JP6826304B2 - Sanitary cleaning equipment - Google Patents

Description

The present invention relates to a sanitary cleaning device, and more particularly to a sanitary cleaning device that cleans a local area by injecting cleaning water toward a local area of a human body seated on a toilet seat.

Japanese Patent Application Laid-Open No. 61-53929 (Patent Document 1) and Japanese Patent Application Laid-Open No. 2-197632 (Patent Document 2) describe a sanitary cleaning device. In these sanitary cleaning devices, the injection port of the nozzle that injects the cleaning water is in the front-rear direction (the direction connecting the back and front of the user sitting on the toilet seat) and in the left-right direction (left of the user sitting on the toilet seat). It is also movable in the direction connecting the leg and the right leg). As a result, the landing point of the sprayed washing water on the human body can be expanded in the front-rear direction and the left-right direction, and a wider range near the local part of the human body can be washed.

On the other hand, Japanese Patent No. 5196189 (Patent Document 3) describes a water discharge device. In this water discharge device, the discharged wash water is pulsated to form a water mass to expand the water discharge cross-sectional area, and the water mass is continuously applied to the object to be cleaned, so that it is strong with a small amount of wash water. We have succeeded in obtaining detergency.
In addition, in this specification, "water mass" simply means "a mass of water", and "water mass landing" means that the washing water jetted from a spout (injection port) is a "line". It does not mean a state in which the washing water hits continuously as a "shape", but a state in which the washing water becomes "water droplets" or "water particles" and hits intermittently.

JP-A-61-53929 Japanese Unexamined Patent Publication No. 2-197632 Japanese Patent No. 5196189

In recent years, there has been a strong demand for water saving in the washing water used in the toilet room, and not only the washing water used for cleaning the toilet bowl but also the washing water used in the sanitary washing equipment is strongly required. It has become like. In addition, due to the demand for power saving, the current sanitary cleaning equipment employs an instantaneous heat exchanger that injects tap water while heating it during operation, and this instantaneous heat exchanger adds sufficient heat per unit time. Due to the limitation of the amount of water that can be heated and the demand for further power saving, it is required to further suppress the flow rate of the washing water injected from the sanitary washing device.

On the other hand, the sanitary cleaning device is required to give the user who has performed the cleaning a sense of security, comfort, and the like, in addition to the function of cleaning the local area contaminated by defecation and the like. For example, if the amount of cleaning water sprayed from the sanitary cleaning device is small, the user is worried that the local area may not be clean even though the local area is actually sufficiently cleaned. May be given to. In particular, if the injected cleaning water is made into an ultra-fine linear shape in order to suppress the flow rate of the injected cleaning water, the stimulation given to the user's local area becomes stronger, but the feeling of volume is reduced, so that the user is sufficient. I feel anxious that the cleaning has not been done. In addition, if the cleaning water is made into an ultra-fine linear shape, the area where the cleaning water sprayed from the sanitary cleaning device will land will be narrowed, so even if all the dirt caused by defecation is actually removed, the local area can be visually confirmed. This may give the user anxiety that dirt may remain around the local area. On the contrary, it is also known that the landing point of the sprayed washing water is moved in the left-right direction within a wide area in order to wash a wide area, but simply moving it in the left-right direction causes the user to move it. The frequency with which the cleaning water hits the position of a local area or the like that strongly desires to be cleaned decreases, and the user may be frustrated that the part to be cleaned is not easily cleaned. In this way, the further pursuit of water saving required by the market is for sanitary cleaning equipment in which the user cannot directly visually confirm the condition of the part to be cleaned, and the cleaning feeling and cleaning that the user is satisfied with. Ingenuity was still needed to provide sex, and unique technical issues remained.

Therefore, an object of the present invention is to provide a sanitary cleaning device that can give a feeling of satisfaction to the user even when the flow rate of the cleaning water injected from the injection port is reduced.

In order to solve the above-mentioned problems, the present invention is a sanitary cleaning device that injects washing water toward a local part of a human body seated on a toilet seat to wash the local part, from the back side to the front side of the seated human body. A nozzle assembly provided with an injection port for injecting wash water diagonally upward toward the surface, and a landing point of the wash water injected from the injection port on the human body moves in at least two directions, a front-rear direction and a left-right direction. The cleaning water is formed so that the nozzle driving device for driving the nozzle assembly and the cleaning water injected from the injection port form a water mass, and the water mass continuously lands on the human body at predetermined time intervals. A water mass generator that injects water from the injection port, an operation device operated by the user so that the injection of the washing water from the injection port is started, and a predetermined operation of the human body based on the operation on the operation device. It has an injection control device that operates a nozzle driving device and a water mass generating device so that the washing water is injected toward the water landing point, and the injection control device lands on the human body at predetermined time intervals. A move cleaning mode is performed in which the nozzle drive is actuated to clean a predetermined cleaning area, including local areas of the human body, by moving the landing point of the water mass in at least two directions. Consisting of a central region extending in the anteroposterior direction of the human body and side regions on both sides thereof, the injection control device reciprocates the landing point in one of the side regions and lands in the central region. The nozzle drive was actuated to reciprocate the water point, and the injection controller further provided that the distance between the water mass landing points in the central region was greater than the distance between the water mass landing points in the lateral region. The nozzle driving device and / or the water mass generating device is operated so as to be dense, and the nozzle driving device is configured to move the landing point of the water mass in the approximately front-back direction and the approximately left-right direction of the human body. The injection control device operates the nozzle drive device so that the moving speed of the water mass landing point in the front-rear direction becomes almost constant, and the number of watering points in the central region is the same as the number of watering points in the side region. The water mass generator is operated so that the number is larger than the number, and the injection control device is a water mass generator so that the water mass landing on the central region is smaller than the water mass landing on the side region. is characterized in Rukoto actuate the.

If the cleaning water sprayed from the injection port is made into an ultra-fine linear shape in order to save water in the sanitary cleaning device, the water landing range in the cleaning area becomes extremely narrow, and dirt remains around the water landing range. It will give the user a feeling of anxiety. In order to eliminate this anxiety, the landing point of the washing water is moved in the front-rear direction and the left-right direction to widen the landing range, and the position in the washing area where the user particularly wants to wash is reached. As the frequency of water landing decreases, users become worried that the dirty parts may not have been sufficiently cleaned. In particular, if a continuous ultra-fine stream of water lands at a position desired for cleaning at a low frequency, the user becomes more and more anxious that the water has not been sufficiently cleaned. In addition, if the linearly sprayed washing water is continuously landed, the user becomes accustomed (acclimated) to the stimulation of the washing water and feels the stimulation of the ultrafine washing water more and more weakly. Therefore, there is a strong sense of anxiety that the cleaning may not be performed sufficiently.

According to the present invention configured as described above, the water mass generating device causes the washing water ejected from the injection port to become a water mass, and the water mass continuously lands on the human body at predetermined time intervals. Since the washing water is sprayed onto the water, it is difficult for the user to clearly perceive the area where the washing water is landing. Therefore, even if the cleaning area where the cleaning water is landed is set to be relatively narrow, the user does not feel anxious that dirt remains in the surrounding area. In addition, by setting the cleaning area narrow and moving the water landing point within this area, the cleaning water will frequently land at the position where the user wants to clean, and the user will be sufficiently cleaned. You can give a sense of security that you are. In addition, according to the present invention configured as described above, since the water mass lands on the human body at predetermined time intervals, acclimatization to the stimulus of water landing is unlikely to occur, and a small amount of washing water is sufficient. The stimulus can be continuously given to the user, and even a small amount of washing water can give the user a sense of security. Therefore, according to the sanitary cleaning apparatus of the present invention, the user can be satisfied even when the flow rate of the cleaning water injected from the injection port is reduced.

In general, the central part of the anus, where the user wants to be thoroughly washed, has thin skin and is very sensitive, so in the central part of the washing area, the intervals between the landing points of the washing water are coarse. Then, the user becomes anxious that there may be a part where dirt remains. On the other hand, since the region away from the center of the anus is less sensitive than the central region, the lateral region does not give a strong sense of anxiety even if the interval between the landing points of the washing water is roughened. On the contrary, if the distance between the water landing points in the side region is made closer than the distance between the water landing points in the central region, the central region to be cleaned is not easily cleaned, and only the parts that are not desired to be cleaned are washed. It may give the impression of being irritated and annoy the user. According to the present invention configured as described above, the distance between the water landing points of the water mass in the central region is made closer than the distance between the water landing points of the water mass in the side region. At the same time that everything is covered, it is possible to give the user the impression that the part to be cleaned most is surely cleaned, and it is possible to give the user a feeling of satisfaction.

When the landing position of the washing water sprayed from the injection port is moving, the user unknowingly performs the washing while anticipating the part to be washed next. For this reason, if the movement speed of the landing position is changed significantly in order to make the distance between the water mass landing points in the central region closer than the distance between the water mass landing points in the lateral region, it is used. A position different from the person's expectation may be washed, which may surprise or cause anxiety to the user. According to the present invention configured as described above, the moving speed of the water landing points in the anteroposterior direction is made substantially constant, while the number of water landing points in the central region is larger than the number of water landing points in the lateral region. Since the number is large, the amount of water landing can be made different without giving the user an unnecessary feeling of anxiety.
Further, the present inventor has found that when the anus is washed by landing a water mass, the small water mass has a stronger ability to scrape off dirt than the large water mass. According to the present invention configured as described above, since the water mass landing on the central region is reduced, the anus can be washed with a strong detergency. On the other hand, since the distance from the injection port to the landing point is long in the side region, the speed of the water mass that lands on the water decreases. Therefore, by enlarging the water mass that lands on the water, it is possible to give a sufficient stimulus to the user and give the user a sufficient feeling of cleaning even in the lateral region. Further, a large water mass is inferior in detergency to a small water mass, but when a large water mass lands on the water, the washing water spreads over a wide area, so that one water mass can wash away a wide range. Therefore, by cleaning the side region with less dirt with a large water mass, the dirt can be washed off in a short time with a small amount of water. As a result, the entire central region and the entire side region can be sufficiently washed with a small amount of washing water in a short time, and a sufficient washing feeling can be given to the user.

In the present invention, preferably, the water mass generating device is configured to generate a water mass by pulsating the flow velocity of the washing water injected from the injection port, and the injection control device is provided in the central region and the side region. Operate the water mass generator so that the size of the water mass is different.

When washing is performed by continuously landing a water mass, the stimulus given to the user is difficult to acclimatize, and a sufficient washing feeling can be given to the user with a small amount of washing water, which is preferable. However, when a small water mass is formed by intermittently spraying a small amount of washing water, the landing position tends to vary due to the influence of surface tension and the like. If there is a variation in the landing position, the washing water will be applied to the position that you do not want to wash and give the impression that it has become wet, which will cause discomfort to the user. According to the present invention configured as described above, since the water mass is generated by pulsating the flow velocity of the washing water injected from the injection port, the water landing position varies even when a small water mass is generated. Is unlikely to occur. That is, by pulsating the flow velocity of the jetted washing water, the washing water jetted at a low flow velocity is overtaken by the washing water jetted later at a high flow velocity to form a water mass, which lands on the user. .. In this way, by generating a water mass by the pulsation of the flow velocity, even if a small water mass is generated, the landing position is unlikely to vary, and the user is not uncomfortable. Further, by changing the size of the generated water mass by controlling the pulsation of the flow velocity, the size of the water mass can be easily made different between the central region and the lateral region.

In the present invention, preferably, the water mass generator is configured to pulsate the flow velocity of the washing water injected from the injection port by reciprocating the plunger of the built-in solenoid valve, and the injection control device is central. When the washing water is sprayed into the region, the water mass generator is operated so that the frequency of the reciprocating motion of the plunger is higher than that when the washing water is sprayed into the side region.

When the landing point becomes wide, it is inevitable that the time for washing the central area that the user wants to wash most is shortened. According to the present invention configured as described above, when the washing water is sprayed into the central region, it is operated so that the frequency of the reciprocating motion of the plunger is high, so that the solenoid valve operates when cleaning the central region. The sound becomes louder, and the user can realize that the part that he / she wants to clean well is sufficiently cleaned, and can give the user a feeling of satisfaction. As a result, it is possible to compensate for the relatively short cleaning time in the central region, and it is possible to give the user a sense of security.

In the present invention, preferably, the injection control device is further configured to be capable of executing a spot cleaning mode in which cleaning is performed with the injection port stationary, and the water mass generating device reciprocates the plunger of the built-in solenoid valve. It is configured to pulsate the flow velocity of the wash water ejected from the injection port by exercising, and the injection control device injects the wash water in the spot wash mode when injecting the wash water into the central region in the move wash mode. The water mass generator is operated so that the frequency of the reciprocating motion of the plunger is higher than that at the time of.

According to the present invention configured as described above, when cleaning the central region in the move cleaning, the frequency of the reciprocating motion of the plunger is higher than that in the spot cleaning, and the central region is cleaned by the move cleaning. Since the operating noise of the solenoid valve is increased, it is possible to compensate for the shortening of the cleaning time in the central region in the move cleaning, and it is possible to give the user a sufficient cleaning feeling for the central region.

In the present invention, preferably, when the injection control device injects the cleaning water into the side region in the move cleaning mode, the frequency of the reciprocating motion of the plunger is lower than when the cleaning water is injected in the spot cleaning mode. The water mass generator is operated as described above.

According to the present invention configured as described above, when cleaning the central region in the move cleaning, the frequency of the reciprocating motion of the plunger is higher than that in the spot cleaning, and when cleaning the side region in the move cleaning. Since the frequency of the reciprocating motion of the plunger is lower than that in the spot cleaning, it is more emphasized that the operating noise of the solenoid valve becomes louder when the central area is cleaned in the move cleaning, and the operating noise of the solenoid valve becomes louder. A sufficient cleaning feeling can be given to the user.

