Oil metering management system

Abstract

An oil product metering management system belongs to the technical field of oil product management and comprises a basic information management module, an oil product quantity calculation module, a quantitative packaging product metering inspection module, a large container verification module and a metering instrument verification and management information module. According to the oil product metering management system, metering data can be handed over and checked for different oil products, back scale data, standard secret query data, VCF / K / F value query data and the like can be calculated and uploaded, tank body data can be automatically detected and uploaded, data interaction between the system and a user side is achieved, and the oil product metering management system is convenient to use. Operation such as quantitative packaging, metering and inspection full-process management, metering instrument receiving, sending and storing full-process management and project plan making management can be achieved, and a data sharing interface, an MES system data interface, a trade metering system data interface and a universal external shared data WCF service interface are configured among the modules. Therefore, the data sharing interaction effect can be realized, and the data management efficiency is further improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of oil product management, and particularly relates to an oil product metering management system. Background Art

[0002] Oil product management mainly involves related operations such as oil product storage, turnover, metering, etc. By using systematic, standardized, and informatized technical means to manage oil product operations, it can effectively avoid data errors and mistakes caused by manual calculation and query, improve management efficiency, reduce unnecessary economic losses, and greatly promote the construction of enterprise information integration and management requirements.

[0003] After retrieval, a patent for an invention with the Chinese patent publication number CN111811579A discloses an oil depot information management system. In this invention patent, the oil depot information management system fully considers the influence of various relevant parameters of the oil tank on the oil quantity calculation, real-time collects and obtains various relevant parameter information of the oil tank, and realizes the calculation of the real-time oil quantity of the oil tank by introducing the relationship formula between the static parameters of the oil tank, the real-time liquid level detection value of the oil tank, the real-time temperature detection value of the oil tank, and the oil quantity of the oil tank, improving the calculation efficiency, enabling the staff to obtain accurate oil tank-related data, being conducive to studying the reasons for the change of the oil tank differential, and judging whether there are faults such as oil mixing, oil leakage, or leakage in the oil tank;

[0004] However, this oil depot information management system only measures the oil quantity in the tank. During the oil quantity management process, it is impossible to obtain multiple data of different oil products based on real-time calculation, and it is impossible to separately set up unified management modules for multiple types of oil products, tanks, and measuring instruments, and it cannot realize the full-process management of oil product storage metering, verification and calibration, and instrument receipt and dispatch. Therefore, an oil product metering management system is proposed. Summary of the Invention

[0005] To achieve the above-mentioned purpose of full-process management by combining data of different categories of oil products, tanks, and measuring instruments, the present invention provides the following technical solution: An oil product metering management system includes a basic information management module for realizing user information management, operation authority supervision and allocation, page menu, and log management operations;

[0006] An oil product quantity calculation module for realizing operations such as oil product data handover metering, inventory metering, back gauge calculation, and related data query and browsing;

[0007] A quantitative packaging product metering inspection module for realizing operation of plan formulation and sampling inspection data management;

[0008] A large container verification module for realizing operations such as oil tank verification and certificate service functions;

[0009] The measuring instrument verification and management information module is used to implement the management operation of measuring instrument data information.

[0010] Preferably, the basic information management module includes a user management unit. User information and position information are stored in the user management unit. The user information includes personal information, an account ID matching the personal information, and an account password matching the account ID. The basic information management module includes a menu management unit. The menu management unit is provided with a login interface, and the login interface is provided with a login window for inputting the account ID and password. An access request is sent to the user management unit according to the login window. The account ID and account password are verified according to the user information in the user management unit to complete the identification of the user's identity. The menu management also includes a menu operation interface, and path links are stored in the menu operation interface for entering the system module operation.

[0011] The basic information management module includes a permission allocation unit. The permission allocation unit adopts the interface permission control method, and its specific operation is as follows:

[0012] 1) Set axios, add a request interceptor, and add an Authorization field to the Header information of each request. This field is the Token label.

