JP2000135478A - Ultrasonic washer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the washing efficiency of soilings by utilizing ultrasonic vibration energy. SOLUTION: The ultrasonic vibration 115 outputted from an ultrasonic transmitting part 101 is amplified to the amplitude of a vibration wave form for effectively washing a material to be washed through an amplitude enlarging horn 102, to add it to flowing washing water flowing in a flowing water entry provided near the union of the amplitude enlarging horn 102 and a flowing water outflow part 110 (for example, city water flowing out from a faucet). In this way, washing efficiency can be increased, and also by changing the frequency and phase of ultrasonic vibration added to the washing flowing water, the washing efficiency can be increased.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for cleaning a body part such as hands or feet, food, industrial products, etc. with a fluid by applying ultrasonic vibration energy to the liquid in order to enhance the cleaning power. It relates to an ultrasonic cleaning device to be added.

[0002]

2. Description of the Related Art Apparatus for removing dirt from objects using ultrasonic vibration are used, for example, as toothbrushes and eyeglass cleaners as daily products. However, these ultrasonic cleaning devices directly transmit ultrasonic vibrations to a cleaning object or use cavitation due to ultrasonic vibrations through water.

[0003]

However, these apparatuses do not have a function of directly washing dirt, even though ultrasonic vibration is used. If the dirt can be washed off directly by ultrasonic vibration,
The vibration can be used effectively, and the cleaning efficiency is remarkably improved.

The present invention has been made in view of the above-mentioned problems, and has as its object to provide an ultrasonic cleaning apparatus capable of directly applying ultrasonic vibration energy to running water for cleaning.

[0005]

In order to solve the above-mentioned problem, an ultrasonic cleaning apparatus according to the first aspect of the present invention is characterized in that ultrasonic vibration energy is applied to running water for cleaning. As the washing water, a washing solution obtained by mixing water, a soap solution, a chemical washing solution or the like with water, or a solution obtained by mixing sand or fine particles with a liquid is used.

According to another aspect of the present invention, there is provided an ultrasonic cleaning apparatus according to the first aspect of the present invention, wherein cleaning water is supplied to a node of the ultrasonic vibration applied to the horn. It is characterized by injection.

[0007] In order to solve the above problem, the invention according to a third aspect of the present invention relates to the ultrasonic cleaning apparatus according to the first or second aspect, wherein the frequency of the ultrasonic wave applied to the cleaning water is: The frequency is 20 kHz to 60 kHz.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an ultrasonic cleaning apparatus according to the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a configuration diagram showing an embodiment of an ultrasonic cleaning apparatus according to the present invention. The ultrasonic cleaning device T
Ultrasonic wave generation circuit 105 for generating ultrasonic waves to be added to running water
, An amplitude expanding horn 102 used as a vibrator for increasing the amplitude of the ultrasonic vibration generated by the ultrasonic oscillator 101, and the vibration energy of the ultrasonic wave. Inlet 103 for flowing washing water into which the washing water is added into the amplitude expanding horn 102, a flowing water outlet 110 through which the washing water to which ultrasonic vibration energy is applied passes, and a flowing water from which the washing water flows out. An outlet 104 is provided. In addition, the running water flowing out of the tap 106 of the water pipe, for example, as the running water for cleaning flows into the running water inlet 103 of the ultrasonic cleaning apparatus T through, for example, a hose 107 attached as a guide pipe. .

FIG. 3 shows a configuration diagram of an ultrasonic oscillation circuit 105 provided in the ultrasonic oscillation section 101. As shown in the figure, the oscillation circuit 105 uses a self-excited oscillation feedback oscillation circuit that has good follow-up to load fluctuations and can maintain a stable resonance operation state.
Half bridge oscillation circuit 302 provided on the primary side of
And an impedance matching circuit 303 provided on the secondary side
And a feedback circuit that performs feedback from the secondary side to the primary side as indicated by an arrow 304 according to a load change. As the ultrasonic vibrator 305 for determining the frequency of the ultrasonic vibration, a Langevin type vibrator having a sandwich structure by bonding a piezoelectric material between two metal plates is used. The oscillation circuit and the vibrator to be used are not limited to those described above, and may be selected in consideration of operation stability and cost.

