59results about How to "Simplify the installation and commissioning process" patented technology

The invention provides an unmanned airplane avionics system based on an intelligent mobile phone. A user operates a ground station through external equipment, an operation command is forwarded to the airplane-mounted mobile phone by the ground station through a network server, and a signal is sent to a single-chip computer by the airplane-mounted intelligent mobile phone; after receiving the command, the single-chip computer sends the signal to a steering engine of an assigned channel or an electronic speed controller so as to change the power and the flying gesture of an airplane, and meanwhile data are forwarded to the ground station by the intelligent mobile phone through the network server so as to ensure that the user can monitor the real-time state of the airplane through the ground station. The unmanned airplane avionics system based on the intelligent mobile phone achieves the purposes that remote control and monitoring can be conducted on the unmanned airplane by the user and can be normally used in regions with commercial wireless communication signal coverage, mobile phone software can be updated through plugin downloading or SDK development and the like to extend functions, and the unmanned airplane avionics system based on the intelligent mobile phone simplifies preflight installment and debugging processes and greatly reduces equipment purchasing cost.

A reciprocating double moving cutter cutting test device comprises a cutting mechanism, a stalk feeding mechanism and a monitoring operation mechanism. Input power of a motor drives, through a connecting rod, an upper cutter rod and a lower cutter rod to move parallelly in different directions so that an upper blade and a lower blade which are adjacent move, are staggered and overlapped, and cut crops. A torsion rotating speed sensor is arranged on a power input shaft. A pull force sensor is arranged between the upper cutter rod and the lower cutter rod and a left rocker arm and a right rocker arm. A rotating speed sensor is arranged beside a transmission wheel. The torsion rotating speed sensor, the pull force sensor and the rotating speed sensor are used for inducting and recoding parameters in cutting processes. A best parameter combination is calculated through a computer. According to the reciprocating double moving cutter cutting test device, two layers of moving cutters simultaneously move in the different directions at the same speed, and inertia force of the upper cutter rod and the lower cutter rod is offset, so that a cutter is prevented from producing severe swings; and one connecting rod is used for transmitting power so that accuracy of motion of the upper blade and the lower blade is improved, and installation and debugging processes are reduced.

A phase sequence method of the automatic identification phase controlled rectifier and its phase controlled rectifier. It includes the current transformer, three-phase silicon controlled complete control commutating bridge, trigger controller and synchronizing signal producing circuit. It makes use of the trigger controller to judge the phase sequence. The phase controlled rectifier with this structure can produce two synchronous signals with the phase difference of 30 degree through its synchronizing signal producing circuit. Then the trigger controller judges them automatically and gives the correct sequence of the trigger pulse.

The invention discloses a low-noise micro plane fluxgate sensor based on main and auxiliary coil double incentive. The low-noise micro plane fluxgate sensor based on the main and auxiliary coil double incentive comprises a substrate, main incentive coils, auxiliary incentive coils, detecting coils, a magnetic core, electrodes and a polyimide film. Two ends of each of two long shafts of the magnetic core are symmetrically provided with two groups of the main incentive coils in a wound mode, wherein the two long shafts are arranged in parallel. The middle portions of the long shafts are symmetrically provided with three groups of the detecting coils and two groups of the auxiliary incentive coils in a wound mode. In the same long shaft, one group of the auxiliary incentive coils are arranged between each two groups of the detecting coils. The main incentive coils, the auxiliary incentive coils and the detecting coils are all arranged on the surface of the substrate. Two ends of each main incentive coil are connected with the electrodes. The low-noise micro plane fluxgate sensor based on the main and auxiliary coil double incentive solves the problems that a traditional fluxgate sensor is poor in manufacturing stability and repeatability, utilizes the main and auxiliary coil double incentive to improves the incentive efficiency of the micro fluxgate sensor, effectively lowers output signal noise and energy consumption, is capable of being manufactured together with an interface circuit in an integrated mode, and can be widely used in many novel fields.

