39results about How to "Ensure safety and control" patented technology

The invention provides a remote unmanned aerial vehicle cluster control method and system based on 3G (the 3rd Generation Telecommunication) and GPRS (General Packet Radio Service) cell phone communication and belongs to the technical field of unmanned aerial vehicles. Each unmanned aerial vehicle is provided with an independent unique electronic identification code by integrating a cell phone communication module into a flight control computer board card; as long as the system is started and electrified, the current relevant information of the unmanned aerial vehicle is transmitted to a remote control center; a permission instruction is necessarily applied from a control center for each flight; information such as an airway plan is made uniformly in the control center; and the information is transmitted to an operation terminal of the unmanned aerial vehicle through a cell phone communication module. Consequently the unmanned aerial vehicle cannot fly away without a headquarter control instruction. The state of each unmanned aerial vehicle is fed back to the control center and can be shared with networked data of relevant national supervision departments so as to play roles in unified supervision and scheduling. In addition, the on-site operation personnel do not need professional knowledge such as airway point setup; and the unmanned aerial vehicle can be operated by common people subjected to simple training, so that the problem of staff shortage in unmanned aerial vehicle control is solved.

The invention discloses a sealing device between a floating disc and a tank wall of an external floating roof tank. The device comprises an edge plate of a floating disc and the tank wall, wherein a primary sealing part and a secondary sealing part are arranged between the edge plate of the floating disc and the tank wall, and oil and gas spaces are formed among the primary sealing part, the edge plate of the floating disc, the secondary sealing part and the tank wall; the secondary sealing part comprises a secondary sealing rubber gasket, a secondary sealing pressing plate and a secondary sealing membrane, and the secondary sealing membrane is arranged on the surface of the inner side of the secondary sealing pressing plate; filling devices are arranged in the oil and gas spaces, and the filling devices comprise flexible wear-resisting bag belts and bag belt fillers; the flexible wear-resisting bag belts sequentially expend along the edge plate of the floating disc, the upper surface of the primary sealing part, and the tank wall, cavity bodies without oil or gas are formed between the flexible wear-resisting bag belts and the secondary sealing membrane, the bag belt fillers are positioned in the flexible wear-resisting bag belts, the reduction of the oil and gas space between the primary sealing part and the secondary sealing part is facilitated, the oil and gas content in the oil and gas space is reduced, and the harm caused by the blast accident of sealing rings is furthest reduced.

The invention discloses a mode adapting method and a mode adapting system for a user interface. The mode adapting method comprises the following steps of: setting a plurality of work modes for the user interface of a terminal and enabling each work mode to correspond to an audience; dividing resources according to different audiences, dividing the resources belonging to the same audience into one category and enabling the divided resource to correspond to a corresponding work mode of the audience; and selecting corresponding work modes and providing resources corresponding to the selected work modes by the user interface. According to the mode adapting method and the mode adapting system disclosed by the invention, a user belonging to any audience can respectively and freely switch to the accordant work modes according to personal use demands to enjoy resources suitable for the user under the provided the work mode.

The invention belongs to the technical field of solid waste treatment, and particularly relates to a removal device and method for mercury in a mercury-containing pollutant. The removal device for the mercury in the mercury-containing pollutant consists of a material preparing system, a pre-heating drying system, a thermal desorption system, a residue cooling conveying system and a flue gas purifying system. The removal method for mercury in the mercury-containing pollutant comprises the following steps of: pre-treating, pre-heating and drying, desorbing and mercury-removing, mercury-containing flue gas purifying. According to the removal device and the removal method, mercury resources further can be recycled while pollutant treatment is realized, so that materials can be sufficiently reacted, and therefore, a reaction rate is increased; the whole system adopts sealed treatment, so that mercury-containing flue gas does not leak in a reaction process, and therefore, safety is improved; energy consumption needed for heating and drying cold flue gas is reduced, and energy consumption needed for cooling high-temperature flue gas is also reduced, so that production cost is greatly reduced; the production process is guaranteed to be safe and controllable; and process flow is shortened, and energy consumption is reduced.

The invention discloses a multi-unmanned aerial vehicle cooperative route planning method for tracking a ground target in a dual-mode circling manner. An unmanned aerial vehicle kinematic model, a ground target motion model and a three-dimensional urban environment model are constructed; based on the obstacle avoidance requirements of the unmanned aerial vehicle and the high-rise building, a condition for switching between a circling mode and an obstacle avoidance mode is provided; a multi-objective optimization model is constructed under dual modes based on a multi-objective optimization algorithm of synchronous distributed model predictive control; a priority model is established based on a relaxation satisfaction sequence method to obtain a generalized fuzzy satisfaction target planning model; and based on the synchronous distributed model predictive control and fuzzy target planning method, the multi-unmanned aerial vehicle cooperative route planning model under dual modes is constructed. Tracking precision, energy saving and other performance indexes and different priority requirements are comprehensively considered, and based on the synchronous distributed model prediction control and fuzzy target planning method, a reliable flight path planning scheme is provided for multi-unmanned-aerial-vehicle cooperative target tracking on the premise that it is guaranteed that multi-unmanned-aerial-vehicle cooperative flight is safe and controllable.

