1395results about How to "Avoid casualties" patented technology

The invention discloses an ARM (advanced RISC (reduced instruction set computer) machines) and FPGA (field-programmable gate array) based navigation and autonomous flight control system for an unmanned helicopter. The system comprises a PC (personal computer), an integrated navigation subsystem, a power supply module and controllers, wherein the integrated navigation subsystem comprises a sensor group; the sensor group comprises a GPS (global positioning system), a gyroscope, an accelerometer, a magnetoresistive sensor, a barometric altimeter and a sonar altimeter; the controllers include a main controller and a steering engine controller; the main controller adopts an ARM microprocessor to operate the integrated navigation algorithm and flight control PID (proportion integration differentiation) algorithm and simultaneously completes data acquisition of the GPS, the barometric altimeter and the sonar altimeter; and the steering engine controller adopts an FPGA to realize data acquisition of the gyroscope, the accelerometer and the magnetoresistive sensor and transfers the data to the main controller via a concurrent bus to carry out attitude calculation and control operation on the unmanned helicopter. With the unmanned helicopter as a carrier, the hardware environment of a whole set of flight control system integrating study of the aircraft navigation and control theory problem, data acquisition, information transfer and embedded control is set up.

The present invention discloses methods and system for coal mine downhole personnel locating and mash gas concentration dynamic monitoring, the system includes: CAN bus network, wireless sensor network and data conversion device. CAN network connects with wireless transducing network connections by data switching device, and by using wireless sensor network self-organizing, multi- skip, data acquisition and processing, and wireless communicating characteristic, the invention designs a system about out-in well personnel work attendance and moving vehicle zone location in coal mine well, and a system for monitoring gas dynamic concentration. The system and method overcome the current deficiency of operating gas monitoring system and personnel position location system respectively, not only personnel zone location and dynamic gas testing is realized, but also allocation is obtained about personnel arrangement and moving mechanical equipment before the accident, this provides reliable data for rescuing miner and avoiding second disaster.

The invention discloses a high-voltage live working robot device, which comprises a mobile automobile, a loading foldable and expandable insulating arm, a loading control device and a robot operating platform. The loading foldable and expandable insulating arm is disposed on a chassis of the mobile automobile and comprises a loading hydraulic pump station, a rotary tower, a lower arm, an upper arm, an expandable arm and the like. The loading control device comprises a lower control device and an upper control device, wherein the lower control device is arranged on the rotary tower, and the upper control device is arranged on the robot operating platform. The robot operating platform comprises an insulating bucket, a robot operating system and a mechanical arm insulator support, and a robot operating system comprises a master arm, a mechanical arm, a hydraulic servo control box and a microcontroller. An operator can stand in the insulating bucket to control the master arm and remotely control the mechanical arm to clamp a special tool, and the special tool contacts with a high-voltage line to replace operators to complete aerial live working tasks, so that labor intensity is relieved for operators, and operating efficiency and operational safety are improved.

The invention belongs to the technical field of comprehensive pipe corridors, and particularly provides a comprehensive pipe corridor intelligent operation and maintenance management platform and method. The platform comprises a mobile intelligent terminal, a pipe corridor and a control center, wherein the control center comprises a service foundation platform and an application layer taking the service foundation platform as a bottom layer framework support; the application layer and the mobile intelligent terminal communicate with each other; the mobile intelligent terminal feeds back the situation in the field pipe corridor to the control center in real time; and the control center is used for remotely guiding service personnel in the field pipe corridor to carry out corresponding operation. The problems that the intelligent pipe corridor management is scattered and low in efficiency are solved; and the management platform and method has the characteristics of rapid response, accurate coping, high visualization degree, unified standards and the like.

The invention discloses an intelligent fire-fighting robot and a control method thereof. The intelligent fire-fighting robot comprises a vehicle body and is characterized in that a power supply is arranged on the vehicle body and electrically connected with a control device, the control device is connected with a walking device, a spray device and an auxiliary device and wirelessly connected witha central control terminal, and the spray device is connected with fire extinguishing boxes containing different fire extinguishing agents; the control device communicates with the central control terminal and the auxiliary device to obtain the fire outbreak position and fire outbreak type and controls the walking device, so that the vehicle body can reach the fire outbreak position, and the control device controls the spray device to select the fire extinguishing agent matched with the fire outbreak type from the corresponding fire extinguishing box and to perform spray for fire extinguishing. The device is small in size, flexible to move, can operate with human or other devices to improve the fire extinguishing efficiency, can avoid barriers to position the fire outbreak location, realizes accurate fixed-point fire extinguishing, can automatically switch the types of fire extinguishing agents according to the fire outbreak type and can enter the dangerous area for rescue.

