JP2003138628A - Electrical component of toilet bowl - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electrical component of a toilet bowl capable of adjusting a direction of a human body detection device in response to a position or the like of an entrance of a rest room, thereby quickly detecting a human body entering the rest room. SOLUTION: A sensor unit 36 provided with a human body detection sensor 38 and a visible light projection element 40 on a rear side of a translucent part 32 of a toilet seat box 30 is vertically and horizontally installed by a spherical seat 42. The sensor unit 36 is vertically rotated by rotating a bolt 46, and horizontally rotated by rotating a bolt 62.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toilet electrical component equipped with a human body detection device, and more particularly to a toilet electrical component equipped with a human body detection device suitable for application to a device for automatically opening and closing a toilet lid.

[0002]

2. Description of the Related Art FIG. 3 is a perspective view of a western style toilet provided with an automatic opening / closing device for the toilet lid. A toilet seat box 12 is installed in this Western-style toilet 10, and a toilet seat 14 and a toilet lid 16 are attached to the toilet seat box 12 so as to be vertically rotatable. Reference numeral 18 indicates a low tank.

The toilet seat box 12 is provided with an overhanging portion 20 which projects laterally, and an operating switch such as a warm water washing device for washing the human buttocks with warm water is provided on the overhanging portion 20.

A drive device such as a motor for raising and lowering the toilet lid 16 is provided in the toilet seat box 12, and a human body detection sensor 22 is provided in the overhanging portion 20 to operate the drive device. Has been.

An infrared sensor such as a PSD (position sensitive detector) is used as the human body detecting sensor. In this PSD, the sensor emits light from the light emitting element, and the reflected light from the human body is condensed on the PSD element.
The distance from the sensor to the human body is calculated based on the light-collecting position on the PSD element.

As shown in FIGS. 4 and 5, the infrared rays of the human body detecting sensor 22 are emitted obliquely upward and forward of the western-style toilet bowl 10 and toward the center side of the western-style toilet bowl 10.

In the usual case, the sensor 20 outputs a human body detection signal when the human body enters a detection area between a distance Lmin to the vicinity of the front end of the western-style toilet 10 and a distance Lmax to a distance of about 300 mm ahead. . The control circuit receiving the input of this signal drives the toilet lid drive device, and the toilet lid 16 is rotated upright. When the human body is no longer detected in the detection area, the toilet lid 16 is automatically closed and rotated after a lapse of a predetermined time (for example, 1 minute).

A seating sensor for detecting a human body seated on the toilet seat 14 may be provided, and the toilet lid 16 may be automatically closed after a predetermined time after the seating is no longer detected.

[0009]

The doorway of the toilet room may be provided in front of the western-style toilet bowl or in the side of the western-style toilet bowl. As shown in Fig. 5, the conventional automatic lid opening / closing device projects infrared rays toward the front of the western-style toilet bowl, so that a human body entering through the front door of the western-style toilet bowl can be detected early. However, the human body entering the room from the side entrance of the Western-style toilet will not be detected until it enters the infrared projection area in front of the Western-style toilet, and the detection timing will be delayed.

It is an object of the present invention to provide a toilet bowl electrical component which can detect a human body early regardless of the position of the entrance / exit of a toilet room.

[0011]

Means for Solving the Problems The toilet electrical equipment of the present invention is
An electric toilet component having a human body detection device is characterized by including a means for adjusting the pointing direction of the human body detection device.

According to the toilet electrical equipment, it is possible to detect the human body early by adjusting the directional direction of the human body detecting device according to the entrance / exit position of the toilet room and the like.

In the present invention, it is preferable to provide a light emitting means for emitting visible light in the directivity direction of the human body detecting device so that the directivity direction of the human body detecting device can be visually confirmed by the visible light.

[0014]

DETAILED DESCRIPTION OF THE INVENTION Embodiments will be described below with reference to the drawings. FIG. 1 is a perspective view of a projecting portion of a toilet seat box equipped with toilet bowl electrical components according to an embodiment, FIG. 2 (a) is a sectional view taken along line II-II of FIG. 1, and FIG. 2 (b). )
FIG. 4 is a sectional view taken along the line BB of FIG.

A convex portion 3 is formed on the upper surface of the overhanging portion 30 of the toilet seat box.
0a is provided, and the light transmitting portion 32 that transmits infrared light and visible light is provided at the front edge of the convex portion 30a. The sensor unit 3 is provided on the back side of the transparent portion 32 (inside the overhang portion 30).
6 are arranged. The sensor unit 36 has a human body detection sensor 38 having an infrared light emitting element and an infrared light receiving element.
And a light projecting element 40 for projecting a beam of visible light in the same direction as the light projecting direction of the light emitting element of the human body detection sensor 38.

