Starting method and device of substrate management controller and medium

The invention discloses a starting method and device of a substrate management controller and a medium, and is applied to the technical field of storage. According to the method, the current address access mode state of the flash of the substrate management controller is obtained when the substrate management controller is started; and then comparing the two states, and if the current address access mode state of the flash is the default address access mode state, not processing. However, if the current address access mode state of the flash is not the default address access mode state, the flash of the substrate management controller needs to be adjusted from the current address access mode state to the default address access mode state. According to the method and the device, the condition that the flash is rewritten due to a flash read-write address mode can be effectively avoided. By modifying the uboot drive, the read-write address mode of the flash is initialized during starting, ...

Indwelling nutrient canal convenient to adjust and position

The invention relates to the technical field of medical instruments, in particular to an indwelling nutrition tube convenient to adjust and position, which comprises a tube body, a mounting ring is connected to the bottom end of the inner wall of the tube body, a soft leather tube is connected to the bottom of the mounting ring, and a supporting ring is connected to the bottom end of the inner wall of the mounting ring. According to the device, medical staff can clearly know the situation in intestines and stomach, so that the placement accuracy of an indwelling nutrient canal is improved, meanwhile, the position of the indwelling nutrient canal is conveniently adjusted and positioned, and the square column shaft can move back and forth on the outer wall of the rotating threaded shaft by setting the connection mode between the threaded shaft and the square column shaft; the arc-shaped clamping block at the bottom of the square column shaft moves along with the square column shaft, so that ...

Wireless charging system with multi-load frequency adaptability

Disclosed is a wireless charging system with multi-load frequency adaptability. A primary electric energy transmitting device comprises a rectifying and filtering circuit, a DC/DC conversion circuit, a drive and control circuit, an inverse circuit, a transmitting coil, an information receiving and processing circuit, a resonance compensation capacitor array and a resonance compensation inductor array. A secondary electric equipment device comprises a receiving coil, a resonance compensation circuit, a high-frequency rectifying and filtering circuit, a drive and control circuit, an information management and feedback circuit, a DC/DC conversion circuit and a battery. The information receiving and processing circuit of the primary electric energy transmitting device receives feature information fed back by the information management and feedback circuit of the secondary electric equipment device by means of wireless bluetooth communication, electric energy output frequency of the inverse ...

Online diagnosis method for linear control system network

The invention relates to an online diagnosis method for a linear control system network. The method comprises the steps that first, a model including two adaptive neural fuzzy inference systems is established, linear control system network state parameters obtained in a fault environment are used as sample data input, a mixed learning algorithm is used for conducting offline training on the two adaptive neural fuzzy inference systems, fuzzy control rules are extracted respectively, then the fuzzy control rules are converted into a loop-up table, a network health degree calculation function and a network fault reason judging function are generated and are added into a controller node of a linear control system, an linear control system online diagnosis algorithm based on the adaptive neural fuzzy inference systems is formed, and online diagnosis is conducted on the network health degree and the fault reason of the linear control system.

Cleaning device convenient for cleaning automobile chassis

The utility model discloses a cleaning device convenient for cleaning an automobile chassis, which relates to the technical field of automobile cleaning and particularly comprises an automobile cleaning table, a cavity is formed in the upper surface of the automobile cleaning table, a groove is formed above the automobile cleaning table, and a first motor and a support plate are fixedly mounted at the bottom of the cavity. An output shaft of the first motor is fixedly connected with a lead screw, one end of the lead screw is rotatably connected with a supporting plate through a bearing, the outer surface of the lead screw is connected with a sliding block through threads, the upper surface of the sliding block is fixedly connected with a hydraulic rod, and the upper end of the hydraulic rod is fixedly connected with a lifting platform. A supporting frame is fixedly connected to the upper portion of the lifting platform. According to the cleaning device convenient to clean the automobile ...

Lower cylinder cover and rolling rotor compressor comprising same

The invention provides a lower cylinder cover and a rolling rotor type compressor comprising the same. The surface, facing the air cylinder side, of the lower cylinder cover is provided with a first oil conveying hole and at least one oil guide groove. And the oil guide groove is communicated with the first oil conveying hole. The lower cylinder cover is provided with at least one oil guide groove communicated with the oil conveying hole, when the compressor operates, the oil guide groove can store certain refrigerating machine oil brought out due to inertia when the crankshaft piston operates, and the stored refrigerating machine oil can improve the lubrication degree of the lower end face of the piston and the surface, making contact with the piston, of the lower cylinder cover during operation; and poor lubrication or dry friction is avoided, so that the operation stability of the compressor is improved, and the overall performance of the compressor is improved.

Method, system and equipment for performing out-of-band management on network card and storage medium

The invention provides a method, a system and equipment for performing out-of-band management on a network card and a storage medium. The method comprises the following steps: determining a mapping relation between a smbus link and a PCIe slot position of the network card according to wiring of an I2C switch device on a mainboard and a riser card; pCIe equipment information sent by the BIOS is received and analyzed to determine an actual network card PCIe slot position, and an actual smbus link is determined according to the mapping relation; and performing out-of-band management on the network card according to the actual smbus link. According to the method, the network card is managed in a physical mapping mode, only the I2C link channel of the PCIe slot where the known network card is located is accessed, the access mode of codes to the interface card can be effectively improved, access to invalid I2C channels is reduced, the polling time of the interface card is shortened, the access ...

