34results about How to "Ensure safe escape" patented technology

The invention relates to a firefighting skylight control system based on a solar power supply and an Internet of things technology. The firefighting skylight control system comprises a firefighting skylight arranged on the top of a building, a mains supply-solar power supply conversion unit, a sensor node network unit, an intelligent terminal unit and a firefighting monitoring center. The mains supply-solar power supply conversion unit comprises a battery pack which is connected with an urban power grid and a solar panel respectively and is used for supplying power to a user load through an inverter and a changeover device when the mains supply is cut off; the urban power grid directly supplies power to the user load through the changeover device. By adopting the control system, smog alarm can be made in time, and a fire smog system can be started automatically. The control system is suitable for building firefighting on public places. A scheme for taking the Internet of things technology and solar energy as backup power supplies is put forward specific to the defects of the conventional firefighting system, thereby bringing great convenience to firefighting management.

The invention relates to the technical field of public safety, and in particular to intelligent firefighting equipment for escape route guidance. The equipment comprises racks, induction devices, communication modules, emergency power supplies, alarm devices, guidance devices, servers and a controller, wherein the racks are installed on the inner walls of in a building; the induction devices are distributed on the walls, ceilings and racks in the building; the communication modules, emergency power supplies and alarm devices are installed on the racks; the guide devices are distributed on theground and racks at the respective intersections of the rack corridor; the communication modules, emergency power supplies, alarm devices and guidance devices are all electrically connected to the controller; and the induction devices and the servers are all in communication connection to the communication modules. The equipment can effectively reduce the impact of smoke on the escape guidance during a fire, and can give different guidance to the persons in the building in terms of the severity of the fire to avoid unnecessary accidents due to panic.

The invention relates to the technical field of fire-fighting, in particular to a control system and method of smoke-removing fireproof fire-fighting staircase. The staircase comprises upper stairs, lower stairs, a wall and a fireproof door, wherein the wall is coated with fireproof layers, and a fire hydrant is arranged on the wall and located above a platform; and the input end of a controller is connected with a smoke alarm, the smoke alarm is arranged on the wall and used for detecting the concentration of smoke in the staircase, and the controller is connected with a smoke exhauster whichis used for exhausting smoke in the staircase. When a fire disaster occurs, people can escape to the staircase for escape, and the fireproof door and the fireproof wall can effectively prevent further spreading of the fire behavior; and when the smoke alarm in the staircase detects that the concentration of the smoke in the staircase exceeds a set value, the smoke alarm sends a signal to the controller and gives an alarm, and meanwhile, the controller controls the smoke exhauster to be started to exhaust the smoke out of the staircase so that the situation that air cannot circulate due to much smoke in the staircase can be avoided, and it can be effectively guaranteed that people can escape safely.

The invention discloses a screw capable of being quickly disassembled. The screw comprises a screw cap and a screw rod, wherein a plurality of clamping grooves are formed in the inner side wall of the screw cap, a limiting block is arranged in the screw cap, a pulling piece is arranged at the top end of the limiting block, and the top end of the pulling piece penetrates through the screw cap to be arranged outside; and a part of the screw rod is hollow, the screw rod is provided with buckles, and the buckles are matched with the clamping grooves. The screw can be quickly disassembled through the clamping grooves, the buckles, the limiting block and the pulling piece, so that the purposes of rapidly disassembling the screw and ensuring safe escape are achieved.

The invention discloses a nested type safe escaping window. The nested type safe escaping window comprises a fixed window and a movable window capable of being nested on the fixed window; the fixed window comprises a fixed window frame and a plurality of hollow transverse slide rod guide rails which are arranged in the fixed window frame; the movable window comprises a movable window frame capable of being nested on the fixed window frame; an escaping door is arranged on one side of the movable window frame; the movable window frame is internally provided with a plurality of movable rods capable of being nested into the transverse slide rod guide rails; the quantity of the transverse slide rod guide rails is the same as that of the movable rods; upper and lower guide rails capable of enabling the movable window frame to transversely slide are arranged at the upper and lower ends of one side of the fixed window frame respectively; and a plurality of fixed supporting frames which are fixed on a wall are arranged below the fixed window frame and the lower guide rail. The safe escaping window is simple in structure and convenient to manufacture; and meanwhile, people can be moved to outdoor places in time, the time of waiting for rescuing is effectively prolonged and safe escaping is realized.

