49results about How to "Realize active protection" patented technology

The invention relates to an apparatus for using multi-light source to achieve optical fiber gyrostat active anti-spreading reinforce which is characterized in that it connects a large power semiconductor laser LD on the couple input end of the optical fiber gyrostat light path to process the strong light needed by the fiber optic discolor; the front output end of the optical fiber gyrostat is connected with the input end of the collaborating control circuit to monitor the front output signal and quote the running condition of the gyrostat; the output ends of the collaborating control circuit are separately connected with the optical fiber gyrostat SLD light source and the large power semiconductor laser LD to periodically open and close the large power semiconductor laser LD; the output end of the collaborating control circuit is connected with the signal processing circuit to control the open and close of the optical fiber gyroscope demodulating system to achieve the active prevention of the gyroscope.

The invention relates to an early warning method and system for a vehicle collision event in a construction operation area. The method comprises the following steps of 1) acquiring millimeter wave radar reflection data of a vehicle, 2) acquiring real-time running state data of the vehicle by using millimeter wave radar reflection data of the vehicle, 3) judging whether the vehicle has an abnormal driving behavior or not based on the real-time running state data of the vehicle, and 4) sending an early warning signal to an alarm device in a construction area according to the abnormal driving behavior of the vehicle judged in the step 3). Compared with the prior art, the method can provide early warning for rear vehicle collision events for construction area operators, active protection of life safety of the construction area operators is achieved, the accident rate of the construction area is reduced, and the operation safety level of roads in the construction area is improved.

The invention discloses a rock slope vegetation system and a vegetation planting construction method, and aims to solve the technical problem that vegetation is difficult to grow due to the fact that part of slope surfaces have inverted slopes and smooth surfaces and no conditions for rooting of the vegetation and storage of nutrients and water exist in anti-gravity growth of the vegetation. The rock slope vegetation system comprises an iron gauze, a reinforcing mesh, a vegetation concrete base material base layer, a vegetation concrete base material surface layer and a vegetation layer. The vegetation planting construction method sequentially comprises the steps of rock slope surface treatment, surveying and setting-out, reinforcement system construction, spraying system construction, vegetation concrete spraying construction and slope surface treatment and maintenance. The device is simple in structure, scientific and reasonable in design and convenient to use, and can effectively solve the technical problem that vegetation is difficult to grow due to the fact that a part of slope surfaces have inverted slopes and smooth surfaces and no conditions for rooting of the vegetation and storage of nutrients and water exist in anti-gravity growth of the vegetation.

The invention provides a service request processing method and device, and the method comprises the steps: sending a query request for querying a server domain name to a domain name server DNS; receiving a query response returned according to the query request, the query response carrying a first identifier of an identification gateway IDGW; sending a service request to the IDGW according to the first identifier, the service request being used by the IDGW to convert the first identifier into a second identifier of a server, and forwarding the service request to the server according to the second identifier; and receiving a service response message which is returned by the server and responds to the service request. Through the method and the device, the problem that the normal service is influenced by randomly changing parameters for the server in the prior art is solved, the active protection on the target server is realized, and the safety of the whole server system is improved.

The invention discloses a fall-down early-warning intelligent carpet, comprising a base, a carpet body and a fixing block. The top of the base is glued and fixed with the carpet body, the carpet bodyis composed of separation units, and the bottom end of the base is fixed with electromagnetic switches, the top of each electromagnetic switch is provided with an igniter, an output end of each igniter is connected to a connecting pipe, the top of each connecting pipe is provided with a storage pipe, the top of the storage pipe is provided with an elastic outlet, an air bag is installed in each storage pipe, a signal receiver is fixed at the top of each connecting pipe, the bottom end of the fixing block is equipped with a signal transmitter, the bottom end of the fixing block is fixed with aprocessor, the output end of the processor is connected with the input end of the signal transmitter, the input end of the processor is connected with the output end of a sensor, and an alarm is fixedwith one side of the fixing block. The fixing block can be used to timely perform the fall-down early warning to a monitored person, and the air bag is popped up to actively protect the monitored person, which is more convenient to use.