Device for intelligently reminding vehicle to close window

The utility model discloses a device for intelligently reminding a user of closing a car window, relates to the technical field of intelligent reminding of closing the car window, and particularly relates to a device for intelligently reminding of closing the car window, which comprises a car door frame, and a sliding rail is fixedly mounted on the inner bottom wall of the car door frame. According to the device for intelligently reminding the get-off window closing, through the arrangement of the voice prompter, the device for intelligently reminding the get-off window closing has the effect of reminding a driver of locking a vehicle door, and through the cooperative arrangement of the vehicle door lock, the pressure sensor, the pressure switch, the servo motor and the voice prompter, when the vehicle door lock is opened, the driver can be reminded of locking the vehicle door; the pressure sensor can send signals to the pressure switch, the pressure switch controls the servo motor through ...

Automatic type bleeder compression garbage bin

The utility model discloses an automatic type bleeder compression garbage bin, including outer bucket and interior bucket, the bung is installed to outer bucket top, is equipped with infrared ray sensor and switch cover on the bung, be equipped with first motor on the lateral wall of bung, the switching can be accomplished through first motor to the switch cover, including the bung hole department of bucket be equipped with the automatic packaging mechanism that can encapsulate the disposal bag including, barrel head portion be equipped with pressure sensor, outer barrel head portion is equipped with the aspiration pump, bleeds the disposal bag and be linked together in through -hole and the vacuum in the interior bucket that exhaust tube that the aspiration pump stretches out was reserved on through interior bucket wall. When the people is close to the dustbin, through the infrared sensor in the automatic device of uncapping, realized automatic switch bung through control section, rubbish ...

Low-harmonic dimming method of wall-controlled LED lamp

A low-harmonic dimming method of a wall-controlled LED lamp is realized by a device which is composed of a wall-controlled switch unit and an LED lamp adjustment driving unit. When brightness changes, the wall-controlled switch unit transmits a brightness control signal which is controlled by phase shift triggering and is composed of a guiding waveform and a data waveform to the LED lamp adjustment driving unit. In the data waveform, the brightness grade is represented by the number of continuous single-phase sinusoidal half-waves with specific phase shift angles. The LED lamp adjustment driving unit changes the brightness of the LED lamp according to the brightness data in the brightness control signal. When the LED lamp is lightened and no brightness control signal is transmitted, the voltage waveform on the single live wire is a continuous and complete single-phase sinusoidal wave. According to the LED lamp dimming method, no remote controller is required; single laying of a control ...

Stand and use rack skeleton, rack of this stand for rack

The utility model relates to a stand and use rack skeleton, rack of this stand for rack, this stand include the stand body that extends along upper and lower direction, the stand body is including having the U type groove of the first side wall, diapire and second lateral wall, and U type inslot portion forms the link that supplies tee junction spare and holds the chamber from the opening part location male in stand tip or U type groove, and the one end that the diapire was kept away from to the first side wall is turned up and is had the first edge of turning over, first turning over has the plane of placing that is used for placing the sealing strip along the one side that is close to the diapire, first turn over to be connected with along the one end of keeping away from the first side wall be used for the connecting plate is connected with cabinet side board, the diapire was kept away from to the second lateral wall one end turn up have be used for with the preceding cabinet door of ...

Detachable electric toy robot

The utility model discloses a detachable electric toy robot which comprises a head, a body, a left arm, a right arm, a left leg and a right, wherein the left arm and the right arm are symmetrical, and the left leg and the right leg are symmetrical. The detachable electric toy robot is characterized in that the body comprises a left body shell, and a right body shell; a transmission mechanism is arranged in the body and is upwards connected with the head by virtue of a bevel gear and is respectively downwards connected with a left core wheel at the outer side of the lower part of the left body and a right core wheel at the outer side of the lower part of the right body by virtue of a horizontal limb output shaft; the left core wheel is connected with the left leg by virtue of the lower end of a left connecting rod; the right core wheel is connected with the right leg by virtue of the lower end of a right connecting rod; the upper end of the left connecting rod is connected with the left ...

Radar-based target detection method and device

The invention discloses a radar-based target detection method and device. First, a first point cloud collected by a radar in a first detection mode and a second point cloud collected by the radar in a second detection mode are obtained. Secondly, for each point cloud point, according to observation stability information generated when the detection model to which the point cloud point belongs obtains the point cloud point, determining an initial confidence coefficient corresponding to the point cloud point; and then, according to a neighborhood matching result of the point cloud point in another point cloud except the point cloud to which the point cloud point belongs, the initial confidence corresponding to the point cloud point is adjusted, and the adjusted confidence corresponding to the point cloud point is obtained. And finally, according to the adjusted confidence corresponding to each point cloud point included in the first point cloud and the second point cloud, determining a target ...

Crankshaft and rotor compressor comprising same

The invention provides a crankshaft and a rotor type compressor comprising the crankshaft, the crankshaft is suitable for the rotor type compressor, and the crankshaft comprises a long shaft part and an eccentric part; a non-penetrating first oil conveying hole is formed in the crankshaft, and the first oil conveying hole extends to the long shaft part from the end face, away from the motor, of the eccentric part; the first axis of the first oil conveying hole does not coincide with the central axis of the long shaft part. According to the crankshaft suitable for the rotor type compressor, the oil conveying hole and the axis of the long shaft part do not coincide, that is, the oil conveying hole and the axis of the long shaft part are arranged in an offset mode, so that a rotary vane does not need to be arranged in the oil conveying hole of the crankshaft, the oil pumping effect can be achieved through the combined design of the oil conveying hole of the crankshaft and the oil conveying ...

