An intelligent issuance system for legal certificates

Abstract

The present invention discloses an intelligent issuance system for legal certificates, comprising: an environmental data acquisition unit, a metering equipment data interaction control unit, an application management unit, a protocol conversion matrix, an edge computing management unit, a certificate and label printing unit, and a northbound data management component; an intelligent comprehensive system integrating secure access to metering equipment, real-time acquisition and recording of test data, equipment operation status monitoring, business authorization, environmental perception, edge computing, test project template management and control, signature management, report anti-counterfeiting and publication, realizing unified secure access and management of laboratory equipment, unified modeling and verification of test business data, and ensuring source maintenance and unified export.

Description

Technical Field

[0001] The present invention relates to the field of measurement and testing, and in particular to an intelligent issuing system for legal certificates. Background Art

[0002] In accordance with the requirements of the Metrology Law and various management standards, all equipment submitted for inspection must be tested and issued relevant certificates of conformity. To build a modern metrology digital service ecosystem, an intelligent, comprehensive system is urgently needed that integrates secure access to metrology equipment, real-time data collection and recording, equipment operating status monitoring, service authorization, environmental perception, edge computing, test project template management and control, signature management, and report anti-counterfeiting and publication. This system will enable unified, secure access and control of laboratory equipment, unified modeling and verification of test business data, and ensure source-side maintenance and a unified export. Summary of the Invention

[0003] In response to the above technical problems, the present invention provides a smart certificate issuance system, comprising: an environmental data acquisition unit, a metering equipment data interaction control unit, an application management unit, a protocol conversion matrix, an edge computing management unit, a certificate and label printing unit, and a northbound data management component;

[0004] Environmental data acquisition unit, used to collect the temperature and humidity of the test environment surrounding the measured measuring equipment;

[0005] The data interaction control unit of the measuring equipment is connected to the measured measuring equipment to realize the collection, recording and control of the measuring business message;

[0006] The application management unit is used to manage comprehensive services, including facial recognition, fingerprint recognition, card issuance, authorization, equipment operation status monitoring, service authorization, test project template management and control, signature management, report anti-counterfeiting and publication;

[0007] The protocol conversion matrix is ​​responsible for supporting the physical connections of various interfaces and network ports, as well as the configuration and management of software communication protocols;

[0008] Edge computing management unit, used to upload and download data from the data storage unit, perform remote computing and positioning analysis;

[0009] Certificate and label printing unit, responsible for printing signature certificate report documents and labels;

[0010] Northbound data management component, used to achieve secure and reliable access to legal certificate reporting machines.

[0011] Furthermore, it also includes:

[0012] The data storage unit is used to store all the data collected and managed.

[0013] Furthermore, the error range of the temperature and humidity collected by the environmental data acquisition unit is: ±1.5% RH, ±0.1°C, and it also supports docking with temperature and humidity sensors to realize the linkage management of the test environment temperature and humidity.

[0014] Furthermore, the metering equipment data interaction control unit is connected to the metering equipment under test to realize metering service message collection and recording and control transparent transmission, including:

[0015] Receive data interaction commands;

[0016] Determining the type of target data to be interacted with according to the data interaction command;

[0017] According to the type of the target database, the corresponding communication interaction attributes are determined, and data interaction is performed between the device and the terminal through the interaction attributes.

[0018] Furthermore, the application management unit includes: a device application subunit and an operation and maintenance management subunit;

[0019] The equipment application subunit periodically sends messages for managing each application unit to the operation and maintenance management subunit. The operation and maintenance management subunit detects the messages returned by each application unit within the set time. If the application unit returns the message within the set time, it is determined that the application unit is processing a normal working state; otherwise, it is determined that the application unit is processing an abnormal working state.

[0020] Furthermore, the protocol conversion matrix includes: an interface submodule, a parameter reading submodule, a communication processing submodule and a matrix control submodule;

[0021] The interface submodule is connected to the bus and is used to exchange data with external devices;

[0022] The parameter reading submodule is used to read the operation-dependent parameters of the measured measuring device into the memory for use by the main program;

[0023] The communication processing submodule is used to perform corresponding processing on different device platforms corresponding to different ports in the interface module, so as to perform secondary packaging on ports of different device platforms or different physical forms to form virtual communication ports;

[0024] The matrix control submodule is used to parse the control instructions to form corresponding matrix control instructions.

