CN115249137A - Intelligent material warehousing management system - Google Patents
Intelligent material warehousing management system Download PDFInfo
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- CN115249137A CN115249137A CN202110469826.2A CN202110469826A CN115249137A CN 115249137 A CN115249137 A CN 115249137A CN 202110469826 A CN202110469826 A CN 202110469826A CN 115249137 A CN115249137 A CN 115249137A
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- G06Q10/087—Inventory or stock management, e.g. order filling, procurement or balancing against orders
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- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
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Abstract
The invention provides a material intelligent storage 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 storage, the management server sends a signal 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 performs 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 rate of accuracy of data, can effectively improve warehouse management's efficiency for the progress of factory production realizes the automated management in warehouse.
Description
Technical Field
The invention relates to the technical field of intelligent warehousing, in particular to an intelligent material warehousing management system.
Background
Electronic components are used as raw materials for electronic products produced and processed by electronic manufacturers and enterprises, and play an important role in the operation of the enterprises. Electronic components are often stored in a warehouse, the warehouse management is a transfer station of an enterprise, important nodes of sales, finance, purchasing and research and development are connected, materials are provided for production and research and development of a factory, and the progress of co-production and the completion of enterprise research and development projects are guaranteed.
The taping paster materials are small in quantity and size, high in specification precision and multiple in types, and in the production and processing process of electronic products, more uncertain factors can occur to influence the accuracy of material data, for example, the phenomena of material usage increase caused by chip mounter faults, material loss in the material transportation process and the like can cause inaccuracy of material usage data, inventory data of a warehouse does not accord with real material inventory when residual materials are recorded into the inventory again, the workload can be increased for warehouse management, the workload of other departments of an enterprise can be increased at the same time, when the actual material inventory is less than data in a server database, the enterprise needs to spend more funds to purchase materials, and the economic loss of the enterprise is increased.
Disclosure of Invention
The invention aims to provide an intelligent material warehousing management system to solve the problems in the background technology.
The technical scheme adopted by the invention is that the intelligent material storage 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 the material information, the material information comprises but is not limited to material types and material storage, the management server sends a signal to the acquisition module through the communication module, the acquisition module starts to acquire the information of a material disc and transmits the acquired information to the operation module through the communication module, the operation module carries out logical operation according to the information acquired by the acquisition module to obtain the material types and the material quantity on the material disc, and the operation module feeds the material information back to the management server through the communication module and updates the data in the management server.
Furthermore, the acquisition module is used for acquiring information of the material tray, the acquisition module comprises a material tray surface measurement structure and an image recognition structure, and the material tray surface measurement structure is used for measuring the radius of each position of the material tray; 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 tray, the horizontal scanning device and the material tray can rotate relatively and are used for scanning images on the side surface of the material tray, the horizontal scanning device can send scanned side view images to the operation module, the mounting position of the vertical scanning device is positioned above the material tray and can scan a top view of the material tray, and the vertical scanning device can send the scanned top view to the operation module;
the operation module can calculate the position of the first material of the material braiding port on the top view by combining the top view and the side view, the first material of the material braiding port is a second node B, and the position of the fracture port of the material braiding port is a third node D.
Further, when the acquisition module scans a fracture opening on the material braid, a line can be displayed on the image;
when the acquisition module scans empty materials on the material braid, a blank image appears on a side view image scanned by the acquisition module;
when the collection module scans the materials on the material braid, a black rectangle appears on the side view image.
When there is empty material on a material tray: the position of the second node B is the position of the first black rectangle at one side of the fracture opening towards the empty material direction;
when no empty material is on one material disc, two black rectangles can be recognized near the fracture opening, the black rectangle formed on the outermost layer of the braid in the formed side view is clearer, the black rectangle formed on the second last layer is more fuzzy, and the position of the second node B is determined by comparing the imaging clearness on two sides of the fracture opening of the braid.
Furtherly, surface measurement structure includes telescopic push rod, and surface measurement structure is at the during operation, and the push rod can stretch out with the material braid butt on the material dish, survey length L that the push rod stretched out this moment 1 The distance between the surface measuring structure and the center of the material tray is determined as L, so that the L of the material braid on the material tray 2 Radius of L 2 ＝L-L 1 By starting the motor to drive the material tray to rotate, the radius L of each position on the material tray can be measured by the surface measuring structure 2 The surface measurement structure can transmit data to the operation module through the communication module;
wherein, the push rod is provided with a foam strip, and the radius L of each position on the material calculating disc 2 When necessary, the thickness of the foam strip needs to be subtracted.
