JP2000041900A - Toilet seat device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To use a light receiving part concurrently for light from a plurality of luminous or transmission parts under the application of simple and convenient constitution, regarding a toilet seat device. SOLUTION: A detection unit 48 is equipped so as to house a seating sensor luminous part 482 for emitting light toward a level above the opening of a toilet bowl, a human body detection sensor luminous part 484 for emitting light toward a position forward of the toilet bowl, and a light receiving part 483 for receiving reflective light a3 as an infrared ray emitted from the seating sensor luminous part 482 and reflected from a human body, as well as reflective light b2 as a infrared ray emitted from the human body detection sensor 484 and reflected from the human body, and at the same time, receiving emitted light c1 as an infrared ray from a remote controller transmission part 5b. According to this construction, light emitted from a plurality of luminous or transmission parts is received in common under the application of simple constitution without use of a mechanical, system.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toilet seat device, and more particularly to a structure of a detecting means for detecting a seat or a human body.

[0002]

2. Description of the Related Art A toilet seat of this type is disclosed in Japanese Unexamined Patent Publication No.
No. 02551 is publicly known. This will be described with reference to FIG.

In FIG. 5, sleeves are provided on both sides of a case 101 to which a local cleaning device is attached so as to be positioned on both sides of a toilet seat 102, and one sleeve 103a emits light of an infrared sensor for detecting seating. A section 104 is provided. The other sleeve 103b has a light-emitting portion 1 of an infrared sensor for detecting seating.
Light-receiving unit 10 having a light-receiving unit so as to face light-receiving unit 04
5 are arranged. The transmitter 106 of the infrared remote controller is arranged on the wall of the toilet room opposite to the light emitting unit 104 of the infrared sensor for detecting seating of the light receiving unit 105.

In the above configuration, when no person is sitting on the toilet seat 102, the light receiving unit 105 of the light receiving unit 105 faces the light emitting unit 104 of the infrared sensor for detecting seating, and the light emitted from the infrared sensor light emitting unit 104 is emitted. Is received.
Also, in this case, the microcomputer executes the reception processing of the infrared sensor for seating detection by the predetermined switching means. On the other hand, when a person sits on the toilet seat 102, the light receiving unit 105 mechanically operates and rotates 180 °, so that the light receiving unit faces the transmission unit 106 of the infrared remote controller. At this time, the microcomputer performs the receiving process of the infrared remote controller by the predetermined switching means. When the user operates the remote controller in this state, a predetermined function is executed.

[0005]

However, in the above-mentioned prior art, the light receiving portion for receiving the infrared light emitted from the infrared sensor for sitting detection and the light receiving portion for receiving the infrared light emitted from the transmitting portion of the infrared remote controller can be shared. On the other hand, on the other hand, there is a problem that a mechanical mechanism is required to rotate the light receiving unit by 180 °, and the configuration becomes complicated. In addition, when the user is not seated, since the infrared ray emitted from the remote control transmitter cannot be received by the light receiving unit, an operation unrelated to seating (for example, a temperature adjustment operation of the toilet seat or a temperature adjustment operation of the hot water tank). Cannot be performed without sitting down, which is inconvenient.

[0006] Therefore, the present invention has been made in view of the above circumstances, and in the toilet seat device, it is desired to share light reception of light emitted from a plurality of light emitting units or transmitting units in a simple and convenient configuration. It is a technical issue.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned technical problems, the invention of claim 1 is directed to a toilet seat, a seating sensor light emitting portion which emits light toward the upper side of the opening of the toilet, and the seating sensor light emitting portion. The light receiving unit receives the reflected light reflected from the human body and receives the light emitted from the remote control transmitting unit, and the light receiving unit receives the received light information. The toilet seat device includes a control unit that determines whether the received light information is information based on light emission from the seating sensor light emitting unit or information based on light emission from the remote control transmitting unit.

[0008] According to the first aspect of the present invention, the toilet seat device includes the toilet seat, the detection unit, and the control means.
The detection unit includes a seating sensor light emitting unit that emits light toward the upper side of the opening of the toilet and a light receiving unit that receives light reflected from a human body and light emitted from the remote control transmitting unit while light emitted from the seating sensor light emitting unit is reflected. It is stored. The control means is configured to input the received light information to the light receiving unit and determine whether the input received light information is information based on light emission from the seating sensor light emitting unit or information based on light emission from the remote control transmitting unit. Is to be determined.

