JPS59122526U - Knock sensor - Google Patents
Knock sensorInfo
- Publication number
- JPS59122526U JPS59122526U JP1437283U JP1437283U JPS59122526U JP S59122526 U JPS59122526 U JP S59122526U JP 1437283 U JP1437283 U JP 1437283U JP 1437283 U JP1437283 U JP 1437283U JP S59122526 U JPS59122526 U JP S59122526U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- knock sensor
- magnetostrictive material
- cover
- magnetostrictive
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のノックセンサ構造を示す断面図、第２図
は特性図、第３図は従来のノックセンサにおけるカバー
ど磁歪材料の接触（不具合点）の説明図、第４図は本考
案のノックセンサ構造断面図、第５図は本考案によるカ
バーと磁歪材料の接触を説明する図、第６図、第７図は
他の実施例説明図 −である。
１・・・磁歪材料、２・・・永久磁石、３・・・ボビン
、４・・・コイル、５・・・ターミナル、６・・・ター
ミナル、７・・・内殻、８・・・ワッシャ、９・・・板
ばね、１ｏ・・・外殻、１１・・・ボス、１２・・・カ
バー、１３・・・端部、１４・・・０リング、１５・・
・溝。Fig. 1 is a cross-sectional view showing the structure of a conventional knock sensor, Fig. 2 is a characteristic diagram, Fig. 3 is an explanatory diagram of the contact (fault point) of the magnetostrictive material of the cover in the conventional knock sensor, and Fig. 4 is the present invention. FIG. 5 is a diagram illustrating the contact between the cover and the magnetostrictive material according to the present invention, and FIGS. 6 and 7 are diagrams illustrating other embodiments. DESCRIPTION OF SYMBOLS 1... Magnetostrictive material, 2... Permanent magnet, 3... Bobbin, 4... Coil, 5... Terminal, 6... Terminal, 7... Inner shell, 8... Washer , 9... Leaf spring, 1o... Outer shell, 11... Boss, 12... Cover, 13... End, 14... 0 ring, 15...
·groove.
Claims (1)
外周部にコイルが設けられ、このコイルを保持する内殻
、ワッシャ、板バネを有し、更にこれらの外側に外殻、
カバー、０リングを有し、磁歪材料がエンジンのノック
振動により外力の変化を受けた時に、磁界の強さが変化
し、これをコイルが感知してコイル両端に電圧を出力す
る磁歪式ノックセンサにおいて、カバーに凹凸を設けた
ことを特徴とするノックセンサ。A magnetostrictive material is provided in series with the permanent magnet, and a coil is provided on the outer periphery of the magnetostrictive material, and an inner shell, a washer, and a leaf spring are provided to hold the coil.
A magnetostrictive knock sensor that has a cover and an O-ring, and when the magnetostrictive material receives a change in external force due to engine knock vibration, the strength of the magnetic field changes, the coil senses this and outputs a voltage across the coil. A knock sensor characterized in that a cover is provided with unevenness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1437283U JPS59122526U (en) | 1983-02-04 | 1983-02-04 | Knock sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1437283U JPS59122526U (en) | 1983-02-04 | 1983-02-04 | Knock sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59122526U true JPS59122526U (en) | 1984-08-17 |
Family
ID=30145737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1437283U Pending JPS59122526U (en) | 1983-02-04 | 1983-02-04 | Knock sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59122526U (en) |
-
1983
- 1983-02-04 JP JP1437283U patent/JPS59122526U/en active Pending
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