The invention relates to an automobile anti-collision alarm system based on pulse laser ranging, which belongs to the technical field of electronics, which is provided with a control circuit, a laser transmitting circuit, a laser receiving amplifier circuit and relevant circuits. A single chip microcomputer STC12C5A60S2 is the core of the control circuit, after laser pulse signals are in spectral processing by a spectroscope with the support of corresponding programs, one channel of the laser pulse signals is reflected by a reflector to be directly received by a PIN receiving circuit, another channel of the pulse laser signals is reflected by an automobile ahead, and then is received by the APD (avalanche photo diode) laser receiving circuit, after receiving time of each of the channels of the laser pulse signals is accurately corrected by a discriminator circuit, the channels of the laser pulse signals are transmitted to the single chip microcomputer master control circuit to be processed, the distance from an automobile with the automobile anti-collision alarm system and the automobile ahead is monitored in real time, and the system can give a sound and light alarm when the automobile is in danger, simultaneously reminds a driver of controlling automobile speed in a voice manner and keeping the distance from the automobile to the automobile ahead. In addition, when necessary, the system outputs brake signals to control the automobile to brake. Besides, the automobile anti-collision alarm system is large in measurement range, high in directivity, interference resistance, precision and practicality, fast in response time and simple in structure, and has high economic benefit and social benefit.

The invention discloses a spherical robot with vision and arms on two sides. The spherical robot comprises a spherical shell, two lateral arms, a lifting photographing device, a movement driving system and a support stabilizing mechanism, wherein, the spherical shell consists of a lifting top spherical crown, a left spherical crown, a right spherical crown, a unlifting bottom spherical crown and a middle spherical shell. The lower part of the top spherical crown is provided with the photographing device which can lift and rotate by 360 degrees in a plane; the left spherical crown and the right spherical crown on two sides of the spherical robot are respectively provided with one or a plurality of 3-DOF (degree of freedom) mechanical arms which can respectively extend out of the shell; and the bottom spherical crown is provided with a mechanism which can make a sphere stand stably. The spherical robot is a mobile robot provided with a vision sensor and can carry out complex operations and have the flexible kinetic characteristics.

The invention discloses a method for automatically determining a rescue path of an expressway network. The method comprises the following steps of: 1, after a traffic accident, acquiring information of an accident site, information of peripheral emergency rescue points and information of a road network; 2, searching a path which has the shortest distance from a peripheral rescue point to an accident point and serves as an initial backup rescue path from the expressway network according to the position of the accident point and the position of the peripheral rescue point; and 3, determining a traffic stream direction influenced by the traffic accident according to lane occupied positions and traffic stream directions of the occupied lanes on the accident site, and acquiring a road condition of the accident site, the number of jammed lanes of the accident site and the position of the accident point. By the method, a rescue path decision scheme in the expressway network of emergency resources can be generated automatically, so that the emergency resources can be transported to the accident site immediately, the emergency rescue efficiency can be improved, and casualties and property loss can be reduced.

The invention discloses a belt conveyor automatic inspection system and method based on a multi-rotor unmanned aerial vehicle, and belongs to a belt conveyor fault inspection system and method. The automatic inspection system consists of a multi-rotor unmanned aerial vehicle, an unmanned aerial vehicle ground workstation and a navigation identification, wherein the multi-rotor unmanned aerial vehicle comprises an unmanned aerial vehicle body, an unmanned aerial vehicle navigation system, an unmanned aerial vehicle inspection system, an airborne power supply and a wireless signal transmitting terminal; the unmanned aerial vehicle ground workstation comprises a multifunctional computer and a wireless signal receiving terminal; the flight path of the unmanned aerial vehicle can be determined by identifying the navigation identification by the navigation system; a carrier roller on any position of the belt conveyor can be monitored by the inspection system; a monitoring signal is sent to the unmanned aerial vehicle ground workstation. The inspection method comprises a navigation method and an inspection method. A navigation mark is overlaid to automatically inspect the carrier roller of the belt conveyor, so that the abnormal state of the carrier roller can be detected in time, and more severe economic loss and casualties can be avoided. The belt conveyor automatic inspection system has the advantages of simple structure, good detection effect and time and labor saving.

