JPH11225901A - Stool heating device for bathroom - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stool heating device for a bathroom by which the bathroom can be used without feeling cold even if the bathroom is not equipped with a floor-heating device. SOLUTION: A primary coil 30 connected to an AC power source 33, a control circuit 35 for controlling the energization and cutoff thereof, and a lead switch 34 are arranged in a prescribed position under the water-proof pan 10 of a bathroom. On the other hand, a heater energization circuit 42 and a magnet 44 are incorporated in a stool 22 for a bathroom on the upside of the water- proof pan 10, and the stool is set so that the magnet 44 is positioned on the upside of the lead switch 34. Thus, the primary coil 30 is brought into the energized condition, and also the heater energizing circuit 42 is electrified by the mutual induction between the primary coil 30 and a secondary coil 38 to heat a heater 40, so that the stool 22 for the bathroom can be heated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a chair heating device for heating a chair in a bathroom.

[0002]

2. Description of the Related Art
Floor heating devices for heating the bathroom floor itself are known.
By the way, when washing a body in a washing room or the like in a bathroom, it is often the case that a bathroom chair is placed in the washing room and the same work is performed while sitting in the bathroom.

[0003] In this case, when the chair is cold, the user feels discomfort when sitting on the chair. Therefore, people often sit in the bathtub before sitting in a chair. However, when the hot water in the bathtub is still hot, it is not possible to sit on the chair until it is cooled to a suitable temperature and put on the chair. In particular, the elderly and those with weak legs want to sit in a chair quickly.

[0004]

SUMMARY OF THE INVENTION The bathroom chair heating device of the present invention has been devised in view of such circumstances. According to the first aspect of the present invention, there is provided a chair heating device including a primary coil connected to an AC power supply and a control circuit for controlling energization / stop of the primary coil at a predetermined position below a waterproof floor of a bathroom. While the detection unit is disposed, the bathroom chair above the waterproof floor is provided with a heater energizing circuit including a secondary coil paired with the primary coil and a heater for heating the chair, and an object corresponding to the detection unit. A detection unit is provided, and the chair is set on the waterproof floor so that the detected portion is located above the detection unit, so that the primary coil is energized and the primary coil and the secondary coil are set. With the mutual induction action with the above, the heater is energized by heating the heater energizing circuit to generate heat,
Accordingly, the bathroom chair is warmed.

[0005] A chair heating apparatus according to a second aspect is characterized in that, in the first aspect, the heater energizing circuit and the detected part are built in the chair.

The chair heating apparatus according to claim 3 is based on claims 1 and 2.
In any one of the above, the chair is a chair with legs, the secondary coil and the detected part are disposed inside the legs, and the heater is disposed below a seat surface of the chair. It is characterized by.

[0007]

As described above, in the bathroom chair heating apparatus of the first aspect, the bathroom chair is provided with a heater energizing circuit including a secondary coil and a heater for heating the chair, while the waterproof floor of the bathroom is provided. A primary coil connected to an AC power supply is arranged at a predetermined position below the chair, and the chair is set at a predetermined position on the waterproof floor, and the detection part provided on the chair is detected by the detection part below the waterproof floor. By detecting, the primary coil is energized and the mutual induction between the primary coil and the secondary coil energizes the heater energizing circuit including the secondary coil, causing the heater to generate heat. According to the present invention, the chair can be heated in advance by setting the chair at a predetermined position.

[0008] When the bathroom is used, the chair can be brought to a desired position such as in front of a faucet in a washing room and used. In that case, you do not need to do operations such as applying hot water in the bathtub to the chair, you can sit on a warm chair from our office, use the chair comfortably without feeling cold, and do work such as body washing It can be carried out.

[0009] Also, since the chair is warmed from our office without any operation such as putting hot water in the bathtub on the chair,
The elderly and those with weak legs can sit on a warm chair without waiting. On the other hand, when the chair has been used, it is set at the original position, that is, at the predetermined position, so that the heater can be energized again and the chair can be warmed.

