CN112508484B - Inventory management system and method for intelligent storage of gypsum boards - Google Patents
Inventory management system and method for intelligent storage of gypsum boards Download PDFInfo
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- CN112508484B CN112508484B CN202011450780.1A CN202011450780A CN112508484B CN 112508484 B CN112508484 B CN 112508484B CN 202011450780 A CN202011450780 A CN 202011450780A CN 112508484 B CN112508484 B CN 112508484B
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Abstract
The invention discloses an inventory management system and method for intelligent storage of gypsum boards, which comprises the following steps: dividing a plurality of stacking routes in each warehousing area, and setting a warehousing-in and warehousing-out monitoring unit at an entrance of each stacking route; sending a warehousing instruction to a master control system, determining a corresponding warehousing area by the master control system according to the warehousing instruction, planning warehousing moving routes of a plurality of stacking routes and dividing stop nodes of each warehousing moving route; the master control system distributes an intelligent forklift to carry out warehousing and warehousing work, and the intelligent forklift carries out warehousing and carrying actions according to the received warehousing moving route; the in-out warehouse monitoring unit detects the movement times of the intelligent forklift in the stacking route, the stacking height and the stacking point of the intelligent forklift are adjusted according to the movement times, and the intelligent forklift carries out warehouse entry operation on the materials in rows; the whole inventory management system is low in calculation complexity, the response speed of the intelligent forklift is more sensitive, and the working efficiency of the whole intelligent warehouse is improved.
Description
Technical Field
The invention relates to the technical field of gypsum board production, in particular to a system and a method for managing the intelligent storage of gypsum boards.
Background
Establish intelligent gypsum board stereoscopic warehouse in current warehouse place to can utilize intelligent AGV fork truck automatic storage to go into the storehouse with the gypsum board product that has the bar code, conveniently carry out real-time effectual management to stock and shipment volume, the flow that current gypsum board put in storage roughly: packing and transferring the gypsum boards to a warehousing buffer area; the intelligent forklift fetches goods in the warehousing buffer area and transfers the goods to the corresponding warehousing warehouse; when the goods need to be delivered out of the warehouse, the intelligent forklift carries the goods in the warehouse-in warehouse to the delivery buffer area for packaging.
In the process of warehousing and storage and ex-warehouse transfer of the existing intelligent forklift, the mode of determining the stacking layer number utilization of the stacking points is mostly that an image acquisition unit on the intelligent forklift is firstly used for acquiring images of the stacking points in real time, then the images are analyzed to determine the stacking height, and finally the stacking points are transferred according to the stacking height, so that the operation mode is complex, the acquired images of the stacking points need to be analyzed and deeply processed, the stacking height of the stacking points cannot be judged once the image acquisition unit is covered by goods, and the implementation mode is unstable;
in addition, a monitoring system of the warehousing area is also needed to determine the whole image of the warehousing area to determine the inventory, the management and calculation of the whole inventory management system are complex, and the problems of inventory error and stacking point stacking height error are easy to occur.
Disclosure of Invention
The invention aims to provide an inventory management system and method for intelligent storage of gypsum boards, which aim to solve the technical problems that the processing mode for determining the stacking point height is complex, the implementation mode is unstable and the management calculation of the whole inventory management system is complex in the prior art.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
an inventory management system for intelligent warehousing of gypsum boards, comprising:
the warehousing instruction generating unit is used for starting or stopping warehousing operation;
the ex-warehouse instruction generating unit is used for starting or stopping ex-warehouse operation;
the master control system is used for receiving and analyzing the instructions of the warehousing instruction generating unit and the ex-warehouse instruction generating unit, determining material pile points and warehousing areas, planning warehousing moving routes and ex-warehouse moving routes of the warehousing areas and the ex-warehouse pile points;
the intelligent forklift carrying unit is in communication connection with the master control system and is used for receiving the moving route planned by the master control system, circularly stocking at the material stacking points and the plurality of stacking points in the warehousing area and circularly discharging at the plurality of stacking points in the warehousing area and the warehousing-out stacking points;
and the warehouse entry and exit monitoring unit is arranged in the warehouse entry area and is respectively in communication connection with the master control system and the intelligent forklift carrying unit, the intelligent forklift carrying unit detects the uniformity of the inventory goods through identification, and the intelligent forklift carrying unit detects the inventory quantity and the shipment quantity through identification of the load and the carrying times.
As a preferred scheme of the invention, the master control system is in communication connection with the intelligent forklift carrying unit, stop nodes corresponding to each stacking point are arranged on the warehousing moving route planned by the master control system, and the intelligent forklift carrying unit sequentially stacks and warehouses the stacking points quantitatively on each stop node.
