197results about How to "Reduce the chance of accidents" patented technology

The invention discloses a dual-protection system and method for batteries. The dual-protection system comprises a hardware protection module, a software protection module, a drive module, a current sensing resistor and a protection switch, wherein the current sensing resistor is electrically connected with the negative electrode of a battery pack and then connected with the protection switch in series; the input end of the hardware protection module and the input end of the software protection module are electrically connected among the positive electrodes of all the batteries in the battery pack, the protection switch and the current sensing resistor, the output end of the hardware protection module and the output end of the software protection module are electrically connected with the input end of the drive module, and the output end of the drive module is electrically connected to the control end of the protection switch to control the protection switch to be turned off. The dual-protection system and method can improve the reliability of the battery pack and reduce the accident probability of the battery pack.

The invention relates to the field of industrial automatic control, in particular to an Online debugging implementation method of a compiling soft programmable logic controller (PLC). A ladder diagram translator program translates PLC ladder diagrams into a high-level language program of a special structure and calls a high-level language compiler to generate an executable module in a compiling mode, and the executable module waits for calling of a PLC operation management module; the PLC operation management module dynamically calls the executable module generated in the compiling mode; a debugging interface is added to a PLC editing interface for man-machine interaction; and the PLC operation management module dynamically executes the program in the ladder diagrams according to information contained in the ladder diagrams in the high-level language executable module and interface operation information transmitted from the man-machine interaction debugging interface. Due to the method, the compiling soft PLC can be enabled to have the online debugging functions of adding breakpoints and single-step execution, and the soft PLC with the online debugging functions has higher efficiency in engineering development.

The invention relates to the technical field of petroleum drilling safety, in particular to a safe monitoring and protection device for drilling and an intelligent protection system of the safe monitoring and protection device. The safe monitoring and protection device for drilling comprises a data acquisition unit, a control processing unit and a safe protection execution unit; the control processing unit comprises an PLC (programmable logic controller) and an industrial personal computer, the PLC is connected with the industrial personal computer through a serial port; various kinds of sensors of the data acquisition unit acquire on-site operation data and transmit the data to the PLC and the industrial personal computer in real time; the safe protection execution unit comprises a pumping pressure protection mechanism and a runner wagon protection mechanism; a pressure sensor mounted on a vertical pipe or a slurry pump, a winch sensor mounted on a winch barrel and a weight transducer mounted on a deadline anchor output signals to be connected with the PLC; the PLC is in control connection with the pumping pressure protection mechanism and the runner wagon protection mechanism. According to the safe monitoring and intelligent protection device for drilling, the safe protection execution unit comprises a pumping pressure protection sub-system which mainly adopts an active response type safe protection method, and when pumping pressure reaches a set protection value, the pump stops firstly and then pressure relief is performed.

The invention relates to the field of processing filling food, in particular to a molding method for food with round shape, comprising the following steps that: A, charging: skin and stuffing are added in feeding assemblies of a split type feeding system of a molding machine for food with round shape; B, compositing: the skin and stuffing of the feeding assembly are allowed to enter a skin-stuffing complex; C, cutting off: the skin and stuffing output by the skin-stuffing complex are cut off by a cutting assembly which is connected with a cutting lift assembly, the cutting assembly is driven by the cutting lift assembly to realize the cutting function and moving up and down simultaneously; D: ball-kneading: the cutting-off skin and stuffing are put into a ball-kneading device for kneading into balls; and E, discharging on the plate: the products obtained by ball-kneading are transferred to a discharging plate assembly from the ball-kneading device. According to the invention, the two independent feeding assemblies and the skin-stuffing complex have the advantages of simple disassembling and installation, when cleaning or maintaining the parts, only at least one feeding assembly needs be disassembled from the skin-stuffing complex to carry out the cleaning and the maintenance. Because the disassembling is realized by simple rotation, the present disassembling mode is simplified with saving the disassembling time and improving the work efficiency.

The invention provides a blast furnace blowing-in burdening method. A blast furnace normal material is divided into at least eight segments, and batch weights of ore at all the segments are unfixed but the batch weights of coke at all the segments are fixed on condition that alkalinities and Al2O3 balances of all the segments are guaranteed; the ratio between agglomerate and pellet ore in the ore is fixed as needed, different coke loads which are adopted by the coke ratio from the top down are determined according to a preset coke ratio of each segment, the content of mixed ore in each batch material is adjusted according to the content of MgO in slag, and the batch number of the material of each segment is adjusted according to the charging volume, the total coke ratio and the total final slag alkalinity. The practical charging stockline is guaranteed to be same as a stockline obtained through calculation, the coke ratio gradient is refined, and the ratio of all components in the slag is adjusted and controlled by the mixed ore, so the furnace man labor intensity is greatly reduced, the accident probability is reduced, the blast furnace production go smoothly, and the material slipping and hanging phenomenon is reduced, thereby the blast furnace blowing-in production target reaching time is greatly shortened, and the method has obvious economic benefits.