According to the first aspect of the present invention, with the above-described structure, the light emitted from the light emitting portion of the seating sensor is reflected by the human body and the light emitted from the remote control transmitting portion has a simple structure without using a mechanical mechanism. Can be shared by one light receiving unit. Also, unlike the conventional configuration, which cannot receive light emission from the remote control transmission unit unless the light receiving unit is inverted, it receives light emission from the remote control transmission unit without mechanical reversal operation due to sitting. Since it is possible to perform an operation that is not related to the seating (for example, a temperature adjustment operation of the toilet seat or a temperature adjustment operation of the hot water tank) without sitting down one by one, it is rich in convenience. Further, since the light emitted from the seating sensor light emitting unit receives the reflected light reflected on the human body, the seating sensor light emitting unit and the light receiving unit can be arranged on the same side with respect to the toilet user. For this reason, the seating sensor light emitting unit and the light receiving unit can be housed in one detection unit to be integrally configured. Thereby, the wirings connected to the light emitting portion and the light receiving portion of the seating sensor can have a simple configuration.

In solving the above technical problem, the frequency of light emitted from the seating sensor light emitting section and the light emitted from the remote control transmitting section are set forth in claim 1 as in the invention taken in claim 2. It is preferable that the toilet seat device is characterized in that the frequency is different from the frequency of the toilet seat.

According to the above invention, since the frequency of the light emitted from the light emitting section of the seating sensor is different from the frequency of the light emitted from the remote control transmitting section, the control means controls the light reception information inputted to the control means. When it is determined whether the information is based on the light emission from the seating sensor light emitting unit or the information based on the light emission from the remote control transmitting unit, the frequency of the received light is received as the light receiving information. Can be accurately performed, and thus erroneous recognition can be prevented.

In order to solve the above technical problems,
What was the invention taken in claim 3?

[0013] A toilet seat, a seating sensor light-emitting section that emits light toward above the opening of the toilet, a human body detection sensor that emits light toward the front of the toilet, and reflected light reflected by the human body from light emitted from the seating sensor light-emitting section. And a detection unit in which a light receiving unit for receiving light reflected from the human body and receiving light emitted from the remote control transmitting unit is received, and light receiving information received by the light receiving unit is input. And the received light receiving information is information based on light emission from the seating sensor light emitting unit or information based on light emission from the human body detection sensor light emitting unit or information based on light emission from the remote control transmitting unit. And a control means for determining whether or not the toilet seat device is used.

According to the third aspect of the present invention, the toilet seat device includes the toilet seat, the detection unit, and the control means.
The detection unit includes a seating sensor light emitting unit that emits light toward the upper side of the toilet opening, a human body detection sensor light emitting unit that emits light toward the front of the toilet, and reflected light and a human body that emit light from the seating sensor light emitting unit to the human body. A light receiving unit that receives the light reflected from the light emitted from the detection sensor light emitting unit to the human body and receives the light emitted from the remote control transmitting unit is housed. Then, the control means receives the received light information received by the light receiving section and inputs the received light information based on the light emission from the seating sensor light emitting section or the information based on the light emission from the human body detection sensor light emitting section. This is to determine whether the information is based on the light emission from the remote control transmission unit.

According to the third aspect of the present invention, the light emission from the light emitting portion of the seating sensor is received by the human body detecting sensor with a simple configuration without using a mechanical mechanism. The light receiving of the reflected light reflected by the human body and the light receiving of the light emitted from the remote control transmitting unit can be shared by one light receiving unit. Further, similarly to the first aspect of the present invention, since it is possible to receive the light emission from the remote control transmission unit without the mechanical reversal operation caused by the seating, it is not related to the seating even if the user does not sit down. The operation can be performed, and it is convenient. Furthermore, since the reflected light of the light emitted from the light emitting portion of the seating sensor and the reflected light of the light emitted from the light emitting portion of the human body detection sensor are received, the light emitting portion of the seating sensor, the human body detecting sensor, and the light receiving portion are provided to the toilet user. The light emitting section for the seating sensor, the light emitting section for the human body detection sensor, and the light receiving section can be housed in one detection unit to be integrally configured. Thereby, the wirings connected to the seating sensor light-emitting unit, the human body detection sensor light-emitting unit, and the light-receiving unit can have a simple configuration.

