JP2000144835A - Automatic faucet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automatic faucet capable of restraining scattering of water to a counter in washing hands by reducing an instantaneous flow, and mixing bubbles, and of completing a series of actions from washing to drying above a basin by providing a drying function. SOLUTION: As a user stretches out his hands under a faucet 1, a detection sensor 16 detects the hands, a controller 19 opens a solenoid valve 17, and it starts an air pump 12. Supplied air passes through an air hose 13 to be mixed in water in the form of fine bubbles in a bubble mixing part 9, it is flow- rectified in a mesh 4, the fine bubbles become those of a large diameter to be uniformly dispersed and mixed, and it is discharged from a discharge port 6 to around a center of a basin. After that, as the bands are moved to a position apart from a detection range of the detection sensor 16, the detection sensor 16 detects it, the solenoid valve 17 is closed by the controller 19, discharge of water is stopped, and the air pump 12 is stopped.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic faucet having a detection sensor for detecting a part of a human body and starting water discharge when the detection sensor detects a part of the human body.

[0002]

2. Description of the Related Art A conventional automatic faucet has a detection sensor for detecting a part of a human body, and when a part of the human body is detected by the detection sensor, water is discharged from the callan. The water discharge from the callan was 5 L / MIN or more. Water was discharged almost at the center of the hand-washing basin, and the water discharge was rectified by a mesh or a straightening plate, so that the hand was easy to wash and was easy to use. After washing the hands, the hands were dried in a dryer installed separately from the automatic faucet.

[0003]

However, in the above-mentioned conventional automatic faucet, when the hands are washed, the instantaneous flow rate of spouting water is large, so that the water often scatters to the counter due to the hand-washing operation, and the counter is often flushed. After that, water drops that got on the hand are shaken off, or water drops that got on the hand before going to the nearby dryer fall on the counter or floor, and the counter and floor become watery and dirty, often impairing cleanliness Together with the time required for cleaning work,
It was quite expensive.

Accordingly, the present invention has been made in view of the above-mentioned problems, and firstly, by reducing the instantaneous flow rate of spouting water and mixing air bubbles, it is possible to suppress water scattering to the counter during hand washing. It is another object of the present invention to provide an automatic faucet for facilitating hand-washing, and at the same time, conserving water, since spouting water is discharged to near the center of a hand-washing basin.

Secondly, by having a drying function so that the hands can be dried, a series of operations from hand washing to hand drying can be completed on the wash basin, and water drops that have arrived on the hands by hand washing can be removed. It is an object of the present invention to provide an automatic faucet that can be prevented from dropping on a counter or a floor and that has improved usability.

[0006]

According to a first aspect of the present invention, there is provided an image forming apparatus, comprising: a discharge port for discharging water; a detection sensor for detecting a part of a human body; In an automatic faucet having an air supply means for supplying air and an open / close valve for supplying water, the open / close of the open / close valve and the start / stop of the air supply means are determined by a signal from the detection sensor. In addition, the air supply means is activated in conjunction with the output signal of the human body detection, and has a controller for controlling the discharge of the water containing the bubbles from the discharge port, so that the supplied air is uniformly and in large amounts in the water. It is characterized by having a bubble mixing portion for mixing in the form of bubbles.

In the present invention, the air supply means is activated in conjunction with the output signal of the detection of the human body by the detection sensor, and a controller is provided for controlling water containing air bubbles to be discharged from the discharge port. When a part of the human body is put out, a part of the human body is detected by the detection sensor, the on-off valve opens and the air is automatically supplied, so that the water discharge becomes a stable flow containing a large amount of air bubbles from the start of water discharge When no human body is detected, the on-off valve is closed and the supply of air is stopped, so that only the air supply means is not operated. Furthermore, by having a bubble mixing section for mixing the supplied air uniformly and in large quantities in the form of bubbles in water, the discharged water contains a large amount of bubbles evenly despite the small amount of discharged water. As a result, the flow becomes stable and does not fluctuate, and the spouted water with a voluminous volume is discharged to the vicinity of the center of the basin. In addition, a large amount of air bubbles contained in the water spouts cling to the hands during hand washing, so that it is possible to prevent water from splashing on the counter.