Furthermore, a label is arranged on the material disc, information is directly marked on the label or stored in a two-dimensional code, a bar code and the like, the vertical scanning device scans the material disc to form a plan view and read the information on the label, the information read by the label can be fed back to the management server, and the information read by the label includes but is not limited to the material type of the material disc and the width l of the material 1 Adjacent material spacing l 2 The radius r of the central circle of the material disc and the thickness h of the braid.
Aiming at some material trays which cannot identify labels, the operation module can obtain side view images for data operation according to the scanning of the horizontal scanning device to obtain the width l of the material 1* Adjacent material spacing l 2* Equal parameters, and then the width l of the identified material 1* Adjacent material spacing l 2* Comparing the parameters with width parameters, adjacent material interval parameters and other parameters of materials of different materials pre-stored in a management server to obtain the material type with the closest parameters, thereby marking the material tray which cannot be identified by the volume label as the material type, and metering the material quantity of the material tray together with the material quantity of the material tray which can be identified by the same type label;
the management server marks the material tray of which the label cannot be identified, and after the management server marks the material tray, 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 deduct the material quantity on the material tray directly.
Furthermore, the operation module can also measure the radius L of each position on the material tray according to the surface measurement structure 2 Drawing the external outline of the material disc, wherein the material disc has two forms: a very tight tray of material wrapped with braid; the braid of the material disc protrudes outwards at a position which is close to the initial position of the braid, the outward protruding position is a first node A by drawing the outer contour of the material disc, when the outer contour of the material disc is measured by the surface measuring structure, the measuring result can generate rapid change of the measuring data in a short time when the position of the first node A is measured, the change is continuous, and when the position of a third node D is measured, the measuring result can generate abrupt change of the measuring data in a moment, and the radii of the major arc AB section and the minor arc AB section are almost unchanged, namely arc shapes;
the other is loose wound braids, braids of the material disc do not protrude outwards suddenly at a place near the initial position of the braids, the braids of the material disc start to protrude outwards slowly at a previous section, the position where the outward protruding starts is defined as a fourth node C, the position where the outward protruding ends is defined as a fifth node E, the surface measuring 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 C position is minimum, and the radius of the C position reaches the maximum until the radius of the A position reaches the maximum; the radius of the measuring material disc at the position of the arc ED section is almost unchanged; when the position of the third node D is measured, the measurement result generates sudden change of the measurement data within a moment; the radius of the measuring material disc at the arc DC section position is almost unchanged;
when the material disc surface measuring structure identifies that points or intervals with gradually increased radiuses exist in the anticlockwise direction of the outer contour of the material disc, the material disc is placed in a positive mode; when the material tray surface measuring structure identifies that points or intervals with gradually reduced radiuses exist in the anticlockwise direction of the outer contour of the material tray, the material tray is placed upside down.
Furthermore, in the process that the operation module carries out data acquisition on the outer contour of the material tray through the surface measurement structure, the third node D measured through the surface measurement structure and the third node D obtained through the image recognition structure can be compared, and secondary confirmation of the third node D is achieved.
Further, in a tray where the braid is tightly wound: when the measured data of the first node A changes rapidly, the smaller radius of the first node A is R, N layers of braids are wound on the material disc together,
the braid length of the first section is:
through the accurate location to first node A and second node B, try to get first node A and second node B and be the contained angle theta on the outline of material dish, the braid length of second part is:
the overall length of the braid can be expressed as:
quantity T of materials on material tray with tightly wound braid (X) Comprises the following steps:
in a material tray with loose braid winding: the largest radius measured near the fifth node E is R, the braid of the shaded portion is wound by N layers in total, and the length of the braid of the first portion is:
through the accurate location to fifth node E and second node B, try to obtain fifth node E and second node B and be the contained angle theta on the outline of material dish, the braid length of second part is:
the overall length of the braid can be expressed as:
quantity T of materials on material tray with loose braid winding (X) Comprises the following steps:
further, when the material tray is placed right, theta is a positive angle from the first node A to the second node B in a counterclockwise mode, or a positive angle from the fifth node E to the second node B in a counterclockwise mode; when the material tray is placed upside down, θ is a negative angle from the first node a to the second node B counterclockwise, or a negative angle from the fifth node E to the second node B counterclockwise.
Further, T is obtained when the material is counted (X) Then, the calculated material quantity T is calculated (X) And a coefficient K is added on the basis, the coefficient K is a positive number or a negative number and is matched with the layer number of the material, after the parameter N is calculated by the operation module, the coefficient K can be automatically matched to one coefficient K, and the coefficient K is set by an operator according to the condition of the material tray in reality.
