1695results about "Safety equipments" patented technology

Personnel and vehicle collision avoidance devices configured to be used in collision avoidance systems are disclosed. The collision avoidance devices are configured to be aware of the context (e.g. position, location, state, status, etc.) in which the person or vehicle is. This awareness allows the devices to avoid transmitting non-hazardous proximity warnings when the context does not warrant the transmission of proximity warnings, and to transmit special critical proximity warnings when the context warrants the transmission of such proximity warnings. To detect the context, the devices comprise one or more context-awareness mechanisms (e.g. user input interfaces, sensors, infra-red receivers, etc.), each of which being capable of detecting one or more particular contexts. A collision avoidance system comprising these personnel and vehicle collision avoidance devices is also presented.

The invention belongs to the field of construction safety monitoring and wireless communication and discloses a construction tunnel safety protection method based on a wireless sensor network and a monitoring system thereof. The method is as follows: by acquiring environment, work amount and locating data of personnel in a tunnel, realizing alarming services of six types of dangerous situations and corresponding safety protection means, calling a protection plan to take protection measures on key parts of the system when emergent (dangerous) events occur, and with the purpose of guaranteeing personal safety, releasing a control command. The system comprises a wireless sensor network based on industrial wireless communication standard WIA-PA, a positioning network and a mobile network. If the dangerous situation develops further, the system exchanges data with a remote mobile server by a 3G network, leads a community security system into the range of a construction tunnel safety protection system, and provides united rescue of communities and disaster control services. The invention is used for tunnel construction safety monitoring, and a computer or 3G mobile equipment can obtain construction site information at any time; and the installation of the WIA-PA wireless network is flexible, and the formed safety protection system and sensing early-warning network make contribution to solving the problem of tunnel safety construction fundamentally.

The invention relates to an intelligent type full-automatic combined coal mining system, which comprises a coal mining and loading device, a conveying device, a supporting device, and an equipment train, and is mounted in the working face and crossheading in the coal mine well. The coal mining and loading device is mounted on the conveying device, the coal conveying port of the conveying device is conveyed to the outside of the well or the coal bunker through a belt type conveyor in the crossheading, the supporting device is arranged behind the conveying device for supporting the top plate of the coal seam and linking with the conveying device, the equipment train comprises a central control chamber of a central control equipment, a starter, a power device, and a lifesaving cabin, the central control equipment monitors and controls the coordination operation of the devices, the equipment train, and the power device of the equipment train, the power device provide power source for the devices and the equipment train, and the equipment train moves freely in the crossheading with the feeding of the working faces. The invention improves system complete ability and execution efficiency, and has strong function, high intelligent degree, high safety, high production efficiency, and the like.

The invention discloses a system and a method for controlling an underground coal mine rescue robot, and relates to the technical field of robot control. The system comprises a communication module, an environment perception module, a self perception module, a barrier avoidance module, a motor drive module, an autonomous navigation module, a data acquisition control module, a visual perception module, a remote monitoring module and an automatic cooling module. The system is provided with a remote monitoring mode and an autonomous navigation mode. The distributed control of a dual-layer network framework is adopted, so that the system is flexible in structure; the number of rescue robots is conveniently adjusted due to the flexibility of combination of optical fiber communication with wireless communication, so that the rescue task can be performed by one or more robots; the running safety of the robot is improved and the intelligent level of the robot is increased due to the remote monitoring and autonomous navigation functions; and the robot control system is guaranteed to run reliably due to the automatic cooling system.

The present invention relates to a lamp support capable of stably and firmly mounting a lamp, and a backlight assembly and a liquid crystal display including the lamp support unit. The lamp support unit includes a socket housing, a socket terminal disposed in the socket housing gripping a lead of a lamp and a supporting member installed to the socket housing and supporting a lamp tube of the lamp.

The invention discloses a door, which comprises a door frame, a door leaf and an opening and closing mechanism, wherein the door leaf is hinged on the door frame, and a secondary sealing structure is adopted between the door leaf and the door frame; the door leaf comprises a basal body and a heat insulation layer; the opening and closing mechanism comprises a rotating shaft, a connecting flange, a connecting rod and a guide sleeve; the rotating shaft passes through a light hole penetrating the door leaf and can rotate in the light hole; on the inner side of the door leaf, the rotating shaft is in threaded connection with the connecting flange; the connecting rod is hinged on the connecting flange; and the connecting rod passes through the guide sleeve arranged on the door leaf. The door is mainly used as a capsule door of a rescue capsule for mine to solve the problems of complex structure and poor sealing and heat insulation effects of the capsule door opening and closing mechanism of the conventional rescue capsule for mine, can also be used as a door of a cabin, a cold store or the like, and has the advantages of simple structure of the opening and closing mechanism and good sealing and heat insulation effects.

