JP5446747B2 - Sanitary washing device - Google Patents

Description

  The present invention relates to a sanitary washing device provided with a drying device.

  Conventionally, this type of sanitary washing device has a washing nozzle that cleans the user's local area in the center of the body of the sanitary washing device installed on the toilet bowl, and a local area wet with washing water on the side of the washing nozzle is dried with warm air. In order to control the direction in which the hot air is blown out from the diagonally rearward direction of the user seated on the toilet seat, Fins are disposed on the airflow, and the air direction is controlled by flowing warm air along the fins. Moreover, the blowing direction of warm air is changed by changing the angle of a fin (for example, refer patent document 1).

  FIG. 8 shows a conventional sanitary washing device described in Patent Document 1. As shown in FIG. As shown in FIG. 8, two cleaning nozzles 2 are installed in the central portion of the main body 1 of the sanitary cleaning apparatus, and a drying device 3 is installed on the side of the cleaning nozzle 2. The drying device 3 includes a fan casing 4, a fan motor 5 composed of a sirocco fan, an electric heater (not shown), a plurality of fins 6 disposed in a ventilation passage near the air outlet of the fan casing 4, The driving motor 7 is configured to change the angle. The driving motor 7 changes the angle of the fins 6 to change the direction of blowing warm air.

JP-A-8-184088

  However, in the conventional configuration, since a plurality of fins 6 are installed in the ventilation path of the fan casing 4, the fins 6 have a large resistance in the ventilation path, so that the wind power of the warm air is reduced and the drying capacity is reduced. It is to reduce.

  Moreover, the fin 6 is installed in the blower outlet, and the warm air blown out from the blower outlet is blown linearly following the direction of the fin 6 and goes straight in the direction of the anus or local part to be dried. It will be. However, since the anus and local area to be dried are located in the recesses on the buttocks, the warm air that is blown off from the back is blocked by the protrusions on the buttocks and is difficult to hit directly, making it difficult to obtain sufficient drying performance. There was room.

  The present invention solves the above-mentioned conventional problems, reduces the resistance of the ventilation path, suppresses the decrease in the wind power of the warm air, and along the concave portion of the buttocks by flowing in a curved line after the warm air blows out. An object of the present invention is to provide a sanitary washing device with improved drying performance by making it easy to be directly ventilated against an object to be dried.

In order to solve the above-described conventional problems, the sanitary washing device of the present invention is provided with a main body installed behind the upper surface of the toilet bowl, a toilet seat pivotally supported on the front surface of the main body, and capable of moving forward and backward in the approximate center of the main body. A cleaning nozzle that ejects cleaning water toward a local part of a user seated on the toilet seat, and a drying device provided on a side of the cleaning nozzle of the main body, the drying device including a casing that forms an air passage therein The casing includes a fan motor, a heater unit, and a wind direction changing column, and the casing has an air inlet opening in the main body, a jet outlet in the lower front of the main body, and the fan motor, heater unit, and air direction changing column from the air inlet side. The casing is formed sequentially, and the casing forms a curved portion from the side of the main body toward the center from the side of the main body at least at the air outlet side from the heater unit installation position, and the wind direction changing column crosses the air passage of the curved portion. Multiple at intervals like Are installed, a plurality of said air direction changing pillars are those at least one is the thickness is different.

  As a result, the warm air blown by the fan motor and heated by the heater unit forms a curvilinear flow at the curved portion of the air passage, and when the curvilinear flow hits the wind direction changing column, Karman vortex is generated downstream of the wind direction changing column. As a result, a curved component in the reverse direction is generated, so that the warm air is changed in the forward direction from the upstream side on the downstream side of the wind direction changing column, and the vortex component is added to the warm air itself. Thus, the wind direction changing component is maintained even after ejected from the ejection port. Furthermore, the Karman vortex makes it possible to equalize the warm air temperature.

In this way, the wind direction can be changed by a slight resistance of the wind direction changing column, and the hot air after jetting easily flows along the recess of the buttocks, and further, there is no temperature unevenness of the hot air temperature, so the drying performance Can be improved. A plurality of wind direction change pillars are installed at intervals so as to cross the wind path of the curved portion, and at least one of the plurality of wind direction change pillars is free to change the wind direction by having a different thickness. It is possible to improve the temperature, and in particular, it is possible to control the width of the hot air ejection.

