JP2021055522A - Toilet seat device - Google Patents

Abstract

To provide a toilet seat device of a toilet bowl capable of being used with confidence by capturing a target image in consideration of the privacy of a user.SOLUTION: The toilet seat device includes: a toilet seat 12 arranged above a toilet 10; an image sensor 20 arranged on a back surface 12a of the toilet seat 12 for capturing an internal space of a toilet bowl 11 in excretion; and an anti-reflection part for preventing reflection of a human body on a target image captured by the image sensor 20. The anti-reflection part is of masking printing arranged between the image sensor 20 and the toilet bowl 11 within the angle of view of the image sensor 20.SELECTED DRAWING: Figure 3

Description

The present disclosure relates to a toilet seat device.

For example, in a toilet bowl such as Patent Document 1, it is described that a camera is arranged on the toilet bowl in order to photograph the water reservoir portion of the toilet bowl where excrement is located.

Japanese Unexamined Patent Publication No. 2007-252805

There has been no conventional toilet bowl equipped with a camera that captures the water pool of the toilet bowl in consideration of the reflection of the human body.

The present disclosure provides a toilet seat device that can be used with peace of mind by capturing a target image in consideration of the privacy of the user.

The toilet seat device of one aspect of the present disclosure is an image of a toilet bowl having a toilet bowl, a toilet seat disposed above the toilet bowl, and an image provided on the back side of the toilet seat and capturing the internal space of the toilet bowl at the time of excretion. It includes a sensor and an reflection prevention unit that prevents the reflection of a human body on a target image captured by the image sensor.

It is a perspective view which looked at the toilet seat device by one Embodiment of this disclosure from obliquely above, and is the figure which partially broke the toilet seat. FIG. 3 is a plan view of the toilet seat device shown in FIG. 1 as viewed from above. FIG. 2 is a cross-sectional view taken along the line AA shown in FIG. It is a figure which shows the back surface of the toilet seat which was opened by the toilet seat device shown in FIG. FIG. 3 is a cross-sectional view taken along the line BB shown in FIG. It is a top view of the toilet bowl of the toilet seat device, and is the figure which omitted the toilet seat. FIG. 6 is a cross-sectional view taken along the line CC shown in FIG. It is a top view of the camera cover printed with masking as seen from below. FIG. 8 is a cross-sectional view taken along the line DD shown in FIG. It is a figure which shows an example of the image which took the image by the image sensor provided with the camera cover which was masked printed. It is a vertical cross-sectional view which looked at the toilet seat device by 2nd Embodiment from the front. It is a vertical sectional view of the toilet seat device according to 3rd Embodiment seen from the front. It is a vertical sectional view of the toilet seat device according to 4th Embodiment seen from the front. It is sectional drawing which cut along the anteroposterior direction at the center of the toilet seat device in the left-right direction by 5th Embodiment. It is a vertical cross-sectional view which looked at the toilet seat device by 6th Embodiment from the front. It is a vertical sectional view of a part of the toilet seat device by the 1st modification as seen from the front. It is a vertical sectional view of a part of the toilet seat device by the 2nd modification as seen from the front. It is a vertical cross-sectional view which looked at the toilet seat device by 7th Embodiment from the front. It is a vertical sectional view of a part of the toilet seat device by 8th Embodiment seen from the front. 9 is a vertical sectional view of a part of the toilet seat device according to the ninth embodiment as viewed from the front. It is a vertical sectional view of a part of the toilet seat device according to the tenth embodiment seen from the front. It is a vertical sectional view of a part of the toilet seat device according to the tenth embodiment seen from the front.

Hereinafter, the toilet seat device according to the embodiment of the present disclosure will be described with reference to the drawings.

(First Embodiment)
As shown in FIGS. 1 and 2, the toilet seat device 1 according to the first embodiment has the toilet bowl 10 having the toilet bowl 11, the toilet seat 12 provided to be openable and closable with respect to the toilet bowl 10, and the toilet seat 12. It is provided with a toilet lid (not shown) that can be opened and closed, and an image determination device 2 for acquiring an image of the stool G excreted by the user and determining the state of the stool G from the image. ..

In FIG. 1, a closed toilet seat 12 is shown, and the closed toilet lid covers the opening 11a (see FIG. 4) of the toilet bowl 11 from above via the toilet seat 12.

In the following description, when the user of the toilet seat device 1 is seated on the toilet seat 12, the front side of the user is the front side, the back side of the user is the rear side, and the direction connecting the front side and the rear side is front and back. It is called direction X1. The left side is referred to as the "left side", the right side is referred to as the "right side", and the direction connecting the left side and the right side is referred to as the left-right direction X2 when viewed from the user seated on the toilet seat 12. The side away from the floor on which the toilet seat device 1 is installed is referred to as the "upper side", the side closer to the floor surface is referred to as the "lower side", and the direction connecting the upper side and the lower side is referred to as the vertical direction X3.