As a preferred scheme of the invention, the in-out warehouse monitoring unit is used for monitoring the stacking and warehousing times of the intelligent forklift carrying units, and the in-out warehouse monitoring unit at least comprises a radio frequency identification module, a weighing module and a processing center, wherein the weighing module detects the load movement of the intelligent forklift carrying units and the zero-load movement of the intelligent forklift carrying units to determine single stacking and warehousing, the processing center establishes communication connection with the intelligent forklift carrying units according to the stacking and warehousing times of the intelligent forklift carrying units at a fixed frequency, and the intelligent forklift carrying units receive output instructions of the processing center and then sequentially move to the stop nodes to perform quantitative stacking and warehousing from top to bottom.
As a preferred scheme of the invention, the processing center establishes communication connection with the master control system according to the single stacking warehousing fixed frequency of the intelligent forklift carrying unit, and the master control system calculates the warehousing number of times of stacking of the intelligent forklift carrying unit and the stacking amount of each stacking point to count the inventory of each warehousing area.
As a preferred aspect of the present invention, the in-out warehouse monitoring unit is configured to monitor the times of moving out of the warehouse of the intelligent forklift carrying unit, the in-out warehouse monitoring unit determines a single time of moving out of the warehouse by detecting twice zero-load movement of the intelligent forklift carrying unit and load movement of the intelligent forklift carrying unit, the in-out warehouse monitoring unit establishes a communication connection with the intelligent forklift carrying unit according to a single time of moving out of the warehouse fixed frequency of the intelligent forklift carrying unit, the intelligent forklift carrying unit receives an output instruction of the in-out warehouse monitoring unit and then sequentially moves to the stop node to carry out quantitative moving out of the warehouse from top to bottom, the in-out warehouse monitoring unit establishes a communication connection with the central control system according to the fixed frequency of moving out of the warehouse of the intelligent forklift carrying unit, and the central control system determines the warehouse moving quantity and the current storage quantity by calculating the times of moving out of the intelligent forklift carrying unit and the inventory of the warehouse area.
As a preferred aspect of the present invention, the radio frequency identification module is configured to identify the intelligent forklift carrying units allocated to the current warehousing mobile route and the ex-warehouse mobile route, the processing center sends a first fixed-frequency signal and a second fixed-frequency signal to the intelligent forklift carrying units according to the carrying times of the intelligent forklift carrying units, the intelligent forklift carrying units adjust the parking nodes on the warehousing mobile route or the ex-warehouse mobile route according to the first fixed-frequency signal, and the intelligent forklift carrying units adjust the stacking heights of the parking nodes according to the second fixed-frequency signal.
In order to solve the above technical problems, the present invention further provides the following technical solutions: a method for managing the inventory of intelligent gypsum board warehouse comprises the following steps:
step 100, dividing a plurality of stacking routes in each warehousing area, dividing a plurality of stacking points on each stacking route, and setting an in-and-out warehouse monitoring unit at an entrance of each stacking route;
200, sending a warehousing instruction to a master control system, determining a corresponding warehousing area by the master control system according to the warehousing instruction, planning warehousing moving routes of a plurality of stacking routes and dividing stop nodes of each warehousing moving route;
300, distributing an intelligent forklift to carry out warehousing and warehousing work by a master control system, and respectively sending warehousing moving routes to different intelligent forklifts, wherein the intelligent forklifts carry out warehousing and carrying actions according to the received warehousing moving routes;
step 400, the warehousing-in and warehousing-out monitoring unit detects the movement times of the intelligent forklift in the stacking route, the stacking height and the stacking point are adjusted by the intelligent forklift according to the movement times, and the intelligent forklift carries out warehousing operation on materials in rows.
As a preferred scheme of the present invention, in step 400, the intelligent forklift carries materials to corresponding stacking points according to the warehousing moving route, the warehousing and ex-warehousing monitoring unit calculates the number of stacking layers of each stacking point by calculating the number of movements of each intelligent forklift, so as to regulate and control the stay nodes of the intelligent forklift by using the number of stacking layers of each stacking point, and further realize fixed-point and quantitative storage of the whole warehousing area, and the specific implementation steps are as follows:
step 401, the intelligent forklift carries materials to a first stopping node of the warehousing area according to the warehousing moving route;
step 402, comparing the weight of the intelligent forklift in and out once during carrying goods by the in-out monitoring unit, and counting once and sending a second constant frequency signal to the intelligent forklift if the weight difference between the two times of in and out of the intelligent forklift is the weight of the goods by the in-out monitoring unit; if the weight difference between the two times of entering and exiting of the intelligent forklift is zero, the entering and exiting monitoring unit does not count and sends alarm information to the master control system;
step 403, the intelligent forklift receives the second fixed-frequency signal and adjusts the stacking height in the first stopping node, and the step 401 and the step 402 are repeated;
and 404, when the number of times counted by the warehouse-in and warehouse-out monitoring units is the same as the number of times set as a standard, sending a fixed-frequency signal I and a fixed-frequency signal II to the intelligent forklift simultaneously, sending the fixed-frequency signal I to the master control system, moving the intelligent forklift into the next stop node and adjusting the stacking height, and calculating the current warehouse-in number by the master control system.
