49results about How to "Guaranteed coupling" patented technology

The invention discloses an ultrasonic apparatus and an image capturing method. The image capturing of a needle-knife (11) and needle-knife visualization are realized by sending ultrasonic signals in the direction of the cutting part (111) of the needle-knife (11), converting the ultrasonic return signals into ultrasonic images and outputting the images through a display circuit (14). Further more, the ultrasonic apparatus make the irradiation direction of the ultrasonic beams lean to the motion direction of the cutting part (111) of the needle-knife (11) by measuring the derivation angle of the needle-knife (11) and adjusting the irradiation direction of the irradiated ultrasonic beams. According to the direction, the cutting part (111) of the needle-knife (11) is assured to be in the energy band generated by the ultrasonic wave all the time, thus, the cutting part of the needle-knife always presents in the ultrasonic images, and the needle-knife visualization stability is further improved.

The invention provides an exoskeleton mixed control system and method for a lower limb walking assisting machine. The system comprises a track generation module and the like. A master controller module comprises a high impedance controller module and a self-adaptation control module. The track generation module generates lower limb exoskeleton joint track information and guides the lower limb exoskeleton joint track information into the master controller module. A position and speed feedback module collects position and speed information of joints of exoskeletons and feeds back the position and speed information to the master controller module. An FSR circuit module detects the contact force information of soles and the ground through FSR pressure sensors installed at the soles of the exoskeletons and sends the information to a controller decision module in the form of voltage. The controller decision module judges whether the leg swinging period exists or the standing period exists according to the voltage information and sends the judgment result to a 51 single chip microcomputer module. The exoskeleton mixed control system and method are feasible, and the control effect and user experience of the machine exoskeleton system can be improved through mixed bottom layer controllers.

The present invention relates to a tube coupling for connecting tubes for conveying a fluid. The present invention provides a tube coupling that may confine separation of a collet. The present invention also provides a tube coupling that may prevent plastic deformation of a collet to so that a reliability of the tube coupling is improved and a life span of the tube coupling is guaranteed. The present invention also provides a tube coupling that may interrupt a direct contact between a collet and an O-ring seal so that leakage of a fluid is prevented from occurring due to damage of an O-ring seal and a tube is guided to a center of the O-ring seal and is inserted in the O-ring seal.

The invention discloses a cavity radio frequency device and a fly rod thereof for capacitive cross coupling. The cavity radio frequency device adopts a pectinate line resonant cavity arrangement structure. The fly rod is used for realizing the capacitive cross coupling between two non-adjacent resonant cavities of the cavity radio frequency device. The two sides of the fly rod are provided with a coupling piece respectively; the two coupling pieces are connected through strip-lines; the coupling pieces and the strip-lines are all printed onto medium plates; the strip-lines are arranged in a disconnecting way to form an independent middle section and two side sections directly electrically connected with the coupling pieces on the two sides respectively to form a coupling surface; the middle section and the coupling surface are printed onto different medium plates respectively; and the two ends of the middle section are electrically connected with the two side sections respectively. In such a way, the fly rod can endow the cavity radio frequency device with relatively better capacitive cross coupling effect and simultaneously ensures high-power signals smoothly pass through.

The invention provides a double-step yield energy-consumption connecting beam. The double-step yield energy-consumption connecting beam comprises a web, a flange, a stiffening plate, a connecting plate and a reserved part installed on a shear wall. The two ends of the web are both fixed to the connecting plate, the connecting plate is connected with the reserved part through detachable high-strength bolts, the web sequentially comprises a first web section, a second web section and a third web section, and the first web section, the second web section and the third web section are sequentiallyand fixedly connected. According to the double-step yield energy-consumption connecting beam, under a frequent earthquake, the function that consumed energy provides an additional damping ratio can be developed, the coupling effect of the connecting beam can further be developed, under the design earthquake and the rare occurrence earthquake, a larger energy consumption effect can be developed through the good strain strengthening capability of the stainless steel web sections and yield of common metal web sections, replacement can further be achieved as well in the post-earthquake repairingprocess, and the rapid repairing capability is improved after a strong earthquake occurs on a building.

