WO2004019462A1 - Generateur d'ions - Google Patents

Generateur d'ions Download PDF

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Publication number
WO2004019462A1
WO2004019462A1 PCT/JP2002/008541 JP0208541W WO2004019462A1 WO 2004019462 A1 WO2004019462 A1 WO 2004019462A1 JP 0208541 W JP0208541 W JP 0208541W WO 2004019462 A1 WO2004019462 A1 WO 2004019462A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrode
insulator
ion generator
negative
electric field
Prior art date
Application number
PCT/JP2002/008541
Other languages
English (en)
Japanese (ja)
Inventor
Hisatoshi Suminoe
Original Assignee
Daito Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daito Co., Ltd. filed Critical Daito Co., Ltd.
Priority to AU2002328534A priority Critical patent/AU2002328534A1/en
Priority to JP2004530508A priority patent/JP3987855B2/ja
Priority to CN02829494.7A priority patent/CN1650492A/zh
Priority to PCT/JP2002/008541 priority patent/WO2004019462A1/fr
Publication of WO2004019462A1 publication Critical patent/WO2004019462A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G3/00—Sweetmeats; Confectionery; Marzipan; Coated or filled products
    • A23G3/34—Sweetmeats, confectionery or marzipan; Processes for the preparation thereof
    • A23G3/50—Sweetmeats, confectionery or marzipan; Processes for the preparation thereof characterised by shape, structure or physical form, e.g. products with supported structure
    • A23G3/56—Products with edible or inedible supports, e.g. lollipops
    • A23G3/566—Products with edible or inedible supports, e.g. lollipops products with an edible support, e.g. a cornet
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G3/00—Sweetmeats; Confectionery; Marzipan; Coated or filled products
    • A23G3/34—Sweetmeats, confectionery or marzipan; Processes for the preparation thereof
    • A23G3/50—Sweetmeats, confectionery or marzipan; Processes for the preparation thereof characterised by shape, structure or physical form, e.g. products with supported structure
    • A23G3/54—Composite products, e.g. layered, coated, filled
    • A23G3/545—Composite products, e.g. layered, coated, filled hollow products, e.g. with inedible or edible filling, fixed or movable within the cavity
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J49/00—Particle spectrometers or separator tubes
    • H01J49/02—Details
    • H01J49/04—Arrangements for introducing or extracting samples to be analysed, e.g. vacuum locks; Arrangements for external adjustment of electron- or ion-optical components
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T23/00—Apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere

Definitions

  • the present invention relates to an ion generator that generates negative ions or positive ions.
  • This negative ion generator generates negative ions in air by applying a voltage between two electrodes.
  • Figure 32 shows the main parts of a conventional negative ion generator.
  • a conventional negative ion generator includes a discharge needle 60 and a counter electrode 70.
  • the counter electrode 70 has a ring shape, and is disposed in front of the tip 6OA of the discharge needle 60. Discharge is not covered with insulation, and the tip 6 O A is sharp.
  • a negative voltage of about several kV is applied to the discharge needle 60 via the wiring 61.
  • O V or a positive voltage is applied to the counter electrode 70 via the wiring 71.
  • a slight current flows in the space 80 between the discharge needle 60 and the counter electrode 70, and local destruction occurs.
  • the corona discharge continues in the space 80 between the discharge needle 60 and the counter electrode 70.
  • the discharge needle 60 emits electrons from the tip 6 OA or air near the tip 6 OA.
  • the counter electrode 70 to which OV or a positive voltage is applied is present, so that electrons are emitted from the tip 6 OA of the discharge needle 60 or air near the tip 6 OA. Most of the electrons are attracted to the counter electrode 70 and disappear. Then, only the electrons that passed through the counter electrode 70 were attached to oxygen molecules or nitrogen molecules to become negative ions, and were emitted as ion wind from the negative ion generator.
  • the air discharge type negative ion generator includes a glass 90, discharge needles 10OA, 10OB, and a counter electrode 110.
  • Discharge needles 100A, 100B and counter electrode 110 are provided on one main surface 91 of glass 90. Discharge needles 100A and 100B, like discharge needles 60, are not covered with an insulator and their tips are sharp. Then, for the discharge 0, a negative voltage of several kV is applied via the wiring 101.
  • the counter electrode 110 has a plate shape that extends long in the back direction of the drawing, and is applied with 0 V or a positive voltage via the wiring 111.
  • the negative ion generator using the air discharge method can generate more negative ions than the negative ion generator where the counter electrode is in front of the discharge needle, but also generates ozone or nitrogen oxides.
  • the opposite electrode discharges at the point of It is common to the negative ion generator located in front of the needle.
  • Japanese Patent Application Laid-Open No. 11-192001 discloses an ion generator 200 shown in FIG.
  • the ion generator 200 includes a needle electrode 201 and a plate electrode 202.
  • the plate electrode 202 has an opening 204 in the center and is formed in a square frame shape.
  • the needle electrode 201 is provided so that its axis is substantially parallel to the plate surface of the plate electrode 202 and can cross the discharge frame side 202 d of the plate electrode 202.
  • the needle electrode 201 is fixed to an intermediate portion of the ador holder 203 mounted on two parallel frame sides 202c and 202e of the plate electrode 202. .
  • the needle-shaped electrode 201 has its tip portion 201a directed toward the frame side 202d of the plate electrode 202, and maintains the height with the plate electrode 202 at d. .
  • the idle holder 203 has a sleep 205 on both sides thereof, and an adjustment screw 206 is inserted into the sleep 205.
  • Screw holes 202 a are formed at substantially equal intervals in the two frame sides 202 c and 202 e of the flat plate electrode 202, and sleep holes 200 are formed in the screw holes 202 a.
  • the adjustment screw 206 By inserting the adjustment screw 206 in 5, the needle holder 203 and the needle electrode 201 are fixed at predetermined positions.
  • the electrons emitted from the needle electrode 201 collide with air molecules and generate a large amount of negative ions.
  • an object of the present invention is to provide an ion generator that generates ions without causing discharge between two electrodes.
  • an ion generator includes a negative electrode and a voltage application circuit.
  • the voltage application circuit has a positive electrode and a negative electrode, and generates a negative voltage from the negative electrode to the negative electrode to generate an electric field between the negative electrode and the positive electrode that is weaker than the dielectric breakdown electric field of the medium existing around the negative electrode. Is applied.
  • the ion generator includes the negative electrode and the counter electrode.
  • a predetermined negative voltage is applied to the negative electrode.
  • the counter electrode is arranged at a predetermined distance from the negative electrode, and is covered with an insulator.
  • the predetermined negative voltage is a voltage for generating an electric field between the negative electrode and the counter electrode that is weaker than the dielectric breakdown electric field of the medium existing between the negative electrode and the counter electrode.
  • the ion generator includes a negative electrode and a counter electrode. The body of the negative electrode except the tip is covered with an insulator. The counter electrode is provided to generate a predetermined electric field between the counter electrode and the negative electrode.
