44 results about "Hazard Control" patented technology

A method and apparatus for hazard prevention. A vehicle has a hazard prevention system. The hazard prevention system includes a plurality of hazard cause controls, a health monitor system, and a vehicle control system. The plurality hazard cause controls are associated with a hazardous conditions and each hazard cause control in the plurality of hazard cause controls is associated with a system in the vehicle to prevent a hazardous condition from occurring during operation of the vehicle. The health monitor system monitors the hazard cause controls to determine if each of these hazard cause controls is operating properly and generates an alert if a hazard cause control is operating improperly. The control system is in communication with the health monitor system, wherein the control system receives alerts and provides a corrective action to avoid the hazardous condition.

The invention discloses a nuclear hazard forecasting and alarming platform and method based on a GIS (Geographic Information System), belonging to the field of hazard control. The nuclear hazard forecasting and alarming method comprises the following steps of: 1.obtaining forecasting results of a wind field and a turbulence flux; 2. carrying out proliferation simulation on a nuclear hazard; 3. obtaining hazard depth, withdrawing depth, iodine taking depth, hazard area, withdrawing area, iodine taking area, hazard start time and hazard duration time of a nuclear accident; 4. judging whether the hazard depth of the nuclear accident in a set proliferation simulation region is figured out, if the hazard depth is figured out, ending the method, and if the hazard depth is not figured out, returning to the step 2; and 5. forecasting and alarming the nuclear hazard based on the GIS and issuing online in real time. The invention provides a data support for dealing with nuclear crisis, providesa scientific basis for rapidly dealing with the nuclear crisis, and scientifically evaluating the result of the nuclear hazard, thereby guiding the public to rapidly take correct safeguard measures after the public are attacked, eliminating psychological pressure and unnecessary worry and guaranteeing the social stability and the everyday routines.

The invention provides a system and a method for preventing and controlling potential hazards in gas extraction. The system comprises detecting equipment, a potential hazard identifying component, a controller, an actuator and a communication device. The detecting equipment is used for detecting potential hazard parameters. The controller is connected with the detecting equipment and the potential hazard identifying component respectively and used for receiving the potential hazard parameters and transmitting the same to the potential hazard identifying component for potential hazard identification prior to generating identification results. The controller is further used for sending out potential hazard control signals. The actuator is connected with an output end of the controller, and executes processing operation of the potential hazards. The communication device is connected with the controller and the potential hazard identifying component and used for realizing data communication between the controller and the potential hazard identifying component. By the aid of the system, the potential hazards existed in the process of gas extraction can be identified and processed in advance.

A hazard control system according to various aspects of the present invention comprises a housing configured to contain a control material and deliver the control material to neutralize a hazard in response to a trigger event. In one embodiment, the control material is an extinguishant for retarding fire. The housing contains the extinguishant and includes at least one surface configured to rupture in response to a trigger event, such as an impact. The housing may also include a surface configured to substantially mate with a surface of a vehicle, such as a fuel tank surface.

The invention relates to a drilling electrical prospecting device and method for an overburden water-conducting zone, and belongs to the technical field of prospecting. The drilling electrical prospecting device comprises a plurality of polyvinyl chloride plastic pipes and steel bars serving as electrodes, wherein a fixing hole is drilled in the middle of each polyvinyl chloride plastic pipe; the intervals between adjacent fixing holes are 2 meters; the steel bars are inserted into the fixing holes for fixing; electric wires arranged in the steel bars are taken as electrode cables; the electric wires pass through the polyvinyl chloride plastic pipes. The drilling electrical prospecting device and method for the overburden water-conducting zone disclosed by the invention have the advantages of total-space prospecting of the overburden water-conducting zone, wider prospecting range, higher prospecting accuracy and higher working efficiency. Necessary basic geological data is provided for hazard control, and a novel geophysical prospecting measure is provided for the prevention and control of coal mine flooding.

The invention discloses a method for calculating destabilization of rockfill of a small-watershed ditch and belongs to the technical field of geological hazard control engineering. The method is characterized by comprising the following steps: a. carrying out force analysis on unit-width rockfill of the small-watershed ditch; b. calculating flow velocity VC of debris flow, inferring a distinguishing calculation expression for the rockfill of the small-watershed ditch according to theory of mechanics; c. destabilizing the rockfill according to a mechanical equilibrium condition when a motive force stressed by the rockfill is greater than a resisting force stressed by the rockfill, so as to obtain a distinguishing calculation expression for destabilization of the rockfill in the ditch. According to the method, a destabilization value of the rockfill of the small-watershed ditch can be reasonably determined on the basis of strict theoretical derivation, and thus, a basis is provided for controlling and warning debris-flow disasters of small watersheds; the calculated result is high in accuracy, so that the method meets actual engineering demands.

