CN115184367A - Side edge detection device for photovoltaic glass and detection method thereof - Google Patents
Side edge detection device for photovoltaic glass and detection method thereof Download PDFInfo
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- CN115184367A CN115184367A CN202210878759.4A CN202210878759A CN115184367A CN 115184367 A CN115184367 A CN 115184367A CN 202210878759 A CN202210878759 A CN 202210878759A CN 115184367 A CN115184367 A CN 115184367A
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
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- G01N21/84—Systems specially adapted for particular applications
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- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8901—Optical details; Scanning details
- G01N21/8903—Optical details; Scanning details using a multiple detector array
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8914—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
- G01N2021/8841—Illumination and detection on two sides of object
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8854—Grading and classifying of flaws
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8901—Optical details; Scanning details
- G01N2021/8908—Strip illuminator, e.g. light tube
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Abstract
A side edge detection device for photovoltaic glass comprises a rack and two camera light source mechanisms movably connected to the rack, wherein the two camera light source mechanisms are oppositely arranged at two ends of the rack; the moving directions of the two camera light source mechanisms are positioned on the same straight line, and a width adjusting mechanism for driving the camera light source mechanisms to move is arranged between the camera light source mechanisms and the rack; the top of the camera light source mechanism is arranged on a fixed base which is fixedly connected, a sliding block connecting plate is fixedly connected onto the fixed base, and a linear guide rail corresponding to the sliding block connecting plate is arranged on the rack; compared with the prior art, through moving camera light source mechanism and connecting on linear guide, can be according to the different positions that change the camera of glass's width, satisfy the glass's of different width detection demand, simultaneously under the effect of first organ cover and second organ cover, guarantee that camera light source mechanism removes the in-process and also not receive external light's interference yet.
Description
Technical Field
The invention relates to the technical field of glass side edge detection, in particular to a side edge detection device for photovoltaic glass and a detection method thereof.
Background
The glass is an amorphous inorganic non-metallic material, generally prepared by using a plurality of inorganic minerals as main raw materials and adding a small amount of auxiliary raw materials, and the main components of the glass are silicon dioxide and other oxides. The chemical composition of the common glass is Na2SiO3, caSiO3, siO2 or Na 2O. CaO.6SiO 2, etc., the main component is a silicate double salt, and the common glass is an amorphous solid with a random structure.
Glass is widely used in buildings for isolating wind and transmitting light, belongs to a mixture, and comprises colored glass mixed with certain metal oxides or salts to show color, toughened glass prepared by a physical or chemical method and the like, and some transparent plastics are also called organic glass.
Because the edging of the glass is an arc edge and is not on the same plane, in order to finish the detection of the edging of the glass, a plurality of imaging systems are required to be arranged in different directions of the edging of the glass for detection, so that the imaging systems are respectively arranged above and below the rubber roller of the rubber roller production line and are limited by the space below the rubber roller production line, the volume and the working distance of the imaging system required to be installed are limited to a certain extent, the installation is inconvenient, and the installation cost and the subsequent maintenance cost are high.
Chinese patent No. CN201610127627.2 discloses a glass corner image collecting device and system for collecting the edge-polished image of glass transmitted on a rubber roll production line. As shown in fig. 8, the apparatus includes: the device comprises a first light source, a second light source, a reflecting mirror surface, a detection sensor and a camera set. The working principle of the device is shown in fig. 9, the detection sensor is installed at a preset position on the rubber roller production line and used for generating a trigger signal when the edge grinding of the glass on the rubber roller production line is transmitted to the preset position; the first light source, the second light source and the camera set are all positioned above the rubber roller on the rubber roller production line and are connected with the detection sensor; the reflecting mirror surface is positioned below the transmission plane of the rubber roll production line; when the detection sensor generates a trigger signal, the first light source, the second light source and the camera group start to work; the first light source and the second light source are used for supplementing light to the glass edge grinding from different angles, and the camera set is used for collecting the image of the glass edge grinding.
