JP2794852B2 - Toilet bowl with ozone deodorizer - Google Patents

Description

Description: (a) Industrial application field The present invention relates to a deodorizer for toilets, which can effectively deodorize odors with ozone.

(B) Conventional technology Conventionally, for example, a bad smell generated in a toilet bowl, that is, stool,
Ozone is used to deodorize bad odors generated during urination.

Ozone oxidizes and decomposes offensive odor components by its oxidizing action to eliminate odor. As a technology for deodorizing by incorporating such an ozone generator into a toilet bowl, Japanese Patent Application Laid-Open No.
-31719.

That is, the disclosed technology incorporates an ozone deodorizing device at the rear of the toilet, sucks the odor from the suction port and draws the odor into the device, and causes the ozone generator to come into contact with ozone generated by a discharge action, thereby Is decomposed and deodorized and discharged to an appropriate place, for example, outside the toilet.

(C) Problems to be Solved by the Invention However, such an ozone deodorizing apparatus still has the following problems to be solved.

That is, an ozone generator that generates ozone, an ozone mixing section that mixes ozone and malodor, and a catalyst that decomposes residual ozone after deodorization are disposed in the deodorization flow path of the ozone deodorizer. ing.

Such an ozone generator generates ozone by generating a high voltage from a discharge unit, and attaches a discharge unit to the deodorizing flow path and connects the high voltage generator to the discharge unit.

Further, the ozone deodorizing device has a control unit connected to a drive circuit of the high voltage generator, and the control unit controls the duty ratio of the high voltage generator and the high voltage generator to generate ozone from the ozonizer. The generation amount and the like are controlled.

With this control, for example, the concentration of residual ozone in the exhaust gas after the deodorization treatment is sufficiently reduced, thereby ensuring safety for the human body.

However, in such an ozone deodorizing apparatus, since the control unit is disposed near the high voltage generator that generates ozone, noise from the high voltage generator affects the control unit and causes malfunction. was there.

The present invention relates to a toilet with an ozone deodorizing device that can solve the above-mentioned problems.

(D) Means for Solving the Problems According to the present invention, the ozone generator is provided in the middle of the flow path between the suction port opened toward the ball portion of the toilet body and the exhaust port communicating with the suction port. In a toilet deodorizing device capable of deodorizing a bad odor in a toilet by interposing an ozone deodorizing device, an ozone generating section of the ozone deodorizing device is provided on one side of a toilet body, and the deodorizing device is provided. It is another object of the present invention to provide a toilet deodorizing device characterized in that a control unit of the ozone deodorizing device is provided on the other side of the toilet body separated from the device.

(E) Function / Effect In the present invention, at the time of defecation using the toilet, the foul odor is inhaled from the suction port and reaches the ozone generator in the ozone treatment channel.
Here, it comes into contact with the ozone generated from the ozone generator, deodorizes the ozone by the deodorizing action of the ozone, and discharges the air after the deodorization processing to the outside through the exhaust port at the other end.

Moreover, in the present invention, the ozone generator of the ozone deodorizing device is provided on one side of the toilet body, and the control unit of the ozone deodorizing device is provided on the other side of the toilet body separated from the deodorizing device. In addition, even if noise is generated from the high-voltage generator, the control unit does not receive this noise, so that malfunction of the ozone deodorizing device can be prevented.

Therefore, according to the present invention, by preventing malfunction of the ozone deodorizing device, the ozone deodorizing device can be operated accurately.

Further, since the control unit is provided on the other side of the toilet body, a storage space for the control unit is not required for each device, and the multifunctional toilet can be made compact.

(F) Example Hereinafter, the ozone deodorizing device according to the present invention will be specifically described in detail with reference to a case where an ozone deodorizing device is mounted on a toilet.

FIG. 1 is an overall perspective view showing a toilet according to the present invention, in which a local cleaning device B is disposed across an upper surface on the rear side of a stool-type toilet body A, and a functional casing 1 of the local cleaning device B is provided. Is provided with a toilet seat 2 and an openable toilet lid 3.

A hot water tank, a valve unit, and the like for supplying hot water for local cleaning are arranged in the functional casing 1, and a nozzle for local cleaning that moves forward and backward toward the ball portion a of the toilet body A. 4 is provided.

