JP2793128B2 - Machines for sterilizing and deodorizing rooms - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a machine for sterilizing and deodorizing a room, comprising an electric switching portion for generating high voltage and high frequency, comprising a printed wiring board and an electronic mechanism. An ionization portion connected to the switching portion, the ionization portion being disposed on an insulator configured as a flat plate, and a first electrode disposed on an insulator side opposite the first electrode; An associated second electrode consisting of a metallic wire braid, to which a high voltage is applied in order to generate a corona discharge.

[0002]

2. Description of the Related Art EP-A-0 345 498 discloses a machine for sterilizing and deodorizing a room which consists essentially of a switching part and an ionizing part, in which the switching part comprises a primary winding and a secondary winding. The next winding,
A first electrode (anode) configured as a flat plate and a first electrode via an insulating plate, the transformer having a transformer disposed on the printed wiring board and the ionized portion being assigned to the printed wiring board Isolated from
It has a second electrode (cathode) consisting of a wire braid, wherein the second electrode spatially surrounds the switching part, the first electrode and the insulating plate, which are closed on the opposite side by the casting material. It is configured as a casing-shaped hood for receiving.

Further, European Patent Publication No. 0053647
From the specification, the bioclimatic (bioklimatisc)
In order to generate an electric field acting on h), the following machines are known, in which a battery is integrated spatially in a closed casing:
A generator for generating direct current and pulse voltages and electrodes for generating an electric field are arranged, wherein the electrodes are integrated in the housing cover as an inner laminate.
Purification of the contaminated air in the room by sterilization and deodorization is not performed by this known machine.

[0004] The present invention therefore takes into account the problem of purifying contaminated air, especially in closed rooms, which must be sterilized and deodorized by ionization.

[0005]

The object of the invention is therefore to provide individual functional elements, in particular the switching section and the ionizing section, with a minimum space requirement while maintaining sufficient ion production and the best ion exchange. So that it can be inserted into the casing of the machine.

[0006]

According to the present invention, a first electrode, an insulator, and a second electrode are arranged in a holder, and together with the holder, a switching portion of the printed wiring board is provided. The problem is solved by forming a fixed ionization part, the switching part having at least one ionization part being arranged as a structural unit in a closed casing with inlet and outlet openings.

[0007] Advantageous configurations of the invention are set out in the further claims.

[0008]

1 is a perspective view of a first embodiment of a machine 50 for sterilizing and deodorizing a room. The machine 50 comprises a lower part 10, a cover hood 20 and a back wall 15.
And an end wall 25. The casing 1 is configured to receive an ionizing section 40 operatively connected to the switching section 30 (see FIGS. 3 and 4). An indicator lamp 38 is arranged in the cover plate 21 of the cover hood 20 at a distance from the ionizing part 40 to monitor the operation.

The lower part 10 and the screws 3, 3 'and 4,
Cover hood 20 fixed to the lower part via 4 '
10 and 11 and FIG. 12 and FIG.
This will be described in detail with reference to FIG. A fixing plate 26 used for connection to an electric current circuit is fixed to the end wall 25 via screws 2, 2 '.

Further, on the end wall 25, a switching lever 3 of a switch 34 '(see FIGS. 3 and 4) disposed in the inner chamber of the casing 1 and electrically connected to the switching portion 30 is provided.
4 are arranged. The switching lever 34 operatively connected to the switch 34 'thus activates the ionization component 40 in relation to the room air to be ionized via an electronic mechanism 35 (see FIG. 4) connected to the switching section 30. it can.

FIG. 2 is a plan view showing an ionized portion 40 disposed in the cover plate 21 of the cover hood 20. In this case, the ionized portion is formed with a notch formed so as to conform to the outer periphery of the ionized portion. 23. The ionized portion 40 forms a plane with the surface of the cover plate 21. The specific configuration of the ionization section 40 will be described in detail below in connection with FIGS.

In a preferred embodiment of the machine 50, as schematically shown in FIG. 2, a ventilator is mounted on the inner surface 15 'of the back wall 15 in the inner space 5 of the casing 1 shown partially broken. 16 are arranged, and the ventilator 16
Is driven by the electric motor 17 in the direction of the arrow Y 'about the axis 17 of the shaft 17'.

