JP3693238B2 - Semi-automatic fixed water stop device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a fixed water stop device that automatically stops water supply when a certain amount of water is supplied, and more particularly to a fixed water stop device that opens and closes a water channel with an electric drive valve such as an electromagnetic valve.
[0002]
[Prior art]
Conventionally, a fixed water stop device that automatically stops water supply when a certain amount of water is supplied in various water supply devices has been used.
For example, in a faucet or the like in a bathroom, water discharge (water supply) is started by operating a push button, and water discharge is automatically stopped when water for one cup of water is discharged.
Alternatively, when water is supplied to the bathtub, the water supply is automatically stopped when a certain amount of bathtub water is accumulated, that is, when a certain amount of water is supplied to the bathtub.
Furthermore, in a flush valve (toilet bowl cleaning device) that supplies flush water to the toilet bowl and performs flushing of the toilet bowl, a certain amount of water is supplied when the water supply is started by button operation, and then the water supply is automatically stopped. It has become.
[0003]
[Problems to be solved by the invention]
However, the quantitative water stop device conventionally used in this type of water supply device mechanically measures the water supply amount, and mechanically closes the valve when the water supply amount reaches a certain amount, For this reason, the structure is complicated and bulky in addition to the problem that the amount of water supply that should be constant varies and is insufficient in terms of accuracy, and the structure is complicated and fragile. There was a problem that it was too expensive.
[0004]
[Means for Solving the Problems]
The fixed water stop device of the present invention has been devised to solve such problems.
Thus, according to the first aspect of the present invention, the water passage is opened and closed by the electrically driven valve that is electrically driven, and the electric drive valve is closed when the integrated flow rate of the water passage reaches the set flow rate after the valve is opened. A water stop device, wherein the electrically driven valve is a valve that is opened electrically non-electrically by manual operation and is held open after the valve is opened, and then electrically closed. A generator equipped with a water wheel rotating in the water flow of the water channel is provided to generate power based on the rotation of the water wheel, generate a pulse according to the rotation speed of the water wheel, and calculate the accumulated flow rate of the water channel by counting the pulse. When the detected value reaches the set value, driving electric power for closing the electric drive valve is supplied to the electric drive valve under the control of the control unit, and the water supply is started by the manual operation, and the amount of water after the water supply is started. By quantitative detection, closing of the electrically driven valve Wherein the are no to perform until the water stops automatically.
[0005]
According to a second aspect of the present invention, in the first aspect, the electrically driven valve is a solenoid valve.
[0006]
According to a third aspect of the present invention, in any one of the first and second aspects, a power storage unit that stores power generated by the generator is provided, and the electric drive valve is closed using the power storage unit as a power source. It is characterized by that.
[0007]
According to a fourth aspect of the present invention, in the third aspect, the power storage means is a capacitor.
[0008]
According to a fifth aspect of the present invention, in any one of the first to fourth aspects, the electrically driven valve is a latch-type valve that maintains a state of opening and closing after the valve is opened and closed. Features.
[0009]
According to a sixth aspect of the present invention, in any one of the first to fifth aspects, the semi-automatic fixed water stop device is a toilet cleaning device that supplies toilet water to a toilet and performs toilet cleaning.
[0010]
According to a seventh aspect of the present invention, the toilet cleaning device according to the sixth aspect includes a rim water supply valve that opens and closes a rim water supply passage for supplying water to the rim of the toilet as the electric drive valve, The rim water supply valve is closed when the integrated flow rate of the rim water supply path reaches a set flow rate.
[0011]
According to an eighth aspect of the present invention, there is provided a jet water supply path for supplying water to a jet hole in which the cleaning device for the toilet bowl jets the cleaning water toward the drain trap portion of the toilet bowl as the electrically driven valve. It has a jet water supply valve that opens and closes, and the jet water supply valve is closed when the integrated flow rate of the jet water supply channel reaches a set flow rate.
[0012]
According to a ninth aspect of the present invention, there is provided a rim water supply valve for opening and closing a rim water supply passage for supplying water to the rim of the toilet bowl, and a drainage trap of the toilet bowl as the electrically driven valve. A jet water supply valve that opens and closes a jet water supply path for supplying water to the jet hole for jetting cleaning water toward the part, and the control unit closes the rim water supply valve and the jet water supply valve. It is characterized in that the valve opening is performed in conjunction with the valve opening.