The embodiment of the invention provides a data protection method, a generation method, a transmission method, equipment and a storage medium, and the data protection method comprises the steps: obtaining safety additional information corresponding to target data according to an access request of a current application program for the target data; determining the access permission of the current application program to the target data according to the security additional information corresponding to the target data; and if the access request of the current application program to the target datadoes not accord with the access permission, refusing the access request. In the embodiment of the invention, the data can be actively protected based on the security additional information corresponding to the data, and the abnormal access behavior for the data is blocked from the source, so that the data security can be effectively improved.

The invention discloses a train operation control method and system. The method comprises steps of building a virtual vehicle-mounted equipment model and a virtual trackside equipment model in groundcontrol equipment; based on the virtual vehicle-mounted equipment model and the virtual trackside equipment model, performing safety logic control on trains within the jurisdiction range of ground control equipment. The method is advantaged in that the virtual vehicle-mounted equipment model and the virtual trackside equipment model are arranged in the ground control equipment, so functions of thevehicle-mounted equipment are simplified, the number of safety equipment of the train operation control system and interfaces between the equipment are greatly reduced, system cost is reduced, and compatibility and safety of the system are improved.

The invention discloses a visual hidden danger distance measurement method based on a high-precision three-dimensional model of a power transmission line, and the method comprises the following steps: obtaining monitoring data of a target region, and scanning the target region to collect point cloud data; preprocessing the point cloud data, including removing redundant point cloud data, removing ground point cloud data and performing density inspection; and determining the position of the hidden danger target and measuring distance. According to the invention, on the premise of not changing the installed online monitoring and shooting device, three-dimensional reconstruction is carried out on the monitoring and shooting system by using the channel three-dimensional point cloud, a relationship between an image and a high-precision three-dimensional space scene is established, accurate calculation and measurement of a hidden danger target are realized, and the false alarm rate is reduced; an external damage hidden danger target is accurately positioned; height calculation and clearance distance calculation; and a hidden danger level and threat degree mechanism, thereby realizing hierarchical management and control of line risks.

The invention belongs to the technical field of fire protection and in particular discloses an oil and gas monitoring control method in a restricted space. The method comprises the following steps: detecting the oil and gas concentration and oxygen concentration in mixed gas in the restricted space, and finally performing security control according to the relationship between the oil and gas concentration and the oxygen concentration. According to two elements of fuel and oxygen, an oil-gas and oxygen control model is established, critical parameters of fire-proof and explosion-proof oil-gas and oxygen concentration are determined, and the ctive protection in the restricted space is realized by controlling the oil-gas and oxygen concentration in the restricted space.

The invention relates to an anti-disassembly hinge. The anti-disassembly hinge comprises a hinge, internal blocks and sleeves, wherein the hinge is formed by hinging of two plates, and the internal blocks correspond to the plates. An insertion portion provided with a lock hole is arranged on each plate, and a slider with a lock pin is arranged on each internal block. Stop blocks, penetrating the plates to be inserted into the internal blocks and penetrate the sliders, are arranged on the internal blocks. Limiting sliding grooves are formed in the stop blocks. Retaining blocks located in the limiting sliding grooves are arranged on the plates, and are connected with the internal blocks through springs. A first connection rod and a second connection rod are arranged on each internal block, and one end of the first connection rod is hinged with one end of the second connection rod. The first connection rods are hinged with the sliders, and the second connection rods are connected with rotating shafts. Hexagonal splines are arranged at the ends of the rotating shafts. The internal blocks are provided with insertion holes matched with the hexagonal splines. The sleeves are matched withthe hexagonal splines, and clearance holes are formed in the plates. A hinge disassembly prevention method includes inserting the lock pins into the lock holes slidably through a triggering device andseparating the lock pins from the lock holes through a pulling device so as to achieve locking and unlocking between the plates and the internal blocks.

