JP3456086B2 - Deodorizing / dust collecting device for toilet - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a deodorizing / dust collecting device for a toilet.

[0002]

2. Description of the Related Art Conventionally, in a deodorizing device for a toilet, as shown in FIG.
As shown in (1), there is known a device configured to remove a malodorous component emitted from the toilet bowl 1 due to stool or urination by a deodorizer 5 attached to the side surface of the wash water tank 3. This is to remove the malodorous components in the toilet tank 1 from the respective cleaning water outlets 7 of the toilet tank 1 by the fan of the deodorizer 5 through the cleaning water pipe 9, the overflow pipe 11 of the tank 3, the connecting pipe 13 and the flexible hose 15 to the deodorizer 5 The deodorant is introduced into the deodorant inside, and the deodorized air is exhausted from the exhaust port 17 of the deodorizer 5.

[0003]

By the way, in the above-mentioned toilet deodorizing device, since the deodorant in the deodorizer 5 has a life, it is necessary to replace it regularly. Moreover, when smoked in the toilet room, the cigarette smoke is sucked into the deodorizer 5 together with the malodorous components, and the particles of the cigarette smoke adhere to the deodorant and cover the surface of the deodorant. The life could be shortened.

Therefore, an object of the present invention is to obtain smoke of cigarettes together with malodorous components generated from stools, urination, etc.
This is to provide a deodorizing / dust collecting device for a toilet, which does not lower the deodorizing performance or replace the deodorizing agent and also has a dust collecting function.

[0005]

A deodorizing and dust collecting apparatus for a toilet according to the present invention accumulates at least a part of water for use in the toilet, and a fresh water source is provided each time the accumulated water is sent to the toilet. A predetermined voltage is applied between the water storage unit to which water is supplied and the water stored in the water storage unit, and a discharge electrode that causes a corona discharge between the water and the discharge electrode is stored. An air flow generating unit that guides air in the toilet room is provided in a space facing the surface of the water.

The water accumulated in the water storage section deodorizes the malodorous components in the toilet room and collects the particles of pollutants contained in the air when a predetermined voltage is applied between the water and the discharge electrodes. It functions as an electrode. The water accumulated in the water storage unit is replaced with new water supplied from the water supply source every time it is sent to the toilet as flush water. The discharge electrode causes a corona discharge between the discharge electrode and the water accumulated in the water storage unit, which causes deodorization and dust collection of the air in the toilet room sent to the space facing the discharge electrode and the water surface in the water storage unit. I do.

Therefore, according to the present invention, the water accumulated in the water storage portion is replaced with new water supplied from the water supply source every time it is sent to the toilet as wash water, so that the water storage portion is cleaned. No special cleaning work or parts replacement work is required. Moreover, even if the smoke of the cigarette is sucked, the deodorizing performance is not deteriorated thereby.

In a preferred embodiment according to the present invention, a needle electrode is used as the discharge electrode. This is because, by adopting a needle-shaped electrode, an extremely high electric field appears at the tip of the needle due to corona discharge, and ionic wind is generated, so the dust collection performance and deodorization performance are improved. A wire electrode or a flat plate electrode may be used as the discharge electrode.

In another preferred embodiment of the present invention, the water storage section is provided in a wash water tank for supplying wash water to the toilet. Further, the air flow generating means includes a pipe connecting the toilet and the wash water tank, and the wash water tank.
Air in the toilet room is guided to the space through a pipe connecting the water storage section .

In another preferred embodiment according to the present invention, the water storage section is provided in a wash water tank for supplying wash water to the toilet, and the air flow generating means is provided in the wash water tank. The air in the toilet room is guided to the space through an air suction port provided in the discharge electrode mounting plate arranged at a portion facing the water surface of the water stored in the water storage section. This is for improving the efficiency of inhaling air in the toilet room, which makes it easier to inhale tobacco smoke generated by smoking while using the toilet.

Furthermore, in another preferred embodiment according to the present invention , a wire electrode provided facing the air suction port is used as a discharge electrode, and the wire electrode is provided in a space facing the water surface of the water stored in the water storage section. Is provided with a flat plate electrode to which a voltage having the same polarity as that of the wire electrode is applied as a counter electrode facing the water surface of the water accumulated in the water storage section. As a result, the particles contained in the sucked air are charged to the same polarity as the flat electrode by the wire electrode and become charged particles, and the repulsive force acts between the charged particles and the flat electrode to attach the charged particles to water. It will be easier.