In conclusion, the beneficial effects of the invention are as follows: the intelligent material storage management system provided by the invention can calculate the residual quantity of materials according to the number of layers of the braid materials on the material tray and the position of the first patch material at the braid port, can ensure high accuracy of data, can effectively improve the efficiency of warehouse management, quickens the progress of factory production, and realizes automatic management of a warehouse; the intelligent warehouse management system is not interfered by the external environment (mainly light rays), so that the counting error is reduced; the intelligent storage management system cannot damage the material disc to be stored, and cannot damage components on the braid; meanwhile, the problem that the position of the material taping opening is measured inaccurately when the external outline of the material tray is measured by using 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 identification of the material type is wrong, the management server can conveniently deduct the quantity of the materials on the material tray directly, so that the high accuracy of inventory data is kept; in addition, in the process that the surface measurement structure carries out data acquisition on the outer contour of the material tray, the third node D obtained through the image recognition structure can be compared, 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 the tightness or looseness of the braid winding on the material discharging tray, and provide two sets of different algorithms aiming at the braids of two different winding modes to improve the accuracy rate of the system for counting the materials; the introduction of the supplementary coefficient K can eliminate errors generated in the algorithm process.
Drawings
FIG. 1 is a schematic diagram of an acquisition module in an intelligent warehouse management system;
FIG. 2 is a schematic structural view of FIG. 1 with the enclosed space hidden;
FIG. 3 is a schematic diagram of modules in the smart warehouse management system;
FIG. 4 is a top view of the tray;
FIG. 5 is a schematic diagram of a top view corresponding to a side view;
FIG. 6 is a schematic view of the braid opening over the initial position of the braid in a tightly wound tray;
FIG. 7 is a schematic outer profile view of FIG. 6;
fig. 8 is a schematic view of the tray of fig. 6 divided into two parts;
fig. 9 is a schematic view of the material tray approximation model in fig. 8;
FIG. 10 is a schematic view of the initial position of the braid opening and braid in a tightly wound tray;
FIG. 11 is a schematic external profile view of FIG. 10;
fig. 12 is a schematic view of the tray of fig. 10 divided into two parts;
fig. 13 is a schematic view of the material tray approximation model of fig. 12;
FIG. 14 is a schematic view of the taping port in a loose product reel beyond the initial position of the taping;
FIG. 15 is a schematic outer profile view of FIG. 14;
fig. 16 is a schematic view of the tray of fig. 14 divided into two parts;
fig. 17 is a schematic view of the material tray approximation model of fig. 16;
FIG. 18 is a schematic view of the initial position of the braid and the braid in a loose material reel;
FIG. 19 is a schematic outer profile view of FIG. 18;
figure 20 is a schematic view of the tray of figure 18 divided into two parts;
fig. 21 is a schematic view of the material tray approximation model of fig. 20;
FIG. 22 is a schematic view of an alternative loose wound tray with the braid opening and braid starting position;
FIG. 23 is a schematic outer profile view of FIG. 22;
figure 24 is a schematic view of the tray of figure 22 divided into two parts;
fig. 25 is a schematic view of the material tray approximation model of fig. 24;
FIG. 26 is a schematic view of a material braid with empty material;
FIG. 27 is a schematic view of a material braid break location;
FIG. 28 is a schematic view of materials on the material braid.
Detailed Description
Embodiments of the invention are described in further detail below with reference to the drawings, it being noted that the embodiments are merely illustrative of the invention and should not be considered as limiting, and that all features disclosed in the embodiments of the invention, or steps of all methods or processes disclosed, can be combined in any way, except mutually exclusive features and/or steps.
The embodiment provides a material intelligent storage 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 stocks 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 plate 1045 and transmits the information to the operation module 103 through the communication module 102, the operation module 103 performs logical operation according to the information acquired by the acquisition module 104 to obtain the material types and the material quantities on the material plate 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 for displaying material information or inputting material information, wherein the material information includes but is not limited to material category and material stock; the material category includes, but is not limited to, packaging of components such as 0402, 0603, 0805 and 1206. The material is fixed on material tray 1045.
The Management server 101 may be ERP (Enterprise Resource Planning), MES (Manufacturing Execution System), SCM (Supply Chain Management), or the like.
