JP2010275780A - Warm water washing apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a warm water washing apparatus miniaturizable, obtaining desired warm water when using private part washing even immediately after using a large amount of warm water for washing hands, dispensing with stand-by electric power for holding warm water, and supplying power by one power supply line while suppressing the peak of maximum power consumption. <P>SOLUTION: The warm water washing apparatus 10 includes a continuous warm water supply apparatus 11 heating water supply from a water supply channel 16 to produce warm water; a buttocks nozzle 13a or a bidet nozzle 13b (a private part washing nozzle) for jetting warm water produced by the continuous warm water supply apparatus 11, to private parts; and a hand washing apparatus 15 discharging warm water produced by the continuous warm water supply apparatus 11, from a faucet 21. A selector valve 14 is provided downstream of the continuous warm water supply apparatus 11. The selector valve 14 is configured to switch a passage so that the warm water produced by the continuous warm water supply apparatus 11 can communicate only with the buttocks nozzle 13a or bidet nozzle 13b when washing the private parts and can communicate only with the hand washing apparatus 15 when washing hands. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a hot water cleaning device that generates hot water by heating water supplied from a water supply channel and supplies the hot water to a local cleaning nozzle and a hand washing device.

  As a conventional technique, a switching valve is provided in the middle of the nozzle water pipe connecting the hot water tank and the nozzle, one end of the hand washing water pipe is connected to this switching valve, and the hand washing water supply pipe and the hot water are switched by switching the switching valve. There is one that allows communication with a tank, supplies hot water in a hot water tank from a hand-washing water supply pipe to a hand-washing dish, and performs hand-washing with this hot water (see, for example, Patent Document 1).

  Moreover, there exists what has added the heating function to the faucet metal fitting part for hand-washing, and was equipped with the detection means and the means to heat the water to discharge from the faucet (for example, refer patent document 2). .

JP-A-10-88642 JP-A-10-219787

  However, the conventional technique of Patent Document 1 requires a tank having a capacity for storing hot water for local washing and hand washing, and there is a problem that the hot water washing apparatus is enlarged. In addition, when a large amount of hot water is used for hand washing, there is a problem that the temperature of the hot water is lowered when local washing is used immediately after. In addition, when a large amount of hot water is used for local cleaning, there is a problem that the temperature of the hot water decreases when hand washing is performed immediately after. Moreover, since warm water is stored, there exists a problem that standby electric power becomes large.

  Moreover, in the prior art of patent document 2, it is necessary to add a heating function to the faucet fitting part for hand-washing in addition to the heating means for generating hot water to be supplied to the local washing nozzle. is there. In addition, if the hot water supply to the local cleaning nozzle and the warming function of the hand-washing faucet fitting are activated simultaneously, the peak of maximum power consumption exceeds 1200 W, making it difficult to supply power from a single power line. It is.

  The present invention has been made in view of the above problems, and the apparatus can be miniaturized, and desired hot water can be obtained when using local cleaning even immediately after using a large amount of hot water for hand washing. It is an object of the present invention to provide a warm water cleaning apparatus that does not require standby power for maintaining power and suppresses the peak of maximum power consumption and can supply power from a single power line.

  The first problem-solving means of the present invention is a continuous hot water supply device that heats water supplied from a water supply channel to generate hot water, a local cleaning nozzle that blows out the hot water generated by the continuous hot water supply device, A hot water cleaning device comprising a hand washing device that discharges the hot water generated by the continuous hot water supply device from a faucet, wherein a switching valve is provided downstream of the continuous hot water supply device, and the switching valve is the continuous hot water supply device. The flow path is switched so that the generated hot water can be communicated only to the local washing nozzle during local washing and can be communicated only to the hand washing device during hand washing.

  In the second problem solving means, the switching valve has a configuration in which a flow rate of the warm water to the local washing nozzle and a flow rate of the warm water to the hand washing device are different.

  The third problem solving means includes: a person detecting means for detecting that a person has entered the toilet room; a heater for receiving the signal from the person detecting means and heating the water supply; and the heater heated by the heater. A tank for storing water supply is provided, and the hot water from the tank is supplied to the continuous hot water supply apparatus.

  Moreover, a 4th problem-solving means is a structure in which the said hot water from the said tank is supplied to the said continuous hot water supply apparatus only at the time of hand-washing.

  In the present invention, the hot water cleaning device is provided with a switching valve on the downstream side of the continuous hot water supply device, and the switching valve allows the hot water generated by the continuous hot water supply device to be communicated only to the local cleaning nozzle during local cleaning, and to the hand washing device during hand washing. It is the structure which switches a flow path so that only communication is possible. Therefore, the hot water cleaning apparatus of the present invention does not require a tank having a capacity for storing hot water for local cleaning and hand washing, and the apparatus can be miniaturized. Moreover, since the warm water produced | generated with the continuous hot-water supply apparatus is used, even when another user performs local washing immediately after using a lot of warm water for hand-washing, desired warm water is obtained. Moreover, even when hand washing is performed immediately after using a large amount of hot water in local washing, desired hot water can be obtained.

  Further, standby power for holding hot water is not required, and heat is not released from the tank, so that an energy saving effect can be obtained. Moreover, the peak of the maximum power consumption of a warm water washing apparatus can be suppressed, and the power supply with one power supply line is possible.

  Further, since the flow rate of hot water to the local cleaning nozzle of the switching valve and the flow rate of the warm water to the hand washing device are different, the flow rate required for local cleaning (about 450 cc / min) and the flow rate required for hand washing (about 1000 cc / min) Each).

