122results about How to "Switch accurately" patented technology

The invention relates to the technical field of communication link switching, in particular to an intelligent power grid communication link automatic switching method and system, and the method comprises the steps: obtaining optical power data of a main optical fiber communication link at each sampling moment, determining a component jitter effect value of each modal component corresponding to each sampling moment, determining the electromagnetic interference quantity at each sampling moment by combining the change chaos degree of the modal component, analyzing the change of elements in the trend component vector to obtain an optical fiber communication abnormal value at each sampling moment, and calculating the communication quality reliability at each sampling moment based on the optical fiber communication abnormal value; and according to a comparison result of the communication quality reliability and a preset reliability threshold, judging the communication condition of the main optical fiber communication link, and carrying out automatic switching on the optical fiber communication link. According to the invention, the switching condition of the optical fiber communication link in the smart power grid can be judged more accurately, and the optical fiber communication fault can be processed in time.

The utility model relates to an automatic fluorescent channel switching module and a microscopic imaging device with the same, and the automatic fluorescent channel switching module comprises a fluorescent light source generator, a plurality of fluorescent cubes and a moving assembly, the moving assembly comprises a motor, a lead screw fixed to the output end of the motor, a nut connecting piece rotationally connected with the lead screw, a moving plate fixed to the nut connecting piece, a sliding rail and a controller used for controlling the motor. The fluorescent light source generator and the fluorescent cubes are both arranged on the movable plate, the movable plate is in sliding connection with the sliding rail, the multiple fluorescent cubes are arranged side by side, and the arrangement direction of the multiple fluorescent cubes is parallel to the sliding rail. The fluorescence channel automatic switching module disclosed by the utility model can automatically control the position change of the fluorescence cube, realizes rapid and accurate switching among different fluorescence channels, and improves the imaging efficiency and the experiment accuracy.

This invention belongs to the field of polyurethane elastomer technology and discloses a high-strength, room-temperature self-healing lignin / polyurethane composite elastomer, its preparation method, and its applications. The preparation method includes the following steps: First, a long-chain diol, irregular isocyanate, hydrazine chain extender, and dioxime chain extender are progressively polymerized to obtain a polyurethane matrix with multiple dynamic bonds. Then, high-rigidity lignin and metal ions are introduced to prepare a lignin-reinforced polyurethane composite elastomer. The lignin / polyurethane composite elastomer prepared by this invention exhibits good compatibility, high strength, room-temperature self-healing, and repeatable heat processing characteristics, overcoming the problems of poor compatibility and the inability to simultaneously achieve high strength and low-temperature self-healing in general lignin-based polyurethane elastomers.

The application discloses a kind of no-load tap changer switching device and control method thereof, including main controller, gear control module and gear verification module;Gear control module according to the instruction issued by receiving main controller, no-load tap changer is carried out gear shifting action, and feedback gear shifting execution state;Gear verification module according to the instruction issued by receiving main controller, complete the verification of electricity and discharge work before gear shifting operation;After gear shifting is completed, the gear state is verified;The application automatically completes the whole process operation of verification of electricity, discharge, gear shifting execution and gear shifting verification etc., and realizes no-load tap changer gear shifting operation automation.Compared with the traditional manual field gear shifting mode, operation process can be significantly simplified, power outage operation time is shortened, gear shifting controllability and reliability are improved, and manual operation and maintenance cost is reduced.

The utility model discloses a combined microwave oven, including the body with furnace cavity, be equipped with circuit assembly in the body, circuit assembly includes main control circuit and mechanical timer, be equipped with control panel on the body, be equipped with timing knob and function button on control panel, timing knob with mechanical timer is connected, and mechanical timer is used for controlling the working length of time of microwave oven, main control circuit with function button is connected for adjusting the firepower state of microwave oven according to the control signal of function button input. Adopt the utility model to have the convenient operation effect of mechanical type microwave oven again, and have the accurate firepower gear position control effect of electronic type, and the whole practicality is high, can satisfy the use demand of different users to the maximum.

