407results about How to "Protection security" patented technology

This application discloses a communication connection method, an in-vehicle device, and related media. The method can be used with a first in-vehicle device that provides wireless communication hotspot services. The method includes the following steps: the first in-vehicle device receives a wireless connection request from a second in-vehicle device; if the wireless connection request includes a preset device identifier, and the preset device identifier matches the device identifier of the first in-vehicle device, the first in-vehicle device allows the second in-vehicle device to establish a wireless connection. By implementing the method of this application, the device providing wireless communication hotspot services can compare the target MAC address in the wireless connection request (i.e., the MAC address of the hotspot device with which the device wants to establish a wireless connection) with the MAC address of the current hotspot device to avoid the device mistakenly connecting to hotspots (or other wireless communication hotspot services). This also helps to enhance the accuracy of wireless connections and protect the security of user data.

The utility model discloses an automatic probe mechanism component of a numerical control machine tool, which relates to the technical field of automatic detection of machine tools and comprises a machine tool ram, one end of the machine tool ram is detachably connected with an L-shaped fixing plate, the lower end of the L-shaped fixing plate is detachably connected with a marble base, and the lower end of the marble base is detachably connected with a linear module. Circular double guide rails are arranged in the linear module, a movable sliding plate is arranged between the two circular double guide rails, a probe seat is detachably connected to the lower end of the movable sliding plate, a probe is arranged on one side of the probe seat, and a headless screw used for fixing the probe is arranged at the lower end of the probe seat. According to the automatic probe mechanism component of the numerical control machine tool, the probe base is converted to the horizontal plane through the L-shaped fixing plate, and meanwhile, the stability of a probe mounting track is effectively improved under the cooperation of the marble base station; the telescopic design effectively protects the waterproofness and safety of the probe, and further improves the detection precision of the probe.

This invention discloses a surgical field gimbal imaging device and method, relating to the field of medical auxiliary devices. The device includes a mounting base, a fixed column fixedly connected to one side of the mounting base, a columnar connecting groove on the side of the fixed column away from the mounting base, a connecting column inserted into the columnar connecting groove, and a connecting seat fixedly connected to the side of the connecting column away from the mounting base. A camera body is mounted on the other side of the connecting seat via a multi-directional rotation mechanism. Multiple limiting mechanisms are also included, used to limit the connection between the fixed column and the connecting column. Each limiting mechanism includes an L-shaped frame fixedly connected to the side wall of the fixed column. Compared to traditional imaging devices and head-mounted supports directly connected via multiple screws, this solution uses a connecting seat at the connection point. The connecting seat and the imaging device employ a simpler, detachable connection method, facilitating disassembly, inspection, and maintenance of the imaging device.

The utility model discloses a modularized pump pipe protection device which comprises a plurality of protection frames, a plurality of installation openings are evenly formed in the four side faces of each protection frame in the direction of a pump pipe, the installation openings are detachably connected with protection nets, and a connecting assembly is arranged between every two adjacent protection frames. The connecting assembly comprises a fixed connecting piece and two movable connecting pieces symmetrical about the pump pipe, a plurality of adjusting holes are evenly formed in the movable connecting pieces along the arc-shaped edges, and limiting holes matched with the adjusting holes are formed in the fixed connecting piece. By the adoption of the modular design, the protection module can be directly prefabricated in a factory or a workshop through the protection frame, the protection net and the connecting assembly, on-site welding machining is not needed, on-site connection and fixation are simple, meanwhile, the punching net pieces of the protection net can fully buffer and absorb energy of high falling objects, and the safety of the pump pipe is effectively protected.