Novel large-caliber optical aspheric curved surface processing grinder structure

The invention discloses a novel large-caliber optical aspheric curved surface processing grinder structure, and belongs to the field of advanced manufacture. The invention relates to a large-caliber optical aspheric curved surface processing grinder in ultra precision machining technology and equipment of national '863' plans. Along with the swift development of national aerospace industry, the demand of optical lenses is increased. The processing of small-caliber plane mirrors cannot meet the requirement of development any more, and the demand of large-caliber optical aspheric curved surface mirrors is extremely urgent. Based on the reasons, a grinder for processing high-precision optical aspheric curved surfaces is designed under the support of the national '863' plans. The grinder has the remarkable characteristics that: the integral structure of the machine tool is reasonably designed, so that the total weight of the Y axis and the Z axis of the machine tool are greatly lightened, the ...

Energy storage cabin air duct system and energy storage cabin with air duct system

The invention relates to the field of electrical energy storage cabins, in particular to an energy storage cabin air duct system and an energy storage cabin with the air duct system. The energy storage cabin air duct system comprises a main air duct and two or more branch air ducts. The main air duct is provided with an air inlet and an air outlet communicated with the branch air ducts. The branch air ducts are divided into far-end branch air ducts and near-end branch air ducts from far to near according to the distance between the branch air ducts and the air inlet of the main air duct, the number of the far-end branch air ducts is at least one, and the cross sections of the far-end branch air ducts are gradually reduced from the end close to the main air duct to the other end. Due to the fact that the branch air ducts of the energy storage cabin air duct system are divided into the far-end branch air ducts and the near-end branch air ducts from far to near according to the distance between ...

Raster map updating method and device

The invention discloses a grid map updating method and device, relates to the field of unmanned driving, and can determine the number of times that a sensor can observe in the process that unmanned equipment passes through a geographic area corresponding to a cell in a grid map as the number of times of observation, and determine the current corresponding hit probability according to the number of times of observation. Wherein the observation frequency and the cumulative probability are in a negative correlation relationship, then determining a cell corresponding to the obstacle to be determined in the grid map as a target cell according to the sensor data, and accumulating the determined hit probabilities to obtain an occupation probability corresponding to the target cell so as to obtain an updated grid map, and obstacles are avoided through the updated grid map, so that noisy points generated in the grid map are reduced.

Ceiling fan lamp single-live line control method

The invention relates to a ceiling fan lamp single-live line control method. According to the ceiling fan lamp single-live line control method, a ceiling fan lamp wall control unit supplies power for a ceiling fan lamp driving unit through adopting a single-live line manner, and a ceiling fan and a lamp can be driven through the ceiling fan lamp driving unit; the ceiling fan lamp wall control unit transmits ceiling fan lamp control signals through controlling voltage on a single live line in the form of a single cyclic wave or cyclic waves of integral multiple; a plurality of complete single-phase sinusoidal cyclic waves and an absent single single-phase sinusoidal cyclic wave are repeatedly combined together so as to form ceiling fan lamp control signal waveform; and the ceiling fan lamp driving unit changes the speed of the ceiling fan and the on-off states of the lamp according to ceiling fan lamp operating states in the ceiling fan lamp control signals. The ceiling fan lamp single-live ...

Wireless power transmission system based on coupling coefficient active adjustment

The invention provides a wireless electric energy transmission system based on active adjustment of a coupling coefficient, and the system comprises two electromagnetic change modules which are correspondingly arranged, one electromagnetic change module is electrically connected with an input end power supply, and the other electromagnetic change module is electrically connected with load equipment; the electromagnetic change modules are correspondingly provided with feedback adjustment modules, and the feedback adjustment modules are used for adjusting equivalent electrical parameters of the two electromagnetic change modules and the coupling degree between the two electromagnetic change modules. The electromagnetic coupling mechanism has the beneficial effects that active adjustment of the coupling degree of the electromagnetic coupling mechanism is realized through the relative positions of the electromagnetic conversion coil and the electromagnetic shielding plate based on the influence ...

Z-axis part for high-precision aspheric surface machine tool

The invention discloses a Z-axis part for a high-precision aspheric surface machine tool, which belongs to the field of advanced manufacturing. The invention mainly relates a square box type closed hydrostatic guide rail structure and a closed hydrostatic guide rail differential fine adjustment structure. The square box type closed hydrostatic guide rail structure consists of a square box type guide rail seat 4, a square box type guide rail seat cover plate 11, a square ram guide rail 8 and hydrostatic blocks 7, 10, 12, 16, 17, 18 and 19; and the precision and rigidity of the closed hydrostatic guide rail are improved, and the processing precision of the guide rail mechanical structure. Through the closed hydrostatic guide rail differential fine adjustment structure of the hydrostatic guide rail of the Z-axis part, the difficult mounting and debugging problem of the hydrostatic guide rail is solved, the micrometer regulation of the thickness of a hydraulic oil film is realized, and the ...

High space utilizes preceding wiring rack of type

The utility model relates to a high space utilizes preceding wiring rack of type. High space utilizes preceding wiring rack of type includes the rack body, and the rack body includes rack frame, the preceding vertical frame that bears, and a preceding vertical front side of bearing is equipped with preceding bearing unit, and preceding bearing unit is including connecting in the preceding vertical carrier bar that bears a front side, connecting in the unit panel of carrier bar front end, the unit panel is vertical bearing between the frame to overhauing and the accommodating space of wiring usefulness before and, this internal left side of rack and/or right side are equipped with the reason line space adjacent with accommodating space, install vertical calorie of wire casing in the reason line space, operating personnel is overhauing and is working a telephone switchboard when operation, only need open the unit panel and can the limit carry out man -machine interface operation limit and ...

