JP7015446B2 - Wash basin - Google Patents

Description

The present invention relates to a wash basin, and more particularly to a wash basin capable of discharging tap water and functional water having a sterilizing action.

A wash basin having a function of discharging functional water having a sterilizing action, such as electrolyzed water obtained by electrolyzing tap water, is known. In such a wash basin, after the user uses the wash basin for washing, hand washing, etc., functional water having a sterilizing action is sprayed into the wash basin. That is, when the user uses the wash basin, the user prevents the germs washed away by hand washing etc. from adhering to the wash bowl and propagating the germs on the bowl surface of the wash bowl or on the drain port. After using the washbasin, functional water is sprayed into the washbasin.

Japanese Unexamined Patent Publication No. 2016-108733 (Patent Document 1) describes an automatic faucet device that automatically discharges water when an object to be detected is detected. In this automatic faucet device, when an object to be detected is detected, functional water is sprayed onto a hand-washing bowl for a predetermined time, and then tap water is started to be discharged. After that, when the object to be detected is no longer detected, the spouting of tap water is stopped, and 3 seconds later, the functional water is sprayed again on the hand-washing bowl for a predetermined time. This prevents germs from growing on the bowl surface of the hand-washing bowl and on the drain port.

Japanese Unexamined Patent Publication No. 2016-108733

Here, for example, when brushing teeth in a washbasin, first wet the toothbrush with a small amount of water, and then add water for gargling to the cup. In addition, after brushing your teeth with a toothbrush, gargle and rinse around your mouth, and finally rinse your toothbrush and gargled cup with water. In this way, even if the user simply uses the washbasin to brush his teeth, tap water will be repeatedly spouted and stopped. When considering the actual use of the wash basin, there are extremely many actions such as wetting the shave, washing the shave, washing the face, washing the contact lenses, etc., in which tap water is frequently spouted and stopped.

In this way, if the user uses the wash basin once to spout tap water that is repeated many times and functional water that has a sterilizing effect each time it is stopped, the wash bowl is sterilized. It requires a lot of functional water, which is not preferable from the viewpoint of water saving. In addition, among the above operations, it is unlikely that many germs will adhere to the wash basin, especially in the work of wetting the toothbrush with a small amount of water. Furthermore, even immediately after the toothbrush is wet with water at the start of brushing, tap water is repeatedly spouted due to the operation of washing the toothbrush and the cup, so that the washbasin with the functional water discharged after such work is used. The effect of disinfecting the bowl is almost wasted by the spouting of tap water by the next operation. Further, when functional water having a sterilizing action is generated by electrolyzing tap water, there is a problem that the electrode used for electrolysis is wasted and the life of the electrode is shortened.

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a wash basin capable of keeping a bowl portion clean while suppressing wasteful discharge of functional water. There is.

In order to solve the above-mentioned problems, the present invention is a washbasin capable of discharging tap water and functional water having a sterilizing action, and discharges tap water to a bowl portion having a drain port and the bowl portion. For the first water spouting part for the purpose, the second water spouting part for discharging the functional water having a sterilizing action to the bowl part, and the functional water for switching the water spouting and the water stoppage from the second water spouting part. After the electromagnetic valve and the water discharge from the first water discharge part are completed, the functional water electromagnetic valve is opened to execute the water discharge from the second water discharge part, and the water discharge and stop from the first water discharge part. It has an electromagnetic valve for tap water for switching water and an approach sensor for detecting the approach of the object to be detected to the first water discharge unit, and the control unit has a control unit after the start of water discharge from the first water discharge unit. After executing the work waiting process for a predetermined work equivalent time assumed as the usage time of one wash basin by the user , water is discharged from the second water discharge unit , and the control unit is covered by the proximity sensor. While the approach of the detected object was detected, the tap water electromagnetic valve was opened to discharge the tap water, and the control unit changed the first water discharge unit from the water stop state to the water discharge state. At that time, the work waiting process is started, and the control unit waits for work even when the first water discharge unit shifts to the water discharge state and then changes to the water discharge state again during the execution of the work wait process. After the execution of the work waiting process being executed is completed without re-execution of the process, water is discharged from the second water discharge unit, and the control unit receives the first water discharge unit at the end of the work waiting process. In the case of a water discharge state, it is characterized in that water is discharged from the second water discharge portion after the first water discharge portion is in the water discharge state .

In the present invention configured as described above, tap water is discharged from the first water discharge portion to the bowl portion having a drain port. On the other hand, the control unit controls the solenoid valve for the functional water to switch between discharging and stopping the functional water having a sterilizing action from the second water discharging unit. Further, the control unit executes a work waiting process for a predetermined work equivalent time after the start of water discharge from the first water discharge unit or the end of water discharge from the first water discharge unit, and then the second water discharge unit. Perform water spouting from.

According to the present invention configured as described above, after the start of spouting water from the first spouting portion or the end of spouting water, over a predetermined work equivalent time assumed as the usage time of one wash basin by the user. After executing the work waiting process, water is discharged from the second water discharge unit. As a result, it is possible to reduce the situation where the functional water is discharged from the second water discharge portion while the user is using the wash basin. That is, when the functional water is discharged while the user is using the wash basin, the water is discharged from the first water discharge portion again immediately after the discharge of the functional water, and various germs adhere to the bowl portion again. There is a high possibility that the water will be discharged, and the discharged functional water will be wasted. According to the present invention, it is possible to avoid such waste of functional water, and it is possible to effectively suppress the growth of various germs in the bowl portion and the drain port while saving water. Further, when the electrolyzed water is used as the functional water, the waste of the electrolyzed water is suppressed, so that it is possible to suppress the consumption of electrodes and the like for generating the electrolyzed water and the wasteful consumption of electric power.

According to the present invention configured as described above, the work waiting process is started when the first water discharge portion changes from the water discharge state to the water discharge state, and after waiting for the end of the work waiting process, the functional water is discharged. Therefore, for example, it is possible to prevent the functional water from being wasted because the functional water is discharged immediately after the hand is wetted with water at the beginning of hand washing or immediately after the toothbrush is wetted with water at the beginning of toothpaste. can. As a result, it is possible to effectively suppress the growth of various germs while suppressing the waste of functional water.

According to the present invention configured as described above, even if the first water discharge unit shifts to the water discharge state and then changes to the water discharge state again during the execution of the work waiting process, the work waiting process is performed. Water discharge from the second water discharge unit is executed without re-execution. Therefore, even if the work waiting process is set to a relatively long time, the work waiting process is re-executed many times due to water discharge or water stoppage during the work waiting process, and the functional water is discharged. It is possible to prevent the frequency of the above from being significantly reduced. As a result, it is possible to effectively suppress the growth of various germs while avoiding the waste of functional water.
Further, according to the present invention configured as described above, when the first water discharge portion is in the water discharge state at the end of the work waiting process, after the first water discharge portion is in the water discharge state, the water discharge portion is stopped. Since the water is discharged from the second water discharge unit, the water from the first water discharge unit and the functional water are discharged at the same time, and it is possible to prevent the functional water from being wasted.

Further, the present invention is a wash basin capable of discharging tap water and functional water having a sterilizing action, and has a bowl portion having a drain port and a first water discharge portion for discharging tap water into the bowl portion. A second water discharge part for discharging functional water having a sterilizing action to the bowl part, a functional water electromagnetic valve for switching between water discharge and water stoppage from the second water discharge part, and a first. After the water discharge from the water discharge unit is completed, the functional water electromagnetic valve is opened to switch between the control unit that executes the water discharge from the second water discharge unit and the tap water for switching between the water discharge and the water stoppage from the first water discharge unit. It has an electromagnetic valve for use and an approach sensor that detects the approach of the object to be detected to the first water discharge unit, and the control unit has one washbasin by the user after the start of water discharge from the first water discharge unit. After executing the work waiting process for a predetermined work equivalent time assumed as the usage time of the table, water is discharged from the second water discharge unit, and the control unit detects the approach of the object to be detected by the approach sensor. During this period, the electromagnetic valve for tap water is opened and the tap water is discharged, and the control unit starts the work waiting process when the first water discharge unit changes from the water discharge state to the water discharge state. Then, when the first water discharge unit shifts to the water discharge state and then changes to the water discharge state again during the execution of the work waiting process, the control unit re-executes the work waiting process and is executing. It is characterized in that water is discharged from the second water discharge unit after the work waiting process is completed .

According to the present invention configured as described above, during the execution of the work waiting process, when the water stop state is entered and then the water discharge state is changed again, the work waiting process is re-executed. Therefore, even if the work waiting process is set to a relatively short time, the functional water is discharged before the user finishes using the wash basin once, and the functional water is wasted. Can be prevented. As a result, the growth of various germs can be effectively suppressed by using a small amount of functional water.

Further, the present invention is a wash basin capable of discharging tap water and functional water having a sterilizing action, and has a bowl portion having a drain port and a first water discharge portion for discharging tap water into the bowl portion. A second water discharge part for discharging functional water having a sterilizing action to the bowl part, a functional water electromagnetic valve for switching between water discharge and water stoppage from the second water discharge part, and a first. After the water discharge from the water discharge unit is completed, the functional water electromagnetic valve is opened to switch between the control unit that discharges water from the second water discharge unit and the tap water for switching between the water discharge from the first water discharge unit and the water stoppage. It has an electromagnetic valve for use and an approach sensor that detects the approach of the object to be detected to the first water discharge unit, and the control unit has one washbasin by the user after the water discharge from the first water discharge unit is completed. After executing the work waiting process for a predetermined work equivalent time assumed as the usage time of the table, water is discharged from the second water discharge unit, and the control unit detects the approach of the object to be detected by the approach sensor. During this period, the electromagnetic valve for tap water is opened and the tap water is discharged, and the control unit starts the work waiting process when the first water discharge unit changes from the water discharge state to the water stop state. However, even if the first water discharge unit shifts to the water discharge state and then changes to the water stop state again during the execution of the work waiting process, the control unit does not re-execute the work waiting process. After the above-mentioned work waiting process being executed is completed, water is discharged from the second water discharge unit, and the control unit determines that the first water discharge unit is in a water discharge state at the end of the work waiting process. It is characterized in that water is discharged from the second water discharge part after the first water discharge part is stopped .

According to the present invention configured as described above, the work waiting process is started when the first water discharge portion changes from the water discharge state to the water stop state, and after waiting for the end of the work waiting process, the functional water is discharged. Therefore, for example, it is possible to prevent the functional water from being wasted because the functional water is discharged immediately after the hand is wetted with water at the beginning of hand washing or immediately after the toothbrush is wetted with water at the beginning of toothpaste. can. As a result, it is possible to effectively suppress the growth of various germs while suppressing the waste of functional water.

According to the present invention configured as described above, even if the process shifts to the detection state during the execution of the work waiting process and then changes to the non-detection state again, the work waiting process is not re-executed. Water discharge from the second water discharge unit is executed. Therefore, even if the work waiting process is set to a relatively long time, the work waiting process is re-executed many times due to water discharge or water stoppage during the work waiting process, and the functional water is discharged. It is possible to prevent the frequency of the above from being significantly reduced. As a result, it is possible to effectively suppress the growth of various germs while avoiding the waste of functional water.
Further, according to the present invention configured as described above, when the first water discharge portion is in the water discharge state at the end of the work waiting process, after the first water discharge portion is in the water discharge state, the water discharge portion is stopped. Since the water is discharged from the second water discharge unit, the water from the first water discharge unit and the functional water are discharged at the same time, and it is possible to prevent the functional water from being wasted.