In addition to the local cleaning function, a hot air fan 5 and a hot air duct 6 for drying are provided as described later.

Further, a deodorizing duct 7 is provided near the hot air duct 6, and the deodorizing duct 7 extends into the functional unit casing 1 at the left end as shown in FIGS. Thus, an ozone treatment channel S is provided.

That is, first, the warm air fan 5 and the warm air duct 6 will be described with reference to FIG. 4, and the warm air fan 5 is disposed above the left sleeve 1-1 of the functional unit casing 1,
From the fan 5, a hot air duct 6 crawls over the upper part of the middle part 1-3 of the casing 1, and
A hot air outlet 8 is opened at a substantially central left portion of the nozzle 3.

In addition, 1-2 shows the right sleeve part of the function part casing 1, and accommodates the function part of the local cleaning device B.

As shown in FIG. 5, a deodorizing duct 7 is disposed below the hot air duct 6, and the duct 7 has a suction port 9 at a distal end thereof connected to a ball portion a of the toilet body A. It is open.

In addition, the inlet 9 of the deodorizing duct 7 is shown in FIG.
The front part and the lower part are opened, and the odor is sucked from the upper part and the lower part of the ball part a.

From the suction port 9 to the intermediate part 1-
3 and is provided in the ozone treatment channel S so as to extend to the center of the left sleeve 1-1.

An exhaust port 10 is provided in the final flow path of the ozone processing flow path S.
The exhaust port 10 is provided with a hanging chamber case 11 formed in the left sleeve 1-1 of the functional unit casing 1.
It is open on the rear side.

As described above, the ozone treatment flow path S for deodorization is the entire flow path from the suction port 9 to the exhaust port 10, and the ozone deodorization device M is interposed therebetween.
Is built in the chamber case 11.

Here, the ozone deodorizing device M will be described. The device M is provided with a fan channel case 13 containing a suction fan 12 on the upper side of the ozone processing channel S, and a deodorizing duct on the right side wall of the case 13. 7 is communicated.

In addition, the lower wall of the fan flow path case 13 communicates with the upper end wall of the ozone flow path case 14 formed in a cylindrical shape, and the exhaust port 10 is formed at the end opening of the ozone flow path case 14. ing.

Then, the ozone processing flow path S is formed in the duct from the deodorizing duct 7 to the fan flow path case 13 and the ozone flow path case 14 and in the case.

The ozone flow path case 14 includes a fan flow path case.
13 An ozone generator 15 as an ozone generator near the lower side
Is disposed, and a catalyst 16 is disposed on the lower side of the flow path.

The ozone generator 15 includes an ozonizer 17 and a heater.
The ozonizer 17 is connected to a high voltage generator 19 provided on the outer surface of the ozone flow path case 14, and the generator 19 is connected to a control unit, and the control unit I
The ozone is generated by applying a high voltage from the high voltage generator 19 to the ozonizer 17 based on the driving output from the ozone generator 17.

In the present embodiment, the drive circuit of the high voltage generator 19 is connected to the control unit I of the local cleaning device B, and the control unit I controls the voltage value applied to the ozonizer 17 and the duty ratio, etc. The amount of ozone generated is adjusted.

The heater 18 heats the ozonizer 17 to promote ozone generation.

Although the above-mentioned ozone generator 15 can be in various forms,
Preferred examples are shown in FIGS. 9a, 9b, 9c and 9d.

That is, the ozonizer 17 is formed by providing a mesh-like ozone generating electrode 17b on the surface of the ceramic substrate 17a and providing a plate-like ozone generating electrode 17c on the back surface.

On the other hand, the heater 18 is formed as a ceramic plate 18b in which a heater electrode 18a is embedded, and the plate 18b is integrally connected to a ceramic substrate 17a.

The heater electrode 18a may be directly embedded in the ceramic substrate 17a of the ozonizer 17, and in this case, the configuration of the ozone generator 15 with a heater can be made compact.

Further, the catalyst 16 disposed on the lower side promotes the decomposition of ozone into oxygen and active oxygen,
This can promote the deodorizing effect due to the mixture of ozone and the malodor.

