An analytical metering device and a liquid analysis system

A metering device and liquid technology, applied in the field of fluid analysis, can solve problems such as inaccurate liquid metering, achieve the effects of reducing the length and surface area of ​​the pipe wall, reducing the probability of residual liquid film or hanging on the wall, and improving accuracy

Active Publication Date: 2017-01-04
侯文婷
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Problems solved by technology

[0004] In view of this, the present invention provides an analytical metering device and a liquid analysis system, the main purpose of which is to solve the problem of inaccurate liquid metering and to achieve accurate metering of different volumes of liquid, and to improve the measurement accuracy of the liquid analysis system

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  • An analytical metering device and a liquid analysis system
  • An analytical metering device and a liquid analysis system
  • An analytical metering device and a liquid analysis system

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Embodiment Construction

[0045] In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the specific implementation, structure, features and effects of the application according to the present invention will be described in detail below with reference to the drawings and preferred embodiments. . In the following description, different "one embodiment" or "embodiment" do not necessarily refer to the same embodiment. In addition, specific features, structures, or characteristics in one or more embodiments may be combined in any suitable form.

[0046] Such as figure 1 As shown, an analysis and measurement device provided by an embodiment of the present invention includes:

[0047] The first control valve 1, the reaction analysis device 2, the metering pipe 3, the second control valve 4, and the fluid driver 5. among them,

[0048] The first control valve 1, which includes a common port 11 and a plurality of distribution ports 12 ...

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Abstract

The invention discloses an analyzing and metering device and a liquid analysis system, relating to the technical field of fluid analysis and aiming to solve the problem of inaccuracy in liquid metering and achieve accuracy in metering of liquids in different volumes, thus improving the measurement accuracy of the liquid analysis system. The analyzing and metering device mainly comprises a first control valve, a reaction analysis device, a metering tube and a fluid driver, wherein the first control valve comprises a public port and a plurality of distribution ports which can be alternatively communicated with the public port; the plurality of distribution ports include at least one blind hole port and an air port communicated with the atmosphere; the reaction analysis device is provided with a first channel opening and a second channel opening; the metering tube is connected between the public port and the first channel opening; a first connecting tube orifice is formed in the wall of the metering tube and is connected with a first waste liquid tube by a second control valve; the inner diameter of the metering tube is less than 4mm; the fluid driver is connected with the reaction analysis device. The analyzing and metering device is mainly used in the technical field of chemical analysis instruments.

Description

Technical field [0001] The invention relates to the technical field of fluid analysis, in particular to an analysis and measurement device and a liquid analysis system. Background technique [0002] In chemical analysis instruments, the design of the liquid path measurement system is extremely important, and it directly affects the accuracy of the analysis results. The existing liquid analysis system is generally provided with an analysis and measurement device for measuring the collected liquid sample, and the liquid is accurately measured through the analysis and measurement device to ensure the measurement accuracy of the liquid analysis system. [0003] In the prior art, the liquid measurement method mostly uses a liquid storage unit for transfer. However, when the liquid volume in the reaction analysis device is greater than the volume of the liquid storage unit, this measurement method requires more than one transfer operation to be performed back and forth. These transfer st...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/00
Inventor 肖巍
Owner 侯文婷
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