The invention belongs to the technical field of power transmission and distribution and relates to a control method of a concentrated standby power automatic transfer system. In the method, annular connection power supply systems of three main transformers and six subsections of low pressure side buses are provided, and the system comprises three main transformers 1-3# and also comprises six sections of buses I-VI and nine breakers 1DL-9DL. A voltage detection signal of each bus is connected to a concentrated standby power automatic transfer device, and the concentrated automatic transfer device controls the standby power automatic transfer of all buses. The invention has convenient installation and debugging and low equipment cost. The number of the buses subjected to capacity increment is increased through adding plug-in units during system capacity increment, thereby enhancing the expansibility of the device and reducing the workload of installation and debugging; and the concentrated standby power automatic transfer device can be conveniently installed on a bus observe and control screen, thereby effectively reducing the usage amount of cables and simplifying the installation and debugging process.

The invention relates to a mine belt protective system along-line shutting query method. The mine belt protective system along-line shutting query method comprises a query host, a plurality of along-line shutting modules and a terminal module. The query method includes the steps that the query host sends a query signal, the along-line shutting modules and the terminal module process the query signal and replies the query signal, and the query host then processes the replied signal to achieve remote fault location, remote input and remote control. The mine belt protective system along-line shutting query method has the beneficial effects that remote fault location and along-line shutting can be achieved without address coding for along-line shutting, and replacement without influencing positioning positions can be achieved; and the structure is simple, operation is convenient, normal communication can be carried out by sequentially connecting equipment with cables, debugging and allocation are not needed, installation debugging and allocation are greatly simplified, the fault rate is reduced, and the working efficiency is improved.

A remote displacement measurement system based on a position sensor comprises a telescoping part and a signal processing part, an objective lens set and an eye lens set form an optical axis along the focal length of a lens, a first block prism, a second block prism, a laser transmitter and a PSD displacement sensor are further included, and the incident plane of the first block prism is perpendicular to that of the second block prism. The first transmission face and the second transmission face of the first block prism are coaxial with the incident plane and the fixed plane of the second block prism, and the incident plane of the second block prism is opposite to the second transmission face of the first block prism. The first transmission face and the second transmission face of the second block prism are coaxial with the optical axis, the first transmission face of the second block prism faces the objective lens set, the laser axis of the laser transmitter is coaxial with the incident plane of the first block prism, and the light receiving face of the PSD displacement sensor is opposite to the first transmission face of the first block prism. Measurement precision is greatly improved, and feedback signals are not prone to being influenced by environmental factors.

The invention discloses a fault traveling wave locating device for a power line, relating to the technical field of protection devices of power systems. The fault traveling wave locating device for the power line comprises a traveling wave ranging device, an oscillograph and a background computer, wherein the traveling wave ranging device and the oscillograph are connected with the background computer through an Ethernet, and the traveling wave ranging device and the oscillograph are communicated with a GPS (global positioning system). Due to the combination of the fault recording function and the traveling wave locating function, the locating device can locate the fault accurately; and the traveling wave ranging device and the oscillograph are integrated into one screen cabinet from the original two individual screen cabinets, so that the device size can be reduced, the area of a control room can be reduced, the installation and commissioning process can be simplified, a secondary loop cable can be wired simply, the wiring error probability and the workload can be reduced, the shared equipment can be saved in hardware, and the fabrication cost is low.

The invention provides an electrode type hot water boiler module. The electrode type hot water boiler module comprises an electrode boiler body, a circulating water pump, a heat exchanger and an electric three-way valve; the lower part of the electrode boiler body is connected to a sucking port of the circulating water pump; a water outlet of the circulating water pump is connected to a primary side inlet of the heat exchanger; a primary side outlet of the heat exchanger is connected to a water inlet of the electric three-way valve; one water outlet of the electric three-way valve is connectedto the upper part of the electrode boiler body; the other water outlet of the electric three-way valve is connected to a sucking port of the circulating water pump through a communicating pipe; and awater supply joint and a water return joint on an user side of the heat exchanger are connected with the user side. After a certain quantity of electrolyte solution is fed in the electrode boiler body, a system is closed. Under the condition of maintaining fixed flow of the circulating water pump, the power of the boiler is controlled through the electric three-way valve controlling the liquid level height at the upper part of the electrode boiler body according to heat needed by the user end of the heat exchanger.