The sensor unit 36 is supported on the circuit board 34 in the overhanging portion 30 so as to be tiltable in all directions by a ball seat 42 having a ball 42a.

A bracket 44 is provided so as to project from the rear of the sensor unit 36, and a bolt 46 is vertically inserted through an opening 44a which is a bare hole of the bracket 44.
The diameter of the opening 44a is sufficiently larger than the bolt 46. A soft stopper 48 such as rubber is attached to the bolt 46 on the lower side of the bracket 44, whereby the bolt 46 is attached to the bracket 44 so as not to move forward and backward.

The bolt 46 extends downward from the bracket 44 and is screwed into the female screw hole 52 of the slider 50. An opening 56 for inserting a tool such as a screwdriver is provided on the upper surface of the protruding portion 30 (the upper surface of the convex portion 30a) above the bolt 46.
Is provided, and a cap 58 is attached to the opening 56.

The slider 50 is guided by a guide 54 provided on the circuit board 34 so as to be slidable in the left-right direction of FIG. 2B (perpendicular to the paper surface of FIG. 2A). .

From the rear portion of the slider 50, an upright portion 50a is formed.
Are protruded upward, and a bolt 62 is screwed into a female screw hole provided in the upright portion 50a. This bolt 62
The bolt support plate 64 is provided upright from the circuit board 34, and is inserted into an opening 64a formed of a hole in the bolt support plate 64. The bolt 62 extends horizontally.

An opening 70 for inserting a tool such as a driver is provided on a side surface of the convex portion 30a of the toilet seat box overhanging portion 30, and a cap 72 is attached to the opening 70.

In the toilet seat box thus constructed, the cap 58 is removed and a tool such as a screwdriver is opened 5
6 and turn the bolt 46, the bracket 44
Moves up and down, and the sensor unit 36 tilts around the ball 42a. Therefore, the infrared ray projection direction of the human body detection sensor 38 can be adjusted in the vertical direction by operating the bolt 46. Further, when the cap 72 is removed, a tool such as a screwdriver is inserted into the opening 70, and the bolt 62 is rotated, the slider 50 advances and retracts in the left-right direction in FIG. As a result, the sensor unit 36 can be rotated about the vertical axis about the sphere 42a, and the infrared ray projection direction of the human body detection sensor 38 can be adjusted horizontally.

Therefore, regardless of whether the entrance of the toilet room is on the front or side of the Western-style toilet, it is possible to direct the detection area of the human body detection sensor 38 toward this entrance. In addition, by adjusting the direction of the human body detection sensor 38 in the vertical direction, it is possible to bring the detection area closer to or farther from the western-style toilet bowl.

Further, in this embodiment, since the light projecting element 40 for projecting visible light in the same direction as the infrared projected light direction of the human body detection sensor 38 is provided, for example, a hand or a paper is provided in front of the light transmitting section 32. It is very convenient because the direction of the human body detection sensor 38 can be visually confirmed by shining light from the light projecting element 40 over a plate or the like.

A plurality of switches for operating equipment such as a hot water washing device are provided on the upper surface of the overhang portion 30.
In the present invention, light may be emitted from the light projecting element 40 by pressing three or more types of switches in a specific order.

In the above embodiment, the two bolts 46,
Although the orientation of the sensor unit 36 is adjusted by 62, it is obvious that other tilting and rotating mechanisms may be used.

[0027]

As described above, according to the present invention, the direction of the human body detecting device can be adjusted according to the position of the entrance and exit of the toilet room. Further, this also makes it possible to detect the human body entering the toilet room at an early stage.

[Brief description of drawings]

FIG. 1 is a perspective view of a projecting portion of a toilet seat box provided with a toilet bowl electrical component according to an embodiment.

2 (a) is a sectional view taken along line II-II of FIG. 1, and FIG. 2 (b) is a sectional view taken along line BB of FIG. 2 (a).

FIG. 3 is a perspective view of a Western-style toilet with an automatic lid opening / closing device.

FIG. 4 is a side view of a Western-style toilet with an automatic lid opening / closing device.

FIG. 5 is a plan view of a Western-style toilet with an automatic lid opening / closing device.

[Explanation of symbols]

10 Western style toilet 11 Toilet seat box 14 Toilet seat 16 toilet lid 18 low tank 20 Overhang 22 Human body detection sensor 30 Overhanging part 32 Translucent part 36 sensor unit 38 Human body detection sensor 42 ball seat 46,62 volts 56,70 openings 58,72 Cap

Claims (2)

[Claims] 1. A toilet electrical component having a human body detection device, comprising: means for adjusting the pointing direction of the human body detection device. 2. The toilet electrical equipment according to claim 1, further comprising a light emitting unit that emits visible light in a directing direction of the human body detecting device.