The invention provides a network detection system based on big data analysis, which comprises a network interface, a network management module, a detection module, a security module, an analysis module, a processing module, an early warning module and a processor, and is characterized in that the detection module detects the states of the network interface and the network management module to obtain state data of a network communication channel; the security and protection module is used for filtering transmission data of the network interface so as to actively protect network communication data; the analysis module analyzes the data based on the data received by the user access end; the processing module is used for processing network abnormity and prompting abnormal data to the user access end; and the early warning module is used for carrying out early warning on the on-off state of the network transmission channel so as to realize interactive feedback prompt on the network state. According to the invention, data of each network interface is filtered through the analysis unit, so that active protection of risks is realized.

The invention relates to a differential active protection control method and device, equipment and a storage medium. The differential active protection control method comprises the steps of acquiring real-time operation data of a vehicle and the operation state of a traction control system (TCS), wherein the real-time operation data comprises the vehicle speed and the wheel speed difference of left and right wheels, and the operation state of the TCS comprises a first operation state and a second operation state; under the condition that it is determined that the real-time operation data and the TCS operation state meet the active protection function activation condition, obtaining the maximum allowable output torque value, which corresponds to the wheel speed difference, of a driving motor; and adjusting the torque of the driving motor according to the maximum allowable output torque value. The active protection function of the differential is activated, and the driving motor is controlled to adjust the torque, so that the wheel speed difference of left and right wheels is reduced, the rotation speed of a planetary gear of the differential is reduced, active protection of the differential is achieved, the failure risk of the differential is reduced, and the maintenance cost is saved.

The invention discloses a children traffic safety active protection system based on Bluetooth broadcast, and relates to the technical field of traffic safety active protection. The children traffic safety active protection system comprises a children client and a vehicle-mounted receiving end. The children client comprises a GPS positioning module, a step number statistics module, a data resolvingmodule, a Bluetooth transmission module and a communication module; and the vehicle-mounted receiving end comprises a vehicle-mounted Bluetooth module, a vehicle-mounted GPS positioning module, a vehicle body data acquisition module, an alarm situation generation module and a prompt module. The children traffic safety active protection system based on Bluetooth broadcasting realizes active protection of child traffic safety; and behaviors of children participating in the traffic process are monitored, and target information of children with high behavior danger levels is sent to the motor vehicle, so that active avoidance of the vehicle to the children is achieved, child safety and vehicle driving safety are guaranteed, and safety risks of drivers and the children are reduced.

The invention relates to a construction method of a heat insulation temperature reduction type asphalt concrete wearing layer. The method comprises the steps of (1), raw material selection; (2), material cooperation ratio designing: wasted ceramic tile recycled materials with equal volumes are adopted, namely equivalent granule group natural mineral aggregates in a conventional asphalt mixture arereplaced with the aggregates with two particle diameter levels of 4.75 mm and 9.5 mm, and the doping amount of the wasted ceramic tile recycled doping material is controlled to be 40%-60%; (3), heatinsulation temperature reduction type asphalt concrete wearing layer construction: 3.1), a synchronously construction method in which coating oil cloth spraying and mixture spreading are conducted isadopted for the heat insulation type asphalt concrete wearing layer with doped ceramic tile recycled materials; 3.2), optical-thermal reflection coating layer construction layer is conducted; 3.3), optical-thermal reflection coating layer caring is conducted; 3.4), a road is opened to traffic. The method is suitable for (high temperature) rutting resisting structural layer construction of variousroads and urban roads, particularly for the newly building or overlaying construction of a rutting resisting surface layer or a wearing layer of an asphalt road surface of a road section where ruttingdamage frequently occurs of heavy traffic, intersection and the like.

