CN115249137B - Intelligent storage management system for materials - Google Patents
Intelligent storage management system for materials Download PDFInfo
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- CN115249137B CN115249137B CN202110469826.2A CN202110469826A CN115249137B CN 115249137 B CN115249137 B CN 115249137B CN 202110469826 A CN202110469826 A CN 202110469826A CN 115249137 B CN115249137 B CN 115249137B
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- 239000000463 material Substances 0.000 title claims abstract description 395
- 238000004891 communication Methods 0.000 claims abstract description 29
- 238000004441 surface measurement Methods 0.000 claims description 41
- 238000009954 braiding Methods 0.000 claims description 29
- 238000004804 winding Methods 0.000 claims description 22
- 239000006260 foam Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 238000012790 confirmation Methods 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000007726 management method Methods 0.000 description 42
- 238000005259 measurement Methods 0.000 description 13
- 230000035772 mutation Effects 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012827 research and development Methods 0.000 description 3
- 238000013068 supply chain management Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 238000013439 planning Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000012769 display material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
- G06Q10/087—Inventory or stock management, e.g. order filling, procurement or balancing against orders
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10861—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels
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Abstract
The invention provides a material intelligent warehouse management system which is characterized by comprising a management server, an acquisition module, an operation module and a communication module, wherein the management server can be used for displaying material information or inputting material information, the material information comprises but is not limited to material types and material stock, the management server sends signals to the acquisition module through the communication module, the acquisition module starts to acquire information of a material disc and transmits the acquired information to the operation module through the communication module, and the operation module carries out logic operation according to the information acquired by the acquisition module. The utility model provides a material intelligent storage management system can calculate the surplus quantity of material according to the number of piles of braid material on the material dish and the position of the first paster material of braid mouth, and can guarantee the high accuracy of data, can effectively improve warehouse management's efficiency for the progress of mill's production realizes the automated management in warehouse.
Description
Technical Field
The invention relates to the technical field of intelligent storage, in particular to a material intelligent storage management system.
Background
The electronic component is used as a raw material of electronic products produced and processed by electronic factories and enterprises and plays an important role in the operation of the enterprises. Electronic components are often stored in warehouses, and warehouse management is a transfer station of an enterprise, and is connected with important nodes of sales, finance, purchasing and research and development, so that materials are provided for production and research and development of factories, and the progress of co-production and project completion of enterprise research and development are ensured.
The inventory data of the warehouse is inconsistent with the real material inventory when the rest materials are re-recorded into the inventory, the workload of the warehouse management can be increased, the workload of other departments of an enterprise can be increased, and the enterprise also spends more funds to purchase materials when the actual material inventory is less than the data in the database of the server, thereby increasing the economic loss of the enterprise.
Disclosure of Invention
The invention aims to provide a material intelligent warehouse management system which aims to solve the problems in the background technology.
The technical scheme adopted by the invention for achieving the purpose is that the intelligent material warehouse management system comprises a management server, an acquisition module, an operation module and a communication module, wherein the management server can be used for displaying material information or inputting material information, the material information comprises but is not limited to material types and material stock, the management server sends signals to the acquisition module through the communication module, the acquisition module starts to acquire information of a material disc and transmits the acquired information to the operation module through the communication module, the operation module carries out logic operation according to the information acquired by the acquisition module to obtain the types and the quantity of materials on the material disc, and the operation module feeds the material information back to the management server through the communication module and updates data in the management server.
Further, the acquisition module is used for acquiring information of the material disc and comprises a material disc surface measurement structure and an image recognition structure, and the material disc surface measurement structure is used for measuring the radius of each position of the material disc; the image recognition structure comprises a vertical scanning device and a horizontal scanning device, wherein the horizontal scanning device is arranged on the side surface of the material disc, can relatively rotate with the material disc and is used for scanning the side surface image of the material disc, the horizontal scanning device can send the scanned side view image to the operation module, the installation position of the vertical scanning device is positioned above the material disc, the vertical scanning device can scan the top view of the material disc, and the vertical scanning device can send the scanned top view to the operation module;
The operation module is combined with the top view and the side view to calculate the position of the first material of the material braid opening on the top view, wherein the first material of the material braid opening is a second node B, and the position of the breaking opening of the material braid opening is a third node D.
Further, when the acquisition module scans a fracture port on the material braid, a line is displayed on the image;
When the acquisition module scans empty materials on the material braiding belt, blank images appear on the side view images scanned by the acquisition module;
When the acquisition module scans the material on the material braiding belt, a black rectangle appears on the side view image.
When empty materials are on one material tray: the position of the second node B is the position of a first black rectangle with a fracture opening facing to one side of the empty material direction;
When no empty material exists on one material disc, two black rectangles are identified near the breaking opening, the black rectangle formed by the outermost layer of the braid is clearer in the formed side view, the black rectangle formed by the penultimate layer is more fuzzy, and the position of the second node B is determined by comparing imaging definition of two sides of the breaking opening of the braid.
