42results about How to "Effectively extinguished" patented technology

The invention relates to arc extinction slurry for a fuse protector. The arc extinction slurry comprises, by weight, 5-40 parts of gas production materials, 0-10 parts of phenol formaldehyde resin, 20-60 parts of quartz sand, 0.6-10 parts of organic solvents and15-30 parts of deionized water. The gas production materials are mainly urea-formaldehyde resin and other powder materials; the phenol formaldehyde resin can be boron-modified phenol formaldehyde resin and other high-temperature-resistant resin which is soluble in organic solvents, and the main effect of the phenol formaldehyde resin is to improve the heat-resistant performance of urea-formaldehyde resin; the periphery of a melt is covered with the arc extinction slurry in a filling mode or a thick film printing mode or the like, and gas will be produced under the action of an electric arc so as to extinguish the electric arc; fast cooling of the metallic melt is guaranteed by adding the quartz sand, and therefore the arc extinction slurry can be used on the breaking occasion of high voltage and great current of more than 250VAC/100A. The arc extinction slurry has the predominant advantages of being low in production cost, easy to operate, free of halogen, friendly to environment, high in arc extinction ability and the like, thereby being suitable for being used in a current common tube shell type or thick film printing type surface-mounted miniature fuse protector.

The invention discloses a fire extinguishing system and method for an energy storage power station or a battery container, and aims to improve a fire extinguishing system for a lithium ion battery fire in the energy storage power station and the container based on the thermal runaway combustion characteristic of a lithium ion battery and aiming at the condition that after open fire of the lithium ion battery is extinguished, re-combustion and thermal runaway spreading are generated, the detection of the thermal runaway and fire of the battery is optimized, and a liquid reburning inhibitor is introduced. Fire extinguishing can be conducted by considering the whole system and the fire of an ignition point, meanwhile, the possibility of false alarm can be effectively avoided, and high accuracy is achieved. Secondly, the liquid reburning inhibitor is introduced while a gas extinguishing agent is used in the fire extinguishing system, the gas extinguishing agent can effectively extinguish open fire generated by thermal runaway of the battery, the liquid reburning inhibitor can effectively inhibit reburning and smoke generation of the battery and thermal runaway spreading, and the safety coefficient is higher.

The invention discloses a new type of environmentally friendly ashtray for garbage bins, which comprises an ashtray body, an ashtray, a filter plate, a filter hole, an ash plate, a cigarette butt box, a clamping plate, a magnet block, a fixing bolt, a cigarette butt sliding cavity, and a smoke extinguishing chamber. Box, smoke extinguishing plate, smoke extinguishing groove, chute, first block, second block, slider, reservoir, block, electric push rod, push plate, drainage pipe, sewage pool, drain pipe, valve , water inlet pipe, water injection pipe, water inlet hole and elastic spring. This kind of environmentally friendly ashtray for trash cans has reasonable structure and novel design. Through the set cigarette butt box and cigarette extinguishing box, and with the cooperation of the water reservoir, the cigarette butts can be effectively extinguished, avoiding the emission of smoke, protecting the surrounding environment, and Centrally store the extinguished cigarette butts, and introduce the water from extinguished cigarette butts into the sewage tank through the drainage pipe, which is convenient for cleaning workers to clean up later, has good market value, is easy to use, and is suitable for popularization and use.

The invention discloses a fireproof type AC low-voltage power distribution cabinet which comprises a cabinet body rack. A hanging ring and ground legs are arranged at the top end and the bottom end of the cabinet body rack respectively. An instrument door is arranged on the front face of the side wall of the cabinet body rack, and instruments, buttons and a main switch are arranged on the surface of the instrument door. A smog sensing head and a nozzle are arranged in the middle of the top end of an inner cavity of the cabinet body rack. A partition plate is arranged in the cavity of the cabinet body rack. A control module and an extinguishing material storage tank are arranged at the rear end of the inside of the cabinet body rack, and the nozzle is connected with the extinguishing material storage tank through a guide tube. A waterproof slope is movably mounted at the top end of the cabinet body rack. According to the fireproof type AC low-voltage power distribution cabinet, fires can be found by the smog sensing head as soon as possible, and a fire extinguishing apparatus is used for extinguishing; meanwhile, the control module is powered off so that electric shock can be avoided, damage to peripheral facilities due to fact that extinguishing is not achieved in time can be prevented, and peripheral safety can be better guaranteed; meanwhile, the waterproof slope can effectively prevent sewage from corroding the power distribution cabinet, and thus fires caused by short circuit can be prevented.