The invention discloses a slow descent method for high-altitude escape and a high-altitude escape device using the slow descent method. The method utilizes a reverse damping torque generated when a rotor impeller and a stator impeller rotate at a high speed relatively in oil liquid to suppress the rotating speed of the rotor impeller, the device mainly comprises a descent control device, a life-saving rope and a fixing device, wherein the descent control device comprises the stator impeller, the rotor impeller, a shell and a shaft, the stator impeller and the rotor impeller are of two disc structures which are oppositely placed and capable of rotating relative to each other and having front inclined blades on two opposite surfaces respectively, the stator impeller and the shell are fixedly and hermetically connected to form a sealed space filled with oil, the rotor impeller is placed in the sealed space and can rotate relative to the stator impeller and the shell through the shaft, one end of the life-saving rope is connected to the shaft, and the other end thereof is connected with a user or life-saving equipment. The slow descent method disclosed by the invention is safe and reliable, and the high-altitude escape device disclosed by the invention is simple in structure, safe and firm, convenient to operate and wide in application range.

The invention discloses an underground protective and intelligent safety waistcoat device comprising a waistcoat body (1), and the waistcoat body (1) is connected with a power device through an elastic string (3); a control signal output end of a control unit (5) is connected with a start-stop control end of the power device; and a monitoring device is connected with the control unit. Solved are the technical problems that due to an underground special geographical environment, in-time rescuing cannot be achieved through the currently various protection measures, once accidents happen, it cannot be ensured in the prior art that miners escape from energy in time, and the miners can still be damaged by a large amount of energy and the like.

The invention discloses a limiting anti-overturning device of a bridge aerial work platform supporting system; the device comprises a cross-core rod horizontally arranged on a bridge pier in a penetrating manner, a jack is vertically arranged on channel steel above the cross-core rod, a platform main beam is arranged above the jack, and the device also includes an anti-overturning box; the anti-overturning box is defined by two half buckles and is locked and fixed to form a rigid box, the main body of the jack is covered in the rigid box, and the top end of the jack penetrates through the anti-overturning box to abut against the bottom of the platform main beam. Meanwhile, the invention further provides an anti-overturning construction method of the bridge aerial work platform supporting system. The anti-overturning box completely wraps the jack to limit the displacement phenomenon of the jack; once the jack fails, the main beam of the platform directly falls above the anti-overturning box, the rigid box plays a role in temporarily supporting the operation platform, escape time is reserved for operators, enough time can be reserved even if the jack fails, so that safe escape of the operators is guaranteed, and the anti-overturning device has the advantages of being convenient to install and safe and reliable to use.

The invention discloses a two-point positioning vehicle-mounted winch system, which is characterized by comprising a front hook and a rear traction part. The rear traction part is provided with a longitudinal column and a cross beam. The cross beam is located at the front end of the longitudinal beam, and the cross beam and the longitudinal beam are integrally connected into a ''T'' shape. The round transition is arranged at the connection between the front section of the longitudinal column and the cross beam. A via hole which penetrates front and back and allows a traction rope to pass is provided in the center of the rear section of the longitudinal column. The front end of the via hole is provided with a longitudinal groove penetrating forwards. The cross beam is provided with a crossgroove which is crossed with the longitudinal groove. The front end of the via hole is provided with a curved groove curved leftwards. A pressure plate is arranged on the right side of the cross groove. A T-shaped groove is arranged in the back of the pressure plate. A threaded hole is arranged in the lower part of the cross beam. A jackscrew is arranged in the threaded hole. The inner end of thejackscrew is provided with a slider which is arranged in the T-shaped groove. A positioning hole coaxial with the via hole is arranged in the front end surface of the cross beam. The traction rope does not move, and the directionality is good, the two-point positioning vehicle-mounted winch system can provide suitable traction for vehicles, and coming out of difficulties is safely realized.

The invention provides a ceramic flame-retardant fireproof silicone sealant and a preparation method thereof. The ceramic flame-retardant fireproof silicone sealant is prepared from 100 parts of a base polymer, 3-40 parts of a plasticizer, 5-200 parts of a filling material, 30-150 parts of ceramic powder, 1-15 parts of a cross-linking agent, 0.1-3 parts of a stabilizer, 0.5-3 parts of a catalyst and 0.5-3 parts of a coupling agent. The preparation method comprises the following steps of adding the above raw materials into a high-speed dispersion mixer, and carrying out stirring for 60-180min under the conditions of a vacuum degree of 0.06-0.095MPa and a rotation rate of 20-600rpm to obtain the ceramic flame-retardant fireproof silicone sealant. The ceramic flame-retardant fireproof silicone sealant can form a hard ceramic material under the action of continuous ablation at a high temperature above 500 DEG C, does not lose fixing and sealing effects, has flame retardation, smoke isolation and fire prevention functions, and guarantees escape safety of people in the case of fire disaster. The invention provides the preparation of the ceramic flame-retardant fireproof silicone sealant. The preparation method has simple processes.

