JPH09195356A - Washing device of toilet stool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to surely wash a toilet stool in after the stool is used even when control for washing the stool in after the stool is used is forgotten and to enable the following stool user to use the stool comfortably. SOLUTION: A sitting sensor is provided in the stool seat 14, and when the sitting sensor detects the sitting continuously during the set time, a controlling section 26 executes an automatic washing mode, and while a valve driving device is operated to open a washing valve to wash the stool after the elaspse of specific time since the sitting sensor detects the rising from the seat, when a washing switch 34 in a remote control device 28 is pushed on the way of the execution of the automatic washing mode, it is switched to a remote control washing mode to forcedly and immediately wash the stool.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toilet bowl cleaning device, and more particularly to a toilet bowl cleaning device including a cleaning valve for opening and closing a toilet flush water supply passage and a valve drive device for driving the cleaning valve to open and close. .

[0002]

2. Description of the Related Art Conventionally, a toilet bowl with a local cleaning device has been widely used in which after washing water is used, cleaning water for local cleaning is jetted from a cleaning nozzle to clean a human body. In this toilet with a local cleaning device, a cleaning valve that opens and closes a supply passage for toilet cleaning water and a valve drive device that drives the cleaning valve to open and close are provided, and the cleaning valve is opened by the valve drive device to clean the toilet bowl. It is known that the toilet is flushed with water.

In the case of a toilet bowl cleaning device of this kind, the toilet bowl can be cleaned simply by operating the valve drive device based on the switch operation, which has the advantages of high convenience and cleanliness. When the user forgets to operate the switch, the toilet bowl is not washed, and there is a problem that the person using the toilet bowl cannot comfortably use the toilet bowl.

[0004]

The device of the present invention has been devised to solve such a problem. Thus, the device of the invention of the present application includes a human body detection sensor for detecting a toilet user, a washing valve for opening and closing a supply passage for toilet flush water, a valve driving device for driving the washing valve to open and close, and the valve driving device. And a remote control device that supplies an operation signal to the control unit, and the control unit includes:
When the human body detection sensor continues to detect a human body for a set time, the automatic washing mode is executed, and then the human body detection sensor continues the sensing operation, and a predetermined time elapses after the human body detection sensor no longer detects the human body. After that, the valve driving device is operated to open the cleaning valve,
While performing the toilet cleaning, while switching to the remote controller cleaning mode when the toilet cleaning operation section of the remote control device is operated during execution of the automatic cleaning mode, regardless of whether or not the human body sensor detects human body, It is characterized in that the valve drive device is actuated to open the washing valve to perform toilet flushing (claim 1).

According to another aspect of the present invention, in the apparatus of claim 1, the human body detecting sensor is a seating sensor for detecting seating of a human body on a toilet seat (claim 2).

According to still another aspect of the present invention, in the apparatus according to claim 2, when the seating sensor continues to detect seating for a predetermined time after executing the remote controller cleaning mode, The automatic cleaning mode is switched to the automatic cleaning mode again, and the automatic cleaning mode is executed (claim 3).

According to a second aspect of the present invention, in the apparatus according to the second aspect or the third aspect, the toilet bowl is provided with a cleaning nozzle for cleaning a human body part, and the set time elapses after the seating sensor detects the seating. Before, when the cleaning water is jetted from the cleaning nozzle, the control unit switches to the automatic cleaning mode and executes the automatic cleaning mode (claim 4). .

[0008]

As described above, according to the first aspect of the invention, the human body detecting sensor for detecting the toilet user and the control unit for controlling the valve driving device are provided, and the human body detecting sensor continuously sets. When the human body is sensed for a period of time, the control unit recognizes that the toilet is actually used, and the control unit continues the automatic washing mode, that is, the human body sensor continues to perform the sensing operation, and the human body sensor detects the human body. According to the present invention, the valve drive device is operated to open the flush valve after a predetermined time has passed since it disappeared. The toilet bowl is cleaned, and therefore, the toilet bowl can be cleaned without any operation by the user, which is convenient and the next user may feel uncomfortable because of forgetting to wash the toilet bowl. It is possible to reliably avoid that.

