JP2001070850A - Ultrasonic atomizer provided with floater - Google Patents

Abstract

PROBLEM TO BE SOLVED: To atomize a liq. even if a water level is changed by floating an atomizer in a basin or water tank or a large-capacity vessel with the water level changed drastically and to prevent the idling of an ultrasonic vibrator by detecting the water level by a water level detecting sensor when the water level is lowered and the bottom of a floating reaches the bottom. SOLUTION: In a floater 11 made of an expandable sponge, or the like, a lare-diameter part 11a, a cylindrical part 11b, a cavity 11c formed almost in the center of the large-diameter part 11a and the cylindrical part 11b and a water intake 11d communicating with the cavity 11c are formed. Further, a unit cooling point 11f is formed in the bottom 11e of the cylindrical part 11b, and when an ultrasonic unit 12 is inserted from the upper face of the cavity 11c of the floater 11, the face of an ultrasonic vibrator 2 to be irradiated with an ultrasonic wave is positioned practically beside the intake 11d.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ultrasonic atomizer equipped with a floater for atomizing water, aromatic liquid or deodorant liquid by floating in a pond, a water tank or a large-capacity container having a large water level change. It is.

[0002]

2. Description of the Related Art As an ultrasonic atomizing apparatus, as shown in FIG. 5, an ultrasonic vibrator 2 is fixed to an upper portion of a case 1 by a fixing member 4 via a packing 3, and the case 1
A water level detection sensor 7 composed of a metal bar 6 covered with an insulator 5 is fixed to the side of the ultrasonic vibrator 2 so as to protrude to a position higher than the irradiation surface of the ultrasonic vibrator 2.
The lead wire 8 connected to is connected to an empty heating prevention circuit 9 having a cutoff circuit and a high-frequency oscillator, and the ultrasonic unit connected to a power supply cord 10 connected to a power supply (not shown) is connected to the empty heating prevention circuit 9. It was proposed to mount one (see Japanese Patent Application No. 11-244620).

[0003]

However, the ultrasonic atomizer constructed as above is charged into the liquid in the container while holding the ultrasonic wave emitting surface of the ultrasonic vibrator 2 on the upper side.
The ultrasonic oscillator 2 is supplied with an oscillation output from a high-frequency oscillator to generate ultrasonic waves, and the generated ultrasonic waves are focused on the liquid surface so that the liquid is atomized from the liquid surface. However, in order to always focus this ultrasonic wave on the liquid surface,
The distance between the ultrasonic irradiation surface of the ultrasonic vibrator 2 and the liquid surface must always be set to a predetermined distance, and a liquid equal to the amount to be atomized must always be supplied to the container.
There was a problem that the configuration became complicated.

[0004]

According to the present invention, there is provided an ultrasonic vibrator mounted on the upper surface of an ultrasonic unit, wherein an oscillating output is supplied from a high-frequency oscillator, and the ultrasonic unit is immersed in a liquid to produce the ultrasonic vibration. In an ultrasonic atomization device for atomizing a liquid supplied to an irradiation surface of a child, the ultrasonic unit is supported by a floater, the floater is floated on a water surface, and an ultrasonic vibration attached to an upper surface of the ultrasonic unit is provided. The radiation surface of the ultrasonic wave of the child is always maintained at a substantially predetermined depth, and the floater has a large-diameter portion formed at an upper portion, a cylindrical portion formed at a lower portion, and the large-diameter portion. A hollow portion is formed in the cylindrical portion, a water intake opening communicating with the hollow portion is formed on a side surface of the cylindrical portion, the ultrasonic unit is attached to a lower portion of the cylindrical portion, and a radiation surface of the ultrasonic vibrator is formed. Even if formed near the water intake In addition, a cover may be mounted on the cavity above the floater so that water droplets do not fly out, or the cavity above the floater so that water droplets do not fly out. A mesh may be mounted on the top.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS According to the present invention, an ultrasonic unit is supported by a floater so that the ultrasonic unit can be suspended in a liquid, and the ultrasonic wave of an ultrasonic vibrator mounted on the ultrasonic unit. By setting the distance between the irradiation surface and the liquid surface to a predetermined distance at which the liquid is atomized, the liquid can be atomized until the liquid disappears and the bottom surface of the floater reaches the bottom.