The invention provides an ultrasonic vibration device for coaxial ultrasonic-assisted laser shot peening. The ultrasonic vibration device mainly comprises a vibration rod, an amplitude-change pole, piezoelectric ceramic, first optical glass and second optical glass, wherein through holes are formed in the centers of the vibration rod and the amplitude-change pole in the axial direction; the lowerend of the vibration rod is fixedly connected with the upper end of the amplitude-change pole; the first optical glass is positioned at the top of the vibration rod; the second optical glass is positioned at the bottom of the amplitude-change pole; the upper end of the vibration rod extends out of the upper surface of an upper shell and is fixedly connected with the upper surface of the upper shell; the piezoelectric ceramic is arranged on the vibration rod. According to the ultrasonic vibration device, after the piezoelectric ceramic is electrified, electric energy is converted into mechanical energy to generate ultrasonic waves, and amplification of mechanical vibration amplitude is achieved through the amplitude-change pole. The through holes formed in the centers of the vibration rod and the amplitude-change pole in the axial direction provide a propagation channel for laser, and coaxial propagation of ultrasonic vibration waves and laser shock waves is achieved. Coupling of the ultrasonic vibration waves and the laser shock waves in the propagation process is ensured, the dynamic recrystallization behavior of a material is promoted, and a metal part with an ultrafine grain surface is prepared.

The invention relates to an optical dispersive compensator which is based on a double-ring shaped resonant cavity structure sleeved with each other, and the invention is characterized in that the dispersive compensator is composed of an input waveguide (1), a coupling waveguide (2), an output waveguide (3), a fixed annular waveguide (4) and an adjustable annular waveguide (5). The adjustable annular waveguide is characterized in that two annular waveguides which are sleeved with each other are arranged in the same plane, and are arranged adjacently. The distance between the two waveguides is no more than one wavelength. The waveguide is made of material with refractive index can be adjusted. Each part of waveguide in a filter structure is single-mode waveguide, and the refractive index of the adjustable annular waveguide can be adjusted through changing the exterior condition of the adjustable annular waveguide, thereby the dispersive compensating range is adjusted. When the resonant frequency of the adjustable annular waveguide is similar with that of the fixed annular waveguide, so the resonance of the two waveguides is realized, and the dispersive compensating range of the dispersive compensator is greatly improved. The invention has the advantages of simple realization, convenient operation, easy integration and large range of dispersive compensating range. The invention can be applied to optical communicating system.

The invention discloses a combined casing pipe suitable for tunnel tsp forecast, a system, and a method. The casing pipe is easy to assemble, is convenient to recycle, and is simple in measurement. An inner casing pipe and an outer casing pipe are in threaded connection, thereby achieving a function of protecting a sensor. Surrounding rocks, the sensor and the casing pipes are tightly coupled together, thereby guaranteeing the collection efficiency of signals. Meanwhile, the threaded connection can enable a part of components of the casing pipe to be recycled, thereby reducing the consumption of the casing pipe and improving the economic benefits. An angle measurer completes the measurement of the azimuth and inclination angle of the casing pipe through a built-in gyroscope. Most of parts are made of resin material with certain plasticity and steel, and the components are combined in a separated or segmented manner. The casing pipe can effectively protect the coupling among the sensor, the casing pipe and the surrounding rocks, and guarantee that the sensor can achieve the effective receiving of a TSP detection signal. Meanwhile, a part of components of the casing pipe can be recycled, thereby reducing the consumption of the casing pipe and improving the economic benefits.

The invention belongs to the technical field of printed board design, and provides a dual-orientation electrical bridge. The dual-orientation electrical bridge is characterized in that the dual-orientation electrical bridge comprises a printed board, a coaxial cable, a magnetic core, a plurality of resistors, a capacitor C1 and a capacitor C2, wherein the coaxial cable is placed on the printed board, the magnetic core is sleeved on the magnetic core, the resistors are evenly distributed at the two ends of the coaxial cable, the capacitor C1 is arranged at a first end of the coaxial cable, and the capacitor C2 is arranged at a second end of the coaxial cable. Due to the fact that electric bridge balance is constructed, the dual-orientation electrical bridge has high directivity within a 40 kHz-3 GHz frequency band, is achieved through the dual-orientation electrical bridge, and has the advantages of being simple in structure and high in producibility.

