JP4172227B2 - Sanitary washing device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a sanitary washing device for washing a human body.
[0002]
[Prior art]
Hygiene cleaning devices that sanitize local parts of the human body are becoming popular. Hereinafter, a conventional sanitary washing apparatus will be described with reference to the drawings. As shown in FIG. 10, this type of sanitary washing device feeds out a human body washing nozzle 7 from a body 5 of a sanitary washing device installed at the rear of the toilet to a local part of a human body 6 sitting on a toilet seat 3. Washing water is jetted out from behind to clean the local area. In the figure, 1 is a toilet bowl, 2 is a sanitary washing toilet seat device, and is provided with a main body 5 that houses a toilet seat 3, a toilet lid 4 and a human body washing nozzle 7.
[0003]
In recent years, the living environment has become sophisticated, and changes in indoor temperature and humidity have decreased throughout the year. On the other hand, this is an environment suitable for the growth of fungi and fungi.
[0004]
In recent years, a sanitary washing toilet seat device that is widely used includes a heating toilet seat and a human body washing nozzle that discharges hot water, so that the sanitary washing device is kept warm and humid. Therefore, those who are worried that the toilet seat device and its associated components may become contaminated due to the growth of fungi and bacteria (such as Escherichia coli and Legionella), and may become unsanitary. There is also. In particular, the human body cleaning nozzle is the part that protrudes into the toilet bowl and is stored in the sanitary washing device, and the most cleanliness is required only by washing the delicate parts of the human body with hot water discharged from the human body cleaning nozzle. Is done.
[0005]
[Problems to be solved by the invention]
The above conventional sanitary washing apparatus was cleaned with a chlorine-based or alcohol-based bleach or detergent when cleaning the toilet. However, there is a problem that it is troublesome for a person to perform disinfection work in this way.
[0006]
SUMMARY OF THE INVENTION An object of the present invention is to provide a sanitary washing apparatus that can easily and easily sterilize a human body washing nozzle with a vapor.
[0007]
[Means for Solving the Problems]
In order to solve the above problems, the present invention provides a human body cleaning nozzle having a discharge port for discharging cleaning water for cleaning a human body, a steam sterilization means for steam sterilizing the outer surface of the human body cleaning nozzle, steam A steam outlet for discharging the steam generated by the sterilizing means, a warm water unit for warming the wash water for washing the human body, and a path leading to the human body cleaning nozzle through the path for the warm water generated by the warm water unit A switching valve for switching to a path connected to the steam outlet, the steam sterilization means is provided in a branch path to the steam outlet switched by the switching valve, and the steam sterilization means is heated by the hot water unit The sanitary washing apparatus is characterized in that steam is generated by heating to a temperature higher than the washing water temperature.
[0008]
According to the present invention, since the steam cleaning means acts to steam sterilize the human body washing nozzle, it can be kept simple and easy to clean, and even a person with tidyness can be cleaned with peace of mind. A safe sanitary washing device can be provided.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
The invention according to claim 1 is a human body cleaning nozzle having a discharge port for discharging cleaning water for cleaning a human body, a steam sterilization means for steam sterilizing an outer surface of the human body cleaning nozzle, steam A steam outlet for discharging the steam generated by the sterilizing means, a warm water unit for warming the wash water for washing the human body, and a path leading to the human body cleaning nozzle through the path for the warm water generated by the warm water unit A switching valve for switching to a path connected to the steam outlet, the steam sterilization means is provided in a branch path to the steam outlet switched by the switching valve, and the steam sterilization means is heated by the hot water unit The sanitary washing apparatus is characterized in that steam is generated by heating to a temperature higher than the washing water temperature. With this configuration, it works to disinfect the body cleaning nozzle with steam by means of steam sterilization, so it can be easily and easily kept clean and can be used with peace of mind by people with tidyness. Since the unit is provided in a separate branch path that does not communicate with the human body washing nozzle, the vapor is not discharged from the human body washing nozzle and hits the human body, and the human body washing nozzle can be sterilized with vapor in peace. Further, the material constituting the path for supplying the washing water to the human body washing nozzle, the hot water unit in the middle, and the constituting material of the switching valve do not need to be a special heat resistant material.
