JPH02148471U - - Google Patents
Info
- Publication number
- JPH02148471U JPH02148471U JP5746789U JP5746789U JPH02148471U JP H02148471 U JPH02148471 U JP H02148471U JP 5746789 U JP5746789 U JP 5746789U JP 5746789 U JP5746789 U JP 5746789U JP H02148471 U JPH02148471 U JP H02148471U
- Authority
- JP
- Japan
- Prior art keywords
- case
- magnetic
- magnetic member
- weight
- housing chamber
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
第１図は本考案の一実施例を示す縦断面図、第
２図は第１図の−線に沿つて見た断面図、第
３図は永久磁石の着磁方向を説明するための図、
第４図は従来例の縦断面図である。
１，５０……加速度センサー、１０，５４……
ケース、１１……円筒部、１２，１３……フラン
ジ、１４……磁性重り、１５，１６，５２，５３
……コイルばね、１８，１９，２０，２１，２６
，２７，２８，２９，５５……永久磁石、２２…
…磁性部材、２３，２４，５６，５７……検出コ
イル、３０……蓋、５１……鋼球。
Fig. 1 is a longitudinal sectional view showing an embodiment of the present invention, Fig. 2 is a sectional view taken along the - line in Fig. 1, and Fig. 3 is a diagram for explaining the magnetization direction of the permanent magnet. ,
FIG. 4 is a longitudinal sectional view of a conventional example. 1,50... Acceleration sensor, 10,54...
Case, 11... Cylindrical part, 12, 13... Flange, 14... Magnetic weight, 15, 16, 52, 53
...Coil spring, 18, 19, 20, 21, 26
, 27, 28, 29, 55...Permanent magnet, 22...
...Magnetic member, 23, 24, 56, 57...Detection coil, 30...Lid, 51...Steel ball.
Claims (1)
収容室の内部に、その壁面との間に隙間を残して
収容され、加速度の作用方向に配置された弾性体
１５，１６を介して取付けられた磁性重り１４と
、前記ケース１０の外周に固定されてケース１０
内に磁場を形成する環状の磁性部材２２と、該磁
性部材２２の外周側を囲み、前記磁性重り１４の
位置に応じた電流を出力する検出コイル２３，２
４とを具え、前記磁性部材２２と磁性重り１４と
の前記検出コイル２３，２４の径方向における対
向面側が互いに同極に着磁されていることを特徴
とする加速度センサー。 A case 10 having a housing chamber, and a case 10 that is housed inside the housing chamber of the case 10 with a gap left between it and the wall thereof, and is attached via elastic bodies 15 and 16 disposed in the direction of acceleration. A magnetic weight 14 and a case 10 fixed to the outer periphery of the case 10.
An annular magnetic member 22 that forms a magnetic field therein, and detection coils 23 and 2 that surround the outer circumferential side of the magnetic member 22 and output a current according to the position of the magnetic weight 14.
4, wherein opposing surfaces of the magnetic member 22 and the magnetic weight 14 in the radial direction of the detection coils 23 and 24 are magnetized to have the same polarity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5746789U JPH02148471U (en) | 1989-05-18 | 1989-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5746789U JPH02148471U (en) | 1989-05-18 | 1989-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02148471U true JPH02148471U (en) | 1990-12-17 |
Family
ID=31582199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5746789U Pending JPH02148471U (en) | 1989-05-18 | 1989-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02148471U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000065853A (en) * | 1998-08-26 | 2000-03-03 | Tadatoshi Goto | Detection device of vibration or acceleration |
-
1989
- 1989-05-18 JP JP5746789U patent/JPH02148471U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000065853A (en) * | 1998-08-26 | 2000-03-03 | Tadatoshi Goto | Detection device of vibration or acceleration |