Bidet and bidet toilet apparatus

The bidet system addresses the issue of unsanitary manual seat and cover adjustments by using a human body detection unit and controller to automatically rotate the cover and seat based on user presence, ensuring hygienic operation and user convenience.

WO2025150826A1PCT designated stage expired Publication Date: 2025-07-17COWAY CO LTD
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Patent Information

Application Number
PCT/KR2025/000274
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-01-08
Filing Date
2025-01-07
Publication Date
2025-07-17

AI Technical Summary

Technical Problem

Existing bidet technologies do not effectively control the rotation of toilet seats and covers based on user presence detection, leading to unsanitary conditions, particularly for female users who may need to manually adjust the seat and cover positions, and lack clear methods for distinguishing user intentions through human body detection sensors.

Method used

A bidet system that includes a human body detection unit and a controller to rotate the cover and toilet seat based on the time of user presence detection, using a human body detection sensor and a sitting detection sensor to differentiate between various user actions and positions, ensuring hygienic operation without manual contact.

Benefits of technology

Enables automatic and hygienic control of seat and cover rotation based on user presence, allowing users to avoid direct contact and ensuring proper operation even when no user is detected, thereby enhancing user convenience and hygiene.

✦ Generated by Eureka AI based on patent content.

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Abstract

A bidet may be provided, the bidet comprising: a main body installed on a porcelain bowl of a toilet; a cover rotatably mounted on the main body; a toilet seat mounted to be rotatable with respect to the main body and configured to allow a user to be seated thereon; a nozzle provided in the main body to spray cleaning water to the user; an operation unit that receives an input of the spray pressure of the cleaning water sprayed from the nozzle; a light source unit that is arranged in the operation unit and irradiates light to form an irradiation area; a human body detection unit that detects a human body in a human body touch area arranged to at least partially overlap the irradiation area; and a controller that controls the rotation of the cover and the toilet seat, wherein the controller controls the rotation of the cover and the toilet seat on the basis of the time when the human body is detected in the human body touch area by means of the human body detection unit.
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Description

Bidet and bidet toilet device

[0001] The present invention relates to a bidet and a bidet toilet device.

[0002] A bidet is a device that automatically performs anal and vaginal cleansing by spraying cleansing water through a nozzle. Furthermore, after cleansing with cleansing water, the bidet can operate by blowing air from a drying device installed within the bidet to dry the area being cleansed.

[0003] Toilet seats and covers are primarily rotated by the user's hand. For example, women manually lower the seat to urinate, and men manually raise the seat to urinate. After using the toilet, the user lowers the cover and flushes. However, many users find it unsanitary to touch the seat and cover with their hands, so research is underway on bidets with seats and covers that rotate automatically.

[0004] In this regard, patent publication 2009-0114614 (patent document 1) of Samhong Tech Co., Ltd. discloses an opening / closing device that automatically opens and closes the cover and seat of a bidet. Specifically, patent document 1 discloses that the opening / closing device that automatically opens and closes the cover and seat of a bidet includes a cover opening / closing unit that rotates a cover rotation shaft with the power of a motor to open and close the cover, and a seat opening / closing unit that rotates a seat rotation shaft to open and close the seat.

[0005] However, the bidet of Patent Document 1 only discloses that the controller controls the rotation of the cover and seat, but does not disclose a specific control method. Specifically, Patent Document 1 does not distinguish between cases where the cover rotates, cases where the seat rotates, and cases where the cover and seat rotate together. For example, if only cases where the cover and seat rotate together are possible, a female user who wants to raise the cover and lower the seat would still have to touch the seat with her hand, which could be unsanitary.

[0006] In addition, Patent Publication No. 2010-0086855 (Patent Document 2) of Koller Novita Co., Ltd. discloses a bidet whose seat and cover automatically open and close using a human body detection sensor or remote control. The bidet of Patent Document 2 automatically compensates for errors resulting from changes in the opening and closing positions, including the positions when the bidet is opened and closed. The bidet of Patent Document 2 has the advantage of eliminating the hassle of manually adjusting the opening and closing positions by always maintaining a constant opening and closing position of the seat and cover.