As shown in FIG. 3, the upper surface 11b of the opening 11a of the toilet bowl 11 is provided with a rim that projects toward the inner space of the toilet bowl 11. A water reservoir 11c is arranged at the bottom of the toilet bowl 11, and the water reservoir 11c is connected to a toilet drainage channel 14 for discharging stool G from the toilet bowl 11.

The toilet seat 12 is provided at the rear portion of the toilet bowl 10 and is rotatably configured around a rotation shaft O1 extending in the left-right direction X2. By rotating as described above, the toilet seat 12 is in a closed state in which it is in contact with the upper end of the toilet bowl 11 and expands in the left-right direction X2 and the front-rear direction X1, and at least up and down away from the upper surface 11b of the toilet bowl 11. It can be in any open state that extends in direction X3. The toilet seat 12 forms an annular shape that extends continuously in the circumferential direction, and is in contact with the upper surface 11b of the toilet bowl 11 in a closed state. The opening of the opening 12b of the toilet seat 12 is set to be slightly smaller than the opening of the opening 11a of the toilet bowl 11 when viewed from above. When the toilet seat 12 is in the closed state, the toilet seat 12 projects toward the inner space from the upper surface 11b of the toilet bowl 11.

As shown in FIGS. 4 and 5, the back surface 12a of the toilet seat 12 is provided with support members 13 projecting downward at four locations in the circumferential direction. The four support members 13 support the toilet seat 12 at four points with respect to the upper surface 11b of the toilet bowl 11 when the toilet seat 12 is closed.

The toilet lid (not shown) is rotatably configured around a rotation axis extending in the left-right direction X2, covers the closed toilet seat 12 and extends in the left-right direction X2 and the front-rear direction X1, respectively, and the toilet bowl 11 and the toilet seat 12 respectively. It can be in either a closed state that closes the opening of the above, or an open state that extends at least in the vertical direction X3. That is, the toilet lid is provided so that the openings of the toilet bowl 11 and the toilet seat 12 can be opened and closed.

An image determination device 2 is provided on the back surface 12a of the toilet seat 12. The image determination device 2 includes an image sensor 20 provided on the back surface 12a of the toilet seat 12, a tilt sensor 21 that acquires opening / closing information of the toilet seat 12, and an image sensor 20 according to the opening / closing information of the toilet seat 12 acquired by the tilt sensor 21. The back side of the toilet bowl drainage channel 14 so that the image pickup control unit 22 that controls the possibility of imaging by the toilet bowl 10 and the stool G that has moved from the bottom surface of the water storage portion 11c of the toilet bowl 10 toward the back side of the toilet bowl drainage channel 14 can be imaged. It is provided with an illumination unit 23 for irradiating the light.

The tilt sensor 21 is housed in the toilet seat 12 and is set to detect that the toilet seat 12 is opened when it is about to open at a certain angle or more. As an example of the tilt sensor 21, a ball is housed inside and the tilt is detected by the movement of the ball. The tilt sensor 21 is set so as not to detect a slight rattling or lifting of the toilet seat 12, and the tilt sensor 21 is set to react when the toilet seat 12 is opened more than a set angle. .. In addition to the tilt sensor 21, the open / close acquisition unit may use an automatic open / close device for the toilet seat 12 as an open / close sensor.

In the present embodiment, the image pickup control unit 22 is arranged in the toilet bowl 10 and is provided so as to be able to communicate wirelessly or by wire with the image sensor 20 and the tilt sensor 21. The image pickup control unit 22 controls to stop the image pickup of the internal space (reservoir portion 11c) of the toilet bowl 11 by the image sensor 20 when the opening / closing information acquired by the tilt sensor 21 determines that the toilet seat 12 is in the open state. And a control that can delete the image captured at this time. The image pickup control unit 22 is interlocked with a seating sensor (not shown) such as a load sensor that detects when the toilet seat 12 is seated, and the image sensor 20 captures the internal space of the toilet bowl 11 when the seating is detected. It may be controlled to do so.

The image sensor 20 has a camera lens. The image sensor 20 is installed on the back surface 12a of the toilet seat 12 and can image the internal direction of the toilet drainage channel 14 that discharges the stool G from the water reservoir 11c of the toilet bowl 11. It is arranged in the direction facing the.

