3929results about How to "Realize the collection" patented technology

The invention discloses an automatic machine for collecting and sorting plastic soft bottles. The device comprises a conveyor for plastic bottles, soft bottles or soft bags, as well as a machine frame, wherein a traction device moving horizontally is arranged above the machine frame; a bottle clamping device connected via a lifting cylinder is arranged on a moving trolley of the traction device; the traction device, the lifting cylinder and the bottle clamping device are connected with an electric control device with electrical automatic control; a product collecting device is arranged below the machine frame beside the conveyor; and the electric control device controls the bottle clamping device to make vertical up-down lifting movement under the drive of the lifting cylinder and to make horizontal translating movement under the drive of the traction device, and controls the bottle clamping device to clamp a product input by the conveyor, to transfer the product to the product collecting device through the lifting cylinder and the traction device and then to unclamp the product. The machine can clamp, lift and translate plastic bottles, soft bottles or soft bags input by the conveyor to a preset distance, drop and put the bottles or bags into the product collecting device.

Example embodiments of a large dynamic range sequential wavefront sensor for vision correction or assessment procedures are disclosed. An example embodiment optically relays a wavefront from an eye pupil or corneal plane to a wavefront sampling plane in such a manner that somewhere in the relaying process, the wavefront beam from the eye within a large eye diopter range is made to reside within a desired physical dimension over a certain axial distance range in a wavefront image space and / or a Fourier transform space. As a result, a wavefront beam shifting device can be disposed there to fully intercept and hence shift the whole beam to transversely shift the relayed wavefront.

The invention discloses a smart city establishing method based on an IOL (Internet of Lamp) sensor group and cloud computing. A great quantity of sensor clusters of different types is distributed on each key node of a city; the sensor clusters are connected with the IOL; the sensor clusters of different types are gathered to an integrated controller through the IOL; the integrated controller is connected with a smart city cloud platform server; the smart city cloud platform server is connected with a management system of each field of the city; and the management system of each field of the city selects and controls the sensor cluster associated with the field according to business processes. An internet+ concept is applied, various types of city state operation and maintenance sensors including a great quantity of infrastructures, environmental geographic information, the disaster situation of a disaster, video acquisition and the like are plugged in the IOL to collect the current operation state big data of the city, real, accurate and dynamic data support is provided for each application field, and a big data analysis system is established in each application platform and assists city managers to scientifically generate a city management strategy.

The invention relates to a log acquisition device and a log acquisition method. The device comprises at least one client for collecting logs and at least one server for recording the logs, wherein log information is transmitted between the client and the server through a network in real time. The method comprises that: the client generates the log information, writes the log information into a disk file of the client, reads the log information from the disk file of the client, and sends a connection request to the server; after receiving the request, the server establishes network connection with the client and receives the log information; the server sends the received log information to a server log writing module and a server log writing database module; the server log writing module writes the log information into the disk file of the server; and the server log writing database module writes the log information into the database. When the device and the method of the invention are used, the data analysis is more real-time, and the distributed acquisition of the logs is realized.

The invention relates to a demonstration process for recovering a waste and old dynamic lithium iron phosphate cell in an environmental protection mode, which belongs to the technical field of recovery of the power lithium iron phosphate cell. The method comprises the following steps: completely discharging the cell, extracting an electrolyte in the cell, adding a certain amount of solvent or displacement liquid, standing for 30 minutes and extracting the inner liquid of the cell, and distilling the extracted electrolyte to obtain the liquid for cycle usage when the electrolyte is displaced. According to the invention, the cell is cut by 1cm at the position along the cell top through a water jet, an electrical core is taken, wherein the steel casing, or aluminium casing or a PP plate can be directly recovered for usage. The anode, the cathode and a diaphragm are separated, and the diaphragm can be directly recovered through cleaning by ethanol. After the anode and the cathode are separated through physical methods such as ultrasound, a copper foil and an aluminium foil can be directly recovered, anode and cathode powder can be reused to be a cell material through high temperature treatment, and the purposes of no waste and no pollution can be reached by recovering the elements through a chemical method.