Acquisition module
The acquisition module 104 is configured to acquire 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 a radius 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 includes a vertical scanning device 1046 and a horizontal scanning device 1044, and referring to fig. 1 and fig. 2, the horizontal scanning device 1044 is disposed on a side surface of the material tray 1045 and is used for scanning a side image of the material tray, that is, a side view of the scanning taping port. In order to obtain a complete side view of tray 1045, tray 1045 can be rotated by a motor, or horizontal scanning device 1044 can rotate around tray 1045 by one rotation, so that horizontal scanning device 1044 scans the entire side of the tray to form a complete side view. In this embodiment, a mode that the motor 1051 drives the material tray 1045 to rotate is adopted, the rotating shaft of the motor 1051 is connected with the rotating disc 1052, the material tray 1045 is fixed on the rotating disc 1052, the rotating center of the rotating disc 1052 coincides with the center of the material tray 1045, and the rotating disc 1052 fixes the material tray 1045 in various optional modes, for example, a shaft penetrates through the material tray 1045, or fixes the material tray 1045 in a chuck mode.
Preferably, in order to avoid the interference of the external environment when the image recognition structure recognizes the image, the acquisition module 104 is operated in a closed environment, and an independent light source is arranged in the closed environment of the device, so as to ensure that the image recognition structure can work normally.
The surface measuring structure 1050 includes a retractable push rod 1053, when the surface measuring structure 1050 works, the push rod 1053 extends to abut against the material braid 1054 on the material tray 1045, and the extending length L of the push rod 1053 is measured at the moment 1 And the distance between the surface measuring structure 1050 and the center of the tray 1045 is determined as L, then L of the material braid 1054 on the tray 1045 is determined at this time 2 Radius of L 2 ＝L-L 1 By starting motor 1051 to rotate disk 1045, surface measurement structure 1050 can measure radius L at each location on disk 1045 2 . The surface measurement structure 1050 can transmit data to the calculation module 103 through the communication module 102.
Preferably, the force of the push rod 1053 cannot be too large in the process of abutting the push rod 1053 against the material braid 1054, so that the push rod 1053 is prevented from damaging the material on the material braid 1054. Further, the push rod 1053 is provided withA foam strip 1055, the foam strip 1055 can prevent damage to the material on the braid 1054. The foam strip 1055 has a thickness such that the radius L at each location on the computing pad 1045 2 When in measurement, the material braids 1054 at the position of the material braids mouth can be close to the material disc 1045, thereby avoiding the error of the measurement of the external contour, and if the problem of the error can not be eliminated, the counting of the material by the operation module can be greatly influenced.
The horizontal scanning device 1044 can send the scanned side view image to the operation module. The vertical scanning device 1046 is installed above the material tray 1045, and can horizontally scan the surface of the material tray 1045 to which the label is attached, 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 1046 can scan the material tray 1045 to form a top view and read the information on the label, according to the content of the label, the management server 101 can automatically identify the material type of the material tray 1045, and the width l of the material can be obtained 1 Adjacent material spacing l 2 Parameters such as the radius r of a central circle of the material disc, the thickness h of the braid and the like; 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 braiding port on the top view by combining the top view and the side view, in order to facilitate the description of the operation module later, the first material of the material braiding port is defined as a second node B, and the position of a fracture port of the material braiding port is defined as a third node D.
Preferably, for some material trays 1045 whose labels are worn or missing and cannot be identified by the management server 101, the operation module can scan the material trays 1045 according to the horizontal scanning device 1044Performing data operation on the side view image to obtain the width l of the material 1* Adjacent material spacing l 2* Isoparametric, then the width l of the identified material 1* Adjacent material spacing l 2* The isoparametric is compared with the isoparametric of the width parameter of the material of different materials and the isoparametric of the interval parameter of the adjacent materials which are pre-stored in the management server 101 to obtain the material type with the closest parameter, so that the material tray 1045 which cannot be identified by the volume label is marked as the material type, and the material quantity is measured together with the material quantity on the material tray which can be identified by the same type label. Further, the management server 101 marks the material tray 1045 of which the label cannot be identified, 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, an operator can conveniently confirm the material type of the material tray in a manual mode, if the material type identification error is found, the management server 101 can conveniently deduct the material quantity on the material tray directly, and the high accuracy of the inventory data is maintained.
Operation module
The operation module 103 can perform a logic operation, for example, the operation module calculates the position of the first material of the material taping port on the top view by using the top view and the side view. Since the side view is the image obtained by scanning the material tray 1045 for one circle, the initial scanning image and the last scanning image are the same, and the side view can form a ring structure 1061 similar to that shown in fig. 5, and the top view 1062 captured by the vertical scanning device 1046 should correspond to the ring structure 1061, that is, the points on each ring structure 1061 (side view) can be in one-to-one correspondence with the outer contour of the top view 1062, so that the top view 1062 can be found if the position of the first material is found on the ring structure 1061 (side view). The above principle can be applied to a computer algorithm to realize the position location of the first material on the top view: specifically, the position of the first material on the top view is positioned by enabling the pixels on the side view to correspond to the pixels on the bottom view one by one, positioning the position of the first material on the side view in an image recognition mode, and positioning the position of the first material on the top view by utilizing the correspondence between the pixels on the position and the pixels on the bottom view.