[0013]
According to a tenth aspect of the present invention, in the ninth aspect, the control unit opens the rim water supply valve in conjunction with the closing of the jet water supply valve.
Here, interlocking includes not only the case where the other valve is opened simultaneously with the closing of one valve, but also the case where the other valve is opened immediately before the closing of one valve.
[0014]
[Operation and effect of the invention]
As described above, the fixed water stop device of claim 1 is provided with a water turbine that rotates by the water flow of the water channel, generates a pulse according to the number of rotations of the water wheel, detects the integrated flow rate of the water channel by counting the pulse, When the number of pulses reaches the set value, the electric drive valve is closed to stop water supply. In this fixed water stop device, the pulse count is proportional to the integrated flow rate of the water channel. Therefore, when the set value is set to an appropriate value, the water supply can be reliably stopped when the integrated flow rate, that is, the discharge flow rate reaches the set flow rate required.
That is, the amount of water supply can be controlled to a constant amount with high accuracy.
[0015]
In the present invention, since the integrated flow rate of the water channel is detected based on the number of generated pulses, the quantitative water stop device can be configured compactly with a simple structure and configured as an inexpensive device with few failures. Can do.
Furthermore, since the water turbine is used not only as a pulse generating means but also as a generator, the electric power for operating the electric drive valve is closed by using the water flow in the water channel. It can be generated by rotation.
[0016]
Further, in the present invention, the electrically driven valve is opened manually, mechanically or non-electrically by manual operation, held open after the valve is opened, and then electrically closed. This makes it possible to eliminate the need for a power source for opening and closing the electrically driven valve, further simplifying the configuration of the quantitative water stop device, and using the quantitative water stop device only with an operating force at the start of water flow. In addition, it is only necessary to start water supply, and water supply can be automatically stopped when a certain amount of water is supplied.
That is, the fixed water stop device of the present invention is a semi-automatic fixed water stop device that performs only the water supply start by manual operation and then automatically stops the water supply, and therefore opens and closes the water channel by opening and closing the electrically driven valve. However, although it is a device that supplies a certain amount of water, a special power source and electrical wiring work can be eliminated.
In the present invention, the manual operation is a concept including an operation by a hand and an operation by a part of a human body as well as an operation by a hand.
[0017]
In the present invention, the electrically driven valve can be an electromagnetic valve (claim 2).
In the present invention, power storage means for storing the power generated by the generator can be provided, and this can be used as a power source to supply drive power for closing the electric drive valve (claim). Item 3).
If it does in this way, the special power supply for carrying out the valve closing operation | movement of an electric drive valve will not be required separately, but the structure of a fixed quantity water stop apparatus can further be simplified.
[0018]
Here, a capacitor can be suitably used as the power storage means (claim 4).
In the present invention, the solenoid valve can be a latch-type valve that maintains the open and closed states without power supply after the valve is opened and closed (Claim 5).
[0019]
The fixed-quantity water stop apparatus of this invention can be used suitably as a toilet bowl washing | cleaning apparatus (Claim 6).
In this case, the toilet bowl can be satisfactorily washed by reliably supplying the necessary and appropriate amount of washing water to the toilet bowl.
[0020]
In this case, a rim water supply valve that opens and closes a rim water supply passage for supplying water to the rim of the toilet bowl is provided as an electric drive valve, and the rim water supply valve is opened and closed to supply cleaning water with a necessary amount of water to the rim. be able to. (Claim 7).
Alternatively, as an electrically driven valve, a jet water supply valve for opening and closing a water supply jet passage for jetting cleaning water toward the drain trap portion of the toilet bowl is provided, and the jet water supply valve is opened and closed to open the jet water supply valve. Water can be supplied with a necessary amount of water to the holes (claim 8).
[0021]
Further, as the electric drive valve, a rim water supply valve and a jet water supply valve are provided, and the rim water supply valve closing and the jet water supply valve opening can be performed in conjunction with each other. .
