JP2001098597A - Automatic water discharge device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automatic water discharge device which can surely detect hands held out to a bowl surface such as a washbowl and does not scatter discharged water in discharging water for hand-washing and is convenient for use. SOLUTION: In this automatic water discharge device having in a washbowl a water delivery port part for discharging water to a bowl surface of this washbowl and a photoelectric sensor part for detecting the human body and automatically discharging water on the basis of a sensing signal of this photoelectric sensor part, the automatic water discharge device is mounted with the water discharge opening part for discharging water at 20 degrees in the almost horizontal direction to the oblique upper direction to a side wall part in the bowl surface and the photoelectric sensor part for detecting the human body in the bowl surface space.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a washing / washing apparatus, and more particularly to an automatic water discharging apparatus for detecting a human body by a photoelectric sensor and automatically discharging water.

[0002]

2. Description of the Related Art Conventionally, as this kind of apparatus, there is known an apparatus disclosed in Japanese Patent Application Laid-Open No. Hei 6-299578 shown in FIG.
In this case, a hand-washing machine 101 buried in a wall is provided.
An upper wall 103 is provided on the upper part of the back wall so as to cover the ball surface 102, and a sensor unit 104 for detecting a hand or the like facing the ball surface 102 and a water outlet 105 are provided side by side on the upper wall 103. I have. When the hand reaches the ball surface 102, the sensor unit 104 detects the hand and automatically discharges water from the water discharge port 105.

[0003]

However, in the conventional hand-washing machine 101, the water outlet 1 is provided on the upper wall 103.
05 is installed, the drop distance of water discharge from the water discharge port 105 is long, and the water discharge hits the ball surface 102 and scatters out of the ball surface 102, and the sensor unit 104 is provided on the upper wall 103. Even if the hand is put out on the ball surface 102, the distance between the sensor unit 104 and the hand is long and it is difficult to detect the hand, and it is necessary to put the hand near the sensor unit 104 above the ball surface 102, and the hand washing operation is inevitable. In this case, the water scattered by hand does not fall into the ball surface 102 and the floor around the hand washing machine 101 gets wet.

Further, since the sensor unit 104 and the water outlet 105 are provided side by side, even if the hand is positioned directly below the water outlet 105, the sensor 104 does not detect the hand well and does not discharge water. Even if the hand is put out directly under the sensor unit 104 and the water is spouted from the spout 105, the hand must be moved to the spout 105 side to wash the hands, and the handyness is inconvenient.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and can surely detect a hand extended to a ball surface such as a washbasin or a hand-washing machine. To provide a good automatic water discharge device.

[0006]

In order to solve the above-mentioned problems, an automatic water spouting device according to the present invention is provided in a wash basin and a hand washer. An automatic water discharge device that automatically discharges water based on a sensing signal of the photoelectric sensor unit.
A water discharge port for discharging water at 0 degrees and a photoelectric sensor for detecting a human body in the ball surface space are attached.

By doing so, the distance between the hand inserted into the ball surface and the photoelectric sensor portion is short, and the hand can be reliably detected. In addition, the water discharge port portion extends substantially from the side wall portion toward the ball surface. By discharging water from horizontal to diagonally upward 20 degrees, you can perform operations such as hand washing in a wide plane of the ball surface,
It is easy to use, and can prevent water from splashing out of the ball surface, and at the same time, reduce the forward dimensions of the washbasin and handwasher.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION It is preferable that the above-mentioned side wall portion is inclined in a widening direction of 5 to 20 degrees outwardly with respect to a vertical direction when viewed from the front. If the spout port with the spout hole processed along it is directly attached to the mounting part, the spouting direction can be directed almost horizontally to diagonally upward 20 degrees, so that the cost of the spout port can be reduced and the ball surface The opening side is wider, so that the hand can be easily inserted into the ball surface, and the usability can be improved.

If the side wall portion is inclined outward at an angle of 95 ° to 120 ° with respect to the plane of the back wall portion of the ball surface as viewed from above, and the water discharge port is provided on the back wall portion side, the ball surface The front side of the ball is wider, making it easier to insert the hand into the ball surface.Moreover, the area from the water discharge port that discharges water obliquely toward the front side from the back side and the hand wash area in the ball surface becomes wider, Is much better.

