CN-121985017-A - Intelligent doorplate dynamic management system and method based on LORA technology

CN121985017ACN 121985017 ACN121985017 ACN 121985017ACN-121985017-A

Abstract

The application relates to the field of intelligent management of doorplates, and particularly discloses an intelligent doorplate dynamic management system and method based on a LORA (local area network analysis) technology, which are used for carrying out grabbing cleaning and standardized packaging on external heterogeneous source data such as OA (optical access), educational administration and the like at the front end through a protocol adaptation and data engine technology, breaking an information island and realizing automatic production of contents; the transmission layer uses cloud compiling and gateway protocol converting mechanism to reconstruct network data into LORA radio frequency signal with high penetrability for wide area broadcasting, the terminal side adopts periodical wake-up strategy based on CAD mechanism, and only drives the electronic ink screen to refresh after checking effective signaling and then automatically cuts off power supply. Therefore, through the data closed loop circulation of the full link, the real-time synchronization of the physical identification and the digital service is realized without manual intervention, and meanwhile, the extremely low power consumption long-term operation of the system is ensured by utilizing the bistable display characteristic.

Inventors

SHEN WANZHONG
WEI BO

Assignees

浙江海盐力源环保科技股份有限公司

Dates

Publication Date: 20260505
Application Date: 20260127

Claims (8)

1. The intelligent house number plate dynamic management method based on the LORA technology is characterized by comprising the following steps of: S1, performing grabbing and cleaning treatment on external source data to convert the external source data into an original object stream which can be identified in the system; S2, carrying out semantic analysis and field mapping on the original object stream by utilizing a data engine, and packaging the mapped data into a standardized unified protocol data packet by a format conversion technology; S3, the cloud management platform receives the unified protocol data packet, compiles the unified protocol data packet into a control instruction containing display parameters, and performs address addressing and route encapsulation by combining the network topology position of the target terminal to generate a downlink instruction frame conforming to a low-power consumption wide area network protocol; S4, the gateway equipment receives the downlink instruction frame through the return link, converts the network protocol data into physical layer protocol data by utilizing the internal processor and carries out radio frequency broadcast modulation so as to transmit radio frequency modulation signals to the coverage area; s5, capturing a radio frequency modulation signal by the intelligent doorplate terminal in a periodic wake-up state, and carrying out signal demodulation and cyclic redundancy check processing on the radio frequency modulation signal by the communication module so as to analyze display rendering data; And S6, driving the electronic ink screen controller to perform electrophoretic display update by using display rendering data to form visible human-readable information, and cutting off power supply of the communication module and the driving circuit after the update is completed so as to automatically switch back to the deep sleep mode.
2. The intelligent house number plate dynamic management method based on the LORA technology according to claim 1, wherein step S1 comprises: Carrying out feature matching-based protocol identification and adapter instantiation on external source data to obtain a protocol adaptation component, and establishing a communication handshake with a data source by utilizing the protocol adaptation component; The method comprises the steps of calling a unpacking method of a protocol adaptation component to strip a communication layer protocol header, extracting a core original service load, and performing character set standardized transcoding and invalid field filtering cleaning operation on the original service load to obtain cleaned structured data; and carrying out serialization conversion on the cleaned structured data based on the predefined middle layer data definition to obtain an original object stream.
3. The intelligent house number plate dynamic management method based on the LORA technology according to claim 1, characterized by comprising the following steps of: extracting key business entities based on semantic analysis from the original object stream to obtain a business entity set; performing intelligent field mapping and data standardization verification on the service entity set to obtain standard intermediate data containing standard structure description; And performing XSLT conversion and unified protocol encapsulation on the standard intermediate data containing the standard structure description to obtain a unified protocol data packet.
4. The intelligent house number plate dynamic management method based on the LORA technology according to claim 1, characterized by comprising the following steps of: Performing instruction compiling and differential updating judgment on the unified protocol data packet to obtain an instruction payload; performing link quality-based adaptive rate routing computation on the instruction payload to obtain a set of routing configuration; Encrypting the instruction payload to obtain a ciphertext payload; and encapsulating the ciphertext load by using the LoRaWAN protocol frame to obtain a downlink instruction frame.
5. The intelligent house number plate dynamic management method based on the LORA technology according to claim 1, characterized by comprising the following steps of: Carrying out downlink instruction buffering and time sequence scheduling on a downlink instruction frame to obtain baseband data to be modulated; Reading instruction header metadata to configure radio frequency parameters, mapping baseband data to be modulated into linear frequency modulation signals with the frequency linearly changing along with time, and synthesizing digital IQ signal streams containing in-phase components and quadrature components according to the linear frequency modulation signals; Digital-to-analog conversion and radio frequency power amplification broadcasting are carried out on the digital IQ signal stream to obtain a radio frequency modulation signal.
6. The intelligent house number plate dynamic management method based on the LORA technology according to claim 1, characterized by comprising the following steps of: Carrying out channel activity detection and signal locking based on CAD mechanism on the radio frequency modulation signal to obtain an original baseband sampling stream; CSS demodulation and frame integrity check are carried out on the original baseband sampling stream to obtain effective encrypted frame data; and performing AES decryption and display instruction extraction on the effective encrypted frame data to obtain display rendering data for screen refreshing.
7. The intelligent house number plate dynamic management method based on the LORA technology according to claim 1, characterized by comprising the following steps of: Decompressing the display rendering data and writing the decompressed display rendering data into a target frame buffer area, and calculating pixel gray level difference between the decompressed display rendering data and the current display picture data to obtain a basic waveform sequence; performing temperature compensation driving based on viscosity coefficients on the basic waveform sequence to obtain a stable physical display picture; Performing a ground discharge process on the common electrode to back up current frame data to the nonvolatile memory using the bistable feature-locked stable physical display screen; and closing the radio frequency module and the display driving power supply and suspending the interruption of the processor so as to form visible human-readable information and enter a deep sleep mode.
8. An intelligent house number plate dynamic management system based on the LORA technology is characterized by comprising: The data grabbing and cleaning processing module is used for executing the step S1 of grabbing and cleaning the external source data so as to convert the external source data into an original object stream which can be identified in the system; The field mapping module is used for executing step S2, namely carrying out semantic analysis and field mapping on the original object stream by utilizing a data engine, and packaging the mapped data into a standardized unified protocol data packet by a format conversion technology; the cloud management platform receives the unified protocol data packet and compiles the unified protocol data packet into a control instruction containing display parameters, and performs address addressing and route encapsulation by combining the network topology position of the target terminal to generate a downlink instruction frame conforming to a low-power-consumption wide area network protocol; the gateway equipment receives the downlink instruction frame through a return link, converts network protocol data into physical layer protocol data by utilizing an internal processor and carries out radio frequency broadcast modulation so as to transmit radio frequency modulation signals to a coverage area; The signal demodulation and verification module is used for executing the step S5, wherein the intelligent doorplate terminal captures a radio frequency modulation signal in a periodic wake-up state and performs signal demodulation and cyclic redundancy verification processing on the radio frequency modulation signal through the communication module so as to analyze display rendering data; and the electrophoretic display updating module is used for executing the step S6 of driving the electronic ink screen controller to update the electrophoretic display by using the display rendering data so as to form visible human-readable information, and cutting off the power supply of the communication module and the driving circuit after the updating is finished so as to automatically switch back to the deep sleep mode.