This invention discloses a forced-drive comb-tooth tower garage suitable for low-rise buildings in the field of automated parking systems. The transverse comb-tooth frame includes a transverse frame with arrayed comb-tooth components on both sides. The lifting comb-tooth frame includes symmetrically arranged lifting frames with fixedly connected adapter frames at both ends. Each adapter frame has a welded forced-drive frame. The lifting frames have arrayed comb-tooth components on their sides and symmetrically distributed rotating rods at their lower ends. Symmetrically distributed rectangular limiting posts are located within the forced-drive frames. In this invention, the limiting plates within the comb-tooth components of the forced-drive comb-tooth tower garage can automatically rotate and rise, preventing vehicle displacement and rollover caused by vibrations during the lifting and lowering of the lifting comb-tooth frame, the exchange of positions between the transverse and lifting comb-tooth frames, and the transverse movement of the transverse comb-tooth frame. The lifting comb-tooth frame has a horizontal detection function and a fault protection function.

The utility model relates to a pressure measuring diaphragm capsule protecting and cleaning device which comprises a top cover and a base, clamping grooves are formed in the bottom of the top cover at equal intervals, clamping strips are fixedly connected to the top of the base at equal intervals, the clamping strips are used in cooperation with the clamping grooves, and the base is located on the outer side of a measuring diaphragm capsule. The device has the beneficial effects that a disposable film can be quickly fixed above the measuring diaphragm capsule, the influence of the external environment on the measuring diaphragm capsule is reduced, and the risk that the measuring diaphragm capsule is damaged or the measuring precision is reduced due to factors such as accidental collision or dust is reduced.

The application discloses a power cabinet with a leakage monitoring structure and relates to the technical field of power cabinets.The power cabinet with the leakage monitoring structure comprises an equipment frame, a supporting plate is fixedly arranged in the equipment frame, an electric push rod is fixedly arranged on one side away from an output end of the equipment frame, and a limiting device comprises a square block, a circular plate, a wiring head, an electric wire, a fixing plate, a limiting block, an L-shaped plate, a square block and a wiring frame.The square block is slidably arranged above the supporting plate, the wiring head is fixedly penetrated through inner and outer walls of the square block, and the power cabinet with the leakage monitoring structure can be detected only after being limited, so that the power cabinet can be overhauled or operated in a safe state, the safety of operators is maximally ensured, and the internal electrical equipment can be better protected and the risk of equipment damage caused by leakage can be reduced.

The embodiment of the specification discloses a data transfer quota checking method and device, a storage medium and a terminal. In response to a transfer quota checking request for a target data transfer task, a plurality of resource transfer data corresponding to the target data transfer task are collected. A target transfer quota checking strategy is determined according to the total number of all resource transfer data. The target transfer quota checking strategy is used to calculate each resource transfer data, and a transfer quota difference value between inflow data and outflow data in each resource transfer data is obtained. The transfer quota difference value is used to determine a transfer quota checking result of the target data transfer task. The related resource transfer data is collected with the data transfer task as an anchor point, the quota checking is avoided from the perspective of the main body, and the abnormal positioning accuracy is improved. The dynamic selection of the calculation mode based on the transfer quota checking strategy can adapt to data transfer tasks of different sizes and avoid the performance bottleneck caused by the fixed strategy.

The application provides a power system control method and system of a hydrogen energy vehicle. By setting a separate control device for a hydrogen fuel cell stack, the hydrogen fuel cell stack can be more accurately controlled in different operating states. When the hydrogen fuel cell stack is unloaded, the reduced current can be compensated by the battery output, so that the sudden power output drop of the user during use can be avoided, the safety of the stack is protected, the service life of the hydrogen fuel cell stack is improved, and the user experience is not affected.

The invention discloses a temperature measuring device based on a fluorescent material, and the device comprises a housing which comprises an upper cover, a housing pedestal, an LED light source, a fluorescent material, an optical fiber probe, an optical fiber spectrometer, an optical fiber, a console, a display screen, a charging device, a charging hole, a charging line, and a data exchange interface. The temperature measurement method based on the fluorescent material comprises the steps of database input, fluorescent material excitation, light sample collection, light component analysis, light parameter transmission, temperature value calculation and temperature value feedback.

