32results about How to "Prevent collision accidents" patented technology

The invention discloses a mobile Internet based night driving pedestrian prompt assistant system. The system includes pedestrian carried subsystems and vehicle-mounted subsystems. The pedestrian carried subsystems are carried by pedestrians. The vehicle-mounted subsystems are arranged on vehicles. The vehicle-mounted subsystems and the pedestrian carried subsystems are connected to mobile Internet. The mobile Internet based night driving pedestrian prompt assistant system of the invention is different from a conventional vehicle-mounted sensor based night driving assistant system, is introduced with the mobile Internet, greatly gets rid of the restriction of environment conditions, can deal with various situations of sudden appearance of pedestrians in the front of vehicles during night driving, provides drivers with effective prompts and assistance in various forms of coordination, and can effectively avoid collision accidents between people and vehicles during night driving caused byunclear perception of drivers.

The invention discloses an estimation method capable of calculating the bending/gradient of a road ahead. The estimation method comprises the following steps of: establishing a two-dimensional dynamic azimuth coordinate system at a position of a running automobile as an original point at first, and searching road situations of the original point and the periphery of the original point; then determining an arc length interval according to the length of the automobile and the road congestion degree, selecting a plurality of points in front of and behind the road according to a predetermined time interval between two adjacent points, obtaining coordinate values of the plurality of points on the two-dimensional dynamic azimuth coordinate system according to geographic coefficients of the plurality of points and recording the coordinate values as column vectors; fitting based on the known column vectors and obtaining a three-dimensional polynomial and a first-order derivative function and a second-order derivative function of the three-dimensional polynomial; and finally, calculating a geographic coefficient variable of each point relative to the former point, and estimating the bending/gradient of the road ahead according to the geographic coefficient variables. By the method, the bending/gradient of the road ahead can be estimated in advance so that corresponding technical measures can be taken in advance and crash traffic accidents can be avoided.

The invention relates to a car back detection device capable of preventing accidental overtaking collision, which is arranged on an automobile and comprises a plurality of ultrasonic wave sensors, animage camera at the back of the automobile and a control host, a vehicle-mounted display and an alarm module, wherein, the control host calculates the distance value of the barrier according to flighttime of the ultrasonic wave signals, and judges whether an object move to the automobile in a high speed or not from the shot image signals by the image camera at the back of the automobile; the vehicle-mounted display displays the images captured from the image camera at the back of the automobile and the distance value of the barrier calculated by the control host; and the alarm module gives out alarm voice when the control host judges that an object move towards the automobile in a high speed. The car back detection device can lead users to fully learn the distance of the back of the automobile and barriers, and matches to detect whether objects move towards the back of the automobile in a high speed, and can effectively prevent accidental collision.

The invention discloses an unmanned aerial vehicle management method and device, a computer system and a readable storage medium. The method is based on a block chain database, and comprises the following steps of segmenting a flight full image, receiving a management area map, and outputting the management area map to a working node in the block chain database; encrypting the management area mapto obtain an encrypted map, and outputting the encrypted map to a working node of a block chain database for storage; receiving the current position information, and outputting a management area map matched with the current position information; and controlling the unmanned aerial vehicle to start to enable the unmanned aerial vehicle to fly according to the management area map. According to the invention, the timeliness of obtaining the management area map and the no-fly area by the unmanned aerial vehicle is improved; the unmanned aerial vehicle can identify the latest no-fly zone, so that the accident that people collide with the unmanned aerial vehicle during installation is avoided; the malicious tampering of the management area map by equipment outside the block chain database is avoided, the strong compulsory is provided for no-fly area management of the unmanned aerial vehicle, and the efficiency of preparation work before takeoff of the unmanned aerial vehicle is improved.

