JPH02131663U

JPH02131663U -

Info

Publication number: JPH02131663U
Application number: JP4073989U
Authority: JP
Priority date: 1989-04-06
Filing date: 1989-04-06
Publication date: 1990-11-01

Description

[Brief explanation of drawings]

第１図はこの考案による加速度センサーの概略
図、第２図は第１図に示すものの側面図、第３図
は第１図に示すものに使用している板ばねを示す
図、第４図および第５図は板ばねの他の例を示す
図、第６図は第５図に示す板ばねの断面図、第７
図はこの考案による加速度センサーの第２の実施
例を示す概略図、第８図はこの考案による加速度
センサーの第３の実施例を示す概略図、第９図は
従来の加速度センサーを示す概略図である。１，２１，３１……支持部材、２，２２，３２
，４２……コイル、３，２３，３３，４３……差
動トランス、４，２４……突出部、５，２５，３
５，４５……コア、６，１１，１８……板ばね、
７，１３……孔、８，１４……中央部、９，１２
，１５，１６……リング部、１０，１７……連結
部、１９……湾曲部、２６，３９……閉塞板、２
７，３７……コイルばね、２８，３８……支持板
、３４……小径部、３６……大径部、４１……ガ
イド部材。 Figure 1 is a schematic diagram of the acceleration sensor according to this invention, Figure 2 is a side view of the sensor shown in Figure 1, Figure 3 is a diagram showing the leaf spring used in the sensor shown in Figure 1, and Figure 4. 5 is a diagram showing another example of the leaf spring, FIG. 6 is a sectional view of the leaf spring shown in FIG. 5, and FIG.
Figure 8 is a schematic diagram showing a second embodiment of the acceleration sensor according to this invention, Figure 8 is a schematic diagram showing a third embodiment of the acceleration sensor according to this invention, and Figure 9 is a schematic diagram showing a conventional acceleration sensor. It is. 1, 21, 31...Supporting member, 2, 22, 32
, 42... Coil, 3, 23, 33, 43... Differential transformer, 4, 24... Projection, 5, 25, 3
5, 45... Core, 6, 11, 18... Leaf spring,
7, 13... Hole, 8, 14... Central part, 9, 12
, 15, 16... Ring part, 10, 17... Connection part, 19... Curved part, 26, 39... Closure plate, 2
7, 37... Coil spring, 28, 38... Support plate, 34... Small diameter portion, 36... Large diameter portion, 41... Guide member.

Claims

[Claims for Utility Model Registration] (1) Support members 1, 21, 31 and elastic members 6, 1
Core 5, 25, 3 via 1, 18, 27, 37
5 is disposed displaceably, and furthermore, the support member 1
, 21, 31. An acceleration sensor characterized in that detection members 3, 23, and 33 are provided to detect and output the amount of displacement of the cores 5, 25, and 35 with respect to , 21, and 31. (2) Inside the cylindrical support member 1, the support member 1
The core 5 is disposed so as to be displaceable through leaf springs 6, 11, and 18 between the supporting member 1 and the detecting member 3 that detects and outputs the amount of displacement of the core 5 with respect to the support member 1. An acceleration sensor characterized by: (3) The detection members 3, 23, 33 have coils 2, 22, 3 on the outside of the support members 1, 21, 31.
Differential transformer 3, 23, 3 formed by winding 2
3. The acceleration sensor according to claim 2. (4) The acceleration sensor according to claim 2, wherein the detection member is a strain gauge provided on the leaf spring. (5) Cores 25, 35 are provided on the support members 21, 31 via support plates 28, 38, and elastic members 27, 37 are provided between the support members 21, 31 and the cores 25, 35, The acceleration sensor further includes detection members 23 and 33 that detect and output the amount of displacement of the cores 25 and 35 with respect to the support members 21 and 31.