The utility model relates to the technical field of grating, disclose a kind of tugboat deck antiskid grating device, including frame, the left and right sides of the frame are provided with quick-mounting mechanism, the front side of the frame is provided with collection mechanism, the upper and lower ends of the frame are provided with limiting component, the inner wall left and right sides of the frame are provided with portable component, the quick-mounting mechanism includes two protective shells, the right end of two the protective shells is fixedly connected in the left side of the frame, the upper and lower sides of the protective shell are fixedly connected with slider, the inside of the protective shell is fixedly connected with fixed column, the left end of the fixed column is fixedly connected with buckle head, the right side of the frame is provided with two clamping grooves. In the utility model, by adding quick-mounting mechanism, solve the bolt fixing of traditional grating and the cumbersome disassembly and assembly, without tool, the quick disassembly and assembly of single steel grating can be realized, the downtime of deck maintenance is greatly shortened, and key support is provided for tugboat deck antiskid grating device.

The utility model discloses a lightning protection mechanism of a power distribution cabinet for power transmission, and belongs to the technical field of power transmission equipment. The device mainly comprises a synchronous driving unit, the synchronous driving unit is installed at the top of the power distribution cabinet and drives a retracting and releasing unit to rotate at the top of the power distribution cabinet, the retracting and releasing unit comprises a worm, a worm gear and a rotating rod, the worm is in meshed connection with the side wall of the worm gear, and the rotating rod is in key connection with the interior of the worm gear. One end of each rotating rod is rotationally connected to the inner side wall of the power distribution cabinet through a bearing seat, the other end of each rotating rod is fixedly provided with a lightning protection unit, and the synchronous driving unit is matched with the retracting and releasing unit, so that flexible retracting and releasing of the lightning protection units are achieved. In no thunder and lightning weather, the lightning protection unit can be recycled into the power distribution cabinet, external environment erosion is reduced, and the service life of the lightning rod, the insulating base and other components is prolonged.

Embodiments of the present application provide a data aggregation method, a data aggregation device, an electronic device, a chip, a storage medium and a computer program product. The method comprises: performing a desensitization aggregation operation on target data in a target database according to aggregation query configuration information to obtain a desensitized aggregation data table; wherein the aggregation query configuration information comprises: a dimension field, a metric field, a desensitization rule and an aggregation rule; the dimension field and the metric field represent the target data, the desensitization rule represents a desensitization manner of a specific field, and the aggregation rule represents an aggregation manner of a specific field.

This utility model relates to the field of wood processing technology and discloses a wood grooving mechanism, including: a cutting blade mounted on a workbench via a mounting bracket; a protective cover located around the outer ring of the cutting blade; a compression device mounted on a base plate; and multiple nozzles, all connected to the compression device via connecting pipes, with the nozzles located inside the protective cover. In this utility model, by incorporating a protective cover, compression device, nozzles, a dust collection device, a dust collection hood, a telescopic component, and a push plate, the protective cover prevents wood chips from splashing, maintaining a clean environment and ensuring operator safety. The compression device and nozzles generate high-speed airflow to blow away wood chips from the cutting blade, keeping the blade sharp, reducing energy consumption, and extending its lifespan. The dust collection device and dust collection hood efficiently collect wood chips, optimizing the environment and reducing the impact of wood chips on the environment and human health. The telescopic component and push plate assist in cleaning debris from the workbench, ensuring effective collection and improving the mechanism's versatility and practicality.

This utility model discloses a furnace cover moving assembly suitable for top feeding and discharging of materials in a furnace, relating to the field of ultra-high temperature industrial electric furnace technology. It includes hinge columns, tracks, crossbeams, chain shafts, hydraulic cylinders, and wheel sets. Two parallel hinge columns are vertically arranged, with a chain shaft at the top of each hinge column. One end of the track is rotatably connected to the hinge shaft. Hydraulic cylinders are connected to the bottom of the two tracks at the ends furthest from the hinge columns. The bottoms of the hydraulic cylinders are fixed to supports. Support seats are fixedly connected to both sides of the furnace cover, with wheel sets connected to the bottom ends of each support seat. The wheel sets are tactilely connected to the tracks. The furnace cover moving assembly is fixed to one side of the furnace body via the hinge columns, with the furnace body located between the two tracks. This utility model solves the problem of difficult furnace cover hoisting during the feeding and discharging process of a vertical high-temperature purification furnace.