[0006]

FIG. 1 is a perspective view of a floater of an ultrasonic atomizer according to an embodiment of the present invention. The floater 11 is made of a material such as a foaming sponge.
b, a hollow portion 11c formed substantially at the center of the large diameter portion 11a and the cylindrical portion 11b, and a water intake 11d communicating with the hollow portion 11c.
Are formed, and a unit cooling port 11f is formed at the bottom 11e of the cylindrical portion 11b.

FIG. 2 is a perspective view of an ultrasonic unit of the ultrasonic atomizing apparatus. The structure of the ultrasonic unit 12 is the same as that of the ultrasonic unit shown in FIG. 5, and the case 1 has stepped cylindrical portions 1a and 1b. The ultrasonic vibrator 2 is mounted on the upper surface of the cylindrical portion 1a on the upper part of the case 1, and the water level detecting sensor 7
The power cord 10 is mounted on the upper surface of the lower cylindrical portion 1b.

[0008] Then, as shown in FIG.
When the ultrasonic unit 12 is inserted from the upper surface of the hollow portion 11c of the first ultrasonic transducer 1, the ultrasonic irradiation surface of the ultrasonic transducer 2
d.

When the thus constructed ultrasonic atomizing apparatus of the present embodiment is placed in a liquid in a pond, a water tank, or a large-capacity container, as shown in FIG.
The buoyancy is selected such that the liquid level 13 comes to a position substantially below the surface of the liquid, and the liquid level 13 becomes a position where the ultrasonic wave generated from the ultrasonic transducer 2 of the ultrasonic unit 12 is focused. 12 can be atomized, and even if the liquid level fluctuates due to waves or other vibrations, the distance between the ultrasonic irradiation surface of the ultrasonic vibrator 2 and the liquid level 12 does not change. The ultrasonic vibrator 2 does not fire in the empty state, and the liquid 1 flows from the unit cooling port 11f of the bottom 11e of the floater 11.
Since 3 contacts ultrasonic unit 12, ultrasonic unit 12 can be cooled.

FIG. 5 is a side sectional view of an ultrasonic atomizing apparatus according to another embodiment of the present invention. Reference numeral 11 denotes a floater, and 12 denotes an ultrasonic unit. Is omitted, but in this embodiment, the floater 11
By mounting a plurality of columns 14 on the large-diameter portion 11a and placing the cover 15 thereon, water drops blown by the ultrasonic vibrator 2 of the ultrasonic unit 12 fall on the cover 15, Pillar 1 under cover 15 covered only by liquid
It comes out between four.

FIG. 6 is a side sectional view of an ultrasonic atomizing apparatus according to another embodiment of the present invention. Reference numeral 11 denotes a floater, and reference numeral 12 denotes an ultrasonic unit. Although the description is omitted, in this embodiment, the mesh 16 is mounted on the pillar 14 so that the ultrasonic unit 12
The water droplets blown off by the ultrasonic vibrator 2 fall on the mesh 16 and fall, and the atomized liquid is passed through between the eyes of the mesh 16.

As shown in FIG. 7, the mesh 16 may be mounted above the hollow portion 11c of the large diameter portion 11a of the floater 11.

In the above embodiment, the ultrasonic unit 12
Is supported on the bottom of the floater 11, but the present invention is not limited to this.
Anything can be used, and the floater may be composed of a donut-shaped disk, and the ultrasonic unit may be suspended below the disk, or between the two floating bodies. The ultrasonic unit may be suspended, or the floater may be configured in the shape of a ship or an animal.

In the above embodiment, the water level detection sensor 7
Was mounted on the upper part of the ultrasonic unit 12,
A switch provided with a projection may be attached to the lower part of the ultrasonic unit 12, and when the liquid in the container or the like is exhausted and the floater 11 reaches the bottom, the high frequency oscillator may be stopped by pressing the switch of the projection. .