The invention provides a liquid-based friction generator, a power generation method and a sensor. The friction generator comprises a friction layer of which the upper surface is provided with a first conductive element in a contacting manner, and a liquid into which a second conductive element is immersed; the lower surface of the friction layer and the upper surface of the liquid are arranged in a face-to-face manner; at least one part of the lower surface of the friction layer can be separated from the upper surface of the liquid after contacting with the upper surface of the liquid; and electric signals can be outputted to the outside through the first conductive element and the second conductive element. Correspondingly, the invention also provides a sensor and a friction power generation method. According to the friction generator, friction power generation of the liquid and the solid friction layer and electrostatic conduction principles are utilized; and the liquid and solid contact-based friction generator is designed and is simple in structure, and can collect mechanical energy generated by liquid fluctuation, and convert the mechanical energy into electrical energy, and has a broad application prospect.

The invention discloses a chip software and hardware simulation environment based on the UVM and the FPGA. The simulation environment comprises an FPGA verification platform, a UVM verification platform and an IP standard model. The IP standard model is connected with the FPGA verification platform, and the FPGA is driven to perform simulation verification and sends the FPGA verification result as scene environment configuration to the UVM verification platform. The UVM verification platform is connected with the IP standard model and calls an algorithm in the IP standard model to perform UVM simulation verification to the FPGA verification result. According to the chip software and hardware simulation environment based on the UVM and the FPGA, the IP standard model is connected with the FPGA verification platform and the UVM verification platform, and the software and hardware simulation environment which performs FPGA verification and UVM verification simultaneously is prepared. The FPGA verification focuses on the chip application layer and completes verification of a chip code to a lot of random excitation scenes; the UVM verification focuses on the chip bottom layer and performs further verification to the FPGA verification result by directly calling the algorithm in the IP standard model; the two kinds of verification are mutually matched, the verification period of the chip is accelerated, and the chip verification quality is improved.

The invention discloses an intelligent vehicle positioning and road mark identification system based on a camera. The system comprises an image collecting module, an FPGA core control coding module and a data processing module, and the image collecting module is connected with the FPGA core control coding module which is connected with the data processing module; the image collecting module is used for collecting image information around a vehicle; the FPGA core control coding module is used for conducting lossless compression on the information collected by the image collecting module and transmitting compressed video to the data processing module; the data processing module divides the video to form image frames, target areas in the image frames are extracted, and identification is conducted on vehicle, pedestrian and road mark information; the distance of a target and the vehicle is judged according to the physical property of the target. The system is compact in structure, capable of adapting to vehicles of various types and conducting further depth development according to corresponding video information and high in expandability.

The invention provides a robot for cleaning vertical props, which is composed of a climbing part and a cleaning part. The climbing part comprises two pairs of mechanical arms (3) which are used to clamp tightly rod bodies in turn, a crank and connecting rod mechanism which is used to produce expanding movements and contracting movements, a cam linking mechanism which is used to adjust the expanding movements and the contracting movements, and a motor which is used to provide power for the expanding movements and the contracting movements above, wherein the two pairs of mechanical arms, the crank and connecting rod mechanism, the cam linking mechanism and the motor are evenly installed on a guiding bar (1) which is used to substitute a human body framework, and thereby the robot which imitates climbing movements is formed. The cleaning part comprises two pairs of cleaning brushes (5) which are installed on the guiding bar and always embayed around the cleaning vertical props, injectors (4) which are arranged respectively on upper cleaning brushes, wherein the cleanings of the vertical props can be realized under the effects of water currents which are injected by the injectors and scrubs of the cleaning brushes, and sewage water after being cleaned is flowed into a sewage water collecting ring (15) which is on the bottom of the vertical props along the vertical props. The invention has the advantages of compact structure, convenient use, low energy consumption, high efficiency and non-environmental contamination, and the invention saves labor and material resources. The invention can be used for cleaning operations of the vertical props or tilting bars.

The invention relates to a voice recognition method, a voice recognition device and a voice recognition system. The voice recognition method comprises the following steps: preprocessing picked voice data to obtain preprocessed voice data; extracting voice features in the preprocessed voice data; matching the voice features with a local voice feature database, and if the matching is unsuccessful, sending a first voice recognition request to a target server; receiving a first voice recognition response which includes the matching result of the voice features and the local voice feature database through the target server returned by the target server and sending a second voice recognition request to the target server when the first voice recognition response presents that the matching is unsuccessful, and receiving a second voice recognition response returned by the target server, wherein the second voice recognition response comprises a voice recognition result obtained after the preprocessed voice data is sent to a manual translation terminal to be manually translated. According to the technical scheme of the embodiment of the invention, the voice recognition rate of an intelligent terminal is greatly improved.

