17results about How to "Avoid ignition" patented technology

A lightning protection structure of an outdoor tower type meteorological monitoring station relates to the field of meteorological monitoring equipment and is used for improving the safety and stability of a down lead and prolonging the service life of the down lead. The outdoor tower type meteorological monitoring station lightning protection structure comprises a tower type support, a meteorological monitoring element, a lightning arrester, a downlead, a grounding device, a quartz sleeve and a shielding net. A vertical cavity is formed in the middle of the tower-shaped support and penetrates through the tower-shaped support. A plurality of meteorological monitoring elements are arranged, and the meteorological monitoring elements are distributed on the tower-shaped support. The lightning arrester is fixedly arranged on the top of the tower-shaped support and located on the upper side of the vertical cavity. The down lead is electrically connected with the lightning arrester, the down lead is vertically arranged on the tower-shaped support, and the two ends of the down lead penetrate through the vertical cavity; the grounding device is fixedly arranged underground, and the lightning arrester is electrically connected with the grounding device; the quartz sleeve is arranged in the vertical cavity and sleeves the outer side of the down lead; and the shielding net is made of a high-permeability material and is arranged outside the quartz sleeve.

The utility model provides a new energy automobile is with fire safety house, including the fire safety house for setting in parking stall, its characteristics are: the fire safety house one end's vehicle import and export place sets the gate that can open and close, the top of fire safety house body sets the water tank, and the water tank has the water inlet. The sidewall interval of fire safety house body is the sink, or sets up the separate sink in the inside or the outside of fire safety house body sidewall, and the water outlet of water tank connects the top of sink, and the bottom of sink is linked with the water flow export that sets up in the sidewall bottom of fire safety house, and sets up the drain that can open and close on the bottom surface of fire safety house. The upper portion or the bottom surface in the fire safety house body sets up the flame detector or / and temperature sensor, and the fire safety house body configuration controller, and the flame detector or / and temperature sensor are connected with controller. Can discover new energy automobile fire in time, and rapidly give new energy automobile cooling, and isolate with surrounding environment, prevent fire spreading, reduce property loss.

The utility model discloses a novel ashtray which comprises a bottom plate, and a shell is rotationally installed on the bottom plate. The upper end of the shell is of an open structure and covers the shell through a cover plate. A guide part is further arranged at the bottom of the cover plate, a discharging port is further formed in the guide part, and the discharging port is blocked through an arranged plug so as to be sealed. In conclusion, the guiding part on the cover plate is used for guiding the cigarette butts to enter the shell, then the shell is used for containing the cigarette butts, after the cigarette butts enter the shell, the plug is used for blocking the discharging opening, the interior of the shell can be sealed, and on one hand, the cigarette butts are prompted to be extinguished rapidly; secondly, other cigarette butts are prevented from being ignited by the cigarette butts; and 3, smoke generated by the cigarette butts is prevented from flying indoors. Due to the fact that the shell can rotate on the bottom plate, the ashtray can be used as a desktop ornament while serving as an ashtray, and meanwhile the device can be played by lifting the lifting rod. On the basis, the ashtray has a novel structure, and can be used for playing and decorating a table top.

The utility model relates to the technical field of explosion-proof noise monitoring and sensing equipment, and solves the problems that in a working environment of a petroleum gas or natural gas scene, the noise monitoring and sensing equipment ignites petroleum gas or natural gas due to electric sparks generated by keys or short circuit of a battery, and certain potential safety hazards exist. And a structure for explosion-proof protection is lacked. The anti-explosion noise monitoring and sensing equipment comprises a noise monitoring and sensing body, a flame-retardant assembly is arranged on the surface of the noise monitoring and sensing body, the top surface of the flame-retardant assembly is fixedly connected with a sealing assembly, and the flame-retardant assembly comprises a flame-retardant medium layer fixedly connected to the surface of the noise monitoring and sensing body. The surface of the flame-retardant medium layer is fixedly connected with a protective shell, the sealing assembly comprises a rubber operation plate fixedly connected to the surface of the operation opening, a plurality of rubber key films are arranged on the top face of the rubber operation plate, and an observation opening is formed in the top face of the rubber operation plate.