  In addition, a human detection means for detecting that a person has entered the toilet room, a heater for receiving the signal from the human detection means and heating the water supply, and a tank for storing the water heated by the heater are provided. By supplying the hot water from the tank, the flow rate of the hot water supplied to the local washing nozzle or the hand wash can be increased. Further, unlike the prior art, a tank for storing a quantity of hot water necessary for local washing and hand washing is not necessary, so that the tank can be miniaturized. Moreover, since hot water is generated after detecting that a person has entered the toilet room, heat dissipation outside the tank can be suppressed and power consumption can be reduced as compared with the prior art.

  In addition, since the continuous hot water supply apparatus is supplied with hot water from the tank only during hand washing, the flow rate of hot water necessary for hand washing can be ensured. In addition, the tank for storing the water supplied by the heater can be reduced in size.

It is explanatory drawing which shows the perspective structure of the instantaneous hot water supply type hot water washing toilet provided with the hot water washing apparatus which is Example 1 of this invention. It is explanatory drawing which shows the water supply circuit of the warm water washing | cleaning apparatus of Example 1. FIG. It is explanatory drawing which shows the perspective structure of the instantaneous hot water supply type hot water washing toilet provided with the hot water washing apparatus which is Example 2 of this invention. It is explanatory drawing which shows the perspective structure of the instantaneous hot water supply type hot water washing toilet provided with the hot water washing apparatus which is Example 3 of this invention. It is explanatory drawing which shows the perspective structure of the instantaneous hot water supply type hot water washing toilet provided with the hot water washing apparatus which is Example 4 of this invention. It is explanatory drawing which shows the water supply circuit of the warm water washing | cleaning apparatus of Example 5. FIG. It is explanatory drawing which shows the water supply circuit of the warm water washing | cleaning apparatus of Example 6. FIG. It is explanatory drawing which shows the structure of the warm water washing | cleaning apparatus of Example 7. FIG. It is explanatory drawing which shows the structure of the warm water washing | cleaning apparatus of Example 8. It is explanatory drawing which shows the structure of the warm water washing | cleaning apparatus of Example 9. FIG. It is explanatory drawing which shows the water supply circuit of the warm water washing | cleaning apparatus of Example 10. FIG. It is explanatory drawing which shows the water supply circuit of the warm water washing | cleaning apparatus of Example 11. FIG. It is explanatory drawing which shows the water supply circuit of the warm water washing | cleaning apparatus of Example 12.

  Hereinafter, embodiments of the present invention will be described in detail.

  FIG. 1 is an explanatory view showing a perspective configuration of an instantaneous hot water supply type hot water cleaning toilet 1 provided with a hot water cleaning device 10 according to a first embodiment of the present invention. The instant hot water supply type hot water cleaning toilet 1 includes a toilet cleaning tank 2. In the case 3 covering the toilet bowl cleaning tank 2, a continuous hot water supply device 11, a control device 12, a buttocks nozzle 13 a (local cleaning nozzle) and a bidet nozzle 13 b (local cleaning) that constitute the hot water cleaning device 10. Nozzle), a switching valve 14, a hand washing pipe 18, and a toilet bowl washing pipe 19. A hand-washing device 15 is provided on the upper part of the toilet bowl washing tank 2. The instant hot water supply type hot water cleaning toilet 1 is a toilet integrated type, but may be a low tank part integrated type.

  FIG. 2 is an explanatory diagram showing a water supply circuit of the hot water cleaning apparatus 10 of FIG. The hot water cleaning device 10 sends the water supplied from the water supply channel 16 to the continuous hot water supply device 11 via the water supply valve 20 and heats it with the heater 17 provided in the continuous hot water supply device 11 to generate hot water. The water supply valve 20 is a three-way valve (electromagnetic valve) and switches the water supply from the water supply path 16 to the continuous hot water supply device 11 side or the toilet flushing tank 2 side according to an instruction from the control device 12. Hot water generated by the continuous hot water supply device 11 is sent to the switching valve 14. The switching valve 14 sends warm water to the buttocks nozzle 13 a and the bidet nozzle 13 b or to the hand-washing device 15 through the hand-washing pipe 18. The flow path of the switching valve 14 is configured such that the flow rate to the buttocks nozzle 13a and the bidet nozzle 13b (about 450 cc / min) is different from the flow rate of hot water to the hand-washing device 15 (about 1000 cc / min).

  The operation of the hot water cleaning apparatus 10 will be described.

(Operation during local cleaning)
When the user operates the switch (not shown) of the buttocks nozzle 13a or the bidet nozzle 13b, the control device 12 opens the water supply valve 20 to the continuous hot water supply device 11 side and starts water supply from the water supply path 16, Water is supplied to the continuous hot water supply device 11. The water supplied to the continuous hot water supply device 11 is heated by the heater 17 to a temperature suitable for the butt cleaning and the bidet cleaning. The hot water generated by the continuous hot water supply device 11 is sent only to the butting nozzle 13a or the bidet nozzle 13b via the switching valve 14 and used for local cleaning of the user.

(Operation when washing hands)
When the user operates a hand-washing switch (not shown) after the local cleaning, the water supply from the water supply channel 16 is sent to the continuous hot water supply device 11 and heated to a temperature suitable for hand-washing by the heater 17. The hot water generated by the continuous hot water supply device 11 is sent only to the hand washing device 15 via the hand washing pipe 18 by the switching valve 14. The warm water sent to the hand washing device 15 is discharged from the faucet 21.