Further, the surface measurement structure comprises a telescopic push rod, when the surface measurement structure works, the push rod can extend to be abutted against a material braid on the material tray, the extending length L 1 of the push rod is measured, the distance between the surface measurement structure and the center of the material tray is determined L, so that the radius L 2 of the material braid on the material tray is L 2＝L-L1, the material tray is driven to rotate by starting a motor, the radius L 2 of each position on the material tray can be measured by the surface measurement structure, and data can be transmitted to the operation module by the surface measurement structure;
wherein, be equipped with the foam strip on the push rod, when calculating the radius L 2 of every position on the material dish, need subtract the thickness of foam strip.
Further, a label is arranged on the material disc, information is directly marked on the label, or the information is stored in a two-dimensional code, a bar code and the like, the vertical scanning device can scan the material disc to form a top view, the information on the label can be read, the information obtained by reading the label can be fed back to the management server, and the information obtained by reading the label comprises, but is not limited to, the material type of the material disc, the width l 1 of the material, the interval l 2 of adjacent materials, the radius r of a center circle of the material disc and the thickness h of a braid.
Aiming at a plurality of material trays which cannot identify the labels, the operation module can perform data operation according to a side view image obtained by scanning by the horizontal scanning device to obtain parameters such as the width l 1* of the materials, the interval l 2* of adjacent materials and the like, and then compare the parameters with the parameters such as the width parameters of the materials of different materials in the pre-existing management server, the interval parameters of the adjacent materials and the like to obtain the material type with the closest parameters, so that the material tray which cannot be identified by the roll of labels is marked as the material type, and the material quantity of the material tray is together with the material quantity on the material tray which can be identified by the labels of the same type;
The management server marks the material tray which cannot be identified by the tag, and after the management server marks the material tray, an operator can confirm the material type of the material tray in a manual mode, and if the material type identification errors are found, the management server can directly deduct the material quantity on the material tray.
Further, the operation module can draw the external contour of the material disc according to the radius L 2 of each position on the material disc measured by the surface measurement structure, and the material disc has two forms: a very tight material tray wound for the braid; the braiding of the material disc protrudes outwards when the braiding is wound around the position near the initial position of the braiding, the outwards protruding position is a first node A, when the surface measuring structure measures the outer contour of the material disc, the measuring result can rapidly change the measuring data in a short time when measuring the position of the first node A, the change is continuous, when measuring the position of a third node D, the measuring result can suddenly change the measuring data in an instant, and the radii of the two sections are almost unchanged, namely the arc-shaped sections AB and AB are inferior;
The other is that the braiding is wound loosely, the braiding of the material disc does not suddenly protrude outwards when wound around the beginning position of the braiding, but slowly protrudes outwards when the braiding starts at the previous position, the position where the outward protrusion starts is defined as a fourth node C, the position where the outward protrusion ends is defined as a fifth node E, the surface measurement structure measures the radius of the material disc at the arc CE section position, the radius of the material disc gradually increases, the radius of the material disc at the C position is minimum, and the radius of the material disc at the A position reaches the maximum; the radius of the material disk at the arc ED section is almost unchanged; when the position of the third node D is measured, the measurement result can generate mutation of the measurement data in an instant; the radius of the material disc at the arc DC section is almost unchanged;
When the surface measurement structure of the material disc recognizes that a point or a section with gradually enlarged radius exists in the anticlockwise direction of the outer contour of the material disc, the material disc is placed forwards; when the material disc surface measurement structure recognizes that a point or a section with gradually smaller radius exists in the anticlockwise direction of the outer contour of the material disc, the material disc is placed upside down.
Further, in the process that the operation module performs data acquisition on the outer outline of the material disc through the surface measurement structure, the third node D measured through the surface measurement structure can be compared with the third node D obtained through the image recognition structure, and secondary confirmation of the third node D is achieved.
Further, in material trays with very tight tape windings: in the process of rapid change of measured data, the smaller radius of the first node A is R, N layers of braids are wound on the material disc altogether,
The braid length of the first portion is:
through the accurate location to first node A and second node B, calculate first node A and second node B and take contained angle θ on the outline of material dish, the braid length of second part is:
The total length of the braid can be expressed as:
the quantity T (X) of materials on the material disc with very tight braid winding is as follows:
In a material tray with looser braid winding: the maximum radius measured near the fifth node E is R, the braid of the shadow portion is totally coiled by N layers, and the braid length of the first portion is:
through the accurate positioning to fifth node E and second node B, calculate that fifth node E and second node B are contained angle θ on the outline of material dish, the braid length of second part is:
The total length of the braid can be expressed as:
the quantity T (X) of materials on the material disc with loose braid winding is as follows:
Further, θ is a positive angle from the first node a counterclockwise to the second node B, or a positive angle from the fifth node E counterclockwise to the second node B when the object tray is being placed; when the material tray is inverted, θ is the negative angle from the first node a to the second node B, or the negative angle from the fifth node E to the second node B.