Further, the present invention is a wash basin capable of discharging tap water and functional water having a sterilizing action, and has a bowl portion having a drain port and a first water discharge portion for discharging tap water into the bowl portion. A second water discharge part for discharging functional water having a sterilizing action to the bowl part, a functional water electromagnetic valve for switching between water discharge and water stoppage from the second water discharge part, and a first. After the water discharge from the water discharge unit is completed, the functional water electromagnetic valve is opened to switch between the control unit that executes the water discharge from the second water discharge unit and the tap water for switching between the water discharge and the water stoppage from the first water discharge unit. It has an electromagnetic valve for use and an approach sensor that detects the approach of the object to be detected to the first water discharge unit, and the control unit has one washbasin by the user after the water discharge from the first water discharge unit is completed. After executing the work waiting process for a predetermined work equivalent time assumed as the usage time of the table, water is discharged from the second water discharge unit, and the control unit detects the approach of the object to be detected by the approach sensor. During this period, the electromagnetic valve for tap water is opened and the tap water is discharged, and the control unit starts the work waiting process when the first water discharge unit changes from the water discharge state to the water stop state. Then, when the first water discharge unit shifts to the water discharge state and then changes to the water stop state again during the execution of the work waiting process, the control unit re-executes the work waiting process and is executing. It is characterized in that water is discharged from the second water discharge unit after the work waiting process is completed .

According to the present invention configured as described above, when the water discharge state is entered during the execution of the work waiting process and then the water discharge state is changed again, the work waiting process is re-executed. Therefore, even if the work waiting process is set to a relatively short time, the functional water is discharged before the user finishes using the wash basin once, and the functional water is wasted. Can be prevented. As a result, the growth of various germs can be effectively suppressed by using a small amount of functional water.

In the present invention, preferably, when the first water discharge unit is in a water stop state after the work waiting process is completed, the control unit waits for the elapse of a predetermined standby time and then from the second water discharge unit. Start spouting.

According to the present invention configured as described above, when the first water discharge unit is in a water stop state after the work waiting process is completed, the second water discharge unit waits for the elapse of a predetermined waiting time. Since the water discharge is started, it is necessary to prevent unnecessary functional water from being discharged when the user stops the water discharge from the first water discharge part and then immediately restarts the water discharge. Can be done. As a result, the growth of various germs can be effectively suppressed by using a small amount of functional water.

In the present invention, preferably, the control unit discharges water from the second water discharge unit during the water discharge from the second water discharge unit when the first water discharge unit shifts from the water stop state to the water discharge state. After stopping and the first water discharge unit is in the water stop state, water discharge from the second water discharge unit is started again.

According to the present invention configured as described above, when the first spouting portion is in the spouting state during the spouting from the second spouting portion, the spouting from the second spouting portion is stopped. Therefore, it is possible to prevent the water from the first water discharge unit and the functional water from being discharged at the same time and the functional water from being wasted. Further, since the water discharge from the second water discharge unit is started again after the water discharge unit is stopped, the functional water can be reliably discharged and the growth of various germs can be suppressed.
Further, in the present invention, the work equivalent time for executing the work waiting process is preferably set to a time between 5 minutes and 60 minutes.
According to the present invention configured as described above, after changing from the detected state to the non-detected state, the function water is discharged after waiting for 5 to 60 minutes as the work equivalent time, so that the water can be used. It is possible to increase the probability that the functional water can be discharged after one use of the wash basin by the person is completed.

According to the wash basin of the present invention, the bowl portion can be kept clean while suppressing unnecessary spouting of functional water.

It is a perspective view which shows the appearance of the whole wash basin by 1st Embodiment of this invention. It is an enlarged perspective view which shows the faucet apparatus unit provided in the wash basin of 1st Embodiment of this invention. It is a perspective view of the faucet device unit provided in the wash basin of 1st Embodiment of this invention as seen from diagonally below. It is a block diagram which shows the water discharge system in the wash basin by 1st Embodiment of this invention. It is a control flowchart of the solenoid valve for functional water by the controller provided in the wash basin of 1st Embodiment of this invention. It is a time chart which shows an example of the control by the controller provided in the wash basin of 1st Embodiment of this invention. It is a time chart which shows the other example of the control by the controller provided in the wash basin of 1st Embodiment of this invention. It is a time chart which shows the other example of the control by the controller provided in the wash basin of 1st Embodiment of this invention. It is a time chart which shows an example of the control by the controller provided in the wash basin of the 2nd Embodiment of this invention. It is a time chart which shows the other example of the control by the controller provided in the wash basin of the 2nd Embodiment of this invention. It is a time chart which shows the other example of the control by the controller provided in the wash basin of the 2nd Embodiment of this invention. It is a control flowchart of the solenoid valve for functional water by the controller provided in the wash basin of the 3rd Embodiment of this invention. It is a time chart which shows an example of the control by the controller provided in the wash basin of the 3rd Embodiment of this invention. It is a time chart which shows the other example of the control by the controller provided in the wash basin of the 3rd Embodiment of this invention. It is a time chart which shows the other example of the control by the controller provided in the wash basin of the 3rd Embodiment of this invention. It is a time chart which shows the other example of the control by the controller provided in the wash basin of the 3rd Embodiment of this invention. It is a time chart which shows the other example of the control by the controller provided in the wash basin of the 3rd Embodiment of this invention. It is a control flowchart of the solenoid valve for functional water by the controller provided in the wash basin of 4th Embodiment of this invention. It is a time chart which shows an example of the control by the controller provided in the wash basin of the 4th Embodiment of this invention. It is a time chart which shows the other example of the control by the controller provided in the wash basin of the 4th Embodiment of this invention. It is a time chart which shows the other example of the control by the controller provided in the wash basin of the 4th Embodiment of this invention. It is a time chart which shows the other example of the control by the controller provided in the wash basin of the 4th Embodiment of this invention. It is a figure which shows the operation part of the faucet device in the washbasin of the modified embodiment of this invention.

Next, preferred embodiments of the present invention will be described with reference to the accompanying drawings.
First, with reference to FIGS. 1 to 4, the overall configuration of the washbasin according to the first embodiment of the present invention will be described. FIG. 1 is a perspective view showing the appearance of the entire washbasin according to the first embodiment of the present invention. FIG. 2 is an enlarged perspective view showing a faucet device unit provided in the washbasin according to the first embodiment of the present invention. FIG. 3 is a perspective view of the faucet device unit as viewed from diagonally below. FIG. 4 is a block diagram showing a water discharge system in a washbasin according to the first embodiment of the present invention.

As shown in FIG. 1, the washbasin 1 according to the first embodiment of the present invention is provided in the bowl portion 2, the faucet device unit 4 arranged above the bowl portion 2, and below the bowl portion 2. It has a lower cabinet 6 that supports the bowl portion 2 and an upper cabinet 8 that is arranged above the faucet unit 4.

The bowl portion 2 is a substantially rectangular wash basin arranged so as to receive tap water discharged from the faucet device unit 4, and a drain port 2a is provided at the center and the back side thereof. In addition, in this specification, "tap water" shall include not only city water provided by a water supply company but also well water used for washing a washbasin, hand washing, etc.

The faucet device unit 4 is a rectangular parallelepiped unit attached to the wall surface above the bowl portion 2, and automatically discharges tap water from the first water discharge portion 4a provided on the lower surface thereof toward the bowl portion 2. It has a built-in faucet. The detailed function and structure of the faucet device unit 4 will be described later.

The lower cabinet 6 is a cabinet arranged below the bowl portion 2 and supporting the bowl portion 2, and is provided with two drawers. Further, inside the lower cabinet 6, devices such as a solenoid valve for switching tap water discharge and stop are housed. Details of the equipment housed in the lower cabinet 6 will be described later.
The upper cabinet 8 is a thin cabinet provided on the wall surface above the faucet device unit 4, and a mirror is attached to the front surface thereof.

Next, the configuration of the faucet device unit 4 will be described with reference to FIGS. 2 and 3.
As shown in FIG. 2, the faucet device unit 4 includes a first water discharge unit 4a, a second water discharge unit 4b, a flow control / temperature control valve 10, an operation switch 12, and a touch switch 14. The lighting LED 16 and the like are provided.

The first water discharge portion 4a is composed of a cylindrical member provided diagonally forward in the center of the lower surface of the faucet device unit 4, and tap water used for washing, hand washing, etc. is directed toward the bowl portion 2. It is configured to discharge. Further, an approach sensor 18 is provided on the front side surface of the first water discharge portion 4a, and is configured to detect the approach of an object to be detected such as a finger to the first water discharge portion 4a. In the present embodiment, the proximity sensor 18 is an infrared sensor, and is configured to detect infrared rays reflected by a finger or the like approaching the first water discharge portion 4a to detect the approach of the finger or the like. ing. As the proximity sensor, any non-contact type sensor such as an infrared type sensor or a microwave type sensor can be used. In the present embodiment, the first water discharge unit 4a is a pull-out type and is configured to be able to be pulled out from the faucet device unit 4.

The second water discharge unit 4b is a water discharge unit provided on the side and in the vicinity of the first water discharge unit 4a, and sprays (discharges) functional water having a sterilizing action toward the bowl portion 2 at a predetermined timing. ) Is configured to.

The flow control / temperature control valve 10 is a so-called "single lever faucet" capable of mixing the supplied hot water and water at a predetermined ratio and adjusting the outflow rate of the mixed hot water, and is a faucet device. It is housed in the right end of the unit 4. An operating lever 10a is attached to the flow control / temperature control valve 10, and the operating lever 10a projects downward from the lower surface of the faucet device unit 4. In the present embodiment, the flow rate of the hot water discharged from the first water discharge unit 4a can be adjusted by operating the operation lever 10a in the front-rear direction, and the temperature of the hot water can be adjusted by operating the operation lever 10a in the left-right direction. ..

The operation switch 12 is a switch provided on the front left side of the faucet device unit 4. By operating the operation switch 12, the lighting LED 16 can be switched on and off, and the function of discharging the functional water from the second water discharge unit 4b can be switched on and off.
The touch switch 14 is a switch provided on the front right side of the faucet device unit 4. By operating the touch switch 14, it is possible to switch whether or not to automatically perform water discharge and stop from the first water discharge unit 4a as an automatic faucet.
The lighting LEDs 16 are LEDs provided at two locations on the lower surface and the back side of the faucet device unit 4, and are configured to illuminate the hands of the user who uses the wash basin 1.

Next, with reference to FIG. 4, the water supply / hot water supply system in the washbasin 1 according to the first embodiment of the present invention will be described.
As shown in FIG. 4, in the water supply system, in order from the upstream side, a water supply pipe 20a for supplying tap water, a water stop valve 22a for shutting off tap water, and foreign matter mixed in tap water are removed. 24a and a water electromagnetic valve 28a, which is a tap water electromagnetic valve for switching between discharge and stop of tap water from the first water discharge unit 4a, are provided. Similarly, in the hot water supply system, in order from the upstream side, a hot water supply pipe 20b for supplying hot water from a water heater (not shown) and the like, a water stop valve 22b for shutting off hot water, and a foreign matter mixed in are removed. The filter 24b and the hot water solenoid valve 28b, which is a tap water solenoid valve for switching the discharge and stop of hot water from the first water discharge unit 4a, are provided.

The water and hot water supplied through these water supply systems and hot water supply systems are mixed at a predetermined ratio by the flow control / temperature control valve 10, and are discharged from the first water discharge unit 4a.

Further, the solenoid valve 28a for water and the solenoid valve 28b for hot water are configured so that the valve opening and closing are controlled by the controller 40 which is a control unit. That is, the detection signal by the proximity sensor 18 is sent to the controller 40. The controller 40 sends a signal to the water solenoid valve 28a and the hot water solenoid valve 28b while the object to be detected such as a finger is close to the first water discharge portion 4a, opens the valve, and causes the valve to be opened from the water discharge portion 4a. Discharge hot water. Further, from the time when the proximity sensor 18 detects the object to be detected and opens the water solenoid valve 28a and the hot water solenoid valve 28b, the controller 40 stops detecting the object to be detected and closes them. It has a built-in timer that measures the time of. In the present embodiment, the controller 40 is composed of a microprocessor, a memory, an interface circuit, a solenoid valve drive circuit, software for operating these, and the like (not shown above). Further, the controller 40 is operated by the electric power supplied from the AC power supply 42.