As a preferable scheme of the present invention, in step 402, the warehousing-in and warehousing monitoring unit determines the intelligent forklift by using an identification unit, determines the weight of the intelligent forklift by using a weighing unit, when the intelligent forklift identified by the identification unit is different from the intelligent forklift allocated to the warehousing field, a processing center of the warehousing-in and warehousing monitoring unit clears the weighing data of the intelligent forklift by using the weighing unit, and the warehousing-in and warehousing monitoring unit determines normal operation of warehousing operation by comparing the weight difference of the same intelligent forklift.
As a preferable scheme of the present invention, in step 402, the same warehousing moving route is sent to at least one intelligent forklift, when goods are stacked on the same stop node, the warehousing-in/out monitoring unit only sends a second fixed-frequency signal to the intelligent forklift, and when goods stacked on the same stop node satisfy a set value, the stop node is cleared on the warehousing moving route.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the invention, the in-out monitoring unit is directly utilized to determine the stacking height, regulate and control the transfer of the intelligent forklift and count the current storage amount, the calculation complexity of the whole inventory management system is low, the organic overall planning of the whole inventory management module is realized, and the intelligent forklift does not need to calculate the stacking height by itself, so that the reaction speed is more sensitive, and the working efficiency of the whole intelligent storage is improved;
(2) According to the invention, whether material stacking is finished or not is determined by using the weight difference of the primary material warehouse-in carried by the intelligent forklift, so that the intelligent forklift can be effectively helped to judge whether a fault occurs or not, and compared with a mode using image analysis, the mode has the advantages of higher accuracy, low calculation complexity and high stability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
Fig. 1 is a block diagram of an inventory management system according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of inventory management amplification according to an embodiment of the present invention.
The reference numerals in the drawings denote the following, respectively:
1-a warehousing instruction generating unit; 2-a ex-warehouse instruction generation unit; 3-a master control system; 4-an intelligent forklift carrying unit; 5-warehouse-in and warehouse-out monitoring unit;
501-a radio frequency identification module; 502-a weighing module; 503-processing center.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1, the invention provides an inventory management system for intelligent storage of gypsum boards, which is used for calculating the inventory and the quantity of warehouse-out of a warehousing area in real time, so that double management of warehousing and warehouse-out can be realized, each stacking line of the warehousing area can be distributed to two or even more than two intelligent forklifts for carrying at the same time, and the stacking height of each stacking point of the stacking line is ensured to be the same, so that the management is more convenient, the problem of disordered stacking is avoided, and the intelligent forklifts do not need to use an infrared edge detector to detect the stacking height of the stacking point, so that the inventory management system integrates the functions of carrying line management, inventory calculation, quantity calculation and quantity stacking of warehouse-out and stacking point.
The inventory management system includes: the system comprises an warehousing instruction generating unit 1, an ex-warehouse instruction generating unit 2, a general control system 3, an intelligent forklift carrying unit 4 and an in-warehouse and out-warehouse monitoring unit 5.
The warehousing instruction generation unit 1 and the ex-warehouse instruction generation unit 2 serve as trigger points of the whole inventory management system, the master control system 3 serves as a calculation overall planning center of the whole inventory management system, the intelligent forklift carrying unit 4 and the in-warehouse and out-warehouse monitoring unit 5 serve as overall planning objects, and movement of warehousing stacking points is determined through interactive communication of information.
The warehousing instruction generation unit 1 is used for starting or stopping warehousing operation.
The ex-warehouse instruction generation unit 2 is used for starting or stopping the ex-warehouse operation.
The master control system 3 is used for receiving and analyzing the instructions of the warehousing instruction generating unit 1 and the ex-warehouse instruction generating unit 2, determining material pile points and warehousing areas, planning warehousing moving routes and ex-warehouse moving routes of the warehousing areas and the ex-warehouse pile points.
The intelligent forklift carrying unit 4 is in communication connection with the master control system 3 and is used for receiving the moving route planned by the master control system 3, circularly storing goods at the material stacking points and the multiple stacking points in the warehousing area and circularly discharging goods at the multiple stacking points and the ex-warehousing stacking points in the warehousing area.
The warehouse in and out monitoring unit 5 is arranged at the position of a plurality of rows of starting points in a warehouse entering area and is in communication connection with the master control system 3 and the intelligent forklift carrying unit 4 respectively, the warehouse in and out monitoring unit 5 detects the uniformity of inventory goods by identifying the intelligent forklift carrying unit 4, and the inventory and delivery quantity are detected by identifying the load and carrying times of the intelligent forklift carrying unit 4.
The warehousing instruction sent by the warehousing instruction generating unit 1 comprises the following parameters: the production line unloading position, the warehousing area and the warehousing quantity are obtained, the warehousing instruction generating unit 1 sends an instruction containing the parameters to a master control system, the master control system determines a warehousing moving route according to a China aerospace handling system and a China aerospace RMS system, the master control system is in communication connection with the intelligent forklift handling unit 4, and the intelligent forklift handling unit 4 is dispatched to carry materials at the production line unloading position to the corresponding warehousing area along the warehousing moving route.