The glass corner image acquisition device and the glass corner image acquisition system adopt the mirror reflection principle to realize the polishing and the photographing of the glass B circular arc section, and the requirement of the mode on the environment is strict. The glass production line is generally large in dust on site, dust is easily accumulated on the reflecting mirror surface, the detection effect is affected, and people are required to frequently clean the mirror surface. This not only increases the work load of production line personnel, and high frequency wipes the speculum face moreover and causes the mar easily to the speculum face, and leads to the false retrieval.
Chinese patent No. CN201910236895.1 discloses a photovoltaic glass edge defect detection system and a corresponding method, the system is installed on a production roller way of photovoltaic glass, as shown in fig. 10, the system comprises: mechanical frame, light source module, camera module, limit detection module.
According to the photovoltaic glass edge defect detection system and the corresponding method, 3 light sources, namely strip light, first panel light and second panel light are adopted on one side for polishing, and the polishing mode of the scheme is complex. Adopt hand lead screw to adjust the position of both sides camera module, this kind of mode operation is more loaded down with trivial details, and assembly accuracy requires highlyer moreover. This scheme needs to add the gyro wheel in the position in the middle of the equipment to support glass, and this can increase the complexity of structure, and glass's both sides can take place to warp moreover to influence the testing result.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the side edge detection device for the photovoltaic glass and the detection method thereof, wherein the side edge detection device has the advantages of comprehensive shooting, high detection rate, small occupied space, modularization and simplicity in operation.
In order to achieve the purpose, the invention adopts the following technical scheme: a side edge detection device for photovoltaic glass comprises a rack and two camera light source mechanisms movably connected to the rack, wherein the two camera light source mechanisms are oppositely arranged at two ends of the rack; the moving directions of the two camera light source mechanisms are positioned on the same straight line, and a width adjusting mechanism for driving the camera light source mechanisms to move is arranged between the camera light source mechanisms and the rack; the top of the camera light source mechanism is arranged on a fixed base which is fixedly connected, a sliding block connecting plate is fixedly connected onto the fixed base, and a linear guide rail corresponding to the sliding block connecting plate is arranged on the rack; the camera light source mechanism is internally provided with a first area-array camera, a second area-array camera and a strip light source which are arranged along the height direction of the camera light source mechanism.
As a preferable scheme of the invention, the rack is formed by splicing aluminum profiles, a first photoelectric switch and a second photoelectric switch are arranged on the rack, the first photoelectric switch and the second photoelectric switch are positioned between the two camera light source mechanisms, and metal foot cups are arranged at the bottoms of all the support legs of the rack.
As a preferred scheme of the present invention, each side of the frame is provided with a front sealing plate, a rear sealing plate, a left sealing plate, a right sealing plate and an upper sealing plate, which wrap the two camera light source mechanisms, and the right sealing plate is provided with a bellows joint, which is provided with a cable connected to the two camera light source mechanisms.
As a preferable scheme of the invention, the sliding block connecting plate is connected to the linear guide rails, and the rack is provided with two linear guide rails which are simultaneously connected with two sides of the sliding block connecting plate in a sliding manner.
As a preferable scheme of the present invention, a through groove for mounting the width adjusting mechanism is formed on the front sealing plate, a first organ cover and a second organ cover filling the through groove are disposed on two sides of the width adjusting mechanism, and both side edges of the first organ cover and the second organ cover are fixedly connected to the width adjusting mechanism.
As a preferable scheme of the present invention, the width adjusting mechanism includes a moving frame and a handle connected to a top of the moving frame, two ends of the moving frame abut against a surface of the upper sealing plate, and scales arranged along a length direction of the upper sealing plate are formed on the upper sealing plate, and a bottom of the moving frame is connected to the slider connecting plate.
As a preferable scheme of the invention, a first five-star handle and a second five-star handle are further arranged at two ends of the movable frame, a fixing plate which is abutted against the first five-star handle and the second five-star handle is arranged in the through groove, and the fixing plate is connected with the rack.
