43results about How to "Avoid personal danger" patented technology

The invention relates to the technical field of electricity, particularly provides a hot line robot and a control method thereof and aims to solve the problems that the hot line robot might bring personal danger to an operator and is low in working efficiency. Therefore, the hot line robot comprises a robot platform, a hot-line working mechanism, a walking mechanism and a lifting mechanism, wherein the hot-line working mechanism is used for performing hot-line working, the walking mechanism is used for transporting the robot platform to a working site, and the lifting mechanism is used for adjusting the robot platform. According to the control method, the hot line working track of a hot line working unit is planned according to the working image information, collected by the information collection unit, of the hot line working unit, the angle, the angular velocity and the angular acceleration value of the hot line working unit and a preset hot line working task. According to the hot line robot and the control method thereof, the hot line robot can be controlled to perform hot line working according to the specific working conditions, the personal danger to the operator is avoided,and the working efficiency is improved.

An unmanned aerial vehicle-borne spectral detection system includes an unmanned aerial vehicle, a communication control module, an image acquisition module, a detection module, and a navigation and positioning module. The invention realizes rapid and accurate identification of chemicals in extreme or dangerous environments and complex terrains, and avoids the danger of personnel in the existing hand-held detection operations. The invention includes an unmanned aerial vehicle and a spectrum detection device. The spectrum detection device is used for qualitative and quantitative detection and analysis of infrared spectrum or Raman spectrum of the target to be measured. The spectral detection module installation position at the middle rear of the bottom of the machine can be disassembled. The ground control center acquires, calculates and analyzes the spectrum information of the target to be measured sent by the spectrum detection device. According to the collected images and satellite positioning information, the UAV can automatically fly according to the designed sampling path for sampling operations, or artificially control the flight attitude and path for sampling operations.

The invention discloses a fiber bragg grating pressure sensor capable of achieving positive and negative pressure monitoring and a testing method. The fiber bragg grating pressure sensor comprises a connector, a filter screen, a base, an outer shell, a corrugate pipe, a first fiber bragg grating, a second fiber bragg grating, an optical fiber, an optical cable connector, an armored optical cable, a brace, a flange plate, an outer shell cover and a strain beam, wherein the outer shell cover is used for protecting the optical fiber from a sealing glue sealing part to an optical cable connector part, and the strain beam is used for applying prestress. The fiber bragg grating pressure sensor capable of achieving the positive and negative pressure monitoring and the testing method are suitable for the monitoring of pressure safety of oil and gas pipelines, urban underground gas pipelines, heating power pipelines, water supplying pipelines, oil tank pipelines, oil conveying pipelines and other pipe networks, the potential safety hazards that an electronic sensor is electrified and is unsafe in nature are eliminated, and meanwhile the capacity of phases is also improved greatly; the fiber bragg grating pressure sensor is applied to the aspect of real-time online monitoring of coal and rock mass gas pressure, errors caused by single data monitoring are avoided, the sensitivity and the accuracy of the system are improved, manpower, material resources and time are saved, and meanwhile the danger probably brought by personnel on site can be avoided.

The invention discloses an automatic referee platform for javelin competition based on the Internet of Things. The javelin module I is responsible for sending the flying javelin landing signal to the server module III after the javelin has landed and stopped, and sending a landing induction signal to the field module II. etc.; the field module II is responsible for sending the javelin landing position signal to the server module III after the flying javelin stops on the playing field; the server module III is responsible for receiving the signals sent by the javelin module I and the field module II, and judging whether the javelin head is Correctly inserted into the field, calculate the flying distance of the thrown javelin, and the ranking of all players in the javelin throwing competition; the present invention can automatically and correctly judge whether the flying javelin is correctly inserted into the legal field range, and automatically judge the flying distance of the javelin, thereby avoiding The referee must go to the competition venue to bring personal danger; the competition results of all players are automatically ranked to improve the efficiency of the competition.

The invention provides a vehicle warning device which comprises a vehicle collision detecting unit. The vehicle collision detecting unit is connected with a control unit, and the control unit is connected with an upspring device, further connected with a sound-light alarm device, is connected with a power supply, is connected with a control button and is connected with a reset button. The invention further provides an accident immediate warning method. The accident immediate warning method comprises the steps that (a) an inertial sensor of a vehicle detects vehicle collision signals and compares numerical values of the collision signals with a preset value, and (b) the control unit controls a warning sign to upspring, wherein the step (a) and the step (b) are executed in sequence, and the warning sign upsprings. The vehicle warning device is mounted on a roof of the vehicle and can be found by distant vehicles more easily. According to the accident immediate warning method, the warning device does not need to be assembled and placed manually, can upspring automatically when needed and can retract automatically when not used.

The invention provides a remote automatic ignition system for an oil pool fire combustion experiment. The remote automatic ignition system comprises a movable supporting device, a movable supporting control device, an ignition device, an ignition position control device, an ignition control device and a remote control device. The movable supporting control device, the ignition device, the ignition position control device and the ignition control device are all located on the movable supporting device. The movable supporting device is used for being controlled by the movable supporting control device to move to a first preset position. The ignition position control device is used for controlling the ignition device to move to a second preset position when the movable supporting device moves to the first preset position. The second preset position is an ignition position. The ignition control device is used for controlling the ignition device to conduct ignition when the ignition device moves to the second preset position. The remote control device is used for remotely controlling the movable supporting control device, the ignition position control device and the ignition control device. By means of the system, injuries caused by manual ignition to people can be avoided.