  • the predetermined electric field is also an electric field in which the dielectric breakdown field of the medium existing between the negative electrode and the counter electrode is weak.
  • the ion generator includes a negative electrode, a counter electrode, an insulator, and a voltage application circuit.
  • the insulator is provided between the negative electrode and the counter electrode.
  • the voltage applying circuit applies a negative voltage to the negative electrode for generating an electric field between the negative electrode and the counter electrode that is weaker than the dielectric breakdown electric field of the medium existing between the negative electrode and the counter electrode.
  • the ion generator includes a negative electrode, a counter electrode, and an insulator.
  • the counter electrode is arranged to generate a predetermined electric field between the counter electrode and the negative electrode.
  • the insulator is provided between the negative electrode and the counter electrode.
  • the predetermined electric field is also an electric field in which the dielectric breakdown field of the medium existing between the negative electrode and the counter electrode is weak.
  • the ion generator includes a case, an insulator, and an electron emitter.
  • the case has an opening.
  • the insulator is formed in contact with the inner wall of the case and the end face of the opening, and is grounded.
  • the electron emitter is disposed in the case and emits electrons from the opening to the outside of the case.
  • the electron emitter has a negative electrode that emits electrons, a positive electrode, and a negative electrode, and generates an electric field between the negative electrode and the positive electrode that is weaker than a dielectric breakdown electric field of a medium existing around the negative electrode. And a voltage application circuit for applying a negative voltage from the negative electrode to the negative electrode.
  • the ion generator includes a case, a first insulator, and an electron emitter.
  • the case has an opening.
  • the first insulator is formed in contact with the inner wall of the case and the end face of the opening, and is grounded.
  • the electron emitter is disposed in the case and emits electrons from the opening to the outside of the case.
  • the electron emitter includes a negative electrode to which a predetermined negative voltage is applied and emits electrons, and a counter electrode disposed at a predetermined distance from the negative electrode and covered with a second insulator.
  • the predetermined negative voltage is a voltage for generating an electric field between the negative electrode and the counter electrode that is weaker than the dielectric breakdown electric field of the medium existing between the negative electrode and the counter electrode.
  • the ion generator includes a case, a first insulator, and an electron emitter.
  • the case has an opening.
  • the first insulating part is formed in contact with the inner wall of the case and the end face of the opening, and is grounded.
  • the electron emitter is disposed in the case and emits electrons from the opening to the outside of the case.
  • the electron emitter includes a negative electrode having a body portion other than a tip portion covered with a second insulator, and a counter electrode for generating a predetermined electric field between the negative electrode and the predetermined electric field. Is an electric field weaker than the dielectric breakdown electric field of the medium existing between the negative electrode and the counter electrode.
  • the ion generator includes a case, a first insulator, and an electron emitter.
  • the case has an opening.
  • the first insulator is formed in contact with the inner wall of the case and the end face of the opening, and is grounded.
  • the electron emitter is disposed in the case and emits electrons from the opening to the outside of the case.
  • the electron emitter includes a negative electrode that emits electrons, a counter electrode, a second insulator provided between the negative electrode and the counter electrode, and a medium that exists between the negative electrode and the counter electrode.
  • a negative voltage is applied to the negative electrode to generate an electric field weaker than the dielectric breakdown electric field between the negative electrode and the counter electrode.
  • the ion generator includes a case, a first insulator, and an electron emitter.
  • the case has an opening.
  • the first insulator is formed in contact with the inner wall of the case and the end face of the opening, and is grounded.
  • the electron emitter is disposed in the case and emits electrons from the opening to the outside of the case.
  • the electron emitter includes a negative electrode that emits electrons, a counter electrode for generating a predetermined electric field between the negative electrode, and a second insulating layer provided between the negative electrode and the counter electrode.
  • the predetermined electric field is an electric field weaker than a dielectric breakdown electric field of a medium existing between the negative electrode and the counter electrode.
  • the ion generator includes the first electrode and the second electrode.
  • a predetermined voltage is applied to the first electrode.
  • the second electrode is arranged at a predetermined distance from the first electrode, and is covered with an insulator.
  • the predetermined voltage is used to generate an electric field between the first electrode and the second electrode, the electric field being weaker than a dielectric breakdown electric field of a medium existing between the first electrode and the second electrode. Voltage.
  • the ion generating apparatus includes the first electrode, the second electrode, an insulator, and a voltage application circuit.
  • the insulator is provided between the first electrode and the second electrode.
  • the voltage applying circuit generates a voltage for generating an electric field between the first electrode and the second electrode that is weaker than the dielectric breakdown electric field of the medium existing between the first electrode and the second electrode. Applied to the first electrode.
  • the ion generator includes the first electrode, the second electrode, and the insulator.
  • the second electrode is an electrode for generating a predetermined electric field between the second electrode and the first electrode.
  • the insulator is provided between the first electrode and the second electrode. Then, the predetermined electric field is an electric field weaker than a dielectric breakdown electric field of a medium existing between the first electrode and the second electrode.
  • the counter electrode is made of a covered electric wire.
  • the insulator covers the counter electrode.
  • the insulator is made of any one of glass, ceramics, resin, and semiconductor.
  • the insulator covers a portion of the negative electrode excluding the tip.
  • the insulator comprises first and second insulators, the first insulator covers the counter electrode, and the second insulator covers a portion of the negative electrode excluding the tip.
  • the first and second insulators are made of any one of glass, ceramics, resin, and semiconductor.
  • the second insulator covers the counter electrode.
  • the second insulator covers a portion other than the tip of the negative electrode.
  • the second insulator is composed of first and second electrode insulators, the first electrode insulator covers the counter electrode, and the second electrode insulator is a tip of the negative electrode. Cover the part except the part.
  • the first insulator, the first electrode insulator, and the second electrode insulator are made of any one of glass, ceramics, resin, and semiconductor.
  • the tip of the negative electrode is sharp.
  • an electric field is generated between the negative electrode (or the first electrode) and the counter electrode (or the second electrode), which is weaker than the electric field at which discharge occurs, and the electrons are transferred to the negative electrode.
  • the electrons emitted from the negative electrode collide with molecules existing between the negative electrode and the counter electrode, generating positive ions and electrons.
  • the generated positive ions are attracted to the negative electrode and disappear at the negative electrode.
  • the generated electrons attach to other molecules and generate negative ions.
  • the electrons may be emitted from air molecules near the negative electrode (or the first electrode).
  • negative ions or positive ions can be preferentially generated.
  • the medium existing between the negative electrode (or the first electrode) and the counter electrode (or the second electrode) is air, generation of ozone can be further suppressed.
  • FIG. 1 is a perspective view of a negative ion generator according to Embodiment 1.
  • FIG. 2 is a sectional structural view of the negative ion generator shown in FIG. You.