If the overflow surface of the ball surface is provided below the mounting position of the water discharge port, the water discharge port may be submerged even if sewage may collect on the ball surface. There is no waste water flowing back to the upstream water pipe via the spout.

If the ball surface is curved downward toward the center of the front side of the rim portion, and the lowest point of the curved portion is the overflow edge, it is not necessary to open the overflow opening in the washbasin / handwasher. Not only that, since the center of the rim is curved downward, the hand can be inserted into the ball surface without being disturbed by the rim, and the hand washing operation can be easily performed.

By disposing the water outlet and the photoelectric sensor at approximately the same height, the water discharge position and the detection area of the sensor are close to each other, so that the hand during the hand washing operation is reliably detected, and the water is discharged during the hand washing. Therefore, the usability is improved without interruption, and the discharge of water is less likely to directly hit the photoelectric sensor unit, thereby improving the sensing accuracy.

The provision of the photoelectric sensor portion on the front side of the water discharge port allows the hand inserted into the ball surface to be detected first and the water to be discharged from the water discharge port quickly.

If the center axis of the detection area of the photoelectric sensor section is oriented substantially parallel to the back wall, the water discharge direction and the detection area are well overlapped and the hand does not come off from the detection area during the hand washing operation, and is always stable. The discharged water is obtained, and the crossing angle between the discharged water direction and the central axis direction of the detection area of the photoelectric sensor unit becomes an acute angle, so that the amount of light reflected by the discharged water is small and the sensing accuracy is improved.

If the center axis of the detection area of the photoelectric sensor section is inclined from 0 ° to 25 ° downward with respect to the horizontal direction, when the hand is inserted into the ball surface, the hand naturally moves obliquely downward into the ball surface. Although it is heading, it is possible to reliably detect the hand that is heading diagonally downward.

If a constant flow valve is incorporated in the middle of the flow path of the water discharge port, stable water discharge can be obtained without affecting the water pressure fluctuation, and the water pressure increases and the water discharge is directed toward the opposite wall of the mounting portion. It is possible to prevent spouting and splashing vigorously.

[0017] The discharge amount from the water discharge port is set to 2 by the above constant flow valve.
If set at ~ 5 liters per minute, it is easy to wash hands,
Water is not scattered and water can be saved.

[0018]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an automatic water discharging apparatus according to the present invention.
FIG. 2 is a perspective view of an automatic water spouting device, FIG. 3 is a perspective view of the same, and FIG. FIG. 5 is a plan view of the automatic faucet device, FIG.
FIG. 7 is an enlarged plan view of the main part, and FIG.
9 is an enlarged cross-sectional view of a water outlet, FIG. 9 is an enlarged front view showing an attached state of a photoelectric sensor unit, FIG. 10 is a perspective view showing a second embodiment, FIG. 11 is a perspective view showing a third embodiment, FIG. Is the same,
FIG. 13 is a plan view, and FIG. 13 is a perspective view showing a conventional example.

A first embodiment will be described. A is an automatic water discharging apparatus according to the present invention.
Is attached to the side wall D of the toilet room C in which is installed.

The hand washing machine 1 includes a back plate 2 attached to the side wall D and a ball portion 3 provided in a bulging shape in front of the back plate 2.
Are integrally formed with a synthetic resin such as an ABS resin.

An upper portion of the ball portion 3 is provided on both sides with an upper surface portion 4 connected to the back plate portion 2 and a rim portion 5 which is curved downward from the upper surface portions 4 on both sides toward the center on the near side. .

The back side of the inner surface of the ball portion 3 is
A rear wall portion 6 formed on the same plane as the rear wall portion 6 is formed on both sides of the rear wall portion 6 so as to be continuous with the upper surface portion 4.
In addition, as shown in FIG. 3, it is formed in an expanded shape at an angle of about 110 degrees, and as shown in FIG.

A bowl-shaped ball surface 8 cut in half and connected to the side wall portions 7 is formed into a curved surface shape in which the upper portion is inclined forward from the lower portion, and a drain pipe is provided at the bottom of the ball surface 8. (Not shown) a drain 9 is established.