As shown in FIGS. 6 and 7, the image sensor 20 can capture the front side (rear side) of the water storage portion 11c and the back side (rear side) of the entrance of the toilet bowl drainage channel 14 (toilet bowl drainage channel opening 14a). It is placed in a suitable position. The sensor arrangement region R of the image sensor 20 of the toilet seat device 1 having the shape according to the present embodiment is defined as a left and right toilet seat lateral region from the toilet seat front region in a symmetrical range sandwiching the center in the left-right direction X2. The area in front of the toilet seat is an area in which the stool G that has entered the toilet drainage channel opening 14a of the toilet bowl 11 can be easily seen. The side area of the toilet seat is an area in which the opening 14a of the toilet drainage channel of the toilet bowl 11 can be seen, and is located at a psychological point and a position where the image of the human body can be avoided in the angle of view (field of view 20A) of the image sensor 20. The area to be placed.

The image sensor 20 is arranged so that the line connecting the center of the camera and the lower end surface 11d of the opening of the toilet drainage channel opening 14a is the center of the field of view 20C of the image sensor 20. At this time, it is preferable that the visual field center 20C of the image sensor 20 is not blocked by the inner surface of the toilet bowl 11. For example, as shown in FIG. 7, the image sensor 20 located in front of the toilet seat 12 is arranged so that the visual field center 20C does not hit the convex curved surface 11e formed on the front inner surface of the toilet bowl 11. Here, the opening lower end surface 11d of the toilet drainage channel opening 14a is a predetermined region (reference numeral 11A) extending in the left-right direction X2 in the front view shown in FIG.

As shown in FIG. 5, the image sensor 20 is preferably arranged at a position opposite to the position of the image sensor 20 with the center line C of the water reservoir 11c in the left-right direction X2 in the front view. The position is such that the center of the field of view 20C (20Ca, 20Cb) is directed. As for the arrangement of the image sensor 20, the risk of reflection of the human body reflected on the water surface Wa in the toilet bowl 11 is reduced when the center of the visual field of reference numeral 20Cb shown in FIG. 5 is set as the center of the visual field of reference numeral 20Ca. Will be done. If the image sensor 20 is arranged so as to face the center of view 20C of the image sensor 20 on the side beyond half of the water surface of the water reservoir 11c in the toilet bowl 11 in the direction viewed from the position of the image sensor 20. Good.

The image sensor 20 has other functions. For example, the brightness is adjustable so as to match the illuminance inside the toilet bowl 11.

The image pickup control unit 22 may have a function of detecting dirt on the camera lens of the image sensor 20 from the image and urging the user to clean the camera lens from the detected detection information.

As shown in FIGS. 8 and 9, the image sensor 20 is arranged at a position at a predetermined distance d (see FIG. 9) from the camera lens in the imaging direction, and is a part of the human body (buttocks, thighs, male organs). A transparent camera cover 24 is provided that physically masks the portion where the image is reflected (the portion of the masking print 24A described later). The camera cover 24 is arranged between the image sensor 20 and the toilet bowl 11 within the angle of view of the image sensor 20. The camera cover 24 is attached via a jig 25 fixed to the back surface 12a of the toilet seat 12. The camera cover 24 is printed or painted with an opaque masking print 24A (shielding portion) in a predetermined area where a part of the human body is reflected.

FIG. 10 is an image 26 captured by the image sensor 20 and is masked by masking printing 24A. In this way, it is possible to physically mask an area that is not reflected in a part of the image.

As shown in FIG. 4, the lighting unit 23 uses, for example, an LED, and is arranged in front of the image sensor 20 on the back surface 12a of the toilet seat 12. As shown in FIGS. 1, 2, 3, and 5, the range of the illumination L irradiated by the illumination unit 23 diffuses from the illumination unit 23 so that the irradiation center is located at the water reservoir 11c of the toilet bowl 11. .. The illumination unit 23 is provided so that the visual field center 20C (see FIG. 5) of the image sensor 20 substantially coincides with the position where the object (reservoir portion 11c) hits the object. As described above, the positional relationship between the lighting unit 23 and the image sensor 20 shows an example in the present embodiment, and the lighting unit 23 is in the vicinity of the image sensor 20 and the toilet bowl drainage channel opening is provided by the image sensor 20. Any position may be used as long as it can irradiate the back side of 14a.

