JPH0725602A - Ozone-generating device - Google Patents

Abstract

PURPOSE:To provide an ozone-generating device simple in the structure, easy in the production, capable of supplying clean ozone at a low cost, and enabling the supply of anions. CONSTITUTION:The ozone-generating device comprises an ozone-generating element 2 disposed in the main body 1 of a case, comprising a discharge titanium plate electrode 25 and an induction titanium plate electrode 23 nipping a ceramic thin plate 21 in a sandwich structure and enabling a creeping discharge, a high frequency electric source 3 for applying a high frequency voltage to an ozone-generating element 2, an air blower 4 for supplying air for the ozone-generating element 2, an active filter 5 disposed in a stream upper than the ozone-generating element 2, an anion-generating device 6 disposed in a stream lower than the ozone-generating element 2, and a display device 8 for displaying the abnormality of the ozone-generating element 2, the active filter 5 or the anion-generating device 6 by the ON-OFF patterns of two light-emitting elements 84, 85.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ozone generator which generates ozone effective for sterilization, deodorization and health promotion.

[0002]

2. Description of the Related Art In a conventional ozone generator, a tungsten discharge electrode F for applying a high frequency voltage is vacuum-deposited or screen-printed on a first ceramic plate C1 and a second ceramic plate C2 is formed on the second ceramic plate C2, as shown in FIG. Induction electrode Y
Are vacuum-deposited or screen-printed to be laminated, and a heater H disposed on the third ceramic plate C3 is arranged in parallel to supply dry air with the electrodes F and Y being overheated. There is one that causes a creeping discharge between the ceramic plate C1 of No. 1 and the discharge electrode F to generate ozone.

[0003]

The above-mentioned conventional ozone generator is difficult to manufacture because it deposits tungsten electrodes F and Y on the ceramic plates C1 and C2 in a vacuum or screen-prints them. In addition, in order to generate ozone, it is necessary to arrange heaters H side by side to provide a structure capable of supplying dry air. Therefore, there is a problem that the structure is complicated and the cost is increased.

Therefore, the present inventors have made a sandwich structure in which an insulating thin plate is sandwiched between a pair of conductive metal plate members constituting a discharge electrode and an induction electrode, and a high frequency voltage is applied to enable creeping discharge. As a result of further research and development focusing on the technical idea of the present invention, ozone is effectively generated, manufacturing is simple, a heater and a supply of dry air are unnecessary, the structure is simplified, and the cost is reduced. The present invention achieves the object of reducing

[0005]

The ozone generator of the present invention (the first invention according to claim 1) is an area formed by a plate member made of a conductive metal with ceramics and other insulating thin plates sandwiched therebetween. A large induction electrode and a discharge electrode having a small area are arranged to face each other to form a sandwich structure, and a high-frequency voltage from a high-frequency power source is applied to the induction electrode and the discharge electrode so that And an air-blowing fan for supplying ozone generated by the creeping discharge of the ozone generating element.

The ozone generator of the present invention (the second invention according to claim 2) is different from the first invention in that a stainless steel filter is provided at a position on the upstream side of the ozone generating element, and the ozone generator is connected to the high frequency power source. By adding a positive DC high voltage that detects the high frequency voltage of the above, by adding an active filter device that makes it possible to positively ionize and remove dust and the like in the air passing through the stainless steel filter by the blower fan. is there.

The ozone generator of the present invention (the third invention according to claim 3) is different from the second invention in that an electrode is arranged at a position downstream of the ozone generating element so that the high frequency power source supplies the electrode. An anion generating device that generates anions by applying a negative DC high voltage obtained by detecting a high frequency voltage is added.

The ozone generator of the present invention (the fourth invention according to claim 4) differs from the first invention in that the current of the high frequency output of the high frequency power source applied to the ozone generating element is controlled. The ozone amount changing device for changing the amount of ozone generated by the ozone generating element is added.

The ozone generator of the present invention (the fifth invention according to claim 5) is different from the third invention in that it is connected to the cathode side of the output coil of the high-frequency power source and is connected in antiparallel. A display device for displaying an abnormality of the ozone generation element, the active filter device, and the anion generation device is added according to the ON / OFF pattern of the light emitting element.

