JP2529266B2 - Ultrasonic atomizer - Google Patents
Ultrasonic atomizerInfo
- Publication number
- JP2529266B2 JP2529266B2 JP62151904A JP15190487A JP2529266B2 JP 2529266 B2 JP2529266 B2 JP 2529266B2 JP 62151904 A JP62151904 A JP 62151904A JP 15190487 A JP15190487 A JP 15190487A JP 2529266 B2 JP2529266 B2 JP 2529266B2
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- liquid
- circuit
- oscillator
- impedance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
- B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
Landscapes
- Special Spraying Apparatus (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、超音波振動子を高周波で駆動させ、その超
音波エネルギーで液体を霧化させる超音波式霧化器に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ultrasonic atomizer which drives an ultrasonic transducer at high frequency to atomize a liquid with the ultrasonic energy.
従来の技術 従来、この種の超音波式霧化器は第４図に示すような
構成であった。第４図において、１は電源トランスを含
む商用電源、２は商用電源１の交流電圧を整流するダイ
オードとコンデンサからなる整流回路、３は整流回路２
の出力を電源とする発振回路、４は発振回路３で駆動さ
れる超音波振動子、５は発振回路３の発振用トランジス
タ、７は霧化する液体が規定量以下の場合に発振回路３
の動作を停止させるためのフロートスイッチである。2. Description of the Related Art Conventionally, this type of ultrasonic atomizer has a structure as shown in FIG. In FIG. 4, reference numeral 1 is a commercial power source including a power transformer, 2 is a rectifier circuit composed of a diode and a capacitor for rectifying an AC voltage of the commercial power source 1, and 3 is a rectifier circuit 2.
Of the ultrasonic circuit driven by the oscillating circuit 3, 5 is an oscillating transistor of the oscillating circuit 3, and 7 is the oscillating circuit 3 when the atomized liquid is less than a specified amount.
Is a float switch for stopping the operation of.
発明が解決しようとする問題点 このような従来の構造では、フロートスイッチ７の動
作不良等で霧化する液体がなくなり超音波振動子４が空
炊き状態になった場合、超音波振動子４に流れる電流が
増大し、瞬時に超音波振動子４が破壊するという欠点が
あった。Problems to be Solved by the Invention With such a conventional structure, when there is no liquid to be atomized due to malfunction of the float switch 7 and the ultrasonic vibrator 4 is in an empty state, There is a drawback that the flowing current increases and the ultrasonic transducer 4 is instantly destroyed.
本発明はこのような問題点を解決するもので、空炊き
時に超音波振動子に流れる電流が大きくならないような
構造とし、空炊き時の超音波振動子の瞬時の破壊を防止
することを目的とするものである。The present invention solves such a problem, and an object thereof is to prevent instantaneous breakage of the ultrasonic vibrator during the empty cooking by providing a structure in which the current flowing through the ultrasonic vibrator does not increase during the empty cooking. It is what
問題点を解決するための手段 この問題点を解決するために本発明は、超音波振動子
の電源供給路に直列に抵抗を接続し、この抵抗の抵抗値
は、通常の液体霧化時の超音波振動子の液中でのインピ
ーダンスに対しては十分小さく、空炊き時の超音波振動
子の空中でのインピーダンスに対しては十分大きな値と
したものである。Means for Solving the Problems In order to solve this problem, the present invention connects a resistor in series to a power supply path of an ultrasonic transducer, and the resistance value of this resistor is a value when a normal liquid is atomized. The impedance of the ultrasonic transducer in the liquid is sufficiently small, and the impedance of the ultrasonic transducer in the air when cooked is sufficiently large.
作用 この構成により超音波振動子の電源供給路に直列に接
続された抵抗の抵抗値は、通常液体霧化時には超音波振
動子の液中のインピーダンスに対し十分小さいため超音
波振動子の電流は制限されず、霧化量に影響せず、また
空炊き時には前記抵抗の抵抗値は超音波振動子の空中イ
ンピーダンスに対し十分大きいため、超音波振動子の電
流はこの抵抗により制限され超音波振動子の瞬時の破壊
を防止することとなる。Action With this configuration, the resistance value of the resistor connected in series to the power supply path of the ultrasonic transducer is sufficiently smaller than the impedance in the liquid of the ultrasonic transducer when the liquid is atomized. It is not limited, does not affect the amount of atomization, and because the resistance value of the resistance is sufficiently larger than the aerial impedance of the ultrasonic vibrator when cooking in air, the current of the ultrasonic vibrator is limited by this resistance and the ultrasonic vibration This will prevent the child from breaking down instantly.
実施例 第１図は、本発明の一実施例による超音波式霧化器の
回路図であり、第１図において、11は電源トランスを含
む商用電源、12はこの商用電源11の交流電圧を整流する
ダイオード、コンデンサからなる整流回路、13は整流回
路12の出力によって発振する発振回路、14は発振回路13
により振動される超音波振動子、15は発振回路13の発振
トランジスタである。16は空炊き時に超音波振動子14に
流れる電流を制限する抵抗で、その電源供給路に直列に
接続されている。17はフロートスイッチである。First Embodiment FIG. 1 is a circuit diagram of an ultrasonic atomizer according to an embodiment of the present invention. In FIG. 1, 11 is a commercial power source including a power transformer, and 12 is an AC voltage of the commercial power source 11. A rectifying circuit composed of a diode and a capacitor for rectifying, 13 is an oscillating circuit that oscillates by the output of the rectifying circuit 12, and 14 is an oscillating circuit
Is an ultrasonic oscillator vibrated by, and 15 is an oscillation transistor of the oscillation circuit 13. Reference numeral 16 is a resistor that limits the current flowing through the ultrasonic oscillator 14 when cooking in the air, and is connected in series to the power supply path. 17 is a float switch.