The invention discloses a living environment control system in a coal mine underground movable lifesaving cabin, comprising a lift support system and an air-conditioning system, wherein the life support system is composed of an air circulating system, an air purification system and an oxygen regenerator; the air-conditioning system has a refrigerating system, a phase-change material cold accumulation system and a heat exchange system; and the invention has simple structure and convenient use, miners can enter into the cabin to start the living environment control system of the movable lifesaving cabin according to the requirements of operating instructions when a mining accident happens, and the lift support system adopts a proven aerospace and submarine oxygen regeneration principle to work stably and reliably. High pressure oxygen cylinder with explosion risk can be saved in the cabin, thus reducing the shockproof requirement on the cabin and greatly reducing the volume of a CO2 absorption device; and the refrigerating system in the air-conditioning system is characterized by adopting no transmission parts (vortex tube refrigeration) or less transmission parts (turbo-expander refrigerator) and having no power demand, thus avoiding depending on power in the traditional refrigeration mode.

The invention discloses a search and rescue system based on crawler robots. A network system consists of three types of crawler robots, i.e. a relay robot, a front-end robot and a tail-end robot; the robots are networked and communicated through a ZigBee technology; a search and rescue network is built through the advance of the robots; and trapped person search and rescue, position determination, thermal infrared image transmission and Bluetooth voice intercom are contained in the whole system. The system has the benefits that a rapid networking strategy of ZigBee is applied to robot bodies, the underground rescue network is networked and built by utilizing the dynamic and parallel advance of the robots, and the positioning of underground staff when mine disasters occur and the acquisition of environmental information are realized.

The invention discloses a disaster-situation accompanying robot which comprises a master-control platform, a lifting mechanical arm and an electric power line, wherein the lifting mechanical arm is arranged on the master-control platform, the electric power line is used for conveying driving electric power, a vehicle-mounted integrated-control computer and positioning and navigation equipment are arranged on the master-control platform, an environmental-gas parameter-detection sensor, a wind-speed and wind-direction parameter-detection sensor, voice communication equipment, a temperature sensor and a navigation and monitoring video camera are arranged on the mechanical arm, the electric power line is used for transmitting remote-control signals and detected data while conveying the driving electric power, and the remote-control signals are transmitted to the vehicle-mounted integrated-control computer by a remote-control end through the electric power line to control each equipment arranged on the robot to finish instruction working. The disaster-situation accompanying robot can be driven through manual remote control, is used as the trailbreaker of rescue personnel, firstly enters a mine to underground acquire information, such as gas, oxygen, temperature, wind speed, coal dust, water levels, collapse an the like to be transmitted to the ground through a plurality of sensors loaded on the disaster-situation accompanying robot and supplies a basis for rescue scheme decision-making.

The invention relates to a high-pressure refrigerant-driven refrigeration and purification integrated machine and a method, and belongs to the field of safety lifesaving. The machine is characterized by mainly comprising a high-pressure storage tank device, a cooling dehumidification device, an air purifying device and a water storage device. According to an air conditioning and purifying method of an non-electric air conditioning and purifying system, the method is characterized by comprising the following steps that: high-pressure liquefied gas in a high-pressure gas tank passes through a reducing valve, a primary evaporator, a hand valve, a pneumatic fan and a secondary evaporator to cyclically reduce temperature and dehumidify surrounding air. Due to the negative pressure effect of the pneumatic fan, air enters from an air inlet of the air purifying device, and then enters an air duct after being purified by an air purifying agent, a condensate water tray is used for collecting condensate water of the primary evaporator and the second evaporator, and the condensate water can flow into a collecting tank for use through a water purifier. Compared with a conventional mine escape capsule refrigeration and purification system, the high-pressure refrigerant-driven refrigeration and purification integrated machine has the outstanding advantages of strong heat transfer, excellent economic performance and simplicity in installation and maintenance.

