large and exceeds the standard in serious cases when the sterilization process of an ion sterilization device in the prior art is long, and the space environment and the human health are influenced.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a method for controlling ozone in a plasma sterilization mode comprises the following steps:
s1, operating an air conditioner in a plasma sterilization mode;
s2, detecting the ozone concentration N by the air conditioner;
s3, judging whether the ozone concentration N is larger than a first concentration threshold N by the air conditioner1(ii) a If yes, go to step S4; if not, returning to the step S2;
s4, detecting the current working mode by the air conditioner;
s5, judging whether the current working mode is a heating mode or not by the air conditioner; if yes, go to step S6; if not, go to step S7;
s6, the air conditioner enters a high-temperature decomposition mode;
s7, judging whether the current working mode is a refrigeration mode or not by the air conditioner; if yes, go to step S8; if not, returning to the step S2;
and S8, operating the air conditioner in an ultraviolet sterilization mode.
The method for controlling ozone in the plasma sterilization mode comprises the steps of S1-S7, the concentration and the working mode of the ozone are detected and judged through S2-S5, and measures of controlling the concentration of the ozone of S6 or S7 are adopted according to different working modes of the air conditioner, so that effective ozone decomposition and accurate control can be guaranteed, energy conservation and consumption reduction are realized, and meanwhile, the sterilization of an air conditioning system is further facilitated.
Further, the step S6 includes the following steps:
s61, detecting the current air conditioner air outlet temperature T by the air conditioner;
s62, calculating the decomposition time T of the current ozone concentration N at the current air conditioner air outlet temperature T by the air conditioner;
s63, judging whether the time t is resolved by the air conditioner<Presetting a decomposition time t0(ii) a If yes, return to step S2; if not, go to step S64;
and S64, starting the heating mode of the air conditioner.
And S61-S64, detecting and judging the current air-conditioner air-out temperature T and decomposition time in the air-conditioner heating mode through S61-S63, and controlling whether the air conditioner enters the S64 temperature-raising mode to ensure effective ozone decomposition and accurate control, so that energy conservation and consumption reduction are realized.
Further, the step S64 includes the following steps:
s641, judging whether the air conditioner decomposes the time t<First predetermined decomposition time threshold t1(ii) a If yes, go to step S642; if not, returning to the step S643;
s642, starting a first heating mode by the air conditioner;
and S643, the air conditioner starts a second heating mode.
In steps S641-S643, the air conditioner is controlled to enter the temperature raising mode of S642 or S643 to ensure effective decomposition of the odor by detecting and judging the decomposition time in the air conditioner heating mode in step S641Oxygen and accurate control, energy conservation and consumption reduction are realized. When the decomposition time t<First predetermined decomposition time threshold t1If the temperature is low, the current condition cannot be completely decomposed in a short time, and the human health is affected, so that the method enters S642 to control the air conditioner to start a first heating mode; when the decomposition time t is more than or equal to a first preset decomposition time threshold t1If the temperature is lower, the current condition cannot be completely decomposed in a short time, the human health is affected, the operation enters S643, and the air conditioner starts a second heating mode.
Further, the step S642 includes the steps of:
s6421, starting a first temperature rising mode by the air conditioner, controlling the wind speed to be reduced by one gear, closing the air guide door to 1/2 of the maximum value of the air guide door, and keeping the current frequency running of the compressor;
S6422、tsegment 1Detecting the ozone concentration N by the air conditioner after the time, detecting the current air-conditioning air outlet temperature T, and calculating the decomposition time T of the current ozone concentration N at the current air-conditioning air outlet temperature T;
s6423, the air conditioner judges whether the time t is resolved<Presetting a decomposition time t0(ii) a If yes, return to step S2; if not, the process proceeds to step S643.
Steps S6421 to S6423, the first warming mode t is turned on for the air conditioner through steps S6422 to S6423Segment 1The detection and judgment of the decomposition time t of the ozone concentration N after the time is convenient for controlling different running modes of the air conditioner to operate, can ensure effective ozone decomposition and accurate control, and realizes energy conservation and consumption reduction. When the decomposition time t<Presetting a decomposition time t0If the temperature is higher than the preset decomposition time t, the current temperature is increased, the first temperature-raising mode plays a role in raising the temperature, and the preset decomposition time t is0The ozone can be decomposed completely under the temperature condition, and the comfort is not influenced, so that the operation is returned to S2 to control the air conditioner to continue to operate, and the ozone concentration is detected; when the decomposition time t is more than or equal to the preset decomposition time t0When the temperature is lower than the preset temperature, the current temperature is low, the first temperature-raising mode does not play a role in raising the temperature, and the decomposition time t is preset0Under the temperature condition, ozone can not be decomposed completely, so that the air conditioner enters S643 air conditioner to start a second temperature rising mode, increase the evaporation temperature of the evaporator and accelerate odorDecomposition of oxygen.