As shown in FIG. 4, on the back surface 12a of the toilet seat 12, a plurality of (three in this case) protective legs are arranged in the vicinity of the image sensor 20 and abut on the upper surface 11b of the toilet bowl 11 with the toilet seat 12 closed. 5 (support portion) is provided. As shown in FIGS. 3 and 5, the protective leg 5 is formed of, for example, a rubber member, and protrudes downward from the back surface 12a of the toilet seat 12 with the toilet seat 12 closed, and the protruding end 5a is a toilet bowl. It abuts on the upper surface 11b of 11. The toilet seat 12 is supported from the lower toilet bowl 11 by four support members 13 and protective legs 5 in a closed state. The three protective legs 5 are arranged on the outer peripheral side at intervals in the circumferential direction with respect to the image sensor 20 located on the inner peripheral side in the inner and outer peripheral directions.

The protective legs 5 are projected at a height such that the image sensor 20 arranged on the back surface 12a of the toilet seat 12 does not come into contact with the upper surface 11b of the toilet bowl 11 when the toilet seat 12 is closed. If there is a portion of the image sensor accommodating portion that protrudes from the back surface 12a of the toilet seat 12, the protective leg 5 is installed so that the image sensor accommodating portion projects so as not to hit the upper surface 11b of the toilet bowl 11. Alternatively, the image sensor storage unit may be installed so as to have a clearance with the upper surface 11b of the toilet bowl 11 formed by the support member 13 of the toilet seat 12 or more so as to protrude from the back of the toilet seat without placing the protective legs 5. ..

As a result, the image sensor 20 is prevented from coming into contact with the upper surface 11b of the toilet bowl 11 due to the deformation of the toilet seat 12 when the toilet seat 12 is closed, for example, by the protective legs 5 or the support member 13 of the toilet seat 12 arranged nearby. External contact can be prevented even when the toilet is open.

Next, the operation of the toilet seat device 1 according to the present embodiment will be described in detail with reference to the drawings. As shown in FIGS. 3 and 4, in the toilet seat device 1 according to the present embodiment, the image sensor is determined only when the image pickup control unit 22 determines that the image can be taken according to the opening / closing information of the toilet seat 12 acquired by the tilt sensor 21. The internal space of the toilet bowl 11 can be imaged at 20. That is, when the image pickup control unit 22 determines that the image pickup is impossible, the image pickup by the image sensor 20 is physically stopped. Therefore, for example, when the image pickup is impossible when the toilet seat 12 is opened or closed, the back surface 12a of the toilet seat 12 It is possible to surely prevent the human body from being photographed by the image sensor 20 provided in the above. Therefore, the toilet seat device 1 of the present embodiment can be used with peace of mind by capturing the target image in consideration of the privacy of the user.

In the present embodiment, the image pickup control unit 22 controls the image sensor 20 to image the internal space of the toilet bowl 11 when the opening / closing information acquired by the tilt sensor 21 determines that the toilet seat 12 is in the closed state. .. In this case, for example, when the toilet seat 12 is opened at a predetermined angle, the image sensor 20 stops imaging, so that the control is performed only when the user sits on the toilet seat 12 and excretes. Therefore, the image is not taken before and after sitting, and the user can use the toilet seat device 1 with peace of mind. Since it is possible to set whether or not the image sensor 20 can be imaged according to the opening / closing angle of the tilt sensor 21, for example, the toilet seat 12 is opened if the toilet seat 12 is slightly opened or displaced within a range in which the human body is not reflected in the captured image. It is possible to perform control so as not to determine the state.

In the present embodiment, the image sensor 20 is installed on the back surface 12a of the toilet seat 12, and the internal direction of the toilet drainage channel 14 for discharging the stool G from the water storage portion 11c of the toilet bowl 11 can be imaged in the toilet bowl drainage channel opening 14a. They are arranged in opposite directions. In this case, the stool G that has rolled into the back side of the toilet drainage channel opening 14a in the toilet bowl 11 does not become a blind spot, and the entire excreted stool G can be reliably imaged.

In the present embodiment, since the illumination unit 23 can irradiate the back side of the toilet bowl 11 from the bottom surface of the water storage portion 11c of the toilet bowl drainage channel 14, the image sensor 20 can image the stool G more clearly. Can be done.

In the present embodiment, the image sensor 20 is arranged at a position where the human body is not reflected in the field of view 20A of the image sensor 20. In this case, it is possible to prevent the human body from being reflected in the field of view 20A imaged by the image sensor 20 when the image pickup control unit 22 determines that the image can be captured as described above.

In the present embodiment, since the image sensor 20 is provided so as to be adjustable in brightness according to the illuminance inside the toilet bowl 11, the image of the stool G captured by the image sensor 20 can be captured more clearly.

In the present embodiment, the camera cover 24 is arranged between the image sensor 20 and the toilet bowl 11, and the masking printing 24A is performed in the area where the human body is reflected in the range of the angle of view (field of view 20A) of the image sensor 20 on the camera cover 24. It has a printed structure. In this case, it is possible to physically eliminate the reflection of the human body in the captured image without adjusting the angle of view of the image sensor 20. There is an advantage that the area of the masking print 24A can be easily changed according to the position of the image sensor 20 and the shape of the toilet bowl 10.