The invention discloses a tunnel connecting passage construction method for directly cutting segment rings through a pipe jacking machine. The method comprises the following steps: respectively assembling a plurality of special segment rings in preinstallation positions of a first tunnel and a second tunnel, performing tunnel exit preparation for the pipe jacking machine, cutting the special segment rings for tunnel exit through the pipe jacking machine, propelling the pipe jacking machine, performing tunnel entrance preparation for the pipe jacking machine before the pipe jacking machine reaches the second tunnel, cutting the segment rings for tunnel entrance through the pipe jacking machine to form a connecting passage, plugging a tunnel opening, and ensuring that the connecting passage is respectively connected with the first tunnel and the second tunnel. As the method is adopted, the tunnel connecting passage construction risk can be effectively reduced, the tunnel connecting passage construction safety is guaranteed, and simultaneously, the tunnel connecting passage construction speed is increased, and the method has the characteristics of safety, reliability, convenience, high efficiency, long construction distance and high applicability.

The invention discloses a protective sealing door for an underground refuge chamber. The protective sealing door comprises a door frame and a door plate, wherein the door plate is arranged on the door frame through a rotation shaft; a locking mechanism for locking the door plate on the door frame is arranged on the door plate, a plurality of first reinforcing ribs for reinforcing the strength of the door plate are arranged in the door plate; heat-insulating materials, namely aerogel heat-insulating felts are filled among the reinforcing ribs; at least two annular sealing rings, namely flame-resisting sealing rings are arranged at the joint of the door plate and the door frame; and the periphery of the door plate is locked by the locking mechanism. According to the protective sealing door, the aerogel heat-insulating felts which can bear the temperature of 1,400 DEG C to the maximum are filled in the door plate, so that the door plate can resist high temperature generated during explosion, and the high temperature is insulated out of the refuge chamber; at least two sealing rings which are made of flame-resisting, anti-static, high temperature-resisting and oil-resisting materials are arranged on the contact surface of the door plate and the door frame, so that the protective sealing door has a good sealing effect.

The invention provides an energy-saving mining multimedia emergency rescue communication system, which comprises the core equipment of a mining multifunctional wireless Mesh gateway, a mining multifunctional wireless Mesh router and a multimedia service server, wherein each of the gateway and the router is provided with a master control system board and a WiFi Mesh system board; the master control system board is provided with a master controller of which a power control end is connected with a WiFi Mesh system power input gating module; and the WiFi Mesh system board is provided with a subcontroller and a WiFi intelligent access card. The system is characterized in that: the master controller of the gateway is provided with a gateway energy-saving control system, while the master controller of the router is provided with a routing energy-saving control system. The gateway energy-saving control system is organically integrated with the routing energy-saving control system to implement an energy-saving control method for controlling the working state of a high-power consumption WIFI system by using a low-power consumption embedded subsystem and combining a software dormancy mechanism and a hardware dormancy mechanism, and effectively prolong the standby time of the equipment.

The invention provides an embedded double-line central oxygen supply lifesaving system for a mine refuge chamber. An embedded mine refuge chamber lifesaving cabin body is arranged inside a mine chamber; the cabin body is a sealed inflated flame-retarding double-layer lifesaving cabin body; a compressed air pipeline port running through the cabin body and a communication data line interface are arranged on the cabin body; and a double-line central oxygen supply lifesaving system, a carbon dioxide absorber, a power carrier communication device, a UPS power source, an RFID personnel identification system, a video safety monitoring system, an automatic toxic and harmful gas detector, a sealed physiological excretion discharger and a survival food storage cabinet are arranged inside the cabin body. The double-line central oxygen supply lifesaving system is connected with central air and oxygen supplying masks and is connected with the compressed air pipeline port. The power carrier communication device is connected with the communication data line interface. The embedded double-line central oxygen supply lifesaving system can provide a shelter, oxygen and living spaces for the mineworkers in the case of mine disasters and can have the functions of saving life and providing refuge; meanwhile, the embedded double-line central oxygen supply lifesaving system is provided with a double-line oxygen supply system.

