JPH1025786A - Sanitary flushing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To utilize energy effectively by inhibiting discharge into a stool at the initial stage of the discharge of flush water when the discharge of flush water is directed for a fixed time after the indication of the stop of flush water. SOLUTION: In the control of normal program flushing treatment, residual water treatment, nozzle pre-flushing, main flushing, nozzle post-flushing and nozzle water drainage are carried out successively. When a flow regulating changeover valve 19 is transferred from the start of residual water treatment to the start of pre-flushing at that time, water supply to the nozzle 20 side for flushing of cooled flush water in a connecting piping 9 is throttled gradually while water is drained to a flow path 34 for drainage. A main solenoid valve 15 is opened for a fixed time after nozzle post-flushing at the time of nozzle water drainage, and water in the piping 9 and a nozzle 20 is drained. When a flushing button is depressed during the treatment of nozzle water drainage, residual water treatment is not executed. Accordingly, energy loss can be prevented because heated flush water is not discharged to a stool, and facility can be improved because flush water is discharged instantaneously at the time of re-discharge.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sanitary washing apparatus mainly used for washing an anus and the like after stool use in a toilet.

[0002]

2. Description of the Related Art In most conventional sanitary washing devices, a hot water storage tank and a washing nozzle device are housed in an integral casing, and are installed at the rear of a Western-style toilet. (Hereinafter, it is referred to as an integrated sanitary washing device.) However, in such a form, there is no freedom in installation, and for example, it cannot be installed in a Japanese style toilet. Accordingly, for example, Japanese Patent Application Laid-Open No. Sho 60-1
Japanese Patent No. 44435 discloses a cleaning device in which a cleaning nozzle is arranged to extend freely at a rear portion of a cleaning device main body formed so as to be mountable along an upper edge surface of a Japanese-style toilet excluding a gold hidden portion. A heating device installed separately from the cleaning device main body in a hot water pipe taken out from a part of the main body. A sanitary washing device connected to a water supply device has been proposed.

[0003] Further, among those installed in a Western-style toilet, for example, the one disclosed in Japanese Patent Publication No. 5-40090 is a method in which washing water heating / delivery means installed on the floor and a Western-style toilet and a toilet seat are fixed. There has been proposed a sanitary washing device which is provided with a mounting plate and which is provided separately from the washing water heating / delivery means, and which comprises a connecting pipe connecting them.

[0004] As described above, a sanitary washing device (hereinafter, referred to as a separate type sanitary washing device) in which a hot water storage tank which relatively requires an installation place and a washing nozzle which must be installed near the toilet is separated. If there is a relatively narrow toilet space,
It can be installed in places where conventional integrated sanitary washing devices such as Japanese style toilets cannot be installed. However, on the other hand, there is a disadvantage that the connecting pipe for connecting the hot water storage tank and the cleaning nozzle becomes long. In addition, the connecting pipe is often located at a lower position than the cleaning nozzle, so that hot water easily remains in the connecting pipe, and the remaining water in the connecting pipe becomes cold water at the next use. turn into.

Incidentally, for example, Japanese Patent Publication No. 61-45737
Although it is an integrated sanitary washing device disclosed in Japanese Patent Application Laid-Open Publication No. H11-27300, in the initial stage of flushing water discharge, flushing water is discharged to the toilet side through a flushing nozzle to the part to be cleaned by the user. There has been proposed a sanitary washing device in which cold washing water in a connecting pipe is not discharged. In addition, in this case, in order to perform the water draining operation at a predetermined time after operating the buttocks washing button, when one user operates the buttocks washing button many times, the water in the piping cools down. In spite of the fact that the water has not been drained each time, the heated water is wasted and wasted.
In addition, it is necessary to wait several seconds before water is re-discharged from the cleaning nozzle. On the other hand, as another embodiment of Japanese Patent Publication No. 61-45737, a temperature sensor detects the temperature of water staying in a pipe and performs a water removal operation based on the detected temperature. However, in this case, although the water draining operation can be reliably performed when necessary, a temperature sensor is required, which causes a cost increase.