[0010]

In the ozone generator of the first invention having the above structure, a high-frequency voltage is applied between the discharge electrode and the induction electrode of a conductive metal having a sandwich structure, which is disposed so as to face each other with an insulating thin plate such as ceramics interposed therebetween. When applied, creeping discharge is generated between the discharge electrode of the ozone generating element and the insulating thin plate, and the oxygen gas present there is converted to ozone gas by the ions generated at that time and ozone is supplied by a blower fan. is there.

In addition to the operation of the first invention, the ozone generating apparatus of the second invention having the above-mentioned structure has a high frequency from a high frequency power source in a stainless steel filter which constitutes an active filter device arranged upstream of the ozone generating element. A positive DC voltage obtained by detecting the voltage is applied, and dust and the like in the passing air are positively ionized to remove them.

In addition to the function of the second aspect of the invention, the ozone generating apparatus of the third aspect of the invention having the above-described structure has a negative direct-current voltage obtained by detecting a high-frequency voltage from a high-frequency power source in the electrode disposed downstream of the ozone generating element. Is applied to generate anions.

In addition to the operation of the first aspect of the invention, the ozone generating apparatus of the fourth aspect of the present invention having the above-mentioned structure generates an ozone generating element by controlling the current of the high frequency output from the high frequency power source by the ozone amount varying device. The amount of ozone is made variable according to need.

In addition to the function of the third invention, the ozone generator of the fifth invention having the above structure has two light emitting elements connected in anti-parallel by the display device connected to the cathode side of the output coil of the high frequency power supply. The ON / OFF pattern of No. 3 indicates that the ozone generating element, the active filter device and the anion generating device are abnormal.

[0015]

The ozone generator of the first invention having the above-mentioned operation employs an ozone generating element in which a discharge electrode and an induction electrode are arranged in a sandwich structure with an insulating thin plate sandwiched between them, so that the structure is simple. In addition, the manufacturing is easy and the cost is reduced.

The ozone generator of the second invention having the above-mentioned effects has the effect of being able to supply clean ozone containing no dust in addition to the effects of the first invention.

In addition to the effect of the second aspect of the invention, the ozone generating apparatus of the third aspect of the invention having the above-described effect has the effect of supplying anion to clean ozone free from dust.

The ozone generator according to the fourth aspect of the present invention, which has the above-described operation, has the effect that the amount of ozone generated can be changed as necessary, in addition to the effect of the first aspect.

According to the ozone generator of the fifth aspect of the invention having the above-mentioned operation, it is possible to display the abnormality of the ozone generator, the active filter device and the anion generator by the ON / OFF pattern of the two light emitting elements of the display device. Produce an effect.

[0020]

Embodiments of the present invention will be described below with reference to the drawings.

(First Embodiment) The ozone generator of the first embodiment is an embodiment of the first to fifth inventions as shown in FIGS. 1 to 5, and the present invention is used at home for health. It is applied to an appliance, and a case body 1 and a discharge electrode 25 and an induction electrode 23, which are arranged in the case body 1 and sandwich a ceramic thin plate 21 and made of a titanium plate, are arranged in a sandwich structure to generate a creeping discharge. Ozone generator 2 made possible
A high-frequency power supply circuit 3 for applying a high-frequency voltage to the ozone generating element 2, a blower 4 for supplying air to the ozone generating element 2, and a position in the case body 1 upstream of the ozone generating element 2. The active filter 5, the anion generator 6 disposed in the case body 1 at a position downstream of the ozone generating element 2, and the knob 71 on the wall of the case body 1.
Is connected to the cathode side of the output coil of the high frequency power supply circuit 3, and the ozone amount variable device 7 for controlling the amount of ozone generated by the ozone generating element 2 by controlling the current of the high frequency output of the high frequency power supply circuit 3. Two light emitting elements 84 connected in anti-parallel and arranged on the wall of the case body 1,
The ozone generating element 2, the active filter 5, and the display device 8 for displaying an abnormality of the anion generating device 6 are formed by an ON / OFF pattern 85.

The case body 1 includes a bottom body 11 supported by legs 111 and a body 12 placed on the bottom body 11.
And a lid 13 placed on the body 12.