The invention relates to the technical field of fuel gas monitoring, and particularly discloses an earthquake fuel gas emergency cut-off system for a commercial complex crowded place, a gas chamber is used as a pressure signal receiving carrier and does not need to be transferred through a multi-stage mechanical structure, and meanwhile, the pressure change of the gas chamber directly drives a diaphragm to displace to realize contact switching, so that a signal transmission link is shortened, and the signal transmission efficiency is improved. The fuel gas cut-off efficiency is improved, and quick fuel gas cut-off can be achieved; meanwhile, a pressure source is obtained from a gas pipeline, gas pressure is transmitted to a gas chamber in real time through a signal transmission pipeline, the pressure of the gas chamber is synchronous with that of the gas pipeline, if a ball of the mechanical seismic sensor slightly shifts only due to daily vibration and the pressure of the gas chamber is not obviously changed, a diaphragm cannot drive a normally-open contact and a normally-closed contact to be switched, and false triggering can be avoided. In this way, the electromagnetic valve control box can be linked to cut off power supply of the electromagnetic valve, fuel gas is cut off automatically, rapidly and accurately, and secondary disasters such as explosion and poisoning are prevented from spreading.

The utility model relates to gasoline detection technical field, concretely is a kind of gasoline oil sample detection device, including storage bottle, pivot, flexible hose, device lid and device main body, storage bottle outside fixed mounting has No. 3 threaded tube, device lid outside fixed mounting has No. 2 threaded tube, flexible hose outside fixed mounting has No. 1 threaded tube, No. 3 pivot outside fixed mounting has threaded fan blade, pivot outside fixed mounting has rotating counterweight, rotating counterweight outside is connected with gear assembly, the device design is by mechanical drive and can extract gasoline in the automobile fuel tank and carry out detection, so that it can ensure fuel quality, by the gasoline in the automobile fuel tank detection, can ensure that the quality of fuel meets relevant standards and requirements by the gasoline in the automobile fuel tank detection can prevent failure, avoid the engine failure caused thereby.

The utility model discloses a kind of welding fume dust collectors of noise reduction, it is related to welding auxiliary equipment technical field, the welding fume dust collector includes dust collector box and the control box being arranged in the dust collector box one side, further include spark capture subassembly, dust removal subassembly, noise reduction subassembly and fan module.The utility model is through the three-stage spark interception structure of coarse mouth filter steel wire net, staggered V-shaped plate and fine mouth filter steel wire net, can efficiently block and cool high-temperature spark, cooperate infrared temperature sensor and the linkage mechanism of control box, can quickly respond when few spark breaks through interception, further block risk by speed reduction and airflow barrier, multiple protection effectively avoid spark ignition filter core, reduce security risk;The equipment is through the soundproof frame of double-layer sound insulation structure, centrifugal glass sound-absorbing cotton, rubber shock pad damping, etc., from noise barrier, absorption and damping, etc. Multidimensional reduction centrifugal fan operating noise, greatly reduce the noise volume of equipment.

The utility model discloses an ashtray which comprises a shell, an ash guide assembly and a bottom plate arranged at the bottom of the shell, and a plug is further arranged on the bottom plate. The dust guide assembly comprises a cover plate covering the upper end of the shell; an ash guide part is further arranged on the cover plate, and a discharge port is further formed in the ash guide part; the ash guide assembly is moved upwards, so that the discharge port is separated from the plug, and cigarette butts enter the shell through the discharge port; and the ash guide assembly is moved downwards to enable the plug to plug the discharge port, so that the interior of the shell is sealed. When the cover plate is promoted to move upwards, the discharging port is opened, at the moment, cigarette butts can enter the shell along with the discharging port, then the cover plate is put down, the plug blocks the discharging port, the interior of the shell is sealed, oxygen is prevented from entering, and the cigarette butts can be discharged. According to the cigarette end extinguishing device, cigarette ends can be extinguished, other cigarette ends can be prevented from being ignited by the cigarette ends, and smoke generated by the cigarette ends can be prevented from drifting into a room.

The application discloses a lighter and a working method thereof. The lighter comprises a casing, a bottom end of the casing is fixedly provided with an end plate, a machine body is slidably connected in the casing in a vertical direction, an air cavity is arranged in the machine body, an air valve assembly which is communicated with the air cavity is arranged in the machine body, the air valve assembly comprises an air inlet pipe which extends into the air cavity, a valve control assembly is arranged on the end plate, a lighter is arranged in the machine body, a pressing block is arranged above the lighter, a power assembly is arranged on the end plate, a cover plate assembly and a locking assembly are arranged on the upper end of the casing, when the power assembly controls the machine body to be retracted into the casing, the cover plate assembly is controlled to be turned to a second position, at this time, the cover plate assembly is sealed on the upper end of the casing, then the locking assembly is controlled to position the cover plate assembly at the second position. The lighter has simple structure and can effectively prevent sundries from falling into the air valve assembly of the machine body and causing the blockage of the fire outlet when the lighter is not used.

