JPH0437865Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) This invention is applied to applications such as air purification, sterilization, disinfection, and deodorization, and relates to an ozone generator for generating ozone by ozonizing oxygen in the air. .

(Prior Art) Conventionally, as shown in FIG. 5, for example, a tube-shaped dielectric material u such as glass or ceramic and an air layer are placed between a tube-shaped outer electrode d1 and a round bar-shaped inner electrode d2. An intervening ozone generator and a sixth
As shown in the figure, upper and lower flat electrodes d1, d2
An ozone generator with a flat dielectric u and an air layer interposed between them, and as shown in Fig. 7, thin film electrodes d1 and d2 are arranged in parallel lines on the upper and lower surfaces of the flat dielectric u, respectively. An ozone generator, etc. installed in the shape of a
A high AC voltage is applied to 1 and d2 to generate a silent discharge, and the oxygen in the air flowing within the silent discharge area is
Ozone _O3 was generated by ozonizing a portion of _O2 .

(Problem to be solved by the invention) In the case of the ozone generators shown in Figures 5 and 6, the gap between the electrodes d1 and d2 is narrow and the amount of air flowing is restricted, so the ozone mixture is There are problems in that it is not possible to supply a large amount of water, and that the cooling effect on both electrodes d1 and d2 is small, making it easy for both electrodes d1 and d2 to heat up. There were problems such as the electrodes d1 and d2 evaporating due to repeated application of high voltage, resulting in a decrease in ozone generation ability over time, and the problem that the electrodes d1 and d2 were easily contaminated.

An object of the present invention is to provide an ozone generator that can solve the above-mentioned problems and stably supply a large amount of ozone-mixed air.

(Means for Solving the Problems) In the ozone generator of the present invention, the lower electrode, whose vertical cross-section is approximately shaped, has a lower recessed notch that is vertically disposed at the front end of the lower electrode. a plurality of front lower opposing parts arranged in the horizontal direction with a space between them; and a plurality of rear parts vertically disposed on the rear end of the lower electrode and arranged in the horizontal direction with a lower concave cutout in between. The upper electrode, which has a substantially shaped vertical cross-sectional shape and is installed on the lower electrode, is suspended from the front end of the upper electrode and separated by an upper recessed notch. a plurality of front upper facing parts arranged in the lateral direction and facing each of the lower facing parts of the front side with a gap therebetween; A plurality of rear upper facing parts are arranged in the horizontal direction across the cutout and are opposed to each of the lower facing parts on the rear side with a gap therebetween, and each of the front side The pair of upper and lower concave notches and the pair of upper and lower concave notches on the rear side are respectively shifted laterally and arranged in a staggered manner,
A dielectric material installed in the gap is fixed to one of the pairs of upper and lower opposed parts on the front side and the rear side, respectively.

(Function) A lower electrode having a plurality of lower facing parts on the front side and a plurality of lower facing parts on the rear side arranged laterally across the lower recessed notch, and a lower electrode having a plurality of lower facing parts on the rear side, each arranged in the horizontal direction across the lower recessed notch. A plurality of upper facing parts on the front side arranged in the horizontal direction and facing each of the lower facing parts on the front side with a gap in between, and a plurality of upper facing parts on the front side and facing each of the lower facing parts on the rear side with a gap in between. When an AC high voltage is applied to the upper electrode having a plurality of upper facing parts on the rear side, each gap part is A silent discharge is generated, and a portion of the oxygen in the air passing through the electrodes is converted into ozone, and the air flowing into the electrodes is stirred within the electrodes to cool the electrodes.

(Example) Next, an example of the present invention will be described with reference to FIGS. 1 to 4.

The frame 1 of the ozone generator H is formed into a picture frame shape by assembling a pair of upper and lower bases 1a, 1b and a pair of left and right pillars 1c, 1c into a rectangular frame shape that is open from front to rear.

The electrode pair D fitted into the frame 1 is formed into a substantially box-shaped pair of upper and lower electrodes 2 and 3 formed by punching and pressing a metal plate and placed facing each other. 2 and 3 are each connected to a high voltage AC electrode 4.

The upper electrode 2 screwed to the lower surface of the upper base 1a of the frame 1 is connected to a horizontal top plate 2a, and the upper electrode 2 is connected to a horizontal top plate 2a, which is suspended from the front and rear ends of the top plate 2a, respectively, and is arranged vertically on the front and back. The sections 2b and 2c are connected to each other and have a substantially mold-shaped cross section.

