12results about How to "Good switching effect" patented technology

The invention provides an image drawing method, system, device and medium for realizing port remote control console system device switching, and belongs to the technical field of image processing, and the method comprises the following steps: developing an SCADA engine based on an SKIA underlying engine, introducing a device interface, a user interface and a thread pool, and configuring double buffer areas; an SCADA engine is initialized, and equipment with the use frequency exceeding a threshold value is preloaded and stored in the background; the method comprises the following steps: generating an interactive interface on a remote control console, acquiring input information through the interactive interface, switching equipment according to the input information and rendering the switched interactive interface, using double buffer areas and multiple threads in the rendering process, and automatically updating the change of equipment information through responsive programming after rendering is completed. According to the method, the switching efficiency is improved by applying the method to the hybrid switching of the automatic modification of the wharf, the switching effect is good, the flexibility and the efficiency of the wharf operation are improved, and the change and the requirement of the wharf service are better adapted.

The utility model provides a novel switching device for an electric actuator, which comprises a main shaft in transmission connection with an output shaft in the electric actuator, a plurality of guide grooves formed in the side part of the main shaft in an array manner, and clutches arranged in the guide grooves in a sliding manner, a connecting sleeve I is rotationally arranged at one end of the main shaft, and a hand wheel is connected to one end of the connecting sleeve I; a second connecting sleeve is rotationally arranged on the side portion of the main shaft, a worm wheel in transmission connection with a motor in the electric actuator is arranged on one side of the second connecting sleeve, and the clutch is separately connected with the other side of the first connecting sleeve and the other side of the second connecting sleeve. According to the novel switching device for the electric actuator, due to the arrangement of the first lubricating groove and the second lubricating groove, more lubricating oil is filled between the guide block of the clutch and the guide groove of the main shaft, the lubricating effect is better, clamping stagnation is not prone to occurring when the operation mode is switched, switching between the manual mode and the automatic mode is more flexible, and the switching efficiency is improved. And the switching effect of the electric actuator is better.

The invention relates to a display panel and a display device. The display panel includes: a substrate; the light-emitting element layer is located on one side of the substrate, and the light-emitting element layer comprises a plurality of light-emitting elements; the color film layer is located on the side, away from the substrate, of the light-emitting element layer, the color film layer comprises a plurality of color resistance structures corresponding to the light-emitting elements and a plurality of shading structures located on the peripheries of the color resistance structures, the color film layer further comprises a plurality of peep-proof structures, each peep-proof structure has a first form and a second form, and the first form is different from the second form; the display panel comprises a shared display mode and a peep-proof display mode, the peep-proof structure is in a first form in the shared display mode, and the peep-proof structure is in a second form in the peep-proof display mode; the display panel and the display device with the shared display and peep-proof display switching function are simple in structure and better in switching effect.

The invention provides a system for reducing the voltage harmonic distortion of an off-grid inverter, and the system comprises an extended state observation unit, a linear control law unit, a disturbance compensation unit, and a three-dimensional space vector modulation unit. The off-grid voltage and the preset expected voltage of the inverter topology circuit are input into the expansion state observation unit, the linear control law unit and the disturbance compensation unit to obtain a bridge arm circuit unit comprehensive control signal, and the three-dimensional space vector modulation unit is used for carrying out space vector modulation processing on the bridge arm circuit unit comprehensive control signal. And the bridge arm circuit unit generates an off-grid voltage of the inverter topology circuit through the filter unit under the control of the bridge arm circuit unit switching signal. Errors caused by a topology circuit are reduced through a disturbance compensation correction value, the disturbance compensation unit is responsible for restraining disturbance caused by factors such as load changes, and the system can effectively reduce total harmonic distortion (THD) of output voltage.

The present invention belongs to the field of video conferencing, and discloses an intelligent video conferencing system, including multiple cameras, a computing device, a switching control device, and a microphone device; the microphone device is used to obtain audio data of the voice of the speaker of the conference; the camera is used to shoot the conference scene at a preset shooting angle; the computing device is used to calculate the speech coefficient of the video screen; the switching control device is used to switch the output screen of the video conference to the video shot by the camera at the shooting angle corresponding to the maximum speech coefficient after the previous speaker finishes speaking. The present invention does not need to arrange an additional person responsible for switching the output screen, which reduces the cost of holding a network video conference, thereby realizing the switching of the output screen at a low cost, reducing the probability of the event of untimely output screen switching, and achieving a better switching effect.

This invention provides a method, system, and electronic device for dynamic handover in heterogeneous satellite-ground networks, relating to the field of wireless communication technology. The method includes: collecting core state parameters from the network side, user side, and service side respectively to obtain state parameters related to network handover on the network side, user side, and service side; dynamically associating the state parameters corresponding to the network side, user side, and service side to generate a unified state vector; using a reinforcement learning model, performing dynamic decision optimization based on the unified state vector to obtain satellite-ground handover decision weights; generating a satellite-ground network comprehensive score difference based on the satellite-ground handover decision weights, and determining the network handover target and its decision confidence level based on the satellite-ground network comprehensive score difference; using a Bayesian execution engine, determining the execution parameters of the network handover target based on the decision confidence level, and performing network handover based on the execution parameters. This invention improves the handover performance of heterogeneous satellite-ground networks.