This utility model relates to a novel automated continuous solid waste feeding system. The system includes a crushing device, a material conveying device, a pushing device, and a discharge device. The material conveying device transports the crushed material to the pushing device, which then pushes the material to the discharge device. The discharge device includes a discharge housing with a vertical discharge chamber inside. A vertical push cylinder is installed at the top of the discharge chamber, and a push plate is installed at the lower end of the push cylinder. A level detection device and a spray device are installed inside the discharge chamber. The spray device includes a temperature sensor and a spray system. The lower end of the discharge chamber is a discharge outlet for connecting to an incinerator. A discharge valve for opening and closing the discharge outlet is installed at the discharge outlet, and the level detection device is electrically connected to the discharge valve. The temperature sensor, spray system, and push cylinder improve safety. The level detection device, in conjunction with the discharge valve, enables orderly and automatic feeding, solving problems such as material jamming and backfire ignition during the feeding process.

The invention discloses metal round bar grinding equipment based on intelligent manufacturing, and belongs to the technical field of grinding equipment. The metal round bar grinding equipment based on intelligent manufacturing comprises a fixed base, fixed vertical plates are arranged on the two sides of the fixed base, and movable butt clamping equipment is arranged in the fixed vertical plates; a triangular push block is movably connected to the interior of the fixed vertical plate, a first connecting rod is fixedly connected to the outer side of the triangular push block, a first fixed disc is fixedly connected to the inner side of the first connecting rod, and a movable bearing is movably connected to the interior of the first fixed disc. Before a machined workpiece is clamped by the movable butt-clamping equipment, automatic centering and positioning of the machined workpiece are achieved through coincident contact of the bottom surface of the arc-shaped positioning plate and the outer side surfaces of the two ends of the machined workpiece, and the problem of deviation possibly caused by manual positioning is effectively avoided; and it is ensured that the machined workpiece is always in the center position in the grinding process, the accuracy and stability of follow-up grinding operation are guaranteed, and therefore the working efficiency of equipment is improved.

The invention relates to the field of fire fighting, and provides a parking space fire fighting device. The parking space fire-fighting device comprises a fire-fighting assembly, a monitoring unit and a control unit. The fire-fighting assembly is arranged above a parking space and comprises an isolation component and a spraying component. The isolation component comprises a separation unit, and the separation unit comprises a separation body which can move up and down to be folded or unfolded; the separation body comprises at least one pair of separation walls arranged on the two opposite sides of the corresponding parking space. The control unit responds to a first alarm signal which is sent by the fire alarm monitor and indicates that a fire alarm event occurs in the corresponding parking space, and controls the separation unit to unfold the separation body to abut against the ground so as to separate the parking space from the outside. And in response to the fact that the preset liquid spraying condition is met, the liquid spraying fire extinguishing action on the parking space is executed through the spraying component. According to the parking space with the fire behavior, the parking space with the fire behavior can be separated from other parking spaces through the at least one pair of unfolded partition walls, combustible materials in the other parking spaces are prevented from being ignited, and meanwhile the combustible materials in the parking space with the fire behavior are subjected to liquid spraying and fire extinguishing actions.

The application discloses automatic straw collection underground incineration and field returning equipment, which comprises collection device, crushing device, extrusion device, carbonization device and water collecting device connected in sequence; the water collecting device comprises a liquid collecting bin, the extrusion device comprises an extrusion cavity provided with a double-layer structure with an inner cavity, the inner cavity is communicated with the liquid collecting bin, at least two groups of hollow extrusion rollers are arranged in the extrusion cavity, a liquid storage cavity is arranged in the hollow extrusion roller, an auxiliary dewatering mechanism is further integrated at the rear section of the extrusion cavity, the auxiliary dewatering mechanism comprises an air guide opening arranged on the side wall of the extrusion cavity and a negative pressure suction opening arranged at the top and rear end of the extrusion cavity. The application combines the extrusion dewatering and the air extraction auxiliary dewatering structure, can simultaneously complete the mechanical pressing liquid collection, warm air surface dehumidification and negative pressure wet gas recovery in the same cavity, efficiently reduces the water content of the straw, guarantees the stable and safe dewatering operation, and realizes the recycling and reuse of water resources and heat energy.

