JPH06306913A - Automatic flush closet device - Google Patents

Abstract

PURPOSE:To perform reliable wash water control based on feces or urine. CONSTITUTION:A rotary solenoid to lift a ball valve and discharge a large quantity of water or a small quantity of water to a closet is disposed to a water tank 15. A nozzle device 18 to perform washing of the back passage, a shower switch 16a to indicate washing of the back passage, a bidet switch 16b to indicate washing of bidet, a man detecting sensor 17 to detect the presence of a user are disposed to a casing 12 in the rear of a closet. Further, a control means is provided for indicating such that a large quantity of water is discharged when a user is detected by the man detecting sensor 17 and a shower switch 16a is turned ON, a small quantity of water is discharged when a user is detected by the man detecting sensor 17 and the shower switch 16a is not turned ON, and a large quantity of water is discharged when both switches for shower and bidet are not turned ON.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic flush toilet device, and more particularly, an automatic flush toilet device capable of controlling the amount of flush water to be discharged by determining whether it is a large-use or small-use toilet. The present invention relates to a flush toilet device.

[0002]

2. Description of the Related Art As a prior art relating to the present invention, an automatic flush toilet device disclosed in Japanese Patent Laid-Open No. 64-52928 is known. As shown in FIG. 6, in this device, the state of the user is judged by the distance detection sensor 2 arranged in the water tank 1. For example, when the user M is standing in the area a near the toilet bowl 3, since the user M is standing, it is determined that the user is pissing,
From the water tank 1, the amount of wash water suitable for urine is supplied to the toilet 3
Is discharged to. Also, when the user M is sitting in the area b for only a short time, it is determined that it is urine, and the amount of water suitable for urine is discharged. Further, when the user M has been sitting in the area b for a long time, it is determined that it is a stool, and the water tank 1 discharges a large amount of wash water suitable for the stool.

[0003]

In the above-mentioned device, it is determined that it is a stool when the seated state continues for a long time, but in reality, it is a stool when the user is sitting for a long time. It was hard to say and was not a sure judgment.

[0004] Therefore, it is a technical object of the present invention to provide an automatic flush toilet device which can more surely determine whether it is urine or urine.

[0005]

[Constitution of the invention]

[0006]

The technical solution taken in the present invention to solve the above-mentioned problems is a water tank and a large amount of water or a small amount of water which is disposed in the water tank and corresponds to a toilet bowl. Water discharge means for discharging a small amount of water corresponding to the stool, cleaning nozzle means for ejecting cleaning water toward the human body provided in the toilet bowl, and person detecting means for detecting the standing state and sitting state of the user, When only the standing state of the user is detected by the person detecting means, a small amount of water is discharged by the water discharging means, and when the sitting state is detected by the person detecting means, it depends on the operating state of the washing nozzle means. An automatic flush toilet device comprising control means for controlling the operation of the water discharge means.

[0007]

The control means, when only the standing state of the user is detected by the human detection means, determines that it is urine regardless of whether or not the washing nozzle means has operated. Then, when the seating state of the user is detected by the person detecting means, it is determined whether it is urine or urine depending on whether or not the cleaning nozzle means is used. When it is judged that the time is urine, the water discharge means is caused to discharge a small amount of water corresponding to the urine, and when it is judged that the time is urine, the water discharge means is caused to discharge a large amount of water corresponding to the urine. Let the water drain.

As described above, since the control means determines the usage status according to the operating status of the cleaning nozzle means, it becomes possible to control the amount of water discharged by the water discharging means in a more complicated manner, and more appropriately adjust the usage status of the toilet bowl. Water is discharged according to the requirements.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. Behind the toilet bowl 11, a water tank 15 for discharging flush water to the toilet bowl 11 is placed. Also, toilet bowl 11
The casing 12 is placed on the upper rear surface of the casing 12, and the casing 12 is pivotally supported by the rear ends of the toilet lid 13 and the toilet seat 14, respectively.

The operation panel 1 is provided on the upper surface of the casing 12.
6 and a human detection sensor 17 are provided. The operation panel 16 includes a shower switch 16a for instructing anus washing,
It is composed of a bidet switch 16b for instructing bidet cleaning, a drying switch 16c for instructing blowing of warm air after cleaning, and a stop switch 16d for instructing stop of these operations. Each switch is a CP installed in the casing 12.
A signal is output to U35 (FIG. 4), and the CPU 35 operates the nozzle device 18 and the warm air drying device (not shown). When the shower switch 16a is used, a flag F3, which will be described later, changes from "0" to "1" and the use is stored. Similarly, when the bidet switch 16b is used, a flag F4 which will be described later is displayed.
Is changed from "0" to "1" so that the use is stored. The nozzle device 18 spouts the washing water toward the anus or bidet, but the configuration thereof can be the same as that of the conventional one, and thus the detailed description thereof is omitted here.

