CN113588676A - Intelligent online quality detection device and method for far infrared carbon crystal heating plate - Google Patents
Intelligent online quality detection device and method for far infrared carbon crystal heating plate Download PDFInfo
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- CN113588676A CN113588676A CN202111043137.1A CN202111043137A CN113588676A CN 113588676 A CN113588676 A CN 113588676A CN 202111043137 A CN202111043137 A CN 202111043137A CN 113588676 A CN113588676 A CN 113588676A
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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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- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N21/94—Investigating contamination, e.g. dust
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Abstract
The invention belongs to the field of quality detection of carbon crystal heating plates, relates to a surface quality detection technology, and is used for solving the problem that double-sided detection can be realized only by turning over a heating plate in the detection process of the existing carbon crystal heating plate surface quality detection equipment, in particular to an intelligent online quality detection device and method of a far infrared carbon crystal heating plate; the rack-type welding machine comprises a workbench, wherein two symmetrical straight plates are fixedly mounted at the top of the workbench, mounting plates are fixedly mounted on the side surfaces, close to the two straight plates, of the mounting plates, arc-shaped plates are arranged on the side surfaces, far away from the straight plates, of the mounting plates through mounting blocks, and racks are fixedly mounted on the inner side surfaces of the arc-shaped plates; the invention can automatically turn over the carbon crystal heating plate when the carbon crystal heating plate runs to the position of the camera, and the two cameras are matched to shoot images of two side surfaces of the carbon crystal heating plate, so that the double-side detection can be realized without manually turning over the heating plate in the detection process, thereby improving the surface detection efficiency of the heating plate.
Description
Technical Field
The invention belongs to the field of quality detection of carbon crystal heating plates, relates to a surface quality detection technology, and particularly relates to an intelligent online quality detection device and method for a far infrared carbon crystal heating plate.
Background
The carbon crystal heating plate is a novel low-temperature radiation heating system developed by taking a carbon crystal heating plate as a core component, and the heating principle of the carbon crystal heating plate is as follows: under the action of an electric field, carbon molecular groups in the heating body generate molecular motion, violent friction and impact are generated among carbon atoms, generated heat is outwards transferred in the form of far infrared radiation and convection, and the conversion rate of electric energy and heat energy is up to more than 98%.
The quality of the surface of the carbon crystal heating plate needs to be detected after the carbon crystal heating plate is machined, and scratches and dirt on the surface of the carbon crystal heating plate are detected generally in the modes of image shooting and image processing analysis; this kind of mode complex operation, detection efficiency are low to need artifical manual the upset to the hot plate in the testing process, staff's working strength is big, and need touch the surface of hot plate with the hand in the upset process, the touching process can cause the pollution to the hot plate.
Disclosure of Invention
The invention aims to provide an intelligent online quality detection device and method for a far infrared carbon crystal heating plate, which are used for solving the problem that double-sided detection can be realized only by turning over the heating plate in the detection process of the existing carbon crystal heating plate surface quality detection equipment;
the technical problems to be solved by the invention are as follows: how to provide a two-sided quality inspection device that can carry out automatic upset to carbon brilliant hot plate.
The purpose of the invention can be realized by the following technical scheme:
the intelligent online quality detection device for the far infrared carbon crystal heating plate comprises a workbench, wherein two symmetrical straight plates are fixedly mounted at the top of the workbench, mounting plates are fixedly mounted on the side surfaces, close to the two straight plates, of the mounting plates, arc plates are arranged on the side surfaces, far away from the straight plates, of the mounting plates through mounting blocks, racks are fixedly mounted on the inner side surfaces of the arc plates, side plates are fixedly mounted at the tops of the two straight plates, a top plate is fixedly mounted between the side surfaces, close to the two side plates, of the top plate, a driving motor is fixedly mounted at the top of the top plate through a motor base, and a control box body is fixedly mounted at the bottom of the top plate;
the processor is arranged on the inner side wall of the control box body, the turntable is arranged below the control box body, and steering mechanisms which are uniformly distributed are arranged at the bottom of the turntable;
the steering mechanism comprises a connecting rod movably connected with the bottom surface of the rotary table, a connecting plate is fixedly mounted at the bottom of the connecting rod, two symmetrical connecting blocks are fixedly mounted at the bottom of the connecting plate, a clamping plate is fixedly mounted between the bottoms of the two connecting blocks, a steering roller is fixedly mounted on the outer surface of the connecting rod, a steering gear is fixedly mounted on the outer surface of the steering roller, and the steering gear is meshed with the rack;
the processor is in communication connection with an acquisition module, a storage module, a surface detection module and a controller.