The bottom body 11 is a dome-shaped body 1 protruding downward.
10 in the upper flange portion 112 and 12
A hole 113 for supplying ozone is provided in the lower center, which is supported by three legs 111 at 0 degree intervals.
A protective net 144 is provided at 13.

The body 12 is composed of a hollow cylindrical body 120 forming a clean room 125, circular partition plates 121 and 122 are arranged on the upper and lower sides, and a rectangular hole 123 is formed in the center of the upper partition plate 121. A circular hole 124 is formed in a part of the lower partition plate 122.

The lid 13 is a dome-shaped body 1 protruding upward.
30 in the lower flange portion 132 and 12
An annular opening 13 is fixed to the rod members forming the three legs 111 at intervals of 0 degree via a spacer 133, and introduces air between the partition member 121 above the body 12 and the partition plate 121.
4 are formed.

The blower unit 4 is composed of an axial fan 40 which is connected to an AC power source through a switch 41 and is rotationally driven by a motor arranged in a central portion of the body 12.
Is arranged coaxially with the circular hole 124 formed in the lower partition plate 122, and takes in air from the outside of the case body 1,
Air is taken into the clean room 125 through the rectangular hole 123 of the upper partition plate 121, then introduced into the bottom body 11 through the circular hole 124, and led out of the case body 1 through the lower hole 113. It consists of the configuration to obtain.

The high frequency power supply circuit 3 is arranged in a clean room 125 above the partition plate 122 below the body 2, and is connected to a commercial power supply via a switch 41 as shown in FIGS. 2 and 3. Lap and π-type filter 31
And a DC conversion circuit 32 for converting AC100V into DC, an anti-coupling oscillation circuit 33 for oscillating a high frequency for applying to the ozone generating element 2, a current limiter circuit 34 for limiting the output current, and an output stabilization for stabilizing the output. The conversion circuit 35 and the output transformer 36 that outputs a high frequency.

The DC conversion circuit 32 has diodes connected in a bridge structure, and has a structure capable of rectifying 100 V AC and converting it into DC.

The output stabilizing circuit 35 supplies a voltage with a capacitor for cost reduction. Even if the DC power supply voltage fluctuates, the output is stable according to the set value, and a stable ozone amount is supplied. It consists of the configuration to obtain.

As shown in FIG. 4, the ozone generating element 2 has a rectangular substrate 21 made of synthetic resin, radiation fins 22 fixed to both ends of the rectangular substrate in the longitudinal direction, and a rectangular building material whose both ends are in contact with the radiation fin 22. The induction electrode 23 made of a titanium plate having a plate thickness of 0.6 mm and the induction electrode 23 having substantially the same shape as the induction electrode 23 and having four through bolts 231 at both ends.
And a ceramic thin plate 24 having a plate thickness of 0.6 mm as an insulating thin plate that penetrates the heat dissipating fins 22 and is fixed to the rectangular substrate 21 by a through bolt 251 having one end fixed to the center of the rectangular substrate 21 and is guided. The discharge electrode 25 is a square having a sufficiently smaller area than the electrode 23 and has a large number of circular holes, and the circular hole 124 of the lower partition plate 122 in which the axial fan 40 of the blower 4 is arranged.
Fixing bracket 26 for fixing the rectangular substrate 21 to the frame of the anion generator described later at a position corresponding to
It consists of and.

The induction electrode 2 with the ceramic thin plate 24 interposed therebetween.
Discharge electrode 25 forming a sandwich structure with 3
Is connected to the anode side of the output coil of the output transformer 36 of the high frequency power supply circuit 3 via a through bolt 251 by a silicon-coated lead wire, as shown in FIG.
The induction electrode 23 is connected to the cathode side of the output coil of the output transformer 36 of the high frequency power supply circuit 3 via any one through bolt 231.

The ozone generating element 2 has a fixing bracket 26.
Is disposed so as to be inclined with respect to the lower partition plate 122, the discharge electrode 25 is disposed so as to face the axial fan 40, and air is directly supplied, and generated ozone is supplied obliquely downward in the drawing. It consists of the configuration to obtain.

