24results about How to "Avoid fire risk" patented technology

The invention provides a photovoltaic sunshade shed. The photovoltaic sunshade comprises a frame structure and a photovoltaic module. The frame structure comprises a plurality of frame assemblies and a plurality of stand column assemblies, each frame assembly comprises a frame body provided with a cavity, the upper end of each stand column assembly is used for connecting two adjacent frame assemblies, and the lower end of each stand column assembly is used for being connected with a to-be-fixed face. The photovoltaic assembly is installed in the frame structure and comprises a photovoltaic piece, the photovoltaic piece comprises a photovoltaic panel and a connector extending out of the photovoltaic panel, the connector of the photovoltaic assembly is electrically connected through an electric connection assembly, and the electric connection assembly penetrates into the cavity of the frame body and extends to the cavity of the stand column assembly.

This utility model discloses an automatic graphite block adjusting lubrication device, relating to the field of mechanical engineering lubrication technology. It includes a frame adjusting screw, a locking nut, an adjusting nut, a sleeve, a guide shaft, a bushing, a push plate, a spring sleeve, a spring, a housing assembly, and a cover plate. The housing assembly is used to fix the sleeve, push plate, and bushing. The graphite block is placed on the push plate, the cover plate is closed, and it is secured with bolts. The adjusting nut is rotated to allow the graphite block to press against the part requiring lubrication, thus applying force to the spring. Finally, the locking nut is tightened to prevent the adjusting nut from loosening and causing the spring to lose force. This automatic graphite block adjusting lubrication device is not only suitable for large rotary kilns but also for equipment requiring lubrication under extreme high temperature, low temperature, and humid conditions. This device is safe and reliable, solving equipment failures caused by improper lubrication in large rotary kilns and reducing economic and manpower losses during maintenance.

The flame-retardant piezoresistor assembly comprises a base, a fixed conducting strip, an elastic conducting strip and a piezoresistor chip, a first piezoresistor conducting electrode and a second piezoresistor conducting electrode are arranged at the two ends of the piezoresistor chip respectively, and the lower end of the fixed conducting strip is fixed to the base; the upper end of the fixed conducting strip is connected with the first piezoresistor conducting electrode, the lower end of the elastic conducting strip is fixed on the base, and the elastic conducting strip has outward elastic force, so that the upper end of the elastic conducting strip is not connected with the second piezoresistor conducting electrode in a natural state that the lower end of the elastic conducting strip is fixed on the base; the upper end of the elastic conducting strip is connected with the second piezoresistor conducting electrode through metal welding, so that when the piezoresistor chip is in thermal runaway, the welding metal is melted, the elastic conducting strip rebounds outwards and is separated from the second piezoresistor conducting electrode, the electric connection between the piezoresistor chip and the second piezoresistor conducting electrode is cut off, and the piezoresistor chip stops heating in a power-off state; and the fire risk caused by ignition of the potting glue is avoided.

The utility model relates to the technical field of DC power supplies, and discloses an industrial special isolation DC power supply with overload protection, which comprises a power box and an overload protection module, a fan is arranged on the plane of one side of the power box perpendicular to the ground, strip-shaped grooves are arranged on the planes of the other three sides of the power box perpendicular to the ground, and the overload protection module is arranged in the strip-shaped grooves. Wherein a display screen, a button, an adjusting knob and an output interface are arranged on the upper portion of the front face, the output interface is electrically connected with a circuit integration module in the power box through a wire, and the circuit integration module comprises an input filtering module, an AC / DC conversion module, an isolation transformer, an overload protection module and a voltage stabilization output module. The overload protection module is used for monitoring output current in real time and cutting off power supply when the output current exceeds a rated value, and through the arrangement of the overload protection module, when the circuit current exceeds a set threshold value, the power supply is automatically cut off, so that equipment damage or fire risk is prevented, and the safety of the power supply module and load equipment under an abnormal working condition is ensured.