As the catalyst 16 to be actually used, various compositions and forms can be considered, and preferably, a predetermined metal or metal oxide is supported on a carrier. Examples of the metal or metal oxide include manganese, iron, nickel, cobalt, silver, platinum, palladium, rhodium, chromium, molybdenum, lead, tungsten, copper, and vanadium, and these are used alone or in combination.

Examples of the carrier include alumina, silica, alumina-silica, bentonite, diatomaceous earth, silicon-carbide, titania, zirconia, magnesia, cordierite, mullite, activated carbon and the like, and more preferably titanium-
Examples include a binary composite oxide composed of silicon, a binary composite oxide composed of titanium-zirconia, and a ternary composite oxide composed of titanium-silicon-zirconia. Further, the shape of the catalyst is not particularly limited, and a honeycomb shape, a granular shape, a columnar shape, and other various shapes can be applied.

 In the figure, reference numeral 20 denotes a motor of the suction fan 12.

Further, in this embodiment, an ozone mixing unit 21 is provided between the ozone generator 15 as an ozone generation unit and the catalyst 16, and the mixing unit 21 includes a plurality of mixing elements 22 ( Lashing, etc.), and the mixing element 22 smoothly mixes ozone and odor.

Further, the ozone flow path case 14 communicating with the fan flow path case 13 is configured so as to be convertible into a cassette type with the ozone generator 15 and the catalyst 16 contained therein.

As shown in FIG. 3, the ozone flow path case 14 has
It is formed longitudinally in the front-rear direction,
13 is detachably connected.

In the present embodiment, a connection protrusion 23 is provided at the base end of the upper surface of the ozone flow path case 14, and a hook portion 24 is protruded at the front end of the upper surface.

On the lower surface of the fan channel case 13, a connection protrusion is provided.
A connecting recess 25 for insertion of the hook 23 is provided, and a locking portion with which the hook portion 24 is engaged is provided at a rear portion of the functional portion casing 1.
26 are provided.

Further, a communication port 14a communicating with the fan channel case 13 is provided on the upper surface of the ozone channel case 14, and when the ozone channel case 14 is attached to the fan channel case 13, the communication port 14a is opened. It matches with the communication port 13a of the fan channel case 13.

As shown in FIG. 3, a high voltage generator 19 of the ozone generator 15 is provided on the outer surface of the ozone flow path case 14, and the high voltage generator 19 is also connected to the ozone flow path case. As an integral part of 14, the replacement is made easy.

In the present invention, in the ozone deodorizing apparatus M configured as described above, the control unit I that controls the amount of ozone generated by the ozone generator 15 has the features, and the structure will be described in detail below. .

That is, the ozone deodorizing device M is provided on one side of the toilet body A, and the control unit of the ozone deodorizing device M is provided on the other side of the toilet body A separated from the deodorizing device M. I have.

In this embodiment, in FIGS. 1 and 2, the functional unit casing 1 is attached to the toilet body A, and the toilet body A
The ozone deodorizer M is housed in the left sleeve 1-1 of the casing 1 located on the left side of the casing 1, and the control unit I is housed in the right sleeve 1-2.

In the present embodiment, the functional unit of the local cleaning device B is housed in the right sleeve 1-2 of the functional unit casing 1, and the control unit I of the local cleaning device B in the right sleeve 1-2 is attached to the control unit I. The ozone deodorizing device M is controlled using the control unit of the local cleaning device B by connection.

With this configuration, by separating the ozone deodorizing device M from the control unit I, even if noise is generated from the high-voltage generator 19, the control unit does not receive the noise. Can be prevented.

Therefore, by preventing malfunction of the ozone deodorizing device, the ozone deodorizing device M by the control unit I can be operated accurately.

1 and 2, reference numeral 26 denotes an operation unit of the local cleaning device B provided on the right sleeve 1-2 of the functional unit casing 1, reference numeral 27 denotes each switch of the operation unit 26, and reference numeral 28 denotes a left sleeve 1 1 shows an auxiliary switch for trouble occurrence of the local cleaning device B provided at -1.

Hereinafter, with reference to FIG. 8, a method of deodorizing an odor generated in the toilet body A by the ozone deodorizing apparatus M having the above configuration will be described.