Automatic step up device and use device's electric power rack

The utility model relates to the technical field of electrical equipment, in particular to automatic step up device and use device's electric power rack. Voluntarily stepping up the device and including mount and clamp plate, the clamp plate passes through the movably connection of connection structure and on the mount, is equipped with the elastic sealing element who is used for clearance between sealed power module and the clamp plate between mount and the clamp plate, pushes down the plate voltage in the power module of electric power mechanism in elastic sealing element's effect. The utility model discloses can realize the self -holding function to the power module, elastic sealing element can seal clearance between power module and the clamp plate simultaneously, is convenient for from the heat dissipation of wind channel board, the radiating efficiency of the module of increasing power and the efficiency of complete machine system.

Insulator maintenance equipment control method and device, electronic equipment and medium

The embodiment of the invention discloses an insulator maintenance equipment control method and device, electronic equipment and a medium. A specific implementation mode of the method comprises the following steps: acquiring an image of a target insulator as an insulator image; generating a fuzzy angle according to the insulator image; generating a fuzzy length according to the insulator image and the fuzzy angle; determining a degradation function matrix according to the fuzzy length and the fuzzy angle; generating a restored image according to the insulator image, the degradation function matrix and a preset matrix; generating fault recognition result information according to the restored image and a pre-trained image fault recognition model; and according to the fault identification result information, associated insulator maintenance equipment is controlled to carry out fault maintenance operation. According to the embodiment, the accuracy of insulator fault identification and the accuracy ...

Map construction method and device

The invention discloses a map construction method and device, and the method comprises the steps: obtaining the two-dimensional point cloud data, collected by a two-dimensional radar, of each target point, determining the position relation between each target point and an unmanned plane according to the two-dimensional point cloud data of each target point, and obtaining the position relation between each target point and the unmanned plane; the method comprises the following steps: acquiring two-dimensional point cloud data of each target point, determining height information of each target point according to a position relationship between each target point and the unmanned aerial vehicle, a visual mapping of the unmanned aerial vehicle, a pose of the unmanned aerial vehicle and a beam width of the two-dimensional radar, and constructing a radar three-dimensional point cloud map according to the two-dimensional point cloud data of each target point and the height information of each target ...

Single-live line multi-LED lamp brightness remote control circuit

The invention relates to a single-live line multi-LED lamp brightness remote control circuit. The single-wire line multi-LED lamp brightness remote control circuit is composed of a wall control switch unit and a plurality of LED lamp adjusting and driving units and can independently control and adjust the brightness of a plurality of LED lamps. The wall control switch unit includes a single-live line power source module, a single-chip microcomputer control module, a phase shift driving module, a zero crossing detection module and a brightness setting module; and the LED lamp adjusting and driving unit includes a single-chip microcomputer adjusting module and an LED driving module. When the brightness of a certain LED lamp changes, the wall control switch transmits brightness control signals through controlling voltage waveform outputted by a single-live line output end, wherein the brightness control signals are composed of guide waveform, address waveform and data waveform, wherein the ...

Intelligent traffic control method and device

Mounting panel subassembly that control box and this control box adopted

The utility model relates to a mounting panel subassembly that control box and this control box adopted. This control box includes mounting panel subassembly and the box that has mounting panel installation side incline, is equipped with the mounting panel installation cavity in the box, the mounting panel subassembly includes the mounting panel and rotates connection structure. Rotation connection structure include with the fixed box connecting piece of box and with the fixed mounting panel connecting piece of mounting panel. The mounting panel of closed condition is in inside the mounting panel installation cavity, the mounting panel connecting piece with the mounting panel between form the concave part of stepping down that is used for avoiding mounting panel installation side incline when the mounting panel is opened. The utility model provides a mounting panel of control box is installed when the mounting panel installation cavity is inside, and the opening angle of mounting panel ...

Stand column for cabinet as well as cabinet framework and cabinet using stand columns

The invention relates to a stand column for a cabinet as well as a cabinet framework and the cabinet using the stand columns. The stand column comprises a stand column body extending vertically, wherein the stand column body comprises a U-shaped groove comprising a first side wall, a bottom wall and a second side wall, an accommodating cavity for a connecting end of a three-way connecting piece to be inserted from one stand column end or an opening of the U-shaped groove in a positioned manner is formed in the U-shaped groove, one end, far away from the bottom wall, of the first side wall is turned outwards to form a first turned edge, an accommodating plane for accommodating a sealing strip is arranged on one side, close to the bottom wall, of the first turned edge, one end, far away from the first side wall, of the first turned edge, is connected with a connecting plate connected with a side plate of the cabinet, and one end, far away from the bottom wall, of the second side wall is turned ...

Sealing strip and use battery box of this sealing strip

The utility model provides a sealing strip and use battery box of this sealing strip, sealing strip include the sealing strip body, and the sealing strip body has a horizontal seal section, are defined as the outer end towards external environment's one end during with the use of horizontal seal section, and going up of horizontal seal section is equipped with the capillary groove structure on side and/or the downside, the capillary groove structure by horizontal seal section with the edge that the corresponding side epirelief of horizontal seal section was equipped with the inside and outside sealing of the horizontal extending direction interval arrangement of horizontal seal section forms, inside seal portion is along deviating from the direction orientation of horizontal seal section the sealed shirt rim of elasticity that the slope of external seal portion is extended. Will get into the capillary groove structure when external seal portion is crossed to water in, these moisture can ...