Furthermore, a groove is formed in the bottom of the clamping plate, a slide rail is fixedly mounted on the inner top wall of the groove, two symmetrical slide blocks are movably connected to the slide rail, electric push rods are fixedly mounted on two inner side walls of the groove, clamping blocks are fixedly mounted at the output ends of the electric push rods, the tops of the two clamping blocks are fixedly connected with the bottoms of the two slide blocks respectively, anti-slip pads are fixedly mounted on the side faces, close to the two clamping blocks, of the two clamping blocks, and a wedge-shaped opening is formed in the bottom of the clamping block.
Further, the diapire has the bull stick through bearing swing joint in the control box, the bull stick top pass the roof and with driving motor's output fixed connection, bull stick outer fixed surface installs first commentaries on classics roller, the outer fixed surface of first commentaries on classics roller installs first drive gear, roof has the pivot through bearing swing joint in the control box, pivot bottom fixed mounting has the second to change the roller, the second changes roller outer fixed surface and installs second drive gear, second drive gear meshes with first drive gear mutually, the bottom that the second changes the roller pass the control box the inner diapire and with the top surface fixed connection of carousel.
Furthermore, the acquisition module comprises cameras arranged on the side surfaces of the two straight plates, and is used for shooting images of the surface of the carbon crystal heating plate and sending the shot images to the surface detection module;
the surface detection module is used for analyzing the surface quality of the carbon crystal heating plate through the received image;
the storage module is used for storing the data of the surface detection;
the output end of the controller is electrically connected with the driving motor and the input end of the electric push rod.
Further, the specific process of analyzing the surface quality of the carbon crystal heating plate by the surface detection module comprises the following steps:
step P1: marking the received image as an analysis image, acquiring the number of scratches in the analysis image and marking the scratch number as GH, amplifying the analysis image into a pixel grid image, marking the obtained pixel grid image as a comparison image, marking the pixel grid of the comparison image as i, i being 1, 2, …, n, acquiring the gray value of a pixel grid i through gray level transformation and marking the gray value as HDi;
step P2: acquiring a gray threshold value through a storage module, comparing the gray value HDi of the pixel grid i with the gray threshold value, marking the number of the pixel grids with the gray value larger than the gray threshold value as m, marking the ratio of m to n as a gray ratio, and comparing the gray ratio with the gray ratio threshold value:
if the gray scale ratio is larger than or equal to the gray scale ratio threshold value, judging that the surface detection is finished, marking the surface detection result as unqualified, and sending an unqualified signal to a processor by a surface detection module;
if the gray scale ratio is smaller than the gray scale ratio threshold value, marking the surface detection result as pending, and carrying out the next step;
step P3: the surface coefficient of the carbon crystal heating plate is obtained by analyzing the number of scratches and the gray scale ratio, the surface coefficient is compared with a surface coefficient threshold value, and the surface detection result of the carbon crystal heating plate is judged according to the comparison result.
Further, the comparing process of the surface coefficient and the surface coefficient threshold value in step P3 includes:
if the surface coefficient is larger than or equal to the surface coefficient threshold value, judging that the surface detection is finished, marking the surface detection result as unqualified, and sending an unqualified signal to a processor by a surface detection module;
and if the surface coefficient is smaller than the surface coefficient threshold value, judging that the surface detection is finished, marking the surface detection result as qualified, and sending a qualified signal to the processor by the surface detection module.
Further, send the signal of unloading to the controller after the treater receives unqualified signal, the controller receives two electric putter shrink simultaneously after the signal of unloading, and the brilliant hot plate of carbon of centre gripping between two clamp splice falls in the material receiving groove of below.