The invention discloses a protective semiconductor device, belonging to semiconductor devices. The invention aims to solve the technical problems of low response speed and low robustness and reliability of conventional protective semiconductor devices under high voltage or high power. According to a technical scheme in the invention, the protective semiconductor device comprises an N-type substrate region, wherein a P-type anode region is arranged at the bottom of the N-type substrate region; the top of the N-type substrate region is provided with a P-type base region; and the P-type base region is internally provided with an NVLD region which is variably doped along a horizontal direction. According to the invention, multiple times of electron-hole-electron-hole circulation reciprocation can be formed between the NVLD region and the P-type anode region, so strong current is formed between an anode and a cathode, and the working state of each cell is kept highly consistent due to the dynamic current sharing effect of the NVLD region. Therefore, when surge current occurs in an external circuit, a channel with large current can be formed between the anode and the cathode by actively controlling a trigger electrode, the surge current passing capability of the device is improved, and active protection of a circuit system is realized.

The invention relates to an intelligent active-protection type bus handle. The intelligent active-protection type bus handle comprises a top block (1), a ring-pull (2) arranged on the lower surface of the top block (1) and a connecting piece (3) arranged on the upper surface of the top block (1). The intelligent active-protection type bus handle further comprises a controlling module (4), a power source (5), a pressure sensor (6) and two electronic control protective caps. According to the invention, the conventional bus handles are improved, an electronic controlling structure is adopted, and the electronic control protective caps act on the wrists of people who grasp the handle, so that the people are protected, the stability and security of the people who grasp the handle are greatly improved, and the people who grasp the handle are protected to the utmost extent.

The invention discloses a herringbone ladder capable of achieving magnetic safety protection for multi-person climbing operation for building construction. The herringbone ladder comprises a main supporting frame and an auxiliary supporting frame, wherein climbing pedals are fixedly connected to the inner side of the main supporting frame and the inner side of the auxiliary supporting frame at equal intervals, a partition plate is fixedly connected to the position, located in the middle of the climbing pedals, of the inner side of the auxiliary supporting frame, construction safety mechanismsare fixedly connected to the positions, close to the upper portions, of the inner sides of the main supporting frame and the auxiliary supporting frame correspondingly, a movable groove is formed in the middle, close to the back face, of an outer supporting sleeve rod, an adjusting bearing is rotatably connected to the right side of the outer supporting sleeve rod, and magnetic safety supporting mechanisms are fixedly connected to the two ends of the bottoms of the main supporting frame and the auxiliary supporting frame correspondingly. The invention relates to the technical field of herringbone ladders. According to the herringbone ladder capable of achieving magnetic safety protection for multi-person climbing operation for building construction, the purposes of adjusting the shape of the herringbone ladder, achieving multi-person joint operation and improving the multi-environment utilization capacity of the herringbone ladder are achieved.

The invention discloses a neural network active protection method and system, a storage medium and computing equipment, and the method comprises the steps: extracting a first comparison watermark and a second comparison watermark which are matched with the number of layers from watermarks distributed to a network model and a user before the layer operation of the network model, and comparing the first comparison watermark with the second comparison watermark, and correct or wrong operation data is input according to a comparison result, so that active protection of the neural network is realized.

The invention relates to an anti-disassembly hinge. The anti-disassembly hinge comprises a hinge, internal blocks and sleeves, wherein the hinge is formed by hinging of two plates, and the internal blocks correspond to the plates. An insertion portion provided with a lock hole is arranged on each plate, and a slider with a lock pin is arranged on each internal block. Stop blocks, penetrating the plates to be inserted into the internal blocks and penetrate the sliders, are arranged on the internal blocks. Limiting sliding grooves are formed in the stop blocks. Retaining blocks located in the limiting sliding grooves are arranged on the plates, and are connected with the internal blocks through springs. A first connection rod and a second connection rod are arranged on each internal block, and one end of the first connection rod is hinged with one end of the second connection rod. The first connection rods are hinged with the sliders, and the second connection rods are connected with rotating shafts. Hexagonal splines are arranged at the ends of the rotating shafts. The internal blocks are provided with insertion holes matched with the hexagonal splines. The sleeves are matched withthe hexagonal splines, and clearance holes are formed in the plates. A hinge disassembly prevention method includes inserting the lock pins into the lock holes slidably through a triggering device andseparating the lock pins from the lock holes through a pulling device so as to achieve locking and unlocking between the plates and the internal blocks.