In a conventional integrated sanitary washing apparatus, when the user stands up, the weight of the user is sensed so that the washing water does not accidentally jump out and wet the clothes and the like of the user. A human body detecting means is provided for determining whether the user is in the toilet or whether the user has finished the toilet.
Therefore, in the integrated sanitary washing device, it is possible to detect the use of the same user a plurality of times by using the signal from the human body detecting means, and to perform the draining operation only at the time of the first operation. It is easy to do. However, even in such a case, if another user uses it in a relatively short time, the above-described problem is caused.

In a separate type sanitary washing device to be attached to a Japanese style toilet or the like, a foot plate for receiving the entire weight of the user is provided in place of the toilet seat of the integrated sanitary washing device, and a human body detecting means is provided in the foot plate. It is necessary to provide. Therefore,
The footboard requires strength and is therefore expensive.

[0008]

SUMMARY OF THE INVENTION The present invention eliminates the draining operation and eliminates the waste of heated water when the same user is used a plurality of times or continuously for a relatively short time. It is another object of the present invention to provide an inexpensive sanitary washing device that can discharge water without waiting for a user.

Furthermore, even in the case where it is difficult to provide a human body detecting means such as a separation type sanitary washing device such as a Japanese style toilet, the draining operation when the same user is used a plurality of times is omitted.
It is an object of the present invention to provide an inexpensive sanitary washing device that can discharge water without wasting heated water and without waiting for a user.

[0010]

Means for Solving the Problems and Their Functions / Effects: A flush water discharging means for discharging flush water to a part to be cleaned by a toilet user, a heating means for heating the flush water, and a flush water by a toilet user. Operating means for instructing discharge / stop of water, and washing water supply means for supplying washing water to the washing water discharging means by operation of the operating means. A sanitary washing apparatus comprising: a control means for discharging flush water into a toilet at an early stage of the flush water discharge start, wherein the control means includes a flush water discharge instruction again within a predetermined time after the flush water stop instruction by the operation means. When the cleaning is performed, the re-discharge prohibiting means that does not discharge the flush water into the toilet at the beginning of the discharge start is provided, so that the heated flush water is not discharged into the toilet before cooling. Therefore, energy loss can be eliminated and energy can be saved. Further, at the time of re-discharge within a predetermined time, the discharge from the flush water discharge means is started immediately, so that the user does not have to wait, so that the usability is good.

[0011] Alternatively, the cleaning device main body is formed so that it can be placed along the upper edge surface of the Japanese style toilet except for the gold hidden portion, and a cleaning nozzle is arranged at the rear portion so as to extend freely, and the cleaning device main body is separated. Heating installed. A controller box with a built-in water supply device, the washing nozzle and heating. In a sanitary washing device comprising a connecting pipe for connecting a water supply device, an operating means for instructing the discharge / stop from the cleaning nozzle, and the connecting pipe when the sanitary washing device is not used during the discharging operation of the operating means Control means for discharging flush water remaining in the toilet into the toilet; and when the flush water discharge instruction is issued again within a predetermined time after the flush water stop instruction by the operating means, the control means discharges the flush water. When the re-emission prohibiting means that does not discharge into the toilet bowl at the beginning of the start is provided, in addition to the above, a foot plate for further providing a human body detecting means can be unnecessary, and an inexpensive separated type sanitary washing device can be provided. Can be provided.

Further, when the operation means is provided in the controller box, the usability is further improved.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In order to further clarify the configuration and operation of the present invention described above, a preferred embodiment of the present invention will be described below. FIG. 1 is an external view of a Japanese-style toilet 1 equipped with a sanitary washing device 5 according to one embodiment of the present invention.

