JPH0193379U - - Google Patents

Info

Publication number
JPH0193379U
JPH0193379U JP18981687U JP18981687U JPH0193379U JP H0193379 U JPH0193379 U JP H0193379U JP 18981687 U JP18981687 U JP 18981687U JP 18981687 U JP18981687 U JP 18981687U JP H0193379 U JPH0193379 U JP H0193379U
Authority
JP
Japan
Prior art keywords
circuit
output
inputs
piezoelectric vibrator
effective value
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
Application number
JP18981687U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP18981687U priority Critical patent/JPH0193379U/ja
Publication of JPH0193379U publication Critical patent/JPH0193379U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Reciprocating Pumps (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Description

【図面の簡単な説明】
第1図は本考案ポンプの一実施例の構成を示す
ブロツク図、第2図は本考案ポンプの吸入レベル
に対する吐出量の関係を示した図である。 1……圧電振動子ポンプ、2……圧電振動子、
3……振動センサ、4……実効値演算回路、5…
…PID回路、6……設定回路、7……制御電圧
発生回路、8……交流化回路、17……可撓性絶
縁材。

Claims (1)

    【実用新案登録請求の範囲】
  1. 圧電振動子ポンプの圧電振動子の面に並設した
    振動センサと、この振動センサの出力を入力し交
    流信号の実効値を演算する実効値演算回路と、こ
    の実効値演算回路の出力を入力して振動量信号を
    演算処理して振動状態信号を出力するPID回路
    と、このPID回路の出力と設定回路の出力を入
    力し制御電圧を出力する制御電圧発生回路と、こ
    の制御電圧発生回路の出力を交流に変換し上記圧
    電振動子に交流電圧を供給する交流化回路とより
    なる定吐出量ポンプ。
JP18981687U 1987-12-14 1987-12-14 Pending JPH0193379U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18981687U JPH0193379U (ja) 1987-12-14 1987-12-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18981687U JPH0193379U (ja) 1987-12-14 1987-12-14

Publications (1)

Publication Number Publication Date
JPH0193379U true JPH0193379U (ja) 1989-06-20

Family

ID=31480827

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18981687U Pending JPH0193379U (ja) 1987-12-14 1987-12-14

Country Status (1)

Country Link
JP (1) JPH0193379U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005080793A1 (ja) * 2004-02-23 2005-09-01 Nec Corporation 圧電ポンプ用駆動回路およびこれを用いた冷却システム

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55141639A (en) * 1979-04-20 1980-11-05 Nissan Motor Co Ltd Vibration sensor
JPS61160588A (ja) * 1985-01-07 1986-07-21 Matsushita Electric Ind Co Ltd 給油装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55141639A (en) * 1979-04-20 1980-11-05 Nissan Motor Co Ltd Vibration sensor
JPS61160588A (ja) * 1985-01-07 1986-07-21 Matsushita Electric Ind Co Ltd 給油装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005080793A1 (ja) * 2004-02-23 2005-09-01 Nec Corporation 圧電ポンプ用駆動回路およびこれを用いた冷却システム
US7564164B2 (en) 2004-02-23 2009-07-21 Nec Corporation Drive circuit for piezoelectric pump and cooling system that uses this drive circuit
CN102230457A (zh) * 2004-02-23 2011-11-02 日本电气株式会社 压电泵驱动电路和使用该驱动电路的冷却系统

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