[0012]

[0013]

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

FIG. 2 is a partial sectional view showing a main part of a toilet deodorizing / dust collecting apparatus according to an embodiment of the present invention. FIG. 3 is a sectional view taken along the line AA 'of the apparatus of FIG. Is the B of the device of FIG.
-B 'sectional view.

The above-mentioned apparatus is used for the washing water tank 3 shown in FIG.
An air purifying chamber 19 occupying an upper part of the inside, a water receiving portion 21, an overflow pipe 23, a discharge electrode 25, a blower 27, an exhaust port 29 and A provided in the air purifying chamber 19, respectively.
And a C power supply 31.

The air purifying chamber 19 has a partition plate 33 formed in an upper portion of the wash water tank 3 for horizontally partitioning the inside of the tank 3 as a bottom surface, and is mounted on an upper end portion of the wash water tank 3. The bottom surface of the hand-washing sink 37 to be placed is the top surface.

As shown in FIG. 1, a hand-washing faucet 39 is attached in the approximate center of the hand-washing sink 37 near the rear end. A drain pipe 41 is attached to the bottom of the sink 37 at a substantially central portion thereof so as to project downward by a predetermined length.
As shown in FIG. 4, an L-shaped air guide wall 43 extending in a direction perpendicular to the drain pipe 41 is provided. As shown in FIG. 1, an overflow pipe 23 is attached to a portion near the center of the partition plate 33 in a state of protruding vertically by a predetermined height. The upward projection height of the overflow pipe 23 is set so that the upper end portion of the overflow pipe 23 substantially coincides with the lower end portion of the drainage pipe 41.

The water receiving portion 21 is formed by a partition plate 33 and a portion of the inner peripheral surface of the wash water tank 3 above the partition plate 33. The water level in the water receiving portion 21 is the overflow pipe 23. The height is constantly controlled to a predetermined height according to the protruding height in the upward direction. That is, the water 51 stored in the water receiving portion 21 is replenished each time new water flows from the faucet 39 for hand washing through the sink 37 and the drain pipe 41.
1 and is drained into the tank 3 through the overflow pipe 23. Therefore, the water receiving portion 21 is the faucet 3 for hand washing.
Each time 9 is used, it will be cleaned with fresh water.

An electrode group composed of a plurality of needle-shaped electrodes is used as the discharge electrode 25. The discharge electrode 25 is mounted above the partition plate 33 by a mounting plate 45 provided in parallel with the partition plate 33. A gap 47 is formed between the water surface of the water receiving portion 21 and the water surface.
Are held so as to face each other at a predetermined distance. The size of the gap 47 is such that corona discharge and ionic wind are generated from the tip of the discharge electrode 25 toward the water 51 in the water receiving portion 21, and the water splashes from the drain pipe 41 into the water receiving portion 21. Is set to a distance that does not cover the tip of the discharge electrode 25.

As shown in FIG. 4, the mounting plate 45 is formed in the same shape as the planar shape of the wash water tank 3, and the drainage pipe 41 and the air guide wall 43 are penetrated through the L-shaped mounting plate 45 at a substantially central portion thereof. It has a V-shaped cutout hole 49. Mounting plate 45
Also has a circular air suction port 53 for allowing the blower 27 to suck the air in the gap 47 at a site opposite to the site corresponding to the overflow pipe 23.

Between the discharge electrode 25 and the water 51 stored in the water receiving portion 21 to function as a dust collecting electrode, the water 51 from the DC power source 55 is positive and the discharge electrode 25 is negative.
For example, a DC voltage of about 5 to 15 KV is applied.
By applying this DC voltage, water 5
A corona discharge is generated toward No. 1 and dust and malodorous components are removed by this corona discharge and the electric field (discharge electric field) generated between the discharge electrode 25 and the water 51. The process of collecting dust and removing malodorous components will be described in detail later.

Above the water receiving portion 21, a space portion 49 is formed by the sink 37, the mounting plate 45, and the inner peripheral surface of the tank 3. In the space 49, a blower 27 and an AC power source 31 that is a drive power source for the blower 27 are provided in a sink 37.
It is provided in a state in which sufficient waterproofing measures are taken so as not to be exposed to water and its splashes flowing into the tank 3 through the drainage pipe 41. Further, in the space 49, the blower 2
A plurality of exhaust ports 29 are formed at substantially equal intervals on the side wall of the tank 3 corresponding to the installation positions of the air conditioners 7.
The air sucked in and passing through the gap 47 is discharged.