As shown in FIGS. 4 and 5, one side wall 7 has a water outlet 10 on the back side and a photoelectric sensor 1 on the front side.
1 are provided at substantially the same height.

These mounting heights are slightly higher than the lowermost position of the central portion on the front side of the rim portion 5, and when the drainage port 9 is closed, water will flow from the lowermost position of the rim portion 5. The water outlet 10 and the photoelectric sensor 11 are mounted so as not to be submerged.

That is, the lowermost position of the rim portion 5 is
In this embodiment, the dimensional difference between the upper surface 4 and the overflow edge 12 is set to about 75 mm.
The water outlet 10 and the photoelectric sensor 11 are located approximately 45 mm above the overflow edge 12.

As shown in FIGS. 7 and 8, the water discharge port 10 has a water discharge cap member 14 having a tapered cylindrical shape and a water discharge hole 13 provided in the center axis direction, and a water discharge cap member 14 which penetrates the side wall 7 and is provided on the back side of the side wall 7. A coupling member 16 connected to the located elbow member 15, and the side wall portion 7 is held by screwing the coupling member 16 to the elbow member 15, and water is discharged between the joint member 16 and the water discharging cap member 14. The water discharging cap member 14 is screwed to the joint member 16 with the rectifying plate 17 and the rectifying net 18 interposed therebetween so that the rectifying shape is obtained.

The side wall 7 to which the water outlet 10 is attached is
Since it is inclined about 20 degrees toward the outside with respect to the vertical direction as viewed from the front, the water discharge port 10 on which the water discharge hole 13 has been processed is directly formed on the side wall along the central axis of the water discharge port 10. 7, the water discharge direction a can be directed obliquely upward at a 20-degree direction.

Further, the side wall portion 7 is inclined outward from the back wall portion 6 of the ball surface 8 so as to be widened by 95 degrees to 120 degrees as viewed from the upper surface, and the water outlet 10 is directed to the back wall portion 6 side. Since the water supply port 10 is provided, the water discharge direction a of the water from the water discharge port portion 10 is obliquely directed toward the front side from the back side of the side wall 7.

An upstream side of the elbow member 15 is connected to an electromagnetic valve section 20 via a flexible resin pipe 19, and further connected to a constant flow valve 2.
The solenoid valve 20 and a controller (not shown) of a learning function type are housed in a casing 23 through a water supply pipe 22 via the first valve 1.

That is, the learning function method means that when the photoelectric sensor section 11 is set on the side wall section 7, the amount of light received in the initial state reflected by the opposing side wall section 7 and the ball surface 8 is stored.
When the amount of received light increases or decreases due to the amount of light reflected by the hand or the like, and this increase / decrease value exceeds a predetermined amount from the amount of light received in the initial state, the system recognizes the presence of the hand for the first time. First, the photoelectric sensor unit 11 can be installed in the ball unit 3.

The constant flow valve 21 has a conventionally known valve structure for maintaining a constant water discharge amount irrespective of pressure fluctuation.
In this embodiment, the water is discharged approximately obliquely upward 20 from the water discharge port 10.
In the direction of the angle, and in the direction inclined 5 to 30 degrees with respect to the horizontal direction toward the front side from the back side of the side wall 7, and parabolically in front of the opposing side wall portion 7 or the corner of the side wall 7 or the ball surface 8. The amount of water discharged should be 2-5 so that it hits diagonally downward.
I use liters per minute.

By doing so, the hand washing space is widened by discharging water from the water discharge port 10 over substantially the entire lateral direction in the ball portion 3, and the water is discharged from the side wall portion 7 facing the water discharge port 10. It is possible to prevent scattering on the ball surface 8.

As shown in FIG. 9, the photoelectric sensor section 11 has a waterproof case 24 in which a light emitting element and a light receiving element (not shown) are stored, and a light emitting element and a light receiving element on the front surface of the waterproof case 24. A front plate 27 provided with guide holes 25 and 26 for guiding the light emitting and receiving directions in the vertical
A transparent plate 28 arranged on the back surface and colored in blue smoke to be flush with the surface of the side wall 7 is formed on the front surface side of the side wall 7 by being adhered to the front plate 27.