[0025] Furthermore, the edge computing management unit includes: network, isolation technology, architecture, edge operating system, and algorithm execution framework;

[0026] The network is used to deploy computing on nodes along the transmission path from the data source to the cloud computing center;

[0027] Isolation technology is used to ensure the stability and security of connected computing;

[0028] Architecture, which reduces the execution time of multiple types of workloads by using acceleration units;

[0029] Edge operating system, using RT Thread or Free RTOS system, deploys, schedules, and migrates complex computing tasks on edge computing nodes to ensure the reliability of computing tasks and maximize resource utilization;

[0030] The algorithm execution framework downloads the algorithm model through the cloud data center and uses it in the protocol processor with small computational complexity and high real-time data requirements.

[0031] The intelligent issuance system for statutory certificates proposed in the present invention is an intelligent comprehensive system that integrates secure access to measuring equipment, real-time collection and recording of test data, equipment operation status monitoring, business authorization, environmental perception, edge computing, test project template management and control, signature management, report anti-counterfeiting and publication. It realizes unified and secure access and management of laboratory equipment, unified modeling and verification of test business data, and ensures source maintenance and unified export. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a structural diagram of a legal certificate intelligent issuance system provided by the present invention;

[0033] Figure 2 This is a deployment network structure diagram of the legal certificate intelligent issuance system involved in the present invention;

[0034] Figure 3 This is an architecture diagram of the legal certificate intelligent issuance system, property management platform and business management platform involved in the present invention;

[0035] Figure 4 This is a structural diagram of the environmental data acquisition unit involved in the present invention;

[0036] Figure 5 This is a structural diagram of a data interaction control unit for a metering device according to the present invention;

[0037] Figure 6 It is a structural diagram of the protocol conversion matrix involved in the present invention;

[0038] Figure 7 is a structural diagram of a data storage unit involved in the present invention;

[0039] Figure 8 This is a structural diagram of the edge computing management unit involved in the present invention. DETAILED DESCRIPTION

[0040] The following description sets forth numerous specific details to facilitate a thorough understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art can make similar generalizations without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific implementations disclosed below.

[0041] To achieve the above objectives, the present invention provides a legal certificate intelligent issuance system. The functions and basic principles of the system are as follows:

[0042] The supporting electronic key authorization device mainly supports the standardized development of test business, and conducts test business activities in accordance with the law and compliance of measurement business regulations. It supports facial recognition or fingerprint recognition, and key management to realize business authorization of test personnel. It supports docking with enhanced tags to realize authorization management of test equipment. It supports docking with temperature and humidity sensors to realize the linkage management of temperature and humidity in the test environment. It supports certificate report printing and review functions. The device integrates a template customization module to realize functions such as remote upgrade of test projects, and supports customization of test activity algorithms and entry styles. It supports docking with intelligent equipment to realize automatic collection and recording of test data.

[0043] The laboratory internal data is reported by the legal certificate machine, which serves as the laboratory side data concentration and local business processing authorization device, realizing the intelligent management of the laboratory by the cloud measurement digital service ecosystem platform. The deployment network structure is shown in Figure 2 shown.

[0044] Enterprise data is encrypted and aggregated to the property management platform, which then routes it to the business management platform for centralized processing and statistics. Figure 3 shown.

[0045] Specifically, the present invention provides a legal certificate intelligent certification system, which is deployed in the laboratory local network, integrates edge IoT agent equipment and connects with the State Grid "property management platform", and mainly includes: environmental data collection unit, metering equipment data interaction control unit, application management unit, protocol conversion matrix, edge computing management unit, certificate and label printing unit and northbound data management component; see Figure 1 .

[0046] Environmental data acquisition unit, used to collect the temperature and humidity of the test environment surrounding the measured measuring equipment;

[0047] The data interaction control unit of the measuring equipment is connected to the measured measuring equipment to realize the collection, recording and control of the measuring business message;

[0048] The application management unit is used to manage comprehensive services, including facial recognition, fingerprint recognition, card issuance, authorization, equipment operation status monitoring, service authorization, test project template management and control, signature management, report anti-counterfeiting and publication;

[0049] The protocol conversion matrix is ​​responsible for supporting the physical connections of various interfaces and network ports, as well as the configuration and management of software communication protocols;

[0050] Edge computing management unit, used to upload and download data from the data storage unit, perform remote computing and positioning analysis;

[0051] Certificate and label printing unit, responsible for printing signature certificate report documents and labels;

[0052] Northbound data management component, used to achieve secure and reliable access to legal certificate reporting machines.

[0053] Furthermore, it also includes: a storage unit for storing the full amount of data, logs, device IDs, etc. collected and managed, which is readable and writable. The simplified diagram is shown in Figure 7 .

[0054] Optional storage media: SATA hard disk, SD card, TF card, EMMC, NOR Flash, Nand Flash, EEPROM, see Figure 7 . .

