JPH05138094A - Fountain - Google Patents

Abstract

(57) [Abstract] [Purpose] In a fountain device including a plurality of fountain blocks B1 to B6, the fountain blocks B1 to B6 each perform different fountains and the fountain blocks B1 to B6 have different fountain forms.
By shifting to B6, a large visual change is produced. [Configuration] The same number of fountain nozzles N1 to N6 are provided in each of the plurality of fountain blocks B1 to B6.
1-N6 and the same number of prime movers M1-M6 as pumps P1-
P6 is individually driven to supply high-pressure water to the fountain nozzles N1 to N6 through the water passages WR1 to WR6, and at the same time, the control means C sends a driving / stop signal, a rotation speed control signal, and a rotation speed to the prime movers M1 to M6. While outputting the correction signal, the water passage opening / closing valves V1 to V1 provided at the upstream positions of the fountain nozzles N1 to N6 in the water passages WR1 to WR6, respectively.
An opening / closing signal is output to V6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fountain apparatus that executes a dynamic fountain to produce a large visual change by, for example, changing the form of the fountain in accordance with music.

[0002]

2. Description of the Related Art Conventionally, as a fountain device for performing a dynamic fountain to produce a large visual change by, for example, changing the fountain shape in accordance with music, FIG.
The ones shown in are known. This fountain device includes a plurality (for example, 6) of fountain blocks B1 through B6 provided with a plurality (for example, 6) of fountain nozzles N1 through N6, and six fountain nozzles N1 provided for each of the fountain blocks B1 through B6.
~ N6 as many prime movers M1 to M6 and these prime movers M
1 to M6 respectively have pumps P1 to P6 driven respectively, and these pumps P1 to P6 and fountain nozzles N1 to N
6, water passages WR1 to WR6 of 6 systems for supplying high-pressure water to the fountain nozzles N1 to N6, and motors M1 to M
6 is provided with a control means C for outputting an operation / stop signal and a rotation speed control signal, and the control means C is the computer 1
And a controller 2 that outputs a running / stop signal and a rotation speed control signal to the prime movers M1 to M6 based on the signal output from the computer 1.

According to this fountain device, an operation signal and a rotation speed control signal are output from the controller 2 to the prime movers M1 to M6 based on the fountain program inputted to the computer 1, and the pumps P1 to P6 are driven. By controlling the operating state, the fountain heights of the fountain nozzles N1 to N6 during execution of the fountain are different from the fountain state set to the same level as shown in FIG. 7 and the fountain heights of the fountain nozzles N1 to N6. The mountain-shaped fountain state shown in FIG. 8, the valley-shaped fountain state shown in FIG. 9, and the inclined fountain state shown in FIG. 10 can be continuously or intermittently executed. However, in the conventional fountain device, since the height control and stop control of the fountains of the fountain nozzles N1 to N6 are simultaneously performed in the fountain blocks B1 to B6, the fountain blocks B1 to B6 have uniform fountain shapes. Moreover, it is impossible to shift the fountain form from the fountain block B1 to the block B6. Therefore, there is a difficulty in that a large visual change in the form of the fountain cannot be produced.

[0004]

The problem to be solved is that the height control and stop control of the fountains of a plurality of fountain nozzles are simultaneously performed in a plurality of fountain blocks.
The fountain shape cannot be changed for each fountain block, and the fountain shape cannot be transferred between the fountain blocks.

[0005]

According to the present invention, one or more fountain blocks provided with fountain nozzles, as many prime movers as the number of fountain nozzles in one fountain block, and these prime movers are individually driven. A plurality of water passages having pumps, which connect the pumps to the fountain nozzles of each fountain block to supply high-pressure water to the fountain nozzles, and output an operation / stop signal and a rotation speed control signal to the prime mover. In a fountain device provided with a control means, a water passage opening / closing valve is provided upstream of a fountain nozzle in each water passage, and the water opening / closing valve is opened / closed by an opening / closing signal output from the control means. In addition, the control means outputs a rotation speed correction signal to the prime mover in accordance with the number of opening of the water passage opening / closing valve, which is different for each fountain block. Enabling execution of the fountain figure, and to achieve the objective to produce a visual change large transitions the fountain figure between fountain blocks.

[0006]

According to the present invention, based on the fountain program,
By outputting an operation signal and a rotation speed control signal from the control means to each prime mover, controlling the operation state of the pump, and by outputting an opening / closing signal from the control means to the water passage opening / closing valve,
A uniform fountain pattern can be continuously or intermittently executed in each fountain block. On the other hand, based on the fountain program, the control means outputs an operation signal and a rotation speed control signal to each prime mover and outputs an opening / closing signal to the water passage opening / closing valve to open / close the water passage opening / closing valve in each fountain block. By controlling the fountains individually, it is possible to continue or intermittently change the fountain form different for each fountain block, and to continuously change the fountain form of the entire fountain device. Further, by moving the opening / closing of the water passage opening / closing valve for each fountain block to the adjacent fountain block, it is possible to transfer various fountain states between the fountain blocks.

