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Anti-interference material detection method and system

A material detection and material technology, applied in the direction of optical device exploration, etc., can solve problems such as material misjudgment, and achieve the effect of improving accuracy

Active Publication Date: 2019-07-19
SWISSMIC SHENZHEN LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this method, the light wave transmitter and the light wave receiver are set one-to-one, that is, there is no additional set of light wave receivers for comparison, so when the average value exceeds the limited range, it is impossible to judge that the change is caused by the material. Whether it is caused by entry, or caused by light intensity, temperature or other human factors, it is easy to misjudge the entry and exit of materials

Method used

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  • Anti-interference material detection method and system
  • Anti-interference material detection method and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1 of the present invention provides an anti-interference material detection method, which includes a light wave transmitter with a surface light source to transmit detection light waves to penetrate the edge of the light-transmitting material tray, a first light wave receiver, and a first light wave receiver The second light wave receiver of the control group, the first light wave receiver receives the detection light wave that penetrates the edge of the light-transmitting tray, and the second light-wave receiver receives the detection light wave that penetrates or does not pass through the light-transmitting tray. The above settings on the one hand It is possible to use the divergence characteristics of the surface light source, so that multiple light wave receivers can receive the detection light wave, so only one light wave transmitter needs to be installed when using it, which reduces the difficulty of installation and the cost of use; on the other hand, it...

Embodiment 2

[0037] Embodiment 2 of the present invention provides an anti-interference material detection method, including a light wave transmitter 20 with a surface light source to emit detection light waves to penetrate the edge of the light-transmitting material tray 1, a first light wave receiver 21, and a first light wave receiver 21 as a first The light wave receiver 21 is the second light wave receiver 22 of the control group; the first light wave receiver 21 receives the detection light wave that penetrates the edge of the optical material disc 1; 1 detection light wave; the specific steps are as follows:

[0038] Step S201: the light wave emitter emits the detection light wave.

[0039] Step S202: Obtain the first received signal received by the first light wave receiver and the second received signal received by the second light wave receiver.

[0040] Step S203: Input the judgment result according to the first received signal, the second received signal and the preset materia...

Embodiment 3

[0056] Embodiment 3 of the present invention provides an anti-interference material detection method, including a light wave transmitter 20 with a surface light source to transmit detection light waves to penetrate the edge of the light-transmitting material tray 1, a first light wave receiver 21, and a first light wave receiver 21 as a first The light wave receiver 21 is the second light wave receiver 22 of the control group; the first light wave receiver 21 receives the detection light wave that penetrates the edge of the optical material disc 1; 1 detection light wave; the specific steps are as follows:

[0057] Step S301: the light wave emitter emits the detection light wave.

[0058] Step S302: Obtain a first received signal received by the first light wave receiver and a second received signal received by the second light wave receiver.

[0059] Step S303: Input the judgment result according to the first received signal, the second received signal and the preset materia...

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Abstract

The invention relates to an anti-interference material detection method and system. The method comprises the following steps: transmitting, by a light wave transmitter, a detection light wave to obtain a first receiving signal received by a first light wave receiver and a second receiving signal received by a second light wave receiver, and further inputting a judgment result according to the first receiving signal, the second receiving signal and a preset material entry and exit judgment rule. Therefore, whether a material is stored is determiend quickly, and meanwhile, the accuracy of material detection is greatly improved.

Description

technical field [0001] The invention relates to the technical field of material detection, and more specifically, to an anti-interference material detection method and system. Background technique [0002] In order to improve the management efficiency of material entry and exit, many enterprises have replaced the previous manual registration method with automatic detection system. In the SMT industry, the specific working process of the automatic detection system is as follows: the light wave transmitter sends out the detection light wave, and the detection light wave will attenuate during the propagation process. By averaging the light wave wavelength received by the light wave receiver within a certain period of time, Then compare the average value with the preset limit range. If the average value exceeds the limit range, it is judged that the light wave receiver has been blocked by the material, indicating that there is material entering at this time. On the contrary, if ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V8/20
CPCG01V8/20
Inventor 吴琼仑
Owner SWISSMIC SHENZHEN LTD