Intelligent warehouse management system for WMS-SAP integration in chemical industry

Abstract

The application discloses a kind of chemical industry WMS-SAP integrated intelligent warehouse management system, belong to chemical technology field, including basic configuration module, job execution module, inventory control module, system integration module and decision analysis module;The basic configuration module is respectively connected with job execution module, inventory control module two-way communication, for completing system basic parameter, warehouse location, material information and the initialization configuration of operation permission;Job execution module, inventory control module are all with system integration module two-way data interaction, for real-time external synchronization with field warehouse job data, inventory control data;The application is by setting job execution module is matched with RF mobile terminal, RFID scanning equipment, to replace traditional paper bill manual registration with paperless mobile operation, warehouse in / out, inventory efficiency is improved by more than 60%, eliminate artificial missing registration, wrong registration, data lag defect, solve the problem of low efficiency of existing technology warehouse operation.

Description

Technical Field

[0001] This invention belongs to the field of chemical technology, specifically relating to an intelligent warehouse management system integrating WMS-SAP for the chemical industry. Background Technology

[0002] Petrochemical companies store a wide variety of materials, including raw materials, finished products, various spare parts, and off-book materials. They have stringent batch control standards, high requirements for shelf-life management, and frequent material transfers between multiple warehouses within the group. The industry's warehousing operations have high compliance and production assurance needs for standardized warehouse locations, paperless operations, data interoperability between multiple systems, full-process traceability, and risk warning. Currently, the industry generally adopts an independent warehouse ledger management model, and a few warehousing systems only realize basic entry and exit registration for a single warehouse area.

[0003] The existing warehouse management solution does not integrate RFID identification, RF mobile operations, or four-level standardized warehouse location planning technologies, nor has it established a deep integration architecture with WMS, SAP, OA, and SRM, resulting in several shortcomings: First, the entire warehouse operation process relies on manual registration and verification of paper documents, making the processes of inbound / outbound, inventory, and transfer cumbersome, prone to omissions, errors, and data lag, and inefficient in material retrieval and inventory counting; Second, the lack of standardized four-level warehouse location division leads to the haphazard stacking of materials, the lack of classified management of spare parts and off-book materials, and the absence of safety stock and shelf-life management, resulting in frequent problems of material backlog, expiration, and loss. Third, the warehousing system is isolated from SAP, OA, and SRM systems, forming data silos. Procurement, warehousing, requisition, and settlement data require repeated manual entry, and there is no online traceability channel for cross-warehouse transfers within the group, resulting in poor data consistency. Fourth, there is a lack of digital tracking capabilities for the entire lifecycle of materials. Records for spare parts warehousing, requisition, maintenance, and scrapping are incomplete, and there are no dedicated management ledgers for off-book materials. Fifth, there is a lack of automated statistics, intelligent early warning, and visual analysis capabilities. Risks of inventory shortages, backlogs, and expiration cannot be predicted in advance, and material scheduling and procurement planning rely entirely on manual experience, resulting in insufficient scientific decision-making. Summary of the Invention

[0004] To address the problems mentioned in the background section, this invention provides an intelligent warehouse management system integrating WMS-SAP for the chemical industry. This system features paperless mobile operations, standardized warehouse location control, real-time interoperability among multiple business systems, full lifecycle traceability of materials, and intelligent early warning and visual analysis.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a WMS-SAP integrated intelligent warehouse management system for the chemical industry, comprising a basic configuration module, an operation execution module, an inventory control module, a system integration module, and a decision analysis module; the basic configuration module is bidirectionally connected to the operation execution module and the inventory control module, respectively, and is used to complete the initial configuration of system basic parameters, warehouse location, material information, and operation permissions; Both the operation execution module and the inventory control module have bidirectional data interaction with the system integration module, which is used to synchronize on-site warehousing operation data and inventory control data to the outside world in real time. The system integration module is connected to the decision analysis module to collect full-link business data and upload it to the analysis terminal. The entire system relies on RFID identification technology and RF mobile operation technology to realize the full-process digital management and control of materials in chemical enterprises.

