20results about How to "Reduce fire" patented technology

The application discloses a storage cabinet and an energy storage device, and relates to the technical field of fire fighting, wherein the storage cabinet comprises a cabinet body and at least one shell assembly, at least one first cavity is arranged in the cabinet body; the shell assembly is arranged in the first cavity, and the inside of the shell assembly is provided with a second cavity for mounting a battery structure; the first end of a first gas flow channel of the shell assembly is communicated with the first cavity, and the second end of the first gas flow channel is communicated with the outside of the cabinet body; a rotatable baffle structure is arranged in the first gas flow channel, and the baffle structure is used for shielding the first gas flow channel; the third end of a second gas flow channel is communicated with the first cavity, and the fourth end of the second gas flow channel is communicated with the inside of the shell assembly; the outer surface of a plugging piece is abutted against the inner wall surface of the second gas flow channel; the battery structure presses the first elastic piece to move the plugging piece towards the second end of the second gas flow channel and form a gap. The technical scheme provided by the application controls the oxygen concentration in the first cavity, so that the fire extinguishing efficiency is improved.

The utility model relates to the technical field of energy storage, and provides a battery cell module and an energy storage cabinet, and the battery cell module comprises a module shell, a battery cell module, an aerosol generation device, a first fire extinguishing agent supply part and a liquid cooling plate. A discharge port of the first fire extinguishing agent supply part, the battery cell module and the aerosol generation device are all located in the module shell; the aerosol generating device is used for generating aerosol when a fire occurs; the first fire extinguishing agent supply part is used for providing a fire extinguishing agent from the discharging opening when a fire occurs. And the liquid cooling plate is positioned in the module shell and is clamped between the battery cell module and the module shell. In this way, the fire-fighting performance of the battery cell module is improved, the purpose of timely extinguishing fire in the module shell can be achieved, and fire spreading is effectively prevented. And in addition, the liquid cooling plate effectively avoids accumulation of heat generated during operation of the battery cell module, so that the probability of fire disasters can be reduced from the source.

The utility model belongs to the technical field of vehicles, and particularly relates to a battery cell, a battery pack and a vehicle. Wherein the battery cell comprises a shell, a cell body, an anti-explosion valve and a temperature-sensitive material, the anti-explosion valve is arranged on the shell, the cell body and the temperature-sensitive material are both arranged in the shell, and the temperature-sensitive material can release gas when a preset temperature is reached. When the battery cell fails, the temperature of the battery cell begins to rise, when the temperature in the battery cell reaches the preset temperature, the temperature-sensitive material begins to release gas, the pressure in the battery cell is increased, and when the pressure in the battery cell is accumulated to the valve opening pressure, the anti-explosion valve is opened, the temperature of the battery cell does not reach the initial temperature of thermal runaway of the battery cell at the moment; and the temperature of the battery cell is reduced while the anti-explosion valve is opened, so that the possibility of thermal runaway of the battery cell is effectively reduced. Therefore, the temperature-sensitive material is arranged in the shell, so that the time for the battery cell to reach the valve opening pressure is shortened, the battery cell is enabled to open the valve at a safe temperature, the probability of firing and explosion of the battery pack is reduced, and the possibility of thermal runaway of the battery cell is reduced.

This invention relates to a flame-retardant sprayable polyurea waterproof coating for rigid foam roofing insulation. The coating comprises component A and component B. Component A includes a modified isocyanate prepolymer. Component B includes the following components: polyether, amino chain extender, amino POSS crosslinking agent, expanded graphite flame retardant, and additives. The modified isocyanate prepolymer is obtained by reacting amino POSS, polyether polyol, and MDI. Through the compounding of component A and component B, this invention reveals that the modified isocyanate prepolymer containing a POSS cage structure, the amino POSS crosslinking agent, and the expanded graphite flame retardant synergistically and significantly improves the flame-retardant and heat-resistant properties of the coating, while also enhancing the material's hardness and adhesion, among other physical and chemical properties.

