JP3026802U - Automatic water soap dispenser - Google Patents

Abstract

(57) Abstract: A device for automatically discharging water soap, which has a long battery life, can be downsized, and can be replaced by a conventional manual water soap dispenser to automatically dispense water soap. The purpose is to realize a container. An automatic dispenser for water soap installed and used in a washbasin or the like, comprising an electromagnetic valve for opening and closing a passage between a container storing water soap and a discharge outlet for water soap, The electromagnetic valve has an electromagnetic coil that generates magnetic flux in a direction that cancels the magnetic flux of the permanent magnet and in a synergistic direction depending on the energization direction, and a movable iron core that opens and closes the valve is disposed in the magnetic path of the permanent magnet. The movable iron core is provided with a spring in a direction separating from the permanent magnet.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 For example, in washrooms at hotels, hospitals, etc., that are used by an unspecified number of people, if water is automatically started upon detecting that one's hand has been put out under the water supply port of the washbasin, and the hand is no longer detected. Although automatic faucets that automatically stop water are becoming popular, automatic dispensers for water soap used for purposes such as disinfection have some pumps, but many are still manual. . The present invention relates to a device for automatically discharging soap such as the automatic faucet.

[0002]

[Prior art]

 FIG. 5 is a vertical sectional view of a conventional manual water soap dispenser, in which a water soap tank 2 is attached to the upper end of a mounting arm 1, and a shaft 3 at the lower end of the tank is attached to a spring of a spring 4 of a spring. When the palm is pushed up against the force, the water soap flows out through the gap between the shaft 3 and the guide 5.

The male screw portion 6 at the lower end of the mounting arm 1 is inserted into the mounting hole of the washbasin 8 and the mounting nut 7 is fixed to the male screw portion 6 from below to be fixed to the washbasin 8. .

Several types of devices for automatically discharging soapy water, such as automatic faucets, have been put on the market for such manual water soap dispensers. All of them are piston pumps using a motor. The structure is such that water soap is discharged by pressing force by driving the or the rotary tube pump.

[0005]

[Problems to be solved by the device]

 However, in these conventional automatic water soap dispensers, the motor operates continuously during the dispensing operation, and the battery power is consumed while the motor is running, so the battery life is short. Moreover, there is a defect that the device itself becomes large. In addition, because it is discharged under pressure, the momentum is too strong, and when it is received in the palm of the hand, the water soap bounces and scatters.

The technical problem of the present invention is to pay attention to such a problem, and in the water soap automatic dispenser which can be installed by replacing the conventional manual water soap dispenser, the dry battery has a long life and the discharge power is appropriate. Moreover, it is to realize a small and inexpensive device.

[0007]

[Means for Solving the Problems]

 The technical problem of the present invention is solved by the following means. A first aspect of the present invention is an automatic water soap dispenser installed and used in a washbasin or the like, comprising a solenoid valve for opening and closing a passage between a container storing water soap and a water soap outlet. ing.

This electromagnetic valve has an electromagnetic coil for generating magnetic flux in a direction in which the magnetic flux from the permanent magnet is canceled and in a synergistic direction depending on the energizing direction, and the magnetic path by the permanent magnet is used to drive the valve to open and close. An iron core is provided, and the structure is provided with a spring that generates a spring force in a direction of separating the movable iron core from the permanent magnet.

A second aspect of the present invention is an automatic water soap dispenser equipped with a dry battery mounting mechanism so that a dry battery can be used as a drive power source for the solenoid valve according to the first aspect.

According to a third aspect of the present invention, a detecting means for detecting the presence or absence of a hand or the like is provided, and the electromagnetic coil of the electromagnetic valve according to the first or second aspect is detected by a detection signal from the detecting means. This is a sensor-type automatic water soap dispenser with a circuit configuration that controls the energization of the sensor.

According to a fourth aspect of the present invention, a manual operating means is provided, and the electromagnetic coil of the solenoid valve according to the first, second or third aspect is energized by an output signal from the manual operating means. It is an automatic water soap dispenser with a controlled circuit configuration.

According to a fifth aspect of the present invention, there is provided a mounting portion which can be mounted by using the mounting hole of the manual water soap container provided in the existing washbasin, and the mounting portion and the solenoid valve and the An automatic water soap dispenser is connected to the mounting part of the water soap storage tank by a casing. In addition, a dry battery mounting mechanism, a control circuit, and the like are built in this casing.

[0013]

[Action]

 According to the first aspect, the electromagnetic valve for opening and closing the passage between the water soap storage container and the water soap discharge port is provided, and the discharge of the water soap can be controlled by the electromagnetic valve that is smaller and cheaper than the motor. The device can be downsized and the cost can be reduced.