The invention according to claim 2 is characterized in that the bubble mixing section has a bubble dispersing mechanism for mixing air uniformly and in large quantities in the form of fine bubbles by the shearing force of water.

In the present invention, since the air has a bubble dispersing mechanism, a large amount of fine single bubbles can be stably dispersed and mixed in water by the shearing force of water in the bubble dispersing mechanism. Nevertheless, it is possible to discharge water to the vicinity of the center of the basin, and to realize stable water discharge that does not include bubbles and that is less scattered.

According to a third aspect of the present invention, the bubble mixing section has a plurality of nozzles having a smaller diameter than the discharge port and an air inlet having a larger diameter than the nozzle, and a large amount of bubbles are supplied to the flow from each nozzle. It is characterized in that it can be mixed.

In the present invention, a negative pressure is generated in the air inlet having a larger diameter than the nozzle by the flow from the plurality of nozzles having a smaller diameter than the discharge port, and the air supplied by the viscosity of the flow from the nozzle is an air. Since a stream containing a large amount of air bubbles can be discharged by being dragged into the entrainment opening, it is possible to discharge water to the vicinity of the center of the basin, and to realize stable water discharge with little scattering even though the water discharge amount is small. .

According to a fourth aspect of the present invention, the air bubble mixing section is provided in a discharge section having a discharge port detachable from the callan.

[0013] In the present invention, by installing the bubble mixing section in the discharge section having a discharge port detachable from the callan, bubbles mixed in water are prevented from coalescing into a bubble mass in the water passage. In addition, stable water discharge can be realized, and maintenance can be improved and the conventional design can be maintained by installing the bubble mixing section in the easily detachable discharge section.

According to a fifth aspect of the present invention, the apparatus has a flow rate adjusting means for making the discharge flow rate constant, wherein the flow rate adjusting means and the bubble mixing section are integrated and installed in the discharge section.

In the present invention, the maintainability is improved by integrating the flow rate adjusting means and the air bubble mixing section into the discharge section.

The invention according to claim 6 is characterized in that a joint for supplying water and air to the bubble mixing section is shared.

In the present invention, the water and air flow paths are simultaneously secured by connecting the easily detachable discharge section to the joint, so that the assemblability is improved.

The invention according to claim 7 is characterized in that the detection sensor, the air supply means, the air bubble mixing section, the flow rate adjusting means, the on-off valve and the controller are installed in a curran.

According to the present invention, since the functional components such as the detection sensor, the air supply means, the flow rate adjusting means, the on-off valve and the controller are installed in the callan, the electric wiring is only in the callan, so that the electric wiring becomes clear and the water passage is provided. The construction can be performed by simply connecting the connection, and the workability can be improved.

The invention according to claim 8 is characterized in that the discharge section has a blower port and a blower for blowing air to the blower port.

In the present invention, since the discharge section is provided with a blower port and a blower means for blowing air to the blower port, it is possible to dry hands on the spot after washing the hands, so that the user has arrived at the hand. Water drops can be prevented from falling to the counter.

According to a ninth aspect of the present invention, the air supply means and the air blowing means are common.

In the present invention, a compact automatic faucet can be provided by sharing the air supply means and the blowing means.

According to a tenth aspect of the present invention, there is provided a control unit for controlling so that water is discharged at the first detection of the detection sensor and air is blown from the blower port at the second detection. And

According to the present invention, since the control unit is provided for controlling the discharge of water at the first detection of the detection sensor and the supply of air from the blower port at the second detection, the control unit can prevent the hand from being washed. A series of actions up to drying can be performed automatically.

According to an eleventh aspect of the present invention, the first detection by the detection sensor is completed, and if the second detection is not performed within a predetermined time, the sensor is reset to an initial state.

In the present invention, if the first detection by the detection sensor is completed and the second detection is not performed within a predetermined time, the user is reset to the initial state, so that the user can only wash his / her hands and Even if you leave, it is easy for the next user to start from the initial state.

According to a twelfth aspect of the present invention, there is provided a control device for controlling the discharge of water upon detection of the detection sensor so that air can be blown from a blow port after a lapse of a predetermined time.

