74 results about "Active fire protection" patented technology

A fast acting active protection system for military vehicles defeats RPG (rocket propelled grenade) threats fired from close ranges. The system minimizes the hazard to troops and civilians nearby. The system uses a plurality of passive sensors to locate the threat and initialize the system. A low cost radar or laser tracker is used as the means to determine range, velocity, and (if required) angular position of the threat. The countermunition used may be one of several choices, with the requisites being that the countermunition provides fast response with low inertia, and is able to damage or destroy the detected threat. A multi-barrel recoilless gun is the weapon of choice. A launching device is used to deploy and aim the countermunition and the tracking means. On board software and electronics are used to control the system.

The invention discloses an intrinsically safe inerting protection method and an intrinsically safe inerting protection device for an oil storage tank, relates to a method and a device for active fire and explosion prevention of the oil storage tank, and aims to solve the problem of fire and explosion prevention of the oil storage tank. The method comprises the following steps: a, performing inerting on each oil tank in sequence to ensure that each oil tank achieves an inexplosive condition, namely, the oxygen concentration of gas in the tank is lower than 10 percent; b, detecting the pressure of a pipe network for supplying inert gas to the oil tank, and supplying the inert gas to the pipe network and inputting the inert gas to the oil tank through the pipe network if the pressure is lower than a set lower limit value; c, detecting the pressure of the pipe network for supplying the inert gas to the oil tank, emitting the inert gas in the pipe network if the pressure exceeds a set upper limit value; and d, detecting the oxygen concentration in the pipe network for supplying the inert gas to the oil tank, and repeating the step a if the concentration exceeds the set upper limit value. The device comprises a buffer device, a breathing pipe network, a first pressure transmitter, a second pressure transmitter, an online oxygen analyzer and an electric control device.

Method and apparatus for remotely controlling a fire protection system for buildings. This method of fire protection uses a wireless or wired control system to remotely activate a fire protection system by sending it an activation signal or activation message wherein one or more commands can configure the system with specified operation instructions. The system utilizes roof top sprinklers and may additionally utilize existing irrigation systems or additional zones only used during the prevention of wildfires to wet down area in advance of fires. The system can be controlled by various municipal fire authorities that are given the authority to control fires. Immediate control of the system is always available to the transmitting authority. When activated, the central processor communicates to the authority that activated the fire protection system. The central processor transmits information back to the transmitting authority such as but not limited to water flow confirmation, water pressure, air temperature, roof temperature, wind direction, humidity and still or live images of the protected property.

Embodiments include active protection systems and methods for an aerial platform. An onboard system includes one or more radar modules, detects aerial vehicles within a threat range of the aerial platform, and determines if any of the plurality of aerial vehicles are an aerial threat. The onboard system also determines an intercept vector to the aerial threat, communicates the intercept vector to an eject vehicle, and causes the eject vehicle to be ejected from the aerial platform to intercept the aerial threat. The eject vehicle includes a rocket motor to accelerate the eject vehicle along an intercept vector, alignment thrusters to rotate a longitudinal axis of the eject vehicle to substantially align with the intercept vector, and divert thrusters to divert the eject vehicle in a direction substantially perpendicular to the intercept vector. The eject vehicle activates at least one of the alignment thrusters responsive to the intercept vector.

A mobile firefighting station includes a trailer having opposed ends and a platform therebetween. The trailer may include an axle and wheels so as to be mobile. The mobile firefighting station includes firefighting equipment such as a water tank, a foam fire retardant tank, a water hose with nozzle, and a water cannon operatively interconnected and operated by a fluid delivery assembly. The fluid delivery assembly includes a pump to pressurize a fluid stream. An electricity generator is positioned on the platform and electrically connected to components requiring electricity. The apparatus includes a communications module electrically connected to the generator and having a wireless internet connection and a user interface such that tank fluid levels, fuel levels, maintenance records, weather data, and active fire details are selectively communicated to a remote location using the wireless internet connection.

The invention discloses a fire protection and security integrated intelligent video monitoring system suitable for open space and relates to the technical field of the fire protection and security. According to the system, international leading artificial intelligence and an image processing technique are combined, flames and smoke can be detected simultaneously, not only is a fire alarm function for the fire protection achieved, but also functions such as invasion alarm for the security are integrated, a plurality of technical indexes reach a domestic leading level, the alarm is timely, response time for identifying the flame and the smoke only needs 2-5 seconds, the fire alarm in a quite early stage can be generated timely and the monitoring system is stable and reliable, 24-hour operation in the smallest detection area of the flames and smoke detection in large space indoors can be achieved, and interference caused by various light sources, highlight backgrounds and changes of light rays can be filtered. Complex environment conditions such as spatial height, thermal barrier, explosion or poison have little limit to non-contact detection of targets, and an effective solution is provided for the fire detection and the invasion alarm for the security in the large space indoors, the open space and special places where the existing detecting methods are not effective.