According to the sanitary cleaning device of the present invention, even when the flow rate of the cleaning water injected from the injection port is reduced, the user can be sufficiently satisfied with the local cleaning.

It is a perspective view which shows the whole flush toilet which installed the sanitary cleaning apparatus of embodiment of this invention. It is a block diagram which shows the whole structure of the sanitary cleaning apparatus of embodiment of this invention. It is a side sectional view of the nozzle drive device provided in the sanitary cleaning device of the embodiment of the present invention. It is a top view of the nozzle drive device which is shown by breaking a part. It is a bottom view of the nozzle drive device. FIG. 5 is an enlarged plan sectional view showing a tip portion of a nozzle assembly driven by a nozzle drive device. It is a side sectional view which showed the tip part of a nozzle assembly enlarged. It is sectional drawing which shows typically the solenoid valve built in the water mass generation apparatus provided in the sanitary cleaning apparatus of embodiment of this invention. It is a figure which shows typically the state of the washing water ejected from an injection port. It is a figure which shows an example of the screen displayed on the touch panel of the remote controller provided in the sanitary cleaning apparatus of the embodiment of this invention. It is a figure explaining the cleaning when the front and back buttons are operated. It is a figure explaining the cleaning when a swivel wide button is operated. It is a figure which represented typically the cleaning area of the human body which is cleaned by a sanitary cleaning apparatus. It is a time chart which shows the operation state of each device during cleaning. It is a figure which represented typically the cleaning area of the human body which is cleaned by a sanitary cleaning apparatus. It is a time chart which shows the operation state of each device during cleaning. It is a figure which represented typically the cleaning area of the human body which is cleaned by a sanitary cleaning apparatus. It is a figure which represented typically the cleaning area of the human body which is cleaned by a sanitary cleaning apparatus. It is a time chart which shows the operation state of each device during cleaning. It is a figure which represented typically the cleaning area of the human body which is cleaned by a sanitary cleaning apparatus. It is a figure explaining the principle that the sprayed washing water is made into a mist. It is a figure which represented typically the cleaning area of the human body which is cleaned by a sanitary cleaning apparatus. It is a time chart which shows the operation state of each device during cleaning. It is a figure explaining the cleaning when a spot button is operated. It is a figure explaining the cleaning when the refreshing spot button is operated. It is a figure which shows the water landing point at the time of transitioning from a fixed spot cleaning mode to a swirling wide cleaning mode. It is a time chart which shows the operation state of each device in a transition mode. It is a figure explaining the massage washing cycle performed by operating a massage button. It is a figure explaining the massage washing cycle performed by operating a massage button. It is a time chart which shows the operation state of each device in a massage washing cycle. It is a figure explaining the massage washing cycle performed by operating a massage button. It is a figure explaining the defecation promotion cycle executed by operating the defecation promotion spot button. It is a time chart which shows the operation state of each device in a defecation promotion cycle. It is a figure which shows the modification of the turning movement pattern in a defecation promotion cycle. It is a figure explaining an example of the stop sequence executed by operating a finishing stop button. It is a figure explaining another example of the stop sequence executed by operating a finishing stop button. It is a figure explaining an example of the stop sequence setting for automatic cleaning for the purpose of automatic cleaning.

Next, preferred embodiments of the present invention will be described with reference to the accompanying drawings.
FIG. 1 is a perspective view showing the entire flush toilet equipped with the sanitary cleaning device according to the embodiment of the present invention. FIG. 2 is a block diagram showing the overall configuration of the sanitary cleaning device.

As shown in FIG. 1, the sanitary cleaning device 1 of the embodiment of the present invention is built in the back side of the toilet seat 4 (the back side of the user seated on the toilet seat 4) arranged in the upper part of the flush toilet body 2. ing. A flush water tank 2b for storing flush water for cleaning the bowl portion 2a of the flush toilet body 2 is provided in the upper part on the back side of the flush toilet 2. In the present embodiment, the sanitary cleaning device 1 is installed in the tank type flush toilet main body 2 having the cleaning water tank 2b, but the sanitary cleaning device 1 is installed in the water supply direct pressure type flush toilet. You can also do it.

Further, the sanitary cleaning device 1 includes a nozzle assembly 6, and the nozzle assembly 6 can be advanced from the back side of the toilet seat 4 to the local lower part of the seated user. Local cleaning can be performed by injecting cleaning water from the injection port provided at the tip of the advanced nozzle assembly 6 toward the local part of the user. A functional unit 9 having a mechanism for driving the nozzle assembly 6 and a mechanism for supplying cleaning water for local cleaning to the nozzle assembly 6 is built in the back side of the toilet seat 4. Further, a remote controller 10 which is an operation device is installed on the wall surface W of the toilet room where the flush toilet body 2 is installed. When the user operates this remote controller, a control signal is transmitted to the functional unit 9, and the bowl unit 2a can be cleaned and local cleaning can be performed in various cleaning modes. In the present embodiment, various functions of the sanitary cleaning device 1 can be used by operating the touch panel 10a of the remote controller 10 attached to the wall surface W, but the operating device of the sanitary cleaning device 1 is It can also be provided on the side of the toilet seat 4.

Next, the configuration of the functional unit 9 provided in the sanitary cleaning device 1 will be described with reference to FIG.
As shown in FIG. 2, the functional unit 9 includes a nozzle driving device 12 for driving the nozzle assembly 6, a water mass generating device 14 for forming the washing water injected from the injection port into a water mass, and a local portion. A hot water heater 16 which is a heating device for heating the washing water for washing to a predetermined temperature, a water supply valve 18 for injecting and stopping the washing water, and an injection for operating these devices to perform various washings. A control unit 20 which is a control device is built in.
Further, a detection signal from the seating sensor 22 which is a seating state detection sensor built in the toilet seat 4 and a control signal transmitted from the remote controller 10 are also input to the control unit 20.

The nozzle drive device 12 is a drive device for advancing the nozzle assembly 6 below the local area of the user and retracting the nozzle assembly 6 after local cleaning based on the control signal from the control unit 20. When the washing water is sprayed from the injection port with the nozzle assembly 6 advanced, the washing water is sprayed diagonally upward from the back side to the front side of the human body seated on the toilet seat 4, and the local part is washed. Further, the nozzle drive device 12 includes a nozzle front-rear drive motor 12a and a nozzle left-right drive motor 12b, and by operating these based on a control signal from the control unit 20, the washing water injected from the injection port The water landing point on the human body can be moved in two directions (front-back direction and left-right direction). The specific configuration of the nozzle drive device 12 will be described later.

The water mass generating device 14 is configured to pulsate the flow velocity of the washing water ejected from the injection port so that the washing water is used as a water mass and the water mass is continuously landed on the human body at predetermined time intervals. Has been done. The water mass generator 14 has a built-in solenoid valve 14a, and by operating the solenoid valve 14a based on a control signal from the control unit 20, water masses of various sizes are formed at various time intervals. It is configured to be able to. The specific configuration of the water mass generating device 14 will be described later.

The hot water heater 16 is an electric heater that is heated by energization, and is an instantaneous heat exchanger that is energized based on a control signal from the control unit 20 when injecting wash water and injects the supplied tap water while heating it. The heating device used. A storage type hot water heater that stores heated wash water can also be adopted in the present invention.
The water supply valve 18 is a solenoid valve whose opening / closing and opening degree are changed based on a control signal from the control unit 20. The water supply valve 18 switches between injection and stop of cleaning water supplied from the water supply and is injected from an injection port. It is configured so that the water force (flow velocity) of the washing water can be changed.

The control unit 20 is configured to receive a control signal transmitted from the remote controller 10 and operate the nozzle driving device 12, the water mass generating device 14, the hot water heater 16, the water supply valve 18, and the like based on the control signal. That is, the control unit 20 operates the nozzle driving device 12 and the water mass generating device 14 so that the washing water is ejected toward a predetermined water landing point of the human body based on the operation on the remote controller 10. Specifically, the control unit 20 is composed of a microprocessor, a memory, an interface circuit, software for operating these, and the like (not shown above).
The seating sensor 22 is a load sensor arranged inside the toilet seat 4, and is configured to be able to detect whether or not the user is seated on the toilet seat 4. Further, in the present embodiment, by detecting the load acting on the toilet seat 4 by the seating sensor 22, it is possible to detect whether or not the user has corrected the seating position on the toilet seat 4.

Next, the configuration of the nozzle drive device 12 will be described with reference to FIGS. 3 to 6.
FIG. 3 is a side sectional view of the nozzle driving device 12, and FIG. 4 is a top view of the nozzle driving device 12 shown by breaking a part thereof. Further, FIG. 5 is a bottom view of the nozzle drive device 12, FIG. 6A is a plan sectional view showing an enlarged tip portion of the nozzle assembly 6, and FIG. 6B is a side sectional view showing an enlarged tip portion. Is.

As shown in FIG. 3, the nozzle driving device 12 includes a base member 24, a holding cylinder 26 attached to the base member 24, a nozzle assembly 6 slidably arranged in the holding cylinder 26, and a nozzle assembly. It has a nozzle front-rear drive motor 12a for moving the 6 back and forth, and a nozzle left-right drive motor 12b for moving the injection port in the left-right direction.

The base member 24 is a member rotatably attached to the toilet seat 4 about a rotation shaft 24a. A holding cylinder 26 is fixed to the base member 24 so as to be obliquely forward and downward. The holding cylinder 26 is a cylindrical member, and a nozzle assembly 6 is arranged inside the holding cylinder 26 so as to be able to advance and retreat.
Further, a nozzle front-rear drive motor 12a is attached to the rear end portion of the base member 24. A drive-side pulley 28a is attached to the output shaft of the nozzle front-rear drive motor 12a, while a driven-side pulley 28b is rotatably attached to the front end of the base member 24 (FIG. 4). A timing belt 28c extending along the holding cylinder 26 is wound in parallel with the holding cylinder 26 between the driving side pulley 28a and the driven side pulley 28b. As a result, when the nozzle front-rear drive motor 12a is operated, the drive-side pulley 28a is rotated and the timing belt 28c is fed.

The nozzle assembly 6 is a columnar assembly arranged in the holding cylinder 26, and a first injection port 6a and a second injection port 6b are provided on the upper surface of the tip portion thereof, and cleaning water is injected inside. A water supply channel is formed to lead to the mouth. Specifically, as shown in FIG. 4, in order to guide the first water supply flow path 7a and the second water supply flow path 7b for guiding the wash water to the first injection port 6a, and the wash water to the second injection port 6b. The third water supply flow path 7c and the fourth water supply flow path 7d are provided, respectively. The sanitary cleaning device 1 of the present embodiment is configured to be able to execute various cleaning modes by switching the water supply flow path for supplying cleaning water. Further, on the side surface of the base end portion of the nozzle assembly 6, the first connection portion 8a, the second connection portion 8b, and the second connection portion 8a for connecting the washing water supply pipes (not shown) to the first to fourth water supply flow paths, respectively. The 3 connection portion 8c and the 4th connection portion 8d are provided respectively. Here, since the washing water supply pipe (not shown) connected to the water mass generation device 14 is connected to the third connection portion 8c, the water flows from the third connection portion 8c into the third water supply flow path 7c. Pulsation is given to the wash water.

Further, as shown in FIG. 4, the side surface of the rear end portion of the nozzle assembly 6 is coupled to the timing belt 28c, and the nozzle assembly 6 can be moved forward and backward from the holding cylinder 26 by driving the nozzle front-rear drive motor 12a. it can.
When the nozzle assembly 6 slid in the holding cylinder 26 advances forward and downward, each injection port formed at the tip thereof is located below the local part of the user seated on the toilet seat 4. When the cleaning water is supplied to the advanced nozzle assembly 6, the cleaning water is sprayed diagonally upward from the injection port from the back side to the front side of the seated user to clean the local part of the user. By repeating the forward / reverse rotation of the nozzle front-rear drive motor 12a while injecting the washing water, the nozzle assembly 6 can be slid in the front-rear direction by a predetermined distance, and the injected washing water landing on the human body. The point can be reciprocated in the front-back direction.

Next, as shown in FIG. 3, the nozzle left / right drive motor 12b is attached to the main body side of the toilet seat 4, and the drive gear 30a is attached to the output shaft thereof. On the other hand, an arcuate gear 30b (FIG. 5) is provided at the rear end of the base member 24 so as to engage with the drive gear 30a. The arc-shaped gear 30b is formed in an arc shape centered on the rotating shaft 24a of the base member 24. Therefore, when the nozzle left / right drive motor 12b is operated, the arcuate gear 30b is sent by the drive gear 30a, and the base member 24 is rotated around the rotation shaft 24a. When the base member 24 is rotated with the nozzle assembly 6 advanced, the positions of the injection ports provided at the tip portions are also rotated about the rotation shaft 24a. Here, since each injection port is separated from the rotation shaft 24a and the angle at which the base member 24 rotates is extremely small, each injection port is generally left and right of the seated user due to the rotation of the base member 24. It can be said that it is moved in the direction. In the present specification, "moving in the left-right direction" means a movement including such a left-right component.

Next, the configuration of the injection port provided in the nozzle assembly 6 will be described with reference to FIGS. 6A and 6B.
As shown in FIG. 6A, the first water supply flow path 7a and the second water supply flow path 7b are connected to the first injection port 6a, respectively. Further, a swivel chamber 32 having an annular cross section is provided at the inflow portion into the first injection port 6a, and the washing water supplied from the first and second water supply flow paths is first via the swirl chamber 32, respectively. It is injected from the injection port 6a. As shown in FIG. 6B, a tapered flow path 32a is provided on the downstream side of the swirl chamber 32 having an annular cross section, and the tip of the tapered flow path 32a is a cylindrical first injection port 6a. It is connected. Further, a cylindrical throat flow path 36 is provided on the downstream side of the first injection port 6a.