  • FIG. 3 is a plan view of the negative ion generator shown in FIG.
  • FIG. 4 is a diagram for explaining a negative ion generation mechanism.
  • FIG. 5 is an electric circuit diagram of the negative ion generator shown in FIG.
  • Figure 6 is a plan view of the room.
  • FIG. 7 is a diagram showing the distribution of the amount of negative ions generated by the negative ion generator according to Embodiment 1 in the room shown in FIG.
  • FIG. 8 is a diagram showing a distribution in the room shown in FIG. 6 of the amount of negative ions generated by the negative ion generator using the air discharge method.
  • FIG. 9 is a perspective view of a negative ion generator according to Embodiment 2.
  • FIG. 10 is a sectional structural view of the negative ion generator shown in FIG.
  • FIG. 11 is a plan view showing an arrangement position of a counter electrode in the negative ion generator shown in FIG.
  • FIGS. 12 to 15 are diagrams showing modified examples of the counter electrode.
  • FIG. 16 is a perspective view of a negative ion generator according to Embodiment 3.
  • FIG. 17 is a perspective view of a negative ion generator according to Embodiment 4.
  • FIG. 18 is a cross-sectional structural view of the negative ion generator shown in FIG. 17 as viewed in the direction A.
  • FIG. 19 is a plan view of the negative ion generator shown in FIG. 17 as viewed in the direction B.
  • FIG. 20 is a perspective view of a negative ion generator according to Embodiment 5.
  • FIG. 21 is a cross-sectional view of the negative ion generator according to Embodiment 6.
  • FIG. 22 is another sectional view of the negative ion generator according to the sixth embodiment.
  • FIG. 23 is a perspective view showing a modification of the needle electrode.
  • FIGS. 24 to 31 are diagrams showing modified examples of the electron emitter.
  • FIG. 32 is a diagram showing a main part of a conventional negative ion generator using a discharge method.
  • FIG. 33 is a diagram showing another main part of a conventional negative ion generator using a discharge method.
  • FIG. 34 is a diagram showing yet another main part of a conventional negative ion generator using a discharge method.
  • a negative ion generator 10 according to Embodiment 1 has a case
  • the insulator 4, the support member 5, and the power supply circuit 6 are fixed to the bottom 1A of the case 1.
  • Case 1 has opening 11.
  • the needle electrode 2 is made of tungsten having a diameter of 0.5 mm to 1.0 mm.
  • the needle electrode 2 has a sharp tip 2A, and is fixed to the support member 5 so that the tip 2A faces the opening 11 of the case 1.
  • the needle electrode 2 is not covered with an insulator.
  • the needle electrode 2 is not limited to tungsten, but may be any electrical conductor having a high density and a high heat-resistant temperature.
  • the counter electrode 3 is covered with the insulator 4 and is arranged with a predetermined distance from the needle electrode 2.
  • the insulator 4 covers the counter electrode 3.
  • the insulator 4 is made of any one of glass, ceramics, resin and semiconductor. Therefore, the insulator 4 electrically insulates the counter electrode 3.
  • the semiconductor constituting the insulator 4 has a higher specific resistance 1 0 6 ⁇ cm. That is, the semiconductor constituting the insulator 4 is not doped with either the p-type or the n-type.
  • the support member 5 is made of an insulating material. Therefore, the support member 5 electrically floats the needle electrode 2 from the case 1.
  • the power supply circuit 6 generates a negative voltage in the range of ⁇ 5 kV to 19 kV and a ground voltage (0 V). Then, the power supply circuit 6 applies the generated negative voltage to the needle electrode 2 via the wiring 7, and applies the generated ground voltage (0 V) to the counter electrode 3 via the wiring 8.
  • the wiring 7 has one end connected to the needle electrode 2 and the other end connected to the power supply circuit 6.
  • the wiring 8 has one end connected to the counter electrode 3 and the other end connected to the power supply circuit 6. Therefore, the needle electrode 2 receives a negative voltage in the range of 15 kV to 19 kV from the power supply circuit 6 via the wiring 7, and the counter electrode 3 receives the ground voltage (0 V)
  • FIG. 2 a cross-sectional structure of the negative ion generator 10 shown in FIG. 1 as viewed in the direction A will be described.
  • the insulator 4, the support member 5, and the power supply circuit 6 are in contact with the bottom 1A of the case 1.
  • the counter electrode 3 and the insulator 4 are arranged on the other side of the needle electrode 2.
  • the power supply circuit 6 is arranged on the other side of the needle electrode 2 and the support member 5.
  • the distance L1 between the tip 2A of the needle electrode 2 and the opening 11 of the case 1 is in the range of 0 cm to 3 cm, and preferably about lcm.
  • the distance L2 of the opening 11 in a direction perpendicular to the bottom surface 1A of the case 1 is in the range of 0.5 cm to lcm, preferably in the range of 0.5 cm to 0.7 cm. is there.
  • the needle-shaped electrode 2 is fixed by the support member 5 such that the tip 2A is located at a distance L1 from the opening 11 of the case 1.
  • the counter electrode 3 and the insulator 4 are arranged at a distance L 4 from the needle electrode 2.
  • the distance L4 depends on the material of the insulator 4. When the insulator 4 is made of glass, the distance L4 is in the range of 0111111 to 15111111, and when the insulator 4 is made of Teflon, the distance L4 is 30 mm.
  • the distance L3 of the opening 11 in the direction parallel to the bottom surface 1A of the case 1 is in a range of 0.5 cm to: Lcm, and preferably in a range of 0.5 cm to 0.7 cm. It is.
  • the counter electrode 3 and the insulator 4 may be arranged closer to the opening 11 than the tip 2A of the needle electrode 2, or may be arranged between the support member 5 and the case 1.
  • the negative ion generator 10 opens the negative ion through the opening 1. Release from 1.
  • a negative voltage is applied to the needle electrode 2 and a ground voltage (OV) is applied to the counter electrode 3
  • the needle electrode 2 directs electrons from its tip 2A toward the opening 11 of the case 1.
  • Emitting or the needle-shaped electrode 2 emits electrons from air molecules near the tip 2A. The same applies hereinafter).
  • the emitted electrons collide with oxygen molecules 31 and nitrogen molecules 32 in the air.
  • the oxygen molecule 31 emits an electron 31 B and changes to a positive ion 31 A.
  • the nitrogen molecule 32 emits an electron 32B and changes to a positive ion 32A.
  • the electrons 31B and 32B adhere to other oxygen molecules or nitrogen molecules, and negative ions 33 and 34 are generated.
  • the positive ions 31A and 32A generated by the collision of the electrons are attracted to the needle electrode 2 by the electric field generated between the needle electrode 2 and the counter electrode 3, and disappear at the needle electrode 2.
  • the negative ion generator 10 generates only negative ions 33 and 34.
  • the negative ion generator 10 emits electrons from the needle electrode 2 and ionizes molecules in the air near the needle electrode 2 (region 40) to generate positive ions and electrons.