The active filter 5 showed a good effect in removing dust as confirmed by experiments.
Substrate-shaped stainless wire mesh filter 50 ~ 3mm pitch
Is arranged in the rectangular hole 123 of the upper partition plate 121, and is connected to the anode side of the output coil of the output transformer 36 of the high frequency power supply circuit 3 via the high-voltage rectifier 51.
By applying a positive DC high voltage, the fiber filters 52 in which fiber layers having different fiber densities are laminated are also arranged in parallel,
It is configured so that dust and the like in passing air can be positively ionized and removed.

The anion generator 6 has a lower partition plate 122.
Substrate-like stainless steel with a pitch of 1 to 3 mm, which is arranged so as to close the rectangular hole 621 inside the square-shaped frame body 62 suspended by the four leg portions 61 protruding further downward A structure composed of a wire net 60, connected to the anode side of the output coil of the output transformer 36 of the high-frequency power supply circuit 3 via a high-voltage rectifier 63, and capable of generating anions by applying a negative DC high voltage. Consists of

The ozone amount varying device 7 is constituted by a variable resistor 70 shown in FIG. 3 which mechanically interlocks with a knob 71 provided on the wall portion of the case main body 1, and controls the high frequency output current of the high frequency power supply circuit 3. It consists of a controllable structure.

As shown in FIG. 3, the display device 8 includes a silicon bidirectional switching element 81 connected in parallel between the cathode side of the output coil of the output transformer 36 of the high frequency power supply circuit 3 and the ground, and a first parallel circuit. Resistor 82 and the second
Of the first and second high-brightness LEDs 84 and 85, whose brightness and on / off are changed in accordance with the voltages connected in antiparallel with each other in series with the parallel resistor 83 of FIG. When either of the brightness LEDs 84 or 85 is off, the abnormality of either the active filter 5 or the anion generator corresponding thereto is displayed, and when both are off, the abnormality of the ozone generating element 2 is indicated. It has a displayable structure.

In the ozone generator of the first embodiment having the above structure, when the switch is turned on, the axial fan 40 of the blower 4 rotates, and the high frequency power supply circuit 3 applies a high frequency output to the ozone generating element. The positive DC voltage rectified by the high voltage rectifier 51 is applied to the stainless wire net filter 50 of the active filter 5, and the negative DC voltage rectified by the high voltage rectifier 63 is applied to the anion generator 6. It

When the axial fan 40 rotates, an air flow is formed in the case body 1, and the air is taken in through an annular opening 134 formed between the lid 13 and the body 12, and is distributed above the active filter 5. By the installed fiber filter 52 and the stainless wire mesh filter 50 to which a positive DC voltage is applied, clean air from which dust and the like in the taken air is positively ionized and removed is supplied into the clean room 125.

The clean air supplied into the clean room 125 is supplied by the axial fan 40 to the ozone generating element 2 arranged in the bottom body 11, and a high frequency voltage having a large number of circular holes is applied thereto. By the creeping discharge generated between the surface of the square discharge electrode 25 and the ceramic thin plate 24, the oxygen in the supplied air is ozonized and the ozonized gas is supplied.

The ozonized gas is supplied to the anion generator 6 arranged below, and anions are generated by the stainless wire net 60 to which a negative DC voltage is applied.
Anions are added to the ozonized gas passing through the stainless wire net 60 and supplied.

Anions are added to the ozonized gas, and the case body 1 is passed through the hole 113 at the bottom of the bottom body 11.
Although it is released to the outside, as shown in FIG. 5, a water receiving pad 1 in which a sponge arranged facing the hole 113 is impregnated with water.
The ozone having a high concentration is dissolved in water to form ozone water, and the ozonized gas added with the anions reflected on the surface of the water is diffused and supplied.

In the ozone generating apparatus of the first embodiment having the above-mentioned operation, the ozone generating element 2 sandwiches the ceramic thin plate 24 having a plate thickness of 0.6 mm, and the discharge electrode 25 and the induction electrode 23 are made of an inexpensive titanium plate for building materials. Since the and have a sandwich structure, the structure is simple, the manufacturing is easy, and the cost is reduced.

