JPH06285457A - Purified water supplying apparatus - Google Patents

Abstract

PURPOSE:To indicate that a user can always make a necessary and enough amt. of water thrown away to prevent a water purifier from being used under insanitary condition caused by propagation of misceraneous fungi in the water purifier in a purified water supplying apparatus for domestic use provided with the water purifier for cleaning city water. CONSTITUTION:A water supplying apparatus wherein a water purifier 8 and a spout valve 7 are formed on a water supply path 2 and untreated water flowing thereinto from a water supply source by actuating the spout valve 7 is purified by the water purifier 8 and the purified water is discharged, is provided with a means measuring unused time which measures the lapse of time from the time of water stopping, a means for operating the amt. of necessary discharging of water which operates the amt. of necessary discharging of water according to the length of the unused time, a means for measuring the amt. of discharging of water and a means for indicating prohibition of drinking. In addition, when discharging of water is operated, the means for indicating prohibition of drinking is driven until the amt. of discharging of water measured by the above described means for measuring the amt. of discharging of water reaches the necessary amt. of discharging of water operated by the means for operating the necessary amt. of discharging of water.

Description

Detailed Description of the Invention

[0001]

INDUSTRIAL APPLICABILITY The present invention purifies impurities, miscellaneous bacteria, odors, etc. contained in source water such as tap water, ground water, elevated tank water, etc. so that it can be used as delicious drinking water and sanitarily. The present invention relates to a household purified water supply device equipped with a water purifier.

[0002]

2. Description of the Related Art Due to environmental pollution, tap water is contaminated with organic substances, impurities such as dust, and various bacteria, and its water quality tends to deteriorate in recent years. For this reason, it is necessary to add a large amount of chlorine for disinfection to tap water, and odor, smell, and turbidity are further aggravated.

Therefore, conventionally, a water purifier comprising activated carbon which adsorbs and filters these impurities, activated carbon coated with silver, a hollow fiber membrane filter and the like has been used for home use.
FIG. 8 shows an example in which a water purifier is provided in the sink as an example. In the figure, a is a single lever type hot and cold water mixing tap provided on a sink, b is a water stopcock communicating with a water heater, c is a water stopcock communicating with a tap water source, and d is a secondary side of the water stopcock c. Is a tap provided on the sink for clean water discharge, e is a faucet dedicated to purified water provided on the sink, and when the handle f of the faucet dedicated to purified water is opened, the source water is a stopcock c, a branch plug d, The water is discharged from the water outlet h through the water purifier g.

[0004]

However, the use of the water purifier g as in this example has the following new problems. That is, the water purifier g loses its sterilizing power by adsorbing chlorine for disinfection from tap water. Therefore, if it is not used for a long time, various bacteria grow inside the water purifier g and in the secondary water channel of the water purifier g. It is easy to rot. For this reason, it may become unsanitary if waste water is not reused after each reuse, but the necessary amount of waste water depends on the elapsed time until the water is discharged again after using before considering the growth degree of various bacteria. For this reason, it is often unknown how much waste water actually needs to be discarded, and this can cause unnecessary waste of water due to excess waste water, or a reduction in the water purification capacity of the water purifier. Met.

[0005]

SUMMARY OF THE INVENTION Therefore, the present invention is intended to prevent accidental drinking of water in which bacteria have propagated, to waste water by discarding more water than is necessary, to filter water purifiers, and to reduce adsorption capacity. It is an object of the present invention to provide a purified water supply device that can surely convey necessary waste water to a user without hastening it.

To this end, the present invention provides a water supply device in which a water purifier and a water discharge valve are provided in a water supply passage, and by operating the water discharge valve, the source water flowing from a water supply source is purified by the water purifier and discharged. A non-use time measuring means for measuring an elapsed time from the time of water stoppage, a required water discharge amount calculating means for calculating a required water discharge amount according to the length of the non-use time, a water discharge amount measuring means, and a drinking prohibition instructing means, It is characterized in that the drinking prohibition instructing means is driven until the water discharge amount measured by the water discharge amount measuring means during the water discharge operation reaches the required water discharge amount calculated by the required water discharge amount calculating means. is there.

[0007]

[Operation] During the water discharge operation, according to the length of the non-use time so far, it is instructed to prohibit drinking until the required water discharge amount is reached. There is no need to spray water.