The toilet seat device 1 according to the present embodiment has a function of detecting dirt on the camera lens 20a of the image sensor 20 from an image captured by the image sensor 20 and outputting a signal requiring cleaning. In this case, since the camera lens 20a can be cleaned when the signal requiring cleaning is received, an image that is always easy to see can be obtained, and it becomes difficult to determine the flight G that moves to the image due to dirt on the camera lens 20a of the image sensor 20. Problems can be prevented.

In the present embodiment, the back surface 12a of the toilet seat 12 is provided with the protective leg 5 that comes into contact with the upper surface 11b of the toilet bowl 11 with the toilet seat 12 closed. It is possible to prevent the image sensor 20 from being displaced and the image sensor 20 from being damaged due to stress from the toilet seat 12.

As described above, the toilet seat device 1 according to the present embodiment can be used with peace of mind by capturing the target image in consideration of the privacy of the user.

(Second Embodiment)
As shown in FIG. 11, the toilet seat device 1A according to the second embodiment has a configuration in which the image sensor 20 is arranged at a position separated from the back surface 12a of the toilet seat 12 toward the toilet bowl 11 (downward). .. For example, the image sensor 20 may be attached via a spacer (not shown) forming a sensor fixing portion (reflection prevention portion) having an appropriate shape provided on the back surface 12a of the toilet seat 12, or may project downward as the toilet seat 12. The shape may be integrally molded with the toilet seat 12.

In the second embodiment, since the image sensor 20 projects downward inside the toilet bowl 11, the buttock M of the human body seated on the toilet seat 12 is located below the back surface 12a of the toilet seat 12. Even so, the image sensor 20 can be positioned below the lower surface Ma of the buttocks M, and can be configured so that the human body does not physically enter the field of view of the image sensor 20. As described above, in the second embodiment, it is possible to prevent the human body from being reflected in the image captured by the image sensor 20, and it is possible to use the target image with peace of mind by capturing the target image in consideration of the privacy of the user. Can be done.

(Third Embodiment)
Next, the toilet seat device 1B according to the third embodiment shown in FIG. 12 has a portion (reflection portion) in which the thickness of the toilet seat 12 is increased, and the buttocks M of the seated person is below the back surface 12a of the toilet seat 12. The configuration is set to a size that does not drop to. The position of the image sensor 20 in this case is the same as that of the first embodiment described above, and is directly provided on the back surface 12a of the toilet seat 12.

In the third embodiment, since the thickness of the toilet seat 12 itself is increased, the structure can physically prevent the buttocks M of the human body seated on the toilet seat 12 from being located below the back surface 12a of the toilet seat 12. In the third embodiment, it is possible to prevent the human body from being reflected in the image captured by the image sensor 20, and it is possible to use the target image with peace of mind by capturing the target image in consideration of the privacy of the user.

(Fourth Embodiment)
Next, the toilet seat device 1C according to the fourth embodiment shown in FIG. 13 has an opening reduction portion (reflection prevention portion) in which the diameter dimension of the opening portion 12b of the toilet seat 12 (particularly the length dimension in the left-right direction X2) is reduced. However, the buttock M of the seated person is set so as not to fall below the back surface 12a of the toilet seat 12. The position of the image sensor 20 in this case is the same as that of the first embodiment described above, and is directly provided on the back surface 12a of the toilet seat 12.

In the fourth embodiment, since the opening 12b of the toilet seat 12 becomes smaller, the structure can physically prevent the buttocks M of the human body seated on the toilet seat 12 from being located below the back surface 12a of the toilet seat 12. .. In the fourth embodiment, it is possible to prevent the human body from being reflected in the image captured by the image sensor 20, and it is possible to use the target image with peace of mind by capturing the target image in consideration of the privacy of the user.

(Fifth Embodiment)
In the above-described embodiment, the tilt sensor 21 housed in the toilet seat 12 is adopted as the opening / closing acquisition unit for detecting the opening / closing of the toilet seat 12, and the opening / closing information is obtained by the tilt angle of the toilet seat 12, but this is not limited. Instead, the opening / closing acquisition unit is adopted in the fifth embodiment shown in FIG. In the fifth embodiment, as another opening / closing acquisition unit of the toilet seat 12, a seating sensor (not shown) that detects when the toilet seat 12 is seated is provided, and the internal space of the toilet bowl 11 is imaged only when the seating is detected. It may be controlled so that the image is taken by the sensor 20. As the seating sensor, a load sensor or the like can be adopted.