[0006] Furthermore, the basic configuration module includes a four-level storage location planning unit, a material file configuration unit, a rule parameter setting unit, and an access control unit. The four-level storage location planning unit is used to divide the storage area according to four levels: storage area, storage location, shelf, and compartment, and to deploy RFID identification tags and QR code tags in each area to achieve standardized positioning of the physical location of materials. The material file configuration unit is used to input and store basic file information such as the category, specifications, and batch attributes of raw materials, spare parts, finished products, and off-book materials of chemical enterprises. The rule parameter setting unit is used to uniformly configure control parameters such as material batch management rules, safety stock thresholds, and shelf-life warning thresholds. The access control unit is used to divide operation permissions according to job positions and to independently set hierarchical control permissions for on-book materials and off-book materials.

[0007] Furthermore, the operation execution module includes an RF mobile terminal, an RFID scanning device, an inbound / outbound operation unit, a transfer and allocation unit, and an intelligent inventory unit. The RF mobile terminal is wirelessly connected to the RFID scanning device, serving as a mobile operation carrier on-site. The inbound / outbound operation unit, the transfer and allocation unit, and the intelligent inventory unit are all mounted within the RF mobile terminal, working in conjunction with the RFID scanning device to complete the entire paperless operation process on the warehousing site, covering material inbound, outbound, inter-regional transfer, group-wide flat warehouse transfer, and full-area inventory counting.

[0008] Furthermore, the inbound / outbound operation unit incorporates an automatic storage location allocation subunit and a multi-dimensional information verification subunit. The automatic storage location allocation subunit is used during the material arrival and warehousing stage, automatically matching the optimal storage compartment based on the material category, attributes, and storage requirements. The multi-dimensional information verification subunit is used during the material picking and outbound stage, scanning and verifying the material batch, specifications, quantity, and storage location information to effectively avoid misdelivery, omissions, and cross-selling issues.

[0009] Furthermore, the transfer and allocation unit includes an online transfer initiation subunit and a transfer tracking subunit; the online transfer initiation subunit is used to submit inter-warehouse material transfer applications within the group online, replacing traditional paper transfer documents; the transfer tracking subunit is used to record the transfer nodes and status of transferred materials in real time, realizing full traceability of inter-warehouse material scheduling.

[0010] Furthermore, the intelligent inventory unit includes a cloud data retrieval subunit, an on-site barcode verification subunit, and a report generation subunit for accounting discrepancies. The cloud data retrieval subunit is used to retrieve theoretical inventory data from the system's backend in real time. The on-site barcode verification subunit is used to scan and compare the physical items with the system data item by item on-site. The report generation subunit is used to automatically calculate the discrepancy data and generate a standardized inventory report after the inventory is completed.

[0011] Furthermore, the inventory management module includes a material lifecycle management unit, an expiration date and inventory intelligent early warning unit, and an off-book material special management unit. The material lifecycle management unit is used to track and record the entire process information of materials from procurement and warehousing, issuance and warehousing, equipment maintenance to disposal, and retain batch numbers, circulation records, and maintenance data. The expiration date and inventory intelligent early warning unit is used to monitor the shelf life and real-time inventory quantity of materials in real time, and trigger an early warning when materials are nearing their expiration date or the inventory is below the safety threshold. The off-book material special management unit is used to establish an independent electronic ledger for off-book materials, realize barcode scanning management and regular online verification, and prevent material loss.

[0012] Furthermore, the system integration module includes a general data interface unit, an SAP system interface unit, an OA system interface unit, and an SRM system interface unit. The general data interface unit interfaces with the SAP system interface unit, the OA system interface unit, and the SRM system interface unit respectively, to achieve bidirectional real-time data synchronization between the WMS warehouse management system and the enterprise's existing three core business systems: SAP, OA, and SRM, thus connecting the entire business chain of procurement, warehousing, approval, and supply chain.

[0013] Furthermore, the general data interface unit includes a built-in inbound voucher generation subunit, an outbound inventory deduction subunit, and an order data synchronization subunit. The inbound voucher generation subunit automatically pushes data to the SAP system and generates a standard inbound financial voucher after the materials have completed the inbound operation. The outbound inventory deduction subunit synchronously deducts the corresponding inventory data in the SAP system after the materials are issued and released, ensuring data consistency between the two systems. The order data synchronization subunit synchronizes purchase orders from the SRM system and approval documents from the OA system to the WMS system, forming a business closed loop.

