JPH0221563U - - Google Patents
Info
- Publication number
- JPH0221563U JPH0221563U JP9970888U JP9970888U JPH0221563U JP H0221563 U JPH0221563 U JP H0221563U JP 9970888 U JP9970888 U JP 9970888U JP 9970888 U JP9970888 U JP 9970888U JP H0221563 U JPH0221563 U JP H0221563U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- reference position
- magnetic body
- magnetic field
- amount
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Description
第１図、第２図、及び第３図、第４図はそれぞ
れこの出願に係る第一の考案によるセンサの第一
実施例、及び第二実施例を示すものであり、第１
図及び第３図はセンサの縦断面図、第２図及び第
４図は磁極間に現れる磁力線を磁性体との関係に
おいて表示した図である。第５図、第６図はこの
出願に係る第二の考案によるセンサの第１図、第
２図に相当する図面である。又、第７図、第８図
は従来のセンサの第１図、第２図に相当する図面
である。
１……センサ、２……ケーシング、３……空洞
部、４……鉄球（磁性体）、５，６……トランス
（検出部材）、７，８……永久磁石（磁界発生部
材）、７ａ，８ａ……磁極。
1, 2, 3 and 4 respectively show a first embodiment and a second embodiment of the sensor according to the first invention of this application.
3 and 3 are longitudinal sectional views of the sensor, and FIGS. 2 and 4 are diagrams showing lines of magnetic force appearing between magnetic poles in relation to the magnetic body. FIGS. 5 and 6 are drawings corresponding to FIGS. 1 and 2 of the sensor according to the second invention of this application. Moreover, FIGS. 7 and 8 are drawings corresponding to FIGS. 1 and 2 of the conventional sensor. 1... Sensor, 2... Casing, 3... Cavity, 4... Iron ball (magnetic material), 5, 6... Transformer (detection member), 7, 8... Permanent magnet (magnetic field generating member), 7a, 8a...magnetic poles.
Claims (1)
動自在に収納された磁性体と、上記磁性体を基準
位置に引き付けるために上記空洞部を挟んで対向
配置された少なくとも一対の磁界発生部材と、上
記磁界発生部材の引き付け力に抗して移動する上
記磁性体の基準位置からの変位量を電気的又は磁
気的な変化量として検出する検出部材とを具備す
るセンサにおいて、上記磁界発生部材の互いに対
向する磁極の形状が凸状をなし、その最大突出端
を上記基準位置にほぼ一致させていることを特徴
とするセンサ。 (2) ケーシングの内部に設けられた空洞部に移
動自在に収納された磁性体と、上記磁性体を基準
位置に引き付けるために上記空洞部を挟んで対向
配置された少なくとも一対の磁界発生部材と、上
記磁界発生部材の引き付け力に抗して移動する上
記磁性体の基準位置からの変位量を電気的又は磁
気的な変化量として検出する検出部材とを具備す
るセンサにおいて、上記磁界発生部材の互いに対
向する磁極の形状が凹状をなし、その最大へこみ
端を上記基準位置にほぼ一致させていることを特
徴とするセンサ。[Claims for Utility Model Registration] (1) A magnetic body movably housed in a cavity provided inside a casing, and a magnetic body disposed facing each other across the cavity in order to attract the magnetic body to a reference position. at least one pair of magnetic field generation members; and a detection member that detects the amount of displacement from a reference position of the magnetic body that moves against the attractive force of the magnetic field generation members as an amount of electrical or magnetic change. A sensor characterized in that the mutually opposing magnetic poles of the magnetic field generating member have a convex shape, and the maximum protruding end thereof substantially coincides with the reference position. (2) a magnetic body movably housed in a cavity provided inside the casing; and at least a pair of magnetic field generating members disposed facing each other across the cavity to attract the magnetic body to a reference position. , a detection member that detects the amount of displacement from a reference position of the magnetic body that moves against the attractive force of the magnetic field generating member as an amount of electrical or magnetic change; A sensor characterized in that the mutually opposing magnetic poles have a concave shape, and the maximum concave end of the magnetic poles substantially coincides with the reference position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9970888U JPH0632627Y2 (en) | 1988-07-27 | 1988-07-27 | Sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9970888U JPH0632627Y2 (en) | 1988-07-27 | 1988-07-27 | Sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0221563U true JPH0221563U (en) | 1990-02-13 |
| JPH0632627Y2 JPH0632627Y2 (en) | 1994-08-24 |
Family
ID=31327121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9970888U Expired - Lifetime JPH0632627Y2 (en) | 1988-07-27 | 1988-07-27 | Sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0632627Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2237934A (en) * | 1989-11-08 | 1991-05-15 | Nippon Seiko Kk | Acceleration sensor |
-
1988
- 1988-07-27 JP JP9970888U patent/JPH0632627Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2237934A (en) * | 1989-11-08 | 1991-05-15 | Nippon Seiko Kk | Acceleration sensor |
| GB2237934B (en) * | 1989-11-08 | 1994-03-09 | Nippon Seiko Kk | Acceleration sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0632627Y2 (en) | 1994-08-24 |