The invention provides a device for cleaning and maintaining the interior of a hub in a wind turbine nacelle, belonging to the technical field of wind power equipment. The device comprises a handle component, a switching assembly, a combined cleaning assembly and a maintenance assembly. The switching assembly is connected in a switching shaft block through a switching shaft. A high-temperature steam cleaning mechanism and a negative-pressure contaminant suction mechanism are arranged in the cleaning assembly to remove oil contaminants in the hub in the wind turbine nacelle. The device has a high level of integration, is easy to operate, and can improve the operation stability of a wind turbine.

The invention discloses sterile cold filling and online sterilization integrated production equipment for beverages, and relates to the technical field of sterile cold filling, the sterile cold filling and online sterilization integrated production equipment comprises an integrated machine body, the integrated machine body is provided with a conveying belt body used for conveying filling containers, and the integrated machine body is further fixedly provided with a beverage storage tank used for storing filling beverages; a discharging port of the beverage storage tank is provided with a discharging pipe, a sterile cold filling mechanism used for beverage cold filling is arranged below the discharging pipe, the integrated machine body is further provided with an online sterilization mechanism used for conducting steam sterilization on the sterile cold filling mechanism, and a filling positioning mechanism used for limiting movement of a filling container on the conveying belt body is further arranged above the conveying belt body. During use, the conversion push rod and the conversion rotating rod are arranged to drive the material guide wheel to rotate and reverse, and after the filling push rod is reset, the filling piston excessively retracts to expose the steam sterilization opening, so that precise switching between a material passage and a sterilization passage is realized, communication between steam and the beverage storage tank as well as the discharging pipe is cut off structurally, and materials are prevented from being polluted by the steam.

The invention belongs to the technical field of underwater unmanned vehicle control, and particularly relates to an underwater unmanned vehicle driving circuit and a dual-mode power conversion method, the underwater unmanned vehicle driving circuit comprises a power conversion unit, a hysteresis comparison unit and a PWM control unit, during specific implementation, a UUV (unmanned underwater vehicle) is driven in a short-time pursuit mode in a multi-tube parallel driving mode, and the dual-mode power conversion of the UUV is realized. A high-power motor driving function is achieved, rapid acceleration and high-speed advancing functions of the UUV are completed, in a long-time cruise mode, a single-tube driving mode is used, the driving function is completed, conduction loss generated when a plurality of power devices are turned on and off at the same time is reduced, loss of a driver in the long-time cruise mode is reduced, electric energy consumption is reduced, driving efficiency is improved, and the service life of the UUV is prolonged. The battery (power supply) energy is saved, the cruising time is prolonged, and energy-saving control is realized.

The present invention discloses a power management device and a computer system. By integrating a power output module, a controller, a first switch circuit and a second switch circuit, accurate control and management of the power of each component of the computer system is achieved. The controller can send corresponding instructions to the power output module, the first switch circuit, the second switch circuit and the CPU according to the working state setting instructions input by the user, so as to control the on-off state of each part of the power supply. The output and switching of the power supply can be accurately controlled to ensure that the computer system can efficiently realize the switching of multiple working states defined by ACPI. This integrated solution reduces the complex signal interaction and timing coordination difficulty between the CPU, PCH and SIO in the traditional solution, reduces the total cost, and simplifies the power management logic.

A DC-DC converter and a control method thereof, the converter comprising a logic module, a power tube, an inductor, an output capacitor, a voltage dividing resistor and an error amplifier, characterized in that the converter further comprises a first control unit, a second control unit and a third control unit; wherein the first control unit realizes the switching of the converter between a constant current starting mode and a closed loop starting mode based on an output voltage, and realizes the delay of the constant current starting mode based on the output of the second control unit; the second control unit and the third control unit control the switching state of the power tube of the converter in the closed loop starting mode based on the size of the inductor current and the output voltage. The method realizes the fast starting of the converter and the stability of the output voltage, avoids the back and forth switching of the converter between the two working modes, and ensures the normal starting of the circuit.