[0007] However, Patent Document 2 has a problem in that it does not disclose the operating method of the human body detection sensor. Specifically, according to Patent Document 2, the information detected by the human body detection sensor should be different when only the cover is opened and when the seat and cover are opened together, but Patent Document 2 does not disclose how to distinguish the detected information. In other words, Patent Document 2 does not disclose the time for which the human body detection sensor detects the user's human body or the specific part of the user's body that is detected, so it is not recognized whether the seat and cover are selectively rotated depending on the type of signal received from the user.

[0008] (Patent Document 1) Korean Patent Publication No. 2009-0114614 (Published on November 4, 2009)

[0009] (Patent Document 2) Korean Patent Publication No. 2010-0086855 (Published on August 2, 2010)

[0010] One embodiment of the present invention was invented against the background described above, and aims to provide a bidet in which the rotation of a cover and a toilet seat can be controlled based on the time at which a human body is detected by a human body detection sensor.

[0011] According to one aspect of the present invention, a bidet comprises: a main body installed on a toilet bowl; a cover rotatably mounted on the main body; a toilet seat rotatably mounted with respect to the main body and configured so that a user can sit on it; a nozzle provided on the main body for spraying cleansing water to a user; an operating unit for receiving a spray pressure of the cleansing water sprayed from the nozzle; a light source disposed on the operating unit for forming an irradiation area by irradiating light; a human body detection unit for detecting a human body in a human body touch area disposed so as to overlap at least a portion of the irradiation area; and a controller for controlling the rotation of the cover and the toilet seat, wherein the controller controls the rotation of the cover and the toilet seat based on a time at which the human body is detected in the human body touch area through the human body detection unit.

[0012] In addition, the cover may be configured to be rotatable relative to the main body between a cover-closed position that closes the inside of the pottery to the outside and a cover-open position that opens the inside of the pottery to the outside, and the toilet seat may be configured to be rotatable relative to the main body between a toilet cover position that covers the pottery and a toilet exposed position that is erected relative to the pottery without covering the pottery.

[0013] In addition, the operating unit is arranged on the left or right side of the main body, and the investigation area guides the human body touch area and is arranged on the lower side of the operating unit, but may be arranged behind the front end of the cover when the cover is placed in the cover-closed position.

[0014] In addition, the human body verification unit may include a human body detection sensor that detects a human body in the human body touch area; and a seating detection sensor that is arranged in the seating unit and detects whether a user is sitting.

[0015] In addition, in the cover-closed position, the controller can rotate the toilet seat to the toilet-exposed position and the cover-open position if the time for which the human body is detected by the human body detection sensor is determined to be longer than a first judgment time that has been input in advance.

[0016] In addition, in the cover-closed position, the controller rotates the cover to the cover-open position when it is determined that the time at which the presence of the human body is detected by the human body detection sensor is greater than or equal to a pre-input second judgment time and less than the first judgment time, and the first judgment time may be longer than the second judgment time.

[0017] In addition, in the toilet seat exposure posture, the controller can rotate the toilet seat to a cover-closed posture and a seating posture when the time for which the presence of the human body is detected by the human body detection sensor is determined to be longer than a first judgment time that has been input in advance.

[0018] In addition, in the toilet seat exposure posture, if the controller determines that the time for which the presence of the human body is detected by the human body detection sensor is longer than the second judgment time that has been input in advance and shorter than the first judgment time, the toilet seat is rotated to a sitting posture, and the first judgment time may be longer than the second judgment time.

[0019] In addition, in the above seating position, if the controller determines that the time for which the presence of the human body is detected by the human body detection sensor is longer than the second judgment time that has been input in advance and shorter than the first judgment time, the toilet seat can be rotated to become the toilet exposure position.