The invention discloses a ventilation method for an all-weather bridge channel. When the product of the channel length L and the design hourly traffic volume N of the two-way traffic cross-sea all-weather bridge channel is greater than 6×10 5 Mechanical ventilation shall be adopted when the two-way traffic cross-sea all-weather bridge channel is the product of the channel length L and the design hourly traffic volume N, which shall be less than 6×10 5 Natural ventilation is adopted; when the product of the channel length L and the design hourly traffic volume N of the one-way traffic cross-sea all-weather bridge channel is greater than 2×10 6 When using mechanical ventilation; when the product of the channel length L and the design hourly traffic volume N of the one-way traffic cross-sea all-weather bridge channel is less than 2 × 10 6 Natural ventilation is adopted when using the above ventilation methods; the above ventilation methods do not need to set up ventilation systems such as air supply ducts, exhaust ducts, large fan rooms, etc., which can not only save construction costs, save later maintenance costs and time, but also reduce offshore typhoons, rainstorms, etc. Influence of severe weather conditions on traffic in bridge passages.

The invention discloses an intelligent fire door, and specifically relates to the technical field of intelligent security equipment. It includes a door body, a water spray pipe, a water pump, a water storage tank, and a smoke sensor. For the water pump in the water tank, the smoke sensor is arranged on the door body, and the smoke sensor is connected with the water pump. The invention has the advantages of simple structure, high safety performance, automatic water spraying in the environment of dense smoke, reducing the concentration of dense smoke, ensuring people's escape safety and the like.

The invention discloses a wrap-around vehicle-mounted winch system which is characterized by comprising a hook and a pressing block, a connecting block is connected with the lower part of the hook, atraction rope is connected with the connecting block, and a pressing block pressing on the back of the hook is arranged at the back of the hook; the front surface and the rear surface, aligned with the central position of the pressing block, of the hook are separately provided with protrusions protruding forwards and backwards; the upper portion and the lower portion of the protrusions are separately provided with stoppers, a rope slot is formed between the stoppers and the protrusions, and the stoppers extend towards the back of the hook to the side surface of the pressing block; upward inverted slots are arranged at the hook tip position of the front surface and the rear surface of the hook, and the interior of the protrusions is provided with a groove; and the traction rope cannot moveand has good directionality, and proper traction can be provided for a vehicle and safety is ensured.

The invention relates to a semi-mobile semi-fixed escape slideway device, and belongs to the technical field of building disaster rescue. The escape slideway device comprises a mobile box body, an inlet component and a slideway, wherein the mobile box body is mounted at an opening of a building; when a side door of the mobile box body is opened, the side door serves as an auxiliary slideway board; the inlet component is fixedly connected with the interior of the mobile box body; the auxiliary slideway board is butted with an inlet end of the inlet component; one end of the slideway is connected with an outlet end of the inlet component; and during use, the other end of the slideway is required to be fixed to the ground. The device is free from condition limits of the building, and can be rapidly mounted at any position in the building, and safe escape can be organized rapidly. In addition, the device is very humanized with the design of the auxiliary slideway board; a sense of fear of people during escape is relieved greatly; and the old, children, women, patients, etc. are particularly cared for, and can escape easily and safely.

The invention relates to an opening method of urban underground contact channel fire resisting shutters. The opening method is characterized in that an urban underground contact channel is regarded as an annular channel independent from an underground garage; the annular channel is provided with two inlets, two outlets, a first vertical shaft (6), a second vertical shaft (11) and multiple fans (5); and fire resisting shutters are correspondingly arranged at the two sides of each outlet or inlet. According to the layout of the vertical shafts and the inlets and outlets, the annular channel is divided into eight smoke control areas by using the fire resisting shutters. When fire occurs, the corresponding fire resisting shutters are opened firstly, and the smoke control area with the fire and the adjacent smoke control areas serve as a smoke control integer; and then, all the fans (5) in the smoke control integer are opened, so that smoke is discharged to the ground in a set smoke discharge area in a vehicle driving direction. The opening method can effectively solve the problem of irregular smoke spreading of the fire, and can guarantee the escape safety of vehicles and persons.

A method for laying a high-voltage large-section cable to fit the width is characterized in that that method comprises the following steps of: a cable support is arranged in a channel in which the cable is required to be laid; inserting an insertion portion of the plug-in fixture into the inside of the cable holder; inserting a cross bar radius type back screw brace into the back screw brace fixing hole of the plug-in type fixing device to fix the cross bar of the scaffold; erecting a vertical back screw brace on the cross-bar radial back screw brace to form a radial I-shaped rack; arranging alow friction pulley on the backscrew brace of the crossbar radius type; Adjusting the position of the vertical back-screw brace on the cross-bar radial back-screw brace according to the site environment so as to give up half of the passage space; Laying the cable on the low friction pulley. The invention solves the defects that the method for laying a high-voltage large-section cable to fit the width lacks the fulcrum, and the working channel of the worker is narrow, which leads to the low working efficiency and the difficulty of the first aid escape.

