WO2023210695A1 - Dispositif de traitement d'air - Google Patents

Dispositif de traitement d'air Download PDF

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Publication number
WO2023210695A1
WO2023210695A1 PCT/JP2023/016468 JP2023016468W WO2023210695A1 WO 2023210695 A1 WO2023210695 A1 WO 2023210695A1 JP 2023016468 W JP2023016468 W JP 2023016468W WO 2023210695 A1 WO2023210695 A1 WO 2023210695A1
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WO
WIPO (PCT)
Prior art keywords
light source
controller
irradiation
temperature
air
Prior art date
Application number
PCT/JP2023/016468
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English (en)
Japanese (ja)
Inventor
渉 福嶋
Original Assignee
ダイキン工業株式会社
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Filing date
Publication date
Application filed by ダイキン工業株式会社 filed Critical ダイキン工業株式会社
Publication of WO2023210695A1 publication Critical patent/WO2023210695A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
    • 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
    • F24F8/90—Cleaning of purification apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/52—Air quality properties of the outside air

Definitions

  • the present disclosure relates to an air treatment device equipped with an ultraviolet irradiation device.
  • This ultraviolet irradiation device includes an irradiation unit that irradiates ultraviolet rays from a light source composed of an LED, a light source power supply unit that supplies power to drive the light source, and a current value of the power supplied from the light source power supply unit. and a control unit that calculates the irradiation energy generated by the light source by integrating the energy over time. The control unit determines the degree of deterioration of the light source from the cumulative value of irradiation energy.
  • the present disclosure aims to accurately calculate the state of ultraviolet ray irradiation by a light source.
  • the air treatment device of the present disclosure includes: casing and a light source that irradiates the inside of the casing with ultraviolet rays; a temperature sensor that detects the temperature around the light source; a current sensor that detects a current value supplied to the light source; a measurement unit that measures the irradiation time of the light source; comprising a controller; The controller controls the amount of ultraviolet rays emitted from the light source when the light source is driven based on the temperature of the air detected by the temperature sensor, the current value detected by the current sensor, and the irradiation time measured by the measurement unit. When the irradiation amount reaches the target irradiation amount, the light source is stopped.
  • the controller adjusts the irradiation intensity of ultraviolet rays from the light source based on the temperature of the air detected by the temperature sensor and the current value detected by the current sensor. is calculated, and the irradiation amount is calculated from the calculated irradiation intensity and the irradiation time.
  • the irradiation intensity of the light source is determined using not only the current value of the light source but also the surrounding temperature, so the irradiation intensity can be calculated more accurately than when only the current value is used, and appropriate irradiation can be performed. amount of ultraviolet light can be irradiated into the casing.
  • the air treatment device preferably further includes a notification section, The controller causes the notification unit to notify when the calculated irradiation intensity reaches a predetermined value.
  • the notification unit when the irradiation intensity reaches a predetermined value, for example, a value corresponding to the lifespan of the light source, by having the notification unit notify that fact, the user etc. can know when it is time to replace the light source. can.
  • a predetermined value for example, a value corresponding to the lifespan of the light source
  • the air treatment device preferably further includes a notification section,
  • the controller predicts information regarding the actual life of the light source from the rated life of the light source based on the relationship between the calculated irradiation intensity and the rated irradiation intensity of the light source, and causes the notification unit to notify the information.
  • the user etc. can predict the lifespan information (cumulative irradiation time that will reach the lifespan, remaining time until the lifespan, etc.) according to the actual usage status of the light source, and have the notification unit notify it. It is possible to know when to replace the lifespan information (cumulative irradiation time that will reach the lifespan, remaining time until the lifespan, etc.) according to the actual usage status of the light source, and have the notification unit notify it. It is possible to know when to replace the lifespan information (cumulative irradiation time that will reach the lifespan, remaining time until the lifespan, etc.) according to the actual usage status of the light source, and have the notification unit notify it. It is possible to know when to replace the lifespan information (cumulative irradiation time that will reach the lifespan, remaining time until the lifespan, etc.) according to the actual usage status of the light source, and have the notification unit notify it. It is possible to know when to replace the lifespan information (cumulative irradiation time that will reach the lifespan, remaining time until the lifespan, etc.)
  • the air treatment device is an indoor unit of an air conditioner.
  • the indoor unit of the air conditioner controls the indoor temperature
  • the light source is easily affected by the temperature. Therefore, it is more effective to apply the present disclosure.
