A method for judging the durability of a 0.2-grade electronic belt scale

A technology of electronic belt scale and determination method, which is applied in the direction of weighing equipment testing/calibration, etc., can solve the problem that the hopper scale cannot meet the long-term stability of the 0.2-level electronic belt scale, and saves assessment costs, space and space, and verification. short time effect

Active Publication Date: 2022-04-19
铜陵市三爱思电子有限公司
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Problems solved by technology

[0008] The technical problem to be solved by the present invention is that the existing hopper scales cannot satisfy the judgment on the long-term stability of the 0.2-grade electronic belt scale, so a method for judging the durability of the 0.2-grade electronic belt scale is provided

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  • A method for judging the durability of a 0.2-grade electronic belt scale

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[0020] The technical solutions in the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0021] A method for judging the durability of a 0.2-level electronic belt scale, which includes the following steps: regard each set of 0.2-level electronic belt scales as a high-precision measurement system, and select two electronic belt scales to be defined as A scale and B scale, Scale A and scale B are in the same state. When passing the first level 0.2 verification, record the system parameters at this time. The accumulated value of the same batch of materials running through the integer n circles of scales A and B is close to the same value, a...

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Abstract

The invention discloses a method for judging the durability of a 0.2-grade electronic belt scale, which includes the following steps: each set of 0.2-grade electronic belt scales is regarded as a high-precision measurement system, and two of the electronic belt scales are selected to be defined as A scales The state of scale A and scale B is the same as that of scale B. When passing the first verification of level 0.2, record the system parameters at this time. When running in empty mode, the difference Δ between the accumulated values ​​of scales A and B running integer n cycles, Compared with the difference Δ' when the electronic belt scale is normally conveying materials at the last time of the assessment period of the electronic belt scale, the beneficial effect of the present invention is that the direct detection that cannot be realized is converted into two electronic belt scales of the same batch of electronic belt scales The indirect comparison test with short verification time greatly saves the cost of the assessment and also saves the site and space of the production site; it can be carried out online without stopping production and does not affect normal production.

Description

technical field [0001] The invention relates to a method for judging the durability of a high-precision electronic belt scale, in particular to a method for judging the durability of a 0.2-level electronic belt scale in the settlement process of bulk material trade. Background technique [0002] The National Standard of the People's Republic of China GB / T7721-2017 "Continuous Accumulation Automatic Weighing Apparatus (Belt Scale)" has added the accuracy level of 0.2 products, and 0.2 has become the highest level of the current electronic belt scale. As an important assessment index of 0.2-level electronic belt scale, the method of durability has no effective method in the world. [0003] According to the OIML R50 international recommendation and the JJG195-2002 national verification regulations, it is recommended to use non-automatic weighing instruments for the selection of error requirements for "control weighing instruments". At present, most of the control weighing inst...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01G23/01
CPCG01G23/01
Inventor 徐厚胜詹怀球杨良忠文鑫龙陈建俞家伦
Owner 铜陵市三爱思电子有限公司
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