Edible oil drum surface laser spraying code detection device and method
A laser coding and detection device technology, which is applied in the field of detection and verification, can solve problems such as low background contrast, inability to recognize laser codes, and failure to meet the actual requirements of the production line.
Inactive Publication Date: 2017-01-04
河北省自动化研究所有限公司
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Problems solved by technology
This method is easily affected by personal vision, emotion, light and other factors; in addition, because the laser spray code is sprayed on the transparent material such as edible oil barrels, its low background contrast also causes great troubles for manual detection, and cannot Fast and accurate identification of wrong laser codes
With the wide application of "anti-counterfeiting code technology", laser coding with more and more information has brought new challenges to manual detection. Manual detection of coding on the surface of edible oil can no longer meet the actual requirements of the production line
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[0031] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0032] The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0033] Depend on figure 1 combine figure 2 As shown, this embodiment relates to a laser coding detection device on the surface of edible oil barrels, which detects the laser coding on the edible oil barrels 2 placed on the conveying line 1. Its main structure includes a main control unit 3, a coding An image acquisition unit 4 , an expulsion device 5 , and a character recognition unit 6 , a storage unit 7 , and a comparator 8 .
[0034] Wherein, the main control unit 3 realizes the information processing and control of the whole device, which can adopt a PC or a single-chip microcomputer with operation and processing functions. Coding image acquisition unit 4 carries out image acquis...
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The invention relates to an edible oil drum surface laser spraying code detection device and method. The detection device is used for detecting a laser spraying code of an edible oil drum on a conveyor line and comprises a master control unit, a spraying code image acquisition unit, a character recognition unit, a storage unit and a comparator, wherein the spraying code image acquisition unit is used for acquiring the image of the laser spraying code of the edible oil drum surface on the conveyor line and transferring the acquired image to the master control unit; the character recognition unit is connected to the master control unit so as to recognize the characters of the image received by the master control unit; the storage unit is connected to the master control unit and is used for storing standard character strings; and the comparator is connected to the master control unit so as to compare the characters recognized by the character recognition unit with the standard character strings stored in the storage unit under the control of the master control unit, thereby realizing qualified detection on the laser spraying code of the edible oil drum surface. The edible oil drum surface laser spraying code detection device realizes qualified detection on the laser spraying code of the edible oil drum surface.
Description
technical field [0001] The invention relates to the technical field of detection and verification, in particular to a detection device for laser coding on the surface of edible oil drums, and at the same time, the invention also relates to a detection method for laser coding on the surface of edible oil drums. Background technique [0002] As one of the important nutrients needed by the human body, edible oil is an indispensable necessity in our daily life and plays an important role in the health of the human body. In recent years, people have paid more and more attention to the shelf life of edible oil. It has become a necessary step to check the production date before purchasing. Laser coding can directly reflect the above information. Defects or errors in the coding characters will directly affect consumers. The trust in the product will have a negative impact on the reputation of the brand and the manufacturer. [0003] Due to the failure of the laser inkjet printer it...
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IPC IPC(8): G06K7/14G06Q30/00
CPCG06K7/1408G06K7/1443G06Q30/018
Inventor 董浩何谓孙瑞轩肖磊李建华
Owner 河北省自动化研究所有限公司