[0020] In addition, if the controller determines that the user's sitting is not detected by the sitting detection sensor and that the time for which the user has not sat is longer than a third judgment time, the controller controls the cover and the toilet seat to rotate so that they are in the cover-closed position and the water flushing is operated, and the third judgment time may be longer than the first judgment time.

[0021] In addition, it includes a toilet for a user to use the toilet; and a bidet disposed on the toilet to selectively spray cleansing water toward the user, the bidet including: a main body installed on the toilet; a cover rotatably mounted on the main body; a toilet seat rotatably mounted with respect to the main body and configured so that a user can sit on it; a nozzle provided on the main body to spray cleansing water to the user; an operating unit that receives a spray pressure of the cleansing water sprayed from the nozzle; a light source disposed on the operating unit to form an irradiation area by irradiating light; a human body detection unit that detects a human body in a human body touch area disposed so as to overlap at least a portion of the irradiation area; and a controller that controls the rotation of the cover and the toilet seat, wherein the controller can control the rotation of the cover and the toilet seat based on a time at which the human body is detected in the human body touch area through the human body detection unit.

[0022] One embodiment of the present invention has a hygienic effect because it allows the user to control the rotation of the cover and the toilet seat without having to make contact with the human body.

[0023] In addition, one embodiment of the present invention has the effect that the human body can be detected even without the user touching the bidet, since the human body touch area where the user's human body is detected is located on the floor next to the toilet seat.

[0024] In addition, one embodiment of the present invention has the effect of being able to selectively rotate the cover and toilet seat according to the user's intention, since the time for detecting the user's human body is different when only the cover or toilet seat is rotated and when both the cover and toilet seat are rotated.

[0025] In addition, one embodiment of the present invention has the convenient effect of closing the cover and operating the water flush when no sitting is detected by the sitting detection sensor for a certain period of time, even without a separate operation by the user.

[0026] FIG. 1 is a perspective view of a bidet cover closed according to one embodiment of the present invention.

[0027] Figure 2 is a perspective view of a bidet cover open state according to one embodiment of the present invention.

[0028] Fig. 3 is a bottom view of the operating unit provided in the bidet illustrated in Fig. 1.

[0029] Figure 4 is a flowchart of cover and toilet seat control according to one embodiment of the present invention.

[0030] Hereinafter, specific embodiments for implementing the technical idea of ​​the present invention will be described in detail with reference to the drawings.

[0031] In addition, when explaining the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present invention, the detailed description is omitted.

[0032] Additionally, when it is said that a component is 'supported', 'supplied' or 'in contact with' another component, it should be understood that it may be directly supported, supplied or in contact with that other component, but there may also be other components present in between.

[0033] The terminology used herein is intended solely to describe specific embodiments and is not intended to limit the invention. Singular expressions include plural expressions unless the context clearly dictates otherwise.

[0034] Additionally, please note that the terms "upper side," "lower side," and "side" in this specification are based on the illustrations in the drawings and may be expressed differently if the orientation of the subject changes. For the same reason, some components in the attached drawings are exaggerated, omitted, or schematically depicted, and the sizes of each component do not fully reflect the actual size.

[0035] Additionally, terms that include ordinal numbers, such as "first," "second," etc., may be used to describe various components, but these components are not limited by such terms. These terms are used solely to distinguish one component from another.

[0036] The term "comprising" as used in the specification means specifying a particular characteristic, region, integer, step, operation, element and / or component, but does not exclude the presence or addition of other particular characteristics, regions, integers, steps, operations, elements, components and / or groups.

[0037] Hereinafter, a bidet toilet device (1) according to one embodiment of the present invention will be described with reference to FIGS. 1 to 3. The bidet toilet device (1) may be a toilet (10) having a bidet (20) installed. The bidet toilet device (1) may include a toilet (10) and a bidet (20).

[0038] A toilet (10) may be provided so that a user can sit on it to relieve himself. The toilet (10) may include a bowl (11) that provides a space for a user to sit on, and a water storage unit (12) that is positioned above the bowl (11) and stores water.

