JPS58175466U - Load current value and polarity detection device - Google Patents
Load current value and polarity detection deviceInfo
- Publication number
- JPS58175466U JPS58175466U JP7193882U JP7193882U JPS58175466U JP S58175466 U JPS58175466 U JP S58175466U JP 7193882 U JP7193882 U JP 7193882U JP 7193882 U JP7193882 U JP 7193882U JP S58175466 U JPS58175466 U JP S58175466U
- Authority
- JP
- Japan
- Prior art keywords
- current value
- detection device
- load current
- current
- load
- 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
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Emergency Protection Circuit Devices (AREA)
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図は従来の研削盤のチャックの電磁コイルの
回路図、第２図は本考案の実施例に係る研削盤のチャッ
クの電磁コゲルの回路図であ、る。
１・・・・・・変圧器、２・・・・・・整流器、３ａ〜
３ｄ・・・・・・接点、５・・・・・・電磁コイル、６
・・・・・・可変抵抗器、７・・・・・・ダイオード、
８・・・・・・電磁リレー、９・・・・・・電磁リレー
接点。, FIG. 1 is a circuit diagram of an electromagnetic coil of a conventional grinding machine chuck, and FIG. 2 is a circuit diagram of an electromagnetic cogel of a grinding machine chuck according to an embodiment of the present invention. 1...Transformer, 2...Rectifier, 3a~
3d... Contact, 5... Electromagnetic coil, 6
...Variable resistor, 7...Diode,
8... Electromagnetic relay, 9... Electromagnetic relay contact.
Claims (1)
流源と前記負荷との間に介在して前記電流の方向を変え
る接点とで構成された直流回路において、前記接点と前
記負荷との間に、ダイオードおよび前記電流に応じて作
動する電磁リレーの直列回路と、この直列回路に並列に
接続した抵抗とを介在させたことを特徴とする負荷電流
の電流値および極性の検出装置。In a DC circuit configured with a DC source, a load operated by the current of the DC source, and a contact interposed between the DC source and the load to change the direction of the current, the contact and the load may A device for detecting the current value and polarity of a load current, characterized in that a series circuit of a diode and an electromagnetic relay that operates according to the current, and a resistor connected in parallel to the series circuit are interposed between the circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7193882U JPS58175466U (en) | 1982-05-19 | 1982-05-19 | Load current value and polarity detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7193882U JPS58175466U (en) | 1982-05-19 | 1982-05-19 | Load current value and polarity detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58175466U true JPS58175466U (en) | 1983-11-24 |
Family
ID=30081526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7193882U Pending JPS58175466U (en) | 1982-05-19 | 1982-05-19 | Load current value and polarity detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58175466U (en) |
-
1982
- 1982-05-19 JP JP7193882U patent/JPS58175466U/en active Pending
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