A packaging service method and system based on internet of things

Abstract

The application discloses a kind of method and system, the method includes the following steps: according to the sharpness of single sharp node, the thickness of corner protector is obtained, according to the shape of the area covered by corner protector and the thickness of corner protector, the volume of corner protector is obtained;When the total volume of the required corner protector material is within the threshold value, the corner protector coverage density value before and after the corner protector coverage is obtained, and the corresponding collapse coefficient is obtained, the surface area of the plastic packaging material is obtained according to the product of the collapse coefficient and the correction coefficient according to the proportion of each region of the edge to the total area;Otherwise, according to the difference of score, the different thickness of the corresponding node on the packaging material is determined;Under the rule that the shape and volume of the packaging part are not changed and the overlapping edge node of the packaging part is within the threshold value, the packaging part combination is obtained, a cuboid is constructed according to the outermost tangent, and the packaging part is secondarily packaged by selecting the packaging group with the smallest total volume of gap and the length, width and height parameters within the threshold value, the application has the characteristics of improving the accuracy and efficiency of packaging service.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of industrial packaging, in particular to a packaging service method and system based on the Internet of Things. BACKGROUND

[0002] In the process of production, life and work, many devices and instruments are assembled by parts, so the assembly and preservation of parts are very important. In the factory with high industrial integration, the packaging service system is often used to plastic package the single parts and to secondarily package the multiple primary packaged parts.

[0003] The prior art uses single and fixed thickness packaging materials and corresponding packaging methods to package parts, but the industrial production parts have some unpredictable sharp areas, which leads to the problem of part packaging damage in the prior art. In addition, some parts have high economic benefits, and the use of uniform thickness packaging materials for packaging parts will lead to the problems of low profit and resource waste. Moreover, the prior art uses the method of simply stacking several primary packages for secondary packaging, which will cause the problems of large space between parts, packaging material wear and tear, waste and low packaging accuracy caused by loose single primary parts. Therefore, it is necessary to design a packaging service method and system based on the Internet of Things for more accurate detection of parameters related to packaged parts and improvement of packaging and safety efficiency. SUMMARY

[0004] The present application aims to provide a packaging service method and system based on the Internet of Things to solve the problems raised in the background.

[0005] In order to solve the above technical problems, the present application provides the following technical solution: a packaging service method based on the Internet of Things, the method comprising the following steps:

[0006] According to the included angle between the error nodes of the parts and the length of the connecting line, the error degree is obtained, the sharpness of the single sharp node is obtained, the sharpness of the adjacent sharp nodes is obtained after laser irradiation according to the reflection angle and the nearest distance, and the sharp corner volume is obtained according to the shape of the covered area and the sharp corner thickness;

[0007] When the total volume of the required sharp corner material is within the threshold value, the sharp corner coverage density value is obtained by comparing before and after the sharp corner coverage, and the corresponding collapse coefficient is obtained. The surface area of the plastic packaging material is obtained according to the product of the collapse coefficient and the correction coefficient according to the proportion of each area occupying the total area;

[0008] When the total volume of the required sharp corner material exceeds the threshold value, the score difference degree is obtained, and the different thicknesses of the corresponding nodes on the packaging material are determined according to the score difference degree;

[0009] The package parts combination is obtained under the rule that the shape and volume of the package parts are not changed and the overlapping package part edge nodes are within a threshold, a cuboid is constructed according to the outermost tangent line, and the package parts are secondarily packaged by selecting a package group with the length, width and height parameters within the threshold and the minimum total volume of the gap.

[0010] According to the technical scheme, the error degree is obtained according to the included angle between the error nodes and the length of the connecting line, which comprises:

[0011] A multi-angle visual image of the part is obtained, the feature nodes of the part are identified after scanning the visual image, and a three-dimensional model of the part is obtained after connecting the feature nodes, the three-dimensional model of the part being a closed solid area formed by a plurality of feature nodes;

[0012] The three-dimensional model of the part is compared with a system preset model, the feature nodes with a similarity lower than a set threshold are marked as error nodes, and a plurality of adjacent error nodes are marked as an error region;

[0013] The connecting line between the single error node and any remaining error node in the error region is obtained, the included angle between the connecting line and the vertical direction is obtained, and the first error degree is obtained according to the first preset relationship between the included angle and the error degree The length of the connecting line is obtained, and the second error degree is obtained according to the second preset relationship between the length of the connecting line and the error degree The included angle of the single error node and the corresponding length of the connecting line are marked as a group of error data, and the error coefficient is obtained according to the preset relationship between the single group of error data and the error degree;

[0014] The error degree of the single error node is calculated according to the formula , The error coefficient corresponding to the single group of error data is The weight of the error degree corresponding to the included angle is The weight of the error degree corresponding to the length of the connecting line is

[0015] According to the technical scheme, the corner thickness is obtained according to the sharpness of the single sharp node, the corner thickness of the adjacent sharp node is obtained according to the reflection angle and the nearest distance after laser irradiation, and the corner volume is obtained according to the shape of the area covered by the corner and the corner thickness, which comprises:

[0016] The total distance without shielding between the error node and any part edge feature node is obtained, and the error node with the total distance within a threshold is marked as a sharp node;

[0017] Mark the closed area composed of adjacent sharp nodes as a sharp area, obtain the average error degree of the same sharp area, obtain the single sharp node and the average error degree and the error degree difference value closest to the sharp node respectively, set the weight of the two difference values respectively to obtain the influence coefficient of the error degree difference value on the sharpness, obtain the correction coefficient of the total distance on the sharpness according to the product of the error degree of each point and the total distance, the sharpness is the product of the influence coefficient and the correction coefficient, and the thickness of the corner guard covering the point is obtained according to the preset relationship between the sharpness and the corner guard thickness;

