22results about How to "High response frequency" patented technology

The invention, which relates to the technical field of the semiconductor manufacturing equipment, provides a stepping motion apparatus for inhibiting the counter-acting force of an external interface, comprising a load, a Y-direction execution mechanism, an X-direction execution mechanism, a Y-direction counter-acting force balance mechanism, an X-direction counter-acting force balance mechanism, a support frame and a marble platform. The load is arranged on the Y-direction executing mechanism, the Y-direction executing mechanism is arranged on the X-direction executing mechanism, the X-direction executing mechanism is arranged on the supporting frame, the supporting frame is arranged on the marble platform, and the Y-direction counter-acting force balancing mechanism and the X-direction counter-acting force balancing mechanism are both arranged on the supporting frame. Compared with the prior art, the stepping type motion device for restraining the counter-acting force of the external interface can restrain the counter-acting force generated by the stepping type motion device on the mechanical installation interface of the foundation frame in the working process, and the motion and measurement precision of the stepping type motion device is guaranteed.

The invention discloses a super-multilayer optical storage read-write and servo device and method based on a liquid lens. The super-multilayer optical storage read-write and servo device comprises a read-write module, a liquid objective lens, a liquid collimating lens, a servo module and an optical storage medium with an independent servo guide layer. The optical system is used for adjusting the focal length of the liquid objective lens and the focal length of the liquid collimating lens, so that writing or reading light beams emitted by the read-write module can be converged to different recording layers of the optical storage medium through the liquid objective lens, and data writing or reading of the optical storage medium is carried out. Servo light beams emitted by the servo module pass through the liquid collimating mirror and the liquid objective lens and then can be always converged on the independent servo guide layer of the optical storage medium. The liquid objective lens and the liquid collimating lens are arranged, and the focal lengths of the liquid objective lens and the liquid collimating lens are regulated and controlled by external voltage, so that modulation at extremely high response frequency can be realized, the device has the advantage of high response speed, and a servo light beam can be always focused on the surface of the independent servo guide layer under the condition that the thickness of an optical storage medium is not uniform.

The invention provides a game interaction control method and device and electronic equipment. The method comprises the steps that in response to aiming operation, an aimed target object is determined in a game scene; providing an object display area in the graphical user interface, and displaying an object image containing the target object in the object display area; wherein the object display area shields at least part of the scene picture; the display size of the target object in the object display area is larger than that of the target object in the scene picture. According to the mode, the probability of aiming at a wrong target is reduced, the accuracy of aiming at the target is improved, and then the game interaction experience and the game result of a player are improved.

This invention discloses a method for monitoring partial discharge in transformers based on a high-frequency response DAS system, comprising: determining a partial discharge monitoring scheme and designing an optical fiber network according to the structure and layout of the transformer to be monitored; winding optical fibers into optical fiber loops, ensuring the loops are uniformly wrapped around the transformer surface; connecting the optical fiber loops on the transformer to a DAS demodulation host device located in an electromagnetic shielding room using optical fiber patch cords; conducting preliminary transformer background noise monitoring and calibrating the transformer background noise; and, after the transformer is put into use, using the DAS demodulation host device to monitor the partial discharge status of the transformer in real time during operation. This invention, based on the transformer's structure and layout characteristics, attaches corresponding optical fiber loops to the transformer surface, and, in conjunction with a DAS host device with a high-frequency response range, achieves the monitoring of partial discharge in the transformer.

The invention relates to a dynamic weighing method based on a piezoelectric acceleration sensor, and belongs to the technical field of dynamic weighing systems, and the method comprises the following steps: S1, installing at least one piezoelectric acceleration sensor on a structural body bearing an object to be weighed, and collecting a vibration acceleration signal of the structural body under a dynamic load in real time; s2, applying an active excitation signal with a preset frequency and a preset amplitude to the structural body through an actuator; s3, acquiring an output signal of the piezoelectric acceleration sensor under the active excitation, and extracting a vibration response component in the output signal; s4, calculating the dynamic mass of the to-be-weighed object based on the vibration response component; and S5, outputting a calculation result of the dynamic quality. According to the dynamic weighing method based on the piezoelectric acceleration sensor, vibration interference is effectively separated and compensated through an active excitation and response analysis mechanism, and the weighing precision in non-static states such as vibration and movement is remarkably improved.