According to the present invention, a control unit is provided for controlling the discharge of water upon detection of the detection sensor and for performing the blow from the blow port after a certain period of time, so that after the hand is washed in the sensor detection area. Even when the hand is still in the detection area, the hand starts to dry after a certain period of time, and a series of actions can be automatically performed.

According to a thirteenth aspect of the present invention, there is provided a mode switching means between an automatic mode for automatically discharging and blowing water to the caran and an individual mode, and automatic operation is performed only by the detection sensor in the automatic mode. It is characterized by doing.

In the present invention, there is provided a mode switching means between an automatic mode for automatically discharging and blowing air to the caran and an individual mode, and the automatic operation is performed only by the detection of the detection sensor in the automatic mode. It can be used with automatic washing, drying, washing only, or drying alone.

[0032]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIG. FIG. 1 is a schematic configuration diagram of an automatic faucet according to one embodiment of the present invention. 1 is a curan, 2 is a water hose, 3 is a water discharge joint, 4 is a mesh, 5 is a discharge part, 6 is a discharge port, 9 is a bubble mixing part, and 12 is an air pump as an air supply means provided with a pump motor 11. , 13 is an air hose for supplying air to the air bubble mixing section 9, 16 is a detection sensor including a pair of transmitting and receiving elements for detecting a part of a human body, 17 is an electromagnetic valve, 18 is a water stopcock , 19 are controllers for controlling the solenoid valve 17 and the air pump 12. As the air supply means, in this embodiment, a rolling pump,
Although an air pump such as a vane pump, a rotary pump, or a linear pump is used, a turbofan or the like may be used.

The bubble mixing section 9 is composed of a porous body 15 and an air chamber 14. A large number of independent openings are provided on the inner surface of the water passage hole 15a of the porous body 15, and the bubbles are miniaturized by the shearing force of water. I do. In the present embodiment, the porous body 15 is formed by filling substantially spherical particles of ultra-high molecular weight polyethylene and press-molding. It may be a structure. The air chamber 14 functions as a buffer region that absorbs pressure fluctuations and pressure distribution. The air bubble mixing section 9 includes the water discharge joint 3 and the guide 1
The guide 10 is connected to the discharge unit 5 by being pinched and fixed by the zero.

The operation of this embodiment having the above configuration will be described. When the user reaches out under Kallang 1,
When the detection sensor 16 detects the hand, the controller 19
Opens the electromagnetic valve 17 and activates the air pump 12. The supplied air passes through the air hose 13 and is mixed in the form of microbubbles into the water in the bubble mixing section 9. The water containing the microbubbles is rectified by the mesh 4 and the microbubbles are increased in diameter and uniform. And water is discharged from the discharge port 6 to the vicinity of the center of the basin (not shown). The user can wash his / her hands in the center of the basin despite the small amount of water, so it is easy to use, the amount of water is small, and the bubbles cling to the hands. The feeling of cleanliness is improved.

Thereafter, when the hand is moved to a position distant from the detection area of the detection sensor 16, the detection by the detection sensor 16 ends, the solenoid valve 17 is closed by the controller 19, the water discharge is stopped, and the air pump 12 is stopped. Is also stopped. Therefore, water discharge and air entrainment can be controlled only by the signal from the detection sensor 16, and the conventional hand-washing feeling can be used without impairing the conventional hand-washing feeling despite a small amount of water discharge without a significant change in specifications.

Another embodiment of the present invention will be described with reference to FIG. FIG. 2 is a schematic configuration diagram of an automatic faucet according to another embodiment of the present invention, in which a bubble mixing section is installed in a discharge section having a discharge port detachable from a callan. 31 is a caran, 32 is a water hose, 33 is a discharge part, 33a is a discharge port, 34 is a mesh, 35 is a basin, 38 is an air pump as air supply means, 40 is a solenoid valve, 41 is a water stopcock, 42 is a detection sensor for detecting a hand, 43 is a controller for controlling the electromagnetic valve 40 and the air pump 38, and 45 is a joint and an air hose 39.

