一种可与气相色谱仪集成的样品富集捕集阱装置以及气相色谱检测系统

By integrating a sample enrichment trap device with a gas chromatograph, the challenges of trace analysis and communication connectivity in existing technologies have been solved, enabling efficient and accurate trace detection.

CN122409928APending Publication Date: 2026-07-17上海天美科学仪器有限公司 +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
上海天美科学仪器有限公司
Filing Date
2026-06-22
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing gas chromatography detectors cannot meet the needs of trace analysis, and the pretreatment devices are bulky and difficult to communicate with the gas chromatograph, which affects the test results and efficiency.

Method used

Design a sample enrichment trap device that can be integrated with a gas chromatograph, including an enrichment trap, a temperature control module, and a multi-way switching valve, to achieve automated adsorption, enrichment, and desorption of samples, and to achieve integrated operation through the temperature control, gas path, and electrical system of the gas chromatograph.

Benefits of technology

It reduces the dead volume of the equipment, lowers maintenance costs, improves the accuracy and stability of test results, and achieves sensitivity and versatility in trace detection.

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Abstract

本发明提供了一种可与气相色谱仪集成的样品富集捕集阱装置以及气相色谱检测系统,该装置包括:装置本体,装置本体的样品入口和样品出口之间形成用于样品流通的富集管线;安装支架,用于将装置安装于气相色谱仪上;富集阱,用于吸附样品中的目标组分;温度控制模块,用于向相色谱仪的控制主机发送富集阱的当前温度,以及接收控制主机的控制指令进行富集阱的温度调节;多路切换阀,用于在控制主机控制下,使富集管线连通至气相色谱仪的采样线路、富集线路、脱附线路中的任意一条线路。该方案能够大幅减少系统检测线路死体积,且集成了与气相色谱设备间的通讯,使得测试结果更灵敏、准确、稳定,整个过程软件全反控,仪器操作使用便捷智能。
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