Further, in solving the above technical problem, as in the invention adopted in claim 4, in claim 3, the control means includes a light emitting part for emitting light from the seating sensor and a light emitting part for emitting light from the human body detecting sensor. It is preferable to provide a toilet seat device that performs light emission control so that light emission and light emission do not occur simultaneously.

According to the above invention, the control means controls the light emission so that the light emission of the seating sensor light emitting unit and the light emission of the human body detection sensor light emitting unit do not simultaneously emit light. The light emitted from the sensor light emitting unit is not received by the light receiving unit in duplicate. For this reason, the control means determines a section for recognizing light reception information from each sensor in accordance with the light emission control,
It is possible to determine from which sensor the light receiving information recognized in a predetermined section is the information from which sensor, thereby preventing erroneous recognition.

According to a fifth aspect of the present invention, in the third or fourth aspect, the frequency of the light emitted from the remote control transmitting unit is the same as the frequency of the light emitted from the seating sensor light emitting unit and the frequency of the light emitted from the human body detecting sensor light emitting unit. A toilet seat device characterized in that the frequency is different from the frequency of emitted light.

According to the above invention, the frequency of the light emitted from the remote control transmitter is different from the frequency of the light emitted from the seating sensor light emitter and the frequency of the light emitted from the human body detection sensor light emitter. If the control means receives the frequency of the received light as light reception information, it determines whether the light reception information input to the control means is information based on light emission from the remote control transmission unit or other information. can do. In this case, the present invention and claim 4
In conjunction with the invention of the above, the sensor light emitting units (seated sensor light emitting unit, human body sensor light emitting unit) are identified by their light emitting section, and the sensor light emitting unit and the remote control transmitting unit are identified by their light emitting frequency. Thus, the three persons can be accurately discriminated, and erroneous recognition can be prevented.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to embodiments.

FIG. 1 is an overall perspective view of a Western-style toilet including a toilet seat device in the present embodiment, and FIG. 2 is a top view. In the figure, a Western-style toilet 1 includes a toilet 2, a flush tank 3 in which flush water is stored, and a toilet seat device 4 placed on the upper part of the toilet 1.
And a remote controller 5 as main components.

The toilet seat device 4 is mounted on the outer periphery of the upper part of the toilet 2 so as to surround the toilet 2 from the rear side, and covers the upper surface of the opening edge of the opening 2a of the toilet 2 in the fully closed state.
1. a toilet lid 42 that covers the upper part of the toilet seat 41 in the fully closed state;
And a function unit 43 for performing various functions such as toilet seat heating and hot water washing when the toilet 2 is used, and a detection unit 48 for detecting information from various sensors and a remote controller, and for controlling the function unit 43 and the detection unit 48. A main body case 44 in which the control means 6 is housed, an operation panel 45 installed on the upper surface of the main body case 44 and allowing various functions to be selected by a user's operation, and a lower part of the toilet seat 41 protruding from the human body local part. Local cleaning nozzle 4 as cleaning means for cleaning
6. It also has a bidet nozzle 47 protruding below the toilet seat 41 for cleaning the female part. The toilet seat 41 and the toilet lid 42 have pivot shafts (not shown) integrally attached to their respective base end sides, and these pivot shafts are rotatably supported by shaft holes formed in the main body case 44. Have been. Therefore,
The toilet seat 41 and the toilet lid 42 can be opened and closed by rotating with respect to the shaft hole, and the respective rotating shafts also rotate with this rotation.

The main body case 44 includes a rear portion 44a located on the rear side of the Western style toilet 1, a right sleeve portion 44b protruding forward from a right end in the drawing of the rear portion 44a, and a rear portion 44a.
The detection unit 48 includes a left sleeve portion 44c protruding forward from the left end in the figure.
4b.

The remote controller 5 includes an operation section 5a on which operation buttons for operating all or a part of various functions of the function section 43 are arranged, and a transmission section for transmitting information based on the operation of the operation section 5a as infrared light emission. 5b is provided.

