48results about How to "High speed data transmission" patented technology

The utility model relates to a flexible wearable liquid metal antenna and wearable electronic equipment, and belongs to the technical field of wearable antennas. Comprising a dielectric substrate, a grounding metal sheet, a feed port metal sheet, a metal floor and an inverted F-shaped groove, according to the dual-band wrist type PIFA antenna, a flexible material PDMS is used as a dielectric substrate, liquid metal EGaIn is used as a radiation material, and the EGaIn is wrapped in a microfluidic channel formed by the PDMS, so that the wearable antenna working at two frequency bands of 2.4 GHz and 5.8 GHz is realized. Compared with a traditional solid metal wearable antenna, the wearable antenna designed on the basis of liquid metal can well receive signals, material fatigue or cracking cannot be caused by repeated bending, and the wearable antenna has high self-repairing capacity and has more advantages in the wearable aspect.

The invention provides an FPGA (Field Programmable Gate Array) accelerator card with a hard synchronization function, which comprises an FPGA chip used for processing a computing task issued by a universal processor system, the FPGA chip is provided with a storage module and a power supply module, and external interfaces comprise a PCIE (Peripheral Component Interface Express) interface, a QSFP (Quad Small Form-factor Pluggable) optical interface, an SMA (Shape Memory Alloy) interface and an RS422 interface. And the PCIE interface and the QSFP optical interface are respectively interconnected with the high-speed port of the FPGA module at a high speed. And the storage module, the SMA interface and the RS422 interface are all connected to a general I / O pin of the FPGA. According to the invention, the synchronization signal from the external device can be received, and the PCIE message interrupt is sent to the universal processor system end through the PCIE interface, so that the synchronization time base establishment between the universal processor system and the acceleration card external device is realized. And the message interruption of the PCIE is used as a strong real-time synchronization mode, so that the accurate control on the external equipment can be realized. Meanwhile, the PCIE module and the QSFP optical interface can achieve high-speed data transmission, and the acceleration card supporting strong real-time processing is formed by combining high-density parallel computing of the FPGA.

The invention relates to the technical field of new energy automobiles, and discloses a 5G-based new energy automobile control system and a control method thereof.The 5G-based new energy automobile control system comprises an automobile control system, and the automobile control system comprises a vehicle-mounted control system and a terminal control system; the vehicle-mounted control system comprises a vehicle-mounted artificial intelligence module, a vehicle diagnosis module, a vehicle-mounted information processing module, a vehicle-mounted 5G communication module, an artificial intelligence driving auxiliary early warning module, a GPS positioning module and a vehicle-mounted endurance monitoring module. The 5G communication technology is adopted, high-speed data transmission between the vehicle-mounted control system and the terminal control system can be achieved, and real-time transmission and processing of the vehicle state, fault information, driving assistance data and the like are ensured; the vehicle-mounted artificial intelligence module can process complex driving decisions and vehicle control tasks, makes intelligent judgment according to real-time data, and achieves an automatic driving or auxiliary driving function.

The invention discloses an unmanned aerial vehicle airborne access method and system based on a double-link ad hoc network, and belongs to the technical field of communication networks. Carrying out equipment type selection and configuration; network deployment and debugging; unmanned aerial vehicle task execution and data transmission; according to the unmanned aerial vehicle airborne access method and system based on the double-link ad hoc network, a power grid professional unmanned aerial vehicle airborne high-speed ad hoc network access method based on 1.4 G networking access and 5.8 G networking return can significantly improve the communication efficiency, real-time performance and anti-interference capability of an unmanned aerial vehicle cluster; high-speed and stable data transmission between the unmanned aerial vehicle and a ground station or other unmanned aerial vehicles is realized, and the requirements of complex applications such as power grid inspection are met; by combining the advantages of two frequency bands of 1.4 G and 5.8 G, high-speed and stable data transmission is realized, and the efficiency and safety of power grid operation and the communication efficiency are improved; and by using 1.4 G and 5.8 G networking, the traffic fee is 0, and the traffic fee is reduced.

