WO2021241488A1 - 空気清浄システム及び防護服 - Google Patents
空気清浄システム及び防護服 Download PDFInfo
- Publication number
- WO2021241488A1 WO2021241488A1 PCT/JP2021/019586 JP2021019586W WO2021241488A1 WO 2021241488 A1 WO2021241488 A1 WO 2021241488A1 JP 2021019586 W JP2021019586 W JP 2021019586W WO 2021241488 A1 WO2021241488 A1 WO 2021241488A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- air
- electrode
- ozone
- control unit
- power
- Prior art date
Links
Images
Classifications
-
- 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
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/46—Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
- H05H1/461—Microwave discharges
- H05H1/463—Microwave discharges using antennas or applicators
-
- 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
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/22—Ionisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/30—Controlling by gas-analysis apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/002—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment
-
- 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
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/11—Apparatus for controlling air treatment
-
- 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
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/11—Apparatus for controlling air treatment
- A61L2209/111—Sensor means, e.g. motion, brightness, scent, contaminant sensors
-
- 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
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/14—Filtering means
-
- 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
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/20—Method-related aspects
- A61L2209/21—Use of chemical compounds for treating air or the like
- A61L2209/212—Use of ozone, e.g. generated by UV radiation or electrical discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/91—Bacteria; Microorganisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4541—Gas separation or purification devices adapted for specific applications for portable use, e.g. gas masks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H2245/00—Applications of plasma devices
- H05H2245/10—Treatment of gases
- H05H2245/15—Ambient air; Ozonisers
Definitions
- This disclosure relates to an air purifying system and protective clothing using the air purifying system.
- Non-Patent Document 1 a high voltage pulse having a peak voltage of 5000 to 10000 V is applied to the electrodes at a frequency of several kHz in order to oxidize NO in the exhaust gas exhausted from an internal combustion engine such as an engine.
- a plasma reactor that generates plasma between electrodes has been proposed.
- the present disclosure discloses an air purification system capable of decomposing bacteria and viruses in the air by efficiently generating plasma while suppressing the input power as compared with the conventional case.
- the purpose is to provide protective clothing.
- the air cleaning system is an air cleaning system that generates plasma using a voltage, and is a first air cleaning system that generates electromagnetic resonance by being supplied with electric power.
- It includes an electric field probe that measures the strength of the electric field between the electrodes and a control unit that controls the power supplied to the first electrode, and the control unit includes the frequency of the power supplied to the first electrode and the frequency of the power supplied to the first electrode. The position where power is supplied to the first electrode is operated, and the output value of the signal indicating the strength of the electric field measured by the electric field probe is controlled to be the maximum.
- the air purification system incorporates a detector that monitors the amount of ozone and nitrogen oxides produced, and the plasma dissociates oxygen molecules to produce ozone. Changes the AC power, frequency, and feeding point with the ozone production amount and nitrogen oxide production amount as target values so that energy that minimizes the production of nitrogen oxides without dissociation is input to the gas molecule. This makes it possible to control the electric field applied to the plasma.
- the protective clothing according to one aspect of the present disclosure includes an air purifying system and a covering body equipped with the air purifying system and covering the surface of a human body. , The air sucked from the outside is purified, and the purified air is supplied into the covering body.
- bacteria and viruses in the air can be decomposed by efficiently generating plasma while suppressing the input power as compared with the conventional case.
- FIG. 1 is a schematic diagram showing an air purifying system according to the first embodiment.
- FIG. 2 is a schematic diagram schematically showing a flow of air sucked into the air purification system according to the first embodiment, a change in a feeding point supplied by the feeding portion to the linear electrode, and the like.
- FIG. 3 is a schematic diagram showing a change in the length of the resonator of the air purification system according to the first embodiment.
- FIG. 4 is a schematic diagram showing how the virus is decomposed in the plasma generation region of the air purification system according to the first embodiment.
- FIG. 5 is a schematic diagram schematically showing the flow of air sucked into the air cleaning system according to the modified example of the first embodiment, the change of the feeding point supplied by the feeding portion to the linear electrode, and the like.
- FIG. 6 is a block diagram showing an air purifying system according to the second embodiment, which has a flow control valve with a flow meter and the like.
- FIG. 7 is a schematic view showing the main body of the air purifying system according to the second embodiment.
- FIG. 8 is an air cleaning system according to a modification 1 of the second embodiment, and is an air cleaning system including a second filter unit, a heater unit, a second detector, a first filter unit, a first detector, piping, and the like. It is a block diagram which shows.
- FIG. 9 is an air purifying system according to a second modification of the second embodiment, which has a second filter unit, a heater unit, a second detector, a pipe, a first filter unit, and a first detector, and is provided in the pipe.
- FIG. 10 is an air cleaning system according to a modification 3 of the second embodiment, which is an air cleaning system using a main body unit 1a having a second filter unit, a heater unit, a first detector, and a control unit and the like. It is a block diagram which shows.
- FIG. 11 is a block diagram showing an air purifying system according to a modification 4 of the second embodiment, which includes a second filter unit, a heater unit, and a first detector.
- FIG. 12 is a block diagram showing an air purifying system according to a modification 5 of the second embodiment, which has a second filter unit and a first detector.
- FIG. 10 is an air cleaning system according to a modification 3 of the second embodiment, which is an air cleaning system using a main body unit 1a having a second filter unit, a heater unit, a first detector, and a control unit and the like.
- FIG. 11 is a block diagram showing an air purifying system according to a modification 4 of the second embodiment, which includes a second filter unit, a heater unit
- FIG. 13 is a block diagram showing an air purifying system according to a modification 6 of the second embodiment, which has a first detector.
- FIG. 14 is a schematic view showing a front view of the protective clothing according to the third embodiment and a display unit of the protective clothing.
- FIG. 15 is a side view showing the case where the protective clothing according to the third embodiment is viewed from the side.
- FIG. 16 is a front view showing how the air purifying system mounted on the protective clothing according to the third embodiment sucks a virus or the like together with air.
- FIG. 17 is a cross-sectional view showing an air purifying system mounted on the protective clothing according to the third embodiment in the XVI-XVI line of FIG.
- the substantially central portion not only means that it is a completely central portion, but also means that it is substantially a central portion, that is, it includes an error of, for example, about several percent. Further, the substantially central portion means the central portion to the extent that the effect of the present disclosure can be achieved. The same applies to expressions using other "abbreviations".
- Air purification system 1 (Embodiment 1) ⁇ Configuration: Air purification system 1> The configuration of the air purification system 1 in the present embodiment will be described.
- FIG. 1 is a schematic diagram showing an air purifying system 1 according to the first embodiment.
- FIG. 2 is a schematic diagram schematically showing the flow of air sucked into the air cleaning system 1 according to the first embodiment, changes in the feeding point F supplied by the feeding unit 30 to the linear electrode 20, and the like.
- the air purification system 1 uses a high-voltage plasma generator capable of generating high-frequency plasma (hereinafter, simply referred to as plasma) using a high voltage in a high frequency band, and uses air. It is an air purifier that decomposes, that is, kills and removes bacteria and viruses inside.
- the air purification system 1 generates plasma by using a high voltage in which a carrier wave of 100 MHz to 10 GHz is modulated.
- the high voltage is, for example, a voltage of about 100 V or more.
- High voltage in this embodiment may be a 10 2 ⁇ 10 5 V.
- the high frequency band is a frequency of about 100 MHz or higher.
- the high frequency band of this embodiment may be 100 MHz or more and 10 GHz.
- the plasma of the present embodiment is an atmospheric pressure plasma generated in a normal pressure atmosphere.
- the air cleaning system 1 can also decompose and remove fine particles such as dust, pollen, mites, and smoke floating in the air.
- the air purification system 1 includes a first housing 10, a linear electrode 20, a feeding unit 30, an electric field probe 40, a second amplifier 41, a detector 42, a voltage converter 35, an actuator 36, and the like. It includes a control unit 70, a duct 17, a second housing 50, a filter 60, and a fan 51.
- the first housing 10 forms (defines) a long space 10a for accommodating the linear electrode 20 in a state of being separated from the linear electrode 20. Since the first housing 10 is grounded, it functions as a ground electrode. The first housing 10 is arranged so as to surround the linear electrode 20 in order to accommodate the linear electrode 20. A support 16a for connecting the linear electrodes 20 is arranged and fixed in the space 10a inside the first housing 10. The support 16a is a support member for separating the inner wall surface of the first housing 10 from the linear electrode 20 and supporting the linear electrode 20 in a predetermined posture. For the support 16a, a material such as polytetrafluoroethylene is used.
- a highly conductive conductor material is used for the first housing 10, and for example, a material such as silver, copper, or aluminum is used.
- the first housing 10 is an example of the second electrode.