The embodiment of the invention provides a data security system based on a block chain and a data security processing method. The system comprises a checking unit, a security calculation unit and a data processing unit, the checking unit is used for receiving a data processing request sent by a data demand terminal, checking a preset information type according to the data processing request, and sending the data processing request to the data processing unit and the security calculation unit after the checking is passed; the data processing unit is used for obtaining corresponding demand data from the distributed storage management system according to the data processing request and sending the demand data to the security calculation unit; the security calculation unit is used for processing the demand data according to the data processing request, obtaining processing information, sending the processing information to the checking unit for checking, and sending the processing information to the data demand terminal after the checking is passed, thereby realizing the safe use of the shared data in a safe computing environment, and ensuring the safety and controllability of the data provider on the source data.

The invention relates to a solid-state relay, comprising: a control signal processing circuit, a state latch circuit, a protection circuit, a logical operation circuit, a drive circuit and a control switch, wherein the state latch circuit is connected with the control signal processing circuit, the protection circuit, the logic The operation circuit is connected with the drive circuit, the control signal processing circuit is also connected with the logic operation circuit, the logic operation circuit is also connected with the drive circuit, and the drive circuit is also connected with the control switch. A solid-state relay provided by the present invention realizes that even if the external control power supply input is cut off, the control switch can be kept in the previous on or off state. Extremely low, which is beneficial to prolong the service life of solid state relays with state holding function.

The invention discloses a construction method of an irregular convex and concave facade structure scaffold, belongs to the field of building construction, and aims to solve the technical problem of how to set up an external scaffold and an external overhanging structure support system simultaneously. According to the technical scheme, the construction method is characterized in that the outer contours of all floors are overlapped and modeled through BIM and CAD software, an inner frame body and an outer frame body are integrally taken into consideration, and the ranges of the external scaffoldand an overhanging inner support frame are determined; and then electronic typesetting is carried out on arranging positions, length, angles and models of overhanging I-shaped steel so that materialscan be saved to the maximum extent. The construction method specifically comprises the following steps: 1, manufacturing a three-dimensional model, specifically, an appearance model of a building ismade in advance by utilizing BIM; 2, making an overhanging plan; 3, determining the overhanging range of the inner support frame; 4, determining the overhanging range of the external scaffold; 5, selecting and arranging the overhanging I-shaped steel; 6, constructing the overhanging inner support frame; 7, constructing a filling frame; and 8, dismantling a scaffold body, specifically, the scaffoldbody can be dismantled after the construction of outer wall decoration is finished.

The invention discloses an air non-return pressure relief device which comprises a non-return system, a pressure relief system and a switchover system, wherein the non-return system, the pressure relief system and the switchover system are communicated in sequence. The non-return system includes a connecting pipe and an air non-return valve which is communicated with one end of the connecting pipe. The pressure relief system comprises an energy-gathered pressure relief capsule which is communicated with the other end of the air non-return valve. The energy-gathered pressure relief capsule is connected with the switchover system through a transverse arm of a T-shaped three-way pipe, and a longitudinal arm of the T-shaped three-way pipe is connected with an air pressure inductor. According to the air non-return pressure relief device, the air non-return system, the pressure relief system and the switchover system are utilized. Not only can controllability and safety of the air be guaranteed, but also air impermeability is guaranteed. Meanwhile, pollution of air and chemical liquid caused by ray irradiation and air return is avoided.

The invention discloses a tundish baking and protecting system. The system comprises a baker, a tundish arranged below the baker, and a PLC. The baker comprises burners, a coal gas branch pipe and anair branch pipe. The multiple burners are arranged in the length direction of the tundish in a spaced and centered manner. An electronic igniter and a flame detector are arranged in each burner. The burners communicate with the coal gas branch pipe. The coal gas branch pipe is provided with a coal gas flow detector, a coal gas check valve and a coal gas flow adjusting valve. The burners communicate with the air branch pipe. An air flow detector, an air check valve and an air flow adjusting valve are arranged on the air branch pipe. All the detectors, all the valves and all the electronic igniters are connected with the PLC. The system has the beneficial effects that the protecting system can be used for protection for the overhauling mode and the baking mode, and safety control under all working states of a baking area of the tundish is effectively ensured.

The invention discloses a dangerous chemical road transportation environment risk early warning method. The method comprises the following steps that an environment risk point database is established, the environment risk point database comprises position information and environment risk information of all dangerous environment risk points, According to the position information and the environment risk information of the dangerous environment risk points, the dangerous chemical road transportation environment risk early warning method is established; the influence range is determined; when dangerous chemicals are transported, a vehicle predetermined driving route is planned in advance, all the dangerous environment risk points of which the vehicle predetermined driving route falls into the influence range are found out from the environment risk point database, and a road environment risk report is generated; the road environment risk report comprises position information and environment risk information of dangerous environment risk points around a predetermined driving route of the vehicle. The invention provides a dangerous chemical road transportation environment risk early warning method.

The invention relates to the technical field of secret-related carrier management, in particular to a secret-related carrier management method based on fingerprint identification and OCR technology, which mainly comprises an intelligent management flow of receiving and sending registration of secret-related carrier, a comprehensive management and application flow of secret-related carrier and an approval and review flow of work flow of secret-related carrier. The invention utilizes the centralized safety control and file access authority control mechanism of the power part of the confidentialarchives to implement the intelligent strict monitoring of the paper archives receiving and sending registration, and ensures the safety controllable, anti-diffusion, anti-leakage and intelligent responsibility recovery of the secret-related carrier borrowing process.