First, the overall configuration of the sanitary washing device 5 shown in FIG. 1 will be described. As shown in the figure, the sanitary washing device 5 extends a washing nozzle 20 at a rear portion of a washing device main body 6 formed so as to be placed along the upper edge surface 4 of the Japanese style toilet 1 excluding the gold hidden portion 3. In addition, a hot water storage tank 17 for heating the cleaning water and discharging at a set temperature is built in,
A controller box 8 having an operation unit 10 for performing various operations is arranged on the upper surface in front of the Japanese style toilet 1, and the controller box 8 and the cleaning device main body 6 are connected by a connection pipe 9.

Next, a description will be given of a water channel configuration from the supply of water with a predetermined water pressure from the water supply system to the injection of the washing water from the washing nozzle 20. FIG. 2 is an explanatory diagram mainly showing a water channel configuration, and FIG. 3 is a schematic configuration diagram showing this together with electric components. The water supply pipe is connected to supply toilet flushing water to a toilet flushing tank (not shown) which is usually provided near the Japanese style toilet 1, but when the sanitary flushing device 5 of the embodiment is attached. Is, as shown in FIG.
A branch fitting 11 is provided in the water supply pipe so that tap water can be introduced into the sanitary washing device 5. The water supply pipe branched by the branch fitting 11 is connected to the controller box 8 via a flexible hose 12 for connection and a water supply adapter 13, and the hot water storage tank 1 in the controller box 8 is connected.
7 is supplied with clean water.

As shown in FIGS. 2 and 3, the sanitary washing device 5 mainly includes a water supply valve unit A, a heat exchange unit B, a flow control switching valve unit C, and a nozzle unit (washing nozzle device) D. Have been. The water supply valve unit A, the heat exchange unit B, and an electronic control unit 30 described later are built in the controller box 8, and the nozzle unit D (washing nozzle device) and the flow control switching valve unit C are installed in the cleaning unit body 6. A water passage is connected between the heat exchange unit B and the flow control switching valve unit C by a resin tube or the like, and the electronic control unit 30, the flow control switching motor 27, the nozzle motor 28, and the like are connected to a signal line and a power line. And are connected by. Further, the resin tube and the like, the signal line and the power line are covered with a decorative case 31 (FIG. 7), and the resin tube and the like, the signal line and the power line are formed by external pressure (for example, stepping on by a user) or water droplets. Protected.
The water supply valve unit A is a unit that receives supply of tap water from the water supply adapter 13 and supplies the tap water to the heat exchange unit B. The heat exchange unit B has a hot water storage tank 17, heats and maintains water supplied from a water supply pipe at an appropriate temperature (40 ° C. in the embodiment), and supplies it to the flow control switching valve unit C. The flow control switching valve unit C adjusts the flow rate of hot water controlled to an appropriate temperature by the heat exchange unit B and supplies hot water to the nozzle unit D (washing nozzle device). The nozzle unit D (cleaning nozzle device) is a unit that jets the supplied hot water from a desired nozzle.

The configuration of the sanitary washing device 5 will be described with reference to FIGS. As shown in the figure, the water supply valve unit A provided at the most upstream side of the water supply pipe in the sanitary washing device 5 operates by receiving supply of tap water. The water supply valve unit A incorporates a pressure reducing valve 14, a main solenoid valve 15, and a safety valve 16 as main components. The water path connecting the pressure reducing valve 14 and the main solenoid valve 15 is called a primary water main flow path. The pressure reducing valve 14 is provided as a pressure regulating valve for protecting the sanitary washing device 5 itself from the pressure of the water source in the primary water main flow path. A main solenoid valve 15 is connected to the secondary side of the pressure reducing valve 14. The secondary flow path of the main solenoid valve 15 is connected to a hot water storage tank 17 included in the heat exchange unit B via a safety valve. The safety valve 16 is provided to protect the hot water storage tank 17 from a temporary increase in the pressure of the primary water main passage, and when the pressure of the primary water main passage temporarily increases, the overflow passage 33 is provided. By discharging the water in the primary side main flow path into the toilet bowl 2 of the toilet through the discharge port 21 provided near the washing nozzle via the, the pressure above a certain pressure is not applied to the hot water storage tank. The main solenoid valve 15 is a water supply means (wash water supply means) for pushing out the wash water stored in the hot water storage tank to the cleaning nozzle device via the connection pipe 9 by applying tap water pressure to the hot water storage tank and supplying the same. Function as

