JPS61156210U - - Google Patents
Info
- Publication number
- JPS61156210U JPS61156210U JP3869285U JP3869285U JPS61156210U JP S61156210 U JPS61156210 U JP S61156210U JP 3869285 U JP3869285 U JP 3869285U JP 3869285 U JP3869285 U JP 3869285U JP S61156210 U JPS61156210 U JP S61156210U
- Authority
- JP
- Japan
- Prior art keywords
- excitation coil
- sensing element
- magnetic core
- temperature
- excitation
- 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
- 230000005284 excitation Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図はこの考案の一実施例を説明するための
断面図、第２図はこの考案の電気的な接続構造を
説明するための接続図、第３図はこの考案の動作
を説明するためのグラフ、第４図は従来の電磁石
を説明するための断面図である。
１００：負性抵抗素子、２００：励磁電流源、
３０１：磁気ケース、３０２：棒状磁芯、３０３
：蓋、３０６：磁気空隙。
Figure 1 is a sectional view for explaining an embodiment of this invention, Figure 2 is a connection diagram for explaining the electrical connection structure of this invention, and Figure 3 is for explaining the operation of this invention. The graph of FIG. 4 is a cross-sectional view for explaining a conventional electromagnet. 100: negative resistance element, 200: excitation current source,
301: Magnetic case, 302: Rod-shaped magnetic core, 303
: Lid, 306: Magnetic air gap.
Claims (1)
、励磁コイルを巻装した磁芯の温度を検出するよ
う感温素子を設け、この感温素子を上記励磁コイ
ルに並列接続し、上記磁芯の温度上昇に追従して
上記励磁コイルを流れる励磁電流の値を減少させ
るように構成した高安定電磁石。 In an electromagnet having a magnetic gap with an excitation coil, a temperature sensing element is provided to detect the temperature of the magnetic core around which the excitation coil is wound, and this temperature sensing element is connected in parallel to the excitation coil to prevent temperature rise of the magnetic core. A highly stable electromagnet configured to follow the excitation coil and reduce the value of the excitation current flowing through the excitation coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3869285U JPH0311863Y2 (en) | 1985-03-18 | 1985-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3869285U JPH0311863Y2 (en) | 1985-03-18 | 1985-03-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61156210U true JPS61156210U (en) | 1986-09-27 |
| JPH0311863Y2 JPH0311863Y2 (en) | 1991-03-20 |
Family
ID=30545935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3869285U Expired JPH0311863Y2 (en) | 1985-03-18 | 1985-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0311863Y2 (en) |
-
1985
- 1985-03-18 JP JP3869285U patent/JPH0311863Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0311863Y2 (en) | 1991-03-20 |