(Sixth Embodiment)
The toilet seat device 1D according to the sixth embodiment shown in FIG. 15 has a configuration in which an image sensor 20 is separately provided below the toilet seat 12. In the sixth embodiment, the region where the image sensor 20 is provided, that is, the region separate from the toilet seat 12 and below the toilet seat 12, is included in the back side of the toilet seat 12. That is, the back side of the toilet seat 12 is defined to include the lower region of the toilet seat 12. The toilet seat device 1D is provided with a connecting bar 3 formed of, for example, a metal member so as to bridge the upper surface of the toilet bowl 10 (upper surface 10a of the toilet bowl) between the inside of the toilet bowl and the outside of the toilet bowl. An image sensor 20 is attached to the lower surface 3c of the inner end 3a of the toilet bowl of the connecting bar 3 so that the internal space of the toilet bowl 10 can be imaged. The toilet bowl outer end portion 3b of the connecting bar 3 is attached to the outer peripheral surface of the toilet bowl 10 by sticking or suction. The image sensor 20 is located below the toilet seat 12 and on the side of the rim 10A of the toilet bowl 10. Specifically, the image sensor 20 is arranged on the side of the rim 10A from a position at the same height as the upper surface 10a of the toilet bowl to the side of the upper rim 10c and the standing surface 10d of the rim 10A. The image sensor 20 may be a sensor unit having the image sensor 20.

The connecting bar 3 has a band shape extending in one direction and is bent in an L shape from the upper surface 10a of the toilet bowl along the outer shape of the outer peripheral surface. The inner end portion 3a of the toilet bowl of the connecting bar 3 projects from the upper surface 10a of the toilet bowl toward the inside of the toilet bowl 10. The outer end portion 3b of the toilet bowl is fixed to the toilet bowl 10 with an adhesive. As a means for fixing the connecting bar 3 to the toilet bowl 10, a suction cup may be used instead of an adhesive. In the case of a suction cup, since it is easy to attach / detach to / from the toilet bowl 10, it has an effect of easy cleaning and maintenance, and further, the position of the image sensor 20 can be easily adjusted.

(First modification)
As shown in FIG. 16, in the first modification of the sixth embodiment described above, in order to make the outer end 3b of the toilet bowl of the connecting bar 3 have a load balance with the image sensor 20 provided at the inner end 3a of the other toilet bowl. Weight 31 is provided. The weight 31 is fixed to the surface of the outer end 3b of the toilet bowl facing outward, which is opposite to the toilet bowl 10 side, with, for example, an adhesive. The weight 31 may be, for example, a metal member, or may be, for example, a camera function unit that functions as an image processing unit or the like that processes data of the image sensor 20. In the first modification, the image sensor 20 is attached to the toilet bowl 10 in a state where the image sensor 20 is positioned in a well-balanced manner by the weight of the weight 31 by the connecting bar 3, and the image sensor 20 can be prevented from tilting or shifting.

(Second modification)
The connecting bar 3 according to the second modification shown in FIG. 17 is formed of a metal wire, sheet metal, or the like, and is bent into a substantially U shape. In the connecting bar 3, the central portion 3d in the length direction is placed on the upper surface 10a of the toilet bowl, and the inner end portion 3a of the toilet bowl and the outer end portion 3b of the toilet bowl facing each other are close to each other (arrows F1 and F2 in FIG. 17). It is in a state of being urged so that an elastic force is generated toward. An image sensor 20 is attached to the inner end 3a of the toilet bowl. The connecting bar 3 is attached by being fitted and sandwiched in the upper part of the toilet bowl 10 in a state where the inner end portion 3a of the toilet bowl and the outer end portion 3b of the toilet bowl are opened against the bias. In the first modification, the image sensor 20 is attached to the toilet bowl 10 in a state where the image sensor 20 is positioned in a well-balanced manner by the weight of the weight 31 by the connecting bar 3, and the image sensor 20 can be prevented from tilting or shifting. The image sensor 20 is arranged on the side of the rim 10A. Specifically, the image sensor 20 is arranged on the side of the rim 10A at a height lower than the rim upper portion 10c and on the side of the standing surface 10d of the rim 10A.