Next, the generation and discharge system of the functional water discharged from the second water discharge unit 4b will be described.
As shown in FIG. 4, tap water supplied from the water supply pipe 20a is branched into two pipelines on the downstream side of the filter 24a, one is connected to the water solenoid valve 28a, and the other is the functional water solenoid valve. It is connected to 30. As will be described below, functional water having a sterilizing action is generated from tap water that has passed through the solenoid valve 30 for functional water, and is discharged from the second water discharge unit 4b. The controller 40 controls the opening and closing of the functional water solenoid valve 30 by the control signal, opens the functional water solenoid valve 30 at a predetermined timing, and discharges the functional water from the second water discharge unit 4b. ..

A pressure regulating valve 32, a safety valve 34, a check valve 36, and an electrolytic cell 38 are connected to the downstream side of the solenoid valve 30 for functional water in this order from the upstream side.
The pressure regulating valve 32 is configured to adjust the pressure of tap water flowing in from the solenoid valve 30 for functional water and let it flow out. The tap water flowing in from the solenoid valve 30 for functional water is adjusted to a pressure suitable for being atomized and sprayed from the second water discharge portion 4b by the pressure regulating valve 32.

The safety valve 34 is configured to allow tap water in the pipeline to escape to the downstream side of the water solenoid valve 28a when the pressure in the pipeline for supplying functional water becomes equal to or higher than a predetermined pressure. For example, when the spout of the second spouting portion 4b is blocked and the pressure in the pipeline rises sharply, the safety valve 34 is opened and the water in the pipeline is used for water via the bypass flow path 34a. It flows out to the pipeline on the downstream side of the solenoid valve 28a. Since the tap water that has passed through the bypass flow path 34a is discharged from the first water discharge portion 4a through the flow control / temperature control valve 10, it is necessary to prevent the pressure in the pipeline from rising above a predetermined pressure. Can be done.
The check valve 36 is provided in the pipeline between the safety valve 34 and the electrolytic cell 38, and is configured to prevent the electrolyzed water in the electrolytic cell 38 from flowing back to the safety valve 34 side.

The electrolytic cell 38 is configured to electrolyze the supplied tap water to generate electrolyzed water which is a functional water. The controller 40 controls energization and stopping of the electrolytic cell 38, and applies a voltage between electrodes (not shown) in the electrolytic cell 38 at a predetermined timing to generate electrolyzed water. The electrolyzed water used in this embodiment may be any water having a sterilizing function obtained by electrolysis. A typical example of electrolyzed water is electrolyzed water containing hypochlorous acid. Generally, clean water or reclaimed water contains chlorine ions, so free chlorine is generated by electrolysis. Free chlorine exists as hypochlorous acid (HClO) in acidity, and in this form, it has about 10 times stronger bactericidal activity than hypochlorite ion ( ^ClO- ), which is an alkaline existence form. Moreover, even if it is neutral, a strong bactericidal power in the middle can be obtained. Therefore, the water electrolyzed in the continuous electrolysis tank is sterilizing water having a strong sterilizing power.

As mentioned above, tap water (tap water or medium water) that is generally used contains chloride ions, but when used in areas where the concentration of chloride ions is low or when strong bactericidal action is required. Chloride ions can be supplemented by adding chloride such as salt to the water.

As the electrode used for chlorine generation, one in which a chlorine generation catalyst is supported on a conductive base material or a conductive material made of a chlorine generation catalyst is used. Depending on the type of chlorine generation catalyst, for example, iron-based electrodes such as ferrite, palladium-based electrodes, ruthenium-based electrodes, iridium-based electrodes, platinum-based electrodes, ruthenium-tin-based electrodes, palladium-platinum-based electrodes, and iridium-platinum-based electrodes. , Luthenium-platinum-based electrodes, iridium-platinum-tantal-based electrodes, etc. A conductive substrate on which a catalyst for chlorine generation is supported is advantageous in terms of manufacturing cost because the substrate portion that bears the structure can be made of an inexpensive material such as titanium or stainless steel.

In addition to chlorine, it may be hypochlorous acid obtained by electrolyzing water containing halogen ions.
Examples of other electrolyzed water include silver ionized water obtained by using silver as an electrode. It is said that silver ions are adsorbed on the enzyme in the cell membrane of the bacterium and inhibit the action of the enzyme, so that the bacterium cannot sustain its life. It also has the effect of coating the surface of the substrate that comes into contact with it, making it difficult for bacteria to grow on the surface of the substrate. Since silver ions can coat the surface of the substrate to prevent the adhesion of bacteria and have bactericidal activity, the growth of bacteria on the surface of the substrate can be effectively suppressed. At that time, by combining with a cleaning method that increases the replacement rate of the drain trap, it is possible to suppress the sliminess and odor of the drain port for a long period of time.

In addition, by using lead dioxide (β type) as an electrode for electrolysis, various types of electrolyzed water such as ozone water, which generates high-concentration ozone along with the generation of oxygen on the anode side, can be suitably used. Is.

Further, examples of the sterilized water other than the electrolyzed water include an aqueous solution in which various sterilizing components are dissolved. As the sterilizing component to be dissolved, any of solid, liquid and gas may be used. When a liquid sterilizing component is used, for example, ethanol, alcohols such as isopropanol, hydrogen peroxide, or the like may be applied. When a gas sterilizing component is used, for example, ozone water may be produced by dissolving ozone as fine bubbles in water. When a solid sterilizing component is used, for example, sodium hypochlorite or the like may be applied.

The various electrolyzed water and sterilized water as described above correspond to the "functional water" in the present invention. Here, in the present specification, the word "sterilization" not only means to reduce bacteria (in this case, it includes not only the meaning of removing and reducing bacteria but also the meaning of killing and reducing bacteria). It is used as a broad concept that includes the meaning of suppressing the growth of bacteria even if it does not reduce. The "functional water" in the present invention means water in which a sterilizing function in this sense is added to ordinary water by a predetermined treatment.
In the present embodiment, an example in which electrolyzed water is used as the functional water in the present invention will be described, but instead of electrolyzed water, the above-mentioned sterilized water other than electrolyzed water may be used. Needless to say.

Next, the operation of the washbasin 1 according to the first embodiment of the present invention will be described with reference to FIGS. 5 to 8.
FIG. 5 is a control flowchart of the functional water solenoid valve 30 by the controller 40. FIG. 6 is a time chart showing an example of control by the controller 40, in order from the top, presence / absence of detection by the proximity sensor 18, opening / closing of the solenoid valve 28a for water and the solenoid valve 28b for hot water, and the solenoid valve 30 for functional water. It shows the opening and closing of each. 7 and 8 are time charts showing other examples of control by the controller 40.
The control flowchart shown in FIG. 5 is activated when the approach sensor 18 detects an object to be detected in a state where the discharge of electrolyzed water (functional water) by the second water discharge unit 4b is completed (detection time count = 0). It is a flowchart.

First, at time t1 in FIG. 6, when the user of the washbasin 1 brings his / her finger close to the vicinity of the first water discharge portion 4a, the approach sensor 18 detects this. When the proximity sensor 18 detects the object to be detected, the controller 40 sends a control signal to the water solenoid valve 28a and the hot water solenoid valve 28b to open them. When the water solenoid valve 28a is opened, the tap water supplied from the water supply pipe 20a reaches the water solenoid valve 28a through the water stop valve 22a and the filter 24a, and reaches the flow control / temperature control valve 10. Inflow. On the other hand, when the hot water solenoid valve 28b is opened, the hot water supplied from the hot water supply pipe 20b reaches the hot water solenoid valve 28b through the water stop valve 22b and the filter 24b, and the flow control / temperature control valve 10 Inflow to.

The tap water and hot water that have flowed into the flow control / temperature control valve 10 are mixed here and discharged from the spout of the first spout portion 4a toward the bowl portion 2. Here, the mixing ratio of hot water and water in the flow control / temperature control valve 10 is set by the rotation position in the left-right direction of the operation lever 10a. Further, the flow rate of the hot water flowing out from the flow control / temperature control valve 10 is set by the rotational position in the front-rear direction of the operation lever 10a. The hot water flowing out from the flow control / temperature control valve 10 is discharged from the first water discharge unit 4a. When the proximity sensor 18 detects a finger or the like to open the solenoid valve 28a for water and the solenoid valve 28b for hot water, and the water discharge from the first water discharge unit 4a is started (second stage in FIG. 6, time t1). ~), The controller 40 starts the work waiting process. That is, the controller 40 starts the work waiting process when the approach sensor 18 changes from the non-detection state in which the finger or the like is not detected to the detected state in which the finger or the like is detected. This is a step of waiting for the passage of time, which is assumed to be one working time in the wash basin 1.

That is, when the approach sensor 18 detects the object to be detected at the time t1 in FIG. 6, the flowchart shown in FIG. 5 is executed, and the timer (not shown) built in the controller 40 determines the elapsed time of the work waiting process. The integration is started (step S1 in the flowchart of FIG. 5). That is, the controller 40 determines that the user has started the work on the wash basin 1, and executes the work waiting process until the time expected to finish one work on the wash basin 1 of the user has elapsed. , The electrolyzed water is not discharged until this step is completed.
Next, in step S2 of FIG. 5, it is determined whether or not the accumulated work waiting process elapsed time is equal to or longer than the predetermined work equivalent time τ1, and if it is less than the work equivalent time τ1, step S2. Processing is repeated. According to the research of the present inventor, the work generally performed on the washbasin 1 includes tooth brushing, face washing, shaving, basic makeup, makeup, hair shaping, hair washing, hair blow, change of clothes, etc., and the average required for each of these works. The typical time is about 1 minute for short and 7.5 minutes for long. In the morning, going out, etc., about 2 to 4 of these operations were performed as one use of the wash basin 1, and the use time of one wash basin was often 5 minutes or more. Therefore, in the present embodiment, the predetermined work equivalent time τ1 is set to 5 minutes. Preferably, the work equivalent time is set to 5 to 60 minutes depending on the installation location of the washbasin 1, the family structure of the house to be installed, and the like.

At time t2 in FIG. 6, when the user moves his / her finger away from the first water discharge portion 4a, the proximity sensor 18 does not detect the object to be detected, so that the controller 40 uses the water solenoid valve 28a and the hot water solenoid valve 28b. Close the valve. However, at time t2, since the work equivalent time τ1 has not elapsed from the start of work on the washbasin 1 by the user (time t1), there is a high possibility that water discharge by the user will be restarted, and water discharge will occur at time t2. Even if it is stopped, spraying of electrolyzed water is not performed. Further, during this work waiting process, the process of step S2 is repeated in the flowchart of FIG.

Further, at time t3 in FIG. 6, when the user brings the finger closer to the first water discharge portion 4a again, the controller 40 opens the water solenoid valve 28a and the hot water solenoid valve 28b. Here, the water discharge from the first water discharge unit 4a is started at the time t3, but since the water discharge at the time t3 is the water discharge during the work waiting process, of the one work in the user's wash basin 1. It is considered to be a "restart" of the spouting water, and the integrated value of the work waiting time is not reset. That is, even if the approach sensor 18 changes from the non-detection state to the detection state again during the work waiting process, the work waiting process is not re-executed, and the execution started at time t1 in FIG. After the work waiting process inside is completed, the spraying of electrolyzed water is executed.