Preceding wiring rack

The utility model relates to a preceding wiring rack. In the carrier roller device, it bears the frame and is in first bearing and bear the frame after at least one of rear to be equipped with the first layer in the front side in the preceding wiring cabinet, first bearing is equipped with the panel that is used for installing man -machine operation interface on the frame, the first layer bears the frame and frame between is equipped with wiring space rather than bearing after adjacent, after bear the frame and be used for installing the electrical installation, each layer bear the weight of the frame the rack this around internal position adjustable, wiring space's size just can be adjusted according to the actual demand like this. This kind of preceding wiring rack structure is more reasonable.

Design method of wireless power transmission device

A design method of a wireless power transmission device includes: step A, under the condition that a receiving device and a transmitting device are aligned completely, measuring intrinsic electric parameters of each coil of the wireless power transmission device and measuring mutual inductance of each two coils to record as a coupled matrix M0; step B, under the condition that the receiving device deflects to a maximum designed deflection value relative to the transmitting device, remeasuring the intrinsic electric parameters of each coil of the wireless power transmission device and remeasuring mutual inductance of each two coils to record as a coupled matrix M1; step C, under the condition that the receiving device and the transmitting device are aligned completely, setting up a nonlinear programming optimization model by taking a maximum efficiency and an assigned power as objective functions, and working out an optimal capacitance value Copt0 of a resonance compensation capacitor by ...

Device of a plurality of LED lamp of controllable rectification ripples remote regulating luminance

The utility model provides a device of a plurality of LED lamp of controllable rectification ripples remote regulating luminance comprises rectification the control unit, 4 LED lamp adjustting of the lighteness units. Rectification the control unit comprises transformer, control power module, controllable rectifier module, zero -cross detection module, single -chip computer control module, trigger control module, the preset module of luminance, inputs single -phase 220V alternating current power supply, and the output voltage virtual value is less than 220V's controllable rectified voltage, sends the power module 0 signal by guide ripples, address ripples, luminance wave component in controllable rectified voltage. LED lamp adjustting of the lighteness unit comprises regulation power module, wave form sampling module, singlechip adjusting module, address setting module, LED drive module, according to the luminance of the brilliance control signal control LED lamp among the controllable ...

Stereoscopic warehouse

The invention relates to a stereoscopic warehouse. The stereoscopic warehouse comprises a carrier and material frames on the left side of the carrier. The carrier comprises vertical guide rails and moving frames assembled on the vertical guide rails in a guide and moving mode; carrying frames are arranged on the moving frames, and corner lifting devices are arranged at the positions, corresponding to corners of corresponding metal plates, of the carrying frames; the corner lifting devices comprise device frames and corner lifting suction cups. Corner lifting swing arms which can swing up and down are arranged on the device frames through rotating connection structures; and each device frame is provided with a swing arm driving mechanism which drives the corresponding corner lifting swing arm to swing round the axis of the corresponding rotating connection structure; the corner lifting suction cups are arranged on the corner lifting swing arms. According to the stereoscopic warehouse, the ...

Target detection method and device, computer equipment and computer readable storage medium

The invention discloses a target detection method and device, computer equipment and a computer readable storage medium, and belongs to the technical field of aircrafts. The method comprises the following steps: acquiring an existing tracking result; determining a to-be-measured target according to the existing tracking result; based on the reference characteristics of the targets of the reference type, the targets belonging to the reference type are detected in the targets to be measured, the targets of the reference type are false targets detected according to reference false echoes, and the reference false echoes are echoes formed when the aircraft reflects electromagnetic waves emitted by the radar. According to the mode, by detecting the target belonging to the reference type, the target belonging to the reference type can be inhibited in time, so that more reliable flight guidance can be provided for flight of the aircraft based on the target belonging to the reference type, the aircraft ...

Crosstalk spectrum calculation method

The invention provides a crosstalk spectrum calculation method comprising the following steps that step A, an interference source and sensitive equipment in a crosstalk system are confirmed; step B, interference source spectrum, interference source equipment impedance, interference source load impedance, sensitive equipment impedance and sensitive equipment load impedance are measured; step C, short-circuit and open-circuit input impedance of crosstalk wiring harnesses under different frequencies is measured, and frequency-dependent self-parameters and mutual parameters of the crosstalk wiring harnesses are calculated; step D, a crosstalk frequency domain model between the wiring harnesses is established, and a crosstalk frequency domain expression is solved; and step E, crosstalk spectrum is obtained by utilizing the measured interference source spectrum, all equipment and load impedance thereof and the calculated crosstalk wiring harness frequency-dependent parameters through the crosstalk ...

Unmanned aerial vehicle control method, device and equipment and readable storage medium

The invention discloses an unmanned aerial vehicle control method, device and equipment and a readable storage medium, and belongs to the technical field of data processing. The method comprises the following steps: acquiring a plurality of first point cloud data observed by a first radar and a plurality of second point cloud data observed by a second radar; associating the plurality of first point cloud data with the plurality of second point cloud data to obtain a point cloud data pair, the point cloud data pair comprising at least one first point cloud data and at least one second point cloud data; and performing flight control on the unmanned aerial vehicle in the radar observation area based on the point cloud data pair. The point cloud data is obtained by the radar, is not influenced by weather factors such as rain, snow and illumination, and is high in data accuracy, so that when the unmanned aerial vehicle is controlled to fly based on the point cloud data, the control precision ...