The utility model provides an antistatic protective film which comprises a protective film and a conductive mechanism, and the conductive mechanism comprises a fiber net, a plurality of metal sheets, four connecting rings, four wires and four grounding blocks. Wherein the fiber net is arranged on the bottom wall of the protective film; the plurality of metal sheets are respectively arranged on the bottom wall of the fiber net; the four connecting rings penetrate through the four corners of the fiber net correspondingly and are connected with the four corners of the fiber net correspondingly. The four wires are respectively connected with the corresponding connecting rings, and the four grounding blocks are respectively connected with the other ends of the corresponding wires. According to the antistatic protective film disclosed by the embodiment of the utility model, the conductive fiber net is compounded with the protective film base material in the manufacturing stage of the protective film, so that static electricity is transmitted to the wire through the conductive fiber net and then is conducted to the ground through the wire, and the risk that dust is adsorbed by the static electricity and a fire disaster is caused is effectively avoided.

This utility model discloses a dust collection device for cutting building decoration materials, including a debris collection device and a high-pressure blower. The debris collection device includes a collection bucket and a second air inlet pipe. A debris baffle is provided inside the collection bucket. An air inlet hole is formed through one side of the top of the debris baffle. Air outlet holes are uniformly formed around the air inlet hole at the top of the debris baffle. Limiting notches are uniformly formed on the outer side of the debris baffle. A base plate is fixedly connected to the bottom end of the second air inlet pipe, and an exhaust pipe is uniformly fixedly connected to the top of the base plate. A top connecting plate is fixedly installed at the top of the second air inlet pipe. This utility model effectively solves the problem of difficult high-temperature handling of metal cutting debris through an innovative design of water-cooled dust suppression and multi-stage interception. It utilizes the fine bubbles generated by the exhaust pipe to extend the gas-liquid contact time, combined with the debris baffle forcing the debris to collide and sink multiple times, rapidly cooling the high-temperature debris.

The utility model discloses a smokeless ashtray, which relates to the technical field of articles for daily use, and comprises an ashtray body, at least three cigarette clamping grooves are arranged at the edge part of the opening of the ashtray body, and the cigarette clamping grooves are uniformly distributed along the edge part of the opening of the ashtray body in the circumferential direction; and a cigarette end oxygen-free fire extinguishing cylinder for inserting a cigarette is vertically arranged at the bottom in the ashtray body. The cigarette end can be stably clamped on the edge of the ashtray opening and prevented from sliding or toppling over in the placing process, and sparks of the cigarette end can be quickly and effectively extinguished by inserting the cigarette end into the oxygen-free fire extinguishing cylinder for the cigarette end. The whole structure is simple and practical, and safer and more convenient use experience is provided.

The utility model relates to an airport deinsectization device which comprises a top plate 10, a containing box 20, a deinsectization lamp 30 and a deinsectization cage 40, the deinsectization lamp is installed on the top plate 10, the containing box 20 is arranged below the top plate 10, and the deinsectization cage 40 is arranged between the top plate 10 and the containing box 20. The insect killing lamps comprise a black light insect killing lamp with the wavelength of 320 nm to 390 nm, a blue light insect killing lamp with the wavelength of 350 nm to 490 nm, a yellow light insect killing lamp with the wavelength of 625 nm to 670 nm, a green light insect killing lamp with the wavelength of 555 nm to 610 nm and a red light insect killing lamp with the wavelength of 500 nm to 565 nm. The insecticidal lamp can meet the insecticidal requirements in most time periods and attract and kill various insects. A metal structure is adopted, fire risks can be avoided, a stable support and a connecting structure are adopted, and hidden dangers such as FOD are reduced.