Next, when the integrated time reaches 5 minutes at the time t4 of FIG. 6, the process in the flowchart of FIG. 5 shifts from step S2 to step S3. At time t4, 5 minutes, which is the work equivalent time τ1, has passed, but since the water is discharged from the first water discharge unit 4a, one work by the user on the wash basin 1 is still continued. No spraying of electrolyzed water is performed, as if it were.

In step S3, it is determined whether or not the water solenoid valve 28a and the hot water solenoid valve 28b are closed, that is, whether or not water is discharged from the first water discharge unit 4a. If water is not discharged, the process proceeds to step S4, and if water is discharged, the processes of steps S3 → S5 → S3 are repeatedly executed. The "waiting time reset" in step S5 will be described later.
Next, at time t5 in FIG. 6, when the proximity sensor 18 stops detecting the object to be detected, the controller 40 closes the water solenoid valve 28a and the hot water solenoid valve 28b, and the water discharge is stopped. When the water discharge is stopped, the process in the flowchart of FIG. 5 shifts from step S3 to step S4.

In step S4, it is determined whether or not the predetermined standby time T1 at which the integration is started has elapsed from the time when the water solenoid valve 28a and the hot water solenoid valve 28b are closed (time t5). If the waiting time T1 has elapsed, the process proceeds to step S6, and if not, the process returns to step S3. Therefore, if the proximity sensor 18 does not detect the object to be detected after the water discharge is stopped at time t5, the processes of steps S4 → S3 → S4 are repeatedly executed until the standby time T1 elapses. In this embodiment, the waiting time T1 is 5 seconds.

When the waiting time T1 elapses at the time t6 of FIG. 6, the process in the flowchart of FIG. 5 shifts from step S4 to step S6. In the process of step S6 or lower, spraying of electrolyzed water from the second water discharge unit 4b is executed. In this way, after the work equivalent time τ1 has elapsed and the water discharge between the time t3 and t5, which is the latest water discharge, has been completed, the electrolyzed water is sprayed after the waiting time T1 has elapsed. The water discharge from the first water discharge unit 4a is stopped at time t5, but immediately after the water discharge stop, there is a high possibility that the tap water that has been discharged remains in the bowl portion 2, so that state. Even if the electrolyzed water is sprayed with, the electrolyzed water is diluted and a sufficient bactericidal effect cannot be obtained. Therefore, after the water discharge is stopped at time t5, the electrolyzed water is sprayed after waiting for the lapse of the waiting time T1.

In step S6, the controller 40 sends a signal to the solenoid valve 30 for functional water to open the valve. Next, in step S7, the controller 40 applies a voltage to the electrodes (not shown) of the electrolytic cell 38. When the solenoid valve 30 for functional water is opened, the tap water supplied from the water supply pipe 20a reaches the solenoid valve 30 for functional water through the water stop valve 22a and the filter 24a. The tap water that has passed through the solenoid valve 30 for functional water flows into the electrolytic cell 38 through the pressure regulating valve 32 and the check valve 36. The tap water flowing into the electrolytic cell 38 is electrolyzed by the voltage (current) applied by the controller 40 to generate electrolyzed water. The generated electrolyzed water is made into a mist and sprayed from the second water discharge portion 4b to the bowl portion 2. The sprayed electrolyzed water sterilizes the surface of the bowl portion 2 and the drain port 2a, and suppresses the growth of various germs.

Next, in step S8 of FIG. 5, it is determined whether or not the predetermined functional water discharge time T2 has elapsed after the solenoid valve 30 for functional water is opened (after the time t6 of FIG. 6). If the functional water discharge time T2 has elapsed, the process proceeds to step S10, and if not, the process proceeds to step S9. In step S9, it is determined whether or not the water solenoid valve 28a and the hot water solenoid valve 28b are closed (whether or not water is discharged), and if water is not discharged, step S8 is performed. If the water is discharged, the process proceeds to step S13. Therefore, if the proximity sensor 18 does not detect the object to be detected after the functional water solenoid valve 30 is opened at time t6, steps S8 → S9 → S8 until the functional water discharge time T2 elapses. Process is executed repeatedly. In this embodiment, the functional water discharge time T2 is 10 seconds.

Further, when the functional water discharge time T2 elapses at the time t7 of FIG. 6, the process in the flowchart of FIG. 5 shifts from step S8 to step S10. In step S10, the controller 40 sends a signal to the functional water solenoid valve 30 to close it. Next, in step S11, the controller 40 stops energizing the electrolytic cell 38. Further, in step S12, the controller 40 resets the integrated work waiting time accumulated by the controller 40 to zero, and ends one process of the flowchart shown in FIG. When the water discharge from the first water discharge unit 4a is started after the processing of the flowchart shown in FIG. 5 is completed, the processing of the flowchart of FIG. 5 is started again from step S1.

Next, another example of control by the controller 40 will be described with reference to FIGS. 5 and 7.
First, when the approach sensor 18 detects the object to be detected at the time t8 of FIG. 7, the processing of the flowchart shown in FIG. 5 is started, and the integration of the work waiting time is started at the same time as the start of water discharge from the first water discharge unit 4a. (Step S1 in FIG. 5). Next, when the work waiting time exceeds the predetermined work equivalent time τ1 at the time t9 of FIG. 7, the process in the flowchart shown in FIG. 5 shifts from step S2 to S3. Further, at the time t10 in FIG. 7, when the proximity sensor 18 stops detecting the object to be detected, the water discharge from the first water discharge unit 4a is stopped. As a result, the process in the flowchart of FIG. 5 proceeds from steps S3 to S4, and the integration of the waiting time is started from the time t10. The waiting time from which the integration is started from the time t10 is integrated while the processes of steps S4 → S3 → S4 are repeated.

Next, at the time t11 of FIG. 7, when the approach sensor 18 detects the object to be detected before the predetermined standby time T1 elapses (before the accumulated standby time reaches T1), the controller 40 causes the controller 40 to detect the object to be detected. The water solenoid valve 28a and the hot water solenoid valve 28b are opened, and water discharge is started. As a result, in the flowchart shown in FIG. 5, the process in which steps S4 → S3 → S4 are repeated repeats steps S3 → S5 → S3. Here, in step S5, the accumulated waiting time is reset, so that the waiting time is not accumulated (standby) while the steps S3 → S5 → S3 are repeated (while the water is discharged). The integrated value of time does not increase).

Next, at time t12 in FIG. 7, when the proximity sensor 18 stops detecting the object to be detected, the controller 40 closes the water solenoid valve 28a and the hot water solenoid valve 28b, and the water discharge is stopped. As a result, in the flowchart shown in FIG. 5, the process in which steps S3 → S5 → S3 are repeated now repeats steps S4 → S3 → S4, and the integration of the waiting time from the time t12 is started. Further, when the predetermined waiting time T1 elapses at the time t13 of FIG. 7 without spouting water during the integration of the waiting time, the process in the flowchart shown in FIG. 5 shifts from step S4 to S6. In the process of step S6 or less, the electrolyzed water is sprayed from the second water discharge unit 4b over the predetermined functional water discharge time T2 (time t13 to t14 in FIG. 7), and one process of the flowchart shown in FIG. 5 is performed. finish.

In this way, after the work waiting time (integrated time) after the user starts using the washstand 1 becomes the predetermined work equivalent time τ1 or more (after the time t9 in FIG. 7), the predetermined waiting time While waiting for the passage of T1 (time t10 ~), when water is discharged again (time t11 ~), the integrated value of the standby time is reset, and after the water discharge is stopped (after time t12). Accumulation of the waiting time starts from zero again (time t12 ~). Here, since the integrated time has already exceeded the work equivalent time τ1, the water discharge (time t11 to t12) performed during the standby is the water discharge in one use of the wash basin 1 started by the user at time t8. It is considered that the electrolyzed water is sprayed after the lapse of the predetermined waiting time T1 (after the time t13) without performing a new work waiting process (time t13 to t14).

Next, another example of control by the controller 40 will be described with reference to FIGS. 5 and 8.
First, when the approach sensor 18 detects the object to be detected at the time t15 in FIG. 8, the processing of the flowchart shown in FIG. 5 is started, and the controller 40 starts the integration of the work waiting time (step S1 in FIG. 5). Next, at time t16 in FIG. 8, the water discharge from the first water discharge unit 4a is stopped, but since the work waiting time does not exceed the predetermined work equivalent time τ1, there is a high possibility that the water discharge will be restarted. Judging that, the work waiting process is continued. During this time, in the flowchart of FIG. 5, the process of step S2 is repeated. When the predetermined work equivalent time τ1 elapses at the time t17, the process in the flowchart shifts from step S2 to S3. Since the water discharge is stopped at the time t17, the process in the flowchart of FIG. 5 proceeds from steps S3 to S4, the integration of the waiting time is started from the time t17, and the predetermined waiting time T1 elapses at the time t18.

When the standby time T1 elapses at time t18, the process in the flowchart of FIG. 5 shifts from step S4 to S6, and spraying of electrolyzed water from the second water discharge unit 4b is started. While the spraying of the electrolyzed water is being executed, the processes of steps S8 → S9 → S8 are repeated in the flowchart. The spraying of the electrolyzed water is to continue the predetermined functional water discharge time T2 from the start of spraying, but in the example shown in FIG. 8, the approach sensor 18 is before the functional water discharge time T2 elapses from the start of spraying at time t18. The object to be detected is detected by (time t19 in FIG. 8). When the object to be detected is detected, water discharge from the first water discharge unit 4a is started, so that the process in the flowchart proceeds from steps S9 to S13.

In step S13, the controller 40 sends a signal to the solenoid valve 30 for functional water, closes the signal, and stops the energization of the electrolytic cell 38. As a result, the spraying of the electrolyzed water from the second water discharge portion 4b is stopped. As described above, if the water discharge from the first water discharge unit 4a is started before the functional water discharge time T2 elapses during the spraying of the electrolyzed water, the controller 40 causes the electrolyzed water from the second water discharge unit 4b. Stop spraying. That is, in the state where the water is discharged from the first water discharge unit 4a, even if the electrolyzed water is sprayed, the electrolyzed water is washed away and the electrolyzed water is wasted.

After step S13, in the flowchart of FIG. 5, the processes of steps S3 → S5 → S3 are repeated until the water discharge from the first water discharge unit 4a is stopped. Next, when the water discharge from the first water discharge unit 4a is stopped at the time t20 in FIG. 8, the process in the flowchart shifts to step S4, and thereafter, steps S4 → S3 → S4 until a predetermined standby time T1 elapses. Processing is repeated.

Next, when the waiting time T1 elapses at the time t21 in FIG. 8, the process in the flowchart proceeds to step S6, and the spraying of the electrolyzed water from the second water discharge unit 4b is started. Further, when the functional water discharge time T2 elapses at time t22, the spraying of the electrolyzed water is stopped, the integrated value of the work waiting time is reset, and one process of the flowchart shown in FIG. 5 is completed.

According to the wash basin 1 of the first embodiment of the present invention, it is assumed that the user uses the wash basin 1 once after the start of water discharge from the first water discharge unit 4a (time t1 in FIG. 6). After executing the work waiting process for 5 minutes, which is the predetermined work equivalent time τ1, water is discharged from the second water discharge unit 4b (time t6 to FIG. 6). As a result, it is possible to reduce the situation where the electrolyzed water is discharged from the second water discharge unit 4b while the user is using the wash basin 1. That is, when the electrolyzed water is discharged while the user is using the washstand 1, the water is discharged from the first water discharge portion 4a again immediately after the discharge of the electrolyzed water, and the bowl portion 2 is again discharged. There is a high possibility that various germs will adhere, and the electrolyzed water discharged will be wasted. According to the present embodiment, it is possible to avoid such waste of electrolyzed water, and it is possible to effectively suppress the growth of various germs in the bowl portion 2 and the drain port 2a while saving water.

