JPS5993089U - Heater disconnection detection device - Google Patents

Heater disconnection detection device

Info

Publication number
JPS5993089U
JPS5993089U JP19032782U JP19032782U JPS5993089U JP S5993089 U JPS5993089 U JP S5993089U JP 19032782 U JP19032782 U JP 19032782U JP 19032782 U JP19032782 U JP 19032782U JP S5993089 U JPS5993089 U JP S5993089U
Authority
JP
Japan
Prior art keywords
heater
detection device
current
contactor
determination section
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
JP19032782U
Other languages
Japanese (ja)
Other versions
JPS6343825Y2 (en
Inventor
清 川島
池田　豪
潔 佐々木
Original Assignee
東芝機械株式会社
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 by 東芝機械株式会社 filed Critical 東芝機械株式会社
Priority to JP19032782U priority Critical patent/JPS5993089U/en
Publication of JPS5993089U publication Critical patent/JPS5993089U/en
Application granted granted Critical
Publication of JPS6343825Y2 publication Critical patent/JPS6343825Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Control Of Resistance Heating (AREA)
  • Extrusion Of Metal (AREA)
  • Injection Moulding Of Plastics Or The Like (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は本考案の実施例全体のブロック図、第２図は判
定部の詳細な回路図、第３図は本考案による他の実施例
の回路ブロック図、第４図はヒータ番号指定信号の波形
図である。 １２・・・・・・機械、１４・・・・・・制御装置、１
６・・・・・・コンタクタ、１８・・・・・・電圧電流
変換器、２０・・・・・・電源、３０・・・・・・判定
部。Fig. 1 is a block diagram of the entire embodiment of the present invention, Fig. 2 is a detailed circuit diagram of the determination section, Fig. 3 is a circuit block diagram of another embodiment of the invention, and Fig. 4 is a heater number designation signal. FIG. 12...Machine, 14...Control device, 1
6... Contactor, 18... Voltage current converter, 20... Power supply, 30... Judgment section.

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）複数のヒータを装備し且つ同各ヒータへの印加電
力を個々にオン・オフ制御するヒータコントローラを有
する機械装置において、 前記ヒータコントローラからのオンオフ指令に応答して
電力供給源と各ヒータとを導通あるいは非導通状態にせ
しめ−る第１のコンタクタと、前記電力供給源から前記
第１のコンタクタを介して対応するヒータに印加される
電圧を電流に変換する電圧電流変換器と、 前記電圧電流変換器からの検出電流を受は入れると共に
同検出電流値が予め定め元値以下になったか否かを判別
する判定部とからなり、同判定部には前記第１のコンタ
クタと同時にオンオフする第２のコンタクタを介して与
えられる導通信号ＳＩＢにもとづいて前記判定部を正常
な判定動作状態に励起せしめる回路手段を備えたことを
特徴とする前記機械装置のヒータ断線検知装置。(1) In a mechanical device equipped with a plurality of heaters and having a heater controller that individually controls on/off the power applied to each heater, a power supply source and each heater are connected in response to an on/off command from the heater controller. and a voltage-current converter that converts a voltage applied from the power supply source to the corresponding heater via the first contactor into a current; It consists of a determination section that receives the detected current from the voltage-current converter and determines whether or not the detected current value has fallen below a predetermined original value. A heater breakage detection device for a mechanical device, comprising circuit means for exciting the determination section to a normal determination operation state based on a conduction signal SIB given via a second contactor. （２）前記判定部には前記回路手段として前記導通信号
を遅延する回路を設けるようにしたことを特徴とする実
用新案登録請求の範囲第１項記載のヒータ断線検知装置
。(2) The heater disconnection detection device according to claim 1, wherein the determination unit is provided with a circuit that delays the conduction signal as the circuit means. （３）前記複数の、各ヒータに対応する第２のコンタク
タからの導通信号及各ヒータからの検出電流をセットで
適宜切換えて前記判定部への入力信号を形成する選択手
段を備えたことを特徴とする請求の範囲第１項の検知装
置。(3) A selection means is provided for appropriately switching the conduction signal from the second contactor corresponding to each of the plurality of heaters and the detection current from each heater as a set to form an input signal to the determination section. A detection device according to claim 1, characterized in that:
JP19032782U 1982-12-16 1982-12-16 Heater disconnection detection device Granted JPS5993089U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19032782U JPS5993089U (en) 1982-12-16 1982-12-16 Heater disconnection detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19032782U JPS5993089U (en) 1982-12-16 1982-12-16 Heater disconnection detection device

Publications (2)

Publication Number Publication Date
JPS5993089U true JPS5993089U (en) 1984-06-23
JPS6343825Y2 JPS6343825Y2 (en) 1988-11-15

Family

ID=30410118

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19032782U Granted JPS5993089U (en) 1982-12-16 1982-12-16 Heater disconnection detection device

Country Status (1)

Country Link
JP (1) JPS5993089U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014100808A (en) * 2012-11-16 2014-06-05 Japan Steel Works Ltd:The Disconnection and degradation determination method of heater and injection molding machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014100808A (en) * 2012-11-16 2014-06-05 Japan Steel Works Ltd:The Disconnection and degradation determination method of heater and injection molding machine

Also Published As

Publication number Publication date
JPS6343825Y2 (en) 1988-11-15

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