JPH034268U - - Google Patents
Info
- Publication number
- JPH034268U JPH034268U JP6513789U JP6513789U JPH034268U JP H034268 U JPH034268 U JP H034268U JP 6513789 U JP6513789 U JP 6513789U JP 6513789 U JP6513789 U JP 6513789U JP H034268 U JPH034268 U JP H034268U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- case
- charge amplifier
- cover
- weight
- 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
- 230000001133 acceleration Effects 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図はこの考案の一実施例による加速度セン
サの構成図、第２図は従来の加速度センサの構成
図である。
２……おもり、４……圧電素子、６……チヤー
ジアンプ、９……絶縁板、１０ａ，１０ｂ……貫
通コンデンサ、２１……カバー、２２……導電性
ケース、２２ａ……ベース部、２３……固定用ね
じ、２８……パツキン、３１……給電線。なお、
図中同一符号は同一又は相当部分を示す。
FIG. 1 is a block diagram of an acceleration sensor according to an embodiment of this invention, and FIG. 2 is a block diagram of a conventional acceleration sensor. 2... Weight, 4... Piezoelectric element, 6... Charge amplifier, 9... Insulating plate, 10a, 10b... Feedthrough capacitor, 21... Cover, 22... Conductive case, 22a... Base part, 23... ...fixing screw, 28...packet, 31...power supply line. In addition,
The same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
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、上記給電線お
よび加速度計出力信号線に挿入された貫通コンデ
ンサと、このコンデンサを収容した導電性のカバ
ーと、カバーを上記ケースのベース部に電気的に
導通させて接合する接合手段と、上記カバーとケ
ースのベース部とを気密に密閉する補充部材とか
ら構成したことを特徴とする加速度センサ。 A piezoelectric element that generates a voltage due to the load of a weight in response to acceleration, a charge amplifier that amplifies the signal generated by this piezoelectric element, a power supply line that supplies unipolar power to this charge amplifier, and a ground circuit to the charge amplifier. an insulating plate that fixes the weight and the piezoelectric element in a non-conductive state to the case, a feedthrough capacitor inserted in the feeder line and the accelerometer output signal line, and a feedthrough capacitor that houses the capacitor. The present invention is characterized by comprising a conductive cover, a joining means for electrically connecting the cover to the base of the case, and a supplementary member for airtightly sealing the cover and the base of the case. Acceleration sensor.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6513789U JPH034268U (en) | 1989-06-02 | 1989-06-02 | |
| 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 |
|---|---|---|---|
| JP6513789U JPH034268U (en) | 1989-06-02 | 1989-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH034268U true JPH034268U (en) | 1991-01-17 |
Family
ID=31596700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6513789U Pending JPH034268U (en) | 1989-05-24 | 1989-06-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH034268U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0162495U (en) * | 1987-10-15 | 1989-04-21 |
-
1989
- 1989-06-02 JP JP6513789U patent/JPH034268U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0162495U (en) * | 1987-10-15 | 1989-04-21 |
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