The invention provides a traveling information sharing system which is connected with a servo unit and installed on a first vehicle. The traveling information sharing system comprises a short-range network module and a remote-range network module, wherein the short-range network module is used for enabling the first vehicle to build local area network connection with a third party vehicle to achieve data transmission among vehicles; and the remote-range network module is used for enabling the first vehicle to build network connection with the servo unit to achieve data transmission between the first vehicle and the servo unit. When the first vehicle needs to acquire the road condition information around the third party vehicle, the remote-range network module builds network connection with the servo unit to obtain the network address information of the third party vehicle, and the short-range network module builds local area network connection with the third party vehicle according to the network address information to obtain the road condition information. The traveling information system reduces the load of data transmission between the servo unit and the vehicles to a certain extent and further improves the instantaneity and smoothness in sharing of the traveling information.

The invention discloses a composite fault diagnosis method and device based on a deep decoupling convolutional neural network. The method comprises the following steps: 1, data set collection and calibration: respectively collecting vibration acceleration signals under single and composite fault experiment conditions of a rotary machine to obtain a plurality of samples, respectively forming a training set and a test set, and respectively setting category labels; 2, building a one-dimensional deep convolutional neural network model; 3, constructing a decoupling classifier with a multi-label output characteristic under a keras framework; 4, training a network model, and finally obtaining an optimal deep decoupling convolutional neural network model; and 5, performing intelligent diagnosis and classification on the composite fault, and outputting to obtain a real-time diagnosis result of the composite fault. According to the method, on the premise that only a single fault signal is used for training the deep decoupling network model, each single fault feature in the composite fault signal is extracted, and decoupling and classification of the composite faults are achieved through a decoupling classifier.

The invention relates to a help calling method and a help calling system of emergent accidents. The help calling system comprises an accident triggering module, an accident judging module, an information processing module, an on-site help calling module and a remote communication module. When emergent accidents such as traffic accidents and acute illnesses and the like occur, a prompt message with fixed-length time is generated by the accident judging module and the information processing module of the help calling system carried by a party; the party determines whether to call for help during the period; if the party loses behavior ability, the help calling system can carry out on-site and remote call for help by the on-site help calling module and the remote communication module after the prompt expires, wherein the remote help calling module transmits the accident occurring information to accident processing centers, relevant curing hospitals and relevant preset communication group devices through a communication service provider communication network cable or a non-communication service provider protocol and equipment; and the relevant curing hospitals simultaneously transmit the curing information to the relevant preset communication group device and a help calling system terminal.

The invention discloses a human body falling intelligent control system comprising at least one image acquisition module used for acquiring video images and an image processing module connected to the image acquisition module. The image processing module is used for carrying out human body mode identification on the acquired video images, establishing a 2D or 3D model for an identified human body mode and then determining whether falling occurs by tracking a human body mode signal changing speed or angle after modeling. If the falling occurs, an alarm module is controlled to carry out alarming. Through cameras and audio signals, data is acquired, and tracking of a moving object is conducted. The 2D or 3D model is established. Then through comparative analysis of the speed, the angle and associated help seeking sounds, the falling behavior is determined. An alarm is emitted and the comparison succeeds. Human brake or automatic brake singles, etc. are emitted to control operation of related equipment. The identification speed is fast; the accuracy is high; and harms brought by falling can be reduced to the limit.

The invention specifically relates to a supporting method of a laneway under multiple goafs in an ultra-close coal seam group, which can be used for solving the problem of incomplete support of the laneway under the multiple goafs in the ultra-close coal seam group. The supporting method of the laneway under the multiple goafs in the ultra-close coal seam group comprises the following steps: performing preparation work, performing temporary supporting, laying a steel wire mesh, loading steel beams, mounting an anchor rod of a top plate, mounting the anchor rod of an upper part, mounting an anchor rope of the top plate and the like. By utilizing the effective supporting scheme according to the invention, the technical difficult problem of supporting the laneway under the multiple goafs in the ultra-close coal seam group in Datong mining area is solved, and the great safety economic effect and the great social benefits are achieved.

The invention relates to a predicting method of the leakage rate of a bolted flange connection structure with an anti-loosing washer. Aiming at the defect that the leakage rate of the prior bolted flange connection structure with the anti-loosing washer can not be predicted, by establishing the deformation compatibility equation of the bolted flange connection with the anti-loosing washer and calculating the pretightening force and the working stress of a gasket, and according to the tightness principle, the predicting method of the leakage rate of the bolted flange connection structure with the anti-loosing washer is established, so that the prediction of the leakage rate of the connection structure is realized. The predicting method of the invention has simple calculation principle and method and accurate prediction result, and can be widely applied to the prediction and calculation of the leakage rate of the connection structure in the circumstance of high temperature and high pressure and larger fluctuation of temperature and pressure.

