JP2584098B2 - Toilet deodorizer - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a deodorizing apparatus for toilets having a function of removing malodorous components such as ammonia, hydrogen sulfide, and various mercaptans.

2. Description of the Related Art In recent years, deodorizing apparatuses for deodorizing odors generated from toilets at toilets have become mainstream.

Conventionally, this type of deodorizing apparatus has a first embodiment disclosed in, for example, JP-A-60-31719. The configuration will be described below with reference to FIG.

As shown in the figure, the main body mounted and fixed behind the toilet 30
Inside the duct 35 having an odor intake port 33 opened to the inner space 32 of the toilet 30 and the toilet 30 and an exhaust port 34 facing the inside of the toilet at the other end, a blower 38 and a ozone generator 39 composed of a fan 36 and a motor 37 are provided. Was provided. The solid arrows indicate the flow of air.

A second embodiment is disclosed in Japanese Patent Application Laid-Open No. 63-39426. The following is the fourth
This will be described with reference to the drawings.

As shown in the figure, an odor intake port 41 having a toilet seat 48 at one end and opening on the inner surface 40 of the toilet bowl, and an exhaust port 42 facing the inside of the toilet at the other end.
In a box 43 having a structure, a blower 44 composed of a fan and a motor and a high-pressure discharger 45 generate ozone, oxidize odors in a reaction chamber 46, and purify excess ozone with a catalyst 47. The solid arrows indicate the flow of air. In any of the above configurations, when the blower is driven, air flows from the suction port to the discharge port, air containing odor components at the time of defecation is sucked from the odor suction port, and when the ozone is generated, the odor components are oxidized and removed. It was discharged from the exit.

Further, as a third embodiment, there is one disclosed in JP-A-1-151627. The configuration will be described below with reference to FIG.

As shown in the figure, an odor suction port 52 having a toilet seat 50 at one end and opening on the inner surface 51 of the toilet bowl, and a fan 54 through a deodorizing unit 53
Thus, a duct 55 is formed to suck the odor and reach the toilet seat 50 downstream thereof, and the toilet seat has a discharge port 56 in a part of the toilet seat facing the inner surface 51 of the toilet. In the above configuration, when the fan 54 is driven, a flow of air from the odor intake port 52 to the discharge port 56 is generated, and the air containing the malodorous component at the time of defecation is removed by the deodorizing unit.
It is deodorized at 53 and discharged from the outlet 56 around the toilet 50. By repeating this, the deodorizing effect is enhanced.

Problems to be Solved by the Invention In such a conventional deodorizing apparatus, only the function of oxidizing and removing malodorous components with ozone is not provided, and there is no function of purifying excess ozone. There was a problem with gender.

In addition, if the decomposition efficiency of residual ozone is reduced for some reason, ozone having a high concentration may be released indoors, and there is a problem in safety.

In the above-mentioned conventional example, in any case, for example, dust generated from toilet paper or clothes generated in the inner space of the toilet enters through the odor suction port and accumulates on the internal components (holes of the oxidation catalyst), and the functional deterioration occurs. Excessive ozone generation is conceivable, but no consideration was given to this point, and there was a problem in safety.

An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide a toilet deodorizing device that utilizes ozone with a simple configuration, is highly safe for a human body, and can be used semi-permanently without replacement. Things.

Means for Solving the Problems In order to achieve the above object, the present invention provides a removable dust filter at the odor suction port and informs a person of the cleaning time of the dust filter by the air volume detecting means, without cleaning, and furthermore, The configuration is such that the ozone generating means is stopped when the air volume becomes low (clogged).

Function The present invention suctions the malodorous component and dust generated in the toilet bowl by the blower by the above configuration, but the dust is removed by the dustproof filter, and only the malodorous component is oxidized and deodorized by the ozone generated from the ozone generating unit and the catalyst. At the same time, excess ozone is reduced to oxygen and returned to the toilet. If the dustproof filter is clogged after a long use and the suction force is reduced, the air volume detecting means provided in the duct is activated to notify a person of the cleaning time of the filter by an externally provided display means. Therefore, if the cleaning is performed, the state returns to the normal state. If the cleaning is not performed, the high-concentration ozone may leak to the outside if the air volume further decreases and exceeds the reducing ability of the catalyst. Therefore, the output of the ozone generating means is configured to be stopped by the air flow detecting means and the control unit when the air flow becomes equal to or less than a certain air flow, so that a dangerous state is prevented.

For the above reasons, a deodorizing device that uses ozone with a simple configuration, is highly safe for the human body, and can be used semi-permanently without the need to replace the deodorant by simply cleaning the filter. And a safe deodorizing effect can be exhibited for a long period of time.

Embodiment An embodiment of the present invention will be described below with reference to FIG. 1 and FIG.