The invention relates to a solid material unpacking machine, in particular to a full automatic unpacking and unloading machine, which is characterized in that: all stages of mechanisms are connected through flanges; a bag breaking mechanism, a screening mechanism and a material output mechanism are arranged on a main body frame; the outer surface of the main body frame is connected with a surface panel in a splicing mode; the surface panel on the top of the main body frame is provided with a main dust removal outlet; and a channel formed from the feeding inlet end of a feeding mechanism to the outlet end of the material output mechanism and the outlet end of a waste bag output mechanism is a one-way communication channel. The full automatic unpacking and unloading machine has the advantages that the machine has high work efficiency, energy conservation, environmental protection, small volume, light weight and the like, can safely and stably separate solid materials from packages in automatic high-speed running, and convey the materials to downstream equipment, while the waste packages enter a waste bag recovery device for recovery, and the machine can particularly meet the requirements of unloading, separating and collecting toxic and corrosive powder, and particle materials.

The invention provides a power generator and a power generation method. Flowing energy of fluid especially the flowing fluid energy in the environment can be collected and converted into electricity to be directly used or stored. The power generator mainly adopts the characteristic that fluid such as water in the environment is electrified easily after rubbing other substances and the statistic conduction principle, mechanical energy of rainfall raindrops, flowing waste water in the environment and the like can be widely collected and converted into electric energy, and wide application prospects are achieved.

The invention discloses a cloud platform trusted log auditing method for privacy protection based on a trusted third party, and belongs to the field of cloud computing. The method comprises the following steps: step 1: collecting a cloud platform auditing log; step 2: securely transmitting the auditing log; step 3: generating and publishing a verification data structure of a third party auditing log; and step 4 verifying the auditing logs of a cloud service provider and the cloud user. Auditing responsibility association objects are added in the auditing events of different cloud service modes(IaaS, PaaS, SaaS), reliable collection and transmission of the auditing logs are provided based on trusted hardware, auditing log verification supporting privacy protection is provided based on a hierarchical random Merkle hash tree, and the cloud auditing responsibility chasing of cloud service providers and cloud users is supported.

The invention discloses a sponge city rainwater collecting, purifying and utilizing combination system which comprises a roof rainwater collecting area, a road rainwater collecting area, a greenbelt rainwater collecting area, a water collecting and sand settling tank, a purifying device and an impounding reservoir. An evaporation preventing layer, a soil layer, a water supply layer and a purifying layer are sequentially arranged on the roof rainwater collecting area from top to bottom. Transverse and longitudinal water collecting pipes are arranged in a bottom gravel layer of the road rainwater collecting area. An evaporation preventing layer, a soil layer, a rough sand layer and a purifying layer are sequentially arranged in the greenbelt rainwater collecting area from top to bottom. A filtering grid is arranged in the middle of the impounding reservoir, a water inlet hole and a water overflow hole are formed in the upper portion of the impounding reservoir, and a water drawing pump is arranged at the bottom of the impounding reservoir. The city environment can be greened and beautified, city rainfall flood pressure can be relieved, pollutants in rainwater can be absorbed, water resources can be saved, the rainwater utilization efficiency can be improved, and important reference significance is achieved on sponge city non-point source pollution control and city water shortage relieving.

The invention specifically relates to an individualized learning-oriented educational resource recommendation method and system. The method comprises the following steps of: S1, acquiring basic characteristic data of learners and establishing a resource interestingness model and a learning style model of the learners according to the basic characteristic data, wherein the basic characteristic data comprises identity information, learning behavior records and educational resource operation records of the learners; S2, establishing a learner characteristic model according to the resource interestingness model and the learning style model; S3, calculating the similarity between different learners or the similarity between different educational resources according to the learner characteristic model; and S4, generating a target learner-oriented educational resource recommendation result according to the similarity between different learners or the similarity between different educational resources. Through the technical scheme provided by the invention, the target learner-oriented education resource individualized recommendation can be realized.

Example embodiments of a large dynamic range sequential wavefront sensor for vision correction or assessment procedures are disclosed. An example embodiment optically relays a wavefront from an eye pupil or corneal plane to a wavefront sampling plane in such a manner that somewhere in the relaying process, the wavefront beam from the eye within a large eye diopter range is made to reside within a desired physical dimension over a certain axial distance range in a wavefront image space and / or a Fourier transform space. As a result, a wavefront beam shifting device can be disposed there to fully intercept and hence shift the whole beam to transversely shift the relayed wavefront.