The utility model discloses a filter device and dust removal equipment, the filter device comprises a cabinet, an isolation assembly, a filter bag, a filter element assembly and an air exhaust assembly, and a first chamber, a second chamber and a third chamber are constructed in the cabinet from bottom to top; the isolation assembly comprises a box body arranged in the first cavity and a plurality of baffle plates arranged in the box body, the baffle plates form a zigzag channel in the box body, and the upstream of the channel is communicated with the outside of the cabinet; the sparks pass through the channel and collide with the baffle so as to be decelerated and detained in the box body, and the filter element assembly is prevented from being ignited. The filter bag on one side of the box body can be used for collecting fine particles escaping from the box body; the filter element assembly arranged in the second chamber is used for filtering particles with smaller diameters escaping from the filter bag; the air exhaust assembly comprises a fan with the air suction end communicated with the second cavity, the fan is arranged in the third cavity and used for constructing negative pressure in the first cavity and the second cavity to suck air, and filtered clean air is exhausted out of the cabinet through the third cavity.

The application provides an exhaust treatment device and method applied to a vehicle, wherein the exhaust treatment device further comprises a battery assembly arranged on a vehicle frame of the vehicle, the battery assembly comprising a battery pack and an explosion-proof valve arranged on one side of the battery pack; an air inlet assembly is arranged on the vehicle frame and located on one side of the battery assembly, the air inlet assembly comprising an air inlet mechanism, a compression mechanism, a cooling mechanism and a gas storage mechanism; the air inlet mechanism is connected to the battery pack through the explosion-proof valve; the compression mechanism is connected to the air inlet mechanism; and the cooling mechanism is connected to the compression mechanism and the gas storage mechanism respectively. The application draws the gas generated by thermal runaway in the battery pack through the compression mechanism, thereby reducing the exhaust resistance of the battery pack compared with positive pressure exhaust, improving the exhaust efficiency of the battery pack, avoiding high pressure or hot gas gathering in the battery pack, and storing the hot gas in the battery pack through the air inlet mechanism filtering and the cooling mechanism cooling, thereby avoiding ignition of the vehicle or surrounding property by high-temperature gas and improving the safety of the vehicle.

This invention discloses an environmentally friendly, high-efficiency flame-retardant nonwoven fabric, applied in the field of nonwoven fabric technology. This invention enhances its functionality by combining an inner layer with an outer layer and a middle layer. The middle layer facilitates the positioning of the filler cylinder, and the flame-retardant filler effectively improves the flame-retardant effect of the composite material. During processing, the inner, outer, and middle layers are combined, causing the filler cylinder to be compressed and deformed, resulting in a relatively thinner nonwoven fabric material while extending the filler cylinder and the internal flame-retardant material to increase the surface area. The outer strength layer and the coordinating layer use environmentally friendly materials to improve the structure's wear resistance, and the elastic layer, in conjunction with the flame-retardant layer, provides an initial flame-retardant effect. The elastic layer improves the structure's ductility and allows it to recover its shape when stretched. The inner antistatic layer reduces the probability of static electricity generation to prevent static electricity from igniting nearby flammable materials.

The invention provides an automatic fire extinguishing system for an electric vehicle charging parking space, and relates to the technical field of new energy fire extinguishing, and the automatic fire extinguishing system comprises a lifting module which has a lifting function and is used for descending an accident vehicle into a pit body when a fire disaster occurs; the injection module is used for injecting a fire extinguishing medium into the pit body when a fire disaster occurs; and the heat insulation module has a heat insulation function and is used for preventing flames from diffusing to the outside when a fire disaster occurs. A lifting type parking space structure is adopted, an automobile is descended into a pit body when a fire disaster occurs, water is injected into the pit body to submerge a battery pack at the bottom of the automobile, the effects of rapid submerging type fire extinguishing and comprehensive cooling are achieved, the system water stain loss is low, and the water consumption is far smaller than that of a conventional fire extinguishing system; the hidden heat insulation plate is arranged and automatically bounces when a fire occurs, the situation that a vehicle on fire ignites surrounding vehicles can be prevented, and the situation that the parking space is occupied in the non-accident stage is avoided.