[0014] Furthermore, the decision analysis module includes an automatic report generation unit, a multi-dimensional data analysis unit, a comprehensive early warning push unit, and a visual monitoring unit. The automatic report generation unit is used to automatically generate inventory ledgers, inbound and outbound statistical reports, and a list of stockpiled materials on a regular basis. The multi-dimensional data analysis unit is used to statistically analyze core indicators such as inventory turnover rate, material shortage rate, and material expiration rate. The comprehensive early warning push unit is used to summarize risk information such as low inventory, near-expiration date, and material stockpiling and push it to management personnel. The visual monitoring unit intuitively displays inventory status, work progress, and personnel workload through a system dashboard, realizing transparent management and control of warehouse operation status and providing data decision support for procurement planning, material scheduling, and cost optimization.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. This invention, by setting up a job execution module in conjunction with an RF mobile terminal and RFID scanning equipment, replaces the traditional manual registration of paper documents with paperless mobile operations, improving the efficiency of inbound and outbound inventory operations by more than 60%, eliminating the defects of manual omissions, errors, and data lag, and solving the problems of low efficiency and high dependence on manual labor in existing warehousing operations.

[0016] 2. This invention improves upon the shortcomings of existing technologies in warehouse management, such as chaotic warehouse locations, stockpiled and expired materials, loss of off-book materials, and discrepancies between records and actual inventory, by setting up a four-level warehouse location planning unit in the basic configuration module, an intelligent early warning unit for expiration dates and safety stock in the inventory management module, and a special management unit for off-book materials.

[0017] 3. This invention establishes a two-way data channel between WMS and SAP, OA, and SRM systems by setting up a system integration module, automatically synchronizing procurement, warehousing, financial, and approval data. This eliminates the need for repetitive manual data entry, enabling online initiation and full traceability of cross-warehouse transfers within the group. It overcomes the shortcomings of existing technologies, such as fragmented systems, data silos, and difficulties in cross-warehouse scheduling and traceability, ensuring unified and consistent data across all business operations.

[0018] 4. This invention, through the material lifecycle management unit and decision analysis module of inventory management module 3, completely retains data on the entire process of material procurement, requisition, maintenance, and disposal, automatically outputs multi-dimensional warehouse operation reports, pushes early warnings of inventory risks, and realizes digital decision-making with the help of a visual dashboard. It solves the pain points of existing technologies such as material traceability gaps, reliance on manual experience in warehouse management, and inability to predict risks in advance, reduces production losses caused by material expiration and shortages, optimizes inventory capital occupation, and helps chemical enterprises reduce costs, increase efficiency, and achieve compliant management in warehousing. Attached Figure Description

[0019] Figure 1 This is a system block diagram of the present invention; Figure 2 This is a block diagram illustrating the principle of modular unit splitting in this invention; Figure 3 This is a block diagram illustrating the data interaction principle of the present invention. In the diagram: 1. Basic Configuration Module; 101. Four-Level Warehouse Location Planning Unit; 102. Material File Configuration Unit; 103. Rule Parameter Setting Unit; 104. Permission Allocation Unit; 2. Operation Execution Module; 201. RF Mobile Terminal; 202. RFID Scanning Device; 203. Inbound / Outbound Operation Unit; 2031. Automatic Warehouse Location Allocation Subunit; 2032. Multi-Dimensional Information Verification Subunit; 204. Warehouse Transfer Unit; 2041. Online Transfer Initiation Subunit; 2042. Transfer Process Tracking Subunit; 205. Intelligent Inventory Unit; 2051. Cloud Data Retrieval Subunit; 2052. On-Site Scanning Verification Subunit; 2053. Account-Physical Discrepancy Report 3. Inventory Management Module; 301. Material Lifecycle Management Unit; 302. Expiry Date and Inventory Intelligent Early Warning Unit; 303. Off-book Material Special Management Unit; 4. System Integration Module; 401. General Data Interface Unit; 4011. Inbound Voucher Generation Subunit; 4012. Outbound Inventory Deduction Subunit; 4013. Order Data Synchronization Subunit; 402. SAP System Integration Unit; 403. OA System Integration Unit; 404. SRM System Integration Unit; 5. Decision Analysis Module; 501. Automatic Report Generation Unit; 502. Multi-dimensional Data Analysis Unit; 503. Comprehensive Early Warning Push Unit; 504. Visual Monitoring Unit. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] Please see Figure 1-3 The present invention provides the following technical solution: a WMS-SAP integrated intelligent warehouse management system for the chemical industry, including a basic configuration module 1, an operation execution module 2, an inventory control module 3, a system integration module 4, and a decision analysis module 5; the basic configuration module 1 is bidirectionally connected to the operation execution module 2 and the inventory control module 3, respectively, and is used to complete the initial configuration of system basic parameters, warehouse location, material information and operation permissions, adapting to the standardized management and control needs of Xinjiang Meike Chemical for multiple categories of warehouse storage, including raw materials, spare parts, finished products and off-book materials; Both the operation execution module 2 and the inventory control module 3 have bidirectional data interaction with the system integration module 4, which is used to synchronize on-site warehousing operation data and inventory control data with the outside world in real time, eliminating the pain points of repeated manual data entry and data inconsistency in multiple systems for enterprises; The system integration module 4 is connected to the decision analysis module 5 to collect full-link business data and upload it to the analysis terminal. The whole system relies on RFID identification technology and RF mobile operation technology to realize the full-process digital management and control of chemical enterprise materials, replacing the traditional paper document manual registration mode and improving the efficiency of warehousing operations by more than 60%.