[0018] Adopt visible light to irradiate the sharp area of the part solid model and the part area adjacent to the sharp area, when the reflection angle of the refracted ray emitted from the part area is within the same threshold as the sharp area, mark the feature node where the ray emitting part area is located as an adjacent sharp node, cover the sharp node and the adjacent sharp node with the traceless adhesive, set the weight of the reflection angle of the adjacent sharp node and the distance from the nearest sharp node respectively to obtain the corner guard thickness of the adjacent sharp node;

[0019] According to the part solid model, obtain the total volume of the corner guards of several sharp areas according to the shape and thickness of the corner guard covering a single sharp node or adjacent sharp node.

[0020] According to the above technical solution, when the total volume of the required corner guard material is within the threshold, obtain the corner guard covering density value before and after covering the corner guard, and obtain the corresponding collapse coefficient, obtain the surface area of the plastic package material according to the product of the collapse coefficient and the correction coefficient according to the proportion value of each area occupying the total area, including:

[0021] When the total volume of the corner guard occupies the proportion of the part volume without exceeding the set threshold, obtain the new first part volume composed of the traceless adhesive after adsorption;

[0022] Compare the corner guard covering area with the material when the corner guard is not covered, retrieve the density value of the original area material, obtain the corner guard covering density value according to the preset relationship according to the volume proportion value of the original area material and the volume of the corner guard area, and obtain the collapse coefficient corresponding to the corner guard area according to the density value;

[0023] Obtain the remaining edge nodes of the part except the corner guard covering area, identify the material type of the remaining edge nodes and obtain the material density value, mark the area composed of adjacent edge nodes of the same material as a material area, and obtain the collapse coefficient corresponding to the material area according to the material density value;

[0024] A proportion value of the corner protection coverage area and the material area edge node occupying the total number of part edge nodes is obtained respectively, different weights are set for each proportion value, a correction coefficient of the first part volume is obtained, a product of the first part volume and the collapse coefficient and the correction coefficient is marked as a second part volume, and a surface area of the plastic packaging material is obtained according to the second part volume.

[0025] According to the above technical scheme, when the total volume of the required corner protection material exceeds the threshold value, a score difference is obtained, and different thicknesses of the corresponding nodes on the packaging material are determined according to the score difference, which includes:

[0026] A proportion value of the total volume of the corner protection occupying the part volume is obtained, when the proportion value exceeds a set threshold value, a first packaging material is selected for packaging, a sharpness of the sharp node is obtained, and a corresponding puncture coefficient is obtained according to a preset relationship between the sharpness and the puncture coefficient;

[0027] The total sum of the puncture coefficients of all sharp nodes in a single sharp area is obtained, the ratio of the total sum to the number of sharp nodes is marked as a puncture score in the single sharp area, a discrete model is established according to the puncture scores of a plurality of sharp areas, and the variance of the discrete model is marked as a score difference;

[0028] When the score difference is within a threshold value, a preset influence coefficient corresponding to the highest score is selected, a corresponding packaging material thickness is obtained, and a surface area of the packaging material is obtained according to the part volume;

[0029] Otherwise, the sharp nodes and the feature nodes are matched on the surface of the packaging material, the packaging material thickness of the feature nodes is set as the original value, the packaging material thickness corresponding to the sharp nodes is obtained according to the influence coefficient corresponding to the puncture score, the difference between the packaging material thickness of the sharp area and the original thickness is obtained, a corresponding number of feature nodes adjacent to the sharp nodes on the packaging material are marked as transition nodes, the distance between the transition nodes and the transition nodes closest to the sharp nodes is obtained, and a corresponding packaging material thickness having a negative correlation with the distance is obtained;

[0030] The part is packaged according to the surface area and thickness of the first packaging material.

[0031] According to the above technical scheme, the packaging part combination is obtained under the rules that the shape and volume of the packaged part are not changed and the overlapping edge nodes of the packaged part are within a threshold value, which includes:

[0032] After scanning the visual image where the packaging part is located, the edge nodes are identified, the same edge nodes of a plurality of visual images are overlapped to confirm the positions of the edge nodes, and a packaging part model of a single packaging part in a three-dimensional scenario is obtained;

[0033] According to the packaging part model, the shape and volume of the packaging part are obtained, and a specific preset number of packaging parts are combined after edge angle adjustment without changing the shape and volume of the packaging part, a plurality of groups are obtained, the number of overlapping packaging part edge nodes in a single combination is marked, and the number of overlapping packaging part edge nodes of adjacent single packaging part models in a single combination must be greater than a set threshold value;

[0034] A secondary packaging part after the combination of the packaging parts is obtained, edge nodes of the secondary packaging part are identified, the edge nodes form a closed solid area, and an estimated volume of the secondary packaging part is obtained;

[0035] The proportion data of the edge nodes in the total number of edge nodes of the specific preset number of packaging parts is obtained, and after data fusion of the proportion data and the number of overlapping packaging part edge nodes, a volume correction coefficient of the secondary packaging part is obtained. The product of the estimated volume of the secondary packaging part and the volume correction coefficient is marked as the total volume of the second packaging part;

[0036] According to the difference between the total volume of the second packaging part and the volume of the specific preset number of packaging parts, the total volume of the gap is obtained.