As is known, most of the existing warehousing areas are classified into multiple rows for storage, and each intelligent forklift is allocated to a single row for material storage, so that a plurality of warehousing moving routes are planned by a master control system, and each warehousing moving route corresponds to each row of storage routes of the warehousing area.
In addition, the warehousing moving route planned by the master control system 3 is provided with stop nodes corresponding to each stacking point, the intelligent forklift carrying unit 4 sequentially performs quantitative stacking warehousing on the stacking points on each stop node, namely quantitative storage work is performed on a plurality of stacking points of each row of storage route, and when the stacking height of one stacking point reaches a specified standard height, the stacking point is transferred to the next stacking point for warehousing operation.
In this embodiment, the in-out warehouse monitoring unit 5 is configured to monitor the stacking and warehousing times of the intelligent forklift carrying unit 4, the in-out warehouse monitoring unit 5 at least includes a radio frequency identification module 501, a weighing module 502 and a processing center 503, the weighing module 502 detects the load movement of the intelligent forklift carrying unit 4 and the zero-load twice movement of the intelligent forklift carrying unit 4 to determine the single stacking warehousing, the processing center 503 establishes communication connection with the intelligent forklift carrying unit 4 according to the single stacking warehousing fixed frequency of the intelligent forklift carrying unit 4, and the intelligent forklift carrying unit 4 performs quantitative stacking warehousing from top to bottom at different stop nodes after receiving the output instruction of the processing center 503.
In the above, the intelligent forklift carrying unit 4 sequentially stacks and warehouses the stacking points on each stop node quantitatively, and when the stacking height of one stacking point reaches the specified standard height, transfers to the next stacking point to perform warehousing operation, so that it is the technical feature of the embodiment how to determine that the stacking height of a certain stacking point has reached the specified standard height.
The mode that the stacking number of piles of current intelligence warehousing system confirmed the stacking point utilizes is mostly utilizing the image acquisition unit on the intelligent fork truck carrying unit 4 earlier to gather the image of stacking point in real time, then carries out analysis to the picture and confirms the stack height, shifts the stacking point according to the stack height at last, therefore the operation is complicated, and need carry out analysis and depth processing to the stacking point image of gathering, and in case the image acquisition unit is covered then can't judge the range upon range of height of stacking point by the goods, implementation mode is unstable. In addition, a monitoring system of the warehousing area is also required to determine the whole image of the warehousing area to determine the inventory, the management mode of the whole inventory management system is unstable and complex, and the problems of wrong inventory and wrong stacking height of stacking points easily occur.
In order to solve the above problem, the present embodiment utilizes the in-out warehouse monitoring unit 5 to simultaneously realize three functions of monitoring the stacking height of the stacking point, managing the transfer of the stacking point, and calculating the stacking storage amount, and the specific implementation steps are as follows:
1. the intelligent forklift carrying unit 4 carries the materials to a first stop node along the warehousing moving route for material stacking, and the intelligent forklift carrying unit 4 passes through the warehousing-in and warehousing-out monitoring unit 5 on the warehousing moving route for the first time;
2. after the intelligent forklift carrying unit 4 finishes stacking the materials, the intelligent forklift carrying unit 4 returns to the blanking position of the production line along the warehousing moving route, and the intelligent forklift carrying unit 4 passes through the warehousing-in and warehousing-out monitoring unit 5 on the warehousing moving route for the second time;
3. the warehousing-out monitoring unit 5 detects the weight of the intelligent forklift carrying unit 4 passing through the warehousing moving route for the first time and the second time respectively by using the weighing module 502, and calculates the weight difference, that is, the weighing module 502 weighs the intelligent forklift carrying unit 4 twice every time the intelligent forklift carrying unit 4 stacks materials, the processing center 503 judges whether the stacking is successful or not by calculating the weight difference of twice, and if the weight difference is the same as the weight of the materials carried at a single time, the intelligent forklift carrying unit 4 is judged to have been stacked by one layer;
4. after the processing center 503 judges that stacking is successful, communication connection is established with the intelligent forklift carrying unit 4 when the intelligent forklift carrying unit 4 is put into storage for the next time, the intelligent forklift carrying unit 4 determines a stop node according to the communication signal and adjusts the stacking height, and the steps 1-3 are repeated;
5. when the number of successful carrying times of the intelligent forklift carrying unit 4 is the same as the specified standard stacking height, the intelligent forklift carrying unit 4 outputs an instruction by the processing center 503, and moves to the next stop node in sequence according to the output instruction to perform quantitative stacking and warehousing from top to bottom.