  • FIG. 1 is a schematic configuration diagram of an air treatment device according to an embodiment of the present disclosure. It is a perspective view of an indoor unit. It is a sectional view of an indoor unit. It is a block diagram of a control system of an air conditioner. It is a graph showing the relationship between irradiation time and luminescence intensity for each operating temperature of the light source. It is a graph showing the relationship between irradiation time and luminescence intensity for each current used by the light source.
  • FIG. 3 is a diagram illustrating a method of calculating the emission intensity of a light source.
  • FIG. 1 is a schematic configuration diagram of an air treatment device according to an embodiment of the present disclosure.
  • the air processing device 10 shown in FIG. 1 is an air conditioner.
  • the air conditioner cools and heats the indoor space S1 in the building B by performing a vapor compression type refrigeration cycle operation.
  • the air conditioner 10 includes an indoor unit 11.
  • the air conditioner 10 further includes an outdoor unit 12 and a refrigerant pipe 13.
  • the refrigerant pipe 13 includes a liquid pipe 13L and a gas pipe 13G.
  • a refrigerant circuit is configured by connecting an indoor unit 11 and an outdoor unit 12 through a refrigerant pipe 13.
  • the indoor unit 11 is placed in the indoor space S1, and the outdoor unit 12 is placed in the outdoor space S2.
  • the air conditioner 10 shown in FIG. 1 one indoor unit 11 is connected to one outdoor unit 12, but multiple indoor units 11 are connected to one outdoor unit 12. It's okay.
  • FIG. 2 is a perspective view of the indoor unit.
  • FIG. 3 is a sectional view of the indoor unit.
  • the indoor unit 11 of this embodiment is of a ceiling-embedded type.
  • the indoor unit 11 includes a casing 41 and a decorative panel 42.
  • the casing 41 is a box-shaped body with an open bottom end, and is disposed in an opening formed in the ceiling.
  • the decorative panel 42 is made of a rectangular plate.
  • a suction port 42a for sucking indoor air is formed in the center of the decorative panel 42.
  • An elongated rectangular outlet 42b is formed around the inlet 42a of the decorative panel 42 to blow out temperature-controlled air into the room.
  • the air outlet 42b is formed at four locations along the four sides of the decorative panel 42.
  • Each outlet 42b is provided with a flap (wind direction plate) 45 that adjusts the direction of the conditioned air blown into the room from the outlet 42b, and a motor 46 as a drive unit that drives the flap 45.
  • a suction grill 43 is arranged at the suction port 42a of the decorative panel 42.
  • the indoor fan 21 includes an impeller 21a and a motor 21b serving as a drive unit that rotates the impeller 21a.
  • the indoor fan 21 sucks indoor air through the suction port 42 a of the decorative panel 42 and blows out the air toward the indoor heat exchanger 22 .
  • the indoor heat exchanger 22 is bent into a substantially rectangular shape when viewed from above so as to surround the indoor fan 21.
  • the indoor heat exchanger 22 performs heat exchange between the refrigerant flowing therein and the air blown out from the indoor fan 21 to cool or heat the air.
  • the air that has passed through the indoor heat exchanger 22 is blown out indoors from the outlet 42b.
  • the temperature sensor 51 is placed near the suction port 42a.
  • the temperature sensor 51 detects the temperature of air sucked in from the suction port 42a.
  • the temperature of the air detected by the temperature sensor 51 is substantially the same as the indoor temperature.
  • the filter 44 is disposed below the indoor fan 21 and removes dust and the like in the indoor air sucked through the suction port 42a.
  • the filter 44 is not limited to one that removes dust in the air, but may be one that removes viruses, bacteria, or odor components.
  • Filter 44 may be composed of multiple layers. Filter 44 may contain a photocatalyst.
  • the ultraviolet irradiation section 30 cleans the filter 44.
  • the ultraviolet irradiation unit 30 includes a light source 31 and a current sensor 32.
  • the light source 31 irradiates the filter 44 with ultraviolet light.
  • the light source 31 of this embodiment is an ultraviolet LED (Light Emitting Diode).
  • the light source 31 sterilizes the filter 44 by irradiating the filter 44 with ultraviolet light.
  • the light source 31 may irradiate the photocatalyst included in the filter 44 with ultraviolet rays to decompose odor components and the like.
