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234results about How to "Protect life safety" patented technology

Vehicle mounted electronic alarm system for road safety

The invention discloses an on-vehicle electronic warning system for road safety, comprising a wireless broadband special network established at the side of the road. The wireless broadband is composed of a road-side wireless signal transmitting tower, road-side optical cables and a database computing center and is used for receiving operational data of each vehicle on the road while uninterruptedly sending road feature data to each vehicle. An on-vehicle road safety electronic shield terminal arranged in the vehicle uninterruptedly transmits vehicle locations, time and speed data computed by a satellite and land station signals to the database computing center of the road-side wireless special network subsequent to the reception of a positioning signal from a global positioning system so that all the vehicles share the positioning data, meanwhile, the terminal uninterruptedly receives and reads the road feature data sent by the wireless broadband special network during the traveling, and sends, in case that the distance between vehicles are too close or the vehicle is about to deviate from own traffic lane, warning information to related drives in order to avoid traffic accidents such as vehicle rear-end collision, deviation from the roads, side collision, etc.
Owner:曲涛

Cutting type diaphragm gas meter

The invention discloses a cutting type diaphragm gas meter and belongs to a gas meter. The cutting type diaphragm gas meter comprises a base meter body, wherein a gas inlet and a gas outlet are arranged on the base meter body; a cutting valve is mounted at the gas inlet; the gas meter further comprises a signal acquisition treating circuit and a cutting type diaphragm gas meter terminal microcomputer controller; the signal acquisition treating circuit is connected with the cutting type diaphragm gas meter terminal microcomputer controller; the cutting valve is connected with the cutting type diaphragm gas meter terminal microcomputer controller through a cutting valve control circuit; the signal acquisition treating circuit is used for acquiring the flow of fuel gas flowing by the base meter body in real time and timely transmitting to the cutting type diaphragm gas meter terminal microcomputer controller; and when the abnormal states, such as small flow leakage, abnormal mass flow and over long service time, of the output of the base meter body are detected, the cutting valve on the base meter body is timely turned off and a liquid crystal display screen and a buzzer are utilized to alarm, so that the burning or explosion phenomenon caused by excessive leakage of the fuel gas is avoided and the life and property of people are protected.
Owner:CHENGDU QINCHUAN IOT TECH CO LTD

Lifesaving device by breaking window

The invention discloses a lifesaving device by breaking windows, comprising a case, a bracket assembly, a hammer head for breaking the window and a pair of hooks controlled by a torsional spring, wherein the case wall on the front side end of the case is provided with a through hole for a hammer head to be ejected; the lower section of the inner working chamber in the case is provided with a working slope; the bracket assembly moves back and forth along the axis; the front end of the hammer head is pointed, and the rear end is provided with a bench preventing the hook from sliding down; the middle of the hook and the torsional spring are both fixed on the fixed junction plate of the bracket; the hook shape of the hook support arm causes the hook to clamp the hammer head under the normal condition; the exterior angle on the bottom end of the hook is provided with an arc angle; and the arc angle can cause the front falcula to gradually open and loosen the hammer head when the arc angle slides down if contacting with the working slope of the lower section of the working chamber in the case. The front end of the main spring is sheathed on the rear bench of the hammer head, and the rear end is propped against on the inner wall of the case of the tail part. The lifesaving device by breaking windows can conveniently and quickly break glass windows and doors during rapid-onset disasters, such as fire hazard, earthquake, traffic accidents and the like, helps people to quickly escape from dangerous sites and protects life safety of people.
Owner:BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY

Waterproof-type rescue capsule for mine

InactiveCN103510980AMake up for the defect of not being waterproofEven by forceSafety equipmentsFisheryStructural engineering
The invention provides a waterproof-type rescue capsule for a mine. A capsule body of the waterproof-type rescue capsule for the mine is composed of a plurality of sections of capsule body basic units, a capsule head sealing end (1) and a capsule tail sealing end (5). The interior of the rescue capsule is divided into a transition capsule (12) and a survival capsule (13) by an isolation door (14), wherein the transition capsule (12) and the survival capsule (13) are mutually independent, and each capsule body basic unit is of a cylindrical structure formed by winding steel plates. The capsule head sealing end and the capsule tail sealing end are both arc-shaped sealing ends. The sections of capsule body basic units are connected by means of reverse flanges (9). Inverted T-shaped strengthening ribs (10) are welded on the inner wall of the capsule body. A heat insulating layer (11) covers the inner wall of the capsule body. In addition, an air curtain spraying device and a water draining system inside the capsule body are arranged inside the transition capsule. The waterproof-type rescue capsule for the mine is a full-prevention-type rescue capsule which can be used for the mine flooding environment and can also be used for other catastrophe environments. The rescue capsule is even in stress, strong in pressure-bearing capacity, simple in structural design and convenient to produce.
Owner:UNIV OF SCI & TECH BEIJING