Further, when the material count is obtained after T (X), a coefficient K is added on the basis of the calculated material quantity T (X), the coefficient K is positive or negative, the coefficient K is matched with the layer number of the material, when the operation module calculates the parameter N, the parameter N is automatically matched with the coefficient K, and the coefficient K is set by an operator according to the actual material disc condition.
In summary, the beneficial effects of the invention are as follows: the intelligent material warehouse management system provided by the invention can calculate the residual quantity of materials according to the layer number of the braid materials on the material tray and the position of the first patch material of the braid opening, can ensure the high accuracy of data, can effectively improve the warehouse management efficiency, accelerates the production progress of factories, and realizes the automatic management of warehouses; the intelligent warehouse management system is not interfered by external environment (mainly light), so that counting errors are reduced; the intelligent warehouse management system can not damage the warehouse-in material trays and damage components on the braids; meanwhile, the problem that the position measurement of the material braid opening is inaccurate when the external contour of the material disc is measured by utilizing optical equipment is solved, and the calculation accuracy is improved; in addition, the management server can mark the material tray which cannot be identified by the label, so that an operator can conveniently confirm the material type of the material tray in a manual mode, and if the material type identification is found to be wrong, the management server can conveniently and directly deduct the material quantity on the material tray, and the high accuracy of inventory data is maintained; in addition, in the process of data acquisition of the outer contour of the material disc by the surface measurement structure, the third node D obtained by the image recognition structure can be compared, so that secondary confirmation of the third node D is realized, and the accuracy of a system algorithm is improved; the invention can identify the winding mode of the material braid, identify whether the braid on the material tray is wound tightly or loose, and provide two different algorithms for the braids in two different winding modes to improve the accuracy of the system on material counting; the introduction of the supplemental factor K can eliminate errors generated during the algorithm.
Drawings
Fig. 1 is a schematic structural diagram of an acquisition module in an intelligent warehouse management system;
FIG. 2 is a schematic view of the structure of FIG. 1 after the enclosed space is removed;
FIG. 3 is a schematic diagram of modules in an intelligent warehouse management system;
FIG. 4 is a top view of the tray;
FIG. 5 is a schematic diagram of a top view and a side view in one-to-one correspondence;
FIG. 6 is a schematic view of the braiding openings in a tightly wound material tray beyond the initial position of the braiding;
FIG. 7 is an outer schematic view of FIG. 6;
FIG. 8 is a schematic view of the tray of FIG. 6 divided into two sections;
FIG. 9 is a schematic view of the tray approximation model of FIG. 8;
FIG. 10 is a schematic view of the initial position of the braid in the tightly wound material tray with the braid mouth not reached;
FIG. 11 is an external profile schematic of FIG. 10;
FIG. 12 is a schematic view of the tray of FIG. 10 divided into two sections;
FIG. 13 is a schematic view of the tray approximation model of FIG. 12;
FIG. 14 is a schematic view of a splice in a loosely wound tray beyond the initial position of the splice;
Fig. 15 is an outer schematic view of fig. 14;
FIG. 16 is a schematic view of the tray of FIG. 14 divided into two sections;
FIG. 17 is a schematic view of the tray approximation model of FIG. 16;
FIG. 18 is a schematic view of a relatively loosely wound tray with a braid mouth short of the initial position of the braid;
FIG. 19 is an outer schematic view of FIG. 18;
FIG. 20 is a schematic view of the tray of FIG. 18 divided into two sections;
FIG. 21 is a schematic view of the tray approximation model of FIG. 20;
FIG. 22 is a schematic view of an alternative embodiment of a relatively loosely wound tray with a braid mouth short of the initial position of the braid;
FIG. 23 is an outer schematic view of FIG. 22;
FIG. 24 is a schematic view of the tray of FIG. 22 divided into two sections;
FIG. 25 is a schematic view of the tray approximation model of FIG. 24;
FIG. 26 is a schematic illustration of a material braid with empty material;
FIG. 27 is a schematic view of the location of a material braid break;
Fig. 28 is a schematic view of the material on the material braid.
Detailed Description
The following further details of embodiments of the present invention with reference to the accompanying drawings, it should be noted that the examples are only illustrative of the invention and should not be taken as limiting the invention, and all the features disclosed in the examples of the present invention, or all the steps in the methods or processes disclosed, can be combined in any way except mutually exclusive features and/or steps.
The embodiment provides a material intelligent warehouse management system, which comprises a management server 101, an acquisition module 104, an operation module 103 and a communication module 102, wherein the management server 101 can be used for displaying material types and material stock, and simultaneously controlling whether the whole system works or not, when the system starts to work, the management server 101 sends a signal to the acquisition module 104 through the communication module 102, the acquisition module 104 starts to acquire information of a material tray 1045 and transmits the information to the operation module 103 through the communication module 102, the operation module 103 carries out logic operation according to the information acquired by the acquisition module 104 to obtain the material types and the material quantity on the material tray 1045, and the operation module 103 feeds the material information back to the management server 101 through the communication module 102 and updates data in the management server 101.