As shown in FIG. 6A, since the second water supply flow path 7b is a flow path connected in the tangential direction of the circle forming the swirl chamber 32, the washing water supplied from the second water supply flow path 7b is the swirl chamber. It becomes a strong swirling flow in 32, rises in the tapered flow path 32a, and is injected as hollow conical water discharge from the first injection port 6a. The hollow conical water discharged from the first injection port 6a is made into a mist in the throat flow path 36 and injected. The mechanism by which the throat flow path 36 generates mist from the hollow conical water discharge will be described later. On the other hand, since the first water supply flow path 7a is a flow path connected in the radial direction of the circle forming the swirl chamber 32, the washing water supplied from the first water supply flow path 7a does not become a strong swirl flow. It rises in the tapered flow path 32a and is injected from the first injection port 6a. At this time, outside air is drawn in by the ejector effect from the air suction port 32b provided between the first injection port 6a and the throat flow path 36, and the cleaning water injected from the throat flow path 36 produces a large number of fine bubbles. It becomes a foamy water spout containing.

On the other hand, as shown in FIG. 6A, the third water supply flow path 7c and the fourth water supply flow path 7d are connected to the second injection port 6b, respectively. Further, a swivel chamber 34 having an annular cross section is provided at the inflow portion into the second injection port 6b, and the washing water supplied from the third and fourth water supply flow paths is passed through the swivel chamber 34, respectively. It is injected from the injection port 6b. As shown in FIG. 6B, a tapered flow path 34a is provided on the downstream side of the swirl chamber 34 having an annular cross section, and the tip of the tapered flow path 34a is connected to the second injection port 6b. There is. Further, a tapered conical throat flow path 38 is provided on the downstream side of the second injection port 6b.

As shown in FIG. 6A, since the fourth water supply flow path 7d is a flow path connected in the substantially tangential direction of the circle forming the swirl chamber 34, the washing water supplied from the fourth water supply flow path 7d swirls. It becomes a weak swirling flow in the chamber 34, rises in the tapered flow path 34a, and is injected from the second injection port 6b. At this time, the outside air is drawn in by the ejector effect from the air suction port (not shown) provided between the second injection port 6b and the throat flow path 38, and the washing water injected from the second injection port 6b is discharged. Foam spouting containing a large number of fine bubbles. On the other hand, since the third water supply flow path 7c is a flow path connected in the radial direction of the circle forming the swirl chamber 34, the washing water supplied from the third water supply flow path 7c does not form a swirl flow. It rises in the tapered flow path 34a and is injected from the second injection port 6b. Here, since the washing water supplied to the third water supply flow path 7c is given a pulsation in the flow velocity by the water mass generation device 14, the washing water injected from the second injection port 6b is a water mass. And land on the human body. The mechanism by which water mass is formed by pulsation will be described later.

Next, the configuration and operating principle of the water mass generating device 14 built in the functional unit 9 will be described with reference to FIGS. 7 and 8. FIG. 7 is a cross-sectional view schematically showing the solenoid valve 14a provided in the water mass generating device 14, and FIG. 8 is a diagram schematically showing the state of the washing water injected from the second injection port 6b. is there.
The water mass generating device 14 is provided on the upstream side of the nozzle assembly 6, and changes the flow velocity of the inflowing washing water supplied from the water supply at a predetermined cycle to the washing water jetted from the second injection port 6b. It is configured to give pulsation.

As shown in FIG. 7, the solenoid valve 14a provided in the water mass generating device 14 includes a cylinder 50, a plunger 52 slidably arranged in the cylinder 50, and a check valve attached to the plunger 52. It has a valve 54, a return spring 56 and a buffer spring 58 that apply a predetermined urging force to the plunger 52, and a pulsation generating coil 60 that applies an electromagnetic force to the plunger 52.

The cylinder 50 is a cylindrical member, and a plunger 52 is slidably arranged inside, so that the plunger 52 reciprocates in the cylinder 50. The wash water supplied from the water supply and passing through the water supply valve 18 (FIG. 2) and the like flows into the inflow port 50a provided at one end of the cylinder 50. The outlet 50b at the other end of the cylinder 50 is connected to the connection portion 6c (FIG. 4) of the nozzle assembly 6, and the pulsating wash water in the water mass generator 14 is supplied to the nozzle assembly 6. ing.

The plunger 52 is a cylindrical metal member, and when an exciting current flows through the pulsation generating coil 60, an electromagnetic force acts on the plunger 52 so that the plunger 52 is attracted to the downstream side (right side in FIG. 7) in the cylinder 50. A return spring 56 is arranged on the downstream side of the plunger 52, and a buffer spring 58 is arranged on the upstream side, respectively, to give a predetermined urging force to the plunger 52. As a result, when the exciting current flows through the pulsation generating coil 60, the plunger 52 moves to the downstream side against the urging force of the return spring 56, and when the exciting current is stopped, the urging force of the return spring 56 moves to the upstream side. Pushed back to. Further, the cushioning spring 58 buffers the plunger 52 from colliding with the end surface of the cylinder 50 when the plunger 52 is pushed back to the upstream side.

On the other hand, a duck building type check valve 54 is attached to the inner circumference of the plunger 52. The check valve 54 suppresses the backflow of the washing water from the downstream side to the upstream side of the plunger 52 in the cylinder 50.
The pulsation generating coil 60 is a solenoid coil arranged so as to surround the cylinder 50. When the pulsation generation coil 60 is energized, an electromagnetic force is applied to the plunger 52, and the plunger 52 is moved to the downstream side. In the present embodiment, a pulsed current having a predetermined frequency is passed through the pulsation generating coil 60, and the plunger 52 reciprocates in the cylinder 50 by the electromagnetic force generated by this current and the urging force of the return spring 56.

When the plunger 52 is moved toward the downstream side by this reciprocating motion, the backflow from the downstream side to the upstream side of the plunger 52 is suppressed by the check valve 54, so that the pressure on the downstream side of the cylinder 50 is reduced. , The pressure becomes higher than the supply pressure of the washing water on the upstream side of the cylinder 50, and the flow velocity of the washing water flowing out from the cylinder 50 becomes faster. On the contrary, when the plunger 52 is pushed back to the upstream side, the pressure on the downstream side of the cylinder 50 becomes lower than the supply pressure, and the flow velocity of the outflowing washing water becomes slower, but the washing water on the upstream side of the plunger 52 is Since it can flow to the downstream side through the check valve 54, the downstream side becomes a negative pressure and the washing water does not flow back. By reciprocating the check valve 54 with the plunger 52 in this way, the flow velocity of the washing water flowing out of the cylinder 50 becomes a pulsatile flow that fluctuates in a predetermined cycle.

Next, with reference to FIG. 8, the principle of forming a water mass by the washing water pulsated by the solenoid valve 14a will be described.
FIG. 8 is a diagram schematically showing the state of the washing water jetted from the second injection port 6b, and shows the state of the washing water at each moment of the pulsating flow in which the flow velocity changes periodically. The upper part of each figure shows the state immediately after the injection from the second injection port 6b, and the lower part shows the state immediately before the injected washing water reaches the local part of the human body.

The column (i) of FIG. 8 shows the state of the washing water injected from the second injection port 6b during the period when the flow velocity is decreasing (the period when the plunger 52 is pushed back to the upstream side). In this state, since the flow velocity tends to decrease, the cleaning water a injected earlier has an injection speed faster than the cleaning water b injected later, and is injected first before reaching the human body. The washed water a is separated from the washed water b that is sprayed later, and the continuously sprayed washing water reaches the human body in a divided state ((i) lower column).

On the other hand, the column (ii) of FIG. 8 shows the period during which the flow velocity is increasing (the period during which the plunger 52 is accelerating from the upstream end toward the downstream side). In this state, the flow velocity of the wash water a jetted at the beginning of this period is extremely slow, and the flow velocity of the wash water b jetted after that is gradually increased. Therefore, the wash water sprayed earlier before reaching the human body. The water a is overtaken by the washing water b jetted later and reaches the human body in a state of becoming a large water mass (a lump of water, a water droplet) (lower column of (ii) column). By giving pulsation to the flow velocity of the washing water injected from the second injection port 6b in this way, a catch-up phenomenon of the washing water occurs, and the washing water becomes a water mass and continuously at predetermined time intervals. Land on the human body.

The washing water, which has become a large water mass due to the catch-up phenomenon, does not land on the human body immediately after the water mass is formed, and if it flies as it is, it is decomposed into small droplets. In the present embodiment, a water mass is generated so that a large water mass is formed at a point about 6 cm away from the nozzle assembly 6 (injection port), which is assumed to be located locally on the human body during cleaning. The pulsation by the device 14 is set. In addition, the "water mass size" referred to in the present specification relates to the "water mass size" at a distance where a local part of the human body is assumed to be located at the time of washing, and this distance. Other than that, water masses are not always formed, or water masses of different sizes are formed.

Further, in the present embodiment, a pulsed voltage of 70 to 100 Hz is applied to the pulsation generating coil 60, and the plunger 52 reciprocates at this frequency. Therefore, in the present embodiment, the washing water jetted from the second injection port 6b continuously reaches the human body as 70 to 100 water masses per second. Here, since the washing water that has become a large water mass due to the catch-up phenomenon lands on the human body, it is more irritating to the human skin than when the same flow of washing water that is not made into a water lump is continuously landed. It is strong and you can feel a sufficient amount of washing water, so you can give the user a sufficient feeling of washing even with a small flow rate. In addition, since the water mass continuously lands on the human body at a frequency of about 70 to 100 per second, the user cannot clearly perceive the landing of each water mass and is generally continuous. I get the feeling that the washing water is hitting the water.

Further, the size of the water mass generated by the water mass generating device 14, the time interval of the generated water mass, and the speed (flow velocity) of the water mass landing on the human body are determined by the pulsation generation coil 60 of the solenoid valve 14a. It can be set by appropriately changing the frequency, amplitude, duty ratio, water supply pressure to the cylinder 50, and the like of the voltage pulse to be applied. Further, by periodically changing the pulse width of the voltage pulse applied to the pulsation generating coil 60, the size of the generated water mass can be changed periodically.

In the present embodiment, the solenoid valve is used to generate the pulsating flow, but other devices can also generate the pulsating flow. For example, pulsatile flow can be formed by periodically pressurizing the washing water with a piston pump or the like provided with one or more pistons and cylinders. Alternatively, a pulsating flow can be formed by a balloon jet type fluid element that pulsates the flow velocity by periodically generating bubbles in the water passage and periodically changing the water flow resistance by the bubbles.

Next, with reference to FIGS. 9 to 27, each cleaning mode executed by the sanitary cleaning apparatus 1 according to the embodiment of the present invention will be described.
FIG. 9 is a diagram showing an example of a screen displayed on the touch panel 10a of the remote controller 10.
In each cleaning mode described below, the control unit 20 built in the functional unit 9 supplies cleaning water to the nozzle driving device 12, the water mass generating device 14, and the nozzle assembly 6 based on the control signal from the remote controller 10. It is executed by operating the water supply valve 18 to be supplied.

As shown in FIG. 9, a large cleaning button 62a, a small cleaning button 62b, a drying button 62c, and a deodorizing button 62d are displayed on the touch panel 10a. The large washing button 62a and the small washing button 62b are buttons for flushing the bowl portion 2a of the flush toilet body 2 with washing water for washing the toilet bowl to clean the bowl portion 2a. The drying button 62c is a button for blowing warm air toward the local part of the user to dry the wet local part by local cleaning. The deodorizing button 62d is a button for operating a deodorizing device (not shown) built in the functional portion 9 to deodorize the inside of the bowl portion 2a and the like.

Further, the authentication button 64 is displayed on the touch panel 10a. The authentication button 64 identifies the user of the sanitary cleaning device 1 and calls various settings such as the temperature, water force, and landing position of the cleaning water of the sanitary cleaning device 1 set for the user. It's a button. Various settings called by the authentication button 64 are displayed on the display unit 76 below the authentication button 64. In addition to various set values, the display unit 76 displays an image of each executed cleaning mode as an icon so that the cleaning mode selected by the user can be recognized at a glance. Further, various settings for each user can be performed by operating the personal setting button 74d at the lower end of the touch panel 10a. As a result, it is possible to individually set each person of the sanitary cleaning device 1 installed in the house and used by a plurality of people.

Further, on the touch panel 10a, a spot button 66a, a refreshing spot button 66b, and a soft button 66c for performing spot cleaning are displayed. These spot cleaning modes are cleaning modes executed in a state where the first injection port 6a or the second injection port 6b for injecting cleaning water is stationary below a local part of the human body, and therefore, this cleaning mode. Then, the landing point of the washing water on the human body does not substantially move. The specific cleaning performed by operating each of the above buttons will be described later.

Further, on the touch panel 10a, a front / rear button 68a, a water film wide button 68b, a mist wide button 68c, and a swivel wide button 68d for performing move cleaning are displayed. These move cleaning modes are cleaning modes executed while the first injection port 6a or the second injection port 6b for injecting cleaning water is moved below the local part of the human body by the nozzle driving device 12. Therefore, in the move washing mode, the landing point of the washing water on the human body moves only in the front-rear direction of the seated human body, or in the front-rear direction and the left-right direction of the seated human body. Strictly speaking, the movement of the first injection port 6a and the second injection port 6b by the nozzle drive device 12 is in the radial direction and the circumferential direction of the circle centered on the rotation shaft 24a (FIG. 5). In the book, these are described as "front-back direction" and "left-right direction", respectively. The specific cleaning performed by operating each of the above buttons will be described later.

Further, on the touch panel 10a, a defecation promotion spot button 70a and a massage button 70b for promoting defecation are displayed. These defecation-promoting cleaning modes are cleaning modes that promote defecation by giving a predetermined stimulus to a local part of the human body. The specific cleaning performed by operating each of the above buttons will be described later.
When the user operates any of the "spot cleaning", "move cleaning", and "defecation promotion" buttons, the injection of the cleaning water from the injection port is started.