  The hot water cleaning device 10 is provided with a switching valve 14 on the downstream side of the continuous hot water supply device 11, and the switching valve 14 communicates the hot water generated by the continuous hot water supply device 11 only to the buttocks nozzle 13a or the bidet nozzle 13b during local cleaning. Since the flow path is switched so that only the hand-washing device 15 can communicate with the hand-washing device at the time of hand-washing, a tank having a capacity for storing hot water for local washing and hand-washing is unnecessary, and the device can be downsized. Moreover, since the hot water produced | generated with the continuous hot-water supply apparatus 11 is used, even when another user performs local washing immediately after using a lot of warm water for hand-washing, desired hot water is obtained. Further, standby power for holding hot water is not required, and heat is not released from the tank, so that an energy saving effect can be obtained. Moreover, the peak of the maximum power consumption of the hot water washing apparatus 10 can be suppressed, and power supply (1200 W) can be performed with a single power line.

  In addition, since the flow rate of warm water to the buttocks nozzle 13a or the bidet nozzle 13b of the switching valve 14 and the flow rate of warm water to the hand washing device 15 are different, the flow rate required for local cleaning (about 450 cc / min) and necessary for hand washing are required. Each flow rate (about 1000 cc / min) can be secured.

  Moreover, since the hand-washing pipe 18 and the toilet bowl pipe 19 are provided in the toilet bowl 2, the design is improved.

  FIG. 3 is an explanatory view showing a perspective configuration of an instantaneous hot water supply type hot water cleaning toilet 1a provided with a hot water cleaning device 10a according to a second embodiment of the present invention. The difference from the first embodiment is that the case 3 is not provided, the water supply valve 20a that is a two-way valve is used, and the hand-washing pipe 18a that supplies hot water to the hand-washing device 15 side is attached to the warm-water washing toilet seat 4. And the hand-washing pipe 18a and the toilet bowl cleaning pipe 19a are provided outside the toilet bowl 2a. The other configuration is the same as that of the hot water cleaning apparatus 10 of FIG. The same functions and parts will be described using the same reference numerals.

  The instantaneous hot water type hot water cleaning toilet 1a includes a continuous hot water supply device 11, a control device 12, a buttocks nozzle 13a, a bidet nozzle 13b, and a switching valve 14 that constitute the hot water cleaning device 10a. The hand-washing pipe 18a is connected to the pipe attachment port 22 and provided outside the toilet bowl washing tank 2a. The toilet flushing pipe 19a branches from the water supply channel 16 and is provided outside the toilet flush tank 2a.

  The hot water cleaning device 10 a generates hot water by heating the water supplied from the water supply passage 16 with the heater 17 of the continuous hot water supply device 11. The hot water generated by the continuous hot water supply device 11 is sent to the switching valve 14, and the switching valve 14 passes the hot water to the buttocks nozzle 13 a and the bidet nozzle 13 b through the hand-washing pipe 18 a connected to the pipe attachment port 22. 15 is sent. The flow path of the switching valve 14 is configured such that the flow rate to the buttocks nozzle 13a and the bidet nozzle 13b (about 450 cc / min) and the flow rate of hot water to the hand washing device 15 (about 1000 cc / min) are different.

  The operation at the time of local washing and the operation at the time of hand washing of the hot water washing apparatus 10a are the same as those in the first embodiment.

  The hot water washing apparatus 10a has the same effect as that of the first embodiment, but the hot water washing toilet seat 4 is provided with a pipe attachment port 22 for attaching a hand washing pipe 18a for supplying warm water to the hand washing apparatus 15 side, and the hand washing pipe 18a and the toilet bowl are provided. By providing the cleaning pipe 19a outside the toilet cleaning tank 2a, it becomes easy to improve the existing warm water cleaning toilet seat and provide the hot water cleaning device 10a.

  FIG. 4 is an explanatory view showing a perspective configuration of an instantaneous hot water supply type hot water cleaning toilet 1b provided with a hot water cleaning device 10b according to a third embodiment of the present invention. The difference from the first embodiment is that the case 3 is not provided, the water supply valve 20a that is a two-way valve is used, and a hand-washing pipe 18b for supplying warm water to the warm-water washing toilet seat 4 toward the hand-washing device 15a side. A pipe attachment port 22 for attachment is provided, a hand-washing pipe 18b and a toilet bowl cleaning pipe 19b are provided outside the toilet bowl washing tank 2a, a hand-washing device 15a is provided at the end of the hand-washing pipe 18b, and the toilet bowl washing pipe 19b That is, a hand-washing device 15b is provided at the end. The other configuration is the same as that of the hot water cleaning apparatus 10 of FIG. The same functions and parts will be described using the same reference numerals.

  The instantaneous hot water type hot water cleaning toilet 1b includes a continuous hot water supply device 11, a control device 12, a buttocks nozzle 13a, a bidet nozzle 13b, and a switching valve 14 that constitute the hot water cleaning device 10b. The hand-washing pipe 18b is connected to the pipe attachment port 22 and is provided outside the toilet bowl washing tank 2a. The toilet flushing pipe 19b is branched from the water supply channel 16 and provided outside the toilet flushing tank 2a. A hand-washing device 15a is provided at the end of the hand-washing pipe 18b, and a hand-washing device 15b is provided at the end of the toilet-washing pipe 19b.

  The hot water cleaning device 10 b generates hot water by heating the water supplied from the water supply path 16 with the heater 17 of the continuous hot water supply device 11. The hot water generated by the continuous hot water supply device 11 is sent to the switching valve 14, and the switching valve 14 handwashes the hot water to the buttocks nozzle 13 a and the bidet nozzle 13 b through the hand-washing pipe 18 b connected to the pipe attachment port 22. Sent to the device 15a. The flow path of the switching valve 14 is configured such that the flow rate to the buttocks nozzle 13a and the bidet nozzle 13b (about 450 cc / min) is different from the flow rate of hot water to the hand-washing device 15 (about 1000 cc / min). .