The invention discloses a high-precision double-head labelling machine. The high-precision double-head labelling machine comprises a worktable, two labelling head assemblies, a first vision positioning assembly and two second vision positioning assemblies, wherein a supporting frame is arranged on the worktable; a first flat plate and a second flat plate which are vertically arranged in parallel are arranged on the supporting frame; transverse guide rails are respectively arranged on the two sides of the second flat plate. The two labelling head assemblies are movably arranged on the transverse guide rails and can slide reciprocally on the transverse guide rails. The first vision positioning assembly is used for positioning a labelled product and is movably arranged on the first flat plate. The two second vision positioning assemblies are respectively arranged on the two sides of the labelled product on the worktable and are used for detecting the appearance of a label to be labelled. The high-precision double-head labelling machine can meet the production requirements on high-precision and high-efficiency labelling production.

The invention discloses a permanent magnet plate type closed swash plate type axial plunger pump and a working method thereof. The permanent magnet plate type closed swash plate type axial plunger pump comprises a plunger pump body, a plunger pump front cover, a central shaft, a permanent magnet plate, a plunger pump front end cover and a conductor copper plate, wherein a plunger pump cylinder body is arranged in the plunger pump body, a plunger is arranged in the plunger pump cylinder body, a thrust plate is arranged between the thrust surface of the plunger pump front cover and the thrust surface of the plunger pump cylinder body, one end of the center shaft is connected with the plunger pump cylinder body, the other end of the center shaft is connected with the permanent magnet plate, permanent magnets with N and S poles spaced mutually are arranged in the permanent magnet plate, the conductor copper plate is fixed to a steel flange, and the steel flange is connected with an output shaft of a motor through an expansion sleeve. The central shaft is sealed in the pump body through magnetic coupling driving of the conductor copper plate and the permanent magnet plate, flow leakage at the central shaft and the end cover is avoided, the problem of bearing abrasion caused by centering is solved, besides, the output flow of the plunger pump can be adjusted by adjusting the size of an air gap, and the plunger pump is compact in overall structure, efficient and capable of saving energy.

The invention provides an LED display module provided with memory units and a control method of the LED display module. Devices with the memory function are added on the basis of the conventional LEDdisplay module and used for storing relevant parameter information of the LED display module, so that the parameters are read automatically when the LED display module is connected with a control system, and parameter setting is completed automatically; after completion of the automatic setting, the control system sends display data automatically for normal display; therefore, automatic identification and display of the LED display module are realized. The LED display module comprises a plurality of display units in sequential cascade connection as well as memory units, wherein each display unit comprises an input interface, a bus driver, a module drive circuit and an output interface which are electrically connected in sequence; each memory unit comprises a memory, and the memory and thecorresponding bus driver are connected in parallel between the corresponding input interface and the corresponding module drive circuit; or, each memory unit is integrated in the corresponding bus driver.

The invention relates to a three-dimensional motion measurement system based on digital image measurement. The system comprises a center control computer, a three-dimensional denoter, a first camera and a second camera. The three-dimensional denoter comprises a two-dimensional plane denoter and a single-sided mirror, wherein the two-dimensional plane denoter is used for being attached to the corresponding position of a target object, and the mirror surface of the single-sided mirror and the two-dimensional plane denoter are opposite and form an included angle of 45 degrees. The first camera measures motion of the two-dimensional plane denoter through the single-sided mirror, and the second camera measures the motion of imaging of the two-dimensional plane denoter in the single-sided mirror. The center control computer is in communication connection with the first camera and the second camera, and calculates three-dimensional motion of a target point according to the measurement results of the first camera and the second camera. The system simplifies installation and debugging process of the measurement site, and meanwhile, greatly improves measurement precision.

