22results about How to "Fire hazard prevention" patented technology

The invention discloses a load access fault identification method and system based on an intelligent circuit breaker, and the method is characterized in that the method comprises the following steps: deploying a current collection unit in the intelligent circuit breaker, and continuously collecting the current of a load loop corresponding to the intelligent circuit breaker through the current collection unit; continuously calculating the current distortion rate of the load loop by using the collected current of the load loop, and counting current distortion anomalies by using a state counter; and when the counting of the current distortion abnormity exceeds an alarm threshold, a load access fault alarm is sent out. According to the method, the load access fault in the load loop corresponding to the intelligent circuit breaker is effectively analyzed, the arc ignition fault is intelligently recognized through a customized algorithm, automatic opening is achieved, and electricity utilization danger and fire hazard danger are avoided.

The present invention provides a flame retardant heat shrinkable insulation sleeve material, a flame retardant heat shrinkable insulation sleeve and a preparation method thereof. The flame retardant heat shrinkable insulation sleeve material provided in the present application comprises a silane grafted A material and a flame retardant B material in a mass ratio of (3-5):25. In terms of mass fractions, the material of the silane grafted A material comprises 85-95 parts of a first base resin, 1-5 parts of a silane coupling agent, 0.1-1 parts of an initiator and 0.5-1 parts of an optional first antioxidant; the material of the flame retardant B material comprises 100 parts of a second base resin, 35-45 parts of a flame retardant, 0.1-0.5 parts of a catalyst and 0.5-2 parts of an optional second antioxidant. The flame retardant heat shrinkable insulation sleeve material provided in the present application can not only achieve natural crosslinking by placement, has a simple process and low cost, but also has excellent flame retardant properties while ensuring the shrinkage performance of the material, thereby avoiding fire hazards.

The utility model relates to the technical field of agilawood formation, and discloses an ozone agilawood formation promoting device which comprises a control box, the top of the control box is fixedly connected with an ozone generator, the output end of the ozone generator is fixedly connected with an output pipe, and one end of the output pipe is fixedly communicated with a pipeline branching connector. And one output end of the pipeline branching connector is fixedly communicated with an air pipe. Through cooperative use of the ozone generator, the output pipe, the pipeline branching connector, the air pipe, the ozone conveying pipe, the storage battery, the photovoltaic charging and discharging management module, the time controller and other structures, ozone can be continuously provided for the interior of the aquilaria sinensis tree, so that the interior of the aquilaria sinensis tree is highly oxidized, aquilaria sinensis is promoted to form agilawood, and the aquilaria sinensis tree is protected from being damaged. The agilawood production device solves the problem of low yield of agilawood production through punching, avoids fire hazards caused by open fire in traditional methods such as burning of iron nails, and improves the practicability of the agilawood production device.

The utility model discloses a BIM-based electromechanical adjustable socket type embedded suspender structure which comprises a transverse carrying plate, an upper suspender and a lower suspender, and an embedded positioning mechanism is arranged at the top of the transverse carrying plate; a positioning disassembly and assembly mechanism is installed on the bottom face of the transverse carrying plate, an upper hanging rod is connected to the interior of the positioning disassembly and assembly mechanism, a lower hanging rod is slidably connected to the bottom end of the upper hanging rod in a sleeved mode, a lifting positioning mechanism is connected between the lower hanging rod and the upper hanging rod, and a wire groove is connected to the inner side of the lower hanging rod in an attached mode. According to the BIM-based electromechanical adjustable socket-and-spigot type embedded suspender structure, through BIM model pipeline positioning and factory centralized machining and manufacturing, welding can be avoided on site, body injuries caused by poisonous and harmful gas and welding sparks generated by welding to construction workers are avoided, especially when the construction workers are located in a limited space operation environment, the fire hazards on the construction site can be effectively prevented, and the construction efficiency is improved. And meanwhile, welding points do not need to be subjected to secondary anti-corrosion and anti-rust treatment on site, and construction procedures are reduced.