Further, the step S643 includes the steps of:
s6431, the air conditioner starts a second heating mode, the wind speed is reduced to the lowest gear, the wind guide door is closed to 1/5 which is the maximum value of the wind guide door, and the compressor is in the up-conversion operation;
S6432、tsection 2Detecting the ozone concentration N by the air conditioner after the time, detecting the current air-conditioning air outlet temperature T, and calculating the decomposition time T of the current ozone concentration N at the current air-conditioning air outlet temperature T;
s6433, the air conditioner judges whether the time t is resolved<First predetermined decomposition time threshold t1(ii) a If yes, go to step S642; if not, go to step S6434;
s6434, closing the plasma sterilization mode;
s6435, and keeping the current state to operate tSection 3After that, the normal heating mode is switched.
Step S6431-S6435, the second heating mode t is started for the air conditioner through the step S6432-S6433Section 2The decomposition time t of the ozone concentration N after the time is convenient for controlling different operation modes of the air conditioner to operate, can ensure effective ozone decomposition and accurate control, and realizes energy conservation and consumption reduction. When the decomposition time t<First predetermined decomposition time threshold t1If the current temperature is increased, the temperature is changed from low to low, which indicates that the second temperature-increasing mode plays a role of increasing the temperature, and the temperature is less than the first preset decomposition threshold t under the temperature condition1The ozone can be decomposed completely, so that the air conditioner enters the S642 mode for controlling the air conditioner to start the first heating mode; when the decomposition time t is more than or equal to a first preset decomposition time threshold t1When the temperature is not changed or is changed slightly, the temperature is still low, which indicates that the second temperature-raising mode does not play a role in raising the temperature and can not effectively decompose ozone, so that the plasma sterilization mode is required to be closed and the current state operation t is maintained in S6434 and S6435Section 3After that, the normal heating mode is switched.
Further, the step S8 includes the following steps:
s81, starting an ultraviolet sterilization mode;
s82, judging whether ozone exists or notConcentration N > second concentration threshold N2(ii) a If yes, go to step S83; if not, go to step S84;
s83, starting the ultraviolet sterilization device to operate at a high-level;
and S84, starting the ultraviolet sterilization device to operate at a low gear.
And S81-S84, the concentration of ozone is further detected and judged through S82 in the air-conditioning refrigeration mode, so that the operation mode of controlling the ultraviolet sterilization device to start different gears is facilitated, effective ozone decomposition and accurate control can be guaranteed, energy conservation and consumption reduction are realized, and meanwhile, the sterilization of an air-conditioning system is further facilitated. When the ozone concentration N is larger than a second concentration threshold value N2When the concentration of ozone is high, the ultraviolet sterilization device is required to be started to operate at a high level in S83, and when the concentration of ozone N is less than or equal to a second concentration threshold N2In the time, the ozone concentration is not high, so that the operation is started in the low gear of the ultraviolet sterilization device in S84, and meanwhile, the damage of energy conservation and ultraviolet irradiation to the inside of the air conditioner is guaranteed.
Further, the step S83 includes the following steps:
s831, starting the ultraviolet sterilization device to operate in a high-grade mode;
S832、tsection 4Detecting the concentration N of ozone after the time;
s833, judging whether the ozone concentration N is larger than a second concentration threshold value N2(ii) a If yes, go to step S834; if not, go to step S84;
s834, turning off a plasma sterilization mode;
S835、tsection 5And after the time, the ultraviolet mode is closed, and the air conditioner is switched to a normal refrigeration mode.
Steps S831 to S835, and step S832 to S833 of the high-level operation t of the ultraviolet sterilizerSection 4The ozone concentration is detected and judged after time, so that the air conditioner can be conveniently controlled to operate in different operation modes, effective ozone decomposition and accurate control can be guaranteed, and energy conservation and consumption reduction are realized. When the concentration N of ozone is larger than the second concentration threshold N2If so, the concentration of the ozone is not reduced and is still high, which indicates that the high-level operation of the ultraviolet sterilization device is not dividedTo remove the effect of ozone, the steps S834 and S835 are performed, and the plasma sterilization mode is turned offSection 5After the time, the ultraviolet mode is closed, and the air conditioner is switched to a normal refrigeration mode; when the concentration N of the ozone is less than or equal to the second concentration threshold N2When the ozone concentration is reduced, the ozone concentration is changed from high to high, which indicates that the operation of the ultraviolet sterilization device in the high gear plays a role in decomposing ozone, so that the operation of the ultraviolet sterilization device in the low gear is started in S84.