[0008]

Embodiments of the present invention will now be described with reference to the drawings.
In the embodiment shown in FIG. 1, a flow sensor (or a flow meter) 3 is provided in a secondary side water supply passage 2 of a water stopcock 1 connected to a water supply source disposed below a deck surface of a sink and a deck surface 4 is provided. A water discharge valve 7 which can be opened / closed by a handle 6 is provided in a main body 5 attached to a water purifier 8, and a water purifier 8 is provided below a deck surface.
The water discharge valve 7 and the water purifier 8 are connected to each other, and the secondary side water supply passage 12 of the water purifier 8 is penetrated into the main body 5 to communicate with the water discharge pipe 9. Therefore, when the water discharge valve 7 is opened, tap water is discharged from the water discharge pipe 9 through the water purifier 8.

Reference numeral 10 is a control device including a non-use time measuring means, a water discharge amount measuring means, a required water discharge amount calculating means and the like. As shown in FIG. 2, the non-use time measuring means of the control device 10 can detect the water flow signal and the water stop signal obtained from the flow sensor 3 to measure the non-use time from the time when the water is stopped until the start of the water discharge again. . Further, the water discharge amount measuring means can also measure the water discharge amount from the signal similarly obtained from the flow sensor 3. Further, in the required water discharge amount calculation means, for example, the required water discharge amount is 0.5 liter when the non-use time is less than 30 minutes, 1 liter for 30 minutes or more and less than 5 hours, and 2 liters for 5 hours or more. The conditions are set in advance, and the required water discharge amount is calculated according to the non-use time. Then, when the water discharge valve 7 is opened, the water discharge amount measured by the water discharge amount measuring unit and the required water discharge amount calculated by the required water discharge amount calculating unit are compared by a comparator, and the water discharge amount is equal to or less than the required water discharge amount. While the drinking prohibition instructing means is driven, the drinking prohibition instructing means instructs the drinking prohibition and the driving of the drinking prohibition instructing means is stopped when the water discharge amount exceeds the required water discharge amount. Reference numeral 11 denotes a red display lamp provided in the main body 5, which is an example of the drinking prohibition instruction means, and displays to the user that drinking is prohibited while the display lamp 11 is on. Note that FIG. 3 is a flow chart showing the operation of the microcomputer constituting the control device 10.

In the embodiment shown in FIG. 4, the present invention is applied to the one in which the water purifying device 15 is detachably attached by the set screw 14 to the tip of the water discharge pipe 13 of the water tap provided in the sink. An example is shown in the figure, 7 is a water discharge valve having a flow path switching function that allows the water discharged from the water discharge pipe 13 to be switched to the water purifier 8 direction or the water discharge port 17 direction, 6 is its operation handle, 3 Is a flow sensor, 9 is a secondary outlet of the water purifier 8, 10 is a control device, and 11 is an indicator lamp. In this case, the control device 10 operates in the same manner as the embodiment shown in FIG. 2, and when the water discharge valve 7 is switched and the water is discharged to the water discharge port 9 through the water purifier 8, the display lamp 11 lights up during the drinking prohibited time. Remind the user that the water discharged during lighting must be discarded instead of being consumed.

The embodiment shown in FIG. 5 shows a so-called stop water purification water supply apparatus. In this water supply apparatus, a flow sensor 3, a water purifier 8 and a water discharge valve 7 are provided in a secondary side water supply passage 2 of a water stopcock 1. A water discharge valve 7 and a display lamp 11 are provided on a main body 5 which is connected to the water discharge port 9 in this order and is mounted on the deck surface 4.
Also in this case, the control device 10 detects the signal from the flow sensor 3 provided in the water supply passage 2 to measure the non-use time, calculates the required amount of water discharge by this, and when the water discharge valve 7 is discharged, the above-described embodiment Similarly, the display lamp 11 is turned on until the required water discharge amount is reached, and drinking prohibition during that time is displayed.