If it does in this way, rim water supply and jet water supply can be switched at an appropriate timing, and toilet bowl washing can be performed more efficiently.
In this case, the rim water supply valve can be opened in conjunction with the closing of the jet water supply valve (claim 10).
[0022]
【Example】
Next, embodiments of the present invention will be described in detail with reference to the drawings.
In FIG. 1, 10 is a fixed water stop device (semi-automatic fixed water stop device), 12 is a water channel, and a water supply port 14 is formed at the tip.
On the water channel 12, an electromagnetic valve 16 as an electric drive valve and a generator 18 are provided.
The generator 18 has a water wheel 20 that rotates in a water flow, and generates power based on the rotation of the water wheel 20.
[0023]
In the present embodiment , the rotation of the turbine 20 in the generator 18 generates a pulse corresponding to the number of rotations of the turbine 20.
The generated pulses are counted by the pulse counter 21. When the number of pulses reaches a set value, a valve closing signal is issued from the controller (control unit) 24 to the valve driving unit 26, and the solenoid valve 16 is closed. It is done.
Here, water flow through the water channel 12 stops. That is, the water supply from the water supply port 14 stops.
[0024]
The pulse generated by the rotation of the water wheel 20 corresponds to the accumulated flow rate of the water flow through the water channel 12. Accordingly, when the number of pulses reaches the set value, the water flow through the water channel 12 is stopped, so that Water can be supplied at a reliably set flow rate.
[0025]
In this example, a capacitor 22 is used as a storage means for storing the power generated by the generator 18.
Thus, the electromagnetic valve 16 is closed by the driving power supplied to the capacitor 22 as a power source.
However, it is possible to use a power storage means other than the capacitor 22.
[0026]
FIG. 2 specifically shows the configuration of the electromagnetic valve 16.
In this example, the electromagnetic valve 16 is a latch type valve that holds the valve open state after the valve is opened and the valve closed state after the valve is closed in a state where no power is supplied.
In the figure, reference numeral 27 denotes a diaphragm type main valve element. The main valve element 27 is seated on a valve seat 28, whereby the water channel 12 is blocked. That is, the upstream water channel 12a and the downstream water channel 12b are in a non-communication state.
[0027]
A back pressure chamber 30 is formed on the back side of the main valve body 27 (upper surface side in the figure). Normally, the main valve body 27 is seated on the valve seat 28 by the pressure inside the back pressure chamber 30. .
The back pressure chamber 30 and the downstream water channel 12 b communicate with each other through a center hole 32 formed in the center of the main valve body 27, and the center hole 32 is closed by the plunger 33. It has become.
[0028]
When the plunger 33 moves upward in the figure, the main valve element 27 is caused by the water in the back pressure chamber 30 flowing out to the downstream water channel 12b, that is, the pressure in the back pressure chamber 30 is reduced, so that the upstream water channel The valve is opened by the water supply pressure of 12a.
On the other hand, when the plunger 33 moves downward in FIG. 2 and the center hole 32 is closed, the water in the upstream water channel 12a flows into the back pressure chamber 30 through a small hole formed in the main valve body 27. The pressure inside the back pressure chamber 30 increases, and the main valve element 27 is finally closed by the pressure.
[0029]
34 is a solenoid coil in the solenoid valve 16, and the plunger 33 is pushed downward in the figure by the electromagnetic repulsive force of the solenoid coil.
[0030]
The plunger 33 is urged downward in the figure by the spring 38, that is, in the valve closing direction. When the plunger 33 moves to the valve opening position, the urging force of the spring 38 is generated by the magnetic force of the latch magnet 40 provided in the casing 36. The valve is kept open.
The plunger 33 is held in its closed state by the urging force of the spring 38 after moving to the valve closing position.
[0031]
The electromagnetic valve 16 in this example has a manual operation portion (operation rod) 42, and a magnet 44 is provided at the tip thereof, and these are attached upward by a spring 46, that is, away from the plunger 33. It is energized.
Here, the manual operation unit 42 protrudes upward from the casing 36.
[0032]
The electromagnetic valve 16 in this example can be mechanically opened by manual operation.