3 and 5 by the front plate 27.
, The central axis b of the detection area of the photoelectric sensor unit 11
In a direction substantially parallel to the back wall portion 6 and at 0 ° to the horizontal direction.
It is inclined 25 degrees downward.

Therefore, the water discharge direction a in the ball surface 8
And the center axis b of the detection area intersects, and when the hand is being put on the spout during the hand washing operation, the hand can be reliably detected.

The hand washer 1 is mounted and fixed to the side wall D of the toilet room C by using a mounting bracket 30 such as a screw in a mounting hole 29 formed in an upper corner of the back plate 2.

In use, when a hand is inserted into the ball surface 8, first, the photoelectric sensor unit 11 provided on the near side of the side wall 7 detects the hand, and the controller controls the solenoid valve unit 20 based on the detection signal. When opened, rectified water is automatically discharged from the water discharge port portion 10 in a direction approximately 20 degrees obliquely upward and in a direction inclined from the back side of the side wall 7 toward the near side by 5 to 30 degrees from the horizontal direction.

At this time, since the center side of the rim portion 5 is curved downward, the hand of the ball 8
It can be inserted into the inside to perform hand washing operation.

When the hand is retracted, the detection signal based on the presence of the hand disappears, and the controller closes the solenoid valve section 20 based on the disappearance of the detection signal and automatically stops water.

The reason why the water discharge direction a is directed substantially horizontally to the obliquely upward direction at 20 degrees is that if the water discharge direction a is lower than the horizontal direction, it is necessary to insert a hand deeper into the ball surface 8 and the hand washing operation becomes difficult. If the angle is 20 degrees or more in the obliquely upward direction, a higher parabola will result, making it more difficult to wash.

Further, the reason why the water discharge direction a is directed in a direction inclined 5 to 30 degrees with respect to the horizontal direction from the back side of the side wall 7 to the front side is that when the angle is 5 degrees or less, the hand is further moved to the back side. Must be provided, and the hand hits the back wall 6 and the hand washing operation becomes difficult.
This is because the water discharge space becomes narrower toward the center and the hand washing operation becomes difficult.

Furthermore, the reason why the central axis b of the detection area of the photoelectric sensor unit 11 is inclined from 0 ° to 25 ° downward with respect to the horizontal direction is that when the central axis of the detection area is oriented upward with respect to the horizontal direction, the ball surface 8 The reason for this is that an object outside is detected and erroneously sensed. If the object is inclined downward by 25 degrees or more, the hand is not sensed unless the hand is extended deeper into the ball surface 8, and the usability is deteriorated.

The present invention can be modified in various ways without being limited to the above-described embodiment. For example, as shown in FIG. 7, the photoelectric sensor unit 11 may be separately provided on the back wall unit 6. In this case, the center axis b of the detection area of the photoelectric sensor unit 11 is directed obliquely downward so as to be slightly lower than the rim unit 5. This is preferable because a hand extending into the ball surface 8 is detected, but a human body outside the ball surface 8 is not detected.

Of course, since the water discharge direction a and the center axis b of the detection area of the photoelectric sensor section 11 intersect, the water discharge area is large and the usability is good.

As shown in FIGS. 11 and 12, the water outlet 10 is attached to the side wall 7 in the ball 3 and the photoelectric sensor 1
1 may be separately provided on the side wall 7 facing the water outlet 10.

Also in this case, since the water discharge direction a and the center axis b of the detection area of the photoelectric sensor section 11 intersect, the water discharge area is large and the usability is good.

Further, it goes without saying that the present invention can be carried out not only with a hand-washing machine but also with a basin, and the material thereof may be made of pottery, a stamped stainless steel plate or a cast enamel.

The form of water discharge may be rectified water discharge, foam water discharge, or shower water discharge.

Further, the rim portion 5 is curved downward toward the front center portion and the central portion is formed as an overflow edge. However, as shown in FIG. The overflow port 31 may be formed in the side wall 7 or the back wall 6 facing the water discharge port 10 as a part.

The position where the constant flow valve is set may be provided at the water discharge port or on the secondary side of the solenoid valve. If the constant flow valve is not provided, the water stoppage provided upstream of the water supply pipe may be provided. The amount of water discharged may be adjusted with a stopper.