As to how to identify the position of the first material on the side view, the following steps may be included:
1. referring to fig. 5 and 27, when the collection module scans the break-off opening 1041 on the material braid 1054, a line is displayed on the image; when the acquisition module scans empty materials on the material braid 1054, a blank image appears on a side view image scanned by the acquisition module; when the collection module scans the material on the braid 1054, a black rectangle appears in the side view image.
2. When there is empty material on a material tray: the position of the second node B is the position of the first black rectangle at one side of the fracture opening towards the empty material direction; when no empty material is on one material disc, two black rectangles can be identified near the fracture opening, the black rectangle formed on the outermost layer of the braid is clearer in the formed side view, the black rectangle formed on the penultimate layer is fuzzy, and the position of the second node B is determined by comparing the imaging clarity on two sides of the braid fracture opening 1041.
The operation module can also measure the radius L of each position on the tray 1045 according to the surface measurement structure 1050 2 Drawing the outer contour of disc 1045 is performed. There are generally two types of commercial trays 1045: one is very tight for braid winding, as shown in figure 6; the other is a loose braid wrap as shown in fig. 14. The characteristics of the material tray 1045 in fig. 6 are that the braid of the material tray 1045 will protrude outward near the initial position of the braid, by drawing the outer contour of the material tray 1045, as shown in fig. 7, the position of this outward protrusion is defined as the first node a, when the surface measuring structure 1050 measures the outer contour of the material tray 1045, the measuring result will change rapidly in a short time at the first node a position, the change is continuous, when the third node D position is measured, the measuring result will change abruptly in a short time, and the major arc AB and minor arc AB of these two segments are located at the same timeThe radius is almost constant, i.e. circular. The initial position is understood to be the ray connecting the center point of the tray to the position where the braid is initially located.
Utilize surface measurement structure 1050 to carry out data acquisition to adopting winding material dish 1045 of the tight mode of winding, the operation module carries out the analysis according to the data gathered, winding material dish 1045 of the tight mode of winding has two kinds of concrete cases:
as shown in fig. 6 and fig. 7, the first is that the braiding opening exceeds the initial position of the braiding, and the computing module can identify a first node a and a third node D on the outer contour at this time, and the third node D exceeds the position of the first node a.
As shown in fig. 10 and 11, the second is the position of the braiding opening before the initial position of the braiding, 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 in the position of the first node a.
As to 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, it is now defined that when there is a point or section with gradually increased radius in the counterclockwise direction of the outer contour of the material tray 1045, the material tray 1045 is in a positive position; that is, when there is a point or an interval with a gradually decreasing radius in the counterclockwise direction of the outer contour of the material tray 1045, the material tray 1045 is placed upside down. When the material tray 1045 is in a forward 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 initial position of the braid; 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 at the beginning position of the un-reached braid. When the material tray 1045 is in the reverse 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 initial position of the braid; if the distance between the third node D and the first node A in the clockwise direction is less than the distance between the first node A and the third node D in the clockwise direction, the third node D is the un-reached braid initial position.
Another is a loose braid winding, for example, fig. 14, and its material tray 1045 is characterized in that the braid of this material tray 1045 does not suddenly protrude outward near the initial position of the braid, but starts to protrude outward slowly in the previous position, as shown in fig. 14, 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 measuring structure 1050 measures the radius of the material tray 1045 in the arc CE segment position, the radius of the position C is gradually increased, and the radius of the position C is minimum until the radius of the position a is maximum; the radius of the measuring material tray 1045 at the arc ED section position is almost unchanged; when the position of the third node D is measured, the measurement result generates abrupt change of the measurement data within a moment; the radius of the measurement material pan 1045 at the arc DC section position is almost constant.
