CN111551551A - Vehicle door plate detection system and detection method - Google Patents
Vehicle door plate detection system and detection method Download PDFInfo
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- CN111551551A CN111551551A CN202010396808.1A CN202010396808A CN111551551A CN 111551551 A CN111551551 A CN 111551551A CN 202010396808 A CN202010396808 A CN 202010396808A CN 111551551 A CN111551551 A CN 111551551A
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention discloses a vehicle door plate detection system which at least comprises detection equipment and control equipment, wherein the detection equipment at least comprises a rack, a positioning mechanism, an electric control system and a detection mechanism, the rack is used as a support frame body of the detection equipment, the positioning mechanism is arranged on the rack, the electric control mechanism is respectively electrically connected with the positioning mechanism and the detection mechanism, the positioning mechanism is controlled to adjust so as to limit the position of a door plate to be detected, and the detection mechanism is controlled to detect the door plate to be detected; the control equipment is arranged on the rack and is respectively connected with the electric control system and the detection mechanism, the electric control system is controlled to drive the positioning mechanism and the detection mechanism to execute operation, and detection data of the detection mechanism are timely and effectively acquired and recorded. The technology of the invention ensures the accuracy and correctness of door panel detection, reduces working beats and reduces the workload of operators; the data are effectively stored in time, the traceability of products is improved, the structural safety of parts is guaranteed, and the application range is wide.
Description
Technical Field
The invention discloses a vehicle part detection technology, and particularly relates to an automobile door panel detection system and a detection method.
Background
Along with the development of the automobile industry, more and more vehicle door panels appear in daily life, and the vehicle door panels are as the indispensable part of vehicles such as car, and the quality is good and bad to user's personal safety, consequently, need detect it before the vehicle door panels leaves the factory, and at present, the detection to the door panel divide into back and design face, as shown in fig. 1, wherein the back mainly detects the wrong dress of part neglected loading and height joining in marriage, mainly includes following parts: screws, buckles, waterproof cotton, silencing cotton, non-woven fabrics, wire harnesses, pockets, anti-collision blocks and memory switches (different products are different in number); the artistic conception mainly detects the neglected loading of parts, the wrong dress of colour, the wrong dress of height-matching, mainly includes following parts: transparent belt, memory switch, handle, UPR, suture, OM, armrest, handle, LWR, handle cover (color pieces including beige, black, silver, blue, brown, gray, red, orange, etc., and material including velvet, leather, and plastic).
The existing door panel detection mode is manual detection, and whether the quality of the door panel meets the standard or not is observed by naked eyes, so that the mode has a plurality of defects, such as: the probability of missed detection and false detection is higher, and the detection accuracy and correctness are poor; the detection beat is long, and visual fatigue is easy to generate for an operator; if the door panel is abnormal before loading, the state of the door panel in the current production process cannot be traced and inquired; a large amount of human resources are needed, and the labor cost is high.
Therefore, in view of the defects of the prior art, those skilled in the art are dedicated to developing a vehicle door panel detection system and a detection method to improve the detection quality of the door panel before leaving the factory and enhance the traceability of the product in the detection stage.
Disclosure of Invention
The invention aims to provide a vehicle door plate detection system and a detection method, which are used for guaranteeing the correctness and the accuracy of door plate detection, improving the detection quality and solving the problems in the background technology.
The purpose of the invention is realized by the following technical scheme:
a vehicle door plate detection system at least comprises detection equipment and control equipment, wherein the detection equipment at least comprises a rack, a positioning mechanism, an electric control system and a detection mechanism, the rack is used as a support frame body of the detection equipment, the positioning mechanism is installed on the rack and used for limiting the detection position of a door plate to be detected, the electric control mechanism is respectively electrically connected with the positioning mechanism and the detection mechanism, the positioning mechanism is controlled to adjust so as to limit the position of the door plate to be detected, and the detection mechanism is controlled to detect the door plate to be detected; the control equipment is installed on the rack and is respectively connected with the electric control system and the detection mechanism, the electric control system is controlled to drive the positioning mechanism and the detection mechanism to execute operation, and detection data of the detection mechanism are timely and effectively acquired and recorded.
Furthermore, the frame is of a frame structure and at least comprises an upper frame and a lower frame, the upper frame is vertically arranged at one side of the lower frame, the upper part of the upper frame is higher than the upper surface of the lower frame, and the height difference between the upper frame and the lower frame is greater than the detection height of the door panel to be detected.