- the first housing 10 is long along the same direction as the length direction of the linear electrode 20 in order to accommodate the linear electrode 20.
- the first housing 10 has a shape corresponding to the shape of the linear electrode 20, for example, a cylindrical shape, but the shape of the first housing 10 is not particularly limited.
- the first housing 10 is formed with a suction port 12a for sucking air and a ventilation port 12b for discharging the air sucked from the suction port 12a to the duct 17.
- a suction port 12a is formed on one end side of the first housing 10 in the length direction
- a ventilation port 12b is formed on the other end side of the first housing 10 in the length direction.
- a duct 17 is connected to the ventilation port 12b, and at the ventilation port 12b, air that has passed through the suction port 12a and has flowed through the space 10a of the first housing 10 passes through the duct 17 and flows into the duct 17.
- the first housing 10 has a mesh-like frame body 13.
- the frame 13 is provided at the suction port 12a and covers the opening surface of the suction port 12a.
- the linear electrode 20 is a long electrode that is long in a predetermined direction.
- the linear electrode 20 is housed in the first housing 10 and is provided in a state of being separated from the first housing 10. Specifically, the linear electrode 20 is connected to the support 16a so as to be separated from the inner wall surface of the first housing 10, and is in a predetermined posture along the length direction of the first housing 10. It is arranged and fixed to the first housing 10 via the support 16a.
- the linear electrode 20 a highly conductive conductor material is used, and for example, a material such as silver, copper, or aluminum is used.
- the linear electrode 20 is an example of the first electrode.
- the first electrode may be a plate-shaped electrode and is not limited to the linear electrode 20.
- modulated AC power or unmodulated AC power supplied from the feeding unit 30 is applied to the feeding point F of the linear electrode 20.
- the feeding point F is a substantially central portion in the length direction of the linear electrode 20, and is a point to which modulated AC power or unmodulated AC power supplied from the feeding unit 30 is applied.
- the feeding point F is a linear electrode from a position approximately 1 ⁇ 2 in the length direction of the linear electrode 20 according to an output value (for example, an output voltage) of a signal indicating the strength of the electric field measured by the electric field probe 40. It is displaced by a predetermined distance along the length direction of 20.
- the length of the linear electrode 20 is the sum of the length of the main body of the linear electrode 20 and the lengths of the first dielectric 22 and the second dielectric 23 in the length direction of the linear electrode 20.
- a first dielectric 22 and a second dielectric 23 are provided at one end of the linear electrode 20 (the end on the suction port 12a side).
- the first dielectric 22 and the second dielectric 23 are provided on the linear electrode 20 so that one end of the linear electrode 20 is not exposed.
- the first dielectric 22 is a highly heat-resistant dielectric material arranged around the linear electrode 20 at one end of the linear electrode 20.
- the second dielectric 23 is a dielectric material having high heat resistance arranged on the end face of one end of the linear electrode 20.
- Each of the first dielectric 22 and the second dielectric 23 is a ceramic such as quartz glass or alumina. In this embodiment, the first dielectric 22 is synthetic quartz and the second dielectric 23 is alumina.
- the linear electrode 20 generates resonance in the first housing 10 by being supplied with AC power from the feeding unit 30. AC power is supplied to the linear electrode 20 so that resonance with maximum efficiency occurs.
- FIG. 3 is a schematic diagram showing a change of 1/2 wavelength at the time of resonance of the air purification system 1 according to the first embodiment.
- the 1/2 wavelength at the time of resonance in the space 10a of the first housing 10 is the length in the length direction of the linear electrode 20 and between one end of the linear electrode 20 and the suction port 12a of the first housing 10.
- the sum with the length of the plasma generated in the plasma generation region P (the length parallel to the length direction of the linear electrode 20) is shown.
- FIG. 3a shows a state in which plasma is not generated in the plasma generation region P, and as shown by the broken line, when the electromagnetic wave resonates on the linear electrode 20, the half wavelength of the electromagnetic wave is the linear electrode. It becomes the length in the length direction of 20.
- the state where the size of the plasma is the maximum in the plasma generation region P is shown, and the half wavelength of the electromagnetic wave when resonating is shown as shown by the broken line.
- the length of the linear electrode 20 is set so that plasma is effectively generated in the plasma generation region P in the frequency band of 100 MHz to 10 GHz.
- the plasma generation region P is a region between one end of the linear electrode 20 and the opening surface of the suction port 12a, and is a region for generating plasma in the space 10a of the first housing 10.
- the first shortest distance between one end of the linear electrode 20 and the opening surface of the suction port 12a in the plasma generation region P is shorter than the second shortest distance between the other end of the linear electrode 20 and the opening surface of the ventilation port 12b. ..
- the plasma generation region P overlaps and covers the opening surface of the suction port 12a.
- the size of the generated plasma and the projected area facing the opening surface vary depending on the AC power supplied to the linear electrode 20.
- the modulated alternating current or the unmodulated alternating current output by the frequency variable oscillator + modulator 31 by being controlled by the control unit 70 is the first amplifier.
- a modulated alternating current or an unmodulated alternating current is supplied to the feeding point F of the linear electrode 20.
- the feeding unit 30 includes a frequency variable oscillator + modulator 31, a first amplifier 32, a feeding terminal 33, and a feeding line 34.
- the frequency variable oscillator + modulator 31 functions as both a voltage control oscillator and a modulator that supplies modulated AC power or unmodulated AC current to the feeding point F of the linear electrode 20 via the first amplifier 32. It is a combination of. Specifically, the frequency variable oscillator + modulator 31 is supplied to the linear electrode 20 by being controlled by the control unit 70 so that the output value of the signal measured by the electric field probe 40 becomes the maximum (or maximum). Controls the frequency of AC power. That is, in the frequency variable oscillator + modulator 31, the phase of the current (or voltage) when the AC power amplified by the first amplifier 32 is supplied to the feeding point F is a resonance generated in the space 10a of the first housing 10. It is controlled by the control unit 70 so as to be in phase (synchronized) with the phase of the current of time. The frequency variable oscillator + modulator outputs an alternating current controlled so that these phases are synchronized with each other to the first amplifier 32.
- the first amplifier 32 amplifies the AC power output by the frequency variable oscillator + modulator 31, and supplies the amplified AC power to the feeding point F via the feeding line 34.
- the first amplifier 32 amplifies the AC power at a predetermined magnification, but the amplification amount may be appropriately set.
- the power supply terminal 33 is a connection terminal for supplying the AC power amplified by the first amplifier 32 to the power supply point F of the linear electrode 20.
- the feeding terminal 33 is fixed to the first housing 10 so that the feeding line 34 is electrically connected to the feeding point F of the linear electrode 20.
- the feeding terminal 33 is a holding body that holds the feeding line 34 with respect to the first housing 10.
- the feeder line 34 is a power line for supplying the AC power amplified by the first amplifier 32 to the feeder point F of the linear electrode 20.
- the feeder line 34 is held by the feeder terminal 33 and can be moved together with the feeder terminal 33 in the length direction of the linear electrode 20 by the actuator 36. Only the feeder line 34 may be movable in the length direction of the linear electrode 20 by the actuator 36.
- the electric field probe 40 is a sensor that measures the strength of the electric field between the linear electrode 20 and the first housing 10 when the amplified AC power is supplied to the linear electrode 20.
- the electric field probe 40 measures the strength of the electric field in the space 10a of the first housing 10 to obtain a measurement signal (measured signal) proportional to the strength of the electric field via the second amplifier 41. Output to 42.
- the electric field probe 40 outputs a measurement signal having a maximum (or maximum) output value by controlling the feeding unit 30 and the voltage converter 35 by the control unit 70.
- the electric field probe 40 is fixed to the first housing 10.
- the electric field probe 40 is located on the vent 12b side of the first housing 10 and at the position of the first housing 10 facing the other end side of the linear electrode 20.
- the second amplifier 41 amplifies the measurement signal output by the electric field probe 40, and outputs the amplified measurement signal to the detector 42.
- the second amplifier 41 amplifies the measurement signal at a predetermined magnification, but the amplification amount may be appropriately set.
- the detector 42 acquires the measurement signal amplified by the second amplifier 41 and detects the acquired measurement signal. For example, the detector 42 detects a measurement signal with a Schottky barrier diode. The detector 42 outputs a signal indicating a detection result based on the detected measurement signal to the control unit 70.
- the signal indicating the detection result is a signal indicating the result of monitoring the strength of the electric field in the first housing 10.
- the voltage converter 35 is controlled by the control unit 70 to adjust the voltage supplied to the actuator 36 based on a variable power source such as an external power source.
