Emergency water supply system

Abstract

The aim is to provide an emergency water supply system that allows for water use at a level close to, or equivalent to, normal conditions, even during water outages. [Solution] The system has a connecting part that connects an emergency water supply tank to the water supply piping installed within the building, and in an emergency, the water supply valve located on the upstream side of the water supply piping is closed, and the emergency water supply tank is connected to the downstream side of the water supply valve via the connecting part.

Description

Technical Field

[0001] The present invention relates to a water supply system in case of water cut-off due to natural disasters or the like.

Background Art

[0002] Water supply pipes (municipal water supply pipes) are installed in each household and each facility. For example, taking a general house as an example, it is branched from the main water supply pipe buried outdoors through a water supply valve, a water meter, etc. and connected to the kitchen, bathroom, toilet, etc. inside the house by piping. Usually, the water supply valve is opened and water is used in the household. Even when water cut-off occurs during natural disasters such as earthquakes, there are many cases where there is no abnormality in the water supply pipes inside this household.

[0003] Therefore, as a result of examining whether water can be used in the same way as in normal times by utilizing the household pipes even in an emergency such as water cut-off, the present invention has been achieved.

[0004] For example, Patent Document 1 discloses a technique of using a detachable water storage tank in the middle of the water supply pipe as an emergency water storage tank, but the capacity of the water storage tank is small and not practical. Patent Document 2 describes that since miscellaneous bacteria and the like are likely to multiply in the tank when storing the water transported by a tanker truck in the tank and distributing it to each dwelling, etc., a sterilization and disinfection device is provided in the water supply pipe. However, the sterilization and disinfection device is large-scale and a control system for the device is also required, so it cannot be immediately provided in an emergency.

Prior Art Documents

Patent Documents

[0005]

Patent Document

Patent Document 2

[0006] The present invention aims to provide an emergency water supply system that allows for water use in an emergency situation, such as a water outage, at a level close to or equivalent to that of normal times. [Means for solving the problem]

[0007] The emergency water supply system according to the present invention has a connecting part that connects an emergency water supply tank to a water supply pipe installed in a building, and in the event of an emergency, a water supply valve provided on the upstream side of the water supply pipe is closed, and the emergency water supply tank is connected to the downstream side of the water supply valve via the connecting part.

[0008] Emergency water tanks are portable and can be installed in the event of a water outage. There are no particular restrictions on the installation location, but it is generally easier to install it outdoors. Therefore, in an emergency, the upstream water supply valve can be closed, and to connect this water supply tank to the downstream water supply piping, if there is an outdoor water tap such as a sprinkler, it is easy to connect it to that tap. If there is no outdoor water tap, it is also possible to connect using any faucet inside the house. In this case, the water level in the water tank is often lower than the water level at the taps in the house, so it is preferable to use a pump to supply water.

[0009] In the present invention, the emergency water supply tank preferably has an air vent for when emergency water is injected and an air intake for when air is drawn in from the outside as the emergency water is used, and the air intake preferably has a sterilization function. In this way, when emergency water is poured into the water tank, the tank will be filled to capacity, and air can be vented through the air vent to prevent any air from remaining inside the tank. When water is used, the water level drops, creating a space at the top of the water tank, which could allow bacteria from the outside to enter. Therefore, the water tank is equipped with an air intake that allows air to be naturally drawn in from the outside as the water level drops, and a sterilization filter is installed in this air intake. This prevents bacteria from entering the spaces formed in the water tank, allowing you to use water with peace of mind. [Effects of the Invention]

[0010] In the water supply system according to the present invention, by closing the water supply valve, connecting an emergency water supply tank to the piping downstream thereof, and supplying water with a pump, water can be used in the same way as under normal circumstances even in emergencies such as water outages. In this case, the water tank's air intake has a sterilization function, which prevents bacteria from growing in the stored water, making it hygienic. [Brief explanation of the drawing]

[0011] [Figure 1] An example of a water supply system according to the present invention is shown. [Figure 2] An example of a water tank structure is shown. [Modes for carrying out the invention]

[0012] The following describes an example of the configuration of the emergency water supply system according to the present invention, based on the diagram. The invention may be modified within the scope of its intended purpose. First, Figure 1 illustrates an example of water supply piping in a typical household. Furthermore, this invention is not limited to ordinary households, but may also be applied to various welfare facilities, community centers, and other public facilities. Water supply pipes are laid out, branching off from the main pipe to each individual household. In this case, a water supply valve 21 and, if necessary, a water supply meter 21a are provided on the upstream side of the water supply pipe 20. Alternatively, an on / off valve 21b may be installed further downstream from this water meter. In the example shown in the figure, the water supply pipe 20 branches to the outdoor faucet 25, and further branches at the respective branch parts 22, 23, and 24 to the bathroom 1c, kitchen 1a, and toilet 1b in the house 1, which is an example of piping, but it is not limited thereto, and it is explained that a water supply pipe is installed in each building.

[0013] When water cut-off occurs, considering the water consumption in the household, etc., for example, a water supply tank 10 with a capacity of about 1,000 liters is installed. For those of about 1,000 liters, commercially available ones can be used. The water supply tank 10 can be connected by piping (connection part) using the faucet of the outdoor faucet 25. By doing so, just by closing the water supply valve 21 and opening the valve 25a of the outdoor faucet 25, piping connection can be made to each room in the house. For water supply from the water supply tank 10 to each room, a pump 14 controlled by ON - OFF pressure and operating with a 100V power supply or a generator can be used.

[0014] An example of the structure of the water supply tank is shown in FIG. 2. The water supply tank 10 has an air vent 11 and an intake part 12, and a sterilization and disinfection filter is attached to this intake part 12. When filling water into the water supply tank 10, a filling port may be provided, or it may be filled through this intake part 12 until it reaches the full water level W0. It is preferable to fill water until the internal air is completely removed from the air vent 11. As the water W1 in the water supply tank 10 is used, the water level drops, air enters the inside from the intake part 12, and a space part 13 is formed. At this time, since a filter or the like having a sterilization and disinfection function is provided in the intake part 12, it is possible to prevent the intrusion of various bacteria accompanying the intake of air.

Explanation of Signs

[0015] 1 House 1a Kitchen 1b Toilet 1c bathroom 10 Water tank 11. Bleeding the air 12 Intake section 13 Space section 14 pumps 15 Connecting part 20 Water supply piping 21 Water supply valve 21a Water meter 25 Outdoor water taps W0 Full Water W1 water

Claims

1. It has a connecting section that connects an emergency water supply tank to the water supply piping installed within the building. An emergency water supply system characterized by closing a water supply valve located on the upstream side of the water supply piping in the event of an emergency, and connecting the downstream side of the water supply valve to the emergency water supply tank via the connecting part.

2. The emergency water supply system according to claim 1, wherein the emergency water tank has an air vent for when emergency water is injected and an air intake for when air is drawn in from the outside as the emergency water is used, and the air intake has a sterilization function.

3. The emergency water supply system according to claim 2, characterized in that the emergency water tank is installed outdoors, the connection to the water supply piping is an outdoor faucet, and water is supplied using a pump provided at the connection.

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