  The sanitary washing device of the present invention can improve the drying performance of the drying device.

The perspective view which shows the external appearance of the state which installed the sanitary washing apparatus in Embodiment 1 of this invention on the toilet bowl. The top view of the state which removed the cover of the main body of the sanitary washing apparatus in Embodiment 1 of this invention The perspective view of the external appearance of the drying apparatus in Embodiment 1 of this invention Sectional drawing which looked at the drying apparatus in Embodiment 1 of this invention from the side The top view which shows the inside of the drying apparatus in Embodiment 1 of this invention The schematic diagram which shows the flow of the warm air near the wind direction change pillar in Embodiment 1 of this invention The schematic diagram which shows the flow of the warm air of the sanitary washing apparatus in Embodiment 1 of this invention. Plan view of a conventional sanitary washing device

A first invention is a main body installed behind the upper surface of a toilet, a toilet seat pivotally supported on the front surface of the main body, and a local part of a user seated on the toilet seat provided to be able to move forward and backward substantially in the center A cleaning nozzle that ejects cleaning water toward the surface, and a drying device provided on a side of the cleaning nozzle of the main body, the drying device including a casing that forms an air passage therein, a fan motor, and a heater unit. A wind direction changing column having a substantially circular cross section, and the casing opens an intake port in the main body, opens a jet port at a lower front surface of the main body, and from the intake port side, the fan motor, The heater unit and the wind direction changing column are sequentially arranged, and the casing forms a curved portion that extends from the side of the main body to the center in at least the air passage on the jet outlet side from the heater unit installation position. , The wind direction change At intervals so as to cross the air passage of the curved portion is a plurality installed, a plurality of said air direction changing pillars, by at least one is the thickness is different, is blown by the fan motor, the heater The warm air heated by the unit forms a curvilinear flow at the curved part of the air passage, and when the curvilinear flow hits the wind direction changing column having a substantially circular cross section, a Karman vortex is generated downstream of the wind direction changing column. Since the curved component of the direction is generated, the warm air is blown out from the jet outlet by changing the wind direction downstream of the wind direction changing column in the forward direction from the upstream side and adding a vortex component to the warm air itself. After that, it is possible to maintain the wind direction changing component, and the Karman vortex makes it possible to equalize the warm air temperature, and the wind direction can be changed by the slight resistance of the substantially circular wind direction changing column. Warm air after the tends to flow along the recess of the buttocks, for further temperature unevenness of the hot air temperature is eliminated, thereby improving the drying performance. In addition, a plurality of wind direction change columns are installed at intervals so as to cross the wind path of the curved portion, and at least one of the plurality of wind direction change columns has a different thickness, thereby changing the wind direction. It is possible to improve the degree of freedom, and in particular, it is possible to control the width of the hot air ejection.

In the second invention, in particular, in the first invention, since the wind direction changing column is integrally formed with the casing, the accuracy of the positional relationship between the curved portion of the air passage and the wind direction changing column can be improved. In addition, it is possible to reduce the variation in the direction in which the hot air is ejected, and also to reduce the manufacturing effort.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 shows a perspective view of the appearance of the sanitary washing apparatus according to the present embodiment installed on a toilet, FIG. 2 shows a plan view of the sanitary washing apparatus with its cover removed, and FIG. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an external appearance of a drying device according to Embodiment 1 of the invention.

<1> Configuration of Sanitary Washing Device As shown in FIG. 1, the sanitary washing device 100 includes a main body 200, a toilet lid 300, and a toilet seat 400, and the main body 200, the toilet lid 300, and the toilet seat 400 are configured integrally. It is installed on the top surface.

  A toilet lid 300 and a toilet seat 400 are attached to the main body 200 via a toilet seat toilet lid rotating mechanism (not shown) so as to be opened and closed. In the state where the toilet lid 300 is opened as shown in FIG. 1, the toilet lid 300 stands so as to be positioned at the rearmost part of the sanitary washing device 100. When the toilet lid 300 is closed, the upper surface of the toilet seat 400 is concealed. The toilet seat 400 has a built-in toilet seat heater (not shown) and heats the seating surface of the toilet seat to a comfortable temperature.