FIG. 3 is a diagram showing a schematic configuration of the detection unit 48 and the control means 6 and an electrical connection between them and a communication relationship between the remote controller 5 and the detection unit 48 in this embodiment. In the figure, the detection unit 48 has a sensor substrate 481 and a reflection plate 485 disposed therein. On the sensor substrate 481, the seating sensor light emitting section 4
82, human body detection sensor light emitting unit 484, and light receiving unit 483
Is attached. Both the seating sensor light emitting unit 482 and the human body detecting sensor light emitting unit 484 emit infrared light. Further, the frequency of the infrared ray emitted from both light emitting units 482 and 484 is different from the frequency of the infrared ray emitted from transmission unit 5b of remote controller 5.
Note that the frequency of the infrared ray emitted from the seating sensor light emitting unit 482 and the frequency of the infrared ray emitted from the human body detection sensor 484 may be the same or different. It is only required that at least the frequency of the infrared ray emitted from the transmitting section 5b of the remote controller 5 be different from the frequency of the infrared ray emitted from the seating sensor light emitting section 482 and the human body detecting sensor light emitting section 484.

The infrared light emitted from the seating sensor light emitting section 482 is emitted toward the reflecting plate 485 as indicated by a1 in the drawing. The infrared rays reflected on the reflection plate 485 change their directions as indicated by a2 in the figure and go upward of the opening 2a of the toilet bowl 2. In this case, when the human body is sitting on the Western-style toilet 1, the infrared light a2 emitted upward from the opening 2a of the toilet bowl 2 is reflected by the human body and received as reflected light as indicated by a3 in the figure. The light is received by the unit 483. When the human body is not sitting on the Western style toilet 1, the infrared a2
Is not reflected by the human body, the reflected light
No light is received by the

The infrared light emitted from the human body sensor light emitting section 484 is emitted toward the front of the toilet 2 as indicated by b1 in the figure. In this case, when the human body is standing in front of the toilet 2, the infrared light b1 emitted toward the front of the toilet 2 is reflected by the human body and received by the light receiving section 483 as reflected light as indicated by b2 in the figure. Is done. When the human body is not standing in front of the toilet 2, the infrared light b <b> 1 is not reflected by the human body, so that the reflected light is not received by the light receiving unit 483.

The control means 6 comprises a control circuit 61 and a microcomputer 62. The control circuit 61 executes a light emission control of the seating sensor light emitting unit 482 and the human body detecting sensor light emitting unit 484 in response to a command from the microcomputer 62, and includes a signal line 61a for the seating sensor light emitting unit 482 and a signal line 62b. The human body sensor light emitting part 4
84 and the light receiving section 483 via the signal line 62c.

The microcomputer 62 outputs the operation control command of the various function units 43 and the two sensors 482 and 484.
The light emission control command is output, and light reception information from the light receiving unit 483 is recognized. FIG. 3 shows only the connection relationship related to the present example. In the figure, a microcomputer 62 controls a control circuit 6 by a first signal output line S1, a second signal output line S2, and a light receiving information input line S3.
1 and is electrically connected. The first signal output line S1 and the second signal line S2 output an HI or LO output level signal from the microcomputer 62 to the control circuit 61. The light receiving information input line S3 is for inputting light receiving information received by the light receiving section 483 from the control circuit 61 to the microcomputer 62.

FIG. 4 is a diagram showing the output states of the first signal line S1 and the second signal line S2 output from the microcomputer 62 over time, with the horizontal axis representing time and the vertical axis representing each signal line S1,
This is the output signal level output from S2. As shown in the figure, the output signal levels output from the first signal line S1 and the second signal line S2 form the same periodic pattern, and one-third (120 °) per one cycle T is used. A continuous HI level output signal is output, and other continuous LO level output signals are output. The output pattern of the output signal level output from the first signal line S1 and the output pattern of the output signal level output from the second signal line S2 are 1
20 ° out of phase. Therefore, as is clear from the figure, the relation between the output states of the output signal levels output from S1 and S2 per one cycle T is three of T1, T2, and T3.
It is divided into sections. The section T1 includes the first signal line S1 and the second signal line S1.
The output states of the output signal levels output from the signal line S2 are both sections of the LO level. The section T2 is a section in which the first signal line S1 is at the LO level and the second signal line S2 is at the HI level. The section T3 is a section in which the first signal line S1 is at the HI level and the second signal line S2 is at the LO level.
In this way, the above-mentioned sections T1, T2,
T3 is switched continuously. In the microcomputer 62, only the frequency of the infrared light emitted from the human body detection sensor light emitting unit 484 is recognized as the light receiving information during the section T1, and even if infrared light having any other frequency is received, this is recognized. Not recognized as received light information. During the section T2, the seating sensor light emitting unit 482
Only the frequency of the infrared light emitted from is recognized as the received light information, and the infrared light having any other frequency is not recognized as the received light information. Further, during the section T3, the remote control transmitting unit 5
Only the frequency of the infrared light emitted from b is recognized as light reception information, and infrared light having any other frequency is not recognized as light reception information. The cycle T is, for example, 1 msec. Very short time intervals of the order.