The invention discloses a fire protection and extinguishing device based on an unmanned aerial vehicle and belongs to the technical field of fire protection and extinguishing.The fire protection and extinguishing device comprises a rack, a flight hoisting mechanism, a fire extinguishing bomb fixing mechanism and a fire extinguishing bomb releasing mechanism; the rack comprises rack arms, a fixing frame and a foot stand, the rack stretches out of the rack arms along a rack body, and the lower portion of the rack body is provided with the fixing frame and the foot stool; a motor-controlled propeller of the flight hoisting mechanism rotates at different rotation speeds, and the periphery of the propeller is provided with a protection hood; a hoop of the fire extinguishing bomb fixing mechanism is connected with the fixing frame to jointly fix fire extinguishing bombs; first pins of the fire extinguishing bomb releasing mechanism are inserted into bottlenecks of the fire extinguishing bombs, and an electromagnetic unit controls the first pins to be pulled out to release the fire extinguishing bomb.The fire protection and extinguishing device can play a good role in monitoring fire protection in complex fire scenes such as a city high-rise building and forests, fire scene information is positioned efficiently and accurately with low cost, meanwhile the purpose of extinguishing fire rapidly can be achieved, information of trapped personnel can be obtained flexibly, and it is convenient to apply and popularize the fire protection and extinguishing device.

The invention provides an active protection system and a method thereof for preventing secondary damage of pedestrians, belongs to the technical field of automobiles and solves the problem that pedestrians are not efficiently protected when vehicles and pedestrians collide in the prior art. The active protection system comprises a vehicular control unit, a collision sensor, an automobile forward sensor, a pedestrian protection air bag device and a capture device. The method includes steps of A, detecting collision acceleration of the collision sensor, and detecting property and prior-collision motion states of an object to be collided by the automobile forward sensor; B, controlling the pedestrian protection air bag device to inflate and unfold an air bag when collision intensity exceeds the threshold; C, predicting flight path of the object according to the collision strength and the collision position, so as to correspondingly simulate moving track parameters of a current capture net and controlling the capture device to capture and wrap the object according to the moving track parameters of the current capture net. By the active protection system and the method thereof, secondary damage to the pedestrians can be effectively prevented, and safety of the pedestrians is protected to the greatest extent.

A method and apparatus for fire prevention in electronic equipment utilizes infrared imaging technology to monitor a substantial region of an enclosure within the electronic equipment. For example, a shelf within a computer cabinet may have a lens and thermal sensor array placed within to detect changes in temperature. A processor interprets the data from the thermal sensor array to determine whether to send an alert to an operator and / or to shut down a power supply.

A system and method include a controller that reduces power dissipated by a switch, such as a source-controlled field effect transistor, when an estimated amount of power dissipated by the switch exceeds a predetermined threshold. Reducing the power dissipated by the switch prevents damage to the switch due to overheating. The controller determines the estimated amount of power dissipated by the switch using actual drain-to-source current and drain voltage data. In at least one embodiment, the controller includes a fail-safe, estimated power dissipation determination path that activates when the drain voltage data fails a reliability test. Additionally, in at least one embodiment, the controller includes a model of thermal characteristics of the switch. In at least one embodiment, the controller utilizes real-time estimated power dissipation by the switch and the model to determine when the estimated power dissipated by the switch exceeds a power dissipation protection threshold.

A composite system capable of protecting a substrate from a jet fire including a lower layer of an active fire protective material and an upper layer of a fire protective material. The upper layer forms an open cell matrix when exposed to a jet fire to permit passage of gasses from the lower layer to ambient. The upper layer comprises a fill of refractory material and protects the system during initial exposure to a hyperthermal condition. The upper layer swells on exposure to hyperthermal conditions, but swells less than the lower layer.

