JP3337755B2 - Automatic shower actuator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a unit type shower device which can be installed in a school yard or the like, and more particularly to an automatic shower operating device for automatically operating a shower.

[0002]

2. Description of the Related Art Generally, before and after swimming in a swimming pool, a shower is used to wash the body. Conventionally, in schools and the like, a washing place with a shower has been installed adjacent to a swimming pool. The discharge and stop of the shower are performed by manually opening and closing a valve provided between a water pipe and a shower pipe, or by a switch configured to control the opening and closing of the valve by configuring the valve with an electric valve. Such a shower operating device has been used.

[0003]

However, in the above-mentioned conventional shower operating device, when a user enters a washing place,
There was a delay from when the valve was opened manually or by a switch until the water was actually discharged.

An object of the present invention is to solve the above-mentioned problem, and an object of the present invention is to provide an automatic shower operating device capable of preventing a delay from a user entering a washing place to a start of shower water discharge.

[0005]

In order to achieve the above object, according to the present invention, a main body of a shower device comprises an FRP base, both side walls, and both covers. The portion is formed from a flat plate portion of a substantially rectangular washing place and a frame portion formed around the flat portion, and the two side walls are connected to frame portions on two sides facing each other of the base portion. The pipes routed inside the side walls are respectively covered with the both cover portions connected to the side walls so as not to cause water leakage, and are arranged so as to protrude to the washing place along the both side walls. A waist-washing pipe that is installed and discharges water near the waist level of the user, and an overhead pipe that is disposed above the above-mentioned both side walls and discharges water toward the user's head are provided in both side walls. Are connected to the pipes of It is controlled so as to detect a person entering and exiting the washing area and start water discharge from the waist washing pipe and the overhead pipe. Are protruded in the longitudinal direction from the end portions.

[0006]

According to the present invention, when a human sensor is provided in the side wall portion and the human sensor detects a person entering or exiting the washing place,
Since control is performed to start water discharge from the waist-washing pipe and the overhead pipe, there is no delay until shower water discharge.

Further, since the main body of the shower apparatus is composed of a base made of FRP, both side walls and both covers, the base and the side walls are formed as separate members.
The mold can be prevented from becoming large. In addition, since the cover portion is formed as a separate member, connection and maintenance of the pipes routed inside the side wall portions in a state where the cover portion is removed can be easily performed, thereby improving workability. be able to. In addition, since the pipes inside the side walls are covered with the cover so as not to be seen, the appearance is good.

Further, since both side walls and both cover portions are connected so as not to cause water leakage inside, the water does not splash on the human sensors and the control panel disposed inside the both side walls.

[0009]

[0010]

[0011]

[0012]

[0013]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an automatic shower operating device according to an embodiment of the present invention. First, the structure of the shower unit will be described with reference to FIGS. FIG.
9 are views showing the entire structure of the unit type shower device, FIG. 7 is a plan view, FIG. 8 is a front view, and FIG. 9 is a side view.

This unit type shower device has a main body 1
And a pipe 2 and the like, and can be easily installed at one corner of a schoolyard or the like. First, the main body 1 will be described.

The main body 1 is made of, for example, FRP, and has a base 11, side walls 12a and 12b, and covers 13a and 13b.
b. The base portion 11 is substantially rectangular, and is formed around the flat plate portion 111 of a washing place where a shower is taken and around the flat portion.
It is composed of a frame portion 112 higher than 1 and is manufactured by integral molding. The side wall portions 12a and 12b are erected on two opposing sides of the base portion 11, and each of the side wall portions 12a and 12b
1 and an upper surface portion 122, and a pipe 2 is routed inside. The cover portions 13a and 13b each include an outer surface portion 131 and an upper surface portion 132, and the side wall portions 12a and 1b.
It covers the pipe 2 in 2b.

A drain hole 16 is formed at one corner of the flat plate portion 111, and is connected to a drain pipe (not shown) to drain the shower water discharged. In one corner of the frame 112,
A frame hole 17 is formed and connected to a drain pipe (not shown) to prevent overflow of water.