Further, the step S84 includes the following steps:
s841, starting the ultraviolet sterilization device to operate at a low gear;
S842、tsection 6Detecting the concentration N of ozone after the time;
s843, judging whether the ozone concentration N is larger than a first concentration threshold value N1(ii) a If yes, go to step S83; if not, the process returns to step S2.
In steps S841 to S843, the ultraviolet sterilizer is operated at the low gear t through steps S842 to S843Section 6The ozone concentration is detected and judged after time, so that the air conditioner can be conveniently controlled to operate in different operation modes, effective ozone decomposition and accurate control can be guaranteed, and energy conservation and consumption reduction are realized. When the concentration N of the ozone is larger than the first concentration threshold value N1If the current ozone concentration is not reduced, the ozone concentration is still higher, which indicates that the low-level operation of the ultraviolet sterilization device does not play a role in decomposing ozone, so the operation enters S83 to start the high-level operation of the ultraviolet sterilization device; when the concentration N of the ozone is less than or equal to the first concentration threshold N1If so, it indicates that the current ozone concentration is reduced to some extent, and the ozone concentration is changed from large to small, which indicates that the operation of the ultraviolet sterilization device in the low gear has the effect of decomposing ozone, so that the air conditioner is controlled to continue to operate, and the operation returns to step S2 to detect the ozone concentration N.
In a second aspect of the present invention, a device for controlling ozone in a plasma sterilization mode is provided, wherein the device for controlling ozone in a plasma sterilization mode uses any one of the above methods for controlling ozone in a plasma sterilization mode, and the device for controlling ozone in a plasma sterilization mode comprises a plasma sterilization device, an ozone detector, an ultraviolet sterilization device, a temperature sensor and a control device.
In a third aspect of the present invention, an air conditioner is provided, which includes a computer readable storage medium storing a computer program and a processor, wherein the computer program is read by the processor and executed to implement any one of the methods for controlling ozone in a plasma sterilization mode.
Compared with the prior art, the method, the device and the air conditioner for controlling the ozone in the plasma sterilization mode have the following beneficial effects:
1) according to the method and the device for controlling the ozone in the plasma sterilization mode and the air conditioner, the ozone concentration and the working mode are detected and judged, different measures for controlling the ozone concentration are adopted according to different working modes of the air conditioner, effective ozone decomposition and accurate control can be guaranteed, energy conservation and consumption reduction are realized, and meanwhile, the sterilization of an air conditioning system is further facilitated.
2) According to the method and the device for controlling ozone in the plasma sterilization mode and the air conditioner, the decomposition time is detected and judged in the air conditioner heating mode, the air conditioner is controlled to enter different running states of the high-temperature decomposition mode, effective decomposition of ozone and accurate control can be guaranteed, and energy conservation and consumption reduction are realized.
3) According to the method and the device for controlling ozone in the plasma sterilization mode and the air conditioner, the ozone concentration is detected and judged in the air conditioner refrigeration mode, the operation mode that the ultraviolet sterilization device is started at different gears is controlled, effective decomposition of ozone and accurate control can be guaranteed, energy conservation and consumption reduction are realized, and meanwhile, the sterilization of an air conditioning system is further facilitated.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic flow chart of a method for controlling ozone in a plasma sterilization mode according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The descriptions of "first", "second", etc. mentioned in the embodiments of the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The present invention will be described in detail below with reference to the embodiments with reference to the accompanying drawings.
Example 1
The sterilizing equipment is installed to most among the current air conditioning system, and there is plasma sterilizing equipment generally common sterilizing equipment, but there is a drawback during plasma sterilization, exactly can produce a certain amount of ozone in the sterilization process, but if sterilization process is longer, the ozone release volume can be more, can exceed standard when serious, influences space environment and human health. Therefore, a control method is needed to achieve effective sterilization and ensure that the amount of ozone is within a certain range.
In order to solve the problems that the release amount of ozone is large when the sterilization process of the ion sterilization device in the prior art is long, the ozone exceeds the standard when the sterilization process is serious, and the space environment and the human health are affected, the embodiment provides a method for controlling ozone in a plasma sterilization mode, as shown in fig. 1, the method for controlling ozone in the plasma sterilization mode comprises the following steps:
s1, operating an air conditioner in a plasma sterilization mode;
specifically, S1, operating the air conditioner in a plasma sterilization mode, and starting the plasma sterilization device;
the plasma sterilization mode is a conventional plasma sterilization mode of a conventional air conditioner, and specific operation parameters may refer to the existing air conditioner plasma sterilization technology, which is not described herein again. The plasma sterilization apparatus provided in the air conditioner is not limited in the installation position. The plasma sterilization device can be arranged between the air outlet and the evaporator, can also be arranged at the top of the evaporator, and can also be arranged at the air return inlet of the air conditioner and other positions.