[0013] 2) When the user logs in, the system server returns the Token label to the user management unit, so that the user management unit carries the Token label each time it calls the interface. After being obtained by the system server, it is compared. If it passes, the access is authorized.

[0014] Preferably, the menu management also includes a menu operation interface. The permission allocation unit provides page access control and data operation control. The steps of the page access control include: 1) Generate and obtain a permission list; 2) Generate a menu list corresponding to the permission scope according to the permission list; 3) Generate an access link according to the menu list to enter the corresponding page for access. The steps of the data operation control include: 1) Add the returned data to the custom fields of the corresponding page in the routing table according to the permission list; 2) Judge whether the elements on the page need to be displayed according to the corresponding custom fields.

[0015] The basic information management module includes an operation log management unit. The operation log management unit stores historical login logs, abnormal login logs, and data operation logs. The historical login column logs store historical login time, login ID, and login IP location information. According to whether the user logs in successfully, it is judged as a normal login and an abnormal login, and the corresponding login information is respectively recorded in the historical login log and the abnormal login log. The data operation log stores data addition, deletion, modification, and query operation records.

[0016] Preferably, the oil quantity calculation module includes a handover metering unit and an inventory metering unit. An oil product data handover page and an oil product data inventory page are respectively set in the handover metering unit and the inventory metering unit. The oil product data handover page and the oil product data inventory page are both designed with data sections for oil tank number, standard density corresponding to the front gauge and the rear gauge, liquid temperature, ambient temperature, liquid level height, clear water height, and water content rate;

[0017] The oil quantity calculation module includes a rear gauge calculation unit. A rear gauge calculation page is set in the rear gauge calculation unit. The rear gauge calculation page is designed with data sections for oil tank number, standard density corresponding to the rear gauge, liquid temperature, liquid level height, and handover quantity;

[0018] The oil quantity calculation module includes a VCF / K / F standard density query unit. A standard density query page is designed in the VCF / K / F standard density query unit. The standard density query page is designed with data sections for apparent density and apparent density temperature;

[0019] The oil quantity calculation module includes a certificate management unit. A certificate browsing page is designed in the certificate management unit. The certificate browsing page is designed with information sections for the inspection application unit, equipment number, and certificate number;

[0020] Preferably, the quantitative packaging product metrology inspection module includes an inspection plan formulation unit. A plan formulation page is designed in the inspection plan formulation unit. Sampling inspection plan generation and plan review operations are performed according to the plan formulation page for realizing sampling inspection data entry operations;

[0021] The quantitative packaging product metrology inspection module includes an inspection data management unit. A result record page, a review management page, and a certificate issuance management page are designed in the inspection data management unit. Operations of adding, modifying, deleting, and importing inspection data and instrument inspection records are respectively performed according to the result record page. Inspection review operations are performed according to the review management page. A qualified certificate for quantitative packaging metrology inspection is generated according to the certificate issuance management page;

[0022] The quantitative packaging product metrology inspection module includes a quantitative packaging standard management unit. A standard management page is designed in the quantitative packaging standard management unit. Standard query and update operations are performed according to the standard management page.

[0023] Preferably, the large container verification module includes a tank verification unit. A main verification data page is designed in the tank verification unit. The main verification data page includes:

[0024] 1) Vertical tank verification: Design a sub-page for vertical tank data, on which there are sections for basic data, shell plate data, accessory data, bottom volume data, verification certificate generation, review management, and recycle bin management. Import the tank body data according to total station and 3D laser scanner in the shell plate data section and bottom volume data section for full-process management of vertical tank data verification;

[0025] 2) Horizontal tank verification: Design a sub-page for horizontal tank data, on which there are sections for basic data, accessory data, verification certificate generation, review management, and recycle bin management for full-process management of horizontal tank data verification;

[0026] 3) Spherical tank verification: Design a sub-page for spherical tank data, on which there are sections for basic data, verification certificate generation, review management, and recycle bin management. Import the tank body data according to total station in the basic data section for full-process management of spherical tank data verification;

[0027] The large container verification module also includes a verification certificate management unit, on which there are sections for basic data management, certificate data import and approval, and basic data recycle bin for external commission verification data and certificate import operations.

