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Laminar flow meter

A technology of laminar flowmeter and sheet flow, which is applied in volume measurement, liquid/fluid solid measurement, fluid flow detection by measuring pressure difference, etc. It can solve the problems of poor accuracy of laminar flowmeter and high requirements for working conditions, and achieve measurement The effect of accurate data and elimination of technical bias

Pending Publication Date: 2022-05-13
陕西易度智能科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a laminar flow meter, which solves the technical problems of poor accuracy and high working conditions of the laminar flow meter in the prior art

Method used

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Embodiment 1

[0024] Such as figure 1 As shown, a laminar flow meter includes: the laminar flow meter includes a fluid detection module 1 and a measurement calculation module 2 placed outside the fluid detection module 1;

[0025] The fluid detection module 1 includes a housing 11, a laminar fluid 12 matched with the housing 11, and the laminar fluid 12 includes a number of stacked laminar flow units;

[0026] Measurement calculation module 2 comprises temperature sensor 21, front pressure sensor 22, rear pressure sensor 23, calculator 24, and calculator 24 is connected with the data end of temperature sensor 21, front pressure sensor 22, rear pressure sensor 23; The detection ends of the sensor 21 , the front pressure sensor 22 and the rear pressure sensor 23 are connected to the fluid detection module 1 .

[0027] The above embodiments are described below. The main element of laminar flowmeter is laminar fluid 12, also known as laminar flow unit, laminar flow element, the main purpose i...

Embodiment 2

[0030] Such as Figure 1-3 As shown, on the basis of Embodiment 1, this embodiment makes the following improvements: the housing 11 and the laminar fluid 12 that cooperates with the housing 11 are specifically, the two sides of the laminar fluid 12 that are in contact with the housing 11 are respectively provided with convex The housing 11 is provided with a recess 111 at a position corresponding to the protrusion 121 .

[0031] Since the laminar fluid 12 is formed by overlapping and stacking laminar flow units, it faces the technical problem that the laminar flow units are fixed to each other without displacement. In the prior art, some adhesives are used for bonding, but because the adhesive itself has a thickness, the relevant parameters are not unique and difficult to determine; some are fixed by bolts and nuts, but this method is more common in The case where the laminar fluid separates from the shell. When the laminar fluid is separated from the shell, the fluid will f...

Embodiment 3

[0036] Such as Figure 1-4 As shown, on the basis of the above-mentioned embodiment, the improvement of this embodiment is: the upper flow sheet 122 and the lower flow sheet 124 are both provided with a front pressure measuring hole 125 and a rear pressure measuring hole 126, and the upper flow sheet 122 is provided with a front pressure measuring hole 126. The pressure measuring hole 125 and the rear pressure measuring hole 126 are in the same position as the front pressure measuring hole 125 and the rear pressure measuring hole 126 provided on the lower laminar flow sheet 124, forming a front pressure measuring channel through the upper laminar flow sheet 122 and the lower laminar flow sheet 124 in the vertical direction. hole and the back pressure measurement through hole, the front pressure measurement through hole is connected with the front pressure sensor 22, and the rear pressure measurement through hole is connected with the rear pressure sensor 23.

[0037]The design...

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Abstract

The invention discloses a laminar flow meter which comprises a fluid detection module and a measurement and calculation module arranged outside the fluid detection module. The fluid detection module comprises a shell and a layer fluid matched with the shell, and the layer fluid comprises a plurality of overlapped and stacked layer flow units; the measurement and calculation module comprises a temperature sensor, a front pressure sensor, a rear pressure sensor and a calculator, and the calculator is connected with data ends of the temperature sensor, the front pressure sensor and the rear pressure sensor; and the detection ends of the temperature sensor, the front pressure sensor and the rear pressure sensor are connected with the fluid detection module. The technical problems that in the prior art, a laminar flow meter is poor in precision and high in working condition requirement are solved.

Description

technical field [0001] The invention relates to the field of flow measurement, in particular to a laminar flow meter. Background technique [0002] The laminar flow meter is designed based on Hagen-Poiseuille Law (Hagen-Poiseuille's law), and is a measurement tool for accurately measuring fluid flow. The laminar flow meters in the prior art use various methods to design the flow elements to transform the turbulent and disordered state of the fluid into a laminar flow state, but in actual use, there are problems of poor stability and low precision to varying degrees. Secondly, most laminar flow meters separate the shell, laminar flow components and computing modules. Although the manufacturing difficulty is reduced, the size is too large and the degree of integration is low, making it difficult to promote and use on a large scale. There are also some new technologies that have been applied to laminar flow meters, but mass production has not yet been achieved. The dispersion ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/34G01F15/00
CPCG01F1/34G01F15/00
Inventor 张凯张铭哲
Owner 陕西易度智能科技有限公司
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