S2, detecting the ozone concentration N by an air conditioner;
wherein, ozone concentration passes through ozone detector and detects, and ozone detector is conventional ozone detector among the prior art, does not do the restriction to the mounted position of ozone detector in the air conditioner.
S3, judging whether the ozone concentration N is larger than a first concentration threshold N by the air conditioner1(ii) a If yes, go to step S4; if not, returning to the step S2;
wherein the first concentration threshold N1The specific value of (a) is not limited, and preferably, in this embodiment, the first concentration threshold N is1The value was 0.15 ppm.
S4, detecting the current working mode by the air conditioner;
the working modes of the air conditioner comprise a heating mode, a refrigerating mode, a ventilation mode, a defrosting mode, a self-cleaning mode and the like;
s5, judging whether the current working mode is a heating mode or not by the air conditioner; if yes, go to step S6; if not, go to step S7;
s6, the air conditioner enters a high-temperature decomposition mode;
wherein the pyrolysis mode refers to a process of the air conditioner decomposing ozone with high temperature.
Step S6 is under the heating mode, and the air conditioner gets into pyrolysis mode, and the air conditioner utilizes the temperature to decompose ozone, can guarantee effectively to decompose ozone and accurate control, realizes energy saving and consumption reduction simultaneously.
S7, judging whether the current working mode is a refrigeration mode or not by the air conditioner; if yes, go to step S8; if not, returning to the step S2;
and S8, operating the air conditioner in an ultraviolet sterilization mode.
Step S8 is in the refrigeration mode, the air conditioner operates the ultraviolet sterilization mode, which can ensure the effective ozone decomposition and the accurate control, realize the energy saving and consumption reduction, and is further beneficial to the sterilization of the air conditioning system.
Specifically, S8, operating an ultraviolet sterilization mode by an air conditioner, and starting an ultraviolet sterilization device;
the ultraviolet sterilization mode is a conventional ultraviolet sterilization mode of a conventional air conditioner, and specific operation parameters may refer to the existing air conditioner ultraviolet sterilization technology, which is not described herein any further. The ultraviolet sterilization device arranged in the air conditioner can be arranged between the air outlet and the evaporator, can also be arranged at the top of the evaporator, and can also be arranged at the positions of an air return opening and the like of the air conditioner; the ultraviolet sterilization device may be a conventional ultraviolet lamp.
The method for controlling ozone in the plasma sterilization mode comprises the steps of S1-S8, the concentration and the working mode of the ozone are detected and judged through S2-S7, and measures of controlling the concentration of the ozone of S6 or S8 are adopted according to different working modes of the air conditioner, so that effective ozone decomposition and accurate control can be guaranteed, energy conservation and consumption reduction are realized, and meanwhile, the sterilization of an air conditioning system is further facilitated.
Specifically, the step S6 includes the following steps:
s61, detecting the current air conditioner air outlet temperature T by the air conditioner;
the current air conditioner air outlet temperature T is detected through a temperature sensor, the temperature sensor is a conventional temperature sensor in the prior art, and the installation position of the temperature sensor in the air conditioner is not limited.
S62, calculating the decomposition time T of the current ozone concentration N at the current air conditioner air outlet temperature T by the air conditioner;
wherein the decomposition time is calculated by T ═ K (N/T), where K is a coefficient constant;
s63, judging whether the time t is resolved by the air conditioner<Presetting a decomposition time t0(ii) a If yes, return to step S2; if not, go to stepS64；
Presetting a decomposition time t0Specifically, without limitation, in this embodiment, preferably, the preset decomposition time t is0Set to 60 s.
If the decomposition time T of the current ozone concentration at the current air-conditioning outlet air temperature T meets the preset decomposition time T0I.e. t<t0If so, it means that the decomposition of ozone can be completed in less than 60S under the temperature condition, and the comfort is not affected, so the control is returned to step S2 to continue the operation of the air conditioner to detect the ozone concentration.
S64, starting an air conditioner to heat up;
wherein the warming mode includes a first warming mode and a second warming mode.
If the decomposition time T of the current ozone concentration at the current air-conditioning outlet air temperature T is more than or equal to the preset decomposition time T0If so, the current temperature is low, and therefore the air conditioner is controlled to start the heating mode. The heating mode is started to mainly adjust the evaporation temperature of the evaporator and accelerate the decomposition of ozone.
And S61-S64, detecting and judging the current air-conditioner air-out temperature T and decomposition time in the air-conditioner heating mode through S61-S63, and controlling whether the air conditioner enters the S64 temperature-raising mode to ensure effective ozone decomposition and accurate control, so that energy conservation and consumption reduction are realized.