Next, the configuration of the heat exchange unit B which heats the tap water flowing through the water supply valve unit A and supplies it to the flow control switching valve unit C as appropriate temperature water will be described. In the hot water storage tank 17 provided in the heat exchange unit B, a heater 22 (heating means) for heating the stored water is provided as shown in FIGS. The heater 22 is controlled on and off by a temperature control device 29 to heat the stored water to a predetermined temperature (40 ° C. in the embodiment) and maintain the temperature. If the stored hot water flows out,
A decrease in water temperature is detected by the hot water thermistor 25, and the heater 22 is energized to heat the water. The hot water storage tank 17
Inside, a float switch 26 and hot water storage tank 17
Are provided with a bimetal 23 and a temperature fuse 24, respectively. When the amount of water in the hot water storage tank 17 becomes equal to or lower than a predetermined value or when the temperature of the hot water in the hot water storage tank 17 becomes equal to or higher than a predetermined temperature, heating by the heater 22 is performed. Is not performed.

The hot water storage tank 17 is connected to an outflow channel 32 (connecting pipe 9) for allowing appropriate temperature water to flow out.
In the middle of the outflow channel 32 (the connection pipe 9), a vacuum breaker 18 also serving as a check valve is provided at a position higher than the water level of the hot water storage tank 17. Vacuum breaker 1
The valve 8 opens when the pressure of the appropriate temperature water in the hot water storage tank 17 becomes higher than a predetermined value, and flows the appropriate temperature water to the outflow passage 32 (connection pipe 9). When this happens, the valve closes. At this time, air is introduced through an air introduction hole (not shown), and an air gap is formed in the hot water storage tank 17. Thus, the vacuum breaker 18 prevents the backflow of the sewage entering from the washing nozzle. An overflow channel 33 is also connected to the vacuum breaker 18, and water discharged when forming an air gap is discharged through the overflow channel 33 to the discharge port 2.
1 to be discharged.

Next, the flow control switching valve unit C will be described. The hot water heated and heated in the hot water storage tank 17 of the heat exchange unit B flows into the flow control switching valve unit C from the inlet as shown in FIG. FIG. 5 is an exploded perspective view of the flow control switching valve unit C. The flow control switching valve unit C includes a housing 43, a shaft 42 rotated by the flow control switching motor 27, a rotor 40 connected to the shaft 42 and urged by a spring 44, and a stator 41 to which the rotor 40 is pressed by the spring. It is configured.
A stator 4 is provided between the stator 41 and the housing 43.
1. A packing 45 for partitioning the communication hole provided in 1 to communicate with a drain outlet 46 and a nozzle outlet 47, respectively.
Is provided. As shown in FIGS. 4 and 5, the surface of the rotor 40 on the side of the stator 41 is partially cut away to form a hot and cold water passage 48.

Since the rotor 40 is rotated by the flow control switching motor 27 with respect to the fixed stator 41,
When the passage 48 coincides with the drain outlet 46, the flow control valve and the flow path switching valve 19 (hereinafter, referred to as a flow control switching valve).
-Is supplied only to the drain passage 34 formed integrally with the housing 43, and in a state where the passage coincides with the nozzle outlet 47, the flow control switching valve 19 outputs the nozzle passage 3
5 (Fig. 5). The drain outlet 46 and the nozzle outlet 47 formed in the stator 41 are shown in FIG.
As shown in FIG.
8 and the water discharge amount is changed. In addition,! During the period from “to”, the maximum amount of water is supplied to the nozzle flow path 35, and during the period from # to ＄, the amount of water discharged to the nozzle flow path 35 is gradually narrowed and supplied to the drain flow path 34. In the period from # to%, the drainage channel 34
Is supplied with the maximum amount (less than the maximum amount of water supply from the nozzle flow path 35), and in the period of% to &, the amount of water discharged to the drain flow path 34 is gradually reduced. (Water is not supplied to both the drain passage 34 and the nozzle passage 35 during a period until the passage is slightly over. The relationship between the rotation angle and the amount of water discharged during the period from) to * and the period from * to * is different as shown in the figure. Although this amount is large, this period is not used in the present embodiment, and thus, the flow control switching valve 19 functions as a flow rate adjusting means and a flow path switching means.