[0037] According to the above technical solution, the secondary packaging of the packaging parts is performed according to the cuboid constructed according to the outermost tangent and the packaging group with the minimum total volume of the gap and the length, width and height parameters within the threshold value.

[0038] Different angle tangents are made on the outer edges of the solid area finally combined in each group, and the tangents are required to not pass through the solid area. After screening a plurality of tangents, a cuboid including the outermost tangent is obtained, a second packaging part arrangement group within the length, width and height threshold value of the cuboid is obtained, the group is marked as a candidate group, the total volume of the gap of the candidate group is sorted from low to high, and the second packaging part corresponding to the group with the lowest total volume is marked as the secondary packaging part;

[0039] The volume of the secondary packaging part is obtained, the surface area of the corresponding secondary packaging material is obtained, and the secondary packaging part is packaged after the surface area is obtained.

[0040] A packaging service system based on the Internet of Things, the system comprising:

[0041] The corner protection confirmation module is used to obtain the error degree according to the included angle between the part error nodes and the length of the connecting line, to obtain the corner protection thickness according to the sharpness of the single sharp node, to obtain the corner protection thickness of the adjacent sharp nodes after laser irradiation according to the reflection angle and the nearest distance, and to obtain the corner protection volume according to the shape of the area covered by the corner protection and the corner protection thickness.

[0042] The plastic packaging module is used to obtain the corner cover density value before and after the corner cover when the total volume of the required corner cover material is within a threshold value, and obtain the corresponding collapse coefficient, and the surface area of the plastic packaging material is obtained according to the product of the collapse coefficient and the correction coefficient according to the proportion value of each area of the edge occupying the total area;

[0043] The first packaging module is used to obtain the score difference when the total volume of the required corner cover material exceeds the threshold value, and the different thicknesses of the corresponding nodes on the packaging material are determined according to the score difference;

[0044] The second packaging module is used to obtain the packaging part combination under the rule that the shape and volume of the packaging part are not changed and the overlapping edge nodes of the packaging part are within a threshold value, and the packaging part is secondarily packaged according to the cuboid constructed according to the outermost tangent and the packaging part group with the length, width and height parameters within the threshold value and the minimum total volume of the gap.

[0045] The third aspect of the present application provides an electronic device, comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to enable the electronic device to implement the method of the first aspect of the present application.

[0046] The fourth aspect of the present application provides a computer readable storage medium for storing a computer program, which enables the computer to execute the method of the first aspect of the present application when the computer program is executed on the computer.

[0047] Compared with the prior art, the present application has the beneficial effects that: the present application completes alarm after monitoring the abnormal data of the shopping mall area, determines the specific position of the fire source by analyzing the flame burning degree on site, more efficiently and accurately completes the monitoring and alarm of the fire and the determination of the position of the fire source, and improves the early warning efficiency of the fire; after the fire occurs in the shopping mall, the positions of the trapped personnel and the safety passage outlet are confirmed, the dangerous degree of the flammable material is monitored and the dredging path is planned, the fire situation is effectively monitored and the dredging path is efficiently planned. BRIEF DESCRIPTION OF DRAWINGS

[0048] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, together with the embodiments of the present application, to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0049] Figure 1 is a packaging service method step flow chart based on the Internet of Things provided by the first embodiment of the present application;

[0050] Figure 2 is a system module composition schematic diagram of the packaging service based on the Internet of Things provided by the second embodiment of the present application.

[0051] Figure 3 This is a schematic diagram of an electronic device according to an embodiment of this application. Detailed Implementation

[0052] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0053] It should be noted that the steps shown in the flowchart in the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions, and although a logical order is shown in the flowchart, in some cases the steps shown or described may be executed in a different order than that shown here.

[0054] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0055] Please see Figure 1 The present invention provides a technical solution: a packaging service method based on the Internet of Things, comprising:

[0056] The error degree is obtained by the included angle and the length of the line between the error nodes of the parts; the corner thickness is obtained by the sharpness of a single sharp node; the corner thickness of adjacent sharp nodes is obtained by laser irradiation based on the reflection angle and the nearest distance; and the corner volume is obtained by the shape of the area covered by the corner and the corner thickness.

[0057] When the total volume of the required corner protection material is within the threshold, the corner protection coverage density value is obtained by comparing the corner protection coverage before and after the corner protection coverage and the corresponding collapse coefficient is obtained. The surface area of ​​the molding material is obtained by multiplying the collapse coefficient and the correction coefficient based on the proportion of each edge area to the total area.

[0058] When the total volume of the required corner protection material exceeds the threshold, a score difference is obtained, and the thickness of the corresponding node on the packaging material is determined based on the score difference.

[0059] Under the rule of obtaining packaging parts without changing the shape and volume of the packaging parts and with the edge nodes of overlapping packaging parts within the threshold, packaging parts are combined. A cuboid is constructed based on the outermost tangent, and the packaging group with the smallest total volume of gaps and the length, width and height parameters within the threshold is selected for secondary packaging of the packaging parts.

