JPH05329413A - Fountain - Google Patents

Abstract

(57) [Summary] [Purpose] To control the start and stop of fountains of multiple fountain nozzles that are supplied with water by a common pump, for each fountain nozzle. [Composition] A water sending pipe for sending water from a water source by a pump, a returning sending pipe for returning the water to the water source, and an individual connecting the sending sending pipe and the returning sending pipe provided for one of the fountain nozzles. With a connecting pipe, the water supply pipe of each fountain nozzle is connected to the individual connecting pipe or the water supply mother pipe, and the water flowing through the water supply mother pipe is supplied to each fountain nozzle via the water supplying pipe or individually. It is possible to switch whether to supply to the return mother pipe via the connecting pipe.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fountain device for ejecting water from a fountain nozzle.

[0002]

2. Description of the Related Art When a large number of fountain nozzles are used, water is ejected from some fountain nozzles, and water is not ejected from other fountain nozzles, a conventional fountain is So, 20 fountain nozzles are divided into 10 groups, A group and B group. At some point, water is ejected from 10 fountain nozzles of A group, and water is ejected from 10 fountain nozzles of B group. Do not let it gush out,
At the next point in time, water is jetted from the fountain nozzles of group B, and the jetting of the fountain nozzles of group A is stopped to control the start / stop of pump operation and automatic valve opening / closing for each group.

[0003]

When the fountain nozzles are controlled in groups of a plurality of fountains in this way, the effect of changing the fountains is poor, and the individual fountain nozzles in each group may, for example, eject fountains. The responsiveness of changes such as stopping is poor, and it takes time until the fountains of all the fountain nozzles in the group are evenly aligned or until the fountains completely stop, impairing the effect of production.

[0004]

Therefore, in the present invention, the fountain nozzles are controlled one by one with a simple pipe, and the water supply mother pipe to which the water of the water source is supplied by the pump and the water are connected. It has a return mother pipe for returning to the water source, and an individual connection pipe for connecting one of the fountain nozzles to the water mother pipe and the return mother pipe, and individually connecting the water supply pipes of the individual fountain nozzles to each other. It can be connected to either the pipe or the water transmission mother pipe, and it is possible to switch between supplying water flowing through the water transmission mother pipe to each fountain nozzle via the water supply pipe or supplying it to the return mother pipe via the individual connection pipe. It is characterized by

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In each of the illustrated embodiments, 1 is a well-known fountain nozzle, and a water receiving portion 2 to which water to be fountain is supplied,
An appropriate nozzle 3 attached to the water receiving part to eject water,
It comprises a water supply pipe 4 for supplying water to the water receiving part 2. Reference numeral 10 denotes a water tank or a pond which is a water source of water to be fountain, and the water of this water source is pumped by a pump P to a water sending mother pipe 11.
Further, of the water pressure-fed to the water-feeding mother pipe, the water that has not been ejected from the fountain nozzle, that is, surplus water, is returned to the water source 10 by the returning mother-pipe 12. Discharge capacity of pump P and water supply pipe 1
The diameters of 1 and the return mother pipe 12 are appropriately determined according to the number of the fountain nozzles 1 to be installed.

Between the water sending mother pipe 11 and the returning mother pipe 12,
A plurality of individual connection pipes 13 corresponding to the number of the fountain nozzles 1 are connected in parallel. Then, the water supply pipes 4 attached to the individual fountain nozzles are connected to the individual connection pipes 13 or the water supply mother pipes 11, and the water flowing through the water supply mother pipes 11 is supplied to the individual fountain nozzles 1 via the water supply pipes 4. Supply or individual connection pipe 13
A switching device 14 for switching whether to supply to the return mother tube 12 via The pump P supplies a constant amount of water to the water supply mother pipe 11 at a constant water pressure, and the water supplied to the water supply mother pipe 11 is equally divided into all the individual connection pipes 13. Reference numeral 15 denotes a water amount and water pressure adjusting valve that is provided in the return mother 12 and controls the water amount and the water pressure supplied to the water mother pipe by the pump to be constant.