[0022] See Figure 1-3 The basic configuration module 1 includes a four-level storage location planning unit 101, a material file configuration unit 102, a rule parameter setting unit 103, and an access control unit 104. The four-level storage location planning unit 101 is used to divide the storage area according to the four-level standard of storage area, storage location, shelf, and compartment, and to deploy RFID identification tags and QR code tags in each location to achieve standardized positioning of material physical location, solving the problems of random stacking of materials, difficulty in finding materials, and low inventory turnover in chemical enterprises. The material file configuration unit 102 is used to input and store basic file information such as category, specification, and batch attributes of raw materials, spare parts, finished products, and off-book materials in chemical enterprises, realizing classified filing and zoned management of different types of materials. The rule parameter setting unit 103 is used to uniformly configure control parameters such as material batch management rules, safety stock threshold, and shelf life warning threshold, adapting to the industry characteristics of strict shelf life control and easy shortage and expiration of chemical materials. The access control unit 104 is used to divide operation permissions according to job positions and independently set hierarchical control permissions for on-book materials and off-book materials, avoiding the risk of off-book materials being unsupervised and lost or wasted.

[0023] See Figure 1-3 The operation execution module 2 includes an RF mobile terminal 201, an RFID scanning device 202, an inbound / outbound operation unit 203, a transfer and allocation unit 204, and an intelligent inventory unit 205. The RF mobile terminal 201 is wirelessly connected to the RFID scanning device 202, serving as a mobile operation carrier on-site, freeing it from the limitations of fixed computer operation and enabling offline mobile office work across the entire warehousing scenario. The inbound / outbound operation unit 203, the transfer and allocation unit 204, and the intelligent inventory unit 205 are all mounted within the RF mobile terminal 201, working in conjunction with the RFID scanning device 202 to complete the entire paperless operation process on-site, covering material inbound, outbound, inter-regional transfer, group-wide flat warehouse allocation, and full-domain inventory counting, completely eliminating the cumbersome process of handwritten documents and subsequent system entry.

[0024] See Figure 1-3The inbound / outbound operation unit 203 has an integrated automatic storage location allocation subunit 2031 and a multi-dimensional information verification subunit 2032. The automatic storage location allocation subunit 2031 is used during the material arrival and warehousing stage. It automatically matches the optimal storage compartment based on the material category, attributes, and storage requirements, optimizing the utilization rate of storage space and reducing the occupancy of ineffective storage spaces. The multi-dimensional information verification subunit 2032 is used during the material picking and outbound stage. It scans and verifies the batch, specifications, quantity, and storage location information of the materials, effectively avoiding the problems of mis-delivery, omission, and cross-delivery, and ensuring the accurate supply of chemical production materials.

[0025] See Figure 1-3 The transfer and allocation unit 204 includes an online transfer initiation subunit 2041 and a transfer tracking subunit 2042. The online transfer initiation subunit 2041 is used to submit cross-warehouse material transfer applications within the group online, replacing traditional paper transfer documents and adapting to the high-frequency transfer scenarios of multiple warehouses in the Meike Chemical Group. The transfer tracking subunit 2042 is used to record the transfer nodes and status of transferred materials in real time, realizing full traceability of cross-warehouse material scheduling and solving the shortcomings of the group's flat warehouse transfer without information support and difficulty in traceability.