[0028] Preferably, the measuring instrument verification and management information module includes a ledger verification unit, which is divided into standard device ledger verification, standard instrument ledger verification, and working instrument ledger verification. In the ledger verification unit, there are sections for addition, deletion, single or batch modification, ledger data and certificate import / export, and adding sub-items for advanced query operations of ledger data based on multiple conditions;

[0029] The measuring instrument verification and management information module includes a quantity transfer plan management unit, on which there are sections for annual inspection and weekly inspection plan formulation, ledger sampling inspection rule formulation, temporary plan formulation, and historical plan query. The operation methods for plan formulation include addition, deletion, modification, data import, and ledger selection;

[0030] The measuring instrument verification and management information module includes an instrument quantity transfer receiving and dispatching management unit, on which there are sections for workshop inspection submission list formulation, inspection submission registration and verification record, and instrument retrieval record. Export the QR code data corresponding to each inspected instrument according to the measuring instrument inspection submission list. Complete the receiving and dispatching information verification operation according to the scanned QR code data, and automatically generate receiving and dispatching information records in the system.

[0031] Preferably, the measuring instrument verification and management information module includes a verification-related data management unit, which is divided into a verification process management, a verification record management, a verification technology management, and a verification cost management, specifically as follows:

[0032] 1) According to the verification process management, complete the operation submission and management approval of the sealing, disabling, downgrading, and enabling of working instruments, as well as the approval operations of temporary plans, spot check plans, weekly inspection plans, and annual plans:

[0033] 2) According to the verification record management, design the basic data of in-house verification, verification standards, verification results and data review, and certificate approval sections, complete the in-house verification management of working instruments, and gradually review and check the verification data to form verification records and issue verification certificates;

[0034] 3) According to the verification technology management, design the uncertainty evaluation, value traceability, verification and calibration item inspection, and measurement confirmation verification sections of standard instruments and working instruments, complete the inspection of verification and calibration items and their corresponding value traceability diagrams, and import the uncertainty evaluation data;

[0035] 4) According to the verification cost management, design the verification fee records, fee standards, and cost accounting sections for in-house and external inspections respectively, as well as the statistical charts of the weekly inspection rate and spot check rate of measuring instruments, complete the manual entry / import of in-house and external inspection cost information, and the cost accounting operations of in-house and external inspections of each unit. The measuring instrument verification and management information module also includes other data management units. In the other data management units, there are designed sections for mandatory inspection and self-inspection types, measurement categories, verification methods, verification departments, management status, audit logs, measurement ranges, certificate template management, accuracy entry, and ledger certificate query, which are used to implement the system background data configuration management operation. The beneficial effects of the present invention are as follows: 1. The oil product measurement management system, by designing the oil product quantity calculation module, can calculate and upload the handover and inventory measurement data of different oil products, as well as the back scale data, standard density query data, VCF / K / F value query data, etc. At the same time, using the large container verification module can automatically detect and upload the tank data, realizing the data interaction between the system and the user side, and improving the user's data acquisition experience and operation convenience.

[0036] 2. The oil product measurement management system, by designing the quantitative packaging product measurement inspection module and the measuring instrument verification and management information module, can realize the full-process management of quantitative packaging measurement inspection, the full-process management of the receipt, storage, and distribution of measuring instruments, and the operation of project plan formulation management, etc., greatly enriching the system business management means.

[0037] 2. The oil product measurement management system, by designing the quantitative packaging product measurement inspection module and the measuring instrument verification and management information module, can realize the full-process management of quantitative packaging measurement inspection, the full-process management of the receipt, storage, and distribution of measuring instruments, and the operation of project plan formulation management, etc., greatly enriching the system business management means.