The invention relates to a wet tissue for escape during fire and a preparation method thereof. The wet tissue is characterized by comprising a non-woven fabric carrier soaked with refreshing Chinese herbal medicine solution, and a hydrophilic functional group-containing polymer thin film which is 0.1 micron-1mm thick on at least one face. The Chinese herbal medicine solution is prepared by mixing 0.1-5wt% of mint, S0.1-5wt% of syzygium aromaticum and the balance of water in percentage by weight. The polymer film layer can filter harmful soot, and active carbon or titanium dioxide which can absorb harmful gases can be inserted into the non-woven fabric layer to further absorb harmful gases, so that damage to human body by harmful soot is reduced. The wet tissue provided by the invention has the characteristics of simple structure, small size, convenience in use, simple preparation process and low cost, can effectively refresh brain and prevent soot during fire escape, and meanwhile can be sufficiently prepared in a firefighting access to effectively ensure the escape and safety of people in early or later stage of fire.

The present invention discloses one kind of safety escape apparatus for Archimedes bridge including sealed escape compartment on Archimedes bridge body, connector between the escape compartment and the bridge body, and bridge safety door. The escape compartment is provided with waterproof safety door communicated to the bridge body, and has buoyancy slightly greater than the total weight of the escape compartment and several escape persons. The escape compartment may be separated from Archimedes bridge, and in case of accident, the persons in the Archimedes bridge can enter the nearby escape compartment to depart from the Archimedes bridge and the dangerous area.

The invention relates to a firefighting skylight control system based on a solar power supply and an Internet of things technology. The firefighting skylight control system comprises a firefighting skylight arranged on the top of a building, a mains supply-solar power supply conversion unit, a sensor node network unit, an intelligent terminal unit and a firefighting monitoring center. The mains supply-solar power supply conversion unit comprises a battery pack which is connected with an urban power grid and a solar panel respectively and is used for supplying power to a user load through an inverter and a changeover device when the mains supply is cut off; the urban power grid directly supplies power to the user load through the changeover device. By adopting the control system, smog alarm can be made in time, and a fire smog system can be started automatically. The control system is suitable for building firefighting on public places. A scheme for taking the Internet of things technology and solar energy as backup power supplies is put forward specific to the defects of the conventional firefighting system, thereby bringing great convenience to firefighting management.

The invention discloses a vehicle-mounted winch system capable of adjusting direction. The system is characterized by comprising a longitudinal slot formed at the front end of a via hole and penetrating forward; a transverse slot intersected with the longitudinal slot is formed in a cross beam; a bent slot bending leftward is formed in the front end of the via hole; a C-shaped hook body is arranged on a built-in hook; the lower part of the C-shaped hook body is connected to a traction rope; the lower portion of the C-shaped hook body is matched in the longitudinal slot; the front end of the C-shaped hook body is exposed out of the cross beam; the opening portion of the C-shaped hook body faces the transverse slot on the right side; a round tube in contact with the wall of the transverse slot and the lower end of the opening of the C-shaped hook body is arranged between the opening portion of the C-shaped hook body and the transverse slot; end covers are arranged at the notches of the transverse and longitudinal slots, so that the traction rope does not shift, and the vehicle-mounted winch system is good in direction directivity, can provide proper traction for vehicles and ensuressafe breakout.

The invention relates to a door lock structure capable of being normally opened in prepressing state of door. The door lock structure comprises a revolving lock catch (1), a sharp welt (1a) is projected on the lock catch (1), a mandril (2) coaxial with the rotating shaft of the lock catch (1) is arranged at the welt (1a) on the lock catch, and the mandril (2) is inserted into a sliding sleeve; the wall of the mandril (2) is opened with a spherical notch (2b), a round hole is opened at corresponding position at the sliding sleeve, a steel bear (3) is placed in the round hole, the outside of the steel bear can be provided with a rotatable brake block (9); one raised face (9a) of the brake block (9) is pushed against the steel bear (3), the lateral part of the raised face (9a) is opened witha concave cavity (9b) which can contain the steel bear (3); and a driving handle (9c) linked by a lock push rod (6) is arranged on the brake block (9) vertical to a rotating shaft (8). In the technical scheme, even if the door is in prepressing state, the moving of the mandril (2) can be realized by only providing a small push or pull force, and the door is opened smoothly, thus being a foolproofand reliable door lock mechanism.