When viewed in the axial direction of the casing 50, the filter plate 28 is arranged at a distance from the ventilator 16. A filter plate 28 made of a flowable material or the like is advantageously exchangeably fixed to the inner surface 11 'of the lower part 10 by means not shown.

The bottom plate 11 of the lower part 10 has a fixing member 7,
8 and 7 ', 8' are provided, on which the cover hood 20 is fixed by means of screws 3, 3 'and 4, 4' shown schematically in FIG. Ionized part 40
A number of slits 24 that pass through the cover plate 21 and are arranged at intervals from each other are assigned to the notch 23.

FIG. 9 shows the machine 50 operatively connected via a conductor 51 to a commercial transformer 52 in the direction of the arrow X in FIG. The cover hood 20 and the end wall 25 with the switching lever 34 and the insert plate are shown.

The switching section 30 of the machine 50 of FIGS. 1 and 2 is shown in plan view in FIG. 3 and in side view in FIG. The switching part 30 comprises a substantially printed wiring board 31, an electric connection member 26 'connected to a plug-in plate 26 fixed to the end wall 25, an electric switch 34',
An electronic mechanism 35, an indicator lamp 38, and an ionization section 40
And

An electric circuit (not shown in detail) is provided on the upper surface 31 'of the printed wiring board 31. The circuit has an electric connection member 26' via a conductor 27 and a conductor 34 '. An electric switch 34 'is connected through the display lamp 38. The display lamp 38 is also connected to the electric circuit of the printed wiring board 31 in the same manner.

The electronic mechanism 35 is arranged in a schematically illustrated casing 35 'which is held on the lower surface 31 "of the printed circuit board 31 by fixing members 36, 36' and 37, 37 '. Yes, casing 3
The electronic components (not shown) arranged in 5 'are protected by a casting material which hardens in a manner known per se, in which case
Thermoplastic or thermosetting plastics are used as casting materials.

As shown in FIG. 4, the ionized portions 40 are disposed on the upper surface 31 'of the printed wiring board 31 with a spacing 32 therebetween and are shown by fixing members 49, 49' shown schematically. It is fixed to the printed wiring board 31. The ionized portion 30 is connected to the electric circuit of the printed wiring board 31 via the conducting wire 33.

The ionized portion 40, shown in an enlarged cross-sectional view in FIG. 5, is configured substantially as a holder 45, a first electrode 42, an insulator 41 made of glass or a suitable plastic, and a wire braid. And a second electrode 43. In this case, the first electrode 42 provided on the insulator forms a positive electrode (anode) and the second electrode forms a negative electrode (cathode).

Machine 50 or 50 'to ionization section 40
Or, during the operation of 40 ', electrons are emitted in the wire 43', thereby forming negative oxygen ions in association with oxygen atoms. In this case, the ionization part 40 for the machine 50 and the ionization part 40 'for the machine 50' can be configured analogously (see FIG. 5).

For example, the holder 45 having a circular shape has an outer annular member 47 and a radially inwardly extending flange 46 disposed on the outer member 47 and is formed stepwise through the holder. The notch 45 'extends. Annular member 4
An annular groove 48 is provided on the inner surface 47 'of the nozzle 7.

The retainer 45 is used to receive the components 41, 42, 43 arranged in the notch 45 ', wherein the components 41, 43
It is held in close contact with the flange 46 via a snap ring 44 which is spring resiliently locked therein. The components 41, 42, 43, 44 are, together with the holder 45, an ionizing part 40, which is configured as a replaceable structural unit.
To form

In this case, the ionization part 40 for the machine 50
And the ionization section 40 'for the machine 50' can be similarly constructed (see FIG. 5).

In each ionized portion 40 or 40 ', the second electrode 43 is formed from a number of wires 43',
The wires are joined together, for example, such that the wires cooperate to form a fine wire braid or grid. Second
The electrode 43 is formed from steel, preferably stainless steel.

During operation of the machine 50 or 50 'or the ionizing section 40 or 40', electrons are emitted in the wire 43 ', thereby forming negative oxygen ions in association with oxygen atoms.

The first electrode 42 is formed in a manner known per se as a relatively thin noble metal plate or film, which is preferably deposited on the insulator 41 (glass plate). The first electrode 42 can also be formed, for example, as a flat, curved or bulbous plate or film.