- the voltage converter 35 adjusts the voltage supplied to the actuator 36 by being controlled by the control unit 70 according to the detection result based on the measurement signal detected by the detector 42. That is, the voltage converter 35 drives the actuator 36 by adjusting the voltage applied to the actuator 36.
- the actuator 36 is connected to the power supply terminal 33 of the power supply unit 30 and is driven by applying a voltage from the voltage converter 35.
- the actuator 36 is, for example, a piezoelectric element that expands and contracts and is driven by applying a voltage.
- the actuator 36 is driven by applying a voltage from the voltage converter 35 to move the feeder line 34 along the length direction of the linear electrode 20. That is, the actuator 36 drives and moves the feeder line 34 to displace the position of the feeder point F that supplies AC power to the linear electrode 20.
- the actuator 36 moves the position of the feeding point F with respect to the linear electrode 20 by a distance ⁇ x along the length direction of the linear electrode 20 to obtain the linear electrode.
- the position of the feeding point F with respect to 20 is adjusted.
- the distance ⁇ x is the time of setting the arbitrary reference position, the displacement amount with respect to the reference position, depending on the voltage V in 1 supplied from the voltage converter 35.
- the reference position is, for example, an initial position in a state where AC power is not supplied to the linear electrode 20, or a position halved in the length direction of the linear electrode 20.
- the control unit 70 is, for example, a microcontroller or the like.
- the control unit 70 controls the power supply unit 30 and the voltage converter 35.
- the control unit 70 controls the AC power supplied to the linear electrode 20 by controlling the power supply unit 30. That is, the control unit 70 controls the frequency of the AC power supplied to the linear electrode 20 so that the output value of the signal measured by the electric field probe 40 is maximized. Specifically, the control unit 70 controls the frequency variable oscillator + modulator 31 according to the detection result based on the measurement signal detected by the detector 42, so that the AC power supplied to the linear electrode 20 can be obtained. Control the frequency. At this time, the control unit 70 has the same phase of the phase of the current (or voltage) supplied to the feeding point F and the phase of the current (or voltage) at the time of resonance generated in the space 10a of the first housing 10. As described above, the frequency variable oscillator + modulator 31 is controlled.
- the control unit 70 also controls the voltage applied to the actuator 36 by controlling the voltage converter 35. That is, the control unit 70 also controls the position of the supply with respect to the linear electrode 20 so that the output value of the signal measured by the electric field probe 40 is maximized. In other words, the control unit 70 adjusts the position of the feeding point F by controlling the actuator 36 according to the detection result based on the measurement signal detected by the detector 42.
- the detection result (which shows the maximum in the resonance state) based on the measurement signal detected by the detector 42 is the control amount, and the frequency of the power output from the frequency variable oscillator + modulator 31.
- the position of the feeding point F corresponding to the output of the voltage converter 35 corresponds to the operation amount in this automatic control.
- the control unit 70 operates the frequency of the AC power supplied to the linear electrode 20 and the voltage applied to the actuator 36 for adjusting the position of the feeding point F, and determines the strength of the electric field in the first housing 10.
- the feedback control is performed so that the measurement signal measured by the sensed electric field probe 40 is maximized.
- the duct 17 is a pipe connecting the space 10a of the first housing 10 and the space 50a of the second housing 50, and the air sucked from the suction port 12a of the first housing 10 passes through the duct 17.
- One end of the duct 17 is connected to the vent 12b of the first housing 10, and the other end of the duct 17 is connected to the vent 50b of the second housing 50. That is, the duct 17 guides the air flowing through the space 10a of the first housing 10 to the space 50a of the second housing 50.
- the second housing 50 forms (regulates) a space 50a that accommodates the filter 60 and the fan 51.
- a filter 60 and a fan 51 are arranged and fixed in the space 50a inside the second housing 50.
- a highly conductive conductor material is used for the second housing 50, and for example, a material such as silver, copper, or aluminum is used.
- the second housing 50 may be an example constituting a part of the second electrode.
- the second housing 50 has, for example, a long tubular shape, but the shape of the second housing 50 is not particularly limited.
- the second housing 50 is formed with a vent 50b through which the air guided by the duct 17 passes and a discharge port 52 for discharging the air invading from the vent 50b to the outside of the second housing 50. Will be done.
- a ventilation port 50b is formed on one end side of the second housing 50 in the length direction, and a discharge port 52 is formed on the other end side of the second housing 50 in the length direction.
- a duct 17 is connected to the vent 50b, and air and the like that have passed through the first housing 10 and the duct 17 pass through. Further, at the discharge port 52, the air that has passed through the ventilation port 50b and passed through the filter 60 or the like in the space 50a of the second housing 50 is discharged to the outside.
- the filter 60 is generated by the generation of plasma when the air flowing from the ventilation port 50b side of the second housing 50 to the discharge port 52 side (air sucked from the suction port 12a of the first housing 10) passes through. Ozone contained in the air can be removed.
- the filter 60 is arranged in the space 50a of the second housing 50 and in the vicinity of the discharge port 52 in order to remove ozone.
- Such a filter 60 contains activated carbon.
- the filter 60 can also adsorb debris such as bacteria and viruses.
- the filter 60 adsorbs debris such as bacteria and viruses contained in the air that has passed through the first housing 10 and the duct 17.
- the fan 51 sucks air from the suction port 12a of the first housing 10, and discharges the sucked air from the discharge port 52 of the second housing 50, so that the first housing 10, the duct 17, and the second housing It is a blower that generates an air flow inside the body 50.
- the fan 51 is arranged in the space 50a of the second housing 50, and in the present embodiment, the fan 51 is arranged closer to the discharge port 52 of the second housing 50 than the filter 60. Further, when the propeller of the fan 51 is rotated by driving the electric motor of the fan 51 (the fan 51 is driven), air is sucked from the suction port 12a of the first housing 10 and the first housing 10 is driven. After passing through the space 10a and the inside of the duct 17 in order, it reaches the space 50a of the second housing 50, passes through the filter 60, and is discharged from the discharge port 52 of the second housing 50.
- the drive of the fan 51 may be controlled by the control unit 70. That is, when the control unit 70 controls the power feeding unit 30 and the voltage converter 35, the drive of the fan 51 may be controlled.
- the function g ( ⁇ 1 , ⁇ 2 ) that maximizes the output value of the signal measured by the electric field probe 40 is obtained. That is, the maximum value of g ( ⁇ 1 , ⁇ 2) is obtained.
- the control unit 70 controls the drive of the power feeding unit 30 and the voltage converter 35. At this time, the control unit 70 may drive the fan 51 together with driving the power feeding unit 30 and the voltage converter 35.
- the control unit 70 controls the power feeding unit 30 to generate plasma in the plasma generation region P.
- air containing, for example, bacteria and viruses is sucked from the suction port 12a of the first housing 10 by the rotation of the fan 51, the air is formed between the suction port 12a and the linear electrode 20. It passes through the plasma generation region P.
- FIG. 4 is a schematic diagram showing how the virus is decomposed in the plasma generation region P of the air purification system 1 according to the first embodiment.
- dust such as decomposed bacteria and debris such as a virus passes through the space 10a of the first housing 10 together with air, flows to the second housing 50 through the duct 17, and flows to the second housing 50. It is adsorbed by the filter 60 of the housing 50 and removed from the air. As a result, the air that has passed through the filter 60 is purified and discharged from the discharge port 52 of the second housing 50. In this way, the air cleaning system 1 can remove bacteria, viruses, and the like in the air from the air and supply clean air.
- the air purifying system 1 may include a second filter 61 different from the first filter 60.
- FIG. 5 is a schematic diagram schematically showing the flow of air sucked into the air cleaning system 1 according to the modified example of the first embodiment, the change of the feeding point F supplied by the feeding unit 30 to the linear electrode 20, and the like. Is.
- the second filter 61 is arranged between the first filter 60 and the vent 50b of the second housing 50. That is, the second filter 61 is arranged on the upstream side of the first filter 60 in the air flow.
- the second filter 61 is, for example, a NO 2 filter.
- the air cleaning system 1 is an air cleaning system 1 that generates plasma by using a voltage, and is a wire that generates electromagnetic resonance by being supplied with AC power.
- the linear electrode 20, the first housing 10 arranged so as to surround the linear electrode 20 in a state of being separated from the linear electrode 20, the feeding portion 30 for supplying AC power to the linear electrode 20, and the linear electrode 20.
- It includes an electric field probe 40 that measures the strength of the electric field between the electrode 20 and the first housing 10, and a control unit 70 that controls the AC power supplied to the linear electrode 20. Then, the control unit 70 operates the frequency of the electric power supplied to the linear electrode 20 and the position where the electric power is supplied to the linear electrode 20, and the signal indicating the strength of the electric field measured by the electric field probe 40. Control so that the output value is maximized.
