JPS63133393U - - Google Patents
Info
- Publication number
- JPS63133393U JPS63133393U JP2540387U JP2540387U JPS63133393U JP S63133393 U JPS63133393 U JP S63133393U JP 2540387 U JP2540387 U JP 2540387U JP 2540387 U JP2540387 U JP 2540387U JP S63133393 U JPS63133393 U JP S63133393U
- Authority
- JP
- Japan
- Prior art keywords
- current
- output stage
- transistor
- output
- load
- 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.)
- Granted
Links
- 238000004506 ultrasonic cleaning Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Cleaning By Liquid Or Steam (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Description
第１図は本考案の第１の実施例の回路構成図、
第２図は本考案の第２の実施例の回路構成図、第
３図は本考案の出力段トランジスタの出力―負荷
抵抗特性図、第４図は従来装置例の回路構成図、
第５図は従来例の出力増幅部の出力―負荷抵抗特
性図、第６図は負荷のアドミタンスの周波数特性
図である。
１……電流帰還用トランス、２，２′，２″，
２……出力段トランジスタ、３，３′……エミ
ツタ抵抗、４……出力トランス、５……整合用イ
ンダクタンス、６……電歪振動子、７，７′……
電流制御用トランジスタ、８，８′……バイアス
抵抗、９，９′……逆流防止用ダイオード、１０
……ピツクアツプトランス、１１……コンデンサ
、１２……振動子のアドミタンス特性曲線、１３
……整合用インダクタンスのアドミタンス特性、
１４……出力トランス２次側のアドミタンス特性
、１５……電源端子。
FIG. 1 is a circuit diagram of the first embodiment of the present invention;
FIG. 2 is a circuit configuration diagram of a second embodiment of the present invention, FIG. 3 is an output-load resistance characteristic diagram of the output stage transistor of the present invention, and FIG. 4 is a circuit configuration diagram of an example of a conventional device.
FIG. 5 is an output-load resistance characteristic diagram of a conventional output amplifying section, and FIG. 6 is a frequency characteristic diagram of load admittance. 1... Current feedback transformer, 2, 2', 2'',
2... Output stage transistor, 3, 3'... Emitter resistor, 4... Output transformer, 5... Matching inductance, 6... Electrostrictive vibrator, 7, 7'...
Current control transistor, 8, 8'...Bias resistor, 9, 9'...Reverse current prevention diode, 10
... Pickup transformer, 11 ... Capacitor, 12 ... Admittance characteristic curve of resonator, 13
...Admittance characteristics of matching inductance,
14... Admittance characteristics of the secondary side of the output transformer, 15... Power supply terminal.
Claims (1)
整合用インダクタンスおよび電歪振動子と；負荷
電流を前記出力段トランジスタのベースへ帰還す
る電流帰還回路と；前記出力段トランジスタの出
力電流を検出する手段と；該手段の検出値が所定
値を越えると前記出力段トランジスタのベース電
流を減少させる電流制御用トランジスタと；を有
する電流帰還型自励発振器を具備することを特徴
とする超音波洗浄機。 a transistor as an output stage; a matching inductance and an electrostrictive vibrator as a load; a current feedback circuit that feeds back a load current to the base of the output stage transistor; means for detecting the output current of the output stage transistor; An ultrasonic cleaning machine comprising: a current feedback self-excited oscillator; and a current control transistor that reduces the base current of the output stage transistor when the detected value of the means exceeds a predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987025403U JPH0446870Y2 (en) | 1987-02-23 | 1987-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987025403U JPH0446870Y2 (en) | 1987-02-23 | 1987-02-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63133393U true JPS63133393U (en) | 1988-08-31 |
| JPH0446870Y2 JPH0446870Y2 (en) | 1992-11-05 |
Family
ID=30825526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987025403U Expired JPH0446870Y2 (en) | 1987-02-23 | 1987-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0446870Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5453427U (en) * | 1977-09-22 | 1979-04-13 | ||
| JPS5650110U (en) * | 1979-09-25 | 1981-05-02 | ||
| JPS5910617A (en) * | 1982-07-12 | 1984-01-20 | Maeda Seikan Kk | Driver for oil-pressure hammer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2217560B1 (en) * | 1973-02-12 | 1976-04-30 | Sibe |
-
1987
- 1987-02-23 JP JP1987025403U patent/JPH0446870Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5453427U (en) * | 1977-09-22 | 1979-04-13 | ||
| JPS5650110U (en) * | 1979-09-25 | 1981-05-02 | ||
| JPS5910617A (en) * | 1982-07-12 | 1984-01-20 | Maeda Seikan Kk | Driver for oil-pressure hammer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0446870Y2 (en) | 1992-11-05 |