EP0259220B1 - Negativer Ionengenerator grosser Leistung in einer Gasatmosphäre mit einem elektrischen Feld grosser Intensität - Google Patents

Negativer Ionengenerator grosser Leistung in einer Gasatmosphäre mit einem elektrischen Feld grosser Intensität Download PDF

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Publication number
EP0259220B1
EP0259220B1 EP87401923A EP87401923A EP0259220B1 EP 0259220 B1 EP0259220 B1 EP 0259220B1 EP 87401923 A EP87401923 A EP 87401923A EP 87401923 A EP87401923 A EP 87401923A EP 0259220 B1 EP0259220 B1 EP 0259220B1
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EP
European Patent Office
Prior art keywords
plate
spikes
emitting
negative ions
electric field
Prior art date
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Expired - Lifetime
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EP87401923A
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English (en)
French (fr)
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EP0259220A1 (de
Inventor
Jacques Léon Georges Breton
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Individual
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Individual
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Priority to AT87401923T priority Critical patent/ATE61892T1/de
Publication of EP0259220A1 publication Critical patent/EP0259220A1/de
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    • 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 electronic devices of the "negative aero-ion generator” type, making it possible to obtain, inside an enclosure or a room, an average atmospheric density of negative ions (molecules of oxygen simply ionized) strictly determined, in the absence of any production of ozone or nitrogen oxides.
  • CMOS complementary metal-oxide-semiconductor
  • a conductive tip generally metallic
  • these electrons transform them into negative oxygen ions endowed with particular physico-chemical and physiological properties.
  • An example of a known device (French patent FR-A-2 270 700) comprises a set of tips fixed on a conductive base plate and are brought to a voltage of the order of -4 kV.
  • a second perforated plate, the openings of which are coaxial with the tips, is placed in front of the free end of said tips and is brought to an intermediate negative voltage of the order of -1.5 kV.
  • the space charge present in the vicinity of the point, also plays the antagonistic role, completing the reduction of the ion flow actually available, resulting in an atmospheric density insufficient for the needs in question.
  • the generator according to the invention allows totally avoid these drawbacks and remove these faults.
  • This device thus comprises a set of long emitting points (thus increasing the field at their end), these points being included in a set of conductive and insulating diaphragms constituting the equivalent of an electronic optical system, ensuring the presence of a very intense electric field at the end of the tips and an almost complete diffusion of the emitted electrons and allowing the use of moderate voltages (of the order of 3.5 kV much lower than the ozone production threshold). Also, this device allows the implementation of a number of tips as high as necessary, while the presence of insulating safety screens does not measurably reduce the initial electronic flow. In addition, a built-in fan ensures efficient filtering of the air admitted to the tips and excellent diffusion of the negative ions produced.
  • the device according to the invention therefore makes it possible to ensure the production, the emission and the diffusion of a flow of electrons (and therefore of negative oxygen ions in the atmosphere) as intense as will be recognized necessary, without use voltages higher than 4 kV, and thereby respecting the requirement of complete absence of toxic compounds (Ozone, nitrogen oxides) when the device is intended for hygienic or therapeutic application.
  • FIG. 1 is a diagram (block) of the device in the form of elementary functions provided by each of its parts;
  • FIG. 2 is a block diagram of the elements of the electronic optical configuration, with the distribution of the equipotentials and the electric field;