[0060] The present application can improve the accuracy of protecting the sharp part of the part by establishing a three-dimensional model of the part, detecting part error nodes, marking the error nodes close to the edge region as a sharp region, calculating the sharpness and sharpness coefficient of the sharp region to determine the corresponding corner guard shape, thickness and volume of the corner guard, and dividing into two cases for discussion, when the total volume of the corner guard is within the threshold, the density and collapse coefficient caused by the different materials of the corner guard coverage area and the remaining area are analyzed to obtain the thickness of the corresponding plastic packaging material, when the volume of the corner guard exceeds the threshold, the piercing coefficient of the sharp region is analyzed, and the corresponding packaging material thickness of the highest piercing coefficient is used to package the part when the difference is small, and the thickness of the packaging material point is determined according to the position of the corresponding part feature point of the matching packaging material when the difference is large, in order to avoid the rupture of the packaging material, a transition node is set, and the transition node thickness becomes lower as the distance from the sharp node becomes farther; the refined analysis considers the cost of the packaging material, and improves the safety of the packaging process; when a plurality of packaged parts are packaged, the overlapping edge node is taken as the force point, the error caused by the gap is considered, and the long hair body established by the tangent is used to frame the packaging parameters, which can effectively reduce the waste of resources and avoid the loose packaging of the parts caused by the large gap, and is efficient and accurate.

[0061] In some preferred embodiments, the error degree is obtained according to the included angle between the part error nodes and the length of the connecting line, and further comprising the following steps:

[0062] Obtain a multi-angle visual image of the part, identify the feature nodes of the part after scanning the visual image, connect the feature nodes to obtain a three-dimensional model of the part, and the three-dimensional model of the part is a closed solid area formed by a plurality of feature nodes;

[0063] Compare the three-dimensional model of the part with the system preset model, mark the feature nodes with a similarity lower than the set threshold as error nodes, and mark a plurality of adjacent error nodes as an error region;

[0064] Obtain the connecting line of a single error node and any remaining error node in the error region, obtain the included angle between the connecting line and the vertical direction, and obtain the first error degree according to the first preset relationship between the included angle and the error degree Obtain the length of the connecting line, and obtain the second error degree according to the second preset relationship between the length of the connecting line and the error degree Mark the included angle of the single error node and the corresponding length of the connecting line as a group of error data, and obtain the error coefficient according to the preset relationship between the single group of error data and the error degree;

[0065] According to the formula, the error degree of a plurality of groups of error data of a single error node is calculated , The error coefficient corresponding to a single group of error data, is the weight of the error degree corresponding to the included angle, is the weight of the error degree corresponding to the line length.

[0066] In some preferred embodiments, the thickness of the corner guard is obtained according to the sharpness of a single sharp node, the thickness of the adjacent sharp node is obtained according to the reflection angle and the nearest distance after laser irradiation, the volume of the corner guard is obtained according to the shape of the area covered by the corner guard and the thickness of the corner guard, and further comprising the following steps: obtaining the total distance without shielding between the error nodes and the feature nodes of any part edge, marking the error points within the threshold distance from the edge feature nodes as sharp nodes;

[0067] marking the closed area composed of adjacent sharp nodes as a sharp area, obtaining the average error degree of the same sharp area, respectively obtaining the difference between the single sharp node and the average error degree and the error degree closest to the sharp node, setting the weight of the two kinds of difference respectively to obtain the influence coefficient of the error degree difference on the sharpness, obtaining the correction coefficient of the total distance on the sharpness according to the product of the error degree and the total distance of each point, the sharpness is the product of the influence coefficient and the correction coefficient, and the thickness of the corner guard covering the point is obtained according to the preset relationship between the sharpness and the corner guard thickness;

[0068] Irradiate the sharp area and the part area adjacent to the sharp area of the part solid model with visible light, when the reflection angle of the refracted ray emitted from the part area is within the same threshold value as the sharp area, mark the feature node where the ray is emitted as the adjacent sharp node, cover the sharp node and the adjacent sharp node with traceless glue, and set the weight of the reflection angle of the adjacent sharp node and the distance from the nearest sharp node respectively to obtain the thickness of the corner guard of the adjacent sharp node;

[0069] According to the part solid model, obtain the shape and thickness of the corner guard covering a single sharp node or adjacent sharp node to obtain the total volume of the corner guards of several sharp areas.

[0070] After establishing the part solid model, detecting the error nodes of the part, marking the area composed of the error nodes close to the edge region as a sharp area, calculating the sharpness and sharpness coefficient in the sharp area to determine the shape, thickness and volume of the corner guard corresponding to the corner guard area, which can improve the accuracy of protecting the sharp part of the part.

[0071] In some preferred embodiments, when the total volume of the required corner guard material is within the threshold value, compare the corner guard coverage density value obtained before and after the corner guard coverage to obtain the corresponding collapse coefficient, multiply the collapse coefficient by the correction coefficient according to the proportion of each area of the edge to the total area to obtain the surface area of the plastic package material, and further comprising the following steps: when the total volume of the corner guard occupies the proportion of the part volume without exceeding the set threshold value, obtaining the new first part volume composed of the traceless glue after adsorption;

[0072] The gusset coverage area is compared with the material when the gusset is not covered, the density value of the original area material is retrieved, the gusset coverage density value is obtained according to the volume ratio of the original area material to the gusset area and the preset relationship of the system, and the gusset area corresponding collapse coefficient is obtained according to the density value;

[0073] The remaining edge nodes of the part except the gusset coverage area are obtained, the material type of the remaining edge nodes is identified and the material density value is obtained, the adjacent edge nodes of the same material are grouped to form a material area, and the collapse coefficient corresponding to the material area is obtained according to the material density value; The proportion value of the gusset coverage area and the edge node of each material area to the total number of part edge nodes is obtained, different weights are set for each proportion value, the correction coefficient of the first part volume is obtained, the product of the first part volume, the collapse coefficient and the correction coefficient is marked as the second part volume, and the surface area of the plastic packaging material is obtained according to the second part volume;

[0074] The position of the part to which the gusset belongs is obtained, when the number of gussets is single, the edge nodes of the gusset area are identified, the total distance from any edge node to the remaining edge node is obtained, the total distance is required to be the sum of the unobstructed multi-segment straight line distances, the total distance is arranged from low to high, the gusset edge node with the lowest total distance is selected as the first packaging node, the first contact point of the plastic packaging material is matched and positioned, and the part is packaged after the first packaging node coincides with the first contact point;

[0075] When the number of gussets is two or more, the edge nodes of the gusset area are identified, the total distance between any part edge node outside the gusset area and all gusset edge nodes is calculated, the total distance is arranged from low to high, the part edge node with the lowest total distance is selected as the second packaging node, the position of the second packaging node is determined, the second contact point of the plastic packaging material is matched and positioned, and the part is packaged after the second packaging node coincides with the second contact point.