A dual-power supply system for tourist rail transit is designed to meet the power supply, sightseeing and travel speed requirements of long and large tourist rail transit lines, minimize the damage of tourist rail transit systems to the natural landscape along the line, and improve the tourist train tour experience. It includes a train and a tourist rail transit system consisting of an open line section and a tunnel section. A battery pack or supercapacitor pack is set in the train body to provide power for its travel on the open line section, and a pantograph is set on the top of the car body to directly take current from the contact network in the tunnel section, and a buffer device is configured to meet the lifting and lowering requirements of the train during operation. The open line section only lays the track structure, and no columns or power lines are set on the side of the line, and the train provides driving power by itself. In the tunnel section, a contact network is set on the top of the tunnel, and a contact network current switching device is set at the entrance and exit of the tunnel section. After the train enters the tunnel section at normal speed, its pantograph is in stable contact with the contact network through the contact network current switching device, and the contact network provides power for the train to travel, and provides power for rapid charging of the battery pack or supercapacitor pack.

The present invention discloses a microscope objective lens recognition device and an objective lens recognition method, which are arranged on an objective lens converter of a microscope. The objective lens converter comprises a converter rotating plate rotatably connected to an objective lens converter mounting frame on the microscope, an objective lens mounting hole for mounting an objective lens is provided on the converter rotating plate, a first objective lens magnification recognition mechanism for detecting the magnification of the installed objective lens is provided at each objective lens mounting hole, and a second objective lens magnification recognition mechanism for cooperating with the converter rotating plate to recognize the objective lens entering a detection light path of the microscope is provided on the objective lens converter mounting frame. The present invention directly detects and recognizes the objective lens magnification by arranging the first objective lens magnification recognition mechanism, and associates the objective lens mounting hole with the corresponding objective lens magnification by using the second objective lens magnification recognition mechanism, so that after the recognition is completed, the objective lens can be quickly switched, thereby reducing the complexity of the control logic.

The application relates to the field of drawing test devices, in particular to a device for steel pipe drawing test. The device comprises a mounting seat, outer side plates, inner side plates, drawing test assemblies and double-head drawing force applying assemblies. Two groups of outer side plates are arranged on two rotating driving frames respectively; two groups of inner side plates are rotationally arranged on the two groups of outer side plates; a plurality of groups of drawing test assemblies are transversely arranged between the two groups of inner side plates; the end of a drawing test channel is provided with a spraying section, and the middle part is provided with an imaging monitoring section; and a plurality of groups of double-head drawing force applying assemblies are transversely arranged on the two groups of outer side plates. The device is characterized in that the work stations are switched through the rotation of the outer side plates and the inner side plates, the environment control and online monitoring of the drawing test assemblies and the synchronous and accurate loading of the double-head drawing force applying assemblies are closely linked, the batch automatic operation of the steel pipe drawing test is realized, and remarkable progress is achieved in the aspects of clamping precision, stress state control and deformation measurement accuracy.

This utility model relates to a highly reliable adaptive stable power supply. It primarily addresses the technical problem of existing conventional battery systems having a narrow applicable temperature range, making it difficult to meet the stable power supply requirements of electromechanical equipment in extreme environments. The technical solution of this utility model is as follows: the stable power supply includes a temperature monitoring module, a temperature display module, a core control module, a power adapter module, and a power output interface. The output end of the temperature monitoring module is connected to the receiving end of the core control module, the control end of the core control module is connected to the interface of the power adapter module, and the output end of the core control module is connected to the display port of the temperature display module. The core control module is composed of a single-chip microcomputer; it receives monitored data and transmits it to the temperature display module in real time. It uses a neural network-based recognition method to determine the temperature range and sends timely commands to the power adapter module. The output end of the power adapter module is connected to the power output interface.