In this embodiment, the flow control switching valve unit C
Is provided in the main body 6 of the cleaning device. However, when the device is provided in the controller box 8, the pipe from the flow control switching valve 19 to the cleaning nozzle 20 becomes longer, so that the user can adjust the flow rate. Immediately after the adjustment, the water is not immediately discharged at the adjusted set flow rate, so that there is a problem that it is impossible to immediately respond to the user's request, and a problem that the residual water treatment itself cannot be performed.

Nozzle unit D (cleaning nozzle device)
Is composed of a cleaning nozzle 20 and a nozzle motor 28. The cleaning nozzle 20 is for jetting cleaning water toward a local portion, and the cleaning nozzle 20 is advanced from the nozzle motor 28 when cleaning is used, and is retracted when not in use or during nozzle cleaning.

Next, the internal mechanism of the cleaning device main body 6 will be described. FIG. 7 is an exploded perspective view of the cleaning device main body 6.

The cleaning device main body 6 forms an outer shell by an upper case 61 and a lower case 62, and has therein the above-described flow control switching unit C and nozzle unit D (nozzle device for cleaning).
And built-in. The upper case is provided with a nozzle extension 63 through which the cleaning nozzle 20 extends. Also,
A drain port 21 is provided in the lower case 62 so as to face the inside of the toilet bowl 2.
3. The end of the resin tube forming the drain passage 34 is fixed with a clip or the like.

The flow path configuration of the sanitary washing device has been outlined above. The configuration for controlling the valves such as the flow control switching valve 19 and the nozzle motor 28 will be described. FIG. 8 is a block diagram showing an electrical connection relationship centering on the electronic control unit 30. The electronic control unit 30 is configured as a logical operation circuit centered on a microcomputer, and includes therein a CPU 50 that executes various operation processes for controlling the temperature of the washing water and the like in accordance with a preset control program; A ROM 51 in which a control program, control data, and the like necessary for executing various arithmetic processes are stored in advance; a RAM 52 for temporarily reading and writing various data necessary for performing various arithmetic processes in the CPU 50; An input processing circuit 53 for inputting a detection signal from each sensor or a signal from a switch and converting the signal into a signal that can be processed by the CPU 50, and outputs a drive signal to the main solenoid valve 15 and the like according to the calculation result of the CPU 50. An output processing circuit 54 and the like are provided.

The output processing circuit 54 includes the above-described water supply valve unit A (main solenoid valve 15), heat exchange unit B (heater 22), flow control switching valve unit C (flow control switching motor 27), and cleaning nozzle unit D. (Nozzle motor 28)
Etc. are connected.

The input processing circuit 53 includes an operation unit 10
Switches provided in the unit and the heat exchange unit B described above.
, A hot water thermistor 25 and a float switch 26 are connected. Various switches provided in the operation unit 10 shown in FIG. 1 and connected to the input processing circuit 53 include a posterior washing button 70, a stop button 71, a water amount adjusting button 72 for adjusting a water discharge amount, and a water amount adjusting button 72 for adjusting a water discharge temperature. Temperature setting button 73 and the like.