This invention relates to the field of motor technology, and in particular to a carbon brush cleaning and cooling device for motors, comprising a fan, at least one air duct, and a fixing assembly. The air duct is mounted above the motor carbon brush assembly, with one end serving as an air inlet and the other end closed. Several ventilation holes facing the carbon brushes are provided at the bottom of the air duct. The fan's outlet is connected to the air inlet to supply cooling air to the air duct. The fixing assembly is connected to both the air duct and the motor body, detachably securing the air duct to the motor body. This invention features a simple structure, small footprint, and detachable installation on the motor body via the fixing assembly, requiring no modification to existing equipment. It is suitable for various exciters, back-pressure generators, and other motors, offering convenient installation and maintenance, and providing both cleaning and cooling functions.

This utility model relates to the field of pallet technology, and in particular to a fireproof and flame-retardant pallet, comprising a base plate, three side plates on the upper side of the base plate, a support plate on the upper side of the side plates, a flame-retardant and fireproof component one on the upper side of the support plate, and a flame-retardant and fireproof component two on one side of the side plates. The outer sides of the base plate, side plates, and support plate are coated with a fire-retardant coating. This utility model has excellent fireproof and flame-retardant performance: by setting the flame-retardant and fireproof component one on the upper side of the support plate and the flame-retardant and fireproof component two on one side of the side plates, the double flame-retardant design effectively improves the fire resistance of the pallet. The flame-retardant component one and flame-retardant component two are respectively filled with flame-retardant element one and flame-retardant element two, which can effectively delay the spread of fire and reduce fire losses in the event of a fire.

The invention provides an air conditioner electric heating control fault recognition system and an air conditioner thereof, and belongs to the technical field of air conditioners. The system fault detection unit is connected with the microprocessor and is used for detecting the working state of the electric heater after the microprocessor sends out a disconnection instruction and judging whether the relay has a contact adhesion fault according to the working state of the electric heater; wherein the fault detection unit can be a voltage detection module, and voltages at the two ends of the electric heater are safely collected through a differential amplification circuit for direct judgment; or an inner disc temperature sensor can be reused, and indirect judgment is carried out through abnormal temperature rise of the evaporator; a power detection module can also be used for analyzing the power change of the whole machine; on the basis of maintaining a low-cost framework of a single relay, real-time and accurate identification of electric heating control faults is realized, a user is prompted through sound-light alarm, potential safety hazards caused by relay faults are effectively avoided, and the method has the advantages of being low in cost, high in reliability and easy to implement.

The utility model relates to digital communication cable technical field, and disclose a kind of high-strength armoured digital communication cable and rubber sheath processing device, and the communication cable includes wear-resistant rubber sleeve, wear-resistant rubber sleeve inside fixedly connected with outer protective layer, the inside of outer protective layer is provided with protective steel wire, the inside of protective steel wire is provided with heat dissipation layer.The rubber sheath processing device, including support base, incoming line port and extrusion assembly, the top of support base is fixedly connected with processing body, and extrusion connecting block that cable sheath processing is guided is provided on processing body.By cable is passed through the inside of incoming line port limiting line holder and outgoing line extrusion rubber seat and is worn through outgoing line port, the electric telescopic rod is driven by the pneumatic telescopic rod of being set, so that its limiting push block pushes rubber and covers on cable, the processing of the rubber sheath of multiple cables is satisfied by the setting of several incoming line ports and outgoing line extrusion rubber seat, large-scale continuous production is realized, and the utilization of equipment is improved.

The invention discloses a special fire extinguishing agent for a lithium battery and application thereof, and belongs to the field of fire extinguishing agents. The agent is prepared from the following components in percentage by mass: 0.15% of potassium dodecyl benzene sulfonate, 0.1% of coconut oil fatty acid diethanolamide, 0.04% of ethylene glycol, 0.01% of sodium acetate, 0.02% of glycerol, 0.01% of EDTA (Ethylene Diamine Tetraacetic Acid) disodium and the balance of deionized water. The permeation and spreadability of the agent are enhanced through the synergistic effect of the composite surfactant, the lithium battery thermal runaway fire is efficiently extinguished in combination with the low-temperature stability and flame suppression of ethylene glycol and the HF neutralizing capacity of sodium acetate, open fire can be extinguished within 30 seconds without reburning, and the generation amount of HF is lower than 1 ppm; meanwhile, the specific resistance of the agent is larger than 10 M omega.cm, use is safe, damage to the battery is small, and the agent is suitable for lithium battery fire prevention and control of electric automobiles, energy storage power stations and other scenes.