[0055] The environmental data acquisition unit can collect and record ambient temperature, humidity, video and other environmental information. The temperature and humidity error range is: ±1.5% RH, ±0.1℃. It supports docking with temperature and humidity sensors to realize the linkage management of test environment temperature and humidity. Figure 4 .

[0056] The metering equipment data interaction control unit is responsible for connecting to the intelligent metering equipment to realize metering business message collection and control transparent transmission. Figure 5 .

[0057] The data interaction control method of the metering equipment data interaction control unit includes:

[0058] Receive data and exchange instructions;

[0059] Determining the type of target data to be interacted with according to the data interaction command;

[0060] According to the type of the target database, the corresponding communication interaction attributes are determined, and data interaction is performed between the device and the terminal through the interaction attributes.

[0061] Furthermore, the metering equipment data interaction control unit provides the following external interface types:

[0062] Contact interface types: RS232, RS485, Ethernet.

[0063] Contactless interface type: WIFI, BT5.0, zigbee, NFC.

[0064] The application management unit is responsible for integrating control units and managing comprehensive services, including: face recognition, fingerprint recognition, card making, authorization, human-computer interaction, secure access to metering equipment, real-time collection and recording of test data, equipment operation status monitoring, business authorization, environmental perception, edge computing, test project template management, signature management, report anti-counterfeiting and publication, etc.

[0065] The application management unit includes: a device application subunit and an operation and maintenance management subunit;

[0066] The equipment application subunit periodically sends messages for managing each application unit to the operation and maintenance management subunit. The operation and maintenance management subunit detects the messages returned by each application unit within the set time. If the application unit returns the message within the set time, it is determined that the application unit is processing a normal working state; otherwise, it is determined that the application unit is processing an abnormal working state.

[0067] The operation and maintenance management subunit determines different maintenance management strategies according to the working status of the application unit.

[0068] Effectively prevent system services from being affected or even crashing due to problems with individual application units. The application units proactively send messages to the operation and maintenance management unit to reduce the load on the operation and maintenance management unit.

[0069] The protocol conversion matrix is ​​responsible for supporting the configuration and management of various serial ports, network ports and other physical connections as well as software communication protocols. Figure 6 .

[0070] The protocol conversion matrix includes: an interface submodule, a parameter reading submodule, a communication processing submodule and a matrix control submodule;

[0071] The interface submodule is connected to the bus and is used to exchange data with external devices;

[0072] The parameter reading submodule is used to read the operation-dependent parameters of the measured measuring device into the memory for use by the main program;

[0073] The communication processing submodule is used to perform corresponding processing on different device platforms corresponding to different ports in the interface module, so as to perform secondary packaging on ports of different device platforms or different physical forms to form virtual communication ports;

[0074] The matrix control submodule is used to parse the control instructions to form corresponding matrix control instructions.

[0075] The edge computing management unit is responsible for uploading and downloading data from the data storage unit, performing remote computing and positioning analysis. Figure 8 .

[0076] Edge computing management unit, including: network, isolation technology, architecture, edge operating system, and algorithm execution framework;

[0077] Networks are used for edge computing to push computing closer to the data source and deploy computing at nodes along the transmission path from the data source to the cloud computing center;

[0078] Isolation technology is used to ensure the stability and security of connected computing; edge devices need to use effective isolation technology to ensure service reliability and quality.

[0079] Architecture, by adding coprocessors, heterogeneous hardware sacrifices some general computing capabilities, and uses acceleration units to reduce the execution time of multiple types of loads; improving performance-power ratio.

[0080] Edge operating system, using RT Thread or Free RTOS system, deploys, schedules, and migrates complex computing tasks on edge computing nodes to ensure the reliability of computing tasks and maximize resource utilization;

[0081] The algorithm execution framework downloads the algorithm model through the cloud data center and uses it in the protocol processor with small computational complexity and high real-time data requirements.

[0082] The northbound data management component is responsible for connecting to the property management platform to achieve secure and reliable access to the legal certificate reporting machine.

[0083] The specific working steps are as follows;

[0084] Step 1: The user plugs the device into the RS485 / RS232 interface;

[0085] Step 2: The system detects the connected device and turns on the environmental monitoring function;

[0086] Step 3: Verify user identity, device type, usage permissions, and other permission items through face recognition, fingerprint recognition, and registration data. If verification fails, record the current operation information;

[0087] Step 4: After successful verification, select the corresponding experimental standards and instruments;

[0088] Step 5: Select the corresponding communication protocol through the protocol matrix for device interaction and perform the corresponding standard test on the device under test;

[0089] Step 6: During the process, you can use the help items in the system to solve the problem, or you can consult manually for help;

[0090] Step 7: During the process, the data storage unit stores the current usage data in real time, including equipment information, waveform data, test data, result data and operation records;

[0091] Step 8: The multi-channel interface and self-organizing network of the edge computing management unit can support multiple people and multiple devices to use simultaneously without interfering with each other;

[0092] Step 9: When the device detection is completed, the system will prompt the user with the detection results through the display unit;

[0093] Step 10: When the equipment passes the inspection, the system will print the relevant equipment labels, certificates and reports through the internal certificate and label printing unit, and stamp them with a steel seal;

[0094] Step 11: At the same time, relevant data is archived through the northbound data management component, and anti-counterfeiting verification of relevant certificates and reports is supported.

