JPH01268931A - Cleaning water supplyer for local cleaner having high-temperature water discharge preventing function - Google Patents

Abstract

PURPOSE:To avoid the danger of burn, etc., by a method in which a valve driver made of shape memory alloy is set on a switch valve for a jet nozzle and a water discharge path, and the flow path is switched to the water discharge path when high-temperature hot water flows out. CONSTITUTION:A temperature regulating valve is operated to form mixed hot water of adequate temperature, and a flow regulating valve 27 is opened to supply hot water through the path 18 of bathtub into a bathtub 23. When man is sit on a local cleaner 21 during the hot water supplying period, a sitting sensor is turned on, and a valve driver 27a is operated to close the valve 27 for stopping the hot water supplying action. The temperature of hot water is detected by a sensor 18 to raise the temperature to a set one. When high- temperature hot water comes out to the path 16 of local cleaner by any chance, the valve driver made of shape memory alloy set on the path switch valve 50 is actuated to switch the path to the water discharge path 51. High- temperature hot water is further discharged through the path 51 into the cleaner 21.

Description

DETAILED DESCRIPTION OF THE INVENTION (A) Field of Industrial Application The present invention relates to a washing water supply device for a private parts washing device having a function of preventing high-temperature water discharge.

(B) Conventional technology Conventionally, as a form of a washing water supply device to a private parts washing device, a mixed hot water flow path is connected to the downstream side of a temperature control pulp that is connected to a water supply source and a hot water source, and the mixed hot water Some have a spray nozzle at the tip of the water flow path. When in use, the cleaning switch sends the operating output to the controller, which drives the temperature control valve to generate a mixture of hot water at an appropriate temperature, which is then sprayed from the spray nozzle toward the private parts to clean the private parts. It is carried out.

(C) Problems to be Solved by the Invention However, in such a washing water supply device for a private parts washing device, temperature-regulating pulp mixes water and high-temperature hot water to produce mixed hot water at an appropriate temperature. There is a risk that high-temperature hot water may come out instantaneously due to causes (for example, water pressure fluctuations in the supply water, pressure fluctuations in the supply water, failure of temperature sensors such as thermistors, etc.), which may cause burns to the user. was.

SUMMARY OF THE INVENTION An object of the present invention is to provide a washing water supply device for a private parts washing device that has a function of preventing high-temperature water discharge and can solve the above-mentioned problems.

(d) Means for solving the problem The present invention generates mixed water at an appropriate temperature using a temperature control valve, and supplies the mixed hot water as washing water to the private parts washing device through the flow path of the private parts washing device. In the cleaning water supply device to the private parts cleaning device, a flow path switching valve that can selectively switch the flow path between the injection nozzle and the waste water path is provided in the private area cleaning device flow path, and the flow path switching valve is equipped with a shape memory A valve driving member made of an alloy is provided, and the valve driving member is configured so that the flow path can be switched to a waste water flow path when hot water is tapped.Washing water supply to a private parts washing device having a function of preventing high temperature water discharge. It is related to the device.

In addition, in the present invention, the private part cleaning device flow path is connected to the downstream side of the hot water supply flow path whose upstream side is connected to the temperature control valve 11ffi via the flow M adjustment/water stop/switching valve.
One of several channels can be formed.

(e) Action and effect With the above configuration, the present invention has the following effects.

■In the present invention, a flow path switching valve that can selectively switch the flow path between the injection nozzle and the wastewater flow path is provided in the private part cleaning device flow path,
The flow path switching valve is provided with a valve driving member made of a shape memory alloy, and the valve driving member is configured to be able to switch the flow path to the wastewater flow path when hot water is tapped at a high temperature.

Therefore, during proper temperature control, for some reason (for example, fluctuations in the water pressure of the supplied water, pressure fluctuations in the supplied hot water, failure of a temperature sensor such as a thermistor, etc.), high-temperature hot water may be momentarily discharged into the flow path of the local cleaning device. Also, the valve driving member made of a shape memory alloy can quickly operate to cut the flow path into a wastewater flow path.