The external shape of the two electrodes 42, 43 can be arbitrarily configured, for example, circular, square, rectangular or polygonal. Area of the first electrode 42 (anode) is advantageously selected in relation to the volume of the chamber to be deodorized by this experiment, the first constituting a case working portion of the chamber volume of 20 m ³ to 50 m ³ The ionization area of the electrode 42 is 2 cm ^{2 to} 4
It became clear that the design could be made with a size of cm ² .

FIG. 6 is a perspective view showing a second embodiment of a machine 50 'for sterilizing and deodorizing a room. The machine 5 of the second embodiment differs from the embodiment shown in FIG.
In the case of 0 ', the ionizing section 40' is located in the inner chamber 5 'of the casing 1', protected from external effects, as detailed in FIG.

The casing 50 'is constructed substantially analogously to the machine 50 described in connection with FIG. 1 and comprises a lower part 10', a cover hood 20 ', an end wall 55, a back wall 70 and And a casing 1 'made of Further, an indicator lamp 68 is arranged in the cover hood 20 '.

A plug plate 56 used for connection to an electric current circuit is fixed to the end wall 55 by screws 2, 2 '. Further, the end wall 55 is provided in the inner chamber of the casing 1 ′, and is electrically connected to the switching portion 60.
(See FIG. 7). A switching lever 64 of a switch 64 'connected to the switch 64' is disposed.

The ionization section 40 'can thus be activated in relation to the room air to be ionized via an electronic mechanism 65 (see FIG. 7) connected to the switching section 60 by the switching lever 64. Further, as apparent from FIG. 6, a large number of ventilation slits 73, 73 ', 54, 5 are provided.
4 'are spaced from one another in the cover hood 20' and the end wall 55.

FIG. 7 shows the entire switching part 60 for the machine 50 'according to FIG. 6 in a side view. The switching part 60 is constructed substantially analogously to the switching part 30 according to FIG. 4 and is connected to the printed circuit board 61 and to the electrical plug-in member 5 secured to the end wall 55 by screws 2, 2 '.
It has a bayonet plate 56 connected to 6 ', an electrical switch 64', an electronics 65, an indicator lamp 68 and an ionization section 40 '.

An electric circuit (not shown in detail) is arranged on the upper surface 61 'of the printed wiring board 61. The electric circuit includes a plug member 56' via a conductor 57 and a conductor 6 '.
An electric switch 64 'is connected via 4 ". Similarly, the display lamp 68 is connected to the electric circuit of the printed wiring board 61.

The electronic mechanism 65 is connected to the lower surface 6 of the printed wiring board 61 via fixing members 66, 66 'and 67, 67'.
It is arranged in a casing 65 '(schematically shown) which is fixed at 1 ". The electrical components (not shown) arranged in the casing 65' are hardened in a manner known per se by a casting compound which hardens. Protected, in this case thermoplastic or thermoset plastics are used as casting material.

Unlike the switching part 30 according to FIG. 4, in the case of the switching part 60 according to FIG. 7, the ionized part 40 'is arranged on the lower surface 61 "of the printed wiring board 61 with a spacing 62 and It is held by fixing members 69, 69 '(schematically shown).
The ionized portion 40 'constructed similarly to FIG. 4 (FIG. 4) is connected to the electric circuit of the printed wiring board 61 via a conductor (not shown).

FIG. 8 shows the machine 50 'as seen in the direction of the arrow X' in FIG. 6, in which case the lower part 10 'of the casing 1', the cover hood 20 'and the back wall 70 are shown. Ventilation slits 71, 71 'are arranged in the back wall 70' at an interval.

In the casing 1 'shown partially broken away, the switching part, generally designated by the reference numeral 60, is accommodated together with the ionizing part 40' arranged therein.
The switching part 60 has a supporting member 7 'suitably fixed to the lower part 10' of the casing 1 ', and an ionizing part 40' arranged on the printed wiring board 61 has an external part in the inner chamber 5 'of the casing 1'. It is fixed so that it is placed protected from action.

The machine 50 'is connected via a conductor 51' to an associated commercial transformer 52 ', as schematically shown in FIG.

In FIG. 10, the lower part 1 for the casing 1 is shown.
0 is a front view and FIG. 11 is a plan view.
The lower part 10, which is shaped U-shaped in cross section, has two side walls 12, 12 'spaced apart from each other and a bottom plate 11 connecting the side walls 12, 12' to one another.