The invention provides a switching power supply circuit with higher reliability, which comprises a primary side main control circuit, a secondary side main control circuit and an isolation communication module, and is characterized in that the primary side main control circuit comprises a first control module, a PFC (Power Factor Correction) voltage regulation output circuit, a second conversion module and a PFC controller; the secondary side main control circuit comprises a second control module, an indoor and outdoor power supply judgment module and an output voltage and current detection module, the indoor and outdoor power supply judgment module and the output voltage and current detection module are connected with the second control module, and the PFC controller controls the PFC voltage regulation output circuit to output stable conversion voltage. The second control module controls the output of the second conversion module according to a detection value of the output voltage and current detection module to realize closed-loop control of a voltage and current loop, the second control module obtains a detection result of the indoor and outdoor power supply judgment module, and when power is supplied to an indoor power supply line, the second control module controls the output of the second conversion module to realize closed-loop control of the voltage and current loop. The second control module controls current derating output. According to the invention, the safety of electricity utilization can be improved.

This invention provides a lightweight circuit breaker operating mechanism, relating to the field of circuit breaker technology. The lightweight circuit breaker operating mechanism includes a circuit breaker housing, inside which a circuit-breaking mechanism is disposed. The circuit-breaking mechanism includes a rotating shaft rotatably disposed inside the circuit breaker housing, a rotating plate fixedly connected to the outer side of the rotating shaft, a first connecting rod hinged to one side of the rotating plate, and a handle push rod hinged to one side of the first connecting rod. The rotating shaft is fixedly connected inside the circuit breaker housing, the handle push rod is rotatably connected to the rotating shaft, an armature is fixedly disposed on the inner side of the handle push rod, and a permanent magnet is fixedly disposed on the outer side of the circuit breaker housing. A spring is disposed on the outer side of the rotating shaft, with one end of the spring fixedly connected to the rotating shaft. In this invention, while the moving contact gains power and separates from the outer side of the stationary contact, the stationary contact can undergo a small range of displacement. Furthermore, the tension generated when the spring contracts can accelerate the movement of the moving and stationary contacts, thereby improving the circuit breaker's breaking speed.

The application provides an arc heater ballast resistor fireproof fixing device. The arc heater ballast resistor fireproof fixing device comprises a metal frame and a ceramic fixing assembly for fixing the ballast resistor on the metal frame, the ceramic fixing assembly comprises a first ceramic fixing piece, a second ceramic fixing piece and a ceramic buckle, the ballast resistor has a bending part and a connecting part connected with the bending part, the metal frame has a hollow part corresponding to the bending part, the first ceramic fixing piece is fixed in the hollow part of the metal frame, the second ceramic fixing piece is fixed on the metal frame, and the bending part and the connecting part of the ballast resistor are fixed on the first ceramic fixing piece and the second ceramic fixing piece through the ceramic buckle respectively. The arc heater ballast resistor fireproof fixing device solves the fire risk caused by the sharp rise of the surface temperature of the ballast resistor under the abnormal condition of large current or cooling water supply, and has the advantages of simple structure, light weight and high reliability.