Therefore, it is possible to prevent the hot water mixture from being discharged from the injection nozzle, thereby avoiding the risk of burns and the like.

■A private area washing device to which the washing water supply device according to the present invention can be applied has a water supply channel on the downstream side of the hot water supply passage whose upstream side communicates with the temperature control valve. It can also be used as the first channel among a plurality of flow channels communicated via the IT adjustment, water stop, and switching valves. In this case, the flow of mixed water in the private parts cleaning device flow path is influenced by the hot water discharged in the other flow paths, making it easy for high temperature hot water to be instantaneously discharged into the private parts cleansing device flow path. However, even in such a case, the valve drive member made of the alloy with a shape of 1 is operated quickly by the high temperature mixed hot water to switch the flow path to the waste water flow path, thereby preventing high temperature discharge. can protect the user from burns.

(f) Examples The present invention will be specifically described below based on examples shown in the attached drawings.

FIG. 1 shows the conceptual overall configuration of an automatic water heater A equipped with a washing water supply device for a private parts washing device according to the present invention. road,
Both flow paths 10.11 have a stub 411 regulating valve 12.1, respectively.
3 is provided.

In addition, a pressure equalization valve E is provided on the upstream side of the flow rate adjustment valve 12.13.
is provided, which balances the pressure of high-temperature hot water and water supplied to the hot water side flow path 10 and the water side flow path 11, making it possible to easily control the appropriate temperature of the mixed hot water. It is.

Further, a valve drive device 14 such as a motor is interposed between the hot water side and water side channels 10 and 11, and the valve drive device 14 controls the flow rate. By driving and opening/closing the regulating valves 12 and 13, the mixed hot water can flow into the mixed hot water flow path (hot water supply flow path) 15 located on the downstream side, and by changing the opening/closing degree of the valve, the hot water and water can be mixed. You can change the ratio and adjust the temperature.

In addition, in the above-mentioned structure, the temperature control valve B is formed by the flow rate control valves 12 and 13 and the valve driving device 14.

In addition, on the downstream side of the mixed hot water flow path 15, from the side close to the temperature control valve B toward the far side, there is a private part cleaning device flow path 16 and a shower/flush flow B19 (the flow path 19 is The bathtub flow path 18 and the washbasin flow path 17 are connected to the shower flow path 19a and the shower flow path +9b, which are branched via a meteor adjustment/water stop/switch valve 20.

And, the private area GL (the cleaning device flow path 16, the wash basin flow path 17, the bathtub flow path 18, the flush flow path 19a, and the shower flow path +9b are respectively the private part cleaning device 21, the wash basin 22, Mixed hot water can be supplied to the bathtub 23 and the shower head 24.

In addition, in the above flow path configuration, the private part cleaning device flow path 16, the wash basin flow path 17, and the bathtub flow path lH each have a flow @
Regulating valves 25, 26, 27 are installed.

The meteor adjustment/water stop/switch valve 20 and the flow rate adjustment valves 25, 26, 27 are connected to a valve drive device 20 such as a motor.
a, 25a, 26a, 27a, the mixed hot water private part washing device 21. Washbasin22. It is possible to select the flow path to the bathtub 23 and the shower 24, to adjust the flow path in each flow path, and to shut off the water by cutting off communication to all flow paths.

In addition, the flow @ adjustment/water stop/switching valve 20, the flow rate adjustment valves 25, 26, 27, and the valve drive devices 20a, 25a
, 26a, 27a, Flow! ! Adjustment/water stop/
A switching valve C will be formed.

Furthermore, in FIG. 1, 28 is a mixed hot water temperature sensor provided on the upstream side of the mixed hot water flow path 15, which detects the mixed hot water temperature value T- of the mixed hot water flowing in the mixed hot water water flow path 15, Mixed hot water detection/Aλ degree value Tm and mixed hot water set temperature value Ts) (Then, the control device described later performs PIDit and lI control, generates an appropriate drive output, and controls the temperature control valve. Drive B, and by the same drive,
It is possible to adjust the temperature of mixed dry water.