The invention relates to the field of optical systems, and particularly discloses a library indoor illumination control system and method based on Internet of Things, the system comprises a plurality of visible light emission child nodes, each visible light emission child node comprises an emission base, a first light source, a first polarizing film, a first controller and a first communication module, the first light source is embedded and fixed in the emitting base, the first polaroid is located above the first light source and is rotationally connected with the emitting base, and a first driving piece used for driving the first polaroid to rotate is arranged in the emitting base; the first communication module is used for receiving first control information, the first controller is used for generating a first control instruction according to a preset mode or the first control information, and the first driving piece is used for driving the first polaroid to rotate according to the first control instruction to form flicker frequency information. According to the technical scheme, the characteristics of library scenes can be combined, and a user can conveniently use the smart phone to carry out visible light communication.

The invention relates to the technical field of laser communication, in particular to a free space optical communication system, device and method. According to the free space optical communication system provided by the invention, the space light beam is firstly coupled with the multimode optical fiber, and the characteristic that the diameter of a fiber core of the multimode optical fiber is larger is utilized, so that the coupling efficiency is improved, and the energy loss in the coupling process can be effectively reduced. Then, a mode demultiplexer is used, and a mode conversion technology is adopted to separate and convert multiple modes of light in the multimode optical fiber, so that the obtained LP01 mode is separated and converted into a fundamental mode of the single-mode optical fiber to serve as an output optical signal, and the problem that the modes of the multimode optical fiber and the single-mode optical fiber are not matched is solved through the mode conversion technology; and finally, the converted fundamental mode signal in the single-mode fiber is used for communication, so that a high-speed communication module can be better matched.

The utility model belongs to the field of optical fiber communication, and discloses a three-mode OLT optical device, which comprises a shell, an insertion core connected with the shell, a transmitting tube core, a receiving tube core and an optical element arranged in the shell, wherein the optical element comprises a filter plate group, and the filter plate group is respectively arranged on an optical path between the transmitting tube core and the insertion core and at a port of the receiving tube core; the full inverse wave plate group is arranged at a position opposite to the port of the receiving tube core; the filter group is matched with the total inverse wave plate group, optical signals transmitted by the transmitting tube core are guided into an insertion core, and optical signals transmitted by the insertion core are guided into a receiving tube core; according to the three-mode OLT optical device provided by the invention, the filter plate group and the total inverse wave plate group are adopted to guide optical signals, so that the occupied volume of the optical device is small, and the three-mode OLT optical device is suitable for dense wiring and high-density circuit board design.

The invention provides a vehicle domain control system and a vehicle. The vehicle domain control system comprises at least two domain controllers, at least two sensors and at least two actuators. Each sensor comprises a first wireless communication module, and each actuator comprises a second wireless communication module; each domain controller is in communication connection with at least one sensor through a first wireless communication module, the first wireless communication module is used for sending a signal detected by the sensor to the corresponding domain controller, and each domain controller is in communication connection with at least one actuator through a second wireless communication module; the second wireless communication module is used for signal transmission between the actuator and the domain controller; and the domain controllers are in communication connection through a local area network. Therefore, the communication connection among the plurality of actuators, the plurality of sensors and the plurality of domain controllers is realized in a wireless communication mode, the length of each signal transmission wire harness of the whole vehicle and the number of loops are reduced, and the internal arrangement, manufacturing and assembling of the vehicle are facilitated.

The invention relates to the technical field of distributed network systems, and discloses a serial communication distributed network system, which comprises a distributed network system constructed by an upper computer module, a network host module and a lower computer module, and is characterized in that the lower computer module comprises an industrial field instrument, a sensor and controller equipment; according to the distributed network system for serial communication, the photoelectric coupler and the operational amplifier are arranged, so that the influence of external interference signals on the network host module and the lower computer equipment can be effectively prevented, data errors and system faults caused by interference are reduced, the accuracy and the stability of data transmission are ensured, the signal strength can be enhanced, and the reliability of data transmission is improved. The anti-interference capability of signals is improved, under the condition of long-distance communication or a large number of lower computers, the signals may be attenuated, and the communication quality is reduced, the signals can be amplified by using the operational amplifier, the strength of the signals in the transmission process is ensured, and thus the reliability of the system is improved.

The utility model relates to the field of flexible circuit boards, and discloses a camera substrate structure capable of being specially bent, which is characterized in that the camera substrate structure comprises a plurality of electrically connected FPC parts, each FPC part comprises an FPC board main body, a connecting end and a chip end, the connecting end and the chip end are respectively connected with two ends of the FPC board main body, the FPC board main body comprises a flexible part and a bending part, and the bending part is connected with the FPC board main body. The flexible part comprises a base material and covering films attached to the front face and the back face of the base material, the bent part comprises a base material and a covering film attached to one surface of the base material, and the base material comprises a PI layer and a first copper foil layer. The utility model provides the substrate structure which can be used for the vehicle-mounted camera and can be bent for multiple times.

