JPH08131900A - Sectorial fountain device - Google Patents

Abstract

PURPOSE: To change not only the size of a sectorial fountain but a sectional shape as well. CONSTITUTION: This sectorial fountain device jets water to a sectorial shape by diffusing the flow of the water ejected out of a nozzle 10 in a horizontal direction in nearly a rectangular direction by a sectorial diffusion plate 20. The fountain device is provided angle-adjustably with a pair of opening angle plates 41, 42 for limiting and setting the sectorial opening angle of the water diffused by the sectorial diffusion plate 20 and is provided with a driving device for changing the opening angle (gears 51, 52, pinions 72, 72, servo motor 60) which drives a pair of these angle opening plates 41, 42 to change their angle. In addition, the operation of the driving device for changing the opening angle is controlled by a computer controller.

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 diffusing in a fan shape, that is, a device for exposing a so-called fan-shaped water screen, and in particular, the shape of a fountain diffusing in a fan shape can be freely variably controlled. The present invention relates to a fan fountain device.

[0002]

2. Description of the Related Art FIG. 3 shows a conventional fan-shaped fountain device. The water ejected from the nozzle 10 in the horizontal direction is directed vertically to the direction of the water ejected from the nozzle 10 by the fan-shaped diffusion plate 20 that forms a fan-shaped vertical surface that rises from the horizontal surface through a smooth curved surface and opens 180 degrees. To form a fountain called a fan-shaped water screen. In addition, a so-called high-tech fountain uses a computer control device to link the change of color illumination light with music (music with a CD or live performance with a keyboard) and to open / close a fountain pump or a water supply valve. By changing the lighting and fountain shape according to the melody of music, the world of water dance and aqua art is revealed. With the high-tech fountain in the conventional fan-shaped water screen, the aesthetic effect is exhibited by controlling the jet flow rate of water to change the size of the fan-shaped water screen from zero to the maximum.

[0003]

As described above, the fan-shaped fountain device aiming at an aesthetic effect is to change the size of the fan-shaped water screen by controlling the jet flow rate of water in accordance with music or the like. However, there is a limit to the aesthetic pursuit of human beings, and there was a problem in that people became tired of themselves just by changing the size of the fountain.

The present invention has been made to solve the above problems, and an object thereof is to obtain a fan-shaped fountain device capable of changing not only the size of the fan-shaped fountain but also the fan-shaped opening / closing shape.

[0005]

A fan-shaped fountain device according to the present invention is provided with a pair of opening angle plates for limiting the fan-shaped opening angle of water diffused by a fan-shaped diffusion plate, the angle-changing plates being provided so as to change the angle. An opening angle changing drive device for changing and driving the angle of the plate is provided.

[0006]

Since the pair of opening angle plates of the fan-shaped fountain device according to the present invention are provided so that the angle can be changed and the opening angle changing drive device for changing and driving the angle is provided, the opening angle changing drive device can be used to open the angle. When the plate angle is changed and driven, the opening angle plate changes the fan-shaped opening angle of the diffusing water. Therefore,
If the operation of the opening angle changing driving device is continuously performed, the fan-shaped shape of the fan-shaped fountain can be continuously changed to create a dynamic aesthetic of the fountain. Further, if the operation of the opening angle changing drive device is controlled by the computer control device in accordance with music, etc., a comprehensive dynamic aesthetic can be created.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a fan-shaped fountain device according to an embodiment of the present invention. (A) is a side view, (B) is a front view, (C) is a front view at a small opening angle, and (D) is a large opening angle. It is a front view. FIG.
In the figure, 10 is a nozzle for ejecting water, 20 is a fan-shaped diffusion plate for diffusing the water ejected from the nozzle 10, 41, 4
Reference numeral 2 denotes an opening angle plate for arbitrarily setting the fan-shaped angle of water diffused by the fan-shaped diffusion plate 20, reference numeral 30 denotes a rotation center axis serving as a rotation center of the opening angle plates 41, 42, and reference numerals 51, 52 denote opening square plates 41, 42. 42
Large gears 71 having an arc shape fixed to the back surface of the gear 71, 72 are small gears provided so as to mesh with the large gears 51, 52, 60
Is a servomotor that rotationally drives the small gears 71 and 72.