  • the generated electrons are further diffused in a direction away from the needle electrode 2 by the negative voltage applied to the needle electrode 2, and the positive ions are attracted by the negative voltage applied to the needle electrode 2.
  • the negative ion generator 10 can diffuse only the electrons into the air and generate negative ions around.
  • FIG. 5 shows a circuit diagram of the needle electrode 2, the counter electrode, the wirings 7, 8, and the power supply circuit 6 in the negative ion generator 10.
  • the power supply 6A is a power supply for applying a negative voltage in the range of 15 kV to 19 kV to the needle electrode 2.
  • the distance L 4 between the needle electrode 2 and the counter electrode 3 is, for example, 10 mm, and the negative voltage applied to the needle electrode 2 is 1 kV. Therefore, the electric field between the needle electrode 2 and the counter electrode 3 is in the range of -5 kVZcm to -19 kV / cm.
  • an electric field of 10 kV / cm or more is required to generate a discharge in air at 1 atm.
  • the negative voltage applied to the needle electrode 2 is set between the needle electrode 2 and the counter electrode 3. It is a voltage to generate an electric field that is weaker than the electric field that causes a discharge to occur (that is, the breakdown field of air).
  • the present invention is characterized in that an electric field that is weaker than the electric field in which a discharge occurs between the needle electrode 2 and the counter electrode 3 (that is, the insulating breakdown electric field of air) is generated.
  • the power supply circuit 6 applies a negative voltage in the range of ⁇ 5 kV to ⁇ 19 kV to the needle electrode 2 via the wiring 7 and the ground voltage (0 V) via the wiring 8.
  • Is applied to the counter electrode 3 an electric field weaker than the insulating rupture electric field of air is generated between the needle electrode 2 and the counter electrode 3, and the needle electrode 2 has the tip 2 A or the tip 2.
  • An electron is emitted from the air molecule near A.
  • the emitted electrons collide with oxygen molecules 31 or nitrogen molecules 32 in the air to generate positive ions 31A and 32A and electrons 31B and 32B. Then, the needle electrode 2 attracts the brass ions generated in the vicinity of the tip 2 A, and the electrons 31 B and 32 B emitted from the oxygen molecule 31 or the nitrogen molecule 32 become other oxygen molecules or nitrogen molecules. To form negative ions 33 and 34. Then, the negative ion generator 10 discharges negative ions 33 and 34 from the opening 11.
  • Table 1 shows the first to tenth negative ion generators according to the present invention. This is the result of measuring the amount of generated negative ions. For comparison, the measurement results of a negative ion generator using the air discharge method are shown.
  • the unit is 10,000 pieces / cm 3
  • the measuring instrument which measured the negative ion is as follows. Measuring instrument (Model: Andes Electric ITC-001A) with flat plate type measuring method (referred to as measuring instrument A) and Sigma Tech SC-10 with double cylinder type measuring method The amount of negative ions was measured using a measuring instrument (referred to as measuring instrument B).
  • the measurement order is as follows. First, the negative ion generator using the air discharge method is measured, and then the negative ion amount is sequentially measured for the first to fifth negative ion generators according to the present invention. Then, the amount of negative ions is measured again for the negative ion generator using the air discharge method, and thereafter, the negative ion amounts are sequentially measured for the negative ion generators Nos. 6 to 10 of the present invention. Finally, the amount of negative ions is measured for the negative ion generator using the air discharge method.
  • the negative ion generator according to the present invention generates more than twice as many negative ions as the negative ion generator using the air discharge method, regardless of the measurement using any of the measuring devices A and B. I found out. Also, there is almost no change in the amount of negative ions due to the change in humidity from 50% to 58%.
  • a negative ion generator using an air discharge method generates the most negative ions in a device that generates negative ions using a discharge method, but the negative ion generator according to the present invention generates negative ions using the air discharge method. It turned out to generate more negative ions than the device.
  • Table 2 shows the dependence of the amount of negative ions on the distance from the negative ion generator.
  • the amount of negative ions generated by the negative ion generator using the air discharge method is 59% at the position of a distance of 3 mm with respect to the amount of negative ions generated by the negative ion generator according to the present invention. Is 43% at a distance of 1 m. This means that the negative ion generator according to the present invention can generate negative ions in a wider range.
  • Table 3 shows the results of measuring the amount of negative ions at the positions of 3 mm and 10 cm from the negative ion generator for the first to tenth negative ion generators according to the present invention.
  • the average I straight of the generated negative ions amount by Unit 1 to 1 0 Units 7 6 4 are thousands cm 3, in 1 0 cm distance, Unit 1 to 1 0 Unit The average value of the amount of negative ions generated by the method is 430,000 Zcm 3 .
  • the variation in the amount of negative ions due to the equipment between Units 1 to 10 is small. Therefore, the negative ion generator according to the present invention has sufficient reproducibility as an apparatus.
  • Table 4 shows a comparison of the amount of ozone generated between the minus ion generator according to the present invention and the negative ion generator using the air discharge method.
  • the measurement location is in front of the device.
  • the measurement conditions were as follows: temperature: 25 ° C, humidity: 50%.
  • the measuring device is an ozone moter EG-500 from EBARA BUSINESS CO., LTD.
  • Table 4 At both the center and the left, the amount of ozone generated by the negative ion generator according to the present invention is below the detection limit, and is two orders of magnitude less than that of the negative ion generator using the air discharge method.
  • Table 5 compares the ozone amounts of a plurality of devices of the negative ion generator according to the present invention and the negative ion generator using the air discharge method.
  • the measurement conditions were as follows: temperature: 22 ° C, humidity: 60%.
  • the amount of ozone generated is lower than the detection limit for all devices, and the amount of ozone generated is smaller than in the case of the negative ion generator using the air discharge method.
  • FIG. 6 shows a plan view of a room 30 having a fixed size.
  • the length L7 is 3.46 m and the length L8 is 4.36 m.
  • Points Pl, P2, P3, and P5 are located at the four corners of room 30, point P4 is located at the midpoint between points P3 and P5, and point P6 is , Negative ion generator Located at 10 m from 10 m.
  • Table 6 shows the measurement results at each point P1 to P6 of the amount of negative ions generated by the negative ion generator 10 according to the present invention.
  • Table 6 shows the measurement results at points P1 to P6 of the amount of negative ions generated by the negative ion generator using the air discharge method for comparison.
  • the measurement conditions are as follows: temperature: 30 ° C, humidity: 56%.
  • the amount of negative ion generated by the negative ion generator 1 ° according to the present invention is measured at points PI, P2, P6, P4, P3, regardless of whether it is measured by any of the measuring devices A and B. It decreases in the order of P5, and decreases the most at point P5.
  • the amount of negative ions generated by the negative ion generator using the air discharge method decreases in the order of points PI, P2, P6, P3, P4, P5, and decreases most at point P5. .
