JPS61115173U - - Google Patents
Info
- Publication number
- JPS61115173U JPS61115173U JP19515085U JP19515085U JPS61115173U JP S61115173 U JPS61115173 U JP S61115173U JP 19515085 U JP19515085 U JP 19515085U JP 19515085 U JP19515085 U JP 19515085U JP S61115173 U JPS61115173 U JP S61115173U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- vibrator
- output
- oscillator
- circuit
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims description 2
- 230000010363 phase shift Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本案のブロツク線図、第２図は本案に
おけるＰＬＬの使用態様図、第３図は振動系の回
路図である。
Ａ……出力計付超音波発振器、Ｒ……低抵抗、
Ｘ……振動子、Ｓ１……検出帰還信号、Ｓ２……
励振信号、Ｓ３……電流値比例信号、Ｓ４……電
圧値比例信号、Ｔ１……出力トランス、ｆ……共
振周波数、１……発振器、２……出力計、４……
移相回路、５……ＰＬＬ、６……増幅回路、７…
…振動系、１２……アナログ乗算回路、１３……
整流回路、１４……直流用メーター。
FIG. 1 is a block diagram of the present invention, FIG. 2 is a diagram of how the PLL is used in the present invention, and FIG. 3 is a circuit diagram of the vibration system. A...Ultrasonic oscillator with output meter, R...Low resistance,
X... vibrator, S1... detection feedback signal, S2...
Excitation signal, S3... Current value proportional signal, S4... Voltage value proportional signal, T1... Output transformer, f... Resonance frequency, 1... Oscillator, 2... Output meter, 4...
Phase shift circuit, 5...PLL, 6...amplifier circuit, 7...
...Vibration system, 12...Analog multiplication circuit, 13...
Rectifier circuit, 14...DC meter.
Claims (1)
号を移相回路を介してＰＬＬに単独入力し、当該
ＰＬＬの出力信号を前記検出帰還信号に追従変化
させるとともにロツクさせ、さらに前記のように
ＰＬＬから得られた出力信号を増幅回路で所定値
まで増幅させて振動系の振動子に励振信号として
供給するよう信号系統を構成し、前記振動子の前
記共振周波数変動に追従変化して超音波振動の安
定化を計つた発振器と、前記振動系での振動子に
消費される電力を直読できる通過型直視電力計を
形成した出力形から構成する出力計付超音波発振
器。 ２ 振動系は、振動子の共振ブリツジ回路に検出
帰還信号の出力素子として低抵抗を振動子に直列
に介入してなる実用新案登録請求の範囲第１項記
載の出力計付超音波発振器。 ３ 振動系は、振動子と低抵抗を直列接続してそ
の接続点をアースしたものを、出力トランスの二
次側両端に接続してなる実用新案登録請求の範囲
第１項又は第２項記載の出力計付超音波発振器。 ４ 出力計は、振動子の共振ブリツジ回路から得
られる電流値比例信号と電圧値比例信号を入力し
て、その両信号の積に比例するアナログ信号を出
力するアナログ乗算回路と、当該アナログ信号を
整流して直流信号とする整流回路および直流用メ
ーターを順次直列接続してなる実用新案登録請求
の範囲第１項、第２項又は第３項記載の出力計付
超音波発振器。[Claims for Utility Model Registration] 1. A detection feedback signal containing the resonant frequency of the vibrator as a component is input to the PLL independently through a phase shift circuit, and the output signal of the PLL is changed to follow the detection feedback signal and is locked. Further, as described above, a signal system is configured to amplify the output signal obtained from the PLL to a predetermined value in an amplifier circuit and supply it as an excitation signal to the vibrator of the vibration system, and the fluctuation of the resonance frequency of the vibrator is controlled. An ultrasonic wave generator with an output meter, which consists of an oscillator that stabilizes ultrasonic vibration by changing according to oscillator. 2. The ultrasonic oscillator with an output meter according to claim 1, wherein the vibration system includes a low resistance inserted in series with the vibrator as an output element for a detection feedback signal in a resonant bridge circuit of the vibrator. 3. The vibration system includes a vibrator and a low resistance connected in series, the connection point of which is grounded, and connected to both ends of the secondary side of the output transformer as described in claim 1 or 2 of the utility model registration claim. Ultrasonic oscillator with output meter. 4. The output meter includes an analog multiplier circuit that inputs the current proportional signal and voltage proportional signal obtained from the resonant bridge circuit of the vibrator, and outputs an analog signal proportional to the product of both signals; An ultrasonic oscillator with an output meter according to claim 1, 2, or 3 of the utility model registration claim, which comprises a rectifier circuit for rectifying a DC signal and a DC meter connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19515085U JPS61115173U (en) | 1985-12-20 | 1985-12-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19515085U JPS61115173U (en) | 1985-12-20 | 1985-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61115173U true JPS61115173U (en) | 1986-07-21 |
Family
ID=30752651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19515085U Pending JPS61115173U (en) | 1985-12-20 | 1985-12-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61115173U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4879613A (en) * | 1972-01-03 | 1973-10-25 | Philips Nv | |
| JPS53127709A (en) * | 1977-04-13 | 1978-11-08 | Morita Mfg | Driving system for transducer with resonance circuit |
-
1985
- 1985-12-20 JP JP19515085U patent/JPS61115173U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4879613A (en) * | 1972-01-03 | 1973-10-25 | Philips Nv | |
| JPS53127709A (en) * | 1977-04-13 | 1978-11-08 | Morita Mfg | Driving system for transducer with resonance circuit |
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