The invention belongs to the technical field of safety devices for earthquake disasters, and relates to an intelligent earthquake bed which solves the technical problems of complicated structure, low work stability and the like in the prior art. The earthquake bed comprises a bedstead, wherein two bed board shafts which are distributed along a long shaft of the bedstead are arranged on the bedstead; a bed board is fixed on each bed board shaft; a power mechanism capable of enabling two bed boards to rotate in an opposite direction and enabling a human body positioned on the bed boards to fall into the bedstead is arranged between the bedstead and the bed board; after the human body falls into the bedstead, the bed boards can be driven by the power mechanism to cover over the human body; the power mechanism is connected with a control circuit; and a pressure sensor and an earthquake sensor are connected to the control circuit. The intelligent earthquake bed has the following advantages of: reasonable design, simple structure, high automation degree, convenient operation and use, high safety performance, capacity of effectively protecting the human body when an earthquake occurs and avoiding injuries and deaths, high work stability, stable rotation of the bed boards, and no damage to the human body when the human body falls.

This invention features a kinetic energy rod warhead including a projectile core including a plurality of different size projectiles, an explosive charge about the core, and at least one detonator for the explosive charge.

The invention relates to an automatic generation method of emergency resource scheduling schemes in the expressway network. The method comprises the following steps: S1: information of site of accident, information of surrounding emergency reserve resources and road network information are collected when traffic accidents occur, wherein the information of site of accident comprises a location of an accident, demanded kinds and quantity of emergency resources, and the information of surrounding emergency reserve resources includes locations of all emergency resource reserve sites and kinds and quantity of emergency resources at each reserve site. The method has the advantages that after traffic accidents occur in the expressway network, a scheduling scheme of emergency resources can be automatically generated according to the distribution of emergency reserve resources by combining with the changes in factors of traffic flow of the expressway network, weather conditions and demand of emergency resources; and the method can ensure that the emergency resources can be transported to the site of accident timely and reliably, therefore, the efficiency of emergency disposal is improved, and the causalities and property loss are reduced.

The invention discloses a system and a method for monitoring subway tunnel construction management based on Internet of Things. The system comprises a mobile terminal device, a remote central control center, a main control unit, a plurality of data acquisition units and a plurality of Zigbee terminal nodes. The main control unit comprises a wireless communication module, a man-machine interaction module, a power supply module, a Zigbee network module and a micro-control unit core module (MCU 1 core module). Each data acquisition unit comprises a power supply module, a MCU 2 core module and a data acquisition module. After the initialization of the system is succeeded, the remote central control center is used to select either a hand-operated mode or an automatic mode to be communicated with the main control unit and the data acquisition units, and control and query instructions are sent to obtain information of various sensors in the system for monitoring the subway tunnel construction management. The system can timely monitor subway tunnel environments and construction personnel to effectively reduce probability of accidents.

The present invention provides an unmanned cleaning device which comprises a body of the cleaning device. The inner part of the body is provided with a processor, a memory, a motor controller and an ultrasonic sensing module which are connected with the processor. The memory is stored with path parameters, and the unmanned cleaning device moves along the prearranged path. The motor controller is used for controlling the motor of the unmanned cleaning device. The ultrasonic sensing module is used for detecting the state of the road surface. The invention has the beneficial effect that the path parameters are stored beforehand in the memory to realize the unmanned automatic road recognition running of the cleaning device is realized. The ultrasonic sensing module is adopted to realize the automatic detection and automatic braking of the cleaning device. Additionally, the cam is used for collecting information. The wireless transmission module is connected with the central controller. The remote monitoring to the cleaning device is realized. In this way the unmanned cleaning device is realized and the casualty of the operator is totally avoided.