Specifically, the step S64 includes the following steps:
s641, judging whether the air conditioner decomposes the time t<A first predetermined decomposition time threshold t1(ii) a If yes, go to step S642; if not, returning to the step S643;
wherein the first predetermined decomposition time threshold t1Greater than a predetermined decomposition time t0Preferably, in this embodiment, the first preset decomposition time threshold t is1Set to 90 s.
S642, starting a first heating mode by the air conditioner;
and the first temperature raising mode comprises controlling the wind speed to be lowered by one gear, closing the air guide door to 1/2 which is the maximum value of the air guide door, and keeping the compressor running at the current frequency.
S643, starting a second heating mode by the air conditioner;
the second temperature rising mode comprises that the wind speed is reduced to the lowest gear, the air guide door is closed to 1/5 of the maximum value of the air guide door, and the compressor is in the frequency rising operation (if the current frequency is the maximum value, the current frequency is kept in operation, and if the current frequency is not the maximum value, the compressor is gradually in the frequency rising operation according to 0.5-1 Hz/s).
And S641-S643, the air conditioner is controlled to enter the temperature rising mode of S642 or S643 through detecting and judging the decomposition time in the air conditioner heating mode in the step S641, so that the ozone can be effectively decomposed and accurately controlled, and the energy conservation and consumption reduction are realized. When the decomposition time t<First predetermined decomposition time threshold t1If the temperature is low, the current condition cannot be completely decomposed in a short time, and the human health is affected, so that the method enters S642 to control the air conditioner to start a first heating mode; when the decomposition time t is more than or equal to a first preset decomposition time threshold t1If the temperature is lower, the current condition cannot be completely decomposed in a short time, the human health is affected, the operation enters S643, and the air conditioner starts a second heating mode.
Specifically, the step S642 includes the following steps:
s6421, starting a first temperature rising mode by the air conditioner, controlling the wind speed to be reduced by one gear, closing the air guide door to 1/2 of the maximum value of the air guide door, and keeping the current frequency running of the compressor;
S6422、tsegment 1Detecting the ozone concentration N by the air conditioner after the time, detecting the current air conditioner temperature T, and calculating the decomposition time T of the current ozone concentration N at the current temperature T;
s6423, the air conditioner judges whether the time t is resolved<Presetting a decomposition time t0(ii) a If yes, return to step S2; if not, the process proceeds to step S643.
Steps S6421 to S6423, the first warming mode t is turned on for the air conditioner through steps S6422 to S6423Segment 1The detection and judgment of the decomposition time t of the ozone concentration N after the time is convenient for controlling different running modes of the air conditioner to operate, can ensure effective ozone decomposition and accurate control, and realizes energy conservation and consumption reduction. When the decomposition time t<Presetting a decomposition time t0Then, the current temperature is indicatedThe temperature rises, which shows that the first temperature rising mode plays the role of temperature rising and is at the preset decomposition time t0The ozone can be decomposed completely under the temperature condition, and the comfort is not influenced, so that the operation is returned to S2 to control the air conditioner to continue to operate, and the ozone concentration is detected; when the decomposition time t is more than or equal to the preset decomposition time t0When the temperature is lower than the preset temperature, the current temperature is low, the first temperature-raising mode does not play a role in raising the temperature, and the decomposition time t is preset0Since ozone cannot be decomposed at this temperature, the air conditioner in S643 needs to start the second heating mode to increase the evaporation temperature of the evaporator and accelerate the decomposition of ozone.
Specifically, the step S643 includes the steps of:
s6431, starting a second heating mode of the air conditioner, reducing the wind speed to the lowest gear, closing the air guide door to 1/5 of the maximum value of the air guide door, and performing frequency boosting operation on the compressor (if the current frequency is the maximum value, keeping the current frequency to operate, and if the current frequency is not the maximum value, gradually performing frequency boosting operation according to 0.5-1 Hz/S);
S6432、tsection 2Detecting the ozone concentration N by the air conditioner after the time, detecting the current air-conditioning air outlet temperature T, and calculating the decomposition time T of the current ozone concentration N at the current air-conditioning air outlet temperature T;
s6433, the air conditioner judges whether the time t is resolved<First predetermined decomposition time threshold t1(ii) a If yes, go to step S642; if not, go to step S6434;
s6434, closing the plasma sterilization mode;
s6435, maintaining the current state to operate tSection 3Then, the normal heating mode is switched.