[0038] 3. The oil product metering management system is configured with data sharing interfaces, MES system data interfaces, trade metering system data interfaces, and general external shared data WCF service interfaces between various modules, enabling data sharing and interaction in the management system and improving data management efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 is the system structure framework diagram of the present invention;

[0040] Figure 2 is the schematic diagram of the system product structure function module of the present invention;

[0041] Figure 3 is the schematic diagram of the system login interface of the present invention;

[0042] Figure 4 is the schematic diagram of the system menu operation interface of the present invention;

[0043] Figure 5 is the schematic diagram of the inventory check operation page of the present invention;

[0044] Figure 6 is the schematic diagram of the inventory check record management operation page of the present invention;

[0045] Figure 7 is the schematic diagram of the oil product receiving and dispatching operation page of the present invention;

[0046] Figure 8 is the schematic diagram of the receiving and dispatching record management operation page of the present invention;

[0047] Figure 9 is the schematic diagram of the petroleum metering table query operation page of the present invention;

[0048] Figure 10 is the schematic diagram of the API density conversion operation page of the present invention;

[0049] Figure 11 is the schematic diagram of the rear gauge liquid level calculation operation page of the present invention;

[0050] Figure 12 is the schematic diagram of the storage tank information list operation page of the present invention;

[0051] Figure 13 is Figure 12 the left part schematic diagram of the storage tank information list operation page in;

[0052] Figure 14 is Figure 12 the right part schematic diagram of the storage tank information list operation page in;

[0053] Figure 15 is the schematic diagram of the storage tank information import operation page of the present invention;

[0054] Figure 16 Schematic diagram of the system user management operation page of the present invention;

[0055] Figure 17 Schematic diagram of the user habit configuration operation page of the present invention;

[0056] Figure 18 Schematic diagram of the operation log management page of the present invention;

[0057] Figure 19 Schematic diagram of the operation page for modifying the login password of the present invention. Detailed implementation manners

[0058] To make the technical means and achieved purposes adopted by the present invention easy to understand, the present invention, an oil product metering management system, will be further described below in conjunction with the detailed implementation manners. According to Figure 1 As shown in, it includes a basic information management module for implementing user information management, operation authority supervision and allocation, page menu, and log management operations;

[0059] An oil product quantity calculation module for implementing oil product data handover metering, inventory metering, back gauge calculation, and related data query and browsing operations;

[0060] A quantitative packaging product metering inspection module for implementing plan formulation and sampling inspection data management operations;

[0061] A large container verification module for implementing oil tank verification and certificate service function operations;

[0062] A metering instrument verification and management information module for implementing metering instrument data information management operations.

[0063] Embodiment 1

[0064] In this embodiment, specifically, for the design of the basic information management module, user information and position information can be stored in the user management unit, where personal information is private information such as the user's age, and position information includes current employment situation, length of service, scope of responsibilities, and outstanding performance, etc.;

[0065] According to Figure 2 , Figure 3 , Figure 4 , Figure 16 , Figure 17 , Figure 18 And Figure 19As shown in [figure], when a user logs in to the system, the permission allocation unit will allocate corresponding content permissions according to the user's current employment situation and scope of responsibilities, authorize access to the authorized modules according to the relevant content, record the login data in the historical login log or abnormal login log, and record the data viewed or operated by the user in the data operation log.

[0066] Embodiment 2

[0067] In this embodiment, specifically, according to Figure 2 、 Figure 5 、 Figure 6 、 Figure 9 、 Figure 10 and Figure 11 As shown in [figure], for the design of the oil quantity calculation module, the steps of crude oil handover and inventory measurement include: 1) Crude oil handover / inventory measurement; 2) Product oil handover measurement / inventory; 3) Lubricating oil handover measurement / inventory; 4) Liquefied gas handover measurement / inventory; 5) Chemical product handover measurement / inventory;

[0068] The steps for calculating the back gauge are: 1) 1) Crude oil calculation back gauge; 2) Product oil calculation back gauge; 3) Lubricating oil calculation back gauge; 4) Chemical product calculation back gauge;

[0069] The steps for querying VCF / standard density / K / F value are: 1) The VCF value meets the requirements of GB / T1885-1998 and automatically participates in the process calculation; 2) The standard density query meets the requirements of GB / T1885-1998, and the function of converting apparent density to standard density; 3) The f value meets the requirements of Q / SY1811-2015 and automatically participates in the process calculation; 4) The K value meets the requirements of Q / SY DL 0150-2001 and automatically participates in the process calculation;