The utility model belongs to the technical field of switch panels, and particularly relates to a switch power supply panel with a reinforcing rib structure, which comprises a shell assembly, a switch assembly, a reinforcing assembly and a protection assembly, the switch assembly is arranged in the shell assembly, the reinforcing assembly is arranged in the shell assembly, and the protection assembly is arranged in the shell assembly. The protection assembly is arranged on the outer side of the shell assembly, through arrangement of the reinforcing frame, the reinforcing frame is used for protecting the outer frame of the switch assembly, meanwhile, the stability of the switch assembly during use after installation is improved through the limiting plate, and the reinforcing plate enables the shell assembly to be used for a long time, the rib height is properly increased so as to enhance the bending resistance, and the service life of the switch assembly is prolonged. According to the utility model, the structure is simple, the appearance of the shell assembly is not easy to deform, the shell assembly is provided with the installation groove for installing the reinforcing assembly, the reinforcing frame is connected with the shell assembly through bolts, stress concentration points at connection gaps are reduced, the reliability and strength of connection are improved, and the problems of accidental touch of a user and low strength are solved.

This application provides a flight device, comprising: a fuselage; and an energy storage component disposed outside the fuselage, the energy storage component including a connecting mechanism and a battery, the connecting mechanism being mounted on the fuselage; the connecting mechanism having a locked state and an unlocked state, the connecting mechanism being configured to switch between the locked state and the unlocked state, in the locked state the connecting mechanism being connected to the battery, and in the unlocked state the connecting mechanism being disengaged from the battery, thereby detaching the battery from the fuselage. With this configuration, in emergency situations such as battery spontaneous combustion, the connecting mechanism can switch to the unlocked state. Since both the connecting mechanism and the battery are located outside the fuselage, the interior of the fuselage can be effectively isolated from fire sources, while the battery can be quickly jettisoned.

The invention relates to an arc-proof low-voltage switch, and relates to the technical field of low-voltage switches, the arc-proof low-voltage switch comprises a switch body, the front surface of the switch body is provided with an arc extinguishing mechanism, and the back surface of the switch body is provided with a rapid installation mechanism; the arc extinguishing mechanism comprises an arc extinguishing cover which is fixedly embedded in the front surface of the switch body. The arc extinguishing mechanism is arranged on the front face of the switch body, an electric arc is pulled into the arc extinguishing cover under the action of electromagnetic force, the arc extinguishing grid pieces evenly distributed in the arc extinguishing cover at intervals can rapidly divide and extinguish the electric arc generated in the on-off process of the switch, the electric arc is divided into multiple sections of short arcs after entering, and the electric arc sensor and the heat dissipation mechanism are arranged in a matched mode. The arc condition can be monitored in real time, when it is detected that an arc is generated, a driving motor is started through a control module to drive an air guide impeller to rotate, filtered air is sucked in through an L-shaped ventilation pipe, and then the filtered air is accurately conveyed into heat dissipation shells on the two sides of an arc extinguishing cover through an air guide pipe and a U-shaped flow dividing pipe.

This patent introduces a power distribution switch control cabinet capable of preventing and protecting against fires, facilitating timely response to any fires that may occur. This structure is named a fireproof power distribution switch control cabinet. In this fireproof power distribution switch control cabinet, several cooling fans dissipate high internal temperatures through several cooling grids, preventing heat accumulation and the generation of a fire. When the smoke sensor and the fire detection device detect smoke and open flames, they activate several exhaust fans at the top and the high-pressure powder storage box at the bottom, extinguishing the open flames inside through the powder spraying pipe and several powder spraying holes. Simultaneously, the exhaust fans reverse to create negative pressure inside, discharging the smoke through the exhaust stack.

This utility model discloses an explosion-proof and flame-retardant liquid-cooled high-voltage automotive cable and its cable sheathing equipment. The cable includes a liquid-cooling pipe, a bare copper conductor, a wrapping layer, an explosion-proof tin-plated braided copper mesh, and a polyolefin insulation layer; the liquid-cooling pipe is located in the center of the cable. The cable sheathing equipment is a screw extruder, and the extrusion die is a double-layer die, including an inner die tube and an outer die tube. This utility model can effectively improve the cooling efficiency of the cable by setting up the liquid-cooling pipe, reducing the risk of fire caused by cable overload during the operation of electric vehicles, and improving the safety of electric vehicle operation. The cable sheathing equipment provided by this utility model, through the setting of the double-layer extrusion die, can effectively reduce the risk of compression deformation of the liquid-cooling pipe during the extrusion operation, ensuring the cooling efficiency of the cable.