[0010]
The invention according to claim 2 is a configuration in which the steam sterilization means includes steam sterilization control means for receiving the steam sterilization mode signal and controlling the operation of the steam sterilization. Since it is equipped with steam sterilization control means for receiving steam sterilization mode signal and controlling the operation of steam sterilization, human body cleaning having a discharge port for discharging cleaning water for cleaning the human body without troublesome operation The nozzle and at least the outer surface of the discharge port of the human body cleaning nozzle are sterilized with steam, and contamination by fungi and fungi does not occur and can be kept hygienic.
[0011]
The invention according to claim 3 is a configuration in which a sterilization switch for transmitting a steam sterilization mode signal is provided in the main body or the remote control of the sanitary washing device. With this configuration, steam sterilization can be performed simply and easily by simply pressing the sterilization switch.
[0012]
The invention described in claim 4 is characterized in that the steam from the steam generating unit is discharged to the outer surface of the discharge port of the human body washing nozzle. With this configuration, the outer surface of the discharge port can be easily and easily kept clean, and can be used with peace of mind by people with tiring.
[0013]
The invention according to claim 5 is configured to control the flow rate of hot water supplied to the steam generation unit during steam sterilization to a predetermined flow rate. By controlling the flow rate of hot water supplied to the steam generation unit to a predetermined flow rate, the amount of steam generation is stabilized, a stable sterilization effect can be obtained, and steam can be prevented from reaching the human body, which is safe and secure. In addition, the heat input required to convert the hot water controlled at a constant temperature of, for example, 40 ° C. by the hot water unit into steam at a constant temperature of, for example, 100 ° C. by the steam generation unit is theoretically determined by the flow rate of the steam, By configuring the steam flow rate through the steam generation unit to a predetermined flow rate, the temperature sensor of the steam generation unit can be omitted.
[0014]
In the invention according to claim 6, the human body washing nozzle is normally housed in the main body of the sanitary washing device and protrudes from the main body of the sanitary washing device when washing the human body. In order to prevent the steam from hitting the human body, the operation of steam sterilization is prohibited except when the human body washing nozzle is housed in the main body of the sanitary washing device. With this configuration, when the user is cleaning the human body with the human body cleaning nozzle, even if the user presses the operation button to instruct the steam sterilization accidentally, the operation of the steam sterilization is not performed, so the user is worried about burns. It can be used with peace of mind.
[0015]
The invention described in claim 7 is configured to have a plurality of human body cleaning nozzles and a steam discharge port for steam sterilizing the plurality of human body cleaning nozzles at the same time during steam sterilization. With this configuration, for example, when there are a plurality of human body washing nozzles such as a butt nozzle and a bidet nozzle, the plurality of human body washing nozzles act to vapor sterilize at the same time. Even when it is used, a human body cleaning nozzle that has been sterilized with steam is used, so that it can be sterilized and cleaned safely.
[0016]
In the invention according to claim 8, at least a part of the human body washing nozzle is made of stainless steel. With this configuration, the effect of steam sterilization can be further enhanced.
[0017]
According to the ninth aspect of the present invention, the steam sterilization means automatically performs steam sterilization at predetermined time intervals, so that even when the sanitary washing apparatus is not used for a long time or for a long time, Since the nozzle is automatically sterilized by steam every predetermined time interval, it is always free of contamination by fungi and fungi and can be kept hygienic and clean.
[0018]
【Example】
Hereinafter, embodiments of the present invention will be described with reference to FIGS.
[0019]
(Example 1)
FIG. 1 shows the appearance of a sanitary washing device according to a first embodiment of the present invention. In FIG. 1, a warm water washing toilet seat 10 as a sanitary washing device is installed on a toilet bowl 11, and a main body 12 and a toilet lid of the sanitary washing device are shown. 13. Consists of a toilet seat 14 and the like for a user to sit on, and electricity for receiving power supply from a water supply pipe (shown by 27 in FIG. 3) for receiving supply of washing water from the water supply and a wall outlet A cable 15 is provided. Further, inside the sanitary washing device 10, a butt washing function for the user to wash the anus, a bidet washing function for washing the female local part after small use, a drying function for drying the human local part after washing, A room heating function for heating the toilet space when cold is provided, and each operation is performed by a remote controller 16 (hereinafter abbreviated as a remote controller) attached to the wall surface. The toilet seat 14 is provided with a seating sensor 17 as detection means for detecting the presence of the user. The seating sensor 17 detects whether the user is seated on the toilet seat 14 using infrared rays. As a method, a method for detecting the capacitance of the toilet seat, and further, infrared rays and ultrasonic waves are used. Detecting the user's seating on the toilet seat using a method, etc., or detecting the user entering or leaving the toilet room, and detecting the presence of the user in conjunction with the toilet lighting, etc. Application as a means is possible.