In this solenoid valve, a movable iron core for opening and closing a valve body such as a diaphragm is arranged in a magnetic path of permanent magnets, and the direction of magnetic flux is changed by the direction of energization of the electromagnetic coil. Since the movable iron core is driven by reversing, the power consumption is short only while the direction of the magnetic flux is reversed, and the battery has a long life.

According to the second aspect of the present invention, since the dry battery mounting mechanism is provided and the dry battery can be used as the driving power source for the solenoid valve, it can be easily retrofitted and no special wiring work is required.

According to the third aspect of the invention, since the circuit configuration is such that the energization to the electromagnetic coil of the solenoid valve is controlled by the detection signal from the detection means such as the hand, the hand is inserted. Can be detected and water soap can be automatically discharged.

According to a fourth aspect of the present invention, the circuit configuration is such that the energization of the electromagnetic coil of the electromagnetic valve is controlled by the output signal from the manual operating means. Therefore, in addition to the automatic discharge function, the push button You can also discharge water soap by manual operation with a switch.

According to a fifth aspect of the present invention, there is provided a mounting portion which can be mounted by using a mounting hole for a manual water soap, which is provided in an existing washbasin, and the mounting portion and the solenoid valve described above. Because of the structure in which the casing and the mounting part of the water soap storage tank are connected, the existing manual water soap dispenser can be removed and the water soap automatic dispenser of the present invention can be replaced. In addition, parts and devices such as dry batteries and control circuits can be built in the casing to simplify the appearance. Moreover, since it has a built-in dry battery, no special wiring work is required and it can be easily retrofitted.

[0019]

【Example】

 Next, practical examples of how the automatic water soap dispenser according to the present invention is embodied will be described. 2 is a front view of the automatic water soap dispenser according to the present invention, and FIG. 1 is an enlarged cross-sectional view taken along the line AA in FIG.

Reference numeral 9a is an upper casing, 9b is a lower casing, and a casing 9 is constituted by both. The casing 9 is divided into an upper casing 9a and a lower casing 9b, but the dividing position is arbitrary and is not limited to the illustrated example.

The lower end of the lower casing 9b serves as a mounting portion for the washbasin, has an external thread portion 6 formed therein, and has a mounting nut 7 screwed thereto. A tank 2 for storing water soap is connected to the upper end of the upper casing 9a.

A solenoid valve 10 is built in the upper end of the upper casing 9a. Reference numeral 11 denotes a solenoid valve body, and a ring-shaped valve seat 14 is formed between the upward inflow pipe 12 and the downward outflow pipe 13, and the outside of the valve seat 14 communicates with the inflow pipe 12. The inside of the valve seat 14 communicates with the outflow pipe 13. The inflow pipe 12 is inserted in the water soap tank 2, the outflow pipe 13 projects downward from the lower casing 9b, and is fixed by tightening the outlet nut 13n.

An electromagnet 16 that drives a diaphragm 15 that controls the opening and closing of the valve seat 14 is connected to the solenoid valve body 11. The electromagnetic coil 17 of the electromagnet 16 is wound around a non-magnetic coil bobbin 18, and a magnetic cylinder 19 is built in the end of the bobbin 18 on the diaphragm 15 side.

A plunger guide 20 made of a non-magnetic material is inserted inside the coil bobbin 18 and the magnetic cylinder 19, and a plunger (movable iron core) 21 is incorporated therein. The center of the diaphragm 15 is fixed to the tip of the plunger 21, and the outer periphery of the diaphragm 15 is fixed to the solenoid valve body 11.

A permanent magnet 22 is built in the coil bobbin 18, and a coil spring 23 is interposed between the permanent magnet 22 and the plunger 21. In addition, magnetic plates 24 and 25 for forming a magnetic circuit are arranged at both ends of the coil bobbin 18, and the magnetic plates 24 and 25 are connected by a yoke plate made of a magnetic material.

Now, due to the spring force of the coil spring 23 between the permanent magnet 22 and the plunger 21, the plunger 21 and the diaphragm 15 are pushed toward the valve seat 14 side to close the valve seat 14, and the water soap tank 2 The water soap in is not leakable.

In this state, when a magnetic flux in a direction synergistic with the magnetic flux of the permanent magnet 22 is generated by the electromagnetic coil 17, the plunger 21 moves toward the permanent magnet 22 side against the spring force of the coil spring 23. The diaphragm 15 is attracted to the permanent magnet 22, and the diaphragm 15 is held away from the valve seat 14. As a result, the water soap in the water soap tank 2 passes through the valve seat 14 and descends and flows out from the outflow pipe 13.

Next, when the electromagnetic coil 17 is energized so as to generate a magnetic flux in the direction of canceling the magnetic flux by the permanent magnet 22, a force is generated in the direction in which the plunger 21 is separated from the permanent magnet 22, and a spring force of the coil spring 23 is also generated. In addition, the plunger 21 and the diaphragm 15 move to the valve seat 14 side, close the valve seat 14, and are held in the closed state by the spring force of the coil spring 23.