Further, on the touch panel 10a, a stop button 72a and a finishing stop button 72b for performing a stop operation are displayed. The stop button 72a is a button for stopping the drying, deodorizing, and various cleaning modes executed by the sanitary cleaning device 1. When the finishing stop button 72b is operated, the cleaning mode is automatically stopped after executing the cleaning mode of a predetermined stop sequence set in advance. Even if the finish stop button 72b is operated while the cleaning mode by the sanitary cleaning device 1 is not executed, a predetermined stop sequence is executed and the cleaning mode is automatically stopped.

Further, a set temperature button 74a, a water force button 74b, and a water landing position button 74c are displayed at the lower end of the touch panel 10a. The set temperature button 74a is a button for setting the temperature of the washing water injected from the first injection port 6a or the second injection port 6b, and the water force button 74b is from the first injection port 6a or the second injection port 6b. It is a button for setting the water force (flow velocity) of the sprayed washing water. Further, the water landing position button 74c is a button for moving the reference position for landing the washing water on the human body in the front-rear direction and the left-right direction.

Next, the move cleaning mode will be described with reference to FIGS. 10 to 16. The move cleaning mode is a cleaning mode executed when the front / rear button 68a, the water film wide button 68b, the mist wide button 68c, or the swivel wide button 68d is operated.

First, cleaning when the front / rear button 68a is operated will be described with reference to FIG. 10A. In FIG. 10A, the landing point of the washing water is indicated by a “●” mark. The points marked with "x" in FIG. 10A are the central positions of the human body local parts.
When the front / rear button 68a is operated, the control unit 20 operates the water mass generating device 14 and the nozzle driving device 12, and the supplied tap water passes through the water mass generating device 14 to the third connection portion 8c. The water channel is switched so that the washing water is injected from the second injection port 6b through the third water supply flow path 7c. As a result, the washing water jetted from the second injection port 6b becomes a water mass and continuously lands on the human body.

Further, as shown in FIG. 10A, when the front-rear button 68a is operated, the control unit 20 operates only the nozzle front-rear drive motor 12a of the nozzle drive device 12 to reciprocate the nozzle assembly 6 in the front-rear direction. .. As a result, the second injection port 6b is reciprocated in the front-rear direction around a predetermined local reference position, and the landing point of the washing water on the human body is also reciprocated in the front-rear direction around the local part of the human body. In the state where the injection port is located at the local reference position, the injected washing water is located at the point marked with “x” in FIG. 10A where it is assumed that the local part (anus) of the human body seated on the toilet seat 4 is located. It is turned and the local center is cleaned. When the water landing position is changed by the water landing position button 74c, the injection port is reciprocated around the changed local reference position.

Next, cleaning when the swivel wide button 68d is operated will be described with reference to FIG. 10B.
When the swivel wide button 68d is operated, the washing water is injected from the second injection port 6b through the water mass generation device 14, the third connection portion 8c, and the third water supply flow path 7c. Further, as shown in FIG. 10B, when the swivel wide button 68d is operated, the swivel wide cleaning mode is executed, and the control unit 20 draws a circular or elliptical trajectory of the second injection port 6b and is a local reference. The nozzle front-rear drive motor 12a and the nozzle left-right drive motor 12b of the nozzle drive device 12 are operated in synchronization so as to orbit around the position. As a result, the landing point of the washing water sprayed from the second injection port 6b is moved so as to orbit around the center of the local area indicated by the “x” in FIG. 10B.

Next, with reference to FIGS. 10C to 14, cleaning in the water film wide cleaning mode executed when the water film wide button 68b is operated will be described.
FIG. 10C schematically shows a cleaning area 80 of the human body to be cleaned by the sanitary cleaning device 1. FIG. 10D is a time chart showing the operating status of each device during cleaning.

In FIG. 10C, the landing point is indicated by a “●” mark, and the movement of the landing point is indicated by a broken line arrow. Further, the point marked with "x" in FIG. 10C is the central position of the human body local portion, and the washing water reaches the point marked with "x" in a state where the injection port is located at the local reference position. Further, in FIG. 10C, the upper part corresponds to the back side of the human body seated on the toilet seat 4, the lower part corresponds to the front side (abdominal side) of the human body, and the left foot is located in the lower right and the right foot is located in the lower left. Further, in the present specification, among the cleaning regions 80, a region including a local region extending in the front-rear direction of the human body is referred to as a central region 80a, and regions on both sides of the central region 80a are referred to as side regions 80b. The position, number, size, and movement path of the landing points in FIG. 10C are schematically shown for explanation.

When the water film wide button 68b is operated, the control unit 20 controls the nozzle driving device 12 to move the water landing point in the lateral direction of the human body, and the water landing point in the longitudinal direction of the human body. Is repeatedly reciprocated to scan the cleaning area. That is, in the present embodiment, as shown in FIG. 10C, the nozzle driving device 12 is provided so as to alternately repeat the movement of the human body in the substantially front-rear direction and the movement in the substantially left-right direction shorter than the movement distance in the front-rear direction. Activate. By operating the nozzle drive device 12 in this way, the landing point of the washing water moves in two directions, the front-rear direction and the left-right direction, and the movement pattern 82 as shown in FIG. 10C moves within the washing area 80. Scan. That is, as shown in FIG. 10C, the landing point moves slightly to the left after moving from the front to the rear at a constant moving speed, and further moves to the left from the rear to the front. Moving. By repeating such movement, one movement pattern 82 shown in FIG. 10C is formed, and this movement pattern 82 is repeated. In the movement pattern shown in FIG. 10C, the movement in the front-rear direction and the movement in the left-right direction are alternately repeated, but the movement in the front-back direction and the movement in the left-right direction are simultaneously performed, and the landing point moves in the diagonal direction. Movement patterns can also be used. By moving the landing point back and forth in the front-rear direction and gradually moving it in the left-right direction in this way, a zigzag movement pattern is formed.

Further, as shown in FIG. 10D, the control unit 20 operates the water mass generating device 14 in synchronization with the operation of the nozzle driving device 12. That is, the control unit 20 has a low drive frequency (frequency of reciprocating movement of the plunger 52) of the solenoid valve 14a of the water mass generator 14 during the period when the water landing point is in the side region 80b, and is in the central region 80a. Set the drive frequency high during the period. As a result, the time interval at which the water mass lands is different between the central region 80a and the side region 80b, and the water lump landing on the central region 80a in the cleaning region 80 lands on the side region 80b. It is smaller than the water mass. As a result, the amount of wash water landed per unit area in the central region 80a is larger than the amount of water landing in the side region 80b.

The drive frequency of the solenoid valve 14a shown by the broken line in FIG. 10D is the drive frequency during spot cleaning (executed by operating the spot button 66a) while the second injection port 6b is stationary. In the move cleaning mode, the drive frequency of the solenoid valve 14a during the period of cleaning the side region 80b is lower than the drive frequency of the spot cleaning, and the drive frequency during the period of cleaning the central region 80a is spot cleaning. It is set higher than the drive frequency in.

On the other hand, as shown in FIG. 10D, the moving speed of the second injection port 6b, the flow rate of the washing water injected from the second injection port 6b (water supply amount), the cleaning water temperature (water supply temperature), and the flow velocity of the washing water. (Water force) is always maintained constant. By keeping the moving speed of the second injection port 6b constant, the moving speed of the water landing point in the cleaning area 80 also becomes constant.
Further, as shown by the alternate long and short dash line in FIG. 10D, by changing the opening degree of the water supply valve 18 (FIG. 2), the amount of water supplied during the period during which the side region 80b is being cleaned is determined by cleaning the central region 80a. It can be set less than the amount of water supplied during the period. By reducing the amount of water supplied in the side region 80b, a water mass having substantially the same size as the central region 80a is formed also in the side region 80b in which the drive frequency of the solenoid valve 14a is reduced.

In this way, by making the distance between the water landing points of the water mass in the central region 80a closer than the distance between the water landing points of the water mass in the side region 80b, the number of water landing points in the central region 80a can be increased. It is greater than the number of landing points in the side region 80b. As a result, the amount of washing water landed per unit area in the central region 80a is larger than that in the side region 80b, and all the parts to be washed are covered, and at the same time, the part to be washed most is surely washed. Impressions can be given to the user, and the user can be satisfied. In addition, since the moving speed of the water landing point is made almost constant, the position different from the user's expectation is washed, and the user does not feel unnecessary anxiety. Further, since the water mass that lands on the central region 80a is made small, the anus can be washed with a strong detergency. On the other hand, since the side region 80b has a long distance to the landing point, the speed of the water mass that lands on the water decreases, but by enlarging the water mass that lands, the user is given sufficient stimulation and a sense of volume. A sufficient cleaning feeling can be given to the user even for the side region 80b.

Next, another cleaning pattern when the water film wide button 68b is operated will be described with reference to FIGS. 11A and 11B. FIG. 11A schematically shows a cleaning area 80 of the human body to be cleaned by the sanitary cleaning device 1. FIG. 11B is a time chart showing the operating status of each device during cleaning. In the sanitary cleaning device 1 of the present embodiment, a detailed setting screen (not shown) is displayed by operating the personal setting button 74d (FIG. 9) on the touch panel 10a, and various cleaning patterns are displayed on this screen. Can be selected as "water film wide cleaning".

In the example shown in FIG. 11, the movement speed of the second injection port 6b in the left-right direction is slow during the period when the water landing point is in the central region 80a (the portion where the movement speed is reduced in FIG. 11B). Is set. By moving the second injection port 6b in this movement pattern 84, as shown in FIG. 11A, the front-back movement of the water landing point in the central region 80a is denser than that in the side region 80b (the number of reciprocations is large). Since this is done, the distance between the water mass landing points in the central region 80a is closer than the distance between the water mass landing points in the side region 80b. As a result, the density of the landing points of the washing water in the central region 80a becomes higher than the density of the landing points in the side region 80b, and the cleaning power of the central region 80a including the local part of the human body becomes stronger. Alternatively, when a movement pattern in which the landing point is moved diagonally by moving the water landing point in the front-rear direction and at the same time moving the water landing point in the left-right direction is adopted, in the central region 80a. Decrease the movement speed in the left-right direction. As a result, the number of round trips of the water landing point in the central region 80a is increased, and the cleaning power in the central region 80a can be increased.

Further, in the example shown in FIG. 11A, the drive frequency of the solenoid valve 14a in the central region 80a is set higher than the drive frequency in the side region 80b, but as a modification, the drive frequency of the solenoid valve 14a is made constant. It can also be maintained and the size of the water mass can be made substantially constant in the central region 80a and the lateral region 80b. Even when the solenoid valve 14a is operated in this way, the density of the landing points of the washing water in the central region 80a is reduced by shortening the movement distance of the second injection port 6b in the central region 80a once in the left-right direction. However, it becomes higher than the density of the landing points in the side region 80b, and as a result, the landing amount of the washing water per unit area in the central region 80a can be larger than the water landing amount in the side region 80b.

Next, with reference to FIG. 12, another cleaning pattern when the water film wide button 68b is operated will be described. FIG. 12 schematically shows a cleaning area 80 of the human body to be cleaned by the sanitary cleaning device 1.
In the example shown in FIG. 12, the control unit 20 operates the nozzle driving device 12 so that the landing range in the central region 80a is longer in the front-rear direction than the water landing range in the side region 80b. That is, as shown in FIG. 12, the landing point alternates between the movement of the landing point in the approximately front-back direction of the human body and the movement of the landing point in the substantially left-right direction of the human body, which is shorter than the movement distance in the front-rear direction. The nozzle driving device 12 is operated so that the moving distance in the front-rear direction in the central region 80a is longer than the moving distance in the front-rear direction in the side region 80b.

Further, although the water landing range in the side region 80b is set to be shorter in the front-rear direction than the water landing range in the central region 80a, it is assumed that the anus of the human body is located at the time of designing the sanitary cleaning device 1. It extends forward from the central position of the human body (the position marked with "x" in FIG. 12). That is, the water landing range in the side region 80b extends to the front side of the straight line in the left-right direction (one-dot chain line in FIG. 12) passing through the local position.

In the front part of the side area 80b (for example, the part shown by an ellipse in FIG. 12), when the washing water lands on this area, depending on the user, the washing water is applied to a position unrelated to the local washing and the legs are affected. You may feel that you have got wet. Therefore, it may be preferred by the user to exclude the front portion of the side region 80b from the water landing range. However, if the water landing range in the side region 80b does not extend to the front side of the straight line in the left-right direction passing through the local position, there is anxiety that the portion to be cleaned may not be sufficiently cleaned. Give it to someone. Therefore, even in the lateral region 80b, it is preferable that the water landing range extends to the anterior side of the anal position.

Further, in FIG. 12, the moving distance of the landing point in the left-right direction at the rear end of the landing range is substantially the same in the central region 80a and the side region 80b, but in the left-right direction in the central region 80a. The movement pattern can also be set so that the movement distance of the landing point is shorter than the movement distance in the left-right direction in the side region 80b. As a result, the number of round trips of the water landing point in the central region 80a in the front-rear direction increases, and the density of the water landing point of the washing water in the central region 80a can be made higher than the density of the water landing point in the side region 80b. it can. As a result, the user is given a sense of security that the central region 80a including the local part of the human body is sufficiently cleaned.

Further, by moving the water landing point in the front-rear direction and at the same time in the left-right direction, as shown in FIG. 12, the movement pattern is such that the movement in the front-rear direction becomes diagonally forward or diagonally backward. It is also possible to form an inverted triangular shape (a triangle with a sharp front side of the human body). By scanning the inside of the cleaning area with the inverted triangular movement pattern in this way, it is possible to scan the cleaning area with a small number of reciprocations, and the frequency of cleaning with respect to the central area can be increased. A sufficient cleaning feeling can be given. In FIG. 12, there is only one inverted triangular movement pattern in the central region 80a, but the movement pattern is set so that a plurality of inverted triangular movement patterns are formed in the central region 80a. You can also. Alternatively, the movement pattern can be set so that one or a plurality of inverted trapezoidal movement patterns (trapezoidal shape in which the front side of the human body is narrowed) are formed in the central region 80a.