- the control unit 70 controls the frequency of the AC power and the position where the AC power is supplied to the linear electrode 20. Therefore, the change in the resonance frequency due to the generation of plasma so that the phase of the current when the AC power is supplied to the linear electrode 20 and the phase of the current at the time of resonance generated in the linear electrode 20 are in phase with each other. Can be synchronized (followed) with. At this time, since AC power synchronized with the change in resonance frequency can be supplied to the linear electrode 20, the electromagnetic resonance state is always maintained, and the output value of the signal measured by the electric field probe 40 is always maximum. Can be controlled so as to be.
- bacteria and viruses in the air can be decomposed by efficiently generating plasma while suppressing the input power as compared with the conventional system.
- this air cleaning system 1 since the input power can be suppressed, it is difficult to create a high voltage circuit, a step-up transformer, etc., and the power feeding unit 30 constituting the power supply of the air cleaning system 1 does not become large. Further, in this air cleaning system 1, it is possible to suppress heat generation of the feeding unit 30 due to an increase in the current value and damage to the electrodes due to the heat generation. Therefore, in this air cleaning system 1, the manufacturing cost does not increase.
- the air purification system 1 may be designed to increase the Q value of resonance, and in this case, the AC power applied to the linear electrode 20 can be suppressed.
- the air purifying system 1 includes an actuator 36 in which the feeding unit 30 displaces the position of the feeding point F for supplying AC power to the linear electrode 20. Then, the control unit 70 adjusts the position of the feeding point F by controlling the actuator 36.
- control unit 70 can displace the position of the feeding point F so that the output value of the signal measured by the electric field probe 40 is maximized. Therefore, in this air purification system 1, it is possible to easily follow the change in the resonance frequency due to the electromagnetic resonance caused by the generation of plasma.
- control unit 70 controls two parameters of the frequency and the position of the feeding point F on the linear electrode 20, and the output voltage of the electric field probe 40 is maximized.
- the actuator 36 and the feeding unit 30 are controlled so as to be.
- the control unit 70 controls feedback so that the output voltage of the electric field probe 40 becomes maximum by manipulating the frequency and the position of the feeding point F on the linear electrode 20.
- the first housing 10 is a housing in which a suction port 12a for sucking air is formed. Then, it is arranged in the vicinity of the discharge port 52 for discharging the air sucked from the suction port 12a, and when the air sucked from the suction port 12a passes, it is generated by a plasma reactor having a linear electrode 20 and a first housing 10. A filter 60 for removing nitrogen oxides and ozone to be removed is provided.
- the linear electrode 20 is a long electrode. Further, the first housing 10 forms a long space 10a for accommodating the linear electrode 20 along the length direction of the linear electrode 20. Then, a plasma generation region P for generating plasma in the space 10a is formed between the linear electrode 20 and the suction port 12a of the first housing 10.
- the plasma generation region P is formed in the vicinity of the suction port 12a, the air passing through the suction port 12a can surely pass through the plasma generation region P. Therefore, bacteria, viruses and the like contained in the air can be reliably decomposed.
- the air cleaning system 2a is different from the first embodiment in that it further includes a second filter unit 101, a heater unit 102, a third filter unit 103, and a first detector 105a.
- the configuration of the main body 1a in the air purifying system 2a of the present embodiment is the same as the configuration of the air purifying system of the first embodiment, and the same configuration is designated by the same reference numeral and detailed description of the configuration is omitted. do.
- the air purifying system 2a of the first embodiment is referred to as a main body portion 1a.
- FIG. 6 is a block diagram showing an air cleaning system 2a according to the second embodiment, and further includes an air cleaning system 2a having a flow rate control valve 115 with a flow meter and the like.
- FIG. 7 is a schematic view showing a main body portion 1a of the air purifying system 2a according to the second embodiment.
- the air cleaning system 2a includes a main body unit 1a, a second filter unit 101, a heater unit 102, a third filter unit 103, and a first detector 105a.
- the main body 1a includes a plasma reactor 3a and a first filter unit 60a.
- the plasma reactor 3a has a spectroscope 111 and a third dielectric 112 in addition to the first housing 10, the linear electrode 20, the electric field probe 40, the actuator 36, the feeding terminal 33 and the feeding line 34.
- the plasma reactor 3a is at least one of a frequency variable oscillator + modulator 31, a first amplifier 113, a second amplifier 114, a second amplifier 41, a detector 42, a voltage converter 35, a control unit 70, and a duct 17. It may have a configuration selectively.
- the air cleaning system 2a is provided with the first amplifier 113 and the second amplifier 114 in place of the first amplifier of the first embodiment.
- the first amplifier 113 is, for example, an operational amplifier that converts impedance
- the second amplifier 114 is, for example, a power amplifier.
- the first amplifier 113 and the second amplifier 114 are included in the configuration of the feeding unit 30.
- the spectroscope 111 is arranged on the suction port 12a side of the first housing 10. Specifically, the spectroscope 111 is on the suction port 12a side of the first housing 10, and is fixed to the outer peripheral surface of the first housing 10. The spectroscope 111 detects the emission intensity of plasma in the plasma generation region P. The spectroscope 111 may output the detected detection result to the control unit 70, and the control unit 70 may output the frequency (frequency variable oscillator + modulator 31) and the position of the feeding point (voltage converter) according to the detection result. The output voltage of) may be manipulated.
- the third dielectric 112 is arranged in the space 10a of the first housing 10. Specifically, the third dielectric 112 is arranged in the vicinity of the suction port 12a so as to surround or sandwich the suction port 12a of the first housing 10. The third dielectric 112 is also in the vicinity of one end of the linear electrode 20 with the second dielectric 23.
- the third dielectric 112 is a dielectric material having high heat resistance.
- the third dielectric 112 is, for example, a ceramic such as quartz glass or alumina.
- the first filter unit 60a includes a second housing 50, a first filter 60, a second filter 61, a fan 51, and a flow control valve 115 with a flow meter.
- the first filter unit 60a may have a duct 17.
- activated carbon is used in the first filter 60 in the present embodiment, nitrogen oxides may be decomposed by a catalyst by combining with activated carbon instead of activated carbon.
- the flow control valve 115 with a flow meter is arranged between the fan 51 and the first filter 60. That is, the flow control valve 115 with a flow meter is the air flowing from the first filter 60 to the fan 51, and measures and controls the flow rate of the air that has passed through the first filter 60.
- the second filter unit 101 filters the air before taking in the air as the outside air from the suction port 12a of the first housing 10 of the plasma reactor 3a. That is, the second filter unit 101 is an air filter arranged on the upstream side of the plasma reactor 3a. The second filter unit 101 removes suspended particles contained in the air before being sucked into the plasma reactor 3a.
- the suspended particles include not only bacteria and viruses but also fine particles such as dust, pollen, mites, and smoke.
- the second filter unit 101 is, for example, an activated carbon, a photocatalyst, a HEPA (High Effectively Particulate Air Filter) filter, a ULPA (Ultra Low Penetration Air Filter) filter, a MEPA (Medium Effective Air Filter) filter, etc.
- the air that has passed through the second filter unit 101 and from which the suspended particles have been removed flows to the heater unit 102.
- the heater unit 102 adjusts the amount of water (humidity) of the air flowing through the plasma reactor 3a of the main body 1a by adjusting the amount of water contained in the air passing through the second filter unit 101.
- the heater unit 102 has a humidity control heater for adjusting the humidity of the passing air and a mist separator for separating the moisture contained in the air from the air. The air that has passed through the heater unit 102 and whose humidity has been adjusted flows to the plasma reactor 3a.
- the plasma reactor 3a decomposes bacteria, viruses and the like contained in the air flowing from the heater unit 102 to the plasma reactor 3a.
- an energy intermediate between the dissociation energy of oxygen molecules contained in air (about 5 eV) and the dissociation energy of nitrogen molecules (about 9 eV) is given to gas molecules by plasma so that only oxygen molecules dissociate.
- the air that has passed through the plasma reactor 3a is filtered by the first filter unit 60a and flows to the third filter unit 103.
- the third filter unit 103 further filters the air that has passed through the plasma reactor 3a and the first filter unit 60a. That is, the third filter unit 103 is an air filter arranged on the downstream side of the plasma reactor 3a. The third filter unit 103 removes dust contained in the air that has passed through the plasma reactor 3a.
- the third filter unit 103 is, for example, activated carbon, a photocatalyst, a HEPA filter, a ULPA filter, a MEPA filter, or the like.
- the air that has passed through the third filter unit 103 and from which dust has been removed (cleaned air) flows to the first detector 105a.
- the first detector 105a detects and measures the content of ozone and nitrogen oxides contained in the purified air generated by the generation of plasma.