Next, the operation of the sanitary washing device 5 will be described. Tap water in the primary water main flow path is reduced to a predetermined pressure by the pressure reducing valve 14 and is added to the main electromagnetic valve 15. Now, with the power on, the buttocks cleaning button 70
Is turned on, the main solenoid valve 15 opens. When the main solenoid valve 15 is opened, tap water can be supplied into the hot water storage tank 17.
The temperature adjustment of the appropriate temperature water in the hot water storage tank 17 is performed by on / off control of the heater 22 by the temperature adjustment device 29 which receives a control signal from the electronic control device 30. Main solenoid valve 15
Is open and the original pressure is applied, the optimal temperature water in the hot water storage tank 17 is
After passing through the vacuum breaker 18, it is sent to the flow control switching valve 19. The flow control switching motor 27 of the flow control switching valve 19 rotates based on a program cleaning process described later, and performs a series of cleaning operations.

Next, a program cleaning process executed by the electronic control unit 30 will be described. In the embodiment, the program cleaning process includes processes such as residual water treatment, pre-nozzle cleaning, main cleaning, post-nozzle cleaning, and nozzle drainage. FIG. 9 is a timing chart of all these processes.
It was shown to. In addition, among these processes, processes excluding post-nozzle cleaning and nozzle drainage are shown in the flowchart of FIG.

From the timing chart of FIG.
▼ indicates the rotor 4 with respect to the stator 41 in FIG.
Indicates the position of 0. Therefore, for example, when the control for shifting the flow control switching valve 19 from the start of the residual water treatment to the start of the pre-washing is executed, the water supply to the nozzle side flow path 35 is gradually reduced, and the water supply to the discharge side flow path 34 is performed. Become like In this embodiment, the flow control switching motor 27 operates in synchronization with the power supply frequency, and has a step angle of 3 ° per cycle. Therefore, when used at a power frequency of 60 Hertz, a maximum rotation of 180 ° is made per second.

The processing shown in FIG.
0 is operated, first, the input processing circuit 53
A process of reading various detection signals via the CPU is performed (step 101). Various detection signals include the hot water thermistor 25
And the state of various switches of the operation unit 10.

When the period of the residual water treatment ends, it is determined that the period for performing the pre-cleaning has come (step 102), and the flow control switching valve 19 is moved to the pre-cleaning position (step 10).
5). As a result, warm water is discharged from the cleaning nozzle device. In this state, since the cleaning nozzle device is at the storage position, the hot water passes through the nozzle hole of the cleaning nozzle device and cleans it. This is called pre-cleaning.

When the pre-cleaning period is over, it is determined that the period for extending the nozzle has come (step 102), and the process shifts to a process for controlling the nozzle motor 28 and a process for controlling the flow control switching valve 19 (step 102). Step 106, Step 10
7). During this period, the flow control switching valve 19 moves to a position slightly opened to the drainage channel side, so that water is discarded from the drainage channel side. This is during a series of cleaning operations as described below.
This is because, since the main solenoid valve 15 is held in the open state, the pressure in the outflow channel 32 (the connection pipe 9) and the hot water storage tank 17 increases when the water stop position is set.

When the nozzle extension is completed, the main cleaning is started next. In this cleaning process, the flow control switching valve 19 is controlled so as to increase its opening in a stepwise manner (step 108). As a result, hot and cold water whose flow rate is controlled is jetted from the cleaning nozzle device toward the local area.

While the above-described cleaning processes are being performed, the user who wishes to stop the cleaning is provided with the stop button 71.
Operate. Whether or not the stop button 71 has been operated can be detected at any stage of each cleaning process. Until this is detected, the above-described cleaning processes are sequentially performed, and the main cleaning process is continued. When the operation of the stop button 71 is detected, the main electromagnetic valve 15 is closed, and a series of cleaning processes is stopped. FIG. 11 shows a flowchart of the processing after the stop button 71 is operated.

The process shown in FIG. 11 is started when the stop button 71 is operated, and first, a process of reading various detection signals via the input processing circuit 53 is performed (step 20).
1).

