63results about How to "Switch accurately" patented technology

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 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 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 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.

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.

The application discloses a recording and broadcasting device, method, device and medium. The recording and broadcasting device comprises a controller, a base, a holder, a lens, three first sound pickers and one second sound picker. The holder and the three first sound pickers are arranged under the base, and the three first sound pickers are arranged in a triangular shape. The lens is installed at the bottom of the holder, and the second sound picker is installed at the bottom of the lens. Thus, audio information in multiple directions can be collected. The controller is used for determining an angle deviation value of a sound source and multiple preset positions according to audio information collected by each sound picker, determining a target angle value that the holder needs to rotate according to each angle deviation value, a distance between any two sound pickers pre-stored and a first distance between the sound source and the preset position pre-stored, controlling the holder to rotate according to the target angle value, and enabling the lens and the second sound picker after rotation to collect video and audio information of the sound source.

The utility model discloses a two -axis body -turning cutting mechanism relates to the technical field of automotive parts, including fixed floor, rotary air cylinder, rotating support and fixed axle, the fixed axle is rigidly connected with fixed floor, the rotary air cylinder is fixed on fixed floor, and its rotary end drives rotating support, the rotating support both sides symmetry sets up support pivot no.

The utility model provides a camera switching module with a rotary reflecting mirror, which comprises a fixed seat and a reflecting mirror rotationally arranged on one side of the fixed seat, a first camera module and a second camera module are oppositely arranged on two sides of the fixed seat, and the reflecting mirror has a first rotating direction and a second rotating direction when rotating relative to the fixed seat. The first rotation direction is matched with the first camera module, and the second rotation direction is matched with the second camera module; according to the utility model, light path switching can be rapidly and accurately carried out, and the problems of abrasion, low transmission efficiency and the like caused by a complex mechanical structure are avoided.

The invention provides an injection molding material processing drying oven, and relates to the technical field of drying ovens, the injection molding material processing drying oven comprises a base and a drying oven fixedly mounted on the base, a groove is formed in the base, a lifting assembly is arranged in the groove, and a first fan and a second fan are arranged on the lifting assembly; a wind wheel of the first fan is a backward-inclined centrifugal wind wheel, a wind wheel of the second fan is a forward-inclined multi-wing wind wheel, a heating cavity is formed between the drying oven and the lifting assembly, a plurality of electric heating wires are arranged in the heating cavity, an air conveying pipe is arranged between the heating cavity and the lifting assembly, and the air conveying pipe is connected with the lifting assembly. A connecting pipe is arranged between the air conveying pipe and the lifting assembly, and the drying requirements of different materials are met.

This invention discloses a dual-motor harmonic reduction geared workbench, relating to the technical field of harmonic reduction transmission equipment. It includes a base and an outer motor housing. The top surface of the base is fixedly mounted to the outer motor housing. An upper housing is mounted on the top surface of the outer motor housing, and an output flange is rotatably mounted on the upper housing. A first driving component is installed inside the outer motor housing. A second driving component is installed inside both the outer motor housing and the upper housing. An output internal gear ring is rotatably mounted inside the upper housing, with its top surface fixedly mounted to the output flange. A flexible wheel is disposed inside both the outer motor housing and the upper housing. Through the coordinated operation of the two motors, high-speed rotation of the output flange can be achieved. Furthermore, through the independent operation of the second driving component, low-speed, high-torque output can be achieved based on the harmonic low-tooth-difference transmission principle. This allows the same equipment to be compatible with both high-speed light-load and low-speed heavy-load operating conditions, meeting the production needs of alternating complex on-site operations.

The invention discloses a dynamic insulation diagnosis method for a power battery system based on an adaptive threshold value, and relates to the technical field of data analysis. A dual-channel monitoring mechanism of a main channel and an auxiliary channel is introduced on the basis of traditional dynamic threshold calculation, and rapid recognition and response to sudden insulation faults are achieved. The auxiliary channel senses the change rate of the insulation resistance in real time and triggers a threshold freezing mechanism after identifying a jump event, so that the problem that a dynamic threshold covers a sudden fault risk due to smooth delay is effectively avoided; furthermore, by quantitatively analyzing the state change in the freezing period, calculating a state recovery index and taking the state recovery index as a judgment basis for judging whether the freezing state is quitted or not, the defects that in a traditional mechanism, a threshold value is not matched with the alarm frequency rhythm, and whether the system is recovered to be stable or not cannot be accurately judged are overcome; therefore, the accurate switching of the insulation diagnosis mechanism between the burst state and the stable state is realized, and the response speed of diagnosis, the judgment accuracy and the overall safety of system operation are remarkably improved.