The invention relates to a piezoelectric-static composite micro machine vibration energy collector and a manufacture method of the collector, and relates to an energy collecting device. The piezoelectric-static composite micro machine vibration energy collector comprises a chip main body and a chip external circuit, wherein the chip main body is of a three-layer laminated structure, and the chip main body comprises an upper glass piece device, an SOI (Silicon On Insulator) piece device, a lower glass piece device, a piezoelectric ceramic wafer device, a piezoelectric ceramic wafer electrode and a variable capacitance plate electrode. The chip external circuit is provided with a rectification circuit, a filter capacitor, a first switch, a second switch and an energy storage capacitor, or is provided with a rectification circuit, a filter capacitor, a first switch, a second switch and an energy storage capacitor and a variable capacitance plate starting power supply. The manufacture method comprises the following steps of: manufacturing the lower glass piece device; manufacturing the SOI piece device; manufacturing the upper glass piece device; assembling; and connecting the chip external circuit. According to the collector and the manufacture method, the process is simple, the defects of poorer device stability and performance and the like caused by,manufacturing a PZT (Piezoelectric Transducer) by using the traditional sol gel can be overcome, and wide band and high efficiency collection of energy can be realized.

The invention provides a two-stage storage method combined with an RDBMS (relational database management system) and Hadoop cloud storage. The two-stage storage method is characterized in that the front end adopts the RDBMS, and the back end adopts a Hadoop cloud end; the front end is used for collecting small files of structured data and storing in a database of the RDBMS; and when the capacity of the database achieves a certain quantity, the whole database can be used as a large file to be written into the Hadoop cloud end for storage, the database is simultaneously emptied, and the database can continuously accept the writing of the new data. According to the two-stage storage method provided by the invention, the lightweight relational database is utilized for meeting high-efficient writing and large-scale concurrent access requirements of the structured data, and the RDBMS can further automatically merge the mass small files into the large file so as to avoid the inconvenience caused by developing a tool for merging the small files; and the Hadoop cloud storage is utilized for realizing high-efficient storage of the mass files of the large database, so that the defects of Hadoop can be avoided, and the advantages of the cloud storage can be further fully utilized for realizing high-efficient storage and management. As long as the data meets the structuring requirements, the technical scheme provided by the invention can be used for high-efficient storage, and the two-stage storage method has certain universality.

The invention relates to the field of functional materials, and in order to solve the problem that a common sponge material possesses hydrophilicity and greatly limits separation of an oil-water mixture, the invention provides a preparation method for a super-hydrophobic super-oleophylic sponge material. According to the preparation method, a modified Fe3O4 particle is firstly prepared, and then the super-hydrophobic super-oleophylic sponge material is prepared. The bonding fastness between a coating material and a substrate material is improved, and the super-hydrophobic super-oleophylic sponge material with applied magnetic-field response function characteristic is prepared and used for efficient separation of a mixture of oil or an organic solvent and water, and application of super-hydrophobic super-oleophylic materials in industrialized production is promoted.

The invention discloses a method for obtaining the car loading capacity without additional mounting of a sensor. Devices used in the method comprise a car-mounted terminal, a central server and a carCAN bus. The car CAN bus is connected with the car-mounted terminal through a data cable to transmit three CAN parameters of the engine torque, the gearbox speed ratio and the car speed which are generated in real time to the car-mounted terminal. The car-mounted terminal is connected with the central server through a wireless network to real-timely report the collected CAN parameters to the central server. According to the method, the car loading capacity value can be calculated through a reversal estimation model of a car travelling equation by combining with information such as the car tireradius and the rear axle speed ratio according to the CAN parameters collected by the CAN bus, the loading capacity information can be collected without additional mounting of any external device, and the method has important development value when being applied to the technical field of fleet management.

The invention discloses a fuel cell cold start anode purging device and a purging method, which solve the problem of hydrogen waste in fuel cell purging in the prior art, and have the beneficial effect of ensuring stable output of fuel cell stack performance. The fuel cell cold start anode purging device comprises a nitrogen purging system and a pressure release valve. The nitrogen purging systemcomprises a nitrogen container, wherein the nitrogen container can be connected with a fuel cell stack inlet; a fuel cell stack outlet can be connected to an inlet of a three-way valve, and an outletof the three-way valve is communicated with a gas-liquid separator and a liquid storage tank; the gas-liquid separator is connected with an ejector or a circulating pump; the pressure release valve isarranged in a gas circulation system; a pressure release valve inlet can be connected with the fuel cell stack inlet; and a fuel cell stack outlet is communicated with the external environment through a liquid storage tank.