As a preferred scheme of the invention, the frame is also provided with an acousto-optic alarm mechanism, and the acousto-optic alarm mechanism comprises an acousto-optic alarm lamp and a three-color lamp which are arranged on the frame.
As a preferable scheme of the invention, the bottom of the slide block connecting plate is connected with a drag chain connecting plate, and the drag chain connecting plate is connected with a drag chain connected with the machine frame.
A detection method of a side edge detection device for photovoltaic glass comprises the following steps:
step A: installing a frame between adjacent rollers of a glass roller line;
and B: adjusting the height of the metal foot cup, and adjusting the parallelism and the height of the frame and the two camera light source mechanisms;
step C: adjusting the position of the width adjusting mechanism, releasing the first five-star handle and the second five-star handle, dragging the width adjusting mechanism to enable the camera light source mechanism to move along the direction of the linear guide rail group, and screwing the first five-star handle and the second five-star handle after reaching a specified proper position so as to fix the camera light source mechanism;
step D: arranging a first area-array camera above the side edge of the glass and forming an angle of 45 degrees with the plane of the glass; the strip-shaped light source is opposite to the side edge of the glass, and the center of the strip-shaped light source is superposed with the central plane of the glass; the second area-array camera is arranged below the side edge of the glass and forms an angle of 45 degrees with the plane of the glass;
step E: supplying power to the two camera light source mechanisms through cables, and shooting corresponding image information in the transmission process of the glass roller line;
step F: analyzing and classifying the shot image information, and judging whether the position is missed when the length of the defect is more than 10cm and the width of the defect is more than 0.5mm by a system; if the length of the defect is more than 50cm and the width of the defect is more than 1mm, judging that the position is burnt; if the length of the defect is larger than 1cm and the width of the defect is larger than 0.5mm, judging whether the edge is broken by the system; if the length of the defect is more than 5cm and the width of the defect is more than 0.2mm, the system judges that the defect is scratched; if the length of the defect is less than 1cm and the width of the defect is more than 0.2mm, the system judges that the defect is damaged.
Compared with the prior art, the invention has the beneficial effects that:
1. the camera light source mechanism is movably connected to the linear guide rail, so that the position of the camera can be changed according to different widths of glass, the detection requirements of the glass with different widths are met, and meanwhile, under the action of the first organ cover and the second organ cover, the camera light source mechanism is ensured not to be interfered by external light in the moving process;
2. the modular assembly mode is adopted, so that the overall aesthetic degree of the device is improved, and the later maintenance is facilitated;
3. 2 ccd area-array cameras with 500 ten thousand pixels are used for shooting on a single side, so that the shooting of the side edge of the photovoltaic glass without dead angles can be ensured, the detection precision is very high and can reach 0.3mm;
4. can shoot to detect photovoltaic glass side, detect the precision 0.3mm, the defect relevance ratio is 99.5%. The equipment can work continuously for 24 hours, so that the labor cost can be effectively reduced. The quality of the photovoltaic glass product can be improved due to the high detection rate and the detection precision.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the present invention in use;
FIG. 4 is a schematic diagram of a camera light source mechanism;
FIG. 5 is a schematic view of the installation of the width adjustment mechanism;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
FIG. 7 is a schematic classification diagram;
FIG. 8 is a diagram of a comparison document in the background art;
FIG. 9 is a schematic diagram of a comparison document in the background art;
FIG. 10 is a diagram of a comparison document in the background art;
reference numerals are as follows: the device comprises a corrugated pipe joint 1, a frame 2, a camera light source mechanism 3, a drag chain 4, a drag chain connecting plate 5, a tricolor lamp 6, a fixed base 7, a linear guide rail 8, a sliding block connecting plate 9, a first photoelectric switch 10, a second photoelectric switch 11, an acousto-optic alarm lamp 12, a metal foot cup 13, a front sealing plate 14, a rear sealing plate 15, a left sealing plate 16, a right sealing plate 17, an upper sealing plate 18, a hanging ring 19, a moving frame 20, a handle 21, a first five-star handle 22, a second five-star handle 23, a first organ cover 24, a second organ cover 25, an operation table 26, a first planar camera 27, a second planar camera 28, a bar-shaped light source 29, a through groove 30 and a fixed plate 31.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1-3, a side edge detection device for photovoltaic glass comprises a frame 2 and two camera light source mechanisms 3 movably connected to the frame 2, wherein the two camera light source mechanisms 3 are oppositely arranged at two ends of the frame 2; the moving directions of the two camera light source mechanisms 3 are positioned on the same straight line, and a width adjusting mechanism for driving the camera light source mechanisms 3 to move is arranged between the camera light source mechanisms 3 and the rack 2; the top of the camera light source mechanism 3 is arranged on a fixed base 7 which is fixedly connected, a sliding block connecting plate 9 is fixedly connected onto the fixed base 7, and a linear guide rail 8 corresponding to the sliding block connecting plate 9 is arranged on the frame 2; the camera light source mechanism 3 is provided with a first area-array camera 27, a second area-array camera 28 and a strip light source 29 arranged along the height direction of the camera light source mechanism 3.
