JPH0240880Y2 - - Google Patents

Description

[Detailed description of the invention] "Field of industrial application" This invention relates to the improvement of heated toilet seats, which prevents electronic components such as the heater board and temperature control device from coming into direct contact with water, and The present invention relates to a waterproof heated toilet seat that can easily remove condensed water adhering to electronic components in a steam state, maintain the area around the electronic components in a low humidity state, and suppress dew condensation.

``Prior Art'' As shown in FIG. 3, a heated toilet seat A that has been used in the past consists of a toilet lid 10, a toilet seat 11, and a toilet seat box 1, and a heater board and a temperature control device are installed inside the toilet seat box 1. It houses electronic components such as. In order to maintain and inspect electronic components, the toilet seat box 1 is usually provided with an opening for maintenance and inspection that can be opened and closed, or the bottom surface of the toilet seat box 1 is made removable. It is.

By the way, the heated toilet seat A may be exposed to splashes of flushing water, hand washing water, etc. supplied to the toilet bowl, and some users may also wash the toilet seat 11 with water. Therefore, water enters the interior of the toilet seat box 1 by capillary action through the opening for maintenance and inspection or the gap in the removable bottom surface. The moisture that has entered the toilet seat box 1 in this way has an adverse effect on the functions of the electronic components housed inside, causing serious accidents and shortening the product life. Therefore, it is necessary to apply a waterproof seal or packing to the opening of the toilet seat box 1 or the gap at the bottom, or
Efforts have been made to prevent water from entering the toilet seat box 1, such as by attaching bushings to the portion where the toilet seat box 2 and the lead wire 13 are drawn into the toilet seat box 1.

"Problems to be Solved by the Invention" Incidentally, the heated toilet seat A is sometimes placed in a humid environment, such as when a toilet bowl is installed in a room with a bathtub. In such a case,
Even if it was possible to prevent water from entering the interior with a waterproof seal, packing, etc., it was difficult to prevent water vapor from flowing into the interior of the toilet seat box 3. This water vapor condenses to form dew water,
This may cause adverse effects on electronic components. The above-mentioned dew condensation water is vaporized as the temperature rises inside the toilet seat box 3 when the heated toilet seat A is used, but since the inside of the toilet seat box 3 is sealed waterproof as described above, the vaporized water vapor is difficult to dissipate to the outside. Therefore, the water vapor remains inside and becomes a highly humid state, so that after use of the heated toilet seat A is finished, as the temperature inside the toilet seat box 3 falls, it condenses and generates dew condensation water again.

In short, in the conventional heated toilet seat A, it is difficult to remove water vapor that has entered the interior of the toilet seat box 3, and therefore it is difficult to prevent condensed water from coming into contact with electronic components or reduce the chance of contact. I couldn't do anything.

``Means for solving the problem'' This invention prevents water from entering the interior of the toilet seat, and also easily removes condensed water that adheres to electronic components housed inside the toilet seat in the form of water vapor. It is an object of the present invention to provide a waterproof heated toilet seat that can prevent dew condensation by maintaining a low humidity state around electronic components. The feature is that the toilet seat is waterproof and heated, and is equipped with a toilet seat box that stores electronic components such as a heater board and a temperature control device. The electronic component is housed in a waterproof and airtight manner, and the watertight housing wall is provided with a moisture release window closed by a breathable waterproof material in the vicinity of the electronic component.

``Operation'' By employing the above means, the electronic components housed in the toilet seat box are housed in a waterproof and airtight manner by the watertight housing wall, so that they are protected from direct contact with water. Even if water were to flood, the electronic components would not come into contact with the water because they are installed on the upper part of the inner surface of the toilet seat box. Since the watertight storage wall is provided with a moisture release window closed by a breathable waterproof material near the electronic components, the condensed water existing around the electronic components is transferred to the outside of the watertight storage wall in the form of water vapor. It dissipates easily and does not stay inside. That is, when a heated toilet seat is used, the internal temperature rises, so that condensed water existing around electronic components evaporates and becomes water vapor. Then, the partial pressure of water vapor within the watertight storage wall increases, and due to this partial pressure difference, the water vapor passes through the breathable waterproof material and is radiated to the outside, resulting in a low humidity condition inside the toilet seat box. Therefore, even when the temperature inside the toilet seat box drops after the use of the heated toilet seat is finished, condensed water will not be generated again.

``Example'' Figure 1 shows an example of the waterproof heated toilet seat according to the present invention. It is a bottom view showing a state. Toilet seat box 1
Electronic components 3 such as a heater board and a temperature control device are installed on the upper part of the inner surface of the housing, and the electronic components 3 are housed in a watertight housing wall 4 in a waterproof and hermetically sealed double structure. The lower surface of the watertight storage wall 4 is a removable lid 5 for maintenance and inspection of the electronic components 3. A moisture release window 6 is provided on the lid 5, and the moisture release window 6 is closed with a waterproof material 7 having breathability.

