JPH0158148U - - Google Patents
Info
- Publication number
- JPH0158148U JPH0158148U JP15228987U JP15228987U JPH0158148U JP H0158148 U JPH0158148 U JP H0158148U JP 15228987 U JP15228987 U JP 15228987U JP 15228987 U JP15228987 U JP 15228987U JP H0158148 U JPH0158148 U JP H0158148U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- circuit
- tank
- overheat prevention
- heater
- 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
- 230000002265 prevention Effects 0.000 claims description 6
- 238000005057 refrigeration Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (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
ヒータ駆動回路、４は温度調節器、５は温度設定
器、６は過昇防止設定器、７は過昇防止回路、８
は冷凍機、９は冷凍回路、１０は冷凍スイツチ、
１１は送風機、１２はセンサー、１３は信号切換
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 drive circuit, 4 is a temperature regulator, 5 is a temperature setting device, 6 is an overheating prevention setting device, 7 is an overheating prevention circuit, and 8
is a refrigerator, 9 is a refrigeration circuit, 10 is a refrigeration switch,
11 is a blower, 12 is a sensor, and 13 is a signal switching circuit. In the drawings, the same or corresponding parts are denoted by the same reference numerals.
Claims (1)
定する温度設定器と、上記槽内の温度を検出する
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槽内温度が予め
設定した設定温度値と等しくなる様に上記ヒータ
駆動回路を動作させる温度調節回路と、上記温度
設定器で設定された温度値より高く達した時上記
ヒータ駆動回路を遮断する過昇防止回路と、上記
過昇防止回路の動作温度を設定する過昇防止設定
器と、上記槽内を冷却させる冷凍機と、上記冷凍
機を駆動させる冷凍回路と、上記冷凍回路を動作
させる冷凍スイツチを備えた試験槽において、上
記センサーの検出した温度値が常温以上の場合に
動作し、上記過昇防止回路からの信号を上記冷凍
スイツチに送る信号切換回路を具備した事を特徴
とする試験槽。 A heater that heats the inside of the tank, a temperature setting device that sets the temperature inside the tank, a sensor that detects the temperature inside the tank, a heater drive circuit that drives the heater, and a temperature inside the tank that is detected by the sensor. A temperature adjustment circuit that operates the heater drive circuit so that the temperature becomes equal to a preset temperature value, and an overheat prevention circuit that shuts off the heater drive circuit when the temperature reaches a temperature higher than the temperature set by the temperature setting device. a circuit, an overheat prevention setting device that sets the operating temperature of the overheat prevention circuit, a refrigerator that cools the inside of the tank, a refrigeration circuit that drives the refrigerator, and a refrigeration switch that operates the refrigeration circuit. A test tank characterized in that the test tank is equipped with a signal switching circuit that operates when the temperature value detected by the sensor is above room temperature and sends a signal from the overheat prevention circuit to the refrigeration switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15228987U JPH0158148U (en) | 1987-10-05 | 1987-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15228987U JPH0158148U (en) | 1987-10-05 | 1987-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0158148U true JPH0158148U (en) | 1989-04-11 |
Family
ID=31427080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15228987U Pending JPH0158148U (en) | 1987-10-05 | 1987-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0158148U (en) |
-
1987
- 1987-10-05 JP JP15228987U patent/JPH0158148U/ja active Pending
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