[0039] A bidet (20) is installed on a toilet bowl (11) of a toilet (10) and can perform anal cleansing and bidet cleansing by spraying cleansing water toward the user through a nozzle provided in the main body. The bidet (20) may include a main body (100), a toilet seat assembly (200), a nozzle (300), an operating unit (400), a light source (500), a human body detection unit (600), and a controller (700).

[0040] The main body (100) can accommodate a container (not shown) for containing a cleaning solution, liquid, etc., a nozzle (300) for spraying the cleaning solution, liquid, etc. toward the bowl (11) or the front where the user is located, a fan (not shown) for providing a drying function to the user, an electric circuit, etc. In addition, the main body (100) can support a cover assembly (not shown) so as to be detachable. The main body (100) can be installed on a toilet (10).

[0041] A seating surface for a user to sit on is formed in the toilet seat assembly (200), and the toilet seat assembly (200) can be rotated so that the seating surface faces upward when necessary. The toilet seat assembly (200) can include a cover (210) and a toilet seat (220).

[0042] The cover (210) can be rotatably mounted on the main body (100). The cover (210) can be configured to be rotatably positioned relative to the main body (100) between a cover-closed position that closes the interior of the pottery (11) to the outside and a cover-open position that opens the interior of the pottery (11) to the outside. The cover (210) may not expose the pottery (11) to the user in the cover-closed position.

[0043] A seating surface for a user to sit on is formed in the toilet seat (220), and the toilet seat (220) can be rotated so that the seating surface faces upward when necessary. It is rotatably mounted on the main body (100) and can be tilted up for urination, etc., and lowered for other purposes. The toilet seat (220) can be configured to be rotatable with respect to the main body (100) between a seating position in which the toilet bowl (11) is covered and a toilet exposed position in which the toilet bowl (11) is not covered and is erected with respect to the toilet bowl (11). The toilet exposed position may be a position in which the toilet seat (220) is rotated upward so that the toilet bowl (11) is exposed to the user. The seating position may be a position in which the toilet seat (220) is rotated downward. The cover closed position may be a state in which the cover (210) is rotated downward so as not to provide a seating surface to the user. The cover opening position may be a state in which the cover (210) is rotated upward.

[0044] The nozzle (300) can spray cleaning water to the user. The nozzle (300) can be provided on the main body (100). The nozzle (300) can include a spray hole through which water is sprayed to the user, and a cleaning water hole through which water is sprayed to the device (11). In addition, the nozzle (300) can be configured so that at least one of the water sprayed to the device (11) and the water drained is discharged through the spray hole.

[0045] Referring back to FIG. 3, the control unit (400) can receive input from the user about the spray pressure of the cleaning water sprayed from the nozzle (300). The control unit (400) can include a control panel having a plurality of buttons for operation and a housing in which a power supply unit is installed. The control unit (400) can be arranged on the left or right side of the main body (100), or on the left or right side of the upper part of the toilet (11). The control unit (400) can include a detachable component such as a remote control. For example, the control unit (400) can be provided with a remote control having an operation panel having a plurality of buttons for operating the nozzle (300) or controlling the temperature of the toilet seat (220). A light source (500) and a human body detection sensor (610) can be arranged in front of the control unit (400).

[0046] The light source (500) can form an irradiation area by irradiating light. The light source (500) can be placed below the operation unit (400). The light source (500) can be placed below the operation unit (400) and form an irradiation area on the floor by irradiating light. The irradiation area is placed below the operation unit (400) and can be placed behind the front end of the cover (210) when the cover (210) is in the cover-closed position. In addition, the light source (500) can form an irradiation area so that text such as COWAY appears on the floor. The irradiation area formed by the light source (500) can be an area that guides a human body touch area, which is an area where a human body detection sensor (610) detects a user's human body. The user can see the irradiation area formed below the light source (500) and recognize that it is an area where the human body is recognized by the human body detection sensor (610), and can bring the human body closer to detect the human body near the human body touch area.

