CN202583088U - Identification detection and product grading control system - Google Patents
Identification detection and product grading control system Download PDFInfo
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- CN202583088U CN202583088U CN 201220149737 CN201220149737U CN202583088U CN 202583088 U CN202583088 U CN 202583088U CN 201220149737 CN201220149737 CN 201220149737 CN 201220149737 U CN201220149737 U CN 201220149737U CN 202583088 U CN202583088 U CN 202583088U
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Abstract
The utility model discloses an identification detection and product grading control system and relates to technical field of machine vision detection. The system comprises a conveying belt, an image acquisition unit, a processing unit, two triggering units and a grading execution unit for executing product grading; the first triggering unit, the image acquisition unit and the second triggering unit are arranged in the conveying direction of the conveying belt in sequence; the image acquisition unit is opposite to the lower surface of the conveying belt; the first triggering unit, the image acquisition unit, the processing unit and the second triggering unit are connected in sequence; and the grading execution unit is connected with the processing unit. The identification detection and product grading control system has the beneficial effects that through acquiring and analyzing an image of a product, product grading is carried out according to analysis results, so that the product grading is not affected by light and other external environment, thereby improving the detection precision of the product grading; and the identification detection and product grading control system has the advantages of low error detection and leakage detection probability, strong compatibility and simple structure.
Description
Technical field
The utility model relates to the mechanical vision inspection technology field, particularly a kind of label detection and grading control system.
Background technology
Continuous development along with the machine vision industry; The scale of on-line detecting system in the industry is detected in continuous expansion in the surface, and technology is also more and more ripe, at present; In the on-line detecting system of prior art; The grading method that everybody generally adopts is: after the front-end detection system detects product defects, confirm defective locations, labeling device such as price labeling is with this defective locations of color label sign then; The rear end utilizes this label of color mark sensor identification again, triggers grading equipment, thereby realizes grading.Adopt this grading method of prior art influenced by external environment such as light; Cause false drop rate very high, often the situation of false retrieval, omission appears; Have a strong impact on the production efficient of producer, also influenced the automatization level of whole production line simultaneously.
The utility model content
The technical matters that (one) will solve
The technical matters that the utility model will solve is: how to make grading not receive the influence of external environments such as light, to improve the accuracy of detection of grading.
(2) technical scheme
For solving the problems of the technologies described above; The utility model provides a kind of label detection and grading control system; Said system comprises: travelling belt, image acquisition units, processing unit, two trigger elements and the classification performance element that is used to carry out grading; First trigger element, image acquisition units and second trigger element along the direction of transfer of said travelling belt set gradually and the lower surface of said image acquisition units and said travelling belt relative; Said first trigger element, image acquisition units, processing unit and second trigger element connect successively, and said classification performance element is connected with said processing unit.
Preferably, said system also comprises: light source, the lower surface of said light source and said travelling belt is relative.
Preferably, said light source is area array light source or strip source.
Preferably, said system also comprises: display unit, said display unit is connected with said processing unit.
Preferably, said first trigger element and second trigger element are photoelectric sensor.
Preferably, said image acquisition units is an area array cameras.
(3) beneficial effect
The utility model is through gathering the image of product; And image analyzed; Carry out grading according to analysis result; Make grading not receive the influence of external environments such as light, improved the accuracy of detection of grading, and have flase drop and false dismissal probability is low, compatible strong, advantage of simple structure.
Description of drawings
Fig. 1 is the structural representation according to the label detection of a kind of embodiment of the utility model and grading control system.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
Fig. 1 is the structural representation according to the label detection of a kind of embodiment of the utility model and grading control system; With reference to Fig. 1; The system of this embodiment comprises: travelling belt 1, image acquisition units 2, processing unit 5, two trigger elements and the classification performance element (not shown) that is used to carry out grading; First trigger element 3, image acquisition units 2 and second trigger element 4 along the direction of transfer of said travelling belt 1 set gradually and said image acquisition units 2 relative with the lower surface of said travelling belt 1; Said first trigger element 3, image acquisition units 2, processing unit 5 and second trigger element 4 connect successively, and said classification performance element is connected with said processing unit 5.