The invention discloses a cable centralized routing arrangement mechanism for an electric energy metering box and a use method thereof, and relates to the technical field of cable arrangement devices, the cable centralized routing arrangement mechanism comprises a box body, a routing mechanism is arranged in the box body, and a cooling mechanism is arranged on the routing mechanism. According to the cable centralized routing arrangement mechanism for the electric energy metering box and the use method thereof, the worm drives the worm gear and the threaded rod to precisely transmit, the circular-truncated-cone-shaped threaded block is driven to axially move, the four centrosymmetric adjusting blocks are synchronously pushed to radially move along the sliding grooves in the fixed cylinder, stepless adjustment of the caliber of a cable channel is achieved, and the cable centralized routing arrangement mechanism is simple in structure and convenient to use. By means of the design, the mechanism can be perfectly matched with cables of different diameters, stable supporting is provided for preventing loosening, meanwhile, damage to an insulating layer caused by mechanical stress generated due to too tight clamping is avoided, a linear alignment path is formed through cooperation of the first wire arrangement hole, the second wire arrangement hole and the wire frame right facing an outlet, and the wire arrangement efficiency is improved. The cable is ensured to be arranged orderly from the wire inlet hole to the wire outlet hole, and bending stress and mutual interference are reduced.

The present application relates to the technical field of industrial conveying equipment safety monitoring, in particular to a coal conveying belt deviation detection system based on a line anchor mechanism, comprising: a sensing and collecting module that collects dynamic tension waveform and contact point displacement data of a flexible line anchor device; a mechanical analysis module that inversely deduces lateral contact force based on a tension transmission model and separates transient mechanical disturbance and continuous extrusion behavior using time-frequency domain decomposition; a damage assessment module that constructs a friction heat energy integral model, calculates damage energy accumulation value and maps it into a risk assessment index; a hierarchical control module that executes early warning or emergency stop instructions according to index and threshold comparison; the present application effectively prevents thermal aging and fire hazards caused by long-term micro-friction of the belt edge.

The utility model relates to the technical field of fire-fighting lighting, in particular to an indoor oil depot lighting device which comprises a base and a lamp post arranged on the base, a control switch and a controller are arranged in the base, the lamp post is of a hollow structure, a partition plate is arranged in the lamp post in the axial direction, and the partition plate is connected with the base. A partition plate is arranged in the base and divides the hollow structure in the lamp pole into two independent channels, namely an air inlet channel and an air outlet channel, the air inlet channel and the air outlet channel are both communicated with the interior of the base, and an illuminating lamp is arranged on the lamp pole. The top of the lamp pole is closed, an air inlet channel at the top of the lamp pole is connected with an air inlet pipe, an air outlet channel at the top of the lamp pole is connected with an air outlet pipe, the air inlet pipe and the air outlet pipe extend to the outside, and a fan is arranged on the air outlet pipe. According to the utility model, outside air circularly enters the base through the lamp pole, so that the controller, the control switch and the like in the base are cooled and radiated, the safety in the use process is improved, and the fire hazard is avoided.

The invention relates to the technical field of intelligent household electrical appliance and flexible electric heating safety control, in particular to an electric blanket power control system and method, and the method comprises the steps: collecting a real-time voltage sampling sequence and a real-time loop current sampling sequence of an electric heating load, and calculating an actual measurement impedance sequence; constructing a virtual fault state, and generating a theoretical folding fault trajectory; calculating a difference value between the theoretical folding fault trajectory and the ideal impedance trajectory, and marking the difference value as a theoretical residual sequence; calculating the trend similarity between the actually measured residual error sequence and the theoretical residual error sequence; if the trend similarity is greater than a preset judgment threshold, judging that the current state is a folding overheating fault, and executing a latch-up protection strategy; otherwise, the current state is judged to be normal heat storage fluctuation, and a constant temperature adjusting strategy is executed; according to the invention, the problem of pain points of easy false alarm or protection delay in the prior art is solved, and the intelligent identification capability of the system is significantly improved.

The present invention discloses a photovoltaic module and a photovoltaic power grid utilization rate improvement system, which relates to the field of photovoltaic equipment technology, including a reflective bottom plate parallel to the ground and a reflective side plate perpendicular to the reflective bottom plate, a plurality of parallel thin-film double-sided photovoltaic panels are connected to the reflective side plate through a memory alloy plate, each thin-film double-sided photovoltaic panel is perpendicular to the reflective bottom plate and the reflective side plate, each memory alloy plate includes two memory alloy sheets riveted into one, and the two sides of the thin-film double-sided photovoltaic panel are respectively connected to a memory alloy sheet, and a plurality of slides are slidably connected to the reflective side plate, and a rotating bar is rotatably connected to each slide. In the present invention, the structural arrangement of the photovoltaic module is changed to achieve an increase in power generation in the morning and afternoon and a decrease in power generation at noon, so that the consistency of the photovoltaic power generation curve of the photovoltaic module with the power grid demand is improved from the source, the power quality of photovoltaic power generation and the safety of access to the power grid are greatly improved, and the photovoltaic grid price and power grid utilization efficiency are greatly improved.