- the first detector 105a outputs the measurement result of measuring the contents of ozone and nitrogen oxides contained in the purified air to the control unit 70.
- the first detector 105a is an example of a detector.
- the control unit 70 measures the content of ozone and nitrogen oxides contained in the air by the first detector 105a, and the amount of ozone is always constant due to the generation of plasma, and the amount of nitrogen oxides is substantially constant.
- the power supplied to the linear electrode 20 is operated by operating the frequency variable oscillator + modulator 31 and amplifier 32. .. This control may be a feedback control using this operation.
- the control unit 70 controls to temporarily stop the air cleaning system 2a so that the cleaned air is not discharged from the air cleaning system 2a when ozone and nitrogen oxides exceeding a specified amount are measured. ..
- the control unit 70 uses the linear electrode 20 via the frequency variable oscillator + modulator 31 based on the measurement result from the first detector 105a or the like. Manipulate the amplitude of the AC power supplied to the AC power, apply amplitude modulation to the AC power, and operate so that the amplitude modulation intermittently repeats a constant value and zero. This control may be feedback control.
- the control unit 70 controls the amount of plasma generated by manipulating the duty ratio of AC power by amplitude modulation. Thereby, the content of ozone and nitrogen oxides contained in the purified air can be controlled.
- the control unit 70 performs amplitude modulation via the frequency variable oscillator + modulator 31, the waveform of the AC power supplied to the linear electrode 20 is a waveform in which the carrier wave is amplitude-modulated.
- the control unit 70 is, for example, a frequency variable oscillator + modulator 31 in order to control the amount of ozone originally contained in the atmosphere of the earth or less, preferably 0.1 ppm or less.
- the electric power supplied to the linear electrode 20 is operated via the above. This control may be feedback control.
- a first detector 105a for monitoring the generated ozone and the amount of nitrogen oxides is provided.
- Ozone is generated by dissociating oxygen molecules by plasma, but in this air purification system 2a, energy is input to gas molecules so that the production of nitrogen oxides is minimized without dissociating nitrogen molecules.
- Ozone production amount and nitrogen oxide production amount are set as the target values to be controlled, and while maintaining the electromagnetic resonance state, the waveform of the input power can be manipulated, the amplitude modulation can be manipulated, and the electric field applied to the plasma can be controlled. By manipulating it, it is possible to prevent the emission of harmful gas and enable safe and highly efficient air cleaning.
- the control corresponding to these operations may be feedback control.
- the control unit 70 is the ozone contained in the air passing between the linear electrode 20 and the first housing 10 (or the plasma generation region P).
- the measurement result of measuring the content is acquired from the first detector 105a, and based on the acquired measurement result, the air passing between the linear electrode 20 and the first housing 10 is constantly generated by the generation of plasma.
- the power supplied is manipulated to control the amount of ozone to be constant and to be an intermediate value between the dissociation energies of oxygen molecules and nitrogen molecules that do not substantially generate nitrogen oxides. This operation may be feedback control.
- the minimum ozone necessary for decomposing the virus is efficiently generated, and then the concentration of ozone contained in the purified air is set to a concentration that is not harmful to the human body or the like.
- the generated ozone can be easily removed by the filter 60.
- the electric power supplied to the linear electrode 20 is AC electric power.
- the control unit 70 controls so that the amount of ozone generated is always constant.
- the amplitude of the supplied AC power is manipulated in order to control the amount of ozone to be less than or equal to the amount of ozone originally contained in the earth's atmosphere. This control may be feedback control.
- the concentration of ozone contained in the purified air can be set to a concentration that is less harmful to the human body, for example, the amount of ozone originally contained in the earth's atmosphere, and the air can be used.
- the contained bacteria and viruses can be killed, and the generated ozone can be easily removed by the filter 60.
- the waveform of the AC power supplied to the linear electrode 20 is a waveform in which the carrier wave is amplitude-modulated. Then, in order to control the amount of ozone generated to be constant, the control unit 70 operates the amplitude modulation so that the amount of ozone is equal to or less than the amount of ozone originally contained in the atmosphere of the earth, for example. This control may be feedback control.
- the concentration of ozone contained in the purified air can be set to a concentration that is less harmful to the human body, for example, the amount of ozone originally contained in the earth's atmosphere, and is contained in the air.
- the bacteria and viruses are killed, and the generated ozone can be easily removed by the filter 60.
- the waveform of the AC power supplied to the linear electrode 20 is a waveform in which the carrier wave is amplitude-modulated.
- the control unit 70 controls so that the amount of ozone generated is constant. For example, in order to control the amount of ozone to be less than or equal to the amount of ozone originally contained in the earth's atmosphere, the time interval is manipulated so that the amplitude modulation intermittently repeats a constant value and zero. This control may be feedback control.
- the concentration of ozone contained in the purified air can be set to a concentration that is less harmful to the human body, for example, the amount of ozone originally contained in the earth's atmosphere, and the air can be used.
- the contained bacteria and viruses can be killed, and the generated ozone can be easily removed by the filter 60.
- control unit 70 operates the electric power to be supplied for the purpose of controlling the ozone concentration to be 0.1 ppm or less.
- This control may be feedback control.
- the concentration of ozone contained in the purified air can be set to a concentration that is less harmful to the human body, for example, the amount of ozone originally contained in the earth's atmosphere.
- the bacteria and viruses contained in the above can be killed, and the generated ozone can be easily removed by the filter 60.
- plasma is generated by using a high voltage of a continuous wave frequency-modulated from 100 MHz to 10 GHz.
- the input high frequency voltage can be accurately boosted 1000 times or more.
- the power efficiency from the first amplifier 32 to the linear electrode 20 of the air cleaning system 1 is 99% or more, the power efficiency is substantially 100%.
- the vibration amplitude of the electrons in the first housing 10 is not so large, and the speed of the electrons is also in a limited range. You will be able to generate it.
- the dissociation energy of nitrogen molecules is about 9 eV
- the dissociation energy of oxygen molecules is about 5 eV
- the envelope breaking energy of a virus contained in air is about 5 eV or less.
- energy of about 5 eV or more is applied to gas molecules so as to efficiently generate ozone by dissociating oxygen molecules while suppressing the generation of nitrogen oxides.
- ozone can be efficiently generated by the dissociation of oxygen molecules, and the virus can be decomposed, as well as the direct attack of ionized ions, electrons, and radicals to the virus, that is, inelastic collision, and harmful nitrogen oxidation. The generation of things is suppressed.
- the change in the resonance state due to the type and amount of the inflowing gas molecule and the change in the plasma state is always electromagnetic by adjusting and manipulating the frequency of the input power and the position of the feeding point. It is possible to maintain high "power-virus" decomposition efficiency by controlling feedback so as to maintain a resonance state, and the strength of the input power (which may be average strength), as a means, for example, for example.
- the minimum amount of ozone required to decompose the virus is efficiently generated, but the human is finally discharged from the air purifier.
- the concentration of ozone contained in the air used for breathing can be controlled to be 0.1 ppm or less, or the amount originally contained in the atmosphere on the earth.
- the control corresponding to these series of operations may be feedback control.
- the ozone concentration is 0.1 ppm or less, it can be removed by a filter 60 or the like. Detection by the first detector 105 in order to give the gas molecule energy equal to or more than the dissociation energy of oxygen, less than or equal to the dissociation energy of nitrogen, or energy corresponding to the dissociation energy of oxygen with respect to the gas molecule input to the plasma reactor 3a. The result is fed back to the control unit 70. For this reason, humans can purify the purified air, which is necessary for breathing, while generating the minimum ozone necessary for decomposing bacteria and viruses, and suppressing the generation of nitrogen oxides. It can be supplied as air.
- control unit 70 is linear.
- FIG. 8 is an air cleaning system 2b according to a modification 1 of the second embodiment, and shows a second filter unit 101, a heater unit 102, a second detector 105b, a first filter unit 60a, a first detector 105a, and piping. It is a block diagram which shows the air purification system 2b which has 17a. In FIG. 8, the flow of air as outside air is indicated by a solid arrow, and the flow of signals such as measurement results is indicated by a broken line arrow.
- the air cleaning system 2b of this modification is different from the second embodiment in that the main body 1b includes the control unit 70 and the like.
- the air cleaning system 2b includes a main body unit 1b, a second filter unit 101, a heater unit 102, a second detector 105b, a first filter unit 60a, and a first detection. It is equipped with a vessel 105a.
- the air purification system 2b does not have the third filter unit of the second embodiment.
- the first filter unit 60a is used instead of the third filter unit of the second embodiment.
- the main body 1b includes a plasma reactor 3b and a control unit 70.
- the main body portion 1b does not have the first filter portion 60a. Since the air that has passed through the plasma reactor 3b flows into the first filter unit 60a, the first filter unit 60a is arranged on the downstream side of the plasma reactor 3b.