The first signal line S1 and the second signal line S2 whose output signal levels change periodically as described above.
Is output to the control circuit 61. The control circuit 61 includes a first
When the signal level output from the signal line S1 and the signal level output from the second signal line S2 are both the LO output state, that is, the output state in the section T1 in FIG. 4, the light emission command signal is output to the human body detection sensor light emitting section 484. I do. When the signal level output from the first signal line S1 is LO and the signal level output from the second signal line S2 is HI, that is, the output state in the section T2 of FIG. An emission command signal is output to the unit 482. In this way, the light emission is controlled by the control circuit 61 so that the light emission from the seating sensor light emitting unit 482 and the light emission from the human body detection sensor light emitting unit 484 do not emit light at the same time. Therefore, the light receiving unit 483 includes
The light emission from the seating sensor light emitting unit 482 and the light emission from the human body detection sensor light emitting unit 484 are not received at the same timing.

In the above configuration, when no one is in the toilet room, the infrared light a2 from the seating sensor light emitting section 482 is not reflected by the human body, so that no reflected light a3 is generated.
This is not received by the light receiving section 483. Similarly,
Since the infrared ray b1 from the human body detection sensor light emitting section 484 is not reflected by the human body, no reflected light b2 is generated, and the reflected light b2 is not received by the light receiving section 483. Further, since no one operates the remote control 5, there is no light emission from the remote control transmission unit 5b.

Next, the user enters the toilet room and the toilet 2
Stands, the infrared light b1 from the human body detection sensor light emitting unit 484 is reflected by the user, and the reflected light b2 is received by the light receiving unit 483. Thus, the light receiving section 48
The frequency of the infrared light received by 3 is input to the microcomputer 62 as light reception information via the signal line 61c, the control circuit 61, and the light reception information input line S3. As described above, the microcomputer 62 recognizes the frequency of the reflected light b2 of the infrared ray from the human body detection sensor light emitting section 484 only in the section T1 shown in FIG. 4, but only in the section T1. Since the infrared ray is emitted from 484, the reflected light b2 is always recognized in the section T1. Also, even when light is emitted from the transmission unit 5b of the remote controller 5 in the section T1, the frequency of the infrared light emitted from the transmission unit 5b is the frequency of the infrared light (human body sensor light emission) recognized as light reception information in the section T1. (Frequency of infrared light emitted from the unit 484), and is not recognized as light reception information. In this manner, the presence or absence of a human body in the toilet room is detected.

Next, when the user sits on the Western style toilet 1, the infrared light a2 from the seating sensor light emitting section 482 is reflected by the user, and the reflected light a3 is received by the light receiving section 483. The frequency of the infrared light a3 thus received by the light receiving unit 483 is input to the microcomputer 62 as light receiving information via the signal line 61c, the control circuit 61, and the light receiving information input line S3. Microcomputer 62
Recognizes the frequency of the reflected light b2 of the infrared light from the sitting sensor light emitting section 482 only in the section T2 shown in FIG. 4, but since the infrared light is emitted from the sitting sensor light emitting section 482 only in the section T2, In the section T2, the reflected light a3 is always recognized. Further, even when light is emitted from the transmission unit 5b of the remote controller 5 in the section T2, the frequency of the infrared light emitted from the transmission unit 5b is the same as the frequency of the infrared light recognized as the light reception information in the section T2 (the sitting sensor light emission unit 482), which is not recognized as received light information. In this manner, the presence or absence of a human body in the toilet room is detected. In this way, whether or not the user is seated is detected.