Intelligent information interaction terminal and communication method thereof

The invention provides an intelligent information interaction terminal and a communication method thereof. The terminal comprises a case and a circuit board arranged in the case, an indication lamp through hole is formed in a front surface board of the case, heat dissipation holes are formed in side surface boards of the case, a back surface board of the case is provided with a power socket, a pulse per second output interface, on-off input interfaces, a relay control output interface and various communication interfaces, and the front ends of the two side surface boards are respectively provided with a detachable hanger. The communication method comprises the following steps that according to communication protocols of measurement and control terminal equipment and a main dispatching station, corresponding communication protocols are selected from a communication protocol library; a main station communication port is configured with communication protocols and is in communication with ...

Combined monitoring table

The utility model relates to a supervisory equipment field has especially involved a combined monitoring table. This combined monitoring table includes the cabinet body and fixes the mesa at cabinet body top, and the cabinet body is including profile section frame and curb plate, the cabinet door of assembly on profile section frame, the last mounting structure who is used for installing electrical equipment that is equipped with of metal crate, the mesa is wooden mesa. The utility model discloses a combined monitoring table compares with prior art, its cabinet body adopts metal crate and curb plate, the door plant is made, the mesa adopts wooden material to make, the structural style that the cabinet body group wholly having used wooden mesa and taken metal crate closed, it is not only light, it is nimble, and can the proof strength, and simultaneously, because what the cabinet body adopted is that profile section frame adds the curb plate, the structure of cabinet door, what the mesa ...

Hinge base and machine cabinet door with same

The invention relates to a hinge base and a machine cabinet door with the same. The machine cabinet door comprises a stand column, the hinge base is arranged on the stand column and provided with a connecting portion connected with the stand column, the connecting portion is provided with a bolt connecting hole and further provided with an anti-deflection structure which prevents the hinge base from swinging around the axis of the bolt connecting hole, and an anti-swing matching structure corresponding to the anti-deflection structure is arranged on the stand column. According to the cabinet door, the hinge base can be limited in multiple directions, the hinge base can be prevented from swinging around the axis of the bolt connecting hole, the installation precision of the hinge base is improved, the hinge base can be prevented from being loosened, and installation is firm.

T-shaped hydrostatic guide rail for precision finishing machine tool

The invention discloses a T-shaped hydrostatic guide rail for a precision finishing machine tool, which belongs to the field of advanced manufacturing and is a structural improvement on the traditional hydrostatic guide rail. In respect of materials, the machine tool body is made of granite, and a slide carriage is made of cast iron; in respect of the structural form, a specific T-shaped guide rail form is adopted, i.e. the machine tool body is provided with a T-shaped guide rail groove matched with a moving guide rail; in respect of hydrostatic control, a flow controller group conveys lubricating oil to each static pressure cavity on the guide rail; static pressure blocks are mounted in the horizontal direction and vertical direction respectively; and the adjustment of the oil film thickness between guide rails is realized by adjusting the static pressure blocks. The hydrostatic guide rail adopting the T-shaped structure has high rigidity, high guide ratio and high precision.

Foliar fertilizer spraying equipment

The invention provides foliar fertilizer spraying equipment which comprises a bottom plate, a tank body is arranged on the bottom plate, a filling port is formed in the top of the tank body, a discharging port is formed in the bottom of the tank body, a liquid pumping assembly is arranged on the tank body, and the liquid pumping assembly comprises a first transmission assembly, a filtering assembly and a pump body which are arranged in a linkage mode; a turbofan linked with the first transmission assembly is further arranged on the tank body; spraying mechanisms associated with the liquid pumping assembly and the turbofan are arranged on the portions, located on the left side and the right side of the tank body, of the bottom plate. The spraying mechanism comprises a sliding seat fixedly arranged on the bottom plate, a sliding groove is formed in the sliding seat, a supporting seat is arranged on the sliding groove in a sliding mode, an electric push rod aiming at the supporting seat is ...

Rotary table structure for precision finishing machine

The invention relates to a rotary table structure for a precision finishing machine, belonging to the field of advanced manufacturing. The rotary table structure for the precision finishing machine is an improvement on a rotary table structure of the traditional finishing machine. In the invention, on the structural design of a rotary table an idea of modularization design is applied, and an integral rotary table part is arranged on a slide carriage through a rotary table base; on a driving control manner of the rotary table, a moment motor is adopted for direct driving, a transmission chain is shortened, and the high-accuracy angular displacement feedback is realized by adopting a high-accuracy encoder; and on a guide rail form of the rotary table, a liquid hydrostatic guide rail form is adopted by matching with upper and lower hydrostatic discs and a large-caliber center shaft of the rotary table. The rotary table for the precision finishing machine has the advantages of convenience, ...

Ceiling fan lamp single-live line control circuit

The invention relates to a ceiling fan lamp single-live line control circuit. According to the ceiling fan lamp single-live line control circuit, a ceiling fan lamp wall control unit supplies power for a ceiling fan lamp driving unit through adopting a single-live line manner, and a ceiling fan and a lamp can be driven through the ceiling fan lamp driving unit. The ceiling fan lamp wall control unit is composed of a single-live line power source module, a zero crossing trigger driving module, a single-chip microcomputer control module and a ceiling fan and lamp control setting module; the ceiling fan lamp driving unit is composed of a control signal receiving module, a ceiling fan driving module and a lamp driving module; the ceiling fan lamp wall control unit transmits ceiling fan lamp control signals through controlling voltage on a single live line in the form of a single cyclic wave or cyclic waves of integral multiple; and the ceiling fan lamp driving unit changes the speed of the ...