The intelligent online quality detection method of the far infrared carbon crystal heating plate comprises the following steps:
the method comprises the following steps: placing a plurality of carbon crystal heating plates to be detected at the bottoms of a plurality of clamping plates respectively, extending out through an electric push rod, and clamping and fixing the carbon crystal heating plates by two clamping blocks which are close to each other;
step two: starting a driving motor to drive a rotating rod to rotate, driving a second rotating roller to rotate under the transmission action of a first transmission gear and a second transmission gear, synchronously rotating a rotating disc at the bottom of the second rotating roller when the second rotating roller rotates, shooting the surface of the carbon crystal heating plate by a camera when the carbon crystal heating plate passes through one of the cameras, and sending the shot image to a surface detection module for surface detection;
step three: when the carbon crystal heating plate subjected to one detection rotates to the position of another camera along with the rotation of the turntable, the steering gear is meshed with the rack, the carbon crystal heating plate revolves around the center of the turntable and rotates, so that the carbon crystal heating plate is turned over, the other camera is used for shooting the other surface of the carbon crystal heating plate, and the shot image is sent to the surface detection module for surface detection;
step four: the surface detection module detects the surface quality of the carbon crystal heating plate through the received image, when the surface detection result is unqualified, the surface detection module sends an unqualified signal to the processor, the processor receives the unqualified signal and then sends an unloading signal to the controller, the controller receives the unloading signal and then controls the two electric push rods to contract, the two clamping blocks are separated from each other, and the carbon crystal heating plate between the two clamping blocks drops in the material receiving groove.
The invention has the following beneficial effects:
1. the carbon crystal heating plate can be automatically turned when running to the position of the camera through the structures such as the steering gear, the steering rack and the like, the two sides of the carbon crystal heating plate are shot by matching with the two cameras, and double-side detection can be realized without manually turning the heating plate in the detection process, so that the surface detection efficiency of the heating plate is improved, the working strength of workers is reduced, and meanwhile, the pollution to the surface of the heating plate in the manual turning process is avoided;
2. the stability of the carbon crystal heating plate in the detection process is guaranteed by the clamping mode of the two electric push rods, the heating plate is stably clamped at two sides by the two clamping blocks, when the detection result is unqualified, the electric push rods shrink to enable the heating plate to fall into the material receiving groove for discharging, the heating plate which does not pass through surface detection falls into the material receiving groove for centralized storage, and after all the detections of the heating plate in the same batch are completed, the heating plate in the material receiving groove is subjected to centralized rework processing;
3. the surface detection module can continuously analyze scratches and dirt on the surface of the heating plate through an image analysis technology, judge whether oil stains exist on the surface of the heating plate through a gray scale comparison technology, and independently analyze images shot by the two cameras, so that the surface quality of the carbon crystal heating plate is strictly controlled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a front view of the steering mechanism of the present invention;
FIG. 3 is a front view of the clamping plate structure of the present invention when clamping the heating plate;
FIG. 4 is a left side view of the splint construction of the present invention;
FIG. 5 is a front sectional view of the control box structure of the present invention;
FIG. 6 is a top view of the arc plate and steering gear of the present invention;
fig. 7 is a schematic block diagram of embodiment 2 of the present invention.
In the figure: 1. a work table; 2. a steering mechanism; 201. a connecting rod; 202. a connecting plate; 203. connecting blocks; 204. a splint; 205. a turning roll; 206. a steering gear; 207. a groove; 208. a slide rail; 209. a slider; 210. an electric push rod; 211. a clamping block; 3. a material receiving groove; 4. a straight plate; 5. mounting a plate; 6. mounting blocks; 7. an arc-shaped plate; 8. a rack; 9. a camera; 10. a side plate; 11. a top plate; 12. a drive motor; 13. a control box body; 14. a rotating rod; 15. a first rotating roller; 16. a first drive gear; 17. a rotating shaft; 18. a second rotating roller; 19. a second transmission gear; 20. a turntable.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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.