[0052]

As described above, the present invention provides a washbasin and a handwasher with a spout for discharging water onto a ball surface of the washbasin and a handwasher, and a photoelectric sensor unit for detecting a human body. In an automatic water spouting device that automatically spouts water based on a signal, a substantially horizontal direction
A water outlet that discharges water at an angle of 20 degrees diagonally upward and a photoelectric sensor unit that detects a human body in the ball surface space are attached, so that the distance between the hand inserted into the ball surface and the photoelectric sensor unit is close and the hand Can be detected, and the spout can be discharged in a parabolic shape from the side wall toward the inside of the ball surface in a direction of approximately horizontal to diagonally upward 20 degrees, so that operations such as hand washing can be performed in a wide plane of the ball surface. The water outlet is installed in the ball surface so that water can be prevented from splashing out of the ball surface, and at the same time, the front dimensions of the washbasin and hand-washing machine can be suppressed, and the narrow toilet room Can be installed inside.

By tilting the side wall portion outwardly in a widening direction of 5 ° to 20 ° upward with respect to the vertical direction when viewed from the front, processing of the water discharge hole along the central axis of the water discharge port portion is performed. If the water outlet provided is directly attached to the mounting portion, the water discharge direction can be directed substantially horizontally to diagonally upward 20 degrees, so that the cost of the water outlet can be reduced, and the opening side of the ball surface becomes wider and the ball becomes wider. The hand can be easily inserted in the plane, and the usability can be improved.

If the side wall portion is inclined outwardly at an angle of 95 to 120 degrees with respect to the plane of the back wall portion of the ball surface as viewed from above, and the water discharge port portion is provided on the back wall portion, The front side of the ball is wider, making it easier to insert the hand into the ball surface.Moreover, the area from the water discharge port that discharges water obliquely toward the front side from the back side and the hand wash area in the ball surface becomes wider, Is much better.

If the overflow surface of the ball surface is provided below the mounting position of the water discharge port, the water discharge port may be submerged even if sewage may accumulate on the ball surface. Therefore, even if a check valve is not provided on the upstream side, sewage does not flow back to the upstream water pipe via the water discharge port.

If the ball surface is curved downward toward the center of the front side of the rim portion, and the lowest point of the curved portion is the overflow edge, it is not necessary to open the overflow port in the washbasin / handwasher. Not only that, since the center of the rim is curved downward, the hand can be inserted into the ball surface without being disturbed by the rim, and the hand washing operation can be easily performed.

By disposing the water outlet and the photoelectric sensor at approximately the same height, the water discharge position and the detection area of the sensor are close to each other, so that the hand during the hand washing operation is reliably detected, and the water is discharged during the hand washing. Therefore, the usability is improved without interruption, and the discharge of water is less likely to directly hit the photoelectric sensor unit, thereby improving the sensing accuracy.

By providing the photoelectric sensor section in front of the water discharge port, it is possible to detect a hand inserted into the ball surface first and to discharge water quickly from the water discharge port.

If the central axis of the detection area of the photoelectric sensor section is oriented substantially parallel to the back wall, the water discharge direction and the detection area are well overlapped and the hand does not come off from the detection area during the hand washing operation, and is always stable. The discharged water is obtained, and the crossing angle between the discharged water direction and the central axis direction of the detection area of the photoelectric sensor unit becomes an acute angle, so that the amount of light reflected by the discharged water is small and the sensing accuracy is improved.

If the center axis of the detection area of the photoelectric sensor unit is inclined from 0 ° to 25 ° downward with respect to the horizontal direction, when the hand is inserted into the ball surface, the hand naturally moves obliquely downward into the ball surface. Although it is heading, it is possible to reliably detect the hand that is heading diagonally downward.

If a constant flow rate valve is incorporated in the middle of the flow path of the water discharge port, stable water discharge can be obtained without affecting the water pressure fluctuation, and the water pressure increases and the water discharge is directed toward the opposite wall of the mounting portion. It is possible to prevent spouting vigorously and spouting water to scatter on the floor or the like.