The invention discloses a cigarette end oxygen lack extinguisher. The extinguisher is characterized by comprising a round extinguishing pipe body, wherein a cylindrical cavity capable of accommodating a cigarette end is arranged in the round extinguishing pipe body; the front end of the round extinguishing pipe body is provided with a front cover capable of closing the round extinguishing pipe body; and the back end of the round extinguishing pipe body is provided with a cigarette end ejector capable of ejecting a cigarette arranged in the extinguishing pipe body. The extinguisher can be arranged in a cigarette box so as to be taken along with the cigarette box by a smoker and can be packed in the cigarette box together with cigarettes. After smoking the cigarette, the smoker takes the cigarette end oxygen lack extinguisher out of the cigarette box, opens a front cover, puts the cigarette end into the round extinguishing pipe body and covers the front cover, so that the cigarette end will be extinguished automatically after about 5 to 8 seconds due to lack of oxygen. After 5 to 8 seconds, the front cover is opened and the cigarette end ejector is pulled, so that the cigarette end ejector can correctly eject an extinguished cigarette end into a trash can.

The invention discloses a horizontal and vertical blowing Coulomb force compression lightning arc extinguishing ball and a double-ball type arc angle. There are several layers of arc extinguishing channels inside the main body, and several U-shaped arc extinguishing tubes are placed in each layer of arc extinguishing channels, and the ends of two adjacent U-shaped arc extinguishing tubes in the same layer of arc extinguishing channels pass through The three-way pipes are connected; there is an air jet channel at the junction of the U-shaped arc extinguishing tube and the three-way pipe, and the air jet channel extends to the outer surface of the arc extinguishing ball, that is, the outer surface of the arc extinguishing ball is provided with an air jet. Outlet; there are respectively an arc striking electrode on the top and bottom of the outer surface of the arc extinguishing ball. The invention has a simple and reliable structure, attracts the lightning pilot, and reduces the transmission line shielding accident caused by the failure of lightning interception; the combination of horizontal and vertical blowing compresses, elongates, thins and sprays the lightning current, extinguishes the arc, and reduces the lightning protection caused by lightning. The counterattack probability caused by the line.

The invention relates to an arc fault identification unit for an electrical three-phase alternating current circuit with three phase conductors and a neutral conductor, having - voltage sensors whichare assigned to each phase conductor and are intended to periodically determine phase/neutral conductor voltage values and phase/phase voltage values, - current sensors which are assigned to each phase conductor and are intended to periodically determine phase conductor current variables which are used to determine the phase conductor current value and a value for the change in the electrical current over time per phase, - an evaluation unit which is connected to the voltage and current sensors and is configured in such a manner that: - a current root mean square is compared with a current threshold value in each case and an excess current signal is emitted if the threshold value is exceeded, - arc voltages are calculated from phase/neutral conductor voltage values, phase/phase voltage values, phase conductor current values, concatenated currents, values for the change in the electrical current over time and concatenated change current values and are compared with threshold values, with the result that arc fault identification signals are output, - that further arc voltages are calculated from the phase/neutral conductor voltage values and phase/phase voltage values and are compared with further threshold values, with the result that further arc fault identification signals are output, - that an arc fault identification signal on the output side is output if at least one excesscurrent signal and one arc fault identification signal are present.

The invention discloses a spiral plate-type heat tube flame arrester. The spiral plate-type heat tube flame arrester comprises a fireproof shell and a heat tube, wherein the fireproof shell is in a cylindrical shape, the bottom of the fireproof shell is provided with a base, and the top of the fireproof shell is provided with a cover body; and a spiral plate is arranged in the fireproof shell, thespiral plate is formed by connecting and winding a first metal plate and a second metal plate, a metal box body is formed on a welded part of the first metal plate and the second metal plate, the wound part of the first metal plate is wound outwardly surrounding the metal box body, the wound part of the second metal plate is encircled around the first metal plate by adopting the metal box body asthe center, and a first spiral runner and a second spiral runner are formed between the wound part of the first metal plate and the wound part of the second metal plate. The spiral plate is arrangedin the fireproof shell to form the spiral runner, so that the fireproof space is increased, the wall effect produced by the structural change of a multilayer channel is sufficiently used for sharply reducing the free radicals of the combustion, and the explosion is effectively prevented.

