JPS59185663U

JPS59185663U - Chromatograph constant temperature device

Info

Publication number: JPS59185663U
Application number: JP8162383U
Authority: JP
Inventors: 直樹和田
Original assignee: 株式会社島津製作所
Priority date: 1983-05-30
Filing date: 1983-05-30
Publication date: 1984-12-10

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図はこ−の考案に係るクロマトグラフ用恒温装置の
一実施例を示す説明断面図、第２図はこの内側カラムオ
ーブン及びカラムオーブン本体内の温度を恒温制御する
制御回路図、第３図はこの内側カラムオーブン及びカラ
ムオーブン本体内の昇温状態を示すグラフ、第４〜６図
はこの他の実施　　、例を示す説明図である。１・・・ガスクロマトグラフ用恒温装置、２・・・カラ
ムオーブン本体、３・・・内側カラムオーブン、８・・
・ヒータ作動制御手段。Fig. 1 is an explanatory sectional view showing one embodiment of the constant temperature device for chromatography according to this invention, Fig. 2 is a control circuit diagram for controlling the temperature inside the inner column oven and the column oven main body at a constant temperature, and Fig. 3 The figure is a graph showing the state of temperature increase inside the inner column oven and the column oven main body, and Figs. 4 to 6 are explanatory diagrams showing other embodiments and examples. 1... Constant temperature device for gas chromatograph, 2... Column oven body, 3... Inner column oven, 8...
- Heater operation control means.

Claims

[Scope of utility model registration request]

An insulating column oven body, an inner column oven made of a member with a smaller insulation effect than the heat insulating material of the oven body provided in this body, and an inner column oven formed within this oven and between the outer wall of this oven and the inner wall of the column oven body. A plurality of heating means each heat a space to a constant temperature or an elevated temperature state; a plurality of detection means each detect the temperature inside the inner column oven and the space; A constant temperature device for a chromatograph, comprising heating means operation control means for operating or stopping each heating means based on detection signals from these detection means, in order to keep the temperature constant including zero during temperature and constant temperature.