High-precision impulse plate flow meter

A flushing plate flowmeter, high-precision technology, applied in the direction of volume/mass flow generated by mechanical effects, dynamic effects by detecting fluid flow, etc., can solve the problems of difficult long-term stable operation, unreasonable structure, etc., and achieve horizontal force transmission Long-term accuracy, simple processing and manufacturing, easy installation and maintenance

Active Publication Date: 2014-07-30
陈立明
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Problems solved by technology

[0003] In order to overcome the deficiency that the existing punching plate flowmeter is difficult to work stably for a long time in a harsh environment due to its unreasonable structure, the present invention provides a high-precision punching plate flowmeter that can still work stably for a long time in a harsh environment, and can meet dynamic The measurement error is kept stable at 1%

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings.

[0025] Parts among the present invention are conventional commercially available products unless otherwise specified.

[0026] The high-precision punching plate flowmeter provided by the present invention includes a blanking box 4 with a material inlet diversion groove 1 arranged on it, a discharge port 5 arranged below it, and an inclined impulse plate 2 is arranged inside it, and a force sensor 14, Wherein the inclined impact plate 2 is supported in the blanking box 4 through the parallel hinge mechanism 3 at its lower part, and is matched with the load cell 14 outside the blanking box 4 through the horizontal force transmission push rod 17 at its side; The hinge mechanism 3 includes a vertical plate 21, the upper end of the vertical plate 21 is fixed with an upper hinge shaft 20, and the front and rear ends of the upper hinge shaft 20 are fixed on the fixing part of...

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Abstract

The invention provides a high-precision impulse plate flow meter which comprises a blanking box with an upper feeding diversion trench, a lower discharge port and an inner oblique impulse plate, as well as a force transducer, and is characterized in that the oblique impulse plate is supported in the blanking box by a parallel hinge mechanism at the lower part of the oblique impulse plate and is connected with the force transducer outside the blanking box through a horizontal force transmission pushing rod at the side part of the oblique impulse plate in a matching way at the same time. Through the high-precision impulse plate flow meter, only horizontal component force which is generated in the horizontal direction and is in direct proportion to the flow rate is accurately transmitted to the force transducer so as to obtain an interference-free clear original flow rate signal; component force, eccentric impact torque and other interference forces in the vertical direction are transmitted by the parallel hinge mechanism to the bottom of the blanking box so as to be naturally balanced; the problem of zero drift caused due to tare weight change generated by damp sticky materials and the like is solved; and the high-precision impulse plate flow meter can stably work for a long time, and the actual measurement precision is within 1 percent.

Description

technical field [0001] The invention relates to a punching plate flowmeter, which is a punching plate flowmeter capable of continuous dynamic and high-precision measurement in the production process of industrial powder, and belongs to flow measurement and detection devices used in quantitative delivery of industrial powder. Background technique [0002] In industrial production, it is often necessary to dynamically and continuously measure the powder or fine bulk materials conveyed in the process, so as to achieve the purpose of precise quantification and control of powder or fine bulk materials. The existing punching plate or sliding plate flowmeter has the characteristics of simple structure and fast response, but due to structural defects in the force measuring mechanism and force sensing method, it is used in harsh environments such as humidity, high temperature and vibration. When the measured material passes through, it is easy to cause the mechanism to be damp and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/30
Inventor 陈立明
Owner 陈立明
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