[0076] In some preferred embodiments, when the total volume of the required gusset material exceeds a threshold value, the scoring difference degree is obtained, the different thicknesses of the corresponding nodes on the packaging material are determined according to the scoring difference degree, and the method further comprises the following steps: obtaining the proportion value of the total volume of the gusset to the volume of the part, selecting the first packaging material for packaging when the proportion value exceeds the set threshold value, obtaining the sharpness of the sharp node, and obtaining the corresponding piercing coefficient according to the preset relationship between the sharpness and the piercing coefficient;

[0077] The sum of the piercing coefficients of all sharp nodes in a single sharp area is obtained, the ratio of the sum to the number of sharp nodes is marked as the piercing score in the single sharp area, and the discrete model is established according to the piercing scores of a plurality of sharp areas, and the variance of the discrete model is marked as the scoring difference degree.

[0078] When the score difference is within the threshold range, the highest score is selected to correspond to the preset influence coefficient, the corresponding packaging material thickness is obtained, and the packaging material surface area is obtained according to the part volume;

[0079] On the contrary, the sharp nodes and feature nodes on the surface of the packaging material are matched, the thickness of the packaging material of the feature nodes is set as the original value, the thickness of the packaging material corresponding to the sharp nodes is obtained according to the influence coefficient corresponding to the puncture score, the difference between the thickness of the packaging material in the sharp region and the original thickness is obtained, the corresponding number of feature nodes adjacent to the sharp nodes on the packaging material is marked as transition nodes, the distance between the transition nodes and the transition node closest to the sharp node is obtained, and the corresponding packaging material thickness having a negative correlation with the distance is obtained;

[0080] The part is packaged according to the first packaging material surface area and thickness.

[0081] There are two cases to be discussed. When the total volume of the corner protector is within the threshold, the thickness of the plastic sealing material is obtained by analyzing the density and collapse coefficient caused by different materials in the corner protector coverage area and the remaining area. When the volume of the corner protector exceeds the threshold, the corner protector is not considered, the puncture coefficient of the sharp region is analyzed, the corresponding puncture score difference is obtained according to the puncture coefficient, when the difference is small, the corresponding packaging material thickness of the highest puncture coefficient is used to package the part, when the difference is large, the thickness of the packaging material point is determined according to the position of the corresponding part feature point where the packaging material is located. In order to avoid the rupture of the packaging material, transition nodes are set, and the thickness of the transition node becomes lower as the distance from the sharp node becomes farther. The detailed analysis considers the cost of the packaging material and improves the safety of the packaging process.

[0082] In some preferred embodiments, under the rule of not changing the shape and volume of the packaged part and the overlapping edge nodes of the packaged part within the threshold, the packaged part combination is obtained, further comprising the following steps: scanning the visual image where the packaged part is located to identify the edge node, overlapping the same edge node of multiple visual images to confirm the position of the edge node, and obtaining the packaging part model of a single packaged part in a three-dimensional scenario;

[0083] According to the shape and volume of the packaged part, a certain number of packaged parts are adjusted in angle according to the edge, combined under the rule of not changing the shape and volume of the packaged part, a plurality of groups are obtained, the number of overlapping edge nodes of the packaged part in a single combination is marked, and the number of overlapping edge nodes of the packaged part of adjacent single packaged part models in a single combination must be greater than a set threshold;

[0084] Obtaining the secondary packaging parts after the combination of the packaging parts, identifying the edge nodes of the secondary packaging parts, the secondary packaging parts forming a closed solid area with the edge nodes, obtaining the estimated volume of the secondary packaging parts;

[0085] Obtaining the proportion data of the edge nodes occupying a specific preset number of total edge nodes of the packaging parts, obtaining the volume correction coefficient of the secondary packaging parts after data fusion of the proportion data and the number of overlapping edge nodes of the packaging parts, and marking the product of the estimated volume of the secondary packaging parts and the volume correction coefficient as the total volume of the second packaging parts;

[0086] Obtaining the total volume of the gap according to the volume difference between the total volume of the second packaging parts and the volume of a specific preset number of packaging parts.

[0087] In some preferred embodiments, the secondary packaging of the packaging parts is performed according to the packaging group with the smallest total volume of the gap and the length, width and height parameters of the cuboid within the threshold value, which is constructed according to the outermost tangent, and further comprising the following steps: making tangent lines with different angles on the outer edges of the solid area finally combined by each group, and requiring that the tangent lines cannot pass through the solid area, obtaining the cuboid including the outermost tangent after screening a plurality of tangent lines, obtaining the arrangement group of the second packaging parts within the threshold value of the length, width and height of the cuboid, marking the group as the alternative group, sorting the total volume of the gap of the alternative group from low to high, and marking the second packaging parts corresponding to the group with the lowest total volume as the secondary packaging parts;

[0088] Obtaining the volume of the secondary packaging parts, obtaining the surface area of the corresponding secondary packaging material, and packaging the secondary packaging parts after obtaining the surface area.