Further, 29 is a mixed hot water flow rate sensor provided in the private part cleaning device flow path 16, which detects the mixed hot water flowing in the private part cleansing device flow path 16? tFit value Qm is detected, and based on the flow rate deviation value between the mixed hot water detected flow rate value 0+s and the mixed hot water set temperature value a3, in addition to the temperature adjustment control based on the temperature deviation value described above, the control device performs appropriate control. A driving output is generated to drive the flow N adjustment valve 25, and by this drive, the flow M
Adjustments can be made.

Further, 30 is a mixed hot water flow path sensor provided in the bathtub flow path 18, which detects the mixed hot water detection flow m value low of the mixed hot water flowing in the bathtub flow path IB, and mixes the mixed hot water detection flow m value Qm with the mixed hot water detection flow m value low. In addition to the temperature adjustment control based on the temperature deviation value described above, the control device generates an appropriate drive output to drive the flow rate adjustment valve 27 based on the flow rate deviation value from the hot water setting hot water gutter value Qs, By this drive, flow adjustment, etc. can be performed.

Further, 31 is a mixed hot water meteor sensor installed in the shower/curtain flow path 19, which detects the mixed hot water detected flow m value Qtm of the mixed hot water flowing in the same flow path 19, and detects the mixed hot water detected flow rate value (la+ and In addition to the temperature adjustment control based on the temperature deviation value described above, the control device generates an appropriate drive output to adjust current, clean water, etc. The switching valve 20 is driven, and the flow rate can be adjusted by driving the switching valve 20.

Further, as shown in FIG. 1, the control device includes a microprocessor Mr'[I, a human output interface 35,
36 and ll0M and RA? The memory 38 includes output numbers 476 from the various sensors 28, 29, 30, and 31 described above, and drive signals from the various controllers 40, 41, and 42 described below. Based on the signal, a valve driving order program for driving the temperature control valve B and the flow rate adjustment/stopping/switching valve C is stored, and the hot water supply conditions at the time of /lt path switching etc. can also be stored. can.

That is, in FIG. 1, numeral 40 is a controller for the private parts cleaning device that is installed near the flush toilet equipped with the private parts cleaning device 21 and supports the conditions for jetting cleansing water from the jet nozzle to the private parts such as the buttocks. 42 is a washbasin controller that is installed near the washbasin 22 and supports the conditions for dispensing hot water from a discharge fitting or the like to the washbasin 22; 42 is a bathtub controller that is installed in a bathroom, kitchen, etc., and instructs the conditions for dispensing hot water to the bathtub 23; 43 is installed in the washing area of the bathroom, and the shower 24
and a controller for the shower flusher that instructs hot water supply conditions to the flusher 24a.

And these controllers 40, 41, 42, 43
A predetermined drive signal or control n
A signal is sent to the control device 9, and based on the drive signal,
Above temperature j) The one-section valve B and the flow meter adjustment/water stop/switching valve C can be driven.

Substantially, in the above configuration, the present invention provides local washing 17+
It is characterized by a configuration that can prevent high-temperature water from being discharged to the device 21.

l! [1] A flow h provided in the middle of the private part cleaning device flow path 1G shown in FIG.
0 is provided, and the outflow side of the flow path switching valve 50 communicates with the lK path which communicates with the l* @ regulating valve 25 and the waste water flow path 51 which opens into the private part cleaning device 21, respectively.

The same tAj path switching valve 50 is manufactured by Japanese Patent Application Laid-Open No. 60-408.
A valve drive member made of a shape memory alloy as described in Publication No. 74 is incorporated, and the valve drive member controls the flow path during hot tapping at high temperature. , it is configured to be switchable from the normal flow path communicating with the IT adjustment valve 25 to the drainage flow path 51 during an emergency.