  • the device which is the subject of the invention comprises:
  • a power source for the emitting tips (Pte), consisting of an isolation transformer (Tr) connected to the AC sector, followed a voltage multiplier (Mult) with diodes and capacitors; a "return to ground” resistance (R1) defines the "zero” potential of the power supply; a protective resistor (R2) at the output of the multiplier limits the accidental short-circuit current between tips connected to (-THT) and ground to a non-dangerous value;
  • a conductive plate (P2) fixed to the plate (P1) and completely covering the surface of said plate (P1), pierced with circular openings, coaxial with the tips (Pte), ensuring optimal distribution of the equipotentials, but excluding all risk of priming between said tips (Pte) and said plate (P2) maintained at the "zero" potential of the mass;
  • an internal insulating plate (P3) which can constitute the "housing" of the device which is the subject of the patent, pierced with circular chamfered openings coaxial with the emitting points (Pte), ensuring the diffusion of the electrons emitted by said points.
  • FIG. 2 of plate 2/4 represents the electronic optical configuration intended to ensure the complete diffusion into the ambient atmosphere of the electrons emitted by the tips (Pte).
  • a series of points (Pte), of length at least equal to four times the diameter of the plate openings (P2), is fixed to the conductive support (S1), the assembly being brought to potential (-THT ) of on the order of -3.5 kV; the conductive plate (P2) brought to the "zero” potential (mass, soil, etc.) therefore brings the corresponding "zero" equipotential into its plane.
  • This plane is located far behind the end of the emitting tips (Pte): experimental measurements confirm the theoretical need to place the plate (P2) midway between the conductive plate (S1) and the free end of the points transmitters (Pte); this arrangement then ensures the emission to the outside of almost all of the flow of electrons produced (rate greater than 95%).
  • the presence of the insulating screen (P3) and its chamfered profile openings complete - by acquiring a negative surface density - increasing the diffusion of the electrons having passed through said openings.
  • the set of elements (S1), (P1), (P2), (P3) and points (Pte) placed in the axis of the openings of said elements therefore constitutes an electronic optical assembly ensuring the production, acceleration, focusing and spatial distribution of the electrons extracted from the metal of the pointed points under conditions close to the theoretical forecast.
  • FIGS. 5 and 6 represent an exemplary embodiment of a generator of cylindrical shape, with upper axial emission:
  • Tr transformer with high primary / secondary insulation (greater than 100 M ⁇ ) allows the secondary to have an effective variable voltage between zero and 300 Volt for an average power consumption of 5 Watt;
  • a voltage multiplier comprises 12 diodes with controlled avalanche, of peak reverse voltage 1200 VOIt, of peak current 1 Ampere, and 12 Wima capacitors, of type FKPl, 10 nF, operating voltages 1600 Vdc, 500 Vac; the very high negative voltage (-THT) obtained can then vary between zero and -3500 V;
  • P1 a circular plate (P1) of rigid PVC, 3 mm thick, 160 mm in diameter, ensuring the positioning of the tips and constituting the second element of electronic optics;
  • P3 in rigid PVC, 3 mm thick, 160 mm in diameter, comprising 4 circular openings concentric with the tips, with chamfered edge, 10 mm in diameter at the base, constituting the fourth element of the electronic optics.
  • the plates (S1) and (P1 / P2) are 25 mm apart, the plates (P2) and (P3) are 25 mm apart.
  • the electronic flux emitted by a tip corresponds to a measured current of 3.0 microamps; this measurement is performed between a point and a large conductive plate placed 1.5 cm from said point, minimum distance required to avoid ignition which falsifies the measurement. This flow corresponds to the average emission of 2.1013 electrons per second and per point (20,000 billion).