- the main body 1b includes a frequency variable oscillator + modulator 31, a first amplifier 113, a second amplifier 114, a second amplifier 41, a detector 42, a voltage converter 35, a duct 17, and a second housing as shown in FIG. It has 50, a filter 60, a fan 51, and the like, but in FIG. 8, the configuration is simplified and described.
- the plasma reactor 3b includes a first housing 10, a linear electrode 20, a feeding unit 30, an electric field probe 40, an actuator 36, a spectroscope 111, a third dielectric 112, a first amplifier 113, a second amplifier 114, and a second amplifier. It has 41, a detector 42 and a voltage converter 35.
- the second detector 105b is arranged between the plasma reactor 3b and the first filter unit 60a, and the air that has passed through the plasma reactor 3b passes through.
- the second detector 105b detects and measures the content of ozone and nitrogen oxides contained in the gas purified by plasma and in which bacteria, viruses and the like are decomposed. Similar to the first detector 105a, the second detector 105b also outputs the measurement result of measuring the contents of ozone and nitrogen oxides contained in the purified air to the control unit 70.
- the second detector 105b may also be an example of the detector.
- the control unit 70 operates the AC power supplied to the feeding unit 30 and the linear electrode 20 of the plasma reactor 3b with the measurement result of the second detector 105b as the control target. This operation may be feedback control. When ozone and nitrogen oxides exceeding a specified amount are measured, the control unit 70 operates AC power supplied to the linear electrode 20 in order to control the generation of ozone and nitrogen oxides. This operation may be feedback control.
- a pipe 17a is provided to return the air that has passed through the second detector 105b to the plasma reactor 3b again.
- the pipe 17a connects from the discharge port side of the first housing 10 of the plasma reactor 3b to the suction port 12a side.
- the pipe 17a connects from the duct connecting the second detector 105b and the first filter unit 60a to the duct connecting the heater unit 102 and the plasma reactor 3b.
- the pipe 17a is returned to the suction port 12a side of the first housing 10 so as to circulate a part of the air that has passed through the first housing 10.
- the pipe 17a may be provided with a fan or the like for returning air to the plasma reactor 3b.
- the purified gas that has passed through the first filter unit 60a passes through.
- the air cleaning system 2b In the air cleaning system 2b according to the present modification, a part of the air sucked from the suction port 12a and passing through the inside of the first housing 10 (plasma reactor 3b) is taken into the suction port 12a. It has a pipe 17a to return to the side.
- FIG. 9 is an air cleaning system 2c according to the second modification of the second embodiment, which is a second filter unit 101, a heater unit 102, a second detector 105b, a pipe 17a, a first filter unit 60a, and a first detector. It is a block diagram which shows the air purification system 2c which has 105a and is provided with the 2nd detector 105b in the pipe 17a.
- the air purification system 2c of this modification is different from the modification 1 of the second embodiment in that the second detector 105b is provided on the pipe 17a.
- the pipe 17a connects from the duct connecting the plasma reactor 3b and the first filter unit 60a to the duct connecting the heater unit 102 and the plasma reactor 3b.
- the second detector 105b is arranged on the pipe 17a.
- the main body 1b includes a frequency variable oscillator + modulator 31, a first amplifier 113, a second amplifier 114, a second amplifier 41, a detector 42, a voltage converter 35, a duct 17, and a second housing as shown in FIG. It has 50, a filter 60, a fan 51, and the like, but in FIG. 9, the configuration is simplified and described.
- the first filter unit 60a is connected to the plasma reactor 3b and filters the air that has passed through the plasma reactor 3b.
- the energy of N 2 dissociation energy (for example, about 9 eV) or less and near the dissociation energy of O 2 (for example, about 5 eV) is the air purification system.
- the control unit 70 uses the strength or waveform (average) of the power input to the plasma reactor. Strength) is operated. This operation may be feedback control.
- the output of the second detector 105b inside or outside the plasma reactor 3b is controlled so as to be, for example, an ozone generation amount of 1 ppm or less.
- control unit 70 applies energy equal to or higher than the dissociation energy of the oxygen molecule contained in the air sucked from the suction port 12a and lower than the dissociation energy of the nitrogen molecule to the gas input to the plasma reactor 3b.
- the input power to the plasma reactor 3b is manipulated for the purpose of controlling the plasma reactor 3b. This operation may be feedback control.
- FIG. 10 is an air purifying system 2e according to a modification 3 of the second embodiment, and has a main body portion 1a having a second filter unit 101, a heater unit 102, and a first detector 105a, and having a control unit 70 and the like. It is a block diagram which shows the air purification system 2e used.
- the air purification system 2e of this modification is different from the modification 2 of the second embodiment in that the second detector and the piping are not provided and the main body portion 1c has the first filter portion 60a. ..
- the main body 1c of this modification includes a plasma reactor 3b, a first filter unit 60a, and a control unit 70.
- the main body 1c includes a frequency variable oscillator + modulator 31, a first amplifier 113, a second amplifier 114, a second amplifier 41, a detector 42, a voltage converter 35, a duct 17, and a second housing as shown in FIG. It has 50, a filter 60, a fan 51, and the like, but in FIG. 10, the configuration is simplified and described.
- FIG. 11 is a block diagram showing an air cleaning system 2f according to a modification 4 of the second embodiment, which includes a second filter unit 101, a heater unit 102, and a first detector 105a.
- the air purification system 2f of this modification is different from the modification 3 of the second embodiment in that the main body 1a of FIG. 6 is used.
- the main body portion 1a has a plasma reactor 3a and a first filter portion 60a.
- the plasma reactor 3a includes a first housing 10, a linear electrode 20, a feeding unit 30, an actuator 36, a spectroscope 111, a third dielectric 112, an electric field probe 40, a second amplifier 41, and a detector 42, as shown in FIG. It has a voltage converter 35, a control unit 70, and the like.
- FIG. 12 is a block diagram showing an air cleaning system 2g according to a modification 5 of the second embodiment, and shows an air cleaning system 2g having a second filter unit 101 and a first detector 105a.
- the air cleaning system 2g of this modification is different from the modification 4 of the second embodiment in that the heater portion is not provided.
- the second filter unit 101 is connected to the main body unit 1a, and the air that has passed through the second filter unit 101 is sucked into the plasma reactor 3a of the main body unit 1a.
- FIG. 13 is a block diagram showing an air purifying system 2h according to a modification 6 of the second embodiment, and shows an air purifying system 2h having a first detector 105a.
- the air cleaning system 2h of this modification is different from the modification 5 of the second embodiment in that the second filter unit is not provided.
- the plasma reactor 3a of the main body 1a directly inhales the surrounding outside air.
- the present embodiment differs from the first embodiment in that the protective clothing 200 is equipped with the air purification system 100.
- the configuration of the air purifying system 100 of the present embodiment is the same as the configuration of the air purifying system of the first embodiment, and the same configurations are designated by the same reference numerals and detailed description of the configurations will be omitted.
- FIG. 14 is a schematic view showing a front view of the protective clothing 200 according to the third embodiment and a display unit 201d of the protective clothing 200.
- FIG. 15 is a side view showing the case where the protective clothing 200 according to the third embodiment is viewed from the side.
- the protective clothing 200 includes an air cleaning system 100, a covering body 201, and a display unit 201d.
- the air purifying system 100 purifies the air sucked from the outside and supplies the purified air into the covering body 201. That is, the air purifying system 100 purifies the air by decomposing and removing bacteria, viruses, and the like contained in the air, and supplies the purified air into the covering 201.
- the covering body 201 is a protective clothing 200 equipped with an air purifying system 100 and covering the surface of a human body.
- the covering body 201 can cover the whole body of a person and keep the inside in a sealed state.
- the covering body 201 includes an outer skin portion 201x that covers the head, upper limbs, trunk, and lower limbs of the wearer, a helmet 201a that protects the head from above the outer skin portion 201x, and gloves 201b that protect both hands. It is equipped with boots 201c that protect both toes.
- the outer skin portion 201x and the helmet 201a are joined by a joint such as a joint portion, the outer skin portion 201x and the glove 201b are joined by another joint, and the outer skin portion 201x and the boot 201c are joined by a further joint.
- An accommodating body 90 accommodating the air cleaning system 100 is attached to the back surface side of the covering body 201.
- the housing 90 constitutes the exterior cover of the air cleaning system 100.
- the housing 90 may be included in the configuration of the protective clothing 200 or may be included in the configuration of the air cleaning system 100.
- FIG. 16 is a front view showing how the air cleaning system 100 mounted on the protective clothing 200 according to the third embodiment sucks a virus or the like together with air.