Methods and apparatus for containing a hazardous material according to various aspects of the present invention operate in conjunction with a container having two compartments. The first compartment is configured to contain the hazardous material, and the second compartment contains a hazard control material. The container may further comprise a wall separating the first compartment from the second compartment. The wall is configured to open upon occurrence of a trigger event.

The invention relates to an optimal control method aiming at nuclear accident loss and emergency action cost, belonging to the field of nuclear hazard control. The optimal control method comprises the following steps of: (1) confirming a nuclear accident simulation range; (2) acquiring prediction results of wind filed and turbulent flow of the nuclear accident simulation range; (3) acquiring nuclear accident simulation range data observed by a meteorological observation network at the real time; (4) carrying out assimilation on the prediction results of the field wind and the turbulent flow in the step (2) and the acquired data observed by the meteorological observation network at the real time in the step (3); (5) carrying out diffusion simulation on nuclear accidents; (6) acquiring nuclear accident early-warning information; (7) formulating an optimal control scheme of the nuclear accident loss and the emergency action cost; and (8) providing the optimal control scheme of the nuclear accident loss and the emergency action cost for a commander to make decision. The invention improves the diffusion simulation precision, solves the contradiction between the accident emergency intervention effect and the action cost and improves the solving efficiency of the optimal control problem by more than two magnitude orders.

The invention discloses a construction site hazard source control and safety protection system based on BIM, belonging to the technical field of building safety construction. The system is used to interact between the construction site and the safety management of the construction site. The system includes field identification and detection module, detection data processing terminal, hazard sourceand safety protection processing module and information storage module. The invention provides a construction site hazard source control and safety protection system based on BIM. Combined with BIM technology, the system establishes the safety information model before the construction site. The hazard source and safety protection standardized parameters are attached to the model, and one-to-one marking in the construction site. With the progress of construction, the real-time status and quantity of hazard source and safety protection are updated to the model synchronously, so that the model can be seen in the construction site.

The invention provides a lithium ion battery hazard assessment method. The method comprises the following steps: obtaining a possible failure mode of the battery and a corresponding weight thereof byvirtue of an event tree analysis method, calculating the probability and hazard degree of each failure mode or basic event incidence to calculate a hazard value of a battery accident, and providing quantitative description for the lithium ion battery hazard. According to the method disclosed by the invention, the influence caused to the hazard value due to a control effect of a hazard control coefficient on the failure mode is also considered. According to the method, the hazards of the battery can be scientifically and accurately assessed, and the safety range of the battery is divided by virtue of a quantitative safety threshold.

The invention provides a hazardous chemical transport hazard predicting and controlling system. The adjoint mode provided by the hazardous chemical transport hazard predicting and controlling system is set up on the basis of a CAMx diffusion mode and is more suitable to practical diffusion by considering affection of meteorological factors and topographic factors; starting from protective targets, the adjoint mode only needs to solve adjoint equation once to acquire risk value, and time for solving the adjoint equation is equal to time for solving diffusion equation; prediction of hazardous chemical transport coming risks is realized by application of the numerical diffusion mode is realized, practical conditions of transport objects, transport time and transport lines are comprehensively considered, elaborate risk field distribution during practical transport is obtained, blindness of emergency preparation is avoided, and a real-time hazard evaluation mode matched with actual topography, weather, environments and the like is provided, so that hazard control during hazardous chemical transport accidents is more scientific and effective. Accordingly, hazard prediction results are more accurate, hazard prediction efficiency is higher, and hazard control policy is more scientific.

The invention discloses an anchor rope group and active protective net combined integrated bearing structure and belongs to the field of mountain hazard control. The anchor rope group and active protective net combined integrated bearing structure comprises an anchor rope group and an active protective net; horizontal supporting ropes and longitudinal supporting ropes of the active protective net form a plurality of unit grids, an anchor pier is surrounded by each unit grid, and the horizontal supporting ropes and the longitudinal supporting ropes pass through connecting holes in connecting devices and cling to the surface of a slope; auxiliary connecting ropes pass through auxiliary connecting holes in the outer ends of connecting plates of auxiliary connecting devices, one end of each auxiliary connecting rope is connected with each longitudinal supporting rope, and the other end of the auxiliary connecting rope is connected with each horizontal supporting rope; and steel rope nets are connected with the connecting ropes, the longitudinal supporting ropes, the horizontal supporting ropes and sewing ropes and are tensioned on the surface of the slope. According to the anchor rope group and active protective net combined integrated bearing structure, the active protective net on a shallow surface layer and the reinforced anchor rope group on a deep layer are integrated to form an integral stress system, and local stress and integral bearing of any part are realized within an active protective net and anchor rope group integrated stress system, so that the protective capability for shallow surface layer reinforcement and deep layer reinforcement of a mountain is greatly improved.