Steps S6431 to S6435, the second warming mode t is turned on for the air conditioner through steps S6432 to S6433Section 2The decomposition time t of the ozone concentration N after the time is convenient for controlling different running modes of the air conditioner to operate, can ensure effective ozone decomposition and accurate control, and realizes energy conservation and consumption reduction. When the decomposition time t<First predetermined decomposition time threshold t1If the temperature is lower than the first preset decomposition threshold t, the current temperature is increased, the temperature is changed from lower to low, the second temperature-increasing mode plays a role of temperature increase, and the temperature is lower than the first preset decomposition threshold t under the condition of the temperature1The ozone can be decomposed completely, so that the air conditioner enters the S642 mode for controlling the air conditioner to start the first heating mode; when the decomposition time t is more than or equal to a first preset decomposition time threshold t1When the temperature is not changed or is changed slightly, the temperature is still low, which indicates that the second temperature-raising mode does not play a role in raising the temperature and can not effectively decompose ozone, so that the plasma sterilization mode is required to be closed and the current state operation t is maintained in S6434 and S6435Section 3After that, the normal heating mode is switched.
Specifically, the step S8 includes the following steps:
s81, starting an ultraviolet sterilization mode;
specifically, S81, operating an ultraviolet sterilization mode by an air conditioner, and starting an ultraviolet sterilization device;
s82, judging whether the ozone concentration N is larger than a second concentration threshold value N2(ii) a If yes, go to step S83; if not, go to step S84;
wherein the second concentration threshold N2> the first concentration threshold N1(ii) a Preferably, in this embodiment, the second concentration threshold N2The value was 0.3 ppm.
S83, starting ultraviolet high-level operation;
when the ozone concentration N is larger than a second concentration threshold value N2At this time, the ozone concentration is high, and the decomposition is performed by the ultraviolet high-gear operation.
And S84, starting ultraviolet low-gear operation.
When the second concentration is higher than the threshold value N2Ozone concentration N > first concentration threshold N1At the moment, the ozone concentration is not large, the ozone can be decomposed through ultraviolet low-gear operation, and meanwhile, the damage of energy conservation and ultraviolet irradiation to the interior of the air conditioner is guaranteed.
And S81-S84, the concentration of ozone is further detected and judged through S82 in the air-conditioning refrigeration mode, so that the operation mode of controlling the ultraviolet sterilization device to start different gears is facilitated, effective ozone decomposition and accurate control can be guaranteed, energy conservation and consumption reduction are realized, and meanwhile, the sterilization of an air-conditioning system is further facilitated. When the concentration N of ozone is larger than the second concentration threshold N2When the utility model is used, the water is discharged,indicating that the ozone concentration is very high, the ultraviolet sterilization device needs to be started to operate at a high level when the ozone concentration N is less than or equal to a second concentration threshold N when the ozone concentration N is S832In the time, the ozone concentration is not high, so that the operation is started in the low gear of the ultraviolet sterilization device in S84, and meanwhile, the damage of energy conservation and ultraviolet irradiation to the inside of the air conditioner is guaranteed.
Specifically, the step S83 includes the following steps:
s831, starting ultraviolet high-grade operation;
S832、tsection 4Detecting the concentration N of ozone after the time;
s833, judging whether the ozone concentration N is larger than a second concentration threshold value N2(ii) a If yes, go to step S834; if not, go to step S84;
s834, turning off a plasma sterilization mode;
S835、tsection 5And after the time, the ultraviolet mode is closed, and the air conditioner is switched to a normal refrigeration mode.
Step S835 closing plasma sterilization mode tSection 5And after the time, the ultraviolet mode is closed, and the residual ozone can be effectively decomposed by using the ultraviolet module in the period.
Steps S831 to S835, and step S832 to S833 of the high-level operation t of the ultraviolet sterilizerSection 4The ozone concentration is detected and judged after time, so that the air conditioner can be conveniently controlled to operate in different operation modes, effective ozone decomposition and accurate control can be guaranteed, and energy conservation and consumption reduction are realized. When the concentration N of ozone is larger than the second concentration threshold N2If the current ozone concentration is not reduced, the ozone concentration is still high, which indicates that the high-level operation of the uv sterilization apparatus does not play a role in decomposing ozone, so the steps S834 and S835 are performed, the plasma sterilization mode needs to be turned off, and tSection 5After the time, the ultraviolet mode is closed, and the air conditioner is switched into a normal refrigeration mode; when the concentration N of the ozone is less than or equal to the second concentration threshold N2When the ozone concentration is reduced, the ozone concentration is changed from high to high, which indicates that the operation of the ultraviolet sterilization device in the high gear plays a role in decomposing ozone, so that the operation of the ultraviolet sterilization device in the low gear is started in S84.
Specifically, step S84 includes the following steps:
s841, starting ultraviolet low-gear operation;
S842、tsection 6Detecting the concentration N of ozone after the time;
s843, judging whether the ozone concentration N is larger than a first concentration threshold value N1(ii) a If yes, go to step S83; if not, the process returns to step S2.