Box hoist and mount fixed structure spare

The utility model relates to a box fixed structure spare field, special design box hoist and mount fixed structure spare for the scarce flexibility of box hoist and mount fixed structure spare among the solution prior art, the problem that application scope is narrow, the installation effectiveness is low. This box hoist and mount fixed structure spare includes the fixed plate and in each at least one mount hole that sets up of fixed plate both ends, the one end of fixed plate have be used for with the fixed box connecting portion of box, the other end has installation face connecting portion that are used for and install the face to fix, it kills the limit structural formula to be provided with between box connecting portion and the installation face connecting portion, a spacing arch for being directed at the box is spacing, can restrict relative rotational sliding between fixed structure spare and the box, conveniently rectify the plane degree of box, enhances installation efficiency ...

Inclined beam structure for high-precision aspheric surface machining machine tool

The invention relates to an inclined beam structure for a high-precision aspheric surface machining machine tool, and belongs to the field of advanced manufacturing. The inclined beam structure mainly comprises a 45-degree inclined beam structure, an adjustable closed liquid hydrostatic guide rail and a dual-flat linear motor opposite installation structure, wherein the 45-degree inclined beam structure 1 improves the stressed condition of a beam, and reduces the two-dimensional deflexion deformation of the beam; the thickness of an oil membrane of the closed liquid hydrostatic guide rail can be regulated by regulating a right adjusting hydrostatic block 19, and the assembly efficiency is high; primary flat linear motors 9 and 12 are vertically arranged on a T-shaped linear motor installation base 11 and a primary installation transition plate 10 respectively, so that deformation caused by the suction of the motors is reduced effectively, and the high precision and high dynamical property ...

Method for controlling ceiling fan and lamp through single live wire

The invention provides a method for controlling a ceiling fan and a lamp through a single live wire. A ceiling-fan-and-lamp wall controlling unit supplies electric power to a ceiling-fan-and-lamp driving unit in a single live wire manner. The ceiling-fan-and-lamp driving unit drives the ceiling fan and the lamp. When operation state change of the ceiling-fan-and-lamp is required, a wall controlling switch unit transmits a ceiling-fan-and-lamp control signal which is controlled by phase shifting triggering and is composed of a guiding waveform and a data waveform to the ceiling-fan-and-lamp driving unit, and the ceiling-fan-and-lamp driving unit changes the state of the ceiling-fan-and-lamp according to three-bit binary system control data in the ceiling-fan-and-lamp control signal. When the ceiling fan and the lamp are in a normal operation state and the ceiling-fan-and-lamp control signal is not transmitted, the voltage waveform on the single live wire is a continuous and complete single-phase ...

Bicylindrical porous aerostatic motorized main shaft

The invention belongs to the field of advanced manufacturing and is an improvement on the structure of the traditional aerostatic motorized main shaft. As one of the key members of a machine tool, a shafting of main shafts is mainly divided into a bearing main shaft, a hydraulic static main shaft and an aerostatic main shaft; with the further development of a static pressure technology, the hydrostatic static main shaft and the aerostatic main shaft have obvious advantages on aspects of high rotational speed, large rigidity and long service life, and the aerostatic motorized main shaft is also different from the hydraulic static main shaft and is suitable for machining non-ferrous metals, rigid plastics and the like; the common aerostatic main shaft is more common in a single cylinder shape and in a spherical structure shape; the application of bicylindrical structure can further improve the rigidity of the aerostatic main shaft and the rotation precision; and a porous material adopts graphite ...

Self-pickup type dynamic wireless charging system

The invention provides a self-pickup type dynamic wireless charging system, and the system comprises a transmitting coil which converts high-frequency alternating current into alternating electromagnetic field energy and transmits the alternating electromagnetic field energy; the receiving coil receives the alternating electromagnetic field energy and converts the alternating electromagnetic field energy into high-frequency alternating current; when the transmitting coil and the receiving coil are located at opposite positions, equivalent self-inductance parameters of the transmitting coil meet electrical parameters required by ideal resonance of the resonance topology, and the transmitting coil and the transmitting compensation circuit are in a resonance state. The method has the beneficial effects that accurate and rapid identification and automatic tracking of the position of the load end can be realized without an additional device, and the investment cost is reduced; a switch and a ...

Energy storage cabin ducting system and energy storage cabin of using this ducting system

The utility model relates to an electric energy energy storage cabin field especially relates to an energy storage cabin ducting system and energy storage cabin of using this ducting system. Energy storage cabin ducting system includes the main air duct and divides the branch air duct, the main air duct have the air intake and with minute air outlet of branch air duct intercommunication, divide the branch air duct according to the distance with the main air duct air intake from far dividing branch air duct and near -end to divide the branch air duct to closely being divided into the distal end, the distal end divides the branch air duct to have at least one, one end to the other end that the distal end divides the cross section of branch air duct to follow near the main air duct diminishes gradually. Because the utility model discloses an energy storage cabin ducting system's branch branch air duct is according to the distance with the main air duct air intake from far dividing branch air ...

File management method and device, equipment and storage medium

The invention discloses a file management method and device, equipment and a storage medium, and relates to the technical field of storage management. The method comprises the following steps: adjusting a reserved space of the flash log type file system according to the size of a maximum file stored and managed by the flash log type file system; the method comprises the following steps: recording the erasure times of target erasure block linked lists in a flash memory log type file system in the process of storing and managing files in the flash memory log type file system, and determining a target erasure probability of each target erasure block linked list based on the erasure times corresponding to each target erasure block linked list; and after the residual space of the flash log type file system reaches the reserved space, performing erasure block recovery according to the target erasure probability. A write-in space is reserved in advance by enlarging a reserved space according to ...