The invention discloses a multiple-water-resource key-point damage control and safe water supply method, and belongs to the technical field of urban water supply. In order to guarantee safe operation of a water supply pipe network system and prevent unexpected accidents, a mode recognition function of a network is utilized, key control points determined in the HACCP analysis are combined, factors like water quality, the water volume and water pressure are considered comprehensively and a multiple-water-resource key-point damage control and safe water supply technology based on a mathematic damage control model of key nodes is built. The method has the advantages of being capable of mastering the operation condition of a water supply pipe network in real time, fast and accurately diagnosing prospective faults, feeding back alarm information and reducing risks probably generated in the water supply production, processing and conveying processes of small-town water supply.

The invention provides an intelligent automatic inspection fire hazard alarm control system, which includes an MCU master control unit. The MCU master control unit is connected with a fire detection unit, an inspection management unit, a time delay control unit and a 485 communication unit. The fire detection unit is connected with a fire sensor. The time delay control unit is connected with a fire extinguishing implementation unit. The 485 communication unit is connected with an automatic inspection unit. The automatic inspection unit is connected with the time delay control unit and the fireextinguishing implementation unit. The intelligent automatic inspection fire hazard alarm control system has an automatic inspection function for input and output control units and can effectively avoid troubles of manual regular detection.

The invention discloses a natural cybernetics-based nuclear and chemical accident emergency optimizing control method, which belongs to the field of hazard control. The method comprises the following steps: firstly, performing prediction and pre-warning on a nuclear and chemical accident; and on the basis of the prediction on the consequence of the nuclear and chemical accident, developing a natural cybernetics-based optimizing control scheme. The natural cybernetics-based nuclear and chemical accident emergency optimizing control method disclosed by the invention has the advantages of fulfilling the aim of performing emergency control on the nuclear and chemical accident, minimizing cost paid by the control, and accidental loss and realizing optimal emergency control of the nuclear and chemical accident.

The present invention provides a data security analysis method for avionics systems. The method comprises: establishing a data-driven system model; identifying security related data according to the system model; establishing a data supply chain model of the security related data; carrying out data hazard mode analysis, and hazard and operability analysis according to the data supply chain model;and according to analysis results, obtaining and evaluating the data hazard control technology. According to the method provided by the present invention, static and dynamic problems of the data in the avionics systems can be discovered, and hazards brought by the data can be discovered in advance, so that system security can be improved, casualties and property losses are avoided, and the methodis applicable to military and civilian avionics systems.

The invention relates to a device for realizing self-starting of a fire extinguisher in case of open fire by utilizing a foldable support and an elastic sheet and belongs to the field of fire-fightingequipment. The device comprises an elastic pre-stressed module, a combustible safety pin and a fixed bolt. The device has the advantages that self-starting in case of open fire is realized, and poweris provided in a purely-mechanical manner, which is an enhanced complement to the function of an existing conventional portable fire extinguisher; the device is simple in structure and small in sizeand has a small working space beyond the existing conventional portable fire extinguisher; the device can be applied to automatic fire extinguishing in an unattended confined space to minimize fire hazards.

Provided is a method for managing the safe water supply of multiple water resources in the city. The method comprises the following steps that (1), on the basis of collecting and systemizing city water supply materials, a water supply system digital network is built, hazard analysis is carried out on a water supply network of a water supply system and control measures are provided; (2), according to a water conservancy and water quality characteristic calculation model, the position of critical points is determined, the critical limit value of the critical control points is made, the control measures of the critical points are cleared, and a critical node mathematical model is built; (3), EPANET software is adopted to calculate the water conservancy and water quality characteristics of the critical points, a multi-water-source city safe water supply management system is built, and basic data support is provided for hazard control of the critical points. The method has the advantages of being capable of achieving digital management on the water supply system, clearing out the problems existing in the network, carrying out necessary modification on the network, achieving the best water supply management effect through the minimum consumption of manpower resources and energy, and ensuring water supply safety of the city.

The invention discloses a mine production potential safety hazard control method and device and electronic equipment, and belongs to the technical field of production safety prevention and control. The mine production potential safety hazard control method comprises the steps: obtaining potential safety hazard information of the mine production potential safety hazards; determining a hidden danger level of the hidden danger information according to a safety operation standard; and sending the mine production potential safety hazard to the supervision department of the corresponding potential hazard level, so that the supervision department supervises the rectification department to rectify. According to the method, the hidden danger level of the hidden danger information is determined according to the safety operation standard, and the mine production safety hidden danger is sent to the supervision department of the corresponding hidden danger level, so that the supervision department supervises the rectification department for rectification. According to the method, the rectification process of the mine production potential safety hazard can be standardized and normalized, and a supervision department supervises and rectifies the mine production potential safety hazard, so that danger of mine production caused by the fact that the rectification department is neglected of duty and does not rectify the mine production potential safety hazard is prevented.