  • FIG. 7 shows the distribution of the amount of negative ions at points P1 to P6 generated by the negative ion generator 10 according to the present invention.
  • FIG. 8 shows the distribution at the points P1 to P6 of the amount of negative ions generated by the negative ion generator using the aerial discharge method. The negative ion amount shown in FIGS. 7 and 8 was measured by the measuring device B.
  • FIGS. 7 and 8 show that the negative ion generator 10 according to the present invention can generate more negative ions in the room 30 than the negative ion generator using the air discharge method.
  • Table 7 shows the measurement results of the amount of ON generated at the waterfall.
  • the amount of negative ions shown in Table 7 is measured by measuring instrument A, and the measurement conditions are temperature of 30 ° C and humidity of 60%.
  • the measurement locations are about 15 m horizontally from the basin and about 30 m horizontally from the basin.
  • the position of about 15 m from the basin is detected negative ions 20000-30000 pieces / cm 3 is at the position of about 3 Om from basin, negative ions from 5,000 to 8,000 pieces Zc m 3 was detected.
  • the negative ion generator 10 As shown in Table 6, the negative ion generator 10 according to the present invention generates a negative ion amount of 22000 pieces / cm 3 or more in the entire area of the room 30 having a size of about 15 m 2 . This value is the value measured by measuring instrument A for comparison with the measurement results in Table 7.
  • the negative ion generator 10 can generate a larger amount of negative ions than the amount of negative ions that are evaluated to be good for health.
  • the negative ion generator 10 can generate more negative ions in a wider range and can suppress the generation of ozone as compared with the conventional negative ion generator.
  • the negative ion generator 10 can generate more negative ions than the amount of negative ions generated in nature.
  • the power supply circuit 6 forms a “voltage application circuit”.
  • the needle electrode 2, the counter electrode 3, the insulator 4, the power supply circuit 6, and the wirings 7 and 8 constitute an “electron emitter”.
  • negative ion generator 1 OA Referring to FIG. 9, negative ion generator 1 OA according to Embodiment 2 is obtained by adding insulator 9 to negative ion generator 10 and removing insulator 4, and otherwise generates negative ions. Same as device 10.
  • the insulator 9 covers the body 2C excluding the front end 2A and the rear end 2B of the needle electrode 2.
  • the insulator 9 is made of any one of glass, ceramics, resin, and semiconductor.
  • the body 2 C of the needle electrode 2 covered with the insulator 9 constitutes the negative electrode 20.
  • the negative electrode 20 is fixed to the support member 5 by the body 2 C and the insulator 9 penetrating the support member 5.
  • the rear end 2 B of the needle electrode 2 is connected to the wiring 7.
  • the counter electrode 3 is not covered, and the body 2C of the needle electrode 2 is covered with the insulator 9. That is, by covering a part of the needle electrode 2 with the insulator 9, current is prevented from flowing between the needle electrode 2 and the counter electrode 3.
  • the cross-sectional structure of the negative ion generator 1OA shown in FIG. 9 as viewed in the direction A will be described.
  • the counter electrode 3, the support member 5, and the power supply circuit 6 are installed on the bottom 1A of the case 1.
  • the negative electrode 20 is fixed by the support member 5 when the body 2 C and the insulator 9 penetrate the support member 5.
  • Other details are the same as those described in FIG.
  • planar structure of the negative ion generator 1OA shown in FIG. 9 as viewed in the direction B is the same as the planar structure shown in FIG.
  • the counter electrode 3 is usually arranged to face the center cp of the insulator 9 in the X direction.
  • the counter electrode 3 is not limited to this, and may be arranged on the X direction side with respect to the surface 15 where the tip 2A of the needle electrode 2 contacts. Therefore, the counter electrode 3 may be arranged at any of the points C to F.
  • the counter electrode 3 is arranged on the opposite side to the X direction from the plane 15, the needle electrode 2 not covered with the insulator and the counter electrode 3 face each other, and the needle electrode 2 and the counter electrode Since the discharge easily occurs between the counter electrode 3 and the counter electrode 3, the arrangement position of the counter electrode 3 is limited as described above in order to prevent this. Others are the same as the negative ion generator 10.
  • the power supply circuit 6 applies a negative voltage of 15 kV to 19 kV to the needle electrode 2 of the negative electrode 20 via the wiring 7, and is grounded via the wiring 8.
  • a voltage (0 V) is applied to the opposite electrode 3
  • an electric field weaker than the insulating breakdown electric field of air is generated between the needle electrode 2 and the opposite electrode 3
  • the negative electrode 20 A emits electrons.
  • the negative electrode 20 emits electrons from air molecules near the tip 2A.
  • the emitted electrons collide with oxygen molecules 31 or nitrogen molecules 32 in the air to generate positive ions 31 A and 32 A and electrons 31 B and 32 B.
  • the negative electrode 20 attracts the positive ions 31 A and 32 A generated near the tip 2 A, and the electrons 31 B and 3 emitted from the oxygen molecule 31 or the nitrogen molecule 32 are drawn. 2B attaches to other oxygen or nitrogen molecules to produce negative ions 33,34. Then, the negative ion generator 1 O A emits negative ions 33 and 34 from the opening 11.
  • the needle electrode 2 and the counter electrode are not covered with the insulator 9 but the body 2 C of the needle electrode 2 to which the negative voltage is applied is covered with the insulator 9.
  • An electric field weaker than the dielectric breakdown electric field of air can be generated between them, and many negative ions can be generated.
  • counter electrode 3 may be counter electrode 3A bent in an arc along the circumferential direction of insulator 9 of negative electrode 20.
  • the counter electrode 3 may be a linear counter electrode 3B. Therefore, the counter electrode 3B may be more specifically made of a normal wiring material.
  • counter electrode 3 may be ring-shaped counter electrode 3C having insulator 9 of negative electrode 20 as a central axis.
  • counter electrode 3 may be counter electrode 3D spirally bent in the axial direction of negative electrode 20.
  • the electric field between the needle electrode 2 and the counter electrode 3 is weaker than the insulating breakdown electric field of air. An electric field is generated, which can suppress the generation of ozone and generate many negative ions.
  • the counter electrodes 3A to 3D shown in FIGS. 12 to 15 may be used for the negative ion generator 10 in the first embodiment.
  • the negative electrode 20, the counter electrode 3, the power supply circuit 6 and the wirings 7 and 8 constitute an “electron emitter”.
  • the rest is the same as the first embodiment.
  • negative ion generator 1 OB according to the third embodiment is obtained by adding insulator 9 to negative ion generator 10, and is otherwise the same as negative ion generator 10. is there.
  • Needle electrode 2 and insulator 9 constitute negative electrode 20. Therefore, the specific material of the insulator 9, the method of fixing the negative electrode 20 to the support member 5, and the method of connecting the negative electrode 20 to the wiring 7 are as described in the second embodiment.