  • Current sensor 32 detects the current flowing through light source 31 .
  • FIG. 4 is a block diagram of the control system of the air conditioner.
  • the controller 24 is composed of, for example, a microcomputer including a control section 24a such as a CPU, and a storage section 24b such as a RAM or ROM.
  • the controller 24 may include an integrated circuit such as an FPGA or an ASIC. Detection signals from the temperature sensor 51 and the current sensor 32 are input to the controller 24 .
  • the controller 24 executes control of cooling operation and heating operation (control of refrigerant evaporation temperature, air volume, etc.) based on the detected value of the temperature sensor 51, etc.
  • the controller 24 controls the operation of the ultraviolet irradiation section 30 based on the detected values of the temperature sensor 51 and the current sensor 32.
  • the controller 24 measures and accumulates the irradiation time of the light source 31. Therefore, the controller 24 functions as a measurement unit that measures the irradiation time of the light source 31. However, the irradiation time may be measured using a device other than the controller 24, and the controller 24 may acquire information on the device.
  • the air conditioner 10 further includes a remote controller 25 communicatively connected to the controller 24.
  • the remote controller 25 can be used to start and stop the operation of the air conditioner 10, and to set target temperature, air volume, air direction, and the like.
  • the remote controller 25 includes a display section (notification section) that displays the operating state and setting state.
  • the controller 24 drives the ultraviolet irradiation unit 30 before starting or ending the cooling operation or heating operation, and irradiates the filter 44 with ultraviolet rays to clean the filter 44. Furthermore, the controller 24 stops the ultraviolet irradiation section 30 after irradiating the ultraviolet rays with the amount of irradiation necessary for cleaning the filter 44 . For this control, the controller 24 performs processing (hereinafter also referred to as "first processing") for determining the emission intensity (irradiation intensity) and irradiation amount of the ultraviolet rays irradiated onto the filter 44.
  • first processing hereinafter also referred to as "first processing
  • the light source 31 deteriorates after long-term use, and its emission intensity gradually decreases.
  • the light source 31 reaches the end of its lifespan when the emission intensity drops to a predetermined limit value.
  • the controller 24 performs a process of detecting the lifespan of the light source 31 (hereinafter also referred to as "second process”). Further, the controller 24 performs a process (hereinafter also referred to as "third process") of predicting the period until the light source 31 reaches the end of its life.
  • FIG. 5 is a graph showing the relationship between irradiation time and luminescence intensity for each operating temperature of the light source.
  • FIG. 6 is a graph showing the relationship between irradiation time and emission intensity for each current value of the light source.
  • the irradiation time in FIGS. 5 and 6 is the cumulative time during which the light source 31 irradiated ultraviolet rays, and hereinafter also referred to as "cumulative irradiation time.”
  • the luminescence intensity is shown as a percentage of the nearly virgin state.
  • the emission intensity is approximately 1.1 when the irradiation time is 0.
  • the numerical values attached to the horizontal and vertical axes are merely examples and do not limit the present disclosure.
  • the light source 31 gradually decreases in light emission intensity as the cumulative irradiation time increases.
  • the degree of reduction in emission intensity changes depending on the ambient temperature (usage temperature). Specifically, if the supplied current is the same, the light source 31 operates at a higher operating temperature (e.g., the 40° C. curve in FIG. 5) than at a lower operating temperature (e.g., the 25° C. curve in FIG. 5). The faster the deterioration, the faster the deterioration will occur. In other words, the light source 31 deteriorates more quickly as the heat influence from the surroundings increases.
  • the degree of reduction in emission intensity changes depending on the magnitude of the supplied current (current used). Specifically, if the ambient temperature is the same, the light source 31 performs better when the current is large (for example, the 200 mA curve in FIG. 6) than when the current is small (for example, the 170 mA curve in FIG. 6). Deterioration accelerates. This is thought to be because the larger the current, the greater the heat generation, and the light source 31 is affected by the heat.
  • the controller 24 acquires information on the temperature detected by the temperature sensor 51 and information on the current value of the light source 31 detected by the current sensor 32. The controller 24 uses this information to determine the light emission intensity of the light source 31.
  • the storage section 24b of the controller 24 holds information about the characteristics of the light source 31.
  • the storage unit 24b of the controller 24 stores information (deterioration information) indicating deterioration curves as shown in FIGS. 5 and 6 as the characteristics of the light source 31.
