13results about How to "Avoid secondary accidents" patented technology

This utility model discloses an AGV forklift anti-collision device, relating to the field of transportation equipment technology. It includes a buffer device installed on the AGV forklift, comprising a buffer assembly I, a buffer assembly II, and a limiting assembly. The AGV forklift includes a forklift body and forks, with a mounting cavity III at the end of the forks. The buffer assembly I includes a sliding plate II slidably installed within the mounting cavity III. A spring II and a pressure sensor II are located on the side of the sliding plate II closest to the forklift body, and a connecting plate is fixedly installed on the other side of the sliding plate II. This AGV forklift anti-collision device effectively absorbs and buffers impact forces, reducing the impact on the forklift and goods, and lowering the risk of equipment damage and cargo loss. Furthermore, after the pressure sensor detects an impact signal, it automatically triggers the control system, causing the electromagnet to actuate and the limiting plate to lift, effectively preventing goods from falling during impact, avoiding secondary accidents, and protecting personnel and equipment safety.

The invention belongs to the technical field of power grid disaster prevention and reduction, and particularly relates to a risk assessment method and device for deicing jump of a power transmission line, electronic equipment and a computer readable storage medium. The method comprises the following steps: determining risk influence factors influencing the deicing jump of the power transmission line, and constructing an original parameter data set containing a plurality of deicing working conditions; establishing a conductor deicing model under a plurality of deicing working conditions and carrying out analogue simulation to obtain a risk consequence index; constructing a standardized decision matrix, respectively calculating the comparison intensity and conflict of each risk influence factor, and calculating the comprehensive information amount and objective weight of each risk influence factor to obtain an objective weight vector; and identifying the key dominant factors based on the objective weight vector and carrying out working condition optimization in combination with the risk consequence indexes under each deicing working condition to obtain the optimal deicing working condition with the lowest comprehensive risk. According to the method, the CRITIC method is applied to power transmission line deicing jump risk assessment, and the deicing working condition with small risk can be selected.

The utility model discloses a kind of toxic and harmful gas detection alarm control system, it is related to the technical field of instrument automatic control.The system includes field alarm, toxic gas detector, gas alarm controller, air switch, AC contactor, thermal overload relay and exhaust fan.Toxic gas detector real-time monitoring toxic gas concentration in environment, and signal transmission to gas alarm controller;Two early warning thresholds are provided in controller, when concentration reaches first threshold, trigger sound light alarm, reach second threshold, drive relay control exhaust fan start, quickly exclude leakage gas.The utility model integrates multipoint centralized monitoring, hierarchical response and overload protection function, supports 4-20mA anti-interference signal transmission, applicable to metallurgy, chemical industry and other flammable and explosive places.Has short response time, false alarm rate is low and the like characteristics, can effectively prevent personal injury and fire explosion accident, improve industrial safety protection capability.

This invention belongs to the field of automation and control technology for municipal sanitation vehicles, specifically relating to a differentiated obstacle avoidance control method and system for sprinkler trucks based on target classification. The control method includes simultaneously acquiring image data and point cloud data of the environment surrounding the sprinkler truck; constructing a target detection and classification model, and transmitting the image data to the trained target detection and classification model; processing the target detection and classification model and inputting it into a pre-fusion algorithm with the point cloud data; when a pedestrian is detected, analyzing whether there is an effective occupant; when a second type of target is detected, initiating pre-collaborative safety; when both first and second types of targets are detected simultaneously, generating corresponding avoidance strategies in parallel and independently, and if there are conflicts between avoidance strategies for different targets, fusion is performed according to an arbitration principle. The system of this invention possesses a deep understanding of the environment and refined decision-making capabilities, can simulate human driver judgment, and has a high degree of intelligence.