  In the present embodiment, the arrangement of each element will be described with the installation side of the main body 200 of the sanitary washing device 100 as the rear and the installation side of the toilet seat 400 as the front.

  As shown in FIG. 1, a protrusion 201 is provided on the side of the main body 200, and an operation unit 203 including a plurality of operation switches 202 is provided on the upper surface of the protrusion 201. A seating sensor 204 is installed at the front corner of the main body 200. The seating sensor 204 is a reflective infrared sensor, and detects a user seated on the toilet seat 400 by emitting infrared light from the sensor and detecting infrared light reflected by the human body.

  FIG. 2 shows a state in which the cover of the main body 200 is removed. Inside the main body 200, a cleaning nozzle unit 103 is installed at the center of the main body 200, and on one side of the main body 200. The cleaning water supply mechanism 101 and the heat exchanger 102 are installed. In addition, a drying device 700, a deodorizing device 800, a control unit 900, and the like are installed on the other side of the main body 200.

  The washing water supply mechanism 101 and the heat exchanger 102 are connected to the washing nozzle unit 103, and the washing water supplied from the water pipe is heated to the washing nozzle unit 103 by supplying hot water heated by the heat exchanger 102. The hot water is sprayed from 103 to the user's local area to wash the user's local area.

  The cleaning nozzle unit 103 protrudes from the main body 200 and a cleaning nozzle 104 having a buttocks cleaning nozzle section for cleaning the buttocks and a bidet cleaning nozzle section for cleaning a female local area, a storage position in which the cleaning nozzle is accommodated in the main body 200, and the main body 200. A driving means (not shown) for moving back and forth between the cleaning position for performing the cleaning operation and a switching valve (not shown) for switching and supplying the cleaning water from the heat exchanger 102 to the cleaning nozzle are integrated. It has been incorporated. Therefore, the front end portion (front) of the cleaning nozzle unit 103 is narrow, but the rear portion width is wide. The cleaning nozzle unit 103 is arranged in the center of the main body 200 in order to accurately perform the local cleaning of the user.

  The drying device 700 is installed in the vicinity of the cleaning nozzle unit 103. The spout 706 of the drying device 700 is preferably arranged in the center of the main body 200 as much as possible in order to effectively dry the user's local area, similarly to the cleaning nozzle unit 103, and corresponds to the width of the cleaning nozzle unit 103. And the shape which curved the front of the casing toward the center is comprised.

  A controller 900 is installed behind the drying device 700, and a deodorizing device 800 is installed on the side. The deodorizing device 800 is provided with a suction port 801 curved toward the center of the main body 200 in order to suck the odor in the toilet 600.

  The control unit 900 controls the operation of each unit of the sanitary washing device 100 based on signals transmitted from the operation switch 202 and the seating sensor 204 that operate each function of the sanitary washing device 100.

<2> Configuration of Drying Device FIG. 3 is a perspective view showing the appearance of the drying device in the first embodiment, and FIG. 4 is a cross-sectional view seen from the side of the drying device in the present embodiment. FIG. 6 is a plan view showing the internal structure of the drying device, FIG. 6 is a schematic diagram showing the flow of hot air near the wind direction changing column, and FIG. 7 shows the flow of hot air in the sanitary washing device in the present embodiment. It is a schematic diagram.

  As shown in FIGS. 3, 4, and 5, the drying apparatus 700 mainly includes a casing 701 that forms an air passage therein, a fan motor 702, a heater unit 703, a wind direction changing column 704, and a drying shutter 708. It is comprised as a simple structural member.

  A casing 701 is formed by joining an upper case 701a and a lower case 701b molded with a flame-retardant resin vertically to form a tunnel-shaped cavity, and a substantially square air inlet 705 is opened at the rear end. The front end has a substantially rectangular nozzle 706 opened. The intake port 705 of the casing 701 is disposed in the main body 200 of the sanitary washing device 100, and the jet port 706 is disposed in the lower front portion of the main body 200.