Example 1
As shown in fig. 1-6, an intelligent online quality detection device for a far infrared carbon crystal heating plate comprises a workbench 1, a material receiving groove 3 is fixedly installed on the top surface of the workbench 1, sponge pads are adhered to the inner bottom wall and the inner side wall of the material receiving groove 3, the sponge pads are used for buffering the heating plate when the heating plate falls into the material receiving groove 3, openings are respectively formed in the two inner side walls of the material receiving groove 3, a camera 9 shoots images on the surface of the heating plate when the heating plate runs to the openings, two symmetrical straight plates 4 are fixedly installed on the top of the workbench 1, an installation plate 5 is fixedly installed on the side surfaces, close to the two straight plates 4, of the installation plate 5, two symmetrical installation blocks 6 are fixedly installed on the side surfaces, far away from the installation plate 5, an arc plate 7 is fixedly installed between the side surfaces, of the arc plate 7, a rack 8 is fixedly installed on the inner side surface, when a steering gear 206 is in contact with the rack 8, the steering gear 206 rotates along with circular motion of the steering gear 206, the rack 8 is used for driving the steering gear 206 to rotate, so that the carbon crystal heating plate below the steering gear 206 is turned, two cameras 9 are used for respectively shooting two surfaces of the carbon crystal heating plate, double-sided detection of the carbon crystal heating plate is realized without manual auxiliary operation, the cameras 9 are arranged on the side surfaces, close to each other, of the two straight plates 4, the cameras 9 are used for shooting the surface of the carbon crystal heating plate, the surface quality of the carbon crystal heating plate is detected and analyzed through the shot images, the top parts of the two straight plates 4 are respectively and fixedly provided with a side plate 10, a top plate 11 is fixedly arranged between the side surfaces, close to each other, of the two side plates 10, the top part of the top plate 11 is fixedly provided with a driving motor 12 through a motor base, the driving motor 12 is used for driving the turntable 20 to rotate, so that the plurality of steering mechanisms 2 and the turntable 20 move synchronously, the bottom of the top plate 11 is fixedly provided with a control box body 13;
as shown in fig. 5, a rotating rod 14 is movably connected to an inner bottom wall of the control box 13 through a bearing, a top of the rotating rod 14 penetrates through the top plate 11 and is fixedly connected with an output end of the driving motor 12, a first rotating roller 15 is fixedly installed on an outer surface of the rotating rod 14, a first transmission gear 16 is fixedly installed on an outer surface of the first rotating roller 15, a rotating shaft 17 is movably connected to an inner top wall of the control box 13 through a bearing, a second rotating roller 18 is fixedly installed at a bottom of the rotating shaft 17, a second transmission gear 19 is fixedly installed on an outer surface of the second rotating roller 18, the second transmission gear 19 is meshed with the first transmission gear 16, a rotating disc 20 is fixedly installed at a bottom of the second rotating roller 18 and penetrates through an inner bottom wall of the control box 13, the driving motor 12 is used for driving the rotating rod 14 to rotate, and the second rotating roller 18 is driven to rotate under the transmission action of the first transmission gear 16 and the second transmission gear 19, so that the rotating disc 20 rotates;
as shown in fig. 2-3, a plurality of steering mechanisms 2 are arranged at the bottom of the turntable 20, the plurality of steering mechanisms 2 are uniformly distributed at the edge of the bottom surface of the turntable 20, each steering mechanism 2 comprises a connecting rod 201 movably connected with the bottom surface of the turntable 20, a connecting plate 202 is fixedly arranged at the bottom of the connecting rod 201, two symmetrical connecting blocks 203 are fixedly arranged at the bottom of the connecting plate 202, a clamping plate 204 is fixedly arranged between the bottoms of the two connecting blocks 203, the carbon crystal heating plate is clamped and fixed by the clamping plate 204 to ensure the stability of the carbon crystal heating plate in the surface detection process, a steering roller 205 is fixedly arranged on the outer surface of the connecting rod 201, a steering gear 206 is fixedly arranged on the outer surface of the steering roller 205, the steering gear 206 is engaged with a rack 8, when the steering gear 206 runs to the position of the rack 8, the rack 8 drives the steering gear 206 to rotate, so that the clamping plate 204 and the turntable 20 rotate synchronously, the heating plate is driven to turn over, and two cameras 9 are used for respectively shooting to realize double-sided detection of the carbon crystal heating plate;