The invention discloses a fire monitoring and fire extinguishing robot for fire protection of an oil tank storage area. The fire extinguishing robot comprises a movement module, a sensor module, a communication module and a fire extinguishing module, wherein the sensor module, the communication module and the fire extinguishing module are carried on the movement module; the movement module comprises a machine frame, main crawlers are respectively arranged at the two sides of the machine frame, auxiliary crawlers are respectively arranged at the two ends of each main crawler, each main crawler and the corresponding auxiliary crawler are driven by a motor module which is arranged in the machine frame, the motor module is connected with a motor control circuit, a storage battery box is arranged above the machine frame, and a box body is arranged on the storage battery box. The fire extinguishing robot has the advantages that the fire source identifying capability is higher, the information of surrounding environment of the fire source can be transmitted into a control room in real time, and the fire extinguishing and rescue operations can be favorably performed; the influence caused by adverse effects, such as nighttime and insufficient illumination light, can be overcome; the fire extinguishing capability is high, the fire extinguishing robot can be combined with the existing fire extinguishing system of the tank area, and the sustained fire extinguishing capability is realized.

The invention discloses a fire protection, perimeter protection and video monitoring linkage system for an unattended transformer substation, which is characterized in that an electric power integrated data network (4) is respectively connected with a monitoring center platform (1), a client-side (12), an integrated access server (2) and two switches (3); a video monitoring system (11) is directly connected to the electric power integrated data network (4); a perimeter protection device (6), a fire protection device (7), an illumination sensor (9) and a lighting controller (10) are connected to the electric power integrated data network (4) through a serial server (5) and the integrated access server (2); and the lighting controller (10) is connected with a lighting lamp (8). The structure of the system disclosed by the invention is simple and practical, and meanwhile, the system can be integrated with the fire protection system and the perimeter protection into a uniform video monitoring platform so as to realize resource sharing and cooperative work, thus greatly improving the safety management level and working efficiency of the operating environment of the unattended transformer substation.

The invention relates to an efficient cleaning device used after fires, in particular to an efficient cleaning device used for fire protection after fires. The efficient cleaning device used for fire protection after fires is high in cleaning efficiency, small in repeat count, thorough in cleaning, and not prone to causing secondary fires. In order to solve the technical problems, the efficient cleaning device used for fire protection after fires comprises a first brush, a first rack, a second rack, a second brush, a left support, a first supporting rod, a first gear, a second gear, a lifting frame, a lifting cylinder body, a piston and the like. The left support, a first swing base and a guide plate are sequentially arranged on a trolley from left to right. The efficient cleaning device achieves the effects of being high in cleaning efficiency, small in repeat count, thorough in cleaning and not prone to causing secondary fires. Plenty of manpower and material resources are saved, the design is extremely humanized, the applied range is wide, and the efficient cleaning device can be accepted by people easily.

The invention discloses a charging method and device capable of achieving active protection in a multi-gun charging mode of an electric car. The charging method comprises the steps that according to comparison relation between obtained values of charging voltage and / or charging currents fed back by a battery management system (BMS) of the electric car which is connected with a main charger and serves as a target car, and obtained values of charging voltage and / or charging currents output by all charging guns, whether the charging guns of all chargers are connected to the target car or not is judged through a monitoring module of the main charger; if yes, connection is normal, all the charging guns continue outputting charging electric energy required by charging of the target car till the charging finishing condition is met; and if not, connection is abnormal, the monitoring module of the main charger outputs a turn-off control signal to control a power module to stop charging and outputs warning information. According to the charging method and device, misoperation that multiple gun heads are connected with different electric cars in the multi-gun charging mode is recognized in time, charging output is turned off, and potential safety hazards are avoided.

The invention provides an active protection system for a wireless self-organized network in the technical field of network security, comprising a monitoring agent, a decision-making agent and a blocking agent, wherein the monitoring agent is in charge of acquiring action information of each neighborhood node around the monitoring agent; the decision-making agent is in charge of monitoring a region in the network, gathering information of the monitoring agent in the region, and making the gathered information formed into an action sequence of a certain node in a period, and compares the action sequence with a routing protocol, if the action does not accord with the routing protocol, the action is determined to be an intruder, after the intruder is found, the decision-making agent transmits a protection command to the blocking agent; the blocking agent forms a moving firewall to encircle and separate the intruder, after the blocking agent receives the protection command transmitted by the decision-making agent, simultaneously, a communication link of the network is disconnected to prevent the intruder from sending and receiving any messages. The active protection system greatly reduces the network resource consumed by active protection.

The invention belongs to the technical field of replacing batteries of an electric vehicle, and specifically relates to a container type fire extinguishing system of a battery swap station. The container type fire extinguishing system comprises a fire prevention system and a drive fire extinguishing system, wherein the fire protection system comprises a charging room positioned in a container; a charging frame is arranged in the charging room; a plurality of charging storage bins are arranged on the charging frame; and each charging storage bin comprises a square chamber which consists of fourfire protection baffle plates, a sealing plug door and an emergency bin door which is arranged on the side wall of the container. According to the container type fire extinguishing system disclosed by the invention, battery safety can be guaranteed to the greatest extent in a mode of combining passive fire protection and active fire protection, so that the emergency processing problem generated after fault fire happens in a battery charging process is solved.