The utility model relates to a test tool, in particular to a test tool for a cable wear resistance test. The utility model provides the testing tool for the cable wear resistance test. Comprising a base, a controller, a discharging hopper, a shell, a baffle, a supporting block, a guide rod, a rotating motor and a disc, openings are formed in the left side and the right side of the base, the controller is arranged on the front side of the base, the opening in one side of the base is fixedly connected with the discharging hopper, the shell is fixedly connected to the top of the base, and the baffle is transversely and slidably connected to the shell and made of glass; a supporting block is fixedly connected to one side of the top of the base, a guide rod is fixedly connected to the right side of the supporting block, the other end of the guide rod is fixedly connected to the right side of the inner side wall of the shell, a rotating motor is connected to the left side of the supporting block through bolts and electrically connected with the controller, and a disc is fixedly connected to an output shaft of the rotating motor. According to the utility model, after the fan is started, the heat of the polishing sheet is brought out of the equipment through wind power, so that test errors and fire hazards caused by overheating of the polishing sheet are avoided.

The utility model discloses a combined type steel structure high-altitude welding fire receiving bucket hanging cage which comprises a Z-shaped plate, a first hanging groove and a second hanging groove, the first hanging groove and the second hanging groove are formed in the upper side and the lower side of the two ends of the Z-shaped plate respectively, and groove openings of the first hanging groove and the second hanging groove are arranged inwards. The welding cage is detachably installed in the second hanging groove, a fixing rod is connected to one side of the middle of the welding cage, and a strip-shaped opening is formed in the end of the fixing rod; and an L-shaped rod is connected into the fire welding hopper, and the top of the L-shaped rod is installed in the strip-shaped opening through a rotating shaft. The fire welding bucket can be rapidly and safely hung on a flange plate of a steel structure beam through the Z-shaped plate, meanwhile, during welding operation, the fire welding bucket can be moved to a welding face through the L-shaped rod, the flexibility of the fire welding bucket is greatly improved, and the fire welding bucket is suitable for the operation environment that the welding face space is narrow, and efficient transfer is needed.

The utility model relates to a kind of plate straightening machine anti roller system oil leakage device, belong to the maintenance technical field of metallurgical industry plate straightening machine.The technical scheme is: containing oil receiving box (1), oil guide frame (4), drainage pipe (5) and collector (6), oil receiving box (1) is set between straightening machine work roll (01) and support roll (02), oil receiving box (1) is equipped with overflow hole (1006), oil guide frame (4) is below the overflow hole (1006) of oil receiving box (1), oil guide frame (4) is equipped with the oil discharge hole (402) matched with overflow hole (1006), drainage pipe (5) one end is connected with the oil discharge hole (402) of oil guide frame (4), drainage pipe (5) other end is connected with collector (6);The oil receiving box (1) is fixed on straightening machine support roll bearing seat (03).The utility model has the beneficial effects that:the oil leakage collection of straightening machine roll system can be realized, and the contact of oil leakage, work roll and steel plate is avoided.

The utility model relates to an automatic fire prevention system for a thermal forming line press, which comprises a hydraulic press, a flame recognition camera, a power supply circuit and a PLC (programmable logic controller), the flame recognition camera is arranged at an outlet of the hydraulic press and used for detecting images when a material part leaves the hydraulic press, and the hydraulic press comprises an oil pump motor. The power supply circuit supplies power to the oil pump motor, an emergency switch is arranged between the power supply circuit and the oil pump motor, the flame recognition camera outputs a detection signal indicating whether the material part is on fire or not to the PLC, and the PLC controls the emergency switch to be turned off according to the fire signal. According to the system, whether hydraulic oil leaks or not can be judged by directly recognizing whether a material part is burnt or not, once the flame recognition camera judges that the burning phenomenon exists, a disconnection instruction can be sent to the emergency switch through the PLC, an oil pump motor of the hydraulic press is shut down emergently, fire hazards are avoided, and the fire safety is improved.

