Automatic microweighing system and method

A micro-weighing and automatic technology, which is applied in the direction of weighing, measuring devices, and weighing equipment with special properties/forms, etc., can solve problems that are difficult to achieve, difficult to promote, and expensive, and achieve convenient operation, The effect of reducing manpower input and improving weighing accuracy

Active Publication Date: 2016-06-08
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For micro weighing, the accuracy often needs to be accurate to one thousandth of a gram or even one ten thousandth of a gram, which is difficult to achieve for manual

Method used

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Examples

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Example Embodiment

[0021] The present invention will be further elaborated and illustrated below in conjunction with the accompanying drawings and embodiments. The technical features of the various embodiments of the present invention can be combined accordingly without conflict with each other.

[0022] The working principle of the automatic control micro-weighing system and method of the present invention is: the diameter of the gear is tangent to the lower part of the funnel, when the gear is stationary, the sample will be stored in the sample addition funnel; when the gear starts to rotate, the sample will pass through the gear The gap enters the sample cup, and the precision requirements of sample micro-weighing are achieved by controlling the rotation state and the static state of the gear; the rotation state or the static state of the gear is controlled by the controller transmitting a signal, and the micro-control and precision control are realized. automation.

[0023] Such as figure 1 with 2

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Abstract

The invention discloses an automatic microweighing system and method. The system comprises a sample adding hopper, a gear, a controller, a movable door, a sample cup, a gravity sensor, a base and a shell. The base is arranged at the bottom of the shell. The sample adding hopper is arranged inside the shell. The top of the sample adding hopper is used as a feed inlet. The bottom of the sample adding hopper is provided with the sample cup used for containing materials. The neck of the sample adding hopper is provided with the gear controlled by the controller to rotate. The gear is in interference fit with the neck of the sample adding hopper, so that materials in a horn opening in the sample adding hopper are completely blocked to the position above the gear when the gear is not rotated; when the gear rotates, the materials in the horn opening in the sample adding hopper are clamped by tooth grooves between gear teeth to the position below the gear and fall into the sample cup; the sample cup is arranged on the gravity sensor. According to the automatic micro-weighing system and method, weighing time is greatly shortened, efficiency is improved, fine control over samples is achieved, and weighing precision is improved; microweighing is automatically carried out, human input is greatly reduced, operation is convenient, durability and persistence are achieved.

Description

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Claims

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Application Information

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Owner ZHEJIANG UNIV
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