JPH02137975U - - Google Patents
Info
- Publication number
- JPH02137975U JPH02137975U JP4531789U JP4531789U JPH02137975U JP H02137975 U JPH02137975 U JP H02137975U JP 4531789 U JP4531789 U JP 4531789U JP 4531789 U JP4531789 U JP 4531789U JP H02137975 U JPH02137975 U JP H02137975U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- attached
- piezoelectric vibrator
- piezoelectric
- vibrator
- 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
- 239000000919 ceramic Substances 0.000 claims 2
- 238000001816 cooling Methods 0.000 claims 1
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 1
Description
第1図は本考案の一実施例の構成図、第2図a
,bは本実施例の振動部の側面図、および正面図
、第3図は本実施例の圧電振動子制御部の回路図
である。
1……PZT(駆動用)、2……PZT(セン
シング用)、3,4……振動板、5……ねじ、6
……スプリアス抑圧用アクテイブフイルタ、7…
…昇圧回路。
Figure 1 is a configuration diagram of an embodiment of the present invention, Figure 2a
, b are a side view and a front view of the vibrating section of this embodiment, and FIG. 3 is a circuit diagram of the piezoelectric vibrator control section of this embodiment. 1... PZT (for driving), 2... PZT (for sensing), 3, 4... Vibration plate, 5... Screw, 6
...Active filter for spurious suppression, 7...
...boost circuit.
Claims (1)
る振動板と、前記振動板の一面の定められた位置
に取り付けられた前記振動板を駆動する圧電セラ
ミツクを素材とする駆動用圧電振動子と、前記振
動板に取り付けられた前記振動板用圧電振動子の
取り付け面と反対の面の定められた位置に取り付
けられ、前記振動板の振動振幅を検出する圧電セ
ラミツクを素材とするセンシング用圧電振動子と
、前記センシング用圧電振動子から出力される電
圧を入力して、スプリアス発振を誘起する不要電
圧を抑圧するアクテイブフイルタと、前記アクテ
イブフイルタの出力電圧を昇圧して前記駆動用圧
電振動子へ帰還し、駆動させる昇圧回路とを有す
ることを特徴とする電源冷却装置。 A diaphragm whose one end is directed to an external fixed part and whose other end can vibrate, and a driving piezoelectric vibrator made of piezoelectric ceramic that drives the diaphragm and is attached to a predetermined position on one side of the diaphragm. and a sensing piezoelectric device made of piezoelectric ceramic, which is attached to a predetermined position on a surface opposite to the mounting surface of the piezoelectric vibrator for the diaphragm attached to the diaphragm, and which detects the vibration amplitude of the diaphragm. a vibrator, an active filter that receives the voltage output from the sensing piezoelectric vibrator and suppresses unnecessary voltage that induces spurious oscillation, and boosts the output voltage of the active filter to generate the drive piezoelectric vibrator. A power supply cooling device characterized by having a booster circuit that returns to and drives the power source.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4531789U JPH02137975U (en) | 1989-04-17 | 1989-04-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4531789U JPH02137975U (en) | 1989-04-17 | 1989-04-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02137975U true JPH02137975U (en) | 1990-11-16 |
Family
ID=31559382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4531789U Pending JPH02137975U (en) | 1989-04-17 | 1989-04-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02137975U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016025778A (en) * | 2014-07-22 | 2016-02-08 | オムロン株式会社 | Power generator |
WO2019059100A1 (en) * | 2017-09-25 | 2019-03-28 | Tdk株式会社 | Vibration unit |
-
1989
- 1989-04-17 JP JP4531789U patent/JPH02137975U/ja active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016025778A (en) * | 2014-07-22 | 2016-02-08 | オムロン株式会社 | Power generator |
WO2019059100A1 (en) * | 2017-09-25 | 2019-03-28 | Tdk株式会社 | Vibration unit |
JP2019058848A (en) * | 2017-09-25 | 2019-04-18 | Tdk株式会社 | Vibration unit |
CN111032238A (en) * | 2017-09-25 | 2020-04-17 | Tdk株式会社 | Vibration assembly |
CN111032238B (en) * | 2017-09-25 | 2021-12-03 | Tdk株式会社 | Vibration assembly |
US11648585B2 (en) | 2017-09-25 | 2023-05-16 | Tdk Corporation | Vibration unit |
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