Landscapes

  • Electron Sources, Ion Sources (AREA)
  • Electrostatic Separation (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Particle Accelerators (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Claims (2)

  1. Negativer Ionengenerator in einem stickigen, gasförmigen Milieu oder in freier oder stickiger Atmosphäre mit einer ein erstes Teilsystem bildenden Quelle sehr hoher negativer Gleichspannung (Hochspannung) und einer Vorrichtung zur Emission negativer Ionen, die ein zweites Teilsystem bildet, das mit dem ersten Teilsystem zur Versorgung mit elektrischer Energie elektrisch verbunden ist, wobei die Vorrichtung zur Emission negativer Ionen aus einer elektronenoptischen Baugruppe zur Beschleunigung, Fokussierung und Ausbreitung der erzeugten negativen Ionen besteht und elektronenemittierende Spitzen umfaßt, die koaxial in Löchern von Platten angeordnet sind und wobei mit den Spitzen das zur Emission negativer Ionen notwendige elektrische Feld erzeugt wird,
    dadurch gekennzeichnet,
    daß die Platten der Vorrichtung zur Emission negativer Ionen umfassen:
    - eine die emittierenden Spitzen (Pte) tragende Fußplatte (S1), die mit dem negativen Pol der Hochspannungsquelle verbunden ist,
    - eine außen befindliche Isolierplatte (P3) mit kreisförmigen, koaxialen Öffnungen mit den Spitzen, die so angeordnet sind, daß sich die freien Enden der Spitzen in den Öffnungen befinden,
    - eine leitfähige Platte (P2), die in der Mitte zwischen der Fußplatte (S1) und der außen befindlichen Isolierplatte (P3) angeordnet ist, die die koaxialen Öffnungen mit den Spitzen haben und geerdet sind und
    - eine innen befindliche Isolierplatte (P1), die auf der gegen die Fußplatte (S1) gerichteten Seite der leitfähigen Platte (P2) befestigt ist und für die Positionierung der Spitzen sorgt.
  2. Generator nach Anspruch 1,
    dadurch gekennzeichnet,
    daß die in der Mitte zwischen der Fußplatte (S1) und der außen befindlichen Isolierplatte (P3) angeordnete, leitende Platte (P2) geerdet ist.
EP87401923A 1986-08-29 1987-08-24 Negativer Ionengenerator grosser Leistung in einer Gasatmosphäre mit einem elektrischen Feld grosser Intensität Expired - Lifetime EP0259220B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87401923T ATE61892T1 (de) 1986-08-29 1987-08-24 Negativer ionengenerator grosser leistung in einer gasatmosphaere mit einem elektrischen feld grosser intensitaet.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8612448A FR2603428B1 (fr) 1986-08-29 1986-08-29 Generateur d'ions negatifs en milieu gazeux, de grande puissance, a configuration de champ electrique de haute intensite
FR8612448 1986-08-29

Publications (2)

Publication Number Publication Date
EP0259220A1 EP0259220A1 (de) 1988-03-09
EP0259220B1 true EP0259220B1 (de) 1991-03-20

Family

ID=9338701

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87401923A Expired - Lifetime EP0259220B1 (de) 1986-08-29 1987-08-24 Negativer Ionengenerator grosser Leistung in einer Gasatmosphäre mit einem elektrischen Feld grosser Intensität

Country Status (7)

Country Link
US (1) US4816684A (de)
EP (1) EP0259220B1 (de)
AT (1) ATE61892T1 (de)
DE (1) DE3768740D1 (de)
ES (1) ES2022406B3 (de)
FR (1) FR2603428B1 (de)
GR (1) GR3002173T3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8922602D0 (en) * 1989-10-06 1989-11-22 British Aerospace A surface discharge plasma cathode electron beam generating assembly
FR2687858B1 (fr) * 1992-01-17 1996-11-08 Breton Dominique Generateur d'ions negatifs a haute tension controlee, sans emission d'ozone, pour milieux habites critiques.
KR101111468B1 (ko) * 2003-06-05 2012-02-21 시시도 세이덴기 가부시키가이샤 이온 생성 장치

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665241A (en) * 1970-07-13 1972-05-23 Stanford Research Inst Field ionizer and field emission cathode structures and methods of production
CH524112A (de) * 1971-05-29 1972-06-15 Multorgan S A Verfahren zur Erzeugung von Luftionen
FR2262423A1 (en) * 1974-02-25 1975-09-19 Ozonair Sa Negative ion generator - ions generated in low air flow from corona around spike electrodes
FR2270700B1 (de) * 1974-05-09 1980-01-11 Breton Jacques
US4227894A (en) * 1978-10-10 1980-10-14 Proynoff John D Ion generator or electrostatic environmental conditioner
DE3106182A1 (de) * 1981-02-19 1982-09-09 Schmid, geb.Bühl, Annemarie, 7914 Pfaffenhofen Anordnung zur erzeugung eines biologisch wirksamen elektrischen feldes
US4757422A (en) * 1986-09-15 1988-07-12 Voyager Technologies, Inc. Dynamically balanced ionization blower
US4721885A (en) * 1987-02-11 1988-01-26 Sri International Very high speed integrated microelectronic tubes

Also Published As

Publication number Publication date
EP0259220A1 (de) 1988-03-09
FR2603428A1 (fr) 1988-03-04
US4816684A (en) 1989-03-28
FR2603428B1 (fr) 1992-11-20
ES2022406B3 (es) 1991-12-01
DE3768740D1 (de) 1991-04-25
ATE61892T1 (de) 1991-04-15
GR3002173T3 (en) 1992-12-30

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