As shown in FIG. 3, the blower 27 is formed in a spiral shape as viewed from above, and has an AC motor (not shown) and an air suction fan (not shown) driven by this AC motor. Is equipped with. The AC motor is driven by the AC power supply 31. The air suction fan sucks the air in the toilet bowl 1 and its surroundings into the air cleaning chamber 19 through the wash water outlet 7, the wash water pipe 9 (see FIG. 1), and the overflow pipes 11 and 23, and Exhaust from the exhaust port 29.

Next, the deodorizing process of the malodorous components generated from the toilet bowl 1 and its surroundings in the toilet deodorizing / dust collecting apparatus having the above-mentioned configuration will be described with reference to the drawings.

When the blower 27 is driven, the air flow containing the malodorous components generated from the toilet bowl and its surroundings due to stool or urination, and particles such as dust and cigarette smoke is the same as that described with reference to FIG. From the flush water outlet on the upper part of the toilet tank, the flush water flows into the overflow pipe 11 in the tank 3. Then, the air flow containing the malodorous components and particles flows into the air purifying chamber 19 from the overflow pipe 11 through the tank 3 and the overflow pipe 23, as indicated by a thick arrow in FIG.

The air flow containing the malodorous components and particles is first guided by the air blower 27 and swung counterclockwise in the gap 47 by being guided by the air guide wall 43 as indicated by a thick arrow with a broken line in FIG.

During this turning, the malodorous components are discharged to the discharge electrode 25.
~ Water 51 from discharge electrode 25 with corona discharge between water 51
Is struck against the surface of the water by the ionic wind generated toward the water and melts into the water 51, thereby deodorizing. The malodorous component is the energy of the discharge of the electrons emitted by the corona discharge (the energy obtained by being accelerated by the discharge electric field).
It is also deodorized by colliding with the gas molecules of the malodorous component and proceeding the decomposition reaction of the gas molecules. If a higher deodorizing performance is desired, a high frequency AC voltage may be applied to the discharge electrode to accelerate the decomposition reaction of the gas molecules of the malodorous component.

On the other hand, the particles are charged by the corona discharge generated between the discharge electrode 25 and the water 51 to become charged particles, and are subjected to the Coulomb force by the electric field generated between the discharge electrode 25 and the water 51. Then, due to the Coulomb force and the above-mentioned ionic wind, it is carried from the discharge electrode 25 side toward the water 51 which is the dust collecting electrode, adheres to the water surface and dissolves in the water 51. Therefore, there is no risk that particles once attached to the water surface will be scattered into the air again, and a good dust collecting effect can be obtained.

In this way, the air flow containing the malodorous components and particles is sucked into the gap 47 by the air blower 27, and the deodorization and the dust collection are simultaneously performed in the gap 47. The air flow after deodorization and dust collection is performed by the blower 27.
Is sucked into the space 49 through the air suction port 53. The airflow sucked into the space 49 is sucked into the blower 27 together with the airflow that swirls counterclockwise in the space 49 by the air guide wall 43 (shown by a thick arrow in FIG. 3), and then the exhaust port. Exhausted from 29.

On the other hand, both the malodorous component and the particles dissolve in the water 51 accumulated in the water receiving portion 21, so that the water surface is covered with the malodorous component and particles.

However, the dirty water 51 is made to flow from the washing pipe to the toilet bowl via the overflow pipe 23, the tank 3 and the overflow pipe 11 by new water discharged from the faucet 39 each time the toilet is used. Therefore, the water receiving portion 21 is automatically cleaned, and the water receiving portion 21
The water 51 accumulated inside is also replaced with new water before the dirt becomes severe and the deodorizing performance and the dust collecting performance deteriorate.

As described above, according to the embodiment of the present invention, the malodorous component contained in the air in the toilet room is dissolved in the water 51 by the action of ionic wind,
Deodorization is performed by the progress of the decomposition reaction of gas molecules by the action of corona discharge. On the other hand, particles contained in the air in the toilet room are collected by being dissolved in the water 51 by the action of corona discharge or ionic wind. Therefore, deodorization and dust collection can be performed simultaneously.

Further, the water 51 functioning as a dust collecting electrode is
Even if the toilet is contaminated by deodorization or dust collection, it is replaced with clean water discharged from the faucet 39 each time the toilet is used, and the contaminated water 51 is flushed to the toilet tank.
The water receiver 21 will be automatically cleaned. Therefore, the water 51 stored in the water receiving portion 21 is also replaced with new water before the dirt becomes severe and the deodorizing performance and the dust collecting performance deteriorate.