The utility model discloses an aging test equipment and system, apply to test equipment technical field to solve the problem of aging test equipment structure complex, module quantity more in prior art, specifically includes power module for the power supply of measured charge -discharge module group, feedback load module converts and feeds back to the power grid after the electric energy release of measured charge -discharge module group, mode switching module switches for first test wiring mode or second test wiring mode under the control of control module, and control module controls mode switching module to switch between first test wiring mode and second test wiring mode to change the charge -discharge direction of measured charge -discharge module group. In this way, by changing the wiring mode, the charge -discharge direction of the measured charge -discharge module group connected in series is directly adjusted, and the aging test of multiple measured charge -discharge modules can be realized by using one power module and one feedback load module with equal power of the measured charge -discharge module, which simplifies the equipment structure and reduces the number of modules.

This utility model discloses a diluent conveying device, including a main conveying line, a first diversion branch line, a second diversion branch line, and a diversion guide device. The diversion guide device is located at the junction of the main conveying line and the first and second diversion branch lines. The diversion guide device is used to selectively deliver the transported product into the first or second diversion branch line. The diversion guide device includes a support rod, a support plate, a linear drive actuator, a positioning shaft, a support shaft, a limit seat, a push plate, a fixed guide plate, and a movable guide plate. Through the ingenious layout of the diversion guide device, precise switching and efficient diversion between the main conveying line and the two diversion branch lines are achieved. The linkage design of the linear drive actuator and the movable guide plate not only facilitates operation but also ensures the stability and reliability of the diversion process.

This invention discloses a method for preparing patterned colloidal crystal films with hydrophilic-hydrophobic conversion effects, specifically relating to the field of colloidal crystals. The specific steps are as follows: A colloidal microsphere emulsion of a specific concentration is prepared as a coating solution; a wire rod is used to apply a constant force to the substrate surface to form a film at a uniform speed; after the solvent evaporates, a hydrophilic colloidal crystal film is formed; and then it is placed at a constant temperature for a specific post-treatment time to obtain a hydrophobic colloidal crystal film. This method utilizes the change in the hydrophilic functional groups on the surface of polymer colloidal microspheres under high-temperature conditions to achieve hydrophilic-hydrophobic conversion of the colloidal crystal film at low cost. The hydrophilic-hydrophobic conversion colloidal crystal film prepared by this invention has a simple process and low cost, and can be used in fields such as anti-counterfeiting patterns and sensor devices.

The present application relates to the technical field of drilling and milling equipment, and particularly relates to switchable double-station drilling and milling equipment and a control method thereof. The switchable double-station drilling and milling equipment comprises a first moving mechanism, the first moving mechanism comprises a first screw rod, a first nut and a sleeve, the first nut can rotate relative to the first screw rod and can move along a second direction relative to the first screw rod. A guide block is arranged on the outer peripheral wall surface of the first nut, a first spiral groove is formed on the inner peripheral wall surface of the sleeve, and the guide block can extend into the first spiral groove and rotate with the first spiral groove. The switchable double-station drilling and milling equipment of the present application is matched by setting a machine base, a moving base, a first moving mechanism and a machining platform, the transmission relationship of the first nut, the first screw rod and the sleeve is adjusted by changing the rotating speed of the first nut, and the collaborative operation of precise machining feeding and rapid station switching is realized.

This invention provides an ultrasonic therapy device and its handle extraction sensing device. The handle extraction sensing device includes a storage bracket and a handle. The storage bracket has a storage limiting cavity extending through the height of the storage bracket. The handle is detachably inserted into the storage limiting cavity. A magnet assembly is mounted on the storage bracket, arranged circumferentially around the storage limiting cavity. The central angle of the magnet assembly around the storage limiting cavity is between 170° and 360°. The handle contains a control module and two magnetic sensing elements, located on opposite sides of the handle. The magnetic sensing elements are electrically connected to the control module. When the handle is placed in the storage limiting cavity, the magnet assembly surrounds at least one magnetic sensing element. The ultrasonic therapy device equipped with this handle extraction sensing device eliminates the need for user adjustment of the handle's position and offers high detection accuracy.