[0070] By browsing the verification certificate according to the tank number or certificate number, the oil quantity calculation module also has the following functions, including: 1) The calculations of crude oil, product oil, and lubricating oil meet the requirements of SY / T 5669-2019;

[0071] The calculation of chemical products meets the requirements of Q / SY1811-2015;

[0072] The calculation of liquefied gas meets the requirements of Q / SY DL 0150-2001;

[0073] By inputting the tank identification and front and back gauge data (standard density, liquid temperature, liquid height, water height, water content, ambient temperature, etc.), it is possible to automatically calculate the apparent mass, handover mass, and handover water volume;

[0074] By inputting the component percentage, average temperature, and measured pressure, it is possible to calculate the density of liquefied gas gas and liquid;

[0075] Establish a general data interface standard and complete the transformation of the historical data interface.

[0076] Example 3

[0077] In this example, specifically, according to Figure 2 、 Figure 7 and Figure 8 shown in, the design of the metrological inspection module for quantitatively packaged products can achieve the following functions, including:

[0078] (1) Traceability function of measurement values

[0079] According to the national measurement value traceability chain and requirements such as verification regulations or calibration, two internal and external measurement value traceability (verification or calibration) management systems can be established, so as to automatically form a measurement value traceability network system diagram and carry out periodic traceability of the accuracy of measuring instruments;

[0080] (2) Quantity transfer plan and instrument receiving and dispatching management function

[0081] According to the requirements of instrument management, weekly inspection, sampling inspection, temporary plan and subcontracting plan at the company level and territorial level can be automatically generated, and each territory organizes and carries out measurement value traceability business according to the plan;

[0082] And the receiving and dispatching posts check the receiving and dispatching information by scanning the unique identification information such as the instrument number, and then automatically generate the sending and fetching information and record it in the system;

[0083] (3) Function of establishing and querying management of measurement instrument account

[0084] By gradually establishing the measurement instrument management account, the measurement instrument file information can be automatically generated, and the unique QR code information for instrument verification can be automatically generated after the account update approval, including information such as file, verification certificate, and next verification date;

[0085] According to the six states of in plan issuance, in disassembly for inspection, in verification, in retrieval and installation, in account update, and in qualified use, the real-time display has operation effects such as transfer status and verification results;

[0086] Verification or calibration management function

[0087] According to the verification basic data of the verification items of the highest measurement standard, automatic input or import processing is carried out, an uncertainty evaluation and analysis report is automatically generated, and the verification measurement data is gradually audited and checked, so as to form verification records and issue relevant certificates. At the same time, the subcontracting verification records or certificates can be automatically imported into the system for operation;

[0088] (5) Function of metrological verification management process and record query management

[0089] 1) Ability to add reporting and management approval for new equipment, classification, use, downgrade, etc.;

[0090] 2) It can increase the approval process for outsourcing plans;

[0091] 3) Ability to add ledger update verification and confirmation approval process and other approval processes;

[0092] 4) It can realize automatic indexing and query of measurement instrument ledgers, original verification records and measurement certificates or verification result notifications by category;

[0093] (VI) Verification cost accounting and statistical functions

[0094] After manually entering the corresponding internal and external calibration fee information and completing the weekly inspection plan, the internal and external calibration plan fees can be automatically generated, and the actual internal and external calibration fee amounts can be automatically generated after the receiving and sending business is completed. The relevant fee reports can be queried or generated by local units, internal and external commissioned calibrations, and instrument names, which is convenient for statistical accounting;

[0095] It can add an interface for importing the data of outsourced verification costs, automatically import the details of outsourced verification costs, and automatically calculate the weekly inspection rate, random inspection rate, compulsory inspection rate, inspection rate and other data operations of measuring instruments according to time and other items;