(7th Embodiment)
As shown in FIG. 18, the toilet seat device 1E according to the seventh embodiment has a configuration in which the image sensor 20 is directly fixed to the back surface 12a of the toilet seat 12 via a fixing portion 32 such as an adhesive. The mounting position of the image sensor 20 with respect to the toilet seat 12 is a position closer to the inner circumference of the toilet seat 12, and a position where the image sensor 20 mounted with the toilet seat 12 closed (the state of FIG. 18) does not interfere with the upper part of the toilet bowl 10. It is said that. In the seventh embodiment, since the structure is such that the image sensor 20 is simply fixed to the toilet seat 12, a separate member such as the connecting bar 3 (see FIG. 15) of the sixth embodiment described above is not required, and the attachment is possible. It is easy and has the advantage that the material cost can be reduced.

(8th Embodiment)
In the toilet seat device 1F according to the eighth embodiment shown in FIG. 19, the image sensor 20 is attached to the toilet seat 12 via the second connecting bar 3A. The second connecting bar 3A is formed of, for example, a metal wire or sheet metal, and extends between the back surface 12a of the toilet seat 12 and the outside of the toilet seat 12. An image sensor 20 is attached to the lower surface 3c of the inner end portion 3a of the toilet bowl of the second connecting bar 3A so that the internal space of the toilet bowl 10 can be imaged. The toilet bowl outer end 3b of the second connecting bar 3A projects outward from the toilet seat 12. The outer end portion 30b of the toilet bowl is provided with a camera function unit 26 that is electrically connected to the image sensor 20. The camera function unit 26 is arranged along the outer surface 12c of the toilet seat 12. The central portion 3d of the second connecting bar 3A is fixed to the back surface 12a of the toilet seat 12 by a fixing means such as an adhesive or a suction cup. The camera function unit 26 has a function such as an image processing unit that processes data of the image sensor 20.

In the eighth embodiment, since the image sensor 20 can be retrofitted to the toilet seat 12 side via the second connecting bar 3A, the structure can be simpler than that attached to the toilet bowl 10.

(9th Embodiment)
In the toilet seat device 1G according to the ninth embodiment shown in FIG. 20, the image sensor 20 is attached to the toilet seat 12 via the third connecting bar 3B. The third connecting bar 3B is formed of, for example, a metal wire or sheet metal, and is bent into a substantially U shape so as to span the upper part of the toilet seat 12. The connecting bar 3 has a central portion 3d in the length direction mounted on the toilet seat 12. An image sensor 20 is attached to the inner end 3a of the toilet bowl of the third connecting bar 3A so that the internal space of the toilet bowl 10 can be imaged. The image sensor 20 attached to the third connecting bar 3A is provided so as to be located on the back surface 12a of the toilet seat 12.

A camera function unit 26 electrically connected to the image sensor 20 is provided on the outer end portion 3b of the toilet bowl of the third connecting bar 3A in a state of being along the outer surface 12c of the toilet seat 12. The third connecting bar 3B is fixed by pressing the outer end portion 3b of the toilet bowl against the outer surface 12c of the toilet seat 12 by pressing the outer end portion 3b of the toilet bowl from the outside of the outer end portion 3b of the toilet bowl with a pressing member 33 such as a screw. The method of fixing the third connecting bar 3 to the toilet seat 12 is not limited to the above-mentioned pressing member 33, and other fixing methods may be used. For example, the central portion 3d of the third connecting bar 3B may be fixed to the upper surface 12d of the toilet seat 12 by a fixing means such as an adhesive or a suction cup. Alternatively, the toilet bowl inner end portion 3a and the toilet bowl outer end portion 3b facing each other may be urged so as to generate an elastic force in a direction close to each other and sandwiched from both sides of the toilet seat 12.

(10th Embodiment)
The toilet seat devices 1H and 1I according to the tenth embodiment shown in FIGS. 21 and 22 have a structure in which separate toilet seat units 4A and 4B are sandwiched between the toilet seat 12 and the upper surface 10a of the toilet bowl. In the first toilet seat unit 4A shown in FIG. 21, the image sensor 20 is fixed to the lower surface 41a of the toilet seat type insertion member 41. In the second toilet seat unit 4B shown in FIG. 22, the image sensor 20 is built in the toilet seat type insertion member 41. The toilet seat type insertion member 41 is formed to have substantially the same shape as the toilet seat 12 in a plan view, and is provided so as to open and close with respect to the upper surface 10a of the toilet bowl integrally or separately from the toilet seat 12. In the closed state of the toilet seat type insertion member 41, the lower surface 41a is placed on the upper surface 10a of the toilet bowl, and the upper surface 41b is in contact with the back surface 12a of the toilet seat 12. The image sensor 20 is attached so that the internal space of the toilet bowl 10 can be imaged.

Although the embodiment of the toilet seat device according to the present disclosure has been described above, the present disclosure is not limited to the above embodiment.