Provided is a method for active explosion proofing and explosion suppression through high-pressure inert gas. The method for active explosion proofing and explosion suppression through the high-pressure inert gas is applicable to prevention and suppression of gas explosions in a closed pipeline without external decompression space, and is particularly applicable to prevention and suppression of gas explosions in a coal mine. The method for active explosion proofing and explosion suppression through the high-pressure inert gas comprises the steps that wall grooves are constructed in a mine laneway, and a high-pressure gas source and a signal receiving and processing system are installed; a plurality of ejectors are distributed on the laneway side and a roof in an array mode at intervals, the ejectors are communicated through high-pressure rubber hoses, and pressure sensors which are connected with the signal receiving and processing system are arranged in the portions, on the two sides of each ejector, of the laneway respectively, wherein the laneway side and the roof are arranged on the same section of the mine laneway; the sensors are installed in the laneway, and receive shock wave signals, and the high-pressure inert gas source ejectors and connecting pipelines of the high-pressure inert gas source ejectors are installed; when the gas explosions happen, the sensors detect the forwards-moving shock wave signals, a solenoid valve is started, gas of the high-pressure inert gas source is ejected through the ejectors, a high-pressure inert gas curtain is formed in the laneway, and spread of explosion shock waves is obstructed.

The invention relates to an existing building surrounding type story-adding structure and a construction method thereof, and belongs to the field of structure seismic strengthening. According to the invention, outer covering type steel structures are added on the periphery of an existing building, and the steel structures surround the existing building and are connected end to end on the plane, so that the horizontal seismic load of the whole structures can be effectively increased. According to the invention, when newly added load-bearing type steel columns of the surrounding type structures exceed the top part of the existing building, load-bearing cross beams are arranged and connected with the newly added load-bearing type steel columns. The whole load at the upper parts of the newly added load-bearing cross beams is transmitted to the newly added load-bearing type steel columns and then the foundation. The surrounding type story-adding technology enables the new structures and the old structures to be closely connected in a hinged or rigid manner, so that the structure stability is increased, the stress system of the whole structure is reasonable, and the safety and the reliability of the whole structure are ensured. Through existing building surrounding type story-adding construction, the present problem about housing difficulty of people is solved and meanwhile a great deal of land resource of the nation is saved.

The invention discloses a bottom water filtering system and further discloses an imitated ecological recirculating aquaculture and propagation system and a method for promoting natural propagation of migratory fish by adopting the recirculating aquaculture and propagation system. By adopting the method and establishing the recirculating aquaculture and propagation system suitable for integrated growth, development and spawning of the migratory fish, breeding and propagation functions are effectively integrated, and synergic regulation of ecological factors which are necessary during maturation of the migratory fish, especially reeves shad is optimized, so that sexual glands of bred parent fish can synchronously develop and mature under the appropriate, coordinative and controllable ecological conditions, the parent fish can naturally spawn without artificial spawning, and injuries, deaths and gonad development interference caused by hormone injection and catching operation are avoided. The method for promoting the natural propagation of the migratory fish by adopting the recirculating aquaculture and propagation system is simple, reliable and effective and is the key for propagation technology industrialization of the migratory fish, especially the America reeves shad.

The invention relates to a medical emergency treatment method and system. The emergency treatment system is composed of a distress part and an emergency treatment apparatus receiving part, wherein the distress part comprises an accident triggering module, an accident judging and information processing module, an on-site distress module, a remote communication module and the like; the emergency treatment apparatus receiving part comprises a remote communication module, an information processing and on-site alarming module and the like. When emergent disease accidents such as entricular fibrillation, myocardial infarction and the like happen, a promoting message lasting for a fixed period of time is generated by the accident judging and information processing module and a patient determines whether to ask for help or not during the period; if the patient loses the disposing capacity, the emergency treatment system gives an alarm to an on-site and / or nearest and available emergency treatment apparatus or / and an emergency treatment center through the on-site distress module and the remote communication module in a wire or / and wireless communication way after the promoting period runs out, so that medical care personnel can obtain the accurate medical treatment information and rush to the scene to treat relative affairs and can recoup losses of medical accidents as much as possible.

The invention discloses an automobile door exercise intervention type anti-collision control method. A moving object behind an automobile is detected through small-beam-angle ultrasonic wave radar installed on the position of a rearview mirror, lock control over an automobile door is carried out according to the movement condition of the moving object behind the automobile body, obstacles on the two sides of the automobile body are detected based on the laser triangulation measurement principle, the opening positions of automobile doors are limited according to the positions of the obstacles on the two sides, and therefore the automobile doors are prevented from colliding with the obstacles when opened. The defect that parking and door opening immoderately depend on people is overcome, safe avoidance is completed by adopting an automatic mechanism, and therefore information interaction which is difficult to achieve by only depending on people originally is achieved.

