14results about How to "Fire Hazard Prevention" patented technology

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 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 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 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.

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.