In the embodiment of FIG. 1, the water supply pipe 4 of one fountain nozzle 1 is connected in the middle of each individual connection pipe 13, and the individual connection pipe 13 is energized downstream from the connection position of the water supply pipe 4. Normally open (or normally closed) solenoid valve 1 to be closed (or open)
4A is provided, and the solenoid valve 1 is provided in the water supply pipe 4 of each fountain nozzle.
Contrary to 4A, a normally closed (or normally open) solenoid valve 14B that opens (or closes) when energized is provided.
The switching device 14 is composed of A and 14B. Therefore, when both solenoid valves 14A and 14B are not energized and de-energized, the water branched from the water supply mother pipe 11 to the individual connection pipe 13 flows into the return mother pipe 12 through the normally open solenoid valve 14A and returns to the water source. .. When both solenoid valves are energized, the solenoid valve 14A is closed, 1
Since 4B is opened, the entire amount of the water branched to the individual connection pipe 13 goes to the fountain nozzle 1 through the opened solenoid valve 14B and is ejected from the nozzle 3.

For this reason, the solenoid valve 14A of the individual connecting pipe 13 and the solenoid valve 14 of the water supply pipe 4 belonging to which fountain nozzle 1 belong.
Depending on whether B is energized or de-energized, the fountain nozzle directed to one can be either one that does not eject water or one that ejects water, and accordingly the fountain that previously ejected water. It is possible to stop the fountain instantaneously by the nozzle, suddenly eject water that has not ejected water, or start and stop the fountain with a very sharp edge. The height of all the water jetted from the fountain nozzles jetting water is determined by the individual connecting pipe 13
Since the amount of water and the water pressure that are diverted into the water are constant, they are uniform.

The solenoid on-off valves 14A and 14B used are those capable of opening / closing response of about 300 times per minute, and the fountain production programmer is allowed to open / close at a frequency of at least 0.2 seconds / time, and the fountain nozzle is used. It is possible to freely control and direct the shape of the fountain by controlling all the ones to one.

Furthermore, by adopting a production programmer incorporating a pump rotation speed controller, the amount of water supplied by the pump to the water supply pipe 11 and the water pressure are adjusted, and the fountain nozzle 1
It is also possible to change the height of the water spouting.

The embodiment shown in FIG. 2 differs from that of FIG. 1 in that the water supply pipe 4 of each fountain nozzle is connected to the water supply mother pipe 11 instead of the individual connection pipe 13. Then, the switching device 14
The solenoid valve 14A provided in the individual connection pipe 13 and the solenoid valve 14B provided in the water supply pipe 4 are similarly configured. The embodiment shown in FIG. 2 functions similarly to the embodiment shown in FIG.

[0012]

As is apparent from the above, according to the present invention, the start and stop of the fountain directed to one of the many fountain nozzles are individually controlled. The height of the fountain will be the same, and the fountain will stop momentarily if the water does not come out. As a result, the fountain nozzle that performs the fountain and the fountain nozzle that does not perform the fountain are segregated in time, and the shape of the fountain by the fountain nozzle that performs the fountain can be changed freely and freely.
A fountain can be produced.

[Brief description of drawings]

FIG. 1 is a plan view of a first embodiment of a fountain device of the present invention.

FIG. 2 is a plan view of a second embodiment of the fountain device of the present invention.

[Explanation of symbols]

 1 Fountain Nozzle 4 Water Supply Pipe 10 Water Delivery Pipe 12 Return Pipe 13 Individual Connection Pipe 14 Switching Device 14A Solenoid Valve 14B Solenoid Valve 14C Three-way Solenoid Valve

Claims (1)

[Claims] 1. A water supply pipe for sending water from a water source by a pump, a return pipe for returning water to the water source, and a fountain nozzle
It has an individual connecting pipe for connecting the water sending mother pipe and the returning mother pipe, which is provided for one destination, and connects the water supply pipe of each fountain nozzle to the individual connecting pipe or the water sending mother pipe, and A fountain device characterized in that it is possible to switch between supplying water flowing through a water mother pipe to individual fountain nozzles via a water supply pipe or supplying it to a return mother pipe via an individual connecting pipe.