The invention discloses a fire protection system for a substation. The technical problem that an existing substation cannot deal with a fire accident is solved. The fire protection system for the substation comprises a drive device and a fire extinguishing device. The drive device comprises a sliding rail and a sliding block connected to the sliding rail in a sliding manner. The sliding block is provided with a first wireless servo motor. An output shaft of the first wireless servo motor is provided with a gear. The sliding rail is provided with a rack. The gear and the rack are meshed for transmission. The sliding block is provided with a stretching mechanism capable of stretching downwards, an installation board arranged on the stretching mechanism and a second wireless servo motor for driving the stretching mechanism to stretch. The fire extinguishing device is installed on the installation board and comprises a box, a high-pressure cylinder and a spray pipe. The box is provided with a storage chamber used for storing dry powder. The spray pipe is communicated with the storage chamber. A wireless electromagnetic valve is arranged on an opening of the high-pressure cylinder and connected with a two-way pipe.

The invention provides a train active safety protection system based on ultra-wideband technology. The train active safety protection system based on the ultra-wideband technology comprises two trainvehicle-mounted devices, a UWB device, a microcomputer interlocking monitoring system and a ground monitoring center. The two train vehicle-mounted devices are separately arranged at the front and rear ends of the train, the train vehicle-mounted devices comprise positioning units, vehicle-mounted hosts and train controllers. The positioning units are used for positioning the train and communicating, and the vehicle-mounted hosts are used for monitoring the real-time accurate distance between the train and other vehicles and between the train and a ground fixed node device. The UWB device is connected to the train vehicle-mounted devices for communicating with the train through UWB signals and measuring distance through a TW-ToF mode and outputting distance data with the train. The UWB device is further connected to the ground monitoring center for data transmission. The ground monitoring center comprises a monitoring center server for generating accurate position data of train according to the distance data output by the UWB device.

The embodiment of the invention discloses a device and a fire prevention method. The device comprises a device body, an air inlet, an air outlet, an inlet air temperature detecting device, a control center, an air inlet control device and a cooling air channel, wherein the air inlet and the air outlet are arranged on the device body; the inlet air temperature detecting device is positioned at the air inlet of the device body and used for detecting the temperature value of an air flow entering the device body from the air inlet and sending the temperature value to the control center; the control center is used for judging the temperature value, and sending a shutdown signal to the air inlet control device when the temperature value is larger than a threshold value; the air inlet control device is used for shutting down the air inlet and the air outlet of the device body according to the shutdown signal; and the cooling air channel is positioned at the air inlet of the device body and used for cooling external high-temperature gas and / or flame in a fire disaster when the external high-temperature gas and / or flame enters the device body through the cooling air channel. Due to the active fire prevention design, the fire disaster outside the device can be detected automatically, so that the damage on the equipment caused by the external fire disaster can be avoided.

The invention discloses a fire protection system, comprising a vehicle body, a fire annihilator pipe arranged on the main body, and an aircraft for driving the fire annihilator pipe to move and lift, wherein the fire annihilator pipe comprises a pipe body with a central empty chamber; a plurality of containing holes penetrating through the two ends of the pipe body are arranged on the wall of the pipe body along the axial direction of the pipe body; the containing holes are used for containing pipelines, cables or wires. Due to the fire annihilator pipe and the plurality of containing holes for containing pipelines or wires on the wall of the pipe body, the fire protection system does not need to change pipeline when being used; the fire annihilator pipe enables various pipelines to gather, therefore, the fire protection system improves the working efficiency, can be put at high temperature and prolongs the service life.

The invention discloses a nitrogen injection and oxygen control active fire prevention system. The nitrogen injection and oxygen control active fire prevention system comprises a nitrogen supply device, a control module and at least one fire prevention protective space; the nitrogen supply device introduces nitrogen into the fire prevention protective space; and the control module comprises a main controller, an oxygen concentration upper limit module, an oxygen concentration lower limit module, an alarming controller and an alarming device. The using method of the nitrogen injection and oxygen control active fire prevention system includes the following steps that firstly, a threshold is set; secondly, nitrogen is input; thirdly, the concentration value of oxygen in the fire prevention protective space is detected; and fourthly, the oxygen concentration value is judged. The nitrogen injection and oxygen control active fire prevention system accurately achieves the condition of guaranteeing safety in real time, plays an active fire prevention effect and guarantees the safety of the environment, personnel and property.