Further, in FIG. 12, the “●” mark indicating the water landing point is omitted, but also in the movement pattern shown in FIG. 12, the washing water injected from the second injection port becomes a water mass and is predetermined. It is preferable to operate the water mass generating device 14 so as to continuously land on the human body at time intervals. Further, the size of the water mass, the time interval, and / or the water landing density may be set so that the amount of water landing per unit area in the central region 80a is larger than that in the side region 80b. desirable.

Next, another cleaning pattern when the water film wide button 68b is operated will be described with reference to FIGS. 13A and 13B. FIG. 13A schematically shows a cleaning area 80 of the human body to be cleaned by the sanitary cleaning device 1, and FIG. 13B is a time chart showing an operating state of each device during cleaning.
In the example shown in FIG. 13A, in the cleaning region 80, the amount of water landing per unit area in the rear region (region behind the local position) of the cleaning region 80 is the region on the front side (compared to the local position). The nozzle drive device 12 is operated so as to be larger than the amount of water landed per unit area in the front region).

That is, in the example shown in FIG. 13A, the nozzle driving device 12 alternately repeats the movement of the human body in the substantially front-rear direction and the movement of the human body in the substantially left-right direction, which is shorter than the movement distance in the front-rear direction. The landing point is moved by the movement pattern 88 that scans the inside of 80. Further, as shown in FIG. 13B, the injection control device 12 reduces the moving speed in the left-right direction at the rear end 88a of the cleaning region 80 (in FIG. 13B, the portion where the moving speed of the injection port is reduced). As a result, the amount of cleaning water sprayed during the period in which the landing point is moved in the left-right direction at the rear end 88a of the cleaning area 80 is the water landing point in the left-right direction at the front end 88b of the cleaning area 80. Is greater than the amount of wash water sprayed during the period of movement.

Alternatively, as shown by the broken line in FIG. 13B, the water supply valve 18 (FIG. 2) is controlled so that the flow rate of the cleaning water injected in the region on the rear side of the cleaning region 80 is increased, and the unit in the region on the rear side is controlled. The amount of water landing per area can be made larger than the amount of water landing per unit area in the front area. Further, by making the movement distance in the left-right direction of the rear end portion 88a of the movement pattern 88 longer than that of the front end portion 88b and reducing the movement speed in the left-right direction of the rear end portion 88a, the cleaning region 80 The amount of wash water sprayed into the rear region can also be greater than the amount of wash water sprayed into the front region. Alternatively, by making the moving speed of the water landing point in the front-rear direction substantially constant and making the moving speed in the left-right direction at the rear end portion 88a of the cleaning area 80 slower than the moving speed in the front-back direction, the rear side of the cleaning area 80 The amount of wash water sprayed into the region can be greater than the amount of wash water sprayed into the front region.

Here, the washing water jetted diagonally upward from the back side to the front side of the seated human body and landed on the area on the rear side of the washing area 80 then flows forward through the washing area 80 and is near the local area. A water film 88c is formed on the surface. As a result, the washing water that has become the water film 88c dissolves the filth adhering to the local part of the human body and makes it easy to flow down from the local part. On the other hand, the washing water that has landed on the front side area of the washing area 80 flows down without forming a water film in the vicinity of the local area. Therefore, the cleaning water landing on the rear side region of the cleaning region 80 exhibits a higher cleaning effect than the cleaning water landing on the front side region. In the movement pattern shown in FIG. 13A, the amount of cleaning water sprayed into the region on the rear side of the cleaning region 80 is larger than the amount of cleaning water sprayed on the region on the front side, so that even a small amount of water is high. It can exert a cleaning effect.

Next, with reference to FIG. 14, another cleaning pattern when the water film wide button 68b is operated will be described. FIG. 14 schematically shows a cleaning area 80 of the human body to be cleaned by the sanitary cleaning device 1.
Also in the example shown in FIG. 14, the control unit 20 has a cleaning area 80 in which the amount of water landed per unit area in the rear area (region behind the local position) is the front area (from the local position). The nozzle drive device 12 is operated so as to be larger than the amount of water landed per unit area in the front region).

In the example shown in FIG. 14, the nozzle driving device 12 alternately repeats the movement of the human body in the substantially front-rear direction and the movement of the human body in the substantially left-right direction, which is shorter than the movement distance in the front-rear direction. The landing point is moved by the movement pattern 90 that scans the inside. Here, in the example shown in FIG. 14, the moving distance in the left-right direction in the central region 80a is longer than the moving distance in the left-right direction in the side region 80b. That is, the washing water landing on the rear side end 90a of the central region 80a forms a water film 90c near the local part of the human body, but the water from the washing water landing on the rear side end 90b of the side region 80b. The film 90c flows down without passing near the local part of the human body. Therefore, in the example shown in FIG. 14, the washing water can form a water film in the vicinity of a local part of the human body by increasing the moving distance of the water landing point in the left-right direction at the rear end 90b of the central region 80a. The ratio is increasing. On the other hand, in the side region 80b, the moving distance of the landing point in the rear side end 90b and the front end 90d in the left-right direction is shortened, and the water landing point is moved in the left-right direction at the same time as the movement in the front-back direction. It forms a triangular or elongated trapezoidal movement pattern. As a result, a water film 90c can be efficiently formed in the vicinity of a local part of the human body with a small amount of washing water, and effective washing can be performed.
Further, in FIG. 14, the left-right movement distance of the water landing point at the rear side end portion and the front side end portion is almost the same, but the left-right movement distance at the rear side end portion is at the front side end portion. The movement pattern can also be formed so as to be longer than the movement distance in the left-right direction.

Next, a cleaning pattern when the mist wide button 68c is operated will be described with reference to FIGS. 15 and 16. FIG. 15 is a diagram for explaining the principle that the jetted washing water is turned into mist. FIG. 16A schematically shows a cleaning area 80 of the human body to be cleaned by the sanitary cleaning device 1. FIG. 16B is a time chart showing the operating status of each device during cleaning.

When the mist wide button 68c is operated, the control unit 20 operates the nozzle driving device 12, and the supplied tap water bypasses the water mass generating device 14 from the second connection portion 8b to the nozzle assembly 6. The water channel is switched so that the water flows in and the washing water is injected from the first injection port 6a via the second water supply flow path 7b. As a result, the washing water jetted from the first injection port 6a is made into a mist by the throat flow path 36 and lands on the human body. Since the washing water is supplied by bypassing the water mass generation device 14, it is supplied to the second water supply flow path 7b without being given pulsation.

The washing water supplied to the second water supply flow path 7b flows into the swirling chamber 32 shown in FIG. 15, where it becomes a strong swirling flow and is injected from the first injection port 6a. Since the washing water injected from the first injection port 6a is a swirling flow, it has a hollow conical shape as a liquid film having a hollow portion in the center. The hollow conical washing water flows into the throat flow path 36, flows along the inner wall surface of the throat flow path 36 while maintaining the swirling force, and heads toward the outlet of the throat flow path 36. That is, the washing water passing through the throat flow path 36 flows so as to adhere to the inner wall surface thereof and receives resistance due to the frictional force from the inner wall surface, and the flow velocity of the washing water becomes slower toward the outlet of the throat flow path 36. .. Therefore, as shown in FIG. 15, the thickness of the liquid film adhering to the inner wall surface of the throat flow path 36 becomes thicker toward the outlet.

On the other hand, the flow velocity of the washing water flowing in the throat flow path 36 is faster in the central portion than in the vicinity of the inner wall surface serving as the boundary layer. Therefore, inside the liquid film, a vortex in the direction crossing the liquid film shown by the arrow A1 in FIG. 15 is generated. Further, at the outlet end of the throat flow path 36, a tapered portion 36a is formed in which the flow path expands toward the downstream side, and the washing water flows along the tapered portion 36a to enter the inside of the liquid film. Is more likely to generate eddy currents. The washing water jetted from the outlet of the throat flow path 36 with a vortex in this way has a hollow conical shape immediately after exiting the throat flow path 36, but is a granulated water flow at a position separated by a predetermined distance. Transition to 92.

Specifically, since a vortex is generated inside the hollow conical washing water jetted from the outlet of the throat flow path 36 in the direction across the liquid film, it is adjacent at a position some distance from the outlet. A crack is generated between the vortices. Due to this crack, the hollow conical washing water is crushed into mist-shaped washing water particles (holocone crushing), and transitions to the granulated water flow 92. As described above, the swirl chamber 32 and the throat flow path 36 provided in the nozzle assembly 6 function as a holocorn crushing type mist generator that granulates (mist-like) the cleaning water injected from the first injection port 6a. .. Further, the hollow portion of the hollow conical washing water is lower than the outside pressure, which suppresses the expansion of the diameter of the hollow conical washing water coming out of the throat flow path 36, and the sprayed washing water. Lands on the human body in the form of granules that spread over the entire circular landing range of a predetermined diameter. Further, when the hollow conical washing water transitions to the granulated water flow 92, the washing water is distributed almost uniformly over the entire circular range, and the mist of the washing water landing on the human body becomes a solid circular shape. To be distributed.

Next, the mist cleaning mode executed when the mist wide button 68c (FIG. 9) is operated will be described with reference to FIGS. 16A and 16B.
As shown in FIG. 16A, in the mist cleaning mode, the mist-shaped cleaning water injected from the first injection port 6a is a predetermined width wider than the spot cleaning mode executed by operating the spot button 66a. The water lands in the almost circular landing range 93. Further, in the mist cleaning mode, the control unit 20 keeps the flow rate of the cleaning water injected from the first injection port 6a and the water landing range 93 substantially constant, and the center point O of the water landing range 93 is the human body local part. The nozzle driving device 12 is operated so as to move around the center position (point marked with “x” in FIG. 16A) by drawing an arc-shaped locus shown by a broken line in FIG. 16A. That is, the control unit 20 operates the nozzle front-rear drive motor 12a and the nozzle left-right drive motor 12b of the nozzle drive device 12 in synchronization with each other so that the first injection port 6a of the nozzle assembly 6 moves in an arcuate trajectory. In addition, the first injection port 6a is moved in two directions, a front-rear direction and a left-right direction. At this time, the nozzle driving device 12 drives the nozzle assembly 6 so that the water landing range 93 that moves in an arcuate locus always includes a predetermined fixed point. The present invention can also be configured so that the center point of the water landing range 93 moves in an elliptical arc-shaped locus.

Due to the design of the sanitary cleaning device 1, the predetermined fixed point is that the center of the local part of the human body seated on the toilet seat 4 (the point marked with “x” in FIG. 16A) is assumed to be located. In this way, since the moving water landing range 93 always includes the local position of the human body, the mist-like washing water always lands on the local part of the user who is performing the mist washing during the washing. This gives the user a sense of security that the local area to be cleaned has been cleaned. On the contrary, when the local part deviates from the water landing range 93, the user feels anxiety that the part to be washed has not landed on the water, and corrects the seating position so as to land on the local part. If the water landing range 93 moves out of the local area even after this correction, the user feels the need to further correct the seating position, and gives the user an irritation that he / she cannot calmly wash.

Further, in the mist cleaning mode, it is preferable to drive the nozzle assembly 6 so that the water landing range 93 always includes a region having a predetermined area including a local position. As a result, the washing water can be reliably landed on the local part of the user.

Further, as shown in FIG. 16B, the injection control device 12 drives the nozzle assembly 6 so that the moving speed of the first injection port 6a becomes constant. That is, the injection control device 12 operates the nozzle front-rear drive motor 12a and the nozzle left-right drive motor 12b so that the first injection port 6a moves on a predetermined circumference centered on the local reference position at a substantially constant speed. .. Similarly, the control unit 20 controls the water supply valve 18 so that the flow rate and the water force (flow velocity) of the washing water injected from the first injection port 6a are substantially constant. As a result, the landing range of the washing water ejected from the first injection port 6a is also made substantially constant. On the other hand, the control unit 20 operates the hot water heater 16 so that the temperature of the washing water injected from the first injection port 6a fluctuates. Here, the hot water heater 16 is operated so as to heat the washing water jetted in the mist washing mode more strongly than the washing water jetted in the spot washing mode to raise the temperature. The hot water heater 16 fluctuates the heating amount so as to fluctuate the temperature of the washing water around the temperature set to such a high temperature, and the fluctuation cycle and the fluctuation amplitude of the temperature of the washing water randomly change. Will be done.

In the mist cleaning mode, since the sprayed cleaning water is made into a fine mist, the irritation given to the user by landing is less than in the spot cleaning mode and the like. For this reason, the user may feel anxious that the local area may not be sufficiently cleaned. Therefore, by setting the temperature of the sprayed washing water to be high, the stimulus given to the user is strengthened, and a sufficient washing feeling is given to the user. In addition, human beings have a characteristic of "acclimation" in which when the same stimulus continues, they become accustomed to the stimulus and become less likely to feel the stimulus. Therefore, by randomly changing the temperature of the washing water, "acclimation" is suppressed to give the user a sufficient washing feeling.
In the present embodiment, the mist irrigation mode is used for anus irrigation, but the mist irrigation mode can also be used for female local bidet irrigation. In this case, "local" in the above description shall mean "female local".

Next, the spot cleaning mode will be described with reference to FIGS. 17 and 18. The spot cleaning mode is a cleaning mode executed when the spot button 66a, the refreshing spot button 66b, or the soft button 66c is operated.