Utilize surface measurement structure 1050 to carry out data acquisition to material dish 1045 of more loose winding mode, the operation module carries out the analysis according to the data gathered, material dish 1045 of more loose winding mode has three kinds of concrete conditions:
in the first case, as shown in fig. 14, when the braid opening exceeds the initial position of the braid, the operation module can identify that there are two boundary points (two points C and E in fig. 15) of the long radius and the short radius on the outer contour of the material tray 1045, and a measurement data discontinuity point (point D), where the data discontinuity point is not located between the two boundary points;
in the second case, the braiding opening is not in the initial position of the braiding, as shown in fig. 18, the operation module can recognize that there are two boundary points (two points C and E in fig. 19) of the long radius and the short radius on the outer contour of the material tray 1045, and a measurement data mutation point (point D), where the data mutation point is located between the two boundary points;
in a third situation, the braid opening does not exceed the braid initial position, as shown in fig. 22, the operation module can identify that there are two boundary points (two points C and E in fig. 23) of the long radius and the short radius on the outer contour of the material tray 1045, and a measurement data discontinuity point (point D), and the data discontinuity 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 and the third node D obtained through 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. Generally, 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 does not identify a mistake, it can also be greatly ensured that the position of the second node B does not identify a mistake, and the position of the second node B relates to statistics of the material quantity, which is very important and will be described in detail below.
The operation module can calculate the amount of the materials according to the outer contour data measured by the surface measurement structure 1050, specifically, the algorithm is slightly different between the material disc 1045 with the tightly wound braid and the material disc 1045 with the loosely wound braid due to the difference in winding tightness. The algorithm principle of the operation module is described in detail below, so that those skilled in the art can better understand the technical solution of the present invention:
referring to fig. 6-7 and 11-12, in the tightly wound ribbon tray 1045: the braid at the first node a and the previous (inner) braid (the shaded part in fig. 8, the shaded part in fig. 12) may be similar to the sum of one circular braid (the circular part in fig. 9, the circular part in fig. 13), and assuming that the first node a has a smaller radius R during the rapid change of the measured data, and N layers of braids are wound on the material disc, the length of the shaded braids is as follows:
L 1 ＝2π[(r+h)+(r+2h)+……+(r+Nh)]
the simplification is as follows:
L 1 ＝πN·(2r+N+Nh)
wherein,
therefore, the temperature of the molten steel is controlled,
referring to figures 14-15, 18-19, 22-23, in the strap wrap loose tray 1045: the braids at the fifth node E and the previous (inner) braids (the shaded part in fig. 16, the shaded part in fig. 20, the shaded part in fig. 21) which cannot be directly equivalent to the sum of a circular braids as the tightly wound material tray 1045, can be converted after slight deformation, for example, the braids at the upper side and the lower side of the division line are moved towards each other by taking the connecting line of the shaded part and the fifth node E as the division line and taking the connecting line of the circle center and the fifth node E as the division line
The deformed shaded portion may be similar to a sum of circular braids (the circular portion in fig. 17, the circular portion in fig. 21, and the circular portion in fig. 25), and assuming that the largest radius measured near the fifth node E is R, the braids of the shaded portion are wound by N layers in total, the length of the braids of the shaded portion is:
the simplification is as follows:
L 1 ＝πN·(2r+2h+Nh)
wherein,
therefore, the temperature of the molten steel is controlled,
referring to fig. 6, 10, 14, 18 and 22, the materials except the materials in the shaded area and the materials partially exceeding the shaded area, the lengths of the braids in the shaded area and the lengths of the braids in the excess area are obtained.
Referring to fig. 9 and 13, in the material tray 1045 with tightly wound braid, since the first node a and the second node B can be accurately positioned, an included angle θ formed by the first node a and the second node B on the outer contour of the material tray can be accurately calculated by the operation module, so that the length of the braid of the excess part is:
in the material tray 1045 with loose braid winding with reference to the attached drawings, since the fifth node E and the second node B can be accurately positioned, an 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 part is:
it should be noted that, because the included angle θ formed between the first node a and the second node B or between the fifth node E and the second node B is divided into a good angle (larger than 180 ° and smaller than 360 °), a bad angle (larger than 0 ° and smaller than 180 °), a positive angle (counterclockwise rotation angle) and a negative angle (clockwise rotation angle), when θ takes the good angle, when θ takes the bad angle, when θ takes the positive angle and when θ takes the negative angle, these all affect the calculation of the material amount by the operation module. This relates to the forward and reverse placement of the tray, and the above has described in detail how to distinguish between the forward and reverse placement of the tray, so it is concluded here with reference to fig. 8, 12, 16 and 20 that when the tray is placed, 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 material tray is placed upside down, theta is a negative angle from the first node A to the second node B in a counterclockwise mode, or a negative angle from the fifth node E to the second node B in a counterclockwise mode. Depending on the actual condition of the tray, θ may be either a good angle or a bad angle.
