JPH0248533Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention is a device that automatically controls the start and stop of water spouting from a faucet based on the user's sense of the sensing part. This invention relates to a faucet control device installed in a ceremony.

(Prior Art) Conventionally, various structures of this type of faucet control device have been known.
There is one published in No. 55-36285.

To explain the case shown in FIG. 7, the cover 3 to which the sensor body 4 is attached has a concave hole 11 formed in the wall 1.
The cover 3 is fixed to a box 12 embedded in the box 12 via a mounting frame 13 and abuts the edge of the recessed hole 11 from the surface side of the wall 1. ing.

In addition, a window hole 14 is provided in the cover 3.
A sensor main body 4 is attached to the cover 3 so as to face the window hole 14 from the back side of the cover 3, and the window hole 14 is covered with a transparent plate 15 from the front surface of the cover 3.

Therefore, the cover shown in FIG. 7 not only looks unsightly because the cover protrudes from the wall surface, but also has disadvantages such as injury if the body touches the cover, and dirt and dust accumulating on the top surface.

Another problem is that the main body of the detector is not directly visible from the front, making it difficult to detect failures.

(Problems to be Solved by the Invention) The problems to be solved by the invention are to prevent the cover from protruding from the wall surface and to expose the front surface of the sensor body directly to the surface of the cover.

(Means for solving the problem) The technical means taken by the present invention to solve the above problem is a cover that is fixed to the edge of the opening in the wall of the building from the front side of the wall to block the opening. , a sensor body that is attached to the cover to detect the human body, and an electric control section that communicates with the sensor body and controls the operation of the faucet attached to the sanitary appliance based on the human body detection of the sensor body. It is formed into a flat plate shape with a sensor mounting hole drilled and a sensor locking edge that protrudes inward from the edge of the hole and is slightly recessed on the back side, and the sensor body has a flange on the front edge. The cover is inserted into the sensor mounting hole from the front side of the cover, and the back side of the flange is brought into contact with the front side of the sensor locking edge of the cover.

(Function) The cover is flat and comes into contact with the edge of the opening in the wall from the front side of the wall, and the sensor body is inserted into the sensor mounting hole formed in the cover from the front side of the cover and attached to the front end. The back side of the provided flange is brought into contact with the front side of the sensor locking edge that is slightly recessed toward the back side of the edge of the sensor mounting hole, so it does not protrude from the wall surface and is almost flush with the wall surface. Become. Moreover, the front side of the sensor body is directly exposed to the cover surface.

(Example) Hereinafter, an example of the present invention will be described based on the drawings.

In this embodiment, the faucet control device of the present invention was implemented as a device that senses the use of a urinal and automatically controls a faucet such as a flush valve that supplies flush water to the toilet. is a cover 3 that abuts and fixes to the rim of an opening 2 opened in a wall 1 of a building from the front side of the wall 1 to close the opening 2, a sensor body 4 attached to the cover 3, and a sensor body 4 that communicates with the sensor body 4 and senses it. Vessel body 4
It consists of an electric control unit 10a that controls energization to a drive solenoid 16 that operates a water faucet 6 such as a flush valve based on human body detection. It has 17.

The opening 2 is opened in the wall 1 above the urinal 5, more precisely at a height corresponding to the chest area of the person when the person is standing in front of the urinal 5.

The cover 3 is formed into a flat plate shape that is slightly larger than the opening 2 of the wall 1, and the front side periphery is chamfered to make the peripheral end surface tapered, and a sensor mounting hole 8 is provided approximately in the center.
will be opened.

Further, a foamed packing 17 is adhesively attached to the back side of the cover 3 along its periphery.

The sensor mounting hole 8 is formed to have a dimension slightly larger than the outer peripheral shape of the flange 10 of the sensor main body 4, which will be described later, and is provided with a sensor locking edge 9 projecting inward from the hole edge.

The sensor locking edge 9 is provided by attaching a backing plate 19 with a hole 18 smaller than the sensor mounting hole 8 to the back surface of the cover 3, and aligning the edge of the hole 18 with the edge of the sensor mounting hole 8. It is formed to protrude inward of the attachment hole 8 along the same direction.

The sensor locking edge 9 attaches the backing plate 19 to the cover 3 so that the distance from its front surface to the front surface of the cover 3 corresponds to the thickness of the flange 10 of the sensor body 4.
The back side is bent in a stepped manner toward the back and is slightly concave toward the back.

Note that the hole 18 of the backing plate 19 is formed to have a size slightly larger than the cross-sectional shape of the body 20 of the sensor body 4.

The cover 3 is placed on the front side of the wall 1 so as to close the opening 8 by bringing the foam packing 17 on the back side of the peripheral edge into contact with the edge of the opening 8 formed in the wall 1 of the building. 8, the sensor body 4 is inserted and equipped.