The bubble mixing section 36 includes a porous body 36a, a porous body insertion section 36b, a porous body retainer 36c, and an air flow path 36d. The air bubble mixing section 36 is composed of four flow paths, the porous body 36a is arranged in each flow path, and the air supplied from the air pump 38 through the air hose 39 is supplied from the air flow path 36d to each of the air flow paths 36d. It is supplied to the porous body 36a. Further, the porous body insertion portion 36 of the bubble mixing portion 36
The b and the porous body retainer 36c are ultrasonically welded so that the air supplied from the air flow path 36d is entirely supplied to the porous body 36a without escaping from the bubble mixing section 36 to the outside. In this embodiment, four channels are used. However, the number of channels depends on the generation state of microbubbles and the porous body 36a.
Of the porous body 36a and the type of the porous body 36a.

The water flow that has reached the bubble mixing section 36 is divided and introduced into the four porous bodies 36a of the bubble mixing section 36, and the air supplied from the air pump 38 as the air supply means passes through the air flow path 36d to form the porous body 36a. At the same time, and are mixed into water. The four water streams containing the fine bubbles are converted into one flow by the mesh 34, and the diameter of the fine bubbles is increased, so that the fine bubbles are uniformly dispersed during the flow. At this time, the water discharged from the discharge port 33a is a stable rectified water discharge containing large bubbles.

A large number of independent openings are provided on the surface of the porous body 36a which is in contact with the water, and the bubbles are made fine by the shearing force of the water. The porous body 36a forms a part of the water passage, is provided on the entire circumference of the water passage wall, and is provided extending in the water passage direction, so that turbulence and stagnation of the flow are not generated, and the opening area is reduced. Larger size and low bubble generation density at the opening, so even if a large amount of air is mixed in, bubbles are less likely to coalesce at the time of bubble generation and fine closed cells can be generated, ensuring momentum due to air pressure. In addition, the water can be efficiently and quickly transmitted to the water. In addition, fine bubbles have high rigidity and are not easily deformed, and do not perform unnecessary movement, so that energy loss is small.

The porous body 36a is filled with substantially spherical particles of ultra-high-molecular-weight polyethylene and molded by heating. The surface of the porous body 36a is an independent opening in which the voids are divided by the particles. Can be generated. In addition, by filling the particles with substantially uniform particles, the openings are arranged regularly in a substantially lattice shape, and bubbles are less likely to coalesce at the time of generation.
In this embodiment, the ultra high molecular weight polyethylene is used as the porous body 36a, but it may be heated and molded using substantially spherical particles of polypropylene. The air pump 38 is a rolling pump, but may be a vane pump, a rotary pump, a linear pump, or the like.

The operation of this embodiment with the above configuration will be described. When the user puts his hand under the callan 31, the hand is detected by the detection sensor 32, the solenoid valve 40 is opened by the controller 33 to start water flow, and at the same time, the air pump 38 is started, and the air hose is started. Air is supplied to the bubble mixing section 36 through 39. The supplied air passes through the air flow path 36d, is supplied to the porous body 36a, is miniaturized in the four porous bodies 36a, and is mixed and dispersed in water.
The microbubbles mixed and dispersed in the water are discharged from the four flow paths of the bubble mixing section 36 through the mesh 34 through the discharge port 33a.

In the mesh 34, the fine bubbles are compressed and rectified, and at the same time, have a large diameter and are uniformly dispersed in water. Since the water discharged from the discharge port 33a reaches the vicinity of the center of the wash basin 35, the user can secure a sufficient space for hand washing, thereby increasing the feeling of use. Further, since the user has a soft touch, the feeling of hand washing also increases. Since the amount of water is small and bubbles are clinging to the hands, spouting water does not scatter around the counter and the like by hand washing, so that the feeling of cleanliness is improved. When the user pulls his hand from under the curan 31, the controller 43 receives a signal from the detection sensor 42 and controls the solenoid valve 40.
Is closed and the water is stopped, and at the same time the air pump 38 is stopped.

In the case where the porous body 36a is replaced due to clogging or the like, in this embodiment, since the bubble mixing section 36 including the porous body 36a is disposed in the discharge section 33,
The bubble mixing section 36 including the porous body 36a can be replaced simply by removing the bubble mixing section 36 from the discharge section 33, and the maintenance property is excellent.

