Disclosed are heating device and thermal conductivity detector

Abstract

The invention provides a heating device and a thermal conductivity detector, and relates to the technical field of analytical instruments, the heating device is applied to the heating process of the thermal conductivity detector, and the heating device comprises a heating rod arranged in a thermal conductivity pool of the thermal conductivity detector and a power supply circuit; the output end ofthe power supply circuit is connected with two ends of the heating rod. The heating device is arranged in the thermal conductivity detector, and the thermal conductivity detector comprises a heating film, a heat conduction pool, a cavity and the heating device which are arranged in a shell; wherein the heating film is used for heating the heat conduction pool; a heating hole is formed in the heatconduction pool and used for containing a heating device. The heating device can be used for independently heating the heat conduction pool of the thermal conductivity detector; the heating device andthe heating film are jointly used for the heating process of the heat conduction pool, the heating rate of the thermal conductivity detector is increased, the heating time is shortened, the heating process can be controlled in an algorithm mode, and meanwhile the problem that the heating mode of the thermal conductivity pool in the thermal conductivity detector is single is solved.

Description

technical field [0001] The invention relates to the technical field of analytical instruments, in particular to a heating device and a thermal conductivity detector. Background technique [0002] In the existing thermal conductivity detector, the heating process of the thermal conductivity cell is realized by heating the heating film arranged in the cavity of the thermal conductivity detector. Usually, only this heating method is used in the thermal conductivity detector. Single, and there is still room for improvement in the heating rate of the heat conduction pool. Contents of the invention [0003] In view of this, the object of the present invention is to provide a heating device and a thermal conductivity detector. By adding an additional heating device to the thermal conduction pool of the thermal conductivity detector, the thermal conductivity pool is heated separately, and the heating film cooperates to realize The heating process of the heat conduction pool impro...

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Problems solved by technology

[0003] In view of this, the object of the present invention is to provide a heating device and a thermal conductivity detector. By adding an additional heating device to the thermal conduction pool of the thermal conductivity detector, the thermal conductivity pool is heated separately, and the heating film cooperates to realize The heating process of the thermal conduction pool improves the heating rate of the thermal conductivity detector, and solves the problem of single heating mode of the thermal conductivity detector in the thermal conductivity detector

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