JP2747958B2 - Heating toilet seat device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toilet capable of electrically opening and closing a toilet lid and a toilet seat.

[0002]

2. Description of the Related Art Conventionally, there is a toilet which is equipped with a heater in a toilet seat and heats the toilet seat by energizing the heater, and the toilet is energized even when the heater is not used. Therefore, there is a problem that electricity is wasted.

[0003]

SUMMARY OF THE INVENTION The present invention has been devised in view of the above-mentioned conventional problems, and has as its object to provide a toilet bowl that can reduce heat radiation from a toilet seat and improve the power saving effect. The gist of the invention is that, in a heating toilet seat including an electric opening / closing device that can open and close the toilet lid, and a heater installed inside the toilet seat, a power saving switch operated when lowering the temperature of the heater to save power is turned on. A control device that controls the toilet lid to automatically close via the electric opening and closing device when the toilet lid is closed.

[0004]

Normally, when the power saving switch is turned on, the set temperature of the heater in the toilet seat is lowered to save power. In conjunction with this power saving switch, when the power saving switch is turned on, an automatic operation is performed. By closing the toilet lid automatically, the toilet lid is automatically closed on the toilet seat, the toilet lid prevents radiation from the toilet seat, prevents the toilet seat from cooling, and improves the power saving effect. it can.

[0005]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of the entire toilet bowl, in which a toilet seat box 2 is fixedly provided at the rear of the upper surface of a toilet body 1, and a toilet seat 3 and a toilet lid 4 are disposed on the toilet seat box 2 so as to be openable and closable. A low tank 5 is provided upright behind the toilet seat box 2, and the washing water from the low tank 5 is supplied to a hot water tank portion 2 </ b> A provided inside the left side of the toilet seat box 2. The hot water is heated by a heater in the hot water tank 2A to become hot water, and the hot water is jetted from a nozzle 8 for local cleaning. Further, the toilet seat box 2 is provided with a seating sensor 7 for detecting a state where the user is seated on the toilet seat 3. A remote controller 9 is attached to a wall surface of the toilet or the like, and a transmitter 9a for issuing an operation signal to the toilet body 1 is provided below the remote controller 9.

As shown in FIG. 2, the toilet seat 3 and the toilet lid 4 can be opened and closed by a toilet lid motor 11 and a toilet seat motor 12 provided in an electric opening / closing unit 10, respectively. The toilet lid 4 can be opened and closed separately, and the open / closed state is as shown in FIG.
It can be detected by a toilet lid position sensor 13 and a toilet seat position sensor 28 (not shown).

[0007] That is, as shown in a schematic diagram of the open / close state of the toilet lid 4, the toilet lid position sensor 13 is constituted by, for example, a magnetic sensor, and is connected to a shaft 15 of the toilet lid 4. It is fixedly disposed outside the toilet lid driving gear 16 driven by the motor 11, and a detection object 14 is provided on the toilet lid driving gear 16 side. The sensor 13 detects the open / closed state of the toilet lid 4. Note that the toilet seat 3 has the same structure as the toilet lid 4.

Incidentally, as shown in FIG.
Opening the cover 17 that can be opened and closed on the upper surface of the
Inside it is an automatic open / close switch 18 and a power saving switch 1
In a state where the automatic opening / closing switch 18 is turned on, when the human body detection sensor 6 provided on the upper surface of the toilet seat box 2 in FIG. 1 detects a state in which a person stands in front of the toilet body 1, The toilet lid motor 11 can be automatically operated to open the toilet lid 4. Further, when the power saving switch 19 is turned on, the set temperature of the heater for heating provided in the toilet seat 3 is controlled to be lowered, and the set temperature of the hot water in the hot water tank 2A is lowered. It is configured to be controlled.

FIG. 6 is a block diagram of each of the main parts.
That is, the control circuit (CP) incorporated in the toilet seat box 2
U) 20, when the human body detection sensor 6 detects the presence of a human body, receives this signal and sends a signal to the toilet lid opening / closing motor drive circuit 21 to make the toilet lid open / close motor drive circuit 21
Drives the toilet lid opening / closing motor 11 to automatically open the toilet lid 4, and the CPU 20 receives signals from the toilet lid position sensor 13 and the toilet seat position sensor 28, The CPU 20 is connected to a heating toilet seat temperature setting circuit 23 for determining a set temperature of a toilet seat heater 24 provided in the toilet seat 3, and further a hot water temperature setting circuit for setting a temperature of a heater 26 in the hot water tank 2A. 25 is also connected.

In this embodiment, when the power saving switch 19 of the remote controller 9 is turned on, the CPU 20 in FIG.
The control shown in the flowchart in FIG. That is, in S1 (step 1) of FIG. 7, it is determined whether or not the power saving switch 19 is turned on. If it is determined that the power saving switch 19 is turned on, the human body detection sensor 6 detects the presence of a human body. In step S2 (step 2), it is determined whether or not a person has been detected. If no human body has been detected, in step S3 (step 3), it is determined whether or not there is anyone in the toilet for T seconds. That is, CPU2
The number of seconds of about 5 to 6 seconds is counted within 0, and 5,
After 6 seconds have elapsed, in S4 (step 4), the CP
A signal is output from U20 to the toilet lid opening / closing motor drive circuit 21, the toilet lid opening / closing motor 11 is driven, and the toilet lid 4 is controlled to be automatically closed. When the human body detection sensor 6 detects that a person is in the toilet for T seconds, a signal to the toilet lid opening / closing motor drive circuit 21 is not output, and the toilet lid 4 remains open. Hold. If a human body is detected in S2 (step 2) and it is confirmed in S5 (step 5) that the toilet seat 3 is closed, it means that the toilet is in use,
In step 6 (step 6), the power saving switch is automatically turned off to increase the set temperature of the heating heater 24 provided in the toilet seat 3 and increase the set temperature of the hot water in the hot water tank 2A. Is controlled.