Therefore, unlike the conventional deodorizers and air purifiers, troublesome operations such as filter cleaning and replacement are unnecessary, and replacement parts are also unnecessary.
Further, even if the user smokes in the toilet, since the dust collecting electrode is the water in the water receiving portion 21, it can be replaced with new water by using the faucet 39 for hand washing, so that the deodorizing performance is deteriorated. There is no fear. Therefore, like a deodorizer using a deodorant, the deodorizing performance sharply decreases due to smoking, and it is difficult to deodorize cigarette smoke, and it is also difficult to deodorize malodorous components emitted from the toilet bowl. There are no points.

In the above embodiment, the discharge electrodes 25-
Although a DC voltage of about 5 to 15 KV is applied between the water 51, an AC voltage may be applied instead of the DC voltage. Since the corona discharge is also affected by the space charge in the discharge space (the gap 47 in the present embodiment), when an AC discharge is generated by applying an AC voltage to the discharge space, the voltage is applied to the discharge space. Due to the varying voltage, the space charge is overcome and a stronger discharge is obtained. In this case, since the ionic wind flows from the side with a strong electric field to the side with a weak electric field, the direction of the ionic wind does not change even when an AC voltage is applied.

FIG. 5 is a partial sectional view showing a main part of a toilet deodorizing / dust collecting apparatus according to a modification of the above embodiment.

As shown in the figure, the above apparatus forms air containing particles of offensive odor components and pollutants in the toilet room, mainly on the side wall of the air cleaning room 63 provided above the wash water tank 61 at substantially equal intervals. The present embodiment is different from the above embodiment in that the air is taken in through the plurality of air intake ports 65. This is not only for the purpose of simply deodorizing the malodorous components from the toilet bowl, but also for the purpose of more efficiently sucking and purifying the smoke of cigarettes filled in the toilet room.

From this point of view, the wire electrode 6 serving as a discharge electrode is provided in the vicinity of the air suction port 65 of the air cleaning chamber 63.
7, the water receiving portion 69 occupying the bottom of the air cleaning chamber 63
A flat plate electrode 73 facing each other with a predetermined gap 71 is used as a counter electrode. Then, a DC voltage of about 5 to 15 KV is applied from the DC power supply 75, with the discharge electrode 67 and the counter electrode 73 being positive and the water 77 in the water receiving portion 69 being negative.

A configuration other than the above, that is, the air cleaning chamber 63 is provided with a flat plate electrode mounting plate 74 for a blower 79 and its driving power source 8
Regarding the point that the space portion 83 that accommodates 1 so as not to be covered with water is divided into the space portion that the plate electrode 73 and the water 77 in the water receiving portion 69 face each other with the gap 71 in between, It is similar to the form.

Further, the water discharged from the faucet for hand washing 85 flows into the water receiving portion 69 through the sink 87 and the drain pipe 89, whereby the dirty water 77 in the water receiving portion 69 is discharged from the overflow pipe 72 into the tank 61. The fact that it is replaced with new water by being discharged inside is also the same as in the above embodiment.

Further, as shown by the thick arrow in FIG. 5, the airflow flowing in from the air suction port 65 is guided to the gap 71 by the blower 79 and after being purified in the gap 71, the air suction port in the wash water tank 61. The point that the air is discharged from a plurality of air discharge ports 91 formed in a portion different from 65 is also the same as in the above embodiment.

The reason why the positive voltage is applied to the discharge electrode 67 and the counter electrode 73 and the negative voltage is applied to the water 77 is that particles in the air flow flowing in from the air suction port 65 are positively charged by the discharge electrode 67. Are charged, the charged particles and the counter electrode 7
This is because the repulsive force acts on the particles 3 and the particles easily adhere to the water 77.

In this modification, the discharge electrode 67, the counter electrode 73, and the DC power supply 75 are provided in the air cleaning chamber 63. However, a bad odor component having a high solubility in water 77, such as NH3 generated from the toilet bowl, is used. In the case of deodorizing, a certain amount of deodorizing is performed as a deodorizer by simply flowing an air flow containing these malodorous components into the vicinity of the water receiver 69 without using the discharge electrode 67, the counter electrode 73, and the DC power supply 75. The effect can be obtained.

In this modification, a flat plate electrode is used as the counter electrode 73, but a needle electrode or a wire electrode may be used instead of the flat plate electrode.

