JPS63113972U - - Google Patents

Info

Publication number
JPS63113972U
JPS63113972U JP489387U JP489387U JPS63113972U JP S63113972 U JPS63113972 U JP S63113972U JP 489387 U JP489387 U JP 489387U JP 489387 U JP489387 U JP 489387U JP S63113972 U JPS63113972 U JP S63113972U
Authority
JP
Japan
Prior art keywords
monitoring device
output signals
current transformers
adjusting resistor
heater
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
Application number
JP489387U
Other languages
Japanese (ja)
Other versions
JPH0622225Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1987004893U priority Critical patent/JPH0622225Y2/en
Publication of JPS63113972U publication Critical patent/JPS63113972U/ja
Application granted granted Critical
Publication of JPH0622225Y2 publication Critical patent/JPH0622225Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Control Of Resistance Heating (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来のヒータ通電監視装置を示す回路
図、第２ａ図、第２ｂ図及び第３図は各々この考
案の一実施例によるヒータ通電監視装置を示す回
路図である。図において、Ｈ１，Ｈ２及びＨ３は
ヒータ、ＣＴ１及びＣＴ２は変流器、Ｒは粗調整
用抵抗、ｒは微調整用抵抗、６は電圧計、Ｒ１及
びＲ２は第１及び第２の調整用抵抗、７は電流計
である。 FIG. 1 is a circuit diagram showing a conventional heater energization monitoring device, and FIGS. 2a, 2b, and 3 are circuit diagrams each showing a heater energization monitoring device according to an embodiment of the present invention. In the figure, H 1 , H 2 and H 3 are heaters, CT 1 and CT 2 are current transformers, R is a coarse adjustment resistor, r is a fine adjustment resistor, 6 is a voltmeter, and R 1 and R 2 are current transformers. 1 and 2 are adjusting resistors, and 7 is an ammeter.

Claims (1)

【実用新案登録請求の範囲】 (1) 複数のヒータへの通電を監視すべく各ヒー
タごとに設けられかつ出力信号が合成されるよう
に接続された複数の変流器と、該変流器からの合
成された出力信号を一定の値に変換するように設
けられた調整用抵抗と、該調整用抵抗により一定
の値に変換された出力信号を監視するための測定
計器とを備えたことを特徴とするヒータ通電監視
装置。 (2) 前記複数の変流器は並列接続されて出力信
号が合成されるようにした実用新案登録請求の範
囲第１項記載のヒータ通電監視装置。 (3) 前記複数の変流器は直列接続されて出力信
号が合成されるようにした実用新案登録請求の範
囲第１項記載のヒータ通電監視装置。[Claims for Utility Model Registration] (1) A plurality of current transformers provided for each heater to monitor energization to the plurality of heaters and connected so that output signals are combined, and the current transformer An adjusting resistor provided to convert the combined output signal from the adjusting resistor to a constant value, and a measuring instrument for monitoring the output signal converted to the constant value by the adjusting resistor. A heater energization monitoring device featuring: (2) The heater energization monitoring device according to claim 1, wherein the plurality of current transformers are connected in parallel to synthesize output signals. (3) The heater energization monitoring device according to claim 1, wherein the plurality of current transformers are connected in series so that output signals are synthesized.
JP1987004893U 1987-01-19 1987-01-19 Heater energization monitoring device Expired - Lifetime JPH0622225Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987004893U JPH0622225Y2 (en) 1987-01-19 1987-01-19 Heater energization monitoring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987004893U JPH0622225Y2 (en) 1987-01-19 1987-01-19 Heater energization monitoring device

Publications (2)

Publication Number Publication Date
JPS63113972U true JPS63113972U (en) 1988-07-22
JPH0622225Y2 JPH0622225Y2 (en) 1994-06-08

Family

ID=30785978

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987004893U Expired - Lifetime JPH0622225Y2 (en) 1987-01-19 1987-01-19 Heater energization monitoring device

Country Status (1)

Country Link
JP (1) JPH0622225Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010221474A (en) * 2009-03-23 2010-10-07 Japan Steel Works Ltd:The Heating method and device of extruder

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5382488A (en) * 1976-12-28 1978-07-20 Fuji Electric Co Ltd Current detecting circuit
JPS5724562U (en) * 1980-07-17 1982-02-08
JPS6058558A (en) * 1983-09-12 1985-04-04 Fuji Electric Co Ltd Voltage rectifying apparatus
JPS6179280U (en) * 1984-10-29 1986-05-27

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5382488A (en) * 1976-12-28 1978-07-20 Fuji Electric Co Ltd Current detecting circuit
JPS5724562U (en) * 1980-07-17 1982-02-08
JPS6058558A (en) * 1983-09-12 1985-04-04 Fuji Electric Co Ltd Voltage rectifying apparatus
JPS6179280U (en) * 1984-10-29 1986-05-27

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010221474A (en) * 2009-03-23 2010-10-07 Japan Steel Works Ltd:The Heating method and device of extruder

Also Published As

Publication number Publication date
JPH0622225Y2 (en) 1994-06-08

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