The person detecting sensor 17 of the present embodiment is composed of a distance detecting sensor, and includes a light emitting portion 17a (FIG. 4) for transmitting an optical signal toward the front of the toilet bowl and an optical signal reflected by the user. It is configured by a light receiving unit 17b for receiving. The light receiving unit 17b outputs the received optical signal to the CPU 35, and the CPU 35 determines whether the user is in the area A in front of the toilet by this signal or the area B on the upper surface of the toilet seat.
It is designed to determine if you are in.

On the other hand, a bracket 27 is fixed to the water tank 15 as shown in FIG. 2, and this mounting bracket 27 projects into the water tank 15 to rotate the solenoid 2.
I am wearing 8. One end of a chain 29 is connected to the arm portion 28a of the rotary solenoid 28. Further, the bottom 15a of the water tank 15 has a drain port 31 communicating with a drain pipe 30 for introducing flush water to the toilet 11, but the other end of the chain 29 described above closes the drain port 31. It is connected to the ball valve 32.

Thus, when the rotary solenoid 28 operates, the ball valve 32 is lifted via the chain 29. Further, in this embodiment, the ball valve 32 is the manual lever 33.
It is designed to open even by. Manual lever 33
An operating lever 33a is formed on the other end side of the ball lever 32, and a ball valve 32 is connected to the operating lever 33a via a chain 34. Then, when the user rotates the manual lever 33, the operating shaft 33a pulls up the chain 34 and the ball valve 32 to open the drainage port 31.

The manual lever 33 is provided with a magnet 36a of a manual detection sensor 36. The manual detection sensor 36 detects that the user has rotated the manual lever 33, and the movement of the magnet 36 a that rotates with the rotation of the manual lever 33 is the same as that of the water tank 1.
The Hall ICs 36b and 36c (FIG. 3) arranged in the position 5 are used for detection. Hall IC 36b
Detects that the manual lever 33 has rotated counterclockwise in FIG. 3 and instructed to discharge a large amount of water, and the Hall IC 36
In c, the manual lever 33 is rotated clockwise to detect that a small amount of water has been discharged. The Hall ICs 36b and 36c output signals to the CPU 35 through the signal line 37 (FIG. 2) and the line 24 (FIG. 1). When the Hall ICs 36b and 36c detect the magnet 36a, flags F1 and F2, which will be described later, change from "0" to "1" and are stored.

The casing 12, the rotary solenoid 28 in the water tank and the manual detection sensor 36 are connected by a line 24, and supply of electric power to the rotary solenoid 28 and
The output from the manual detection sensor 36 is received.

Next, the operation of this embodiment will be described with reference to the flowchart of FIG.

First, at step 40, flags F1 and F2 indicating whether the user has used the manual lever 33, a flag F3 indicating whether the shower switch 16a has been used, and whether the bidet switch 16b has been used. The flag F4 indicating "1" is cleared to "0". In step 41, the human detection sensor 17 indicates that the user is in the area A.
Determine if you are in (Figure 1). When the user enters the toilet room, he / she first stands in area A.
The step 41 is looped until the user enters the room and is located in the area A. Then, when the user enters the toilet and is located in the area A, the optical signal transmitted from the light emitting section 17a of the human detection sensor 17 is reflected by the user, and the light receiving section 17b receives the optical signal, and the CPU 35 receives it. A signal indicating the distance from the human detection sensor 17 to the user is output, and the CPU 35 determines that the user is in the area A. In this way, when the entry of the user is detected, the process proceeds to step 42, and the timer A is started.

When the predetermined time Ta has elapsed in step 43, it is determined in step 44 whether the user is in the area B or not. Here, if the user is pissing, the user is not located in the area B, and thus step 45 is executed. In step 45, it is determined whether the manual lever 33 has been operated after the user entered the room. When the user operates the manual lever 33 to discharge a large amount of water, the Hall IC 36b detects this and the flag F1 is detected.
When a small amount of water is discharged, the Hall IC 36c detects this, and thus the flag F2 is set to "1". In step 45, flag F
If at least one of 1 and F2 is set to "1", it is determined that the cleaning of the toilet 11 has been completed, and the routine ends. If both flags are "0", the rotary solenoid 28 is operated in step 46,
The ball valve 32 is pulled up to the position Y (FIG. 2), and a small amount of water suitable for small convenience is discharged to the toilet bowl 11.

Next, the case where the user is detected at the position B in step 44 will be described. When the user sits on the toilet seat 14, the CPU 35 detects that the user is in the area B by the human detection sensor 17, and starts the timer B in step 47.