In steps S841 to S843, the ultraviolet sterilizer is operated at the low gear t through steps S842 to S843Section 6The ozone concentration is detected and judged after time, so that the air conditioner can be conveniently controlled to operate in different operation modes, effective ozone decomposition and accurate control can be guaranteed, and energy conservation and consumption reduction are realized. When the concentration N of the ozone is larger than the first concentration threshold value N1If the current ozone concentration is not reduced, the ozone concentration is still higher, which indicates that the low-level operation of the ultraviolet sterilization device does not play a role in decomposing ozone, so the operation enters S83 to start the high-level operation of the ultraviolet sterilization device; when the concentration N of the ozone is less than or equal to the first concentration threshold N1If so, it indicates that the current ozone concentration is reduced, and the ozone concentration is changed from large to small, which indicates that the operation of the low gear of the ultraviolet sterilization device plays a role in decomposing ozone, so that the air conditioner is controlled to continue to operate, and the step S2 is returned to detect the ozone concentration N.
In particular, tSegment 1、tSection 2、tSection 3、tSection 4、tSection 5And tSection 6Each represents a time period, tSegment 1、tSection 2、tSection 3、tSection 4、tSection 5And tSection 6And are not intended to be limiting. More specifically, tSegment 1、tSection 2、tSection 3、tSection 4、tSection 5And tSection 6The value range is as follows: [3,8]，tSegment 1、tSection 2、tSection 3、tSection 4、tSection 5And tSection 6Can take any value of 3-8 min; preferably, in the present embodiment, tSegment 1、tSection 2、tSection 3、tSection 4、tSection 5And tSection 6All values of (1) are 5 min.
Compared with the prior art, the method for controlling ozone in the plasma sterilization mode according to the present embodiment has the following advantages:
1) according to the control method of ozone in the plasma sterilization mode, the ozone concentration and the working mode are detected and judged, different measures for controlling the ozone concentration are adopted according to different working modes of the air conditioner, effective ozone decomposition and accurate control can be guaranteed, energy conservation and consumption reduction are achieved, and meanwhile sterilization of an air conditioning system is further facilitated.
2) According to the control method of ozone in the plasma sterilization mode, the decomposition time is detected and judged in the air conditioner heating mode, the air conditioner is controlled to enter different running states of the high-temperature decomposition mode, effective decomposition of ozone and accurate control can be guaranteed, and energy conservation and consumption reduction are achieved.
3) According to the control method of ozone in the plasma sterilization mode, the ozone concentration is detected and judged in the air conditioner refrigeration mode, the operation mode that the ultraviolet sterilization device is controlled to open different gears can ensure effective decomposition of ozone and accurate control, energy conservation and consumption reduction are realized, and meanwhile, sterilization of an air conditioning system is further facilitated.
Example 2
This embodiment proposes a control device of ozone in plasma sterilization mode, which uses the control method of ozone in plasma sterilization mode as described in any one of embodiment 1, and the control device of ozone in plasma sterilization mode includes a plasma sterilization device, an ozone detector, an ultraviolet sterilization device, a temperature sensor, and a control device.
The plasma sterilization device is used for sterilizing after being started; the ozone detector is used for detecting the concentration of ozone; the ultraviolet sterilization device is used for decomposing ozone after being started; the temperature sensor is used for acquiring the current air conditioner temperature; the control device is used for controlling the ultraviolet sterilization device to start high-grade or low-grade to decompose ozone after the plasma sterilization mode is started; the control device can control the opening and closing of the plasma sterilization device/ultraviolet sterilization, and has a plurality of functions, which are not described in detail herein.
The installation positions of the plasma sterilization device, the ozone detector, the ultraviolet sterilization device, the temperature sensor and the control device in the air conditioner are not limited.
The advantages of the control device of ozone in plasma sterilization mode and the control method of ozone in plasma sterilization mode are the same compared with the prior art, and are not repeated herein.
Example 3
This embodiment provides an air conditioner comprising a computer readable storage medium storing a computer program and a processor, wherein the computer program is read by the processor and executed to implement the method for controlling ozone in plasma sterilization mode according to any one of embodiment 1.