- FIG. 17 is a cross-sectional view showing an air cleaning system 100 mounted on the protective clothing 200 according to the third embodiment in the XVI-XVI line of FIG. The arrows in FIG. 17 indicate air intake and exhaust.
- the surrounding air is sucked from a plurality of suction ports 12a formed on the back surface side (opposite side to the covering body 201 side) of the accommodating body 90.
- the sucked air is purified by the air cleaning system 100 and supplied into the protective clothing 200 through the supply pipe 91.
- the air sucked into the covering body 201 is discharged from the plurality of discharging ports 52 formed on the back surface side of the housing body 90.
- the air inside the protective clothing 200 is discharged to the outside of the protective clothing 200 through the supply pipe 92.
- the air purified through the air cleaning system 100 is supplied to the inside of the protective clothing 200, and the air breathed by a person inside the protective clothing 200 is discharged from the inside of the protective clothing 200 to the outside. do.
- the clean air supplied to the inside of the protective clothing 200 and the discharged air are performed by a micropump unit or the like. That is, clean air is supplied and discharged so that a person can breathe inside the protective clothing 200.
- a carbon dioxide absorbent material capable of treating carbon dioxide emitted by human breathing may be mounted inside the housing 90.
- the plurality of suction ports 12a and the plurality of discharge ports 52 formed on the back surface side of the housing 90 are alternately arranged one by one.
- the arrangement of the suction port 12a and the discharge port 52 is not limited to this embodiment, and for example, a plurality of suction ports 12a may be arranged alternately.
- the display unit 201d is a monitor attached to the front surface side of the covering body 201.
- the display unit 201d displays, for example, information inside the covering body 201.
- the information displays, for example, the level of clean air in the covering 201, the temperature, humidity in the covering 201, the remaining battery level, and the like.
- the display unit 201d displays the information by being controlled by the control unit 70 of the air cleaning system 100.
- the protective clothing 200 includes an air cleaning system 100, an air cleaning system 100, and a covering body 201 that covers the surface of the human body. Then, the air purifying system 100 purifies the air sucked from the outside, and supplies the purified air into the covering body 201.
- the protective clothing 200 also has the same effect as that of the first embodiment described above.
- the air cleaning system of the first to third embodiments and the protective clothing using the air cleaning system are designed to increase the Q value of the linear electrode and the resonator of the first housing.
- the Q value of resonance is determined by the ratio of the resistance of the linear electrode to the resistance of the feeder line (input power loss).
- the air purification system of the second embodiment may be composed of a plasma reactor and a first filter unit.
- first to third embodiments may be arbitrarily combined as long as the embodiments obtained by subjecting various modifications to the first to third embodiments to be conceived by those skilled in the art and the gist of the present invention are not deviated. Also included in the present disclosure are the forms realized in.
- the air purifying system of the present disclosure and protective clothing using the air purifying system can be used for equipment such as an air purifier, or can be used when operating in an area where bacteria and viruses are widespread.
Abstract
Description
<構成:空気清浄システム1>
本実施の形態における空気清浄システム1の構成について説明する。
電界プローブ40が計測した信号の出力値が最大となる、給電点Fに供給する交流電力の周波数と、交流電力を供給する給電点Fの位置との関係について説明する。電圧変換器35がアクチュエータ36に供給する電圧をVin1とし、電圧Vin1に依存する変数をν1とし、給電点Fに供給する電力の周波数に対応する、周波数可変発振器+変調器31の周波数可変発振器の制御電圧をVin2とし、電圧Vin2に依存する変数をν2とし、検波器42が制御部70に出力する検波結果を示す、電極端の電界に対応する、検波器の出力信号の電圧をV0とすると、以下の式(1)~(3)で示される。
本実施の形態における空気清浄システム1の動作について説明する。
なお、実施の形態1の変形例として、空気清浄システム1は、上述のフィルタ60を第1フィルタ60とした場合、第1フィルタ60とは別の第2フィルタ61を備えていてもよい。
本実施の形態における空気清浄システム1の作用効果について説明する。
本実施の形態に係る空気清浄システム2aについて説明する。
本実施の形態における空気清浄システム1の作用効果について説明する。
図8は、実施の形態2の変形例1に係る空気清浄システム2bであり、第2フィルタ部101、ヒータ部102、第2検出器105b、第1フィルタ部60a、第1検出器105a及び配管17aを有する空気清浄システム2bを示すブロック図である。図8では、外気としての空気の流れを実線の矢印で示し、計測結果等の信号の流れを破線の矢印で示す。
図9は、実施の形態2の変形例2に係る空気清浄システム2cであり、第2フィルタ部101、ヒータ部102、第2検出器105b、配管17a、第1フィルタ部60a及び第1検出器105aを有し、配管17aに第2検出器105bが設けられる空気清浄システム2cを示すブロック図である。
図10は、実施の形態2の変形例3に係る空気清浄システム2eであり、第2フィルタ部101、ヒータ部102及び第1検出器105aを有し、制御部70等を有する本体部1aを用いた空気清浄システム2eを示すブロック図である。
図11は、実施の形態2の変形例4に係る空気清浄システム2fであり、第2フィルタ部101、ヒータ部102及び第1検出器105aを有する空気清浄システム2fを示すブロック図である。
図12は、実施の形態2の変形例5に係る空気清浄システム2gであり、第2フィルタ部101及び第1検出器105aを有する空気清浄システム2gを示すブロック図である。
図13は、実施の形態2の変形例6に係る空気清浄システム2hであり、第1検出器105aを有する空気清浄システム2hを示すブロック図である。
本実施の形態に係る防護服200について説明する。
本実施の形態における防護服200の作用効果について説明する。
以上、本開示について、実施の形態1~3に基づいて説明したが、本開示は、上記実施の形態1~3に限定されるものではない。
3a、3b プラズマリアクター
10 第1筐体(第2電極)
10a 空間
12a 吸入口
20 線状電極(第1電極)
30 給電部
36 アクチュエータ
40 電界プローブ
52 排出口
60 フィルタ
70 制御部
105a 第1検知器
200 防護服
201 被覆体
P プラズマ発生領域
Claims (13)
- 電圧を用いてプラズマを発生させる空気清浄システムであって、
電力が供給されることによって電磁的な共振を発生させる第1電極と、
前記第1電極と離間した状態で、前記第1電極を囲むように配置される第2電極と、
前記第1電極に電力を供給する給電部と、
前記第1電極と前記第2電極との間の電界の強さを計測する電界プローブと、
前記第1電極に供給する電力を制御する制御部とを備え、
前記制御部は、前記第1電極に供給する電力の周波数と、前記第1電極に対して電力を供給する位置とを操作し、前記電界プローブが計測した電界の強さを示す信号の出力値が最大となるように制御する
空気清浄システム。 - 前記制御部は、前記第1電極と前記第2電極との間を通過した空気に含まれるオゾンの含有量を計測した計測結果を検知器から取得し、取得した前記計測結果に基づいて、供給する電力を操作し、プラズマの発生によって常に生成されるオゾンの量が一定、かつ、窒素酸化物が実質的に発生しない酸素分子と窒素分子との解離エネルギーの中間値となるように制御する
請求項1に記載の空気清浄システム。 - 前記第1電極に供給する電力は、交流電力であり、
前記制御部は、供給する交流電力の振幅を操作し、常に生成されるオゾンの量が一定となるように制御する
請求項2に記載の空気清浄システム。 - 前記第1電極に供給する交流電力の波形は、搬送波が振幅変調された波形であり、
前記制御部は、振幅変調を操作し、生成されるオゾンの量が一定となるように制御する
請求項3に記載の空気清浄システム。 - 前記第1電極に供給する交流電力の波形は、搬送波が振幅変調された波形であり、
前記制御部は、振幅変調が間欠的に一定の値とゼロとを繰り返すように操作し、生成されるオゾンの量が一定となるように制御する
請求項4に記載の空気清浄システム。 - 前記制御部は、供給する電力を操作し、生成されるオゾンの濃度を0.1ppm以下にとなるように制御する
請求項1~5のいずれか1項に記載の空気清浄システム。 - 前記給電部が前記第1電極に対して電力を供給する給電点の位置を変位させるアクチュエータを備え、
前記制御部は、前記アクチュエータを操作することで、前記給電点の位置を調節する
請求項1~6のいずれか1項に記載の空気清浄システム。 - 前記制御部は、前記周波数と前記第1電極上の給電点の位置との2つのパラメータを操作することによって、前記電界プローブの出力電圧が極大となるように制御する
請求項7に記載の空気清浄システム。 - 前記第2電極は、空気を吸入する吸入口が形成される筐体であり、