Disclosed is a code testing information collecting method and system. The method includes: deploying to-be-tested codes to a testing environment through an automatic publishing system; testing the to-be-tested codes in the testing environment to obtain code testing information which can be code coverage rate information and / or code differentiation information. The method has the advantages that the to-be-tested source codes are deployed to the testing environment through the automatic publishing system and tested so as to collect code testing information, combination of code testing information collection and automatic publishing tools, massive user intervention is avoided, code testing information are collected without being noticed by users, work load of testing staff is reduced, and efficiency is increased.

The invention discloses a server fault locating method, which comprises the following steps: BMC receives fault information sent by BIOS and records the fault information to a diagnostic log file; BMCreceives the fault information sent by BIOS and records the fault information to a diagnostic log file; an acquisition instruction issued by the operation and maintenance system is received; the diagnostic log file is uploaded to the operation and maintenance system through the SFTP protocol, so that the operation and maintenance system locates the fault of the server through the diagnostic log file. Visible, in this scheme, the fault information sent by BIOS is recorded in the diagnostic log file by BMC, which can realize the comprehensive collection of fault information; through SFTP protocol uploaded to the operation and maintenance system, the operation and maintenance system achieves the batch management of the server, and by diagnosing the log file, the cause of the fault can be quickly located, thereby saving time and labor costs. The invention also discloses a server fault locating device, a device and a computer-readable storage medium, which can also realize the technical effect.

The invention discloses a wet-type flue gas dust removal device, comprising a barrel, wherein a water inlet is formed at the upper part of the barrel, while a drain outlet is formed at the lower part. A flue gas inlet pipe is arranged at the bottom of the barrel, while an exit pipe is arranged on the upper part of the barrel. A layer of screen is horizontally arranged in the barrel from bottom upwards; a stirrer is suspended in the barrel; the stirring shaft of the stirrer is arranged vertically and a stirring paddle is arranged at the end portion of the stirring shaft, and the stirring paddle is located at the upper part of the screen; or a plurality of layers of screens are horizontally arranged in the barrel from bottom upwards, a stirrer is suspended in the barrel, the stirring shaft of the stirrer is arranged vertically, a plurality of stirring paddles with the number same as the number of the layers of screens are arranged at the end portion of the stirring shaft, and each stirring paddle is correspondingly located at the upper part of each screen. Furthermore, a sprayer is arranged at the internal top of the barrel. The wet-type flue gas dust removal device is simple in structure, low in cost, multilayer, varied in comprehensive dust removal ways and good in flue gas dust removal effect.

The invention discloses a beverage bottle recovering device which comprises a material recognizing mechanism, a puncturing and extruding mechanism, a material distributing mechanism, a crushing mechanism, a glass bottle bin, a ring-pull can bin, a plastic bin, a liquid box, a control module and a drive mechanism. The material recognizing mechanism is connected with the puncturing and extruding mechanism and the control module. The puncturing and extruding mechanism is connected with the material distributing mechanism and the crushing mechanism. The material distributing mechanism is connected with the glass bottle bin and the ring-pull can bin. The crushing mechanism is connected with the material distributing mechanism, the plastic bin and the control module. The liquid box is communicated with the puncturing and extruding mechanism through a liquid guide pipe. By the adoption of the beverage bottle recovering device, plastic bottles, ring-pull cans and glass bottles can be collected in a classified mode; meanwhile, the ring-pull cans can be pressed flat, the plastic bottles can be crushed, space occupied by materials is reduced, beverage bottles can be processed and collected in the classified mode, the number of the recovered materials is increased, and the processing cost is reduced.

The invention provides an automatic drawing device and a method, which relates to the technical field of robot drawing. The automatic drawing device and the method of the invention transform unknown environmental information into a two-dimensional dynamic raster map recognizable by a robot. When the robot moves, the raster map follows suit and updates as well, which avoids the multiple times of adjustments seen by manual drawing and the tedious work required to follow the movement of the robot, therefore, reducing the time for the robot to draw greatly. In addition, through the establishment of a quadtree model, moving targets can be clearly defined; with one time path planning on a local part of the raster map, a whole process can be done automatically, achieving high computational efficiency and simple programming. And at the same time, the robot can acquire sufficient cloud data to ensure the clarity of the map.