A solar cell panel frame active protection structure disclosed by the present invention comprises a fixed seat, a reduction gearbox, a motor, a cell panel installation frame, a pull pressure sensor and a controller, a first pin seat is arranged at the front end of the bottom of the cell panel installation frame, and the pull pressure sensor is arranged on the fixed seat and located below the first pin seat. The pull pressure sensor is provided with a second pin seat corresponding to the first pin seat, the rear end of the bottom of the cell panel installation frame is provided with a fixing plate, the fixing plate is provided with an arc rack extending downwards, and the output end of the reduction gearbox is provided with a gear engaged with the arc rack. Through the mode, according to the active protection structure for the solar cell panel frame, the stress condition of the second pin seat is detected by using the tension and pressure sensor, and the motor is rotated through the controller, so that the cell panel mounting frame is turned over downwards to reduce the windward surface, and the problems of wind impact and damage are actively reduced.

The disclosure provides a real-time early warning system and method for shield surrounding rock collapse disasters during TBM excavation, including a processor and a plurality of pressure sensing elements connected to the processor and arranged on the TBM shield; The real-time data of each pressure sensing element is interpolated to obtain the current TBM shield pressure distribution model, and the TBM shield pressure concentration area is determined through the distribution model, and the collapse disaster risk is defined as the surrounding rock area corresponding to the pressure concentration area area; this disclosure evenly arranges pressure sensing elements on the shield body, performs interpolation processing on the pressure data collected in real time, and then obtains the pressure model of the shield body, and obtains the concentrated pressure area through the model, and then realizes the protection of the shield body. Accurate judgment and early warning of surrounding rock collapse greatly improve the safety during TBM excavation.

The invention relates to an intelligent active protection bus handle, comprising a top block (1), a pull ring (2) arranged on the lower surface of the top block (1), and a connecting piece (3) arranged on the upper surface of the top block (1) ); also includes a control module (4), a power supply (5), a pressure sensor (6) and two electric control protection covers; based on the technical scheme designed in the present invention, it is connected to form an intelligent active protection bus handle, the intelligent active protection bus handle designed in the present invention The active protection bus handle is designed to improve the existing bus handle, and introduces an electric control structure. The protective cover body acts on the wrist of the grasper to realize the active protection of the grasper, which greatly improves the gripper's grip. The stability and safety of the grip handle ensure the safety of the gripper to the greatest extent.

The invention discloses an overspeed protection rail car which comprises an overspeed detection device, a trigger system and an emergency stop system. The overspeed detection device comprises a speed taking device arranged on the vehicle body, the input end of the speed taking device is in transmission connection with running wheels at the bottom of the vehicle body through a chain, and when the speed of the running wheels exceeds the designed speed, a moving screw sleeve at the output end of the speed taking device moves forwards and presses a valve element of a brake valve set in the trigger system. A pressure spring release device in the trigger system works to drive a swing arm to swing downwards, a ferrule on the swing arm clamps a grab hook device, and the other end of the ferrule is wound on a buffer with damping, so that the rail car is stopped in real time. The steel wire rope on the buffer is used for braking the rail car in real time, active protection of the rail transport vehicle is achieved, and accidents caused after the speed of the rail transport vehicle is out of control are eliminated from the source.

The invention provides a real-time early warning system and method for shield surrounding rock collapse disasters in a TBM tunneling process. The real-time early warning system comprises a processor and a plurality of pressure sensing elements connected with the processor and arranged on a TBM shield body, and the processor interpolates the acquired data according to the acquired real-time data ofthe pressure sensing elements to obtain a current TBM shield body pressure distribution model, determines a TBM shield body pressure concentration area through the distribution model, and takes a surrounding rock area corresponding to the pressure concentration area as a collapse disaster risk area. According to the system, the pressure sensing elements are evenly arranged on the shield body, interpolation processing is conducted on the pressure data collected in real time, then the pressure model of the shield body is obtained, the pressure concentration area is obtained through the model, then accurate judgment and early warning of collapse of surrounding rock of the shield body are achieved, and the safety in the TBM tunneling process is greatly improved.