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A flow monitoring system and flow monitoring method

A flow monitoring and flow rate technology, which is applied in fluid pressure actuation system testing, fluid pressure actuation devices, mechanical equipment, etc., can solve the problems that it is difficult to ensure the continuous change of flow and pressure, and the consistency of initial input, etc., to achieve Guarantee continuity and integrity, improve the effect of measurement accuracy

Active Publication Date: 2022-06-24
WEICHAI POWER CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conventional segmented flow collection cannot perform continuous high-precision flow collection, neither can guarantee the consistency of the initial input of each flow, and it is difficult to ensure the continuous change of flow and pressure due to oil circuit switching

Method used

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  • A flow monitoring system and flow monitoring method
  • A flow monitoring system and flow monitoring method

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Embodiment Construction

[0026] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

[0027] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element mu...

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Abstract

The invention discloses a flow monitoring system and a flow monitoring method, and relates to the technical field of flow monitoring. The flow monitoring system includes a liquid inlet, a liquid outlet, a first range flow meter and a second range flow meter. At least two branch flow paths are arranged between the liquid inlet and the liquid outlet; the range of the first range flowmeter is greater than that of the second range flowmeter; the first range flowmeter is arranged on the confluent flow path of at least two branch flow paths , the second range flowmeter is set on one of the branch flow paths, when the liquid flow rate is within the range range of the second range flowmeter, the liquid only passes through the branch flow path where the second range flowmeter is located; when the liquid flow rate is greater than the second range flowmeter When the range of the flowmeter is within the range, the liquid is diverted through at least two branch flow paths and then returned to the confluence flow path. The flow monitoring system can monitor the whole process of the continuous change of the liquid flow from small to large, which is beneficial to the flow characteristic test of valve products.

Description

technical field [0001] The invention relates to the technical field of flow monitoring, in particular to a flow monitoring system and a flow monitoring method. Background technique [0002] During the operation of the hydraulic system, it is often necessary to monitor the continuous change process of the flow from small to large. For example, in the P / Q characteristic test of the relief valve, it is necessary to pay attention to the small flow range of the relief valve to evaluate its opening rate and closing rate. It is also necessary to pay attention to its large flow range to evaluate the pressure gain of the relief valve in the large flow section. Positive displacement flowmeters are widely used in the industry because of their high measurement stability and high measurement accuracy. However, large-scale positive displacement flowmeters often have too large a volume corresponding to a single flow pulse signal, and their small flow sections often have monitoring blind sp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B19/00
CPCF15B19/00
Inventor 徐翊杰王子英杨飞王晓虎谢欣武
Owner WEICHAI POWER CO LTD
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