JPH0231785A - Variable bubble-in-water generating device - Google Patents

Abstract

PURPOSE:To optionally set a pattern of generating bubble-in-water by operating an operating valve according to a specified program set on a control panel to control the generating amount of bubble-in-water and intermittent bubble generation. CONSTITUTION:A programming mechanism of a control board 32 in an air flow control device 36 is adjusted so set timing, period of time, flow rate, etc. of discharging air 24 corresponding to strength, length, pitch and tone of sounds in a piece of music. When an operating valve 34 is operated by the control board 32 set as described above, air 24 that is regulated at a specified pressure (3kg/cm normally) by a pressure reducing valve 38 is discharged through a check valve 30 according to the program described above, and floats up through the periphery edge 41a of an air receiver 41 and a number of holes on a grating cover 22 into a pool 10 forming bubble-in-water 28. Thereby, a pattern of generating bubbling-in-water can be optionally set.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention generates air bubbles (hereinafter referred to as underwater bubbles) in the water or on the water surface by releasing air from underwater water such as a pool or a reservoir. The present invention relates to an underwater bubble generating device that produces bubbles for viewing or playing, and particularly to a variable underwater bubble generating device that is configured so that the generation state of the underwater bubbles can be set to an arbitrary predetermined value.

[Conventional technology]

Generally, conventional underwater bubble generators of this kind, for example,
As shown in the figure and FIG. 4, the pipe end 16 of the air piping system 14 is placed near the bottom of an air discharge chamber 12 bored at the bottom of a pool or reservoir 10 (hereinafter simply referred to as a pool). Above the end 16 is an inverted pan-shaped air receptacle 20 supported on the post 18 in a click-spring-like motion.
A compressed air supply device (not shown) such as a compressor is connected to the upstream side of the air piping system 14. Note that the air release chamber 12 is covered with a lattice lid 22 to prevent danger. In such a configuration, when the air 24 is constantly discharged from the pipe end 16 through the air piping system 14, the air 24 is temporarily discharged from the water 2 in the air receiver 20.
This air receiver 20 is filled in place of 6 (3rd
When the space between them almost fills the air receiver 20, the air receiver 20 suddenly stands upright due to the buoyant force of the air 24 like the reversal movement of a click spring (see Fig. 4).
4 is released into one melon, and a large amount of underwater bubbles 28 are generated. Then, the air receiver 20 returns to the state shown in FIG. 3 due to its own weight. Such action is repeated while the air 24 is being supplied.

In this way, underwater bubble generators have come to be widely adopted as suitable for viewing shows or for games such as bubble riding.

[Problem to be solved by the invention]

However, in the above-mentioned conventional underwater bubble generating device, the generation period of underwater bubbles and the amount of bubbles generated are fixed, so it cannot be said that it fully exhibits the entertainment value of a show or a game. There wasn't. Moreover, the amount of underwater bubbles generated at one time is relatively large and occurs all at once, and the generation of underwater bubbles is concentrated in a relatively small area. For safety reasons, it was necessary to distinguish between underwater bubble generators for children and boys, etc. when using them for children and children.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a variable underwater bubble generating device that can arbitrarily set the amount of generated underwater bubbles and the intermittence of generation of underwater bubbles.

[Means to solve the problem]

In order to achieve the above object, the variable underwater bubble generator according to the present invention includes a check valve at the pipe end for an air piping system in which the pipe end opens upward in water such as a pool or a reservoir. Further, an air flow control device consisting of a control panel section and an operation valve section in order toward the upstream side, and a pressure reducing valve are interposed, and an air receiver is provided above the check valve and close to the check valve. The amount of generation of underwater bubbles and the intermittent generation of bubbles can be controlled by operating the operating valve section according to a predetermined program set in the control panel section.

In this case, the air piping system is constructed so that the air tank and compressor are connected before the pressure reducing valve, and the check valve and air intake are placed in an air release chamber bored at the bottom of the pool, etc. The top end is covered with a grid cover,
Further, it is preferable that a plurality of electromagnetic valves or electric valves are disposed in the operating valve section so that one or a predetermined number of them can be operated as appropriate. Furthermore, if the operation of the operating valve section by the control panel section is configured to be related to music, a show-like effect can be exhibited extremely well for viewing purposes.

[Effect]

The amount of underwater bubbles generated and the intermittent occurrence of underwater bubbles are determined by
By operating the operating valve section of the air flow rate control device according to a predetermined program using the am control section, it can be set to any desired value depending on the purpose of viewing or playing. Therefore, it is possible to sufficiently and accurately exhibit show-like appreciation or game-like entertainment.

〔Example〕

Next, one embodiment of the underwater bubble generator according to the present invention will be described in detail below with reference to the accompanying drawings. For convenience of explanation, the same reference numerals are given to the same components as those of the conventional structure shown in FIGS. 3 and 4, and detailed explanation thereof will be omitted.

In FIG. 1, the variable underwater bubble generator according to the present invention basically consists of a tube end 16 connected to an air piping system 14 in which the tube end 16 opens upward in the water of a boule 10.
A check valve 30 is provided at the air flow rate control device 36, which is composed of a control panel section 32 and an operation valve section 34 in order toward the upstream side thereof. In addition, a pressure reducing valve 38 is interposed, and an air receiver 41 is fixedly disposed above the check valve 30 and close to the check valve 30 via a column 40. An air tank 42 and a compressor 44 are connected to the front stage of the pressure reducing valve 38, and a check valve 30 and an air receiver 4 are connected to each other.
1 is placed in an air release chamber 12 formed in the bottom of the boule 10, and the upper end of the air release chamber 12 is covered with a grid cover 22. If the air piping system 14 near the reversing valve 30 is formed into a large diameter pipe 14a whose diameter is one to two sizes larger than that of the upstream portion, the air can be expanded properly during air release.

