JPS638609U - - Google Patents
Info
- Publication number
- JPS638609U JPS638609U JP10210686U JP10210686U JPS638609U JP S638609 U JPS638609 U JP S638609U JP 10210686 U JP10210686 U JP 10210686U JP 10210686 U JP10210686 U JP 10210686U JP S638609 U JPS638609 U JP S638609U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic core
- detection device
- coil
- position detection
- bobbin
- 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 8
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 2
- 239000004020 conductor Substances 0.000 claims 1
- 230000005284 excitation Effects 0.000 claims 1
- 239000000284 extract Substances 0.000 claims 1
- 239000000446 fuel Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Description
第１図は本考案実施例の要部構造断面図、第２
図は本考案の他の実施例における要部構造断面図
、第３図は本考案を適用できるデイーゼルエンジ
ン用インジエクシヨンポンプの概略構造説明図、
第４図は従来の位置検出装置の要部構造説明図、
第５図は検出回路部の回路例を示す回路図、第６
図は位置検出装置に用いられる差動トランスの説
明図、第７図は差動トランスの１次コイルの等価
回路図である。
４…コントロールラツク、６…位置検出装置本
体、７…磁気コア、８…コイル、８ａ…１次コイ
ル、８ｂ…２次コイル、１０…ボビン、１４…検
出回路部、１５…パイプ。
Figure 1 is a sectional view of the main structure of the embodiment of the present invention;
The figure is a cross-sectional view of the main structure of another embodiment of the present invention, and FIG. 3 is a schematic structural explanatory diagram of an injection pump for a diesel engine to which the present invention can be applied.
FIG. 4 is an explanatory diagram of the main part structure of a conventional position detection device.
Figure 5 is a circuit diagram showing an example of the detection circuit section;
The figure is an explanatory diagram of a differential transformer used in a position detection device, and FIG. 7 is an equivalent circuit diagram of a primary coil of the differential transformer. 4... Control rack, 6... Position detection device body, 7... Magnetic core, 8... Coil, 8a... Primary coil, 8b... Secondary coil, 10... Bobbin, 14... Detection circuit section, 15... Pipe.
Claims (1)
周部に巻回され磁気コアの位置に応じた電気信号
を出力するコイルとを有し、該コイルによつて磁
気コアの位置に応じた電気信号を取り出す位置検
出装置において、 前記ボビンの外周又は内周の少なくとも一方に
、導電性材料からなるパイプを嵌着したことを特
徴とする位置検出装置。 (2) 前記コイルは励磁用コイルである一次コイ
ルと、一対の二次コイルとからなり、前記磁気コ
アと共に差動トランスを構成することを特徴とす
る実用新案登録請求の範囲第１項記載の位置検出
装置。 (3) 前記変位部材は、エンジンに燃料を供給す
るインジエクシヨンポンプのコントロールラツク
であることを特徴とする実用新案登録請求の範囲
第１項又は第２項記載の位置検出装置。[Claims for Utility Model Registration] (1) A product having a magnetic core interlocked with a displacement member and a coil wound around the outer periphery of a bobbin and outputting an electric signal according to the position of the magnetic core; A position detection device that extracts an electric signal according to the position of a magnetic core, characterized in that a pipe made of a conductive material is fitted onto at least one of the outer circumference or the inner circumference of the bobbin. (2) The utility model according to claim 1, wherein the coil is composed of a primary coil that is an excitation coil and a pair of secondary coils, and together with the magnetic core constitutes a differential transformer. Position detection device. (3) The position detection device according to claim 1 or 2, wherein the displacement member is a control rack for an injection pump that supplies fuel to an engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10210686U JPH057521Y2 (en) | 1986-07-04 | 1986-07-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10210686U JPH057521Y2 (en) | 1986-07-04 | 1986-07-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS638609U true JPS638609U (en) | 1988-01-20 |
| JPH057521Y2 JPH057521Y2 (en) | 1993-02-25 |
Family
ID=30973449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10210686U Expired - Lifetime JPH057521Y2 (en) | 1986-07-04 | 1986-07-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH057521Y2 (en) |
-
1986
- 1986-07-04 JP JP10210686U patent/JPH057521Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH057521Y2 (en) | 1993-02-25 |
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