A system and/or method for increasing safety in areas in which people work and/or through which people travel that potentially may become blocked (e.g. mines, mineshafts, tunnels, etc.) is provided. In certain example embodiments, a system and/or method is provided wherein a sensor locates individuals who may be trapped and conveys their location(s) after an area becomes blocked. Sensors may be disposed throughout the area, located on individuals, etc. Sensors may be located behind protected coverings (e.g. glass), and they may locate individuals through, for example, low power, ultrasound, infrared techniques, etc. In certain example embodiments of this invention, one or more conduits may provide a supply of breathable air to individuals who may be trapped after the area becomes blocked.

An apparatus for treating a medium, the apparatus including structure for generating a flow of a working fluid in a flow path, treatment structure for subjecting the medium to treatment and a delivery device for delivering the medium to the treatment structure, the treatment structure and the delivery device being operable in response to the flow of working fluid. A refuge chamber and method utilize such apparatus.

An intrinsically safe, self-contained toxic gas removal and air conditioning system for use in an underground mine environment to continuously remove from air sealed in the chamber the CO₂ and/or CO from exhalations of up to thirty adult occupants. The system includes an explosion-proof/fire-proof shell strong enough to withstand a 15 psi explosion outside the survival chamber in which the air-scrubbing system is installed. In the event of normal power loss, the system runs on an internal battery capable of 96+ hours of continuous operation while incapable of creating an explosion hazard. A fan motor mounted inside the external shell is driven by a fan driver circuit and is coupled to a driveshaft extending outside the external shell to drive an air scrubber fan. A fan driver/controller circuit powers the fan and detects the loss of externally-provided AC power to automatically start operation when such power loss is detected.

The invention relates to the technical field of tunnel construction, in particular to a tunnel escape cabin structure. The tunnel escape cabin structure comprises a cabin body, cabin doors and escape doors are hinged to the cabin body, a caterpillar band is connected to the bottom of the cabin body, and the cabin body is internally provided with a ventilating system, an oxygen supply system, an air purification system, an environment monitoring system, a communication system and a survival guarantee system. According to the tunnel escape cabin structure, by the configuration of the ventilating system, the oxygen supply system, the air purification system, the environment monitoring system, the communication system and the survival guarantee system in the cabin body, a safe escape space can be provided for survivors after accidents happen, and a buffer function is performed on the rescue time, so that casualties caused by disasters can be effectively reduced.

The invention relates to a multifunctional rotating life-saving device. The multifunctional rotating life-saving device enables people and articles which are positioned in the multifunctional rotating life-saving device to all keep in an upright state forever without being injured by seism and collision through the free rotation of a cube shell and a spherical rotating inner shell and is used in the fields of seismic resistance, collision resistance of transportation means, and the like and for manufacturing a large-size seismic-resistant life-saving rockerie, a seismic-resistant life-saving bed, a seismic-resistant life-saving table, seismic-resistant life-saving student desks and chairs, a seismic-resistant life-saving TV cabinet, a seismic-resistant life-saving safety box, a seismic-resistant life-saving anti-theft door, a vertically lifting seismic-resistant life-saving elevator, a seismic-resistant life-saving bathtub, a seismic-resistant life-saving closestool, a high-grade winerotating winebottle, an underground mine seismic-resistant life-saving system, a marine perils preventing life-saving ship, a collision-resistant life-saving automobile, a life-saving plane, an alienspacecraft, a movable combined seismic-resistant life-saving building, a multifunctional rotating seismic-resistant cabinet, a multifunctional rotating seismic-resistant filing cabinet, a multifunctional rotating seismic-resistant wardrobe, a high-seismic-resistant rotating tumbler building, and the like. The multifunctional rotating life-saving device and related products thereof are suitable for each family and unit.

The invention discloses a ventilation, smoke discharge and evacuation system for an underwater single-tube double-layer shield traffic tunnel. The ventilation, smoke discharge and evacuation system comprises an upper-layer lane, a lower-layer lane, a jet fan and a wind tower. An axial flow fan is arranged in the wind tower. A sector space on one side face of a round shield section of the tunnel is an independent smoke discharge channel. An escape channel is arranged in a sector space on the other side of the round shield section of the tunnel. A staircase connected with the upper layer and the lower layer is arranged in the escape channel. An upper-layer front room is arranged between the staircase and a lower-layer escape door. A lower-layer front room is arranged between the staircase and an upper-layer escape door. Positive pressure fans are installed on the wall shared by the upper-layer front room and the staircase and the wall shared by the lower-layer front room and the staircase respectively. The upper end of the side wall of the tunnel is provided with an upper-layer smoke outlet and a lower-layer smoke outlet. The upper-layer smoke outlet and the lower-layer smoke outlet are respectively provided with an automatic smoke discharge fire damper. By means of the ventilation, smoke discharge and evacuation system, fire smoke can not diffuse between the upper layer and the lower layer, the visibility of the escape environment is good, the escape environment is not invaded by the smoke, personnel evacuation is efficient and quick, escape time is greatly shortened, personnel casualties are reduced, construction is safe, and later-period maintenance is easy.