The invention discloses a distributed coulomb force on both sides of the longitudinal direction to compress the lightning-inducing arc extinguishing ball. Inside the main body of the arc extinguishing hemisphere, there is an arc extinguishing path composed of several sections of arc extinguishing channels, and an arc extinguishing tube is placed in each section of the arc extinguishing channel, and the ends of two adjacent arc extinguishing tubes are connected; An airflow ejection channel is provided at the junction of two adjacent arc extinguishing channels, and the airflow ejection channel extends to the outer surface of the arc extinguishing hemisphere; an arc starting electrode is arranged on the top of the arc extinguishing hemisphere; In the path, the head end of the first arc extinguishing tube is connected with the arc striking electrode, and the end of the last arc extinguishing tube is connected with the lightning ball. The invention has a simple and reliable structure, attracts lightning pilots, and reduces transmission line shielding accidents caused by lightning interception failures; the lightning current is compressed, elongated, thinned and ejected to extinguish the arc, reducing the probability of counterattack caused by lightning strikes on the lightning protection line.

The invention discloses an air-gap-free semi-closed backflushing comprehensive arc extinguishing lightning arrester, which comprises a lightning arrester main body, wherein the upper end and the lowerend of the lightning arrester main body are installed at the two ends of an insulator string through connecting fittings respectively to form reliable electric connection, the lightning arrester mainbody is hollow, an insulating partition plate is arranged in the longitudinal direction of the lightning arrester main body so as to form two independent arc extinguishing cavities in the lightning arrester main body, a backflushing device is arranged in the upper end of the left arc extinguishing cavity, a backflushing opening is formed in the lower end, an upper electrode is arranged at the topend of the backflushing device, an airflow jetting device is arranged in the lower end of the arc extinguishing cavity on the right side, an airflow nozzle extending towards the outer side surface isformed in the upper end, a lower electrode is arranged at the bottom of the airflow jetting device, and a wall electrode is arranged on the insulating partition plate. The lightning arrester can effectively prevent the flashover problem of the insulator, reduces the lightning trip-out rate of power equipment, protects power facilities, improves the reliability of a power grid, and facilitates thesafe production of power.

The invention discloses an aerosol automatic fire extinguishing system, comprising a computer, a core switch, a fire detector, an audible and visual alarm, a spraying indicator lamp, an emergency start-stop button, a manual start button, system wiring, a fire alarm controller, and an aerosol fire extinguishing device. Under the application background that a hot aerosol fire extinguishing agent has the advantages of no toxicity, no pollution, no corrosion, no pollution, high fire extinguishing efficiency and the like, a hot aerosol spraying device and an intelligent control system are matched, and a system capable of automatically monitoring the fire behavior and controlling the aerosol fire extinguishing device in the corresponding area to spray aerosol to extinguish fire is designed. The fire extinguishing efficiency is high; the flexibility is high; the precision is high; and compared with a traditional fire extinguishing system, a large number of pipe networks do not need to be laid, and therefore the construction labor cost and the material cost are saved.

The invention relates to a lithium ion battery high temperature storing extinguishing device. The device comprises an ion frame, batteries, isolated nets, a water bag and fireproof rubber plates, wherein the cells are arranged in the iron frame; supporting blocks are arranged in the cells; the isolated nets are placed on the supporting blocks in the cells and capable of moving on the supporting blocks; the water bag is arranged on the isolated nets; and the fireproof rubber plates full of batteries are placed below the isolated nets; the water bag is made of polyethylene materials; the fireproof rubber plates are made of polypropylene materials. With the lithium ion battery high-temperature storing extinguishing device, flames can be effectively extinguished at a first time when battery cells are exploded and burst into flames, situations of explosion and fired places are prevented from further expanding, so that irretrievable losses is avoided; dangerous situations can be automatically controlled within a minimum range; and fire can be extinguished in time.

The invention discloses a spiral Coulomb force compression lightning-inducing arc extinguishing ball, which comprises two arc-extinguishing hemispheres and a lightning-inducing arc; Inside the main body of the hemisphere, there is an arc extinguishing path composed of several sections of arc extinguishing channels. An arc extinguishing tube is placed in each section of the arc extinguishing channel, and the ends of two adjacent arc extinguishing tubes are connected; An airflow ejection channel is provided at the junction of adjacent arc extinguishing channels, and the airflow ejection channel extends to the outer surface of the arc extinguishing hemisphere; an arc starting electrode is arranged on the top of the outer surface of the arc extinguishing hemisphere; in the arc extinguishing path, The head end of the first arc extinguishing tube is connected with the arc striking electrode, and the end of the last arc extinguishing tube is connected with the lightning ball. The invention has a simple and reliable structure, attracts lightning pilots, and reduces transmission line shielding accidents caused by lightning interception failures; the lightning current is compressed, elongated, thinned and ejected to extinguish the arc, reducing the probability of counterattack caused by lightning strikes on the lightning protection line.