  • the storage unit 24b of the controller 24 stores information on a deterioration curve for each predetermined temperature according to the current value as shown in FIG. 5, or information on a predetermined current according to the temperature as shown in FIG. Information on deterioration curves for each value is held in the form of formulas, tables, etc.
  • the controller 24 controls each current value in predetermined current value increments (e.g., 5 mA increments) within the range of the current used by the light source 31 (e.g., TYP value (Typical value) ⁇ 20 mA) at a predetermined temperature interval (e.g., 5°C). It holds information indicating the deterioration curve of each step.
  • the controller 24 may generate a current value at each predetermined current value (for example, in 5 mA increments) for each temperature in predetermined temperature increments (for example, in 5 °C increments) within the operating temperature range of the light source 31 (for example, -10 °C to 40 °C). It holds information indicating the deterioration curve.
  • the controller 24 uses information about the deterioration curve at the temperature after the change. For example, as shown in FIG. 5, if the operating temperature during cumulative irradiation time of 0 to 5000 hours is 40°C, and the operating temperature during cumulative irradiation time of 5000 to 10,000 hours is 25°C, then during 0 to 5000 hours The deterioration curve L1 at 40° C. is used, and the deterioration curve L2 at 25° C. is used for 5000 to 10000 hours.
  • the emission intensity can be determined accurately.
  • the controller 24 drives the ultraviolet irradiation unit 30 before starting or ending the cooling operation or heating operation, and irradiates the filter 44 with ultraviolet rays to clean the filter 44.
  • the controller 24 determines the amount of irradiation after the light source 31 starts irradiating ultraviolet rays. After starting the ultraviolet irradiation, the controller 24 ends the ultraviolet irradiation when the amount of ultraviolet rays necessary to clean the filter 44 has been irradiated. In other words, the ultraviolet irradiation section 30 is driven for the irradiation time necessary to clean the filter 44.
  • This irradiation amount can be determined by multiplying the emission intensity of the light source 31 determined as described above by the irradiation time and accumulating the result. In other words, the irradiation amount can be determined by the integral value of the deterioration curve applied according to the operating temperature and operating current as described above.
  • ultraviolet rays can be irradiated from the light source 31 to the filter 44 for only the time required to clean the filter 44, and unnecessary irradiation of the light source 31 is avoided. can be reduced, and the lifespan (usage limit) of the light source 31 can be extended.
  • the controller 24 When the light source 31 reaches the end of its life, the controller 24 notifies the light source 31 of this fact. For example, the controller 24 makes a notification using the display section (notification section) of the remote controller 25 of the air conditioner 10.
  • the lifespan of the light source 31 may be detected when the total amount of irradiation from the light source 31 reaches a predetermined value.
  • the light emission intensity and irradiation amount of the light source 31 are determined using appropriate deterioration curve information according to the operating temperature and operating current, so that it is possible to accurately determine that the light source 31 has reached the end of its service life.
  • the usable irradiation time of the light source 31 can be extended (substantial life span).
  • the light source 31 has been designed to emit light until it reaches its usage limit (life span).
  • a cumulative irradiation time is set, and the life of the light source 31 is detected when the cumulative irradiation time is reached. For example, if the deterioration curve when the light source 31 is used at the highest operating temperature and operating current is the deterioration curve L1 shown in FIG. Regardless of changes in operating temperature and operating current, the life span is detected at the cumulative irradiation time h1 (approximately 16,000 hours) at which the emission intensity is expected to be ⁇ 4.
  • a deterioration curve according to the operating temperature and operating current is applied, so if the operating temperature after 5000 hours is 25°C, the deterioration curve L2 at 25°C (actual The luminescence intensity is determined using the curves L2', L2''), and the lifetime is detected at the cumulative irradiation time h2 (approximately 18,500 hours) when the luminescence intensity becomes ⁇ 4. Therefore, the difference in cumulative irradiation time (h2 -h1) can extend the usage limit (lifetime period) and increase the lifespan.
  • FIG. 8 is a diagram illustrating a method for predicting the life of a light source.
  • a curve L3 shown in FIG. 8 is a deterioration curve when the light source 31 is used under standard usage conditions (standard temperature and standard current).
  • the standard temperature and standard current are, for example, rated values written in the product data sheet as indicating the characteristics of the light source 31.
  • the curve L4 shown in FIG. 8 is a deterioration curve applied according to the actual operating temperature and operating current as described above.