This utility model belongs to the field of guardrail technology, and in particular to a highway corrugated guardrail. Addressing the problem that management personnel often cannot promptly detect collisions with guardrails, the following solution is proposed: A corrugated guardrail body is fixed to a support rod. An installation groove is formed within the corrugated guardrail body, and an insert rod extends through the groove. A connecting block is fixed to the side end of the insert rod, and a detection module is installed within the connecting block. The detection module includes a vibration sensor for detecting collisions, a wireless transmission module, and a self-powered component. By setting up the detection module, the vibration sensor can detect the vibrations generated when a vehicle collides with the guardrail in real time. Once a collision is detected, the wireless transmission module immediately transmits the signal to a remote monitoring center, enabling management personnel to promptly learn of the collision and take swift countermeasures.

This invention discloses a door knife operating method. When the elevator car is stopped at a safe height from the landing position but not at the landing door position: when the elevator falls, the elevator safety brake will brake the elevator, the door knife will move down and the door ball will contact the door. In the power-on state, the door operator motor drives the door knife to open the car door lock, and the car door will open. In the power-off state, the door can be pried open from inside the car, the door knife will open the car door lock, and the car door and landing door will open.

This invention relates to the field of traffic safety analysis technology, providing a multi-dimensional feature analysis system for the degree of driving delay at urban traffic accident sites. Based on driving delay data at urban traffic accident sites, it extracts road-dimensional features at the time of the accident, proposes targeted data imputation schemes based on the characteristics of missing features, and completes redundant feature screening according to statistical distribution, constructing structured traffic modeling data with four dimensions: weather, road, POI, and time. It systematically models and analyzes the degree of driving delay caused by urban traffic accidents from three aspects: individual heterogeneity, group transferability, and group heterogeneity, exploring the influence of significant variables among the multi-dimensional influencing factors. The aim is to help traffic management departments take preventive measures and emergency response strategies, provide a theoretical basis for road design optimization and management decisions, thereby mitigating the impact of traffic accidents, improving the operational risk level of accident-prone road sections, avoiding secondary accidents, and reducing traffic pollution.

This application discloses a method, device, storage medium, and vehicle for controlling a warning triangle on an intelligent vehicle, belonging to the field of autonomous driving technology. The method is used in the engine compartment of an intelligent vehicle, where a warning trolley is parked and communicated with. The warning trolley carries a warning triangle. The engine compartment determines whether to release the warning trolley based on fault information. When it is determined that the warning trolley needs to be released, the destination of the warning trolley is determined based on historical driving trajectory information and current location information. A path to the destination is generated based on historical environmental perception information. The current location information includes lane information of the lane occupied by the intelligent vehicle, and the destination is located within the lane. The warning trolley travels to the destination according to the path and stops in a lane that can warn following vehicles. This application ensures that the warning trolley stops in the lane where the intelligent vehicle is located to warn following vehicles in that lane and avoid secondary accidents.

This utility model relates to the technical field of busbar connection devices for switchgear, and discloses a layered power switchgear busbar connection device that is easy to maintain. It includes two first support tubes, each with a connection mechanism and an installation mechanism installed inside. The connection mechanism uses a first damper and a first clamping plate to install multiple busbars. The detachable first and second support tubes facilitate subsequent maintenance of the busbar connections, solving the problem of cumbersome disassembly and assembly due to the numerous fastening screws in traditional busbar trunking, thus improving the maintenance efficiency of electrical switchgear. The installation mechanism uses a second damper and a first elastic element to clamp and install the busbars. The internal first damper and multiple first clamping plates provide a secure clamping mechanism, reducing the electrodynamic impact during short-circuit faults and preventing secondary accidents caused by busbar displacement or poor contact.

The utility model relates to the technical field of air switches, and discloses an air switch rapid re-power supply device which comprises a main body mechanism and an auxiliary mechanism, the auxiliary mechanism is located on the main body mechanism, and the main body mechanism comprises a first butt joint, a first conducting strip, a first detection lamp and a limiting ring. The first conducting strip is fixedly installed at the right end of the first butt joint, the first detection lamp is fixedly arranged at the left end of the first butt joint, and the limiting ring is fixedly installed at the upper end of the first butt joint. According to the air switch rapid re-power supply device, a butted electric wire touches the first conductive sheet, if the electric wire is electrified, the first detection lamp emits light to prompt that the electric wire is electrified, and if the electric wire does not emit light, the electric wire is not electrified, so that two electric wires which are electrified in the same way can be effectively prevented from being butted together during wiring, a secondary accident is avoided, and the service life of the air switch is prolonged. And the two butt joints of the device are provided with the detection mechanisms, so that the device is more convenient to use.