[0010] In the chair heating apparatus of the present invention, the heater can be heated by heating the heater in a state where the heater power supply circuit is disconnected from the power supply. Therefore, a power supply is provided in the bathroom and the heater is connected to the power supply. In addition to the above, there is no danger of electric leakage in the bathroom, and in addition, a bathroom chair having a heating function can be freely moved in the bathroom in a cordless state. Further, according to the present invention, there is also an advantage that moisture attached to the chair evaporates quickly due to the heat generated by the heater, and the chair is less likely to be stained with mold or the like.

In the present invention, the heater energizing circuit and the detected part can be built in the chair (Claim 2). By doing so, the waterproofness of the heater energizing circuit and the detected part can be improved. It can be easily secured.

In the present invention, the chair is formed as a chair with legs, and the secondary coil and the detection portion are arranged inside the legs, and the heater is arranged below the seat surface. (Claim 3). By doing so, the secondary coil can be brought as close as possible to the primary coil on the underwater floor side, and the heater energizing circuit (including the secondary coil from the primary circuit including the primary coil) Power can be efficiently supplied to the secondary circuit). In addition, since the detected part of the chair above the waterproof floor can be made as close as possible to the detecting part below the waterproof floor, detection of the detected part, that is, detection of the chair, can be performed with high accuracy.

In the present invention, the detecting section can be constituted by a reed switch, and the detected section can be constituted by a magnet. Further, by arranging the heater and the magnet so that the magnet is heated by a part of the heater, the magnetic force of the magnet is lost when the heater is overheated, so that the power supply to the heater can be stopped.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1A shows a unit bus.
In the figure, reference numeral 10 denotes a waterproof pan constituting a waterproof floor of a bathroom.
Reference numeral 2 denotes a wall panel constituting a bathroom wall. 14 is a bathtub,
Reference numeral 16 denotes a washing place, 18 denotes a bathtub faucet, 20 denotes a washing faucet provided on the side of the washing place 16, and 22 denotes a portable chair for a bathroom. The chair 22 is provided with a leg as shown in detail in (B), and has a seat surface 24 and a leg 26.

[0015] As shown in FIG.
The primary coil 3 surrounding the iron core 28 is located at a lower predetermined position.
A primary circuit 32 including 0 is provided, and the primary circuit 32 is connected to an AC power supply 33. This primary side circuit 32 turns on / off a reed switch 34 as a detection unit.
Opening / closing by turning off, that is, connection or cutoff with the power supply 33,
In the connection state, an alternating current flows through the primary coil 30. Incidentally, 35 is a control circuit.

On the other hand, the interior of the chair 22 above the waterproof pan 10 includes a secondary coil 38 surrounding the iron core 36, and a heater 40 for heating the chair 22 and more precisely for heating the seat surface 24 thereof. Heater energizing circuit 42 as secondary circuit
And a magnet 44 as a detected part. Here, the secondary coil 38 and the magnet 44 are connected to the leg 2.
6, and the heaters 40 are respectively disposed below the seating surface 24.

The magnet 44 and the secondary coil 38
The first coil 30 and the secondary coil 38 are opposed to each other when the magnet 44 is just opposed to the reed switch 34 below the waterproof pan 10 to form a common magnetic circuit. Each arrangement is defined. The waterproof pan 10 is provided with a protruding portion 48 so as to enter the recess 46 of the chair 22. In the present example, the protrusion 48 and the recess 46 constitute positioning means when the chair 22 is set at a predetermined position.

In the chair heating apparatus of the present embodiment, when the chair 22 is set at a predetermined position in the state shown in FIG. 1B, the reed switch 34 as a detecting section turns the magnet 44 as a detected section on the chair 22 side. Detect and turn on. Here, the primary coil 30 is connected to the AC power supply 33, an alternating current flows through the primary coil 30, and the mutual induction between the primary coil 30 and the secondary coil 38 causes the chair 22 to be connected. The heater energizing circuit 42 including the secondary coil 38 of FIG.
The second seat surface 24 is warmed. That is, by setting the chair 22 at a predetermined position, the chair 22 can be warmed before use in the bathroom.