Further, according to the wash basin 1 of the present embodiment, it is possible to detect the start time of the work waiting process by using the proximity sensor 18 for detecting the water discharge from the first water discharge unit 4a and the stop time. .. Further, when the non-detection state changes to the detection state, the work waiting process is started (time t1 in FIG. 6), and after waiting for the end of the work waiting process (time t4 in FIG. 6), the functional water is discharged. Therefore, for example, it is possible to prevent the electrolyzed water from being wasted because the electrolyzed water is discharged immediately after the hand is wetted with water at the beginning of hand washing or immediately after the toothbrush is wetted with water at the beginning of tooth brushing. can. As a result, it is possible to effectively suppress the growth of various germs while suppressing the waste of electrolyzed water.

Further, according to the wash basin 1 of the present embodiment, after changing from the non-detection state to the detection state (time t1 in FIG. 6), after waiting for 5 minutes to elapse as the work equivalent time τ1, the electrolyzed water is discharged. Is executed, so that it is possible to increase the probability that the electrolyzed water can be discharged after one use of the wash basin 1 by the user is completed.

Further, according to the wash basin 1 of the present embodiment, during the execution of the work waiting process (time t1 to t4 in FIG. 6), the non-detection state is entered (time t2 in FIG. 6), and then the detection state is restored again. Even if it has changed (time t3 in FIG. 6), the second water discharge unit is after the work waiting process (time t1 to t4 in FIG. 6) being executed is completed without re-executing the work waiting process. Since water discharge from 4b is executed (time t6 in FIG. 6), water discharge and water stoppage are performed during the work waiting process, so that the work waiting process is re-executed many times and the frequency of water discharge of functional water is increased. It is possible to prevent a significant decrease. As a result, it is possible to effectively suppress the growth of various germs while avoiding the waste of functional water.

Next, the wash basin according to the second embodiment of the present invention will be described with reference to FIGS. 9 to 11.
The washbasin of this embodiment is different from the first embodiment described above in that it is controlled by the controller 40. Therefore, here, only the points different from the first embodiment of the present embodiment will be described, and the description of the same configuration, operation, and effect will be omitted. 9 to 11 are time charts showing an example of control by the controller 40.

In the first embodiment of the present invention described above, the proximity sensor is used for the first time after the processing of the flowchart of FIG. 5 executed last time is completed (the discharge of the electrolyzed water (functional water) from the second water discharge unit 4b is completed). When 18 detected the object to be detected (corresponding to time t1 in FIG. 6), the control flowchart shown in FIG. 5 was newly activated. On the other hand, in the present embodiment, the controller 40 executes control according to the same flowchart as the control flowchart shown in FIG. 5, but when the proximity sensor 18 changes from the detected state to the non-detected state (time t2 in FIG. 6). ), The control flowchart of FIG. 5 is newly activated. Therefore, in the following description, the control in the second embodiment of the present invention will be described with reference to FIGS. 9 to 11 and FIG.

That is, at the time t31 of the time chart shown in FIG. 9, the approach sensor 18 detects the object to be detected for the first time after one process according to the control flowchart shown in FIG. 5 is completed, and the first water discharge unit 4a Water spouting from is started. Next, when the approach sensor 18 changes to the non-detection state at the time t32 of FIG. 9, the processing of the flowchart shown in FIG. 5 is newly started. As a result, in step S1 of FIG. 5, the counting of the work waiting time is started from the time t32.

Further, in step S2, after the work waiting time counting is started at time t32, it is determined whether or not a predetermined work equivalent time τ1 has elapsed, and the process of step S2 is performed until the work equivalent time τ1 elapses. Repeated. Next, at time t33, water discharge from the first water discharge unit 4a is restarted before the predetermined work equivalent time τ1 elapses. Further, when the predetermined work equivalent time τ1 elapses at the time t34, the processing of the flowchart shifts to step S3.

In step S3, it is determined whether or not water is discharged from the first water discharge unit 4a. In the time chart of FIG. 9, since water is discharged at time t34, the process of steps S3 → S5 → S3 is repeated in the flowchart of FIG. Since the waiting time is reset in step S5, the waiting time is not integrated while the processes of steps S3 → S5 → S3 are repeated.

Next, when the water discharge from the first water discharge unit 4a is stopped at time t35, the process in the flowchart of FIG. 5 shifts to step S4. In step S4, it is determined whether or not the predetermined waiting time T1 has elapsed. After that, the processes of steps S4 → S3 → S4 are repeated until the predetermined waiting time T1 elapses. Further, if water is discharged from the first water discharge unit 4a while waiting for the elapse of the standby time T1, the process in the flowchart of FIG. 5 is repeated in steps S3 → S5 → S3, and the standby time is increased. The integration is also reset.

Next, when the predetermined waiting time T1 elapses at the time t36 of FIG. 9, the process in the flowchart of FIG. 5 shifts to step S6. In the process of step S6 or less, the electrolyzed water is discharged over the predetermined functional water discharge time T2 (time t36 to t37), and one process of the flowchart of FIG. 5 is completed.

Next, with reference to FIG. 10, another operation example of the washbasin according to the second embodiment of the present invention will be described.
First, when the water discharge from the first water discharge unit 4a is stopped at the time t39 in FIG. 10, the processing of the flowchart of FIG. 5 is started, and the integration of the work waiting time is started. In the example shown in FIG. 10, since the water discharge from the first water discharge unit 4a is restarted at the time t40 before the predetermined work equivalent time τ1 elapses, the predetermined work equivalent time τ1 has elapsed at the time t41. After that, the waiting time is not accumulated, and the end of water discharge is waited for (process of step S3 → S5 → S3).

Further, when the water discharge from the first water discharge unit 4a is stopped at the time t42, the integration of the waiting time is started without accumulating the work waiting time (process of steps S4 → S3 → S4). However, since the water discharge from the first water discharge unit 4a is restarted at time t43, the integration of the waiting time is reset and the end of the water discharge is waited for (process of steps S3 → S5 → S3).

Next, when the water discharge from the first water discharge unit 4a is stopped at the time t44, the integration of the waiting time is started again (processing of steps S4 → S3 → S4), and when the predetermined waiting time elapses at the time t45, The process in the flowchart of FIG. 5 proceeds to step S6. In the process of step S6 or less, the electrolyzed water is discharged over the predetermined functional water discharge time T2 (time t45 to t46), and one process of the flowchart of FIG. 5 is completed.

Next, with reference to FIG. 11, another operation example of the washbasin according to the second embodiment of the present invention will be described.
First, when the water discharge from the first water discharge unit 4a is stopped at the time t48 in FIG. 11, the processing of the flowchart of FIG. 5 is started, and the integration of the work waiting time is started. In the example shown in FIG. 11, the water discharge from the first water discharge unit 4a is restarted at times t49 to t50 before the predetermined work equivalent time τ1 elapses, but at the time t51 when the work equivalent time τ1 elapses. Since the water discharge from the first water discharge unit 4a is stopped, the integration of the standby time is started from the time t51 (process of steps S3 → S4 → S3).

Further, when the predetermined waiting time T1 elapses at the time t52, the process in the flowchart of FIG. 5 shifts to step S6 or less, and the discharge of the electrolyzed water is started (process of steps S8 → S9 → S8). However, after the time t52 when the discharge of the electrolyzed water was started, at the time t53 before the predetermined functional water discharge time T2 elapsed, the water discharge from the first water discharge unit 4a was started, so that the electrolyzed water was discharged. It is stopped (processing of steps S9 → S13).

Next, when the water discharge from the first water discharge unit 4a started at time t53 is stopped at time t54, the integration of the standby time is started again (process of steps S4 → S3 → S4), and the predetermined time is t55. When the waiting time of is elapsed, the process in the flowchart of FIG. 5 proceeds to step S6 again. In the process of step S6 or less, the electrolyzed water is discharged over the predetermined functional water discharge time T2 (time t55 to t56), and one process of the flowchart of FIG. 5 is completed.

As described above, in the wash basin of the second embodiment of the present invention, the water discharge from the first water discharge unit 4a is started for the first time after the previous discharge of the electrolyzed water (t31 in FIG. 9, FIG. 10). At t38, t47 in FIG. 11), when this water discharge is stopped (t32 in FIG. 9, t39 in FIG. 10, t48 in FIG. 11), the integration of the work waiting time is started. After the predetermined work equivalent time τ1 has elapsed after this integration is started, the work waiting time is not integrated, and the predetermined standby time is in a state where water is not discharged from the first water discharge unit 4a. Waiting for the elapse of T1, the electrolyzed water is discharged over the predetermined functional water discharge time T2, and the series of processes is completed.

According to the wash basin of the second embodiment of the present invention, when the first water discharge unit 4a changes from the water discharge state to the water stop state (t32 in FIG. 9, t39 in FIG. 10, t48 in FIG. 11), the work waiting step. Is started, and after waiting for the end of the work waiting process, the functional water is discharged (t36 in FIG. 9, t45 in FIG. 10, t52 in FIG. 11, t55 in FIG. 11). It is possible to prevent the functional water from being wasted because the functional water is discharged immediately after getting wet or immediately after the toothbrush is wetted with water at the beginning of brushing the teeth.

Further, according to the wash basin of the present embodiment, after the detection state is changed to the non-detection state, the function water is discharged after waiting for 5 minutes as the work equivalent time (step S2 in FIG. 5). Therefore, it is possible to increase the probability that the functional water can be discharged after the user has finished using the wash basin once.

Further, according to the wash basin of the present embodiment, during the execution of the work waiting process, the state shifts to the detection state (t33 in FIG. 9, t40 in FIG. 10, t49 in FIG. 11), and then changes to the non-detection state again. Even in the case of (t35 in FIG. 9, t42 in FIG. 10, t50 in FIG. 11), water discharge from the second water discharge unit 4b is executed without re-execution of the work waiting process. Therefore, even if the work waiting process is set to a relatively long time (for example, 30 minutes or more), the work waiting process is re-executed many times due to water discharge or water stoppage during the work waiting process. Therefore, it is possible to prevent the frequency of spouting of functional water from being significantly reduced.

Further, according to the wash basin of the present embodiment, when the first water discharge unit 4a is in a water discharge state at the end of the work waiting process (t34 in FIG. 9, t41 in FIG. 10), the first water discharge unit is used. After the water discharge unit 4a is stopped (t35 in FIG. 9, t42 in FIG. 10), water discharge from the second water discharge unit 4b is executed (t36 in FIG. 9, t45 in FIG. 10). It is possible to prevent the functional water from being wasted because the water from the water discharge portion 4a and the functional water are discharged at the same time.

Further, according to the wash basin of the present embodiment, when the first water discharge portion 4a is in a water stop state after the work waiting process is completed (t35 in FIG. 9, t42, t44 in FIG. 10, t51 in FIG. 11). , T54), the water discharge from the second water discharge unit 4b is started after the lapse of the predetermined standby time T1 (t36 in FIG. 9, t45 in FIG. 10, t52 in FIG. 11, t55). It is possible to prevent unnecessary functional water from being discharged when a person stops the water discharge from the first water discharge unit 4a and then immediately restarts the water discharge.

Further, according to the wash basin of the present embodiment, when the first water discharge unit 4a is in a water discharge state during the water discharge from the second water discharge unit 4b (t53 in FIG. 11), the second water discharge unit is used. Since the water discharge from the unit 4b is stopped, the water from the first water discharge unit 4a and the functional water are simultaneously discharged, and it is possible to prevent the functional water from being wasted. Further, after the first water discharge unit 4a is stopped (t54 in FIG. 11), the water discharge from the second water discharge unit 4b is started again from the beginning (t55 in FIG. 11), so that the functional water is surely functional water. Water spouting is performed and the growth of germs can be suppressed.