[0026] See Figure 1-3 The intelligent inventory unit 205 includes a cloud data retrieval subunit 2051, an on-site barcode scanning and verification subunit 2052, and a report generation subunit 2053 for generating discrepancies between inventory records and physical inventory. The cloud data retrieval subunit 2051 is used to retrieve theoretical inventory data from the system backend in real time, eliminating the need for manual printing of ledgers and carrying them to the site. The on-site barcode scanning and verification subunit 2052 is used to scan and compare the physical items with the system data item by item on-site, significantly reducing the time spent on manual inventory counting. The report generation subunit 2053 is used to automatically calculate the discrepancy data and generate a standardized inventory report after the inventory count is completed, solving the problems of large errors and discrepancies between inventory records and physical inventory counts caused by manual calculation in traditional inventory counting.

[0027] See Figure 1-3 The inventory management module 3 includes a materials lifecycle management unit 301, an expiration date and inventory intelligent early warning unit 302, and an off-book materials special management unit 303. The materials lifecycle management unit 301 is used to track and record the entire process information of materials from procurement and warehousing, issuance and warehousing, equipment maintenance to scrapping and disposal, and retain batch numbers, circulation records, and maintenance data, filling the gap in the digital tracking of chemical spare parts throughout the entire process. The expiration date and inventory intelligent early warning unit 302 is used to monitor the shelf life of materials and the real-time inventory quantity, and triggers an early warning when materials are nearing their expiration date or the inventory is below the safety threshold, so as to avoid economic losses caused by material expiration and material shortages. The off-book materials special management unit 303 is used to establish an independent electronic ledger for off-book materials, realize barcode management and regular online verification, prevent material loss, and meet the enterprise's compliance management requirements.

[0028] See Figure 1-3 System integration module 4 includes a general data interface unit 401, an SAP system interface unit 402, an OA system interface unit 403, and an SRM system interface unit 404. The general data interface unit 401 interfaces with the SAP system interface unit 402, the OA system interface unit 403, and the SRM system interface unit 404 respectively, realizing bidirectional real-time data synchronization between the WMS warehouse management system and the enterprise's existing three core business systems: SAP, OA, and SRM. This connects the entire business chain of procurement, warehousing, approval, and supply chain, breaking down data silos among the enterprise's various systems.

[0029] See Figure 1-3 The general data interface unit 401 includes a built-in inbound voucher generation subunit 4011, an outbound inventory deduction subunit 4012, and an order data synchronization subunit 4013. The inbound voucher generation subunit 4011 automatically pushes data to the SAP system and generates standard inbound financial vouchers after the materials have completed the inbound operation, reducing the workload of manual document preparation in finance. The outbound inventory deduction subunit 4012 deducts the corresponding inventory data in the SAP system after the materials are issued and sent out, ensuring data consistency between the two sides and achieving permanent synchronization between accounts and physical inventory. The order data synchronization subunit 4013 synchronizes purchase orders from the SRM system and approval documents from the OA system to the WMS system, forming a business closed loop and unifying the data sources for the entire business chain.

[0030] See Figure 1-3 The decision analysis module 5 includes an automatic report generation unit 501, a multi-dimensional data analysis unit 502, a comprehensive early warning push unit 503, and a visual monitoring unit 504. The automatic report generation unit 501 is used to automatically generate inventory ledgers, inbound and outbound statistical reports, and backlogged material lists on a regular basis, replacing manual Excel spreadsheet creation. The multi-dimensional data analysis unit 502 is used to statistically analyze core indicators such as inventory turnover rate, material shortage rate, and material expiration rate to quantify the warehouse operation status. The comprehensive early warning push unit 503 is used to summarize risk information such as low inventory, near-expiration date, and material backlog and push it to management personnel to achieve proactive risk prevention and control. The visual monitoring unit 504 intuitively displays inventory status, work progress, and personnel workload through a system dashboard, realizing transparent management and control of warehouse operation status, providing data decision support for procurement planning, material scheduling, and cost optimization, and abandoning the traditional model of relying on manual experience to judge warehouse operations.

