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Rods on-line counting method and device

A counting method and technology of counting device, which are applied in the direction of counting objects, counting of stacked items, counting mechanism/items, etc., can solve the problems of inconvenient setting of support frames, affecting the practicality of the device, affecting accurate counting, etc., so as to achieve simple and reliable equipment and avoid Effects of Influence and Transformation, Guaranteed Accuracy

Inactive Publication Date: 2005-04-20
CENT SOUTH UNIV +2
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  • Description
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Problems solved by technology

Its disadvantage is that when there are multiple rods stacked, the number of light-transmitting gaps between the rods is an uncertain number, which will affect its accurate counting
In addition, the electromagnetic crane used to process unqualified bars at the production site often needs to run close to the transmission chain bed, and it is not convenient to install the above-mentioned support frame; and the lamp tube installed under the transmission chain bed is easily polluted and damaged by falling objects. Thus affecting the practicality of the device

Method used

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  • Rods on-line counting method and device
  • Rods on-line counting method and device

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with accompanying drawing.

[0014] exist figure 1 In the device shown:

[0015] The horizontal distance between the light source 1 and the end of the rod 2 is 50 to 300 mm; it is located below the plane of the chain bed 3, and the angle with the plane is adjusted within 5-45 degrees to avoid the upper side of the rod 2 from being irradiated; the lighting lamp The power is 20-100W. The light source 1 can be a fluorescent lamp or a halogen lamp, preferably a colored light source, such as red, green, yellow, blue or black light. Colored light sources make it easier than white light sources to distinguish the illuminated bar ends from the ambient light illuminated bar sides. The light source 1 usually adopts a lamp tube and is placed horizontally to uniformly illuminate the end face of the rod within the field of view to ensure the clarity of the image. The light source 1 is equipped with a shading co...

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Abstract

A bar on-line counting method and a device is suitable for counting the being transported bars. A camera device collects the end images of site bars to process the images, identifies modes and picks up the central coordinates of all bars in the picture, continuously compares the central coordinates of each bar in the image and utilizes relative shift volumes to carry out statistics of alignment and fault tolerance degree of belief one by one to measure numbers of the bars to increase the accuracy of bar counting in transportation and overcome the influence resulted in stacking multiple bars.

Description

technical field [0001] The invention relates to a method and a device for counting bars shipped by a conveying device. Background technique [0002] The bar products rolled by domestic iron and steel enterprises are generally packaged in bundles, and the bars on the conveyor chain bed must be accurately counted and counted before bundling. Since the production site adopts the process of cutting multiple bars at the same time, the stacking and overlapping of bars on the conveyor chain bed is inevitable. Therefore, the current common photoelectric counting technology and mechanical counting technology cannot guarantee accurate counting, and the latter needs to be compared. Large-scale equipment renovation. [0003] Recently, the invention (patent application number is 03100566) called "rod material automatic counting system" discloses a technology that adopts a linear array CCD camera for counting. The plan is: install fluorescent tubes between the chains at the bottom of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06M1/272G06M9/00
Inventor 罗三定贾维嘉温德智沙莎黄胜多曾政陈屏璋
Owner CENT SOUTH UNIV
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