Next, the wash basin according to the third embodiment of the present invention will be described with reference to FIGS. 12 to 17.
The washbasin of this embodiment is different from the first embodiment described above in that it is controlled by the controller 40. Therefore, here, only the points different from the first embodiment of the present embodiment will be described, and the description of the same configuration, operation, and effect will be omitted. FIG. 12 is a control flowchart executed by the controller 40. 13 to 17 are time charts showing an example of control by the controller 40.

In the first and second embodiments of the present invention described above, the work waiting process is started when the water discharge from the first water discharge unit 4a is started or when the water discharge is stopped, and once a predetermined work equivalent time is reached. After τ1 has elapsed, even if water is discharged from the first water discharge unit 4a, the work waiting time is not integrated again from the beginning, and the electrolyzed water is discharged after waiting for the water discharge to stop. .. On the other hand, in the third embodiment of the present invention, even after a predetermined work equivalent time τ1 has elapsed, if water is discharged from the first water discharge unit 4a after that, the water is discharged again. It differs from the first and second embodiments described above in that the work waiting time is integrated from the beginning.

First, at time t61 of the time chart shown in FIG. 13, it is the first time after the processing of the flowchart of FIG. 12 executed last time is completed (the discharge of the electrolyzed water (functional water) from the second water discharge unit 4b is completed). The proximity sensor 18 detects the object to be detected, and water discharge from the first water discharge unit 4a is started. As a result, the processing of the flowchart shown in FIG. 12 is newly started, and the step S21 is executed. In step S21, the integration of the work waiting time is started.

Next, in step S22 of FIG. 12, it is determined whether or not water is being discharged from the first water discharge unit 4a, and the process of step S22 is repeated until the water discharge is stopped.
Next, when the water discharge from the first water discharge unit 4a is stopped at the time t62 in FIG. 13, the processing of the flowchart shown in FIG. 12 shifts to step S23 or less. In step S23, it is determined whether or not the work waiting time at which the integration was started at time t61 has reached the predetermined work equivalent time τ1. If the predetermined work equivalent time τ1 has not elapsed, the process proceeds to step S24, and in step S24, it is determined whether or not water is discharged from the first water discharge unit 4a.

If the water is not discharged from the first water discharge unit 4a, the process returns to step S23. Therefore, when the water is not discharged from the first water discharge unit 4a, the processes of steps S23 → S24 → S23 are repeated until the predetermined work equivalent time τ1 elapses. In this embodiment, the predetermined work equivalent time τ1 is 5 minutes.

In the example of the time chart shown in FIG. 13, a predetermined work equivalent time τ1 has elapsed at time t63. When the predetermined work equivalent time τ1 elapses, the integration of the waiting time is started, and the processing of the flowchart shifts to step S26 or less. In step S26, it is determined whether or not the waiting time at which the integration is started at the time t63 has reached the predetermined waiting time T1. If the predetermined waiting time T1 has not elapsed, the process proceeds to step S27, and in step S27, it is determined whether or not water is discharged from the first water discharge unit 4a.

If the water is not discharged from the first water discharge unit 4a, the process returns to step S26. Therefore, when the water is not discharged from the first water discharge unit 4a, the processes of steps S26 → S27 → S26 are repeated until the predetermined waiting time T1 elapses. In this embodiment, the waiting time T1 is 5 seconds.

In the example of the time chart shown in FIG. 13, a predetermined waiting time T1 has elapsed at time t64. When the predetermined waiting time T1 elapses, the processing of the flowchart shifts to step S30 or less. In step S30, the solenoid valve 30 for functional water is opened, and then in step S31, a voltage is applied to the electrode (not shown) of the electrolytic cell 38. As a result, the generated electrolyzed water is made into a mist and sprayed from the second water discharge portion 4b to the bowl portion 2.

Next, in step S32 of FIG. 12, it is determined whether or not the predetermined functional water discharge time T2 has elapsed after the solenoid valve 30 for functional water is opened (after the time t64 in FIG. 13). If the functional water discharge time T2 has elapsed, the process proceeds to step S34, and if not, the process proceeds to step S33. In step S33, it is determined whether or not water is discharged from the first water discharge unit 4a, and if water is not discharged, the process returns to step S32, and if water is discharged, the process proceeds to step S39. .. Therefore, if the proximity sensor 18 does not detect the object to be detected after the functional water solenoid valve 30 is opened at time t64, steps S32 → S33 → S32 until the functional water discharge time T2 elapses. Process is executed repeatedly. In this embodiment, the functional water discharge time T2 is 10 seconds.

In the example of the time chart shown in FIG. 13, after the discharge of the electrolyzed water is started at time t64, the predetermined functional water discharge time T2 has elapsed without the water being discharged from the first water discharge unit 4a. When the functional water discharge time T2 elapses at time t65, the process in the flowchart of FIG. 12 shifts from step S32 to step S34. In step S34, the solenoid valve 30 for functional water is closed, and then in step S35, the energization of the electrolytic cell 38 is stopped. Further, in step S36, the accumulated work waiting time is reset to zero, and in step S37, the integrated waiting time is reset to zero. Next, in step S38, the integrated time of the functional water discharge time is reset to zero, and one process of the flowchart shown in FIG. 12 is completed. When the water discharge from the first water discharge unit 4a is started after the processing of the flowchart shown in FIG. 12 is completed (after the discharge of one electrolyzed water is completed), the processing of the flowchart of FIG. 12 is started again from step S21. Will be done.

Next, another example of control by the controller 40 will be described with reference to FIGS. 12 and 14.
In the example shown in FIG. 14, when the water discharge from the first water discharge unit 4a is started at the time t66, the processing of the flowchart shown in FIG. 12 is started, and in the step S21, the integration of the work waiting time is started. .. Further, when the water discharge from the first water discharge unit 4a is stopped at time t68, the process in the flowchart of FIG. 12 shifts from step S22 to step S23.

In the step S23, it is determined whether or not the work waiting time for which the integration was started in step S21 has reached the predetermined work equivalent time τ1. In the example shown in FIG. 14, since the predetermined work equivalent time τ1 has already elapsed at the time t67 before the water discharge from the first water discharge unit 4a is stopped at the time t68, the process in the flowchart of FIG. Goes from step S23 to step S26.

Then, after the time t68, the process of step S26 → S27 → S26 is repeated until the predetermined waiting time T1 elapses. Further, when the predetermined standby time T1 elapses at the time t69, the electrolyzed water is discharged from the second water discharge unit 4b in step S30 or less in FIG. When the predetermined functional water discharge time T2 elapses at the time t70, the processes of steps S34 to S38 are executed, and one process of the flowchart shown in FIG. 12 is completed.

Next, still another example of control by the controller 40 will be described with reference to FIGS. 12 and 15.
In the example shown in FIG. 15, when the water discharge from the first water discharge unit 4a is started at the time t71, the processing of the flowchart shown in FIG. 12 is started, and the integration of the work waiting time is started in the step S21. .. Further, when the water discharge from the first water discharge unit 4a is stopped at time t72, the process in the flowchart of FIG. 12 shifts from step S22 to step S23.

After the water discharge is stopped at time t72, the process of steps S23 → S24 → S23 in the flowchart of FIG. 12 is repeated. Next, when the water discharge from the first water discharge unit 4a is restarted at the time t73 before the work waiting time at which the integration is started reaches the predetermined work equivalent time τ1, the process in the flowchart of FIG. 12 is performed. Goes from step S24 to step S25. In step S25, the work waiting time at which the integration is started at time t71 is reset to zero. Further, the process in the flowchart of FIG. 12 returns to step S21, and in step S21, the integration of the work waiting time from the time t73 is started from zero.

After that, when the predetermined work equivalent time τ1 elapses at the time t75 without newly starting the water discharge from the first water discharge unit 4a, the predetermined function is performed after the predetermined standby time T1 (time t75 to t76). The electrolyzed water is discharged over the water discharge time T2 (time t76 to t77), and one process of the flowchart shown in FIG. 12 is completed. As described above, in the present embodiment, when the water discharge from the first water discharge unit 4a is started (time t73) while waiting for the elapse of the predetermined work equivalent time τ1, the work waiting time is integrated. It will start from scratch. If the predetermined work equivalent time τ1 elapses without newly starting the water discharge from the first water discharge unit 4a during the integration of the work waiting time, the processing after the integration of the standby time is executed.

Next, still another example of control by the controller 40 will be described with reference to FIGS. 12 and 16.
In the example shown in FIG. 16, when the water discharge from the first water discharge unit 4a is started at time t78, the processing of the flowchart shown in FIG. 12 is started, and in the step S21, the integration of the work waiting time is started. .. Further, when the water discharge from the first water discharge unit 4a is stopped at time t79, the process in the flowchart of FIG. 12 shifts from step S22 to step S23.

Subsequently, at time t80, when the work waiting time for which integration has started from time t78 reaches a predetermined work equivalent time τ1, the process in the flowchart of FIG. 12 shifts from step S23 to step S26. As a result, the integration of the waiting time is started from the time t80, and the process of steps S26 → S27 → S26 is repeated in the flowchart of FIG.

Further, in the example shown in FIG. 16, the water discharge from the first water discharge unit 4a is restarted at the time t81 before the standby time at which the integration is started from the time t80 reaches the predetermined standby time T1. As a result, the process in the flowchart of FIG. 12 shifts from step S27 to step S28. In step S28, the work waiting time is reset to zero, in the following step S29, the waiting time is reset to zero, and the process in the flowchart of FIG. 12 returns to step S21. As a result, the integration of the work waiting time is newly started from zero at time t81.

After that, the predetermined work equivalent time τ1 elapses at the time t83, and the integration of the waiting time is started from the time t83. Further, the predetermined standby time T1 elapses at the time t84 without starting the water discharge from the first water discharge unit 4a, and the electrolyzed water is discharged over the predetermined functional water discharge time T2 (time t84 to t85). Then, one process of the flowchart shown in FIG. 12 is completed. As described above, in the present embodiment, when the water discharge from the first water discharge unit 4a is started (time t81) while waiting for the elapse of the predetermined standby time T1, the work waiting time and the standby time Is reset to zero. If the predetermined standby time T1 elapses without newly starting the water discharge from the first water discharge unit 4a during the integration of the standby time, the processing after the integration of the functional water discharge time is executed.

Next, still another example of control by the controller 40 will be described with reference to FIGS. 12 and 17.
In the example shown in FIG. 17, when the water discharge from the first water discharge unit 4a is started at time t86, the processing of the flowchart shown in FIG. 12 is started, and in the step S21, the integration of the work waiting time is started. .. Further, when the water discharge from the first water discharge unit 4a is stopped at time t87, the process in the flowchart of FIG. 12 shifts from step S22 to step S23.

Subsequently, at time t88, when the work waiting time for which integration has started from time t86 reaches a predetermined work equivalent time τ1, the process in the flowchart of FIG. 12 shifts from step S23 to step S26. As a result, the integration of the waiting time is started from the time t88, and the process of steps S26 → S27 → S26 is repeated in the flowchart of FIG.

Further, in the example shown in FIG. 17, when the waiting time at which the integration is started from the time t88 reaches the predetermined waiting time T1, the process in the flowchart of FIG. 12 shifts from step S26 to step S30. In step S30, the solenoid valve 30 for functional water is opened, and then in step S31, a voltage is applied to the electrode (not shown) of the electrolytic cell 38. As a result, the discharge of the functional water from the second water discharge unit 4b is started, and the integration of the functional water discharge time is started from the time t89. At this time, in the flowchart of FIG. 12, the processes of steps S32 → S33 → S32 are repeated.