The invention discloses a safe route generation method and device for an unmanned aerial vehicle, a control terminal and the unmanned aerial vehicle. The method comprises the following steps of acquiring a route feature point set and attribute parameters, wherein the route feature point set comprises at least one route planning key point, and the attribute parameters at least comprise the flight height; generating a flight route according to the route feature point set, the attribute parameters and a preset route generation strategy; and adjusting the flight route according to an altitude datafile, so as to generate the route. According to the safe route generation method provided by the embodiment of the invention, the elevation data are considered in the flight route formulation, flightobstacles are avoided in the flight control process, and the flight safety of the unmanned aerial vehicle can be improved.

The invention discloses a mining intrinsic safety type micro-power-consumption wireless and wired communication self-powered pressure sensor. The mining intrinsic safety type micro-power-consumption wireless and wired communication self-powered pressure sensor mainly comprises a pressure sensor body, a pressure acquisition processing unit, an MCU processor, a switching processing unit, a display unit, an RS485 communication processing unit, an external bus communication unit, a wireless receiving and transmitting unit, an internal battery unit, an intelligent power source switching, conversion and management unit and an external power supply unit. Current pressure is measured through the pressure sensor body, the acquisition processing unit and the MCU processor and displayed through the display unit, a sensor power switch is controlled through keys and a Hall sensor, and a sensor power source and electricity saving are managed through the power source switching, conversion and management unit. Data are transmitted in a wireless mode and in a wired bus mode. According to the pressure sensor, a method and design are advanced and scientific, the gap of the mining intrinsic safety type micro-power-consumption wireless and wired communication self-powered pressure sensor is filled in, and the pressure sensor has the advantages of being high in integration degree, safe, reliable and the like.

The invention relates to the technical field of automobiles, and provides an intelligent testing system of an automobile tire pressure monitoring module, which comprises a pressure chamber, a motor, a pressure sensor, a gas storage device, an adjusting valve and a control device. The pressure chamber is connected with the tire pressure monitoring module, an interior space of the pressure chamber is equal to a tire in shape, the motor is connected with the pressure chamber and used for driving the pressure chamber in rotation so as to lead the pressure chamber to simulate the automobile running status, the pressure sensor is used for acquiring and transmitting interior pressure signals of the pressure chamber, the gas storage device is used for adjusting interior pressure of the pressure chamber according to controlled output gas, the adjusting valve is positioned between the gas storage device and a gas inlet, the control device is connected with the motor, the pressure sensor and the adjusting valve respectively and used for receiving and outputting signals, and is also used for controlling opening/closing of the adjusting valve to output gas from the gas storage device. Use of an intelligent testing method using the automobile tire pressure monitoring module or use of the intelligent testing system of automobile tire pressure monitoring module improves accuracy and precision in testing the tire pressure monitoring module and reduces accident rate of an automobile.

The embodiment of the invention discloses a door access control method and a door access control device, relating to the field of door access and used for solving the problems that the existing door access system cannot reduce the probability that people have accidents during working. The method comprises the following steps: detecting the value of a first health parameter of a target person; judging whether the value of the first health parameter of the target person is within a preset range; if not, forbidding the target person from passing the door access system.

The present invention provides a vehicle light-control method and system which is mainly used for a first vehicle testing the light brightness of a second vehicle when runs; a request signal is sent from the first vehicle to the second vehicle when the brightness of the second vehicle reaches a default value; the brightness of the second vehicle is adjusted and lowed by the second vehicle after receiving the request signal. So that the interference to eyes caused by light sources is avoided and the car accident frequency is reduced.

The invention provides a cabinet micro-environment monitoring system which comprises an outdoor refrigerating unit, a cooling cabinet, a monitoring system and a circulating pipeline consisting of a water inlet pipe, a water outlet pipe and a water supply pump, wherein the water supply pump is mounted on the water inlet pipe; the water inlet pipe and the water outlet pipe are connected between the outdoor refrigerating unit and the cooling cabinet; and the monitoring system is connected with the cooling cabinet. The invention provides a scattered heat dissipation scheme and a cabinet internal constant-temperature constant-humidity device for the cabinet of a large machine room so as to monitor the parameters in the cabinet and guarantee the operation safety of the cabinet.