The inner surface 11 'of the lower portion 10 is provided with two holding projections 8, 8' which are arranged at intervals from each other in the range of both end portions of the bottom plate 11 (see FIG. 11). Each holding projection has one support member 7,
7 'is arranged and secured by means not shown.

The outer surface 11 "of the lower part 10 is provided with supporting projections 9, 9 ', which correspond to the holding projections 8, 8' arranged on the inner surface 11 'at a distance from one another. And is fixed in a manner not shown in the bottom plate 11. In the longitudinal and transverse directions of the lower part 10, as shown in detail in FIG.
Are provided with a number of slits 14 that are arranged at an interval from each other.

The lower part 10 'for the casing 1' (see FIG. 6) of the machine 50 'can be constructed analogously to the lower part 10 described in connection with FIGS.

FIG. 12 shows the cover hood 20 for the casing 1 in a front view and FIG. 13 in a plan view. Cover hood 20 having a U-shaped cross section
Are two spaced side walls 22, 22 '
And a cover plate 21 for connecting the side walls 12, 12 'to each other.

The inner surface 21 'of the cover plate 21 is provided with two projections 18 and 18' which are spaced from each other in the range of both end portions of the cover plate 21. Stepped holes 19, 19 'extend.

As is apparent from FIG. 13, a notch 23 is provided in the cover plate 21 so as to correspond to the contour of the ionized portion 40 (see FIGS. 1 and 4). A large number of slits 24 are arranged in the notch 23 at intervals. The notch 23 and the slit 24 penetrate the cover plate 21. Further, in FIG. 13, a display lamp (see FIGS. 1 and 2) 3
Eight through holes 39 are shown.

In this case, the cover hood 20 'for the machine 50' according to FIG. 6 can be constructed substantially analogously to the cover hood 20 described with reference to FIGS. Cover hood 20 according to FIGS. 12 and 13
Alternatively, instead of the cutouts 23 and the slits 24, a number of ventilation slits 73, 73 ′ can be provided in the cover plate 21 of the cover hood 20, which are arranged at intervals in the longitudinal and transverse directions. (See FIG. 6).

In a manner known per se, the voltage delivered by the electronics 50 (not shown) for the machines 50, 50 'from an electrical current source, for example a 220 volt utility grid or a DC source, It is converted by the converter to approximately 1.5 to 3.0 kilovolts (kv) and the required frequency for the converter is generated by a so-called chopper circuit, in which case the second electrode 43 (fifth) (See figure) and must be tuned to resonance.

The converter is a conducting, push-pull or resonant converter whose secondary circuit is configured as a resonant circuit and at a first connection (not shown) to a first electrode 42 and to a second connection. Section is connected to protective earth. The frequency required to operate the machine 50 or 50 'is approximately 10 kHz to 3
0 kHz.

The machines 50, 50 'as described above ensure good operation without problems in various rooms, for example in hotel rooms, conference rooms, refrigeration and freezer rooms.
Based on relatively small external dimensions, use in automobiles, buses, etc. is also possible.

The electron emission that occurs during the operation of the machine produces negative and positive ions, especially oxygen ions, where the negative ions kill bacteria and spores present in the room air and have an unpleasant odor. Is neutralized.

The machine according to the invention is particularly advantageously used in rooms which are heavily contaminated with cigarette or cigar smoke (hotel rooms), equipped with carpet floors and curtains, in particular heavy fabric curtains.

[Brief description of the drawings]

FIG. 1 is a perspective view of a first embodiment of a machine for sterilizing and deodorizing a room.

FIG. 2 is a partially broken plan view of the machine of FIG. 1;

FIG. 3 is a plan view of the electrical switching portion of the machine of FIG.

FIG. 4 is a side view of the electrical switching portion of the machine of FIG.

FIG. 5 is an enlarged sectional view of the ionized portion of the machine of FIG.

FIG. 6 is a perspective view of a second embodiment of a machine for sterilizing and deodorizing a room.

FIG. 7 is a side view of the switching portion of the machine of FIG.

FIG. 8 is a view of the device with the associated transformer as seen from the direction of X ′ in FIG. 6;

FIG. 9 is a view of FIG. 1 with the associated transformer, viewed from the X direction.