The overall length of the braid can be expressed as:
L general (1) ＝L 1 +L 2
Wherein, the total length of the material tray 1045 with tightly wound braids is,
the total length of the material tray 1045 with loose braid winding is,
the actual quantity of material is equal to the total length of the braid divided by the distance between adjacent materials on the same side,
i.e. the amount T of material on the material tray 1045 with the braid tightly wound (X) Comprises the following steps:
number T of materials on material disc 1045 with loose braid winding (X) Comprises the following steps:
preferably, in order to increase the accuracy of the material identification, a compensation factor K is calculated during the material counting, i.e. the calculated material quantity T (X) Is added with a coefficient K which can be positive or negative and isThe number of layers of the material can be matched, when the parameter N is calculated by the operation module, a coefficient K is automatically matched, and the result is corrected, where the coefficient K can be set by an operator according to the actual condition of the material tray 1045, for example, when N =3, K = +1; n =6, K = +3. The introduction of the coefficient K enables the quantity statistics of the materials to be more accurate. The coefficient K is particularly suitable for material trays 1045 with a loose braid winding, and the coefficient K may not be introduced into the material tray 1045 with a tight braid winding.
Preferably, how to determine which side of the fracture hole 1041 the second node B is located is determined by, in addition to the above-mentioned differentiation by comparing the imaging resolutions on the two sides of the braid fracture hole 1041, performing determination by forward and backward placing of the material tray, and when the material tray is forward placed, the second node B is located on one side (based on the top view direction) of the fracture hole 1041 in the clockwise direction; when the material tray is placed upside down, the second node B is located on the counterclockwise direction side of the fracture hole 1041.
Communication module
The communication module 102 is used for data transmission and signal transmission among 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 the information to the operation module 103 through the communication module 102; the arithmetic module 103 transmits information to the management server 101 and 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 not specifically mentioned, the clockwise direction and the counterclockwise direction are both determined based on the top view direction of the material tray. The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be covered within the scope of the invention, and therefore the scope of the invention should be subject to the scope of protection defined by the claims.
Claims (10)
1. The utility model provides a material intelligent storage management system, a serial communication port, including the management server, the collection module, the operation module, communication module, the management server can be used for showing material information or input material information, material information includes but not limited to material category, the material stock, the management server sends the signal for the collection module through communication module, the collection module begins to gather the information of material dish, and transmit the information of gathering to the operation module through communication module, the operation module carries out logical operation according to the information that the collection module gathered, obtain material type and quantity on the material dish, operation module rethread communication module feeds back material information to the management server, and update the data in the management server.
2. The system for intelligent material warehousing management according to claim 1, wherein the acquisition module is used for acquiring information of the material tray, the acquisition module comprises a material tray surface measurement structure and an image recognition structure, and the material tray surface measurement structure is used for measuring the radius of each position of the material tray; 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 tray, the horizontal scanning device and the material tray can rotate relatively and are used for scanning images on the side surface of the material tray, the horizontal scanning device can send scanned side view images to the operation module, the mounting position of the vertical scanning device is positioned above the material tray and can scan a top view of the material tray, and the vertical scanning device can send the scanned top view to the operation module;
the operation module can calculate the position of the first material of the material braiding port on the top view by combining the top view and the side view, the first material of the material braiding port is a second node B, and the position of a fracture port of the material braiding port is a third node D.
3. The intelligent material warehousing management system according to claim 2, wherein when the acquisition module scans a fracture opening on the material braid, a line is displayed on the image;
when the acquisition module scans empty materials on the material braid, a blank image appears on a side view image scanned by the acquisition module;
when the collection module scans the materials on the material braid, a black rectangle appears on the side view image.
When there is empty material on a material tray: the position of the second node B is the position of the first black rectangle at one side of the fracture opening towards the empty material direction;
when no empty material is on one material disc, two black rectangles can be recognized near the fracture opening, the black rectangle formed on the outermost layer of the braid in the formed side view is clearer, the black rectangle formed on the second last layer is more fuzzy, and the position of the second node B is determined by comparing the imaging clearness on two sides of the fracture opening of the braid.
4. The system according to claim 2, wherein the surface measurement structure comprises a retractable push rod, and when the surface measurement structure works, the push rod extends to abut against the material braid on the material tray, and the extending length L of the push rod is measured 1 The distance between the surface measuring structure and the center of the material tray is determined as L, so that the L of the material braid on the material tray 2 Radius of L 2 ＝L-L 1 By starting the motor to drive the material disc to rotate, the radius L of each position on the material disc can be measured by the surface measuring structure 2 The surface measurement structure can transmit data to the operation module through the communication module;
wherein, the push rod is provided with a foam strip, and the radius L of each position on the material calculating disc 2 When necessary, the thickness of the foam strip needs to be subtracted.