The invention relates to the technical field of electric vehicle wireless charging, and particularly discloses an electric vehicle dynamic wireless charging self-starting method and system based on position detection. Whether the vehicle enters the charging area or leaves the charging area can be judged, and judgment can be completed only by detecting the inverter output current; and for a subsequent transmitting coil, threshold comparison is carried out by utilizing the induced voltage generated by coupling between the coils, so that starting is carried out. According to the method and the system, the electric vehicle can be accurately positioned, accurate control and switching of the transmitting coil can be realized, so that high reliability of the system is ensured, an additional detection device is not added, operation is simple and convenient, complexity and cost of the system can be remarkably reduced, and the purposes of effectively saving electric energy and realizing accurate charging are achieved.

The application provides a multi-channel intelligent conversation management method and system and electronic equipment, and relates to the technical field of artificial intelligence. The method comprises the following steps: in response to a cross-channel conversation switching request of a user, obtaining a conversation state object of a source channel before switching, the conversation state object comprising at least one state field, and the state field being a data unit of a user interaction context; calculating the migration value of each state field in a target channel after switching; and filtering and migrating the conversation state object according to the migration value corresponding to each state field. Thus, by introducing the filtering and migration mechanism based on the migration value quantitative evaluation, the defects of media incompatibility conflict caused by full migration and poor dynamic adaptability caused by static rule filtering in the prior art are fundamentally overcome, the accurate migration of the conversation state after cross-channel switching is realized, the seamless and coherent user experience between heterogeneous channels is ensured, and the success rate of cross-channel continued conversation is significantly improved.

The utility model discloses a key switching bidet. The key switching bidet comprises a bidet body, a spray head assembly and a shunt valve, wherein the spray head assembly and the shunt valve are mounted on the bidet body; the water dividing valve comprises a water dividing valve body, a locking disc and a plurality of water dividing assemblies. The water distribution valve body is provided with a water distribution cavity and a plurality of water distribution channels, each water distribution channel is communicated with each water outlet channel of the spray head assembly, and a plurality of water distribution holes communicated with each water distribution channel are formed in the same end of the water inlet cavity; the water distribution assembly comprises a water distribution key, water distribution valve rods connected with the water distribution key and water distribution plugs matched with the water distribution valve rods, the water distribution plugs matched with the water distribution valve rods are contained in the water distribution cavity and movably plug the water distribution holes respectively, and the water distribution key is provided with a locking block. The locking disc is matched with the water distribution valve body in a rotatable mode, and the locking disc is provided with a plurality of locking parts used for movably pressing the locking blocks corresponding to the locking blocks of the water distribution keys. According to the utility model, accurate and rapid waterway switching can be realized.

The utility model belongs to the technical field of automobile manufacturing, concretely relates to a kind of self-adapting positioning tooling mechanism for automobile welding, including installation base, X axial slide rail, Y axial slide rail, Z axial slide rail, connecting seat, connecting support and hook pin cylinder;The X axial slide rail is installed on the installation base, the Y axial slide rail is installed in the movable end of the X axial slide rail, the Z axial slide rail is installed in the movable end of the Y axial slide rail by the connecting seat, the connecting support is installed in the movable end of the Z axial slide rail, and the hook pin cylinder is installed on the connecting support.The self-adapting positioning tooling mechanism for automobile welding is integrated with the movement slide rail of X, Y, Z three directions, combined with sensor signal control, realizes the accurate switching of hook pin cylinder in different space positions, and successfully solves the limitation of traditional single vehicle type special tooling.

The invention provides a double-pull-rod center valve type hydraulic brake master cylinder which comprises a cylinder body, a primary piston, a secondary piston, a center valve type device and the like. The center valve type device has the advantages that the center valve type device is high in response speed, the flow direction of brake fluid can be rapidly switched, and the instant braking requirement is met; all parts are tightly matched, stability is good, and braking force is uniform and stable; the sealing spring has small elasticity to avoid damage to the fourth sealing ring and ensure the system reliability; the spring seat and the valve seat are special in structure, so that stable work of the return spring and the pull rod and balanced circulation of brake fluid are facilitated; the connection of the primary piston and the push rod and the annular groove design of the secondary piston provide guarantee for the normal operation of the braking system. In conclusion, the patent technology effectively improves the performance and reliability of the hydraulic brake master cylinder, and provides important guarantee for safe driving of an automobile.