Furthermore, the lower frame is provided with the positioning mechanism, the positioning mechanism at least comprises an adjusting cylinder and a mold jig, the adjusting cylinder is connected with the mold jig, the mold jig supports the door plate to be detected, and the adjusting cylinder controls the detection angle adjustment of the mold jig; the adjusting cylinder is connected with the electric control system, and the electric control system controls the operation of the adjusting cylinder.
Furthermore, the detection mechanism at least comprises an illumination device and an image acquisition device, the illumination device provides a light source for the image acquisition device to acquire images, the image acquisition device is used for acquiring images of the door panel to be detected, and the illumination device and the image acquisition device are both connected with the electric control system and controlled by the electric control system to operate; the image acquisition equipment is connected with the control equipment, and transmits the acquired image to the control equipment for detection and storage.
Further, the illumination equipment comprises an upper light source, a lower light source and a side light source, wherein the upper light source is arranged above the upper frame and provides illumination for the door plate to be detected from top to bottom, the side light source is arranged on the side of the upper frame and provides illumination for the door plate to be detected from the side, and the lower light source is arranged on the lower frame and provides illumination for the door plate to be detected from bottom to top.
Further, the image acquisition equipment is an industrial camera and at least comprises an upper camera and a lower camera, wherein the upper camera is mounted on the upper rack, is positioned below the upper light source and is vertically mounted downwards, and a protective cover is configured outside the upper camera; the lower camera is arranged on the upper frame and is horizontally arranged, so that an object vertically above the lower camera is prevented from falling down to damage the camera; and a prism is arranged in front of the lower camera lens to acquire image information of the door panel to be detected.
Further, the industrial camera is internally provided with an image detection program, the obtained image is subjected to qualification judgment, and the judgment result is transmitted to the control equipment for storage.
Furthermore, the control equipment is installed on the rack, a control program is arranged in the control equipment, and the control program at least can realize matching of the type of the door plate to be detected, control of the electric control system to drive the positioning mechanism and the detection mechanism to operate, acquisition of the result of the image acquired by the image acquisition equipment, and uploading of the result and the image to an upper computer; and an automatic saving program is also set in the control equipment and is used for tracing the detection process of the door panel to be detected.
Based on the structure, the invention also provides a vehicle door plate detection method, which is realized by the detection system and specifically comprises the following procedures:
step 1: the control program identifies the type of the door panel to be detected, matches with the corresponding detection program and controls the electric control system to switch the corresponding positioning mechanism;
step 2: the door plate to be detected is arranged on the positioning mechanism, and the angle of the acquired image is adjusted;
step 3: the control equipment controls the illumination equipment to provide corresponding illumination, controls the image acquisition equipment to acquire an image of the door plate to be detected, and starts detection;
step 4: the control equipment acquires the structure of the image acquired by the image acquisition equipment, and transmits the detection result and the picture to an upper computer for displaying in display equipment;
step 5: the user executes corresponding operation according to the structure displayed by the display equipment; the control equipment stores the detection information, transmits the detection information to the upper computer system and waits for the next detection cycle.
The present invention also provides a computer-readable storage medium in which a program is stored, which, when executed, can execute the aforementioned vehicle door panel detection method.
By implementing the vehicle door panel detection system and the detection method, the following beneficial effects are achieved:
1. according to the technical scheme, through the operation of combining machinery and programs, the industrial camera and the control program replace manual detection, the accuracy and correctness of door panel detection are ensured, the working beat is reduced, and the workload of operators is reduced;
2. according to the technical scheme, the data are effectively stored in time by setting the program, the traceability of the product is improved, and particularly, the equipment can be used for tracing and inquiring the recording conditions of the photos and the inspection items of the door panel during production at that time when the door panel is found to be abnormal before loading;
3. according to the technical scheme, the bottom picture of the door plate to be detected is acquired in a mode that an industrial camera is matched with a prism for horizontal installation, so that the equipment space is effectively saved, an object which may fall from the upper side is prevented from directly hitting a camera lens, and meanwhile, the daily cleaning of the mirror surface is facilitated;
4. the technical scheme of the invention can be matched with different detection programs according to different types of door panels, and has wide application range.
Drawings
FIG. 1 is a diagram of a door panel detection site in the background art of the present invention;
FIG. 2 is a diagram of a door panel inspection system according to an embodiment of the present invention;
FIG. 3 is a schematic side view of a door panel inspection system according to an embodiment of the present disclosure;
fig. 4 is a schematic view illustrating a door panel detection process according to an embodiment of the present invention.