[0089] When the secondary packaging of a plurality of packaging parts is performed, the error caused by the gap is considered from the overlapping edge nodes as the force point, and the cuboid established by the tangent line is used to frame the packaging parameters, which can effectively reduce resource waste and avoid the loosening of the packaging parts caused by the large gap, and is efficient and accurate.

[0090] Please refer to Figure 2 Based on the same inventive concept as the above embodiments, the application also provides a packaging service system based on the Internet of Things, comprising:

[0091] The corner protection confirmation module is used to obtain the error degree according to the included angle between the error nodes of the parts and the length of the connecting line, obtain the corner protection thickness according to the sharpness of a single sharp node, obtain the corner protection thickness of adjacent sharp nodes after laser irradiation according to the reflection angle and the nearest distance, and obtain the corner protection volume according to the shape of the area covered by the corner protection and the corner protection thickness;

[0092] The plastic packaging module is used to obtain the corner cover density value before and after the corner cover when the total volume of the required corner cover material is within a threshold value, and obtain the corresponding collapse coefficient, and the surface area of the plastic packaging material is obtained according to the product of the collapse coefficient and the correction coefficient according to the proportion value of each area of the edge occupying the total area;

[0093] The first packaging module is used to obtain the score difference when the total volume of the required corner cover material exceeds the threshold value, and the different thicknesses of the corresponding nodes on the packaging material are determined according to the score difference;

[0094] The second packaging module is used to obtain the packaging part combination under the rule that the shape and volume of the packaging part are not changed and the overlapping edge nodes of the packaging part are within a threshold value, and the outermost tangent is constructed into a cuboid, and the packaging part is secondarily packaged according to the packaging combination with the length, width and height parameters within the threshold value and the minimum total volume of the gap.

[0095] It should be noted that although several units or sub-units of the device are mentioned in the foregoing detailed description, such division is merely exemplary and not mandatory. In fact, according to the embodiments of the present application, the features and functions of two or more units described above can be embodied in one unit. Conversely, the features and functions of one unit described above can be further divided into multiple units.

[0096] Based on the same inventive concept as the method embodiments described above, the electronic device in the embodiments of the present application also includes a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the electronic device implements the control method in the above embodiments.

[0097] In an embodiment, the electronic device can be a server, and in this embodiment, the structure of the electronic device can be as shown in Figure 3 The electronic device includes a memory 2001, a communication module 2003, and one or more processors 2002.

[0098] The memory 2001 is used to store the computer program executed by the processor 2002. The memory 2001 can mainly include a program storage area and a data storage area, wherein the program storage area can store an operating system, programs required for running instant messaging functions, etc.; and the data storage area can store various instant messaging information and operation instruction sets, etc.

[0099] The memory 2001 can be a volatile memory, such as a random-access memory (RAM), or a non-volatile memory, such as a read-only memory, a flash memory, a hard disk drive (HDD) or a solid-state drive (SSD), or any other medium capable of carrying or storing desired computer programs in the form of instructions or data structures and capable of being accessed by a computer, but is not limited thereto. The memory 2001 can be a combination of the above memories.

[0100] The processor 2002 can include one or more central processing units (CPUs) or digital processing units, etc. The processor 2002 is configured to implement the above-mentioned processing method of audio data when invoking the computer program stored in the memory 2001.

[0101] The communication module 2003 is configured to communicate with terminal devices and other servers.

[0102] The specific connection medium between the above-mentioned memory 2001, communication module 2003 and processor 2002 is not limited in the embodiments of the present application. In the embodiments of the present application, the memory 2001 and the processor 2002 are connected through a bus 2004, and the connection mode between other components is only schematically described by arrows, which is not limited thereto. The bus 2004 can be divided into an address bus, a data bus, a control bus, etc. For the convenience of description, only one arrow is used to describe the bus 2004, but it does not mean that there is only one bus or only one type of bus. Figure 3 Figure 3 Figure 1

[0103] ​​​Based on the same inventive concept as the method embodiments described above, embodiments of the present application also provide a computer-readable storage medium for storing a computer program, which, when executed on a computer, causes the electronic device to implement the control method in the above embodiments. The computer-readable storage medium can be a readable signal medium or a readable storage medium. The readable storage medium may, for example, but is not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device or apparatus, or any suitable combination of the above. More specific examples (non-exhaustive list) of the readable storage medium include an electrical connection having one or more wires, a portable disc, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the above.

[0104] Based on the same inventive concept as the method embodiments described above, embodiments of the present application also provide a computer program product, which includes a computer program, when the program product is executed on an electronic device, the computer program is used to cause the electronic device to perform the steps in the control method according to various exemplary embodiments of the present application described in the specification. The program product can adopt any combination of one or more readable media. These computer program commands can be provided to the processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing equipment to produce a machine, so that the commands executed by the processor of the computer or other programmable data processing equipment produce a method for implementing the functions specified in one or more flows or blocks in the specification. Figure 1 An apparatus for performing the functions specified in one or more flows or blocks and / or one or more blocks. Figure 1 An apparatus for performing the functions specified in one or more flows or blocks and / or one or more blocks.

[0105] Although the preferred embodiments of the present application have been described, those skilled in the art who have the basic inventive concept can make additional changes and modifications to the embodiments. Therefore, the appended claims are intended to include the preferred embodiments and all changes and modifications falling within the scope of the present application. It should be noted that, in this document, relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action, and do not necessarily require or imply that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed or inherent to such a process, method, article or apparatus.