  The operation at the time of local washing and the operation at the time of hand washing of the hot water washing apparatus 10b are the same as those in the first embodiment.

  The hot water washing apparatus 10b has the same effect as that of the first embodiment, but the hot water washing toilet seat 4 is provided with a pipe attachment port 22 for attaching a hand washing pipe 18b for supplying warm water to the hand washing apparatus 15 side, and the hand washing pipe 18b. By providing the toilet flushing pipe 19b outside the toilet flushing tank 2a, it becomes easy to improve the existing warm water flush toilet seat and provide the warm water flushing apparatus 10b. Further, by using the hand-washing faucet 15a as a dedicated shower 23, the feeling of washing can be improved even with a small flow rate. Moreover, when performing hand washing with water, the faucet 21 of the hand-washing apparatus 15b provided in the toilet bowl piping 19b can be used.

  FIG. 5 is an explanatory diagram showing a perspective configuration of an instantaneous hot water supply type hot water cleaning toilet 1c provided with a hot water cleaning device 10c according to a fourth embodiment of the present invention. The difference from the first embodiment is that the case 3 is not provided, the water supply valve 20a that is a two-way valve is used, and a hand-washing pipe 18b for supplying warm water to the warm-water washing toilet seat 4 toward the hand-washing device 15a side. A pipe attachment port 22 for attachment is provided, a hand-washing pipe 18b and a toilet bowl cleaning pipe 19b are provided outside the toilet bowl washing tank 2a, and a hand-washing device 15a is provided at the end of the hand-washing pipe 18b. The other configuration is the same as that of the hot water cleaning apparatus 10 of FIG. The same functions and parts will be described using the same reference numerals.

  The instantaneous hot water type hot water cleaning toilet 1c includes a continuous hot water supply device 11, a control device 12, a buttocks nozzle 13a, a bidet nozzle 13b, and a switching valve 14 that constitute the hot water cleaning device 10c. The hand-washing pipe 18b is connected to the pipe attachment port 22 and is provided outside the toilet bowl washing tank 2a. The toilet flushing pipe 19b is branched from the water supply channel 16 and provided outside the toilet flushing tank 2a. At the end of the hand-washing pipe 18b, a hand-washing device 15a having a shower 23 dedicated to hand-washing is provided.

  The hot water cleaning device 10 c generates hot water by heating the water supplied from the water supply passage 16 with the heater 17 of the continuous hot water supply device 11. The hot water generated by the continuous hot water supply device 11 is sent to the switching valve 14, and the switching valve 14 handwashes the hot water to the buttocks nozzle 13 a and the bidet nozzle 13 b through the hand-washing pipe 18 b connected to the pipe attachment port 22. Sent to the device 15a. The flow path of the switching valve 14 is configured such that the flow rate to the buttocks nozzle 13a and the bidet nozzle 13b (about 450 cc / min) is different from the flow rate of hot water to the hand-washing device 15 (about 1000 cc / min). .

  The operation at the time of local washing and the operation at the time of hand washing of the hot water washing apparatus 10c are the same as those in the first embodiment.

  The hot water washing apparatus 10c has the same effect as that of the first embodiment, but the hot water washing toilet seat 4 is provided with a pipe attachment port 22 for attaching a hand washing pipe 18b for supplying warm water to the hand washing apparatus 15a. By providing the toilet cleaning pipe 19b outside the toilet cleaning tank 2a, it becomes easy to improve the existing warm water cleaning toilet seat and provide the hot water cleaning device 10c. Further, by using the hand-washing faucet 15a as a dedicated shower 23, the feeling of washing can be improved even with a small flow rate.

  FIG. 6 is an explanatory diagram showing a water supply circuit of the hot water cleaning apparatus 10d. The hot water cleaning apparatus 10d is an improvement of the hot water cleaning apparatus 10 of the first embodiment shown in FIG. 1, and the same functions and parts will be described using the same reference numerals. The difference from the hot water cleaning apparatus 10 of the first embodiment is that a tank provided with a human detection means 24 for detecting that a person has entered the toilet room and a heater 25 for receiving a signal from the human detection means 24 and heating the water supply. 26.

(Operation during local cleaning)
When a signal from the person detecting means 24 for detecting that a person has entered the toilet room is sent to the control device 12, the control device 12 starts supplying power to the heater 25. Water in the tank 26 is heated by the heater 25. When the user operates a switch (not shown) of the buttocks nozzle 13a or the bidet nozzle 13b, the control device 12 opens the water supply valve 20 to the continuous hot water supply device 11 side, and the hot water in the tank 26 is supplied to the continuous hot water supply device 11. Sent to. The hot water sent to the continuous hot water supply device 11 is further heated by the heater 17 to a temperature suitable for the buttocks cleaning and the bidet cleaning. The hot water generated by the continuous hot water supply device 11 is sent only to the butting nozzle 13a or the bidet nozzle 13b via the switching valve 14 and used for local cleaning of the user.

(Operation when washing hands)
When the user operates a hand-washing switch (not shown) after the local cleaning, the control device 12 opens the water supply valve 20 toward the continuous hot water supply device 11, and the hot water in the tank 26 is sent to the continuous hot water supply device 11. Is further heated to a temperature suitable for hand washing. The hot water generated by the continuous hot water supply device 11 is sent only to the hand washing device 15 via the hand washing pipe 18 by the switching valve 14. The warm water sent to the hand washing device 15 is discharged from the faucet 21.