[0096] (VII) System security and convenient operation functions

[0097] It can realize one-click export of local metrological instrument ledger and other information, meet the basic functions such as local metrological instrument ledger entry and query during server or network failure and other emergency safety requirements such as network interruption, and can provide convenient optimization of related system operations, improve efficiency and reduce labor costs according to national metrological instrument management regulations and company metrological management requirements;

[0098] (VIII) Other functional operations

[0099] 1) Ability to strengthen the query and management of metrological verification procedures;

[0100] 2) It can strengthen the management of the archives of the highest measurement standards;

[0101] 3) It can strengthen the management of measurement personnel;

[0102] 4) Ability to strengthen the management of metrological verification work dynamics and information release;

[0103] 5) It can strengthen the management of user authorization and other information settings.

[0104] Embodiment 4

[0105] In this embodiment, specifically, according to Figure 2 , Figure 12 ,Figure 13 , Figure 14 , Figure 15 As shown in Figure 15 , the design of the large container verification module can implement the following functional modules:

[0106] (I) Common functions of the capacity processing system

[0107] According to the requirements of relevant national capacity verification regulations, it can process the measurement data of storage tanks (including manually entered and automatically measured by equipment), and form original verification records, storage tank capacity tables in various formats, verification certificates, etc. Then, it analyzes and prompts the changes in relevant parameters and capacity changes in the original records of adjacent periods;

[0108] (II) Seamless interface function of measuring equipment

[0109] Through the system, on-site control modules for equipment such as total station and 3D laser scanner are developed to achieve remote control outside the tank and automatic measurement of data such as the bottom of the tank and radial deviation. At the same time, the system develops seamless connection interfaces and other modules between equipment such as total station and 3D laser scanner and the capacity processing system, automatically processes on-site measurement images and other data, and then fits them into basic capacity data such as the circumference and height of the storage tank ring plate and transmits them to the capacity processing system;

[0110] (III) Seamless interface function of measurement data

[0111] Through the system, an outsourced verification data interface module is developed to achieve seamless import of storage tank measurement basic data and tank capacity table data in different formats provided by different metrological verification technical institutions;

[0112] The system develops a capacity table data transmission interface module to achieve seamless connection of capacity table data to systems such as oil product calculation or MES;

[0113] Then, a seamless connection module with the metrological instrument verification and management system is developed to achieve real-time upload of information data such as capacity tables, verification records, and certificates, as well as operations such as uncertainty analysis and evaluation;

[0114] (IV) System security and convenient operation functions

[0115] By exporting the capacity table with one key, it meets the basic calculation function during server or network failure periods and other emergency safety requirements such as network interruption, and can provide a convenient and optimized operation of the capacity management system according to the operation and metrological management requirements of verification regulations, etc., so as to improve efficiency and reduce labor costs.

[0116] In summary, the oil product metering management system can, by designing the oil product quantity calculation module, conduct handover and inventory metering data calculation for different oil products, as well as calculate and upload the rear scale data, standard density query data, VCF / K / F value query data, etc. At the same time, the large container verification module can automatically detect and upload the tank data, realizing data interaction between the system and the user end, and improving the user's data acquisition experience and operation convenience;

[0117] By designing the quantitative packaging product metering inspection module and the metering instrument verification and management information module, operations such as full-process management of quantitative packaging metering inspection, full-process management of the receipt, storage, and issuance of metering instruments, and project plan formulation management can be realized, greatly enriching the system's business management means;

[0118] By configuring data sharing interfaces, MES system data interfaces, trade metering system data interfaces, and general external shared data WCF service interfaces between various modules, data sharing and interaction can be achieved in the management system, improving data management efficiency.

[0119] The relevant modules involved in this system are all hardware system modules or functional modules that combine computer software programs or protocols in the prior art with hardware. The computer software programs or protocols themselves involved in this functional module are all well-known technologies to those skilled in the art, and they are not the improvements of this system; the improvement of this system is the interaction relationship or connection relationship between various modules, that is, the overall structure of the system is improved to solve the corresponding technical problems to be solved by this system.