The embodiments of this application are applicable to the field of communication technologies, and provide a multi-channel switching method, device, and communication module for transmitting power data. The method includes: receiving data pre-acquisition information sent by a communication front-end machine, where the data pre-acquisition information at least includes the power data planned to be collected during a collection time period; determining a channel working mode for transmitting the power data according to the data pre-acquisition information; when the start time of the collection time period arrives, switching multiple data transmission channels according to the channel working mode, and the multiple data transmission channels at least include a Beidou satellite data transmission channel and a mobile data transmission channel. By adopting the above method, it is possible to accurately switch to a suitable channel working mode according to the actual data collection requirements of the management platform.

This invention relates to the field of vacuum forming machine technology, and proposes a negative pressure integrated vacuum forming machine and method. The machine includes a support platform, a mounting frame fixedly connected to the top of the support platform, a material feeding frame on the inner side of the mounting frame, a lifting mechanism on the inner side of the mounting frame, an infrared heater fixedly connected to the top of the inner side of the mounting frame, and a vacuum forming mechanism below the material feeding frame. The vacuum forming mechanism includes a mold, with an air cavity at the bottom of the inner side of the mold. A three-way pipe communicating with the interior of the air cavity is fixedly connected to the bottom of the mold. One end of the three-way pipe is fixedly connected to an air outlet pipe, and the other end is fixedly connected to an air inlet pipe. A dual-axis motor is fixedly installed inside the support platform. An air extraction component is provided at the outlet end of the air outlet pipe, and an air inlet component is provided at the inlet end of the air inlet pipe. This invention effectively solves the technical defects of traditional vacuum forming machines through uniform negative pressure adsorption in the air cavity, rapid cooling in the annular cavity, non-destructive positive pressure demolding, and integrated power transmission.

The embodiment of the invention discloses a vehicle control method and device, and the method comprises the steps: obtaining an environment image of a vehicle, processing the environment image through a terrain recognition model obtained through pre-training, determining a predicted terrain corresponding to the environment image, and enabling the terrain recognition model to be a machine learning model, the predicted terrain is rock, snowfield, sand, city or mud, and the terrain recognition model is trained in advance, so that the terrain recognition model has accurate terrain recognition capability, and the target driving mode of the vehicle can be determined according to the predicted terrain, and the target driving mode is a rock mode, a snowfield mode, a sand mode, an economic mode or a mud mode. Thus, the vehicle is controlled according to the target driving mode, accurate and real-time driving mode switching of the vehicle for the terrain is achieved, and the user experience is improved.

The utility model provides a kind of numerical control plate shearing machine operating mechanism with anti-misoperation safety protection, it include: plate shearing machine, control panel and anti-misoperation mechanism, anti-misoperation mechanism includes protective plate, fixed block, pivot, cover, first spring, latch, second spring and dial block, protective plate is sleeved in the outside of control panel, fixed block is fixed in the outer wall of control panel, pivot is rotatably connected in the outer wall of protective plate, cover is fixed in the outer wall of pivot, first spring is installed in the inside of cover, latch is connected with the other end of first spring, second spring is installed in fixed block, dial block is installed in the inside of fixed block.The utility model embodiment a kind of numerical control plate shearing machine operating mechanism with anti-misoperation safety protection, by the setting of anti-misoperation mechanism, a reliable physical protective barrier is formed outside control panel, when operator does not operate, cover is tightly closed under the action of first spring and latch, effectively prevent the occurrence of misoperation.