[0031] The working principle and usage process of this invention are as follows: In use, the basic configuration module 1 first initializes and sets up four-level storage locations, material files, control parameters, and job permissions. On-site operators use RF mobile terminals 201 paired with RFID scanning devices 202 to complete the entire paperless process of inbound / outbound, allocation, and inventory counting. Operational data is synchronized in real-time to the inventory management module 3 to achieve full-cycle monitoring of batches, expiration dates, and off-book materials. The system integration module 4 synchronizes warehousing data bidirectionally to SAP, OA, and SRM systems, enabling data exchange between procurement, warehousing, and finance. All business data across the entire chain is uniformly aggregated to the decision analysis module 5, automatically generating reports, multi-dimensional analysis indicators, and pushing inventory risk warnings. Management personnel can use visual dashboards to monitor warehousing dynamics in real time and conduct material scheduling and procurement planning as needed. The entire system is suitable for the multi-category, strict batch, and high-frequency allocation warehousing management scenarios of chemical enterprises, reducing labor costs, improving inventory turnover efficiency, reducing material capital occupation, and achieving a digital and refined upgrade of warehousing.

[0032] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A WMS-SAP integrated intelligent warehouse management system for the chemical industry, characterized in that: It includes a basic configuration module (1), an operation execution module (2), an inventory control module (3), a system integration module (4), and a decision analysis module (5); the basic configuration module (1) is bidirectionally connected to the operation execution module (2) and the inventory control module (3) to complete the initial configuration of system basic parameters, warehouse location, material information and operation permissions; The operation execution module (2) and the inventory control module (3) are both bidirectionally data-interactive with the system integration module (4) to synchronize on-site warehousing operation data and inventory control data to the outside world in real time; The system integration module (4) is connected to the decision analysis module (5) to collect full-link business data and upload it to the analysis terminal. The whole system relies on RFID identification technology and RF mobile operation technology to realize the full-process digital management and control of chemical enterprise materials.

2. The intelligent warehouse management system integrating WMS-SAP for the chemical industry according to claim 1, characterized in that: The basic configuration module (1) includes a four-level warehouse location planning unit (101), a material file configuration unit (102), a rule parameter setting unit (103), and an access control unit (104). The four-level warehouse location planning unit (101) is used to divide the storage area according to the four-level standards of warehouse area, warehouse location, shelf, and compartment, and to deploy RFID identification tags and QR code tags in each location to realize standardized positioning of material physical location. The material file configuration unit (102) is used to input and store basic file information such as the category, specifications, and batch attributes of raw materials, spare parts, finished products, and off-book materials of chemical enterprises. The rule parameter setting unit (103) is used to uniformly configure control parameters such as material batch management rules, safety stock threshold, and shelf life warning threshold. The access control unit (104) is used to divide operation permissions according to job positions and independently set hierarchical control permissions for on-book materials and off-book materials.

3. The intelligent warehouse management system integrating WMS-SAP for the chemical industry according to claim 1, characterized in that: The operation execution module (2) includes an RF mobile terminal (201), an RFID scanning device (202), an inbound / outbound operation unit (203), a transfer and allocation unit (204), and an intelligent inventory unit (205). The RF mobile terminal (201) is wirelessly connected to the RFID scanning device (202) and serves as a mobile operation carrier on site. The inbound / outbound operation unit (203), the transfer and allocation unit (204), and the intelligent inventory unit (205) are all mounted in the RF mobile terminal (201) and work with the RFID scanning device (202) to complete the entire process of paperless operation on the warehouse site, covering material inbound, outbound, cross-regional transfer, group flat warehouse allocation, and full-area inventory counting business.

4. The intelligent warehouse management system integrating WMS-SAP for the chemical industry according to claim 3, characterized in that: The inbound / outbound operation unit (203) has a built-in automatic storage location allocation subunit (2031) and a multi-dimensional information verification subunit (2032). The automatic storage location allocation subunit (2031) is used in the material arrival and warehousing stage, and automatically matches the optimal storage compartment based on the material category, attributes, and storage requirements. The multi-dimensional information verification subunit (2032) is used in the material picking and outbound stage, and performs barcode verification on the material batch, specifications, quantity, and storage location information to effectively avoid misdelivery, omission, and cross-selling issues.