The invention discloses an image registration device based on a driver video monitoring system in circuit control. The device comprises a driver video monitoring system and a camera connected with the driver video monitoring system electrically. The camera is connected with a fixed support frame by a universal adjusting mechanism and is installed at the front end of a cab by the fixed support frame. A signal output terminal of a processor of the driver video monitoring system is connected with a light-emitting diode by a control circuit; the processor is used for determining whether a face image shot by the camera is located at the middle of a field of view of the camera; and the control circuit is used for converting an image registration state into a high / low-level signal. If the face image is located at the middle of the field of view of the camera, the control circuit outputs a high-level signal and the light-emitting diode does not emit light; and otherwise, the control circuit outputs a high-level signal and the light-emitting diode emits light. Therefore, whether the camera is aligned with the face can be determined only by observing whether the light-emitting diode lights up and then the angle of the camera is adjusted by the camera adjusting mechanism. Moreover, the device having a simple structure can be adjusted conveniently.

The invention discloses a modular contact component which comprises a movable contact, a contact guide seat, an elastic component, a baffle, a fastener and a wire, wherein the movable contact comprises a precious metal contact, a guide rod and a conductive core; the precious metal contact is arranged at one end of the guide rod, and the other end of the guide rod is connected with the wire; the conductive core is arranged inside the guide rod; the conductive core is connected with the precious metal contact; a step is formed in the middle of the guide rod; a guide hole is formed in the contactguide seat; a contact fixing hole is formed in the baffle; the tail end of the guide rod is nested into the elastic component and then fixed in the contact fixing hole of the baffle; the elastic component is positioned between the step and the baffle; the other end of the guide rod penetrates through the guide hole of the contact guide seat; and the baffle is fixed with the contact guide seat byvirtue of the fastener. According to the modular contact component disclosed by the invention, after the elastic contact device is assembled and adjusted, the modular contact component is wholly mounted onto a slip ring main body structure, so that the contact pressure consistency, reliability and assembling manufacturability of the contact are increased, and losses of electric energy transmissionat the contact part are reduced.

The invention discloses a fluxgate sensor chip, and relates to the field of MEMS integration micro manufacturing. The fluxgate sensor chip comprises a high-sensitivity silicon substrate, an excitation coil, a detection coil, a magnetic core, electrodes and silicon oxide films, wherein both the excitation coil and the detection coil are micro electro-mechanical three-dimensional solenoid coils, bottom coils of the excitation coil and the detection coil are located in a silicon microgroove array at the surface of the high-sensitivity silicon substrate, the upper surfaces of the bottom coils are flush with the surface of the silicon substrate, and the bottom coils are insulated from the silicon substrate and the magnetic core through the silicon dioxide films; and the bottom coils, the magnetic core and top coils are insulated from each other through the silicon dioxide films. The fluxgate sensor chip adopts the silicon dioxide films to perform insulation coating, so that the mechanical strength of the integrated fluxgate sensor chip is improved. In addition, the fluxgate sensor chip is completely compatible with a microelectronic process, and compatible and synchronous integrated manufacturing of the integrated fluxgate sensor chip and a CMOS interface circuit can be realized.

The invention discloses a silicon carbide based integrated micro fluxgate sensor, which comprises a silicon carbide substrate, an excitation coil, a detection coil, a magnetic core, electrodes and silicon carbide films, and is characterized in that the rectangular magnetic core is located in a rectangular groove at the surface of the silicon carbide substrate, and the upper surface of the magnetic core is flush with the surface of the silicon carbide substrate; both the excitation coil and the detection coil are a micro electromechanical three-dimensional solenoid coil, bottom coils of the excitation coil and the detection coil are located in a microgroove array at the bottom of the rectangular groove, electrified wires of the bottom coils are insulated by the silicon carbide substrate at clearances of the microgroove array, and the bottom coils are insulated from the magnetic core through chemical vapor deposition silicon carbide films; top coils of the excitation coil and the detection coil are insulated from the magnetic core through the chemical vapor deposition silicon carbide films, and clearances of electrified wires of the top coils are filled and insulated by the chemical vapor deposition silicon carbide films; the surface of the sensor is covered by the chemical vapor deposition silicon carbide films and is isolated and protected from the air, and the electrodes are exposed via through holes.