First, cleaning when the spot button 66a is operated will be described with reference to FIG. In FIG. 17, the landing point of the washing water is indicated by a “●” mark, and the central position of the human body local part (anus) is indicated by an “x” mark.
When the spot button 66a is operated, the control unit 20 executes the fixed spot cleaning mode among the spot cleaning modes. In the fixed spot cleaning mode, the control unit 20 operates the water mass generating device 14 and the nozzle driving device 12, and the supplied tap water passes through the water mass generating device 14 and is nozzle-assembled from the third connection portion 8c. The water channel is switched so that the water flows into No. 6 and the washing water is injected from the second injection port 6b via the third water supply flow path 7c. As a result, the washing water jetted from the second injection port 6b becomes a water mass and continuously lands on the human body.

Further, as shown in FIG. 17, when the spot button 66a is operated, the control unit 20 moves the second injection port 6b to the local reference position by the nozzle driving device 12. As a result, the second injection port 6b injects the washing water in a stationary state at the local reference position. As described above, when the injection port is located at the local reference position, it is assumed that the injected washing water is located at the local part (anus) of the human body seated on the toilet seat 4, marked with an “x” in FIG. The local center is cleaned towards the point.

On the other hand, when the soft button 66c is operated, the control unit 20 operates the nozzle driving device 12, and the supplied tap water bypasses the water mass generating device 14, and the nozzle assembly is performed from the fourth connection portion 8d. The water channel is switched so that the water flows into No. 6 and the washing water is injected from the second injection port 6b via the fourth water supply flow path 7d. As a result, the washing water jetted from the second injection port 6b draws in the outside air by the ejector effect, and becomes foam spouting water containing a large number of fine bubbles.

Further, when the soft button 66c is operated, the control unit 20 moves the second injection port 6b to the local reference position by the nozzle driving device 12. As a result, the second injection port 6b injects washing water containing foam in a stationary state at the local reference position, and the center of the local part is washed. Washing water containing foam is less irritating to the human body when it lands, giving the user a soft impression.

Next, with reference to FIG. 18, cleaning when the refreshing spot button 66b is operated will be described. In FIG. 18, the movement of the landing point of the washing water is indicated by a line, and the central position of the local part of the human body is indicated by an “x” mark. In addition, the "●" mark indicating the landing point of the water mass is omitted.
When the refreshing spot button 66b is operated, the control unit 20 executes the vibration spot cleaning mode among the spot cleaning modes. In the vibration spot cleaning mode, the control unit 20 operates the water mass generating device 14 and the nozzle driving device 12, and the supplied tap water passes through the water mass generating device 14 and is nozzle-assembled from the third connection portion 8c. The water channel is switched so that the water flows into No. 6 and the washing water is injected from the second injection port 6b via the third water supply flow path 7c. As a result, the washing water jetted from the second injection port 6b becomes a water mass and continuously lands on the human body.

Further, as shown in FIG. 18, when the refreshing spot button 66b is operated, the control unit 20 operates the nozzle driving device 12 so that the second injection port 6b is reciprocated in the vicinity of the local reference position. Let me. As a result, in the vibration spot cleaning mode, the water landing point is reciprocated with a shorter stroke than in the move cleaning mode. Specifically, in the vibration spot cleaning mode, the second injection port 6b repeats a zigzag movement pattern in which the second injection port 6b is reciprocated in the front-rear direction with a short stroke and is gradually moved in the left-right direction. Here, the cleaning area (water landing range) when the water film wide button 68b is operated is about 30 mm in the front-rear direction and about 20 mm in the left-right direction of the seated human body, whereas the refreshing spot button 66b is operated. The spot cleaning area 94 to be cleaned when the surface is cleaned is about 2 to 3 mm in the front-rear direction and about 2 to 3 mm in the left-right direction of the seated human body. As described above, the movement stroke of the water landing point in the vibration spot cleaning mode is set shorter than that in the move cleaning mode in both the front-rear direction and the left-right direction.

In the present embodiment, the control unit 20 has a movement pattern in which the water landing point is repeatedly moved back and forth in the approximately front-back direction of the human body while the water landing point is moved in the substantially left-right direction of the human body, and the landing point is a spot. The nozzle drive device 12 is operated so as to scan the inside of the cleaning area. Further, in the present embodiment, the spot cleaning area is set as a substantially square area centered on the water landing point in the fixed spot cleaning mode. Alternatively, the spot cleaning area can be set to a substantially rectangular shape that is long in the front-rear direction centered on the water landing point in the fixed spot cleaning mode.
The vibration spot cleaning mode can also be set so that the water landing point is reciprocated only in the front-rear direction.

Here, the fixed spot cleaning mode executed by operating the spot button 66a is a cleaning mode in which cleaning water is sprayed toward a local area while the injection port is stationary at a local reference position. In this fixed spot washing mode, the water landing point does not move, so if the water is landed at the local center position for a long time, part of the landed washing water will flow back from the anus into the rectum, and the user will It may give a new feeling of stool or give the user a feeling of residual stool. This phenomenon is especially likely to occur when the user relaxes after defecation and loosens the anal sphincter, which some users find extremely unpleasant. On the other hand, the vibration spot cleaning mode executed by operating the refreshing spot button 66b injects cleaning water while reciprocating the injection port with a minute stroke in the vicinity of the local reference position. The point is constantly moving near the local center position. In such a cleaning state, the user is given a cleaning feeling that is almost indistinguishable from the fixed spot cleaning mode, so that the user can be given a feeling that the local area is sufficiently cleaned. It is possible to suppress the backflow of wash water into the rectum, and it is difficult for the user to feel unpleasant residual stool.

Next, the transition mode executed when the cleaning mode is switched will be described with reference to FIGS. 19A and 19B.
FIG. 19A is a diagram showing a water landing point when shifting from the fixed spot cleaning mode to the swirling wide cleaning mode, which is one of the move cleaning modes, as an example. FIG. 19B is a time chart showing the operating status of each device in the transition mode.

As shown in FIG. 19A, when the swivel wide button 68d is operated during the execution of the fixed spot cleaning mode, the landing point immediately shifts to the elliptical trajectory in the swirling wide cleaning mode (FIG. 10B). Instead, it gradually expands the orbit of the ellipse in the left-right direction while drawing a spiral shape from an elongated ellipse that is long in the front-back direction, and finally reaches the ellipse orbit in the swirling wide cleaning mode. Here, in the present specification, among the move cleaning modes, the cleaning mode in which the water landing point moves substantially in the left-right direction of the human body is referred to as a "wide move cleaning mode". That is, after starting the swirling wide cleaning mode, which is the wide move cleaning mode, the control unit 20 operates the nozzle driving device 12 so that the water landing range is gradually expanded in the left-right direction.

FIG. 19B is a time chart showing the operating status of each device at the time of transition from the fixed spot cleaning mode to the swivel wide cleaning mode.
When the swivel wide button 68d is operated at the time t1 in FIG. 19B, the control unit 20 sends a control signal to the hot water heater 16 to raise the temperature of the injected washing water. Further, the control unit 20 sends a control signal to the water supply valve 18 and reduces the opening degree thereof to reduce the water force (flow velocity) of the injected washing water. As described above, when the wide move cleaning mode (swivel wide cleaning mode) is started, the flow velocity of the cleaning water injected from the second injection port 6b is lower than the flow velocity of the cleaning water in the fixed spot cleaning mode. The control unit 20 maintains this state until a predetermined transition condition to the swivel wide cleaning mode is satisfied. In the present embodiment, as transition conditions, a change in the detection signal (change in the seating state) of the seating sensor 22 (FIG. 2) after the user performs the operation of switching the cleaning mode, and a predetermined time from the switching operation. The progress is set.

When the seated user changes the seating position on the toilet seat 4, the seating sensor 22 reacts to this and the detection signal changes. When such a change in the detection signal is detected, the control unit 20 determines that the transition condition is satisfied, and shifts to the swirl wide cleaning mode. Further, the control unit 20 determines that the transition condition is satisfied even when 4 seconds have passed after the swivel wide button 68d is operated, shifts to the swivel wide cleaning mode, and moves the water landing point. Let's get started. That is, if the seating position is slightly modified so that the washing water will land at an appropriate position after the user operates the swivel wide button 68d, the changed washing mode is ready to start. Since it is possible, changing the cleaning mode does not give the user a sense of discomfort. Alternatively, even if 4 seconds have passed after the swivel wide button 68d is operated, it is considered that the user is ready to start the changed cleaning mode, so even if the cleaning mode is changed, the user feels uncomfortable. I will not give it.

When the transition condition is satisfied at time t2 in FIG. 19B, the control unit 20 sends a signal to the nozzle driving device 12 to start driving the nozzle assembly 6. At this time, the second injection port 6b of the nozzle assembly 6 gradually expands the movement range in the left-right direction of the human body with the local reference position as the base point, and thereby, as shown in FIG. 19A, the water landing range is also left and right. It is gradually expanded in the direction. Further, the control unit 20 sends a control signal to the water supply valve 18 to gradually increase the opening degree of the water supply valve 18. As a result, the water force (flow velocity) of the washing water injected from the second injection port 6b becomes stronger as the water landing range is expanded. In the present embodiment, since the flow velocity of the washing water injected from the injection port is changed by changing the opening degree of the water supply valve 18, the water supply valve 18 functions as a flow velocity changing device. If the sanitary cleaning device is provided with a pump that pressurizes the washing water, this can also be used as a flow velocity changing device.

In this way, by starting the wide move cleaning mode with the local reference position as the base point, the user can easily recognize which position the started move cleaning is centered on. .. As a result, the user can slightly correct the seating position on the toilet seat 4 or correct the local reference position to an appropriate position by using the water landing position button 74c. In addition, since the landing range is gradually expanded in the left-right direction, the washing water suddenly lands at a position away from the local area, and it may be misunderstood that the seating position is misaligned, or there may be positions where you do not want to wash. It does not give the user the discomfort of getting wet. In addition, when the landing range is expanded, the amount of water landing at the center of the local part of the human body decreases. However, by increasing the temperature of the washing water as the water landing range is expanded, increasing the flow velocity of the washing water, and increasing the stimulation given to the user, it is possible to alleviate the feeling of insufficient washing due to the decrease in the amount of water landing. ..

Further, in the example shown in FIG. 19, the cleaning mode was switched from the fixed spot cleaning mode to the wide move cleaning mode (swivel wide cleaning mode), but from the first wide move cleaning mode to the second wide move cleaning mode. For example, when the swirl wide cleaning mode is switched to the water film wide cleaning mode, the same transition mode is executed. That is, when the water film wide button 68b is operated during the swirling wide cleaning mode, the transition mode is executed, and the nozzle drive device 12 moves the second injection port 6b to the local reference position to perform the fixed spot cleaning mode. Is executed for a predetermined period. When the above transition conditions are satisfied in this state, the nozzle drive device 12 starts the wide move cleaning mode to start the movement of the water landing point. Further, even when the water film wide cleaning mode is started, the water landing range is expanded in the left-right direction each time the movement pattern of the water landing point is repeated, and finally reaches a predetermined movement pattern (for example, FIG. 10C). To do. Further, in the present embodiment, two stages of high flow velocity and low flow velocity are set as the flow velocity of the cleaning water injected from the injection port in the fixed spot cleaning mode. Here, in the fixed spot cleaning mode executed by operating the "spot button 66a", the cleaning water is sprayed at a high flow velocity. On the other hand, in the transition mode, in the fixed spot cleaning mode passing between the first wide move cleaning mode and the second wide move cleaning mode, cleaning water is sprayed at a low flow velocity.

Further, in the example shown in FIG. 19, the flow velocity of the injected washing water increases as the landing range is expanded, and is constant after the transition of the washing mode is completed, but in one movement pattern. You can also change the flow velocity with. For example, when the position of the injection port is far from the local reference position in the left-right direction of the human body, the washing water may be injected at a higher flow velocity than when it is close. As a result, the water force becomes stronger as the water landing point moves away from the local area in the left-right direction, so that a sufficient cleaning feeling can be given even to a dull side region.

Further, even when the cleaning mode is switched to the mist cleaning mode (FIG. 16), it is desirable to start the mist cleaning mode after executing the transition mode. Further, since the second injection port 6b is also moved in the left-right direction in the vibration spot cleaning mode (FIG. 18), the vibration spot cleaning mode can be said to be one of the wide move cleaning modes. However, since the vibration spot cleaning mode is a cleaning mode in which the water landing point is reciprocated with a shorter stroke than other wide move cleaning modes, the injection port is moved to the local reference position and passed through the fixed spot cleaning mode. Even if it is started directly without any notice, it does not give the user a strong sense of discomfort. Therefore, when shifting from the other wide move cleaning mode to the vibration spot cleaning mode, it is not always necessary to execute the transition mode via the fixed spot cleaning mode.

Next, the defecation promotion cleaning mode will be described with reference to FIGS. 20 to 24.
First, with reference to FIGS. 20 to 22, a massage cleaning mode executed by operating the massage button 70b among the defecation promoting cleaning modes will be described. The main purpose of this massage washing mode is to promote defecation, which is executed by operating the massage button 70b, which is an operation unit different from the spot button 66a and the like, whose main purpose is to wash the local area after defecation. It is a cleaning mode.

In the massage cleaning mode, the control unit 20 operates the water mass generating device 14 and the nozzle driving device 12, and the supplied tap water passes through the water mass generating device 14 and is connected to the nozzle assembly 6 from the third connection portion 8c. The water channel is switched so that the washing water is injected from the second injection port 6b via the third water supply flow path 7c. As a result, the washing water jetted from the second injection port 6b becomes a water mass and continuously lands on the human body.

In FIG. 20, the central position of the local part (anus) of the human body seated on the toilet seat 4 is indicated by an “x” mark, and the movement path of the landing point of the washing water is indicated by an arrow. As shown in FIG. 20, when the massage button 70b is operated, first, a turning movement pattern is executed in which the water landing point is turned twice clockwise around the local position of the human body. Next, a front-back movement pattern is executed in which the water landing point is moved so as to pass through the local position of the human body in the approximately front-back direction of the human body, and the water landing point is turned twice counterclockwise around the local position of the human body. The turning movement pattern is executed, and the back-and-forth movement pattern is executed again. In the massage cleaning mode, the massage movement cycle having these clockwise rotation movement patterns, front-back movement patterns, counterclockwise rotation movement patterns, and front-back movement patterns as one cycle is repeatedly executed until the stop button 72a is operated. Will be done.