The utility model relates to electric motor car charging socket, solved the open air electric motor car charging socket, the technical problem that heat dissipation efficiency is insufficient, especially involve a kind of electric motor car charging socket temperature control heat dissipation structure, including as the charging socket of support base, the charging socket socket end, top and bottom end are all equidistant and are provided with several heat dissipation sliding slot, the heat dissipation sliding slot inside are all slidingly connected with the docking slider, several the docking slider outside and enclosed baffle fixed connection, two the enclosed baffle opposite ends are all fixedly connected with side baffle, the side baffle bottom end is provided with gas outlet bottom window. The utility model because the setting of adjustable heat dissipation structure, realize efficient heat dissipation when charging and the dynamic switching of sealing protection when not using, effectively solve the contradiction of heat dissipation deficiency and rainwater intrusion under open air environment, avoid the equipment damage and fire hazard caused by long time heating, prevent rainwater erosion internal element simultaneously, prolong the life, improve use safety.

A kind of power battery system external fire experiment test device, comprising: main frame;Oil pan assembly, oil pan assembly is arranged in the inside of main frame;Waste liquid collection device, waste liquid collection device is arranged in the inside of main frame, waste liquid collection device is below oil pan assembly and is communicated with the bottom of oil pan assembly;Firebrick, firebrick is arranged in the inside of main frame and is located above oil pan assembly;Sample combustion rack, sample combustion rack is arranged in the inside of main frame and is located above firebrick;Heat reflecting cover, heat reflecting cover is arranged above main frame and is fixedly connected with main frame;Waste gas collection device, waste gas collection device is arranged above heat reflecting cover and is communicated with the top of heat reflecting cover.The power battery system external fire experiment test device of the utility model, it is reasonable in design, it solves the problems, such as serious energy waste, uneven heat radiation distribution, lack of integrated safety protection system and imperfect experimental waste gas treatment in prior art test device.

The invention belongs to the technical field of data acquisition control, and discloses an energy-saving equipment automatic start-stop system based on photoelectric sensing. Collecting a person leaving event trigger signal, stove surface temperature data and lampblack scattering or reflection intensity data based on an LED infrared or visible active light source in an equipment operation environment; performing time sequence alignment analysis on the stove surface temperature data and the oil smoke scattering or reflection intensity data, and extracting combined time sequence characteristics of a stove surface waste heat attenuation curve and an oil smoke scattering or reflection attenuation curve; constructing a dynamic attenuation coupling model of stove surface waste heat and lampblack scattering or reflection, and calculating a self-adaptive delay compensation coefficient in the dynamic attenuation coupling model; generating a self-adaptive energy-saving strategy of equipment automatic closing or air volume switching; and on the basis of the self-adaptive energy-saving strategy, the start-stop state of the equipment is controlled, automatic closing or switching from large wind to small wind is carried out when the stove surface temperature is reduced to the temperature threshold value, and automatic start-stop of the energy-saving equipment based on photoelectric sensing is achieved.

The utility model discloses a tool type movable comprehensive fire fighting platform which comprises a movable supporting mechanism, the movable supporting mechanism comprises a movable seat, and supporting legs are fixedly connected to the four corners of the bottom of the movable seat; the collecting and placing mechanism is mounted at the top of the movable supporting mechanism and comprises a storage shell fixedly connected to the top of the movable seat, a partition plate for dividing the internal space of the storage shell is fixedly connected to the inner wall of the storage shell, a slag discharging assembly is mounted on one side of the storage shell, and a fire-fighting equipment placing assembly is mounted on the other side of the storage shell; a fire extinguisher containing assembly is arranged on the front face of the storage shell. According to the utility model, unsafe behaviors and fire hazards occurring and generated in production operation can be effectively prevented, the safety guarantee of operating personnel is enhanced, the emergency handling capacity of sudden fire disasters is effectively improved, and popularization and application are facilitated in combination with actual conditions and green construction requirements.

