JPH0250719U - - Google Patents

Info

Publication number
JPH0250719U
JPH0250719U JP12896788U JP12896788U JPH0250719U JP H0250719 U JPH0250719 U JP H0250719U JP 12896788 U JP12896788 U JP 12896788U JP 12896788 U JP12896788 U JP 12896788U JP H0250719 U JPH0250719 U JP H0250719U
Authority
JP
Japan
Prior art keywords
temperature
control circuit
thermostatic oven
temperature control
diagram showing
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
JP12896788U
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 JP12896788U priority Critical patent/JPH0250719U/ja
Publication of JPH0250719U publication Critical patent/JPH0250719U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Temperature (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係る温度制御回路の第1の実
施例を示す構成回路図、第2図は本考案に係る温
度制御回路の第2の実施例を示す構成回路図、第
3図は周囲温度とヒータ電流の関係を示す特性曲
線図、第4図は従来の温度制御回路の一例を示す
構成回路図、第5図は周囲温度とPI定数の最適
値の関係を示す特性曲線図である。 2…演算増幅器、4…切換スイツチ、6…温度
センサ、7,10…比較器、R,R,R
抵抗、C…キヤパシタ、V,V…切換温度
信号、KP…比例ゲイン、TI…積分定数。

Claims (1)

    【実用新案登録請求の範囲】
  1. 恒温槽内の温度が設定温度と等しくなるように
    ヒータの電流を制御するPI制御形の温度制御回
    路において、恒温槽の周囲温度に対応して比例ゲ
    インおよび積分定数を可変とするように構成した
    ことを特徴とする温度制御回路。
JP12896788U 1988-09-30 1988-09-30 Pending JPH0250719U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12896788U JPH0250719U (ja) 1988-09-30 1988-09-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12896788U JPH0250719U (ja) 1988-09-30 1988-09-30

Publications (1)

Publication Number Publication Date
JPH0250719U true JPH0250719U (ja) 1990-04-10

Family

ID=31382799

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12896788U Pending JPH0250719U (ja) 1988-09-30 1988-09-30

Country Status (1)

Country Link
JP (1) JPH0250719U (ja)

Similar Documents

Publication Publication Date Title
JPH0250719U (ja)
JPS63168708U (ja)
JPS61154018U (ja)
JPH0224620U (ja)
JPS6190330U (ja)
JPS62158919U (ja)
JPH02130520U (ja)
JPH03130613U (ja)
JPS6333390U (ja)
JPH0429219U (ja)
JPH039522U (ja)
JPH0258812U (ja)
JPS62145495U (ja)
JPS6392107U (ja)
JPS62173812U (ja)
JPH0255718U (ja)
JPH0163094U (ja)
JPH0396560U (ja)
JPH0480120U (ja)
JPS63185534U (ja)
JPS62192401U (ja)
JPS63199042U (ja)
JPS632007U (ja)
JPS6392109U (ja)
JPH01117118U (ja)