The invention discloses a piezoelectric heterogeneous substrate, a preparation method and a semiconductor device, the piezoelectric heterogeneous substrate comprises a substrate layer, a dielectric layer, a patterned electrode layer and a piezoelectric film layer, the dielectric layer is located between the substrate layer and the piezoelectric film layer, the patterned electrode layer is located in the dielectric layer, and one side of the patterned electrode layer is exposed to the dielectric layer and is electrically connected with the piezoelectric film layer; the piezoelectric thin film layer is provided with a first surface and a second surface which are deviated from each other, the first surface is an original exposed surface of the piezoelectric heterogeneous substrate for forming the piezoelectric thin film layer, the first surface is positioned on one side, deviated from the substrate layer, of the piezoelectric thin film layer, and the second surface is formed by thinning one side, deviated from the original exposed surface, of the piezoelectric wafer substrate. The sacrificial protection structure is adopted to form the piezoelectric thin film layer, a high-temperature process is completed before the patterned electrode layer and the dielectric layer are formed, stress caused by thermal mismatch in the subsequent preparation process is reduced, and the morphology accuracy, reliability, stability and durability of the piezoelectric heterogeneous substrate are improved.

The present invention discloses a glass container for motor-type small household appliances using a Hall switch, comprising a glass base, a stud is arranged in the glass base, a groove 1 is opened in the glass base, a curing glue is coated in the groove 1, a magnet 1 is fixedly installed in the curing glue, a battery compartment is arranged on the rear side of the glass base, a charging interface is fixedly installed in the battery compartment, and a lithium battery is fixedly installed in the battery compartment. The glass container for motor-type small household appliances using a Hall switch is made of glass material as a whole. Compared with plastic products, glass products are more environmentally friendly, safe, and healthy, and easy to clean. It is controlled by a Hall switch, and the Hall effect is generated by approaching magnet 1 to close and magnet 2 to open. When it is turned on, the LED light emits light, and the lithium battery supplies power to the drive motor. It has no contacts, low power consumption, long service life, and high response frequency.

The utility model relates to the field of mold detection, in particular to a mold cavity pressure sensor, which comprises a sensor shell, a sensor core is arranged in the sensor shell, the sensor core comprises a quartz sensing unit, the quartz sensing unit comprises at least three quartz plates, two adjacent quartz plates are arranged at equal intervals, and the quartz plates are arranged in the sensor shell. The quartz plate is mounted along the axis direction of the sensor shell, one end of the sensor shell is provided with a sensing surface, and the sensing surface is provided with a high-hardness structural layer, so that the working area of the sensing unit can be increased, and meanwhile, the thickness of the sensing unit is increased, thereby ensuring that the transverse shearing force resistance of the sensing unit is strong; therefore, the response frequency of the sensor can be effectively improved, the sensor can more quickly reflect the change of the internal pressure of the mold cavity, the requirement of the high-speed forming process on the response speed of the sensor is met, the monitoring effect is better in the mold production process, the monitoring error is small, and the yield of the mold is improved.