FIG. 10 is a front view of the lower part of the machine of FIGS. 1 and 6;

FIG. 11 is a plan view of a lower portion of FIG. 10;

FIG. 12 is a front view of the cover hood of the machine of FIGS. 1 and 6;

FIG. 13 is a plan view of the cover hood of FIG.

[Explanation of symbols]

 1, 1 'casing 5, 5' inner chamber 16 ventilator 20, 20 'cover plate 23 notch 21, 73, 73' outflow slit 30, 60 switching part 31, 61 printed wiring board 34, 64 switch 35, 65 electronic mechanism 40, 40 ionized portion 41 insulator 42, 43 electrode 44 snap ring 45 holder 46 flange

Claims (11)

(57) [Claims] 1. A machine for sterilizing and deodorizing a room, comprising: a printed wiring board (31) and an electronic mechanism (35), an electrical switching part (30) for generating high voltage and high frequency. ), And a first electrode (42) arranged on an insulator (41) configured as a flat plate, comprising an ionization part (40) connected to the switching part (30); An associated second electrode (43) comprising a metallic wire braid, disposed on the insulator side opposite to the first electrode;
2, 43), wherein the first electrode (42) is of a type in which a high voltage is applied to generate a corona discharge.
The insulator (41) and the second electrode (43) are connected to the holder (4).
5), which together with the holder form an ionized part (40, 40 ') fixed to the printed circuit board (31, 61) of the switching part (30, 60); Switching parts (30, 60) having ionized parts (40, 40 ') are provided as inlet and outlet openings (14, 24; 14, 73, 73') as structural units.
A machine for sterilizing and deodorizing a room, which is disposed in a closed casing (1, 1 ') provided with: 2. A cover hood (2) for a casing (1).
The switching part (30) is fitted with the ionizing part (40) so that the ionizing part (40, 40 ') is form-fitted into a notch (23) which is arranged in 0) and which fits the contour of the ionizing part. 40, 40 ') and casing (1)
The notch (23)
In addition, a number of spaced outflow slits (2
The machine according to claim 1, wherein 4) is assigned. 3. The switching part (3) on the side where the ionized part (40) faces the inner surface (21 ') of the cover hood (20).
3. The machine according to claim 2, wherein the machine is arranged on a printed wiring board (31). 4. The cover hood (20) of the casing (1 ') having a plurality of spaced-apart outflow slits (73, 73') with the ionized portion (40 ') protected from external effects. ') The switching portion (60) is spaced apart from the inner surface of the ionizing portion (4).
2. The machine according to claim 1, wherein the machine is arranged in an inner space of the casing together with the housing. 5. The printed circuit board (61) of the switching part (60) opposite to the inner surface (21 ') of the cover hood (20'), wherein the ionized part (40 ') is arranged. 4. The machine according to 4. 6. The ionized part (40, 40 ') has a circularly shaped holder (45) with a flange (46) in which a first electrode (42) is placed. 2. An insulator (41) configured as a provided disk and a second electrode (43) made of a stainless steel wire braid are arranged and held by a spring-elastic snap ring (44). The described machine. 7. The first electrode (42) of the ionizing part (40, 40 ') is designed in relation to the volume of the chamber to be sterilized and deodorized, and the ionizing area forming the working part is from 20 m ³ to 20 m ^3. If the chamber volume of 50 m ³ is 2 cm ² to 4 cm ^2, according to claim 6, wherein the machine. 8. An inner chamber (5, 5) of a casing (1, 1 ').
2. The machine according to claim 1, wherein at least one electrically driven ventilator (16) is arranged in 5 ') and loads the ionization section (40, 40') with the air to be ionized. 9. An inner chamber (5, 5) of a casing (1, 1 ').
5 '), two or more ionized parts (40, 40') are arranged in each of the individual ionized parts (40, 40 ').
Are exchangeable as structural units (30, 6
2. The machine according to claim 1, wherein the machine is fixed to 0). 10. Individual ionized parts (40, 40 ').
The switching part (3) is related to the room air to be ionized.
Switches (34, 64) operatively coupled to (0, 60)
Machine according to any of the preceding claims, wherein the machine is controllable by an electronic mechanism (35, 65) operable by the machine. 11. The machine according to claim 1, wherein the machine is used in a room contaminated with smoke, in particular in a hotel room with curtains and carpet floors.