JP7576254B1 - Portable toilet - Google Patents

Abstract

[Problem] The objective is to provide a portable toilet that is hygienic and safe. [Solution] The portable toilet is characterized by having a toilet bowl, a treatment tank for decomposing and treating excrement, and an ozone generator that supplies ozone to the space of the treatment tank, and an ion generator that supplies ions. [Selected drawing] Figure 1

Description

The present invention relates to a simple, temporary toilet.

Temporary portable toilets are not only needed at civil engineering and construction sites and event venues, but are also desirable in evacuation shelters and other locations during emergencies such as disasters when lifelines such as water, sewage, and electricity may be cut off.
However, in cases where there is no sewer system nearby, for example in prolonged evacuation situations, portable toilets not only need sterilization and deodorization functions to remove dirt and odors, but also the ability to be used safely.
For example, Patent Document 1 discloses a technique for storing small wood chips in a treatment tank on which microorganisms that decompose human waste are propagated, but the decomposition process takes time and the resulting odor is difficult to deal with.

JP 2005-305008 A

The present invention aims to provide a simple toilet that is hygienic and safe.

The portable toilet of the present invention is characterized by having a toilet bowl, a treatment tank for decomposing and treating excrement, an ozone generator for supplying ozone to the space in the treatment tank, and an ion generator for supplying ions.

By supplying ozone or ions directly into the space of the treatment tank, the concentration of ozone or ions in the treatment tank, which is the source of odor, can be increased, resulting in a sterilizing and deodorizing effect.For example, an ozone generator or ion generator can be installed without affecting the structure of the toilet itself.
In the present invention, the treatment tank preferably has a sludge layer and an ozone-containing membrane layer formed on the upper side of the sludge layer.
By forming a membrane layer containing ozone on the upper side of the sludge layer, the membrane layer can prevent the odor from the sludge layer from flowing back toward the toilet room, making it easier to achieve a deodorizing effect.

In the present invention, the toilet has a drain outlet formed at the bottom of the bowl portion, and has a flapper valve at the lower end of the drain outlet, and it is preferable that the abutment portion of the flapper valve with the drain outlet is made of a silicone material or is coated with silicone.
This improves the durability and dirt-resistant effect of the flapper valve, making it easier to close the exhaust port with the flapper valve and more likely to prevent odors from flowing back into the toilet room.

In the present invention, the ion generating device may have an ion generating section having a cavity formed therein, the cavity extending from one end to the other end of the ion generating section.
For example, the ion generating unit may be a double cylinder composed of an outer metal and an inner metal, with a different substance (e.g., ore or ceramic) contained between the outer metal and the inner metal, and a hollow portion extending from one end to the other end inside the inner metal.
By providing the hollow portion inside the ion generating portion, ions can flow, making it easier to supply the ions to the treatment tank.

The portable toilet of the present invention provides sterilization and deodorization effects within the treatment tank by supplying ozone and ions directly to the treatment tank, and the ozone and ions can be supplied to the living space, making them highly safe for the human body and the environment in which the portable toilet is installed.

1 shows an example of the configuration of a portable toilet according to the present invention. A plan view of the toilet bowl is shown. 4 shows an example of the structure of an ion generating unit.

An example of the configuration of a portable toilet according to the present invention will be described with reference to FIG.
However, the present invention is not limited to this.
A toilet bowl 10 is installed in a portable toilet room 1a, and a treatment tank 20 is provided below the toilet bowl.
The treatment tank 20 may be provided, for example, under the floor inside the toilet room 1a, with a part of it being located outside the toilet room 1b. The "toilet room" here refers to a closed space where people use the toilet 10.
For example, an ozone generator 30 and an ion generator 40 may be provided outside the toilet room 1b so as to communicate with the treatment tank 20.
This allows easy maintenance and management of each generating device from outside the toilet, and the devices can be installed without affecting the structure of the toilet bowl or interfering with toilet users.