The invention discloses a comprehensive integrated mine dispatching communication system. The comprehensive integrated mine dispatching communication system comprises an integral dispatching platform, a dispatching platform and multiple functional systems, wherein the integral dispatching platform, the dispatching platform and the multiple functional systems constitute a local area network. The integral dispatching platform comprises a network switch, a dispatching host and a network management host. The dispatching platform monitors and dispatches the multiple functional systems through the local area network. The multiple functional systems comprise the wired dispatching communication system, the wireless dispatching communication system, the emergency broadcast communication system, the audio / video linkage system, the video dispatching system and the information miner lamp dispatching communication system. According to the comprehensive integrated mine dispatching communication system, the multiple functional systems are integrated through a universal IP network, the multiple systems can be commanded, dispatched, managed and maintained universally, and the multiple systems can independently operate; when an emergency occurs, multi-lateral cooperation, resource sharing and cooperative dispatching can be achieved.

The invention discloses an automobile tire burst prevention controller on the basis of the electrical power steering and relates to an automobile safety control device. The automobile tire burst prevention controller on the basis of the electrical power steering comprises an ECU (Electrical Conversion Unit) processor, a data acquisition part, a data processing part, a tire burst display part, a tire burst alarm part, a motor steering control part, a power supply circuit, an upper communication circuit and a fault diagnosis circuit. In the case of tire burst, the tire burst alarm part is started and tire burst information is displayed by the tire burst display part; a steering wheel is detected whether to steer and a steering direction and a steering angle of the steering wheel are detected by the data acquisition part; if the steering wheel does not steer, a steering system of a vehicle is directly controlled to carry out tire burst prevention control by the motor steering control part; if the steering wheel steers, the steering direction, the steering angle and turning velocity information of the steering wheel need to be detected so as to provide parameters for correcting a steering declination angle, then the steering system of the vehicle is controlled by the motor steering control part, and by controlling the steering system of the vehicle, the vehicle is kept moving in the original driving direction after the tire is burst so that the vehicle is avoided being out of control and being deflected when the tire is burst.

The invention discloses a method and equipment for identifying a mining water source. The method comprises the following steps of: establishing a water source sample warehouse according to the chemical characteristic of a known water source; and determining identification indexes, and judging the type of an unknown water source. Correspondingly, the invention also discloses equipment for identifying the water source. Through the method and the equipment, chemical components of underground water in mine water-bearing strata are measured simply and quickly, and the unknown water burst source can be judged accurately in real time so as to prevent water hazards in coal mine from occurring, avoid economic loss and casualties which are caused by water burst accidents and guarantee the safety production of the coal mine.

The invention provides a highway geological disaster multi-source information monitoring and pre-warning device. The highway geological disaster multi-source information monitoring and pre-warning device comprises an information acquisition device, a video monitoring device, a cloud database and a cloud controller, is used for marking the name, the position and the serial number of each point to be monitored and geological indicator allowable range values of each point to be monitored on a map, and stitching video information and embedding the video information with the map to form a monitoring video of the overall highway area to be monitored, and is also used for marking geological indicator real-time data in the monitoring video, comparing the geological indicator real-time data with the geological indicator allowable range values, and performing pre-warning when the geological indicator real-time data exceed the geological indicator allowable range values. The invention provides the highway geological disaster multi-source information monitoring and pre-warning device, which can promote the progress of highway geological disaster pre-warning, and can also produce remarkable economic and social benefits in the industries, such as traffic transportation, space information and geology.

The invention discloses an unmanned aerial vehicle system for police multipurpose surveillance. The unmanned aerial vehicle system for the police multipurpose surveillance comprises an unmanned aerial vehicle platform, a flight control platform, a ground station control system, a digital image transmission system and a three axis stability augmentation cloud platform, wherein the digital picture transmission system comprises a portable image receiver, an image collecting system, an onboard wireless digital video transmission system and an onboard transmitting antenna, the flight control platform controls the unmanned aerial vehicle platform, the flight control platform collects images or video through the image collecting system of the digital image transmission system, and the images or the video is transmitted to the ground station control system through the portable image receiver, the onboard wireless digital video transmission system and the onboard transmitting antenna. The unmanned aerial vehicle system for the police multipurpose surveillance can accurately, effectively and timely complete real-time surveillance and effectively return real-time sound, video and picture information, can complete and implement the real-time surveillance and return the real-time information especially in severe environments and areas, where people difficulty reach or approach, timely performs judgment analysis according to the real-time information, reduces economic losses, and avoids personal injuries and deaths.