For example, in the above embodiment, the image determination device 2 may be provided with an image processing unit (not shown) that performs image processing on the target image acquired by the image sensor 20. In this case, the image processing unit can perform image processing for masking (hiding or erasing) the region of the target image in which the human body is reflected.

In the above embodiment, an example of the toilet seat device 1 in which the toilet bowl drainage channel 14 for draining water from the water collecting portion 11c of the toilet bowl 11 toward the rear of the toilet bowl 10 and the image sensor 20 is arranged in front of the toilet seat 12 is shown. However, the toilet seat device is not limited to such a toilet bowl structure, and may be a toilet seat device having another structure. For example, as in the toilet seat device 1D according to the fifth embodiment of FIG. 14, the toilet bowl drainage channel 14 for draining water from the water reservoir 11c toward the front of the toilet bowl 10 is provided, and the image sensor 20 is arranged behind the toilet bowl. It is also possible to do.

In the present embodiment, in order to protect the image sensor 20, the protective leg 5 is provided as a support portion that abuts on the upper surface 11b of the toilet bowl 11 with the toilet seat 12 closed on the back surface 12a of the toilet seat 12. The provision of such a protective leg 5 is not limited to the provision, and can be omitted. The support portion is not limited to the configuration such as the shape and quantity of the protective legs 5 of the above-described embodiment, and can be appropriately set.

In addition, it is possible to replace the components in the above-described embodiment with well-known components as appropriate without departing from the gist of the present disclosure.

1, 1A, 1B, 1C, 1D, 1E, 1F, 1G, 1H, 1I ... Toilet seat device, 2 ... Image judgment device, 5 ... Protective leg (support part), 10 ... Toilet bowl, 10A ... Rim, 11 ... Toilet bowl , 11d ... lower end surface of opening, 12 ... toilet seat, 12a ... back surface, 13 ... support member, 14 ... toilet drainage channel, 14a ... toilet drainage channel opening, 20 ... image sensor, 20A ... field of view, 20C ... center of view, 21 ... Tilt sensor, 22 ... Imaging control unit, 23 ... Lighting unit, 24 ... Camera cover, 24A ... Masking printing (shielding unit), G ... Toilet, X1 ... Front-back direction, X2 ... Left-right direction, X3 ... Up-down direction

Claims (12)

The toilet seat placed above the toilet bowl and
An image sensor provided on the back side of the toilet seat to capture the internal space of the toilet bowl during excretion,
An anti-reflection unit that prevents the reflection of the human body on the target image captured by the image sensor,
Toilet seat device equipped with. The reflection prevention unit is a shielding unit arranged between the image sensor and the toilet bowl within the angle of view of the image sensor.
The toilet seat device according to claim 1. The reflection prevention portion is a sensor fixing portion in which the image sensor is projected on the back surface of the toilet seat.
The toilet seat device according to claim 1 or 2. The reflection prevention portion is a portion where the thickness of the toilet seat is increased so that the buttocks and thighs of the person seated on the toilet seat do not fall below the back surface of the toilet seat.
The toilet seat device according to any one of claims 1 to 3. The reflection prevention portion is an opening reduction portion in which the opening of the toilet seat is reduced so that the buttocks and thighs of the seated person do not fall below the back surface of the toilet seat.
The toilet seat device according to any one of claims 1 to 4. The reflection prevention unit is an image processing unit that performs image processing on the target image acquired by the image sensor.
In the image processing unit, image processing is performed to mask the region of the target image in which the human body is reflected.
The toilet seat device according to any one of claims 1 to 5. The image sensor can image the internal direction of the drainage channel for discharging stool from the water reservoir of the toilet bowl, and is arranged in the direction facing the opening of the drainage channel.
The toilet seat device according to any one of claims 1 to 6. A lighting unit that irradiates the back side of the drainage channel from the bottom surface of the water reservoir of the toilet bowl is provided.
The toilet seat device according to claim 7. The image sensor can be adjusted to a brightness that matches the illuminance inside the toilet bowl.
The toilet seat device according to any one of claims 1 to 8. It has a function of detecting dirt on the camera lens of the image sensor from the image captured by the image sensor and outputting a signal requiring cleaning.
The toilet seat device according to any one of claims 1 to 9. With the toilet seat closed, a support portion is provided that protrudes from the back surface of the toilet seat and comes into contact with the upper surface of the toilet bowl.
The image sensor is provided so as not to come into contact with the upper surface of the toilet bowl.
The toilet seat device according to any one of claims 1 to 10. The image sensor is arranged so that the center of the visual field of the image sensor is directed to the side beyond half of the water reservoir surface in the toilet bowl in the direction viewed from the position of the image sensor.
The toilet seat device according to any one of claims 1 to 11.

Images