Therefore, during appropriate temperature control, for some reason (for example, fluctuations in the water pressure of the supplied water, pressure fluctuations in the supplied hot water, failure of a temperature sensor such as a thermistor, etc.), high-temperature hot water momentarily enters the flow path 16 of the private cleaning device. Even when hot water is dispensed, a valve driving member made of a shape memory alloy provided in the flow path switching valve 50 operates quickly to switch the ζ flow path to the waste water flow path 51 and drain all the high temperature mixed hot water through the waste water flow path 51. can be disposed of into the private part washing device 21.

Therefore, it is possible to prevent the ejection of hot mixed water from the injection nozzle, and to avoid the risk of fire (U) or the like.

Furthermore, in this embodiment, the private part cleaning device 16 has an upstream side connected to the temperature control valve B (2). It is used as the first channel of a plurality of channels connected to the downstream side of the hot water supply channel via a daily flow adjustment/water stop/switch valve C.

Therefore, the output of the mixed hot water in the private part cleaning device flow path 16 is affected by the hot water output from other flow paths, and the high temperature hot water momentarily flows into the private part cleaning device passage 16 at t's? l) L becomes easier.

However, even in such a case, in this embodiment, the valve driving member made of a shape memory alloy in the flow path switching valve 50 is quickly operated by the hot mixed water at high temperature, and the flow path is drained from the water flow path 51.
All of the high-temperature mixed hot water can be dumped into the private parts cleaning device 21 through the waste water channel 51, and high-temperature discharge from the injection nozzle can be reliably prevented, and the noise of use can be reduced to a fire ( It can protect your ears.

Next, automatic hot water supply operation by the automatic hot water supply apparatus A having the above configuration will be explained with reference to FIGS. 1 to 3.

Incidentally, FIG. 2 shows the sequence of operations when filling the bathtub 23 with hot water, and FIG. 3 shows a subroutine when giving priority to the private part washing operation.

In Figure 2, after pressing the power switch (100),
The hot water supply to the bathtub 23 is set by pressing the hot water temperature setting switch of the bathtub controller 42 (101).

Next, the temperature of the mixed hot water discharged into the bathtub 23 is determined as follows.
The hot water temperature setting switch of the bathtub controller 42 is pressed to set it (103).

After confirming the above operation, press the automatic hot water supply switch and drive the temperature control valve B to create mixed hot water at the appropriate temperature.
? *Open the N adjustment valve 27 and supply mixed hot water into the bathtub 23 through the bathtub channel 18 to fill the bathtub with hot water (106
).

The amount of hot water dispensed is counted and integrated by the integration counter (+07), and the temperature control valve I3 is set to PID.
Appropriate temperature control is performed using i-control or the like (108).

In the appropriate temperature control fil (108), the automatic hot water supply display lamp, the set sunlight display lamp, and the set hot water temperature display lamp provided in the bathtub controller 43 are turned on (10).

Then, if the cumulative amount of hot water counted by climbing up to the counter reaches the set temperature m, it is assumed that hot water has been filled (
IIOY), the flow rate adjustment valve 27 is stopped, and the bathing OK lamp and bathing OK buzzer are sounded to notify the user that bathing is possible (110).

On the other hand, if the cumulative amount of hot water counted by the counter has not reached the set water level (IION), steps (107) to (110) will be repeated until it reaches the set water level.

In this sequence of operations, if it is desired to supply mixed hot water to the local washing device channel 16 in the middle, the operation procedure shown in FIG. 3 is inserted in the middle of the operation procedure shown in FIG.
Based on the same operation procedure, the private part cleaning operation will proceed with priority.

That is, in FIG. 3, when a person sits on the private part cleaning device 21 while the bathtub is being filled with hot water (120), the seating detection means consisting of an infrared sensor, a power supply sensor, a microsinch, a load cell, etc. is turned on (121).