The utility model provides a car stopping device for preventing a car from sliding down in an inclined roadway, which belongs to the technical field of car stopping devices and comprises a car stopping beam, an air control box, an air cylinder, an air path system and an elastic buffer structure. The air control box is connected with the air cylinder through the air path system and used for controlling the air cylinder to act, and the air cylinder is connected with the car stopping beam and drives the car stopping beam to ascend and descend. The elastic buffering structure is installed on the surface of the side, facing the coming direction of the inclined drift sliding car, of the car stopping beam, a manual operation valve is arranged on the air control box and used for manually controlling connection and disconnection of the air path system so as to drive the air cylinder to act, the elastic buffering structure comprises a plurality of elastic buffering blocks and a spring, one end of the spring is fixedly connected with the car stopping beam, and the other end of the spring is fixedly connected with the air control box. A plurality of installation grooves are formed in the surface of the side, facing the coming direction of the inclined drift sliding-down car, of the car stopping beam, the problems that a traditional inclined drift sliding-down preventing car stopping device is prone to driving faults, and the structure lacks buffering are solved, and the reliability of the car stopping device is improved.

The application discloses a kind of passenger car power cabin multi-sensing fusion fire grading disposal control method, belong to large and medium-sized passenger car fire safety control technical field of vehicle-mounted.This application synchronously collects power cabin infrared temperature measurement array, smoke concentration, oil gas leakage, humidity in cabin and whole vehicle CAN power operation multidimensional sensing data, uses time series difference algorithm to check jointly temperature, smoke, oil gas variation characteristics, filters false alarm caused by exhaust gas high temperature, water vapor, dust;Construct first-level hidden danger early warning, second-level initial fire, three-stage severe combustion three-stage fire grading determination system, match differential linkage disposal strategy;First-level hidden danger only sound and light remind and upload cloud end;Second-level initial fire cuts off power, ventilation cooling and speed control car;Three-stage severe combustion cuts off high and low voltage power supply of whole vehicle, starts fire extinguishing spray, unlocks all emergency exits and pushes precise position to supervision platform;Under second-level, three-stage fire, limit speed, shield urgent acceleration instruction, guide vehicle to steady side;Fire is completely eliminated and after artificial on-site repair reset, system can remove each travel restriction, three-stage fire is prohibited to automatically restore power.This application solves the defect that traditional single fire sensor false alarm rate is high, without grading disposal, lack of whole vehicle travel constraint linkage, fire identification is accurate, protection disposal closed loop is complete, can effectively reduce large and medium-sized passenger car power cabin spontaneous combustion caused personnel casualty and property loss.

The utility model belongs to battery technical field discloses a kind of battery module, battery device and electric device.The battery module includes heat sink and multiple high-temperature-resistant sheet, heat sink is equipped between every two adjacent monomer batteries, heat sink is equipped with heat dissipation air duct, high-temperature-resistant sheet is equipped at the side of monomer battery with explosion-proof valve, and weak structure is equipped on high-temperature-resistant sheet and is arranged opposite to explosion-proof valve.By being equipped with the heat sink with heat dissipation air duct, heat transfer of heat runaway battery and adjacent battery can be directly blocked, to have stronger heat insulation capacity, in addition, by being equipped with the high-temperature-resistant sheet with weak structure on monomer battery, to can ensure that monomer battery releases internal pressure smoothly, adjacent monomer battery can also be reduced high-temperature-resistant sheet to the thermal influence of high-temperature high-heat material, with stronger protective performance, heat dissipation by the mutual cooperation of heat sink and high-temperature-resistant sheet can effectively prevent heat diffusion when heat runaway, with higher safety.