This invention belongs to the field of variable wing technology and discloses a lightweight integrated aerodynamic drive system and a deformable wing. The aerodynamic drive system includes: a double-acting cylinder integrated with the valve bodies of a normally open and normally closed electromagnetic directional valve via a cylinder head; a combined valve comprising an inflation valve and a pressure reducing valve; the inflation valve is located above the pressure reducing valve, with its valve body integrated with the pressure reducing valve's valve body, and its outlet flow channel directly connected to the pressure reducing valve's inlet flow channel; the pressure reducing valve is located on the top of the front cylinder head of the double-acting cylinder, and is connected to the normally open electromagnetic directional valve via a gas-sealed connection, directly docking with a gas cylinder. This system combines optimized gas path design and hardware integration, integrating energy and drive functions, resulting in a compact and lightweight structure. It can adapt well to the requirements of limited installation space, significantly improving the system's adaptability to various operating conditions, thereby enhancing the aircraft's flight performance.

This invention provides a triaxial force sensor, comprising an elastic body and a strain gauge assembly. The elastic body includes connecting cylinders at both ends and a strain force detection area in the middle. The strain force detection area in the middle of the elastic body is configured as a weak connection structure, which includes at least four strain beams. The area enclosed by the strain beams is arranged in a square shape on the projection plane. The strain gauge assembly is attached to each strain beam. This invention can accurately measure forces in three mutually perpendicular directions and has the advantages of simple structure and fast response speed.

The invention discloses a quality detection device for fiber rods such as cotton slivers, which comprises a cotton collection horn mouth and an elastic cotton guide gauge fixed on the cotton collection horn mouth, the cotton collection horn mouth and the elastic cotton guide gauge jointly form a channel for the fiber rods such as the cotton slivers, and the thickness change of the fiber rods such as the cotton slivers causes bending deformation of an elastic body and spacing displacement of an eddy current sensor. The sensor detects deformation and spacing displacement of the elastic body to obtain thickness and mass changes of cotton slivers or fibers. The device has the advantages of being high in online detection precision, high in high-speed online detection response frequency and good in dynamic characteristic in production of fibers such as cotton slivers, the yield of the fibers such as the cotton slivers in production can be greatly increased, and the production efficiency is improved.

The application provides a display substrate and a display device, wherein the display substrate comprises a substrate, a photosensitive circuit and a display circuit arranged on the substrate, wherein the photosensitive circuit comprises a photodiode and a first driving transistor coupled with the photodiode; the display circuit comprises a display device, a second driving transistor and a switch transistor coupled with the display device respectively; the distance between the corresponding gate layer and the active layer of the first driving transistor and the second driving transistor is greater than the distance between the corresponding gate layer and the active layer of the switch transistor. The display quality is improved.

The utility model discloses a high-frequency response actuator driving connecting rod mechanism which comprises two bases, the two bases are symmetrically arranged, the two ends of each base are fixedly connected with supports, and the opposite ends of the two supports are provided with actuator driving connecting rod devices. The main connecting rod is of a hollow structure, the inertia of moving parts is reduced, the response frequency of the mechanism is improved, the hinged position is connected with the driven rod through the flexible hinge, friction loss is reduced, the structure is compact, the transmission efficiency is improved, and the mechanism can be conveniently integrated into automatic equipment; the connecting rod has rigid guiding and unbalance loading resisting capacity, the shaft pins at the two ends are separated by disassembling screws on the two sides through the arranged shaft pins, the clamping rings, the clamping grooves and the flange plates, disassembly and assembly of the actuator and the main connecting rod are achieved, the abraded connecting rod is convenient to maintain and replace, and the maintenance time of the actuator is shortened.

The invention discloses a piezoelectric heterostructure, a preparation method and a semiconductor device, the piezoelectric heterostructure comprises a substrate layer, a dielectric layer, a patterned electrode layer and a piezoelectric functional layer, the dielectric layer is located between the substrate layer and the piezoelectric functional layer, the patterned electrode layer is located in the dielectric layer, and one side of the patterned electrode layer is exposed to the dielectric layer and is electrically connected with the piezoelectric functional layer; the piezoelectric functional layer is provided with a first surface and a second surface deviating from each other, the first surface is a stripping surface, and the stripping surface is located on one side, deviating from the substrate layer, of the piezoelectric functional layer. According to the invention, the stress between the patterned electrode layer and the piezoelectric functional layer is reduced, the debonding condition of the piezoelectric functional layer is prevented, and the morphology accuracy, reliability, stability and durability of the piezoelectric heterostructure are improved; and when the material is applied to a semiconductor device, the electromechanical coupling coefficient, the spurious response, the working frequency and other performances can be improved under the condition of the same in-plane propagation angle, and the performance requirements of various semiconductor devices are met.

