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JPH02150567U - - Google Patents

Info

Publication number
JPH02150567U
JPH02150567U JP6071189U JP6071189U JPH02150567U JP H02150567 U JPH02150567 U JP H02150567U JP 6071189 U JP6071189 U JP 6071189U JP 6071189 U JP6071189 U JP 6071189U JP H02150567 U JPH02150567 U JP H02150567U
Authority
JP
Japan
Prior art keywords
piezoelectric element
charge amplifier
weight
acceleration
capacitor
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
JP6071189U
Other languages
Japanese (ja)
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 JP6071189U priority Critical patent/JPH02150567U/ja
Priority to KR2019900006806U priority patent/KR930001165Y1/en
Priority to US07/526,913 priority patent/US5088326A/en
Priority to GB9011387A priority patent/GB2231965B/en
Priority to DE4042600A priority patent/DE4042600C3/en
Priority to DE4016690A priority patent/DE4016690C2/en
Publication of JPH02150567U publication Critical patent/JPH02150567U/ja
Priority to GB9315487A priority patent/GB2267574B/en
Pending legal-status Critical Current

Links

Landscapes

  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Amplifiers (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図はこの考案の一実施例による加速度セン
サの基本構成説明図、第2図は、同上実施例にお
けるチヤージアンプの内部構成を示す回路図、第
3図aないし第3図cは同上実施例の温度補償を
説明するための温度特性図である。 1……導電性ケース、2……おもり、4……圧
電素子、6……チヤージアンプ、9……絶縁板、
20……演算増幅器、31……給電線、C……
コンデンサ。
FIG. 1 is an explanatory diagram of the basic configuration of an acceleration sensor according to an embodiment of the invention, FIG. 2 is a circuit diagram showing the internal configuration of a charge amplifier in the embodiment, and FIGS. 3a to 3c are embodiments of the invention. FIG. 3 is a temperature characteristic diagram for explaining temperature compensation of FIG. 1... Conductive case, 2... Weight, 4... Piezoelectric element, 6... Charge amplifier, 9... Insulating plate,
20... operational amplifier, 31... feeder line, C 1 ...
capacitor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 加速度に応じておもりの荷重により電圧を発生
する圧電素子と、この圧電素子の発生する信号を
増幅するチヤージアンプと、このチヤージアンプ
へ単一極性の電源を供給する給電線と、上記チヤ
ージアンプへのアース回路に接続された導電性ケ
ースと、この導電性ケースに上記おもりおよび圧
電素子を非導通状態に固定する絶縁板とを備えた
加速度センサにおいて、上記圧電素子に並列に接
続された前記チヤージアンプに一構成部品をなす
正の温度特性をもつコンデンサを使用することを
特徴とする加速度センサ。
A piezoelectric element that generates voltage by the load of a weight in response to acceleration, a charge amplifier that amplifies the signal generated by this piezoelectric element, a feeder line that supplies unipolar power to this charge amplifier, and a ground circuit to the charge amplifier. and an insulating plate that fixes the weight and the piezoelectric element in a non-conductive state to the conductive case, wherein the charge amplifier connected in parallel to the piezoelectric element has one configuration. An acceleration sensor characterized by using a capacitor with positive temperature characteristics as a component.
JP6071189U 1989-05-24 1989-05-24 Pending JPH02150567U (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP6071189U JPH02150567U (en) 1989-05-24 1989-05-24
KR2019900006806U KR930001165Y1 (en) 1989-05-24 1990-05-21 Accelerometer
US07/526,913 US5088326A (en) 1989-05-24 1990-05-22 Piezoelectric accelerometer for automobiles
GB9011387A GB2231965B (en) 1989-05-24 1990-05-22 Piezoelectric accelerometer for automobiles
DE4042600A DE4042600C3 (en) 1989-05-24 1990-05-23 Piezoelectric accelerometer
DE4016690A DE4016690C2 (en) 1989-05-24 1990-05-23 Piezoelectric accelerometer
GB9315487A GB2267574B (en) 1989-05-24 1993-07-26 Piezoelectric accelerometer for automobiles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6071189U JPH02150567U (en) 1989-05-24 1989-05-24

Publications (1)

Publication Number Publication Date
JPH02150567U true JPH02150567U (en) 1990-12-26

Family

ID=31588315

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6071189U Pending JPH02150567U (en) 1989-05-24 1989-05-24

Country Status (1)

Country Link
JP (1) JPH02150567U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0593736A (en) * 1991-10-02 1993-04-16 Murata Mfg Co Ltd Piezo-electric type acceleration sensor
WO2000045181A1 (en) * 1999-01-26 2000-08-03 Bosch Electronics Corporation Acceleration sensor and acceleration detection system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0593736A (en) * 1991-10-02 1993-04-16 Murata Mfg Co Ltd Piezo-electric type acceleration sensor
WO2000045181A1 (en) * 1999-01-26 2000-08-03 Bosch Electronics Corporation Acceleration sensor and acceleration detection system
US6513383B1 (en) 1999-01-26 2003-02-04 Bosch Electronics Corporation Acceleration sensor and acceleration detection system

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