The utility model relates to the technical field of medical treatment, in particular to a medical endoscope wireless isolation protection device which comprises a transmitting end and a receiving end. The transmitting end comprises an image sensor module, a high-speed serializer and a millimeter wave wireless transmitting module which are connected in sequence; the receiving end comprises a millimeter wave wireless receiving module, a high-speed deserializer, an image processing unit and a display storage module which are connected in sequence; a traditional copper cable is replaced by millimeter wave wireless transmission, high-speed data transmission is achieved, a physical electrical isolation barrier is established, a ground loop and electromagnetic interference of traditional wired transmission are eliminated, meanwhile, a high-speed serial interface is adopted, the number of data lines is reduced during transmission, and signal attenuation is reduced.

The utility model relates to an integrated base station, it includes single board computer and software defined radio board. Among them, single board computer includes: power module, communication interface, first data processing unit, first data processing unit is configured for to signal baseband processing, and first heat dissipation module, first heat dissipation module with power module and / or first data processing unit heat connection. Software defined radio board with single board computer is connected through PCIE bus communication, and it includes: second heat dissipation module, second data processing unit, power amplifier module and radiating module, wherein, second heat dissipation module with second data processing unit and / or power amplifier module heat connection.

The utility model discloses an Internet of Things water meter concentrator based on a star flash technology, a control circuit mainboard is arranged in a water meter concentrator body, and a master control single chip microcomputer, a FLASH memory, a key module, an indicator light module and a star flash radio transmitter are integrated on the control circuit mainboard. The master control single-chip microcomputer is respectively in communication connection with the star flash radio transmitter, the FLASH memory, the key module and the indicator light module, the star flash radio transmitter is connected with the management server, and the water meter concentrator body is wirelessly connected with a lower hanging instrument. The management server can issue specific archive information of the down-hung instrument to the water meter concentrator body through the star flash radio transmitter, the down-hung instrument can regularly upload meter end data to the water meter concentrator body through the star flash radio transmitter, the meter end data are stored through the FLASH memory, and finally the collected data are displayed through the management server. Therefore, data acquisition and monitoring management of the down-hung instrument are realized, and the data transmission capability and the meter reading rate are high.

The utility model discloses a kind of PCIE optical fiber communication boards for special components, including FPGA, FPGA is integrally connected with synchronous clock input interface, three-way digital optical fiber receiving interface, SMA input interface, TypeC interface group, independent SDRAM storage unit and optical signal output port by function interface;FPGA is coordinated each above-mentioned component module work, realizes the protocol conversion of PCIE protocol and optical fiber communication, data encoding and decoding, cache management function.The utility model innovatively adopts mixed clock domain architecture, organically combines synchronous clock tree and asynchronous data channel, simultaneously supports the mixed networking mode of copper cable and optical fiber through photoelectric composite interface design, while guaranteeing high-speed data transmission, effectively reduce the electromagnetic interference influence in transmission path;In addition, the multi-protocol conversion engine and hardware acceleration module integrated in FPGA further improve the processing efficiency and flexibility of system.

The invention discloses vehicle-mounted data acquisition equipment, which belongs to the technical field of vehicle-mounted communication, and comprises a main control module used for scheduling and controlling the whole equipment, a data acquisition module used for receiving external data from an external connector, and a data interaction module used for performing bus data interaction with the external connector, the driving output module is used for executing a control command which is sent by the main control module and is used for controlling an external connector, the storage module is used for storing data, and external data and source data generated in the equipment are stored in the storage module; the main control module at least comprises an MCU control unit, and the data acquisition module, the storage module, the data interaction module and the driving output module are all connected with the MCU control unit. According to the invention, vehicle data can be efficiently collected, processed, stored and transmitted, and powerful support is provided for intelligence, automation and networking of vehicles.