as shown in fig. 4, a groove 207 is formed at the bottom of the clamping plate 204, a sliding rail 208 is fixedly mounted on the inner top wall of the groove 207, two symmetrical sliding blocks 209 are movably connected to the sliding rail 208, electric push rods 210 are fixedly mounted on both inner side walls of the groove 207, clamping blocks 211 are fixedly mounted at the output ends of the electric push rods 210, the electric push rods 210 extend out to push the two clamping blocks 211 to approach each other, the two clamping blocks 211 are used for clamping and fixing the top of the carbon crystal heating plate, the top of the two clamping blocks 211 is respectively fixedly connected with the bottoms of the two sliding blocks 209, the sliding blocks 209 and the sliding rail 208 are used for up and down moving the clamping blocks 211, preceding, spacing on the rear direction guarantees that clamp splice 211 only can move on the horizontal direction, and the equal fixed mounting in side that two clamp splices 211 are close to mutually has the slipmat, and the slipmat is used for increasing the frictional force between clamp splice 211 side and the brilliant heating plate surface of carbon, and the wedge opening has been seted up to clamp splice 211 bottom.
Example 2
As shown in fig. 7, a processor is arranged on the inner side wall of the control box 13, and the processor is in communication connection with an acquisition module, a storage module, a surface detection module and a controller;
the storage module is used for storing the data of the surface detection;
the acquisition module comprises cameras 9 arranged on the side surfaces of the two straight plates 4, and is used for shooting images of the surface of the carbon crystal heating plate and sending the shot images to the surface detection module;
the output end of the controller is electrically connected with the driving motor 12 and the input end of the electric push rod 210, and when the surface detection result is unqualified, the controller controls the electric push rod 210 to contract for blanking;
the surface detection module is used for analyzing the surface quality of the carbon crystal heating plate through the received image, and the specific analysis process comprises the following steps:
and marking the received image as an analysis image, and acquiring the number of scratches in the analysis image through an image analysis technology and marking the number of scratches as GH, wherein the image analysis technology comprises image enhancement, image cutting and image comparison. Amplifying the analysis image into a pixel grid image, marking the obtained pixel grid image as a contrast image, marking the pixel grid of the contrast image as i, i is 1, 2, …, n, acquiring the gray value of the pixel grid i through gray level conversion and marking the gray value as HDi, and directly acquiring the HDi through the gray level conversion technology; acquiring a gray threshold HDmax through a storage module, comparing the gray value HDi of a pixel grid i with the gray threshold HDmax, marking the number of the pixel grids with the gray value larger than the gray threshold as m, marking the ratio of m to n as a gray ratio HB, and comparing the gray ratio HB with the gray ratio threshold HBmax:
if the gray scale HB is larger than or equal to the gray scale threshold HBmax, judging that the surface detection is finished, marking the surface detection result as unqualified, and sending an unqualified signal to a processor by the surface detection module;
and if the gray scale ratio HB is smaller than the gray scale ratio threshold value HBmax, marking the surface detection result as pending.
Carrying out depth analysis on the comparison image to be determined, wherein the depth analysis process comprises the following steps: the surface coefficient BMx of the carbon crystal heating plate is obtained by the formula BMx ═ α 1 × HG + α 2 × HB, it should be noted that the surface coefficient BMx is a numerical value representing the degree of surface contamination of the carbon crystal heating plate, and a higher numerical value of the surface coefficient BMx represents a more serious surface contamination of the corresponding carbon crystal heating plate, where α 1 and α 2 are proportional coefficients, and α 2 > α 1 > 0, and the surface coefficient BMx is compared with the surface coefficient threshold BMmax:
if the surface coefficient BMx is greater than or equal to the surface coefficient threshold value BMmax, judging that the surface detection is finished, marking the surface detection result as unqualified, and sending an unqualified signal to the processor by the surface detection module;
if the surface coefficient BMx is less than the surface coefficient threshold BMmax, then the surface inspection is determined to be complete, the surface inspection result is marked as pass, and the surface inspection module sends a pass signal to the processor.