[0020]
Next, FIG. 2 shows an overview of the remote controller 16. In FIG. 2, the remote control 16 has a sterilization switch 20 for instructing vapor sterilization of the buttocks nozzle 18 and the bidet nozzle 19 which are human body washing nozzles, a butt switch 21 as a starting means by which the user can input the start of human body washing, A bidet switch 22 mainly used by women during small periods or menstruation, a stop switch 23 as a stop means for inputting stoppage of washing, a drying switch 24 and a deodorizing switch 25 for turning on and off a drying function and a deodorizing function, A level switch 26 for adjusting the level of each function is provided. And the operation signal which a user performs is sent to the main body 12 of a warm water washing toilet seat by an infrared signal, and it has the structure which can operate the main body 12 by radio | wireless.
[0021]
FIG. 3 is a block diagram showing a water circuit of the sanitary washing device 10 in this embodiment, FIGS. 4, 5 and 6 are block diagrams showing the switching valve, and FIGS. 7 and 8 show a steam generation unit and a human body washing nozzle. It is a principal part sectional view shown. In the figure, first, a branch flow from a water pipe 27 that is a water source is connected to a water supply pipe 28 that leads to a switching valve 33 in the main body 12 of the sanitary washing device 10. On the water supply pipe 28, there are provided an electromagnetic valve 29 as water stop means, a flow rate sensor 30 for measuring the flow rate of cleaning water, a hot water unit 31 for producing hot water, a temperature sensor 32 for detecting the temperature of hot water, and the like.
[0022]
The hot water unit 31 is composed of a plate-shaped ceramic heater and meandering internal flow paths provided on both sides thereof, and the normal temperature washing water supplied to the heat exchange inlet flows through the meandering internal flow path while the ceramic heater It is a mechanism in which it is heated to an appropriate temperature during the period from receiving heat to the outlet of the hot water unit 31. For this reason, it is possible to supply hot water at an appropriate temperature continuously when necessary, and there is no need to keep the hot water warm and ready for use. In this embodiment, the heater is a plate-shaped ceramic heater with excellent heat density.
It is needless to say that various heater applications such as a sheathed heater, a mica heater, and a print heater can be considered.
[0023]
Further, a switching valve 33 is connected to the downstream side via a hot water pipe 34. The switching valve 33 is connected to the inlet channel 35, the first outlet channel 36, and the second outlet to which the hot water pipe 34 is connected. The flow path 37 and the third outlet flow path 38 are selectively communicated by a motor 39. In addition, the switching valve 33 used in this embodiment can be used in addition to switching the water channel by changing the communication area of the inlet channel 35, the first outlet channel 36, the second outlet channel 37, and the third outlet channel 38. The flow rate of the cleaning water flowing through the selected flow path is variable.
[0024]
On the downstream side of the switching valve 33, a butt nozzle 18 that is one of the human body washing nozzles is provided in the first outlet flow path 36, and a bidet nozzle 19 that is another human body washing nozzle is provided in the second outlet flow path 37. Connected to the three outlet channel 38 are a steam generation unit 42 for converting hot water into high-temperature steam and a steam discharge port 47 for sterilizing the outer surfaces of the human body washing nozzles 18 and 19 with the steam. In addition, in the butt nozzle 18 and the bidet nozzle 19, as a matter of course, the hot water flowing through the hot water unit 31 and the switching valve 33 is directed toward the anus or the female part as wash water for washing the human body. Discharge ports 44 and 45 for jetting are provided.
[0025]
Further, as shown in FIGS. 7 and 8, a steam discharge port 47 is provided at the tip of the steam generation unit 42 downstream of the heater 46. The discharge port 44 of the butt nozzle 18 and the discharge port 45 of the bidet nozzle 19 are configured to eject cleaning water toward a portion to be cleaned of the human body, that is, an anus or a local part of a woman when using human cleaning. When the human body is not cleaned from the vapor discharge port 47 as shown in FIG. 7, the discharge port of the butt nozzle 18 and the bidet nozzle 19 which are human body cleaning nozzles is pressed by pressing the sterilization switch 20 of the remote controller 16. High temperature steam is discharged to the outer surface of 44 and 45, and it is the structure by which steam sterilization is carried out. Hot water obtained by steam sterilization of the human body washing nozzles 18 and 19 is configured to flow down into the toilet bowl. Note that the position and orientation of the steam outlet 47 are determined so that high-temperature steam from the steam outlet 47 does not hit the human body even if the above-mentioned steam sterilization is performed in a state where a person is seated on the toilet seat. .