When using the bathroom, the chair 2
2 is brought from the set position (the predetermined position) to a use position, for example, a position in front of the washing faucet 20, and
For example, when washing the body, the user can sit on the warmed chair 22 and perform an operation such as body washing. On the other hand, when the chair 22 has been used, it is set back to the original predetermined position, thereby causing the heater 40 to generate heat again and the chair 2 to be used.
2 can be kept warm.

As described above, according to the chair heating apparatus of the present embodiment, the chair 22 is heated from the beginning by the heat generated by the heater 40 inside the chair 22 without performing an operation such as applying hot water in the bathtub 14 to the chair 22. The user can sit down and can comfortably use the chair 22 to perform work such as body washing without feeling cold. Therefore, an elderly person or a person with weak legs can sit on the warm chair 22 without waiting.

In the chair heating apparatus of the present invention, chair heating can be performed with the heater energizing circuit 42 disconnected from the power supply 33. Therefore, a power supply is provided in the bathroom and the heater is connected to the power supply. It is not necessary, and there is no possibility of causing an electric leakage in the bathroom.

Also, since it is not necessary to connect the electric cord extended from the chair 22 to a power source,
The bathroom chair 22 having a heating function can be freely moved in the bathroom in a cordless state. Further, according to the present embodiment, there is obtained an advantage that moisture attached to the chair 22 evaporates quickly due to the heat generated by the heater 40, and the chair is less likely to be stained with mold or the like.

In this embodiment, the heater energizing circuit 42 and the magnet 44 as a detected part are built in the chair 22 so that the heater energizing circuit 42 and the magnet 4
The waterproof property of No. 4 can be easily secured.

Further, in this embodiment, since the chair 22 is formed as a chair with legs, and the secondary coil 38 and the magnet 44 are disposed inside the legs 26, the chair 22 is set at a predetermined position. The secondary coil 38 can be brought as close as possible to the primary coil 30 below the waterproof pan 10, and power can be efficiently supplied from the primary circuit 32 to the heater energizing circuit 42.

Since the magnet 44 of the chair 22 above the waterproof pan 10 can be brought as close as possible to the reed switch 34 below the waterproof pan 10, the detection of the magnet 44, that is, the detection of the chair 22 can be performed. It can be performed with high accuracy.

Although the embodiment of the present invention has been described in detail, this is merely an example, and the present invention can be configured in variously modified forms without departing from the gist thereof.

[Brief description of the drawings]

FIG. 1 is a diagram showing a chair heating device for a bathroom according to one embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Waterproof pan 22 Chair 24 Seat surface 26 Leg 30 Primary coil 33 AC power supply 35 Control circuit 34 Reed switch (detection part) 38 Secondary coil 40 Heater 42 Heater energization circuit 44 Magnet (Detection part)

Claims (3)

[Claims] A primary coil connected to an AC power supply, a control circuit for controlling energization / stop of the primary coil, and a detection unit are arranged at a predetermined position below a waterproof floor in a bathroom. A heater energizing circuit including a secondary coil paired with the primary coil and a heater for heating the chair, and a detected part corresponding to the detecting part, provided on the bathroom chair above the waterproof floor; The primary coil is energized by setting the chair on the waterproof floor so that the detection unit is positioned above the detection unit, and the mutual induction between the primary coil and the secondary coil causes the primary coil to be energized. A chair heating device for a bathroom, wherein a current is supplied to a heater energizing circuit to cause the heater to generate heat, thereby heating the bathroom chair. 2. The chair heating device for a bathroom according to claim 1, wherein the heater energizing circuit and the detected part are built in the chair. 3. The chair according to claim 1, wherein the chair is a chair with legs, the secondary coil and the detected part are arranged inside the legs, and the heater is a seat of the chair. A bathroom chair heating device, which is arranged below a surface.