As with the conventional example, bushings 14 are installed at the locations where the power cord 12 and lead wires 13 that supply power to the waterproof heated toilet seat are drawn into the interior of the toilet seat box 1, and bushings 14 are installed at the attachment points of the removable bottom plate 2. A waterproof seal or the like is applied to prevent water from entering the inside of the toilet seat box 1. However, water vapor easily penetrates through the small gap in toilet seat box 1.
It condenses inside and produces condensation water. However, according to the present embodiment, when the heated toilet seat is used, condensed water is vaporized into water vapor, and the water vapor is easily permeated through the breathable waterproof material 7 provided in the moisture release window 6. Therefore, the inside of the watertight storage wall 4 can be maintained at a low humidity state.

By the way, the above-mentioned waterproof material 7 is water vapor (diameter
The main material is a porous resin that has an extremely low water absorption rate and has countless moisture release holes with a pore size that allows water (0.2 to 0.4 μm) to pass through, but does not allow water droplets (10 to 3000 μm in diameter) to pass through. It is something. As an example,
"Microtex" (trade name: manufactured by Nitto Electric Industry Co., Ltd.) is mentioned. This has a multilayer structure by laminating a porous film made of fluororesin to a base cloth such as cotton cloth or nylon cloth, and the diameter of the moisture release holes is approximately 0.6μ.

The waterproof material 7 is pasted with a suitable adhesive to close the moisture release window 6, and as shown in FIG.
0 and the window frame portion 51, and by sandwiching the peripheral edge 7a of the waterproof material 7 into the fitting portion between the two, it is also possible to close the moisture release window portion 6. Alternatively, as shown in FIG. 3, a structure may be adopted in which the waterproof material 7 is fixed to the lid part 5 using a pressing plate 52 to close the moisture release window part 6.

In addition, "Gore-Tex" (trade name) and the like can also be used as the waterproof material 7.

FIG. 2 shows an embodiment of another aspect of the present invention. Figure a is a rear view of toilet seat box 1;
Figure b is a cross-sectional view of the toilet seat box 1 taken along line A-A. As shown in this embodiment, if it is possible to configure the outer shell of the toilet seat box 1 in a waterproof and airtight manner with the watertight storage wall 4 so that there is no water intrusion into the interior, then the electronic components 3 It is not necessarily necessary to store them in a double structure. However, since it is difficult to completely prevent the formation of condensed water due to the infiltration and condensation of water vapor, it is necessary to provide a moisture release window to discharge the condensed water that evaporates when the heated toilet seat is used. Therefore, the watertight storage wall 4
A moisture release window 6 was provided near the location where the electronic component 3 was installed, and the moisture release window 6 was closed with the waterproof material 7 described above. With this configuration, the condensed water adhering to the electronic components 3 is vaporized into water vapor by the temperature increase caused by the use of the heated toilet seat, and the water vapor is converted into water vapor by the water vapor partial pressure difference between the inside and outside of the toilet seat box 1. The moisture is radiated through the moisture release window section 6.

"Effects of the Invention" As described above, according to the present invention, the condensed water generated inside the toilet seat box can be quickly removed and discharged. In addition, there is a moisture release window blocked by a breathable waterproof material.
To maintain a low humidity condition inside a toilet seat box without trapping water vapor. Therefore, since there is no adverse effect of condensation on electronic components, etc., it is possible to prevent accidents from occurring. Furthermore, the interior of the toilet seat box, especially the area around the electronic components, is maintained in a low humidity condition, thereby extending the product life.

[Brief explanation of the drawing]

Figures 1a and 1b show an embodiment of the waterproof heated toilet seat according to the present invention. Figure 1a is a rear sectional view of the toilet seat box, and Figure 1b is a bottom view of the toilet seat box with the bottom plate removed. be. FIGS. 2 and 3 are enlarged cross-sectional views of essential parts showing another embodiment of a structure for closing the moisture release window section using a waterproof material. Figure 4 a and b
2 shows an embodiment of another aspect of the present invention; FIG. 1A is a rear view of the toilet seat box, and FIG. Figure 5 shows
It is a perspective view showing a conventional heated toilet seat. 1... Toilet seat box, 2... Bottom plate, 3... Electronic components, 4... Watertight storage wall, 5... Lid, 6... Moisture release window, 7... Waterproof material, 10... Toilet lid, 11...
...Toilet seat, 12...Power cord, 13...Lead wire, 14...Butching.

Claims (1)

[Scope of utility model registration request] A waterproof heated toilet seat equipped with a toilet seat box for storing electronic components such as a heater board and a temperature control device, wherein the electronic components are installed on the upper inner surface of the toilet seat box and are housed in a waterproof and airtight manner by a watertight storage wall. A waterproof heated toilet seat, characterized in that the watertight storage wall is provided with a moisture release window closed by a breathable waterproof material in the vicinity of the electronic components.