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Liquid recognition and detection automatic sample injector with adjustable temperature

An automatic liquid identification and detection technology, applied in instruments, analytical materials, etc., can solve the problems of low detection accuracy, difficult temperature control of liquid identification and detection devices, etc., and achieve the effect of high test accuracy and good data repeatability.

Inactive Publication Date: 2012-04-18
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the shortcomings of existing liquid identification and detection devices, such as difficult temperature control and low detection accuracy, and provide a liquid identification and detection automatic sample injector that can realize the adjustable temperature of the detection sample

Method used

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  • Liquid recognition and detection automatic sample injector with adjustable temperature
  • Liquid recognition and detection automatic sample injector with adjustable temperature
  • Liquid recognition and detection automatic sample injector with adjustable temperature

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Embodiment Construction

[0015] As shown in the attached figure, the liquid identification and detection autosampler with adjustable temperature includes frame 1, sample injection assembly, detection assembly, temperature adjustment assembly, and control system. The other end of the frame 1 is provided with a temperature control assembly, and the middle of the frame 1 is provided with a sampling assembly; Sample injection stepper motor 31, timing belt 32, positioning pin 34, driven synchronous wheel 35, sleeve seat 36, shaft 37, thrust bearing 38, set screw 40; sleeve seat 36 is fixed on the bottom of frame 1, and shaft 37 passes through The thrust bearing 38 is vertically installed in the sleeve 36, and one end of the shaft 37 is higher than the upper surface of the frame 1, and the driven synchronous wheel 35 is installed at the end of the shaft 37 and locked with the shaft 37 by a set screw 40; 31 is fixed on the lower part of the frame 1, the output shaft of the sampling stepper motor 31 is higher...

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Abstract

The invention discloses a liquid recognition and detection automatic sample injector with adjustable temperature. The sample injector is composed of a frame, a sample injection assembly, a detection assembly, a temperature-adjusting assembly and a control system; the sample injection assembly is provided with a supporting plate, a supporting frame, a water bath pool, a locating plate, a driving synchronizing wheel, a sample injection stepping motor, a synchronizing belt, a driven synchronizing wheel and the like; the water bath pool is fixed on the driven synchronizing wheel, the bottom of the water bath pool is provided with a locating gage mark, the supporting plate, the supporting frame and the locating plate are fixed in the water bath pool after being connected rigidly; the temperature-adjusting assembly is provided with a heater, a refrigerator, a refrigerating heat exchanger, a stirrer, a stirring motor, a temperature control bracket and the like; a spiral heater and the refrigerating heat exchanger are concentrically fixed below the temperature control bracket, the stirring motor is mounted above the temperature control bracket, the stirrer is fixed on the stirring motor, and a through axis of the stirrer is coincident with the central line of the heater. The automatic sample injector provided by the invention can be used for carrying out constant-temperature detectionon samples under a set constant temperature condition at different environment temperatures; the temperature is adjustable, the samples are automatically injected and the testing precision is high.

Description

technical field [0001] The invention relates to liquid physical property detection equipment, in particular to a liquid identification and detection automatic sample injector with adjustable temperature, which is used for liquid identification, detection and analysis, automatic feeding of the sample device, controllable sample temperature and high detection accuracy. Background technique [0002] The liquid identification and detection device is an intelligent bionic system that uses a liquid sensor array combined with a pattern recognition method to identify the object to be tested, so as to analyze, evaluate, and identify the physical properties of the liquid material. At present, there are systems such as electronic tongues for liquid identification and detection devices, but the existing detection equipment does not have a device to control the temperature of the sample. The sample detection is placed in a room temperature environment for detection and analysis. The diff...

Claims

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Application Information

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IPC IPC(8): G01N35/02G01N35/10
Inventor 王永维金伟丰王俊程绍明
Owner ZHEJIANG UNIV
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