According to the present invention, a remote control device is provided, and when an operation for cleaning a toilet bowl is performed on the remote control device, the toilet bowl is forcibly cleaned regardless of whether or not the human body sensor detects the human body. According to the present invention, the toilet user can immediately force the toilet bowl to be flushed based on the user's will, and whether or not the toilet bowl is flushed when the user leaves the toilet bowl after using the toilet bowl. The advantage is that you do not need to check the time and effort.

In addition, according to the present invention, while the toilet is being used, the toilet cleaning operation can be performed while the user sits on the toilet seat, for example. That is, it is possible to cause the toilet bowl to be washed based on the toilet user's will in a state where the conditions for the automatic cleaning mode, such as performing the toilet bowl cleaning after a predetermined time has passed since the human body sensor no longer senses the human body, are satisfied. it can.

According to a second aspect of the present invention, the human body detecting sensor is configured as a seating sensor for detecting the sitting of the human body on the toilet seat. The operation for cleaning can be controlled.

According to the third aspect of the present invention, after the toilet user operates the remote controller to wash the toilet, when the seating sensor continues to seat for a predetermined set time, the automatic cleaning mode is resumed. It is designed to be executed by the control unit. As a usage pattern of the toilet bowl, the remote controller may be operated to forcibly wash the toilet bowl and then leave the toilet seat and leave the toilet bowl. I may continue.

Thus, according to the present invention, even if the toilet is once cleaned by operating the remote controller, if the toilet is still used, then the toilet is automatically cleaned again. By doing so, it is possible to wash the toilet bowl according to the wishes of the toilet user when necessary, and at the same time secure the automatic toilet bowl cleaning operation after using the toilet bowl. can do.

As a usage pattern of the toilet bowl, more specifically, as a usage pattern in a toilet bowl equipped with a local cleaning device, there is also a usage pattern of simply sitting on a toilet seat and performing only local cleaning by spraying cleaning water from a cleaning nozzle. There is a possibility that the sitting time on the toilet seat is shorter than the set time.

However, even in this case, the toilet bowl is contaminated, and therefore the present invention automatically cleans the toilet bowl even after the set time has elapsed. According to the present invention, the toilet bowl can be reliably cleaned. The toilet bowl can be returned to a clean state before use, and the toilet bowl user can comfortably use the toilet bowl next time (claim 4).

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the drawings. In FIG. 1, 10 is a toilet bowl with a local cleaning device, 12 is a toilet body, 14 and 16 are a toilet seat and a toilet lid, respectively, and 18 is a wash water tank for containing wash water therein. Reference numeral 20 denotes a local cleaning device. The local cleaning device 20 has a pair of first and second cleaning water nozzles 22 and a main body box 24.
The control unit 26 is housed in the inside of the unit 4.

Reference numeral 28 denotes a remote control device having a transmitting section 30 from which an infrared signal is transmitted. The transmitted infrared signal is received by the receiver 3
2 (see FIG. 3) and the signal is input to the control unit 26. The remote control device 28 is provided with a cleaning switch 34 for cleaning the toilet bowl.

As shown in FIG. 2, the wash water tank 18
A drain port 36 for draining flush water stored in the interior for flushing the toilet is provided at the bottom of the drain port so that the drain port 36 is opened and closed by a float valve 38 as a flush valve. Has become.

The float valve 38 is connected via a chain 42 to a pulling rod 44 rotatably provided in the wash water tank 18, and the float valve 38 is pulled up based on the rotating operation of the pulling rod 44. Outlet 3
6 is open.

The pull-up rod 44 penetrates the tank wall and projects to the outside, and the valve drive device 46 and the lever 48 are connected thereto. This valve drive device 46 has a casing 50, inside which the pulling rod 4
The gear 52 fixed to the No. 4 is housed.

A valve drive motor 54 is also housed inside the casing 50, and a gear 52 fixed to the pulling rod 44 is fixed to a gear 58 fixed to the output shaft 56 of the valve drive motor 54. But the intermediate gears 60, 62,
They are meshed with each other via 64 and 66. That is, the pull-up rod 44 is configured so that the gears 52, 60, 62, 64, 6
6 and 58, the valve drive motor 54 is operatively connected to the valve drive motor 54 to lift the float valve 38 upward. The lever 48
Is for rotating the pulling rod 44 manually.