The invention discloses an intelligent security robot with an anti-collision function. The intelligent security robot comprises a bottom plate, the top of the bottom plate is fixedly connected with abase, and a robot body is fixedly connected to the top of the base. A sliding rail is connected to the arc top of the outer surface of the base, sliding blocks are connected to the top and the bottomof one side of the sliding rail in a sliding mode, and baffles are fixedly connected to the outer surface of the base and located at the top and the bottom of the sliding rail. One side of each baffleis fixedly connected with one side of the corresponding sliding block through a buffer spring. The invention relates to the technical field of security equipment. According to the intelligent security robot with the anti-collision function, good physical anti-collision and intelligent system anti-collision can be realized for the security robot, the problem that the protection position of an existing anti-collision measure is limited and only active collision between a robot and the outside can be avoided is solved, the accident of active collision between outside objects and the robot is avoided, and the purpose of physical anti-collision and intelligent system anti-collision on the robot is achieved.

The invention discloses an environmental parking safety auxiliary device, which comprises a camera, a control display screen, an obstacle detecting module, a light source detecting module, a speed detecting module, a singlechip and a motor control module. Environmental images photographed by the camera are observed by the control display screen; the environmental images and surrounding environment information detected by the obstacle detecting module, the light source detecting module and the speed detecting module are combined and sent to the singlechip; and parking is assisted through the motor control module. Surrounding conditions on the front corners and in back of a vehicle can be simultaneously displayed on the display screen, so that visual blind areas on the front corners and in back of the vehicle are thoroughly eliminated, the device is easy and convenient to control, and the safety is improved.

The invention discloses an indoor space collaborative operation safety guarantee method and system. The method comprises the following steps: deploying a positioning base station indoors, and deploying a positioning alarm label and a reference label; the positioning base station obtains a positioning alarm label air pressure measurement value and a positioning data packet, and a two-dimensional positioning result is obtained through calculation according to the positioning data packet; the positioning base station obtains a reference label air pressure measurement value; the three-dimensional position resolving equipment calculates the height value of the positioning alarm label according to the air pressure measurement value and the height of the reference label, further obtains a three-dimensional positioning result, and sends the three-dimensional positioning result to the safety detection equipment; the security detection device obtains three-dimensional security model information from the security rule configuration device, and calculates the nearest distance between three-dimensional models according to the three-dimensional positioning result of the positioning alarm tag; and if the nearest distance is less than or equal to zero, it is indicated that there is possibility of collision between the three-dimensional models, and the safety detection device gives an alarm. The safety of cooperative work of indoor space operating personnel, equipment and facilities is improved.

The invention discloses a driving type expansion joint and application thereof. The driving type expansion joint includes an expansion joint main body, the two ends of the expansion joint main body are fixedly provided with end flanges, the end flange at one end is fixedly provided with a driving mechanism, and the telescopic end of the driving mechanism is connected to the end flange at the otherend. The driving type expansion joint can achieve active extension and compression, collision between a dust suction hood and a fixed pipe during movement of the dust suction hood can be avoided, andcollision accidents and equipment damage are avoided; and a gap generated after positioning and docking of the dust suction hood and the fixed pipe can be made up, the air leakage rate is reduced, the pipe ventilation and dust collection efficiency is improved, manual sealing is saved, time and labor are saved, and operation is facilitated.

The invention discloses a portable, convenient and fixed charging device for a new energy vehicle, including principals and interfaces, the upper ends of the left and right sides of the main body areconnected with suction cups, The left and right ends of the suction cup are fixed with charging tubes, and the suction cup and the charging tubes are fixedly connected; the upper and lower ends of thesuction cup are connected with plastic bars; the bottom of the main body is provided with lifting columns; and the main body and the lifting columns are welded. The portable, convenient and fixed charging device for new energy vehicles by means of a spring between the body and the rubber plate, As such, that char device and the housing of the new energy vehicle can maintain a certain work space,At that same time, the invention can avoid the collision of the outside to the char equipment of the new energy vehicle, thereby preventing the collision accident of the inconvenient operation of thevehicle, and protect the parts of the char equipment of the new energy vehicle to a certain extent. The portable, convenient and fixed charging device for a new energy vehicle also provides a coolingspace for the charging equipment of the new energy vehicle.