The invention relates to the technical field of intelligent code spraying, and provides a novel intelligent code spraying gun platform which can complete the functions of data entry, code spraying, photographing and data uploading and storage through one device, realizes high-speed and stable data transmission, ensures real-time updating and synchronization of code spraying information, uploads code spraying data to a cloud end, and improves the efficiency of code spraying. The invention discloses a code spraying gun for a blade, which realizes centralized management and analysis of data, is convenient for production tracing, quality control and data statistics, improves the working efficiency, can meet the code spraying requirements of different positions of the blade at different working positions, and comprises a support frame, a rotating frame, a handheld handle and a code spraying gun body, a communication control panel module and a WIFI communication module which are used for realizing code spraying control, data processing and wireless data transmission are arranged on the code spraying gun body, a displacement plate is connected to the shell in a sliding manner, a PDA terminal and a camera module are arranged on the displacement plate, and a displacement assembly is arranged on the shell.

The invention provides intelligent glasses and a communication method thereof, and relates to the technical field of wearable equipment. The smart glasses include a frame, legs extending from the frame, a first antenna, a second antenna, a multiple-input multiple-output antenna, and a processor. The first antenna is arranged on the mirror frame, and the first antenna carries out communication on the L1 frequency band of the GPS frequency. The second antenna is arranged on the mirror frame and is separated from the first antenna, and the second antenna carries out communication on the L5 frequency band of the GPS frequency. The multiple-input-multiple-output antennas are arranged at the ends of the glasses legs, and the processors are arranged at the positions, close to the glasses frame, of the glasses legs and are connected with the first antennas, the second antennas and the multiple-input-multiple-output antennas respectively. According to the intelligent glasses disclosed by the invention, a high-precision positioning and navigation system which can be applied to a global satellite navigation system is realized, and the accuracy and the safety of the positioning system are improved.

The present invention belongs to the field of optical wireless communication technology, specifically, a visible light communication and position perception integrated system based on active illumination and computational reconstruction. The system of the present invention includes a light source module, a spatial light modulator, a single-pixel photodetector, a communication signal processing unit, and a control unit: the light source module is used to generate illumination light for visible light communication signals; the spatial light modulator is used to modulate the spatial distribution of the light field of the light signal; the single-pixel photodetector is used to receive the light signal modulated by the spatial light modulator and then convert it into an electrical signal; the communication signal processing unit is used to restore the original communication signal and reconstruct the spatial position information from the timing signal measured by the detector; the control unit is used to coordinate the work of the light source module, the spatial light modulator, and the single-pixel detector to ensure the synchronization and efficient operation of the system. The system of the present invention can achieve high-precision spatial positioning, with millimeter-level lateral resolution and centimeter-level longitudinal resolution.

The invention belongs to the technical field of electrical equipment mechanical state detection, and particularly relates to a UWB-based transformer substation electrical equipment mechanical state online monitoring system. Comprising a wireless sensor node, a fixed or mobile client and a cloud platform, the wireless sensor nodes are wireless vibration sensors which are distributed on power equipment in a transformer substation and carry UWB technology, and are used for collecting vibration signals of the equipment in real time; the fixed or mobile client collects detection data of each wireless sensor node so as to monitor vibration signals of each part of the equipment on line, and positions each sensing node through an algorithm; the cloud platform receives the position information and the monitoring data of each node, and performs big data processing and analysis to diagnose the mechanical state of the power equipment; according to the invention, the wireless sensing network communicates with the wireless sensing nodes through the fixed or mobile client, rapidly transmits vibration signals and positions the sensing nodes, and has the advantages of high-efficiency transmission, high-precision positioning and low-power-consumption operation.

The invention relates to the technical field of industrial automation communication protocol conversion, and discloses an AUTBUS-MVB protocol conversion device and method. The device comprises a bus protocol conversion module, an MVB communication module and an AUTBUS communication module, precise conversion of a protocol address is realized through an address mapping unit, a data structure conversion unit completes recombination of a data frame format, a communication time sequence coordination module adopts a soft clock scheduling mechanism to ensure the correctness of a data transmission time sequence, and the communication time sequence coordination module is used for realizing data transmission. And the buffering and flow control module effectively manages the data flow through a queue mechanism to prevent congestion. By means of the method, efficient and reliable data conversion between the AUTBUS and the MVB is achieved, and the requirement for interconnection of heterogeneous buses is met.

The utility model discloses a modularization easy maintenance electric energy meter belongs to the electric energy meter technical field, the electric energy meter comprises a support seat, a metering module, a communication module, a display module and a connecting assembly, one side of the support seat is hinged with a protective cover, one side of the support seat is fixedly provided with a connecting seat, the top end of the connecting seat is provided with a plurality of installing grooves, and the installing grooves are connected with the connecting seat. The metering module, the communication module and the display module are slidably mounted in the corresponding mounting grooves, and the connecting assembly is composed of first connecting parts arranged at the bottom ends of the inner walls of the mounting grooves and second connecting parts arranged at the bottom ends of the metering module, the communication module and the display module. And the first connecting part and the second connecting part are inserted and electrically connected. The electric energy meter is convenient to maintain and flexible in function.