The utility model relates to the technical field of automobile engineering, in particular to a clamping jaw control parking structure which at least comprises a buckle valve sleeve part assembly and an electromagnetic part assembly, and the buckle valve sleeve part assembly and the electromagnetic part assembly are fixedly connected with a bent closing opening of a valve shell through the characteristics of a flange plate protruding out of the end of a valve sleeve. The electromagnetic part assembly comprises a valve shell, a gasket, a PIN protection cover, a dustproof cover, two PINs, a solenoid, a rear yoke sleeve and a magnetic core. The gasket is of an injection molding structure and is arranged between the valve shell and the valve sleeve. The clamping spring is mechanically buckled with the outer circle of the large valve element through a sectional structure, and the locking state can still be kept when the electromagnetic valve fails. Even if the electromagnetic force or the spring force disappears, the arc of the clamping spring can still tightly buckle the outer circle of the large valve element, the large valve element push rod is prevented from rebounding, the parking failure risk is completely eradicated from the mechanical structure, the gearbox safety is protected, and double safety guarantees are formed.

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

The utility model discloses a multi-layer type exosome cryopreservation device which comprises a tank type shell and a nozzle sleeve arranged at the top end of the tank type shell, a tank nozzle is fixed in the nozzle sleeve, an inner container is arranged in the center of the tank type shell, and the bottom end of the inner container is fixedly connected with the inner wall of the bottom end of the tank type shell through a plurality of heat insulation fixing supports. The multiple heat insulation fixing supports can enable the inner container to be fixed in the tank type shell in a suspended mode, the novel lifting and protection device is additionally arranged outside the tank type shell, the lifting and protection device can achieve the protection effect through the multiple arc-shaped metal protection plates surrounding the tank type shell, and during the transportation period of the multi-layer exosome cryopreservation device, the multiple arc-shaped metal protection plates surround the tank type shell. A reliable anti-collision barrier can be formed, the risk that the device is damaged due to collision is greatly reduced, the safety of the device is effectively protected, a heat insulation pad on the inner wall of the device can remarkably reduce interference of external temperature, a stable low-temperature environment in the device can be maintained, and the cryopreservation effect of exosomes is guaranteed.

The invention discloses an inverter power supply fault joint protection circuit. A plurality of MOS tubes (S1, S2, S3 and S4) form a full-bridge conversion circuit, a current sampling resistor (RS1) is connected in series between the MOS tubes S1 and S2, a current sampling resistor (RS2) is connected in series between the MOS tube S2 and an input negative electrode, a current sampling resistor (RS3) is connected in series between the MOS tube S3 and S4, and a current sampling resistor (RS4) is connected in series between the MOS tube S4 and an output negative electrode. According to the invention, in order to realize quick response, signal processing and triggering, analog circuit construction is adopted, and functions of overvoltage and overcurrent flexible setting, sound and light alarm, fault display and the like are realized through software.

This invention belongs to the technical field of aero-engine experimental equipment, and discloses a high-speed rotating test chamber protection system, including a canopy, an upper protective plate, a radial buffer layer, a radial containment layer, and a base plate. The radial containment layer is cylindrical, and the canopy, radial containment layer, and base plate form the test chamber. The upper protective plate is detachably connected to the canopy. The radial buffer layer is cylindrical and located below the upper protective plate, with its bottom contacting the base plate. The radial buffer layer is used for energy absorption, debris retention, and preserving the debris ejection path. This invention achieves the functions of energy absorption, debris retention, and preserving the debris ejection path by setting a radial buffer layer inside the test chamber, facilitating the replacement and removal of retained debris. When the radial buffer layer is penetrated by debris, the radial containment layer can further reduce the kinetic energy of the debris while resisting the radial ejection of high-speed debris, protecting the safety of test personnel. Furthermore, each protective cylinder can be directly replaced if damaged.