As shown in FIG. 1, the nozzle 10 is provided so that water sent from a water supply or water supply pump (not shown) is vigorously ejected in the horizontal direction. Fan-shaped diffuser 2
0 is a semi-circular shape (fan shape) that extends from the vertical upper part of the central portion to the left and right in FIG. A fan-shaped surface that rises up is formed. At the bottom of the nozzle 10 in the horizontal part of the fan-shaped diffuser plate 20,
A rotation center shaft 30 is provided in a direction parallel to the nozzle 10. The opening angle plates 41 and 42 are formed at the lower end edges of the opening angle plates 41 and 42 so as to be surfaces substantially perpendicular to the vertical surface of the fan-shaped diffusion plate 20 and substantially parallel to the direction of the nozzle 10. The part is rotatably attached to the rotation center shaft 30.

As shown in FIG. 1, the arcuate large gears 51 and 52 fixed to the back surfaces of the opening angle plates 41 and 42 are formed in an arcuate shape having a sufficient length about the rotation center axis 30. A tooth profile is formed on the outer circumference of the arc. The tooth profile of the arc-shaped large gears 51 and 52 is such that the small gear 7 is in the range in which the angle changes from the maximum open angle to the minimum open angle of the open angle plates 41 and 42.
It is formed so as to mesh with 1, 72. Gear 5
Fan-shaped diffuser plate 20 so that 1,52 can penetrate and move freely
The required hole is drilled in the relevant area. Small gear 7
Servo motors 6 and 1 are provided via reversing gears so that the small gears 71 and 72 rotate in opposite directions at the same rotational speed.
Connected to 0. The servo motor 60 may be a suitable one such as electric or hydraulic.

The drive source of the servomotor 60 is connected to a computer controller (not shown) via an amplifier. In addition, this computer control device, along with variation control such as blinking, increase / decrease, direction change, etc. of color illumination such as laser light in accordance with music (music by CD or the like, live performance by keyboard, etc.), and so-called fan-shaped fountain device The programmed software controls the fluctuation of the size of the fountain by opening and closing the water supply valve of the fan-shaped water screen and the fluctuation of the fan-shaped opening angle of the fan-shaped water screen due to the fluctuation of the opening angle of the opening angle plates 41 and 42. ing.

In FIG. 1, the gaps between the front and bottom edges of the open angle plates 41 and 42 and the surface of the fan-shaped diffusion plate 20 are formed to be as small as possible so that the water of the fan-shaped diffusion fountain does not leak. Need to If necessary, a rubber packing or a rubber plate is attached to the end edges of the opening angle plates 41 and 42 to stop water leakage. Also, the open angle plate 4
The bulges 4e formed in the nozzles 1 and 42 are for taking in the water ejected from the nozzle 10 into the inside of the angle opening plates 41 and 42 when the angle of opening is small. Also, the open angle plates 41, 42
In order to prevent the bulge 4e from hitting at the maximum open angle, the concave portion is formed in the horizontal portion of the fan-shaped diffusion plate 20 at the relevant portion.

Next, the operation of the embodiment shown in FIG. 1 will be described. When water sent from a water supply or water supply pump (not shown) is vigorously ejected from the nozzle 10, the water ejected in the horizontal direction from the nozzle 10 hits the fan-shaped diffusion plate 20 to form a fan-shaped so-called fan-shaped water screen. As shown in FIG. 3, the fan-shaped opening angle of the conventional fan-shaped fountain is a constant angle that is opened from 0 degrees to 180 degrees on the left and right, but the fan-shaped opening angle of the fan-shaped fountain shown in FIG. 1 is formed. The angle can be any angle limited by the opening angle plates 41 and 42. That is, the open angle plates 41, 42 are rotationally driven about the rotation center shaft 30 by the servomotor 60 via the large gears 51, 52 meshing with the small gears 71, 72 to open the open angles of the open angle plates 41, 42. If you change
The fan-shaped opening angle of the fan-shaped fountain can be freely changed.
For example, a small opening angle as shown in FIG. 1 (C) results in a fountain jetting high upward, and a large opening angle as shown in FIG. 1 (D) opens from 0 ° to 180 ° to the left and right. It becomes a fan-shaped screen-shaped fountain.