Management server
The management server 101 can be used to display material information or input material information, including but not limited to material category, material inventory; wherein the material category includes, but is not limited to, the packaging of 0402, 0603, 0805, 1206 and the like components. The material is secured to a material tray 1045.
The management server 101 may be an ERP (enterprise resource planning system, ENTERPRISE RESOURCE PLANNING), an MES (manufacturing execution system ), or SCM (Supply chain management, supply CHAIN MANAGEMENT), or the like.
Acquisition module
The collection module 104 is configured to collect information of the material tray 1045, and includes a material tray surface measurement structure 1050 and an image recognition structure, where the material tray surface measurement structure 1050 is configured to measure radii of each position of the material tray 1045, and send the measured data to the operation module 103 through the communication module 102. The image recognition structure comprises a vertical scanning device 1046 and a horizontal scanning device 1044, and referring to fig. 1 and 2, the horizontal scanning device 1044 is arranged on the side surface of the material tray 1045 and is used for scanning the side image of the material tray, namely, scanning the side view where the braid opening is located. In order to obtain a complete side view of the tray 1045, the tray 1045 can be driven to rotate by a motor, or the horizontal scanning device 1044 can rotate around the tray 1045, so that the horizontal scanning device 1044 can scan the entire side of the tray to form a complete side view. In this embodiment, the motor 1051 is used to drive the material tray 1045 to rotate, the rotating shaft of the motor 1051 is connected to the turntable 1052, the material tray 1045 is fixed on the turntable 1052, the rotation center of the turntable 1052 coincides with the center of the material tray 1045, and there are various alternative ways for fixing the material tray 1045 by, for example, passing a shaft through the material tray 1045 or fixing the material tray 1045 by means of a chuck.
Preferably, in order that the image recognition structure is not interfered by the external environment when recognizing the image, the acquisition module 104 is performed in a closed environment, and an independent light source is arranged in the closed environment of the device, so that the image recognition structure can work normally.
The surface measurement structure 1050 includes a retractable push rod 1053, when the surface measurement structure 1050 is in operation, the push rod 1053 extends to be abutted against the material braid 1054 on the material tray 1045, the extending length L 1 of the push rod 1053 is measured, the distance between the surface measurement structure 1050 and the center of the material tray 1045 is determined to be L, then the radius L 2 of the material braid 1054 on the material tray 1045 is L 2＝L-L1, the material tray 1045 is driven to rotate by the starting motor 1051, and the radius L 2 of each position on the material tray 1045 can be measured by the surface measurement structure 1050. The surface measurement structure 1050 can communicate data to the computing module 103 via the communication module 102.
Preferably, the force of the push rod 1053 cannot be excessive in the process of abutting the material braid 1054, so that the push rod 1053 is prevented from damaging the material on the material braid 1054. Further, a foam strip 1055 is provided on the push rod 1053, and the foam strip 1055 can prevent the material on the material braid 1054 from being damaged. The foam strip 1055 has a certain thickness, so when calculating the radius L 2 of each position on the material tray 1045, the thickness of the foam strip 1055 needs to be subtracted, the foam strip 1055 is in a strip arc shape, the arrangement of the foam strip 1055 can enable the movement of the push rod 1053 to be smoother and not to be blocked into a gap between adjacent materials, meanwhile, because the position of the material braid of the material tray 1045 is easy to tilt, if the external contour of the material tray 1045 is measured by directly utilizing optical equipment, the problem of inaccurate measurement of the position of the material braid is very likely to occur, and the push rod 1053 provided with the foam strip 1055 can enable the material braid 1054 at the position of the material braid to be close to the material tray 1045 during measurement, thereby avoiding the error of the external contour measurement, and greatly influencing the counting of the materials by an operation module if the problem of the error cannot be eliminated.
The horizontal scanning device 1044 can transmit the scanned side view image to the operation module. The installation position of the vertical scanning device 1046 is located above the material tray 1045, it can carry on horizontal scanning to the label-attached side of the material tray 1045, label have information directly, or store information through modes such as two-dimensional code, bar code, etc., the scanning of the vertical scanning device 1046 to the material tray 1045 can form the top view, can also read the information on the label, according to the content of the label, the management server 101 can discern the material type of the material tray 1045 of this roll automatically, can obtain the width l 1 of the material, adjacent material interval l 2, radius r of the centre circle of the material tray, thickness h of the braid, etc.; meanwhile, the vertical scanning device 1046 can also send the scanned top view to the operation module, the operation module can calculate the position of the first material of the material braid opening on the top view by combining the top view and the side view, in order to facilitate the description of the operation module, the first material of the material braid opening is defined as the second node B, and the position of the broken opening of the material braid opening is defined as the third node D.