The discharge amount from the water discharge port is set to 2 by the above constant flow valve.
If set to ~ 5 liters per minute, an appropriate parabolic spout can be obtained, hand washing can be performed easily, water is not scattered, and water can be saved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an installed state of an automatic water discharging apparatus according to a first embodiment of the present invention.

FIG. 2 is a perspective view of the same automatic water discharge device.

FIG. 3 is a front view of the hand-washing machine part with a part cut away.

FIG. 4 is a side view in which a part of a hand-washing machine is cut away.

FIG. 5 is a plan view of the automatic faucet device.

FIG. 6 is an enlarged plan view of a main part of the same.

FIG. 7 is an enlarged front view of a main part of the same.

FIG. 8 is an enlarged sectional view of the water outlet.

FIG. 9 is an enlarged front view showing an attached state of the photoelectric sensor unit.

FIG. 10 is an external perspective view showing a second embodiment.

FIG. 11 is a perspective view of an automatic water discharging apparatus according to a third embodiment.

FIG. 12 is a plan view of the same.

FIG. 13 is a perspective view showing a conventional example.

[Explanation of symbols]

 A: Automatic water discharging device B: Toilet C: Toilet room D: Side wall 1: Hand washer 2: Backboard part 3: Ball part 4: Top part 5: Rim part 6: Back wall part 7: Side wall part 8: Ball surface 9 ... drain port 10 ... water outlet 11 ... photoelectric sensor section 12 ... overflow edge 13 ... water discharge hole 14 ... water discharge cap member 15 ... elbow member 16 ... coupling member 17 ... rectifying plate 18 ... rectifying net 19 ... flexible resin pipe DESCRIPTION OF SYMBOLS 20 ... Solenoid valve part 21 ... Constant flow valve 22 ... Water supply pipe 23 ... Casing 24 ... Waterproof case 25 ... Guide hole 26 ... Guide hole 27 ... Front plate 28 ... Transparent plate 29 ... Mounting hole 30 ... Mounting bracket 31 ... Overflow port a ... water discharge direction b ... center axis of detection area

 ──────────────────────────────────────────────────続 き Continued on the front page F-term (reference) 2D060 CA04 3H106 EE48 FB05 KK09

Claims (11)

[Claims] 1. A washbasin / handwasher includes a spout port for spouting water onto a ball surface of the washbasin / handwasher and a photoelectric sensor unit for detecting a human body, and automatically discharges water based on a sensing signal of the photoelectric sensor unit. In the automatic water discharge device, a water discharge port for discharging water approximately 20 degrees horizontally or obliquely upward and a photoelectric sensor unit for detecting a human body in the ball surface space are attached to a side wall portion in the ball surface. Automatic water spouting device. 2. The automatic water discharge device according to claim 1, wherein the side wall portion is inclined in a widening direction of 5 to 20 degrees outwardly with respect to a vertical direction when viewed from the front. 3. The water discharge port is provided on the back wall side by inclining the side wall portion outwardly in a widening manner of 95 to 120 degrees with respect to the plane of the back wall portion of the ball surface when viewed from above. The automatic water discharge device according to any one of claims 1 to 2, characterized in that: 4. The automatic water discharge device according to claim 1, wherein an overflow edge of the ball surface is provided below a mounting position of the water discharge port. 5. The automatic rim according to claim 4, wherein the rim portion of the ball surface is curved downward toward the front center thereof, and the lowest point of the curved portion is the overflow edge. Water spouting device. 6. A water discharge port and a photoelectric sensor are provided at substantially the same height.
The automatic water discharge device according to any one of the above. 7. The automatic water discharge device according to claim 6, wherein the photoelectric sensor portion is provided on a front side of the water discharge port portion. 8. The automatic water discharge device according to claim 1, wherein a central axis of a detection area of the photoelectric sensor unit is directed substantially parallel to a back wall portion. 9. The automatic water discharging apparatus according to claim 1, wherein a central axis of a detection area of the photoelectric sensor unit is inclined from 0 to 25 degrees downward with respect to a horizontal direction. 10. The automatic water discharge device according to claim 1, wherein a constant flow valve is incorporated in the flow passage at the water discharge port. 11. The automatic water discharge device according to claim 10, wherein the discharge amount from the water discharge port is set to 2 to 5 liters per minute by the constant flow valve.