In the embodiment shown in FIG. 6, an electromagnetic water discharge valve 7 is provided in the water supply passage 2, and a push button switch 16 for actuating the water discharge valve 7 on the main body 5 mounted on the deck surface 4, And a red indicator lamp 11 indicating that drinking is prohibited
And a blue indicator lamp 17 for indicating that drinking is possible, and an optical sensor 18 at the tip of the spout 9,
The control device 10 is configured to open the water discharge valve 7 to perform the water discharge operation by bringing the hand close to or operating the push button switch 16. Then, by releasing the hand from the water discharge port 9 or operating the push button switch 16 again, the water discharge valve 7 is closed and the water is stopped. Control device 1
0 detects the water flow signal and the water stop signal from the flow sensor 3 and measures the non-use time from the time when the water is stopped until the start of re-water discharge. From this, the required water discharge amount according to the non-use time is calculated, and at the time of the water discharge operation, The required water discharge amount and the water discharge amount measured by the water flow signal from the flow sensor 3 are compared, and when the measured water discharge amount is less than the required water discharge amount, the display lamp 11 that indicates drinking prohibition is turned on to measure the water discharge amount. When the required water discharge amount is exceeded, the display lamp 17 that indicates that drinking is possible is turned on.

In the example shown in phantom in FIG. 6, a control box 19 is provided on the wall surface, and the control device 1 is installed in the control box 19.
0, the optical sensor 20 and the speaker 21 are provided. When the hand or the like is brought close to the optical sensor 20, the water discharge valve 7 is opened and water can be discharged, and when the hand or the like is brought close to the optical sensor 20, the water discharge valve 7 is closed. In addition to being configured to stop the water, the speaker 21 can notify by voice that the drinking is prohibited at the time of the water discharge operation. When the electromagnetic water discharge valve 7 is used, the control box 19 may be provided in this way, and the control device unit, the water discharge stopping operation unit, and the drinking prohibition instruction unit may be integrally provided in the control box 19.

In each of the above embodiments, the flow sensor 3 is provided in the water supply passage 2 to detect the water flow. However, the water stop operation is performed by the opening / closing operation of the water discharge valve 7 or the opening / closing command signal. By detecting and transmitting the signal to the control device 10, it is possible to measure the water discharge amount without necessarily providing such a flow sensor 3. FIG. 7 is a flowchart showing the operation of the control device 10 for measuring the non-use time according to the presence / absence of the water discharge operation of the water discharge valve 7, calculating the required amount of water discharge thereby, and displaying the drinking prohibited time.

The non-use time measuring means measures the time (elapsed time) from the time when the water is stopped to the time when the water is restarted. Therefore, the maximum elapsed time may be stored in memory instead of measuring the time further. In addition, if the measured non-use time is short, it is set not to display the drinking prohibition at all, and only when the non-use time is, for example, 6 hours or more, a certain amount of waste water is instructed. You may comprise. Further, the non-use time measuring means may be grasped in two stages of long and short to simplify the configuration. Alternatively, if conditions are set in advance in the required water discharge amount calculation means so that the required water discharge amount is calculated in consideration of usage conditions such as season, water temperature, and water quality, a more appropriate amount of waste water can be instructed. Become.

[0016]

As described above, according to the purified water supply apparatus of the present invention, it is possible to always instruct the user of the necessary and sufficient amount of waste water at the time of the spouting operation. There is a beneficial effect that can eliminate unnecessary water discharge.

[Brief description of drawings]

FIG. 1 is a piping diagram showing an embodiment of a purified water supply device according to the present invention.

FIG. 2 is a block diagram showing an embodiment of the purified water supply apparatus according to the present invention.

FIG. 3 is a flowchart showing an embodiment of the purified water supply apparatus according to the present invention.

FIG. 4 is a piping diagram showing another embodiment of the purified water supply system according to the present invention.

FIG. 5 is a piping diagram showing another embodiment of the purified water supply system according to the present invention.

FIG. 6 is a piping diagram showing another embodiment of the purified water supply system according to the present invention.

FIG. 7 is a flowchart showing another embodiment of the purified water supply system according to the present invention.

FIG. 8 is a piping diagram of a conventional purified water supply device.

[Explanation of Codes] 2 Water Supply Channel 3 Flow Sensor 7 Water Discharge Valve 8 Water Purifier 9 Water Discharge Port 10 Control Device

Claims (1)

[Claims] 1. A water supply device in which a water purifier and a water discharge valve are provided in a water supply passage and the source water flowing from a water supply source is purified and discharged by a water purifier by operating the water discharge valve, and the water supply device is provided when the water is stopped. The non-use time measuring means for measuring the elapsed time, the required water discharge amount calculation means for calculating the required water discharge amount according to the length of the non-use time, the water discharge amount measuring means, and the drinking prohibition instructing means, during the water discharge operation the The drinking water prohibition means is driven until the amount of water discharged measured by the amount of water discharged measuring means reaches the required amount of water discharged calculated by the required amount of water discharged calculating means.