Next, when the user operates the operating section 5a of the remote controller 5, the infrared ray c1 from the remote controller transmitting section 5b is received by the light receiving section 483. Thus, the light receiving section 483
The frequency of the infrared ray c1 received by the microcomputer 62 is input as light reception information to the microcomputer 62 via the signal line 61c, the control circuit 61, and the light reception information input line S3. The microcomputer 62 recognizes the frequency of the infrared ray c1 from the remote control transmission unit 5b only in the section T3 shown in FIG. 4. In this section T3, the light emission from the human body detection sensor light emission and the light emission from the seating sensor light emission unit are also performed. Since there is no such information, the infrared ray c1 is always recognized in the section T3. Thus, the operation of the remote controller 5 by the user is detected.

As described above, the toilet seat device 4 described in the present embodiment emits light toward the front of the toilet 2 with the toilet seat 41, the seating sensor light emitting portion 482 that emits light above the opening 2 a of the toilet 2, and the like. A remote control transmitting unit receives the reflected light a3 of the infrared light emitted from the human body detection sensor light emitting unit 484 and the sitting sensor light emitting unit 482 reflected on the human body and the reflected light b2 of the infrared light emitted from the human body detection sensor 484 reflected on the human body A detection unit 48 in which a light receiving unit 483 that receives the infrared light emission c1 from the light-receiving unit 5b is stored;
And whether the received light information is information based on infrared light emission from the seating sensor light emitting unit 482 or information based on infrared light emission from the human body detection sensor light emitting unit 484. Remote control transmitter 5
b, and a control means 6 including a microcomputer 62 for determining whether the information is based on the emission of infrared light from the infrared sensor b. Receiving reflected light a3 in which infrared light emission is reflected on the human body, human body detection sensor light emitting section 4
Receiving reflected light b2 reflected from the human body by infrared light emission from 84, and infrared light emission c1 from remote control transmitter 5b
Can be shared by one light receiving section 483. Further, in the period T3 in FIG. 4, since the light emission from the remote control transmitting unit 5b can be received by the light receiving unit 483, an operation irrespective of sitting can be executed without sitting down. , It is very convenient. Further, since it is a reflection type infrared sensor system that receives reflected light a3 of infrared light emission from the seating sensor light emitting unit 482 and reflected light b2 of infrared light emission from the human body detection sensor light emitting unit 484, the seating sensor light emitting unit 482, the human body detection sensor light emitting unit 484, and the light receiving unit 483 can be arranged on the same side (right side in this example) with respect to the toilet user, and the seating sensor light emitting unit 482, the human body detection sensor light emitting unit 484, And the light receiving unit 483 to one detection unit 48
It can be housed inside and configured integrally. Thus, the wirings connected to the seating sensor light emitting unit 482, the human body detecting sensor light emitting unit 484, and the light receiving unit 483 can have a simple configuration.

Further, the control circuit 61 controls the light emission of the seating sensor light emitting section 482 and the human body detecting sensor light emitting section 484 based on the state of the output signal level from the microcomputer 62.
Since the light emission is controlled so that the light emission of
The light emission from the seating sensor light emitting unit 482 and the light emission from the human body detection sensor light emitting unit 484 do not overlap and are not received by the light receiving unit 483. Therefore, the microcomputer 6
2 are sensors 48 corresponding to the light emission control.
By determining a section for recognizing the light receiving information from the second and the second section 484, a predetermined section (the human body sensor light emitting section 484) is determined.
The information from the section T1 in FIG.
The information from 82 can determine from which sensor the light reception information recognized in the section T2) in FIG. 4 is, and can prevent erroneous recognition.

The frequency of the infrared light emitted from the remote control transmitter 5b is different from the frequency of the infrared light emitted from the seating sensor light emitting unit 482 and the frequency of the infrared light emitted from the human body detection sensor light emitting unit 484. 62, if the frequency of the received light is received as the received light information, it is determined whether the input received light information is the frequency information of the infrared light emitted from the remote control transmitting unit 5b or other information. Can be. Therefore, the sensor light emitting section (the sitting sensor light emitting section 48)
2. Identification of infrared rays emitted from the human body detection sensor light emitting section 484) is performed based on the light emitting sections T1 and T2, and identification of infrared light emitted from the sensor light emitting section and the remote control transmitting section 5b is received in the section T3. By performing the determination based on the frequency of infrared rays, it is possible to accurately determine the three persons, and to prevent erroneous recognition.