Vertical ventilating shaft anti-explosion door and method for relieving pressure safely and performing ventilation quickly by using door

The invention discloses a vertical ventilating shaft anti-explosion door and a method for relieving pressure safely and performing ventilation quickly by using the door. An upper-layer umbrella-type door is overlapped on a lower-layer umbrella-type door of a conventional anti-explosion door; rupture disks are arranged on fan frames in even numbers on the umbrella surface of the upper-layer umbrella-type door; steel plates are arranged uniformly at intervals on fan frames in the same eve numbers on the umbrella surface of the lower-layer umbrella-type door; and half of the fan frames on which steel plates are not arranged form cavities. When explosion occurs underground, blast waves directly impact the rupture disks through cavities of the lower-layer door, the rupture disks crack quickly and are communicated with the atmosphere directly, so that the pressure is relieved rapidly, and the door is prevented from being deformed and damaged when impacted strongly; a ventilator is protected against impact; and after an explosion accident, the upper-layer door is rotated rapidly, the upper-layer umbrella surface which is not impacted and doesn't crack is enabled to be aligned to three cavities of the lower-layer anti-explosion door, and the anti-explosion door is sealed in time, so that mine ventilation is restored as soon as possible, and the life safety of trapped persons underground is guaranteed to the maximum extent.
Owner:SHANDONG UNIV OF SCI & TECH

Dry-hang joint for external wall of fabricated building and prefabricated external wall with dry-hang joint

ActiveCN105201100AGood thermal insulation functionInhibit sheddingWallsBrickExternal cladding
The invention provides a dry-hang joint for an external wall of a fabricated building and a prefabricated external wall with the dry-hang joint. The dry-hang joint comprises a pre-buried box, a hook seat and a connecting bolt which are pre-buried in a prefabricated external wall board, wherein the side surface, facing the hook seat, of the pre-buried box is open; the hook seat is connected and fastened with a pre-buried sleeve in a building main body through the connecting bolt; the hook seat penetrates through the opening in the side surface of the pre-buried box, so as to support the whole prefabricated external wall board; the building main body comprises a prefabricated beam or a shear wall. The dry-hang joint and the prefabricated external wall have the advantages that the construction procedures are simplified; the construction progress is improved; lick bricks and decorations are prevented from flaking off from the external wall board, so that the safety performance is high; the external wall board and the decorations of the external wall board can be produced integrally in a factory, so that high-altitude decoration operation of a worker is avoided; the dry-hang bonding strength of the external wall is high; the water resistance is good; the building quality is excellent.
Owner:CHANGSHA HOME BROAD HOMES IND JIANGSU CO LTD

Vehicle-mounted navigation apparatus, and safe driving service system and method for automobile

The invention relates to a vehicle-mounted navigation apparatus with an alcohol detection function, and a safe driving service system and method for an automobile. The vehicle-mounted navigation apparatus comprises a satellite positioning module, a control module which is connected with the satellite positioning module, an alcohol detection module, a wireless communication module, a voice module, a microphone and a loudspeaker, wherein the alcohol detection module, the wireless communication module, the voice module and the microphone are connected with the control module; and the loudspeaker is connected with the voice module and the control module simultaneously. The control module receives detected alcohol content information from the alcohol detection module, and compares the alcohol content information with a detection threshold, and when the alcohol content exceeds the detection threshold, the control module drives the voice module to output voice signals to the loudspeaker, and to send alarming information and the current positioning information to a background service center. By applying the device, system and method provided by the invention, the alcohol content in the automobile can be convenient to detect timely, so that when the alcohol content exceeds the detection threshold, the prompt information and alarming information can be given off, so that the safe driving service can be obtained, and the incidence of traffic safety accidents can be reduced.
Owner:SHENZHEN SEG SCI NAVIGATIONS CO LTD

Door opening safety reminding system and door opening safety reminding method for vehicles