Preferably, for the material tray 1045 that cannot be identified by the management server 101 due to abrasion or missing of some labels, the operation module can scan to obtain a side view image according to the horizontal scanning device 1044 to perform data operation to obtain parameters such as a width l 1* of the material and an interval l 2* of adjacent materials, and then compare the parameters such as a width l 1* of the identified material and an interval l 2* of adjacent materials with the parameters such as the width parameters and the interval parameters of adjacent materials of different materials in the pre-existing management server 101 to obtain the material type with the closest parameters, so that the material tray 1045 that cannot be identified by the roll of labels is marked as the material type, and the material quantity of the material tray is in the same quantity as the material quantity on the material tray with the label that can be identified. Further, the management server 101 marks the material tray 1045 which cannot be identified by the label, although the material tray 1045 calculates the material type with high probability through the operation module, the possibility of calculation error still exists, after the management server 101 marks the material tray, the operator can confirm the material type of the material tray conveniently through a manual mode, if the material type identification error is found, the management server 101 can deduct the material quantity on the material tray directly conveniently, and the high accuracy of the inventory data is maintained.
Operation module
The operation module 103 can perform logic operation, for example, the operation module calculates the position of the first material of the material braid opening on the top view by using the top view and the side view. Since the side view is an image of a circle of the scanned tray 1045, the initial scanned image is the same as the last scanned image, and the side view can be formed like the annular structure 1061 in fig. 5, and the top view 1062 taken by the vertical scanning device 1046 should correspond to the annular structure 1061, i.e. the points on each annular structure 1061 (side view) can be one-to-one corresponding to the outer contour of the top view 1062, so that as long as the position of the first material is found on the annular structure 1061 (side view), the position of the first material is also found on the top view 1062. The principle can be applied to a computer algorithm to realize the position positioning of the first material in the top view: specifically, the pixels on the side view are in one-to-one correspondence with the pixels on the bottom view, the position of the first material on the side view is positioned in an image recognition mode, and the pixels at the position are in correspondence with the pixels on the bottom view, so that the position positioning of the first material on the top view is realized.
Regarding how the position of the first item on the side view is identified, the following steps may be included:
1. Referring to fig. 5 and 27, when the collection module scans the break 1041 in the material braid 1054, a line is shown in the image; when the acquisition module scans empty materials on the material braid 1054, blank images appear on the side view images scanned by the acquisition module; when the collection module scans the material on the material braid 1054, a black rectangle appears on the side view image.
2. When empty materials are on one material tray: the position of the second node B is the position of a first black rectangle with a fracture opening facing to one side of the empty material direction; when no empty material is on a material disc, two black rectangles are identified near the breaking port, the black rectangle formed by the outermost layer of the braid is clearer in the formed side view, the black rectangle formed by the penultimate layer is more fuzzy, and the position of the second node B is determined by comparing imaging definition of two sides of the breaking port 1041 of the braid.
The computing module can also draw the outer contour of the tray 1045 based on the radius L 2 of each location on the tray 1045 measured by the surface measurement structure 1050. The trays 1045 on the market generally take two forms: a very tight winding of a braid is shown in fig. 6; the other is a looser braid wrap, as shown in fig. 14. The characteristic of the tray 1045 in fig. 6 is that the braid of the tray 1045 protrudes outward at a place around the initial position of the braid, and by drawing the outer contour of the tray 1045, as shown in fig. 7, defining this protruding position as a first node a, the surface measurement structure 1050, when measuring the outer contour of the tray 1045, measures that the measurement data changes rapidly in a short time at the first node a, which changes continuously, and when measuring the third node D, the measurement data changes suddenly in an instant, and the radii of the two sections are almost unchanged, i.e., arc-shaped, at the major arc AB and minor arc AB. The initial position is understood to be the ray which is formed by the connection of the center point of the material tray and the initial position of the braiding belt.
The surface measurement structure 1050 is utilized to collect data from the material tray 1045 in a tightly wound manner, the operation module analyzes the collected data, and the material tray 1045 in the tightly wound manner has two specific conditions:
As shown in fig. 6 and fig. 7, the first is that the braiding opening exceeds the initial braiding position, and the operation module can identify a first node a and a third node D on the outer contour at the moment, and the third node D exceeds the position of the first node a.
As shown in fig. 10 and 11, the second is that the braiding opening is not at the initial braiding position, and the operation module can identify the first node a and the third node D on the outer contour at this time, and the third node D is not at the first node a position.
Regarding how to distinguish whether the braid opening exceeds the braid initial position or does not reach the braid initial position, which is related to the winding direction of the braid, when there is a point or section with a gradually increasing radius in the counterclockwise direction of the outer contour of the material tray 1045, the material tray 1045 is put forward; that is, when there is a point or a section with a radius gradually decreasing in the counterclockwise direction of the outer contour of the tray 1045, the tray 1045 is inverted. When the material tray 1045 is in the forward-put state, if the distance between the third node D and the first node a in the counterclockwise direction is greater than the distance between the first node a and the third node D in the counterclockwise direction, that is, the state in fig. 6 and fig. 7, the third node D is beyond the braiding initial position; if the distance between the third node D and the first node a in the counterclockwise direction is smaller than the distance between the first node a and the third node D in the counterclockwise direction, i.e. the state in fig. 10 and 11, the third node D is in the initial position of the braid. When the material tray 1045 is in the reverse-laid state, if the distance between the third node D and the first node a in the clockwise direction is greater than the distance between the first node a and the third node D in the clockwise direction, the third node D is beyond the braid initial position; if the distance between the third node D and the first node A in the clockwise direction is smaller than the distance between the first node A and the third node D in the clockwise direction, the third node D is the initial position of the short braid.