In the above-described embodiment, an example is described in which two sensors of the seating sensor light emitting unit 482 and the human body detecting sensor light emitting unit 484 are provided, but the human body detecting sensor light emitting unit 484 may be omitted. In this case, the detection unit 48 includes a seating sensor light emitting unit 482 and a seating sensor light emitting unit 48 that emit light upward from the opening 2 a of the toilet 2.
A light-receiving unit 483 that receives the reflected light a3 of the infrared light emitted from 2 and reflected on the human body and the infrared light emitted c1 of the remote control transmitting unit 5b is housed. The infrared light emission from the seating sensor light emitting unit 482 and the infrared light emission from the remote control transmitting unit 5b can be identified by changing the frequency of each infrared light.

[0040]

As described above, according to the present invention,
In the toilet seat device, it is possible to share light reception of light emitted from a plurality of light emitting units or transmitting units with a simple and convenient configuration.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a Western-style toilet including a toilet seat device according to an embodiment of the present invention.

FIG. 2 is a top view of a Western-style toilet including a toilet seat device according to an embodiment of the present invention.

FIG. 3 is a diagram illustrating a schematic configuration of a detection unit and a control unit, an electrical connection between them, and a communication relationship between a remote controller and the detection unit in the embodiment of the present invention.

FIG. 4 is a diagram showing an output state of a first signal line S1 and a second signal line S2 output by a microcomputer over time according to the embodiment of the present invention.

FIG. 5 is a diagram showing a toilet seat device according to the related art.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Western-style toilet 2 ... Toilet, 2a ... Opening 4 ... Toilet seat device 41 ... Toilet seat, 42 ... Toilet lid, 43 ... Functional part, 44 ... Body case 45, operation panel, 46, local cleaning nozzle, 47, bidet cleaning nozzle 48, detection unit, 481, sensor board,
482: Seating sensor light emitting unit, 483: Light receiving unit, 484: Human body detecting sensor light emitting unit 5: Remote control, 5a: Operation unit, 5b ...
Remote controller transmitting unit 6 ... Control means 61 ... Control circuit 62 ...
・ Microcomputer

Claims (5)

[Claims] 1. A toilet seat, a seating sensor light emitting portion emitting light toward an upper side of an opening of a toilet, and a light emitted from the seating sensor light emitting portion receives reflected light reflected on a human body and receives light emitted from a remote control transmitting portion. A detection unit in which a light receiving unit to be received is stored; and the light receiving information received by the light receiving unit is input and the received light information is information based on light emission from the seating sensor light emitting unit. And a control means for determining whether the information is based on light emission from a toilet seat. 2. The toilet seat device according to claim 1, wherein a frequency of light emitted from the seating sensor light emitting unit is different from a frequency of light emitted from the remote control transmitting unit. 3. A toilet seat, a seating sensor light-emitting unit that emits light toward the upper part of the toilet, and a human body detection sensor that emits light toward the front of the toilet.
A detection unit in which a light receiving unit that receives reflected light reflected from a human body by light emitted from the seating sensor light emitting unit and reflected light reflected from a human body by light emitted from the human body detection sensor and receives light emitted from a remote control transmitting unit is housed. A unit, light receiving information received by the light receiving unit is input, and the input light receiving information is information based on light emission from the seating sensor light emitting unit or information based on light emission from the human body detection sensor light emitting unit. And a control unit for determining whether the information is information based on light emission from the remote control transmission unit. 4. The toilet seat device according to claim 3, wherein the control means controls light emission so that light emission of the seat sensor light emission and light emission of the human body detection sensor do not emit light at the same time. 5. The frequency of light emitted from the remote control transmission unit according to claim 3 or 4, wherein the frequency of light emitted from the seating sensor emission unit and the frequency of light emitted from the human body detection sensor emission unit are different. A toilet seat device characterized by the above-mentioned.