[0026]
The butt nozzle 18 and the bidet nozzle 19 are driven by the configuration of the cylindrical piston portion 48, the cylindrical cylinder portion 49, and the spring 50. That is, when the cleaning water is sent to the first outlet channel 36 by the operation of the switching valve 33 shown in FIGS. 3 and 4, the water pressure acts on the cylindrical piston portion 48 and overcomes the force of the spring 50. As shown in FIG. 8, the butt nozzle 18 is pushed out, and hot water is ejected from the discharge port 44.
When the switching valve 33 is operated by the motor 39 and the first outlet channel 36 is closed, the cylindrical piston portion 48 is pushed back by the force of the spring 50 as shown in FIG. The position of the discharge port 44 can be changed during standby and in use so as to be housed in the main body 12. Similarly, the bidet nozzle 19 can change the position of the discharge port 45 by opening and closing the second outlet channel 37 with the switching valve 33.
[0027]
3 and FIG. 4, the butt nozzle 18 and the bidet nozzle 19 are put in and out by water pressure. For example, a rack and a pinion gear (not shown) are engaged, and the pinion gear is driven by a motor. Depending on the configuration, it may be taken in and out.
[0028]
Further, when the butt nozzle 18 and the bidet nozzle 19 are in a standby state (stored state) as shown in FIG. 7, the steam generating unit 42 is disposed on the upper surface of the discharge port 44 of the butt nozzle 18 and the discharge port 45 of the bidet nozzle 19. The steam discharge port 47 is configured to cover it. As described above, the butt nozzle 18 and the bidet nozzle 19 which are human body washing nozzles are normally housed in the main body 12 of the sanitary washing apparatus and protrude from the main body of the sanitary washing apparatus when washing the human body, Butt noz that is a human body washing nozzle so that the steam from the steam outlet 47 does not hit the human body sometimes
The operation of steam sterilization is prohibited except when the barrel 18 and the bidet nozzle 19 are housed in the main body 12 of the sanitary washing device.
[0029]
Next, the switching valve 33 will be described in detail with reference to FIGS. 4, 5, and 6. The switching valve 33 includes a housing 51, a valve body 52 that is rotatably inserted into the housing 51, and a motor 39 that rotationally drives the valve body 52. First, the housing 51 includes an inlet channel 35, a first outlet channel 36, a second outlet channel 37, and a third outlet channel 38, and the first outlet channel 36 and the second outlet channel 37 are configured. Are opposed to each other at the cross-section AA, and the third outlet channel 38 is provided at a different cross-sectional position from the two outlet channels as shown in the cross-section BB. Next, the valve body 52 is provided with an internal flow path 53 that is always in communication with the inlet flow path 35 when inserted into the housing 51, and the first valve branches off from the internal flow path 53. A body outlet 54 and a second valve body outlet 55 are configured. The first valve element outlet 54 is positioned corresponding to the first outlet channel 36 and the second outlet channel 37 of the housing 51, and the second valve element outlet 55 is positioned corresponding to the third outlet channel 38 of the housing 51. The degree of communication between the inlet channel 35, the first outlet channel 36, the second outlet channel 37, and the third outlet channel 38 can be varied depending on the rotation angle of the valve body 52. . Note that an O-ring 56 is provided as a seal member to prevent internal leakage or external leakage with respect to each flow path. However, in order to reduce the load on the motor, the X-ring or V-packing is used. It is effective to use a special O-ring. Further, the motor 39 is a stepping motor with a built-in reduction gear that can be accurately positioned by open control, and the output shaft thereof is attached to the valve body 52. In this embodiment, a stepping motor is used as the motor 39. However, as long as the positioning accuracy can be ensured, a brush-type general-purpose DC motor can be used, and various actuators such as a rotary solenoid can be used. Needless to say. Furthermore, in this embodiment, a rotary flow path switching valve is used, but a linear motion type or diaphragm type, or a disk type valve body that switches multiple flow paths can be easily applied. Is possible.
