JPS6433672U - - Google Patents
Info
- Publication number
- JPS6433672U JPS6433672U JP12531287U JP12531287U JPS6433672U JP S6433672 U JPS6433672 U JP S6433672U JP 12531287 U JP12531287 U JP 12531287U JP 12531287 U JP12531287 U JP 12531287U JP S6433672 U JPS6433672 U JP S6433672U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- preventer
- heater
- tank
- drive circuit
- 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
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Testing Of Individual Semiconductor Devices (AREA)
Description
第１図はこの考案の一実施例を示す恒温槽の構
成図、第２図は従来の恒温槽の構成図である。
図において、１はセンサー、２はヒータ、３は
ヒータ信号駆動回路、４は温度調節器、５は温度
過昇防止器、６は保護回路、７は送風機、８は過
昇防止器自動設定回路である。なお、図中同一あ
るいは相当部分には同一符号を付して示してある
。
FIG. 1 is a block diagram of a constant temperature bath showing an embodiment of this invention, and FIG. 2 is a block diagram of a conventional constant temperature bath. In the figure, 1 is a sensor, 2 is a heater, 3 is a heater signal drive circuit, 4 is a temperature regulator, 5 is an overheat preventer, 6 is a protection circuit, 7 is a blower, and 8 is an overheat preventer automatic setting circuit. It is. It should be noted that the same or corresponding parts in the drawings are designated by the same reference numerals.
Claims (1)
出するセンサーと、上記ヒータを駆動するヒータ
駆動回路と、上記センサーで検出された温度値が
予め設定した設定温度値と等しくなるように上記
ヒータ駆動回路を動作させる温度調節器と、上記
センサーで検出された温度値が上記温度調節器の
設定温度値より高く設定された設定温度値に達し
たとき保護回路を介して上記ヒータ駆動回路を遮
断する温度過昇防止器とを備えた恒温槽において
、上記温度調節器と上記温度過昇防止器との間に
設けられ、両者の出力信号の差の電圧を検出し、
上記検出電圧により上記温度過昇防止器の設定温
度値を自動的に変更する駆動信号電圧を上記過度
過昇防止器へ発生する過昇防止器自動設定回路と
を具備したことを特徴とする恒温槽。 a heater that heats the inside of the tank; a sensor that detects the temperature inside the tank; a heater drive circuit that drives the heater; A temperature controller that operates the heater drive circuit; and a temperature controller that operates the heater drive circuit via a protection circuit when the temperature value detected by the sensor reaches a set temperature value that is higher than the set temperature value of the temperature regulator. In a constant temperature bath equipped with a temperature overrise preventer that shuts off, the temperature chamber is provided between the temperature regulator and the overtemperature rise preventer, and detects the voltage difference between the output signals of the two;
An overheat preventer automatic setting circuit that generates a drive signal voltage to the excessive overheat preventer to automatically change the set temperature value of the overheat preventer based on the detected voltage. Tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12531287U JPS6433672U (en) | 1987-08-18 | 1987-08-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12531287U JPS6433672U (en) | 1987-08-18 | 1987-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6433672U true JPS6433672U (en) | 1989-03-02 |
Family
ID=31375808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12531287U Pending JPS6433672U (en) | 1987-08-18 | 1987-08-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6433672U (en) |
-
1987
- 1987-08-18 JP JP12531287U patent/JPS6433672U/ja active Pending
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