The treater sends the signal of unloading to the controller after receiving unqualified signal, and the controller receives two electric putter 210 of control after the signal of unloading and contracts simultaneously, and the brilliant hot plate of carbon of centre gripping between two clamp splice 211 drops in the silo 3 that connects of below.
Example 3
The intelligent online quality detection method of the far infrared carbon crystal heating plate comprises the following steps:
the method comprises the following steps: placing a plurality of carbon crystal heating plates to be detected at the bottoms of the clamping plates 204 respectively, extending out through the electric push rod 210, and clamping and fixing the carbon crystal heating plates by the two clamping blocks 211 approaching to each other;
step two: the driving motor 12 is started to drive the rotating rod 14 to rotate, the second rotating roller 18 is driven to rotate under the transmission action of the first transmission gear 16 and the second transmission gear 19, the rotating disc 20 at the bottom of the second rotating roller 18 rotates synchronously when the second rotating roller 18 rotates, and when the carbon crystal heating plate passes through one of the cameras 9, the camera 9 shoots the surface of the carbon crystal heating plate and sends the shot image to the surface detection module for surface detection;
step three: when the carbon crystal heating plate subjected to one detection rotates to the position of the other camera 9 along with the rotation of the turntable 20, the steering gear 206 is meshed with the rack 8, the carbon crystal heating plate rotates while revolving around the center of the turntable 20, so that the other surface of the carbon crystal heating plate is subjected to image shooting by the other camera 9, and the shot image is sent to a surface detection module for surface detection;
step four: the surface detection module detects the surface quality of the carbon crystal heating plate through the received image, when the surface detection result is unqualified, the surface detection module sends an unqualified signal to the processor, the processor receives the unqualified signal and then sends an unloading signal to the controller, the controller receives the unloading signal and then controls the two electric push rods 210 to contract, the two clamping blocks 211 are separated from each other, and the carbon crystal heating plate between the two clamping blocks 211 falls in the material receiving groove 3.
Intelligent online quality detection device of brilliant hot plate of far infrared carbon, in operation, place the bottom at a plurality of splint 204 respectively with a plurality of brilliant hot plates of carbon that wait to detect, stretch out through electric putter 210, two clamp splice 211 are close to each other and carry out the centre gripping fixed to the brilliant hot plate of carbon, utilize driving motor 12 drive carousel 20 to rotate, a plurality of brilliant hot plates of carbon are in carousel 20's bottom and carousel 20 synchronous motion, when steering gear 206 and rack 8 contact, the brilliant hot plate of carbon overturns, utilize two cameras 9 to carry out image shooting respectively to two surfaces of the brilliant hot plate of carbon and will shoot the image transmission who sends to surface detection module and carry out surface detection, surface detection result is when unqualified through two electric putter 210 shrinkages of controller control, unqualified brilliant hot plate of carbon falls and connects the storage to concentrate in silo 3.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
The formulas are obtained by acquiring a large amount of data and performing software simulation, and the coefficients in the formulas are set by the technicians in the field according to actual conditions; such as: formula BMx ═ α 1 × HG + α 2 × HB; collecting multiple groups of sample data and setting a corresponding rating coefficient for each group of sample data by a person skilled in the art; substituting the set rating coefficient and the collected sample data into formulas, forming a linear equation set by any two formulas, screening the calculated coefficients and taking the mean value to obtain values of alpha 1 and alpha 2 which are 1.43 and 2.35 respectively;
