JPH02115603U - - Google Patents

Info

Publication number
JPH02115603U
JPH02115603U JP2360689U JP2360689U JPH02115603U JP H02115603 U JPH02115603 U JP H02115603U JP 2360689 U JP2360689 U JP 2360689U JP 2360689 U JP2360689 U JP 2360689U JP H02115603 U JPH02115603 U JP H02115603U
Authority
JP
Japan
Prior art keywords
temperature
electric heater
sensitive resistor
resistor
heating resistor
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
JP2360689U
Other languages
English (en)
Other versions
JPH0717925Y2 (ja
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 JP1989023606U priority Critical patent/JPH0717925Y2/ja
Publication of JPH02115603U publication Critical patent/JPH02115603U/ja
Application granted granted Critical
Publication of JPH0717925Y2 publication Critical patent/JPH0717925Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図〜第4図は、本考案の実施例に対応する
もので、第1図は本考案の系統図、第2図はスケ
ール付着厚さと発熱抵抗体温度の関係を示す図、
第3図は発熱抵抗体温度と感温抵抗体の抵抗値の
関係を示す図、第4図はボイラー圧力と発熱抵抗
体近傍温度の関係を示す図である。 1……電気ヒーター、2……発熱抵抗体、3…
…感温抵抗体、4……スケール、5……被加熱体
、6……ボイラー水管、7……スケール付着検出
回路、8……ボイラー制御部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 発熱抵抗体2と感温抵抗体3を併設する電気ヒ
    ーター1を用い、感温抵抗体3の変化をもつて、
    電気ヒーター1表面にスケールが付着したことを
    検出し、警報を発することを特徴とする電気ボイ
    ラー。
JP1989023606U 1989-03-02 1989-03-02 スケール付着検出機構を備えた電気ボイラー Expired - Lifetime JPH0717925Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989023606U JPH0717925Y2 (ja) 1989-03-02 1989-03-02 スケール付着検出機構を備えた電気ボイラー

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989023606U JPH0717925Y2 (ja) 1989-03-02 1989-03-02 スケール付着検出機構を備えた電気ボイラー

Publications (2)

Publication Number Publication Date
JPH02115603U true JPH02115603U (ja) 1990-09-17
JPH0717925Y2 JPH0717925Y2 (ja) 1995-04-26

Family

ID=31242738

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989023606U Expired - Lifetime JPH0717925Y2 (ja) 1989-03-02 1989-03-02 スケール付着検出機構を備えた電気ボイラー

Country Status (1)

Country Link
JP (1) JPH0717925Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0463903U (ja) * 1990-09-27 1992-06-01
JP2013036688A (ja) * 2011-08-09 2013-02-21 Samson Co Ltd ボイラのスケール検出装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6177587U (ja) * 1984-10-26 1986-05-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6177587U (ja) * 1984-10-26 1986-05-24

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0463903U (ja) * 1990-09-27 1992-06-01
JP2013036688A (ja) * 2011-08-09 2013-02-21 Samson Co Ltd ボイラのスケール検出装置

Also Published As

Publication number Publication date
JPH0717925Y2 (ja) 1995-04-26

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term