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Sample injector

A sample injector and sample injection technology, which is applied in the direction of instruments, scientific instruments, and material analysis through electromagnetic means, can solve the problems of inability to separate opening and closing, inconvenient cleaning, etc., and achieve the effect of easy cleaning

Active Publication Date: 2012-12-12
NUCTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the thermal desorber has an integrated structure and cannot be opened and closed separately, which is not convenient for cleaning

Method used

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Embodiment Construction

[0016] The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention, but should not be construed as a limitation of the present invention.

[0017] refer to figure 1 , the injector 100 includes: a housing 1; a heating part 20 with a heating chamber 2 located in the housing 1; and a thermal desorber 4 comprising a thermal desorption chamber 5, such as figure 2 As shown by the middle arrow B, the thermal desorber 4 is adapted to be removably placed in the heating chamber 2, wherein: the thermal desorber 4 is a combined structure that can be disassembled to expose the thermal desorption chamber 5 .

[0018] The thermal desorber 4 includes a first part 41 and a second part 42 , and t...

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Abstract

The invention relates to a sample injector. The sample injector comprises a casing, a heating part with a heating cavity and a thermal desorption device with a thermal desorption cavity, wherein the heating part is arranged in the casing; the thermal desorption device is suitable to be placed in the heating cavity in a removable manner; and the thermal desorption device is a composite structure which can be disassembled to expose the thermal desorption cavity. Compared with the thermal desorption device with the integral structure in the prior art which can not be separated so that the thermal desorption cavity is not convenient to clean, the thermal desorption device in the sample injector of the invention can freely open and close, thus the thermal desorption cavity of the thermal desorption device is convenient to clean.

Description

technical field [0001] The invention relates to an improved structure of a sample injector in an ion mobility mass spectrometer for detecting explosives and drugs. Background technique [0002] In the prior art, the structure of the injector in the ion mobility mass spectrometer used to detect explosives and narcotics is as follows: it has an independent thermal desorber, and its interior is a thermal desorption chamber for wiping paper, and the heating element directly feeds the The thermal desorber heats up. However, the thermal desorber has an integrated structure and cannot be opened and closed separately, which is inconvenient for cleaning. Contents of the invention [0003] The present invention is proposed to overcome at least one aspect of the defects and deficiencies in the prior art. [0004] According to one aspect of the present invention, a sample injector is proposed, which includes: a housing; a heating part located in the housing with a heating chamber, t...

Claims

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Application Information

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IPC IPC(8): G01N27/62G01N27/622G01N27/626
Inventor 张阳天王耀昕彭华林津李冠兴刘加恩焦鹏
Owner NUCTECH CO LTD
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