Through the relative movement of two camera light source mechanisms 3, thereby adjust the interval between two camera light source mechanisms 3, thereby satisfy that two camera light source mechanisms 3 are applicable to not unidimensional glass and detect, in the use, frame 2 installs between the adjacent roller of glass roller line, camera light source mechanism 3 is used for polishing and shooing to the glass side on the roller line, width adjustment mechanism is used for adjusting camera light source mechanism 3 position according to the difference of glass width, width adjustment mechanism installs in the frame, and link to each other with camera light source mechanism 3, image processing module is used for the photo of the glass side of analysis camera upload, judge whether the glass side have the defect, classify the defect, inform acousto-optic warning structure with the image processing result.
Each side of the frame 2 is provided with a front sealing plate 14, a rear sealing plate 15, a left sealing plate 16, a right sealing plate 17 and an upper sealing plate 18 which wrap the two camera light source mechanisms 3, the right sealing plate 17 is provided with a corrugated pipe joint 1, and the corrugated pipe joint 1 is internally provided with a cable connected with the two camera light source mechanisms 3.
Preceding shrouding 14, back shrouding 15, left side shrouding 16, right side shrouding 17 and last shrouding 18 enclose into bottom open-ended rectangle structure, have guaranteed the pleasing to the eye of frame, also realize wrapping up camera light source mechanism 3, prevent external interference to camera light source mechanism 3.
The corrugated pipe joint 1 is installed on the right side sealing plate 17, and the cable is led out from the rack through the corrugated pipe joint 1 and enters the camera light source mechanism 3 through the corrugated pipe joint 1, so that the camera light source mechanism 3 is electrified, and data shot by the camera light source mechanism 3 is transmitted.
The top of the camera light source mechanism 3 is connected with a fixed base 7 through a bolt, the fixed base 7 is connected and installed on a sliding block connecting plate 9 through a bolt, and the sliding block connecting plate 9 is connected with a sliding block of a linear guide rail 8. The cable supplies power to the camera light source mechanism 3 through the aviation socket, and image information shot by the area-array camera is transmitted to the image processing module through the network cable respectively.
The slider connecting plate 9 is connected on the linear guide 8, and is equipped with two linear guide 8 with slider connecting plate 9 both sides simultaneous sliding connection on the frame 2, and the slider connecting plate 9 passes through bolt fixed connection with linear guide 8's slider to remove along linear guide 8's length direction in the removal in-process of slider connecting plate 9.
A through groove 30 for mounting a width adjusting mechanism is formed in the front sealing plate 14, a first organ cover 24 and a second organ cover 25 for filling the through groove 30 are arranged on two sides of the width adjusting mechanism, and the side edges of the first organ cover 24 and the second organ cover 25 are fixedly connected with the width adjusting mechanism through glue.
The first organ cover 24 and the second organ cover 25 are fixedly connected with the width adjusting mechanism at one end and fixedly connected with the rack at the other end, so that the first organ cover 24 and the second organ cover 25 are ensured to always fill the whole through groove 30.