  • the needle electrode 2 and the counter electrode 3 are covered with insulators 4 and 9, respectively. Therefore, counter electrode 3 and insulator 4 may be arranged at any position in case 1 as described in the first embodiment.
  • a negative voltage of -5 kV to 19 kV is applied to the needle via the wiring 7.
  • a ground voltage (0 V) is applied to the opposing electrode 3 via the wiring 8
  • an electric field weaker than the insulating rupture electric field of air is applied between the needle electrode 2 and the opposing electrode 3. And many negative ions are generated.
  • the negative electrode 20, the counter electrode 3, the insulator 4, the power supply circuit 6 and the wirings 7 and 8 constitute an “electron emitter”.
  • negative ion generator 1 OC according to the fourth embodiment is obtained by replacing insulator 4 of negative ion generator 10 with insulator 12. Is the same as that of the negative ion generator 10. '
  • the insulator 12 is arranged between the needle electrode 2 and the counter electrode 3. In other words, the insulator 1 2 does not cover the needle electrode 2 or the counter electrode 3, but rather separates the needle electrode 2 and the counter electrode 3 from each other to spatially separate the needle electrode 2 and the counter electrode 3. Be placed.
  • the insulator 12 is made of any of glass, ceramics, and resin.
  • the insulator 12 has a height H that is at least about 3 mm higher than the counter electrode 3, a width W that is at least about 3 mm wider than the width of the counter electrode 3, and a depth D that is about 0.1 mm or more. Having. And the depth D is determined by the insulation capacity of the insulator.
  • An insulator 1 2, 1 0 6 Omega semiconductor having a cm or more resistivity may be constituted by.
  • the depth D of the insulator 12 is on the order of several hundred microns.
  • the negative ion generator 1 OC does not cover both the needle electrode 2 and the counter electrode 3 with an insulator, but places the insulator 12 between the needle electrode 2 and the counter electrode 3 to form a needle. An electric field weaker than the dielectric breakdown electric field of air is generated between the electrode 2 and the counter electrode 3.
  • the support member 5, the power supply circuit 6, and the insulator 12 are arranged on the bottom surface 1A of the case 1.
  • the insulator 12 is arranged on the other side of the needle electrode 2, and the counter electrode 3 is further arranged on the other side of the insulator 12 (in FIG. 18, the counter electrode 3 is Hidden by object 12).
  • the counter electrode 3 is Hidden by object 12.
  • the planar structure of the negative ion generator 1 OC shown in FIG. 17 as viewed in the direction B will be described with reference to FIGS.
  • the insulator 12 is disposed in parallel with the needle electrode 2 at a distance L 5 from the force of the needle electrode 2. Further, the counter electrode 3 is arranged at a position separated from the insulator 12 by a distance L6.
  • Distance L5 is in the range of 0-3 O mm
  • distance L6 is in the range of 0-3 O mm.
  • the insulator 12 is preferably arranged at a position that interrupts a straight line connecting the counter electrode 3 and the tip 2A of the needle electrode 2.
  • a negative voltage of 15 kV to 19 kV is applied to the needle electrode 2 via the wiring 7.
  • a ground voltage (0 V) is applied to the counter electrode 3 via the wiring 8
  • an electric field weaker than the insulating breakdown electric field of air is generated between the needle electrode 2 and the counter electrode 3, Many negative ions are generated.
  • the rest is the same as the first embodiment.
  • negative ion generator 10 D is the same as negative ion generator 10 except that counter electrode 3, insulator 4 and wiring 8 are omitted. It is the same as the ion generator 10.
  • the power supply circuit 6 applies a negative voltage of 15 kV to 19 kV to the needle electrode 2 via the wiring 7 and outputs a ground voltage (0 V) to the terminal 66. Then, an electric field weaker than the dielectric breakdown electric field of air is generated between the needle electrode 2 and the terminal 66 of the power supply circuit 6.
  • the needle-shaped electrode 2 emits electrons from the tip 2A, and the emitted electrons collide with oxygen molecules or nitrogen molecules in the air to generate positive ions and electrons.
  • the needle-shaped electrode 2 further sucks the generated positive ions to extinguish the positive ions generated in the air. Then, the electrons emitted from the oxygen molecule or the nitrogen molecule are attached to another oxygen molecule or the nitrogen molecule, and a negative ion is generated.
  • the needle electrode 2, the power supply circuit 6, and the wiring 7 constitute an “electron emitter”.
  • the negative ion generator according to the fifth embodiment is obtained by removing the counter electrode 3 and the wiring 8 from the negative ion generator 1 OA according to the second embodiment or the negative ion generator 10 B according to the third embodiment.
  • the counter electrode 3, the insulator 4, and the wiring 8 may be deleted, or the counter electrode 3, the insulator 12, and the wiring 8 may be deleted from the negative ion generator 10C according to the fourth embodiment.
  • Other configurations are the same as those of the first, second, third, and fourth embodiments.
  • the negative ion generator according to Embodiment 6 is a negative ion generator in which the inner wall of case 1 of negative ion generator 10 is covered with an insulator.
  • the sectional structure of the negative ion generator 1 OE according to the sixth embodiment will be described with reference to FIG.
  • the inner wall of case 1 is covered with insulator 13.
  • the case 1 has a force 11 having an opening 11.
  • the end faces 11 A and 11 A of the opening 11 are also covered with an insulator 13. That is, the insulator 13 covers the inner wall of the case 1 and the end faces 11 A, 11 A of the opening 11 so that the electrons emitted from the needle electrode 2 are not charged to the case 1.
  • the insulator 13 is grounded.
  • the insulator 13 is made of teflon or insulator. Further, the insulator 13 may be made of any one of ceramics, resin, and semiconductor.
  • the inner wall of the case 1 and the end faces 11 A and 11 A of the opening 11 are covered with the insulator 13 for the following reasons. If the insulator 13 is not provided, a part of the electrons emitted from the needle electrode 2 are charged on the inner wall of the case 1 or the end faces 11 A and 11 A of the opening 11. Then, even if the case 1 is made of an insulating material, electricity is conducted, and a discharge occurs between the case 1 and the needle electrode 2. Therefore, in order to prevent a discharge between the case 1 and the needle electrode 2 due to the charging of the case 1, the inner wall of the case 1 and the end surface 11 A, 11 A of the opening 11 are formed. Are covered by insulator 13.
  • the counter electrode 3, the insulator 4, the support member 5, and the power supply circuit 6 are arranged on the grounded insulator 13.
  • the opening 11 of the negative ion generator 1 OE shown in Fig. 21 has an end face 11 A, 11 1 A is tapered. As a result, the generated electrons and negative ions are easily released from the opening 11 to the outside.
  • the negative ion generator 10 E has an end face 11 A, 11 A of the opening 11 covered with the insulator 13, even if a taper is not formed. Good.