Since the electronic control unit 30 controls a series of washing stop operations from the nozzle standby to the nozzle drainage, the electronic control unit 30 constantly determines how far the washing stop operation has progressed (step 202), and performs necessary processing sequentially. Immediately after the operation of the stop button 71, the process of waiting for the nozzle is performed. Therefore, first, the movement of the flow control switching valve 19 to the draining position when the nozzle extends is started (step 203). Accordingly, the water level of the cleaning water discharged from the nozzle gradually weakens, and the discharge port 21
Will be drained from At this time, the nozzle is still extended.

After the end of the nozzle standby period, it is determined that the next period for storing the nozzle has come, and the nozzle motor 28
(Step 204). During this period, the flow control switching valve 19 is located at a position slightly opened to the drainage channel side, so that the water is drained from the drainage channel. This is because the main solenoid valve 15 is kept open during a series of washing operations as described later, so that when the water stop position is set, the outflow passage 32 (the connecting pipe 9) and the hot water storage tank 17 Is increased.

When the nozzle storage is completed, it is determined that the period for performing the post-cleaning has come (step 202), and the process for controlling the flow control switching valve 19 is started. As a result, hot water is discharged from the cleaning nozzle device (step 205). In this state, the cleaning nozzle device is in the storage position,
The hot water passes through the nozzle holes of the cleaning nozzle device to clean it. This is called post-washing. During this period, the flow adjustment switching motor 27 of the flow adjustment switching valve 19 is returned to the origin position, and the origin is adjusted. When it is time to complete the origin adjustment (step 206), the main solenoid valve 15
Is closed (step 207), the flow control switching valve 19 is moved to the pre-cleaning position, and the process waits (step 208). When the post-cleaning process is completed, the nozzle water draining process is performed next. A predetermined time (25 in this embodiment) from the end of the post-cleaning process.
Seconds) (step 209), the outflow channel 32
The main solenoid valve 15 is opened for a predetermined period (0.1 seconds in this embodiment) to drain water from the (connection pipe 9) and the nozzle (step 211). After the main solenoid valve 15 is operated,
After a lapse of a predetermined time (5 seconds in this embodiment), the flow control switching motor 27 is moved from the pre-cleaning position to the residual water treatment position,
A series of cleaning stop operations ends (step 212). When the bottom cleaning button 70 is pressed during the nozzle drainage processing period, the residual water processing is not performed. Therefore, in the cleaning processing flow, it can be seen that the operation was performed during this period. A flag is set in step (step 210).

As is clear from the time chart of FIG. 9, the main solenoid valve 15 is always kept open from the time when the posterior washing button 70 is turned on until the stop button 71 is operated to complete the post-washing. ing. It is conceivable to close the main solenoid valve 15 when the nozzle extends.
If the main solenoid valve 15 is closed at this time, since the vacuum breaker 18 is located downstream of the main solenoid valve 15, air flows into the piping. Abnormal noise may be generated, and water discharge may be interrupted during the main cleaning, which may give a user an unpleasant sensation. The same can be considered when the nozzle is housed.

In this embodiment, only the residual water treatment is not performed at the time of reuse within a predetermined time.
The pre-cleaning process may not be performed. Further, only the pre-cleaning process may be performed.

Further, it is possible to remove the residual water treatment from the series of washing operations. In this case, when the posterior washing button is operated within a predetermined time after the operation of the stop button, the pre-washing process is not performed. To do.

[Brief description of the drawings]

FIG. 1 is an external view showing a Japanese style toilet 1 equipped with a sanitary washing device 5 according to one embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a flow of hot and cold water in the sanitary washing device 5;

FIG. 3 is a schematic configuration diagram showing a configuration of a sanitary washing device 5.

FIG. 4 is a sectional view showing the structure of a flow control switching valve unit C.

FIG. 5 is an exploded perspective view of a flow control switching valve unit C.

FIG. 6 is a water discharge amount characteristic diagram showing a relationship between a rotation angle of a rotor 40 of a flow control switching valve with respect to a stator 41 and a water discharge amount.

FIG. 7 is an exploded perspective view of the cleaning device main body 6.