[0030]
In the above configuration, the human body cleaning nozzles 18 and 19 having the discharge ports 44 and 45 for discharging cleaning water for cleaning the human body, and at least the outer surfaces of the discharge ports 44 and 45 of the human body cleaning nozzles 18 and 19 are provided. With the configuration of the sanitary washing device 10 having the steam sterilization means 47 for sterilizing the steam, the outer surfaces of the discharge ports 44 and 45 of the human body cleaning nozzles 18 and 19 are steam sterilized by the steam discharge port 47 which is the steam sterilization means. Therefore, when the sanitary washing apparatus 10 is used, the sanitary washing apparatus 10 can be kept clean by sterilizing with steam, so that a person with a disorder can use the sanitary washing apparatus with peace of mind.
[0031]
Moreover, high temperature hot water is discharged from the steam discharge port 47 which is a steam sterilization means when the user presses the sterilization switch 20 of the remote controller 16, the steam of the controller 57 incorporated in the sanitary washing device 10. The sterilization control means 58 receives the steam sterilization mode signal and controls the operation of steam sterilization. That is, when the user presses the sterilization switch 20, the steam sterilization control means 58 drives the motor 39 of the switching valve 33 to connect the inlet flow path 35 and the third outlet flow path 38, and the hot water from the hot water unit 31. Is supplied to the steam generation unit 42, and after the steam generation unit 42 becomes high-temperature steam, the steam discharge unit 47 functions to sterilize the outer surfaces of the discharge ports 44 and 45 of the human body washing nozzles 18 and 19 from the steam. Control to do. As described above, since the steam sterilization control means 58 that receives the steam sterilization mode signal and controls the operation of the steam sterilization is provided, the discharge port for discharging the cleaning water for cleaning the human body without the troublesome operation The human body cleaning nozzles 18 and 19 having 44 and 45 and at least the outer surfaces of the discharge ports 44 and 45 of the human body cleaning nozzles 18 and 19 are sterilized with steam so that no contamination by fungi or fungi occurs. Can keep.
[0032]
In the embodiment, the sterilization switch 20 for transmitting the steam sterilization mode signal has been described as being provided in the remote controller 16 of the sanitary washing device 10, but is provided in the main body 12 of the sanitary washing device 10. Needless to say. Transmitting the steam sterilization mode signal in this way
The sterilization switch 20 is provided in the main body 12 or the remote control 16 of the sanitary washing device 10 so that the vapor sterilization can be performed simply and easily by simply pressing the sterilization switch 20.
[0033]
Further, the steam sterilization means 58 is configured to sterilize the human body washing nozzles 18 and 19 using high-temperature steam, so that contamination by fungi and fungi does not occur hygienically due to the sterilization action by high-temperature steam. Can keep.
[0034]
In addition, the temperature of the vapor | steam which carries out the vapor | steam disinfection was 100 degreeC. Because, as a result of the investigation, there are examples of beer sterilization of 55-60 ° C, sake sterilization of 55-60 ° C, miso sterilization of around 60 ° C, etc., and the killing temperature of pathogenic bacteria is Shigella Salmonella typhi, Salmonella paratyphi, Escherichia coli, Vibrio parahaemolyticus, Brucella, Streptococcus, Staphylococcus, etc. are all said to be 60 ° C. The higher the temperature, the greater the high temperature sterilization effect. However, by setting the vapor temperature for vapor sterilization to 90 ° C to 110 ° C, failure and damage of the device including the heat resistance temperature of each part constituting the sanitary washing device 10 It is possible to achieve both prevention of contamination by fungi and fungi effectively and without causing them to occur.
[0035]
Steam provided in a separate branch path on the secondary side of the hot water unit and the switching valve in the course of supplying the cleaning water for cleaning the human body to the human body cleaning nozzle and not connected to the human body cleaning nozzle. It is the structure provided with the steam discharge port which discharges the vapor | steam from the generation | occurrence | production unit and the said steam generation unit to the outer surface of the said discharge port of the said human body washing nozzle. With this configuration, the steam generation unit is provided in a separate branch path that does not communicate with the human body cleaning nozzle, so that the steam is not discharged from the human body cleaning nozzle and hits the human body. Can be fungus. Further, the material constituting the path for supplying the washing water to the human body washing nozzle, the hot water unit in the middle, and the constituting material of the switching valve do not need to be a special heat resistant material.