  • the power supply circuit 6 applies a negative voltage in the range of 15 kV to 19 kV to the needle electrode 2 via the wiring 7 and connects the ground voltage (0 V).
  • a negative voltage in the range of 15 kV to 19 kV to the needle electrode 2 via the wiring 7 and connects the ground voltage (0 V).
  • the positive ions are attracted to the needle electrode 2 and disappear, and the electrons adhere to other oxygen molecules or nitrogen molecules in the air to generate negative ions.
  • the negative ion generator 1 O E discharges electrons and negative ions from the opening 11 to the outside.
  • the case 1 since the inner wall and the end faces 11 A and 11 A of the opening 11 are covered with the insulator 13, the case 1 cannot be charged by electrons emitted from the needle electrode 2. No discharge occurs between case 1 and needle electrode 2.
  • the negative ion generator 10E can stably generate negative ions.
  • the needle electrode 2, the counter electrode 3, the insulator 4, the power supply circuit 6, the wirings 7 and 8, and the insulator 13 constitute an “electron emitter”.
  • the insulator 13 may be applied to any of the negative ion generators 1OA, 10B, 10C and 10D. Also in this case, no discharge occurs between the case 1 and the needle electrode 2 as in the case of the negative ion generator 10E.
  • the needle electrode 2 may be the needle electrode 21 shown in FIG.
  • the needle-shaped electrode 21 is composed of a plate-shaped main body 210, pointed ends 211, 212, and an insulator 211. tip Parts 211 and 212 are attached to or formed as part of body 210.
  • the insulator 213 is made of resin, and covers the main body 210 except for the pointed ends 211 and 212.
  • the needle-shaped electrode 21 has the plurality of pointed portions 211 and 212, more electrons can be emitted, and as a result, more negative ions can be generated.
  • electron emitter 140 includes two needle electrodes 2, 2, printed circuit board 130 having wiring 131, support member 5, and wirings 7 and 8.
  • the two needle electrodes 2 and 2 are partially bent at right angles. Then, the two needle electrodes 2 are fixed to the support member 5 by inserting the portion bent at a right angle into the support member 5.
  • the wiring 7 is connected to the needle electrodes 2 in the support member 5.
  • a printed circuit board 130 having a wiring 131 is disposed below the two needle electrodes 2, 2, and the wiring 8 is connected to the wiring 131. In this case, the printed circuit board 130 is disposed so as to be interposed between the wiring 131 and the two needle electrodes 2.
  • the power supply circuit 6 applies a negative voltage in the range of 15 kV to 19 kV to the needle electrode via the wiring 7
  • the insulation between the needle electrodes 2 and 2 and the wiring 131 as the counter electrode 3 is made of an insulating material. Since it is insulated by a certain print substrate 130, no discharge occurs between the needle electrodes 2 and 2 and the wiring 131. As a result, the above-described mechanism can suppress generation of ozone and generate many negative ions.
  • electron emitter 141 includes two needle electrodes 2, 2, printed circuit board 130 having wiring 131, and wirings 7 and 8.
  • the two needle electrodes 2, 2 are partially bent at a right angle. Then, by inserting the portion bent at a right angle into the print substrate 130, the two needle electrodes 2, 2 have the wiring 131. Fixed to the printed circuit board 130. In this case, the two needle electrodes 2 and 2 are fixed to the surface opposite to the surface of the printed circuit board 130 on which the wiring 131 is provided. Then, the wiring 7 is connected to the two needle electrodes 2 and 2, and the wiring 8 is connected to the wiring 131.
  • the electron emitter 141 can suppress generation of ozone and generate many negative ions.
  • the printed circuit board 130 having the wiring 131 is formed of a support member 5 for the needle electrodes 2 and 2 and an insulator 1 2 provided between the needle electrode 2 and the counter electrode 3. Since it functions as an electron emitter, an electron emitter can be formed more easily.
  • electron emitter 142 includes two needle electrodes 2 and 2, printed circuit boards 13 OA and 13 OB, wiring 131, and wirings 7 and 8.
  • the two needle electrodes 2, 2 are partially bent at right angles. Then, by inserting the portion bent at a right angle into the printed circuit board 13 OA, the two needle electrodes 2 are fixed to one surface of the printed circuit board 13 OA.
  • the wiring 7 is connected to the two needle electrodes 2 and 2.
  • the wiring 131 is formed on the surface of one of the printed board 13 OA and the printed board 13 OB, and is sandwiched between the printed board 130A and the printed board 130B. Then, the wiring 131 is connected to the wiring 8.
  • the wiring 131 serving as the counter electrode 3 is insulated from the needle electrodes 2 and 2 by the two printed substrates 13OA and 130B. This suppresses the generation of ozone and generates many negative ions.
  • an electron emitter 143 is the same as the electron emitter 142 shown in FIG. 25 except that the needle-shaped electrodes 2, 2 are replaced with linear tl "-shaped electrodes 2, 2. Is the same as the electron emitter 141.-Referring to Fig. 28, the electron emitter 144 is different from the electron emitter 142 shown in Fig. 26 in that the needle electrodes 2 and 2 are linear needle electrodes. In place of 2, 2, the other is the same as the electron emitter 142.
  • the electron emitter 145 includes two needle electrodes 2 and 2 and wirings 1 3 1 includes a printed circuit board 130 having 1, an insulator 13 2, and wiring 8.
  • the two needle electrodes 2 have a linear shape.
  • the needle electrodes 2 are fixed to the printed circuit board 130 by inserting a part of the needle electrodes 2 into the printed circuit board 130.
  • the wiring 313 is arranged on the same surface as the surface of the print substrate 130 to which the needle electrodes 2, 2 are fixed.
  • the insulators 13 2 are formed on the surface of the printed circuit board 130 so as to cover the wirings 13 1.
  • the wiring 7 is connected to the needle electrodes 2 and 2, and the wiring 8 is connected to the wiring 13 1.
  • the wiring 13 1 as the counter electrode 3 is insulated from the needle electrodes 2 and 2 by the insulator 13 2, so that the electron emitter 1 45 has the above-described mechanism. Following the same mechanism, it suppresses the generation of ozone and generates more negative ions.
  • electron emitter 146 includes needle electrode 2 (2 A), counter electrode 133, and insulator 134.
  • the counter electrode 1 33 is formed of a tube having a diameter larger than the diameter of the needle electrode 2.
  • the inner wall and the end face of the counter electrode 133 are covered with an insulator 134.
  • the tl "-shaped electrode 2 enters into the counter electrode 13 3, and only the tip 2 A exits from the counter electrode 13 3.
  • the needle-shaped electrode 2 is connected to the wiring 7 and _ 5 k A negative voltage of V to 19 kV is applied, and the counter electrode 13 3 is connected to the wiring 8 and a ground voltage (0 V) is applied.
  • the counter electrode 133 is insulated from the cathode electrode 2 by the insulator 134, so that the electron emitter 146 follows the same mechanism as described above, Suppress the generation of ozone and generate more negative ions.