The invention provides a laser beam coupling detecting and debugging structure and a detecting and debugging method. The detecting and debugging structure comprises a laser emitter used for emitting lasers, a coupling mirror positioned on a laser optical path emitted by the laser emitter and used for gathering the lasers to form a laser beam, an adjusting rack used for placing the coupling mirror and adjusting the position of the coupling mirror, an optical fiber positioned on a laser beam optical path, and an optical fiber joint at the connection between the coupling mirror and the optical fiber. The coupling mirror is positioned between the optical fiber and the laser emitter. The end surface of the optical fiber is provided with a light spot reception layer, and the light spot reception layer has a central area. The center of the central area is superposed with the center of the end surface of the optical fiber. The invention can determine whether the position of the coupling mirror is qualified or not and adjust the coupling mirror to a quailed position, and thus the coupling efficiency of coupling the laser beam in the optical fiber is raised.

The invention provides a flexible microwave directional coupler with a controllable coupling degree. The problems that an existing coupler cannot realize flexibility, and the coupling degree is not easy and inconvenient to adjust and control are mainly solved. The flexible microwave directional coupler comprises a flexible dielectric plate (6) and a conductor layer (5) etched on the dielectric plate; the conductor layer comprises a feed structure (51), a mode conversion structure (52), a connecting structure (53) and a coupling structure (54); the dielectric plate adopts a flexible dielectricmaterial as a substrate of the coupler, so that the flexible characteristic is achieved; the mode conversion structure is used for completing conversion of transmission modes, and better impedance matching is achieved; the connecting structure is constituted by a pair of curved artificial surface plasmon transmission lines, and thus dependence of transmission of electromagnetic energy on a metal floor is avoided; and the coupling structure is constituted by a pair of mutually-parallel artificial surface plasmon transmission lines and used for realizing parallel coupling. According to the flexible microwave directional coupler, the coupling degree of the coupler is increased, flexible adjusting and control of the coupling degree are achieved, and the flexible microwave directional coupler can be applied to a radio frequency microwave circuit system.

Provided are a signal conditioning method and a signal conditioning system of a unipolar fast pulse in radiation detection. The signal conditioning method comprise the steps that firstly, half of a peak value Vp-p of a differential input peak of a data acquisition system serves as direct current reference voltage; secondly, direct-current bias voltage with different polarity is generated according to the polarity of a detected unipolar fast pulse; when the unipolar fast pulse is a positive signal, polarity conversion is performed on the direct-current reference voltage to obtain negative-phase direct-current bias voltage -1 / 2Vp-p; when the unipolar fast pulse is a negative signal, polarity conversion is not performed on the direct-current reference voltage to obtain positive-phase direct-current bias voltage 1 / 2Vp-p; thirdly, the direct-current bias voltage and the unipolar fast pulse are superposed according to the original range to obtain a pulse signal with a direct-current bias; a positive pulse and the negative-phase direct-current bias voltage are superposed to obtain a positive pulse signal with the direct-current bias; a negative pulse and the positive-phase direct-current bias voltage are superposed to obtain a negative pulse signal with the direct-current bias. According to the signal conditioning method and the signal conditioning system of the unipolar fast pulse in radiation detection, the dynamic measurement range of the data acquisition system can be expanded.

The invention provides an auto-coupling acoustic wave test system and an acoustic wave test method. The auto-coupling acoustic wave test system mainly comprises two parts including an acoustic wave test device and a water injection and pressurization device, wherein the acoustic wave test device comprises an acoustic wave probe (1), one end of the acoustic wave probe (1) is provided with a water inlet connector (13), the water inlet connector (13) is provided with a water inlet hole (7), an acoustic wave signal cable channel hole (8) and a push rod connecting bolt (14), and the other end of the acoustic wave probe (1) is provided with a fixed short rod (4), and is characterized in that the acoustic wave test device also comprises a flexible weakly permeable bag (2) sleeving the outside of the acoustic wave probe (1), and comprising a sealing section and a working section. Since the flexible weakly permeable bag is adopted, the flexibility can ensure that one type can adapt to bore diameters of different sizes. The weak permeability eliminates the need of exhaust vents at the end part, can ensure the position between a working section bag and a hole wall is filled with water, and can effectively ensure the coupling of the probe in a test section and the hole wall.