Next, in the example of FIG. 17, water discharge from the first water discharge unit 4a is restarted at time t90 before the functional water discharge time whose integration started from time t89 reaches the predetermined functional water discharge time T2. ing. As a result, the process in the flowchart of FIG. 12 shifts from step S33 to step S39. In step S39, the solenoid valve 30 for functional water is closed and the energization to the electrolytic cell 38 is stopped. Further, in step S40, the integrated work waiting time is reset to zero, and in step S41, the integrated waiting time is reset to zero. In addition, in step S41, the integrated time of the functional water discharge time is also reset to zero, and the processing in the flowchart returns to step S21.

After that, the work waiting time newly started from the time t90 reaches the predetermined work equivalent time τ1 at the time t92, and the integration of the waiting time is started from the time t92. Further, the predetermined standby time T1 elapses at the time t93 without starting the water discharge from the first water discharge unit 4a, and the electrolyzed water is discharged over the predetermined functional water discharge time T2 (time t93 to t94). Then, one process of the flowchart shown in FIG. 12 is completed.

As described above, in the present embodiment, when the water discharge from the first water discharge unit 4a is started (time t90) before the electrolyzed water is discharged over the predetermined functional water discharge time T2, the electrolyzed water is discharged. The discharge of water is stopped, and the work waiting time, standby time, and functional water discharge time are reset to zero. Therefore, although the electrolyzed water is discharged between the times t89 and t90, if it is stopped in the middle, the electrolyzed water is discharged again over the predetermined functional water discharge time T2. Will be done.

According to the wash basin of the third embodiment of the present invention, during the execution of the work waiting process, the water is stopped (t72 in FIG. 15) and then changed to the water discharge state again (t73 in FIG. 15). The work waiting process is re-executed (from t73 in FIG. 15). Therefore, even when the work waiting process is set to a relatively short time (for example, 30 minutes or less), the function water is discharged before the user finishes using the wash basin once. Therefore, it is possible to prevent the functional water from being wasted.

Further, according to the wash basin of the present embodiment, when the first water discharge unit 4a is in the water discharge state at the end of the work waiting process (t67 in FIG. 14), the first water discharge unit 4a stops water. After the state is reached (t68 in FIG. 14), water discharge from the second water discharge unit 4b is executed (t69 in FIG. 14), so that tap water and functional water from the first water discharge unit 4a are simultaneously discharged. , It is possible to prevent wasteful consumption of functional water.

Further, according to the wash basin of the present embodiment, when the first water discharge portion 4a is in a water stop state (t68 in FIG. 14) after the work waiting process is completed (t67 in FIG. 14), a predetermined value is provided. Since the water discharge from the second water discharge unit 4b is started after the elapse of the standby time T1 (t69 in FIG. 14), the water discharge immediately after the user stops the water discharge from the first water discharge unit 4a. It is possible to prevent unnecessary functional water from being discharged when the operation is restarted.

Further, according to the wash basin of the present embodiment, when the first water discharge unit 4a is in a water discharge state during the water discharge from the second water discharge unit 4b (t90 in FIG. 17), the second water discharge unit is used. Since the water discharge from the unit 4b is stopped, the water from the first water discharge unit 4a and the functional water are simultaneously discharged, and it is possible to prevent the functional water from being wasted. Further, after the first water discharge unit 4a is stopped (t91 in FIG. 17), the water discharge from the second water discharge unit 4b is started again (t93 in FIG. 17), so that the functional water is surely discharged. It can be carried out and the growth of germs can be suppressed.

Next, the wash basin according to the fourth embodiment of the present invention will be described with reference to FIGS. 18 to 22.
The washbasin of this embodiment is different from the first embodiment described above in that it is controlled by the controller 40. Therefore, here, only the points different from the first embodiment of the present embodiment will be described, and the description of the same configuration, operation, and effect will be omitted. FIG. 18 is a control flowchart executed by the controller 40. 19 to 22 are time charts showing an example of control by the controller 40.

Further, in the third embodiment of the present invention described above, the work waiting process is started when the water discharge from the first water discharge unit 4a is started, and even after the predetermined work equivalent time τ1 has elapsed. After that, when water was discharged from the first water discharge unit 4a, the work waiting time was integrated again from the beginning. The present embodiment is different from the above-described third embodiment in that the work waiting process is started when the water discharge from the first water discharge unit 4a is stopped.

First, at time t101 of the time chart shown in FIG. 19, the approach sensor 18 detects the object to be detected for the first time after the previous discharge of the electrolyzed water is completed, and the water discharge from the first water discharge unit 4a is started. There is. Further, at time t102, the water discharge is stopped, whereby the processing of the flowchart shown in FIG. 18 is started, and the step S51 is executed. In step S51, the integration of the work waiting time is started.

Next, in step S52 of FIG. 18, it is determined whether or not the work waiting time at which the integration was started at time t102 has reached the predetermined work equivalent time τ1. If the predetermined work equivalent time τ1 has not elapsed, the process proceeds to step S53, and in step S53, it is determined whether or not water is discharged from the first water discharge unit 4a.

If the water is not discharged from the first water discharge unit 4a, the process returns to step S52. Therefore, when the water is not discharged from the first water discharge unit 4a, the processes of steps S52 → S53 → S52 are repeated until the predetermined work equivalent time τ1 elapses. In this embodiment, the predetermined work equivalent time τ1 is 5 minutes.

In the example of the time chart shown in FIG. 19, a predetermined work equivalent time τ1 has elapsed at time t103. When the predetermined work equivalent time τ1 elapses, the processing of the flowchart shifts to step S55 or less. In step S55, the solenoid valve 30 for functional water is opened, and then in step S56, a voltage is applied to the electrode (not shown) of the electrolytic cell 38. As a result, the generated electrolyzed water is made into a mist and sprayed from the second water discharge portion 4b to the bowl portion 2.

Next, in step S57 of FIG. 18, it is determined whether or not the predetermined functional water discharge time T2 has elapsed after the functional water solenoid valve 30 is opened (after the time t103 of FIG. 19). If the functional water discharge time T2 has elapsed, the process proceeds to step S59, and if not, the process proceeds to step S58. In step S58, it is determined whether or not water is discharged from the first water discharge unit 4a, and if water is not discharged, the process returns to step S57, and if water is discharged, the process proceeds to step S63. .. Therefore, if the proximity sensor 18 does not detect the object to be detected after the functional water solenoid valve 30 is opened at time t103, steps S57 → S58 → S57 until the functional water discharge time T2 elapses. Process is executed repeatedly. In this embodiment, the functional water discharge time T2 is 10 seconds.

In the example of the time chart shown in FIG. 19, after the discharge of the electrolyzed water is started at the time t103, the predetermined functional water discharge time T2 has elapsed without the water being discharged from the first water discharge unit 4a. When the functional water discharge time T2 elapses at time t104, the process in the flowchart of FIG. 18 shifts from step S57 to step S59. In step S59, the energization of the electrolytic cell 38 is stopped, and then in step S60, the solenoid valve 30 for functional water is closed. Further, in step S61, the integrated work waiting time integrated time is reset to zero, and in step S62, the integrated functional water discharge time integrated time is reset to zero, and one process of the flowchart shown in FIG. 18 is performed. finish. After the processing of the flowchart shown in FIG. 18 is completed (after one discharge of the electrolyzed water is completed), water discharge from the first water discharge unit 4a is started, and when this water discharge is stopped, the flow chart of FIG. 18 is shown again. The process is started from step S51.

As described above, in the present embodiment, at the time when the predetermined work equivalent time τ1 has elapsed (time t103), the water discharge has been stopped for the predetermined work equivalent time τ1 in the latest past (time t103). Times t102 to t103). Therefore, when the predetermined work equivalent time τ1 elapses, the discharge of the electrolyzed water is started (time t103 to) without waiting for the elapse of the waiting time.

Next, another example of control by the controller 40 will be described with reference to FIGS. 18 and 20.
In the example shown in FIG. 20, when the water discharge from the first water discharge unit 4a is stopped at time t106, the processing of the flowchart shown in FIG. 18 is started, and the integration of the work waiting time is started in the step S51. .. In step S52, it is determined whether or not the work waiting time for which the integration was started in step S51 has reached the predetermined work equivalent time τ1, and in step S52 → S53 → S52 until the predetermined work equivalent time τ1 elapses. The process is repeated.

In the example shown in FIG. 20, since the water discharge from the first water discharge unit 4a is started at the time t107 before the predetermined work equivalent time τ1 elapses, the process in the flowchart shifts from step S53 to step S54. In step S54, the work waiting time at which the integration is started at time t106 is reset to zero, and one process of the flowchart shown in FIG. 18 is completed.

Further, when the water discharge from the first water discharge unit 4a started at the time t107 is stopped at the time t109, the processing of the flowchart shown in FIG. 18 is restarted from the beginning. The processing in the flowchart after the time t109 is the same as the processing after the time t102 in FIG. 19, and the electrolyzed water is discharged from the time t110 when the predetermined work equivalent time τ1 has elapsed from the time t109 to the predetermined functional water discharge time T2. It is discharged, and one process of the flowchart shown in FIG. 18 is completed.

Next, still another example of control by the controller 40 will be described with reference to FIGS. 18 and 21.
In the example shown in FIG. 21, when the water discharge from the first water discharge unit 4a is stopped at time t113, the processing of the flowchart shown in FIG. 18 is started, and the integration of the work waiting time is started in the step S51. .. As a result, the process of step S52 → S53 → S52 is repeated until the predetermined work equivalent time τ1 elapses.

In the example shown in FIG. 21, since the water discharge from the first water discharge unit 4a is started at the time t114 before the predetermined work equivalent time τ1 elapses, the process in the flowchart shifts from step S53 to step S54, and step S54. In, the work waiting time is reset to zero, and one process of the flowchart shown in FIG. 18 is completed.

Further, when the water discharge from the first water discharge unit 4a started at the time t114 is stopped at the time t115, the processing of the flowchart shown in FIG. 18 is restarted from the beginning. The processing in the flowchart after the time t115 is the same as the processing after the time t102 in FIG. 19, and the electrolyzed water is discharged from the time t116 when the predetermined work equivalent time τ1 has elapsed from the time t115 to the predetermined functional water discharge time T2. It is discharged, and one process of the flowchart shown in FIG. 18 is completed.

Next, another example of control by the controller 40 will be described with reference to FIGS. 18 and 22.
In the example shown in FIG. 22, when the water discharge from the first water discharge unit 4a is stopped at time t119, the processing of the flowchart shown in FIG. 18 is started, and the integration of the work waiting time is started in the step S51. .. As a result, the process of step S52 → S53 → S52 is repeated until the predetermined work equivalent time τ1 elapses.

In the example shown in FIG. 22, a predetermined work equivalent time τ1 elapses at time t120, and the processing in the flowchart shifts from step S52 to step S55. In step S55, the solenoid valve 30 for functional water is opened, and then in step S56, a voltage is applied to the electrode (not shown) of the electrolytic cell 38. As a result, the generated electrolyzed water is made into a mist and sprayed from the second water discharge portion 4b to the bowl portion 2.

Next, in step S57 of FIG. 18, it is determined whether or not the predetermined functional water discharge time T2 has elapsed after the functional water solenoid valve 30 is opened (after the time t120 of FIG. 22). After that, the processes of steps S57 → S58 → S57 are repeatedly executed until the predetermined functional water discharge time T2 elapses.

In the example shown in FIG. 22, since the water discharge from the first water discharge unit 4a is started at the time t121 before the predetermined functional water discharge time T2 elapses, the process in the flowchart shifts from step S58 to step S63. In step S63, the energization of the electrolytic cell 38 is stopped, and then in step S64, the solenoid valve 30 for functional water is closed. Further, in step S65, the integrated work waiting time integrated time is reset to zero, and in step S66, the integrated functional water discharge time integrated time is reset to zero, so that one process of the flowchart shown in FIG. 18 is performed. finish.