The invention discloses a semi-closed recoil comprehensive arc extinguishing insulator, which comprises an insulator main body arranged on a power transmission line overhead tower cross arm through aconnecting fitting, the interior of the insulator main body is hollow, an insulating partition plate is longitudinally arranged along the insulator main body so as to form two independent arc extinguishing cavities in the insulator main body, a recoil device is arranged in the upper end of the left arc extinguishing cavity, a recoil opening is formed in the lower end, an upper electrode is arranged at the top end of the recoil device, an airflow jetting device is arranged in the lower end of the arc extinguishing cavity on the right side, an airflow nozzle extending towards the outer side surface is formed in the upper end, a lower electrode is arranged at the bottom of the airflow jetting device, and a wall electrode is arranged on the insulating partition plate. The semi-closed recoil comprehensive arc extinguishing insulator can effectively prevent the flashover problem, reduces the lightning trip-out rate of power equipment, protects power facilities, improves the reliability of apower grid, and facilitates the safe production of power.

The invention belongs to the technical field of daily life tools, in particular to a push type ashtray. The push type ashtray comprises a cylindrical shell having an opening in the upper end; a horizontal pressing plate with water permeable holes is arranged in the shell; a plurality of groups of reset springs are arranged at the lower end of the horizontal pressing plate; the two ends of each reset spring are fixedly connected with the horizontal pressing plate and the bottom of the shell correspondingly. A gear shifting switch is arranged on the inner wall of the shell; the end of the horizontal pressing plate extends into a gear shifting groove of a gear shifting switch, a temperature measuring module is further arranged on the inner wall of the shell and located above the gear shiftingswitch, a temperature indicating lamp is arranged on the outer side wall of the shell, and the gear shifting switch, the temperature measuring module and the temperature indicating lamp are electrically connected with one another. The push type ashtray is high in safety and convenient to use.

The invention discloses an air-gap-free semi-closed double-backflushing arc extinguishing lightning protection device and application thereof. The arc extinguishing device mainly comprises an arc extinguishing body and a backflushing arc extinguishing assembly, wherein the interior of the arc extinguishing body is of a hollow structure, a partition plate is further longitudinally arranged in the middle of the interior of the arc extinguishing body, and divides the internal space of the arc extinguishing body into two sets of backflushing pouring arc extinguishing channels, a backflushing arc extinguishing assembly is fixedly mounted at the upper end of the backflushing perfusion arc extinguishing channel on the left side, a backflushing nozzle extending towards the side surface of the arcextinguishing body is formed in the lower end of the backflushing perfusion arc extinguishing channel, the upper end of the backflushing perfusion arc extinguishing channel at the right side is a backflushing nozzle extending towards the side surface of the arc extinguishing body, and the lower end is fixedly provided with a backflushing arc extinguishing assembly. The device can restrain and control the arc path, eliminates the harm of arc drift, is wide in application range, is installed at a time, can be repeatedly used for a long time, is low in operation cost, is high in sensitivity, andfacilitates the safe production of electric power.

The invention relates to the technical field of fire extinguishing devices, in particular to an automatic fire extinguishing device. It includes an automatic trigger mechanism and a fire-extinguishing response mechanism. The fire-extinguishing response mechanism includes a storage chamber assembly, a pressure chamber and an inflation assembly; the pressure chamber is arranged inside the storage chamber assembly, and the front of the pressure chamber is connected with an air jet pipe through a threaded connection; The automatic triggering mechanism includes a jet tube and a piston arranged in the jet tube, and the action triggering mechanism also includes a flame detector, the flame detector is connected with a controller through a cable, and the controller is connected with a push-pull electromagnet through a cable. The present application can detect and instantly extinguish the flame at the initial stage of the fire, has a sensitive action, and has a large fire extinguishing area, thereby effectively overcoming the disadvantages of low fire extinguishing efficiency, high risk factor, and passive fire extinguishing.

The invention relates to the technical field of refining furnaces, and discloses a refining furnace capable of treating fuel residue conveniently. The refining furnace comprises a mounting plate, wherein four uniformly distributed supporting legs are fixedly mounted at the bottom of the mounting plate; a refining furnace shell is fixedly mounted at the top of the mounting plate; a chimney is arranged at the top of the refining furnace shell in a penetrating manner. According to the refining furnace capable of treating fuel residue conveniently, the fuel residue leaks on a movable circular plate through a grid screen on a combustion partition plate, then the movable circular plate is driven by a drive motor to carry out slow rotation, meanwhile, the fuel residue can slowly fall into a discharge hopper, an annular water collection pipe is fixedly mounted inside the discharge hopper, uniformly distributed spray heads are fixedly mounted on the annular water collection pipe, through the manner of the spray heads, the temperature of the fuel residue can be reduced, and the generation of dust can further be prevented; through the manner, the fuel residue after incineration is effectively treated, and the combusting fuel residue is further extinguished effectively.