Further, in the ozone generator of the first embodiment, a large number of circular holes are formed in the discharge electrode 25 of the ozone generating element 2 so that the creeping discharge generated between the discharge electrode 25 and the ceramic thin plate 24 is entirely generated in the discharge electrode 25. Since it is generated in step 1, the ozone can be effectively generated, and the amount of generated ozone can be increased.

Further, the ozone generator of the first embodiment positively ionizes and removes dust in the air taken in by the optimum peach size stainless wire mesh filter 50 to which the positive DC voltage of the active filter 5 is applied. Thus, while supplying clean ozone gas, anions can be added by the stainless wire net 60 to which the negative DC voltage of the anion generator 6 is applied to exert an effective action on the human body and purify air. Produce an effect.

In the ozone generator of the first embodiment, the anti-coupling oscillation circuit 33 of the high frequency power supply circuit 3 is of the tank coil tuning type, and the ozone generating element 2 is resonated by tuning it to the resonance point of the ozone generating element 2. Ozone which is a little heavier than air (O
₃ ) Bombing phenomenon is caused, and ozone can be effectively generated and supplied.

Furthermore, in the ozone generator of the first embodiment, the first and second high brightness LEDs 84 and 8 of the display device 8 are used.
The ON / OFF pattern of No. 5 makes it possible to display the abnormality of the ozone generating element 2, the active filter 5, and the anion generating device 6 as described above, and also has a high luminance L.
Since the EDs 84 and 85 are adopted, the high frequency voltage applied to the ozone generating element 2 due to the change in the luminance,
The positive and negative currents applied to the active filter 5 and the negative ion generator 6 can be monitored.

In the ozone generator of the first embodiment, the active filter 5 is arranged on the upper part of the case body 1,
Clean room 125 below by removing dust from the air
To increase the efficiency of ozone generation by cooling the high frequency power supply circuit 3 and the ozone generating element 2 in the clean room, and supplying the ozone to the ozone generating element 2 by the axial fan 40 so that oxygen in the air is ozone. Since ozone is heavier than air, it flows downward due to its gravity to reach the anion generator, and anions are added to the ozone to drop it, and the ozone is supplied to the water receiving pad 116 arranged below and partially dissolved in water. It becomes ozone water, and the ozone emitted from the surface is diffused and effectively supplied, and it also has a role of sterilization and is hygienic, and it has the effect of preventing bad drying of air in the bronchus and giving appropriate humidity.

Further, the ozone generator of the first embodiment is
It removes air stains, mites and antigenic bacteria that are unfavorable to asthma patients, supplies effective negative ions to the human body to improve health, and is desirable for asthma, which is a reversible bronchial disease. It has the effect of achieving a healing effect and not causing pollution or side effects.

(Second Embodiment) As shown in FIG. 6, the ozone generator of the second embodiment has a rectangular parallelepiped hollow case body 14
And the tangen shell fan 42 that constitutes the blower device 4.
And 1 mm which forms a sandwich structure with the induction electrode 23 with the mica thin plate 28 as an insulating thin plate vertically arranged therebetween.
The ozone generating element 2 having the grid-like mesh-shaped discharge electrodes 27 of the pitch, the air intake hole 16 provided in the upper rear surface of the case body 14, and the ozone supply port 17 provided in the lower whole surface of the case body 14. Except that the ozone supply port 17 mounted on the bottom of the case body 14 and the water receiving pad 18 mounted on the bottom of the case body 14 are different from those of the first embodiment.
It has the same configuration.

In the ozone generator of the second embodiment having the above structure, the air is taken into the case body 1 through the air intake hole 16 provided at the upper rear surface of the case body 14, and is positively ionized by the active filter. After removing the dust contained in the air, the dust is supplied to the ozone generating element 2 vertically arranged by the tangen shell fan 42, and is generated between the grid-shaped discharge electrode 27 and the insulating substrate 24. Oxygenates oxygen in the air supplied by creeping discharge into ozone,
Anions are added by the anion generator 6 to form ozone water in the water receiving pad 18, and the ozone gas to which the anions reflected on the water surface are added is supplied to the ozone supply port 1
It is supplied in front of 7.

The ozone generating apparatus of the second embodiment having the above-mentioned operation has the same effect as that of the first embodiment, and also the creeping discharge is generated by the discharge electrodes 27 of the grid-like mesh. As compared with the above, it is possible to increase the area where the creeping discharge is generated and to increase the ozone generation efficiency and the ozone generation amount.

