JP2005016274A - Water supply system having water supply function for emergency - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problems such as poor water quality, manhours, maintenance, management or the like encountered in the conventional systems for emergency water storage such as a high-place installation atmospheric opening type water storage tank which is normally used for supplying water in an office building, an apartment building or the like, a water storage tank system mostly using stored water and installed in an individual house. <P>SOLUTION: The various problems are solved by using a flowing-water utilizing pressure-resistance type supply water tank in place of the conventional stored water utilizing type water storage tank. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
If an accident occurs such as when the lifeline is stopped due to a disaster, it takes a great deal of man-hours to restore it. In the case of the Great Hanshin Earthquake, water supply by local governments and the Self-Defense Force began. After a few days, the damage during this period was significant.
Needless to say, the days until the rescue comes are particularly important, and water supply to maintain life is critical to life and death.
The present invention relates to a water supply apparatus that can continuously supply domestic water for several days immediately after the occurrence of a water outage accident.
[0002]
[Prior art]
As a method for storing emergency water, it has been common for buildings, condominiums, etc. to share an open-air storage tank installed at a high altitude that is normally used for water supply. Things were used.
[Problems to be solved by the invention]
[0003]
These conventional types can be installed at a high place, such as buildings, so that a considerable number of units can be dealt with together, but for individual housing, any aspect of man-hours, maintenance, management, etc. There is also a problem that it is inappropriate.
[0004]
Condominiums, buildings, etc. are normally inspected for water storage, water quality, etc., but it is difficult to limit water intake individually as emergency water.
[0005]
In addition, the water storage tank for individual houses is used as drinking water as it is for hygiene purposes, because it is suitable for fire extinguishing etc. if it is left for a long period of time because of the use of stored water with an open top surface, but it is difficult to perform water quality management work. There is a disadvantage that cannot be done.
[0006]
[Means for Solving the Problems]
The present invention seeks to solve the above-mentioned problems by using a conventional water storage tank that uses a stored water as a makeup water tank that uses flowing water.
[0007]
The water pressure-resistant replenishment tank is constructed so that the water always flows in the tank. If the water pressure is lost, a predetermined amount of water in the tank can be used as emergency water. The place can be low, and it is easy to be provided in each door of the water user unit, and it is possible to provide an emergency and simultaneous water supply system suitable for various management.
[0008]
Since this water supply device is a so-called sealed type, it does not enter dust and the like, and is used for running water just before water is cut off, so it can provide water with excellent cleanliness and good hygiene conditions.
[0009]
Moreover, if this water supply apparatus is separately installed in a veranda etc. not only in an individual house but also in an apartment etc., emergency water can be secured individually.
[0010]
【The invention's effect】
The water supply apparatus according to the present invention is configured as described above, so that even during a so-called water outage, fresh water can be continuously provided to the user for several days, and an easy-to-manage apparatus adapted to each house is provided. It becomes possible to do.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the invention will be described based on an example with reference to the drawings.
FIG. 1 shows an overview. The pressure-resistant replenishing water tank (1) can withstand normal water supply pressure and is always kept in a full state. The check valve (2) is provided to prevent backflow from the make-up water tank to the tap water introduction pipe (3) side at the time of water interruption.
A water supply valve (4) is a valve which takes in water outside at the time of water interruption. The pressure relief pipe (5) is a pipe that guides the pressure in the makeup water tank (1) to the outside, and the safety valve (6) is a valve that releases to the outside when the pressure in the makeup water tank exceeds the feed water pressure, or an atmospheric release valve (7) is a valve that allows the top of the make-up water tank (1) to be opened to the atmosphere when the water supply valve (4) is used. The discharge pipe (8) is a pipe that leads to each water supply valve and faucet during normal water supply.
The water level gauge (9) is for monitoring the water level and water quality in the makeup water tank, and is generally provided on the side of the makeup water tank.
The three-way switching valve (10) is normally switched to the discharge pipe (8) side, or can be switched to the pipe (11) side depending on the usage pattern. In FIG. 1, the three-way switching valve (11) is switched to the discharge pipe (8) side. The water meter (12) measures the amount of water used. The water stopcock (13) stops water supply (12), and (13) is provided on the water supply introduction side conventionally.