On the other hand, in the fountain device constituted by arranging a plurality of the same number of fountain nozzles in each fountain block, when the water passage opening / closing is closed by the opening / closing signal output from the control means, the water passage The control means outputs a rotation speed correction signal to the prime mover in accordance with the number of open / closed valves, and the pressure of the water passage fluctuates according to the number of open / closed water passage open / close valves. Can be suppressed. Therefore, even if the opening / closing pattern of the water passage opening / closing valve changes in each water passage, the root pressure of the fountain nozzle on the downstream side of the opened water passage opening / closing valve is always kept constant. The fluctuation of the height of the fountain can be suppressed, and the involuntary variation of the fountain shape can be prevented.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. FIG. 1 is a system diagram showing an embodiment of the fountain device of the present invention.
The same or corresponding parts as those of the conventional fountain device described with reference to FIG. In FIG. 1, the fountain device includes six fountain blocks B1 to B6 provided with six fountain nozzles N1 to N6, and each fountain block B1.
To B6 are provided with the same number of prime movers M1 to M6 as the fountain nozzles N1 to N6, and pumps P1 to P6 individually driven by these prime movers M1 to M6. These pumps P1 to P6 and the fountain nozzles N1 to N6 are connected to each other to supply high-pressure water to the fountain nozzles N1 to N6, and six means of water passages WR1 to WR6, and a control means C for outputting an operation / stop signal and a rotation speed control signal to the prime movers M1 to M6. The control means C is provided with a computer 1 and a computer.
Based on a signal output from the computer 1, a controller 2 that outputs a drive / stop signal, a rotation speed control signal, and a rotation speed correction signal to the prime movers M1 to M6, and a signal output from the computer 1 will be described later. The controller 3 outputs an opening / closing signal to the water passage opening / closing valve. On the other hand, in the water passages WR1 to WR6, water passage passage opening / closing valves V1 to V6 made of, for example, electromagnetic valves are provided upstream of the fountain nozzles N1 to N6, and the water passage passage opening / closing valves V are provided.
1 to V6 are controlled to be opened / closed by the opening / closing signal output from the controller 3, and the controller 3 controls the number-of-opening signals or the number-of-valve signals of the water passage opening / closing valves V1 to V6 in the water passages WR1 to WR6. Is output to the controller 2, and based on the valve opening number signal or the valve closing number signal, the controller 2 drives the prime mover M1.
It is configured to output a rotation speed correction signal to M6. In addition, 4 is a flow control valve, and a water passage opening / closing valve V1
To V6 and the fountain nozzles N1 to N6.

Next, the operation of the above configuration will be described. Based on the fountain program input to the computer 1, the controller 2 of the control means C outputs an operation signal and a rotation speed control signal to the prime movers M1 to M6, and each pump P1.
~ By controlling the operating state of P6, the controller 3 outputs a valve opening signal to the water passage opening / closing valves V1 to V6 to open all of the water passage opening / closing valves V1 to V6. Similar to the fountain device, the fountain heights of the fountain nozzles N1 to N6 when the fountain is executed are set to the same level as shown in FIG. 7, for example, and the fountain heights of the fountain nozzles N1 to N6 are made different from each other. Yamagata fountain shown in Figure 8, Figure 9
It is possible to continuously or intermittently execute the valley-shaped fountain state shown in FIG. 10 and the inclined fountain state shown in FIG.

On the other hand, based on the fountain program input to the computer 1, the controller 2 of the control means C outputs the operation and rotation speed control signals to the prime movers M1 to M6, and the controller 3 supplies the water passage. By outputting a valve opening signal to the opening / closing valves V1 to V6 and individually controlling opening / closing of the water passage opening / closing valves V1 to V6 in each of the fountain blocks B1 to B6,
For example, as shown in FIGS. 2 to 5, the fountain block B
It is possible to continue the fountain in different forms for each of 1 to B6 or intermittently operate and stop the prime movers M1 to M6 to interrupt the fountain in different forms for each of the fountain blocks B1 to B6. By sequentially changing the fountain shape from FIG. 5 to FIG. 5, it is possible to continuously change the fountain shape of the entire fountain device to change the tip.
Further, for example, when the fountain in the form shown in FIG. 8 or FIG. 9 is executed, the fountain nozzle N1 in the fountain block B1.
~ Stop the N6 fountain from N1 to N6 sequentially,
When all the fountains in the fountain block B1 are stopped, the fountains N1 to N6 in the fountain block B2 are changed to N1.
Fountain nozzle N1 in fountain block B1 in which all fountains are stopped at the same time
To N6 are sequentially spouted from N1 to N6, that is, from the start fountain block B1 to the end fountain block B6, the water passage opening / closing valves V1 to V6 are opened and closed in the start end side fountain block to the end side. By moving to the adjacent fountain block, it is possible to execute a fountain shape that gives the feeling that the waves move in the swell direction. Therefore, it is possible to produce a large visual change as compared with the conventional fountain device.