  The hot water washing apparatus 10d has the same effect as that of the first embodiment. However, by using the human detection means 24 and the tank 26 provided with the heater 25, the capacity required for local washing and hand washing as in the prior art is achieved. Since a tank for storing hot water is unnecessary, the size of the tank 26 can be reduced. In addition, since hot water is generated after detecting that a person has entered the toilet room, heat dissipation outside the tank can be suppressed as compared with the prior art, and standby power can be suppressed and power consumption can be reduced. In addition, the temperature and amount of hot water during local washing and hand washing can be secured.

  FIG. 7 is an explanatory diagram showing a water supply circuit of the hot water cleaning apparatus 10e. The hot water cleaning apparatus 10e is an improvement of the hot water cleaning apparatus 10 of the first embodiment shown in FIG. 1, and the same functions and parts will be described using the same reference numerals. The difference from the hot water cleaning apparatus 10 of the first embodiment is that a tank provided with a human detection means 24 for detecting that a person has entered the toilet room and a heater 25 for receiving a signal from the human detection means 24 and heating the water supply. 26, and a switching valve 27 is provided between the tank 26 and the continuous hot water supply device 11 to enable water supply from the water supply passage 28.

(Operation during local cleaning)
When a signal from the person detecting means 24 for detecting that a person has entered the toilet room is sent to the control device 12, the control device 12 starts supplying power to the heater 25. Water in the tank 26 is heated by the heater 25. When the user operates the switch (not shown) of the buttocks nozzle 13a or the bidet nozzle 13b, the control device 12 operates the switching valve 27 to supply water to the continuous hot water supply device 11 from the water supply passage 28. The water supplied to the continuous hot water supply device 11 is heated by the heater 17 to a temperature suitable for the butt cleaning and the bidet cleaning. The hot water generated by the continuous hot water supply device 11 is sent only to the butting nozzle 13a or the bidet nozzle 13b via the switching valve 14 and used for local cleaning of the user.

(Operation when washing hands)
When the user operates a hand-washing switch (not shown) after the local cleaning, the water supply valve 20 opens to the continuous hot water supply device 11 side. The hot water in the tank 26 is sent to the continuous hot water supply device 11 and further heated to a temperature suitable for hand washing by the heater 17. The hot water generated by the continuous hot water supply device 11 is sent only to the hand washing device 15 via the hand washing pipe 18 by the switching valve 14. The warm water sent to the hand washing device 15 is discharged from the faucet 21.

  The hot water washing apparatus 10e has the same effect as that of the first embodiment, but generates hot water after detecting that a person has entered the toilet room, and therefore suppresses heat radiation outside the tank 26 as compared with the prior art. This can reduce standby power consumption and power consumption. Moreover, since the continuous hot water supply apparatus 11 is supplied with hot water from the tank 26 only at the time of hand washing, it is possible to secure a flow rate of hot water (about 1000 cc / min) necessary for hand washing.

  FIG. 8 is an explanatory diagram illustrating a configuration of the hot water cleaning device 10f according to the seventh embodiment. The hot water washing apparatus 10f is provided with a local washing switch 29 and a hand washing switch 30 in the hot water washing toilet seat 4 of the hot water washing apparatus 10 of FIG. The same functions and parts will be described using the same reference numerals.

(Operation during local cleaning)
When the user operates the local washing switch 29 of the buttocks nozzle 13a or the bidet nozzle 13b, the control device 12 opens the water supply valve 20 to the continuous hot water supply device 11 side to start water supply from the water supply passage 16 and continuously. Water is supplied to the hot water supply device 11. The water supply sent to the continuous hot water supply device 11 is heated by the heater 17 to a temperature suitable for the buttocks cleaning and the bidet cleaning. The hot water generated by the continuous hot water supply device 11 is sent only to the butting nozzle 13a or the bidet nozzle 13b via the switching valve 14 and used for local washing of the user.

(Operation when washing hands)
When the user operates the hand-washing switch 30 after the local cleaning, the control device 12 opens the water supply valve 20 to the continuous hot water supply device 11 side, and the water supply from the water supply path 16 is sent to the continuous hot water supply device 11 by the heater 17. Heated to a temperature suitable for hand washing. The hot water generated by the continuous hot water supply device 11 is sent only to the hand washing device 15 via the hand washing pipe 18 by the switching valve 14. The warm water sent to the hand washing device 15 is discharged from the faucet 21.

  In the hot water washing apparatus 10f, in addition to the same effects as those of the first embodiment, the user can easily select a desired operation by the local washing switch 29 and the hand washing switch 30 provided in the hot water washing toilet seat 4.

  FIG. 9 is an explanatory diagram illustrating a configuration of a hot water cleaning device 10g according to the eighth embodiment. The hot water washing apparatus 10g is provided with the local washing switch 29 in the hot water washing toilet seat 4 of the hot water washing apparatus 10 of FIG. 1 and the hand washing switch 30a in the hand washing apparatus 15, and the other configuration is the same as the hot water washing toilet seat 10. . The same functions and parts will be described using the same reference numerals.

(Operation during local cleaning)
When the user operates the local washing switch 29 of the buttocks nozzle 13a or the bidet nozzle 13b, the control device 12 opens the water supply valve 20 to the continuous hot water supply device 11 side and starts water supply from the water supply path 16 to continue. Water is supplied to the hot water supply device 11. The water supplied to the continuous hot water supply device 11 is heated by the heater 17 to a temperature suitable for the buttocks cleaning and the bidet cleaning. The hot water generated by the continuous hot water supply device 11 is sent only to the butting nozzle 13a or the bidet nozzle 13b via the switching valve 14 and used for local cleaning of the user.