[0120] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

[0121] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. An oil metering management system, characterized in that, It includes a basic information management module, which is used to implement user information management, operation permission supervision and allocation, page menu, and log management operations; An oil product quantity calculation module, which is used to implement operations such as oil product data handover measurement, inventory measurement, back scale calculation, and related data query and browsing; A quantitative packaging product metrology inspection module, which is used to implement operation of plan formulation and sampling inspection data management; A large container verification module, which is used to implement operations such as oil tank inspection and certificate service functions; A metrological instrument verification and management information module, which is used to implement operation of managing data information of metrological instruments.

2. The oil product metering management system according to claim 1, characterized in that, The basic information management module includes a user management unit, in which user information and position information are stored. The user information includes personal information, an account ID matching the personal information, and an account password matching the account ID. The basic information management module includes a menu management unit. The menu management unit is provided with a login interface, and the login interface is provided with a login window for inputting the account ID and password. An access request is sent to the user management unit according to the login window. The account ID and account password are verified according to the user information in the user management unit to complete user identity verification and identification. The menu management also includes a menu operation interface, in which path links are stored for entering system module operations; The basic information management module includes a permission allocation unit, and the permission allocation unit adopts an interface permission control method. The specific operation is as follows: 1) Set axios, add a request interceptor, and add an Authorization field to the Header information of each request. This field is a Token label; 2) When the user logs in, the system server returns this Token label to the user management unit, so that the user management unit carries the Token label each time it calls the interface. After the system server obtains it, it is compared. If it passes, the access is authorized.

3. The oil product metering management system according to claim 2, wherein, The menu management also includes a menu operation interface. The permission allocation unit provides page access control and data operation control. The steps of the page access control include: 1) Generate and obtain a permission list; 2) Generate a menu list corresponding to the permission scope according to the permission list; 3) Generate an access link according to the menu list to enter the corresponding page for access. The steps of the data operation control include: 1) Add the returned data to the custom field of the corresponding page in the routing table according to the permission list; 2) Judge whether the elements on the page need to be displayed according to the corresponding custom field; The basic information management module includes an operation log management unit. The operation log management unit stores historical login logs, abnormal login logs, and data operation logs. The historical login column log stores historical login time, login ID, and login IP location information. According to whether the user logs in successfully, it is determined as normal login and abnormal login, and the corresponding login information is respectively recorded in the historical login log and the abnormal login log. The data operation log stores data addition, deletion, modification, and query operation records.

4. A fuel metering management system according to claim 1, characterized in that, The oil quantity calculation module includes a handover metering unit and an inventory metering unit. An oil product data handover page and an oil product data inventory page are respectively set in the handover metering unit and the inventory metering unit. The oil product data handover page and the oil product data inventory page are both designed with data sections for oil tank numbers, standard densities corresponding to the front gauge and the rear gauge, liquid temperature, ambient temperature, liquid level height, clear water height, and water content; The oil quantity calculation module includes a rear gauge calculation unit. A rear gauge calculation page is set in the rear gauge calculation unit. The rear gauge calculation page is designed with data sections for oil tank numbers, standard densities corresponding to the rear gauge, liquid temperature, liquid level height, and handover quantity; The oil quantity calculation module includes a VCF / K / F standard density query unit. A standard density query page is designed in the VCF / K / F standard density query unit. The standard density query page is designed with data sections for apparent density and apparent density temperature; The oil quantity calculation module includes a certificate management unit. A certificate browsing page is designed in the certificate management unit. The certificate browsing page is designed with information sections for inspection application units, equipment numbers, and certificate numbers; 5. A fuel metering management system according to claim 1, characterized in that, The quantitative packaging product metrology inspection module includes an inspection plan formulation unit. A plan formulation page is designed in the inspection plan formulation unit. Sampling inspection plan generation and plan review operations are performed according to the plan formulation page, for implementing sampling inspection data entry operations; The quantitative packaging product metrology inspection module includes an inspection data management unit. A result record page, a review management page, and a certificate issuance management page are designed in the inspection data management unit. Operations such as addition, modification, deletion, and import of inspection data and instrument inspection records are performed according to the result record page. Inspection review operations are performed according to the review management page. A qualified certificate for quantitative packaging metrology inspection is generated according to the certificate issuance management page; The quantitative packaging product metrology inspection module includes a quantitative packaging standard management unit. A standard management page is designed in the quantitative packaging standard management unit. Standard query and update operations are performed according to the standard management page; 6. The oil product metering management system according to claim 1, wherein The large container verification module includes a tank verification unit. A main verification data page is designed in the tank verification unit. The main verification data page includes: 1) Vertical tank verification: A vertical tank data sub-page is designed. Basic data, shell plate data, accessory data, bottom quantity data, verification certificate generation, review management, and recycle bin management sections are designed in the vertical tank data sub-page. Shell plate data and bottom quantity data are imported with total station and 3D laser scanner to manage the whole process of vertical tank data verification; 2) Horizontal tank verification: A horizontal tank data sub-page is designed. Basic data, accessory data, verification certificate generation, review management, and recycle bin management sections are designed in the horizontal tank data sub-page, for managing the whole process of horizontal tank data verification; 3) Spherical tank verification: Design a spherical tank data sub-page, on which there are basic data, verification certificate generation, review management, and recycle bin management sections. Import the tank body data according to the total station in the basic data section for full-process management of the data verification of the spherical tank; The large container verification module also includes a verification certificate management unit, on which there are basic data management section, certificate data import and approval section, and basic data recycle bin for the import operation of subcontracted verification data and certificates.