FIG. 10 is a cross-sectional view taken along the line AA of FIG. 8, showing a connection structure of the base 11, the side wall 12b, and the cover 13b. The connection between the base 11, the side wall 12a, and the cover 13a has exactly the same structure.
The base portion 11 and the side wall portion 12b are overlapped by bending the ends of the frame portion 112 and the side surface portion 121, and are connected by the set screw 14. The cover 13b and the side wall 12b are overlapped on the upper surfaces 122 and 132, and are connected by the set screw 15. Here, a groove 123 is formed near an end of the upper surface portion 122, while a tip 133 of the upper surface portion 132 is bent downward so as to enter the groove 123.

As described above, the main body 1 includes the base 11,
It is composed of side walls 12a, 12b and covers 13a, 13b. Base portion 11 and side wall portions 12a, 12
By using b as a separate member, it is possible to prevent the mold from becoming large. Further, since the cover portions 13a and 13b are formed as separate members, connection and maintenance of the pipe 2 can be easily performed in a state where the cover portions 13a and 13b are removed, so that workability can be improved. . Also, since the internal pipe 2 is covered by the covers 13a and 13b so as not to be seen, the appearance is good. Further, as is clear from FIG. 7, the flat plate portion 111 on one entrance side (right side in the figure) of the washing area of the base portion 11 projects in the longitudinal direction by a length L from the end portions of the side walls 12a and 12b. Have been.

Further, the groove 123 and the groove 12 at the tip 133 are formed.
Due to the inward bending, no water leaks from the connection between the side wall 12a (12b) and the cover 13a (13b). Therefore, the control panel, which will be described later, which is disposed at an appropriate position inside the side wall portion 12a or 12b, is not exposed to water.

Next, the structure of the pipe 2 will be described with reference to FIGS. The water supply pipe 26 has one end connected to a water supply pump or a water pipe (not shown), and the other end connected to the branch part 21 via a valve V1. One of the flow dividing sections 21 is a valve V
2 is connected to the drain pipe 27, one of which is connected to the branching section 22. The drain pipe 27 is connected to a drain groove (not shown), and drains water remaining in the pipe 2.

The branch part 22 further includes a branch pipe 23a.
One is connected to the diversion tube 23b. Diversion tube 23
a is connected to the waist washing pipe 24a and the overhead pipe 25, and the diversion pipe 23b is connected to the waist washing pipe 24b and the overhead pipe 25. The waist-washing pipes 24a (24b) are arranged so as to protrude into the washing area along the side walls 12a (12b), and discharge water from small holes drilled in several places toward the vicinity of the waist level of the user. It has become. Overhead piping 25
Extends from the side wall portion 12a to the side wall portion 12b.
Arranged from 3a in the diversion pipe 23b in an arch shape, and water is discharged from small holes drilled at several places toward the user's head.

The valve V1 is an electric valve that opens and closes a flow path of water and controls the water discharge and stop of the shower by controlling the supply of water from a water supply pipe 26. The opening and closing operation is performed by a control unit PC1 described later. This is performed by a signal input from the. The valve V2 controls the drainage of water remaining in the pipe 2, and is normally set to "closed" and opened only when draining.

Next, the arrangement of a human sensor for detecting the user of the unit type shower device will be described with reference to FIGS. FIGS. 11A and 11B are diagrams showing an arrangement structure of the human sensors SE1 and SE2, wherein FIG. 11A is a perspective view and FIG. 11B is a sectional view.

The human sensor SE1 is mounted on a bracket 42a in a sensor box 41a provided at one corner of the side wall 12a (lower right of the side wall 12a in FIG. 7), and the human sensor SE2 is mounted on the side wall 12b. The other corner (Fig. 7
Sensor box 4 provided on the upper left side of the side wall portion 12b)
1b, each is provided on a bracket 42b. Each of the human sensors SE1 (SE2) is composed of, for example, an infrared sensor, and emits infrared light in a direction indicated by an arrow in FIG. 7 through a plate 43a (43b) formed of a polycarbonate resin or the like. When a person crosses within the range of the distance, for example, at a position of 2 to 3 m, the person is detected by the reflected light.