The invention discloses a door opening safety reminding system and a door opening safety reminding method for vehicles, and relates to the technical field of vehicles. The door opening safety reminding system for the vehicles is used for reminding people in the vehicles to safely open doors and comprises image detection units, a door opening and closing identification unit, a vehicle speed identification unit, a central controller and a voice reminding unit. The image detection units are used for acquiring rear image data of the vehicles; the door opening and closing identification unit is used for identifying opening and closing states of the various vehicle doors; the vehicle speed identification unit is used for acquiring the vehicle speeds of the vehicles; the central controller is used for receiving the rear image data of the vehicles, comparing the rear image data with stored object information to identify target objects, receiving opening and closing information of the various vehicle doors and vehicle speed information of the vehicles, comprehensively processing the information and issuing reminding signals; the voice reminding unit is used for responding to the reminding signals, so that people can be reminded of the door opening safety by voice. The door opening safety reminding system and the door opening safety reminding method have the advantages that people in the vehicles can be effectively prevented from being collided and injured by the moving objects at the rears of the vehicles when getting off from the vehicles, and the active safety performance of the vehicles can be improved.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1

Dynamic thermal protection performance testing and evaluating device

The invention relates to a dynamic thermal protection performance testing and evaluating device, and belongs to the technical field of occupational safety and health. The dynamic thermal protection performance testing and evaluating device is used for fixing fabric to be tested so as to test the fabric to be tested, and comprises a support, a dynamic human body simulating device arranged on the support and used for fixing the fabric to be tested and promoting the fabric to be tested to deform, and a disaster source and a heat flux sensor which are oppositely arranged on the two sides of the dynamic human body simulating device, and a data acquisition and program control system in signal connection with the heat flux sensor, wherein the dynamic human body simulating device comprises a human body simulator propped against the fabric to be tested and a stretching device at least clamped at one end of the fabric to be tested; the human body simulator comprises a propping wall propped against the fabric to be tested; the propping wall and the disaster source are oppositely arranged on the two sides of the fabric to be tested; the fabric to be tested and the heat flux sensor are oppositely arranged on the two sides of the propping wall; the dynamic thermal protection performance testing and evaluating device further comprises a dynamic air layer changing device for driving the heat flux sensor to move relative to the propping wall.
Owner:ZHANGJIAGANG INST OF IND TECH SOOCHOW UNIV

Electronic equipment anti-explosion protection device

The invention relates to the technical field of electronic equipment protection devices, and particularly relates to an electronic equipment anti-explosion protection device which comprises an anti-explosion tank body, wherein first plates are arranged around inside the anti-explosion tank body respectively; the first plates are internally hollowed; the first plates are filled with an inert gas; second plates are arranged on the inner sides of the first plates; a plurality of through holes are formed in the second plate; sliding blocks are arranged at the upper ends and the lower ends of the second plate; the sliding blocks are arranged inside chutes in the anti-explosion tank body; a plurality of conical convex burrs are arranged on one sides close to the first plates, of the second plates; a plurality of springs are arranged between the second plates and the first plates; a plurality of vent holes are formed in the bottom of the anti-explosion tank body; an air sucking fan is arranged at the bottom of the anti-explosion tank body; the air sucking fan is connected with a power supply. By adopting the electronic equipment anti-explosion protection device, storage battery explosion can be effectively prevented, fire of exploded storage batteries can be extinguished in time, force generated from explosion can be decomposed in time, and the security of people can be effectively ensured.
Owner:内蒙古行上科技有限责任公司

High-flame-retardance fireproof cable made of inorganic materials

The invention discloses a high-flame-retardance fireproof cable made of inorganic materials. The high-flame-retardance fireproof cable comprises a plurality of wire cables, a fire-resistant layer made of inorganic materials and a flame-retardant jacket. The fire-resistant layer made of the inorganic materials is extruded on the wire cables; the flame-retardant jacket is sleeved on the fire-resistant layer made of the inorganic materials; each wire cable consists of a copper conductor and a vitrified silicon rubber insulating layer extruded on the copper conductor; and a filling layer is filled in the fire-resistant layer made of the inorganic materials. The high-flame-retardance fireproof cable is characterized in that the fire-resistant layer made of the inorganic materials comprises, by weight, 85% of magnesium hydroxide, 6% of serpentine powder, 4% of magnesium calcium carbonate, 3% of sodium silicate and 2% of chlorinated paraffin which are squeezed to form the fire-resistant layer made of the inorganic materials. The insulating layer is made of vitrified silicon rubber, and because the insulating layer has high fire resistance and the vitrified silicon rubber is vitrified at a high temperature, the insulating performance of the cable is guaranteed during spontaneous combustion of the cable and external fire disasters. Besides, as the fire-resistant layer made of the inorganic materials is totally made of the inorganic materials by cold stirring and extruding, the materials cannot be combusted during the fire disasters, and flame-retardant and fireproofing effects can be achieved effectively.
Owner:上海安捷防火智能电缆有限公司