The invention discloses a new energy vehicle charging protection device, including a charging pile shell. A safety sensing mechanism is fixedly connected to the inside of the rewinding wheel near thebottom end at the shaft center. A charging wire is wound in the middle of the surface of the rewinding wheel. A CPU is fixedly connected with an intermediate position inside that housing of the charging pile. The charging lead is fixedly connected with a charging gun head at one end outside the charging pile shell, the upper and lower sides of the charging gun head are fixedly connected with a safety pushing mechanism, and the left side of the charging pile shell and the lower rail of the storage slot are connected with a gun head slot. The invention relates to the technical field of new energy. The new energy vehicle charging protection device achieves the purpose of preventing the new energy vehicle from breaking the charging gun head caused by mistakes, improving the safety factor during charging, reducing the accident probability, reducing the friction loss in the wire transmission, realizing the automatic winding of the charging wire, and avoiding the external obstruction of thewire to pedestrians.

The invention discloses a converter steelmaking online monitoring and early warning system and method based on a cloud platform. The system comprises an environment information acquisition and processing system, a cloud platform and a user mobile terminal. The environment information acquisition and processing system is composed of enterprise nodes, and each enterprise node comprises an industrialpersonal computer, a communication module, a monitoring module, an execution mechanism, a display screen and an alarm device. The cloud platform comprises a cloud server, a cloud database and a cloudobject storage service. The method comprises the steps that the monitoring module monitors all parameter values in a converter steelmaking production process, and the communication module uploads monitoring data to the cloud platform; the cloud server analyzes and processes the data and then stores monitoring parameters into a cloud database, and a user accesses a website through terminal equipment to perform online monitoring; if the parameters are abnormal, the website gives an alarm; and if no one processes the alarm condition, the system automatically turns off the corresponding production equipment. According to the invention, the accident occurrence probability is reduced, and the scientific and intelligent management level of enterprises is improved.

The instant invention relates to a cycle foot peg assembly for engagement with the boot of a rider thereof. The assembly includes a foot peg housing comprising a proximal end and an open distal end, the proximal end including means for rigid connection to a frame of the cycle; and an elongate segment integrally between the proximal and distal ends, the segment including a bore therein having a longitudinal axis co-linear with a longitudinal axis of the foot peg housing, the bore in communication with the open distal end thereof. The assembly further includes a foot peg defining a greater longitudinal length than the axis of the bore of the elongate segment, the foot peg proportioned for complemental securable engagement within the bore, the peg further comprising a substantially hemispherical distal end, protruding beyond the open distal end of the foot peg housing, to a greatest axial dimension in a range of about 7.5 to about 15 millimeters.

The invention discloses a target detection method and device. The target detection method comprises the following steps that an original video of a radar device is obtained; the original video is preprocessed on the basis of an automatic threshold algorithm to obtain a first video; plotting and tracking are conducted on the first video to obtain a small target, wherein the radar cross section of the small target is not smaller than 0.1 m<2>, and the height of the small target is not smaller than 1 m. Through the target detection method and device, the problems that small target detection equipment is poor in capacity and low in detection accuracy in the correlative technology are solved, small targets on the sea surface can be found accurately in time, the accident occurrence rate is reduced, and sensitivity and accuracy of a detection system are improved.

The invention discloses a filling production line. The filling production line includes a bottle unscrambler, a fully automatic rotary type bottle washing machine, a tunnel type hot air circulating sterilization oven, a head servo numerical control filling machine, a vacuum cap screwing machine, a water-bath pasteurizer, a spray cleaner, an air knife type dryer, an adhesive sticker single-sided labeling machine, a film thermoforming machine, a spray code machine, a case unpacking machine, a full-automatic box filling machine, a box sealing machine and a conveyor belt. An outlet of the bottle unscrambler is in drive connection with one section of the conveyor belt. The filling production line has the advantages that through the cooperation of all machines in the production process and synchronous operation of a motor, the accident probability is reduced, meanwhile the cost is saved in the large-scale production, the waste of materials is avoided, a PLC is programmed according to the production process so as to achieve control over all the machines, the production efficiency of the filling production line is improved, the waste of labor and material resources is avoided, and meanwhile environmental pollution caused by the production process is avoided.