The invention provides a high-sensitivity uniaxial MEMS (micro-electro-mechanical-system) gyroscope. The high-sensitivity uniaxial MEMS gyroscope comprises driving mass blocks, driving components andCoriolis force mass blocks, and a first direction, a second direction and a third direction which perpendicular to one another are limited; the driving mass blocks are arranged to move in the first direction; the driving components are connected with the driving mass blocks and the Coriolis force mass blocks through elastic structures respectively; the driving mass blocks drive the driving components to move when moving in the first direction, and further, the driving components drive the Coriolis force mass blocks to move in the second direction; and the driving components and the Coriolis force mass blocks are connected, so that the Coriolis force mass blocks are suitable for moving only in the third direction under the action of Coriolis force.

The invention belongs to the technical field of wireless charging, and particularly relates to a receiving device for adjusting AGV wireless charging and a processing method. The receiving device comprises a main coil, as well as a left side position detection coil and a right side position detection coil located on the two sides of the main coil respectively. The main coil, the left side positiondetection coil and the right side position detection coil are all formed by winding Litz wires, the thickness of the Litz wires forming the main coil is larger than that of the Litz wires forming theleft side position detection coil and the right side position detection coil, and the main coil is further covered with a magnetic core. The relative position of a transmitting guide rail of a receiving end and a transmitting end of an AGV is adjusted, and the AGV is controlled to shift left and right to achieve AGV charging. In the moving wireless charging process of the AGV, the coupling degreeof the receiving coil and the transmitting coil is ensured, the system cost is reduced, and the wireless charging efficiency of the AGV is improved.

The invention relates to a carriage for a separation element, a separation element and a device. The carriage provided to hold a displaceable separation element comprises a carriage body provided with at least two running wheels, which carriage body is connected to a carrier profile, which serves to carry the separation element. According to the invention the threaded shank of an adjusting screw is rotationally held in the carriage body, which adjusting screw comprises below the screw head a flange ring, which supports a flange element provided in the carrier profile, which flange element comprises an opening, through which the screw head is guided. By rotating the adjusting screw the carrier profile can thus be optionally adjusted in height. In a preferred embodiment a tool channel is provided in the carrier profile, into which tool channel a conventional tool can be introduced. The carriage is mounted on the displaceable separation element on the front end of the cabinet main body. The invention also discloses a device for mounting a slide rail and a guide rail in the requirement of the minimum cost and the minimum space. The invention also discloss a stop buffer mounted in the requirement of the minimum cost and the minimum space.

The invention discloses an electrochemical-biological coupling excess sludge / digestion liquid closed-loop treatment method and a treatment device, and can synchronously realize in-situ production of FNA for efficient pretreatment of excess sludge and high efficiency and low energy consumption treatment of excess sludge and digestion liquid through coupling of high-activity granular sludge and a biological electrode system. In an excess sludge treatment reactor, by means of the coupling of granular sludge and the biological electrode system, multiple interspecific direct electron transfer modecoupling and syntrophy linkage of electrogenesis bacteria and fermentation microorganisms are realized, thus guaranteeing high digestibility and high methane yield of excess sludge. Through coupling of granular sludge and EA-ammox in a digestion liquid treatment reactor, high efficiency and low energy consumption removal of C and N synchronously is realized.

The invention provides a large-divergence-angle laser coupling single-mode optical fiber device and method, wherein the device is simple in structure, small in size and capable of saving resources. According to the invention, light emitted by a laser device is collimated by a collimating mirror and then is divided into transmission light and reflection light through a beam splitter prism; the reflection light is incident to a pyramid prism and then is absorbed by an industrial camera to form a reference light spot after being reflected in the original path; the transmission light split by thebeam splitter prism enters a microscope objective, is converged and then enters optical fiber, the coupling end surface of the optical fiber reflects a part of the incident light, and the part of thereflection light returns to the beam splitter prism along the original path, is reflected by the reflecting surface of the beam splitter prism and then is absorbed by the industrial camera to form a coupling light spot; and when the coupling light spot is completely overlapped with the reference light spot, the optical fiber emitted by the laser device is coupled into the optical fiber, otherwise,the pose of the optical fiber is adjusted until the coupling light spot is completely overlapped with the reference light spot. The device and the method of the invention can be applied to the fieldof fibers.

