JPS63198336U - - Google Patents
Info
- Publication number
- JPS63198336U JPS63198336U JP1987086718U JP8671887U JPS63198336U JP S63198336 U JPS63198336 U JP S63198336U JP 1987086718 U JP1987086718 U JP 1987086718U JP 8671887 U JP8671887 U JP 8671887U JP S63198336 U JPS63198336 U JP S63198336U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- current
- output
- operating
- signal
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
- Control Of Voltage And Current In General (AREA)
- Control Of Electric Motors In General (AREA)
- Electronic Switches (AREA)
Description
第１図はこの考案の一実施例を示す結線図、第
２図は第１図における各部の動作を説明するため
の信号波形図、第３図は従来の実施例を示す結線
図である。
１……コントローラ、２……操作キー、３……
デコーダ、４……出力回路、５……メカニズム、
６……抵抗、７……検出器、８……比較器、９…
…基準電圧源、１１……ラツチ回路、１２……フ
イルタ、１３……ＯＲ回路。
FIG. 1 is a wiring diagram showing one embodiment of this invention, FIG. 2 is a signal waveform diagram for explaining the operation of each part in FIG. 1, and FIG. 3 is a wiring diagram showing a conventional embodiment. 1...Controller, 2...Operation keys, 3...
Decoder, 4... Output circuit, 5... Mechanism,
6...Resistor, 7...Detector, 8...Comparator, 9...
...Reference voltage source, 11...Latch circuit, 12...Filter, 13...OR circuit.
Claims (1)
給する出力回路と、この出力回路から前記電流動
作機器に対して流入する電流量を検出し、その検
出値が所定以上である時に出力を発生する過電流
検出回路と、この過電流検出回路の出力によりセ
ツトされるラツチ回路と、このラツチ回路のセツ
ト状態における出力信号を受けて前記出力回路に
対し動作電流の供給を停止させる指令信号を発す
るデコーダ回路と、前記電流動作機器の動作状態
を検出し、動作が停止した時にデコーダに対し前
記指令信号を発生させると共に前記ラツチ回路を
リセツトさせる信号を発生させるコントローラ回
路とを具備して成る過電流保護回路。 An output circuit that supplies an operating current to a device that operates on current, and detects the amount of current that flows from this output circuit to the current-operated device, and generates an output when the detected value is equal to or higher than a predetermined value. An overcurrent detection circuit, a latch circuit that is set by the output of the overcurrent detection circuit, and a decoder that receives an output signal of the latch circuit in the set state and issues a command signal to stop the supply of operating current to the output circuit. an overcurrent protection circuit comprising: a circuit; and a controller circuit that detects the operating state of the current operating device and generates the command signal to the decoder and a signal that resets the latch circuit when the device stops operating. circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987086718U JPS63198336U (en) | 1987-06-05 | 1987-06-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987086718U JPS63198336U (en) | 1987-06-05 | 1987-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63198336U true JPS63198336U (en) | 1988-12-21 |
Family
ID=30943287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987086718U Pending JPS63198336U (en) | 1987-06-05 | 1987-06-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63198336U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5653525A (en) * | 1979-10-03 | 1981-05-13 | Hitachi Ltd | Overcurrent control system using comparator |
| JPS60207415A (en) * | 1984-03-30 | 1985-10-19 | 日本電気株式会社 | Recycling circuit |
-
1987
- 1987-06-05 JP JP1987086718U patent/JPS63198336U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5653525A (en) * | 1979-10-03 | 1981-05-13 | Hitachi Ltd | Overcurrent control system using comparator |
| JPS60207415A (en) * | 1984-03-30 | 1985-10-19 | 日本電気株式会社 | Recycling circuit |