In FIG. 1, the servomotor 60 is connected to a computer control device (not shown), and the opening angle plates 41 and 42 are used together with the opening and closing of a water supply valve (not shown) of the fan-shaped fountain device in accordance with music, lighting and the like. If the variation of the fan-shaped opening angle is controlled by software programmed by a computer control device, the size of the fan-shaped fountain and the fan-shaped opening angle (fan-shaped central angle) are changed, resulting in a drastic change compared to the conventional method. The aesthetic effect of the fountain with lots of water is exhibited.

Next, a second embodiment shown in FIG. 2 will be described. In FIG. 2, two rotation center shafts 31 and 32 are provided parallel to the nozzle 10, and open angle plates 41 and 42 are rotatably attached to the rotation center shafts 31 and 32, respectively.
Large gears 51 and 52 are attached to the gears 1 and 42, respectively, and small gears 71 and 72 that mesh with the large gears 51 and 52 are provided. The small gears 71 and 72 are separately provided by connecting servo motors (not shown). It has been configured.

In the second embodiment shown in FIG. 2, the opening plate 41,
Since the servo motors that change and drive the opening angle of 42 are provided separately, each of the servo motors is controlled separately to open the opening angle plate 4
The open angles of 1, 42 can be varied separately. As a result, the fan-shaped central angle of the fan-shaped fountain can be varied widely, and the fan-shaped fountain can be laterally varied. However, even in the embodiment shown in FIG.
By separately providing the left and right open angle plates 41 and 42, it is possible to change the direction to the left and right.

In the above embodiment, the open angle plates 41, 42 are used.
As a mechanism for changing and driving the open angle of the servo motor 60, the rotational driving force of the servo motor 60 is transmitted through a gear mechanism.
The open angle plates 41 and 42 may be directly driven by the servomotor 60, or may be driven via a link mechanism or a cam mechanism, for example. Further, it may be configured such that a gear mechanism, a link mechanism, and a cam mechanism are combined and transmitted. Further, for example, a servo motor rotationally drives a cam disc at a constant rotation, and a cam shape arbitrarily formed on the outer circumference of the cam disc drives a opening / closing plate according to the cam shape via a link mechanism. It is also possible to have a different configuration.

By arranging a plurality of fan-shaped fountain devices by arranging them and arranging a plurality of fan-shaped fountain devices to create a combination of large and small fluctuations of the fountain shape, the fountain alone can be used for dynamical operation. Many variations can be obtained. By further arranging this according to changes in music, color lighting, etc., it is possible to bring out an infinitely attractive and interesting world of beauty.

[0018]

As described above, according to the present invention, since the fan-shaped fountain opening angle can be changed by driving the opening angle of the pair of open-angle plates, the fan-shaped fountain can be controlled to be large, small or wide. Shape
The dynamic attraction of the fan-shaped fountain can be greatly demonstrated by changing it according to the music, lighting, etc.

[Brief description of drawings]

FIG. 1 shows a fan-shaped fountain device according to a first embodiment of the present invention, (A) is a side view, (B) is a front view, (C) is a front view at a small opening angle, and (D) is a large opening angle. It is a front view at the time.

FIG. 2 is a front view of a fan-shaped fountain device according to a second embodiment of the present invention.

FIG. 3 shows a conventional fan-shaped fountain device, (A) is a side view,
(B) is a front view.

[Explanation of symbols]

 Reference numeral 10: nozzle, 20: fan-shaped diffusion plate, 30, 31, 32: central axis of rotation, 41, 42: open angle plate, 51, 52: large gear, 60: servo motor, 71, 72: small gear.

Claims (2)

[Claims] 1. A fan-shaped fountain device in which a fan-shaped diffusion plate diffuses a flow of water ejected horizontally from a nozzle in a substantially right-angle direction by a fan-shaped diffusion plate, and a fan-shaped opening angle of water diffused by the fan-shaped diffusion plate. A fan-shaped fountain device characterized in that a pair of open angle plates for limiting and setting the angle is provided so that the angle can be changed, and an open angle changing drive device for changing and driving the angle of the pair of open angle plates is provided. 2. The fan fountain device according to claim 1, wherein the operation of the opening angle changing drive device is controlled by a computer control device in accordance with music or the like.