Further, in the ozone generator of the second embodiment, since the water receiving pad 18 is inserted in the case body, the user may accidentally spill the water as in the first embodiment. The effect that there is no.

The embodiments described above are merely examples for the purpose of explanation, and the present invention is not limited to them. Those skilled in the art will recognize from the claims, the detailed description of the invention and the description of the drawings. Modifications and additions can be made without departing from the technical idea of the present invention.

In the above-mentioned embodiments, the active filter has been described as an example in which the stainless wire mesh filter and the fiber filter are combined, but the present invention is not limited to them, and is used in a place where physical dust is small. In that case, the fiber filter can be omitted.

[Brief description of drawings]

FIG. 1 is a sectional view showing a first embodiment device of the present invention.

FIG. 2 is a block diagram showing a first embodiment device.

FIG. 3 is an electric circuit diagram showing a high frequency power supply circuit of the first embodiment.

FIG. 4 is a perspective view showing an ozone generating element according to a first embodiment.

FIG. 5 is a cross-sectional view showing the flow of air and ozone in the device of the first embodiment.

FIG. 6 is a cross-sectional view showing a second embodiment device of the present invention.

FIG. 7 is a cross-sectional view showing an ozone generating element of a conventional device.

[Explanation of symbols]

 1 Case Main Body 2 Ozone Generating Element 3 High Frequency Power Supply Circuit 4 Blower 5 Active Filter 6 Anion Generator 7 Ozone Amount Adjusting Device 8 Display 11 Bottom Body 110 Dome-shaped Body 111 Leg 112 Flange 113 Hole 114 Half Half 12 Body 120 Hollow Cylindrical Body 121 Upper Partition Plate 122 Lower Partition Plate 123 Rectangular Hole 124 Circular Hole 13 Lid 130 Dome Body 132 Flange 133 Spacer 134 Opening 21 Rectangular Substrate 22 Radiating Fin 23 Induction Electrode 24 Ceramic Thin Plate 25, 27 Discharge Electrode 26 Fixed bracket 28 Mica thin plate 231, 251 Penetration bolt 31 Z-trap and π-type filter 32 DC conversion circuit 33 Anti-coupling oscillation circuit 34 Current limiter circuit 35 Output stabilization circuit 36 Output transformer 40 Axial fan 41 Switch Chi 50 stainless screen filter 51,63 rectifier 60 stainless screen 62 frame 70 a variable resistor 81 parallel resistance of the silicon bidirectional switching element 82 first 83 second parallel resistors 84 and 85 high brightness LED

Claims (5)

[Claims] 1. A sandwich structure is formed by arranging a large-area induction electrode and a small-area discharge electrode, which are made of conductive metal plate-shaped members, facing each other with ceramics or other insulating thin plates sandwiched therebetween. Then, a high-frequency voltage from a high-frequency power supply is applied to the induction electrode and the discharge electrode to generate a creeping discharge between the discharge electrode and the insulating thin plate, and a creeping discharge of the ozone generating element. An ozone generator comprising a fan for supplying ozone. 2. The method according to claim 1, wherein a stainless steel filter is provided at a position upstream of the ozone generating element, and a positive DC high voltage obtained by detecting a high frequency voltage from the high frequency power source is applied. An ozone generator comprising an active filter device that positively ionizes and removes dust and the like in the air passing through a stainless steel filter by a blower fan. 3. The anion according to claim 2, wherein an electrode is provided at a position downstream of the ozone generating element, and a negative DC high voltage obtained by detecting a high frequency voltage from the high frequency power source is applied. An ozone generator characterized in that an anion generator for generating is added. 4. The ozone amount varying device for varying the amount of ozone generated by the ozone generating element by controlling the current of the high frequency output of the high frequency power source applied to the ozone generating element according to claim 1. An ozone generator characterized in that 5. The apparatus according to claim 3, which is connected to a cathode side of an output coil of the high frequency power supply,
An ozone generator comprising an ozone generator, an active filter device, and a display device for displaying an abnormality of an anion generator according to an on / off pattern of two light emitting elements connected in antiparallel.