FIG. 3 is a schematic configuration diagram in the case where a constant flow valve as a flow control means and a bubble mixing section 36 are integrated and installed in a discharge section 33. The constant flow valve is a water governor 44, which is ultrasonically welded to the bubble mixing section 36. In the conventional automatic faucet, the water governor 44 is installed near the solenoid valve 40 and is inferior in assemblability and maintainability. However, since the water governor 44 is integrated, the water governor 44 is easily attached and detached.

FIG. 4 shows the shape of a connection joint 45 for supplying water and air to the bubble mixing section 36. An air hose 39 for introducing the air supplied from the air pump 38 and a water hose 32 are connected to the connection joint 45. By connecting the discharge part 33 to the connection joint 45, water is supplied to the air bubble mixing part 36. Since the air supply path and the flow path for supplying the air are connected, the assembling property and the maintenance property are excellent.

Another embodiment of the present invention will be described with reference to FIG. FIG. 5 is a schematic configuration diagram of an ejector-type automatic faucet according to another embodiment of the present invention. 51 is Karan, 5
2 is a water hose, 53 is a water discharge joint, 54 is a discharge part, 54
a is a discharge port, 55 is a mesh, 58 is an air pump as air supply means, 60 is an electromagnetic valve, 61 is a water stopcock, 62 is a detection sensor for detecting a hand, 63 is an electromagnetic valve 60 and an air pump 58 , A controller for controlling the air hose 59.

The bubble mixing section 57 includes a plurality of small hole nozzles 57a.
The air nozzle 57a has a larger diameter than the small nozzle 57a for generating a negative pressure by the jet flow from the small nozzle 57a and entraining the air in the air chamber 57c of the bubble mixing part 57. . The water supplied to the bubble mixing section 57 is discharged from the plurality of small-hole nozzles 57a, and enters the air entrapment hole 57b while entraining the air supplied from the air pump 58 into the air chamber 57c. Due to the pressure difference between the pressure at the entrance of the entrapment hole and the pressure at the entrance of the air entrapment hole, the air is further entrained and discharged from the air entrapment hole 57b. This flow is agitated and rectified into a single flow in the mesh 55 and the discharge port 5
4a.

The operation of the present embodiment in the above configuration will be described. When the user puts his / her hand under the callan 51, the hand is detected by the detection sensor 62, the solenoid valve 60 is opened by the controller 63, and water is started. At the same time, the air pump 58 is started, and the air hose is started. Air is supplied to the bubble mixing section 57 through 59. The supplied air is caught in the water and rectified into one by the mesh 55. Since the water discharged from the discharge port 54a reaches the vicinity of the center of the wash basin 56, the user can secure a sufficient space for hand washing, thereby increasing the feeling of use, and further, because of the soft touch, the feeling of hand washing also increases. Further, since the amount of water discharged is reduced, the amount of water splashed during hand washing is reduced, and the counter and floor are not flooded, so that the feeling of cleanliness is improved and the frequency of cleaning can be reduced. When the user pulls his hand from under the curran 51, the electromagnetic valve 60 is closed and water is stopped by the controller 63 in response to a signal from the detection sensor 62, and the air pump 58 is also stopped.

Another embodiment of the present invention will be described with reference to FIG. FIG. 6 is a schematic configuration diagram of an automatic faucet with a drying function according to another embodiment of the present invention. 71 is a callan, 72 is a water hose, 73 is a water discharge joint, 74 is a mesh, 75 is a discharge unit, 75a is a discharge unit, 75b is an air outlet, 76 is a bubble mixing unit, 77 is a bubble fixing unit 76, Ventilation vent 77
a, a turbo fan with a brushless motor 81, 83, an air hose for supplying air to the air bubble mixing section 76, 84, an air duct, 85, a hot air heater for warming the air, 86 is a detection sensor comprising a pair of transmitting and receiving elements for detecting a part of the human body, 87 is an electromagnetic valve, 88 is a water stopcock, 89 is a controller for controlling the electromagnetic valve 87 and the turbo fan 82. is there. 9
Numerals 0 and 91 denote electromagnetic valves for water-side air and electromagnetic valves for blowing-side air, respectively, which are controlled to open and close 90 and 91 so that air bubbles are mixed into water and air is blown for drying hands. Reference numeral 93 denotes a switch for switching between the automatic mode and the individual mode.