As shown in FIG. 3, the control unit 26 includes a solenoid valve 7 for opening and closing the passage for jetting the washing water from the electromagnetic pump 69 and the washing water nozzle 22 in the local washing device 20.
0, and the valve drive motors 54 are electrically connected so that they can be operated under the control of the control unit 26. That is, in this example, the control unit 26 of the local cleaning device 20 also serves as the control unit of the toilet cleaning device.

In this example, a seating sensor 68 as a human body detecting sensor is provided inside the toilet seat 14, the seating sensor 68 is connected to the control unit 26, and the seating sensor 68 is used for seating or dismounting. Based on the detection of the seat, the control unit 26 controls the valve drive motor 54 and the opening / closing of the discharge port 36 by the float valve 38.

The toilet bowl cleaning device of this embodiment is provided with a seat sensor 68.
The control unit 26 executes the automatic cleaning mode when the seating of the human body on the toilet seat 14 is continuously sensed for the set time, and the remote controller cleaning mode is executed when the cleaning switch 34 of the remote controller 28 is operated. FIG. 4 shows an execution procedure of control for cleaning the toilet by the control unit 26.

In this example, as shown in FIG.
When the toilet user continuously sits on the toilet seat 14 for 6 seconds or more (steps S10 and S12), the automatic cleaning mode is executed, and when the seating sensor 68 detects that the toilet user is sitting (step S16). After 6 seconds, the valve drive device 46 is operated to open the float valve 38, and the toilet flush water stored in the flush water tank 18 is discharged from the discharge port 36 (S18, S20).

On the other hand, when the toilet user operates the cleaning switch 34 of the remote controller 28 during the execution of this automatic cleaning mode, the control section 26 executes the remote controller cleaning mode,
There, the valve drive device 46 is immediately actuated to perform the opening operation of the float valve 38, that is, the toilet cleaning (S1).
4, S24).

In this remote control cleaning mode,
When the toilet user sits down 30 seconds after the toilet has been washed, the toilet is not washed thereafter (S26, S29),
On the other hand, when the user continues to sit on the toilet seat 14 for 30 seconds or more, the automatic cleaning mode is executed again. That is, after that, when the toilet user disengages from the toilet seat 14, the toilet is washed again after 6 seconds have passed (S1).
6, S18, S20).

As a usage pattern of the toilet bowl, the flush switch 34 of the remote control device 28 may be operated while sitting on the toilet seat 14 after the toilet is worn, while the flush switch 34 is once pressed to flush the toilet bowl, that is, In some cases, after the toilet flush water in the flush water tank 18 is discharged, the toilet bowl 14 may be continuously or again seated on the toilet seat 14, and the toilet bowl may be continuously used. In this case, it is necessary to wash the toilet bowl after using the toilet bowl even after the toilet bowl is once washed.

In the present example, assuming such a case as well, when the seat 14 is continuously seated for 30 seconds or more, the automatic cleaning mode is executed.
After the toilet user has left the toilet seat 14, the flush water is discharged to clean the toilet bowl.

In the case of the toilet 10 equipped with the above-mentioned local cleaning device 20, the usage pattern may be such that the user sits on the toilet seat 14 and performs only local cleaning by spraying cleaning water from the cleaning water nozzle 22. In this case, the sitting time on the toilet seat 14 is often less than 6 seconds, but the toilet bowl is still soiled even when such a local cleaning operation is performed. Therefore, in this example, even if the sitting time on the toilet seat 14 is less than 6 seconds, the automatic cleaning mode is executed subsequent to steps S12 and S30 to clean the toilet bowl.

On the other hand, when the toilet user disengages from the toilet seat 14 after the seating on the toilet seat 14 is sensed but the cleaning water jetting operation from the cleaning water nozzle 22 is not performed thereafter ( (S30, S32), without returning to the toilet bowl, the process returns to step S12 and the subsequent steps are executed.

As described above, according to this embodiment, when the toilet bowl user leaves the toilet bowl after applying the toilet bowl, the toilet bowl is automatically cleaned, so that the toilet bowl bowl does not require any operation by the toilet bowl user. It is possible to perform the cleaning, and the convenience is improved, and it is possible to reliably prevent the next user from feeling uncomfortable due to forgetting to clean the toilet bowl.