The utility model provides a kind of automatic screwing mechanism for silk distribution machine, comprising: fixed plate, fixed plate upper end left side sliding connection has fixed slide, fixed plate upper end right side fixed mounting has support, fixed slide front side sliding installation has clamping mouth slide. This kind of automatic screwing mechanism for silk distribution machine, by being provided with rack, guide rail, fixed slide, screwing motor, screwdriver, clamping mouth head, advancing motor and gear, the meshing transmission of advancing motor and gear, provide accurate power for rack, cooperate guide rail to realize the stable movement of fixed slide, ensure that clamping mouth head is accurately switched between material taking and locking position;Fixed slide carries screwing motor, power is transmitted to clamping mouth head by screwdriver, in combination with the clamping mouth head of composite adsorption design, realize the firm capture of different specifications screw and reliable locking, both guarantee the stability and positioning accuracy of transfer process, and also through the power output and torque control of screwing motor, greatly improve work efficiency.

This invention provides a microplate measurement device with an optical fiber switching mechanism, comprising a light source module (including the optical fiber switching mechanism), a filter module, a monochromator module, and a sample measurement module. The light source module, filter module, and monochromator module are connected by optical fibers, which include an output fiber inside the light source module, a transmission fiber connecting the light source module and the optical fiber, and an incident fiber connecting the filter module and the monochromator module. This invention enables multi-mode spectral analysis of absorbance and fluorescence intensity by freely switching the optical fiber channel modes through the optical fiber switching mechanism, thereby improving testing efficiency and reducing testing costs.

This application provides a method and system for integrated protection of wireless network optimization and data security. The method includes: collecting wireless network operation index data and network security threat index data; evaluating network quality based on the wireless network operation index data, calculating network channel quality values, and generating network optimization strategies; calculating security threat values ​​based on the network security threat index data, and constructing security protection strategies based on the security threat values ​​and network channel quality values; linking and matching the network optimization strategies and security protection strategies to form linkage control commands; and synchronously executing network parameter adjustments and security management actions according to the linkage control commands. This application achieves bidirectional linkage between wireless network quality perception and data security threat detection, optimizing network speed and latency while simultaneously identifying attacks and dynamically adjusting security strategies, achieving synergistic optimization and balance between performance and security.

The utility model relates to the technical field of turning tools, and provides a turning tool structure which comprises a main machine shell, one side of the main machine shell is rotationally connected with a rotating rod, one end of the rotating rod is fixedly connected with a rotating plate, and the outer surface of the rotating plate is fixedly connected with a plurality of connecting rods. The ends, away from the rotating plate, of the multiple connecting rods are fixedly connected with rotating rings, stress grooves are formed in the driving sides of the connecting rods and the rotating rings, force application rods are movably embedded in the stress grooves, one ends of the force application rods are fixedly connected with cranks, and the sides, away from the force application rods, of the cranks are fixedly connected with power rods. According to the utility model, the device is provided with an automatic rotating cutter replacing structure, so that a required cutter can be quickly and accurately switched to a working position, the cutter does not need to be manually replaced, the cutter replacing time is shortened, the production efficiency is improved, and a proper cutter can be flexibly selected and used according to different processing parts and process requirements; and diversified processing requirements are met.

The invention belongs to the technical field of sampling devices, and discloses a sampling device for liquid medicine detection and a method thereof.The sampling device comprises a spherical medicine storage body, the lower portion of the spherical medicine storage body is communicated with a liquid suction pipe, a top pipe is arranged above the spherical medicine storage body, and a limiting plate is rotationally installed between the top pipe and the spherical medicine storage body in a sealed mode; the top pipe and the spherical medicine storage body can be isolated and sealed through the limiting plate, a liquid taking assembly is fixedly installed in the center of the top pipe and vertically extends to the bottom end of the interior of the liquid suction pipe, extraction and discharging of medicine liquid are completed through rotation, and a stirring assembly used for homogenization pretreatment of the medicine liquid is rotationally installed at the upper end of the top pipe. A swing assembly capable of expanding the stirring range is integrated on the stirring assembly, and a driving device used for providing power and achieving function switching is arranged on the top pipe; the liquid medicine stirring device is simple in overall structure, can efficiently and uniformly stir liquid medicine which is easy to layer and high in viscosity, eliminates stirring dead angles, and improves the using effect.