  • the controller 24 predicts lifespan information according to actual usage conditions based on the relationship between the actual light emission intensity ⁇ 5 and the rated light emission intensity ⁇ 6 at an arbitrary time h3. Specifically, the controller 24 determines the degree of deterioration of the light source 31 under standard usage conditions and the degree of deterioration of the light source 31 under actual usage conditions.
  • the controller 24 can display information on the predicted lifespan on the display section of the remote controller 25.
  • the lifetime information can be the cumulative irradiation time that is predicted to reach the lifetime.
  • the lifetime information may be the remaining time until the cumulative irradiation time that is predicted to reach the lifetime. The user or the like can know when to replace the light source 31 from the notified lifespan information.
  • FIG. 9 is a flowchart illustrating a process performed by the controller regarding the life of the light source.
  • the flow of the first to third processes described above will be described below with reference to FIG.
  • the controller 24 acquires the operating temperature from the temperature sensor 51 in step S1, and acquires the value of the current supplied to the light source 31 from the current sensor 32 in step S2.
  • the controller 24 selects the information on the deterioration curve according to the acquired operating temperature and operating current.
  • step S4 the controller 24 calculates the light emission intensity using the information on the selected deterioration curve.
  • step S5 the controller 24 calculates the irradiation amount using the calculated light emission intensity.
  • step S6 the controller 24 determines whether the light source 31 has reached the end of its lifespan based on the calculated light emission intensity or irradiation amount. If the determination in step S6 is affirmative (Yes), the controller 24 advances the process to step S7 and notifies via the display section of the remote controller 25 that the light source 31 has reached the end of its lifespan.
  • step S6 determines whether the determination in step S6 is negative (No) or notifies the time (cumulative irradiation time) when the life span will be reached.
  • step S9 the controller 24 notifies information on the predicted lifespan via the display section of the remote controller 25. The controller 24 repeatedly executes the above series of processes as the light source 31 is driven.
  • the controller 24 can perform the following processes.
  • the controller 24 determines that the emission intensity of the light source 31 determined from the information on the deterioration curve according to the operating temperature and the operating current is lower than the emission intensity of the light source 31 in an initial state without deterioration (1.1 in the example of FIG. 5).
  • the light source 31 may be driven so that the light emission intensity is equal to that in the initial state by increasing the current supplied to the light source 31.
  • the controller 24 may prohibit driving of the light source 31 in order to suppress deterioration of the light source 31, or may drive the light source 31 with the output limited. Good too. In the latter case, the filter 44 can be cleaned while suppressing deterioration of the light source 31.
  • the air processing device 10 of the above embodiment which is exemplified by an air conditioner, includes a casing 41, a light source 31 that irradiates the inside of the casing 41 with ultraviolet rays, and a temperature sensor 51 that detects the temperature around the light source 31. , a current sensor 32 that detects the value of the current supplied to the light source 31, a measurement unit 24 that measures the irradiation time of the light source 31, and a controller 24.
  • the controller 24 controls the amount of ultraviolet rays emitted from the light source 31 when the light source 31 is driven based on the air temperature detected by the temperature sensor 51, the current value detected by the current sensor 32, and the irradiation time measured by the measurement unit 24.
  • the light source 31 When the irradiation amount reaches the target irradiation amount, the light source 31 is stopped. According to this configuration, it is possible to accurately determine the irradiation state using not only the current value of the light source 31 but also the surrounding temperature, and to irradiate the light source 31 with ultraviolet rays of the necessary irradiation amount (target irradiation amount). It is possible to suppress wasteful use of and improve the lifespan. Furthermore, in the above embodiment, since the temperature sensor 51 used for indoor temperature control in the air conditioner 10 is used to detect the temperature around the light source 31, it is necessary to newly provide a temperature sensor dedicated to the light source 31. There is no
  • the controller 24 calculates the irradiation intensity of ultraviolet rays from the light source 31 based on the temperature of the air detected by the temperature sensor 51 and the current value detected by the current sensor 32. , the irradiation amount is calculated from the calculated irradiation intensity and irradiation time.
  • the irradiation intensity of the light source 31 is calculated using not only the current value of the light source 31 but also the temperature around the light source 31, so the irradiation intensity can be calculated more accurately than when only the current value is used, and the irradiation intensity can be appropriately calculated.
  • the inside of the casing 41 can be irradiated with ultraviolet rays of a certain amount.