The invention discloses communication equipment and a coupler thereof. The coupler comprises a PCB, a coupling sheet and a metal cover, the coupling sheet is arranged on a first surface of the PCB, a second surface of the PCB is provided with a first groove, the projection of the coupling sheet on the PCB is partially overlapped with the first groove, and the metal cover is arranged on the first groove. The first groove is formed in the PCB, and the projection of the coupling sheet on the PCB is partially overlapped with the first groove, so that the structure of the coupler is changed, and the directivity of the coupler is improved.

The invention relates to a steering column module for a vehicle, especially for a motor vehicle. The steering column comprises a base housing, at least one switch unit which is arranged in or on the base housing and comprises a mechanism which is coupled to an actuating element, at least one printed circuit board arranged in or on the base housing, and at least one switch which can be displaced on the printed circuit board, the switch being coupled in a displaceable manner to the mechanism of the switch unit. The printed circuit board and the switch are associated with a common pre-mounted unit which is constructed in such a manner that the switch is movingly coupled to the mechanism of the switch unit during mounting of the switch unit to said pre-mounted unit.

The invention provides a laser beam coupling detecting and debugging structure and a detecting and debugging method. The detecting and debugging structure comprises a laser emitter used for emitting lasers, a coupling mirror positioned on a laser optical path emitted by the laser emitter and used for gathering the lasers to form a laser beam, an adjusting rack used for placing the coupling mirror and adjusting the position of the coupling mirror, an optical fiber positioned on a laser beam optical path, and an optical fiber joint at the connection between the coupling mirror and the optical fiber. The coupling mirror is positioned between the optical fiber and the laser emitter. The end surface of the optical fiber is provided with a light spot reception layer, and the light spot reception layer has a central area. The center of the central area is superposed with the center of the end surface of the optical fiber. The invention can determine whether the position of the coupling mirror is qualified or not and adjust the coupling mirror to a quailed position, and thus the coupling efficiency of coupling the laser beam in the optical fiber is raised.

The invention provides a data processing method and system and electronic equipment, and relates to the field of data processing.The method can utilize a probe to control a target application to execute SQL statements on a database in a non-intrusive mode, refined statistical records can be made on the SQL statements, code modification on an application program is avoided, low coupling of the program is guaranteed, and the service life of the application program is prolonged. Meanwhile, the control effect on the SQL hierarchy is achieved, and the safety and stability of the application program are improved; by introducing a specific server, such as a Nacos server, as a configuration center, a management and control process of a custom strategy can be realized in a data request process, decoupling of a service platform is realized, and matching and execution of an SQL flow limiting strategy can be focused on.

The invention relates to the technical field of ground stress monitoring, in particular to a stress-strain sensor hole wall coupling device. The hole wall coupling device of the stress-strain sensor comprises a base, a shell, a piston, a filler and a sealing film, the base is arranged at one end of the shell; the shell is cylindrical, the piston and the filler are arranged in the shell, and a connector is arranged at the end, away from the filler, of the piston; a first discharge port is formed in the end, close to the base, of the shell, and the sealing film is arranged at the first discharge port and used for blocking the first discharge port. The embodiment of the invention has the beneficial effects that the filler is extruded by the piston to be discharged from the first discharge port of the shell and then distributed between the shell and the hole wall, and a perfect circular drill hole can be obtained after the filler is filled and solidified, so that the coupling of the sensor and the hole wall can be ensured, and the normal contact of the sensor and the hole wall is further ensured; and the accuracy of ground stress monitoring is improved.

