Filter assembly and liquid analysis device
A liquid analysis device and filter component technology, applied in the direction of filtration and separation, analysis materials, measuring devices, etc., can solve the problems of connection failure, tin rejection, blockage of sampling tubes, etc., and achieve the effect of low production cost and simple implementation
Inactive Publication Date: 2017-12-26
PEKING UNIV FOUNDER GRP CO LTD +1
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Problems solved by technology
The liquid medicine sample is pumped up by the pump in the automatic analyzer through the sampling tube. With the continuous production, nickel ions are precipitated in the nickel tank to form nickel slag and other impurities. The nickel slag and other impurities will enter the automatic analyzer through the sampling tube. In the analyzer, when the nickel slag passes through the automatic analyzer, it will cause deviation of nickel ions or block the sampling tube, resulting in inaccurate analysis of the nickel tank solution, resulting in confusion in the automatic addition of the solution, which brings a huge risk to product quality and leads to tin rejection Soldering failure such as tin shrinkage or component connection failure and other troubles, resulting in interconnection reliability problems
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[0041] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.
[0042] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways than described here. Therefore, the protection scope of the present invention is not limited by the specific implementation disclosed below. Example limitations.
[0043] A filter assembly and a liquid analysis device according to some embodiments of the present invention are described below with reference to the accompanying drawings.
[0044] Such as Figure 2 to Fi...
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The invention provides a filter assembly and a liquid analysis device. The filter assembly includes a body, a filter screen and a first end cap. The body is internally provided with a channel running through the body, and an outlet of the channel is connected to a sampling inlet of a sampling tube. The filter screen is disposed at an inlet end of the channel and covers the channel inlet. The first end cap is sleeved at one body end provided with the filter screen, and is connected to the same to fix the filter screen, wherein the first end cap is equipped with a through-hole communicated with the channel. According to the invention, the sampling inlet end of the sampling tube is equipped with the filter assembly, so that liquid can enter the sampling tube after passing the filter screen, thus preventing nickel slag and other impurities from blocking the sampling tube or causing inaccurate analysis result of a potion analyzer. Also the filter assembly has the characteristics of simple implementation and low making cost.
Description
technical field [0001] The invention relates to the field of liquid analysis, more specifically, to a filter assembly and a liquid analysis device including the filter assembly. Background technique [0002] At present, the liquid analysis device extracts the liquid in the container containing the liquid through the sampling tube for analysis. During the sampling process, impurities such as particles in the container are easy to block the sampling tube, such as the automatic nickel ion analysis device, the stability of the nickel-gold-nickel tank As the most critical factor, the nickel tank of the chemical gold line is generally equipped with an automatic analysis and addition system for the nickel tank solution. The principle is: the nickel tank solution in use is pumped to the automatic analysis and addition system through the sampling tube. Analyze the concentration of each chemical solution and the life of the nickel tank, and then automatically add agents A, B, and C, s...
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IPC IPC(8): B01D29/05G01N33/00
CPCB01D29/05G01N33/00
Inventor 曹磊磊
Owner PEKING UNIV FOUNDER GRP CO LTD