FIG. 8 is a block diagram showing an electrical configuration centering on the electronic control unit 30;

FIG. 9 is a time chart showing the contents of a series of cleaning processes executed when the posterior cleaning button 70 is operated.

FIG. 10 is a flowchart showing the contents of a series of cleaning processing executed when the posterior cleaning button 70 is operated.

FIG. 11 is a flowchart showing a series of cleaning processes performed when a stop button 71 is operated.

[Explanation of symbols]

Japanese-style toilets ... 1, toilet bowls ... 2, toilet concealed parts ... 3,
Upper edge of toilet bowl ... 4, sanitary washing device ... 5, body of washing machine ...
6, controller box… 8, connecting pipe… 9, operation part… 10, branch fitting… 11, flexible hose… 12, water supply adapter… 13, pressure reducing valve… 14, main solenoid valve… 15, safety valve… 16, hot water storage tank… 17 , Vacuum breaker ...
18, flow control switching valve ... 19, cleaning nozzle ... 20, discharge port ... 21, heater ... 22, bimetal ... 23, temperature fuse ... 24, hot water thermistor ... 25, float switch ...
26, flow control switching motor ... 27, nozzle motor ... 28, temperature control device ... 29, electronic control device ... 30, makeup case ...
31, outflow channel 32, overflow channel 33, drain channel 34, nozzle channel 35, rotor 40,
Stator 41, shaft 42, housing 43
Spring 44, packing 45, drain outlet 46, nozzle outlet 47, passage 48, CPU 50, ROM
51, RAM ... 52, input processing circuit ... 53, output processing circuit ... 54, washing machine main body upper case ... 61, washing machine main body lower case ... 62, nozzle extension outlet ... 63, packing ... 64, butter cleaning button ... 70, Stop button ... 71, water amount adjustment button ... 72, temperature setting button ... 73

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Tsunetaka Hashimoto 100, Maeda-cho, Totsuka-ku, Yokohama-shi, Kanagawa Prefecture Inside (72) Inventor Yuji Fujie 100, Maeda-cho, Totsuka-ku, Yokohama-shi, Kanagawa Koito Kogyo Inside the corporation

Claims (4)

[Claims] 1. A flush water discharging means for discharging flush water to a part to be cleaned of a toilet user, a heating means for heating the flush water, and an operating means for instructing the flush user to release / stop the flush water. A sanitary washing apparatus comprising: washing water supply means for supplying washing water to the washing water discharging means by operation of the operating means; and control means for discharging washing water into the toilet at the beginning of the discharge of the washing water. The control means includes a re-discharge prohibiting means that does not discharge the flush water into the toilet at the beginning of the flush water discharge start when a flush water discharge command is issued again within a predetermined time after the flush water stop command by the operation means. Sanitary washing device characterized by the provision of 2. The sanitary washing apparatus according to claim 1, wherein said control means stays in a connecting pipe connecting said heating means and said washing water discharging means when said sanitary washing apparatus is not used during said discharging operation of said operating means. Sanitary washing device for discharging flushing water into the toilet bowl 3. A washing machine body which is formed so as to be able to be placed along an upper edge surface excluding a gold hidden portion of a Japanese style toilet and a washing nozzle is arranged at a rear portion so as to extend freely, and the washing machine body is separated. Heating installed. A controller box with a built-in water supply device, the washing nozzle and heating. In a sanitary washing device comprising a connecting pipe for connecting a water supply device, an operating means for instructing the discharge / stop from the cleaning nozzle, and the connecting pipe when the sanitary washing device is not used during the discharging operation of the operating means Control means for discharging flush water remaining in the toilet into the toilet; and when the flush water discharge instruction is issued again within a predetermined time after the flush water stop instruction by the operating means, the control means discharges the flush water. A sanitary washing device provided with a re-discharge prohibiting means that does not discharge into the toilet at the beginning of the start. 4. The sanitary washing device according to claim 3, wherein said operating means is provided in said controller box.