Wall-controlled dimming method for LED lamp

A wall-controlled dimming method for an LED lamp is dimmed by an LED lamp single-live-wire dimming circuit which is composed of a brightness wall controlling unit and a brightness adjustment driving unit. When brightness adjustment is required, the brightness wall controlling unit controls and changes the phase-shift angle of a single-live-wire output voltage waveform for transmitting a brightness control signal. In the brightness control signal, a brightness grade is represented by the number of continuous single-phase sinusoidal half-waves with specific phase shift angles. The brightness adjustment driving unit changes the brightness of the LED lamp according to the brightness grade in the brightness control signal. When the brightness wall controlling unit transmits the brightness control signal, the number of the half-waves which are continuously output from the single-live-wire output end and have the same phase shift angle is the brightness grade of the brightness control signal.

Buffer type self-moving belt conveyor tail and self-moving method

A buffering type self-moving belt conveyor tail comprises a tail rack and further comprises a plurality of lifting devices and a plurality of driving devices, the lifting devices are fixedly arranged on the tail rack and used for driving the tail rack to ascend or descend, the driving devices are divided into two sets, the two sets of driving devices are arranged on the two sides of the tail rack respectively, and the driving devices are arranged on the tail rack. The driving device is detachably connected with the machine tail rack and used for driving the machine tail rack to move after the machine tail rack ascends. According to the buffer type self-moving belt conveyor tail and the self-moving method, continuous moving can be achieved, the consumed time is short, and the self-moving efficiency is higher.

Electric vehicle wireless charging guidance system

The invention provides an electric vehicle wireless charging guidance system which comprises an electric vehicle wireless charging service platform and an intelligent guide terminal. The electric vehicle wireless charging service platform is a network-based information management platform to manage an electric vehicle wireless charging system and provide service to a user. The intelligent guide terminal is an exchange interface between the user and the electric vehicle wireless charging service platform and provides service to the user. According to the intelligent guide terminal, an embedded processor is used as a core, the remote information exchange with the electric vehicle wireless charging service platform is realized through an upstream communication module, and the data exchange with a vehicle-borne end wireless charging controller is realized through a downstream communication module. Various operations such as vehicle parking to a place, the check of the real-time information ...

Unmanned aerial vehicle control system and method and unmanned aerial vehicle

The invention discloses an unmanned aerial vehicle control system and method and an unmanned aerial vehicle, and the embodiment of the invention obtains the position information of each target point through a radar on the unmanned aerial vehicle, and controls the unmanned aerial vehicle according to the position information of each target point. According to the method, the radar is installed below the unmanned aerial vehicle, and the course axis of the unmanned aerial vehicle is perpendicular to the polarization direction of the radar antenna, so that the polarization direction of the radar antenna can be parallel to any direction in the rotation process of the unmanned aerial vehicle, and the radar can accurately detect any target object. When the unmanned aerial vehicle is controlled according to the position of each target object, a safe area can be accurately determined, so that the landing safety of the unmanned aerial vehicle is improved.

Cabin roof splicing structure of prefabricated cabin and combined prefabricated cabin using same

The invention relates to a combined prefabricated cabin and a cabin roof splicing structure of the prefabricated cabin. The cabin roof splicing structure of the prefabricated cabin comprises a left cabin roof and a right cabin roof which are joint in a butted mode, I-steel bearing beams extending in the length direction of a cabin body are arranged at the butt joint positions of two cabin roof frameworks, upper wing plates and lower wing plates of the two bearing beams are respectively joint in a butted mode, webs of the two bearing beams are connected and fixed together through fastening bolts arranged in the length direction of the webs at intervals, and a supporting piece with the thickness matched with the distance between the two webs is fixedly arranged between the webs of the two bearing beams. Because I-steel is adopted as the bearing beams at the butt joint positions of the two cabin roofs and the bearing beams are fixedly connected together through the fastening bolts mounted ...

Automatic bicycle speed changing device

The invention discloses an automatic bicycle speed changing device. The automatic bicycle speed changing device comprises a centrifugal mechanism, a transmission mechanism and a speed changing mechanism, wherein the centrifugal mechanism comprises a plurality of centrifugal blocks which are arranged in spokes of a bicycle rear wheel; the transmission mechanism comprises a rotary hydraulic cylinder and a stationary hydraulic cylinder, a plurality of oil pipes are uniformly distributed in the circumferential direction of the rotary hydraulic cylinder, one end of each oil pipe is communicated with the rotary hydraulic cylinder, and the other end of each oil pipe is connected with the centrifugal block; the transmission mechanism comprises a telescopic hydraulic cylinder, the telescopic hydraulic cylinder is connected with the stationary hydraulic cylinder, a telescopic rod of the telescopic hydraulic cylinder is fixedly provided with a slide block which can slide on a guide rail, and a speed ...

Control method for improving deviation tolerance of wireless charging system

The invention provides a control method for improving the deviation tolerance of a wireless charging system. The method comprises the following steps of A, building a model of a wireless charging system; B, measuring the model parameter of the wireless charging system under the wireless energy transmission coil alignment and deviation condition; C, obtaining a system efficiency expression of the wireless charging system model; D, using the system efficiency expression for solving the optimum control frequency under the wireless energy transmission coil deviation condition; E, fitting the obtained optimum control frequency under different deviation conditions to obtain a frequency control curve; F, applying the frequency control curve into a system controller through programming, and controlling the wireless charging system.