The invention discloses a braking device of a high-speed train, which is provided with a water spray cooling device. The braking device at least comprises a brake disc, a brake pad, a brake pad heat radiating cavity, calipers, a water tank, a water inlet pipe, a tank bottom valve, a water outlet pipe, a high-pressure water pump, a four-way pipe, water delivery hoses, nozzles, locating rods and a driving mechanism. During train braking, the driving mechanism controls the calipers to clasp the brake disc, the tank bottom valve is opened, the high-pressure water pump is started, high-pressure water is sprayed out of the nozzles after entering the water delivery hoses through the four-way pipe, one path of high-pressure water is sprayed inwards through a ventilating duct, which is provided with heat radiating ribs, of the brake disc, the other two paths of high-pressure water are sprayed inwards through the heat radiating cavity specially designed at one side of a backing plate of the brake pad, fogdrops are instantly vaporized because of being heated when being in contact with a high-temperature metal surface, and a great deal of heat in water vapor is taken with air, so that the heat radiating effect of the braking device is far better than that of the traditional braking device only depending on air cooling, the brake disc and the brake pad can be always in a relatively low temperature, furthermore, the braking reliability and safety are ensured, meanwhile, the service life of the brake pad is prolonged, and the braking requirement of a higher-speed train can be met.

The invention discloses a vehicle starting control method and device, a vehicle and a storage medium, and belongs to the field of automatic control. The method includes the steps of detecting whether living bodies exist in a human eye vision blind area of the vehicle or not through a living body detecting sensor before the vehicle is started, forbidding the starting of the vehicle when the living bodies exist in the human eye vision blind area, and allowing the starting of the vehicle when no living bodies exist in the human eye vision blind area. By detecting whether the living bodies exist in the human eye vision blind area of the vehicle or not through the living body detecting sensor, the probability of accidents happening before a vehicle is started is reduced. The method is used in the vehicle.

The invention provides a waterproof outdoor power distribution cabinet with ventilation and heat dissipation functions, which comprises a machine body, the right end surface of the machine body is provided with a power distribution cavity with a rightward opening, the upper and lower wall surfaces of the right end of the power distribution cavity are hinged to an opening and closing door capable of being turned over, the opening and closing door can close the right end opening of the power distribution cavity, and the lower side of the machine body is provided with a ground. Lifting columns which are symmetrical left and right and extend upwards are fixedly arranged in ground corresponding to lower end face of machine body. According to the invention, the internal temperature of the powerdistribution cavity is sensed by utilizing the thermal expansion of gas, so that the on-off control of the driving motor is realized, and meanwhile, the shutter is opened to promote air circulation and accelerate the internal heat dissipation of the power distribution cavity, so that the heat dissipation efficiency of the power distribution cavity is improved, and the service life of the motor isprolonged. And meanwhile, the power distribution cabinet also has a function of detecting the water level, so that the power distribution cabinet can be lifted to a certain height in time, the electric leakage of the power distribution box caused by over-high water level is prevented, and the probability of accidents is effectively reduced.

The invention discloses an aerodynamic brake of a high-speed train. The aerodynamic brake comprises a shaft disk, a friction wheel, a rotary shaft, bearings, an impeller, fastening rings, a nippling lever and a driving mechanism. The shaft disk is arranged on an axle of the train. The impeller is arranged at one end of the rotary shaft, and the friction wheel is arranged at the other end of the rotary shaft. The two bearings are arranged on the middle section of the rotary shaft and hooped into the two fastening rings. During braking, the driving mechanism controls the nippling lever to put down the impeller and an assembly of the impeller from a skirt plate, the impeller and the assembly of the impeller make contact with and squeeze the conical friction surface of the shaft disk, the impeller rotates at high speed due to friction transmission to act on air, forward wind power is generated, and meanwhile violently collides with head-on air, kinetic energy of the train is consumed into the air, and therefore the braking aim is achieved; after braking is completed, the friction wheel is disengaged from the shaft disk, the nippling lever rises, and the impeller and the assembly of the impeller are lifted to the skirt plate. Braking is conducted based on the aerodynamic principle, braking force is large, time needed for braking can be remarkably shortened, maintenance is convenient, and the service life is long.

The invention discloses an electric vehicle speed tampering prevention method, and belongs to the technical field of communications. The electric vehicle speed tampering prevention method includes the following steps that (1) sequence codes are downloaded and obtained through a mobile phone client-side; (2) the sequence codes are sent to an intelligent bi-directional alarm through mobile phone Bluetooth; (3) the intelligent bi-directional alarm judges whether the sequence codes are legal or not, and if the sequence codes are legal, and the sequence codes are sent to a controller; (4) the controller enables the received sequence codes to be stored in an ROM storage space and meanwhile sends the sequence codes to an internal chip of a motor; (5) when a vehicle is started, communication is conducted between the controller and the internal chip of the motor, if the sequence codes of the controller and the sequence codes of the internal chip of the motor are matched, the motor is started, and otherwise the motor is not started. According to the method, unique matching of the motor and the controller is achieved, the problem that an owner increases the speed of the vehicle arbitrarily is avoided, the probability that accidents happen due to the fact that the speed of the vehicle is too fast is lowered, the self-security of the owner is guaranteed, and meanwhile the fame of vehicle manufacturers is maintained.