Another relatively loose winding of the braid, such as shown in fig. 14, is characterized in that the braid of such a pan 1045 does not suddenly protrude outwardly where it is wound around the beginning of the braid, but instead begins to protrude slowly outwardly at a previous location, as shown in fig. 14, defining the location of the beginning of the outward protrusion as a fourth node C and the location of the ending of the outward protrusion as a fifth node E, the surface measurement structure 1050 measuring the radius of the pan 1045 at the arc CE segment with a gradually increasing radius with the smallest radius at location C until the radius at location a reaches a maximum; the radius of the measuring material disk 1045 at the arc ED segment position is almost unchanged; when the position of the third node D is measured, the measurement result can generate mutation of the measurement data in an instant; the radius of the measured material disk 1045 at the location of the arc DC segment is nearly constant.
The surface measurement structure 1050 is utilized to collect data from the material disk 1045 in a loose winding mode, the operation module analyzes according to the collected data, and the material disk 1045 in a loose winding mode has three specific conditions:
In the first case, as shown in fig. 14, the braiding opening exceeds the initial braiding position, and the operation module can recognize that the outer contour of the material tray 1045 has two boundary points (C, E in fig. 15) of long radius and short radius, and a measurement data mutation point (point D), where the data mutation point is not located between the two boundary points;
In the second case, the braiding opening is not at the initial position of the braiding, as shown in fig. 18, the operation module can recognize that the outer contour of the material tray 1045 has two boundary points (C, E points in fig. 19) of long radius and short radius, and a measurement data mutation point (point D), where the data mutation point is located between the two boundary points;
In the third case, the braiding opening does not exceed the initial braiding position, as shown in fig. 22, the operation module can recognize that there are two boundary points (C, E in fig. 23) between the long radius and the short radius on the outer contour of the material tray 1045, and a measurement data abrupt change point (point D), and the data abrupt change point is not located between the two boundary points.
In the process that the operation module performs data acquisition on the outer contour of the material tray 1045 through the surface measurement structure 1050, the third node D measured through the surface measurement structure 1050 can be compared with the third node D obtained through the image recognition structure, so that secondary confirmation of the third node D is realized, and the accuracy of a system algorithm is improved. In general, the position of the third node D is closer to the position of the second node B, and if it is ensured that the position of the third node D is not erroneous, it is also greatly ensured that the position of the second node B is not erroneous, and it is important that the position of the second node B relates to statistics of the material quantity, which will be described in detail below.
The operation module can calculate the quantity of materials according to the outer contour data measured by the surface measurement structure 1050, specifically, the material tray 1045 with very tight braid winding is slightly different from the material tray 1045 with loose braid winding due to different winding tightness and algorithm. The algorithm principle of the operation module is described in detail below, so that those skilled in the art can better understand the technical scheme of the present invention:
Referring to fig. 6-7, and 11-12, in a tightly wound tray 1045: the sum of the previous (inner) braids (shaded in fig. 8 and shaded in fig. 12) can be approximated to one-by-one annular braid (annular part in fig. 9 and annular part in fig. 13), assuming that the first node a has a smaller radius R and a total of N layers of braids are wound on the material disc during rapid change of measured data, the braid length of the shaded portion is:
L1＝2π[(r+h)+(r+2h)+……+(r+Nh)]
The simplification is as follows:
L1＝πN·(2r+N+Nh)
Wherein,
So that the number of the parts to be processed,
Referring to fig. 14-15, 18-19, and 22-23, in a loosely wound tray 1045: the fifth node E and the former (inner) braid (the hatched portion in FIG. 16, the hatched portion in FIG. 20, and the hatched portion in FIG. 21) are not directly equivalent to the sum of the individual circular braids as the wound very tight material tray 1045, but can be transformed after being slightly deformed, for example, the hatched portion is formed by taking the line between the center of the circle and the fifth node E as a dividing line, and braids on the upper and lower sides of the dividing line are moved toward each otherThe deformed shadow portion may be approximately the sum of the annular braid (annular ring portion in fig. 17, annular ring portion in fig. 21, annular ring portion in fig. 25), assuming that the maximum radius measured near the fifth node E is R, the braid of the shadow portion is totally N layers, and the braid length of the shadow portion is:
The simplification is as follows:
L1＝πN·(2r+2h+Nh)
Wherein,
So that the number of the parts to be processed,
Referring to fig. 6, 10, 14, 18 and 22, the material, in addition to the material in the shadow portion, has a portion that extends beyond the shadow portion, and the length of the braid in the shadow portion is found as well as the length of the braid beyond the shadow portion.