The utility model provides a kind of HNSPS low energy consumption external wall external thermal insulation system, it is related to external wall thermal insulation technical field, including base wall, adhesive layer, thermal insulation layer and protective layer;Base wall includes concrete wall or masonry wall;Adhesive layer includes bonding mortar and anchor bolt, bonding mortar is located base wall outside;Thermal insulation layer is HNSPS insulation board, thermal insulation layer is located between adhesive layer and the protective layer of outermost layer.The utility model has the beneficial effects of: reasonable in design, simple structure, safe and reliable, improve the fire performance of system, reduce the fire occurrence in the use process of the product.

The utility model discloses a personnel wears's anti -static device relates to anti -static technical field, including the rubber band band for fixing on the human body, and the inner side fixed of rubber band band and human body contact is equipped with contact metal sheet, and the lower extreme of contact metal sheet is connected with grounding mechanism through the wire, and the grounding mechanism includes grounding metal sheet, U -shaped clamping plate and hollow adjusting plate, U -shaped clamping plate opening faces down, and U -shaped clamping plate is used for clamping in personnel's shoe side, and hollow adjusting plate and U -shaped clamping plate slidingly cooperate, and the bottom of hollow adjusting plate is connected with grounding metal sheet, and the height adjusting mechanism is arranged between hollow adjusting plate and U -shaped clamping plate, and the height of hollow adjusting plate and grounding metal sheet is adjusted through height adjusting mechanism, this device can wear personally, and simple structure is light and easy, can effectively eliminate human body static, is applicable to chemical production environment.

The present application relates to the technical field of forest cultivation, and provides a large-diameter-grade knot-free fine timber cultivation method for pine-broadleaf mixed forest, which comprises the following steps: selecting a forestation site and then carrying out site preparation, planting pine seedlings and broadleaf tree species, pruning according to a pine branch stake embedding area formula, applying an external growth agent to the pruning mouth, thinning and adjusting the pine forest density, and harvesting the pine when it is matured. The pine and broadleaf tree species are planted and mixed at the same time, which can promote the growth of the pine, improve the soil environment, enhance the resistance to the outside world, and significantly improve the comprehensive benefits per unit area. In addition, after pruning and applying the external growth agent, the cultivation period of the knot-free pine fine timber is shorter.

The invention discloses a methanol generator set, which relates to the technical field of methanol generators and comprises a box body, a base is mounted at the bottom of the box body, a bottom plate is fixedly mounted on the top surface of the base, the bottom plate is positioned in the box body, a generator body is fixedly mounted on the top surface of the bottom plate through a support block, and an engine body is arranged on one side of the generator body. One side of the engine body communicates with a liquid inlet pipe, the liquid inlet pipe communicates with a methanol tank, the top of the methanol tank communicates with a bent pipe, the end of the bent pipe is detachably connected with a connector, the end, away from the bent pipe, of the connector is fixedly connected with a conveying pipe, a sealing mechanism is installed in the connector, the other side of the engine body communicates with a waste gas pipe, and the waste gas pipe communicates with a filter box. And a filtering mechanism is mounted in the filtering box. The sealing mechanism can prevent liquid at the joint from leaking after supplementing is completed, the fire or explosion risk is reduced, the health of operators is guaranteed, the filtering mechanism in the filtering box can conduct multi-stage purification on waste gas, and emission of harmful gas is reduced.

The invention provides a battery monomer, a battery device and a power utilization device, an electrode terminal of the battery monomer is arranged on a wall part of a shell, an electrode assembly is accommodated in the shell, the electrode assembly comprises a first tab and a second tab which are opposite in polarity, and a current collector is positioned between the inner wall of the shell and the electrode assembly; the first connecting part and the second connecting part of the current collector are arranged at an interval, the fusing part is connected between the first connecting part and the second connecting part, the first connecting part is connected to the second tab, the second connecting part is connected to the inner wall of the shell, and the fusing part is configured to be capable of cutting off the connection between the first connecting part and the second connecting part. When short circuit occurs in the battery monomer and overcurrent occurs in the fusing part, the fusing part cuts off the connection between the first connecting part and the second connecting part due to the fact that the temperature exceeds the first threshold value, and a short-circuited loop in the battery monomer is cut off, so that the battery monomer has relatively high reliability, and the reliability of the battery device is improved.