Special frequency converter box for large sound box

The invention discloses a special frequency converter box for a large sound box, which comprises a working box, wherein the two sides of the bottom of the working box are fixedly connected with a cooling liquid storage box; the bottom of the inner wall of the cooling liquid storage box is fixedly connected with a supply cooling pump; the supply cooling pump is communicated with a cooling pipe through an output port; one end, far away from the output port, of the cooling pipe is communicated with a heat dissipation pipe; a fan fixing frame is arranged above the heat dissipation pipe; the bottomof the fan fixing frame is fixedly connected with a head dissipation fan; the heat dissipation fan is rotationally connected with blades through a rotating shaft; and one end, far away from the cooling pipe, of the heat dissipation pipe is communicated with a backflow pipe. The invention relates to the technical field of sound equipment accessories. The special frequency converter box for the large sound box solves the problems of heat dissipation and stable cooling of the working box, and wire arrangement, so that omni-directional dust removal and personnel protection can be achieved, intelligent heat dissipation and dust removal can be realized, and the energy waste is reduced.
Owner:湖州坚美电声元件有限公司

Metro safety door

The invention relates to a metro safety door. The metro safety door comprises a door body and sealing components; the door body is provided with a set of horizontal guide rails; the door body is driven through a mechanical arm to open and close; the two sealing assemblies are mounted at two door edges opposite to the door body respectively; each sealing assembly comprises a base plate and a sliding rod is fixed on a back plate of each base plate; the sliding rods are vertical to the back surfaces of the base plates; rod grooves matched with the sliding rods are formed in the door edges; the sliding rod are inserted into the rod grooves in a sliding manner; a compression spring sleeves each sliding rod; one end of each compression spring is connected with the corresponding base plate and the other end of each compression spring is connected with the corresponding door edge; a roller is mounted on the front surface of each base plate; the axis of each roller is parallel to the corresponding base plate; and each roller can rotate around the axis of the roller. The metro safety door is simple in structure and low in cost, can effectively protect passengers and can prevent the passengers from being crushed and dragged by a metro door, even prevent passengers from tragic consequences.
Owner:GUANGXI NANNING DUNING VENTILATION PROTECTION EQUIP CO LTD

Natural gas engine idling fluctuation control strategy

The invention discloses a natural gas engine idling fluctuation control strategy. The natural gas engine idling fluctuation control strategy is applicable to a gas motor vehicle and comprises the following steps: enabling the engine to enter the idling state; carrying out PID regulation; enabling the engine to enter the idling fluctuation state; reserving the torque for the first time; reserving the torque for the second time; checking an ignition angle look-up table; and carrying out fluctuation elimination. The natural gas engine idling fluctuation control strategy disclosed by the inventionis added with the engine idling torque reserving process, so that when the engine is mutually transformed between the normal idling state and the state of idling during the start-up of vehicle-mounted equipment, the torque of the engine can be corrected by utilizing an ignition angle through the regulation of torque reserves, the idling fluctuations of the engine can be reduced, and the idling responsiveness of the engine can be improved; accordingly, the smooth transition of the engine between the normal idling state and the state of idling during the start-up of the vehicle-mounted equipment can be achieved, the running of a complete vehicle can be smooth and steady, and the driving comfort of the complete vehicle can be improved; even if the running process is in progress, the engine can be protected against flameout; and then the power-assisted steering failure of the complete vehicle can be avoided as well as the life safety of a driver and passengers can be protected.
Owner:WEICHAI XIGANG NEW ENERGY POWER

High temperature-resistant flame retardation polyacrylonitrile fiber and production method thereof

The invention relates to a polyacrylonitrile fiber, and concretely relates to a high temperature-resistant flame retardation polyacrylonitrile fiber and a production method thereof. The method concretely comprises the following steps: processing a polyacrylonitrile fiber in a hydrazine solution with the concentration of 7-20wt%, processing the hydrazine processed fiber in an alkaline solution with the concentration of 3-10wt%, washing the alkali processed fiber with water until the fiber is neutral, processing the neutral fiber in an aqueous metal ion salt solution with the concentration of 3-10wt%, oiling the metal salt processed fiber, dehydrating the oiled fiber, and drying the dehydrated fiber to obtain the high temperature-resistant flame retardation polyacrylonitrile fiber. The flame retardation performance LOI of the flame retardation fiber obtained in the invention can reach 40-45, the flame retardation grade is M1, and the amount of smoke generated in the combustion process is very small, the grade of toxic gases is FO, and the smoke amount of the flame retardation fiber in the invention is lower than that of other flame retardation fibers. The flame retardation fiber in the invention has the advantages of high moisture regain rate, high water absorption rate, good dyeability and low shrinkage in boiling water.
Owner:JILIN ACRYLIC FIBERS CO LTD
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