The width adjustment mechanism is including removing frame 20 and connecting in the handle 21 at removal frame 20 top, handle 21 passes through the bolt and removes the detachable connection of frame 20, remove 20 both ends and 18 surface offsets of last shrouding, and be formed with the scale that sets up along 18 length direction of last shrouding on the shrouding 18, the positional information of camera under the different glass width of record, the scale scope is 0-1600mm, remove 20 bottoms of frame and slider connecting plate 9 and pass through the bolt fastening and link to each other, thereby at the removal in-process that removes frame 20, the removal of synchronous drive slider connecting plate 9 and camera light source mechanism 3, realize the regulation to the position of camera light source mechanism 3.
The two ends of the movable frame 20 are further provided with a first five-star handle 22 and a second five-star handle 23, a fixing plate 31 abutting against the first five-star handle 22 and the second five-star handle 23 is arranged in the through groove 30, the fixing plate 31 is connected with the rack 2, and the first five-star handle 22 and the second five-star handle 23 abut against the fixing plate 31, so that the position of the movable frame 20 is supported and positioned.
The image processing module comprises an operation table 26, a display, an industrial personal computer, a mouse, a keyboard and an electric board. When the glass moves to a specific position, the first and second photoelectric switches 10 and 11 detect the glass and feed back to the system. The system issues an instruction to enable the camera light source mechanism 3 to work, the light source is lightened, and the camera takes a picture once the glass moves forward for a specific distance. The process stops until the first and second opto- electronic switches 10, 11 detect that the glass has been disengaged.
Still be equipped with audible and visual alarm mechanism in the frame 2, audible and visual alarm mechanism is including setting up audible and visual alarm lamp 12 and three-color lamp 6 in the frame 2, and when image processing module judged that glass is defective, PLC issued the instruction and lets the on-the-spot workman of audible and visual alarm lamp 6 work warning. The three-color lamp 6 displays the running state of the device.
The bottom of the sliding block connecting plate 9 is connected with a drag chain connecting plate 5, the drag chain connecting plate 5 is connected with a drag chain 4 connected with the rack 2, and when a cable of the drag chain 4 passes through the line, the moving position of the camera light source mechanism 3 is limited, so that the stability of the camera light source mechanism 3 is ensured.
In the actual use process, the method comprises the following steps:
step A: the frame 2 is mounted between adjacent rolls of the glass roll line.
And B: the height of the metal foot cup 13 is adjusted, and the parallelism and the height of the machine frame 2 and the two camera light source mechanisms 3 are adjusted.
Step C: the position of the width adjusting mechanism is adjusted, the first pentagram handle 22 and the second pentagram handle 23 are released, the width adjusting mechanism is dragged to enable the camera light source mechanism 3 to move along the linear guide rail 8 group direction, the first pentagram handle 22 and the second pentagram handle 23 are screwed after the camera light source mechanism reaches a specified proper position, the camera light source mechanism 3 is fixed, and under the action of the first organ cover 24 and the second organ cover 25, the camera light source mechanism 3 is not influenced to move and is located in the shade by the camera light source mechanism 3.
Step D: arranging a first area-array camera 27 above the side edge of the glass and forming an angle of 45 degrees with the plane of the glass; the strip light source 29 is opposite to the side edge of the glass, and the center of the strip light source 29 is superposed with the central plane of the glass; the second area-array camera 28 is arranged below the side edge of the glass and forms an angle of 45 degrees with the plane of the glass, the first area-array camera 27 and the second area-array camera 28 are ccd area-array cameras with 500 ten thousand pixels, and the detection precision is 0.3mm.
The glass is generally arc-shaped after being edged, and if only one camera is used on one side, a complete glass side image cannot be obtained no matter which angle the camera takes a picture. The image can be completely shot by utilizing the reflecting mirror surface, but the requirements on the depth of field and the field environment of the camera are high. After the reflector is imaged, if the depth of field of the camera is not enough, the shot picture is fuzzy; if the phenomenon is dirty, the dust on the reflector can also affect the photographing quality.