The invention relates to the field of robot control and especially relates to a portable servo motor demonstration box. An upper computer, a motion controller, a servo driver, a servo motor and a power supply system are integrated in the box. The portable servo motor demonstration box is portable; the accessories are difficult to be omitted; the connection mode is simple; the repeated wiring is not required; the site demonstration work of the servo motor is convenient; the sales promotion effect is increased; the portable servo motor demonstration box also can be applied to various experimental environments requiring the servo system; the working efficiency is increased.

The invention discloses an integrated car door lock synchronous door knife and an integrated car door lock synchronous door knife system. The integrated car door lock synchronous door knife comprisesa door knife bottom plate installed on an elevator car door, and a locking hook hinged on the door knife bottom plate and matched with a hook attaching component. The integrated car door lock synchronous door knife further comprises a first blade and a second blade which are movably arranged on the door knife bottom plate and are mutually linked, a swinging piece rotationally mounted on the door knife bottom plate and linked with a motor driving mechanism, a first limiting hole arranged on the door knife bottom plate so as to limit the swinging amplitude of the swinging piece, a first elasticpiece acting between the door knife bottom plate and the swinging piece to drive the swinging piece to reset, a transmission piece linked with the swinging piece to drive the locking hook to rotate, asecond elastic piece acting between the door knife bottom plate and the locking hook to drive the locking hook to reset, and a linkage arm linked with the swinging piece to drive the first blade andthe second blade to open and close. The integrated car door lock synchronous door knife provided by the invention is suitable for different types of door machines, and the installation and debugging process is simpler.

The invention discloses an image alignment device for a convex surface reflecting mirror-based driver video monitoring system. The image alignment device comprises a driver video monitoring system and a camera electrically connected with the same, the camera is connected with a fixed support rack via a universal adjusting mechanism, the camera is mounted on a front end of a driver cab via the fixed support rack, and a convex surface reflecting mirror is arranged right below the camera. The convex surface reflecting mirror beside a camera lens is adjusted in such a way that a driver face image reflected by the reflecting mirror is consistent with an image obtained via the camera, only the driver face image in the reflecting mirror needs to be observed at this time so as to adjust a pitch angle and a rotation angle of the camera, the driver face image is enabled to be at a central position of the reflecting mirror, and then image alignment can be realized; the image alignment device is simple in structure and enables convenient aligning operation.

The invention discloses a device for synchronizing a packaging wheel and swing arms of a handkerchief paper packaging machine and a design method. The device mainly comprises the packaging wheel 1, a swing arm mechanism 2 and a pull rod mechanism 3, wherein the packaging wheel 1 is arranged coaxially with the swing arm mechanism 2, and rotates at constant speed; the swing arm mechanism 2 reciprocally swings about the axis of the packaging wheel 1; and when the swing arm mechanism 2 reciprocally swings once, the pull rod mechanism 3 finishes reciprocally linear motion once relative to the swing arm mechanism 2, and simultaneously a supporting plate 401 swings along with the swing of the swing arm mechanism 2 in a direction the same as that of the swing arm mechanism 2. The invention also discloses the design method for the synchronization device. In the device and the design method, swing arms and the packaging wheel move in the same direction, and wheel grooves of the packaging wheel are synchronous and flush with push rods so as to avoid halt in production, greatly increase production speed and greatly improve the quality of product and the operating efficiency. The design method provided by the invention avoids much fieldwork such as the repeated adjustment of the angle of a crank and the like required by the adjustment of the synchronization of the packaging wheel and the swing arms, and simplifies mounting and debugging processes.

The invention provides a disconnecting link operation mechanism box. The disconnecting link operation mechanism box comprises a communication module, a control module, a disconnecting link driving apparatus, and a power supply module used for supplying power for the communication module and the control module, wherein the communication module is used for receiving an instruction, and uploading a signal corresponding to the received instruction to the control module; the control module is used for outputting one or more of a switch-on allowing signal, a switch-on action signal, a switch-off allowing signal and a switch-off action signal; and the respective signals are matched mutually or independently to control the disconnecting link driving apparatus, so as to enable the disconnecting link driving apparatus to control a disconnecting link mechanism to execute a switch-on action or a switch-off action. By virtue of the disconnecting link operation mechanism box, the problems of lowered reliability and low installation and operational and maintenance efficiency of the disconnecting link mechanism caused by the fact that signals are transmitted through a large number of cables due to separation of a secondary control loop and the operation mechanism box body of the existing conventional disconnecting link mechanism are solved.