That is, the processing center 503 sends the first fixed-frequency signal and the second fixed-frequency signal to the intelligent forklift transporting unit 4 according to the transporting times of the intelligent forklift transporting unit 4, the intelligent forklift transporting unit 4 adjusts the stop node on the warehousing moving route or the ex-warehousing moving route according to the first fixed-frequency signal, and the intelligent forklift transporting unit 4 adjusts the stacking height at the stop node according to the second fixed-frequency signal.
When the number of successful carrying times of the intelligent forklift carrying unit 4 is the same as the specified standard stacking height, the processing center 503 establishes communication connection with the master control system 3 at a fixed frequency according to the number of stacking warehousing times of the intelligent forklift carrying unit 4, and the master control system 3 counts the inventory of each warehousing area by calculating the stacking warehousing times of the intelligent forklift carrying unit 4 and the stacking amount of each stacking point.
The present embodiment is therefore distinguished from the prior art in that:
according to the embodiment, the stacking height of each stop node is determined and the stop nodes are regulated and controlled by using the infrared identification or image acquisition system of the intelligent forklift carrying unit 4, but the stacking height of each stop node is determined by using the underground warehouse-in/out monitoring unit 5, so that the problem of damage caused by collision can be effectively avoided by using a ground-hidden management mode, the service life is long, the later maintenance cost is low, the infrared identification or image acquisition system is directly installed on the intelligent forklift carrying unit 4 and is exposed outside, the influence of materials stacked on other warehouse-in moving routes is very easily caused, the materials are easily influenced by collision, and the later maintenance cost is high.
In addition, the embodiment directly utilizes the processing center 503 of the in-out warehouse monitoring unit 5 to determine the stacking height, regulate and control the transfer of the intelligent forklift carrying unit 4 and count the current storage amount, the calculation complexity of the whole inventory management system is low, the organic overall arrangement of the whole inventory management module is realized, and the intelligent forklift carrying unit 4 does not need to calculate the stacking height by itself, so the reaction speed is more sensitive, and the working efficiency of the whole intelligent warehouse is improved.
In addition, the weight difference of the primary material warehouse-in when the intelligent forklift carrying unit 4 carries the materials is utilized to determine whether the material stacking is completed or not, the intelligent forklift carrying unit 4 can be effectively helped to judge whether the failure occurs or not, and compared with a mode of utilizing image analysis, the method is higher in accuracy, low in calculation complexity and high in stability.
The inventory management system of the embodiment can also be applied to warehouse-out management, the warehouse-in and warehouse-out monitoring unit 5 is used for monitoring the times of moving out of the intelligent forklift carrying unit 4, the warehouse-in and warehouse-out monitoring unit 5 determines single moving out of the warehouse by detecting the zero-load movement of the intelligent forklift carrying unit 4 and the load movement of the intelligent forklift carrying unit 4 twice, the warehouse-in and warehouse-out monitoring unit 5 establishes communication connection with the intelligent forklift carrying unit 4 according to the single moving out of the warehouse of the intelligent forklift carrying unit 4 at a fixed frequency, the intelligent forklift carrying unit 4 carries out quantitative moving out of the warehouse from top to bottom at a stop node in sequence after receiving the output command of the warehouse-in and warehouse-out monitoring unit 5, the warehouse-in and warehouse-out monitoring unit 5 establishes communication connection with the master control system 3 according to the fixed frequency of the times of moving out of the intelligent forklift carrying unit 4,
the warehousing operation of the ex-warehouse operation is basically the same, and the total control system 3 determines the ex-warehouse quantity and the current storage quantity by calculating the number of times of moving out of the warehouse by the intelligent forklift carrying unit 4 and the inventory quantity of the warehousing area.
It should be added that the radio frequency identification module 501 is used to identify the intelligent forklift carrying units 4 allocated to the current warehousing mobile route and the ex-warehouse mobile route, and the radio frequency identification module 501 is used to identify all the intelligent forklift carrying units 4 allocated to the warehousing area, when a certain intelligent forklift carrying unit 4 has completed the carrying operation of its warehousing mobile route or ex-warehouse mobile route, it can assist another intelligent forklift carrying unit 4 to carry out the material carrying operation, and the in-warehouse monitoring unit 5 sends instructions to the two intelligent forklift carrying units 4 according to the rules, so the problem of disorder of stock handling and ex-warehouse quantity will not occur, while the existing intelligent forklift can only carry out the material carrying operation along a fixed route, it uses the infrared identification or image acquisition system to determine the stacking height, even if two intelligent forklifts carry goods simultaneously, the carrying efficiency cannot be greatly improved.
In addition, as shown in fig. 2, the present invention further provides an inventory management method for intelligent gypsum board warehousing, which comprises the following steps:
step 100, dividing a plurality of stacking routes in each warehousing area, dividing a plurality of stacking points on each stacking route, and setting an in-out warehouse monitoring unit at an entrance of each stacking route.
That is, the intelligent forklift is used for independently stacking and storing in the warehousing area according to rows.