Step E: the two camera light source mechanisms 3 are powered through cables, and corresponding image information is shot in the transmission process of the glass roller line;
step F: analyzing and classifying the shot image information, and judging and positioning the missed grinding by a system when the length of the defect is more than 10cm and the width of the defect is more than 0.5 mm; if the length of the defect is more than 50cm and the width of the defect is more than 1mm, judging that the position is burnt; if the length of the defect is larger than 1cm and the width of the defect is larger than 0.5mm, judging whether the edge is broken by the system; if the length of the defect is more than 5cm and the width of the defect is more than 0.2mm, judging that the system is scratched; if the length of the defect is less than 1cm and the width of the defect is greater than 0.2mm, the system judges that the defect is damaged.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: the device comprises a corrugated pipe joint 1, a frame 2, a camera light source mechanism 3, a tow chain 4, a tow chain connecting plate 5, a three-color lamp 6, a fixed base 7, a linear guide rail 8, a slider connecting plate 9, a first photoelectric switch 10, a second photoelectric switch 11, an acousto-optic alarm lamp 12, a metal foot cup 13, a front sealing plate 14, a rear sealing plate 15, a left sealing plate 16, a right sealing plate 17, an upper sealing plate 18, a hanging ring 19, a moving frame 20, a handle 21, a first five-star handle 22, a second five-star handle 23, a first organ cover 24, a second organ cover 25, an operation table 26, a first array camera 27, a second array camera 28, a bar-shaped light source 29, a through groove 30 and a fixed plate 31.
Etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to the spirit of the present invention.
Claims (10)
1. A side edge detection device for photovoltaic glass comprises a rack (2) and two camera light source mechanisms (3) movably connected to the rack (2), wherein the two camera light source mechanisms (3) are oppositely arranged at two ends of the rack (2); the camera light source mechanism is characterized in that the moving directions of the two camera light source mechanisms (3) are positioned on the same straight line, and a width adjusting mechanism for driving the camera light source mechanisms (3) to move is arranged between the camera light source mechanisms (3) and the rack (2); the top of the camera light source mechanism (3) is arranged on a fixed base (7) which is fixedly connected, a sliding block connecting plate (9) is fixedly connected onto the fixed base (7), and a linear guide rail (8) corresponding to the sliding block connecting plate (9) is arranged on the rack (2); the camera light source mechanism (3) is internally provided with a first area-array camera (27), a second area-array camera (28) and a strip light source (29) which are arranged along the height direction of the camera light source mechanism (3).
2. The side edge detection device for photovoltaic glass according to claim 1, wherein the rack (2) is formed by splicing aluminum profiles, a first photoelectric switch (10) and a second photoelectric switch (11) are arranged on the rack (2), the first photoelectric switch (10) and the second photoelectric switch (11) are located between the two camera light source mechanisms (3), and a metal foot cup (13) is arranged at the bottom of each support leg of the rack (2).
3. The side edge detection device for photovoltaic glass according to claim 2, wherein a front sealing plate (14), a rear sealing plate (15), a left sealing plate (16), a right sealing plate (17) and an upper sealing plate (18) are arranged on each side surface of the frame (2) to wrap the two camera light source mechanisms (3), a corrugated pipe joint (1) is arranged on the right sealing plate (17), and cables connected with the two camera light source mechanisms (3) are arranged in the corrugated pipe joint (1).
4. The lateral edge detection device for photovoltaic glass according to claim 1, wherein the slider connection plate (9) is connected to the linear guide rails (8), and the frame (2) is provided with two linear guide rails (8) which are simultaneously connected with the slider connection plate (9) in a sliding manner.
5. The side edge detection device for the photovoltaic glass as claimed in claim 3, wherein a through groove (30) for installing the width adjusting mechanism is formed on the front sealing plate (14), a first organ cover (24) and a second organ cover (25) for filling the through groove (30) are arranged on two sides of the width adjusting mechanism, and the side edges of the first organ cover (24) and the second organ cover (25) are fixedly connected with the width adjusting mechanism.