The invention discloses an active protection system for electromagnetic radiation information leakage in high-frequency data transmission, relates to the field of computer information security, and aims to solve the problem that an existing electromagnetic radiation information leakage protection system cannot determine whether information leakage exists or not. A radio frequency transceiving system is used for receiving an electromagnetic radiation signal and sending the electromagnetic radiation signal to a control system, and is also used for transmitting a random noise signal and a bait information signal; the control system is used for controlling the random noise signal and the bait information signal transmitted by the radio frequency transceiving system according to the received electromagnetic radiation signal; and an early warning server is used for giving an alarm when an attacker uses bait information. The system is suitable for actively protecting the electromagnetic radiation information leakage.

A system and method include a controller that reduces power dissipated by a switch, such as a source-controlled field effect transistor, when an estimated amount of power dissipated by the switch exceeds a predetermined threshold. Reducing the power dissipated by the switch prevents damage to the switch due to overheating. The controller determines the estimated amount of power dissipated by the switch using actual drain-to-source current and drain voltage data. In at least one embodiment, the controller includes a fail-safe, estimated power dissipation determination path that activates when the drain voltage data fails a reliability test. Additionally, in at least one embodiment, the controller includes a model of thermal characteristics of the switch. In at least one embodiment, the controller utilizes real-time estimated power dissipation by the switch and the model to determine when the estimated power dissipated by the switch exceeds a power dissipation protection threshold.

The invention discloses a fire extinguish wall. A plurality of cavities (14) are formed in a wall body (11). Columnsyns (13) are arranged between the cavities (14), and the cavities (14) communicate with one other through charging channels (15). A fire extinguish material is loaded in each cavity (14). Material feed openings (12) are formed in the upper portion of the wall body (11). Material discharging openings (16) are distributed in the two sides of the wall body (11). A fire extinguish control system installed on the wall body (11) comprises a processor, fire extinguish alarming devices, a plurality of smoke sensors and temperature sensors, and the smoke sensors and the temperature sensors are distributed on the two sides of the wall body (11). The smoke sensors, the temperature sensors and the fire extinguish alarming devices are connected with the processor, and the fire extinguish alarming devices are arranged on the material discharging openings (16). Fire protection and fire extinguish devices are arranged in the space of the four walls of a room, the wall spaces are fully used for achieving proactive fire protection and fire extinguish, and the walls can be repeatedly used, so that the cost is reduced. The four walls respond simultaneously, the fire extinguish effect is good, secondary waterlogging loss is avoided, and safety is ensured.

Fire protection mist nozzles for industrial oil cookers, oil cookers with fire protection systems, and method of oil cooker fire protection are provided. The mist nozzles operate at pressures between 170 and 250 psi, and provide a unique distribution pattern that allows for variable installations for protection in certain operative environments including oil cookers with various hood configurations. The fire protection nozzles includes a base defining an inlet and an outlet along an axis. The base includes an orifice having an inlet diameter and an outlet diameter. The outlet diameter is preferably greater than the inlet diameter; and the orifice defines a K-factor of less than 1.0 gpm / psi½. The nozzle includes a diffuser aligned with the orifice. The diffuser has a preferably substantially domed portion with a maximum diameter that is less than the summation of the inlet diameter and the outlet diameter of the orifice.

The present disclosure concerns a child car seat comprising an active protection system and a system for triggering the active protection system when needed.

The invention discloses a wall fire extinguishing apparatus. A plurality of cavities are formed in walls, column bars are arranged between the cavities, and the cavities are communicated through feeding channels; fire extinguishing materials are contained in each cavity, feeding openings are formed in the upper portions of the walls, and one feeding opening is connected with a fire extinguishing tank through an inflaming retarding gas conveying pipe; discharging openings are distributed in the two sides of each wall; a fire extinguishing control system installed on each wall comprises a processor, a fire extinguishing alarm device, a plurality of smoke sensors and a plurality of temperature sensors, the smoke sensors and the temperature sensors are distributed on the two sides of the corresponding wall, and the smoke sensors, the temperature sensors and the fire extinguishing alarm devices are connected with the processors; and the fire extinguishing alarm devices are arranged on the discharging openings. According to the wall fire extinguishing apparatus, the fire prevention and fire extinguishing alarm device is arranged in a space of the walls on the four faces of a room, active fire prevention and extinguishing can be achieved by sufficiently using the spaces of the walls, repeated utilization can be achieved, and the cost is saved; and the walls on the four faces make responses at the same time, multiple choices are provided for the fire extinguishing process through the fire extinguishing tank, the fire extinguishing effect is good, secondary waterlogging losses can be avoided, and safety is guaranteed.