Wherein:
10. an upper frame; 11. a lower frame; 12. a cylinder; 13. an upper light source; 14. a lower light source; 15. a side light source; 16. an electronic control system; 17. mounting a camera; 18. a lower camera; 180. a prism;
2. a PLC controller; 20. a display screen; 21. an indicator light;
3. a door panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a vehicle door plate detection system, which at least comprises detection equipment and control equipment, wherein the detection equipment at least comprises a rack, a positioning mechanism, an electric control system and a detection mechanism, the rack is used as a support frame body of the detection equipment, the positioning mechanism is arranged on the rack and is used for limiting the detection position of a door plate to be detected, the electric control mechanism is respectively electrically connected with the positioning mechanism and the detection mechanism, the positioning mechanism is controlled to adjust so as to limit the position of the door plate to be detected, and the detection mechanism is controlled to detect the door plate to be detected; the control equipment is installed on the rack and is respectively connected with the electric control system and the detection mechanism, the electric control system is controlled to drive the positioning mechanism and the detection mechanism to execute operation, and detection data of the detection mechanism are timely and effectively acquired and recorded.
Based on the above structure, the present embodiment is specifically described as follows:
as shown in fig. 2-3, in the vehicle door panel detection system, the frame is of a frame structure, and includes an upper frame 10 and a lower frame 11, the upper frame 10 is vertically disposed at a side of the lower frame 11, and a height difference between the upper frame 10 and the lower frame is greater than a detection height of the door panel 3 to be detected.
The lower frame 11 is a square three-dimensional frame structure, parts are installed in the frame structure, wherein a positioning mechanism is installed above the lower frame 11, the positioning mechanism at least comprises an adjusting cylinder 12 and a mold jig, the adjusting cylinder 12 is connected with the mold jig, the mold jig supports the door plate 3 to be detected, and the adjusting cylinder 12 controls the detection angle adjustment of the mold jig; the adjusting cylinder 12 is connected with an electronic control system 16, and the operation of the adjusting cylinder 12 is controlled by the electronic control system 16.
The detection mechanism at least comprises an illumination device and an image acquisition device, the illumination device provides a light source for the image acquisition device to acquire images, the image acquisition device is used for acquiring the images of the door panel 3 to be detected and judging whether the product is qualified or not, the illumination device and the image acquisition device are both connected with the electric control system 16, and the operation is controlled by the electric control system 16; the image acquisition equipment is connected with the control equipment, and the detection result of the acquired image is transmitted to the upper control equipment to be detected and stored.
The illumination device is a combined light source and comprises an upper light source 13, a lower light source 14 and a side light source 15, wherein the upper light source 13 is arranged above the upper rack 10 and provides illumination for the door panel 3 to be detected from top to bottom, the side light source 15 is arranged on the side of the upper rack 10 and provides illumination for the door panel 3 to be detected from the side, and the lower light source 14 is arranged on the lower rack 11 and provides illumination for the door panel 3 to be detected from bottom to top. As shown in fig. 2, in the present embodiment, four upper light sources 13 are provided, each of which is a bar light source, and the four upper light sources 13 are arranged in parallel, and the light sources are set to be in a normally-on state; the side light sources 15 are two cylindrical light sources, the two cylindrical light sources are arranged at the left and the right, and the light sources can be set to be on or off according to the type of the door panel 3 to be detected; the four lower light sources 14 are strip light sources, three of the lower light sources 14 are set to be in a normally on state, and the other lower light source 14 can be set to be on or off according to the type of the door panel 3 to be detected.
The image acquisition equipment is an industrial camera and at least comprises an upper camera 17 and a lower camera 18, wherein as shown in fig. 2, the upper camera 17 and the lower camera 18 are arranged in two, the upper camera 17 is mounted on the upper frame 10 and positioned below the upper light source 13, and is vertically mounted downwards, and a protective cover is arranged outside the upper frame; the lower camera 18 is arranged on the upper frame 11 and the lower frame and is horizontally arranged to prevent an object vertically above from falling down to damage the camera; the prism 180 is arranged in front of the lens of the lower camera 18, and the prism 180 achieves the effect of vertical upward detection so as to obtain the image information of the door panel 3 to be detected. Such a horizontal mounting of the camera with prism 180 has at least the following benefits: the space is saved, if the camera is directly vertically and upwards installed, the upper surface of the equipment rack needs to be lifted by about 100mm, and the operation is influenced; the camera lens is effectively prevented from being directly hit by an object which may fall from the upper part; the daily clearance of the mirror surface of being convenient for, because be in the workstation below, the easy batting that drops on dust and the door plant 3 that accumulates of lens, so the installation only need directly clean prism 180 the mirror surface can, need not worry to scrape the mirror surface of colored camera.