And 200, sending a warehousing instruction to a master control system, determining a corresponding warehousing area by the master control system according to the warehousing instruction, planning warehousing moving routes of a plurality of stacking routes and dividing stop nodes of each warehousing moving route.
Because the intelligent forklifts are distributed in rows, the warehousing moving routes of all the intelligent forklifts are different in the initial state, and the stop nodes correspond to all the stacking points.
And 300, distributing the intelligent forklifts to perform warehousing and warehousing work by the master control system, respectively sending the warehousing moving routes to different intelligent forklifts, and performing warehousing and carrying actions by the intelligent forklifts according to the received warehousing moving routes.
The master control system and the intelligent forklift of the embodiment also generally comprise a handling system and a navigation system, so that the master control system can plan a warehouse entering moving route in the whole warehouse area, and the intelligent forklift moves and handles according to the warehouse entering moving route.
Step 400, detecting the movement times of the intelligent forklift in the stacking route by the warehouse entry and exit monitoring unit, adjusting the stacking height and the stacking point by the intelligent forklift according to the movement times, and performing warehouse entry operation on the materials in rows by the intelligent forklift.
In step 400, the intelligent forklift carries the materials to the corresponding stacking points according to the warehousing moving route, the warehousing and ex-warehousing monitoring unit calculates the stacking number of layers of each stacking point by calculating the movement times of each intelligent forklift, so that the stacking number of layers of each stacking point is used for regulating and controlling the stop nodes of the intelligent forklift, fixed-point and quantitative storage of the whole warehousing area is realized, and the specific implementation steps are as follows:
step 401, the intelligent forklift carries the materials to a first stop node of a warehousing area according to a warehousing moving route;
step 402, comparing the weight of the intelligent forklift in and out of the warehouse every time the intelligent forklift carries goods, and if the weight difference of the intelligent forklift in and out twice is the weight of the goods, counting once by the warehouse in and out monitoring unit and sending a second constant frequency signal to the intelligent forklift; if the weight difference between the two times of entering and exiting of the intelligent forklift is zero, the entering and exiting monitoring units do not count and send alarm information to the master control system;
step 403, the intelligent forklift receives the second fixed-frequency signal and adjusts the stacking height in the first stop node, and the step 401 and the step 402 are repeated;
and step 404, when the number of times counted by the warehouse-in and warehouse-out monitoring units is the same as the set standard number of times, sending a fixed-frequency signal I and a fixed-frequency signal II to the intelligent forklift simultaneously, sending the fixed-frequency signal I to the master control system, moving the intelligent forklift into the next stop node and adjusting the stacking height, and calculating the current warehouse-in number by the master control system.
In step 402, the warehousing-in and warehousing-out monitoring unit determines the intelligent forklift by using the identification unit, then determines the weight of the intelligent forklift by using the weighing unit, and when the intelligent forklift identified by the identification unit is different from the intelligent forklift allocated in the warehousing field, the processing center of the warehousing-in and warehousing-out monitoring unit clears the weighing data of the intelligent forklift by using the weighing unit, and the warehousing-in and warehousing-out monitoring unit determines the normal operation of warehousing operation by comparing the weight difference of the same intelligent forklift.
That is, the present embodiment avoids the weighing operation for other intelligent forklifts using the identification unit, thus ensuring the accuracy of the stack stacking height calculation on each warehousing movement route.
In step 402, the same warehousing moving route is sent to at least one intelligent forklift, after the intelligent forklifts distributed to other warehousing moving routes of the warehousing area are transported, the master control system can send the other warehousing moving route of the warehousing area to the intelligent forklift, and at the moment, the same warehousing moving route is sent to two intelligent forklifts, and the warehousing storage efficiency can be improved due to the alternate work of the two intelligent forklifts.
When goods are stacked on the same stop node, the in-out-warehouse monitoring unit only sends a second fixed-frequency signal to the intelligent forklift, when the goods stacked on the same stop node meet a set value, the stop node is cleared on the in-warehouse moving route, the problem that the intelligent forklift selects the stop node mistakenly can be effectively solved, the stacking point to be stored is the first stop node on the in-warehouse moving route all the time, and therefore sequential stacking operation on the in-warehouse moving route is achieved.