The present invention discloses a visible light communication system based on intensity modulation direct detection, belonging to the technical field of data transmission. The system of the present invention is composed of a power supply part, a transmitting part and a receiving part. First, the voltage stabilizing module stabilizes the input voltage to 12V and 15V respectively, and then the dual power module converts the single power supply into a dual power supply of ±5V, and supplies power to the receiving circuit and the bandpass filter to make it work normally; then the analog signal to be transmitted is directly loaded onto the white light LED, and the signal modulation is realized by changing the intensity of the light source. Finally, the PIN diode receives the signal and processes it, thereby realizing the transmission of audio signals and image information. The system selects the communication mode of intensity modulation direct detection, which is mainly composed of an input analog signal, an optical transmitter, an optical channel, and an optical receiver. Since this method does not require the use of complex modulation, demodulation circuits and external modulators, the system structure is simpler, the system failure points are reduced, and the adaptability is strong.

The utility model discloses a can realize earphone wireless charging module of two -way data communication, including charging storehouse casing, earphone containing cavity, fixed magnetic ring, bottom plate, wireless transmitting module, earphone receiving module, the earphone containing cavity is established at the top of charging storehouse casing, the fixed magnetic ring fixedly connected in earphone containing cavity inboard, the bottom plate fixedly connected at the bottom of charging storehouse casing, wireless transmitting module fixedly connected in charging storehouse casing inside, earphone receiving module places in earphone containing cavity inside, and the integrated design of flexible circuit board and decoding chip realizes high -speed data transmission in limited space, and the security and functionality are taken into account.

The invention discloses an indoor T-shaped corridor scene path loss analysis method based on an intelligent reflecting surface, and the method comprises the steps: precisely simulating the propagation condition of a signal in an indoor environment through a simulation technology, ingeniously employing the intelligent reflecting surface as a relay, providing a space diversity gain, and effectively solving the sparsity problem of multipath components in a channel. Comprising the following steps: firstly, constructing a novel indoor T-shaped corridor scene model with accurate length, width and height details through professional software, determining the specific positions and heights of an antenna transmitting end and a user signal receiving end, and designing the position deployment, the size and the number of used intelligent reflecting surfaces; a ray tracing technology is utilized to accurately reconstruct a channel, signal transmission characteristics and channel response are accurately evaluated, and important reference data are provided for design and optimization of a wireless communication system; by adjusting the position deployment, the different sizes and the use number of the intelligent reflecting surfaces, the propagation path of the signal under the indoor terahertz frequency band is flexibly adjusted, the signal intensity is effectively enhanced, and the wireless communication performance is optimized. According to the method, an accurate reference basis is provided for wireless communication performance research of an indoor T-shaped corridor scene, deep understanding of signal propagation characteristics of a terahertz wave band in the scene is facilitated, and a solid foundation is laid for performance analysis and optimization work of similar scenes. Through the application of the invention, the performance of an indoor wireless communication system can be further improved, and increasing wireless communication requirements are met.

The invention relates to the field of force sensors, in particular to a multi-dimensional force sensor for trailer traction control. A square column of the shear beam structure serves as an elastic sensitive element in the Y-axis direction and the Z-axis direction, and sensitive deformation of vertical force and lateral force is achieved. The cross beam structure serves as an elastic sensitive element in the X-axis direction, and sensitive deformation to axial tension and axial pressure is achieved; the X-axis sensing assembly collects the axial force in the X-axis direction. The Y-axis sensing assembly collects vertical force in the Y-axis direction; the Z-axis sensing assembly collects lateral force in the Z-axis direction; the circuit board is used for carrying out coupling calculation on component forces in the X-axis direction, the Y-axis direction and the Z-axis direction, and CAN digital signal output is achieved through a signal line. The problems that an existing trailer control system cannot accurately sense multi-dimensional stress information between a main vehicle and a trailer in real time, cooperative control lags behind, and precision is insufficient are solved.