[0015]

As described above, in the ultrasonic atomizer equipped with the floater of the present invention, the distance between the ultrasonic irradiation surface of the ultrasonic vibrator of the ultrasonic unit and the liquid surface can be predetermined by the floater. By setting it at a distance, it is possible to atomize the liquid by floating it in a pond or aquarium or a large capacity vessel where the water level change is large,
Even if the water level changes, the ultrasonic vibrator does not empty, and when the water level goes down and the bottom of the floater reaches the bottom, the water level is detected by the water level detection sensor and the ultrasonic vibrator becomes empty. There is an advantage that the baking can be prevented and the ultrasonic unit can be cooled by the cooling hole at the bottom of the floater.

[Brief description of the drawings]

FIG. 1 is a perspective view of a floater of an ultrasonic atomizer equipped with a floater according to one embodiment of the present invention.

FIG. 2 is a perspective view of an ultrasonic unit of the ultrasonic atomizer equipped with a floater.

FIG. 3 is a perspective view of an ultrasonic atomizer equipped with a floater according to one embodiment of the present invention.

FIG. 4 is a side sectional view showing a state in which the ultrasonic atomizing device of the embodiment of FIG. 3 is charged into a liquid.

FIG. 5 is a perspective view of an ultrasonic atomizer equipped with a floater according to another embodiment of the present invention.

FIG. 6 is a perspective view of an ultrasonic atomizer equipped with a floater according to still another embodiment of the present invention.

FIG. 7 is a perspective view of an ultrasonic atomizer equipped with a floater according to still another embodiment of the present invention.

FIG. 8 is a side sectional view of an ultrasonic unit proposed by the present applicant.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Case 2 Ultrasonic vibrator 7 Water level detection sensor 10 Power cord 11 Floater 12 Ultrasonic unit 13 Liquid

 ──────────────────────────────────────────────────の Continued on the front page (72) Inventor Ryoji Kondo 20 Koyamazuka Oiwa-cho, Toyohashi-shi, Aichi Prefecture Inside Honda Electronics Co., Ltd. (72) Hiroki Miura 20 Koyamazuka Oiwa-machi, Toyohashi-shi, Aichi Prefecture Honda Electronics Co., Ltd. (72) Inventor Yoshikazu Muramatsu 20th Oyamazuka Oiwa-cho, Toyohashi-shi, Aichi F-term in Honda Electronics Co., Ltd. (reference) 4D074 DD07 DD55 DD70

Claims (4)

[Claims] 1. An oscillation output from a high-frequency oscillator is supplied to an ultrasonic vibrator mounted on an upper surface of an ultrasonic unit, and the ultrasonic unit is immersed in a liquid and supplied to an irradiation surface of the ultrasonic vibrator. In an ultrasonic atomizer for atomizing a liquid, the ultrasonic unit is supported by a floater, the floater is suspended on a water surface, and the ultrasonic radiation surface of an ultrasonic vibrator mounted on the upper surface of the ultrasonic unit has an ultrasonic radiation surface. An ultrasonic atomizer equipped with a floater, which is always kept at a predetermined depth. 2. The floater has a large diameter portion formed at an upper portion, a cylindrical portion formed below, a hollow portion formed between the large diameter portion and the cylindrical portion, and a side portion of the cylindrical portion communicates with the hollow portion. The floater according to claim 1, wherein an intake port is formed, the ultrasonic unit is attached to a lower portion of the cylindrical portion, and a radiation surface of the ultrasonic vibrator is formed near the intake port. Ultrasonic atomizer. 3. The ultrasonic atomizer equipped with a floater according to claim 1, wherein a cover is mounted on the hollow portion above the floater so that water droplets do not fly outside. 4. The ultrasonic atomizer equipped with a floater according to claim 1, wherein a mesh is mounted on the hollow portion above the floater so that water droplets do not fly outside.