The industrial camera is internally provided with camera software for image analysis, in the embodiment, a UPR color detection tool is used for detecting and judging whether the door panel 3 is qualified, namely, after the bar code information is analyzed by a program and a corresponding camera program is selected, the UPR color detection tool automatically extracts the color of the product and judges the color concentration value, the modified value is compared with the upper limit and the lower limit which are set before, the product is qualified if the modified value is within the set range, and the product is unqualified if the modified value exceeds the upper limit or the lower limit.
The electric control system 16 is arranged outside the rack, the electric control system 16 is the same as the traditional electric control system 16, and comprises a plurality of motor elements, and is used for controlling a controlled object and ensuring safe and reliable operation of the controlled object.
The control equipment is mainly a PLC (programmable Logic controller) controller, the PLC controller 2 is installed on the rack, a control program is arranged in the PLC controller, and the control program is at least provided with a bar code identification program and can realize the function of matching the type of the door panel 3 to be detected; the control program can also control the electric control system 16 to drive the positioning mechanism and the detection mechanism to operate, obtain the result of the image acquired by the image acquisition equipment, and transmit the image and the result to the upper computer; an automatic saving program is set in the control equipment for tracing the detection process of the door panel 3 to be detected; the external of the PLC controller 2 is provided with a display device for displaying the result of the internal program, the display device at least includes a display screen 20 and an indicator light 21, the display screen 20 displays the parameters acquired by the PLC controller 2, the indicator light 21 displays the result of the qualification, as shown in fig. 3, the indicator light 21 is a four-color light.
Based on the above structure, the present invention further provides a vehicle door panel detection method, which is implemented by the detection system, as shown in fig. 4, and specifically includes the following procedures:
s1: the PLC 2 receives and analyzes the bar code transmitted by the last working program, identifies the type of the current detection door panel 3, the type of the current door panel 3 is 128, and the bar code information of the door panel 3 in 128 is stored in the PLC 2;
s2: the PLC 2 calls a corresponding program according to the type of the door panel 3 and controls the electric control system 16 to drive the air cylinder 12 and the corresponding mould jig to a detection position;
s3: an operator puts the door plate 3 to be detected into the mould jig;
s4: the PLC controller 2 controls the electric control system 16 to drive the illumination equipment to adjust the light source and controls the industrial camera to shoot, after the program preparation is completed, the placing position of the door panel 3 to be detected is detected to be qualified, and the shooting program is started by delaying 3S;
s5: the industrial camera analyzes the detected door panel 3 after shooting the result, transmits the detection information to the PLC controller 2 and stores the detection information, the PLC controller 2 displays the detection information on the display screen 20 after comprehensive processing, and controls the indicator lamp 21 to light an OK or NG indicator lamp;
s6: the operator completes corresponding operation according to the display result and the prompt of the display equipment, and takes away the door panel 3;
s7: the cylinder 12 is restored, and the system sends the detection bar code to the next working procedure and waits for the bar code information sent by the previous working procedure.
It is to be understood that unless otherwise defined, technical or scientific terms used herein have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any uses or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the present invention is not limited to the structures that have been described above and shown in the drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (10)
1. A vehicle door plate detection system is characterized by at least comprising detection equipment and control equipment, wherein the detection equipment at least comprises a rack, a positioning mechanism, an electric control system and a detection mechanism, the rack is used as a support frame body of the detection equipment, the positioning mechanism is installed on the rack and is used for limiting the detection position of a door plate to be detected, the electric control mechanism is respectively electrically connected with the positioning mechanism and the detection mechanism, the positioning mechanism is controlled to adjust so as to limit the position of the door plate to be detected, and the detection mechanism is controlled to detect the door plate to be detected; the control equipment is installed on the rack and is respectively connected with the electric control system and the detection mechanism, the electric control system is controlled to drive the positioning mechanism and the detection mechanism to execute operation, and detection data of the detection mechanism are timely and effectively acquired and recorded.
2. The vehicle door panel inspection system according to claim 1, wherein the frame is a frame-type structure and includes at least an upper frame and a lower frame, the upper frame is vertically disposed at a side of the lower frame, and a height difference between the upper frame and the lower frame is greater than an inspection height of the door panel to be inspected.
3. The vehicle door panel detection system according to claim 2, wherein the positioning mechanism is mounted on the lower frame, the positioning mechanism at least comprises an adjusting cylinder and a mold jig, the adjusting cylinder is connected with the mold jig, the mold jig supports the door panel to be detected, and the adjusting cylinder controls the adjustment of the detection angle of the mold jig; the adjusting cylinder is connected with the electric control system, and the electric control system controls the operation of the adjusting cylinder.