[0036]
Further, the steam sterilization means 58 controls the steam flow rate through the steam generation unit 42 to a predetermined flow rate during steam sterilization. That is, the flow rate is controlled by setting the degree of communication opening between the inlet passage 35 and the third outlet passage 38 of the switching valve 33 to a predetermined amount. The flow signal can be obtained from the flow sensor 30. By controlling the flow rate of hot water supplied to the steam generation unit to a predetermined flow rate, the amount of steam generation is stabilized, a stable sterilization effect can be obtained, and steam can be prevented from reaching the human body, which is safe and secure. In addition, the heat input required to convert the hot water controlled at a constant temperature of, for example, 40 ° C. by the hot water unit 31 into steam at a constant temperature of, for example, 100 ° C. by the steam generation unit 42 is theoretically determined by the flow rate of the steam. Therefore, the temperature sensor of the steam generation unit 42 can be omitted by adopting a configuration in which the steam flow rate through the steam generation unit 42 is controlled to a predetermined flow rate. Moreover, by controlling to a small predetermined flow rate, the amount of heat required for heating by the heater 46 can be reduced, and an energy saving effect can be obtained in combination with the safety described above.
[0037]
The heater 46 of the steam generation unit 42 is a self-temperature control heater. With this configuration, the electric input is automatically controlled by the self-temperature control heater 46 itself so as to obtain a constant steam temperature of, for example, 100 ° C. without attaching a temperature sensor or the like to the steam generation unit 42. For this reason, while being able to make the steam generation unit 42 compact, the temperature of steam is substantially constant and the sterilization effect can be stabilized, so that the user can use it with peace of mind. However, the heater 46 of the steam generation unit 42 does not necessarily have to be a self-temperature control heater. Even if it is a general ceramic heater or a sheathed heater, if the temperature control can be safely performed, the steam sterilization effect can be obtained. It goes without saying that there is no problem.
[0038]
Further, the human body washing nozzles 18 and 19 are normally housed in the main body 12 of the sanitary washing device 10 and protrude from the main body 12 of the sanitary washing device 10 when washing the human body. In order to prevent the steam from coming into contact with the human body, the operation of steam sterilization is prohibited except when the human body washing nozzles 18 and 19 are stored in the main body 12 of the sanitary washing apparatus 10. That is, when the user is washing the human body with the human body washing nozzles 18 and 19, even if the operation button (sanitization switch 20) for instructing the vapor sterilization of the remote controller 16 is erroneously pressed, the controller 57 does not perform the vapor sterilization. It works so as not to drive. That is, the signal of the sterilization switch 20 can be received only when the human body washing nozzles 18 and 19 are housed in the main body 12 of the sanitary washing device 10. With this configuration, the user can use the device without worrying about burns.
[0039]
Also, there are a plurality of human body washing nozzles such as the butt nozzle 18 and the bidet nozzle 19, and the plurality of human body washing nozzles 18, 19 are simultaneously vapor sterilized with steam from the vapor discharge port 47 during vapor sterilization. Even when any of the human body cleaning nozzles is used after steam sterilization, the human body cleaning nozzle that has been sterilized by steam is used, so that the sterilized and clean state can be safely washed.
[0040]
Further, the human body washing nozzles 18 and 19 are formed by forming a portion where the temperature of the steam having a high temperature of 100 ° C. is made of a heat-resistant material that can sufficiently withstand the high temperature, thereby eliminating the human body washing nozzle 18, There is no worry about deformation or damage of 19 and it can be used safely for a long time.
[0041]
Further, the human body washing nozzles 18 and 19 are formed of stainless steel in the portion where the temperature of the steam having a high temperature of 100 ° C. acts to sufficiently withstand the high temperature, and the cleanliness is high. The effect can be further enhanced.
[0042]
Further, the human body washing nozzles 18 and 19 can be resin-molded even if the flow path and the outer shape of the human body washing nozzles 18 and 19 are three-dimensional curved surfaces by making the resin surface covered with metal. By forming a metal film on at least a part of the surface by, for example, plating a metal on the resin surface, the steam sterilization effect on the surface can be further enhanced.
[0043]
Moreover, since the surface of the human body washing nozzles 18 and 19 is subjected to water repellent treatment, it is possible to prevent the scale scale from adhering to the human body washing nozzles 18 and 19, thereby further enhancing the effect of steam sterilization. Can do.
