JPH0175991U - - Google Patents

Info

Publication number
JPH0175991U
JPH0175991U JP1987170827U JP17082787U JPH0175991U JP H0175991 U JPH0175991 U JP H0175991U JP 1987170827 U JP1987170827 U JP 1987170827U JP 17082787 U JP17082787 U JP 17082787U JP H0175991 U JPH0175991 U JP H0175991U
Authority
JP
Japan
Prior art keywords
heating element
heating
optical fiber
heating sheet
light
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
Application number
JP1987170827U
Other languages
English (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 JP1987170827U priority Critical patent/JPH0175991U/ja
Publication of JPH0175991U publication Critical patent/JPH0175991U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Central Heating Systems (AREA)
  • Control Of Resistance Heating (AREA)

Description

【図面の簡単な説明】
第1図及び第2図は本考案の一実施例を示すも
ので、第1図は電気カーペツトの斜視図、第2図
は電気回路の構成図、第3図は従来例を示すため
に用いた感熱線の構成図である。 11……カーペツト本体(採暖シート)、12
……発熱体、14……光フアイバー、23……第
1制御部、24……第2制御部、28……フオト
トランジスタ(受光部)、32……発光ダイオー
ド(発光部)。

Claims (1)

    【実用新案登録請求の範囲】
  1. 発熱体を有する採暖シートと、この採暖シート
    全体に設けられた光フアイバーと、この光フアイ
    バーの一端に設けた発光部と、他端に設けた受光
    部と、前記採暖シートの温度変化に応じて前記発
    熱体への通断電を制御する制御部とを具備し、前
    記発熱体への通電状態の場合に前記発光部を発光
    させ、前記受光部がこの発光を検知している時は
    発熱体への通電状態を保持するとともに、前記発
    熱体の局部温度上昇が生じた時は前記光フアイバ
    ーが溶断し前記発熱体への通電を断つようにした
    ことを特徴とする温度過昇防止装置。
JP1987170827U 1987-11-09 1987-11-09 Pending JPH0175991U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987170827U JPH0175991U (ja) 1987-11-09 1987-11-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987170827U JPH0175991U (ja) 1987-11-09 1987-11-09

Publications (1)

Publication Number Publication Date
JPH0175991U true JPH0175991U (ja) 1989-05-23

Family

ID=31462106

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987170827U Pending JPH0175991U (ja) 1987-11-09 1987-11-09

Country Status (1)

Country Link
JP (1) JPH0175991U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57194480A (en) * 1981-05-26 1982-11-30 Mitsubishi Electric Corp Device for protecting electric heating instrument

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57194480A (en) * 1981-05-26 1982-11-30 Mitsubishi Electric Corp Device for protecting electric heating instrument

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