第１図において、抵抗16の抵抗値は通常の液体霧化時
の超音波振動子14の液中でのインピーダンスに対し十分
小さく、また、空炊き時の超音波振動子14の空中でのイ
ンピーダンスに対し十分大きい値の0.5〜5.0Ωに設定さ
れている。In FIG. 1, the resistance value of the resistor 16 is sufficiently smaller than the impedance of the ultrasonic transducer 14 in liquid when the liquid is atomized normally, and the impedance of the ultrasonic transducer 14 in air when cooking is empty. Is set to a sufficiently large value of 0.5 to 5.0Ω.
このように構成することにより抵抗16の抵抗値と霧化
量の関係は第２図に示す通りであり、第３図は抵抗16の
抵抗値と耐空炊き時間との関係を示す。With such a configuration, the relationship between the resistance value of the resistor 16 and the atomization amount is as shown in FIG. 2, and FIG. 3 shows the relationship between the resistance value of the resistor 16 and the resistance to dry cooking.
発明の効果 以上のように本発明によれば、超音波振動子の電源供
給路に直列に接続された抵抗により、空炊き時に超音波
振動子に流れる電流を制限し、空炊き時の超音波振動子
の瞬時の破壊を防止できるという効果が得られる。EFFECTS OF THE INVENTION As described above, according to the present invention, the resistance that is connected in series to the power supply path of the ultrasonic vibrator limits the current flowing through the ultrasonic vibrator during the empty cooking, and the ultrasonic wave when the empty cooking is performed. The effect that the instantaneous breakage of the vibrator can be prevented is obtained.
第１図は本発明の一実施例による超音波式霧化器の回路
図、第２図は本発明の抵抗値と霧化量の関係を示す特性
図、第３図は本発明の抵抗値と耐空炊き時間の関係を示
す特性図、第４図は従来の超音波式霧化器の回路図であ
る。 11……商用電源、12……整流回路、13……発振回路、14
……超音波振動子、16……抵抗、17……フロートスイッ
チ。FIG. 1 is a circuit diagram of an ultrasonic atomizer according to an embodiment of the present invention, FIG. 2 is a characteristic diagram showing the relationship between the resistance value and the atomization amount of the present invention, and FIG. 3 is the resistance value of the present invention. And FIG. 4 is a characteristic diagram showing the relationship between the air-resistant cooking time and FIG. 4 is a circuit diagram of a conventional ultrasonic atomizer. 11 …… Commercial power supply, 12 …… Rectifier circuit, 13 …… Oscillation circuit, 14
...... Ultrasonic transducer, 16 …… Resistance, 17 …… Float switch.
Claims (1)
回路の出力電圧を電源とする発振回路と、前記発振回路
で駆動され液体を霧化するための超音波振動子と、この
超音波振動子の空炊き時に振動子電流を制限するために
超音波振動子の電源供給器に直列に接続された抵抗とを
備え、前記抵抗の抵抗値は、液体霧化時の超音波振動子
の液中でのインピーダンスに対して十分小さく、空炊き
時の超音波振動子の空中でのインピーダンスに対して十
分大きな値とした超音波式霧化器。1. A rectifying circuit for rectifying an AC voltage, an oscillating circuit using an output voltage of the rectifying circuit as a power source, an ultrasonic transducer driven by the oscillating circuit for atomizing a liquid, and the ultrasonic wave. A resistor connected in series to the power supply of the ultrasonic oscillator to limit the oscillator current when the oscillator is cooked, and the resistance value of the resistor is the value of the ultrasonic oscillator during atomization of the liquid. An ultrasonic atomizer with a value that is sufficiently small compared to the impedance in the liquid and sufficiently large compared to the impedance in the air when the ultrasonic transducer is cooked in the air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62151904A JP2529266B2 (en) | 1987-06-18 | 1987-06-18 | Ultrasonic atomizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62151904A JP2529266B2 (en) | 1987-06-18 | 1987-06-18 | Ultrasonic atomizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63315165A JPS63315165A (en) | 1988-12-22 |
| JP2529266B2 true JP2529266B2 (en) | 1996-08-28 |
Family
ID=15528733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62151904A Expired - Lifetime JP2529266B2 (en) | 1987-06-18 | 1987-06-18 | Ultrasonic atomizer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2529266B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2879256A1 (en) * | 2004-12-14 | 2006-06-16 | Renault Sas | Ultrasonic piezoelectric actuator e.g. ultrasonic piezoelectric injector, control device for motor vehicle internal combustion engine, has up-converter with rectangular alternating high voltage signal limited in current by power resistor |
-
1987
- 1987-06-18 JP JP62151904A patent/JP2529266B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63315165A (en) | 1988-12-22 |
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