  As shown in FIGS. 3 and 4, the spray outlet 706 of the drying device 700 is provided with a drying shutter 708 that can be freely opened and closed. When the drying device 700 is not used, the drying shutter 708 is closed and used during defecation. It is configured such that filth and washing water do not directly reach the jet outlet 706, and is configured to be opened by wind pressure when the drying apparatus 700 is used. Further, the drying shutter 708 is configured to be detachable so that cleaning can be performed when dirt is attached.

  As shown in the figure, a fan motor 702, a heater unit 703, and a wind direction changing column 704 are sequentially arranged inside the casing 701 from the air inlet 705 side. The air passage formed by the casing 701 is formed such that the cross-sectional area is gradually reduced from the installation position of the fan motor 702 to the jet outlet 706 side.

  As shown in FIG. 4, the ejection port 706 side from the installation position of the fan motor 702 is inclined downward to form a substantially horizontal air path in the immediate vicinity of the ejection port 706. Further, as shown in FIG. 5, in a plan view, the jet outlet 706 side from the installation position of the heater unit 703 forms a curved portion 707 that is curved from the side of the main body 200 toward the center. Reference numeral 704 denotes a bending portion 707.

  An axial fan motor 702 is disposed in the vicinity of the air inlet 705 of the casing 701. The fan motor 702 is horizontally held between the upper case 701a and the lower case 701b. Both the upper case 701a and the lower case 701b are bent downward on the jet outlet 706 side from the installation position of the fan motor 702. In particular, the upper case 701a is bent larger than the lower case 701b. The bottom surface of the installation position of the fan motor 702 of the lower case 701b is configured to be located above the upper end of the jet outlet 706.

  A heater unit 703 is installed between the bent upper case 701a and lower case 701b. The heater unit 703 has a larger opening area on the fan motor 702 side than on the jet outlet 706 side.

  On the curved portion 707 of the lower case 701b, four wind direction changing columns 704 having a diameter of about 2 mm are erected in an integrated manner in the vertical direction at equal intervals of about 6 mm. In addition, the four air direction changing columns 704 form an angle of about 30 degrees with respect to the ejection port 706 so that the central side near the cleaning nozzle 103 is closer to the heater unit 703, and the air direction changing columns 704 are in a straight line. They are arranged side by side.

  The heater unit 703 includes a heater wire (not shown) of about 400 W that is a heating means, a thermal fuse 703a that operates at 110 ° C., and a thermostat that operates at 86 ° C. The outer shell is covered with a cover mica 703c. It has been broken.

  A heater wire (not shown) formed in a spiral shape is disposed in the vicinity of the outer periphery inside the cover mica 703c, and is located near the fan motor 702 in the center of the spiral of the heater wire (not shown). A thermal fuse 703a is disposed at the rear, and a thermostat 703b is disposed at the front. A heater wire (not shown), the thermal fuse 703a, and the thermostat 703b are electrically connected in series.

  The thermal fuse 703a and the thermostat 703b are overheat prevention means for preventing the internal temperature from rising abnormally. When an abnormal rise occurs due to a failure of the fan motor 702 resulting in a locked state or the like, as a first step, the thermostat 703b, which is a return-type overheat prevention means, operates first to energize the heater. For example, when the thermostat 703b is not activated due to a failure of the thermostat 703b, as a second step, the non-returnable thermal fuse 703a is blown to cut off the energization to the heater wire (not shown), thereby generating smoke. And fire is not generated.

  About the sanitary washing apparatus comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  When the user enters the toilet room and the seating sensor 204 detects the user seated on the toilet seat 400, the operation switch 201 enables the operation of the cleaning function and the drying function.

  When the user performs the cleaning operation with the operation switch 202 after the stool is completed, the cleaning nozzle 104 advances from the main body 200, and the user's local area is cleaned by ejecting the cleaning water. The cleaning nozzle 104 is stored in the main body 200.

  Next, when the user performs a drying operation using the operation switch 202 as an operation unit, the control unit 900 controls the energization to the fan motor 702 and the heater unit 703 of the drying apparatus 700 to start the drying operation. The air sucked from the air inlet 705 by the fan motor 702 is blown to the heater unit 703, and the warm air heated by the heater unit 703 is jetted from the jet outlet 706 toward the user's local area, and the user who gets wet by washing Dry the local area.