[0106] Finally, it should be noted that the above is only the preferred embodiment of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified to the technical solution recorded in the foregoing embodiments, or equivalent replacement of some technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A packaging service method based on Internet of Things, characterized in that: The method comprises the following steps: According to the included angle between the error nodes of the parts and the length of the connecting line, the error degree is obtained, the corner thickness is obtained according to the sharpness of the single sharp node, the corner thickness of the adjacent sharp node is obtained according to the reflection angle and the nearest distance after laser irradiation, and the corner volume is obtained according to the shape of the area covered by the corner and the corner thickness; When the total volume of the required corner material is within the threshold value, the corner coverage density value before and after the corner coverage is obtained, and the corresponding collapse coefficient is obtained, the surface area of the plastic packaging material is obtained according to the product of the collapse coefficient and the correction coefficient according to the proportion of each area of the edge to the total area; When the total volume of the required corner material exceeds the threshold value, the score difference degree is obtained, and the different thicknesses of the corresponding nodes on the packaging material are determined according to the score difference degree; Under the rules that the shape and volume of the packaging parts are not changed and the overlapping edge nodes of the packaging parts are within the threshold value, the packaging part combination is obtained, and the outermost tangent is constructed to select the packaging part with the smallest total volume of the gap and the packaging part with the parameters of length, width and height within the threshold value for secondary packaging; The error degree is obtained according to the included angle between the error nodes of the parts and the length of the connecting line, comprising: A multi-angle visual image of the part is obtained, the characteristic nodes of the part are identified after scanning the visual image, the three-dimensional model of the part is obtained after connecting the characteristic nodes, and the three-dimensional model of the part is a closed solid area formed by a plurality of characteristic nodes; The three-dimensional model of the part is compared with the system preset model, the characteristic nodes with a similarity lower than a set threshold value are marked as error nodes, and a plurality of adjacent error nodes are marked as an error area; obtaining an angle between the single error node and any remaining error node in the error area, obtaining a first error degree according to a first preset relationship between the angle and the error degree obtaining a length of the line, and obtaining a second error degree according to a second preset relationship between the length and the error degree marking the angle and the corresponding length of the single error node as a group of error data, and obtaining an error coefficient according to a preset relationship between the group of error data and the error degree The error degree of each group of error data of the single error node is calculated according to the formula , is the error coefficient corresponding to the single group of error data, is the weight of the error degree corresponding to the included angle, is the weight of the error degree corresponding to the length of the line The corner thickness of the adjacent sharp node is obtained according to the reflection angle and the nearest distance after laser irradiation, the corner volume is obtained according to the shape of the area covered by the corner and the corner thickness, comprising: The total distance without shielding between the error nodes and any part edge characteristic node is obtained, and the error points with the total distance within the threshold value from the edge characteristic node are marked as sharp nodes; The closed area composed of adjacent sharp nodes is marked as a sharp area, the average error degree of the same sharp area is obtained, the error degree difference between a single sharp node and the average error degree and the error degree closest to the sharp node is obtained respectively, the influence coefficient of the error degree difference on the sharpness is obtained after setting the weights of the two kinds of difference respectively, the total distance correction coefficient of the sharpness is obtained according to the product of the error degree of each point and the total distance, the sharpness is the product of the influence coefficient and the correction coefficient, and the thickness of the corner covering the point is obtained according to the preset relationship between the sharpness and the corner thickness; The sharp area and the part area adjacent to the sharp area of the three-dimensional model of the part are irradiated by visible light, when the reflection angle of the refracted rays emitted from the part area is within the same threshold value as the sharp area, the characteristic node of the part area emitting the rays is marked as an adjacent sharp node, the sharp node and the adjacent sharp node are covered with traceless glue, and the corner thickness of the adjacent sharp node is obtained by setting the weights of the reflection angle of the adjacent sharp node and the distance from the nearest sharp node respectively. According to the shape and thickness of the corner protector covering a single sharp node or adjacent sharp nodes, the total volume of the sharp area corner protector is obtained from the three-dimensional model of the part; When the total volume of the required corner protector material is within the threshold, the corner protector coverage density value is obtained before and after the comparison, and the corresponding collapse coefficient is obtained, the surface area of the plastic packaging material is obtained according to the product of the collapse coefficient and the correction coefficient according to the proportion of each area of the edge occupying the total area, including: When the total volume of the corner protector occupies the proportion of the part volume that does not exceed the set threshold, the traceless adhesive is obtained after adsorption to form a new first part volume; Compare the corner protector coverage area with the material when the corner protector is not covered, retrieve the density value of the original area material, obtain the corner protector coverage density value according to the proportion of the volume of the original area material and the volume of the corner protector area, and obtain the corresponding collapse coefficient of the corner protector area according to the system preset relationship; Obtain the remaining edge nodes of the part except the corner protector coverage area, identify the material type of the remaining edge nodes and obtain the material density value, mark the area composed of adjacent edge nodes of the same material as a material area, and obtain the corresponding collapse coefficient of the material area according to the material density value; Obtain the proportion value of the edge nodes of the corner protector coverage area and each material area occupying the total number of part edge nodes respectively, set different weights for each proportion value, obtain the correction coefficient of the first part volume, and obtain the product of the first part volume and the collapse coefficient and the correction coefficient marked as the second part volume, and obtain the surface area of the plastic packaging material according to the second part volume; When the total volume of the required corner protector material exceeds the threshold, the score difference is obtained, and the corresponding thickness of the node on the packaging material is determined according to the score difference, including: Obtain the proportion value of the total volume of the corner protector occupying the part volume, and when the proportion value exceeds the set threshold, select the first packaging material for packaging, obtain the sharpness of the sharp node, and obtain the corresponding piercing coefficient according to the preset relationship between the sharpness and the piercing coefficient; Obtain the sum of all piercing coefficients of the sharp nodes in a single sharp area, mark the ratio of the sum to the number of sharp nodes as the piercing score in a single sharp area, and establish a discrete model according to the piercing scores of several sharp areas, and mark the variance of the discrete model as the score difference; When the score difference is within the threshold range, select the highest score corresponding to the preset influence coefficient to obtain the corresponding packaging material thickness, and obtain the surface area of the packaging material according to the part volume; Otherwise, match the sharp nodes and feature nodes on the surface of the packaging material, set the packaging material thickness of the feature nodes to the original value, obtain the packaging material thickness corresponding to the sharp nodes according to the piercing score corresponding to the influence coefficient, obtain the difference between the sharp area packaging material thickness and the original thickness, mark the corresponding number of feature nodes adjacent to the sharp nodes on the packaging material as transition nodes, obtain the distance between the transition nodes and the transition nodes closest to the sharp nodes, and obtain the corresponding packaging material thickness having a negative correlation with the distance; Pack the part according to the surface area and thickness of the first packaging material.