  • electron emitter 147 includes needle electrode 2 and wirings 135 and 136.
  • Wirings 135 and 133 consist of normal wiring covered with an insulator.
  • the wires 135 and 136 are arranged such that one end thereof is in contact with the needle electrode 2. In this case, one end in contact with the needle electrode 2 is covered with an insulator.
  • the needle electrode 2 is connected to the wiring 7 and a negative voltage of 15 kV to 19 kV is applied.
  • Wirings 135 and 136 are connected to wiring 8, and a ground voltage (0 V) is applied.
  • the electron emitter 147 the wirings 135, 1336 as the counter electrode 3 are disconnected. Since it is insulated from the needle electrode 2 by the edge, the electron emitter 147 suppresses the generation of ozone and generates more negative ions according to the same mechanism as the above-described mechanism.
  • the medium existing between the two electrodes has been described as air.
  • the medium existing between the two electrodes is not limited to air, but may be any other medium. There may be.
  • a negative voltage for generating an electric field weaker than the dielectric breakdown electric field of the medium existing between the two electrodes is applied to the needle electrode 2.
  • the present invention is applicable to a negative ion generator that preferentially generates negative ions without causing discharge in a medium existing between two electrodes.
  • the counter electrode 3 is described as being applied with the ground voltage (0 V).
  • the present invention is not limited to the ground voltage (0 V), and the needle electrode 2 and the counter electrode 3 are not limited thereto. May be applied to the counter electrode 3 to generate an electric field weaker than the dielectric breakdown electric field of the medium existing in between.
  • the negative ion generators 10 to 1 OE generate negative ions, but a positive voltage in the range of 5 kV to 9 kV is applied to the needle electrode 2 and the ground voltage is When (0 V) is applied to the counter electrode 3, the negative ion generators 10 to 10E generate only positive ions by the same mechanism as described above.
  • the amount of generated positive ions is equal to the amount of negative ions described above.
  • the above-described negative ion generators 10 to 10E constitute an ion generator that generates only negative ions or only positive ions.
  • an ion generator that generates only negative ions or only positive ions is applied to a static eliminator.
  • the ion generator applied to the static eliminator has a negative voltage of 5 kV to -9 kV and a ground voltage (0 V) each of a needle-shaped voltage. It is applied to the pole 2 and the counter electrode 3 for a certain period to generate negative ions, and a positive voltage of 5 kV to 9 kV and ground voltage (0 V) are applied to the needle electrode 2 and the counter electrode 3 for a certain period, respectively.
  • To generate positive ions As described above, the ion generator that generates the negative ions and the positive ions alternately at a constant cycle is suitable for the static eliminator.
  • the present invention is applicable to an ion generator that generates an ion by generating an electric field weaker than the dielectric breakdown electric field of air between a needle electrode and a counter electrode.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
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  • Polymers & Plastics (AREA)
  • Analytical Chemistry (AREA)
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Abstract

L'invention concerne un générateur (10) d'ions négatifs comprenant une pointe électrode (2) une contre-électrode (3) un isolant (4), un élément de support (5), un circuit (6) d'alimentation, et des câbles (7, 8). La contre-électrode (3) est recouverte par l'isolant (4). La pointe électrode (2) est fixée sur l'élément de support (5). Le premier câble (7) est raccordé à la pointe électrode (2) et le second câble (8) est raccordé à la contre-électrode (3). Le circuit (6) d'alimentation applique une tension négative de 5kV à 9kV à la pointe électrode (2) par l'intermédiaire du premier câble (7) et applique la tension de mise à la terre (0V) à la contre-électrode (3) par l'intermédiaire du second câble (8).
PCT/JP2002/008541 2002-08-23 2002-08-23 Generateur d'ions WO2004019462A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2002328534A AU2002328534A1 (en) 2002-08-23 2002-08-23 Ion generator
JP2004530508A JP3987855B2 (ja) 2002-08-23 2002-08-23 イオン発生装置
CN02829494.7A CN1650492A (zh) 2002-08-23 2002-08-23 离子发生装置
PCT/JP2002/008541 WO2004019462A1 (fr) 2002-08-23 2002-08-23 Generateur d'ions

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PCT/JP2002/008541 WO2004019462A1 (fr) 2002-08-23 2002-08-23 Generateur d'ions

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WO2004019462A1 true WO2004019462A1 (fr) 2004-03-04

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JP2005294178A (ja) * 2004-04-05 2005-10-20 Kazuo Okano コロナ放電型イオナイザ
JP2007000041A (ja) * 2005-06-22 2007-01-11 Univ Nihon 鮮度保持方法、鮮度保持装置、鮮度保持剤
JPWO2006070526A1 (ja) * 2004-12-28 2008-06-12 株式会社村田製作所 イオン発生ユニットおよびイオン発生装置
WO2009069411A1 (fr) * 2007-11-30 2009-06-04 Murata Manufacturing Co., Ltd. Générateur d'ions
JP2013041681A (ja) * 2011-08-11 2013-02-28 Sharp Corp イオン発生装置
WO2013121669A1 (fr) * 2012-02-13 2013-08-22 シャープ株式会社 Elément de génération d'ions et générateur d'ions fourni avec
WO2015141034A1 (fr) * 2014-03-20 2015-09-24 シャープ株式会社 Dispositif de décharge
WO2018055787A1 (fr) * 2016-09-21 2018-03-29 シャープ株式会社 Dispositif de décharge et appareil électrique
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CN105651760B (zh) * 2015-12-31 2018-06-22 中国科学院上海硅酸盐研究所 一种适用于气体中金属元素分析的微等离子体装置
US10705023B2 (en) 2015-12-31 2020-07-07 Shanghai Institute Of Ceramics, Chinese Academy Of Sciences Solution cathode glow discharge plasma-atomic emission spectrum apparatus and method capable of performing direct gas sample introduction and used for detecting heavy metal element
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JP2005294178A (ja) * 2004-04-05 2005-10-20 Kazuo Okano コロナ放電型イオナイザ
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JPWO2006070526A1 (ja) * 2004-12-28 2008-06-12 株式会社村田製作所 イオン発生ユニットおよびイオン発生装置
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JPWO2015141034A1 (ja) * 2014-03-20 2017-04-06 シャープ株式会社 放電装置
US9985420B2 (en) 2014-03-20 2018-05-29 Sharp Kabushiki Kaisha Discharge device
WO2018055787A1 (fr) * 2016-09-21 2018-03-29 シャープ株式会社 Dispositif de décharge et appareil électrique
WO2018055789A1 (fr) * 2016-09-21 2018-03-29 シャープ株式会社 Dispositif de decharge

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CN1650492A (zh) 2005-08-03
JP3987855B2 (ja) 2007-10-10
JPWO2004019462A1 (ja) 2005-12-15
AU2002328534A1 (en) 2004-03-11

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