The utility model relates to a kind of exhaust noise reduction box for generator set, including the box body enclosed by bottom plate, top plate and two side plates, the both ends of the box body are connected respectively with the container of louvre and generator set;Noisy piece is installed in the box body.Utilize a kind of exhaust noise reduction box for generator set designed in the utility model, can solve the exhaust side of container type generator set in the operation process, bear high-temperature hot gas and airflow pulsation and discharge task, usually set up silencer / noise reduction component in exhaust end, for example, commonly used straight-through type noise reduction piece, but the structure airflow path is single, to low frequency and weak blade tip through frequency, and bypass leakage passage is easily formed when wind pressure is suddenly changed, difficult to meet the full needs of container type generator set, and high-temperature hot gas borne by exhaust side is prone to cause equipment failure, bring the problem of security risk.

This utility model belongs to the field of grinding and dust removal technology, specifically relating to an explosion-proof wet dust collector. It includes a dust removal chamber, with a mounting frame on the top of the chamber to fix a fan. The fan's inlet connects to the inside of the chamber, and its outlet connects to the exhaust port. A dust extraction pipe is installed on the side wall of the chamber, passing through a water extraction pipe and connecting to a circulating water pump. The bottom, top, and middle sections of the chamber are equipped with bottom, upper, and middle partitions at an angle. A liquid seal is formed by submerging the bottom partition by 3mm to 5mm, which, combined with the oblique and reverse airflow channels formed by the multiple partitions, promotes thorough mixing of dust and liquid and condensation of water vapor. The circulating water pump delivers the liquid through a pipe to the nozzle at the inlet of the dust extraction pipe, flushing the inner wall to prevent dust accumulation. This design combines explosion-proof performance with high-efficiency dust removal capabilities, has a compact structure, and low cost, making it suitable for small-scale operating environments such as small and medium-sized processing plants.

This utility model discloses an antistatic fan guard, comprising: an annular mounting base and a guard body. The guard body is mounted on the annular mounting base and includes an annular outer frame. Four annularly distributed guard skeletons are fixedly welded to the inner wall of the annular outer frame. Multiple mesh rings are fixedly welded to the four guard skeletons. Both the guard skeletons and the mesh rings are made of antistatic metal composite material. Two symmetrically arranged snap-fit ​​mechanisms are provided on the annular guard. Two symmetrically arranged L-shaped fixing seats are fixedly mounted on the outer wall of the annular mounting base, and snap-fit ​​seats are fixedly welded to the L-shaped fixing seats. The guard body of this utility model is composed of guard skeletons made of antistatic metal composite material and multiple mesh rings, which allows the static charge on the guard body to be conducted to conductive bolts and discharged through wires, giving the guard body strong antistatic performance.

The application discloses a kind of polymer power battery feeding and discharging anti-collision manipulator, including manipulator installation mechanism, including anti-collision installation plate and spacing adjusting mechanism being set on anti-collision installation plate, spacing adjusting mechanism includes longitudinal drive part and bidirectional screw rod, longitudinal drive part is set on anti-collision installation plate, and its power output end is connected with one end of bidirectional screw rod;Two ball nuts are provided on bidirectional screw rod;Battery grabbing mechanism, two sets in total, symmetrically set below anti-collision installation plate, battery grabbing mechanism includes air claw installation plate, and a column of grabbing manipulator is installed in the bottom of air claw installation plate along transverse direction;And anti-collision mechanism is set on the upper portion of anti-collision installation plate, including connecting plate, anti-collision buffer rod assembly and pressure sensor, pressure sensor is set between connecting plate and anti-collision installation plate, and is electrically connected with alarm system.The beneficial effects of the application are: when battery collision occurs, automatic alarm can be realized, the yield of battery is improved, and the danger of battery fire is prevented.

The utility model discloses a heat preservation and sound insulation floor for assembly type construction, including the upper concrete layer, heat preservation and sound insulation layer and lower concrete layer that set gradually from top to bottom, heat preservation and sound insulation layer is equipped with special composite material truss mesh for connecting upper and lower concrete layer and transmitting vertical pressure, and lower concrete layer is factory prefabricated reinforced concrete layer, is provided with floor bottom layer steel bar, and upper concrete layer is the on -the -spot pouring concrete layer, is provided with floor surface layer steel bar. The utility model adopts multilayer composite structure, and organically combines heat preservation and sound insulation layer and structure layer, can effectively solve the problem of insufficient heat preservation and sound insulation performance of the existing assembly type floor, improves the heat preservation and sound insulation performance between building floors under the premise of not increasing cost and process complexity degree significantly, provides more comfortable, energy -conserving living environment for the user.