The air bubble mixing section 76 includes a porous body 75 and an air chamber 74.
The porous body 75 is provided with a number of independent openings on the inner surface of the water passage hole 75a, and the bubbles are made fine by the shearing force of water. The air chamber 74 functions as a buffer region that absorbs pressure fluctuations and pressure distribution. The bubble mixing section 76 is sandwiched and fixed between the water discharge joint 73 and the guide 77, and the guide 77 is connected to the discharge section 75.

The operation of this embodiment with the above configuration will be described. When the user puts his hand under the callan 71, the hand is detected by the detection sensor 86, the solenoid valve 87 is opened by the controller 89 to start water flow, and at the same time, the turbo fan 82 is also started, and the water-side air is started. The solenoid valve 90 is opened, and air is supplied to the bubble mixing section 76 through the air hose 83. The supplied air is miniaturized in the form of bubbles in a bubble mixing section 76, mixed in water, and rectified into a single stream by a mesh 74. The water discharged from the discharge port 75a reaches the vicinity of the center of the basin (not shown), so that the user can secure a sufficient space for hand washing, thereby increasing the feeling of use. I do. Further, since the amount of water discharged is reduced, the amount of water splashes during hand washing is reduced, and the counter and floor are not flooded, so that the feeling of cleanliness is improved and the frequency of cleaning can be reduced. When the user pulls his hand from under the callan 71, the controller 89 receives a signal from the detection sensor 82 and controls the solenoid valve 87.
Is closed and the water is stopped, and at the same time, the turbo fan 82 is stopped, and the electromagnetic valve 90 for water side air is closed.

Further, when the user again puts his hand under the callan 71, the hand is detected by the detection sensor 82, and the controller 89 supplies power to the hot air heater 85, and at the same time, starts the turbo fan 82, When the blower side air electromagnetic valve 91 is opened, warm air is blown out at about 100 m / s through the blower opening 75b. The user can dry their hands by blowing off water drops on their hands instantly with warm air,
Water drops do not scatter on the counter and fall into the bowl surface of the basin, so that the counter and floor are not flooded, improving the cleanliness and reducing the frequency of cleaning.
When the user pulls his hand from under the curran 71, the controller 89 receives the signal of the detection sensor 82, closes the blower-side air electromagnetic valve 91 by the controller 89, cuts off the power supply to the warm air heater 85, and sets the turbo The fan 82 stops. The automatic faucet is in the initial state, and when you reach out again, it will start with spouting.

If the user presses the water discharge switch 93a of the switch 93 before use, the automatic faucet switches from the automatic mode to the individual mode, and water containing bubbles is discharged to wash the hand. The water is stopped when the user presses the water discharge switch 93a again or after water is discharged for a certain period of time. Thereafter, the automatic faucet switches back to the automatic mode. Also,
When the user presses the drying switch 93b for drying the hand,
Hot air is blown out from the air outlet 75b to dry the hands. After the user presses the drying switch 93b again, or the air is blown for a predetermined time, the blowing is stopped. Thereafter, the automatic faucet switches back to the automatic mode.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of an automatic faucet according to an embodiment of the present invention.

FIG. 2 is a schematic configuration diagram of an automatic faucet according to another embodiment of the present invention.

FIG. 3 is a schematic configuration diagram in a case where a constant flow valve and a bubble mixing section are integrated.

FIG. 4 is a schematic view of a connection joint.

FIG. 5 is a schematic configuration diagram of an ejector-type automatic faucet according to another embodiment of the present invention.