(Operation when washing hands)
When the user operates the hand-washing switch 30 a provided in the hand-washing device 15 after the local washing, the control device 12 opens the water supply valve 20 toward the continuous hot water supply device 11, and the water supply from the water supply path 16 is supplied to the continuous hot water supply device 11. It is sent and heated by the heater 17 to a temperature suitable for hand washing. The hot water generated by the continuous hot water supply device 11 is sent only to the hand washing device 15 via the hand washing pipe 18 by the switching valve 14. The warm water sent to the hand washing device 15 is discharged from the faucet 21.

  In the warm water washing apparatus 10g, in addition to the same effects as in the first embodiment, the user can easily select a desired operation by the local washing switch 29 and the hand washing switch 30a provided in the warm water washing toilet seat 4. Moreover, since the hand-washing switch 30a is provided in the hand-washing apparatus 15, it can prevent that a user operates by mistake with the local washing switch 29. FIG. Further, since the hot water cleaning toilet seat 4 has only the local cleaning switch 29, the space of the hot water cleaning toilet seat 4 can be effectively utilized.

  FIG. 10 is an explanatory diagram illustrating a configuration of a hot water cleaning device 10 h according to the ninth embodiment. The hot water washing apparatus 10h has a configuration in which a local washing switch 29 is provided in the hot water washing toilet seat 4 of the hot water washing apparatus 10 of FIG. 1 and water is discharged from the faucet 21 for a certain period of time after leaving the toilet seat 31 by a seating sensor 32 provided in the toilet bowl 31. The other configuration is the same as that of the warm water washing toilet seat 10. The same functions and parts will be described using the same reference numerals.

(Operation during local cleaning)
When the user operates the local washing switch 29 of the buttocks nozzle 13a or the bidet nozzle 13b, the control device 12 opens the water supply valve 20 to the continuous hot water supply device 11 side and starts water supply from the water supply path 16 to continue. Water is supplied to the hot water supply device 11. The water supplied to the continuous hot water supply device 11 is heated by the heater 17 to a temperature suitable for the butt cleaning and the bidet cleaning. The hot water generated by the continuous hot water supply device 11 is sent only to the butting nozzle 13a or the bidet nozzle 13b via the switching valve 14 and used for local cleaning of the user.

(Operation when washing hands)
When the user leaves the toilet seat 31 after the local washing, a signal is sent from the seating sensor 32 to the control device 12, and the control device 12 causes the hand washing device 15 to discharge water from the faucet 21 for a certain time (for example, about 10 seconds). Control. At this time, the control device 12 opens the water supply valve 20 toward the continuous hot water supply device 11, and the water supply from the water supply passage 16 is sent to the continuous hot water supply device 11 and heated to a temperature suitable for hand washing by the heater 17. The hot water generated by the continuous hot water supply device 11 is sent only to the hand washing device 15 via the hand washing pipe 18 by the switching valve 14. The warm water sent to the hand washing device 15 is discharged from the faucet 21.

  In the hot water cleaning apparatus 10h, in addition to the same effects as in the first embodiment, the user can perform the local cleaning operation at a desired timing by the local cleaning switch 29 provided in the warm water cleaning toilet seat 4. In addition, since the hot water cleaning device 10h discharges water from the faucet 21 for a certain time (for example, about 10 seconds) in response to a signal from the seating sensor 32 during hand washing, the user is not bothered by the switch operation, and the local cleaning switch 29 and Can prevent misoperation. Further, since the hot water cleaning toilet seat 4 has only the local cleaning switch 29, the space of the hot water cleaning toilet seat 4 can be effectively utilized.

  FIG. 11 is an explanatory diagram showing a water supply circuit of the hot water cleaning apparatus 10i. Since the hot water cleaning apparatus 10i is an improvement of the hot water cleaning apparatus 10 of the first embodiment shown in FIG. 1, the same functions and parts will be described using the same reference numerals. The difference from the hot water cleaning apparatus 10 of the first embodiment is that a water supply valve 20a that is a two-way valve is used, a temperature sensor 33 and a flow sensor 35 are provided between the water supply valve 20a and the continuous hot water supply apparatus 11, and a continuous hot water supply is provided. A temperature sensor 34, an accumulator 37, and a pulsation valve 38 are provided between the device 11 and the switching valve 14, and a temperature fuse 36 is provided in the heater 17 of the continuous hot water supply device 11. The same.

(Operation during local cleaning)
When the user operates a switch (not shown) of the buttocks nozzle 13a or the bidet nozzle 13b, the control device 12 opens the water supply valve 20a to start water supply from the water supply path 16 and supply water to the continuous hot water supply device 11. To do. At this time, the inlet temperature of the continuous hot water supply device 11 is measured by the temperature sensor 33 and the outlet temperature is measured by the temperature sensor 34, and signals from the temperature sensor 33 and the temperature sensor 34 are sent to the control device 12. Further, the flow rate of the water supply is measured by the flow sensor 35, and the signal is sent to the control device 12. The water supply sent to the continuous hot water supply device 11 is a temperature suitable for washing and bidet washing by the heater 17 controlled by the control device 12 based on the signals from the temperature sensor 33 and the temperature sensor 34 and the signal from the flow sensor 35. To be heated. The heater 17 is provided with a thermal fuse 36 to prevent overheating of the feed water. The hot water generated by the continuous hot water supply device 11 flows through the accumulator 37 and the pulsating valve 38 and is sent to the switching valve 14, and is sent from the switching valve 14 to the buttocks nozzle 13 a or the bidet nozzle 13 b.