That is, when the manual operation unit 42 is pushed downward by a hand, a leg or the like against the urging force of the spring 46 from the state shown in FIG. 2I, the plunger 33 is moved by the magnet 44 as shown in FIG. The spring 38 is pulled upward in the figure by a magnetic attractive force against the urging force of the spring 38. Then, the central hole 32 of the main valve body 27 is in communication with the back pressure chamber 30, the pressure in the back pressure chamber 30 is reduced, and the main valve body 27 is opened.
[0033]
Further, as shown in (III), the plunger 33 pulled upward in the drawing is held at the valve opening position by the magnetic force of the latch magnet 40.
That is, when the manual operation unit 42 is pushed downward in the figure, even if the manual operation unit 42 is returned to the original position by the urging force of the spring 46 thereafter, the plunger 33 is held in the valve open position, and the water passage 12 is in a water passage state. Retained.
[0034]
On the other hand, when the solenoid coil 34 is energized in the state of FIG. 2 (III), the plunger 33 is pushed downward in the figure by an electromagnetic repulsive force, thereby closing the center hole 32 of the main valve element 27. .
Thereafter, the pressure in the back pressure chamber 30 gradually increases, and the main valve element 27 is finally seated on the valve seat 28.
Here, the water passage 12 stops and the water flow stops. That is, the water supply from the water supply port 14 stops.
[0035]
The fixed water stop device 10 of this example as described above generates a pulse according to the number of rotations of the water turbine 20, and closes the electromagnetic valve 16 when the number of pulses reaches a set value to stop water flow. Therefore, the water supply can be reliably stopped when the integrated flow rate of the water channel, that is, the discharged water flow rate reaches the required flow rate. That is, the amount of water supply can be controlled to a constant amount with high accuracy.
[0036]
Moreover, in this example, since the integrated flow rate of the water channel 12 is detected based on the number of generated pulses, the fixed water stop device 10 can be configured compactly with a simple structure, and can be configured as an inexpensive device with few failures. it can.
[0037]
Furthermore, since the water wheel 20 constitutes the generator 18 as well as the pulse generating means, the electric power required when the electromagnetic valve 16 is closed can be generated using the water flow in the water channel 12.
[0038]
Moreover, in the fixed water stop apparatus 10 of this example, the electric power generated by the generator 18 is stored in the capacitor 22, and this is used as a power source to supply driving power for closing the solenoid valve 16. Therefore, a special power source for closing the electromagnetic valve 16 is not required, and the configuration of the quantitative water stopping device 10 can be further simplified.
[0039]
Further, the solenoid valve 16 is mechanically opened by the manual operation unit 42 and is a latch type valve that maintains the open / closed state, so that no power source for opening and closing the solenoid valve 16 is required. It is possible to further simplify the configuration of the fixed amount water stop device 10, and when using the fixed amount water stop device 10, it is only necessary to start the water supply by manual operation only at the start of water flow, after which a certain amount of water is supplied. Water supply can be automatically stopped at the point where it is interrupted.
[0040]
FIG. 3 shows an example in which the fixed water stop device is configured as a toilet flushing device 48.
In the figure, reference numeral 50 denotes a toilet, which has a rim 52 along the periphery of the upper end.
A rim water channel 54 is formed inside the rim 52, and spray holes 56 communicating with the rim water channel 54 are formed at predetermined intervals in the circumferential direction on the lower end surface of the rim 52, and are led to the rim water channel 54. The washed water is sprayed vigorously into the toilet 50 through the spray holes 56, whereby the toilet bowl is cleaned.
58 is a jet hole which jets washing water toward the drain trap part 60 vigorously, and the drain trap part 60 is filled with the jet of washing water from the jet hole 58, and siphon action is assisted.
[0041]
In this example, the water channel 12 is branched into the rim water channel 12R and the jet water channel 12J at the downstream portion of the generator 18, and the cleaning water is supplied to the rim water channel 54 and the jet hole 58 through each. Yes.
[0042]
Each of the rim water supply path 12R and the jet water supply path 12J is provided with an electromagnetic valve (rim water supply valve) 16A and an electromagnetic valve (jet water supply valve) 16B as electric drive valves, and these electromagnetic valves 16A and 16B Each of the rim water supply path 12R and the jet water supply path 12J is opened and closed.