The utility model discloses a multifunctional pneumatic extinguisher which comprises a machine body, a using assembly is arranged on the machine body, the using assembly comprises a motor, an air pipe, a rotating blade, a water tank and a top handle, the motor is fixedly installed on the machine body, the air pipe is connected to one end of the machine body, the rotating blade is connected to the output end of the motor, and the water tank is connected to the top handle. The water tank is arranged at one end of the machine body, the top handle is arranged at the top of the machine body, an adjusting assembly is arranged on the water tank and comprises a water inlet pipe, a rotating ring and a rotating rod, the water inlet pipe is installed at the top of the water tank, the rotating ring is rotationally connected to the water inlet pipe, and the rotating rod is installed on the rotating ring; the technical problem that when a multifunctional pneumatic extinguisher mentioned in the background technology conducts fire extinguishing work, a fire source is usually extinguished through pure wind power is solved.

This application discloses a battery cell and a battery pack, relating to the field of power battery technology. In the battery cell, an electrode assembly is disposed within a housing; a top cover is connected to the housing along a first direction; an insulating member is disposed within the housing, located on the side of the top cover near the electrode assembly; a connecting piece is disposed within the housing and electrically connected to the electrode assembly; a first end of a resistor is connected to the top cover, and a second end of the resistor passes through the insulating member along the first direction and is connected to the connecting piece; the top cover and the resistor have mutually cooperating mating parts. The resistor can conduct electricity to form a short circuit between the top cover and the connecting piece when the temperature of the battery cell continuously rises, causing the battery to discharge rapidly to a low charge level, thereby reducing the battery's charge level. Even if thermal runaway of the battery cell is triggered, the risk of the discharged battery catching fire or exploding is reduced. This improves battery safety and reduces the risk of thermal runaway propagation.

The application provides an electric core, a battery pack and an energy storage device. The electric core comprises a shell, an end cover, a winding core and an explosion-proof valve. The end cover is sealed at an opening of the shell. The winding core is arranged in the shell. The explosion-proof valve is integrated on the end cover. The electric core further comprises a current collector. The current collector is electrically connected to each tab of the winding core. The end cover is formed with a channel. The channel communicates the explosion-proof valve and the winding core through an internal space of the shell. The current collector is disc-shaped and is configured to separate the channel. A plurality of through holes are formed on the current collector. The through holes are configured to allow gas to pass through and block solid particles. The electric core, the battery pack and the energy storage device provided by the application can filter the ejected solid particles while maintaining the volume of the electric core.

The utility model provides an anti-aging high-temperature-resistant electric tracing band structure, which comprises an insulating layer, two ends of an inner cavity of the insulating layer are symmetrically connected with guide cores, the surfaces of the guide cores are fixedly connected with a high-temperature-resistant layer, the outer side surface of the insulating layer is fixedly connected with a shielding layer, and the outer side surface of the shielding layer is fixedly connected with a flame-retardant layer. The outer side face of the flame-retardant layer is fixedly connected with the protective layer, the protective layer is composed of an inner sheath layer and an outer sheath layer, the inner sheath layer is fixedly connected to the outer side face of the flame-retardant layer, the outer side face of the inner sheath layer is fixedly connected with reinforcing wires through positioning grooves, and the outer sheath layer is fixedly connected to the outer side face of the inner sheath layer. The outer side surface of the outer sheath layer is fixedly connected with a reinforcing layer. According to the utility model, through the cooperation of the protective layer, the reinforcing wires and the shielding layer, the overall mechanical strength of the electric tracing band can be enhanced, and the anti-aging and high-temperature-resistant effects can be enhanced.

This utility model discloses a portable support for fixing fireworks arrays during launch, relating to the field of fireworks technology. It includes a bottom support at the bottom of the fireworks array, with symmetrical side support members that mate with the outer surface of the fireworks array. Two side support members are connected by fasteners to form a launch support for clamping the fireworks array. The bottom support includes an outer frame with a rectangular structure. A crossbar is symmetrically fixed to the top of the outer frame, and the bottom of each side support member is connected to the crossbar. This utility model, through the bottom support and side support members forming a support structure, effectively resists the recoil force during fireworks launch, preventing tipping and reducing the risk of fire or personal injury. The folding design significantly reduces storage volume, and the straps also serve as fixing tools, facilitating transportation and storage. The Velcro closure combined with the straps allows for simple operation, enabling quick assembly or disassembly without tools.