This invention relates to the field of oilfield reservoir research technology, specifically a method and system for in-situ dynamic inversion of core displacement fluids based on multi-frequency resistive and capacitive coupled tomography. The method includes: synchronously exciting capacitive and resistive modes at the current time step using multi-frequency signals during displacement simulation to obtain corresponding dual-mode electrical signals; fusing the dual-mode electrical signals according to mode optimization conditions; obtaining corresponding three-dimensional saturation distribution inversion data for oil / water / gas based on a saturation inversion model; and fitting the error between the calculated and inverted data based on the three-dimensional saturation distribution of oil / water / gas to output the fitted relative permeability result. This invention constructs an in-situ dynamic inversion method for core displacement fluids integrating multi-mode detection, mode optimization, saturation inversion, and relative permeability fitting. It is low-cost, compact, and has a high response frequency. Furthermore, the implementation of capacitive and resistive mode detection and the inversion based on the saturation inversion model are not limited by the application environment.

The utility model discloses a device for comprehensive measurement of an elevator landing door, which belongs to the technical field of safety measurement of elevator equipment and comprises a main body device and a movable sliding block, a touch screen is arranged right above the main body device, a T-shaped force sensor and a detachable cylinder are arranged at the front part of the main body device, the detachable cylinder is provided with protruding external threads, and the movable sliding block is connected with the touch screen. The movable sliding block is fixed with the force sensor through threads, the upper half portion of the force sensor is connected with the electric push rod and the linkage rod, two shifting pieces which are bent downwards and perpendicular are arranged in front of the movable sliding block, the shifting pieces and the force sensor form an opposite extending structure, and the movable sliding block is fixed and connected with the main body device through a sliding rail. The parallel movement of the movable sliding block relative to the main body equipment is realized; the elevator landing door data measuring device has the advantages of being integrated in aluminum alloy instrument design, firm, durable, small in size and convenient to carry, and measuring various elevator landing door data through one device through the detachable cylinder and the customized force sensor.

The invention discloses a movable leading edge driving mechanism for delaying dynamic stall of a blade and controlling vibration, which comprises a movable leading edge assembly, a fixed frame, a driver and a push-pull rod assembly, and realizes continuous and controllable deflection of the movable leading edge under the condition of small deformation by adopting a flexible hinge structure to be matched with a piezoelectric stack driver. The actuating mechanism is obviously simplified, the characteristics of high response frequency and good control precision are also realized, and the requirements of high-frequency and small-amplitude active adjustment of the rotor wing in a complex pneumatic environment can be met; according to the difference of stress and deformation characteristics of the upper surface and the lower surface of the front edge, the combined sealing scheme of the flexible sealing piece and the flexible rubber sealing strip is adopted, so that the upper surface and the lower surface of the movable front edge can still be reliably attached in the deflection and vibration process, airflow leakage is effectively prevented, and the stability of the pneumatic regulation and control effect of the movable front edge is ensured.

The present invention relates to a fuel cell stack air tightness test device and method, the device comprising: a helium supply assembly: used for injecting helium into an oxidizing gas cavity, a fuel gas cavity, and a cooling cavity of a fuel cell stack; a test tank: used for sealing and containing a fuel cell stack to be tested; a gas supply valve group: connected to the test tank, used for injecting helium into each cavity of the fuel cell stack; an exhaust valve group: connected to the test tank, used for exhausting the gas in each cavity of the fuel cell stack and the test tank; a helium detection assembly: used for detecting the gas exhausted by the exhaust assembly and determining the air tightness of the fuel cell stack; an emptying assembly: used for emptying the test tank and each cavity of the fuel cell stack before and after the air tightness test; an atmosphere connection assembly: used for balancing the air pressure in the test tank and each cavity of the fuel cell stack after the air tightness test. Compared with the prior art, the present invention has the advantages of convenient operation and high response frequency.