[0047] The human body detection unit (600) can detect a human body within the human body touch area when the human body is located in the human body touch area. The human body detection unit (600) can detect a human body in the human body touch area to control the rotation of the toilet seat assembly (200) or detect the presence of a human body on the toilet seat (220) to control the rotation of the cover (210). The human body detection unit (600) can include a human body detection sensor (610) and a seating detection sensor (620).

[0048] A human body detection sensor (610) can detect a human body in a human body touch area. The user's human body detected by the human body detection sensor (610) may be the user's foot. In other words, the user can move his or her foot to be detected by the human body detection sensor (610). The human body detection sensor (610) may include a distance detection sensor and may detect a human body based on a measured distance value to the floor. If the difference between the distance value to an object measured by the distance detection sensor and the measured distance value to the floor is greater than or equal to a preset human body presence determination value, it may be recognized that a human body exists in the human body touch area. If the difference between the distance value to an object measured by the distance detection sensor and the measured distance value to the floor is less than the human body presence determination value, it may be recognized that a human body does not exist in the human body touch area. When the user's human body is not in the human body detection area, the distance detection sensor detects the distance to the floor, and when the user's human body enters the human body detection area, the distance detection sensor detects the distance to the user's human body, and a difference occurs in the distance value detected compared to when the user's human body is not in the human body detection area. When a difference occurs in the distance value detected by the distance detection sensor, the controller (700) can determine that the human body has entered the human body detection area. When the human body enters the human body detection area, the human body is positioned above the floor, so when the difference between the distance value to the object measured by the distance detection sensor and the measured distance value to the floor is greater than the human body presence judgment value, it is determined that the human body has entered the human body detection area.

[0049] A seating detection sensor (620) is placed on the toilet seat (220) to detect whether a user is sitting on the toilet seat. The seating detection sensor (620) may include a pressure sensor. The seating detection sensor (620) can recognize that a user is sitting on the toilet seat (220) when a pressure higher than a preset seating pressure value is measured.

[0050] Referring to FIG. 4, the controller (700) can control the rotation of the cover (210) and the toilet seat (220) based on the time at which a human body is detected in the human body touch area through the human body detection unit (600). The controller (700) can control the toilet seat assembly (200) to be placed in any one of the toilet exposure posture, the seating posture, the cover open posture, and the cover closed posture. The controller (700) can be implemented by a computing device including a microprocessor, and the implementation method thereof is obvious to those skilled in the art, so a further detailed description thereof is omitted.

[0051] When the toilet seat assembly (200) is in the cover-closed position, if the time for which a human body is detected by the human body detection sensor (610) is determined to be longer than a first judgment time that has been input in advance, the controller (700) can rotate the toilet seat assembly (200) to the toilet exposed position and the cover-open position. In other words, if the time for which a human body is detected by the human body detection sensor (610) is longer than the first judgment time, the cover (210) and the toilet seat (220) can be rotated upward in the cover-closed position. If the user's human body is detected for the first judgment time from the time when the user's human body is detected in the human body touch area, the cover (210) and the toilet seat (220) can be rotated upward in the cover-closed position. For example, the first judgment time can be set in a range of 0.5 seconds or more and 1.5 seconds or less. As a more detailed example, if the first judgment time is 1 second, the cover (210) and the toilet seat (220) can be rotated upward in the cover-closed position when the user's body is detected for 1 second from the time when the user's body is detected in the human body touch area.

[0052] The controller (700) may rotate the cover (210) to the cover-open position if the time at which the presence of a human body is detected by the human body detection sensor (610) in the cover-closed position is greater than or equal to the second judgment time that has been previously input and less than the first judgment time. In other words, if the time at which the presence of a human body is detected by the human body detection sensor (610) is greater than or equal to the second judgment time that has been previously input and less than the first judgment time, the closed cover (210) may be rotated upward. The first judgment time and the second judgment time may be the time elapsed with respect to the same reference point in time, and the first judgment time may be set to be longer than the second judgment time. For example, the first judgment time may be 1 second, the second judgment time may be 0.05 seconds or more and 0.15 seconds or less, and as a more detailed example, the second judgment time may be 0.1 second. From the time when the user's human body is detected in the human body touch area, if the user's human body is detected for more than 0.1 seconds and less than 1 second, the controller (700) can rotate the cover (210) from the cover-closed position to the cover-open position.