This embodiment is an example of a simple flush type toilet that uses a water supply tank 11 to flush the bowl portion 10a of the toilet, and a drain outlet 10b is formed at the bottom of the bowl portion 10a, with a flapper valve 12 provided at the lower end of this drain outlet.
By opening and closing the flapper valve 12, the lower end of the discharge port 10b is opened or closed.
When the lower end of the discharge port 10b is opened, waste flows down into the treatment tank 20.
There are no particular restrictions on the shape of the flapper valve 12 as long as it is capable of closing the lower end of the exhaust port 10b, but from the standpoint of preventing odors from flowing back from the treatment tank 20, it is preferable that the contact portion 12a with the exhaust port 10b be at least made of a silicone material or painted with silicone.
This makes it easier to ensure durability, and since it also has water repellency, it is less likely to get dirty.
In this embodiment, as shown in FIG. 2, a flapper valve 12 has a substantially circular contact portion 12a (made of silicon) on its periphery.

The treatment tank 20 preferably has a sealed structure.
A sludge layer 21 is formed on the bottom side of the treatment tank.
For example, microorganisms having both aerobic and anaerobic decomposition properties may be added, and the sludge layer may include a separation layer with a high moisture content at the top.
Ozone is supplied from an ozone generator 30 and ions (e.g., negative ions) are supplied from an ion generator to the space 22 above the sludge layer 21 via connecting pipes 31 and 41, respectively.

The ozone generator 30 sends the generated ozone to the space 22 of the treatment tank through a connecting pipe 31 by means of an air supply means such as a fan or a pump.
The connecting pipe 31 has a seal structure to prevent odor leakage.
For example, by connecting the treatment tank 20 and the connecting pipe 31 outside the toilet room 1b, the connection state can be easily checked, and the work is easier than assembling the treatment tank inside the toilet room where space is limited.
Ozone can provide, for example, sterilization and deodorization effects, but since there is a possibility that odors will leak out if the pressure in the treatment tank increases, it is preferable to supply air to the extent that the space 22 is filled with air containing ozone, and by forming the space 22 above the sludge layer 21 into a membrane layer containing ozone, it is easy to prevent the odor of the sludge layer 21 from rising.

The ion generating device 40 can remove, for example, floating bacteria by discharging the generated ions into the space 22 of the treatment tank via a connecting pipe 41 having a sealed structure by means of an air supply means.
The ion generating device 40 may have an ion generating section 42 that generates a weak current and has a substantially cylindrical shape, as shown in FIG. 3( a ), for example.
The ion generating unit 42 is a double cylinder composed of an outer metal M1 and an inner metal M2, as shown in the cross-sectional schematic diagram of FIG. 3(b), for example, and both ends are closed with caps 42a made of metal M1. A different substance X, such as ore or ceramic, is contained between the outer metal M1 and the inner metal M2, and a hollow portion 42b is formed inside the inner metal M2.
It is preferable that the hollow portion 42b extends toward the caps at both ends (from one end to the other end).
It is believed that the ion generating section generates a weak current due to a contact electrical phenomenon based on the potential difference caused by contact between ore and ceramic, and a magnetic field is generated around the weak current flowing, and a voltage is applied to generate an electric field around it, which causes negative ions to be emitted to the outside.It is also believed that the presence of hollow section 42b causes a flow of ions.
Examples of the metals M1 and M2 include stainless steel, copper, and aluminum alloys. Examples of the ores include gabbro, diorite, syenite, granite, and tourmaline. Examples of the ceramics include glass ceramics. However, known materials may be used, and the dissimilar materials may be two types of metals.

10 toilet bowl 20 treatment tank 30 ozone generator 40 ion generator

Claims (1)

The present invention relates to a toilet, and more particularly to a treatment tank having an airtight structure for decomposing and treating excrement, an ozone generator for supplying gaseous ozone to the treatment tank, and an ion generator for supplying gaseous ions to the treatment tank .
The treatment tank has a sludge layer on the bottom side and a sealed space on the upper side, a membrane layer containing ozone is formed above the sludge layer, and gaseous ions are supplied to the space,
The toilet bowl has a drain outlet formed at the bottom of the bowl portion, and a flapper valve at the lower end of the drain outlet, and the flapper valve has a silicone material or a silicone coating at the contact portion with the drain outlet to prevent backflow of odors .

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