The invention relates to a mining scraper conveyer intelligent and efficient driving system. The mining scraper conveyer intelligent and efficient driving system comprises two sets of branch control systems, wherein one set of branch control system is a main control system, the main control system is used for controlling the speed of a driving motor of a scraper conveyor, the other set of branch control system is a slave control system, the slave control system is used for controlling the moment of a driven motor of the scraper conveyor, the two sets of systems are the main and slave control systems to each other, each set of branch control system comprises a three-electrical-level PWM rectifier, a three-electrical-level inverter and a wave filter which are connected together in sequence,one ends of two-direction DC/DC current transformers are connected in super-capacitor sets, and the other ends of the two-direction DC/DC current transformers are connected in parts between the three-electrical-level PWM rectifiers and the three-electrical-level inverters. The mining scraper conveyer intelligent and efficient driving system has the advantages that an electric circuit is simple instructure, low in cost, easy to control and high in performance cost ratio, efficient utilization of the motors and electric energy thereof is realized, by means of organic combination with the super-capacitor sets, various special working conditions of the scraper conveyor can be realized more effectively, and effective utilization of regenerative energy is realized.

The invention discloses an unmanned patrol car which comprises a carrying chassis, and main control equipment, radar, antenna equipment and warning equipment which are arranged on the carrying chassis. The antenna equipment is used for receiving the satellite positioning signal, the control instruction and the warning information and sending the satellite positioning signal, the control instruction and the warning information to the main control equipment. The radar is arranged at the front part of the carrying chassis and is used for detecting the front part and outputting a radar signal to the main control equipment, and the main control equipment is used for calculating the current position according to the satellite positioning signal, controlling the carrying chassis to operate according to the current position and the control instruction and avoiding an obstacle based on the radar signal. The warning equipment is used for sending a warning signal, warning sound and/or warning content to a front coming vehicle based on the warning information. When accidents occurs on a highway, the patrol car can be controlled to move to a required position and send out warning information in real time, so that a policeman does not need to go out to place a roadblock, the labor cost is saved, and the personal danger of the policeman is avoided.

The invention discloses a mortar smearing mechanical device for constructional engineering, and relates to the technical field of mortar smearing. The device comprises first supporting structures, the first supporting structures comprise first supporting columns, first mounting grooves are formed in one side faces of the first supporting columns, and first racks are fixed to the inner bottom faces of the first mounting grooves at equal intervals; second supporting structures are in threaded connection with the top ends and the bottom ends of the first supporting columns and comprise first threaded columns in threaded connection with the first supporting columns, base plates are fixed to the ends, away from the first supporting columns, of the first threaded columns, and fixing nuts are fixed to the outer surfaces, close to the bottoms of the first supporting columns, of the first threaded columns; and second supporting columns are slidably connected to the inner side faces of the two first supporting columns, and second mounting grooves are formed in the upper surfaces of the second supporting columns. According to the mortar smearing mechanical device for constructional engineering, through use of a leveling plate, a U-shaped locking rod, the first supporting structures, the second supporting structures and the second supporting columns, and the problems that existing mortar smearing needs manual smearing, the smearing efficiency is low, the smearing and leveling quality is low, and the manual labor intensity is high are solved.

The invention relates to a mutual inductor field calibration wire-connection method which is characterized of comprising the following steps. Step 1, connect one connector lug of a calibration instrument to terminals of a ground rod, step 2, hang the ground rod on a primary bus of a mutual inductor to calibrate the mutual inductor. According to the mutual inductor field calibration wire-connection method, the ground rod has a certain length, so that a staff has no need to climb to positions equipped with the mutual inductor and avoids personal risk for high-position work when installing the ground rod on the primary bus of the mutual inductor. Besides, a mutual inductor primary device is prevented from damage, the security of the mutual inductor field calibration is effectively improved, and the efficiency of calibration work is enhanced.

The invention discloses a tire energy release method and device. The method comprises the steps that the collision speed and the collision working condition of an accident vehicle are obtained; and when the collision speed is larger than or equal to the preset speed value or the collision working condition meets the preset condition, after it is judged that the state of the accident vehicle is a serious accident state, tires of the accident vehicle are controlled to break and release energy according to the collision working condition. By adopting the embodiment of the invention, the safety of tire energy release can be improved, so that the safety of vehicle driving is further improved.

The invention discloses under-degree-of-freedom steel pipe packaging equipment, and belongs to the technical field of workpiece packaging. The packaging equipment comprises a storage rack, a correction assembly is arranged on the storage rack, the correction assembly is in sliding connection with the storage rack, a packaging arm is arranged on the storage rack, and the packaging arm is in sliding connection with the storage rack; a first electric cylinder and a second electric cylinder are arranged on the two sides of the storage rack correspondingly and rotationally connected with a first connecting rod and a second connecting rod correspondingly, one ends of the first connecting rod and the second connecting rod are rotationally connected with the storage rack, and the ends, away from the storage rack, of the first connecting rod and the second connecting rod are rotationally connected with a third connecting rod and a fourth connecting rod correspondingly. The third connecting rod and the fourth connecting rod are rotationally connected with the packaging arm, a welding assembly is arranged on the storage rack, the welding assembly is rotationally connected with the storage rack, a moving assembly is arranged on the storage rack, and the intelligent and automatic packaging device has the intelligent and automatic packaging function after the steel pipes are formed.