The advantages of the air conditioner and the control method of ozone in the plasma sterilization mode are the same as those of the prior art, and are not repeated herein.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (9)

1. A method for controlling ozone in a plasma sterilization mode is characterized by comprising the following steps:
s1, operating an air conditioner in a plasma sterilization mode;
s2, detecting the ozone concentration N by the air conditioner;
s3, judging whether the ozone concentration N is larger than a first concentration threshold N by the air conditioner1(ii) a If yes, go to step S4; if not, returning to the step S2;
s4, detecting the current working mode by the air conditioner;
s5, judging whether the current working mode is a heating mode or not by the air conditioner; if yes, go to step S6; if not, go to step S7;
s6, the air conditioner enters a high-temperature decomposition mode;
s7, judging whether the current working mode is a refrigeration mode or not by the air conditioner; if yes, go to step S8; if not, returning to the step S2;
s8, operating an ultraviolet sterilization mode by an air conditioner;
the step S6 includes the steps of:
s61, detecting the current air conditioner air outlet temperature T by the air conditioner;
s62, calculating the decomposition time T of the current ozone concentration N at the current air conditioner air outlet temperature T by the air conditioner;
s63, judging whether the time t is resolved by the air conditioner<Presetting a decomposition time t0(ii) a If yes, return to step S2; if not, go to step S64;
and S64, starting the heating mode of the air conditioner.
2. The method as claimed in claim 1, wherein said step S64 includes the following steps:
s641, judging whether the air conditioner decomposes the time t<First predetermined decomposition time threshold t1(ii) a If yes, go to step S642; if not, returning to the step S643;
s642, starting a first heating mode by the air conditioner;
and S643, the air conditioner starts a second temperature rising mode.
3. The method as claimed in claim 2, wherein the step S642 comprises the steps of:
s6421, starting a first temperature rising mode by the air conditioner, controlling the wind speed to be reduced by one gear, closing the air guide door to 1/2 of the maximum value of the air guide door, and keeping the current frequency running of the compressor;
S6422、tsegment 1Detecting the ozone concentration N by the air conditioner after the time, detecting the current air-conditioner air-out temperature T, and calculating the decomposition of the current ozone concentration N under the current air-conditioner air-out temperature TA time t;
s6423, the air conditioner judges whether the time t is resolved<Presetting a decomposition time t0(ii) a If yes, return to step S2; if not, the process proceeds to step S643.
4. The method as claimed in claim 2 or 3, wherein the step S643 includes the steps of:
s6431, starting a second heating mode by the air conditioner, reducing the wind speed to the lowest gear, closing the air guide door to 1/5 which is the maximum value of the air guide door, and increasing the frequency of the compressor for operation;
S6432、tsection 2Detecting the ozone concentration N by the air conditioner after the time, detecting the current air-conditioning air outlet temperature T, and calculating the decomposition time T of the current ozone concentration N at the current air-conditioning air outlet temperature T;
s6433, the air conditioner judges whether the time t is resolved<First predetermined decomposition time threshold t1(ii) a If yes, go to step S642; if not, go to step S6434;
s6434, closing the plasma sterilization mode;
s6435, maintaining the current state to operate tSection 3After that, the normal heating mode is switched.
5. The method as claimed in claim 1, wherein said step S8 includes the following steps:
s81, starting an ultraviolet sterilization mode;
s82, judging whether the ozone concentration N is larger than a second concentration threshold value N2(ii) a If yes, go to step S83; if not, go to step S84;
s83, starting the ultraviolet sterilization device to operate at a high-level;
and S84, starting the ultraviolet sterilization device to operate at a low gear.
6. The method as claimed in claim 5, wherein said step S83 includes the following steps:
s831, starting the ultraviolet sterilization device to operate at a high level;
S832、tsection 4Detecting the concentration N of ozone after the time;
s833, judging whether the ozone concentration N is larger than a second concentration threshold value N2(ii) a If yes, go to step S834; if not, go to step S84;
s834, turning off a plasma sterilization mode;
S835、tsection 5And after the time, the ultraviolet mode is closed, and the air conditioner is switched to a normal refrigeration mode.
7. The method as claimed in claim 5 or 6, wherein the step S84 includes the following steps:
s841, starting the ultraviolet sterilization device to operate at a low gear;
S842、tsection 6Detecting the concentration N of ozone after the time;
s843, judging whether the ozone concentration N is larger than a first concentration threshold value N1(ii) a If yes, go to step S83; if not, the process returns to step S2.
8. A device for controlling ozone in a plasma sterilization mode, wherein the device for controlling ozone in a plasma sterilization mode uses a method for controlling ozone in a plasma sterilization mode according to any one of claims 1 to 7, and the device for controlling ozone in a plasma sterilization mode comprises a plasma sterilization device, an ozone detector, an ultraviolet sterilization device, a temperature sensor and a control device.
9. An air conditioner comprising a computer readable storage medium storing a computer program and a processor, wherein the computer program is read by the processor and executed to implement the method of controlling ozone in a plasma sterilization mode according to any one of claims 1 to 7.
CN202111257818.8A 2021-10-27 2021-10-27 Method and device for controlling ozone in plasma sterilization mode and air conditioner Active CN113819573B (en)

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