[0043]
Here, the solenoid valve 16A has the same structure as the solenoid valve 16 shown in FIG. 2, and the same solenoid valve 16B is used.
However, the solenoid valve 16B may not be provided with the manual operation unit 42 but may be opened and closed only by electromagnetic attraction and repulsion by energizing the solenoid coil 34.
[0044]
In this example, the electric power generated by the generator 18 is charged in the capacitor 22 as shown in FIG. 4, and the solenoid valves 16A and 16B are driven to be closed with the driving power supplied from the capacitor 22 as a power source. .
[0045]
The electromagnetic valves 16A and 16B are driven to be closed when the number of pulses generated by the rotation of the water turbine 20 in the generator 18 reaches the number of pulses set correspondingly.
That is, when the integrated flow rate of the cleaning water flowing through the rim water supply path 12R reaches the set flow rate, the solenoid valve 16A is closed, and the integrated flow rate of the cleaning water flowing through the jet water supply path 12J becomes the set flow rate. When it reaches, the solenoid valve 16B is closed.
[0046]
In this example, as shown in FIG. 5, the solenoid valves 16A and 16B are opened and closed at different timings.
More specifically, when the electromagnetic valve 16A is first opened by manual operation, a flow of water is generated in the water channel 12 and the water wheel 20 of the generator 18 rotates to generate a pulse to start counting and generate power. The machine 18 starts generating electricity.
At the same time, cleaning water is supplied to the rim water channel 54 through the rim water supply channel 12 </ b> R, and the cleaning water is sprayed into the toilet 50 from the spray hole 56 with great force.
[0047]
When the number of pulses set corresponding to the electromagnetic valve 16A is reached, the controller 24 causes the electromagnetic valve 16A to be closed and stops the water supply to the rim water passage 54 through the rim water supply passage 12R.
At the same time, the electromagnetic valve 16B opens to supply cleaning water to the jet hole 58 through the jet water supply path 12J, and the cleaning water is vigorously injected into the drain trap part 60 through the jet hole 58.
Thereby, the siphon action is assisted, and the sewage in the toilet 50 is discharged together with the jetted wash water.
[0048]
Thus, after the jet of cleaning water from the jet hole 58 continues for a certain period of time, when the number of pulses set corresponding to the electromagnetic valve 16B is reached, the electromagnetic valve 16B is closed here, and with this, the electromagnetic The valve 16A is opened again, and the supply of cleaning water is switched from the jet water supply path 12J to the rim water supply path 12R.
[0049]
When the set amount of water again flows through the rim water supply channel 12R in this manner, the electromagnetic valve 16A is closed again, and one cycle of toilet flushing is completed here.
It should be noted that the above is merely an example of the toilet cleaning device, and the toilet cleaning device 48 is provided in another form, and further to the rim water supply channel 12R and the jet water supply channel 12J in another pattern. It is also possible to perform toilet cleaning by switching the water supply.
[0050]
Furthermore, the toilet flushing device 48 as the quantitative water stop device 10 of the present example interlocks the closing of the solenoid valve 16A and the opening of the solenoid valve 16B, and the closing of the solenoid valve 16B and the opening of the solenoid valve 16A. The rim water supply and the jet water supply are switched at an appropriate timing, so that toilet cleaning can be performed efficiently.
[0051]
Although the embodiment of the present invention has been described in detail above, this is merely an example.
For example, in the above example, the electric power generated by the generator is stored in the capacitor, and this is used as a power source to close the electric drive valve such as an electromagnetic valve. However, the electric power generated by the generator is directly used as the driving power. It is also possible to supply the electric drive valve or store the electric power in the electric storage means other than the capacitor and use the electric power as a power source to close the electric drive valve.
[0052]
3 and 4 show an example in which the quantitative water stop device is configured as a toilet cleaning device, the quantitative water stop device of the present invention stops water discharge when a certain amount of water is discharged from the faucet. It can also be applied as a fixed water stop device for a certain amount of water, as a fixed water stop device for storing a certain amount of water in a bathtub, or as a fixed water stop device for various other water supply devices or for various purposes For example, the present invention can be configured in various modifications without departing from the spirit of the present invention.
