Method and apparatus for monitoring safety glass production or controlling a treatment process

A safety glass and glass technology, applied in glass manufacturing equipment, glass transportation equipment, glass tempering, etc., can solve the problems of expensive detectors, poor dimensional accuracy, and inability to provide reliable information on the size of glass sheets

Inactive Publication Date: 2006-04-12
玻石服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

A detector consisting of discrete sensors is expensive and it does not have good dimensional accuracy
Discret

Method used

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  • Method and apparatus for monitoring safety glass production or controlling a treatment process
  • Method and apparatus for monitoring safety glass production or controlling a treatment process

Examples

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Embodiment Construction

[0018] The flat glass to be tempered, having the desired shape and size, is placed on a conveyor belt consisting of rollers 4 of the loading table 1 , whereby the glass load is conveyed to the conveyor belt of rollers 5 in the furnace 2 . Heating of the glass load takes place, for example, via resistors 3 arranged above and below the conveyor belt 5 . Other types of known heat sources may also be used. One example that may be mentioned is the convection blower. The heating element 3 may comprise both a radiant heating element and a convective heating element as a combination.

[0019] For heating control and other purposes described subsequently, it is advantageous to have as comprehensive a knowledge of the information indicative of the loading, in particular the loading rate, position, shape and size of the glass panels. Thus, in figure 1 In the embodiment shown, towards the downstream end of the loading table 1, a short section of the conveyor belt is enclosed within a h...

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PUM

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Abstract

The invention relates to a method and a device for monitoring the production of safety glass or controlling a process, such as a tempering process. The information representing the loading of the glass panels is used to control processes, such as heating of the glass panels, or to monitor production. This information includes at least one of: shape, size and position, and is read by one or more cameras (6). This is possible because the glass can be seen with reflected light when high intensity light is applied to the glass surface. The line scan camera (6) is used to receive low-intensity background light radiation incident through the glass transmission plane, a large increase in light intensity is considered to be present due to the reflection of the light by the glass.

Description

Background technique [0001] The present invention relates to a method for monitoring the production of safety glass or controlling a process by means of information indicative of glass panel loading, the method comprising conveying flat glass through at least one process and, prior to the process, reading representative glass panels load and is used to control production or process parameters or to record and monitor data related thereto. [0002] The invention also relates to an apparatus for monitoring the production of safety glass or controlling the process by means of information indicative of the loading of the glass panels, said apparatus comprising a furnace in which the glass panels are heated for tempering or thermal strengthening A heating device, a loading table, a roller conveyor for conveying the glass panels from the loading table into the furnace, and a detector located above or below the conveyor belt to read information indicating the loading of the glass pan...

Claims

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Application Information

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IPC IPC(8): C03B29/08C03B27/044C03B35/16
CPCC03B27/0417C03B29/08C03B35/167
Inventor T·扬胡宁
Owner 玻石服务有限公司
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