As shown in the figure, a body 2 of a deodorizing device mounted and fixed behind an upper surface of a toilet 1 installed in a toilet room is provided with a toilet seat 3 and a toilet lid 4 which can be opened and closed, and a toilet inner space on the lower surface of the body 2. 5, an odor intake port 6 and an exhaust port 7 are provided, and the odor intake port 6 and the exhaust port 7 communicate with each other via a duct 8 provided in the main body 2. A dust filter 9 is detachably provided at the suction port 6, and an ozone generating section 10 composed of a discharge electrode is sequentially provided from the odor suction port 6 side in the duct 8, and an ozone generating section 10 for decomposing malodorous components and treating An oxidation catalyst 11 for returning air to oxygen and purifying the same, and a blower 14 including a fan 12 and a motor 13 are provided. Further, a detecting means 15 for detecting the amount of air passing through the duct 8 is provided, and according to an output of the detecting means 15, an LED for indicating that the dustproof filter 9 is clogged and cleaning is necessary is provided. A control unit 17 for operating a display unit 16 composed of a mechanical unit is provided. The control unit 17 includes a control circuit for operating the blower 14 by detecting a person sitting on the toilet 1 with a seating detection device (not shown) and a flow rate detected by the detection unit 15. A control circuit for stopping the operation of the ozone generation unit 10 when the temperature becomes less than, or a heater 18 provided on the upstream side of the oxidation catalyst 11
A control circuit or the like for operating the controller is incorporated.

When the operation is described in the above configuration, when a person sits down on the toilet 1 during defecation, the seat detector detects the person and the blower 14 is activated by a signal from the control unit 17, and the air from the odor intake port 6 to the exhaust port 7 is discharged. Is generated, and the air containing the malodorous component at the time of defecation is sucked from the odor suction port 6 and flows through the duct 8 as shown by the arrow. The odorous components are decomposed into odorless components and a small amount of sulfurous acid gas or nitrogen oxides by the strong oxidizing action of ozone generated from the ozone generator 10 due to high voltage silent discharge or creeping discharge, and are deodorized. The excess ozone that has not been reacted is also reduced to oxygen and discharged from the outlet 7 into the toilet interior space 5. At this time, dust is also sucked at the same time as the offensive odor component. However, the dust is removed by the dust filter 9, and only the offensive odor component is purified and returned to the toilet interior space 5. Dustproof filter 9 when used for a long time
When the suction force is reduced due to the clogging, the air volume detecting means 15 provided in the duct 8 is operated, and a signal from the control unit 17 informs a person of the filter cleaning time by a display means 16 provided outside. At this time, if it is cleaned, it will return to the normal state again, but if it is not, the air volume will further decrease and the high concentration ozone will fill the inside of the duct 8, and if it exceeds the reducing ability of the catalyst, it may leak to the outside. There is. Therefore, the ozone generation unit 10 is configured to be stopped when the air volume becomes equal to or less than a certain air volume, thereby preventing a dangerous state. Also, in combination with the air volume detection means 15, the oxidation catalyst can be used without using the dustproof filter 9.
A method of heating and incineration by a heater 18 provided on the upstream side of 11 is also conceivable.

Thus, according to the embodiment of the present invention, the toilet inner space 5
The dust generated from the toilet paper and the clothes generated from the toilet does not enter through the odor suction port 6 and accumulate on the internal parts, so that the cause of excessive ozone generation is eliminated. High security
It is possible to provide a toilet deodorizing device that can be used semi-permanently without replacement of the deodorant only by a simple act of cleaning the dustproof filter 9, and a deodorizing effect can be exhibited safely over a long period of time. The components do not necessarily have to be arranged in the order shown, but may be determined by design means.

Effects of the Invention As is clear from the above embodiments, the following effects can be obtained according to the present invention.

(1) Deodorization for toilets with simple means and high safety, with no effect on the human body of residual ozone caused by the deterioration of the function of each component, which is the most problematic garbage in conventional deodorizing equipment utilizing ozone Equipment can be provided.

(2) It is possible to provide a toilet deodorizing device that can be used semi-permanently without troublesome work such as replacement of a deodorant.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a state in which a toilet deodorizing device according to an embodiment of the present invention is installed in a toilet, and FIG. 2 is a side view partially showing a state in which the toilet deodorizing device is installed in a toilet. ,
FIG. 3 is a cross-sectional view showing a state in which the conventional toilet deodorizing device of the first embodiment is installed in a toilet, and FIG. 4 is a top view showing a state in which the toilet deodorizing device of the second embodiment is installed in a toilet. FIG. 5 is a top view showing a state in which the toilet deodorizing device of the third embodiment is installed in a toilet bowl. 1 ... toilet bowl, 2 ... body, 5 ... toilet bowl inner space, 6 ...
Odor inlet 7, outlet 8, duct 9, dust filter 10, ozone generator 11, oxidation catalyst 14,
... blower, 15 ... means for detecting air volume, 16 ... ... display means, 17
... Control unit.

 ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazuaki Fujita 1006 Kazuma Kadoma, Kadoma-shi, Osaka Matsushita Electric Industrial Co., Ltd. (56) References JP-A-60-31719 (JP, A) JP-A-63 JP-A-1-151627 (JP, A) JP-A-3-111682 (JP, U) JP-A-3-40372 (JP, U)

Claims (2)

(57) [Claims] 1. A body mounted and fixed on a rear upper surface of a toilet bowl, an odor intake port and an exhaust port provided at positions facing the inner surface of the toilet bowl, and the odor intake port and the exhaust port communicating inside the main body. And a dustproof filter that is detachably provided on the suction port side of the duct, and an ozone generator, an oxidation catalyst, and a blower inside the duct,
A deodorizing device for a toilet, comprising: a detecting means for detecting an air volume inside the duct; a displaying means for displaying a clogged state of the dustproof filter; and a control unit for controlling these means. 2. The deodorizing apparatus for a toilet according to claim 1, wherein when the air volume detected by the air volume detecting device is a low air volume, the display device is operated and displayed, and the operation of the ozone generator is stopped.