The invention discloses a multi-dimensional and parallel-swing sea wave power generation device. A top cover is fixedly connected with the top wall of a buoyancy box, one end of a three-degree-of-freedom movement pair is fixedly connected with the top cover, the other end of the three-degree-of-freedom movement pair is engaged with a swing rod, one end of the swing rod penetrates through the top wall of the buoyancy box and is fixedly connected with an outside device, the other end of the swing rod is fixedly arranged on an upper platform through the support of rib plates, a spring is fixedly connected with a shaft shoulder of the swing rod, six parallel hydraulic cylinders are arranged between the upper platform and a lower platform, piston rods of the six parallel hydraulic cylinders are hinged to the upper platform, cylinder bodies of the six parallel hydraulic cylinders are hinged to the lower platform, the lower platform is fixedly arranged on an oil mixture tank, the oil mixture tank is fixedly connected with the side wall of the buoyancy box, the oil mixture tank is connected with a hydraulic motor through a separating pipe and a return pipe, a generator is connected with the hydraulic motor, the generator and the hydraulic motor are arranged at the bottom of the buoyancy box, and an energy accumulator is connected with the hydraulic motor. The device has the characteristics that the service life is long, and the pollution is little; and while the energy of the sea wave in the transverse swinging is absorbed, the energy of the sea wave in the vertical direction can also be absorbed.

The invention discloses a sponge community rainwater comprehensive utilization system which comprises a hydrocone type roof rainwater collecting system, a main rainwater pipe network, an initial rainwater storage tank, a rainwater storage pool and a pumping water pump. The sponge community rainwater comprehensive utilization system is characterized in that the initial rainwater storage tank and an underground regulating pool are arranged over and under the ground respectively, and under the action that rainwater flows into a regulating mechanism, initial rainwater flowing through a water collecting pipe can flow into the initial rainwater storage tank, and later rainwater is drained into the rainwater storage pool through a water outlet pipe. A rainwater utilization method comprises the steps of collecting the initial rainwater on the roof, collecting the initial rainwater on the ground, distributing and purifying the initial rainwater, settling the initial rainwater, overflowing the rainwater, utilizing the initial rainwater, reusing the rainwater in the rainwater storage pool and collecting greenbelt seepage water. According to the rainwater comprehensive utilization system and method, when the initial rainwater storage tank is full of the water, the later rainwater directly flows into the underground rainwater storage pool, therefore, separating and distributing processing and utilizing of the initial rainwater and the later rainwater are achieved, the beneficial effect is significant, and application and popularization are convenient.

The invention discloses a complex structure variation detecting method based on a hybrid strategy. The method comprises the steps of collecting and performing statistics on inserting fragment length distribution and chain direction information of a read pair in double-end sequencing, determining a read pair contrasting chain direction, an inserting fragment length and the read pair with an abnormal chromosome through two-end read segment contrasting; identifying breakpoints by means of a hybrid strategy of a double-end mapping method, a local assembling method and a split read segment method;wherein the breakpoints are coordinates on a pair of reference genome and are adjacent in a sample and are separated in the reference genome; updating breakpoint position information according to a contrasting result, and changing the breakpoint interval which records the structure variation breakpoint information to an accurate position; wherein the structure variation breakpoint information comprises a structure variation type, a breakpoint starting position and a support read segment number; and recording the contrast quality of the read pair and the read pair number of the support breakpoints, thereby finishing accurate structure variation identification. The complex structure variation detecting method improves variation detecting precision and supplies a checkout method for complex structure variations.

The invention provides a robot autonomous navigation system, which includes a dual-laser-radar ranging module, an image acquisition module, a data fusion analysis module and a route planning module. The dual-laser-radar ranging module includes two laser radars set at different heights, and is used for detecting obstacle information in two planes at different heights. The image acquisition module is used for acquiring image information in front of a robot. The data fusion analysis module and the route planning module generate a 3D virtual map according to the obstacle information in two planesat different heights and the image information, and further generate obstacle avoidance information. The route planning module plans a moving route according to the obstacle avoidance information. Byusing the two laser radars at different heights and the image acquisition module, the robot autonomous navigation system can fully collect obstacle information around a robot, generate a 3D virtual map, and realize accurate and autonomous navigation of the robot based on the 3D virtual map.