[0095] The intelligent issuance system for statutory certificates proposed in the present invention is an intelligent comprehensive system that integrates secure access to measuring equipment, real-time collection and recording of test data, equipment operation status monitoring, business authorization, environmental perception, edge computing, test project template management and control, signature management, report anti-counterfeiting and publication. It realizes unified and secure access and management of laboratory equipment, unified modeling and verification of test business data, and ensures source maintenance and unified export.

[0096] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit it. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in the field should understand that the specific implementation methods of the present invention can still be modified or replaced by equivalents. Any modifications or equivalents that do not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A legal certificate intelligent issuance system, characterized by: include: Environmental data acquisition unit, metering equipment data interaction control unit, application management unit, protocol conversion matrix, edge computing management unit, certificate and label printing unit, northbound data management component and data storage unit; Environmental data acquisition unit, used to collect the temperature and humidity of the test environment surrounding the measured measuring equipment; The data interaction control unit of the measuring equipment is connected to the measured measuring equipment to realize the collection, recording and control of the measuring business message; The application management unit is used to manage comprehensive services, including facial recognition, fingerprint recognition, card issuance, authorization, equipment operation status monitoring, service authorization, test project template management and control, signature management, report anti-counterfeiting and publication; The protocol conversion matrix is ​​responsible for supporting the physical connections of various interfaces and network ports, as well as the configuration and management of software communication protocols; Edge computing management unit, used to upload and download data from the data storage unit, perform remote computing and positioning analysis; Certificate and label printing unit, responsible for printing signature certificate report documents and labels; Northbound data management component, used to achieve secure and reliable access to legal certificate reporting machines; The data storage unit is used to store all the data collected and managed.

2. The system according to claim 1, wherein: The environmental data acquisition unit collects temperature and humidity with an error range of ±1.5%RH and ±0.1°C, and supports docking with temperature and humidity sensors to achieve linked management of the test environment temperature and humidity.

3. The system according to claim 1, wherein: The metering equipment data interaction control unit is connected to the metering equipment under test to realize metering service message collection and recording and control transparent transmission, including: Receive data interaction commands; Determining the type of target data to be interacted with according to the data interaction command; According to the type of the target data, communication interaction attributes are determined, and data interaction is performed between the device and the terminal through the interaction attributes.

4. The system according to claim 1, wherein: The application management unit includes: a device application subunit and an operation and maintenance management subunit; The equipment application subunit periodically sends messages for managing each application unit to the operation and maintenance management subunit, and the operation and maintenance management subunit detects the messages returned by each application unit within the set time; if the application unit returns the message within the set time, it is determined that the application unit is in a normal working state; otherwise, it is determined that the application unit is in an abnormal working state.

5. The system according to claim 1, wherein: The protocol conversion matrix includes: an interface submodule, a parameter reading submodule, a communication processing submodule and a matrix control submodule; The interface submodule is connected to the bus and is used to exchange data with external devices; The parameter reading submodule is used to read the operation-dependent parameters of the measured measuring device into the memory for use by the main program; The communication processing submodule is used to perform corresponding processing on different device platforms corresponding to different ports in the interface module, so as to perform secondary packaging on ports of different device platforms or different physical forms to form virtual communication ports; The matrix control submodule is used to parse the control instructions to form corresponding matrix control instructions.

6. The system according to claim 1, wherein: Edge computing management unit, including: network, isolation technology, architecture, edge operating system, and algorithm execution framework; The network is used to deploy computing on nodes along the transmission path from the data source to the cloud computing center; Isolation technology is used to ensure the stability and security of connected computing; Architecture, which reduces the execution time of multiple types of workloads by using acceleration units; Edge operating system, using RT Thread or Free RTOS system, deploys, schedules, and migrates complex computing tasks on edge computing nodes to ensure the reliability of computing tasks and maximize resource utilization; The algorithm execution framework downloads the algorithm model through the cloud data center and uses data with low computational complexity and high real-time performance in the protocol processor.

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