6. The side edge detection device for the photovoltaic glass as claimed in claim 5, wherein the width adjustment mechanism comprises a moving frame (20) and a handle (21) connected to the top of the moving frame (20), two ends of the moving frame (20) are abutted against the surface of the upper sealing plate (18), a scale is formed on the upper sealing plate (18) along the length direction of the upper sealing plate (18), and the bottom of the moving frame (20) is connected with the slider connecting plate (9).
7. The lateral edge detection device for photovoltaic glass according to claim 6, wherein a first five-star handle (22) and a second five-star handle (23) are further disposed at two ends of the movable frame (20), a fixing plate (31) abutting against the first five-star handle (22) and the second five-star handle (23) is disposed in the through groove (30), and the fixing plate (31) is connected to the rack (2).
8. The side edge detection device for photovoltaic glass according to claim 1, wherein an acousto-optic alarm mechanism is further arranged on the frame (2), and the acousto-optic alarm mechanism comprises an acousto-optic alarm lamp (12) and a three-color lamp (6) which are arranged on the frame (2).
9. The side edge detection device for photovoltaic glass according to claim 1, wherein a drag chain connecting plate (5) is connected to the bottom of the slide block connecting plate (9), and a drag chain (4) connected with the frame (2) is connected to the drag chain connecting plate (5).
10. The detection method of the side edge detection device for the photovoltaic glass is characterized by comprising the following steps of:
step A: installing a frame (2) between adjacent rollers of a glass roller line;
and B: the height of the metal foot cup (13) is adjusted, and the parallelism and the height of the frame (2) and the two camera light source mechanisms (3) are adjusted;
step C: adjusting the position of the width adjusting mechanism, releasing the first five-star handle (22) and the second five-star handle (23), dragging the width adjusting mechanism to enable the camera light source mechanism (3) to move along the group direction of the linear guide rail (8), and screwing the first five-star handle (22) and the second five-star handle (23) after reaching a specified proper position, so as to fix the camera light source mechanism (3);
step D: arranging a first area-array camera (27) above the side edge of the glass and forming an angle of 45 degrees with the plane of the glass; the strip light source (29) is opposite to the side edge of the glass, and the center of the strip light source (29) is superposed with the central plane of the glass; the second area-array camera (28) is arranged below the side edge of the glass and forms an angle of 45 degrees with the plane of the glass;
step E: the two camera light source mechanisms (3) are powered through cables, and corresponding image information is shot in the transmission process of the glass roller line;
step F: analyzing and classifying the shot image information, and judging whether the position is missed when the length of the defect is more than 10cm and the width of the defect is more than 0.5mm by a system; if the length of the defect is more than 50cm and the width of the defect is more than 1mm, judging that the position is burnt; if the length of the defect is larger than 1cm and the width of the defect is larger than 0.5mm, judging whether the edge is broken by the system; if the length of the defect is more than 5cm and the width of the defect is more than 0.2mm, judging that the system is scratched; if the length of the defect is less than 1cm and the width of the defect is more than 0.2mm, the system judges that the defect is damaged.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210878759.4A CN115184367A (en) | 2022-07-25 | 2022-07-25 | Side edge detection device for photovoltaic glass and detection method thereof |
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| CN202210878759.4A CN115184367A (en) | 2022-07-25 | 2022-07-25 | Side edge detection device for photovoltaic glass and detection method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117574176A (en) * | 2024-01-12 | 2024-02-20 | 江苏无双新能源科技有限公司 | BIPV photovoltaic glass production process optimization method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117574176A (en) * | 2024-01-12 | 2024-02-20 | 江苏无双新能源科技有限公司 | BIPV photovoltaic glass production process optimization method |
| CN117574176B (en) * | 2024-01-12 | 2024-04-09 | 江苏无双新能源科技有限公司 | BIPV photovoltaic glass production process optimization method |
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