As shown in an enlarged view in FIG. 2, the operating valve section 34 of the air flow control device @36 includes a plurality of (seven in the figure) solenoid valves (
(or electric valves) 46 are connected in parallel via piping, and one or a predetermined number of valves can be operated as appropriate via a control panel section 32 that incorporates a program mechanism (not shown) consisting of a timer or the like. .

Note that, instead of the plurality of electromagnetic valves 46, the operating valve section 34 may use an automatic control valve that can proportionally change the valve opening in response to changes in electrical signals or pneumatic signals. .

The air receiver 41 is mainly composed of an air pocket 48 formed by turning a bowl-shaped body upside down, and after once receiving the air 24 released from the check valve 30, the air receiver 41 uniformly radiates into the air release chamber 12 from its periphery 41a. .

Note that the air receiver 41 receives the air 24 that will be dissipated from now on.
The shape of the air receiver 41 can be arbitrarily formed in order to configure the distribution of It is preferable that the number of valves 30 be the same.

Next, the operation of the variable underwater bubble generator of the present invention having such a configuration will be explained.

During operation, first, the program mechanism of the control panel 32 of the air flow rate control device 36 is adjusted, and the timing and amount of air 24 to be released are adjusted to match the strength, length, shortness, pitch, tone color, etc. of the sound in the music. Set. For example, the strength of a sound is expressed by the amount of emission, the length of the sound is expressed by the length of the emission time, the pitch of the sound is expressed by the amount of emission [1], and the timbre is expressed by the amount of emission. Try to express it by continuous or intermittent emissions. In this way, when the operating valve section 34 is operated by the set control panel section 32, the pressure is adjusted to a predetermined level (usually 3 K9/cm) by the pressure reducing valve 38.
) is released from the check valve 30 in accordance with the program, i.e. in response to the music, and flows through the periphery 41a of the air receiver 41 and the numerous holes in the grid cover 22 into the water in the boule 10. surface and underwater bubbles 28
form. In the process of said action, the check valve 30:
This prevents the water 26 from flowing back into the air piping system 14 when the air 24 is stopped being released, and furthermore, since the air receiver 41 is always filled with air 24 up to its periphery 41a, the operation valve section 34 is opened and closed intermittently. Even when the air 24 released from the check valve 30 turns into underwater bubbles 28 and is programmed in the control panel 32 to take into account the time delay before reaching the water surface, the underwater bubbles 28 can be can be caused to occur in correspondence with the music for a period of up to two hours.

In this way, the variable underwater bubble generating device of the present invention allows the generation pattern of underwater bubbles to be set to any desired value, so that it can fully exhibit show-like viewing or game-like entertainment. Furthermore, safety can be ensured even when used for play by young children.

Although the present invention has been described above with reference to preferred embodiments, the present invention can be modified in many ways without departing from its spirit. For example, this device does not require an air release chamber.
It can also be configured to be temporarily installed at the bottom of a reservoir.

(Effects of the Invention) As explained above, the variable underwater bubble generator according to the present invention has a non-return check at the pipe end for an air piping system in which the pipe end opens upward in water such as a pool or a reservoir. An air flow control device consisting of a control panel section and an operation valve section, and a pressure reducing valve are installed in order toward the upstream side of the valve, and above the check valve, an air flow control device and a pressure reducing valve are installed. Since the air receiver is arranged close to the control panel, the operation valve can be operated according to a predetermined program set on the control panel, and the amount of generation of underwater bubbles and the intermittency of generation can be set as desired. be able to.

Therefore, it is possible to fully exhibit show-like appreciation or game-like entertainment, and it is also possible to ensure safety for use as a game for young children.

[Brief explanation of the drawing]

FIG. 1 is a partial cross-sectional system diagram showing an embodiment of the variable underwater bubble generator according to the present invention, FIG. 2 is a piping diagram showing the connection pattern of the operating valves in the operating valve section shown in FIG. 1, Figure 3 is a cross-sectional view showing the state in which the air receiver captures air in a conventional underwater bubble generator, and Figure 4 is shown in Figure 3.1 When a conventional underwater bubble generator generates underwater bubbles FIG. 10...Boule 14...-Air piping system 16...Pipe end 24...Air 28...Water bubbles 32...Mm control section 12...Air discharge chamber 14a...Large diameter pipe 22...Grate lid 26...Water 30...Stop valve 34...Operation valve section 36...Air flow control device

Claims (5)

[Claims] (1) For an air piping system in which the pipe end opens upward in water such as a pool or reservoir, a check valve is provided at the pipe end, and the control panel part and the operation valve part are arranged in order toward the upstream side. An air flow control device and a pressure reducing valve are provided, and an air receiver is arranged above the check valve and close to the check valve, and the operation valve section is operated according to a predetermined program set in the control panel section. A variable underwater foam generator characterized in that it can be operated to control the amount of underwater foam generation and the intermittence of generation. (2) The variable underwater foam generating device according to claim 1, wherein an air tank and a compressor are connected upstream of a pressure reducing valve in an air piping system. (3) The variable underwater bubble according to claim 1, wherein the check valve and the air receiver are arranged in an air release chamber bored at the bottom of a pool, a reservoir, etc., and the upper end of the air release chamber is covered with a lattice lid. Generator. (4) The variable underwater foam generator according to claim 1, wherein the operating valve section is provided with a plurality of electromagnetic valves or electric valves, and one or a predetermined number of them can be operated as appropriate. . (5) The variable underwater bubble generator according to claim 1, wherein the variable underwater bubble generating device is configured so that the operation of the operating valve section by the control panel section is associated with music.