2. The packaging service method based on the Internet of Things according to claim 1, characterized in that: The rule of not changing the shape and volume of the packaging parts and the overlapping packaging part edge nodes within the threshold value is used to obtain the packaging part combination, including: After scanning the visual image where the packaging parts are located, the edge nodes are identified, the same edge nodes of multiple visual images are overlapped to confirm the location of the edge nodes, and the packaging part model of a single packaging part in a three-dimensional context is obtained; The shape and volume of the packaging parts are obtained according to the packaging part model, the edge angle is adjusted for a specific preset number of packaging parts, the combination is performed under the rule of not changing the shape and volume of the packaging parts, a plurality of groups are obtained, the number of overlapping packaging part edge nodes in a single combination is marked, and the number of overlapping packaging part edge nodes of adjacent single packaging part models in a single combination must be greater than a set threshold value; The secondary packaging parts obtained after the combination of the packaging parts are obtained, the edge nodes of the secondary packaging parts are identified, the edge nodes form a closed solid area, and the estimated volume of the secondary packaging parts is obtained; The proportion data of the edge nodes in the total amount of the edge nodes of the specific preset number of packaging parts is obtained, the volume correction coefficient of the secondary packaging parts is obtained after data fusion of the proportion data and the number of overlapping packaging part edge nodes, and the product of the estimated volume of the secondary packaging parts and the volume correction coefficient is marked as the total volume of the second packaging parts; The total volume of the gap is obtained according to the difference between the total volume of the second packaging parts and the volume of the specific preset number of packaging parts.

3. The packaging service method based on the Internet of Things according to claim 1, characterized in that: The cuboid is constructed according to the outermost tangent, and the packaging parts are secondarily packaged according to the packaging group with the minimum total volume of the gap and the length, width and height parameters within the threshold value, including: Different angle tangents are made on the outer edges of the solid area finally combined by each group, and the tangent is required to not pass through the solid area. After screening a plurality of tangents, a cuboid including the outermost tangent is obtained, a second packaging part arrangement group within the threshold value of the length, width and height of the cuboid is obtained, the group is marked as a candidate group, the total volume of the gap of the candidate group is sorted from low to high, and the second packaging part corresponding to the group with the lowest total volume is marked as the secondary packaging part; The volume of the secondary packaging part is obtained, the surface area of the corresponding secondary packaging material is obtained, and the secondary packaging part is packaged after the surface area is obtained.

4. A packaging service system based on the Internet of Things, applied to the packaging service method based on the Internet of Things according to claim 1, characterized in that: The system includes: The corner protection confirmation module is used to obtain the error degree according to the included angle between the part error nodes and the line length, to obtain the corner protection thickness according to the sharpness of a single sharp node, to obtain the corner protection thickness of adjacent sharp nodes according to the reflection angle and the nearest distance after laser irradiation, and to obtain the corner protection volume according to the shape of the area covered by the corner protection and the corner protection thickness; The plastic packaging module is used to obtain the corner protection coverage density value and the corresponding collapse coefficient by comparing before and after the corner protection coverage when the total volume of the required corner protection material is within the threshold value, and to obtain the surface area of the plastic packaging material according to the product of the collapse coefficient and the correction coefficient according to the proportion value of each region occupying the total region. The first packaging module is used to obtain a score difference when the total volume of the required corner material exceeds a threshold value, and the different thicknesses of the corresponding nodes on the packaging material are determined according to the score difference; The second packaging module is used to obtain a packaging part combination under the rules that the shape and volume of the packaging part are not changed and the overlapping edge nodes of the packaging part are within a threshold value, and the outermost tangent is used to construct a cuboid, and the packaging part is secondarily packaged by selecting a packaging group with the length, width and height parameters within the threshold value and the minimum total volume of the gap.

5. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that, The processor executes the computer program, so that the electronic device implements the method in any one of claims 1 to 3.

6. A computer-readable storage medium, characterized in that, The computer readable storage medium is used to store the computer program, and when the computer program runs on the computer, the computer executes the method in any one of claims 1 to 3.

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