Further, when the water discharge from the first water discharge unit 4a started at the time t121 is stopped at the time t123, the processing of the flowchart shown in FIG. 18 is restarted from the beginning. The processing in the flowchart after the time t123 is the same as the processing after the time t102 in FIG. 19, and the electrolyzed water is discharged from the time t124 when the predetermined work equivalent time τ1 has elapsed from the time t123 to the predetermined functional water discharge time T2. It is discharged, and one process of the flowchart shown in FIG. 18 is completed.

In the present embodiment, even if the water discharge from the first water discharge unit 4a started at the time t121 is stopped before the time t122 after the predetermined functional water discharge time T2 from the time t120. , A new work waiting time integration is started from that time point (a time point before the time t122).

According to the wash basin of the fourth embodiment of the present invention, during the execution of the work waiting process, the water discharge state is entered (t107 in FIG. 20 and t114 in FIG. 21), and then the water is stopped again (FIG. 20). In the case of t109 and t115 in FIG. 21, the work waiting process is re-executed. Therefore, even if the work waiting process is set to a relatively short time (for example, 30 minutes or less), the functional water is discharged before the user finishes using the wash basin once. , It is possible to prevent the waste of functional water.

Further, according to the wash basin of the present embodiment, when the first water discharge unit 4a is in a water discharge state during the water discharge from the second water discharge unit 4b (t121 in FIG. 22), the second water discharge unit is used. Since the water discharge from the unit 4b is stopped, the water from the first water discharge unit 4a and the functional water are simultaneously discharged, and it is possible to prevent the functional water from being wasted. Further, after the first water discharge unit 4a is stopped (t123 in FIG. 22), the water discharge from the second water discharge unit 4b is started again (t124 in FIG. 22), so that the functional water is surely discharged. It can be carried out and the growth of germs can be suppressed.

Although the preferred embodiment of the present invention has been described above, various modifications can be made to the above-described embodiment. In particular, in the first and third embodiments described above, when the approach sensor 18 changes from the non-detection state in which the approach sensor 18 does not detect the approach of the object to be detected to the detection state in which it is detected, the controller 40 is the first. It is determined that the water discharge portion 4a of the water discharge unit 4a has changed from the water discharge state to the water discharge state. Further, in the second and fourth embodiments, when the controller 40 changes from the detection state in which the approach sensor 18 detects the approach of the object to be detected to the non-detection state in which the object to be detected is not detected, the controller 40 discharges the first water. It is determined that the part 4a has changed from the water discharge state to the water stop state. However, the invention can also be configured to detect changes between the water stop state and the water discharge state based on other information. For example, it detects a change between the water stop state and the water discharge state based on the opening and closing of the water solenoid valve 28a and / or the hot water solenoid valve 28b, and detects water discharge and water stop from the first water discharge unit 4a. It is also possible to provide a sensor separately and detect the change between the water stop state and the water discharge state based on the detection signal of this sensor.

Further, in the above-described embodiment, the present invention has been applied to a washbasin provided with an automatic faucet that discharges water when an object to be detected is detected by the proximity sensor 18, but as a modification, a manual faucet is applied. The present invention can also be applied to a washbasin equipped with a device.

FIG. 23 is a diagram showing an operation unit of the faucet device in the wash basin of this modified example.
In this modification, the on-off valve (not shown) is opened and closed by the user manually operating the operation unit shown in FIG. 23, and water discharge and water stop can be switched. As shown in FIG. 23, the operation unit 50 in this modification has a base unit 52 and an operation lever 54 rotatably attached to the base unit 52. When the operating lever 54 is in the closed position shown by the solid line, the faucet device is stopped, and when the operating lever 54 is rotated to the open position shown by the imaginary line, water discharge is started. There is.

Further, a magnet 54a is embedded in the operation lever 54. On the other hand, the Hall element 52a, which is a magnetic sensor, is embedded in the base portion 52 at a position facing the magnet 54a. As a result, the Hall element 52a detects the magnetism of the magnet 54a when the operating lever 54 is in the closed position. On the other hand, when the operation lever 54 is rotated to the open position, the magnet 54a does not face the Hall element 52a, and the Hall element 52a does not detect the magnetism of the magnet 54a. Therefore, the Hall element 52a functions as a water discharge sensor, and the controller 40 detects the start or end of water discharge based on the detection signal by the Hall element 52a. Further, based on this information, the controller 40 starts counting the work waiting time in step S1 of FIG. 5, step S21 of FIG. 12, step S51 of FIG. 18, steps S3 and S9 of FIG. 5, and step S24 of FIG. It is possible to determine the presence or absence of water discharge in steps S27 and S33 and steps S53 and S58 of FIG. According to this modification, the present invention can also be applied to a washbasin having a manual faucet device.

1 Washbasin according to the embodiment of the present invention 2 Bowl part 2a Drainage port 4 Faucet device unit 4a First water discharge part 4b Second water discharge part 6 Lower cabinet 8 Upper cabinet 10 Flow control / temperature control valve 10a Operation lever 12 Operation Switch 14 Touch switch 16 Lighting LED
18 Approach sensor 20a Water supply pipe 20b Hot water supply pipe 22a Water stop valve 22b Water stop valve 24a Filter 24b Filter 28a Solenoid valve for water (solenoid valve for tap water)
28b Solenoid valve for hot water (solenoid valve for tap water)
30 Solenoid valve for functional water 32 Pressure regulating valve 34 Safety valve 36 Check valve 38 Electrolytic cell 40 Controller (control unit)
42 AC power supply 50 Operation unit 52 Base unit 52a Hall element 54 Operation lever 54a Magnet

Claims (7)

A washbasin that can discharge tap water and functional water that has a sterilizing effect.
A bowl with a drain and
The first water discharge part for discharging tap water to this bowl part,
A second water discharge part for discharging functional water having a sterilizing action to the bowl part, and
A solenoid valve for functional water for switching between water discharge and water stop from this second water discharge part,
After the completion of water discharge from the first water discharge unit, the control unit that opens the solenoid valve for functional water and discharges water from the second water discharge unit.
A solenoid valve for tap water for switching between water discharge and water stoppage from the first water discharge unit,
It has an approach sensor that detects the approach of the object to be detected to the first water discharge portion .
After the start of water discharge from the first water discharge unit, the control unit executes a work waiting process for a predetermined work equivalent time assumed as one use time of the washbasin by the user, and then the second. Perform spouting from the spouting part of
The control unit is configured to open the solenoid valve for tap water and discharge tap water while the approach sensor detects the approach of the object to be detected.
The control unit starts the work waiting process when the first water discharge unit changes from the water discharge state to the water discharge state.
The control unit re-executes the work waiting process even when the first water discharge unit shifts to the water discharge state and then changes to the water discharge state again during the execution of the work waiting process. After the work waiting process being executed is completed, water is discharged from the second water discharge unit.
At the end of the work waiting process, when the first water discharge unit is in the water discharge state, the control unit is in the second water discharge unit after the first water discharge unit is in the water stop state. A washbasin characterized by performing water spouting from . A washbasin that can discharge tap water and functional water that has a sterilizing effect.
A bowl with a drain and
The first water discharge part for discharging tap water to this bowl part,
A second water discharge part for discharging functional water having a sterilizing action to the bowl part, and
A solenoid valve for functional water for switching between water discharge and water stop from this second water discharge part,
After the completion of water discharge from the first water discharge unit, the control unit that opens the solenoid valve for functional water and discharges water from the second water discharge unit.
A solenoid valve for tap water for switching between water discharge and water stoppage from the first water discharge unit,
It has an approach sensor that detects the approach of the object to be detected to the first water discharge portion.
After the start of water discharge from the first water discharge unit, the control unit executes a work waiting process for a predetermined work equivalent time assumed as one use time of the washbasin by the user, and then the second. Perform spouting from the spouting part of
The control unit is configured to open the solenoid valve for tap water and discharge tap water while the approach sensor detects the approach of the object to be detected.
The control unit starts the work waiting process when the first water discharge unit changes from the water discharge state to the water discharge state.
During the execution of the work waiting process, the control unit re-executes and executes the work waiting process when the first water discharge unit shifts to the water discharge state and then changes to the water discharge state again. A wash basin characterized in that water is discharged from the second water discharge unit after the work waiting process in the process is completed . A washbasin that can discharge tap water and functional water that has a sterilizing effect.
A bowl with a drain and
The first water discharge part for discharging tap water to this bowl part,
A second water discharge part for discharging functional water having a sterilizing action to the bowl part, and
A solenoid valve for functional water for switching between water discharge and water stop from this second water discharge part,
After the completion of water discharge from the first water discharge unit, the control unit that opens the solenoid valve for functional water and discharges water from the second water discharge unit.
A solenoid valve for tap water for switching between water discharge and water stoppage from the first water discharge unit,
It has an approach sensor that detects the approach of the object to be detected to the first water discharge portion.
After the water discharge from the first water discharge unit is completed, the control unit executes the work waiting process for a predetermined work equivalent time assumed as the usage time of one washbasin by the user, and then the second. Perform spouting from the spouting part of
The control unit is configured to open the solenoid valve for tap water and discharge tap water while the approach sensor detects the approach of the object to be detected.
The control unit starts the work waiting process when the first water discharge unit changes from the water discharge state to the water stop state.
The control unit re-executes the work waiting process even when the first water discharge unit shifts to the water discharge state and then changes to the water stop state again during the execution of the work waiting process. After the work waiting process being executed is completed, water is discharged from the second water discharge unit.
At the end of the work waiting process, when the first water discharge unit is in the water discharge state, the control unit is in the second water discharge unit after the first water discharge unit is in the water stop state. A washbasin characterized by performing water spouting from . A washbasin that can discharge tap water and functional water that has a sterilizing effect.
A bowl with a drain and
The first water discharge part for discharging tap water to this bowl part,
A second water discharge part for discharging functional water having a sterilizing action to the bowl part, and
A solenoid valve for functional water for switching between water discharge and water stop from this second water discharge part,
After the completion of water discharge from the first water discharge unit, the control unit that opens the solenoid valve for functional water and discharges water from the second water discharge unit.
A solenoid valve for tap water for switching between water discharge and water stoppage from the first water discharge unit,
It has an approach sensor that detects the approach of the object to be detected to the first water discharge portion.
After the water discharge from the first water discharge unit is completed, the control unit executes the work waiting process for a predetermined work equivalent time assumed as the usage time of one washbasin by the user, and then the second. Perform spouting from the spouting part of
The control unit is configured to open the solenoid valve for tap water and discharge tap water while the approach sensor detects the approach of the object to be detected.
The control unit starts the work waiting process when the first water discharge unit changes from the water discharge state to the water stop state.
When the first water discharge unit shifts to the water discharge state and then changes to the water stop state again during the execution of the work waiting process, the control unit re-executes and executes the work waiting process. A wash basin characterized in that water is discharged from the second water discharge unit after the work waiting process in the process is completed . When the first water discharge unit is in a water stop state after the work waiting process is completed, the control unit waits for the elapse of a predetermined standby time and starts water discharge from the second water discharge unit. The washbasin according to claim 1 or 2 . The control unit stops the water discharge from the second water discharge unit when the first water discharge unit shifts from the water discharge state to the water discharge state during the water discharge from the second water discharge unit. The wash basin according to any one of claims 1 to 5 , wherein the water discharge from the second water discharge unit is started again after the first water discharge unit is stopped. The washbasin according to any one of claims 1 to 6, wherein the work equivalent time for executing the work waiting process is set to a time between 5 minutes and 60 minutes.

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