The invention relates to the field of X-ray equipment, especially an integrated X-ray generating device. The device employs a grinding tool for the extruding machining of an integrated main body frameformed at a time. The upper and lower surfaces of the main body frame are concave, wherein the upper concave part is used for installing a control board, and the lower concave part is used for installing an X-ray tube ball assembly, a temperature coefficient expanding and shrinking device, U-shaped organic glass, and a high-voltage voltage-multiplying circuit board. The device stems from the reality, enables the X-ray part, a high-voltage voltage-multiplying system and a control system to be ingeniously and perfectly combined into one body, and outputs rays at the angles of 45 degrees or 135degrees. The device overcomes the mess and big size, high fault rate and material waste which are caused by the excessive parts, solves a problem of high-voltage discharge or breakdown, simplifies theinstallation and debugging process, is easy and convenient to use, and improves the debugging efficiency and detection accuracy.

The invention discloses a sensorless single-shaft sun tracking system which consists of a photovoltaic panel, a level conversion unit, an analog-to-digital conversion unit, an MCU (Micro Controller Unit), a control signal output unit, a stepping motor drive unit, a stepping motor, a storage battery charging control unit and a storage battery. The photovoltaic panel in the system serves as a power generating device and a light sensor to assist the MCU in judging a sun direction; compared with the light sensor in the existing sun tracking system, the sun direction can be reflected better, the influence of a mounting azimuth on the tracking accuracy when the sensor is mounted is removed, a mounting and debugging process of the sun tracking system is simplified greatly, and the mounting cost is lowered. The storage battery charging control unit in the system has a function of protecting the storage battery and a function of automatically turning off the system after sunset, automatically turning on the system after sunrise and not turning on the system in cloudy days or insufficient light, and the purpose of reducing consumption of the system is achieved.

The invention provides a channel type sorting mechanism of a color selector and a sorting method. The channel type sorting mechanism of the color selector comprises a vibration feeding platform (1), material guiding tubes (3), a camera (4) and a shifting sheet type stepping motor sorting mechanism body (5). The outlet end of the vibration feeding platform (1) is provided with channel partition plates (2) used for enabling materials to fall into the corresponding material guiding tubes (3). Each material guiding tube (3) is located under the outlet end of the vibration feeding platform (1). The shooting range of the camera (4) is located between the vibration feeding platform (1) and the material guiding tubes (3). The camera (4) is connected with an image signal processing control system. The channel type sorting mechanism of the color selector has the advantages that large-particle materials can be conveniently and reliably sorted in the process of sorting. Compared with a traditional air-pressure sorting mechanism, the channel type sorting mechanism of the color selector further has the advantages of being lower in energy consumption and cost, suitable for shell separation of various large-particle matters or sorting and classification of different particle matters, simple in installation and debugging process, and capable of avoiding redundant design of the color selector.

The invention discloses a low-noise micro plane fluxgate sensor based on main and auxiliary coil double incentive. The low-noise micro plane fluxgate sensor based on the main and auxiliary coil double incentive comprises a substrate, main incentive coils, auxiliary incentive coils, detecting coils, a magnetic core, electrodes and a polyimide film. Two ends of each of two long shafts of the magnetic core are symmetrically provided with two groups of the main incentive coils in a wound mode, wherein the two long shafts are arranged in parallel. The middle portions of the long shafts are symmetrically provided with three groups of the detecting coils and two groups of the auxiliary incentive coils in a wound mode. In the same long shaft, one group of the auxiliary incentive coils are arranged between each two groups of the detecting coils. The main incentive coils, the auxiliary incentive coils and the detecting coils are all arranged on the surface of the substrate. Two ends of each main incentive coil are connected with the electrodes. The low-noise micro plane fluxgate sensor based on the main and auxiliary coil double incentive solves the problems that a traditional fluxgate sensor is poor in manufacturing stability and repeatability, utilizes the main and auxiliary coil double incentive to improves the incentive efficiency of the micro fluxgate sensor, effectively lowers output signal noise and energy consumption, is capable of being manufactured together with an interface circuit in an integrated mode, and can be widely used in many novel fields.