[0053] When the toilet seat assembly (200) is in the toilet-exposed position, if the time for which the presence of a human body is detected by the human body detection sensor (610) is determined to be longer than a first judgment time that has been input in advance, the controller (700) can rotate the cover (210) and the toilet seat (220) so that the cover (210) is placed in the cover-closed position and the toilet seat (220) is placed in the seating position. In other words, if the time for which the human body is detected by the human body detection sensor (610) is longer than the first judgment time, the cover (210) and the toilet seat (220) can be rotated downward in the toilet-exposed position. For example, the first judgment time can be 1 second, and if the user's human body is maintained as being detected for 1 second from the time when the user's human body is first detected in the human body touch area, the cover (210) and the toilet seat (220) can be rotated downward in the toilet-exposed position.

[0054] If the time at which the presence of a human body is detected by the human body detection sensor (610) in the toilet exposed posture is greater than or equal to the second judgment time that has been input in advance and less than the first judgment time, the controller (700) can rotate the toilet seat (220) to a seating-ready posture. In other words, if the time at which the presence of a human body is detected by the human body detection sensor (610) is greater than or equal to the second judgment time that has been input in advance and less than the first judgment time, the toilet seat (220) that was positioned above can be rotated downward. For example, when the first judgment time is set to 1 second and the second judgment time is set to 0.1 second, if the user's human body is detected for 0.1 second or more and less than 1 second from the time at which the user's human body is detected in the human body touch area, the controller (700) can rotate the toilet seat (220) to a seating-ready posture from the toilet exposed posture.

[0055] If the sitting detection sensor (620) does not detect the user's sitting and the time for which the user has not sat is determined to be longer than a third judgment time, the controller (700) can control the cover (210) and the toilet seat (220) to be rotated to the cover-closed position and the flushing to be operated. For example, the third judgment time can be 8 seconds or more and 12 seconds or less. As a more detailed example, the third judgment time can be 10 seconds, and if the user's sitting is not detected for 10 seconds from the time when the sitting detection sensor (620) does not detect the user's sitting, the controller (700) can control the cover (210) and the toilet seat (220) to be rotated to the cover-closed position and the flushing to be operated.

[0056] Below, the operation and effect of the bidet (20) having the configuration described above will be described.

[0057] By controlling the rotation of the toilet seat assembly (220) according to the time at which the user's human body is detected by the controller (700), the user can control the rotation of the toilet seat assembly (220) without having to bring any part of the human body into contact with the bidet (20) or the toilet bowl (11). In the past, when the toilet seat (220) was rotated upwards in the toilet exposure posture, the user often felt uncomfortable when trying to rotate the toilet seat (220) downwards. If the user's human body is detected in the human body touch area for a time longer than the second judgment time and shorter than the first judgment time, the toilet seat (220) can be rotated without using hands.

[0058] In addition, if no sitting is detected by the sitting detection sensor for more than the third judgment time, the cover (210) is closed and the water is drained, so that the state of not draining the water does not continue for more than the third judgment time, which has the effect of being hygienic.

[0059] Although specific embodiments of the present invention have been described above, these are merely examples, and the present invention is not limited thereto, but should be construed to have the broadest scope consistent with the technical concepts disclosed in this specification. Those skilled in the art may combine / substitute the disclosed embodiments to implement patterns of shapes not specified, but this also does not depart from the scope of the present invention. In addition, those skilled in the art may easily modify or alter the disclosed embodiments based on this specification, and it is clear that such modifications or alterations also fall within the scope of the present invention.

