Automatic sample injection system
An injection system, automatic technology, applied in the direction of laboratory containers, instruments, measuring devices, etc., can solve the problem that the sample cannot be placed in the sampler, etc.
Pending Publication Date: 2022-04-19
SHIMADZU SEISAKUSHO CO LTD
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- Description
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- Application Information
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Problems solved by technology
[0003] In addition, there is a limit to the number of vials that can be placed on the turret of the sampler, and when the number of samples is large, it is not possible to place all the samples in the sampler.
Method used
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[0022] One embodiment of the automatic sample injection system of the present invention will be described below with reference to the drawings.
[0023] like figure 1 As shown, the automatic sample injection system 1 includes a sampler 2 , a sampler 4 , and a management device 6 .
[0024] The sample injector 2 is a device that is arranged on the gas chromatograph and injects a sample into an injection port provided on the upper surface of the gas chromatograph.
[0025] The sampler 4 is a device for supplying sample vials V containing liquids such as samples, solvents, and cleaning solutions to the sampler 2 as needed, and is additionally installed on the side of the sampler 2 .
[0026] The management device 6 is a device for managing the overall operation of the automatic sample injection system 1 including the sample injector 2 and the sampler 4, and is realized by a general-purpose personal computer or a dedicated computer equipped with a CPU and an information storage ...
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The invention relates to an automatic sample injection system. The supply of a sample bottle from a sampler to a sampler is normally performed regardless of the type of the sample bottle. The automatic sample injection system is provided with at least a sample injector for performing a sample injection operation on an analysis device, and the sample injector is provided with: a turntable on the upper surface of which a plurality of sample bottle receiving holes are provided on the same circumference, the turntable rotating so that each of the plurality of sample bottle receiving holes moves so as to draw a circumferential trajectory; the plurality of sample bottle receiving holes are arranged corresponding to various types of sample bottles in order to receive various types of sample bottles with different sizes; and a control unit for controlling the operation of the turntable, the control unit being configured so as to identify the size of the sample bottle to be supplied when the sample bottle is supplied from the sampler to the sampler when the sampler for supplying the sample bottle to the sampler is provided, and to determine the size of the sample bottle to be supplied when the sample bottle is supplied from the sampler to the sampler. A sample bottle receiving hole corresponding to a sample bottle to be supplied is disposed at an intersection position set on a circumferential trajectory.
Description
technical field [0001] The invention relates to an automatic sample injection system for gas chromatography analysis. Background technique [0002] There is known an automatic sample injection device (hereinafter referred to as a sampler) that automatically injects a sample into a gas chromatograph (see Patent Document 1). The sample injector includes a movable turntable on which a plurality of vials containing samples are placed, and a syringe for aspirating samples from the vials placed on the turntable. When injecting a sample into the gas chromatograph, the turntable moves to arrange the sample bottle containing the target sample at a predetermined position, and the sample in the sample bottle arranged at the predetermined position is sucked into the syringe and injected into the analysis device. [0003] In addition, there is a limit to the number of sample vials that can be placed on the turret of the sampler, and when the number of samples is large, all the samples c...
Claims
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IPC IPC(8): G01N30/24
CPCG01N30/24G01N2035/0441G01N2035/0465G01N2035/0493G01N35/04G01N35/1095G01N35/1081B01L2300/08B01L3/50855
Inventor 福岛大贵
Owner SHIMADZU SEISAKUSHO CO LTD