Further, in this example, the remote control device 28 is provided, and when the operation for cleaning the toilet bowl is performed on the remote control device 28, the toilet bowl is forcibly cleaned regardless of whether or not the seating sensor 68 detects seating. , According to this example,
It is necessary for the toilet user to forcefully wash the toilet immediately based on his or her will, and it is necessary to take the time and effort to confirm whether or not the toilet bowl will be cleaned when leaving the toilet after using the toilet. There is no advantage.

In addition, while the toilet bowl is being used, the toilet bowl cleaning operation can be performed while the user sits on the toilet seat 14, for example. That is, it is possible to cause the toilet bowl to be washed based on the intention of the toilet user in a state where the condition for the automatic cleaning mode such as performing the toilet bowl cleaning 6 seconds after the seating sensor 68 does not detect the sitting is satisfied. .

Although the embodiment of the present invention has been described in detail, this is merely an example. For example, in the present invention, when the toilet bowl is washed after the user has removed from the toilet seat,
It is possible to wash the toilet bowl after closing the toilet seat and the toilet lid in advance, or to wash the toilet bowl simultaneously with the closing operation of the toilet seat and the toilet lid. In this case, it is possible to prevent the wash water from leaking from the opening of the toilet body to the outside by the toilet lid, and there is an advantage that the toilet cleaning noise can be reduced.

In this case, it is possible to provide an automatic opening / closing motor for the toilet seat and the toilet lid on the toilet bowl, and to control the automatic opening / closing motor for the toilet seat and the toilet lid by the control unit. In addition, the present invention can be configured in a form in which various changes are made without departing from the gist thereof.

[Brief description of the drawings]

FIG. 1 is a view of a toilet bowl including a cleaning device according to an embodiment of the present invention.

FIG. 2 is a view showing a main part of the toilet bowl cleaning device in FIG.

3 is a block diagram of a control system of the toilet in FIG.

FIG. 4 is a flowchart showing a control execution procedure in the control unit of FIG.

[Explanation of symbols]

 10 Toilet bowl 12 Toilet body 14 Toilet seat 16 Toilet lid 20 Local cleaning device 22 Cleaning nozzle 26 Control part 28 Remote control device 38 Float valve 46 Valve drive device 54 Valve drive motor 68 Seating sensor

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Susumu Yamaguchi 5-1, Koihonhoncho, Tokoname-shi, Aichi Inax Co., Ltd. (72) Ikuya Iwata 5-1-1, Koiemotohoncho, Tokoname-shi, Aichi Inax Co., Ltd. Within

Claims (4)

[Claims] 1. A human body detection sensor for detecting a toilet user, a cleaning valve for opening and closing a toilet flush water supply passage, a valve drive device for driving the cleaning valve to open and close, and an operation of the valve drive device. A control unit and a remote control device for supplying an operation signal to the control unit are provided, and the control unit executes an automatic cleaning mode when the human body detection sensor continuously detects a human body for a set time, and subsequently, While continuing the sensing operation of the human body detection sensor, after a predetermined time has elapsed since the human body detection sensor no longer senses the human body, the valve drive device is operated to open the flushing valve to perform toilet flushing. The presence / absence of human body detection by the human body detection sensor by switching to the remote control cleaning mode when the toilet cleaning operation section of the remote control device is operated during execution of the automatic cleaning mode Regardless of the above, the toilet cleaning device is characterized in that the valve drive device is operated to open the cleaning valve to perform toilet cleaning. 2. The toilet bowl cleaning device according to claim 1, wherein the human body sensor is a seating sensor that detects seating of a human body on a toilet seat. 3. The control unit according to claim 2, wherein the control unit switches to the automatic cleaning mode again when the seating sensor continues to detect seating for a predetermined time after executing the remote control cleaning mode. A toilet bowl cleaning device, characterized in that the automatic cleaning mode is executed. 4. The cleaning nozzle according to claim 2 or 3, wherein the toilet bowl is provided with a cleaning nozzle for cleaning a human body part, and the cleaning nozzle cleans the seating sensor before the set time elapses after seating is detected. When the water gushes,
The toilet cleaning device, wherein the control unit switches to the automatic cleaning mode and executes the automatic cleaning mode.