Further, in this modification, a positive voltage is applied to the discharge electrode 67 and the counter electrode 73, and a negative voltage is applied to the water 77, but a negative voltage is applied to the discharge electrode 67 and the counter electrode 73. A positive voltage may be applied to the water 77.
When a negative voltage is applied to the discharge electrode 67 and the counter electrode 73, a relatively stable discharge can be obtained and a relatively strong ionic wind can be obtained.

It should be noted that the above description is only related to one embodiment of the present invention and does not mean that the present invention is limited to the above description.

[0047]

As described above, according to the present invention,
Even if the smoke of cigarettes is sucked together with the malodorous components generated from stool or urination, the deodorizing performance is not deteriorated or the deodorizing agent is not replaced, and the deodorizing / collecting function for the toilet is also equipped with a dust collecting function. A dust device can be provided.

[Brief description of drawings]

FIG. 1 is a perspective view of a conventional toilet deodorizing / dust collecting device.

FIG. 2 is a partial cross-sectional view showing a main part of a toilet deodorizing / dust collecting device according to an embodiment of the present invention.

3 is a cross-sectional view taken along the line AA ′ of the apparatus of FIG.

4 is a cross-sectional view of the device of FIG. 2 taken along the line BB ′.

FIG. 5 is a partial cross-sectional view showing a main part of a deodorizing / dust collecting device for a toilet according to a modified example of the embodiment.

[Explanation of symbols]

3,61 Wash water tank 11,23,72 Overflow pipe 19, 63 Air clean room 21, 69 Water receiver 25, 67 Discharge electrode 27, 79 blower, 29, 91 Exhaust port 37,87 Hand wash sink 39,85 Hand wash tap 41, 89 drainage pipe 47, 71 gap 51, 77 water 53 Air suction port 55, 75 DC power supply 65 Air inlet 73 Counter electrode (plate electrode)

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁷ Identification symbol FI B03C 3/41 B03C 3/41 B C E03D 9/00 B E03D 9/00 B01D 53/34 116Z (72) Inventor Kiyo Fujino Fukuoka 2-1-1 Nakajima, Kokurakita-ku, Kitakyushu, Tochigi Co., Ltd. (56) References JP-A-4-108928 (JP, A) JP-A-2-198651 (JP, A) JP-A-8 -108028 (JP, A) Actual Kaihei 4-30169 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) B03C 3/00-3/88 E03D 9/00-9/16

Claims (7)

(57) [Claims] 1. A deodorizing / dust collecting device for a toilet for deodorizing / dust collecting air in a toilet room, which stores at least a part of water for use in the toilet,
A predetermined voltage is applied between the water stored in the water storage unit, where new water is supplied from the water supply source every time the stored water is sent to the toilet, and corona discharge is generated between the water and the water storage unit. A deodorizing / dust collecting device for a toilet, comprising: a discharge electrode for generating the above; and an air flow generating unit for guiding the air in the toilet room in a space facing the discharge electrode and the surface of the accumulated water. 2. The deodorizing / dust collecting device for a toilet according to claim 1, wherein the discharge electrode is a needle electrode. 3. The toilet deodorizing and dust collecting apparatus according to claim 1, wherein the discharge electrode is a wire electrode. 4. The toilet deodorizing / dust collecting apparatus according to claim 1, wherein the discharge electrode is a flat plate electrode. 5. The deodorizing and dust collecting apparatus for a toilet according to claim 1, wherein the water storage section is provided in a wash water tank for supplying wash water to the toilet, and the air flow generating means is a toilet. A deodorizing / dust collecting device for a toilet, wherein air in a toilet room is guided to the space through a pipe connecting the wash water tank and a pipe connecting the wash water tank and the water storage section. 6. The deodorizing / dust collecting device for a toilet according to claim 1, wherein the water storage section is provided in a wash water tank for supplying wash water to the toilet, and the airflow generating means is the wash. A toilet for guiding the air in the toilet room to the space from an air suction port provided in a discharge electrode mounting plate arranged at a portion of the water tank facing the water surface of the water stored in the water storage section Deodorizing / dust collecting device. 7. The deodorizing / dust collecting device for a toilet according to claim 6, wherein the discharge electrode is a wire electrode provided facing the suction port, and the space is accumulated in the water storage section. A deodorizing / dust collecting device for a toilet, characterized in that a flat plate electrode to which a voltage having the same polarity as that of the wire electrode is applied is provided as a counter electrode facing the water surface of the water.