The sensor main body 4 is a conventionally well-known photoelectric sensor, capacitance variable sensor, etc. For example, in the case of a photoelectric sensor, a light emitting element, a light receiving element, (Fig. (not shown)
faces the front, a sensing distance adjustment lid 21 is provided on the back, and a cord 22 is pulled out.

The sensor main body 4 has a flange 10 at its front end and a screw rod 23 protruding from the center of its rear surface.

Then, this sensor body 4 is inserted into the sensor mounting hole 8 of the cover 3 from the front side of the cover 3, and the flange 10 is inserted into the sensor mounting hole 8 of the cover 3.
The back surface is brought into contact with the front surface of the sensor locking edge 9 on the edge of the sensor mounting hole 8.

Further, the sensor main body 4 has a screw rod 23 inserted into a screw insertion hole 25 of a mounting plate 24 arranged on the back side of the wall 1, and a nut 27 is screwed onto the screw rod 23 from the back side of the mounting plate 24.

The mounting plate 24 includes a rectangular back plate portion 24a, and side plate portions 24b bent at right angles in the same direction with respect to the back plate portion 24a on a pair of opposing side edges of the back plate portion 24a.
A flange portion 24c is provided which extends perpendicularly outward from the tip of the side plate portion 24b, and a threaded rod insertion hole 25 and a cord draw-out notch 26 are opened in the back plate portion 24a.

The mounting plate 24 is placed on the back side of the wall 1, the front surface of the flange portion 24c is brought into contact with the back side of the mouth edge of the opening 2 of the wall 1, the screw rod 23 of the sensor body 4 is inserted into the screw insertion hole 25, and the back plate is attached. The nut 27 is screwed onto the screw rod 23 from the rear side of the portion 24a, and the cord 22 of the sensor main body 4 is pulled out from the cord extraction notch 26.

By tightening the nut 27, the cover 3 is drawn to the surface of the wall 1 by the flange 10 of the sensor body 4, and the mounting plate 24 is pressed against the back surface of the wall 1. It is fixed to the wall 1 while sandwiching it.

On the other hand, the cord 22 is connected via a connector 30 to a cord 29 drawn out from a conduit 28 that is previously piped on the back side of the wall 1 and communicates with the electrical control section 10.

The electric control unit 10a is installed at a suitable position in a space 17 on the back side of the wall 1 or in the ceiling, etc., and is electrically connected to a drive solenoid 16 that operates the faucet 6, and receives a sensing signal from the sensor body 4. Based on this, the drive of the drive solenoid 16 is controlled.

The driving solenoid 16 is integrally provided with a water faucet 6 such as a flush valve that connects the primary side to the water supply source and the secondary side to the urinal 5, respectively.

A faucet 6 is provided in a space 17 on the back side of the wall 1 and communicates with the urinal 5 via a water supply pipe 31. 32 is the collar part 1
This is a foam packing that prevents water from entering between the locking edge 9 and the locking edge 9. Note that FIG. 6 shows an example in which a substantially square cover is used, unlike the rectangular cover of the first embodiment.

(Effects) (1) Neither the cover nor the sensor itself protrudes from the wall, so there is no risk of injury from touching any part of your body with them.
Dirt and dust will not accumulate on the top surface of the cover.

(2) The front side of the sensor body is directly exposed to the surface through the sensor mounting hole in the cover, and the sensor body is visible from the surface, making it easy to discover failures.

(3) Since the sensor body is fitted and inserted into the sensor mounting hole of the cover, the sensor body will not shift.

(4) The sensor body can be used as a common component and the cover can be made into various shapes.

[Brief explanation of the drawing]

Fig. 1 is a sectional view of a faucet control device showing an embodiment of the present invention, Fig. 2 is an enlarged sectional view of the main parts, Fig. 3 is an exploded perspective view as seen from the back side, and Fig. 4 is a block diagram. , FIG. 5 is a front view of the faucet control device attached to the wall, FIG. 6 is a front view of another embodiment of the faucet control device attached to the wall, and FIG. 7 is a sectional view showing an example of a conventional faucet control device. . 1...Wall, 2...Opening, 3...Cover, 4...
Sensor body, 5... Sanitary appliance, 6... Water faucet, 7...
...Electric control section, 8...Sensor mounting hole, 9...Sensor locking edge, 10...Brim portion.

Claims (1)

[Scope of utility model registration request] A cover that is fixed to the edge of an opening in the wall of a building from the front side of the wall to block the opening, a sensor body that is attached to the cover and detects the human body, and a sensor body that connects to the sensor body and allows the sensor body to detect the human body. The cover has an electric control unit that controls the operation of the faucet attached to the sanitary appliance, and the cover is formed into a roughly flat plate shape with a sensor mounting hole and a rear surface that protrudes inward from the edge of the hole. A slightly recessed sensor locking edge is provided on the side, and the sensor body has a flange at the front end.Insert the sensor into the sensor mounting hole from the front side of the cover, and insert the back of the flange into the front of the sensor locking edge of the cover. A faucet control device that comes into contact with the user.