5. The intelligent warehouse management system integrating WMS-SAP for the chemical industry according to claim 3, characterized in that: The transfer and allocation unit (204) includes an online transfer initiation subunit (2041) and a transfer tracking subunit (2042). The online transfer initiation subunit (2041) is used to submit inter-warehouse material transfer applications within the group online, replacing traditional paper transfer documents. The transfer tracking subunit (2042) is used to record the transfer nodes and status of transferred materials in real time, so as to realize full traceability of inter-warehouse material scheduling.

6. The intelligent warehouse management system integrating WMS-SAP for the chemical industry according to claim 3, characterized in that: The intelligent inventory unit (205) includes a cloud data retrieval subunit (2051), an on-site barcode scanning and verification subunit (2052), and a record-to-physical inventory difference report generation subunit (2053). The cloud data retrieval subunit (2051) is used to retrieve theoretical inventory data from the system background in real time. The on-site barcode scanning and verification subunit (2052) is used to scan and compare the physical items with the system data item by item on-site. The record-to-physical inventory difference report generation subunit (2053) is used to automatically calculate the difference data and generate a standardized inventory report after the inventory is completed.

7. The intelligent warehouse management system integrating WMS-SAP for the chemical industry according to claim 1, characterized in that: The inventory control module (3) includes a material life cycle control unit (301), an expiration date and inventory intelligent early warning unit (302), and an off-book material special control unit (303); the material life cycle control unit (301) is used to track and record the entire process information of materials from procurement and warehousing, issuance and warehousing, equipment maintenance to scrapping and disposal, and retain batch numbers, circulation records and maintenance data; The expiration date and inventory intelligent early warning unit (302) is used to monitor the shelf life and inventory quantity of materials in real time, and trigger an early warning when the materials are nearing their expiration date or the inventory is below the safety threshold; the off-book materials special management and control unit (303) is used to establish an independent electronic ledger for off-book materials, realize code scanning management and regular online verification, and prevent material loss.

8. The intelligent warehouse management system integrating WMS-SAP for the chemical industry according to claim 1, characterized in that: The system integration module (4) includes a general data interface unit (401), an SAP system docking unit (402), an OA system docking unit (403), and an SRM system docking unit (404). The general data interface unit (401) docks with the SAP system docking unit (402), the OA system docking unit (403), and the SRM system docking unit (404) respectively, so as to realize the two-way real-time synchronization of data between the WMS warehouse management system and the enterprise's existing three core business systems, SAP, OA, and SRM, and to connect the entire business chain of procurement, warehousing, approval, and supply chain.

9. The intelligent warehouse management system integrating WMS-SAP for the chemical industry according to claim 8, characterized in that: The general data interface unit (401) includes a warehouse receipt voucher generation subunit (4011), an outbound inventory deduction subunit (4012), and an order data synchronization subunit (4013). The warehouse receipt voucher generation subunit (4011) is used to automatically push data to the SAP system and generate a standard warehouse receipt financial voucher after the materials have completed the warehouse receipt operation. The outbound inventory deduction subunit (4012) is used to synchronously deduct the corresponding inventory data in the SAP system after the materials are issued and issued, so as to ensure that the data on both sides are consistent. The order data synchronization subunit (4013) is used to synchronize purchase orders from the SRM system and approval documents from the OA system to the WMS system, forming a business closed loop.

10. The intelligent warehouse management system integrating WMS-SAP for the chemical industry according to claim 1, characterized in that: The decision analysis module (5) includes an automatic report generation unit (501), a multi-dimensional data analysis unit (502), a comprehensive early warning push unit (503), and a visualization monitoring unit (504). The automatic report generation unit (501) is used to automatically generate inventory ledgers, inbound and outbound statistical reports, and backlogged material lists on a regular basis. The multi-dimensional data analysis unit (502) is used to statistically analyze core indicators such as inventory turnover rate, material shortage rate, and material expiration rate. The comprehensive early warning push unit (503) is used to summarize risk information such as low inventory, near-expiration date, and material backlog and push it to management personnel. The visualization monitoring unit (504) intuitively displays inventory status, work progress, and personnel workload through the system dashboard, realizing transparent management and control of warehouse operation status, and providing data decision support for procurement planning, material scheduling, and cost optimization.

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