The utility model discloses an electrode boiler heating system relates to electrode boiler technical field, including crowbar piece one, the one side of crowbar piece one is provided with crowbar piece two and crowbar piece three, and crowbar piece two sets up on the upside of crowbar piece three, and the electrode type hot water boiler is contained in crowbar piece one, and the high pressure equipment is installed in crowbar piece two, and the low pressure equipment is contained in crowbar piece three. Through above-mentioned technical scheme, the electrode type hot water boiler is no longer the heating furnace of separate but a heating system, and the different crowding of setting can make the different equipment install in the different position and be convenient for management, and the electrode heating furnace main part is high -tension wire, and the high -voltage electric equipment is placed in the same place and will be more safe.

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for identifying labels for a data set without disclosing the data set to any individual computing system. A method can include receiving, by a first computing system in a multi-party computation (MPC) system, a query including a first share and a second share of a given user profile. The second share is encrypted with a key that prevents the first computing system from accessing the second share. The second share is transmitted to a second computing system in the MPC system. The first computing system and the second computing system generate a machine learning model and identify respective first and second labels. The first computing system receives the second label from the second computing system as a response. The first computing system responds to the query with a response including the first label and the second label.

The utility model discloses a discharging and conveying device for filter stick production, and relates to the technical field of conveying equipment. A support is connected to the mounting plate, a supporting frame is connected to the end, away from the mounting plate, of the support, and a discharging machine is connected to the end, away from the support, of the supporting frame. A filter stick body is machined in the discharging machine and is discharged through the discharging port, the double-circle guider ensures that the filter stick is kept in the correct direction in the conveying process, the rotating motor drives the rotating ring on the supporting frame to rotate, the air suction machine is connected to the side frame, the filter stick body is sucked to the rotating ring through the suction pipe, and the filter stick body is conveyed to the discharging machine. When the rotating ring rotates, the filter stick body adsorbed on the rotating ring rotates along with the rotating ring, collision between the filter sticks in the conveying process can be reduced, the damage risk is reduced, and the partition plates and the suction holes in the rotating ring are beneficial to stabilizing the positions of the filter sticks and preventing the filter sticks from inclining or moving in the conveying process.

The invention discloses a fire extinguishing bomb hanging mechanism for a heavy-load unmanned aerial vehicle, relates to the technical field of unmanned aerial vehicle application and fire fighting equipment, and aims to solve the problems that an existing fire extinguishing bomb hung on the unmanned aerial vehicle is poor in stability, single in throwing control, poor in adaptability and insufficient in safety. The system comprises a heavy-load unmanned aerial vehicle, a fire extinguishing bomb, a bomb loading cabin and an electric control system, the bomb loading cabin is mounted at the bottom of the heavy-load unmanned aerial vehicle, comprises bomb cabin upper and lower layer frames, a steering engine, a motor, a cabin door, a pin pulling rod and the like, and is used for fixing and delivering fire extinguishing bombs; the electric control system is electrically connected with each component, controls actions and interacts data; the mechanism is stable in mounting, accurate in bomb dropping, wide in adaptation, high in safety, capable of improving the fire extinguishing efficiency and reliability of the unmanned aerial vehicle and suitable for complex fire operation.

The application provides a detector rotating double-feedback limiting mechanism for an X-ray machine and belongs to the technical field of medical instruments. The structure is composed of a detector system, a double-feedback limiting mechanism and a U-arm system. The double-feedback limiting mechanism is composed of a push rod fixing seat, an electric push rod, a cam mechanism, a protractor, a limiting pin mechanism, a potential switch and a driving control board. The detector system can be driven to rotate by the driving control board and the electric push rod. The lower end pin of the limiting pin mechanism can mechanically control the rotating angle of the detector system. The upper end pin of the limiting pin mechanism can synchronously and electrically control the rotating movement of the detector system. The detector precision positioning and real-time feedback requirements are met, and the safety of the protection mechanism is ensured.