The upper upright part 2b on the front side has four upper recessed notches 5 to 5 recessed in a shape and an L shape, and each of them projects vertically and is arranged in a comb-like shape at equal intervals in the lateral direction. Three upper facing parts 6 to 6 are formed alternately, while three upper concave notches 7 to 7 are formed in the upper upright part 2c on the rear side, respectively, and each protrudes vertically. Four upper facing parts 8 to 8 are alternately arranged in a comb-like shape at equal intervals in the lateral direction, and each has a length shorter than that of the front upper facing part 6.

The lower electrode 3 screwed onto the upper surface of the lower base 1b of the frame 1 has a horizontal bottom plate 3a and a horizontal bottom plate 3a.
Front and rear lower upright portions 3b and 3c, which stand vertically at the front and rear end portions of a and are arranged side by side in a front and rear step shape, are connected to each other and are formed in a substantially mold-like longitudinal section.

The lower upright portion 3b on the front side of the lower electrode 3 has four lower recessed notches 9 to 9 recessed in a shape and an L shape.
and three lower facing parts 10 to 10 which are vertically protruded opposite to the front upper facing part 6 and arranged in a comb-like shape at equal intervals laterally, are alternately formed, The lower upright portion 3c on the rear side has three lower recessed notches 11 to 11 recessed in a shape, and each protrudes vertically in a direction opposite to the upper facing portion 8 on the rear side. Four lower opposing parts 12 to 12 are arranged at regular intervals in a comb-like shape and each has a length longer than the front lower opposing part 10, and are alternately formed. The upper facing parts 6 on the front side and the lower facing parts 10 on the front side are opposed to each other with a slight gap 13 between them, respectively, and the front facing parts pairs 18 to 1
8 is formed, and each upper concave notch 7 on the front side
and each of the lower recessed notches 9 on the front side are butted against each other, and front ventilation holes 14 to 14 for allowing air to flow into the electrode pair D are opened. Further, each of the upper facing parts 8 on the rear side and each lower facing part 12 on the rear side are opposed to each other with a slight gap 15 in between to form rear facing part pairs 19 to 19, and Each upper recessed notch 7 on the side and each lower recessed notch 11 on the rear side are opposed to each other in an abutting manner, and rear ventilation holes 16 to 16 are opened for allowing air to flow out from inside the electrode pair D. At the front end of the electrode pair D, each front opposing part pair 18 and each front vent hole 14 are arranged alternately, and at the rear end part of the electrode pair D, each rear opposing part pair 19 and each rear vent hole 16 are arranged. are arranged alternately.

Each of the front vents 14 and each of the rear vents 16 is arranged in a left-right staggered manner, and each pair of front facing portions 18 and each pair of rear facing portions 19 are offset from each other in the lateral direction. .

Dielectrics 17 to 17 formed into rectangular plate shapes made of glass, ceramic, synthetic resin, etc. are fixed to the upper ends of each of the lower facing parts 10 on the front side and the upper ends of each of the lower facing parts 12 on the rear side, respectively. It is interposed between the pair of front facing parts 18 and between the pairs of rear facing parts 19, respectively, and each dielectric body 17 on the front side and each dielectric body 17 on the rear side are offset in the vertical direction.

Then, when an AC high voltage is applied to both electrodes 2 and 3, silent discharge occurs between both electrodes 2 and 3 due to each dielectric 17, and a silent discharge area is created near each gap 13 and 15. , In this state, air is pumped through each front vent 14.
and the air flowing into the electrode pair D through each gap 13, and the air flowing into the electrode pair D through each rear vent hole 16 and the gap 1.
When it flows out of electrode pair D through 5, electrode pair D
A part of the oxygen in the air that has flowed through the chamber is converted into ozone (O ₂ →O ₃ ) by flowing into the silent discharge area, and ozone mixed air with a relatively low ozone concentration is generated.

Next, the operation and effects of the embodiment having the above configuration will be explained.