The warehouse-out management method is similar to warehouse-in operation, and is only that the intelligent forklift transfers goods on each stacking point from top to bottom when the intelligent forklift is in warehouse-out, and the intelligent forklift stacks the goods on each stacking point from bottom to top when the intelligent forklift enters the warehouse, so that the positions of fork plates and the modes of stopping nodes when the intelligent forklift is in warehouse-out are controlled to be the same as the warehouse-in management method.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (8)
1. An inventory management system for intelligent storage of gypsum boards, comprising:
the warehousing instruction generating unit (1) is used for starting or stopping warehousing operation;
the ex-warehouse instruction generating unit (2) is used for starting or stopping ex-warehouse operation;
the master control system (3) is used for receiving and analyzing the instructions of the warehousing instruction generating unit (1) and the ex-warehouse instruction generating unit (2), determining material pile points and warehousing areas and planning warehousing moving routes and ex-warehouse moving routes of the warehousing areas and the ex-warehouse pile points;
the intelligent forklift carrying unit (4) is in communication connection with the master control system (3) and is used for receiving a moving route planned by the master control system (3), the intelligent forklift carrying unit (4) circularly stocks at a plurality of stacking points in the material stacking area and the warehousing area according to the warehousing moving route, and the intelligent forklift carrying unit (4) circularly stocks at the plurality of stacking points in the warehousing area and the ex-warehouse stacking point according to the ex-warehouse moving route;
the warehouse entry and exit monitoring unit (5) is arranged in the warehouse entry area, is respectively in communication connection with the master control system (3) and the intelligent forklift carrying units (4), detects the uniformity of stocked goods by identifying the intelligent forklift carrying units (4), and detects the inventory quantity and the shipment quantity by identifying the load and the carrying times of the intelligent forklift carrying units (4);
the master control system (3) is in communication connection with the intelligent forklift carrying unit (4), stop nodes corresponding to each stacking point are arranged on the warehousing moving route planned by the master control system (3), and the intelligent forklift carrying unit (4) sequentially stacks and warehouses the stacking points quantitatively on each stop node;
the warehouse entry and exit monitoring unit (5) is used for monitoring stacking warehouse entry times of the intelligent forklift carrying unit (4), the warehouse entry and exit monitoring unit (5) at least comprises a radio frequency identification module (501), a weighing module (502) and a processing center (503), the weighing module (502) detects load movement of the intelligent forklift carrying unit (4) and zero-load movement of the intelligent forklift carrying unit (4) twice to determine single stacking warehouse entry, the processing center (503) establishes communication connection with the intelligent forklift carrying unit (4) according to fixed frequency of the stacking warehouse entry times of the intelligent forklift carrying unit (4), and the intelligent forklift carrying unit (4) receives an output instruction of the processing center (503) and then sequentially moves to the stop node to perform quantitative stacking warehouse entry from top to bottom.
2. The intelligent warehouse inventory management system for gypsum boards as claimed in claim 1, wherein: the processing center (503) establishes communication connection with the master control system (3) according to the single stacking warehousing fixed frequency of the intelligent forklift carrying units (4), and the master control system (3) calculates the stacking warehousing times of the intelligent forklift carrying units (4) and the stacking amount of each stacking point to count the inventory of each warehousing area.
3. The inventory management system for intelligent storage of gypsum boards according to claim 1 or 2, wherein: the in-out warehouse monitoring unit (5) is used for monitoring the number of times of warehouse moving of the intelligent forklift carrying unit (4), the in-out warehouse monitoring unit (5) determines single warehouse moving through detecting twice zero load movement of the intelligent forklift carrying unit (4) and load movement of the intelligent forklift carrying unit (4), the in-out warehouse monitoring unit (5) is in communication connection with the intelligent forklift carrying unit (4) according to the single warehouse moving fixed frequency of the intelligent forklift carrying unit (4), the intelligent forklift carrying unit (4) receives an output instruction of the in-out warehouse monitoring unit (5) and then sequentially moves to the stop node to carry out quantitative warehouse moving from top to bottom, the in-out warehouse monitoring unit (5) establishes communication connection with the master control system (3) according to the fixed frequency of the number of times of warehouse moving of the intelligent forklift carrying unit (4), and the warehouse moving area storage quantity and the current storage quantity of the forklift storage quantity are determined through calculating the number of times of warehouse moving of the intelligent forklift carrying unit (4) and the warehouse moving area.
4. The inventory management system for intelligent storage of gypsum boards as claimed in claim 1, wherein: the radio frequency identification module (501) is used for identifying the intelligent forklift carrying units (4) distributed on the current warehousing mobile route and the ex-warehouse mobile route, the processing center (503) sends a first fixed frequency signal and a second fixed frequency signal to the intelligent forklift carrying units (4) according to the carrying times of the intelligent forklift carrying units (4), the intelligent forklift carrying units (4) adjust stop nodes on the warehousing mobile route or the ex-warehouse mobile route according to the first fixed frequency signals, and the intelligent forklift carrying units (4) adjust the stacking heights of the stop nodes according to the second fixed frequency signals.
5. A method applied to the intelligent gypsum board warehousing inventory management system of any one of claims 1-4, characterized by comprising the following steps:
step 100, dividing a plurality of stacking routes in each warehousing area, dividing a plurality of stacking points on each stacking route, and setting an in-and-out warehouse monitoring unit at an entrance of each stacking route;
200, sending a warehousing instruction to a master control system, determining a corresponding warehousing area according to the warehousing instruction by the master control system, planning warehousing moving routes of a plurality of stacking routes and dividing stop nodes of each warehousing moving route;
300, distributing an intelligent forklift to perform warehousing and warehousing work by a master control system, and respectively sending warehousing moving routes to different intelligent forklifts, wherein the intelligent forklifts perform warehousing and carrying actions according to the received warehousing moving routes;
step 400, the warehousing-in and warehousing-out monitoring unit detects the movement times of the intelligent forklift in the stacking route, the stacking height and the stacking point are adjusted by the intelligent forklift according to the movement times, and the intelligent forklift carries out warehousing operation on materials in rows.
