JPS58149038U - Motor protection device - Google Patents
Motor protection deviceInfo
- Publication number
- JPS58149038U JPS58149038U JP4744982U JP4744982U JPS58149038U JP S58149038 U JPS58149038 U JP S58149038U JP 4744982 U JP4744982 U JP 4744982U JP 4744982 U JP4744982 U JP 4744982U JP S58149038 U JPS58149038 U JP S58149038U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- protection device
- motor protection
- switching device
- heating element
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図及び第２図は各々従来装置を示す回路図、第３図
は第１図に示されるサーマルスイッチの詳□細断面図、
第４図ａ、 ｂは第１図の従来装置の動作を説明する
グラフ、第５図はこの考案の一実施例を示す回路図であ
る。
図に於いて、１は直流電動機、３は保護継電機、１６は
サーマルスイッチである。なお、図中、同 −一符号
は同−又は相当部分を示す。Figures 1 and 2 are circuit diagrams showing conventional devices, and Figure 3 is a detailed cross-sectional view of the thermal switch shown in Figure 1.
4a and 4b are graphs explaining the operation of the conventional device shown in FIG. 1, and FIG. 5 is a circuit diagram showing an embodiment of this invention. In the figure, 1 is a DC motor, 3 is a protective relay, and 16 is a thermal switch. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
発熱作用をなす発熱体、この発熱体の温度を検知して動
作する開閉装置、この開閉装置により駆動制御され上記
モータの電流路を開閉制御する継電器を備えていること
を特徴とするモータの保護装置。A heating element that is connected to the current path of the motor and has the same heat generation effect as the armature of the motor, a switching device that operates by detecting the temperature of this heating element, and a switching device that is driven and controlled by this switching device to open and close the current path of the motor. A motor protection device characterized by comprising a controlling relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4744982U JPS58149038U (en) | 1982-03-30 | 1982-03-30 | Motor protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4744982U JPS58149038U (en) | 1982-03-30 | 1982-03-30 | Motor protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58149038U true JPS58149038U (en) | 1983-10-06 |
Family
ID=30058407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4744982U Pending JPS58149038U (en) | 1982-03-30 | 1982-03-30 | Motor protection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58149038U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS579225A (en) * | 1980-06-18 | 1982-01-18 | Fujitsu Fanuc Ltd | Overload detector for motor |
-
1982
- 1982-03-30 JP JP4744982U patent/JPS58149038U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS579225A (en) * | 1980-06-18 | 1982-01-18 | Fujitsu Fanuc Ltd | Overload detector for motor |
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