[Brief description of the drawings]
FIG. 1 is a view showing a fixed water stop device according to an embodiment of the present invention.
FIG. 2 is a view showing a specific configuration of the electromagnetic valve in FIG. 1 together with its operation.
FIG. 3 is a diagram showing an example in which the fixed water stop device of the present invention is configured as a toilet cleaning device.
4 is a block diagram of components of the toilet bowl cleaning device of FIG. 3. FIG.
FIG. 5 is a time chart showing the operation of the toilet bowl cleaning device shown in FIGS. 3 and 4;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Fixed water stop device 12 Water channel 12R Rim water supply channel 12J Jet water supply channel 16 Solenoid valve 16A Solenoid valve (rim water supply valve)
16B Solenoid valve (jet water supply valve)
18 Generator 20 Turbine 22 Capacitor 24 Controller (Control Unit)
48 Cleaning device 50 Toilet bowl 52 Rim 58 Jet hole 60 Drain trap part

Claims (10)

A quantitative water stop device that opens and closes a water channel with an electrically driven valve that is electrically driven, and closes the electric drive valve when the integrated flow rate of the water channel reaches a set flow rate after opening,
The electric drive valve is a valve that rotates non-electrically by a manual operation, holds the valve open after the valve is opened, and then closes electrically after that, while rotating in the water flow of the water channel A generator is provided to generate power based on the rotation of the turbine and generate a pulse according to the rotation speed of the turbine, and the accumulated flow rate of the water channel is detected by counting the pulse and reaches a set value. Then, driving electric power for closing the electric drive valve is supplied to the electric drive valve under the control of the control unit, and the start of water supply is performed by the manual operation, and the quantitative detection of the amount of water after the start of water supply, the electric drive valve A semi-automatic quantitative water stop device that automatically performs the water supply stop by closing the valve.   2. The semi-automatic quantitative water stop device according to claim 1, wherein the electrically driven valve is an electromagnetic valve.   The semi-automatic system according to any one of claims 1 and 2, characterized in that a power storage means for storing power generated by the generator is provided, and the electric drive valve is closed using the power storage means as a power source. Fixed water stop device.   4. The semi-automatic quantitative water stop device according to claim 3, wherein the power storage means is a capacitor.   5. The semi-automatic fixed water stop according to any one of claims 1 to 4, wherein the electric drive valve is a latch-type valve that maintains a state of opening and closing after opening and closing. apparatus.   6. The semi-automatic fixed water stop device according to claim 1, wherein the semi-automatic fixed water stop device is a toilet cleaning device that supplies toilet water to a toilet and performs toilet cleaning.   7. The toilet cleaning apparatus according to claim 6, further comprising a rim water supply valve that opens and closes a rim water supply passage for supplying water to the rim of the toilet as the electrically driven valve, and the integrated flow rate of the rim water supply passage is A semi-automatic quantitative water stop device, wherein the rim water supply valve is closed when a set flow rate is reached.   The jet water supply valve according to claim 6, wherein the toilet cleaning device is configured to open and close a jet water supply path for supplying water to a jet hole that jets cleaning water toward a drain trap portion of the toilet as the electrically driven valve. And a semi-automatic quantitative water stop device, wherein the jet water supply valve is closed when the integrated flow rate of the jet water supply channel reaches a set flow rate.   7. The toilet cleaning apparatus according to claim 6, wherein the toilet cleaning device uses, as the electrically driven valve, a rim water supply valve that opens and closes a rim water supply passage for supplying water to the rim of the toilet, and cleaning water toward a drain trap portion of the toilet. A jet water supply valve that opens and closes a jet water supply path for water supply to a jet hole for jet injection, and the controller interlocks the closing of the rim water supply valve and the opening of the jet water supply valve. A semi-automatic fixed water stop device, characterized in that it is designed to perform.   The semi-automatic quantitative water stop device according to claim 9, wherein the control unit opens the rim water supply valve in conjunction with closing of the jet water supply valve.

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