In this embodiment, the pressure-type replenishment water tank (1) is described as having a cylindrical shape. However, for example, a water supply tank having a shape suitable for the environment is used so as to adapt to practical use. Needless to say.
[0012]
FIG. 2 is a diagram showing a state during normal water supply.
Water that has passed through the stop cock (13) and water meter (12) flows in the direction of the arrow through the check valve (2), fills the make-up water tank (1), discharge pipe (8), three-way It is led to a normal water supply valve and faucet through the switching valve (10). The air release valve (7) is for removing air from the tank when a new supply water tank (1) is installed or when the tank (1) becomes empty.
[0013]
FIG. 3 is a diagram showing a state when water supply is stopped. When the water is shut off, the water in the makeup water tank (1) can be taken out by opening the air release valve (7) and opening the water supply valve (4).
Further, since the water supply pressure is lost when water is shut off, the water in the makeup water tank (1) does not flow back to the tap water introduction pipe (3) side by the check valve (2).
[0014]
FIG. 4 is a diagram showing that water can be supplied to a normal water supply valve by using an air pump when water is cut off.
When the position of the normal water supply valve or faucet connected to the discharge pipe (8) is higher than the make-up water tank (1), the discharge port of the air pump (14) is connected to the outlet of the air release valve (7) to make the make-up water By pressurizing the inside of the tank (1), the same water supply as normal is possible. In this case, the three-way switching valve (10) is switched to the pipe (11) side, and the water supply flows from the bottom of the makeup water tank (1) to the outlet side of the discharge pipe (8). Further, when the position of the normal water supply valve or faucet is lower than the makeup water tank (1), the same water supply as usual can be performed by simply opening the air release valve (7) without connecting the air pump (14). .
[0015]
FIG. 5 is a diagram showing a state in which the water supply tank is replenished from an external tank using a vacuum pump when water is shut off.
When the water in the make-up water tank (1) is consumed when the water is shut down, and the water is supplied into the make-up water tank (1) using the external tank (16) and the feed water introduction pipe (17), the vacuum pump (15) The suction port is connected to the outlet of the air release valve (7), the inside of the tank is made negative pressure, the feed water introduction pipe (17) is connected to the outlet of the feed valve (4), and the inside of the replenishment tank from the external tank (16) Can be refilled with suction.
[Brief description of the drawings]
FIG. 1 shows an embodiment of the present invention in which a water supply through a stop cock (13) and a water meter (12) fills a pressure-resistant make-up water tank (1) and a normal water supply valve from an external discharge pipe (8), The figure led to the faucet.
[Fig. 2] Water is supplied in the direction of a diagram arrow indicating a state during normal water supply.
[Fig. 3] Water is supplied in the direction of a diagram arrow indicating a state when water is cut off.
FIG. 4 shows that water is supplied in the direction of a diagram arrow indicating a state of sending to a normal water supply valve using an air pump at the time of water interruption. Dashed arrows indicate the direction of air circulation.
FIG. 5 shows that the water is replenished in the direction of a diagram arrow indicating a state of replenishing a replenishing water tank from an external tank using a vacuum pump when water is shut off.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Pressure-resistant replenishment water tank 2 Check valve 3 Tap water introduction pipe 4 Water supply valve 5 Pressure relief pipe 6 Safety valve 7 Atmospheric release valve 8 Drain pipe 9 Water level meter 10 Three-way selector valve 11 Pipe 12 Metering device 13 Stop cock 14 Air pump 15 Vacuum pump 16 External tank 17 Water supply introduction pipe

Claims (3)

A water supply with a function that allows the water in the makeup water tank to be used as emergency water when a pressure-resistant makeup water tank is installed in the inlet water channel of the water supply unit water supply circuit and the water pressure in the water supply channel is lost apparatus. A tap water introduction pipe (3) and a water supply valve (4) arranged in parallel to the tap water introduction pipe (3) are provided below the pressure-resistant make-up water tank (1) via a check valve (2). A safety valve (6) is arranged at the top end of the pressure relief pipe (5) provided at the top of 1) so that the lower end is located at the inner center of the makeup water tank (1). The water supply device according to claim 1, further comprising a discharge pipe (8) connected to the air release valve (7), a normal water supply valve, and a water level gauge (9) on a side surface of the makeup water tank (1). The water supply device according to claim 2, wherein a three-way switching valve (10) is provided in the middle of the discharge pipe (8), and a pipe (11) connected to the lower part of the tank is provided.

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