(Operation when washing hands)
When the user operates a hand-washing switch (not shown) after the local cleaning, the control device 12 opens the water supply valve 20a to start water supply from the water supply passage 16, and supplies water to the continuous hot water supply device 11. At this time, the temperature of the inlet to the continuous hot water supply device 11 is measured by the temperature sensor 33 and the temperature of the outlet is measured by the temperature sensor 34, and signals from the temperature sensor 33 and the temperature sensor 34 are sent to the control device 12. Further, the flow rate of the water supply is measured by the flow sensor 35, and the signal is sent to the control device 12. The water supply sent to the continuous hot water supply device 11 is heated to a temperature suitable for hand washing by the heater 17 controlled by the control device 12 based on the signals from the temperature sensor 33, the temperature sensor 34, and the signal from the flow sensor 35. . The heater 17 is provided with a thermal fuse 36 to prevent overheating of the feed water. The hot water generated by the continuous hot water supply device 11 flows through the accumulator 37 and the pulsation valve 38 and is sent to the switching valve 14, and is sent from the switching valve 14 to the hand washing device 15.

  In addition to the same effects as in the first embodiment, the hot water cleaning apparatus 10i includes the temperature sensor 33, the temperature sensor 34, and the flow rate sensor 35, so that the temperature and flow rate suitable for butt washing, bidet washing, or hand washing can be controlled. In addition, by providing the accumulator 37 and the pulsation valve 38, a sense of strength can be obtained even with a small flow rate by imparting an appropriate pulsation to the water supply during butt washing, bidet washing or hand washing. It is also possible to stop the pulsation and make it soft to wash.

  FIG. 12 is an explanatory diagram showing a water supply circuit of the hot water cleaning apparatus 10j. The hot water cleaning apparatus 10j is an improvement of the hot water cleaning apparatus 10 of the first embodiment shown in FIG. 1, and the same functions and parts will be described using the same reference numerals. The difference from the hot water cleaning apparatus 10 of the first embodiment is that a water supply valve 20a that is a two-way valve is used, a temperature sensor 33 and a flow sensor 35 are provided between the water supply valve 20a and the continuous hot water supply apparatus 11, and a three-way valve. An accumulator 37 and a pulsation valve 38 are provided between the switching valve 14a, which is a three-way valve, and a switching valve 14b, which is a three-way valve. The heater 17 of the continuous hot water supply device 11 is provided with a thermal fuse 36. 10 is the same.

(Operation during local cleaning)
When the user operates a switch (not shown) of the buttocks nozzle 13a or the bidet nozzle 13b, the control device 12 opens the water supply valve 20a to start water supply from the water supply path 16 and supply water to the continuous hot water supply device 11. To do. At this time, the temperature of the inlet to the continuous hot water supply device 11 is measured by the temperature sensor 33 and the temperature of the outlet is measured by the temperature sensor 34, and signals from the temperature sensor 33 and the temperature sensor 34 are sent to the control device 12. Further, the flow rate of the water supply is measured by the flow rate sensor 35, and the signal is sent to the control device 12. The water supply sent to the continuous hot water supply apparatus 11 is a temperature suitable for washing and bidet washing by the heater 17 controlled by the control device 12 based on the signals from the temperature sensor 33, the temperature sensor 34, and the signal from the flow sensor 35. To be heated. The heater 17 is provided with a thermal fuse 36 to prevent excessive temperature rise of the feed water. The hot water generated by the continuous hot water supply device 11 flows through the accumulator 37 and the pulsation valve 38 through the switching valve 14a, is sent to the switching valve 14b, and is sent from the switching valve 14b to the buttocks nozzle 13a or the bidet nozzle 13b.

(Operation when washing hands)
When the user operates a hand-washing switch (not shown) after the local cleaning, the control device 12 opens the water supply valve 20a to start water supply from the water supply passage 16, and supplies water to the continuous hot water supply device 11. At this time, the temperature of the inlet to the continuous hot water supply device 11 is measured by the temperature sensor 33 and the temperature of the outlet is measured by the temperature sensor 34, and signals from the temperature sensor 33 and the temperature sensor 34 are sent to the control device 12. Further, the flow rate of the water supply is measured by the flow sensor 35, and the signal is sent to the control device 12. The water supply sent to the continuous hot water supply device 11 is heated to a temperature suitable for hand washing by the heater 17 controlled by the control device 12 based on the signals from the temperature sensor 33, the temperature sensor 34, and the signal from the flow sensor 35. . The heater 17 is provided with a thermal fuse 36 to prevent overheating of the feed water. The hot water generated by the continuous hot water supply device 11 is sent to the switching valve 14a, and is sent from the switching valve 14a to the hand washing device 15.

  In addition to the same effects as those of the first embodiment, the hot water cleaning apparatus 10j includes the temperature sensor 33, the temperature sensor 34, and the flow rate sensor 35, so that the temperature and flow rate suitable for butt cleaning, bidet cleaning, or hand washing can be controlled. In addition, by providing the accumulator 37 and the pulsation valve 38, it is possible to impart an appropriate pulsation to the water supply during butt washing and bidet washing. Further, since the water supply does not flow through the accumulator 37 and the pulsation valve 38 during hand washing, the temperature drop (heat loss) of the water supply can be prevented. Moreover, by using a three-way valve for the switching valve 14a and the switching valve 14b, cost can be reduced as compared with the case of using a four-way valve.

