JPH09169503A - Ozone generating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent shortening the life of an ozone decomposition means due to excess ozone by moving another end of a light shielding bellows sleeve along an ultraviolet lamp by a moving mechanism to control the quantity of ozone to be produced. SOLUTION: The expandable light shielding bellows sleeve 11 is arranged around the ultraviolet lamp 10 along the longitudinal direction, one end of the sleeve 11 is fixed to a supporting base 12 and another end is connected to the movable moving mechanism 20 along the ultraviolet lamp 10. A motor 26 of the moving mechanism 20 is normally rotated and a thread rod 21 is normally rotated through a coupling 33 to move a nut 23 engaged therewith. In accordance therewith, a guide member 25 and the sleeve 24 are moved to one side to expand the bellows sleeve 11 and the covered area of the ultraviolet lamp 10 by bellows sleene 11 is increased to reduce the light quantity UV rays irradiaing from the UV lamp 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ozone generator incorporated in a fresh food preservation device or the like.

[0002]

2. Description of the Related Art When fresh plants and the like are stored for a long time in a storage room, the fresh plants are promoted by aging and aging due to ethylene discharged by respiration, and their freshness is impaired. Freshness equipment is used.

As shown in FIG. 3, a conventional fresh food preservation device has a wavelength 18 within a housing 1 having an air inlet 5 and an air outlet 2.
An ultraviolet lamp 6 for irradiating ultraviolet rays having peaks at 4.9 nm and 253.7 nm, a metal catalyst such as activated carbon, manganese, iron, cobalt, palladium or the like, or an ozone decomposing means 7 comprising these metal oxidation catalysts, and a blower 3 are provided. There is.

When the ultraviolet lamp 6 and the blower 3 are operated, the inside air containing ethylene discharged from the fresh plants stored in the refrigerator 4 is sucked into the housing 1 through the air suction port 5, and the ultraviolet lamp 6 In the process of flowing around, oxygen in the air in the refrigerator is converted into ozone by the ultraviolet rays having a peak at a wavelength of 184.9 nm emitted from the ultraviolet lamp 6.

This ozone kills microorganisms, bacteria, etc. floating in the air in the refrigerator, decomposes offensive odor components, and at the same time oxidizes ethylene contained in the air in the refrigerator to convert it into ethylene compounds such as ethylene oxide and acetaldehyde. Convert.

The surplus ozone is decomposed into oxygen and nascent oxygen by the ultraviolet rays emitted from the ultraviolet lamp 6 and having a peak at a wavelength of 253.7 nm. Oxygen in this nascent stage oxidizes ethylene remaining in the air in the refrigerator and converts it into an ethylene compound.

Next, during the process of the air flowing through the ozone decomposing means 7, the ozone remaining in the air is decomposed into oxygen and the like, and the ethylene compound is adsorbed and removed. After this, this air is urged by the blower 3 to flow from the air outlet 2 to the refrigerator 4
Is blown out.

[0008]

In the conventional ozone generator described above, since the amount of ultraviolet rays emitted from the ultraviolet lamp 6 cannot be controlled, the amount of ozone generated may exceed the demand. In this case, Has a problem that the life of the ozone decomposing means 7 is wasted.

[0009]

The present invention has been invented to solve the above-mentioned problems, and the gist thereof is to generate ozone from oxygen in the air by ultraviolet rays emitted from an ultraviolet lamp. In the ozone generator described above, one end is fixed around the ultraviolet lamp, and the other end is provided with a light-shielding bellows sleeve movable along the ultraviolet lamp, and a moving mechanism is connected to the other end of the bellows sleeve. It is in the ozone generator.

However, when the other end of the light-shielding bellows sleeve is moved along the ultraviolet lamp by the moving mechanism, the covering amount of the ultraviolet lamp by the bellows sleeve is changed and the light amount of the ultraviolet light emitted from the ultraviolet lamp is changed. Along with this, the amount of ozone produced also changes.

The moving mechanism includes a screw rod, a guide rod, a nut screwed to the screw rod, a sleeve fitted to the guide rod, a guide member fixed to the other end of the bellows sleeve, It can be configured by a motor that rotationally drives the screw rod.

According to a second aspect of the present invention, in an ozone generator for generating ozone from oxygen in the air by ultraviolet rays emitted from an ultraviolet lamp, an arm whose one end is rotated by a motor around the ultraviolet lamp. The ozone generator is characterized in that a wind-up type light-shielding film fixed to, and guided out by an annular guide is installed.

However, when the arm is rotated by the motor, the light-shielding film is guided and guided out by the guide, and the light-shielding film covers the ultraviolet lamp, so that the amount of ultraviolet light emitted from the ultraviolet lamp decreases.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention is shown in FIG. A light-blocking bellows sleeve 11 capable of expanding and contracting along the longitudinal direction is arranged around the ultraviolet lamp 10. The left end of the bellows sleeve 11 is fixed to the support 12, and the right end of the bellows sleeve 11 is movable along the ultraviolet lamp 10.
Connected to 20.

The moving mechanism 20 includes a threaded rod 21 having a thread engraved on its outer periphery, a guide rod 22, and a nut 23 screwed onto the threaded rod 21.
And a sleeve 24 fitted to the guide rod 22, and a bellows sleeve
A guide member 25 fixed to the right end of 11 and a motor 26 for rotating the screw rod 21 are provided.

