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Level measuring device

A technology for level measurement and measurement cable, which is applied in the direction of displaying liquid level indicators through weight measurement, can solve problems such as adverse consequences of measurement work, failures, and damage to the level measurement device, and achieves simple structure, cost saving, and measurement. Precise results

Active Publication Date: 2016-11-30
ANHUI UNIV OF SCI & TECH
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Problems solved by technology

In the process of measuring work, due to the influence of dust, some parts in the measuring device may break down. If the heavy hammer cannot stop running due to the above-mentioned failure during the rising process, the heavy hammer will keep rising until it is broken. The entire level measuring device, which has adverse consequences for the measuring work

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Embodiment Construction

[0048] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0049] 1. The first embodiment of the present invention

[0050] refer to figure 1 , the top of the bin 10 is adjacent to a fixed bracket 17 and a cylindrical hoisting bracket 16, the fixed bracket 17 is fixed with a motor 11, the output shaft of the motor 11 is sleeved with a winding reel 12, and the winding reel 12 is provided with Wire groove 18 is arranged, and measurement cable 14 is fixed in wire groove 18, tension sensor or load cell 30 is hung on the top of hoisting bracket 16, pulley 13 is hung below tension sensor or load cell 30, and the free end of measurement cable 14 Go around pulley 13 and link to each other with weight 15;

[0051] At least two prot...

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Abstract

The invention discloses a material level measuring device for measuring the height of the material level of a solid silo. The material level measuring device includes a weight, a PLC, a lifting mechanism for driving the weight up and down, a position measuring device for measuring the displacement of the weight, and Sensing device for sensing weight change of heavy object, said lifting mechanism, position measuring device and sensing device are respectively electrically connected with PLC, this device also includes over protection device, used for limit protection in the process of lifting heavy object, said The overprotection device is electrically connected with the PLC. This device is suitable for level measurement of solid silos with harsh environments and a lot of dust. It is equipped with an over-protection device for limit protection when heavy objects rise. This device is not easily affected by dust during the measurement process, and the measurement results are accurate. The invention has the advantages of low cost, strong anti-interference ability, simple structure, convenient operation, high safety and reliability.

Description

technical field [0001] The invention relates to the technical field of level measurement, in particular to a level measurement device for level measurement of a solid silo. Background technique [0002] At present, there are a variety of level measuring instruments on the market, and the applicable environments are also different due to the different silo devices. [0003] The solid silo is a container for storing solid loose materials, but when solid materials such as lime powder, coal, grain, etc. enter the silo, a large amount of dust will be generated, and laser measurement or ultrasonic measurement will be interfered by other factors such as dust, concave-convex surface, etc., thus It will affect the accuracy of the measurement results, and when the dust in the silo is serious, it will cause the instrument to fail. Although the above-mentioned problems can be overcome by using a 3D level scanner, its cost is too high. [0004] Therefore, in the solid silo, a heavy ham...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F23/20
Inventor 朱宏政刘海增朱金波闵凡飞陆向阳
Owner ANHUI UNIV OF SCI & TECH
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