Referring to fig. 9 and 13, in a material tray 1045 with very tight tape winding, since the first node a and the second node B can be precisely positioned, the included angle θ formed by the first node a and the second node B on the outer contour of the material tray can be precisely calculated by the operation module, so that the length of the tape beyond the first node a and the second node B is as follows:
In the material tray 1045 with loose braid winding referring to the drawings, since the fifth node E and the second node B can be accurately positioned, the included angle θ formed by the fifth node E and the second node B on the outer contour of the material tray can be accurately calculated by the operation module, so that the braid length of the excess portion is as follows:
It should be noted that, because the included angle θ formed by the first node a and the second node B or the fifth node E and the second node B has a major angle (greater than 180 ° and less than 360 °), a minor angle (greater than 0 ° and less than 180 °), a positive angle (counterclockwise rotation angle), and a negative angle (clockwise rotation angle), when θ takes the major angle, when θ takes the minor angle, when θ takes the positive angle, and when θ takes the negative angle, these will affect the calculation of the material quantity by the operation module. This relates to the forward and reverse of the trays, and the description has been made above in detail regarding how to distinguish the forward and reverse states of the trays, so that it is concluded here with reference to fig. 8, 12, 16 and 20 that θ is the positive angle from the first node a to the second node B or from the fifth node E to the second node B when the trays are forward; when the material tray is inverted, θ is the negative angle from the first node a to the second node B, or the negative angle from the fifth node E to the second node B. Depending on the actual condition of the tray, θ may be a major angle or a minor angle.
The total length of the braid can be expressed as:
L Total (S) ＝L1+L2
wherein, the total length of the material disk 1045 with tightly wound braid is,
The overall length of the relatively loosely wound braid pan 1045 is,
The actual number of materials is equal to the total length of the braid divided by the distance on the same side between adjacent materials,
That is, the amount T (X) of the material on the material tray 1045, in which the braid is tightly wound, is:
The quantity T (X) of the materials on the material tray 1045 with loose braid winding is as follows:
Preferably, in order to improve the accuracy of identifying the materials, a supplementary coefficient K is calculated when the materials are counted, that is, the coefficient K is added on the basis of the calculated number of materials T (X), the coefficient K may be a positive number or a negative number, and may be matched with the number of layers of the materials, after the calculation module calculates the parameter N, the parameter N is automatically matched with a coefficient K, and the result is corrected, where the coefficient K may be set by an operator according to the actual condition of the material tray 1045, for example, when n=3, k= +1; when n=6, k= +3. The quantity statistics of the materials is more accurate after the coefficient K is introduced. The factor K is particularly applicable to a material reel 1045 with a relatively loose braid winding, and may not be introduced on a material reel 1045 with a very tight braid winding.
Preferably, regarding how to determine which side of the break 1041 the second node B is located, besides the above-mentioned distinction by comparing the imaging definition of the two sides of the braid break 1041, the judgment can be made by forward and backward placement of the material tray, when the material tray is forward placed, the second node B is located on one side of the break 1041 clockwise (based on the top view direction); when the tray is inverted, the second node B is located on the counterclockwise side of the break 1041.
Communication module
The communication module 102 is used for data transmission and signal transmission between the modules, for example, the management server 101 sends a signal to the acquisition module 104 through the communication module 102; the acquisition module 104 transmits information to the operation module 103 through the communication module 102; the operation module 103 transmits the information to the management server 101 or the like through the communication module 102. The communication module can be cable communication, 2G, 3G, 4G, 5G communication module, wifi communication module, zigBee protocol, NB-IOT communication and Bluetooth communication.
It should be noted that if the invention is not specified, the clockwise direction and the anticlockwise direction are judged based on the top view direction of the material disc. The foregoing is merely illustrative of specific embodiments of the invention, and the scope of the invention is not limited thereto, but is intended to cover any variations or alternatives not covered by the inventive subject matter, and therefore, the scope of the invention is defined by the appended claims.