That is, the control as shown in FIG. 7 is performed automatically when the power saving switch 19 is turned on in a state where no person is present in the toilet and the toilet is not used.
Is closed, and the upper surface of the toilet seat 3 is covered with the toilet lid 4.
When the power saving switch 19 is in the ON state, the CPU 20 simultaneously outputs a command signal to the heating toilet seat temperature setting circuit 23 and the hot water temperature setting circuit 25 so as to lower the set temperature. The temperature of the toilet seat 3 is lowered, and the temperature of the hot water tank 2A is lowered, thereby exhibiting a power saving effect.

Next, the CPU 20 also performs the control shown in the flowchart of FIG. That is, in S10 (step 10) of FIG. 8, it is determined whether or not the toilet lid 4 is closed. This is determined by a signal from the toilet lid position sensor 13, and when the toilet lid 4 is closed, S11
In (Step 11), the CPU 20 outputs a command signal to the heating toilet seat temperature setting circuit 23 and the hot water temperature setting circuit 25 to lower the set temperature. Note that S
At step 10 (step 10), the toilet lid 4 is open and S1
4 (Step 14), when it is confirmed that the toilet seat 3 is open, it is in a state of being used by a man for urination,
Since the toilet seat 4 and the toilet lid 4 are both open and in contact with each other, the heat dissipation of the toilet seat 3 is prevented by the toilet lid 4, and the power saving operation of S11 (step 11) is performed. Next, when the toilet lid 4 is automatically or manually opened from the state in which the toilet lid 4 is closed, the opened state is determined in step 12, and the process proceeds to step S15 (step 1).
After confirming that the toilet seat 3 is closed in 5), the power saving operation is canceled in S13 (step 13). That is, when the toilet lid 4 is opened, a command signal is output to the heating toilet seat temperature setting circuit 23 and the hot water temperature setting circuit 25 to increase the set temperatures. That is, in this state, since the toilet lid 4 is opened and the toilet seat 3 is closed, and the toilet is in a use state, the temperature of the toilet seat 3 and the temperature of the hot water spouted from the nozzle 8 are raised.

In the control of FIG. 8, the temperature of the toilet seat 3 and the hot water tank 2A is controlled based on the open / close state of the toilet lid 4 and the toilet seat 3 irrespective of the ON / OFF operation of the power saving switch 19. Will be Therefore, in a state where the toilet lid 4 is closed or the toilet lid 4 and the toilet seat 3 are both opened, the temperatures of the toilet seat 3 and the hot water tank 2A are always lowered to save power, and wasteful power is consumed. Consumption can be reduced.

[0014]

According to the present invention, there is provided a power-saving opening / closing device for opening and closing a toilet lid, and a power-saving operation which is operated when the temperature of the heater is reduced to save power in a heating toilet seat in which a heater is provided inside the toilet seat. When the switch is turned on, by providing a control device that controls the toilet lid to automatically close via the electric opening and closing device, the toilet lid is automatically closed when the power saving switch is turned on, The upper surface of the toilet seat is covered with the toilet lid, heat radiation from the toilet seat is prevented, and the power saving effect can be further improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of the entire toilet bowl.

FIG. 2 is a schematic configuration perspective view of an opening and closing device for a toilet seat and a toilet lid.

FIG. 3 is a side view of the toilet bowl.

FIG. 4 is a schematic side view showing the open / closed state of the toilet lid.

FIG. 5 is a perspective view of a main part of the remote controller with an upper cover opened.

FIG. 6 is a schematic block diagram of a control system.

FIG. 7 is a flowchart showing control contents when a power saving switch is turned on.

FIG. 8 is a flowchart showing the control contents when the toilet lid is closed.

[Explanation of symbols]

 Reference Signs List 1 toilet body 2 toilet seat box 2A hot water tank 3 toilet seat 4 toilet lid 6 human body detection sensor 9 remote controller 11 toilet lid opening / closing motor 12 toilet seat opening / closing motor 13 toilet lid position sensor 19 power saving switch 20 CPU (control device) 21 toilet lid opening / closing Motor driving circuit 23 Heating toilet seat temperature setting circuit 25 Hot water temperature setting circuit 28 Toilet seat position sensor

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor: Yutaka Mizutani 5-1-1 Koie Honcho, Tokoname-shi, Aichi Inside Inax Inc. (72) Inventor: Seiji Tanaka 2-1-1 Asahi-cho, Kariya-shi, Aichi Ai Inside Shin Seiki Co., Ltd. (72) Inventor Mitsuhiro Ohara 2-1-1 Asahicho, Kariya City, Aichi Prefecture Inside Shin Shin Seiki Co., Ltd. (72) Inventor Yuji 2-1-1 Asahicho, Kariya City, Aichi Prefecture Ai Shin Seiki Co., Ltd. (72) Inventor Shinji Kawai 2-1-1 Asahicho, Kariya City, Aichi Prefecture Aisin Seiki Co., Ltd. (56) References JP-A-60-13142 (JP, A) JP-A-61-103427 (JP, A ) Actually open 1979-942 (JP, U) Actually open hei 3-106999 (JP, U)

Claims (1)

(57) [Claims] 1. An electric opening / closing device capable of opening and closing a toilet lid,
And, in a heating toilet seat in which a heater is provided inside the toilet seat, when a power saving switch operated when lowering the temperature of the heater to save power is turned on, the toilet lid is automatically closed via an electric opening and closing device. A heating toilet seat device comprising a control device for controlling the temperature of the toilet seat.