前記吸入口から吸入した空気を排出する排出口の近傍に配置され、前記吸入口から吸入した空気が通過する際に、前記第1電極及び前記第2電極を有するプラズマリアクターによって生成される窒素酸化物及びオゾンを除去するフィルタを備える
請求項1~8のいずれか1項に記載の空気清浄システム。 - 前記第1電極は、長尺の電極であり、
前記第2電極は、前記第1電極の長さ方向に沿って、前記第1電極を収容する長尺の空間を形成し、
前記第1電極と前記第2電極の吸入口との間には、前記空間のうちプラズマを発生させるためのプラズマ発生領域が形成される
請求項1~9のいずれか1項に記載の空気清浄システム。 - 前記制御部は、前記吸入口から吸入した空気に含まれる酸素分子の解離エネルギーが与えられるように、前記プラズマリアクターへの投入電力を操作する
請求項9又は10に記載の空気清浄システム。 - 100MHz~10GHzの搬送波を、オゾン生成量が一定となるように、振幅変調した波形の電力を用いてプラズマを発生させる
請求項1~11のいずれか1項に記載の空気清浄システム。 - 請求項1~12のいずれか1項に記載の空気清浄システムと、
前記空気清浄システムを搭載し、人の体表面を覆う被覆体とを備え、
前記空気清浄システムは、外部から吸入した空気を清浄化させ、清浄化された空気を前記被覆体内に供給する
防護服。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21813055.7A EP4159246A1 (en) | 2020-05-26 | 2021-05-24 | Air purification system and protective clothing |
US17/924,548 US20230285625A1 (en) | 2020-05-26 | 2021-05-24 | Air purification system and protective clothing |
IL298094A IL298094A (en) | 2020-05-26 | 2021-05-24 | Air purification system and protective clothing |
JP2022527022A JPWO2021241488A1 (ja) | 2020-05-26 | 2021-05-24 | |
CA3185813A CA3185813A1 (en) | 2020-05-26 | 2021-05-24 | Air purification system and protective clothing |
CN202180032181.4A CN115484993A (zh) | 2020-05-26 | 2021-05-24 | 空气清洁系统以及防护服 |
BR112022022195A BR112022022195A2 (pt) | 2020-05-26 | 2021-05-24 | Sistema de purificação do ar e roupa de proteção |
KR1020227036176A KR20230015885A (ko) | 2020-05-26 | 2021-05-24 | 공기 청정 시스템 및 방호복 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020-091606 | 2020-05-26 | ||
JP2020091606 | 2020-05-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2021241488A1 true WO2021241488A1 (ja) | 2021-12-02 |
Family
ID=78744392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2021/019586 WO2021241488A1 (ja) | 2020-05-26 | 2021-05-24 | 空気清浄システム及び防護服 |
Country Status (10)
Country | Link |
---|---|
US (1) | US20230285625A1 (ja) |
EP (1) | EP4159246A1 (ja) |
JP (1) | JPWO2021241488A1 (ja) |
KR (1) | KR20230015885A (ja) |
CN (1) | CN115484993A (ja) |
BR (1) | BR112022022195A2 (ja) |
CA (1) | CA3185813A1 (ja) |
IL (1) | IL298094A (ja) |
TW (1) | TW202202177A (ja) |
WO (1) | WO2021241488A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002095731A (ja) * | 2000-05-18 | 2002-04-02 | Sharp Corp | 殺菌方法、イオン発生装置及び空気調節装置 |
JP2006255064A (ja) * | 2005-03-16 | 2006-09-28 | Gunma Prefecture | 臭気分解装置およびそれを用いた臭気分解方法 |
JP2010025049A (ja) * | 2008-07-23 | 2010-02-04 | Mitsui Eng & Shipbuild Co Ltd | 高電圧プラズマ発生装置 |
JP2012021760A (ja) * | 2010-06-14 | 2012-02-02 | Mamoru Nakamura | 空気浄化装置 |
-
2021
- 2021-05-24 CA CA3185813A patent/CA3185813A1/en active Pending
- 2021-05-24 JP JP2022527022A patent/JPWO2021241488A1/ja active Pending
- 2021-05-24 US US17/924,548 patent/US20230285625A1/en active Pending
- 2021-05-24 WO PCT/JP2021/019586 patent/WO2021241488A1/ja active Search and Examination
- 2021-05-24 KR KR1020227036176A patent/KR20230015885A/ko active Search and Examination
- 2021-05-24 EP EP21813055.7A patent/EP4159246A1/en active Pending
- 2021-05-24 IL IL298094A patent/IL298094A/en unknown
- 2021-05-24 BR BR112022022195A patent/BR112022022195A2/pt unknown
- 2021-05-24 CN CN202180032181.4A patent/CN115484993A/zh active Pending
- 2021-05-24 TW TW110118680A patent/TW202202177A/zh unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002095731A (ja) * | 2000-05-18 | 2002-04-02 | Sharp Corp | 殺菌方法、イオン発生装置及び空気調節装置 |
JP2006255064A (ja) * | 2005-03-16 | 2006-09-28 | Gunma Prefecture | 臭気分解装置およびそれを用いた臭気分解方法 |
JP2010025049A (ja) * | 2008-07-23 | 2010-02-04 | Mitsui Eng & Shipbuild Co Ltd | 高電圧プラズマ発生装置 |
JP2012021760A (ja) * | 2010-06-14 | 2012-02-02 | Mamoru Nakamura | 空気浄化装置 |
Non-Patent Citations (1)
Title |
---|
"Complete NOx Removal Technology Using Nonequilibrium Plasma and Chemical Process (Performances of Ordinary and Barrier Type Plasma Reactors", TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS, vol. 66, no. 646B, 2000, pages 1501 - 1506 |
Also Published As
Publication number | Publication date |
---|---|
TW202202177A (zh) | 2022-01-16 |
JPWO2021241488A1 (ja) | 2021-12-02 |
EP4159246A1 (en) | 2023-04-05 |
CN115484993A (zh) | 2022-12-16 |
US20230285625A1 (en) | 2023-09-14 |
BR112022022195A2 (pt) | 2022-12-13 |
IL298094A (en) | 2023-01-01 |
KR20230015885A (ko) | 2023-01-31 |
CA3185813A1 (en) | 2021-12-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101198718B1 (ko) | 공기 정화 장치 및 그 방법 | |
JP5598770B2 (ja) | 改良型の空気除染装置 | |
JP2009202137A (ja) | 空気処理装置 | |
JP2003308947A (ja) | マイナスイオン発生装置およびこれを備えた環境殺菌装置又は空気清浄装置 | |
WO2021241488A1 (ja) | 空気清浄システム及び防護服 | |
US20230292427A1 (en) | Methods and apparatus for generating atmospheric pressure, low temperature plasma | |
JP2002346334A (ja) | プラズマ式ガス浄化装置 | |
KR101174137B1 (ko) | 플라즈마를 이용한 대기오염물질 처리장치 | |
JP2002239344A (ja) | ガス処理装置と方法 | |
JP2003343887A (ja) | 携帯用空気浄化装置 | |
US20220314235A1 (en) | Method and Device for Ozone-free Separation of Components in the Corona Discharge Zone | |
CN113840439A (zh) | 一种智能控制的等离子体空气快速灭菌装置 | |
JPH0751215B2 (ja) | 一酸化炭素又は二酸化炭素分解除去方法及び除去装置 | |
JP2006055512A (ja) | 空気清浄器 | |
JP5369448B2 (ja) | 放電電極およびそれを用いた空気浄化装置 | |
JP2002336343A (ja) | プラズマ触媒反応器及び空気浄化装置 | |
CN109331643A (zh) | 等离子体催化氧化苯系物污染物的装置及方法 | |
JP3731133B2 (ja) | 表面処理方法 | |
ES2342393T3 (es) | Procedimiento de descontaminacion que utiliza nitrogeno atomico. | |
Sakai et al. | A compact nitric oxide supply for medical application | |
JP2004330129A (ja) | 窒素酸化物含有気体の処理方法及び処理装置 | |
JP2002361037A (ja) | N2oガスの分解方法および分解装置 | |
WO2023019081A1 (en) | Methods and apparatus for decomposing constituent elements of fluids | |
JP2005087393A (ja) | 空気清浄機および空気清浄方法 | |
JP2004290789A (ja) | ガス処理装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21813055 Country of ref document: EP Kind code of ref document: A1 |
|
DPE1 | Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101) | ||
ENP | Entry into the national phase |
Ref document number: 2022527022 Country of ref document: JP Kind code of ref document: A |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112022022195 Country of ref document: BR |
|
ENP | Entry into the national phase |
Ref document number: 3185813 Country of ref document: CA |
|
ENP | Entry into the national phase |
Ref document number: 112022022195 Country of ref document: BR Kind code of ref document: A2 Effective date: 20221031 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2021813055 Country of ref document: EP Effective date: 20230102 |