JPH0170163U - - Google Patents
Info
- Publication number
- JPH0170163U JPH0170163U JP1987165581U JP16558187U JPH0170163U JP H0170163 U JPH0170163 U JP H0170163U JP 1987165581 U JP1987165581 U JP 1987165581U JP 16558187 U JP16558187 U JP 16558187U JP H0170163 U JPH0170163 U JP H0170163U
- Authority
- JP
- Japan
- Prior art keywords
- mass
- acceleration sensor
- external force
- electrical signal
- support member
- 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 7
- 238000001514 detection method Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 1
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Description
第１図はこの考案の第１実施例のブロツク図、
第２図はこの考案の第２実施例のブロツク図であ
る。
図中、２は加速度センサ、３は増幅器、４は故
障検出装置、８は支持バネ、１０は質量、１２は
歪ゲージ、１４はバツテリ、１６はオン・オフス
イツチ、１８，４０は検査用外力付与手段、２０
は比較手段、２２はＡＮＤ回路、２４は電磁石、
２６は変位量制限部材、４２は電磁ソレノイド、
４２Ａａはプツシユロツドである。
FIG. 1 is a block diagram of the first embodiment of this invention.
FIG. 2 is a block diagram of a second embodiment of this invention. In the figure, 2 is an acceleration sensor, 3 is an amplifier, 4 is a failure detection device, 8 is a support spring, 10 is a mass, 12 is a strain gauge, 14 is a battery, 16 is an on/off switch, and 18 and 40 are external force application for inspection. means, 20
is a comparison means, 22 is an AND circuit, 24 is an electromagnet,
26 is a displacement limiting member, 42 is an electromagnetic solenoid,
42Aa is a push rod.
Claims (1)
変位によつて変形する質量支持部材と、この質量
支持部材の変形量に対応した電気信号を出力する
検出手段とを備えた加速度センサにおいて、 前記質量又は前記質量支持部材を設定範囲まで
変位又は変形させることが可能な検査用外力付与
手段と、この検査用外力付与手段が作動されたと
きに前記検出手段から出力される電気信号値と前
記加速度センサの正常時に対応して予め設定され
た基準値とを比較する比較手段と、この比較手段
による比較結果に基づき前記加速度センサが故障
か否かを判定する判定手段とを有することを特徴
とした加速度センサの故障検出装置。[Claims for Utility Model Registration] A mass that displaces in response to acceleration, a mass support member that deforms due to the displacement of this mass, and a detection means that outputs an electrical signal corresponding to the amount of deformation of this mass support member. An acceleration sensor comprising: an external force applying means for testing capable of displacing or deforming the mass or the mass supporting member to a set range; and an output from the detecting means when the external force applying means for testing is activated. a comparison means for comparing the electrical signal value of the acceleration sensor with a reference value set in advance corresponding to a normal state of the acceleration sensor, and a determination means for determining whether or not the acceleration sensor is malfunctioning based on the comparison result by the comparison means. A failure detection device for an acceleration sensor, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987165581U JPH0170163U (en) | 1987-10-29 | 1987-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987165581U JPH0170163U (en) | 1987-10-29 | 1987-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0170163U true JPH0170163U (en) | 1989-05-10 |
Family
ID=31452197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987165581U Pending JPH0170163U (en) | 1987-10-29 | 1987-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0170163U (en) |
-
1987
- 1987-10-29 JP JP1987165581U patent/JPH0170163U/ja active Pending
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