When the predetermined time Tb is reached in step 48, step 49 is executed to judge whether the bidet switch 16b is used or not based on the state of the flag F4. Flag F
If the shower switch 16a is not used in step 4 and thereafter, the number 4 remains "0". In this case, it is determined that the bidet switch 16b is not used, and the process jumps to step 51. If F4 is "1", step 50 is executed assuming that the bidet switch 16b is used. In step 50, it is judged from the state of F3 whether or not the shower switch 16a has been used. Similar to the case of the flag F4, when the flag F3 is "0", it is determined that the shower switch 16a is not used, and the CPU 35 executes the step 45 as described above.

When the flag F3 is "1", it is determined that the shower switch 16a is used and the CPU
Step 35 executes step 51 to judge whether the manual lever 33 has been operated after the user entered the room. When the user operates the manual lever 33 to discharge a large amount of water, the Hall IC 36b detects this, and the flag F1 is set to "1". In step 51, if the flag F1 is "1" regardless of the flag F2, the toilet 1
The routine is terminated assuming that the cleaning of 1 has been completed. If the flag F1 is "0", step 5
At 2, the rotary solenoid 28 is actuated, the ball valve 32 is pulled up to the position X (FIG. 2), and a large amount of water suitable for great convenience is discharged to the toilet bowl 11.

As described above, in the operation of the present embodiment, Table 1 shows the relationship between the standing condition and the seated condition determined by the human detection sensor 17, the operation of the shower switch 16a and the bidet switch 16b, and the water discharge amount.

[0023]

[Table 1]

In this way, when the shower switch 16a is used in the seated state (Nos. 2 and 3), it is determined that it is a stool, regardless of the usage state of the bidet switch 16b, and a large amount of water is discharged. . However, when the shower switch 16a is not used in the seated state (No. 4,
In 5), the discharge amount is not necessarily a small amount. this is,
This is because some users have a preference for using the nozzle device 18 and do not use it at all. Therefore, in the present embodiment, when only the bidet switch 16b is used (No. 4), the user determines that the user is a type of person who has no resistance to using the nozzle device 18, and only the bidet switch 16b is used. Since it is only used, a small amount of water is discharged. And when neither the shower nor the bidet switch is used (No. 5)
In the case of a type that may be resistant to the use of the nozzle device 18, a large amount of water is discharged so that there is no unflowed residue.

As described above, in this embodiment, in determining the amount of water discharged, as many as five situations are set according to the usage states of the human detection sensor 17 and the nozzle device 18, so that the situation judgment by the CPU 35 is close to the actual use of the toilet bowl. Therefore, it becomes possible to more appropriately discharge water according to the usage status of the toilet bowl.

In this embodiment, a large amount of water is discharged when neither the shower switch nor the bidet switch is used (No. 5), but the present invention is not limited to this. Instead, it is possible to discharge a small amount of water depending on the household in which the cleaning device is installed. That is, in a home where the shower device is always pressed to wash the nozzle device 18 during heavy use, it is possible to determine the water discharge amount only by the judgment from the shower switch. Also in this case, the nozzle device 18
Since the use as a shower for determining the amount of water discharged is used as a criterion for determining the amount of water discharged, it is possible to reliably determine when a stool is discharged, and a more accurate amount of water discharged can be obtained.

[0027]

According to the present invention, the operating condition of the toilet bowl is determined by the operation of the cleaning nozzle means and is not determined only by the operating condition of the toilet seat or the position of the user as in the conventional case.
It is possible to control the amount of water discharged by the water discharge means in a more complicated manner, and it is possible to more appropriately perform water discharge according to the usage status of the toilet bowl.

[Brief description of drawings]

FIG. 1 shows a side view of an automatic flush toilet device according to an embodiment of the present invention.

FIG. 2 shows a cross-sectional view of a water tank provided with an automatic flush toilet device of a water embodiment.

FIG. 3 shows a manual detection sensor of this embodiment.

FIG. 4 is a block diagram showing a relationship between each detection unit and a CPU of this embodiment.

FIG. 5 is a flowchart showing the operation of the present embodiment.

FIG. 6 shows a side view of a conventional automatic flush toilet device.

[Explanation of symbols]

 11 Water Tank 16a Shower Switch (Anal Cleaning Means) 18 Nozzle Device (Anal Cleaning Means) 17 Human Detection Sensor (Human Detection Means) 28 Rotating Solenoid (Water Discharging Means) 32 Ball Valve (Water Discharging Means) 35 CPU (Control Means)

Claims (1)

[Claims] 1. A water tank, a water discharge means disposed in the water tank for discharging a large amount of water corresponding to heavy stools or a small amount of water corresponding to small stools, and a human body disposed in the urinal. Washing nozzle means for ejecting washing water toward the user, person detecting means for detecting the standing state and seated state of the user, and the water discharging means when only the standing state of the user is detected by the person detecting means An automatic flush toilet device comprising a control means for discharging a small amount of water and controlling the operation of the water discharge means according to the operating state of the washing nozzle means when the seating state is detected by the human detection means. .