The invention provides an exoskeleton mixed control system and method for a lower limb walking assisting machine. The system comprises a track generation module and the like. A master controller module comprises a high impedance controller module and a self-adaptation control module. The track generation module generates lower limb exoskeleton joint track information and guides the lower limb exoskeleton joint track information into the master controller module. A position and speed feedback module collects position and speed information of joints of exoskeletons and feeds back the position and speed information to the master controller module. An FSR circuit module detects the contact force information of soles and the ground through FSR pressure sensors installed at the soles of the exoskeletons and sends the information to a controller decision module in the form of voltage. The controller decision module judges whether the leg swinging period exists or the standing period exists according to the voltage information and sends the judgment result to a 51 single chip microcomputer module. The exoskeleton mixed control system and method are feasible, and the control effect and user experience of the machine exoskeleton system can be improved through mixed bottom layer controllers.

The utility model discloses a flaw detector with high probe sensitivity, which comprises a flaw detector frame body, a coupling agent box body is arranged on the flaw detector frame body, two sides of the flaw detector frame body are respectively provided with a front turning plate and a rear turning plate, the bottom ends of the front turning plate, the rear turning plate and the flaw detector frame body are respectively provided with a plurality of high-sensitivity probes, a motor is arranged on the front turning plate, and a motor is arranged on the rear turning plate. The first bevel gear is driven by the motor to rotate, and the grinding steel brush can rotate on the surface of the steel rail through connection of the connecting shaft, the connecting disc and the spring, so that an oxide layer on the surface of the steel rail is ground and removed, roughness grinding is achieved, the smoothness of the surface of the steel rail is guaranteed, and the service life of the steel rail is prolonged. Through meshing of the first bevel gear and the second bevel gear, the fan blades rotate to form wind power, and through guiding of the wind deflector, chippings ground by the grinding steel brush are cleaned, and the surface chippings are prevented from being mixed with a subsequent coupling agent, so that the sensitivity of a probe in the flaw detection process of the flaw detector is improved.

The invention provides an elliptical wellbore design method adapting to deep ground stress. The method comprises determining an opening position of an elliptical wellbore and the elliptical wellbore depth h; detecting all ground stress at the ground from the elliptical wellbore to the position with the depth h and determining maximum ground stress delta1 and minimum ground stress delta2; determining the long axis direction of the elliptical wellbore according to the direction of the maximum ground stress delta1; calculating and determining elliptical wellbore parameters according to the maximum ground stress delta1 and the minimum ground stress delta2. According to the method, the ground stress at the elliptical wellbore position can be detected, and the elliptical wellbore parameters aredetermined by selecting the maximum ground stress and the minimum ground stress to ensure that the ground stress and the elliptical wellbore generate a coupling relationship, and the elliptical wellbore can effectively overcome the ground stress during use.

The invention relates to an ultrasonic phased array detection system for a transitional circular arc inside a cavity. The system comprises an ultrasonic phased array detector, a detection probe and a positioning device. The system is characterized in that a probe propelling device consisting of an auxiliary operating frame, a balancing weight, a probe clamping block, a fine steel wire and the like is designed. The ultrasonic phased array detection system for the transitional circular arc inside the cavity provided by the invention has the advantages of: 1, ensuring that the centre of curvature of an arc-shaped wafer of the detection probe is concentric with the circular arc detected so that an ultrasonic wave is vertically incident to corner parts of the circular arc detected so as to realize detection with high sensitivity of all parts of the circular arc; 2, ensuring that the probe operates stably in the cavity structure clings to the side wall of the circular arc detected; 3, ensuring coupling of detection by forming a sealed water cavity between the detection wafer of the probe and the circular arc detected through the detection probe and the front and back clamping blocks; and 4, precisely positioning the movement position of the detection probe through the probe positioning device so as to position the defect horizontal position precisely.

The invention discloses an automatic scheduling method based on a dynamic collaborative position complementing strategy. The method comprises the following steps of S1, carrying out the differential research and judgment according to the verification type and number of a current mutual inductor verification task, and calculating the number of mutual inductors which need to be complemented in advance, S2, controlling a mutual inductor verification line to start verification of the mutual inductor, S3, reserving samples in the cache region, wherein the number of the samples is equal to that of the mutual inductors needing to be complemented from the detected mutual inductors, and S4, when the number of the samples verified for the last time in the mutual inductor verification task is not full of the preset number, enabling the control system of the mutual inductor verification line to schedule the samples in the cache region to enter the verification platform for complementing so as to complete the verification for the last time. The method is suitable for verification of the mutual inductor.