The ultrasonic vibration (sine wave vibration) 115 output from the ultrasonic oscillation unit 101 is
The ultrasonic vibration is taken out through a cylindrical amplitude expanding horn 102 formed integrally with the washing water, and the vibration amplitude is such that when applied to the running water for cleaning, the optimum cleaning effect can be improved. Is amplified. Then, the water is added to the washing water at the running water inlet 103 provided near the joint between the amplitude expanding horn 102 and the running water outlet 110. The ultrasonic vibration applied to the cleaning water is such that the energy can be efficiently transmitted to the water, that is, a sine waveform node is applied at the position of the flowing water inlet 103 into which the flowing water flows. (Refer to the sine wave vibration 115 and the flowing water inlet 103 in FIG. 1), and it is also possible to adopt a structure in which the length of the amplitude expanding horn 102 can be adjusted to obtain the optimum position.

FIG. 2 shows a configuration diagram of the amplitude expanding horn and the flowing outflow portion of the cleaning water. As shown in the figure, a running water outlet 103 provided on a side portion near the connection between the amplitude expanding horn 102 and the running water outflow portion 110 extends horizontally to a central portion of the cylindrical running water output portion 110, and then outputs the running water output. Part 110
Through the center to the running water outlet 104. The ultrasonic vibration that has passed through the amplitude expanding horn 102 is applied at a portion where the horizontally extending insertion port 103 reaches the center of the flowing water output unit. The shape of the flowing water outlet 104 is a convex acoustic lens. However, the shape of the water outlet 104 may be changed in consideration of the type of the object to be washed, the distance of the object to be washed from the water outlet, and the like. The object of cleaning can be applied to body parts such as hands, feet, anus, food, industrial parts, etc. by adjusting the vibration frequency and amplitude (input power) and changing the tip shape of the horn. .

[0013]

According to the first aspect of the present invention, by applying the ultrasonic vibration energy to the washing water, the washing power of the washing water can be increased, so that the time required for washing can be shortened and the water used can be reduced. The amount can also be reduced.

According to the second aspect of the present invention, the position of the node of the ultrasonic vibration applied to the amplitude expanding horn is adjusted so that the cleaning power is maximized in accordance with the frequency of the ultrasonic wave applied to the washing water. It is possible to easily follow the phase of the ultrasonic vibration waveform.

According to the third aspect of the present invention, the frequency of the ultrasonic wave applied to the running water is set to 20 kHz to 60 kHz, so that quietness of sound is ensured and the energy efficiency of the ultrasonic wave applied to the running water is improved. Is secured.

[0016]

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing one embodiment of an ultrasonic cleaning apparatus according to the present invention.

FIG. 2 is a configuration diagram illustrating an amplitude expanding horn and a flowing water outflow portion.

FIG. 3 is a configuration diagram of an ultrasonic oscillation circuit provided in the ultrasonic oscillation unit.

[Explanation of symbols]

 T Ultrasonic cleaning device 101 Ultrasonic oscillation section 102 Amplitude expansion horn 103 Running water inlet 104 Running water outlet 105 Ultrasonic oscillation circuit 106 Faucet 107 Hose etc. 110 Running water output section 115 Ultrasonic waveform

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3B201 AA46 AB01 BB62 BB84 BB85 BB92 BB94 CB01

Claims (3)

[Claims] 1. An ultrasonic cleaning apparatus characterized by applying ultrasonic vibration energy to running water for cleaning. 2. The ultrasonic cleaning apparatus according to claim 1, wherein cleaning water is injected into a node of the ultrasonic vibration applied to the horn. 3. The frequency of the ultrasonic wave applied to the washing water is
The ultrasonic cleaning apparatus according to claim 1 or 2, wherein the frequency is 20 kHz to 60 kHz.