This invention discloses a low-level protection device for a turbine lubricating oil tank, comprising a vent pipe, an oil suction pipe, and an oil outlet pipe. The vent pipe and the oil suction pipe are connected by an intermediate pipe. The upper opening of the vent pipe is higher than the maximum shutdown level, and the lower opening of the oil suction pipe is lower than the low-low level. The oil outlet pipe connects to the intermediate pipe and the oil suction pipe at the junction via a horizontal pipe with a perforated plate, forming a low-suction oil path. The oil outlet pipe extends horizontally out of the tank side plate. A horizontal pipe is connected at the junction of the vent pipe and the intermediate pipe, and the other end of the horizontal pipe connects to the oil outlet pipe via a downcomer, forming a high-suction oil path. The horizontal pipe is parallel to the horizontal pipe with a perforated plate. The highest point of the inner wall of the horizontal pipe is flush with the low level. The lowest point of the perforation in the horizontal pipe with a perforated plate is flush with the low-low level. This invention has a simple structure and effectively avoids rapid leakage of lubricating oil from the oil suction interface of the lubricating oil tank side plate, thus protecting the lubricating oil tank from low levels.

This invention discloses a transformer partial discharge separation algorithm based on a self-supervised network, comprising the following steps: acquiring and storing partial discharge signals of the transformer; extracting discharge waveforms using an outlier detection method; constructing a self-contrast dataset and a negative example dataset for pulse data; extracting signal spectral features using a supervised contrastive network and training the network's spectral feature extraction capability; finally, classifying the features using an iterative self-organizing clustering algorithm; setting initialization information in the iterative self-organizing clustering algorithm, clustering the feature data obtained in step five, and after classification, determining the discharge type of data in each category using expert knowledge to obtain the discharge type result; this invention, by classifying and calculating discharge signals, can effectively calculate the discharge quantity and total discharge of different discharge faults, realizing the functions of transformer operating condition monitoring and fault early warning, and effectively protecting the safety of the transformer.

The invention relates to the technical field of cables, in particular to a self-repairing cable, which comprises a central cable and an auxiliary cable arranged around the central cable, and further comprises a self-repairing layer, the number of the protective layers is multiple, the multiple protective layers are divided into six groups, the six groups of protective layers are fixedly connected to the outer surface of the central cable, and the six protective layers on the same annular surface are attached to one another. When aging occurs between layers due to environment and materials, or external damage occurs and an outward pulling force occurs on the outer layer, the built-in grid layer is separated from the protective layer II, so that the elastic column pulls the hemispherical part I out of the spherical groove, and due to the limitation of the reinforcing fixing sleeve, the internal repairing liquid can seep out of the hemispherical part II, so that the repairing effect is improved. And after flowing through a space with a relatively large gap, the damaged part is repaired.

The utility model provides an auxiliary automatic feeding structure, which relates to the field of machining, and comprises a mounting seat used for being mounted on a sliding table, a feeding seat is mounted on one side of the mounting seat through at least one guide shaft, a return spring is sleeved on the guide shaft, a feeding through hole is arranged in the feeding seat, the feeding through hole is communicated with a pressing through hole, and the pressing through hole is communicated with the sliding table. The pressing through hole is matched with a pressing rod used for positioning a workpiece in the feeding channel, and the pressing rod is connected with a lifting driver. Compared with the prior art, according to the auxiliary automatic feeding structure, after a workpiece is conveyed to the feeding through hole, the lifting driver drives the pressing rod to descend, the pressing rod is pressed on the workpiece till the workpiece moves to the clamping head attached to the machine tool, after the workpiece is clamped by the clamping head, the lifting driver drives the pressing rod to ascend, the workpiece is loosened, and the workpiece is automatically fed. In this way, the workpiece can be conveniently moved to the clamping position, feeding is assisted, the workpiece is prevented from sliding, potential safety hazards are avoided, and the safety of workers is protected.