  FIG. 13 is an explanatory diagram showing a water supply circuit of the hot water cleaning apparatus 10k. Since the hot water cleaning apparatus 10k is an improvement of the hot water cleaning apparatus 10 of the first embodiment shown in FIG. 1, the same functions and parts will be described using the same reference numerals. The difference from the hot water cleaning apparatus 10 of the first embodiment is that a water supply valve 20a that is a two-way valve is used, a temperature sensor 33 and a flow sensor 35 are provided between the water supply valve 20a and the continuous hot water supply apparatus 11, and a three-way valve. An accumulator 37 and a pulsation valve 38 are provided between the switching valve 14a, which is a three-way valve, and a switching valve 14b, which is a three-way valve. The heater 17 of the continuous hot water supply device 11 is provided with a thermal fuse 36. The other configuration is the same as that of the warm water washing toilet seat 10 by discharging water to the washstand 39 located at a position away from the toilet.

(Operation during local cleaning)
When the user operates a switch (not shown) of the buttocks nozzle 13a or the bidet nozzle 13b, the control device 12 opens the water supply valve 20a to start water supply from the water supply path 16 and supply water to the continuous hot water supply device 11. To do. At this time, the temperature of the inlet to the continuous hot water supply device 11 is measured by the temperature sensor 33 and the temperature of the outlet is measured by the temperature sensor 34, and signals from the temperature sensor 33 and the temperature sensor 34 are sent to the control device 12. Further, the flow rate of the water supply is measured by the flow sensor 35, and the signal is sent to the control device 12. The water supply sent to the continuous hot water supply device 11 is a temperature suitable for washing and bidet washing by the heater 17 controlled by the control device 12 based on the signals from the temperature sensor 33, the temperature sensor 34, and the signal from the flow sensor 35. To be heated. The heater 17 is provided with a thermal fuse 36 to prevent overheating of the feed water. The hot water generated by the continuous hot water supply device 11 flows through the accumulator 37 and the pulsation valve 38 through the switching valve 14a, is sent to the switching valve 14b, and is sent from the switching valve 14b to the buttocks nozzle 13a or the bidet nozzle 13b.

(Operation when washing hands)
When the user operates a hand-washing switch (not shown) after the local cleaning, the control device 12 opens the water supply valve 20a to start water supply from the water supply passage 16, and supplies water to the continuous hot water supply device 11. At this time, the temperature of the inlet to the continuous hot water supply device 11 is measured by the temperature sensor 33 and the temperature of the outlet is measured by the temperature sensor 34, and signals from the temperature sensor 33 and the temperature sensor 34 are sent to the control device 12. Further, the flow rate of the water supply is measured by the flow sensor 35, and the signal is sent to the control device 12. The water supply sent to the continuous hot water supply device 11 is heated to a temperature suitable for hand washing by the heater 17 controlled by the control device 12 based on the signals from the temperature sensor 33, the temperature sensor 34, and the signal from the flow sensor 35. . The heater 17 is provided with a thermal fuse 36 to prevent overheating of the feed water. The hot water generated by the continuous hot water supply device 11 is sent to the switching valve 14a, and is sent from the switching valve 14a to the hand washing device 15 provided on the wash basin 39 at a position away from the warm water washing toilet seat 4 by the hand washing pipe 18c.

  In addition to the same effects as in the first embodiment, the hot water cleaning apparatus 10k includes the temperature sensor 33, the temperature sensor 34, and the flow rate sensor 35, so that the temperature and flow rate suitable for butt washing, bidet washing, or hand washing can be controlled. In addition, by providing the accumulator 37 and the pulsation valve 38, it is possible to impart an appropriate pulsation to the water supply during butt washing and bidet washing. Further, since the water supply does not flow through the accumulator 37 and the pulsation valve 38 during hand washing, the temperature drop (heat loss) of the water supply can be prevented. Moreover, by using a three-way valve for the switching valve 14a and the switching valve 14b, cost can be reduced as compared with the case of using a four-way valve. Moreover, the hand-washing with the hand-washing apparatus 15 provided in the wash-stand 39 in the position away from the warm water washing toilet seat 4 by the hand-washing piping 18c is attained.

10 Hot Water Cleaning Device 11 Continuous Hot Water Supply Device 13a Wet Cleaning Nozzle (Local Cleaning Nozzle)
13b Bidet cleaning nozzle (local cleaning nozzle)
14 Switching valve 15 Hand-washing device

Claims (4)

A continuous hot water supply device that generates hot water by heating the water supply from the water supply channel;
A nozzle for local cleaning that spouts out the hot water generated by the continuous hot water supply device,
A hot water washing device comprising a hand washing device for discharging the hot water generated by the continuous hot water supply device from a faucet,
A switching valve is provided on the downstream side of the continuous water heater,
The switching valve switches the flow path so that the hot water generated by the continuous hot water supply device can be communicated only to the local washing nozzle at the time of local washing, and can be communicated only to the hand washing device at the time of hand washing. A warm water cleaning device. The hot water cleaning apparatus according to claim 1, wherein the flow rate of the warm water to the local washing nozzle is different from that of the warm water to the hand washing apparatus. The continuous hot water supply comprising: a human detection means for detecting that a person has entered the toilet room; a heater for heating the water supply in response to a signal from the human detection means; and a tank for storing the water supply heated by the heater. The hot water cleaning apparatus according to claim 1 or 2, wherein the hot water from the tank is supplied to the apparatus. The hot water cleaning apparatus according to claim 3, wherein the continuous hot water supply apparatus is supplied with the hot water from the tank only during hand washing.

Images