The utility model discloses a split type circuit breaker propelling mechanism, which comprises a propelling mechanism body and a position switch structure which are arranged separately, the propelling mechanism body comprises a screw rod, a screw rod frame, an interlocking square rod, and a gasket, a limiting sleeve, a limiting bracket, a crank arm and a compression spring which are sequentially arranged on the interlocking square rod in a sleeving manner; the bottoms of the crank arm and the compression spring are fixed on the interlocking square rod, and the interlocking square rod can rotate by 90 degrees; a boss is arranged at the bottom of the limiting sleeve and used for limiting the limiting support, the boss and the bottom of the compression spring are sleeved with the two ends of the limiting support respectively, and a middle connecting part of the limiting support is fixed to a breaker handcart frame; the position switch structure comprises a test position switch and a working position switch which are arranged side by side in the same direction, and a front end push plate of the test position switch or the working position switch is opposite to the crank arm. The position switch does not need to be integrally installed with the propulsion mechanism body, the appearance and the installation size can be different, and only the position switch installation plate and the limit need to be finely adjusted.

The utility model discloses a metal plate stamping forming composite processing device. Metal plate stamping forming composite processing device is fixedly arranged with frame and processing groove on the processing table, and the base in processing groove is rotatably installed with the roller cylinder of lifting seat, and the roller cylinder outside mounting seat installs the stamping head and the die cavity respectively, and the top die plate supported by the spring in the die cavity is convenient for stripping, through the design of multiple stamping heads and die cavities on the roller cylinder, the stamping shape can be switched without disassembling, the problem that the traditional device die replacement is complicated is solved, the switching time is greatly shortened, the driving assembly ensures that the upper roller cylinder and lower roller cylinder rotate synchronously, simultaneously adapts the lifting action of lifting seat, guarantees transmission stability and stamping accuracy, realizes the roller cylinder accurate switching station through intermittent transmission design, ensures that the stamping head and die cavity are accurately aligned, improves the reliability of shape switching, and the automatic feeding structure reduces manual intervention, and the one-way motion design of the dialing plate guarantees the continuous conveying of the plate, and improves production continuity.

The invention provides a doped concentration gradient ternary precursor, a positive electrode material and a preparation method of the positive electrode material. The ternary precursor is prepared by a method of controlling the proportion of nickel, cobalt and manganese in stages and uniformly doping yttrium element. Based on the total mole of three metal elements of nickel, cobalt and manganese in the inner core of the ternary precursor, Ni in the inner core is greater than or equal to 80 mol%; and Mn in the shell is greater than or equal to 30 mol% based on the total mole of three metal elements of nickel, cobalt and manganese in the shell of the ternary precursor. The positive electrode material is obtained by uniformly mixing and sintering the ternary precursor and lithium salt.

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 embodiment of the application discloses a kind of day and night mode switching method, device, equipment and medium of camera.Therein, the method comprises: based on principal component analysis method, at least two target principal components are determined according to the historical data of multiple candidate parameters;Wherein, the historical data is determined according to historical image photographed by camera, and the target principal component includes the principal component coefficient corresponding to each candidate parameter;The day and night weight of the target principal component is determined according to the historical data;The day and night mode corresponding to the to-be-tested data of the candidate parameter is determined according to the to-be-tested data and historical data, the target principal component and corresponding day and night weight;Wherein, the to-be-tested data is determined according to to-be-tested image photographed by the camera.This technical solution can consider multiple day and night mode influencing factors simultaneously, realize the accurate switching of camera day and night mode, effectively reduce the influence of environmental change, and improve the applicability of day and night mode switching method.

The application relates to the field of unmanned aerial vehicle technology characterized by special purposes, in particular to an autonomous cruise type intelligent high-altitude cleaning unmanned aerial vehicle device, which comprises an unmanned aerial vehicle body and a temporary storage part arranged below the unmanned aerial vehicle body, a spraying assembly is arranged at the front end of the temporary storage part, the bottom of the temporary storage part is communicated with a water pump, a buffer assembly is further arranged at the front end of the temporary storage part, and the spraying assembly is connected with the temporary storage part through the buffer assembly; a multi-axis adjusting part is arranged at the bottom of the unmanned aerial vehicle body, the temporary storage part is connected with the unmanned aerial vehicle body through the multi-axis adjusting part, and a plurality of rotors are arranged on the unmanned aerial vehicle body; through the primary buffer of the telescopic pipe and the multi-stage buffer of the buffer cylinder system, a complete external energy buffer system is constructed, the reverse impact force generated during the work of the spray gun is effectively offset by the kinetic energy provided by the ground high-pressure water pump, the limitation of the traditional high-altitude cleaning unmanned aerial vehicle depending on the adjustment of the rotor or the internal spring buffer is changed, and the endurance of the unmanned aerial vehicle is remarkably improved.