  • the air processing apparatus 10 of the above embodiment further includes a notification unit (remote controller) 25, and the controller 24 causes the notification unit 25 to notify when the calculated irradiation intensity reaches a predetermined value.
  • a notification unit remote controller
  • the controller 24 causes the notification unit 25 to notify when the calculated irradiation intensity reaches a predetermined value.
  • the air treatment device 10 of the above embodiment further includes a notification unit 25, and the controller 24 operates based on the relationship between the calculated irradiation intensity ⁇ 5 and the rated irradiation intensity ⁇ 6 of the light source 31, as shown in FIG. , predicts information regarding the actual lifespan h5 of the light source 31 from the rated lifespan h4 of the light source 31, and causes the notification unit 25 to notify the information.
  • the user etc. can predict the lifespan information (cumulative irradiation time that will reach the lifespan, remaining time until the lifespan, etc.) according to the actual usage state of the light source 31 and have the notification unit 25 notify it. It is possible to know when to replace the light source 31.
  • the air processing device 10 of the above embodiment is an indoor unit 11 of an air conditioner. Since the indoor unit 11 of the air conditioner controls the indoor temperature, the light source 31 is easily affected by the temperature. Therefore, it is more effective to apply the configuration of the above embodiment.
  • the air processing apparatus of the above embodiment is an air conditioner, it is not limited to an air conditioner as long as it has a light source that irradiates the filter with ultraviolet rays.
  • the air treatment device may be, for example, an air cleaner.
  • the light source may be one that irradiates ultraviolet light onto something other than the filter. Notification that the light source has reached the end of its lifespan and notification of information on the predicted lifespan are not limited to notification on the display section of the remote controller 25, and may be notification using sound, light, or the like. These notifications may be notifications using a device other than the remote controller 25.
  • Air conditioner air treatment device
  • Controller Remote controller (notification section)
  • Light source Current sensor 41: Casing 51: Temperature sensor

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

Un dispositif de traitement d'air (10) comprend : une source lumineuse (31) destinée à irradier l'intérieur d'un carter (41) à l'aide d'un rayon ultraviolet ; un capteur de température (51) destiné à détecter la température de la périphérie de la source lumineuse (31) ; un capteur de courant (32) destiné à détecter la valeur d'un courant apporté à la source lumineuse (31) ; une unité de mesure (24) destinée à mesurer un temps d'irradiation de la source lumineuse (31) ; et un dispositif de commande (24). Le dispositif de commande (24) arrête la source lumineuse (31) si la quantité d'irradiation du rayon ultraviolet émanant de la source lumineuse (31) atteint une quantité cible d'irradiation lorsque la source lumineuse (31) est entraînée, sur la base de la température de l'air détectée par le capteur de température (51), de la valeur de courant détectée par le capteur de courant (32), et du temps d'irradiation mesuré par l'unité de mesure (24).
PCT/JP2023/016468 2022-04-26 2023-04-26 Dispositif de traitement d'air WO2023210695A1 (fr)

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JP2022072208 2022-04-26

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Citations (4)

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Publication number Priority date Publication date Assignee Title
JP2014501581A (ja) * 2010-12-05 2014-01-23 オーワイ ハルトン グループ リミテッド 紫外線空気処理システムのメンテナンス方法、システム、コントローラ、コンピュータ読み取り可能な媒体
US20140074434A1 (en) * 2011-05-13 2014-03-13 Koninklijke Philips N.V. Methods and apparatus for end-of-life estimation of solid state lighting fixtures
WO2019012702A1 (fr) * 2017-07-14 2019-01-17 三菱電機株式会社 Système d'éclairage
JP2021055892A (ja) * 2019-09-30 2021-04-08 ダイキン工業株式会社 空気調和機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014501581A (ja) * 2010-12-05 2014-01-23 オーワイ ハルトン グループ リミテッド 紫外線空気処理システムのメンテナンス方法、システム、コントローラ、コンピュータ読み取り可能な媒体
US20140074434A1 (en) * 2011-05-13 2014-03-13 Koninklijke Philips N.V. Methods and apparatus for end-of-life estimation of solid state lighting fixtures
WO2019012702A1 (fr) * 2017-07-14 2019-01-17 三菱電機株式会社 Système d'éclairage
JP2021055892A (ja) * 2019-09-30 2021-04-08 ダイキン工業株式会社 空気調和機

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