FIG. 6 is a schematic configuration diagram of an automatic faucet with a drying function according to another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Callan 2 ... Water hose 3 ... Water discharge joint 4 ... Mesh 5 ... Discharge part 6 ... Discharge port 9 ... Bubble mixing part 10 ... Guide 11 ... Pump motor 12 ... Air pump 13 ... Air hose 14 ... Air chamber 15 ... Porous body 15a ... water passage 16 ... detection sensor 17 ... solenoid valve 18 ... water stopcock 19 ... controller 31 ... Karan 32 ... water hose 33 ... discharge section 33a ... discharge port 34 ... mesh 35 ... wash basin 36 ... air bubbles Mixing part 36a ... Porous body 36b ... Porous body insertion part 36c ... Porous body holder 36d ... Air flow path 38 ... Air pump 39 ... Air hose 40 ... Solenoid valve 41 ... Water stopcock 42 ... Detection sensor 43 ... Controller 45 ... Joint 51: Callan 52: Water hose 53: Water discharge joint 54: Discharge part 54a: Discharge port 55 ... Mesh 57: Bubble mixing part 57a: Small hole nozzle 57b: Air entrainment 58 ... air pump 59 ... air hose 60 ... solenoid valve 61 ... water stopcock 62 ... detection sensor 63 ... controller 71 ... Karan 72 ... water hose 73 ... water discharge joint 74 ... mesh 75 ... discharge part 75a ... discharge port 75b … Air outlet 76… air bubble mixing part 77… guide 77a… air vent 81… brushless motor 82… turbo fan 83… air hose 84… air blast duct 85… warm air heater 86… detection sensor 87… electromagnetic valve 88… Stopcock 89 ... Controller 90 ... Solenoid valve for water side air 91 ... Solenoid valve for blowing side air 93 ... Switch 93a ... Water discharge switch 93b ... Drying switch

Continuing on the front page (72) Inventor Satoshi Kitazaki 2-1-1 Nakajima, Kokurakita-ku, Kitakyushu-shi, Fukuoka Prefecture Inside Totoki Equipment Co., Ltd. (72) Hitoshi Nakao 2-1-1 Nakajima, Kokurakita-ku, Kitakyushu-shi, Fukuoka No. 1 Toto Kiki Co., Ltd.

Claims (13)

[Claims] 1. A discharge port for discharging water, a detection sensor for detecting a part of a human body, air supply means for forcibly supplying air, and an on-off valve for supplying water. In the automatic faucet having, the opening and closing of the on-off valve and the start and stop of the air supply means are determined by the signal from the detection sensor, and the air supply means is activated in conjunction with the output signal of the human body detection and contains air bubbles. An automatic faucet having a controller for controlling water to be discharged from a discharge port, and having a bubble mixing section for mixing supplied air uniformly and in large quantities in the form of bubbles in water. . 2. The automatic water faucet according to claim 1, wherein said bubble mixing section has a bubble dispersing mechanism for mixing air in a large amount uniformly and in the form of fine bubbles by a shear force of water. 3. The air bubble mixing section has a plurality of nozzles having a smaller diameter than the discharge port and an air inlet having a larger diameter than the nozzle.
2. The automatic faucet according to claim 1, wherein a large amount of air bubbles can be mixed into the flow from each nozzle. 4. The automatic faucet according to claim 2, wherein the air bubble mixing section is provided in a discharge section having a discharge port detachable from the callan. 5. The automatic faucet according to claim 4, further comprising flow rate adjusting means for making the discharge flow rate constant, wherein said flow rate adjusting means and said air bubble mixing section are integrated and installed in said discharge section. . 6. The automatic faucet according to claim 5, wherein a joint for supplying water and air to the air bubble mixing section is shared. 7. The detection sensor, the air supply unit,
The said air bubble mixing part, the said flow control means, the said opening / closing valve, and the said controller were installed in the curran.
The automatic faucet according to any one of claims 1 to 6. 8. The automatic water faucet according to claim 1, further comprising a blower port at the discharge section, and a blower for blowing air to the blower port. 9. The automatic faucet according to claim 8, wherein said air supply means and said air blowing means are common. 10. A control unit for controlling the discharge of water at the first detection of the detection sensor and the control of the blower from the air outlet at the second detection. 9. The automatic faucet according to 9. 11. The automatic water faucet according to claim 8, wherein the first detection of the detection sensor is completed, and if the second detection is not performed within a predetermined time, the automatic water tap is reset to an initial state. 12. The automatic water supply system according to claim 8, further comprising a control unit for discharging water upon detection of the detection sensor and controlling the air to be blown from a blow port after a lapse of a predetermined time. plug. 13. A mode switching means between an automatic mode and an individual mode for automatically discharging and blowing water to the callan,
The automatic faucet according to any one of claims 8 to 12, wherein the automatic faucet is operated automatically by the detection of the detection sensor only in the automatic mode state.