Based on this ON signal, the control bag fiD
The hot water filling conditions (for example, set temperature and cumulative flow rate, etc.) in step 8 are stored (122), and the valve drive device 27a
is driven to close the hot water filling meteor adjustment valve 27 and stop the hot water filling operation (123).

Next, the temperature of the mixed hot water is detected by the mixed hot water temperature sensor 28, and if it is lower than the private part cleaning set temperature value (124N).
Then, the water is discarded (125), and the same operation is continued until the temperature reaches the set temperature for private washing.

Then, when the measured temperature value of the mixed hot water reaches the private part cleaning set temperature value (124Y), the private part cleaning switch is turned on to drive the valve driving device 25a (12G), and the flow rate adjustment valve 25 is opened (127). Mixed hot water to private parts cleaning device 21
Supplied to cleanse private parts, etc.

Also, after thoroughly cleaning the private parts, if the private part cleaning switch is turned off (128), the valve drive unit r! ! , 25a stops and closes the flow m regulating valve 25 (129), therefore,
The supply of the mixed hot water to the private part washing device 21 is stopped, and the washing operation is completed.

Next, when the user stands up from the private part washing device 21, the seating detection means outputs an off output (130), and the off output causes the control bag WD to flush the hot water in the bathtub flow path 18 stored in step (122). At the same time as reading out the tensioning conditions (for example, set temperature, integrated flow rate, etc.) (131), the flow m adjustment valve 27 is opened by the valve driving device 27a, and hot water is filled into the mixed dry water bathtub 23 through the hot water filling channel 18. It will be continued (133).

In this operating procedure, as described above, in this embodiment, the flow path switching valve 51 is connected to the private area cleaning device flow path 16.
Since the waste water passage 50 is provided, during the appropriate temperature control, high-temperature hot water may flow into the private part cleaning device flow passage 16 for some reason.
Even if hot water is dispensed instantaneously, the valve driving member made of a shape memory alloy provided in the flow path switching valve 50 quickly operates to switch the flow path to the waste water flow path 51, and the water waste flow path 51 is passed through the water flow path 51. All of the high temperature mixed hot water can be disposed of into the private parts cleaning device 21, thereby avoiding the risk of burns and the like.

In addition, in FIG. 3, tl indicates the priority time for the local cleaning operation.

[Brief explanation of the drawing]

Fig. 1 is a conceptual diagram illustrating the configuration of an automatic hot water supply device equipped with a washing water supply device for a private parts washing device having high temperature water discharge prevention m11 according to the present invention, and Fig. 2 shows the hot water filling operation in the automatic water supply device. Flowchart showing the sequence of operations. FIG. 3 is a flowchart showing the sequence of operations of the private part cleaning operation. In the figure, A: Automatic hot water supply device B: Temperature control pulp C: Flow rate adjustment/stopping/switching valve D2 control device E: Pressure balance valve 16: Private cleaning device flow path 17: Wash basin flow path 18: Bathtub flow path 19 :Shower flow path 21;Private cleaning device 22:Wash basin 23:Bathtub
24: Shower 24a: Karan

Claims (1)

[Claims] 1. Generating mixed hot water at an appropriate temperature using a temperature control valve;
In the washing water supply device to the private parts washing device, which supplies the same mixed hot water as washing water to the private parts washing device through the private parts washing device flow path, selectively is applied to the injection nozzle and the waste water flow path to the private parts washing device flow path. A flow path switching valve that can switch the flow path is provided in the flow path, and the flow path switching valve is equipped with a
A cleaning device for private parts having a function of preventing high-temperature water discharge, characterized in that a valve drive member made of a shape memory alloy is provided, and the flow path can be switched to a waste water flow path when hot water is tapped by the valve drive member. Water supply device. 2. The private area cleaning device flow path forms one of the multiple flow paths that communicate with the hot water supply flow path, which communicates the upstream side with the temperature control valve, via a flow rate adjustment, water stop, and switching valve. A washing water supply device for a private parts washing device having a function of preventing high temperature water discharge as set forth in claim 1.