  6 and 7 show the flow of hot air and the target position. A curved flow is formed in the curved portion 707 of the air passage, and the Karman vortex is generated downstream of the wind direction changing column 704 when the curved flow hits the wind direction changing column 704. The Karman vortex generates a curved component in the opposite direction in the warm air. The warm air is less curved at the downstream side of the wind direction changing column 704 than the upstream side, and the vortex component is added to the warm air itself. By adding the eddy current component, the wind direction changing component is maintained even after jetting from the jet outlet 706, and the hot air after jetting is at the target position so as to draw a curve opposite to the curve of the curved portion 707. It flows toward.

  When the warm air flows in a reverse curve, it flows from the center behind the seated user toward the front, and the warm air easily flows along the recess in the heel where the user is locally located. Contributes to improving drying performance.

  In the present embodiment, the target position A of the warm air ejected from the ejection port 706 is set such that the distance from the rear end of the toilet seat 400 is about 65 mm to about 25 mm as shown in FIG. This corresponds to the local position when the user is seated on the toilet seat 400.

  As described above, in the present embodiment, the four wind direction changing columns 704 are installed so as to be aligned with the curved portion 707, so that the wind direction can be changed by a slight resistance of the wind direction changing column 704. At the same time, the hot air after jetting while maintaining the curved component is easy to flow along the recess of the buttocks, and further, the temperature unevenness of the hot air temperature is eliminated, so that the drying performance can be improved.

  In the present embodiment, four wind direction changing columns 704 are installed on the curved portion 707. However, the number of installed columns is not limited to four, and even one can exert the effect of changing the wind direction. Therefore, the number and thickness of the wind direction changing columns 704 can be changed at any time.

  In the present embodiment, the four wind direction changing columns 704 are installed with an inclination of about 30 degrees with respect to the jet outlet 706. However, the installation angle is not limited to 30 degrees, and the shape of the toilet seat 400 is not limited. When the target position A is different due to a difference in the other, it is possible to adopt another installation angle. Moreover, when the shape of the casing 701 is different, examination of another installation angle is essential.

  In the present embodiment, the thicknesses of the four wind direction changing columns 704 are all equal to 2 mm in diameter. However, the present invention is not limited to this, and at least one of these diameters may be different. In particular, by increasing the diameter of the wind direction changing column 704 arranged on the most central side of the curved portion 707, the wind direction on the central side is greatly changed. Hot air can be reached with high accuracy.

  In the present embodiment, all the wind direction changing columns 704 are formed integrally with the lower case 701b of the casing 701. However, the present invention is not limited to this, and can be formed integrally with the upper case 701b. It may be formed separately from the casing 701 and installed in the casing 701.

  As described above, since the sanitary washing device according to the present invention can change the wind direction with a slight resistance, it can be applied to other blower applications.

DESCRIPTION OF SYMBOLS 100 Sanitary washing apparatus 104 Cleaning nozzle 200 Main body 400 Toilet seat 600 Toilet bowl 700 Drying apparatus 701 Casing 702 Fan motor 703 Heater unit 704 Air direction change column 705 Intake port 706 Spout 707 Curved part

Claims (2)

A main body installed behind the upper surface of the toilet;
A toilet seat pivotally supported at the front of the main body,
A cleaning nozzle that is provided in a substantially central position of the main body so as to be able to advance and retreat, and jets cleaning water toward a local part of a user seated on the toilet seat;
A drying device provided on a side of the cleaning nozzle of the main body,
The drying apparatus includes a casing that forms an air passage therein, a fan motor, a heater unit, and a wind direction changing column having a substantially circular cross section,
The casing opens an intake port in the main body, and opens a jet outlet at a lower front portion of the main body.
From the air inlet side, the fan motor, the heater unit, and the wind direction changing column are sequentially disposed,
The casing forms a curved portion toward the center from the side of the main body, at least in the air passage on the jet outlet side from the arrangement position of the heater unit,
The sanitary washing apparatus , wherein a plurality of the wind direction changing columns are installed at intervals so as to cross the air path of the curved portion , and at least one of the plurality of wind direction changing columns has a different thickness . The sanitary washing device according to claim 1, wherein the wind direction changing column is formed integrally with the casing.