An inspection device for a gas analyzer system
A gas analyzer and inspection device technology, applied in the automotive field, can solve the problems of small application range, poor versatility, and high production cost, and achieve the effects of wide application range, low production cost, and short installation and commissioning cycle
Active Publication Date: 2019-07-05
WEICHAI POWER CO LTD
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Problems solved by technology
[0006] First, because the upgrade of the gas analyzer needs to be carried out by a professional equipment manufacturer based on the existing gas analyzer, the installation and commissioning cycle takes about two months, resulting in high production costs for this test device;
[0007] Second, this test device needs to change the internal structure of the gas analyzer itself, that is to say, the test device is integrated with the gas analyzer and can only target the performance of this gas analyzer, resulting in a very small range of use
Therefore, the versatility of this test device is poor
Method used
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Embodiment Construction
[0034] The core of the present invention is to provide an inspection device for a gas analyzer, which can inspect multiple gas analyzers and greatly reduce the cost of the inspection device.
[0035] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0036] It should be noted that the orientation words "front, back, left, right" appearing in this article are as follows: figure 2 As shown in , these orientation words are established based on the drawings in the description, and their appearance should not limit the protection scope of the present invention.
[0037] Please refer to figure 2 , image 3 , figure 2 It is a structural schematic diagram of a specific embodiment of the inspection device of the gas analyzer provided by the present invention; image 3 for figure...
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The invention discloses an inspection device of a gas analyzer system. The inspection device comprises a sample gas input device, a pressure adjustment device and a main control unit, which are arranged at the outer part of a gas analyzer, wherein the sample gas input device comprises a sample gas input pipe which is communicated with a gas pipeline of the gas analyzer; the sample gas input pipe is provided with a zero-gas solenoid valve and a span gas solenoid valve; the pressure adjustment device is connected with the sample gas input device and is used for controlling sample gas input pressure; the main control unit is connected with the sample gas input device and the pressure adjustment device and is used for detecting and analyzing performance parameters of the gas analyzer. The sample gas input device, the pressure adjustment device and the main control unit are arranged at the outer part of the gas analyzer and are connected only through a pipeline, so that the inspection device not limited to one set of the gas analyzer but can be connected with any gas analyzer with a model matched with the inspection device; the plurality of sets of gas analyzers can be inspected and an application range is very wide.
Description
technical field [0001] The invention relates to the technical field of automobiles, in particular to an inspection device for a gas analyzer system. Background technique [0002] A gas analyzer is a process analysis instrument for measuring gas components. It mainly uses chemical methods to detect the concentration of sample gas. According to the type of sample gas to be detected, different chemical methods are used for sampling. Zero gas is a kind of standard gas, which is the gas to adjust the minimum scale of the gas analyzer, and it is displayed as zero when it enters the analyzer. Span gas is also a kind of standard gas, which is the gas that adjusts the maximum scale of the current range of the gas analyzer, and its nominal concentration is displayed when it enters the gas analyzer. System responsiveness is a parameter describing the response time, the time when the displayed value reaches 10%, 20%... or 90% of the final reading, commonly used T 10 , T 20 …T 90 to ...
Claims
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IPC IPC(8): G01N33/00
CPCG01N33/007
Inventor 肖志刚李晶宋海涛刘文梅李亚东
Owner WEICHAI POWER CO LTD