5. The system according to claim 4, wherein the material tray is provided with a label, the label is directly marked with information or stores information in a two-dimensional code, a bar code or other forms, the vertical scanning device scans the material tray not only to form a top view, but also to read the information on the label, the information read by the label can be fed back to the management server, and the information read by the label includes but is not limited to the volumeType of material, width l of material 1 Adjacent material spacing l 2 The radius r of the central circle of the material disc and the thickness h of the braid.
Aiming at some material trays which cannot identify labels, the operation module can obtain side view images for data operation according to the scanning of the horizontal scanning device to obtain the width l of the material 1* Adjacent material spacing l 2* Equal parameters, and then the width l of the identified material 1* Adjacent material spacing l 2* Comparing the parameters with width parameters, adjacent material interval parameters and other parameters of materials of different materials pre-stored in a management server to obtain the material type with the closest parameters, thereby marking the material tray which cannot be identified by the volume label as the material type, and metering the material quantity of the material tray together with the material quantity of the material tray which can be identified by the same type label;
the management server marks the material tray of which the label cannot be identified, and after the management server marks the material tray, 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 deduct the material quantity on the material tray directly.
6. The system according to claim 5, wherein the computing module is further configured to measure the radius L of each position on the material tray according to the surface measurement structure 2 Drawing the external outline of the material disc, wherein the material disc has two forms: a very tight tray of material wrapped with braid; the braid of the material tray protrudes outwards at a position near the initial position of the braid, the outward protruding position is a first node A by drawing the outer contour of the material tray, when the outer contour of the material tray is measured by the surface measuring structure, the measuring result can generate rapid change of the measuring data in a short time when the position of the first node A is measured, the change is continuous, when the position of a third node D is measured, the measuring result can generate abrupt change of the measuring data in a moment, and in a major arc AB section and a minor arc AB section, the radius of the major arc AB section and the radius of the minor arc AB section are respectively equal to the radius of the first node A, the second node A and the third node D, and the third node D is positioned in a short timeAlmost invariable, i.e. arc-shaped;
the other is loose braid winding, the braid of the material disc does not suddenly protrude outwards at a place which is wound to the position near the initial position of the braid, the braid starts to slowly protrude outwards at a 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 measuring 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 C position is minimum, and the radius of the C position is maximum until the radius of the A position is maximum; the radius of the measuring material disc at the position of the arc ED section is almost unchanged; when the position of the third node D is measured, the measurement result generates abrupt change of the measurement data within a moment; the radius of the measuring material disc at the arc DC section position is almost unchanged;
when the material disc surface measuring structure identifies that points or intervals with gradually increased radiuses exist in the anticlockwise direction of the outer contour of the material disc, the material disc is placed in a positive mode; when the material disc surface measuring structure identifies that points or intervals with gradually-reduced radiuses exist in the anticlockwise direction of the outer contour of the material disc, the material disc is placed reversely.
7. The system according to claim 6, wherein in the process that the operation module collects data of the outer contour of the material tray 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.
8. The intelligent material warehousing management system of claim 6, wherein in a material tray with tightly wound braids: the first node A has a smaller radius R in the process of rapid change of the measured data, N layers of braids are wound on the material disc,
the braid length of the first section is:
through the accurate location to first node A and second node B, try to get first node A and second node B and be the contained angle theta on the outline of material dish, the braid length of second part is:
the overall length of the braid can be expressed as:
quantity T of materials on material tray with tightly wound braid (X) Comprises the following steps:
in a material tray with loose braid winding: the largest radius measured near the fifth node E is R, the braid of the shaded portion is wound by N layers in total, and the length of the braid of the first portion is:
through the accurate location to fifth node E and second node B, try to obtain fifth node E and second node B and be the contained angle theta on the outline of material dish, the braid length of second part is:
the overall length of the braid can be expressed as:
quantity T of materials on material tray with loose braid winding (X) Comprises the following steps:
9. the system according to claim 8, wherein θ is a positive angle from the first node a to the second node B counterclockwise, or a positive angle from the fifth node E to the second node B counterclockwise when the material tray is placed right; when the material tray is placed upside down, theta is a negative angle from the first node A to the second node B in a counterclockwise mode, or a negative angle from the fifth node E to the second node B in a counterclockwise mode.
10. The system according to claim 8, wherein T is obtained when the material is counted (X) Then, the calculated material quantity T is calculated (X) The coefficient K is a positive number or a negative number and is matched with the number of layers of the material, after the parameter N is calculated by the operation module, the coefficient K can be automatically matched with the coefficient K, and the coefficient K is set by an operator according to the actual condition of the material tray.
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