7. A fuel metering management system according to claim 1, characterized in that The measuring instrument verification and management information module includes a ledger verification unit, which is divided into standard device ledger verification, standard instrument ledger verification, and working instrument ledger verification. On the ledger verification unit, there are addition, deletion, single or batch modification, ledger data and certificate import / export, and addition of sub-items sections for advanced query operations on ledger data based on multiple conditions; The measuring instrument verification and management information module includes a quantity transfer plan management unit, on which there are annual inspection and weekly inspection plan formulation, ledger sampling inspection rule formulation, temporary plan formulation, and historical plan query. The operation methods for plan formulation include addition, deletion, modification, data import, and ledger selection; The measuring instrument verification and management information module includes an instrument quantity transfer receiving and dispatching management unit, on which there are workshop submission list formulation, submission registration and verification records, and instrument retrieval records. Export the QR code data corresponding to each submitted instrument according to the measuring instrument submission list. Complete the verification operation of receiving and dispatching information according to the scanned QR code data, and automatically generate receiving and dispatching information records in the system.

8. An oil product metering management system according to claim 1, characterized in that The measuring instrument verification and management information module includes a verification-related data management unit, which is divided into verification process management, verification record management, verification technology management, and verification cost management. Specifically: 1) Complete the operation submission and management approval for sealing, disabling, downgrading, and enabling working instruments according to the verification process management, as well as the approval operations for temporary plans, sampling inspection plans, weekly inspection plans, and annual plans: 2) According to the verification record management, design the basic data of in-house verification, verification standard instruments, verification results and data review, and certificate approval sections to complete the in-house verification management of working instruments and gradually review and check the verification data to form verification records and issue verification certificates; 3) According to the verification technology management, design the uncertainty evaluation, value traceability, verification and calibration item inspection, and standard instrument and working instrument metrological confirmation verification sections to complete the verification and calibration item inspection and its corresponding value traceability diagram, as well as the import operation of uncertainty evaluation data; 4) According to the verification cost management, design the verification charging records, charging standards and cost accounting sections for in-house and out-house inspections respectively, as well as the statistical charts of the weekly inspection rate and sampling inspection rate of measuring instruments to complete the manual entry / import of in-house and out-house inspection cost information and the cost accounting operations of in-house and out-house inspections for each unit; The verification and management information module of the measuring instrument also includes other data management units, in which there are designed blocks for compulsory verification and self-verification types, measurement categories, verification methods, verification departments, management status, audit logs, measurement ranges, certificate template management, accuracy entry, and ledger certificate query, for implementing the operation of system background data configuration management.

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