For improving brightness, sharpness and the homogeneity of 2 images acquired of said image acquisition units, preferably, said system also comprises: light source 6, said light source 6 is relative with the lower surface of said travelling belt 1.For further improving brightness, sharpness and the homogeneity of 2 images acquired of said image acquisition units; Preferably; Said light source 6 is area array light source or strip source; In this embodiment, said light source 6 adopts the high frequency incandescent lamp as area array light source, and selecting said relatively image acquisition units 2 frontlighting modes is that said image acquisition units 2 provides uniform illuminating ray.
Preferably, said system also comprises: the display unit (not shown), said display unit is connected with said processing unit 5.
For improving the response speed of said first trigger element 3 and second trigger element 4, preferably, said first trigger element 3 and second trigger element 4 are photoelectric sensor.
In this embodiment, preferably, said image acquisition units 2 is an area array cameras.
Label detection of the utility model and grading control system with respect to prior art, also have the following advantages and beneficial effect except the accuracy of detection that improves grading:
1, have an independently system, compatible with present most on-line detecting system;
2, simple in structure, easy for installation, need not to change existing equipment, get final product seamless connection;
3, loss, false drop rate are low, and production efficiency and mechanical automation level are provided greatly;
The invention also discloses a kind of stage division, said method comprising the steps of based on said label detection and grading control system:
S1: when the product on the travelling belt 1 during through first trigger element 3, said first trigger element 3 sends trigger pip to image acquisition units 2;
S2: after said image acquisition units 2 receives trigger pip, this product is carried out IMAQ, and the image that collects is sent to said processing unit 5;
S3: 5 pairs of said images of said processing unit are analyzed (in this embodiment; Image denoising, binaryzation, morphology are adopted in said analysis, profile is searched and area calculating scheduling algorithm carries out; Can analyze parameters such as the number that whether has defective sign and defective sign in the said image, zone), the result of output defective sign 7 judges whether to have the defective sign; If have, then write down the sequence number of this product;
S4: when this product during through second trigger element 4, said second trigger element 4 sends trigger pip to processing units 5, and processing unit 5 transmitting control commands are to the classification performance element, to realize the classification to product.
Understand the product situation in real time for ease of operator, preferably, among the step S3, said processing unit 5 also shows analysis result through display unit.
Above embodiment only is used to explain the utility model; And be not the restriction to the utility model; The those of ordinary skill in relevant technologies field under the situation of spirit that does not break away from the utility model and scope, can also be made various variations and modification; Therefore all technical schemes that are equal to also belong to the category of the utility model, and the scope of patent protection of the utility model should be defined by the claims.
Claims (6)
1. label detection and grading control system; It is characterized in that; Said system comprises: travelling belt, image acquisition units, processing unit, two trigger elements and the classification performance element that is used to carry out grading; First trigger element, image acquisition units and second trigger element along the direction of transfer of said travelling belt set gradually and the lower surface of said image acquisition units and said travelling belt relative; Said first trigger element, image acquisition units, processing unit and second trigger element connect successively, and said classification performance element is connected with said processing unit.
2. the system of claim 1 is characterized in that, said system also comprises: light source, the lower surface of said light source and said travelling belt is relative.
3. system as claimed in claim 2 is characterized in that, said light source is area array light source or strip source.
4. the system of claim 1 is characterized in that, said system also comprises: display unit, said display unit is connected with said processing unit.
5. the system of claim 1 is characterized in that, said first trigger element and second trigger element are photoelectric sensor.
6. like each described system in the claim 1～5, it is characterized in that said image acquisition units is an area array cameras.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220149737 CN202583088U (en) | 2012-04-10 | 2012-04-10 | Identification detection and product grading control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220149737 CN202583088U (en) | 2012-04-10 | 2012-04-10 | Identification detection and product grading control system |
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| CN202583088U true CN202583088U (en) | 2012-12-05 |
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| CN 201220149737 Expired - Fee Related CN202583088U (en) | 2012-04-10 | 2012-04-10 | Identification detection and product grading control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364413A (en) * | 2012-04-10 | 2013-10-23 | 北京兆维电子(集团)有限责任公司 | Identifier detection and product grading control system and method |
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2012
- 2012-04-10 CN CN 201220149737 patent/CN202583088U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364413A (en) * | 2012-04-10 | 2013-10-23 | 北京兆维电子(集团)有限责任公司 | Identifier detection and product grading control system and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20210410 |
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| CF01 | Termination of patent right due to non-payment of annual fee |