First, when you sit on the toilet seat of the toilet with the ozone deodorizer,
A seating sensor F provided at the rear of the toilet seat outputs a detection output to the control unit I.
To drive the suction fan 12 by the drive output from the control unit I, generate a high voltage in the high voltage generator 19, apply it to the ozonizer 17, and
Ozone is generated inside.

As a result, the malodor generated in the ball portion a of the toilet body A is sucked into the deodorizing duct 7, and is effectively mixed with ozone in the ozone mixing section 21, so that the deodorizing process is performed.

Further, since the catalyst 16 is disposed on the downstream side of the ozone mixing unit 21, when passing through the catalyst 16, the odor and the ozone are mixed to further promote the deodorizing treatment. Become.

Thereafter, the exhaust gas that has been completely deodorized is exhausted from the exhaust port 10 into the toilet space.

In this embodiment, the ozone deodorizing device M is disposed on the left sleeve 1-1 of the functional unit casing 1, and the control unit I is disposed on the left sleeve 1-2. By separating the control unit I from the control unit I, even if noise is generated from the high-voltage generator 19, the control unit does not receive the noise, so that malfunction of the ozone deodorizing device can be prevented.

Therefore, by preventing malfunction of the ozone deodorizing device, the ozone deodorizing device M by the control unit I can be operated accurately.

Reference numeral 29 denotes an ozone sensor provided near the exhaust port 10 of the ozone processing flow path S, and detects an ozone concentration in exhaust gas.

On the other hand, when the respective switches 27 of the right sleeve 1-2 of the functional unit casing 1 are operated after defecation, the nozzle 4 in the ball portion a of the toilet body A is extended, Hot water is spouted from the tip to clean the local area.

When stopping the cleaning of the local area, the right sleeve 1-2 may be used.
By operating each of the switches 27, the ejection of the hot water from the nozzle 4 is stopped, and the nozzle 4 is retracted and stored.

The ozone deodorizing device M of the present invention is not limited to the inside of the functional casing 1 but may be provided at other places, for example, at the side or the front of the toilet body A.

Further, the ozone deodorizing device M according to the present invention may be appropriately provided with a living space other than the above-described toilet, for example, a kitchen, a washroom,
It can be applied to bathrooms and living rooms.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a toilet with an ozone deodorizing device according to the present invention, FIG. 2 is an overall plan view thereof, FIG. 3 is a cross-sectional side view of a left sleeve of a functional casing, and FIG. Plan view, fifth
The figure is a front view of the same section, FIG. 6 is a plan view of a deodorizing duct, and FIG.
Fig. 8 is an explanatory view of an absorption inlet of a deodorizing duct, Fig. 8 is a plan view of an ozone treatment flow path, Fig. 9a is a perspective view of an ozonizer, and Fig. 9b.
FIG. 9C is a longitudinal sectional view, FIG. 9C is a sectional view taken along line II of FIG. 9B, and FIG.
9d is a sectional view taken along the line II-II of FIG. 9b, and FIG. 10 is a control block diagram of the ozone deodorizing device. In the figure, A: toilet body a: ball section B: local cleaning device M: ozone deodorizing device I: control section 9: suction port 10: exhaust port 15: ozone generator 17: ozonizer 19: high voltage generator

Continued on the front page (72) Inventor Ayako Hirano 2-8-1, Honmura, Chigasaki-shi, Kanagawa Prefecture Tochiki Kikai Co., Ltd. Chigasaki Plant (72) Inventor Yamasakisaki Western-style 5 Kamiami East, Kokura-Minami-ku, Kitakyushu-shi, Fukuoka Prefecture No. 1-1, Ogura No. 2 Plant of Tohoku Kikai Co., Ltd. (56) References JP-A-60-31719 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) E03D 9 / 00-9/16

Claims (1)

(57) [Claims] An ozone deodorizing device having an ozone generator is provided in the middle of a flow path between a suction port opened toward a ball portion of a toilet body and an exhaust port communicating with the suction port. In a toilet deodorization device capable of deodorizing a bad odor in a toilet, an ozone generator of an ozone deodorization device is disposed on one side of the toilet body, and the other side of the toilet body separated from the deodorization device. A deodorizer for a toilet bowl, further comprising a control unit for the ozone deodorizer.