The invention provides a system and method for generating an urgent danger prevention dynamic route. The system can be used for updating various environment parameters and integrity parameters of various infrastructures collected by sensors in real time as per the environmental change, so as to generate a novel optimal danger prevention route, as a result, refuge personnel can escape and avoid danger as per the real-time safety route indication, the escaping probability of refuge personnel is increased to the maximum extent, and casualties can be reduced.

The invention relates to a movable split-type refuge chamber, belonging to the technical field of life saving apparatus. The movable split-type refuge chamber is characterized by comprising a transfer chamber, a main chamber and an auxiliary chamber; the movable transfer chamber and the main chamber which are combined by sealing joints and the movable auxiliary chamber and the main chamber which are combined by sealing joints form the refuge chamber; a transfer chamber body is provided with a front chamber door, the main chamber body is provided with a side chamber door, and the auxiliary chamber is provided with a life saving chamber door; and the refuge chamber is provided with an environment monitoring device, a power supply, a communication telephone, an oxygen gas steel cylinder and/or a food storage device. The movable split-type refuge chamber has the advantages of collapse resistance, gas explosion resistance, sealing of the influx of underground noxious gas, adjustment of temperature and humidity, automatic oxygen supply, free arrangement and combination, favorable air tightness and heat insulation effect, simpleness of installation, convenience and flexibility, investment saving, and ability to provide a set of complete life assurance system for escaping persons on site, and the like.

The invention relates to a protective airtight door of a coal mine refuge underground chamber. The protective airtight door comprises a door frame (1) and a door body (2), wherein the door frame (1) is strip-shaped frame with a hollow part, the strip-shaped frame can be a frame-shaped framework combined and welded by channel steel, the periphery of the framework is respectively provided with fastening strips (9) extending outwards, the fastening strips can be I-beam reinforcing ribs, the door body (2) is in a rectangular plate-like structure, the main body of the door body (2) is larger than the hollow part of the door frame (1), a bulging part extends from the main body and can extend into the hollow part of the door frame (1), and the bulging part can be in a box-type reinforcing plate structure and can be filled with a heat-insulating material. The airtight door has simple integral structure, large strength and good sealing effect and can bear the shock wave of about 1Mpa; meanwhile, an emergency escape door is arranged on the door body, thus the problem that people cannot be easy to escape when the airtight door is blocked can be avoided; and besides, an observation window is arranged on the escape door and the heat preservation effect of the door is better.

The invention discloses a mine safety life-saving capsule comprising a capsule body. A water tank is arranged on the left side of the lower end of a rest room; a water adding pipe is arranged at the upper end of the water tank; a filtering box is arranged at the upper end of the water adding pipe and installed on the left side of the upper end of the rest room; a water inlet pipe is arranged at the upper end of the filtering box; a flow collecting cavity is formed in the upper end of the water inlet pipe; a plurality of immersion pipes are arranged on the flow collecting cavity; a ventilation pipe is further arranged at the upper end of the rest room; a ventilation device is arranged at the upper end of the ventilation pipe; damping devices are arranged at the upper end of the capsule body in a bilaterally-symmetrical mode; a protective cover is arranged at the upper ends of the damping devices; the damping devices each comprise a supporting column and a telescopic rod; damping springs are arranged on the outer sides of the telescopic rods and the supporting columns; the upper ends of the damping springs are connected with the protective cover, and the lower ends of the damping springs are connected with the capsule body; and a dust prevention cover with the upper end and the lower end being connected with the protective cover and the capsule body correspondingly is arranged on the outer side of each damping spring. The mine safety life-saving capsule is simple in structure, convenient to use, high in safety, good in ventilation effect, capable of collecting purified water and diverse in function.