As described above, the human sensors SE1 and SE2 are arranged at the corners of the side walls 12a and 12b, and the human is detected at a position slightly separated from the entrance of the washing room. If the user starts the operation of the valve V1 from, without delay from the time when the user enters the washing place,
The shower can be started immediately.

Next, a control system of the unit type shower device will be described with reference to FIGS. FIG. 1 is a control circuit diagram of the shower device. FIG. 2 is a diagram showing a control panel in which this control circuit is housed, (a) is a top view,
(B) is a front view, (c) is a view inside a control panel showing an arrangement of main components.

The switch SW1 turns on and off the power supply of the control circuit, and is connected between the input terminals T1 and T2 to which an AC 100V power supply is connected via a leakage breaker ELB. The pilot lamp PL1 has a switch S
Lights up when W1 is turned on to notify that the power is on. DC power supply PU1 is AC100
V input is stepped down and rectified, DC24V is output to terminal P24
(DC24V) and output between N24 (earth line).

The control unit PC1 comprises, for example, a programmable controller having a timer function, and has an input terminal X
0, X1 and an output terminal Y0 connected to a ground line via a built-in switch. When a low-level signal is input to the input terminal X0 or X1, the output terminal Y0 is provided for a predetermined time in accordance with the number of inputs. The built-in switch of is turned on. The predetermined time is set to (T ₁ + nT ₂ ), where n is the number of inputs and T ₁ and T ₂ are constants. T ₁ and T ₂ are preset times, for example, if T ₁ = 15 seconds and T ₂ = 5 seconds, (T ₁ + nT ₂ ) =
(15 + 5n) seconds.

The human sensors SE1 and SE2 have switch sections SE1a and SE2a inside. The switch SE1a (SE2a) is connected to the input terminal X0 of the controller PC1.
It is connected between (X1) and the ground line, is normally open, and closes for a predetermined time when a person is detected.

The valve V1 is connected between the output terminals P24 and N24 and is supplied with power.
Is connected to the output terminal Y0 of the control unit PC1. Then, the built-in switch of the output terminal Y0 turns on and the input terminal P
When a low-level signal is input to the valve 1, the valve V1 opens, and otherwise closes.

Next, an example of the opening / closing operation of the valve V1 will be described with reference to the flowchart of FIG. 3 and the timing chart of FIG.

When the switch SW1 is turned on and the power is turned on, the valve V1 is closed (step S2) until the human sensor SE1 or SE2 detects a human (NO in step S1). When a person is detected (YES in step S1), the valve V1 is opened to start shower water discharge (step S3), and the parameter n = 1 and the timer T
= 0 (step S4), the timer operation, that is, T
Is started (step S5).

During the period T ≦ T ₁ + nT ₂ (YES in step S6), if the human sensor SE1 or SE2 does not detect a human (NO in step S7), the process returns to step S6 to continue the timer counting operation. I do.

On the other hand, if a person is detected (Y in step S7)
ES) and increment parameter n (step S
8) Return to step S6. When T> T ₁ + nT ₂ (NO in step S6), the valve V1 is closed to stop the water discharging operation (step S2).

For example, when the human sensor SE1 or SE2 detects a human twice, as shown in FIG. 4A, (T ₁ +
The water discharge operation is continued for 2T ₂ ) seconds, and when a person is detected five times, the water discharge operation is continued for (T ₁ + 5T ₂ ) seconds, as shown in FIG.

Next, another example of the opening / closing operation of the valve V1 will be described with reference to the flowchart of FIG. 5 and the timing chart of FIG. Steps S11 to S17 are the same as steps S1 to S7, and thus description thereof will be omitted.

In step S17, the human sensor SE1
Alternatively, if SE2 detects a person (YE in step S17)
S), the parameter n is compared with a preset value N ₀ (step S18), and until n = N ₀ (NO in step S18), the parameter n is incremented (step S19), and step S16 is performed. Return to And
When n = N ₀ (YES in step S18), the parameter n is not incremented and the process proceeds to step S1.
Return to 6.

FIG. 6 is a timing chart showing the opening / closing operation of the valve V1 when N ₀ = 10, where (T ₁ + 10T ₂ ).
The water discharge operation is temporarily stopped in seconds.