In addition, "turning the water landing point around the local position of the human body" means to wear around the predetermined position where the local part (anus) of the seated human body is assumed to be located due to the design of the sanitary cleaning device 1. It means moving the injection port so that the water point moves. As described above, if the washing water is sprayed with the injection port positioned at the local reference position, the washing water will land at the position where the local part of the human body is supposed to be located, so that the washing water will land around this local reference position. By moving the injection port, the water landing point can be swiveled around the local position of the human body.

Further, in the present embodiment, the period in which the swirling movement pattern is performed is set longer than the period in which the swirling movement pattern is performed, and the amount of washing water injected during the swirling movement pattern moves back and forth. More than the amount of wash water sprayed into the pattern. Further, the front-back movement pattern included in the massage movement cycle is one round-trip linear movement in which the water landing point is moved from the back side to the front side of the human body and then the water landing point is moved from the front side to the back side. It is always set as the same movement pattern.

As described above, in the massage washing mode, the anal sphincter muscle around the local part of the human body is massaged by washing the swirling movement pattern, so that the effect of promoting defecation to the user is expected. That is, by the massage cleaning mode, the human body uses the comfort that the free surface substance such as fluid hits the part where the upper part of the sensory organ is thin and covered with mucous membrane with appropriate strength. Can be provided to the person. Further, since the back-and-forth movement pattern passing through the human body is executed between the turning movement patterns, the user can recognize that the water landing position is not deviated, and gives the user a sense of security. Further, since the clockwise and counterclockwise turns are executed as the turning movement pattern, the acclimatization of the stimulation to the anal sphincter can be prevented and the massage effect can be enhanced.

Next, another massage cleaning cycle when the massage button 70b is operated will be described with reference to FIGS. 21A and 21B. FIG. 21A shows a massage wash cycle performed by the sanitary wash device 1. FIG. 21B is a time chart showing the operating status of each device in this massage washing cycle. In the sanitary cleaning device 1 of the present embodiment, a detailed setting screen (not shown) is displayed by operating the personal setting button 74d (FIG. 9) on the touch panel 10a, and various massage cleanings are performed on this screen. The cycle can be selected as the "massage wash mode".

The massage cleaning cycle shown in FIG. 21A is a cleaning cycle in which a clockwise rotation movement pattern, a front-back movement pattern, a vibration spot movement pattern, a counterclockwise rotation movement pattern, and a front-back movement pattern are executed in this order. Each swirl movement pattern and back-and-forth movement pattern are the same as those included in the massage washing cycle shown in FIG. Further, the vibration spot movement pattern reciprocates the second injection port 6b in the vicinity of the local reference position with a minute stroke, similar to the cleaning in the vibration spot cleaning mode executed when the refreshing spot button 66b is operated. is there. The vibration spot movement pattern may be a stroke that moves the water landing point back and forth only in the front-back direction with a stroke shorter than the front-back movement pattern, and also has a stroke shorter than the front-back movement pattern with lateral movement in the left-right direction. The water landing point may be reciprocated in the front-back direction.

Further, as shown in FIG. 21B, during the massage cleaning cycle, the moving speed of the second injection port 6b is always constant during the execution of the turning movement pattern, the front-back movement pattern, and the vibration spot movement pattern. .. In addition, the temperature of the washing water ejected from the injection port is always constant. On the other hand, the water force (flow velocity) of the washing water injected from the second injection port 6b is set lower during the execution of the front-back movement pattern and the vibration spot movement pattern than during the execution of the turning movement pattern. .. That is, the control unit 20 sends a control signal to the water supply valve 18 to set the flow velocity during execution of the forward / backward movement pattern and the vibration spot movement pattern low.

According to the massage cleaning cycle shown in FIG. 21, a vibration spot movement pattern that reciprocates the water landing point with a short stroke is included in the cycle, so that a stronger stimulus is given to the local center and further. A defecation promoting effect can be obtained. Also, according to this massage wash cycle, the irrigation of the wash water during the execution of the anteroposterior movement pattern and the vibration spot movement pattern is lower than that during the execution of the swirl movement pattern, so that more washing water can be obtained by massaging the anal sphincter. Can be turned around, and a high defecation promoting effect can be obtained with a small amount of washing water.

Next, with reference to FIG. 22, yet another massage cleaning cycle when the massage button 70b is operated will be described.
The massage cleaning cycle shown in FIG. 22 executes a clockwise swivel movement pattern, a figure eight forward / backward movement pattern, a counterclockwise swivel movement pattern, and a figure eight forward / backward movement pattern in this order. It's a cycle. Each swivel movement pattern is the same as that included in the massage wash cycle shown in FIG.

Further, in the massage washing cycle shown in FIG. 22, the front-back movement pattern is such that the water landing point is moved in a figure eight shape. In this movement pattern, first, the landing point is moved in one direction from the back side to the front side of the human body so as to pass through the local part of the human body in the approximately front-back direction. Next, the water landing point moves clockwise half a circle from the front side to the back side so as to draw an arc around the human body local part, and further, the human body local part moves substantially in the front-rear direction from the back side to the front side. It moves so as to pass through, and finally, from the front side to the back side, it moves half a turn counterclockwise in an arc around the human body. As a result, the landing point moves in a horizontal figure eight trajectory that passes through the human body region twice in the front-back direction.

According to the massage washing cycle shown in FIG. 22, since the anteroposterior movement pattern executed during the swirling movement pattern also includes the half-circumferential movement, the time during which the anal sphincter massage is interrupted is short, and defecation is more effective. Can be promoted.

Next, among the defecation promotion cleaning modes, the defecation promotion spot cleaning mode executed by operating the defecation promotion spot button 70a will be described with reference to FIGS. 23 and 24. This defecation promotion spot cleaning mode is executed by operating the defecation promotion spot button 70a, which is an operation unit different from the spot button 66a and the like whose main purpose is to clean the local area after defecation. This is the main cleaning mode.

In the defecation promotion spot cleaning mode, the control unit 20 operates the water mass generating device 14 and the nozzle driving device 12, and the supplied tap water passes through the water mass generating device 14 and is nozzleed from the third connection portion 8c. The water channel is switched so that it flows into the assembly 6 and the washing water is injected from the second injection port 6b via the third water supply flow path 7c. As a result, the washing water jetted from the second injection port 6b becomes a water mass and continuously lands on the human body.

In FIG. 23A, the central position of the local part (anus) of the human body seated on the toilet seat 4 is indicated by an “x” mark, and the movement path of the landing point of the washing water is indicated by an arrow. As shown in FIG. 23A, when the defecation promotion spot button 70a is operated, first, a turning movement pattern in which the water landing point is turned clockwise around the human body is executed. Next, the fixed spot cleaning is executed for a predetermined time, in which the cleaning water is ejected with the second injection port 6b stationary at the local reference position. Further, after the swirling movement pattern in which the water landing point is swiveled counterclockwise around the local part of the human body is executed, the fixed spot cleaning is executed again for a predetermined time, and one defecation promotion cycle is completed. This defecation promotion cycle is repeatedly executed until the stop button 72a is operated.

Here, in one defecation promotion cycle, the period during which the swirling movement pattern is performed is set longer than the period during which the fixed spot cleaning is performed, and the swirling movement pattern is such that the sprayed washing water is used. It is set so that it does not directly land on the center point (anal position) of the human body. In addition, the defecation promotion cycle is set to include a different turning movement pattern each time it is executed. That is, the number of turns or the turning angle in each turning movement pattern is randomly set.

Further, as shown in FIG. 23B, in the defecation promotion cycle, the moving speed of the second injection port 6b is maintained constant during the execution period of the turning movement pattern, and when the process shifts to the fixed spot cleaning, the second injection port 6b becomes Stopped at the local reference position. Since the number of turns or the turning angle of the water landing point in the turning movement pattern is randomly set each time it is executed, the period during which the turning movement pattern is executed is an indefinite period. Further, the temperature of the jetted wash water remains constant throughout the defecation promotion cycle, which is the set temperature of the wash water in the fixed spot wash mode executed by operating the spot button 66a. Set to a higher temperature. That is, when the defecation promotion spot cleaning mode is started, the control unit 20 sends a control signal to the hot water heater 16 to raise the temperature of the injected cleaning water. Further, the control unit 20 sends a control signal to the water supply valve 18 when shifting from the swirling movement pattern to the fixed spot cleaning, and increases the flow velocity (water force) of the injected cleaning water.

Further, as shown in FIG. 24, as a modification, the swirling movement pattern in the defecation promotion cycle can be set so that the landing point draws an elliptical orbit long in the front-rear direction of the human body. Such an elliptical orbit conforms to the morphology of the anal sphincter muscle of the human body, and a stronger massage effect can be obtained. Although a clockwise elliptical orbit is shown in FIG. 24, it goes without saying that a counterclockwise turning movement pattern can also be an elliptical orbit. Further, the swirling movement pattern in the massage washing cycle (FIGS. 20 to 22) described above can be made into an elliptical orbit.

The defecation promotion spot cleaning mode aims to obtain a stronger defecation promotion effect. As described above, in the fixed spot washing mode, when the washing water has landed in the center of the human body (anus), the washing water flows back from the anus and invades the rectum, causing the user to have a strong desire to defecate. Sometimes. However, when the user tensions the anal sphincter and tightens the anus, the washing water does not penetrate much and the defecation promoting effect cannot be obtained. In the defecation promotion spot wash mode, a swirling movement pattern is first performed with warm wash water, which massages the anal sphincter and allows the user to loosen the anal sphincter. After this swirling movement pattern, the water force is strengthened and the fixed spot irrigation is performed, so that the irrigation water lands in the center of the human body with the anal sphincter loosened, so that the irrigation water easily invades the rectum. , A stronger defecation promoting effect can be obtained. In addition, since the swivel movement pattern is executed for a different period (different swivel angle) for each execution of the defecation promotion cycle, the user cannot predict when the fixed spot cleaning will start, and the fixed spot cleaning will start. Sometimes it is also difficult to intentionally strain the anal sphincter. Therefore, it is possible to effectively allow the washing water to enter the rectum, and a strong defecation promoting effect can be obtained.

Next, the stop sequence will be described with reference to FIGS. 25 to 27.
The stop sequence is a sequence of cleaning modes executed by operating the finishing stop button 72b (FIG. 9), and after executing a series of preset cleaning modes, the injection of cleaning water is automatically stopped. It is a thing. In the sanitary cleaning device 1 of the present embodiment, apart from the finishing stop button 72b, which is an operation unit for executing this stop sequence, it is an operation unit that immediately stops the injection of cleaning water without executing the stop sequence. A stop button 72a is also provided.

According to a survey conducted by the applicant, the user of the sanitary cleaning device did not necessarily use the sanitary cleaning device only for the purpose of cleaning the local area contaminated by defecation, but promoted defecation and relaxed after defecation. It has been clarified that sanitary cleaning equipment is used for the purpose of obtaining satisfaction. For this reason, the user may continue to use the sanitary cleaning device even after the local area has been sufficiently cleaned after defecation, and may end the use after obtaining a certain degree of satisfaction. The stop sequence is intended to be used to give the user such a certain degree of satisfaction.

FIG. 25 shows an example of the stop sequence, in which the central position of the local part (anus) of the human body seated on the toilet seat 4 is indicated by an “x” mark, and the movement path of the landing point of the washing water is indicated by an arrow. In this stop sequence, after executing the swirl wide wash mode (FIG. 10B), which is a move wash mode in which the water landing point is swiveled clockwise around the human body, for a predetermined time, the injection of wash water is automatically stopped. Will be done. After sufficiently cleaning the local area using the fixed spot cleaning mode or the like, the user operates the finishing stop button 72b to stop the finishing of the turning movement pattern for a predetermined time and end the service. This allows the stool to be terminated after the anal sphincter muscle, which has been congested by defecation, is sufficiently massaged.

FIG. 26 shows another example of the stop sequence. In the sanitary cleaning device 1 of the present embodiment, a detailed setting screen (not shown) is displayed by operating the personal setting button 74d (FIG. 9) on the touch panel 10a, and the user's preference is displayed on this screen. The stop sequence can be set according to.
In the example shown in FIG. 26, after the vibration spot cleaning mode is executed for a predetermined time, the turning movement pattern is executed for a predetermined time, and the injection of the cleaning water is automatically stopped. As described above, the vibration spot cleaning mode is a cleaning mode in which the landing point is reciprocated with a shorter stroke than the move cleaning mode, and the backflow of the cleaning water to the rectum is unlikely to occur, giving the user a feeling of residual stool. It is difficult to give, so it is suitable for execution in a stop sequence. That is, in the stop sequence, it is preferable to execute a cleaning mode in which the range of water landing on the human body is set to be wider than that of the fixed spot cleaning mode, and therefore, the cleaning mode in which the water landing point moves is executed. Is preferably performed. In the vibration spot cleaning mode, the water landing point may move only in the front-rear direction without moving the water landing point in the left-right direction.

As described above, the washing mode included in the stop sequence is preferably a washing mode in which the irritation given to the rectum by the washing water is not strong as in the fixed spot washing mode, but the irritation given to the rectum is small. Therefore, the present invention can be configured so that the fixed spot cleaning mode cannot be set as a stop sequence. Alternatively, a swirling movement pattern in which the landing point of the washing water jetted from the injection port is swiveled around the local position of the seated human body, and before and after moving the landing point so as to pass through the local position in the front-back direction of the human body. A massage wash mode (FIG. 20) that includes a movement pattern can also be set as a stop sequence. Furthermore, there is a move cleaning mode in which the landing point moves in the approximately front-back direction of the seated human body, and a stroke that moves the landing point in the front-rear direction with a stroke shorter than the movement distance in the move cleaning mode while moving the human body in the lateral direction. It can also be set as a stop sequence to include a moving vibration spot cleaning mode.