4. The vehicle door panel inspection system according to claim 1, wherein said inspection mechanism comprises at least an illumination device and an image acquisition device, said illumination device providing a light source for said image acquisition device to acquire an image of the door panel to be inspected, said illumination device and said image acquisition device both being connected to said electronic control system, said electronic control system controlling operation; the image acquisition equipment is connected with the control equipment, and transmits the acquired image to the control equipment for detection and storage.
5. The vehicle door panel inspection system according to claim 4, wherein said illumination device includes an upper light source, a lower light source, and a side light source, wherein said upper light source is disposed above said upper frame to provide illumination to the door panel to be inspected from top to bottom, said side light source is disposed at a side of said upper frame to provide illumination to the door panel to be inspected from a side, and said lower light source is disposed on said lower frame to provide illumination to the door panel to be inspected from bottom to top.
6. The vehicle door panel inspection system according to claim 5, wherein said image capturing device is an industrial camera including at least an upper camera and a lower camera, wherein said upper camera is mounted on said upper frame below said upper light source, vertically downward, and externally provided with a protective cover; the lower camera is arranged on the upper frame and is horizontally arranged, so that an object vertically above the lower camera is prevented from falling down to damage the camera; and a prism is arranged in front of the lower camera lens to acquire image information of the door panel to be detected.
7. The vehicle door panel inspection system according to claim 6, wherein the industrial camera has an image inspection program therein, performs a qualification judgment on the acquired image, and transmits the judgment result to the control device for storage.
8. The vehicle door panel inspection system according to claim 6, wherein said control device is mounted on said frame and internally provided with a control program for at least matching the type of the door panel to be inspected, controlling said electronic control system to drive said positioning mechanism and said inspection mechanism and obtaining the result of the image acquired by said image acquisition device, and transmitting the result and the image to an upper computer; and an automatic saving program is also set in the control equipment and is used for tracing the detection process of the door panel to be detected.
9. A vehicle door panel inspection method implemented by the vehicle door panel inspection system according to any one of claims 1 to 8, characterized by specifically comprising the following procedures:
step 1: the control program identifies the type of the door panel to be detected, matches with the corresponding detection program and controls the electric control system to switch the corresponding positioning mechanism;
step 2: the door plate to be detected is arranged on the positioning mechanism, and the angle of the acquired image is adjusted;
step 3: the control equipment controls the illumination equipment to provide corresponding illumination, controls the image acquisition equipment to acquire an image of the door plate to be detected, and starts detection;
step 4: the control equipment acquires the result of the image acquired by the image acquisition equipment, transmits the detection result and the image to an upper computer, and displays the detection result in display equipment;
step 5: the user executes corresponding operation according to the structure displayed by the display equipment; the control equipment stores the detection information, transmits the detection information to the upper computer system and waits for the next detection cycle.
10. A computer-readable storage medium in which a program is stored, wherein the program is executable to perform the vehicle door panel detection method according to claim 9 on the vehicle door panel detection system according to any one of claims 1 to 8.
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| CN202010396808.1A CN111551551A (en) | 2020-05-12 | 2020-05-12 | Vehicle door plate detection system and detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010396808.1A CN111551551A (en) | 2020-05-12 | 2020-05-12 | Vehicle door plate detection system and detection method |
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| CN111551551A true CN111551551A (en) | 2020-08-18 |
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| CN202010396808.1A Pending CN111551551A (en) | 2020-05-12 | 2020-05-12 | Vehicle door plate detection system and detection method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290357A (en) * | 2021-04-01 | 2021-08-24 | 东风延锋汽车饰件系统有限公司 | Door plate assembly detection method and door plate assembly detection system |
| CN115744254A (en) * | 2022-11-24 | 2023-03-07 | 臻越自动化技术（上海）有限公司 | Door plant automated inspection conveyor |
| CN117172624A (en) * | 2023-11-03 | 2023-12-05 | 长春易加科技有限公司 | Intelligent monitoring management system of wire harness production line |
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| CN113290357A (en) * | 2021-04-01 | 2021-08-24 | 东风延锋汽车饰件系统有限公司 | Door plate assembly detection method and door plate assembly detection system |
| CN115744254A (en) * | 2022-11-24 | 2023-03-07 | 臻越自动化技术（上海）有限公司 | Door plant automated inspection conveyor |
| CN115744254B (en) * | 2022-11-24 | 2023-12-26 | 臻越自动化技术（上海）有限公司 | Automatic door plate detection and conveying device |
| CN117172624A (en) * | 2023-11-03 | 2023-12-05 | 长春易加科技有限公司 | Intelligent monitoring management system of wire harness production line |
| CN117172624B (en) * | 2023-11-03 | 2024-01-05 | 长春易加科技有限公司 | Intelligent monitoring management system of wire harness production line |
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