A fast-response, heat-driven, spirally wound artificial muscle is disclosed. The artificial muscle is composed of spirally wound artificial muscle fibers, which have a three-layer structure: a supporting sensing layer, a heat insulation layer, and a driving layer, from the inside out. The driving layer is connected to an external circuit, which heats the driving layer to achieve contraction movement of the artificial muscle. The heat insulation layer prevents heat transfer to the supporting sensing layer, enabling rapid temperature changes in the driving layer. The supporting sensing layer supports the artificial muscle fibers and also functions as a sensing layer. The muscle fibers of this invention are composed of inner, middle, and outer layers, which respectively serve the functions of supporting sensing, heat insulation, and driving. This minimizes the heat transfer from the driving layer to the interior of the material, reducing energy waste and ensuring rapid heat dissipation from the outer layer, thereby improving the response frequency of the artificial muscle.

The invention discloses a control assembly and a pneumatic system, and relates to the field of pneumatic systems.The control assembly comprises a control body provided with a communication flow channel, and the communication flow channel is provided with a first port suitable for being communicated with an air source and a second port suitable for being communicated with an air using device; the control main body is provided with a valve element assembly, the valve element assembly comprises a first valve element with a connecting end and a blocking end, the first valve element can move to control on-off of the communicating flow channel, the blocking end is used for blocking the communicating flow channel, and the communicating flow channel communicates with the first port and the second port in the communicating state; the two ends of the metal wire are connected with the electric connecting terminals, and the middle of the metal wire is wound around the connecting end; dissipation holes are formed in the flow channel wall of the communicating flow channel, and the dissipation holes are configured to enable gas in the communicating flow channel to flow to the winding connection position of the metal wire and the connecting end so as to take away heat around the winding connection position. According to the control assembly provided by the embodiment of the invention, heat around the winding joint can be taken away, and the control precision of the metal wire is improved.

The application discloses a differential magnetic control shape memory alloy inchworm linear driver and a driving method. Two magnetic control shape memory alloy driving elements with the same shape size and magnetic control characteristics are adopted, the displacement of the magnetic control shape memory alloy driver is borne through a piezoelectric ceramic block, and inchworm crawling is realized through differential driving with another piezoelectric ceramic block. Through the application of the application, the output energy density and response frequency of the precision driver are effectively improved, the precision driver is resistant to shock and impact, and the reliability is high.

The invention relates to an irradiation treatment system for local modification of a semiconductor, and belongs to the technical field of semiconductor processing. The irradiation treatment system for local modification of the semiconductor comprises a bearing table, a shielding mechanism, a positioning detection assembly and a control module, wherein the bearing table is used for bearing and fixing a semiconductor wafer; the shielding mechanism comprises a shielding plate and a driving assembly, and a radiation opening is formed in the shielding plate; the surface, facing the radioactive source, of the wafer is a processing surface; the edge position of the shielding plate is fixed, and the driving assembly is connected with the center point of the shielding plate and drives the center point to ascend and descend in the axial direction, so that the shielding plate generates elastic deformation to form an arc-shaped surface; the positioning detection assembly is used for detecting contact between the shielding plate and the machining face. The control module controls the center point of the shielding plate to ascend and descend according to the contact signal, so that the arc-shaped face shape of the shielding plate is matched with the arc-shaped shape of the machining face. According to the irradiation treatment system for semiconductor local modification, the reliability and the yield of a semiconductor local modification process can be improved.