6. The inventory management method for intelligent gypsum board warehousing according to claim 5, wherein in step 400, the intelligent forklift carries materials to corresponding stacking points according to the warehousing moving route, the warehousing and ex-warehousing monitoring unit calculates the number of stacked layers of each stacking point by calculating the number of movements of each intelligent forklift, so that the stop node of each intelligent forklift is regulated and controlled by the number of stacked layers of each stacking point, and further fixed-point and quantitative storage of the whole warehousing area is realized, and the specific implementation steps are as follows:
step 401, the intelligent forklift carries materials to a first stopping node of the warehousing area according to the warehousing moving route;
step 402, comparing the weight of the intelligent forklift in and out of the warehouse every time the intelligent forklift carries goods, and if the weight difference of the intelligent forklift in and out twice is the weight of the goods, counting once by the warehouse in and out monitoring unit and sending a second constant frequency signal to the intelligent forklift; if the weight difference between the two times of entering and exiting of the intelligent forklift is zero, the entering and exiting monitoring unit does not count and sends alarm information to the master control system;
step 403, the intelligent forklift receives the second fixed-frequency signal and adjusts the stacking height in the first stopping node, and step 401 and step 402 are repeated;
and 404, when the number of times counted by the warehouse entry and exit monitoring unit is the same as the set standard number of times, sending a first fixed-frequency signal and a second fixed-frequency signal to the intelligent forklift at the same time, sending the first fixed-frequency signal to the master control system, moving the intelligent forklift to the next stop node, adjusting the stacking height, and calculating the current warehouse entry number by the master control system.
7. The method for managing inventory of intelligent gypsum board warehousing according to claim 6, wherein in step 402, the warehousing-in and warehousing monitoring unit determines the intelligent forklift by using an identification unit, then determines the weight of the intelligent forklift by using a weighing unit, when the intelligent forklift identified by the identification unit is different from the intelligent forklift allocated in the warehousing field, a processing center of the warehousing-in and warehousing monitoring unit clears the weighing data of the intelligent forklift by the weighing unit, and the warehousing-in and warehousing monitoring unit determines normal operation of warehousing operation by comparing the weight difference of the same intelligent forklift.
8. The inventory management method for intelligent gypsum board warehousing as claimed in claim 6, wherein in step 402, the same warehousing moving route is sent to at least one intelligent forklift, when goods are stacked on the same stop node, the warehousing-out monitoring unit only sends a second fixed-frequency signal to the intelligent forklift, and when the goods stacked on the same stop node meet a set value, the stop node is cleared on the warehousing moving route.
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| US5241138A (en) * | 1992-02-13 | 1993-08-31 | L. H. Carbide Corporation | Coreweighing system for closed-loop stock gauging control |
| CN104036377B (en) * | 2014-06-05 | 2017-04-19 | 陕西科技大学 | Intelligent storage and distribution system optimization scheduling method based on polychromatic sets theory |
| CN106485451A (en) * | 2016-10-21 | 2017-03-08 | 国网安徽省电力公司电力科学研究院 | A kind of Application of Power Metering Instruments go out storage method |
| CN107878986B (en) * | 2017-11-08 | 2019-07-23 | 四川奇美铝业有限公司 | The storage method out of piler, automatic stereowarehouse and automatic stereowarehouse |
| CN207976761U (en) * | 2018-04-12 | 2018-10-16 | 南京华瑞德物流装备有限公司 | Cargo check weighing device on a kind of stacker loading platforms |
| KR101913219B1 (en) * | 2018-06-26 | 2018-10-30 | 주재선 | Warehouse Management System |
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| CN110456747A (en) * | 2019-07-31 | 2019-11-15 | 上海圣起包装机械有限公司 | A kind of unmanned stacking Input System |
| CN110895750A (en) * | 2019-11-29 | 2020-03-20 | 广汽丰田汽车有限公司 | Part warehousing method and system and computer readable storage medium |
| CN110949930B (en) * | 2019-12-30 | 2021-07-30 | 芜湖哈特机器人产业技术研究院有限公司 | Automatic updating method for number of layers of goods in palletizing robot |
| CN211569436U (en) * | 2019-12-31 | 2020-09-25 | 合肥赛摩雄鹰自动化工程科技有限公司 | Robot quantitative packaging and stacking device |
| CN111539668B (en) * | 2020-04-20 | 2024-03-01 | 广东电网有限责任公司 | Warehousing system based on radio frequency technology and control method |
| CN111689237A (en) * | 2020-05-27 | 2020-09-22 | 宝鸡文理学院 | Goods stack transfer system |
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