the size of the coefficient is a specific numerical value obtained by quantizing each parameter, so that the subsequent comparison is convenient, and the size of the coefficient depends on the number of sample data and the corresponding surface coefficient is preliminarily set for each group of sample data by a person skilled in the art; as long as the proportional relationship between the parameter and the quantified value is not affected, for example, the surface coefficient is proportional to the value of the number of scratches.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. An intelligent online quality detection device of a far infrared carbon crystal heating plate comprises a workbench (1), it is characterized in that a material receiving groove (3) is fixedly arranged on the top surface of the workbench (1), two symmetrical straight plates (4) are fixedly arranged at the top of the workbench (1), mounting plates (5) are fixedly arranged on the side surfaces of the two straight plates (4) close to each other, the side surface of the mounting plate (5) far away from the straight plate (4) is provided with an arc-shaped plate (7) through a mounting block (6), a rack (8) is fixedly arranged on the inner side surface of the arc-shaped plate (7), side plates (10) are fixedly arranged on the tops of the two straight plates (4), a top plate (11) is fixedly arranged between the side surfaces of the two side plates (10) which are close to each other, a driving motor (12) is fixedly mounted at the top of the top plate (11) through a motor base, and a control box body (13) is fixedly mounted at the bottom of the top plate (11);
a processor is arranged on the inner side wall of the control box body (13), a rotary table (20) is arranged below the control box body (13), and steering mechanisms (2) which are uniformly distributed are arranged at the bottom of the rotary table (20);
the bottom of the rotary table (20) is provided with a plurality of steering mechanisms (2), the plurality of steering mechanisms (2) are uniformly distributed at the edge of the bottom surface of the rotary table (20), each steering mechanism (2) comprises a connecting rod (201) movably connected with the bottom surface of the rotary table (20), a connecting plate (202) is fixedly installed at the bottom of each connecting rod (201), two symmetrical connecting blocks (203) are fixedly installed at the bottom of each connecting plate (202), a clamping plate (204) is fixedly installed between the bottoms of the two connecting blocks (203), a steering roller (205) is fixedly installed on the outer surface of each connecting rod (201), a steering gear (206) is fixedly installed on the outer surface of each steering roller (205), and the steering gear (206) is meshed with the rack (8);
the processor is in communication connection with an acquisition module, a storage module, a surface detection module and a controller.
2. The intelligent online quality detection device for the far infrared carbon crystal heating plate according to claim 1, wherein a groove (207) is formed in the bottom of the clamping plate (204), a slide rail (208) is fixedly mounted on the inner top wall of the groove (207), two symmetrical slide blocks (209) are movably connected to the slide rail (208), electric push rods (210) are fixedly mounted on two inner side walls of the groove (207), clamping blocks (211) are fixedly mounted at the output ends of the electric push rods (210), the tops of the two clamping blocks (211) are fixedly connected with the bottoms of the two slide blocks (209) respectively, anti-skid pads are fixedly mounted on the side faces, close to the two clamping blocks (211), of the clamping blocks (211), and wedge-shaped openings are formed in the bottoms of the clamping blocks (211).
3. The intelligent online quality detection device for the far infrared carbon crystal heating plate according to claim 1, wherein a rotating rod (14) is movably connected to the inner bottom wall of the control box body (13) through a bearing, the top of the rotating rod (14) penetrates through the top plate (11) and is fixedly connected with the output end of the driving motor (12), a first rotating roller (15) is fixedly mounted on the outer surface of the rotating rod (14), a first transmission gear (16) is fixedly mounted on the outer surface of the first rotating roller (15), a rotating shaft (17) is movably connected to the inner top wall of the control box body (13) through a bearing, a second rotating roller (18) is fixedly mounted at the bottom of the rotating shaft (17), a second transmission gear (19) is fixedly mounted on the outer surface of the second rotating roller (18), the second transmission gear (19) is meshed with the first transmission gear (16), and the bottom of the second rotating roller (18) penetrates through the inner bottom wall of the control box body (13) and is fixedly connected with the top surface of the rotating disc (20) And (4) connecting.
4. The intelligent online quality detection device for the far infrared carbon crystal heating plate according to claim 2, wherein the acquisition module comprises cameras (9) arranged on the side surfaces of the two straight plates (4), and is used for shooting images of the surface of the carbon crystal heating plate and sending the shot images to the surface detection module;
the surface detection module is used for analyzing the surface quality of the carbon crystal heating plate through the received image;
the storage module is used for storing the data of the surface detection;
the output end of the controller is electrically connected with the input ends of the driving motor (12) and the electric push rod (210).