The invention relates to the technical field of remote video transmission, in particular to a low-delay video transmission method and system suitable for a weak signal scene. The method comprises the following steps that a video capturing module is arranged at a robot end and used for capturing video data in real time; a video coding module is arranged at the robot end, and AV1 coding is adopted to code captured video data; a video transmission module is arranged at the robot end, and coded video data are sent to the control station end through P2P tunnel communication; a video receiving module is arranged at the control station and used for receiving video data sent through P2P tunnel communication; a video decoding module is arranged at a control station end and is used for decoding the received video data so as to recover the original video data; and a video display module is arranged at the control station end and is used for displaying the decoded video data. According to the invention, the coding algorithm and the transmission protocol are optimized, so that fast, efficient and low-delay video transmission is realized.

A main and backup power source cross power supply circuit is composed of a power circuit, a power distribution circuit and an instruction circuit, the power circuit is composed of a main power source, a backup power source, a main auxiliary power source and a backup auxiliary power source, and the main auxiliary power source and the backup auxiliary power source are isolated and combined to output VCC; the power distribution circuit is composed of an optocoupler and an MOS tube, one end of the optocoupler is connected with power output, and the other end of the optocoupler is connected with the MOS tube and the instruction control circuit. The MOS tubes form four power supply paths between the main backup power supply and the main backup load through a cross connection mode. The instruction circuit is mainly composed of a relay and receives an instruction signal. And the relay switches the power supply VCC to control the on and off of the MOS tube. The circuit has four power supply states. Through the circuit, the main and backup circuits can alternately supply power to the main and backup loads.

This application provides a feeding device with a three-way valve, including a mill. A three-way valve body is mounted on one side of the mill, and a valve wrench is fixedly mounted on the surface of the three-way valve body. Cylinders are provided on both sides of the three-way valve body, and a connecting mechanism is provided between the cylinders and the valve wrench. A fixing mechanism is provided between the cylinders and the surface of the mill. A solenoid valve is mounted on the surface of the mill, and a communicating mechanism is provided between the solenoid valve and the cylinders. This application achieves automated control of the three-way valve by adding a set of cylinders and cooperating with the communicating mechanism, reducing manual intervention, lowering operational risks and labor intensity. It features simple manufacturing, low cost, strong versatility, convenient maintenance, and good switching effect. After being put into use, it makes feeding into the mill more convenient and faster when starting and stopping the mill. After being put into use, it avoids manual assistance, reducing the labor intensity of employees and reducing operational risks.

This invention discloses a highly stable electrochromic thin film, its preparation method, and its applications. The electrochromic thin film comprises a conductive material and an electrochromic layer. The electrochromic layer is a quasi-planar heterojunction metal oxide with a thickness of 10–1000 nm. The preparation method includes the following steps: fixing the conductive material on a sample holder and placing it in an electron beam cavity; pretreating the conductive material; and then using high-energy ion-assisted electron beam evaporation to deposit the metal oxide onto the conductive material, thereby obtaining the electrochromic thin film. This invention, employing the aforementioned highly stable electrochromic thin film, its preparation method, and its applications, overcomes the trade-off between high stability and ultrafast switching performance with the assistance of high-energy ions, exhibiting significant overall electrochromic performance, including high optical contrast, ultrafast switching speed, and excellent stability.

A semiconductor power device includes an active region including: a drift region of a first conductivity type; the body region of the second conduction type is arranged on the drift region, and the second conduction type is opposite to the first conduction type; the groove is in contact with the body region and the drift region, and the groove comprises a grid electrode conductive region, a grid electrode conductive region and a grid electrode conductive region; a source conductive region, the source conductive region including a first connection portion and a second connection portion, the second portion of the source conductive region being disposed between the gate conductive region and the first portion of the source conductive region; a first insulating region disposed between the source conductive region and a sidewall of the trench; and a second insulating region disposed between the source conductive region and the gate conductive region, and wherein the source conductive region is configured such that a first width of the first insulating region between each of the sidewalls of the trench and the first portion of the source conductive region is greater than the second width of the first insulating region between each of the sidewalls of the trench and the source conductive region a second width between the portions, and wherein the height of the second portion is between 0.05 [mu] m and 1 / 5 of the height of the first portion of the source conductive region.

This application provides a switching circuit for EFO high-voltage ignition and low-voltage detection, including a drive circuit and a reed relay. The drive circuit includes a drive resistor and a current control element. The input terminal of the current control element is connected to the CTRL signal terminal, and the output terminal of the current control element is connected to the input terminal of the reed relay. The reed relay includes a switch, which, driven by the drive circuit, is used to switch between the high-voltage ignition terminal and the low-voltage detection terminal. This invention, through the design of the drive circuit and the reed relay, achieves free switching between the high-voltage ignition terminal and the low-voltage detection terminal, with good switching effect, eliminating the need for a mercury relay and significantly saving costs.