[0044]
Further, the steam sterilization means 58 is configured not only when the sterilization switch 20 of the remote controller 16 is pressed but also to automatically sterilize steam at predetermined time intervals, so that the steam sterilization means 58 can be used for a long period or a long period of time. Even when the sanitary washing apparatus 10 is not used, the human body washing nozzles 18 and 19 are automatically sterilized with steam every predetermined time interval, so that contamination by fungi and fungi does not occur, and it is always hygienic and clean. A sanitary washing device that can be maintained can be provided.
[0045]
【The invention's effect】
As described above, according to the present invention, the human body washing nozzle that discharges washing water for washing the human body and the vapor sterilization means that vapor sterilizes the human body washing nozzle can be easily and easily kept clean. Therefore, it is possible to provide a safe sanitary washing apparatus that can be used with peace of mind by people with tidyness.
[Brief description of the drawings]
FIG. 1 is an external perspective view of a sanitary washing device according to Embodiment 1 of the present invention.
FIG. 2 is a plan view of a remote controller of the sanitary washing device according to the first embodiment.
FIG. 3 is a block diagram of a water circuit configuration of the sanitary washing device according to the first embodiment.
FIG. 4 is a front sectional view of the switching valve of the sanitary washing device according to the first embodiment.
FIG. 5 is a plan sectional view of the switching valve of the sanitary washing device according to the first embodiment.
6 is a plan sectional view of the switching valve of the sanitary washing device according to Embodiment 1. FIG.
7 is a partial side cross-sectional view of the sanitary washing device in Example 1. FIG.
8 is a partial side cross-sectional view of the sanitary washing device in Example 1. FIG.
FIG. 9 is an external perspective view of the steam generation unit of the sanitary washing device according to the first embodiment.
FIG. 10 is a side sectional view of a conventional sanitary washing device.
[Explanation of symbols]
10 Sanitary washing device
12 Main body of sanitary washing device
18 Human body cleaning nozzle (butt nozzle)
19 Human body washing nozzle (bidet nozzle)
20 Disinfection switch
30 Flow sensor
31 Hot water unit
33 selector valve
42 Steam generating unit
47 High temperature disinfection means (steam outlet)
57 Controller
58 Steam sterilization control means

Claims (9)

A human body cleaning nozzle having a discharge port for discharging cleaning water for cleaning the human body, steam sterilization means for steam sterilizing the outer surface of the human body cleaning nozzle, and water discharged from the steam generated by the steam sterilization means A steam discharge port, a warm water unit that warms wash water for washing the human body, and a path through which the warm water generated by the warm water unit passes is switched to a path connected to the human body cleaning nozzle and a path connected to the steam discharge port The steam sterilization means is provided in a branch path leading to the steam outlet switched by the switching valve, and the steam sterilization means has a temperature higher than the temperature of the washing water heated by the hot water unit. A sanitary washing device that generates steam by heating.   The sanitary washing apparatus according to claim 1, wherein the steam sterilization means includes steam sterilization control means for receiving a steam sterilization mode signal and controlling an operation of steam sterilization.   The sanitary washing apparatus according to claim 2, wherein a sanitization switch for transmitting a steam sterilization mode signal is provided in a main body or a remote control of the sanitary washing apparatus.   The sanitary washing apparatus according to any one of claims 1 to 3, wherein steam from the steam generation unit is discharged to an outer surface of the discharge port of the human body cleaning nozzle.   The sanitary washing device according to claim 4, wherein the flow rate of hot water supplied to the steam generation unit during steam sterilization is controlled to a predetermined flow rate.   The human body washing nozzle is normally housed in the main body of the sanitary washing device and protrudes from the main body of the sanitary washing device when washing the human body, so that the vapor from the vapor outlet does not hit the human body during vapor sterilization. The sanitary washing device according to claim 4 or 5, wherein the operation of steam sterilization is prohibited except when the human body washing nozzle is housed in the main body of the sanitary washing device.   The sanitary washing device according to any one of claims 4 to 6, comprising a plurality of human body cleaning nozzles and a steam discharge port for steam sterilization of the plurality of human body cleaning nozzles at the same time during steam sterilization.   The sanitary washing apparatus according to any one of claims 4 to 7, wherein at least a part of the human body washing nozzle is made of stainless steel.   The sanitary washing apparatus according to any one of claims 1 to 8, wherein the steam sterilization means automatically performs steam sterilization at predetermined time intervals.

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