5. The intelligent online quality detection device for the far infrared carbon crystal heating plate according to claim 4, wherein the specific process of analyzing the surface quality of the carbon crystal heating plate by the surface detection module comprises the following steps:
step P1: marking the received image as an analysis image, acquiring the number of scratches in the analysis image and marking the scratch number as GH, amplifying the analysis image into a pixel grid image, marking the obtained pixel grid image as a comparison image, marking the pixel grid of the comparison image as i, i being 1, 2, …, n, acquiring the gray value of a pixel grid i through gray level transformation and marking the gray value as HDi;
step P2: acquiring a gray threshold value through a storage module, comparing the gray value HDi of the pixel grid i with the gray threshold value, marking the number of the pixel grids with the gray value larger than the gray threshold value as m, marking the ratio of m to n as a gray ratio, and comparing the gray ratio with the gray ratio threshold value:
if the gray scale ratio is larger than or equal to the gray scale ratio threshold value, judging that the surface detection is finished, marking the surface detection result as unqualified, and sending an unqualified signal to a processor by a surface detection module;
if the gray scale ratio is smaller than the gray scale ratio threshold value, marking the surface detection result as pending, and carrying out the next step;
step P3: the surface coefficient of the carbon crystal heating plate is obtained by analyzing the number of scratches and the gray scale ratio, the surface coefficient is compared with a surface coefficient threshold value, and the surface detection result of the carbon crystal heating plate is judged according to the comparison result.
6. The intelligent online quality detection device for the far infrared carbon crystal heating plate according to claim 5, wherein the comparison process of the surface coefficient and the surface coefficient threshold value in the step P3 comprises:
if the surface coefficient is larger than or equal to the surface coefficient threshold value, judging that the surface detection is finished, marking the surface detection result as unqualified, and sending an unqualified signal to a processor by a surface detection module;
and if the surface coefficient is smaller than the surface coefficient threshold value, judging that the surface detection is finished, marking the surface detection result as qualified, and sending a qualified signal to the processor by the surface detection module.
7. The intelligent online quality detection device for the far infrared carbon crystal heating plate according to claim 6, wherein the processor sends a discharging signal to the controller after receiving the failure signal, the controller controls the two electric push rods (210) to simultaneously contract after receiving the discharging signal, and the carbon crystal heating plate clamped between the two clamping blocks (211) falls into the receiving groove (3) below.
8. The intelligent online quality detection method of the far infrared carbon crystal heating plate is characterized by comprising the following steps of:
the method comprises the following steps: placing a plurality of carbon crystal heating plates to be detected at the bottoms of a plurality of clamping plates (204) respectively, extending out through an electric push rod (210), and clamping and fixing the carbon crystal heating plates by two clamping blocks (211) which are close to each other;
step two: the carbon crystal heating plate surface detection method comprises the steps that a driving motor (12) is started to drive a rotating rod (14) to rotate, a second rotating roller (18) is driven to rotate under the transmission effect of a first transmission gear (16) and a second transmission gear (19), a rotating disc (20) at the bottom of the second rotating roller (18) rotates synchronously when the second rotating roller (18) rotates, and when the carbon crystal heating plate passes through one camera (9), the camera (9) shoots the surface of the carbon crystal heating plate and sends the shot image to a surface detection module for surface detection;
step three: when the carbon crystal heating plate subjected to one detection rotates to the position of another camera (9) along with the rotation of the turntable (20), the steering gear (206) is meshed with the rack (8), the carbon crystal heating plate revolves around the center of the turntable (20) and rotates, the carbon crystal heating plate is turned over, the other surface of the carbon crystal heating plate is shot by the other camera (9), and the shot image is sent to a surface detection module for surface detection;
step four: the surface detection module detects the surface quality of the carbon crystal heating plate through the received image, when the surface detection result is unqualified, the surface detection module sends an unqualified signal to the processor, the processor sends an unloading signal to the controller after receiving the unqualified signal, the controller controls the two electric push rods (210) to contract after receiving the unloading signal, the two clamping blocks (211) are separated from each other, and the carbon crystal heating plate between the two clamping blocks (211) drops in the material receiving groove (3).
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