The invention provides a chain lifting appliance self-hanging and self-taking storage rack which comprises a supporting structure and a support, wherein a containing space is formed in the lower portion of the supporting structure, the containing space is used for containing a chain of a chain lifting appliance, the supporting structure comprises a supporting part, and the supporting part is usedfor supporting a lifting ring of the chain lifting appliance to be vertically placed; and the support is used for supporting the supporting structure. Hanging and taking are convenient, the labor intensity of workers in a taking process is greatly reduced, and the working efficiency of the workers is improved. When the workers use the chain lifting appliance, the contact between the workers and ahook head and the chain is greatly reduced, and collision accidents can be completely eradicated. And safety damage caused by lifting ring and hanging hook operation on site is eliminated.

The invention discloses an intelligent traffic guidance system of an intelligent industrial park. The system comprises a parking space data collection system, a central processing system, and an entrance guidance terminal, and the parking space data collection system is used for collecting parking space state information of the industrial park and the information of a vehicle parked in a parking space, and transmitting the information to the central processing system. In the invention, all parking space information of the industrial park is summarized and processed; an entrance planning classification module is used for carrying out classification planning processing on the positions of the parking spaces according to the positions of the entrances of the industrial park so that the entrance guide terminal of each entrance of the industrial park displays the parking space information close to each entrance in a classified manner; and parking space information is displayed in a classified planning mode so that the vehicles entering each entrance of the industrial park can park in the nearest parking space, the vehicles entering the industrial park from each entrance circulate orderly, and an internal traffic burden of the industrial park is reduced.

The invention discloses a car roof graded adjustable air resistance slow-release speed device which comprises a racing car body. A mounting groove is correspondingly formed in the top of the racing car body, a mounting ring is correspondingly arranged in the mounting groove, and a buffer device is arranged in the mounting ring; an air resistance slow release plate is arranged at the top of the buffer device, the buffer device comprises an annular shell, an annular magnet is arranged in the middle of the annular shell, cushioning air bag assemblies are evenly arranged between the annular magnetand the annular shell, the annular magnet is connected with the air resistance slow release plate, and each cushioning air bag assembly comprises a cushioning air bag; and one end of the cushioning air bag is connected with an outer air ring, one end of the outer air ring is connected with a second pressure cylinder in a penetrating mode, a second piston is arranged in the second pressure cylinder in a sliding mode, and an elastic body is arranged at the bottom of the second piston. The device is high in practicability and capable of reducing accident hazards.

The invention discloses a low-delay method for detecting mechanical arm collision by a robot. The low-delay method comprises the following operation methods: S1, firstly, performing operation on an operation terminal, and selecting an item for detecting the mechanical arm collision by the robot through a detection item selection module in a selection simulation system; S2, adopting the detection item selection module to select the speed, the displacement and the track during testing through a control module according to the selected item type; and S3, starting an infrared sensor on the robot, performing simulation detection on a robot collision model through a collision detection calculation unit in a simulation collision module, and automatically calculating a collision result by the simulation collision module after the detection is finished. Whether the mechanical arm is collided or not is judged in advance through simulation, the detection precision is high, collision accidents are avoided, a complex system dynamics model needs to be established, acceleration does not need to be measured, calculation is more efficient, and the method can be easily used for an existing system without changing the structure of the mechanical arm.

The invention relates to a household child intelligence reinforcing robot with an AI interaction function. The household child intelligence reinforcing robot with the AI interaction function comprisesa body and a connecting plate. A fixing rod is arranged in the middle of the top end of the body, and the body and the fixing rod are movably connected. A clamping groove is installed in the middle section of the interior of the fixing rod, and a shell is arranged on the side, close to the fixing rod, of the clamping groove. The inner wall of the interior of the shell and the inner wall of the interior of the fixing rod are closely attached, and a connecting rod is installed in the middle of the top end of the shell. The household child intelligence reinforcing robot with the AI interaction function has the beneficial effects that the connecting rod moves between movable bolts and a cover plate, and therefore the cover plate can be clamped between the body and the shell in a combined mode, and dust and bacteria can be prevented from existing between the body and the shell; in addition, unknown objects can be prevented from entering the child intelligence reinforcing robot when the child intelligence reinforcing robot is idle, and therefore the child intelligence reinforcing robot can be prevented from having an internal fault problem; and the child intelligence reinforcing robot can be stored in the idling process through the cover plate, and therefore the dust and the bacteria can be prevented from entering the child intelligence reinforcing robot.