The invention discloses a silicon carbide based integrated micro fluxgate sensor, which comprises a silicon carbide substrate, an excitation coil, a detection coil, a magnetic core, electrodes and silicon carbide films, and is characterized in that the rectangular magnetic core is located in a rectangular groove at the surface of the silicon carbide substrate, and the upper surface of the magnetic core is flush with the surface of the silicon carbide substrate; both the excitation coil and the detection coil are a micro electromechanical three-dimensional solenoid coil, bottom coils of the excitation coil and the detection coil are located in a microgroove array at the bottom of the rectangular groove, electrified wires of the bottom coils are insulated by the silicon carbide substrate at clearances of the microgroove array, and the bottom coils are insulated from the magnetic core through chemical vapor deposition silicon carbide films; top coils of the excitation coil and the detection coil are insulated from the magnetic core through the chemical vapor deposition silicon carbide films, and clearances of electrified wires of the top coils are filled and insulated by the chemical vapor deposition silicon carbide films; the surface of the sensor is covered by the chemical vapor deposition silicon carbide films and is isolated and protected from the air, and the electrodes are exposed via through holes.

The invention discloses an embedded pulse generator for propeller automatic balance. The embedded pulse generator comprises a shell, an upper cover matched with the shell, a drive control panel arranged in the shell and the upper cover and used for driving an electromagnetic automatic balancing device, and an interface unit located on one or more sides of the drive control panel and connected withthe drive control panel, wherein the interface unit comprises a power interface unit, an output interface unit and a communication interface unit. Components of the driving device are integrated andoptimized, the automatic balancing algorithm is embedded into a chip, original relay wiring is replaced by a logic circuit, the reaction speed of the driving device is greatly improved, the size and the weight are reduced, and installation and debugging are convenient. The shapes of the interfaces of the driving device are different from each other, so that the condition of equipment damage causedby incorrect insertion by an operator is prevented.

The invention provides a following-type hydraulic damping device, system and method, and relates to the field of damping equipment. The following-type hydraulic damping device comprises a hydraulic cylinder; one end of the hydraulic cylinder is connected with an elastic telescoping mechanism, and the other end of the hydraulic cylinder is connected with a ground rack fixing block through a lengthadjusting mechanism; the elastic telescoping mechanism comprises a telescopic rod which is coaxially in butt joint with the hydraulic cylinder and a spring which is coaxially arranged on the telescopic rod in a sleeving mode; the spring is correspondingly extended or contracted along with the action of the telescopic rod; and the length adjusting mechanism is used for changing the distance betweenthe hydraulic cylinder and the ground rack fixing block. The hydraulic cylinder is matched with the elastic telescoping mechanism so that hydraulic supporting force can be automatically adjusted according to the operation state of to-be-damped equipment, thus the frequency of an offset test system is adjusted, mechanical resonance of the equipment under parts of rotating speeds is reduced, and the equipment is overall protected.

An embodiment of the invention discloses a machine vision detection system and method. The machine vision detection system comprises at least two industrial cameras, an edge computing cloud and mobile equipment, wherein the at least two industrial cameras are arranged on the mobile equipment; the mobile equipment is used for driving the industrial cameras to move, so that each industrial camera acquires images of the to-be-detected object at different angles; and the edge computing cloud is used for receiving the images uploaded by the industrial cameras, processing the images and acquiring a detection result of the images. According to the machine vision detection system and method of the embodiment of the invention, image processing of the edge computing cloud can be shared, the use of an industrial personal computer is canceled, the light weight of the equipment end is realized, the equipment installation and debugging process is simplified, the use is flexible, the maintenance is convenient, and the cost is saved.