The invention discloses a cold-state magnesium pre-adding process method for sponge titanium production in the field of chemical engineering, which comprises the following steps: S1, after cold-state magnesium adding and distillation are finished, cooling a reactor to be less than or equal to 45 DEG C, turning over and dismounting a lump-containing tank, adding a preset amount of solid magnesium ingot layer by layer through a vacuum channel of the reactor containing condensate, meanwhile, continuously filling argon into the reactor; s2, sealing and vacuumizing, installing a feeding pipe, and vacuumizing the reactor to form a negative pressure environment; s3, carrying out reduction low-temperature degassing, heating to a preset temperature, and maintaining the temperature for a preset time; s4, reducing the molten condensate, heating to a preset temperature, and maintaining for a preset time; s5, reduction charging is conducted, specifically, reduction reaction is conducted within the preset temperature range, and sponge titanium is generated; magnesium adding operation is carried out at a low temperature of less than or equal to 45 DEG C, so that the safety is improved, and the production cost is reduced by subsequent low-temperature degassing and reduction of melt condensate; and moreover, the cold magnesium addition under the protection of argon avoids the oxidation of magnesium ingots and residual low-valence titanium in the reactor.

The utility model relates to the technical field of flammable liquid cleaning, in particular to a flammable liquid cleaning equipment, which comprises: a machine body, a cleaning cavity is arranged in the machine body, a guide rail is connected to the inner wall of the cleaning cavity, and a drain pipe is arranged at the bottom of the cleaning cavity, an accommodating platform is outwardly extended at the bottom of the machine body, a liquid storage tank and a waste liquid storage cylinder are arranged on the upper side of the accommodating platform, a pneumatic pump is installed in the machine body, and a liquid outlet pipe is connected to the top of the pneumatic pump, the flammable liquid cleaning equipment uses the pneumatic pump as the power and cooperates with the spray pipe and the spray nozzle at the spray pipe to realize automatic cleaning, the risk of ignition of flammable materials caused by the use of electric control devices and power sparks can be avoided, the connection between the cleaning disc and the machine body is convenient and stable, the staff can operate conveniently, the movable cover plate is arranged and is limited in the magnetic suction mode, a flow guide plate is arranged in the movable cover plate, and the stimulation and injury of flammable materials to the human body can be effectively reduced.

The utility model relates to the technical field of circuit breakers, in particular to an anti-creeping circuit breaker. The circuit breaker comprises a circuit breaker body and two wiring holes arranged at the top and the bottom of the circuit breaker body, and also comprises two sealing devices which are respectively arranged at the two wiring holes and are used for sealing the two wiring holes. The two sealing devices are the same in structure, each sealing device comprises a wiring pipe and a sealing assembly, the wiring pipe and the sealing assembly are vertically and coaxially arranged, one end of the wiring pipe is connected with the outer wall of the circuit breaker body surrounding the wiring hole, the other end of the wiring pipe is detachably connected with the sealing assembly, and a wire hole is formed in the center of the sealing assembly; the inner wall of the wire hole can be attached to the outer wall of the electric wire. According to the utility model, by arranging the wiring pipe and the sealing assembly, external dust or rainwater can be effectively prevented from entering the circuit breaker body, so that short-circuit electric leakage or damage of the circuit breaker is avoided, and the safety is improved.

The application discloses a kind of monitoring devices of pre-stress of mine anchor body, belong to the technical field of mine safety monitoring, to solve the problems that existing anchor body pre-stress monitoring device is exposed to high humidity environment when monitoring terminal, condensate attachment causes short circuit, causes equipment downtime or fire risk, invention includes anchor body component, the stress sensor is fixedly connected in the position close to lower end of the anchor body component, the protective cover assembly is arranged outside the stress sensor, the protective cover assembly is coaxially arranged with anchor body component, the protective cover assembly is fixedly connected with anchor body component, protective cover assembly does not contact with stress sensor, to reduce the probability that short circuit is caused by condensation of triangular ring or half open terminal seat, regularly power on heat block, in turn make heat block generated heat conduction to memory alloy block, so that memory alloy block props open half open terminal seat to realize automatic power-off, avoid short circuit, cause equipment downtime or fire risk.