The left end of the screw rod 21 is rotatably supported by the support base 12 via a bracket 27, and the right end of the screw rod 21 is a bearing 28 and a stick.
It is rotatably supported by the support base 12 via 29. The left end of the guide rod 22 is fixed to the support base 12, and the right end is the socket 3
It is fixed to the support base 12 via 0 and a stay 31.

The nut 23 and the sleeve 24 are fixed to the guide member 25. The motor 26 is supported by the support base 12 via a bracket 32, and its output shaft is connected to the right end of the screw rod 21 via a coupling 33.

When the motor 26 is normally rotated, the screw rod 21 is normally rotated through the coupling 33, and the nut 23 screwed to the screw rod 21 is moved rightward. Along with this, the guide member 25
The sleeve 24 moves to the right and the right end of the bellows sleeve 11 moves to the right, so that the bellows sleeve 11 extends. This makes the UV lamp 10 with the bellows sleeve 11
Since the coating amount of is increased, the amount of ultraviolet light emitted from the ultraviolet lamp 10 is decreased.

When the motor 26 is reversed, the bellows sleeve 11
By shortening, the amount of ultraviolet light emitted from the ultraviolet lamp 10 increases.

Thus, since the amount of ozone generated can be controlled by controlling the amount of ultraviolet light emitted from the ultraviolet lamp 10, it is possible to prevent waste of the life of the ozone decomposing means 7.

A second embodiment of the invention is shown in FIG. A light shielding film 42 is accommodated in a state in which a light shielding film 42 is wound around a shaft 43 inside a container 40 which is installed close to and in parallel with the ultraviolet lamp 10. Rollers 45 and 46 are rotatably supported at one end of the light-shielding film 42, that is, at the left and right ends of a rod 44 fixed to the protruding end, and these rollers 45 and 46 roll into annular guides 47 and 48, respectively. It is movably fitted. The left end of the rod 44 is connected to the output shaft of the motor 50 via the arm 49. The motor 50, the container 40, and the guides 47 and 48 are fixed to the support base 12, respectively.

However, when the motor 50 is rotated in the normal direction, the arm
49 rotates counterclockwise in FIG. 1 (B), and accordingly, the rod 44 and the rollers 45 and 46 supported by the rod 44 are guided.
Guided by 47 and 48, move in the direction of the arrow. As a result, the light-shielding film 42 is drawn out from the container 40, and the ultraviolet lamp
The periphery of 10 is covered to reduce the amount of ultraviolet light emitted from the ultraviolet lamp 10.

When the motor 50 is rotated in the reverse direction, the light shielding film 42 is wound up into the container 40 and the amount of ultraviolet rays emitted from the ultraviolet lamp 10 is increased.

[0024]

According to the present invention, when the other end of the light-blocking bellows sleeve is moved along the ultraviolet lamp by the moving mechanism, the covering amount of the ultraviolet lamp by the bellows sleeve is changed and the light amount of the ultraviolet lamp is changed. As a result, since the amount of ozone produced can be adjusted, it is possible to prevent the life of the ozone decomposing means from being unnecessarily consumed due to excess ozone.

The moving mechanism includes a screw rod, a guide rod, a nut screwed to the screw rod, a sleeve fitted to the guide rod, a guide member fixed to the other end of the bellows sleeve, If the motor is configured to rotate the screw rod, the other end of the bellows sleeve can be smoothly moved along the ultraviolet lamp.

In the second invention, when the arm is rotated by the motor, the light-shielding film is guided by the guide and is drawn out, and the ultraviolet-ray lamp can be covered with this light-shielding film. Therefore, the same as in the first invention. It is possible to exert an effect.

[Brief description of the drawings]

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

FIG. 2 shows a second embodiment of the present invention, (A) is a side view, and (B) is a cross-sectional view taken along the line BB of (A).

FIG. 3 is a schematic cross-sectional view of a conventional preserving device.

[Explanation of symbols]

 10 UV lamp 11 Bellows sleeve 20 Moving mechanism 21 Screw rod 22 Guide rod 23 Nut 24 Sleeve 25 Guide member 26 Motor

Claims (3)

[Claims] 1. An ozone generator for generating ozone from oxygen in the air by ultraviolet rays emitted from an ultraviolet lamp, wherein one end is fixed around the ultraviolet lamp and the other end is movable along the ultraviolet lamp. An ozone generator comprising a bellows sleeve for use and a moving mechanism connected to the other end of the bellows sleeve. 2. The moving mechanism comprises a screw rod, a guide rod, and
It is characterized by further comprising a nut screwed to the screw rod, a sleeve fitted to the guide rod, a guide member fixed to the other end of the bellows sleeve, and a motor for rotationally driving the screw rod. The ozone generator according to claim 1. 3. An ozone generator for generating ozone from oxygen in the air by ultraviolet rays emitted from an ultraviolet lamp, one end of which is fixed to an arm rotated by a motor around the ultraviolet lamp, and an annular guide is provided. An ozone generator characterized in that a wind-up type light-shielding film that is guided and fed is installed.