JPS6410814U

JPS6410814U -

Info

Publication number: JPS6410814U
Application number: JP10578687U
Authority: JP
Priority date: 1987-07-09
Filing date: 1987-07-09
Publication date: 1989-01-20

Description

[Brief explanation of the drawing]

第１図は第２図の温度制御装置が適用される加
熱炉を説明する図である。第２図は本考案の一実
施例の温度制御装置の構成を説明する図である。
第３図は加熱炉内のヒートカーブを示す図である
。第４図は本考案の他の実施例における第２図に
相当する図である。第５図は第４図の制御回路の
作動を説明するフローチヤートである。第６図は
、本考案の他の実施例における第１図に相当する
図である。第７図は第６図の実施例における被加
熱材料の強加熱領域を説明する図である。第８図
は第７図の被加熱材料の成形後の形状を説明する
図である。１０：加熱炉、１４，４６：遠赤外線ヒータ（
ヒータ）、１８：熱電対（温度検出装置）、２０
：温度調節装置（温度調節手段）、２４：ヒータ
駆動回路、２６：記憶装置（相対出力比記憶手段
）、２８：制御装置（出力比制御手段）、３０：
入力装置（相対出力比指定手段）。 FIG. 1 is a diagram illustrating a heating furnace to which the temperature control device of FIG. 2 is applied. FIG. 2 is a diagram illustrating the configuration of a temperature control device according to an embodiment of the present invention.
FIG. 3 is a diagram showing a heat curve inside the heating furnace. FIG. 4 is a diagram corresponding to FIG. 2 in another embodiment of the present invention. FIG. 5 is a flowchart illustrating the operation of the control circuit of FIG. 4. FIG. 6 is a diagram corresponding to FIG. 1 in another embodiment of the present invention. FIG. 7 is a diagram illustrating the strongly heated region of the material to be heated in the embodiment of FIG. 6. FIG. 8 is a diagram illustrating the shape of the material to be heated in FIG. 7 after molding. 10: Heating furnace, 14, 46: Far infrared heater (
Heater), 18: Thermocouple (temperature detection device), 20
: Temperature adjustment device (temperature adjustment means), 24: Heater drive circuit, 26: Storage device (relative output ratio storage means), 28: Control device (output ratio control means), 30:
Input device (relative output ratio designation means).

Claims

[Claims for Utility Model Registration] A temperature control device for a heating furnace heated using a plurality of heaters, comprising: a temperature detection device for detecting the actual temperature in the heating furnace; a predetermined target temperature; A common temperature adjustment means for determining a control value so that the actual temperature in the heating furnace matches the actual temperature, and a power supply provided for each of the plurality of heaters and having a magnitude corresponding to the control value. a heater drive circuit that supplies power to the heater and changes the supply ratio of the power to the control value; relative output ratio storage means that stores in advance a plurality of sets of relative output ratios between the plurality of heaters; Relative output ratio designation means for designating one set of the plurality of relative output ratios stored in the ratio storage means; and a set of relative output ratios designated by the relative output ratio designation means, An automatic temperature control device comprising: output ratio control means for adjusting a power supply ratio of the heater drive circuit to the control value based on a signal from the relative output ratio storage means.