A wiring board 26 is fixed to the lower casing 9b with screws 27, and a dry battery 30 is mounted and fixed to a battery mounting plate 29 fixed to the upper side with screws 28, and a control circuit is provided via an electrode plate 31. And the electric power is supplied to the electromagnetic coil 17.

A sensor 32 for emitting and receiving infrared rays is mounted on the wiring board 26, and the presence or absence of a human hand is detected through a lens 33 fitted in the lower casing 9b. A push button switch 34 is mounted and fixed on the wiring board 26 and is operated by a push button 35 guided by the guide portion 9g of the lower casing 9b. The push button 35 is covered with a push button cover 36 so that the switch mechanism and the wiring board 26 do not get wet.

FIG. 4 is a block diagram showing an electric circuit such as a control circuit formed on the wiring board 26. Reference numeral 37 is a control circuit, which is supplied with DC power from a power supply circuit 30c including a battery 30, and controls the solenoid valve 10 by signals input from a sensor circuit 32c including a sensor 32 and a manual switch 34.

In order to cause the solenoid valve 10 to perform a self-holding operation, the solenoid valve drive circuit 38 is controlled by a signal from the control circuit 37 to control the power supply to the solenoid valve 10. Incidentally, 39 is a voltage detection circuit for detecting the life of the dry battery 30.

This automatic water soap dispenser is completed by covering the lower casing 9b with the upper casing 9a, fixing the lower end with screws 40, and attaching the water soap storage tank 2 to the upper casing 9b. Then, as shown in FIG. 3, the male screw portion 6 at the lower end of the casing 9b is inserted into the mounting hole of the washbasin 8, and the mounting nut 7 is attached to the male screw portion 6 from the lower side and tightened to make the washbasin 8. Fixed.

As described above, when the hand is put out under the outlet nut 13n in the state where it is attached to the washbasin 8, the infrared ray emitted from the sensor 32 hits the hand and the reflected light is received, whereby the hand The presence is detected, and a detection signal from the sensor circuit 32c is input to the control circuit 37.

As a result, a current is supplied to the electromagnetic coil 17 of the electromagnetic valve 10 via the electromagnetic valve drive circuit 38 in the direction of generating a magnetic flux in a direction synergistic with the magnetic flux of the permanent magnet 22, and the plunger 21 is permanently driven. The diaphragm 15 is attracted by the magnet 22, and the water soap from the water soap tank 2 passes through the valve seat 14 and descends and flows out.

Since the solenoid valve 10 has the self-holding structure as described above, the energization to the solenoid coil 17 is immediately stopped, but the plunger 21 remains attracted to the permanent magnet 22 and the supply of water soap continues. .

When water soap is supplied to the palm of the hand and the hand retreats, the reflected light does not enter the sensor 32. Therefore, the signal causes the electromagnetic coil 17 to be transmitted to the electromagnetic coil 17 via the electromagnetic valve drive circuit 38. Reverse current is supplied.

As a result, the electromagnetic coil 17 is energized with a current in the opposite direction to that when the valve is opened, so that a magnetic flux is generated in the direction of canceling the magnetic flux of the permanent magnet 22 to generate a repulsive force and the coil spring 23. The spring force is also applied to move the plunger 21 in the valve closing direction, the diaphragm 15 closes the valve seat 14, and the supply of water soap is terminated.

In this way, the solenoid valve is closed at the moment when the hand is no longer detected, and the discharge of soapy water is stopped. However, in order to prevent the diaphragm 15 from being left open while the hand is being detected, the timer built into the sensor circuit 32c keeps the hand out and the detection signal is continuously input to the control circuit 37. However, after a certain period of time, a reverse current is passed through the electromagnetic coil 17 to automatically close the diaphragm 15.

The time until the valve is automatically closed can be selected in the range of about 1 to 4 seconds by the select switch attached to the circuit depending on the type of water soap used.

Since the automatic water soap dispenser of the present invention has the self-holding structure as described above, the solenoid valve consumes the current from the dry battery for about 30 msec at the moment of opening the valve, and 30 msec immediately before closing. It only consumes the closing current and does not consume the current during that time. Therefore, if a battery (2CR5) for a camera is used as the dry battery 30, the battery life will be about 3 years, assuming 100 times / day. .

If the amount of automatically supplied water soap is insufficient, pressing the push button 35 with the fingertip causes the water soap to flow out only while the button is pressed. That is, when the push button 35 is pressed, the electromagnetic coil 17 is energized by the input signal from the manual switch 34, the diaphragm 15 is opened, and the permanent magnet 22 is held by itself.