The invention relates to the field of DNA calculation, and discloses a solid-state nucleic acid register and a data registering method, the solid-state nucleic acid register comprises a solid-phase carrier and one or more planar origami structures fixed on the surface of the solid-phase carrier; wherein the main surface of the planar origami structure and the main surface of the solid-phase carrier are in solid-phase connection to form a fixed relationship, and the other main surface of the planar origami structure is configured to write, store, read and rewrite data; and the planar origami structure is formed by complementary pairing and self-assembly of bases. The data registering method comprises the following steps: preparing the solid nucleic acid register, and constructing a solid nucleic acid reaction tank; adding a DNA calculation circuit assembly into the solid nucleic acid reaction tank and setting a data reading device; and writing, storing, reading and rewriting data of the DNA calculation circuit in the solid nucleic acid reaction tank, and observing by adopting a data reading device. The compact sequential digital circuit is provided, and the information processing efficiency is improved.

The utility model discloses a multifunctional communication module comprising a housing, a CPU main body, a display interface, a communication chip, an antenna interface, an SIM interface, an RJ45 interface, a USB interface, a debugging interface, a 485 interface, a power supply interface, a power supply, an EPROM main body and an M-BUS interface. According to the utility model, the communication chip is arranged and is matched with the 4G communication technology to realize high-speed data transmission, provide a basis for data acquisition and ensure the sustainability of subsequent water resource utilization, distribution and management, and meanwhile, the RJ45 interface, the 485 interface and the M-BUS interface are arranged to ensure the real-time operation of subsequent switching-on and switching-off, so that the communication efficiency is greatly improved. And a plurality of acquisition terminals of different manufacturers can be externally connected, so that mutual compatible management is realized, and the subsequent maintenance cost is reduced.

This invention discloses a 3D stacked memory and a high-bandwidth architecture. It includes a logic control chip and a DRAM chip. The logic control chip is equipped with a command decoding unit, a row-column decoding unit, and a mode register unit. The DRAM chip is equipped with memory cells. A vertical interconnect structure is formed between the DRAM chip and the logic control chip. The control and configuration system transmits data to the memory cells through this vertical interconnect structure. In other words, this technical solution simplifies the DRAM chip structure by centralizing the command decoding unit, row-column decoding unit, and mode register unit within the logic control chip, thereby freeing up more space for memory cell layout and effectively increasing the storage capacity of the DRAM chip. Simultaneously, the vertical interconnect structure between the logic control chip and the DRAM chip enables high-speed, stable data transmission and a three-dimensional stacking structure, thus meeting the demands of high-performance computing, artificial intelligence, and other applications for large-capacity, high-bandwidth, and low-latency memory devices.

The invention belongs to the technical field of airship SAR fine motion compensation. The invention provides an airship SAR fine motion compensation method based on a DSP. According to the embodiment of the invention, the PGA and MD algorithms are fused, low / high order errors are compensated through the PGA, the azimuth modulation frequency is accurately estimated through the MD, and the second-order phase residual error is corrected; and a high-frequency vibration space-variant model is constructed, and a time-varying phase error estimation module is introduced, so that the improvement of azimuth and distance resolution is ensured. A self-adaptive sub-block division strategy is designed, sub-apertures are overlapped by half length, and phase error continuity is guaranteed; a parameter self-optimization mechanism is introduced, and the PGA / MD sub-aperture length, the number of samples and the number of iterations are optimized in real time in combination with scene features. A PGA + MD refined model is constructed, the long aperture characteristic is adapted, and the DSP load is reduced; a real-time priority resource scheduling strategy is designed, high-frequency access data is stored by adopting an L2 cache to reduce delay, and power consumption is controlled while high resolution is guaranteed in combination with dynamic task allocation.

The present invention relates to the field of mobile communication technology, and in particular to a patrol recorder communication connection method and terminal equipment. The method comprises the following steps: by acquiring patrol recorder data and inspection point data, calculating the distance and generating coordinate data. According to a preset trigger distance threshold, the data is screened and scene video retrieval and three-dimensional scene reconstruction are performed to generate a scene model. When the model is consistent, the inspection point data is encoded to generate a LoRa signal, which is forwarded by a gateway to realize the reporting of patrol records without abnormalities. When the model is inconsistent, the difference segmentation obtains the difference area data, and the abnormal patrol record is reported through optical frequency band transmission. Therefore, the present invention improves the convenience and flexibility of data transmission, accurately measures the distance, improves the data processing efficiency, enhances the authenticity and comprehensiveness of the scene information, and realizes high-speed, low-interference and secure data transmission by optical frequency band transmission.