Description

Intelligent doorplate dynamic management system and method based on LORA technology Technical Field The application relates to the field of intelligent management of doorplates, in particular to an intelligent doorplate dynamic management system and method based on LORA technology. Background With the rapid development of smart city and digital office management, the space resource management requirements of enterprises and public institutions, office buildings, campuses and other scenes are increasingly refined. In these scenes, information interaction such as office personnel change, meeting room occupation state, course arrangement adjustment and the like is frequent, and the conventional static signboard has difficulty in meeting urgent requirements of modern management on information instantaneity and interactivity. In particular, existing house number management schemes have significant technical limitations in practical applications. The traditional physical house plate is usually made of metal or acrylic materials, the information is solidified once being recorded, the content is changed and needs to be manufactured and installed again, the timeliness is delayed, and not only is manpower and material resources wasted. Although electronic doorplates based in part on Liquid Crystal (LCD) or Light Emitting Diode (LED) are appeared on the market, most of these schemes have a problem of excessive power consumption, rely on continuous wired power supply or frequent battery replacement, and result in complicated deployment construction and heavy load of later operation and maintenance. More importantly, the existing electronic doorplate management system is often a closed information island, and cannot be in deep data intercommunication with an OA office system, a educational administration system or an HR scheduling system of a user, so that the doorplate display content needs to be manually input for the second time, and information dyssynchrony and management confusion are easily caused. In addition, in the wireless communication plane, the conventional Wi-Fi or bluetooth scheme has difficulty in meeting networking requirements of large buildings or complex parks in terms of penetrability and coverage distance, and maintaining low power consumption operation while guaranteeing long-distance transmission. Therefore, in order to break the barrier between the physical identification and the digital information, improve the intelligent level and the operation efficiency of space management, an optimized intelligent doorplate dynamic management system based on the LORA technology is expected. Disclosure of Invention The present application has been made to solve the above-mentioned technical problems. The embodiment of the application provides an intelligent doorplate dynamic management system and method based on a LORA technology. According to one aspect of the present application, there is provided an intelligent doorplate dynamic management method based on the LORA technology, which includes: S1, performing grabbing and cleaning treatment on external source data to convert the external source data into an original object stream which can be identified in the system; S2, carrying out semantic analysis and field mapping on the original object stream by utilizing a data engine, and packaging the mapped data into a standardized unified protocol data packet by a format conversion technology; S3, the cloud management platform receives the unified protocol data packet, compiles the unified protocol data packet into a control instruction containing display parameters, and performs address addressing and route encapsulation by combining the network topology position of the target terminal to generate a downlink instruction frame conforming to a low-power consumption wide area network protocol; S4, the gateway equipment receives the downlink instruction frame through the return link, converts the network protocol data into physical layer protocol data by utilizing the internal processor and carries out radio frequency broadcast modulation so as to transmit radio frequency modulation signals to the coverage area; s5, capturing a radio frequency modulation signal by the intelligent doorplate terminal in a periodic wake-up state, and carrying out signal demodulation and cyclic redundancy check processing on the radio frequency modulation signal by the communication module so as to analyze display rendering data; And S6, driving the electronic ink screen controller to perform electrophoretic display update by using display rendering data to form visible human-readable information, and cutting off power supply of the communication module and the driving circuit after the update is completed so as to automatically switch back to the deep sleep mode. According to another aspect of the present application, there is provided an intelligent doorplate dynamic management system based on the LORA technology, comprising: The dat