This invention discloses a safe and explosion-proof energy storage cabinet and method based on an Internet of Things (IoT) system, belonging to the field of energy storage technology. The safe and explosion-proof energy storage cabinet based on an IoT system includes a base plate, and further includes: a cabinet assembly disposed on the top of the base plate; a mounting frame disposed on the cabinet assembly; a nitrogen replenishment assembly disposed inside the mounting frame, with its fixed end disposed on the inner wall of the cabinet assembly; a support rod fixed to the top of the base plate, with its top end connected to the cabinet assembly; an exhaust assembly disposed on the top of the support rod and penetrating the top wall of the cabinet assembly; and storage components disposed on both sides of the top of the base plate. This invention, by supplying nitrogen gas to the cabinet interior to replace the internal air after the door is closed, can significantly improve the safety and stability of the safe and explosion-proof energy storage cabinet based on the IoT system. Nitrogen, as an inert gas, effectively prevents the risk of fire and explosion, and reduces dangers caused by battery failure or other reasons.

The utility model discloses a protection structure of an instant water heating integrated module. The protection structure is characterized in that a water flow channel is formed in a box body; the ceramic heating sheet is arranged in the box body and used for heating water flow; the water inlet electromagnetic valve and the water outlet elbow are respectively connected with the water inlet end and the water outlet end of the box body, and the water inlet end is also provided with a water inlet elbow; the water outlet is formed in the tail end of the water outlet elbow; the water inlet temperature sensor and the water outlet temperature sensor are arranged at the water inlet end and the water outlet end of the waterway respectively. The automatic reset temperature control switch is electrically connected with the ceramic heating sheet and is used for cutting off a power supply during overtemperature; the thermal fuse wire is installed at the bottom of the box body, located under the ceramic heating piece and used for cutting off a power supply permanently during dry burning. The water inlet temperature sensor and the water outlet temperature sensor monitor the water temperature in real time, and the main control board cuts off the power supply when the temperature is overhigh; the automatic reset temperature control switch senses the outlet water temperature, disconnects the circuit and automatically resets when the temperature exceeds the limit; the thermal fuse wire is located under the ceramic chip, the power supply is cut off permanently during dry burning, and the three-level protection avoids the fire risk.

The application discloses a system for batch discharging of retired power batteries, and discloses a discharging method using the system for batch discharging of retired power batteries, wherein the system for batch discharging of retired power batteries comprises a discharging tank, a driving mechanism and discharging particles; the discharging process does not need to use a special battery charging and discharging instrument with high price, the discharging particles used in the discharging process can be recycled and reused, the discharging cost is low, the discharging efficiency is high, no secondary waste water, waste gas and waste residue pollution is caused, and the system is safe and environmentally friendly; the positive and negative poles of the battery do not need to be specially connected, the risk of fire caused by local heating of the positive and negative poles of the battery due to poor contact caused by terminal oxidation after long-time use is avoided; through simple mixing of the battery and the discharging particles, the discharging can be realized by using the free conduction effect of the discharging particles, different sizes of power batteries can be compatible and applicable, the whole discharging process is simple and easy to implement, and is suitable for industrial application.

The application provides a blade deicing device and a deicing method, which comprise a heating assembly and an air supply assembly connected with the heating assembly and blowing heated air to the cavity inside the blade; a plurality of temperature monitoring assemblies arranged at different positions of the blade and used for monitoring the temperature at each position of the blade in real time; an environment monitoring assembly used for monitoring the rain and snow conditions of the current environment; a controller in communication connection with the heating assembly, the air supply assembly, the temperature monitoring assemblies and the environment monitoring assembly, used for controlling the power or start-stop of the heating assembly and the air supply assembly according to the received rain and snow condition signals and temperature signals; and a power supply used for providing working power for each electric component. The application uses hot air circulation combined with multi-point temperature monitoring to replace the traditional local conduction heating, solves the technical problem that the heat cannot be transmitted to the distal end of the blade in the traditional heating mode, realizes uniform deicing of the whole blade, and effectively restores the power generation of the fan in winter.