Redundancy weighing sensor

A weighing sensor and redundant technology, applied in the direction of weighing equipment testing/calibration, instruments, weighing, etc., can solve the problems of single sensor, no redundant function, etc., and achieve the effect of increasing reliability

Inactive Publication Date: 2016-06-15
无锡研测技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But it is a single sensor and does not have redundant functions

Method used

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Embodiment

[0024] refer to figure 1 and figure 2 , a kind of redundant weighing sensor, comprises spherical bearing pressure head 1, spoke beam type elastic body 2 and resistance strain gage 3, and spoke beam type elastic body 2 is made up of wheel hub 21, wheel spoke 22 and wheel tire 23, and described wheel hub 21 Located at the center of the inner ring, the tire 23 is located at the outer ring, and the spokes 22 are provided with eight, evenly distributed and connected between the hub 21 and the spokes 23, the whole is like a wheel.

[0025] The spherical bearing pressure head 1 is closely attached to the spoke beam type elastic body 2, which mainly plays the roles of anti-eccentric load, anti-torsion and anti-side. The resistance strain gauges 3 are installed in the spoke beam elastic body 2, and are respectively pasted on the two sides of the spokes 22 in the direction of tension and in the direction of compression. The resistance strain gauges 3 in the two directions respectively...

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Abstract

The invention discloses a redundant weighing sensor, which comprises a spherical bearing pressure head, an elastic body and a resistance strain gauge, the spherical bearing pressure head is closely attached to the elastic body, and the resistance strain gauge is installed on the elastic body. In the body, they are respectively pasted on the two sides of the elastic body in the direction of tension and the direction of compression, and the resistance strain gauges in the two directions form two or more independent force-measuring detection circuits. The elastic body is a spoke-beam structure consisting of a hub, spokes and tires. The hub is located at the center of the inner ring, the tire is located at the outer ring, and the spokes are evenly distributed and connected between the hub and the spokes. The external force acts on the top of the hub and the bottom of the tire through the spherical load-bearing head, and the spokes between the tire and the hub are subjected to pure shear force, and the load is indirectly measured by measuring the force. The invention has redundant force-measuring detection circuits, and when one of them fails, it can still output correct force-measuring results.

Description

【Technical field】 [0001] The invention relates to the technical field of weighing equipment and sensors, in particular to a redundant weighing sensor for weighing equipment. 【Background technique】 [0002] A load cell is a device that converts a mass signal into a measurable electrical signal output. It is mainly used in the occasion of weighing and measuring force, such as platform scales, platform scales and other related weighing equipment. Also used for tension machines, presses, and other force testing equipment. However, the traditional load cell has only one force measurement output, and it cannot work when a failure occurs. [0003] At present, the existing technologies are single-channel force measurement output, without redundant force measurement function. For example, the invention patent "multi-range digital electronic truck scale" application number: 201110333147.9, although multiple elastic bodies with different ranges are made into one body, it can automati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01G3/14G01G23/01
CPCG01G3/1414G01G23/01
Inventor 王卫东刘伟
Owner 无锡研测技术有限公司
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