On the other hand, at the time of executing the above-mentioned fountain, the controller 3 controls according to the number of the water passage opening / closing valves V1 to V6 opened by the opening / closing signal output from the controller 3 or the number of closed valves. A valve opening number signal or a valve closing number signal of the water passage opening / closing valves V1 to V6 in the water passages WR1 to WR6 is output to the device 2, and the controller 2 is based on the valve opening number signal or the valve closing number signal. It is possible to output a rotation speed correction signal from the motors M1 to M6 to suppress the pressure in the water passages WR1 to WR6 from varying according to the number of open or closed valves of the water passage open / close valves V1 to V6. . That is, each water passage W
As the number of opening of the water passage opening / closing valves V1 to V6 in R1 to WR6 decreases, the rotation speed correction signal corrects the rotation speed of the prime movers M1 to M6 to the low rotation side, and conversely each water passage path. Water passage opening / closing valves V1 to V6 in WR1 to WR6
As the number of open valves increases, the rotation speed correction signal corrects the rotation speeds of the prime movers M1 to M6 to the high rotation side, and the pressures in the water passages WR1 to WR6 are constantly maintained in the water passages. WR
1 to WR6 is maintained at the reference pressure when all of the water passage opening / closing valves V1 to V6 are opened. as a result,
Water passage opening / closing valve V1 in each water passage WR1 to WR6
Even if the opening / closing pattern of V6 to V6 changes, it is possible to always keep the root pressure of the water passage opening / closing valves V1 to V6 that are open downstream constant. The fluctuation of the height of the fountain can be suppressed, and it is possible to prevent the involuntary variation of the fountain shape.

In the above embodiment, the fountain block B1
Although the description has been given with a configuration in which the to B6 are linearly arranged, the fountain blocks B1 to B6 may be arranged in an arc shape, a single annular shape, or a plurality of double or more multiple annular shapes. As a result, it is possible to produce a fountain having a different taste from that of the above embodiment. Further, it is needless to say that the numbers of the fountain blocks B1 to B6 and the fountain nozzles N1 to N6 are not limited to those in the above-described embodiment, and any number can be selected and adopted.

[0013]

As described above, according to the present invention, the height control of the fountain of the fountain nozzle and the fountain stop control can be individually performed for each fountain block. Therefore, the fountain having a different form for each fountain block. It is also possible to carry out, and transfer the fountain form between the fountain blocks. Therefore, it is possible to produce a large visual change as compared with the conventional fountain device.

[Brief description of drawings]

FIG. 1 is a system diagram showing an embodiment of a fountain device of the present invention.

FIG. 2 is a diagram showing an example of a fountain in which the fountain shape that can be executed by the fountain device of the present invention differs for each fountain block.

FIG. 3 is a diagram showing another example of a fountain in which the fountain shape that can be executed by the fountain device of the present invention is different for each fountain block.

FIG. 4 is a diagram showing another example of fountains that can be executed by the fountain device of the present invention, in which the fountain state is different for each fountain block.

FIG. 5 is a diagram showing another example of a fountain in which the fountain shape that can be executed by the fountain device of the present invention is different for each fountain block.

FIG. 6 is a system diagram showing a conventional fountain device.

FIG. 7 is a diagram showing an example of a fountain state that can be executed by a conventional fountain device.

FIG. 8 is a diagram showing another example of a fountain state that can be executed by a conventional fountain device.

FIG. 9 is a diagram showing another example of a fountain state that can be executed by a conventional fountain device.

FIG. 10 is a diagram showing another example of a fountain state that can be executed by a conventional fountain device.

[Explanation of symbols]

B1, B2, B3, B4, B5, B6 Fountain block C Control means M1, M2, M3, M4, M5, M6 Motor (motor) N1, N2, N3, N4, N5, N6 Fountain nozzle P1, P2 P3, P4, P5, P6 Pump V1, V2, V3, V4, V5, V6 Water passage opening / closing valve WR1, WR2, WR3, WR4, WR5, WR6 Water passage

Claims (1)

[Claims] 1. A pump having one or more fountain blocks provided with fountain nozzles, as many prime movers as the number of fountain nozzles of one fountain block, and pumps respectively driven by these prime movers. And a plurality of water passages for connecting the fountain nozzles of each fountain block to supply high-pressure water to the fountain nozzles, and a fountain device provided with a control means for outputting an operation / stop signal and a rotation speed control signal to the prime mover. A water passage opening / closing valve is provided at a position upstream of the fountain nozzle in each water passage, and the water passage opening / closing valves are opened / closed by an opening / closing signal output from the control means, and the water passage opening / closing is performed. A fountain device configured to output a rotation speed correction signal from the control means to the prime mover according to the number of open valves.