As described above, by providing the parameter N with the upper limit value N ₀ , when a very large number of people enter, the parameter n increases, and the person leaves the washing place and becomes unmanned. It is possible to prevent the water discharge operation from continuing even in the state.

Even if a large number of people enter and water discharge stops when n = N ₀ , the next person is immediately detected and water discharge is resumed as shown in FIG. Will not occur.

[0041]

As described above, according to the present invention, when a human sensor is provided in the side wall portion and the human sensor detects a person entering or exiting the washing place, water is discharged from the waist washing pipe and the overhead pipe. Since it is controlled to start, there is no delay until shower water discharge.

Further, since the main body of the shower device is composed of a base made of FRP, both side walls and both covers, the base and the side walls are formed as separate members.
The mold can be prevented from becoming large. In addition, since the cover portion is formed as a separate member, connection and maintenance of the pipes routed inside the side wall portions in a state where the cover portion is removed can be easily performed, thereby improving workability. be able to. In addition, since the pipes inside the side walls are covered with the cover so as not to be seen, the appearance is good.

Further, since both side walls and both cover portions are connected so that water does not leak inside, water does not splash on the human sensors and the control panel disposed inside the both side walls.

[0044]

[Brief description of the drawings]

FIG. 1 is a circuit diagram showing a control circuit of a unit type shower device which is an embodiment of an automatic shower operating device according to the present invention.

2A is a top view of a control panel in which the control circuit of FIG. 1 is housed, FIG. 2B is a front view of the control panel, and FIG. 2C is a layout showing the arrangement of main components in the control panel. FIG.

FIG. 3 is a flowchart illustrating an example of a water discharge operation procedure.

4 (a) and 4 (b) are timing charts showing operation states of valves with respect to a detection operation of a human sensor according to the operation procedure of FIG.

FIG. 5 is a flowchart showing another example of the water discharge operation procedure.

6 is a timing chart showing an operation state of a valve with respect to a detection operation of a human sensor according to the operation procedure of FIG.

FIG. 7 is a plan view showing a structure of a unit type shower device which is an embodiment of the automatic shower operating device according to the present invention.

FIG. 8 is a front view showing the structure of the unit type shower device.

FIG. 9 is a side view showing the structure of the unit type shower device.

FIG. 10 is a sectional view taken along line AA of FIG. 8;

11A and 11B are diagrams showing an arrangement structure of a human sensor, wherein FIG. 11A is a perspective view and FIG. 11B is a sectional view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body part (shower apparatus main body) 2 Piping 11 Base part (base plate) 12a, 12b Side wall part (side wall) 13a, 13b Cover part 14, 15 Set screw 21, 22 Dividing part 23a, 23b Dividing pipe 24a, 24b Hip washing Pipe 25 Overhead pipe 26 Water supply pipe 27 Drain pipe 41a, 41b Sensor box 42a, 42b Bracket 43a, 43b Plate 111 Flat plate section 112 Frame section 121 Side section 122 Top section 123 Groove 131 Outside side section 132 Top section 133 Tip ELB earth leakage breaker N24, P24 output terminal P1 input terminal PC1 control section (control means) PL1 pilot lamp PU1 DC power supply SE1, SE2 human sensor (human detection means) SE1a, SE2a switch section SW1 switch T1, T2 input terminal V1, V2 valve X0, X1 input Child Y0 output terminal

Claims (1)

(57) [Claims] The main body of the shower device is made of an FRP base.
Base part , both side walls, and both cover parts.
And a frame portion formed on the base portion.
The two side walls are connected to the two sides of the
Pipes routed inside these side walls are
Both side walls are connected to prevent water leakage
While being covered by the two cover portions, it is disposed so as to protrude into the washing area along the both side wall portions and used.
Pipe for waist washing that discharges water near the waist level of the elderly
It is installed above both side walls and discharges water toward the user's head
Overhead pipes are connected to the pipes in both side walls.
A human sensor is installed in the above both side walls to enter and exit the washing area.
To detect the presence of the
It is controlled to start water discharge, and the flat part on one inlet side of the washing area of the base part has both side walls.
An automatic shower operating device characterized in that it protrudes in a longitudinal direction from an end portion of the portion .