In this example, the lower electrode 3 whose longitudinal cross-sectional shape is approximately the same shape has a plurality of electrodes vertically disposed at the front end of the lower electrode 3 and arranged in the horizontal direction with a lower recessed cutout 9 in between. Lower facing part 10 on the front side and lower electrode 3
A plurality of rear lower facing portions 12 are formed vertically at the rear end portion and arranged in the horizontal direction across the lower recessed notch portions 11, and the longitudinal cross-sectional shape is formed into a substantially shaped lower portion. The upper electrode 2 installed on the side electrode 3 has a gap 13 hanging from the front end of the upper electrode 2 and arranged in the lateral direction with an upper recessed cutout 5 in between, and a gap 13 in each lower facing part 6 on the front side. A plurality of front upper facing parts 6 are arranged in a butt-like manner with the upper electrode 2 in between, and a plurality of front facing upper parts 6 are arranged in a horizontal direction with an upper recessed cutout part 7 between them, and are arranged in a lateral direction and are suspended from the rear end part of the upper electrode 2, respectively, with an upper recessed cutout part 7 between them. A plurality of rear upper facing parts 8 are formed in each of the lower facing parts 12 in abutting fashion with a gap 15 in between, and each pair of upper and lower recessed notches 5 and 9 on the front side;
Each pair of upper and lower recessed notches 7 and 11 on the rear side are arranged in a staggered manner by being shifted laterally, and each pair of lower facing parts 11 and 12 on the front and rear sides is installed in the gaps 13 and 15. A dielectric material 17 is fixedly attached to each.

Therefore, the entire ozone generator H can be made compact and its installation space can be reduced, and the flow rate of air flowing through the electrode body D can be greatly increased to stably supply a large amount of ozone-mixed air. .

Furthermore, since the flow rate of air can be increased, the cooling effect on both electrodes 2 and 3 can be enhanced, and there is an effect that overheating of both electrodes 2 and 3 due to silent discharge can be prevented.

Furthermore, in this example, each of the front vents 14 and each of the rear vents 16 is arranged in a staggered manner, so that the air flowing into the electrode pair D collides with each pair of opposing parts 19 on the rear side. It is stirred inside the electrode pair D, which further enhances the cooling effect on both the electrodes 2 and 3, enhances the ozone generation effect, and evens out the mixing state of the generated ozone.

Therefore, when this ozone generator H is used for air purification, it can efficiently purify and sterilize the air.

(Effects of the invention) Since the present invention is configured as described above, the ozone generator can be made compact and a large amount of ozone mixed air can be stably supplied, and the cooling effect for both electrodes can be enhanced and both electrodes can be Overheating of the electrode can be prevented.

[Brief explanation of the drawing]

Figures 1 to 4 show one embodiment of the present invention, where Figure 1 is a perspective view of the main parts of the ozone generator, and Figure 2 is a perspective view of the main parts of the ozone generator.
The figure is a front view of the ozone generator, Figure 3 is a plan view, Figure 4 is a sectional view taken along line A-A in Figure 2, Figure 5 is
FIGS. 6 and 7 are perspective views showing conventional ozone generators, respectively. 2... Upper electrode, 3... Lower electrode, 5, 7...
Upper concave notch, 6, 8...Upper opposing part, 9, 11...Lower concave notch, 10, 12...Lower opposing part, 17...Dielectric, H...Ozone generator.

Claims (1)

[Scope of utility model registration request] The lower electrode, whose longitudinal cross-sectional shape is approximately the same, has a plurality of front lower opposing parts vertically disposed at the front end of the lower electrode and arranged in the horizontal direction across the lower recessed notch. , a plurality of rear lower opposing parts are formed vertically on the rear end of the lower electrode and arranged in the horizontal direction across the lower recessed notch, so that the longitudinal cross-sectional shape is substantially shaped. The upper electrode is placed on the lower electrode, and the upper electrode is suspended from the front end of the upper electrode, and is arranged laterally across the upper recessed part, and has a gap between each of the lower facing parts on the front side. a plurality of front upper facing parts which are spaced apart from each other and are arranged in a butt-like manner, and each lower part of the rear side which is suspended from the rear end part of the upper electrode and arranged in the horizontal direction with an upper recessed notch in between; A plurality of rear upper facing parts are formed in the opposing parts in an abutting manner with a gap therebetween, and each pair of the upper and lower recesses on the front side and the upper and lower recesses of each pair of the rear side are formed. The cutout portions are arranged in a staggered manner by being shifted laterally, and a dielectric material installed in the gap is placed in one opposing portion of each pair of upper and lower opposing portions on the front and rear sides. An ozone generator characterized by being fixed.