Further, as described above, the type of cleaning mode executed in the stop sequence can be variously selected according to the preference of the user, but in the sanitary cleaning apparatus 1 of the present embodiment, in addition to the type of cleaning mode, injection is performed. Parameters related to the washing mode, such as the temperature of the washing water to be sprayed, the flow velocity of the washing water to be sprayed, and the time to execute the stop sequence, can be set by the touch panel 10a on the remote control 10. Therefore, the touch panel 10a functions as a cleaning mode setting device.

Further, in addition to the parameters related to the washing mode in the stop sequence, as described above, parameters such as the temperature and flow velocity of the washing water related to the washing mode executed in other than the stop sequence can also be set on the touch panel 10a. Here, the setting for the cleaning mode executed in the stop sequence has a narrower range of parameters that can be set than the setting for the cleaning mode executed in other than the stop sequence. This is because when the temperature, flow velocity, etc. of the washing water are set to extreme values due to erroneous operation or mischief regarding the washing mode in the stop sequence, the stop sequence executed to relax causes a strong discomfort to the user. This is because it gives.

Further, as described above, the finishing stop button 72b is operated in a state where local cleaning is performed by fixed spot cleaning or the like, and is intended to stop the injection of cleaning water after executing a predetermined stop sequence. It was prepared. However, even when the finishing stop button 72b is operated in a state where the washing water is not injected, the injection is stopped after the stop sequence is executed. Therefore, by setting the stop sequence to include the cleaning mode for local cleaning, the finish stop button 72b can be used as an operation unit for automatic cleaning that executes from cleaning to stopping in one operation. You can also do it.

FIG. 27 is an example of a stop sequence setting for automatic cleaning for the purpose of such automatic cleaning.
In the example shown in FIG. 27, as a stop sequence for automatic cleaning, first, a fixed spot cleaning mode or a vibration spot cleaning mode is executed for a predetermined time for local cleaning, and then a swirling wide cleaning mode or a swirling wide cleaning mode for local peripheral cleaning is performed. The water film wide washing mode is executed for a predetermined time, and finally, after the massage washing mode is executed for a predetermined time for a massage to obtain a certain degree of satisfaction, the injection of washing water is automatically stopped. By setting the stop sequence in this way, after defecation, the user simply operates the finishing stop button 72b, and after the local washing and massage are executed fully automatically, the injection of the washing water is automatically stopped. ..
Alternatively, as a modification, the operation unit for executing a series of sequences including local cleaning and automatically stopping is a "fully automatic button" (shown) separately from the finishing stop button 72b or in place of the finishing stop button 72b. It can also be provided as a).

According to the sanitary cleaning device 1 of the embodiment of the present invention, the washing water injected from the injection port by the water mass generation device 14 (FIG. 7) becomes a water mass (FIG. 8), and the water mass becomes a water mass (FIG. 8) at predetermined time intervals. Since the washing water is sprayed so as to continuously land on the human body, it is difficult for the user to clearly perceive the area where the washing water is landing, so the washing area is set relatively narrow. Even so, it does not make the user feel uneasy. In addition, according to the sanitary cleaning device 1 of the present embodiment, since the water mass lands on the human body at predetermined time intervals, it is difficult to acclimatize to the stimulus of water landing, and a small amount of washing water is sufficient for stimulating. Can be continuously given to the user, and even a small amount of washing water can give the user a sense of security.

Further, according to the sanitary cleaning device 1 of the present embodiment, the distance between the water mass landing points in the central region 80a is made closer than the distance between the water mass landing points in the side region 80b (FIG. 11A). ) Therefore, at the same time that all the parts to be cleaned are covered, the user can be given the impression that the part to be cleaned most is surely cleaned, and the user can be satisfied.

Further, according to the sanitary cleaning device 1 of the present embodiment, the moving speed of the water landing point in the front-rear direction is made substantially constant, while the number of water landing points in the central region 80a is set to the number of water landing points in the side region 80b. Since the number is larger than the number (FIGS. 10C and 10D), the amount of water landing can be made different without giving the user an unnecessary feeling of anxiety.

Further, according to the sanitary cleaning device 1 of the present embodiment, the water mass is generated by pulsating the flow velocity of the cleaning water injected from the injection port 6b, so that even if a small water mass is generated, the water landing position. Is unlikely to vary. That is, by pulsating the flow velocity of the jetted washing water, the washing water jetted at a low flow velocity is overtaken by the washing water jetted later at a high flow velocity to form a water mass, which lands on the user. (Fig. 8). In this way, by generating a water mass by the pulsation of the flow velocity, even if a small water mass is generated, the landing position is unlikely to vary, and the user is not uncomfortable. Further, by controlling the pulsation of the flow velocity, the size of the water mass generated in the central region 80a and the side region 80b is made different (FIG. 10C), so that the amount of water landed in the central region can be easily adjusted to the side region. Can be more than.

Further, according to the sanitary cleaning device 1 of the present embodiment, the water mass landing on the central region 80a is reduced (FIGS. 10C and 11A), so that the anus can be cleaned with a strong cleaning force. On the other hand, since the distance from the injection port 6b to the water landing point is long in the side region 80b, the speed of the water mass that lands on the water decreases. Therefore, by enlarging the water mass that lands on the water, a sufficient stimulus can be given to the user, and a sufficient cleaning feeling can be given to the user even for the side region 80b.

Further, according to the sanitary cleaning device 1 of the present embodiment, the density of the water landing points of the washing water in the central region 80a is higher than the density of the water landing points in the side region 80b, so that the side region with less dirt is less polluted. The amount of washing water used for washing 80b can be suppressed. Further, when the amount of washing water is different between the central region 80a and the side region 80b due to the change in the density of the landing point while keeping the size of the generated water mass almost constant, a predetermined cleaning is performed with simple control. The amount of water can be set.

Further, according to the sanitary cleaning device 1 of the present embodiment, when the cleaning water is sprayed into the central region 80a, it is operated so that the frequency of the reciprocating motion of the plunger 52 becomes high (FIG. 10D). At the time of cleaning, the operating noise of the solenoid valve 14a becomes louder, and the user can realize that the part desired to be cleaned well is sufficiently cleaned, and the user can be satisfied. .. As a result, it is possible to compensate for the relatively short cleaning time in the central region, and it is possible to give the user a sense of security.

Further, according to the sanitary cleaning device 1 of the present embodiment, when cleaning the central region 80a in the move cleaning, the frequency of the reciprocating motion of the plunger 52 is higher than that in the spot cleaning (broken line in FIG. 10D) (the frequency of the reciprocating motion of the plunger 52 is higher). FIG. 10D), since the operating noise of the solenoid valve 14a when cleaning the central region 80a by the move cleaning becomes loud, it is possible to compensate for the shortening of the cleaning time of the central region 80a in the move cleaning, and the central region 80a can be compensated. It is possible to give the user a sufficient cleaning feeling.

Further, according to the sanitary cleaning device 1 of the present embodiment, when the central region 80a is cleaned in the move cleaning, the frequency of the reciprocating motion of the plunger 52 is higher than that in the spot cleaning (broken line in FIG. 10D). When cleaning the side region 80b in the move cleaning, the frequency of the reciprocating motion of the plunger is lower than that in the spot cleaning (FIG. 10D). Therefore, when the central region 80a is cleaned in the move cleaning, the solenoid is used. It is emphasized that the operating noise of the valve 14a becomes louder, and a sufficient cleaning feeling for the central region 80a can be given to the user.

Although the preferred embodiment of the present invention has been described above, various modifications can be made to the above-described embodiment. In particular, in the above-described embodiment, the nozzle drive device 12 moves the water landing point in the left-right direction of the human body by rotating the nozzle assembly 6 about the rotation shaft 24a (FIG. 5). The landing point can be moved to the left or right by another mechanism. For example, the water landing point can be moved in the left-right direction by providing a device for moving the nozzle assembly in the left-right direction as the nozzle drive device. Alternatively, the present invention can be configured so that the water landing point moves in the left-right direction by changing the angle of the injection port by providing a mechanism for rotating the nozzle assembly about its longitudinal axis.

1 Sanitary cleaning device according to the embodiment of the present invention 2 Flush toilet body 2a Bowl part 2b Washing water tank 4 Toilet seat 6 Nozzle assembly 6a First injection port 6b Second injection port 7a First water supply flow path 7b Second water supply flow path 7c 3rd water supply flow path 7d 4th water supply flow path 8a 1st connection part 8b 2nd connection part 8c 3rd connection part 8d 4th connection part 9 Function part 10 Remote control (operation device)
10a Touch panel 12 Nozzle drive device 12a Nozzle front / rear drive motor 12b Nozzle left / right drive motor 14 Water mass generator 14a Solenoid valve 16 Hot water heater (heating device)
18 Water supply valve (flow velocity changer)
20 Control unit (injection control device)
22 Seating sensor 24 Base member 24a Rotating shaft 26 Holding cylinder 28a Drive side pulley 28b Driven side pulley 28c Timing belt 30a Drive gear 30b Arc-shaped gear 32 Swing chamber 32a Tapered flow path 32b Air suction port 34 Swing chamber 34a Tapered flow path 36 Throat Flow path 36a Tapered part 38 Throat flow path 50 Cylinder 50a Inflow port 50b Outlet 52 Plunger 54 Check valve 56 Return spring 58 Buffer spring 60 Pulsation generation coil 62a Large cleaning button 62b Small cleaning button 62c Drying button 62d Deodorizing button 64 Authentication button 66a Spot button 66b Refreshing spot button 66c Soft button 68a Front and rear buttons 68b Water film wide button 68c Mist wide button 68d Swivel wide button 70a Defecation promotion spot button 70b Massage button 72a Stop button 72b Finishing stop button 74a Set temperature button 74b Water pressure button 74c Water position button 74d Personal setting button 76 Display area 80 Cleaning area 80a Central area 80b Side area 82 Movement pattern 84 Movement pattern 86 Movement pattern 88 Movement pattern 88a Rear side end 88b Front side end 88c Water film 90 Movement pattern 90a Rear Side end 90b Rear side end 90c Water film 90d Front end 92 Granulated water flow 93 Water landing range 94 Spot cleaning area

Claims (6)

It is a sanitary cleaning device that cleans the local area by injecting cleaning water toward the local area of the human body seated on the toilet seat.
A nozzle assembly provided with an injection port that injects wash water diagonally upward from the back side to the front side of the seated human body.
A nozzle driving device that drives the nozzle assembly so that the landing point of the washing water ejected from the injection port on the human body is moved in at least two directions, a front-rear direction and a left-right direction.
A water mass generator that injects cleaning water from the injection port so that the washing water ejected from the injection port becomes a water mass and the water mass continuously lands on the human body at predetermined time intervals.
An operating device operated by the user so that the injection of the washing water from the injection port is started.
Based on the operation on this operating device, it has an injection control device that operates the nozzle driving device and the water mass generating device so that the washing water is ejected toward a predetermined landing point of the human body. ,
In the injection control device, the water landing point of the water mass landing on the human body is moved in at least two directions at predetermined time intervals so that the predetermined cleaning area including the local part of the human body is cleaned. Execute the move cleaning mode to activate the nozzle drive,
The cleaning area includes a central area extending in the front-rear direction of the human body and side areas on both sides thereof, and the injection control device reciprocates the water landing point in one of the side areas. The nozzle drive device is operated so as to reciprocate the water landing point in the central region.
Further, the injection control device includes the nozzle driving device and / or the nozzle driving device so that the distance between the water mass landing points in the central region is closer than the distance between the water mass landing points in the side region. It actuates the water mass generator,
The nozzle drive device is configured to move the water landing point of the water mass in the front-back direction and the left-right direction of the human body, and the injection control device has a movement speed of the water landing point in the water mass in the front-rear direction. The nozzle drive device is operated so as to be constant, and the water mass generator is operated so that the number of water landing points in the central region is larger than the number of water landing points in the side region. ,
Said injection control apparatus, as the water mass impinges on the central region is smaller than the body of water that impinges on the side regions, the sanitary washing device according to claim Rukoto actuates the water mass generator .. The water mass generating device is configured to generate a water mass by pulsating the flow velocity of the washing water injected from the injection port, and the injection control device is configured to generate a water mass in the central region and the side region. sanitary washing apparatus according to claim 1, wherein the size actuates differently the water mass generation apparatus. The water mass generator is configured to pulsate the flow velocity of the washing water jetted from the injection port by reciprocating the plunger of the built-in solenoid valve, and the injection control device cleans the central region. when spraying water, from when injecting the washing water to the side region, the sanitary washing device according to claim 1, wherein actuating the said water mass producing apparatus so that the frequency of the reciprocating motion of the plunger is high. The injection control device is further configured to be capable of executing a spot cleaning mode in which cleaning is performed with the injection port stationary, and the water mass generating device reciprocates a plunger of a built-in solenoid valve. The injection control device is configured to pulsate the flow velocity of the cleaning water ejected from the injection port, and when the cleaning water is injected into the central region in the move cleaning mode, the cleaning water is sprayed in the spot cleaning mode. than when injected also sanitary washing apparatus according to claim 1, wherein actuating the said water mass producing apparatus so that the frequency of the reciprocating motion of the plunger is high. When the injection control device injects the cleaning water into the side region in the move cleaning mode, the frequency of the reciprocating motion of the plunger is lower than when the cleaning water is injected in the spot cleaning mode. The sanitary cleaning device according to claim 4, which operates the water mass generating device. In the cleaning region, the landing point is moved in one of the side regions, then the water landing point is moved in the central region, and further, in the other of the side regions. The sanitary cleaning device according to any one of claims 1 to 5 , which operates the nozzle drive device so as to move the water landing point.

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