Claims

1. The main body installed on the toilet bowl; A cover rotatably mounted on the above main body; A toilet seat rotatably mounted on the above body and configured so that a user can sit on it; A nozzle provided in the above body to spray cleansing water to the user; An operating unit for receiving the spray pressure of the cleaning water sprayed from the nozzle; A light source arranged on the above operating unit to form an irradiation area by irradiating light; A human body detection unit that detects a human body in a human body touch area that is arranged to overlap at least a portion of the above-mentioned investigation area; and Including a controller that controls the rotation of the cover and the toilet seat, The above controller, Controlling the rotation of the cover and the toilet seat based on the time at which the human body is detected in the human body touch area through the human body detection unit. Bidet.

2. In paragraph 1, The above cover is configured to be rotatable relative to the main body between a cover-closed position that closes the interior of the pottery to the outside and a cover-opened position that opens the interior of the pottery to the outside. The above toilet seat is, It is configured to be rotatable relative to the main body between a toilet cover posture covering the above-mentioned pottery and a toilet exposure posture erected with respect to the above-mentioned pottery without covering the above-mentioned pottery. Bidet.

3. In paragraph 2, The above operating part is placed on the left or right side of the main body, The above-mentioned investigation area guides the above-mentioned human body touch area, is positioned below the above-mentioned operating unit, and is positioned behind the front end of the above-mentioned cover when the above-mentioned cover is placed in the above-mentioned cover-closed position. Bidet.

4. In paragraph 3, The above human identification part, A human body detection sensor that detects a human body in the above human body touch area; and Including a seating detection sensor that is placed on the above seating section and detects whether the user is sitting. Bidet.

5. In paragraph 4, In the above cover closed position, The controller rotates the toilet seat to the toilet exposure posture and the cover open posture when the time for which the human body is detected by the human body detection sensor is determined to be longer than the first judgment time that has been input in advance. Bidet.

6. In paragraph 5, In the above cover closed position, The controller rotates the cover so that it is in the cover-open position when the time for which the presence of the human body is detected by the human body detection sensor is determined to be greater than or equal to the second judgment time and less than the first judgment time, The above first judgment time is longer than the above second judgment time. Bidet.

7. In paragraph 5, In the above toilet exposure position, The above controller rotates the toilet seat so that it is in a cover-closed position and a seating position when the time for which the presence of the human body is detected by the human body detection sensor is determined to be longer than a first judgment time that has been input in advance. Bidet.

8. In paragraph 7, In the above toilet exposure position, If the controller determines that the time for which the presence of the human body is detected by the human body detection sensor is greater than or equal to the second judgment time and less than or equal to the first judgment time, the toilet seat is rotated to a seating position. The above first judgment time is longer than the above second judgment time. Bidet.

9. In paragraph 8, In the above seating position, If the time for which the presence of the human body is detected by the human body detection sensor by the controller is determined to be longer than the second judgment time that has been input in advance and shorter than the first judgment time, the toilet seat is rotated to the toilet exposure position. Bidet.

10. In paragraph 7, The above controller controls the cover and toilet seat to rotate to the cover-closed position and operate the flushing when the user's sitting is not detected by the sitting detection sensor and the time for which the user has not sat is determined to be longer than the third judgment time. The above third judgment time is longer than the above first judgment time. Bidet.

11. A toilet for the user to use; and Includes a bidet disposed on the above-mentioned device to selectively spray cleansing water toward the user, The above bidet, A main body installed in the above-mentioned pottery; A cover rotatably mounted on the above main body; A toilet seat rotatably mounted on the above body and configured so that a user can sit on it; A nozzle provided in the above body to spray cleansing water to the user; An operating unit for receiving the spray pressure of the cleaning water sprayed from the nozzle; a light source arranged on the operating unit for forming an irradiation area by irradiating light; A human body detection unit that detects a human body in a human body touch area that is arranged to overlap at least a portion of the above-mentioned investigation area; and Including a controller that controls the rotation of the cover and the toilet seat, The above controller, Controlling the rotation of the cover and the toilet seat based on the time at which the human body is detected in the human body touch area through the human body detection unit. Bidet toilet device.

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