When the push button 35 is released, the signal is input to the control circuit 37, a reverse current is applied to the electromagnetic coil 17, the magnetic flux of the permanent magnet 22 is canceled, and the diaphragm 15 is closed. Therefore, it can be discharged by the switch operation, and it has various operation functions.

Although the storage tank 2 for water soap may be newly manufactured, basically, a container for a manual water soap container can be used as it is, and the container can be installed in a conventional manual water soap container. The mounting holes of can be used as they are. The valve structure of the solenoid valve is also an example, and valve structures other than diaphragms are possible.

[0045]

[Effect of device]

 As in claim 1, since the solenoid valve for opening and closing the passage between the water soap storage container and the water soap outlet is provided, the discharge of water soap is controlled by a solenoid valve that is smaller and cheaper than the motor. it can. Moreover, the permanent magnets are used to drive the movable iron core by reversing the direction of the magnetic flux depending on the direction of energization of the electromagnetic coil, and self-holding, so the power consumption is only during the reversing of the magnetic flux direction. And the battery has a long life.

According to the second aspect of the present invention, since the dry battery mounting mechanism is provided and the dry battery can be used as the driving power source for the solenoid valve, the wiring is troublesome when replacing the conventional manual water soap container. No work is required and no special work is required.

According to the third aspect of the invention, since the energization of the electromagnetic coil of the electromagnetic valve is controlled by the detection signal when the hand is detected, the water soap can be automatically discharged only when the hand is washed. Since there is no need to operate anything, it is hygienic and easy to operate.

According to the present invention, since the energization of the electromagnetic coil is controlled by the output signal from the manual operation means such as the push button switch, the water soap can be operated by the manual switch operation in addition to the automatic discharge function. It can be ejected and water soap can be used in the desired amount.

According to the present invention, since the mounting portion is provided at the lower end of the casing and the mounting portion can be mounted by using the mounting hole of the manual water soap container provided in the existing washbasin, the conventional manual water It can be easily retrofitted by replacing it with a soap dish. In addition, since the casing has various components and devices such as batteries and control circuit, the appearance can be simplified and the design is neat. Since it has a built-in dry battery, it does not require wiring work and can be easily retrofitted.

[Brief description of drawings]

FIG. 1 is an enlarged cross-sectional view taken along the line AA in FIG.

FIG. 2 is a front view of an automatic water soap dispenser according to the present invention.

FIG. 3 is a partial cross-sectional view showing a state where the automatic water soap dispenser according to the present invention is attached to a washbasin.

FIG. 4 is a block diagram of an electric circuit of the sensor type automatic water soap dispenser according to the present invention.

FIG. 5 is a vertical sectional view of a conventional manual water soap dispenser.

[Explanation of symbols]

 2 Water soap tank 8 Washbasin 9 Casing 9a Upper casing 9b Lower casing 10 Electromagnetic valve 11 Electromagnetic valve body 12 Inflow pipe 13 Outflow pipe 14 Valve seat 15 Diaphragm 16 Electromagnet 17 Electromagnetic coil 21 Plunger 22 Permanent magnet 23 Spring 26 Wiring board 29 Battery mounting plate 30 Dry battery 32 Sensor 34 Push button switch 35 Push button

Claims (5)

[Scope of utility model registration request] 1. An automatic dispenser for water soap installed in a washbasin or the like, comprising an electromagnetic valve for opening and closing a passage between a container storing water soap and a discharge opening for water soap. The electromagnetic valve has an electromagnetic coil that generates magnetic flux in a direction that cancels the magnetic flux of the permanent magnet and in a synergistic direction depending on the energization direction, and a movable iron core that drives the valve to open and close in the magnetic path of the permanent magnet. And a spring for generating a spring force in the direction of separating the movable iron core from the permanent magnet. 2. The automatic dispenser for water soap according to claim 1, wherein a dry battery mounting mechanism is provided so that a dry battery can be used as a driving power source for the solenoid valve. 3. A circuit means is provided with a detection means for detecting the presence or absence of a hand and the like, and the energization of the electromagnetic coil of the solenoid valve is controlled by a detection signal from the detection means. The sensor type water soap automatic dispenser according to claim 1 or 2, characterized in that. 4. A circuit structure comprising a manual operation means, wherein the output signal from the manual operation means controls energization of an electromagnetic coil of the electromagnetic valve. The automatic soap dispenser according to claim 1, claim 2 or claim 3. 5. A mounting part which can be mounted by using a mounting hole of a manual water soap container provided in an existing washbasin, and mounting the mounting part and the solenoid valve and the water soap storage tank. 5. The water according to any one of claims 1 to 4, wherein the parts are connected by a casing, and a mounting mechanism for a dry battery, a control circuit, and the like are built in the casing. Automatic soap dispenser.