Claims (8)
1. The intelligent material warehouse management system is characterized by comprising a management server, an acquisition module, an operation module and a communication module, wherein the management server can be used for displaying material information or inputting material information, the material information comprises material types and material stock, the management server sends signals to the acquisition module through the communication module, the acquisition module starts to acquire information of a material disc and transmits the acquired information to the operation module through the communication module, the operation module carries out logic operation according to the information acquired by the acquisition module to obtain the material types and the quantity on the material disc, and the operation module feeds the material information back to the management server through the communication module and updates data in the management server;
The acquisition module is used for acquiring information of the material disc and comprises a material disc surface measurement structure and an image recognition structure, wherein the material disc surface measurement structure is used for measuring the radius of each position of the material disc; the image recognition structure comprises a vertical scanning device and a horizontal scanning device, wherein the horizontal scanning device is arranged on the side surface of the material disc, can relatively rotate with the material disc and is used for scanning the side surface image of the material disc, the horizontal scanning device can send the scanned side view image to the operation module, the installation position of the vertical scanning device is positioned above the material disc, the vertical scanning device can scan the top view of the material disc, and the vertical scanning device can send the scanned top view to the operation module;
The operation module is combined with the top view and the side view to calculate the position of a first material of the material braid opening on the top view, wherein the first material of the material braid opening is a second node B, and the position of a broken opening of the material braid opening is a third node D;
The operation module can also draw the external contour of the material disc according to the radius L 2 of each position on the material disc measured by the surface measurement structure, and the material disc is very tight for braiding winding; the braiding of the material disc protrudes outwards when the braiding is wound around the position near the initial position of the braiding, the outwards protruding position is a first node A, when the surface measuring structure measures the outer contour of the material disc, the measuring result can rapidly change measuring data in a short time when measuring the position of the first node A, the change is continuous, and when measuring the position of a third node D, the measuring result can suddenly change the measuring data in an instant;
The surface measurement structure comprises a telescopic push rod, when the surface measurement structure works, the push rod stretches out to be abutted against a material braid on the material tray, the stretching length L 1 of the push rod is measured, the distance between the surface measurement structure and the center of the material tray is determined, the radius L 2 of the material braid on the material tray is L 2＝L-L1, the material tray is driven to rotate by starting a motor, the radius L 2 of each position on the material tray can be measured by the surface measurement structure, and the surface measurement structure can transmit data to the operation module through the communication module;
the material disc is provided with a label, information is directly marked on the label, or the information on the label can be read through scanning of a two-dimensional code and a bar code on the material disc by a vertical scanning device, the information obtained through reading the label can be fed back to a management server, and the information obtained through reading the label comprises the material type of the coiled material disc, the width l 1 of the material, the interval l 2 of adjacent materials, the radius r of a center circle of the material disc and the thickness h of a braid;
In a material tray with very tight braid winding: in the process of rapid change of measured data, the smaller radius of the first node A is R, N layers of braids are wound on the material disc altogether,
The braid length of the first portion is:
through the accurate location to first node A and second node B, calculate first node A and second node B and take contained angle θ on the outline of material dish, the braid length of second part is:
The total length of the braid can be expressed as:
the quantity T (X) of materials on the material disc with very tight braid winding is as follows:
2. The intelligent material warehouse management system of claim 1, wherein when the collection module scans the broken opening on the material braid, a line is displayed on the image;
When the acquisition module scans empty materials on the material braiding belt, blank images appear on the side view images scanned by the acquisition module;
When the acquisition module scans the material on the material braiding belt, a black rectangle appears on the side view image;
when empty materials are on one material tray: the position of the second node B is the position of a first black rectangle with a fracture opening facing to one side of the empty material direction;
When no empty material exists on one material disc, two black rectangles are identified near the breaking opening, the black rectangle formed by the outermost layer of the braid is clearer in the formed side view, the black rectangle formed by the penultimate layer is more fuzzy, and the position of the second node B is determined by comparing imaging definition of two sides of the breaking opening of the braid.
3. The intelligent material warehouse management system according to claim 1, wherein the push rod is provided with foam strips, and the thickness of the foam strips is subtracted when calculating the radius L 2 of each position on the material tray.
4. The intelligent material warehouse management system according to claim 1, wherein the operation module can perform data operation according to a side view image obtained by scanning by the horizontal scanning device for a material tray incapable of identifying a label, obtain a width l 1* of a material and an adjacent material interval l 2*, compare the width l 1* of the identified material and the adjacent material interval l 2* with the width parameters and the adjacent material interval parameters of materials of different materials in a pre-existing management server, and obtain a material type with the closest parameters, so that the material tray incapable of identifying the label is marked as the material type, and the material quantity of the material tray is together with the material quantity on the material tray capable of identifying the label of the same type;
The management server marks the material tray which cannot be identified by the tag, and after the management server marks the material tray, an operator can confirm the material type of the material tray in a manual mode, and if the material type identification errors are found, the management server can directly deduct the material quantity on the material tray.
5. The intelligent material warehouse management system according to claim 1, wherein when the material tray surface measurement structure identifies that a point or a section with a gradually larger radius exists in the anticlockwise direction of the outer contour of the material tray, the material tray is placed in the front; when the material disc surface measurement structure recognizes that a point or a section with gradually smaller radius exists in the anticlockwise direction of the outer contour of the material disc, the material disc is placed upside down.
6. The intelligent material warehouse management system according to claim 1, wherein in the process that the operation module performs data acquisition on the outer contour of the material disc through the surface measurement structure, the third node D measured through the surface measurement structure can be compared with the third node D obtained through the image recognition structure, so that secondary confirmation of the third node D is realized.
7. The intelligent warehouse management system of claim 5, wherein θ is a positive angle from a first node a counterclockwise to a second node B when the tray is being placed; when the tray is inverted, θ is the negative angle from the first node A counterclockwise to the second node B.
8. The intelligent material warehouse management system according to claim 1, wherein the coefficient K is added on the basis of the calculated material quantity T (X) after the material is counted to obtain T (X), the coefficient K is positive or negative, and is matched with the number of layers of the material, and when the operation module calculates the parameter N, the parameter N is automatically matched with the coefficient K, and the coefficient K is set by an operator according to the actual condition of the material disc.
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