85results about How to "Switch at will" patented technology

The invention provides a 3D printer. The 3D printer comprises a rail, a printing head, a heating chamber, a nozzle, filament materials and a line changeover seat, wherein a feeding hole and a discharge hole are formed in the line changeover seat; the inside of the line changeover seat is penetrated so as to form a line guide groove; a motor and a driving roller serve as driving parts; the filament materials are adjacently connected with the driving roller; a controller and driven wheels serve as control parts; at least two driven wheels are two; with action of the controller, one of the driven wheels is adjacently connected with or detached from the driving roller. The 3D printer provided by the invention can finish the printing process of multiple filament materials, randomly switches the filament materials, and is simple in structure and low in cost. The invention further provides a method of using the 3D printer.

A basic unit of lithium-ion battery, including: at least two series-connected lithium-ion cells; at least one lithium-ion cell for balance; controllable switches with the same number as the lithium-ion cells; a drive module for the controllable switches; a voltage detection module for detecting a voltage at two ends of the lithium-ion cells; and a controller. The lithium-ion cell for balance is connected in parallel to the lithium-ion cells. The controllable switches control the turn on / off of the connection in parallel between the lithium-ion cell for balance and each of the lithium-ion cells independently. The drive module for the controllable switches and the voltage detection module are connected to the controller. A battery pack including the basic unit of lithium-ion battery and a method for real-time charge / discharge equalizing of the basic unit of lithium-ion battery are also provided.

The present invention provides a videophone realizing method used for a mobile terminal. The mobile terminal comprises a plurality of cameras. The mobile terminal uses a first camera in the plurality of cameras to carry out visual communication. The method is characterized in that the method comprises the following steps of: providing an option used for selectively switching from the first camera to a second camera in the plurality of cameras through an interactive interface; receiving the selection of a user for the option; and switching the visual communication from the first camera to the second camera. The method enables the user to optionally switch cameras during the visual communication.

The invention discloses a video monitoring display method based on a GIS (Geographic Information System) map, and belongs to the field of spliced large-screen display. By adopting the method, monitored video signals can be switched conveniently so as to improve the operating efficiency. The video monitoring display method comprises the following steps: distributing sole first identification to each video point on the map; allowing the monitored video signal corresponding to each video point to be accessed to a large screen, and distributing second identification containing the first identification to each monitored video recording signal, wherein, the second identification is used for showing the name of the place in which each video point is located as well as the number of each video point; on the map, selecting the video point which needs to be displayed, and gating the corresponding monitored video signal according to the second identification of the video point which needs to be displayed; and on the large screen, displaying the monitored video corresponding to the video point which needs to be displayed. The invention further discloses a video monitoring display device based on the GIS map; and by adopting the device, the monitored video can be switched optionally so as to improve the operating efficiency.

The invention discloses a screen locking system with a screen locking theme interface updated and shared in real time and an implementation method. A resource module, a master control module, a loading module, a sharing module, a switching module and a deleting module are arranged, and therefore users can update and share different screen locking theme interface pictures on the screen locking system in real time, the screen locking theme interface can be switched or deleted at will, and the individual requirement of the users can be met.

The invention discloses a multi-motion-mode pipeline outer wall climbing detection robot. The multi-motion-mode pipeline outer wall climbing detection robot is characterized by comprising two circular modules; and the two circular modules are connected with each other through a turnover device so that the two circular modules can realize relative rotations. Each circular module comprises a driving device, a transmission device, a steering device, a camera, a pressure sensor, a control box and so on. The multi-motion-mode pipeline outer wall climbing detection robot has multiple motion modes can realize motions such as linear motion along a pipeline, rotation motion around the pipeline, turnover and so on. The multi-motion-mode pipeline outer wall climbing detection robot can pass through elbow pipes with complicated shapes such as L shapes, T shapes and so on, is able to cross obstacles such as pipeline joints, valves and so on and can realize crossing motion between two pipelines. The multi-motion-mode pipeline outer wall climbing detection robot can adapt to pipeline diameters within a very large range by adjusting the displacement of a linear driver. After various operation tools are mounted on a semicircular frame, works such as maintenance and so on can also be carried out.

The invention provides a display device, which comprises a first display instrument with a transmittance type first display unit and a second display instrument with a second display unit, wherein a first region occupied by the first display unit in the first display instrument and a second region occupied by the second display unit in the second display instrument are partially superposed; when the first display unit is in a light-ray transmittance first state, the second display unit is the display unit of the display device; and when the first display unit is in a light-ray non-transmittance second state, the first display unit is the display unit of the display device. According to the scheme, any one of the first display instrument and the second display instrument can independently display pictures without interference; and a user can randomly switch the two display instruments to adapt to the own requirement.

The invention discloses a five-axis linkage numerical control polishing machine which comprises a machine base and a main shaft and is characterized in that one surface of the main shaft is provided with a polishing head; the other side of the main shaft is provided with a Z-axis feeding platform; an X-axis feeding platform is arranged near the main shaft; the X-axis feeding platform and the Z-axis feeding platform are vertical to each other; the machine base comprises a Y-axis feeding platform, a vertically rotary motor and a working table surface; the Y-axis feeding platform is arranged in the middle of the machine base; the vertically rotary motor is arranged at one side of the machine base; the other side of the machine base is provided with the working table surface; the Y-axis feeding platform is provided with a movable table surface; a horizontally rotary motor is arranged at the lower part of the movable table surface; therefore, the machine has the advantages of high location precision and constant polishing effect; the motor drive can achieve the high rotation speed (10000 rpm to 20000 rpm); the machine can be freely switched between the dry polishing and the wet polishing; and the machine can be used for improving the flexibility of working hours, making up for the deficiency of the prior art, improving the production efficiency and realizing complete numerical control and intelligence.

A system and method is provided for controlling the impedance and current of an off chip driver circuit to match to load driven by the driver and for reducing noise and ringing in the off chip driver circuit. The driver comprises a pull up transistor for switching the output of the driver to a high-voltage, a pull down transistor for switching the output of the driver to a low voltage, a first current mirror transistor coupled to the pull up transistor for controlling the current transmitted to a load connected to the driver when the output of the driver is at the high-voltage, and a second current mirror transistor coupled to the pull down transistor for controlling the current transmitted to the load when the output of the driver is at the low voltage. In addition, the driver may include a first pre-driver providing a gate signal for the pull up transistor having a controlled slew rate and a second pre-driver providing a gate signal for the pull down transistor having a controlled slew rate.

The invention discloses an anchor type interactive platform server scene switching method and device thereof and a server. The anchor type interactive platform server scene switching method is applied to a transcoding server of an anchor interactive platform, and the transcoding server is connected with a scene library. The method comprises the following steps: receiving switching scene information sent by a client, requesting the switching scene information to the scene library; receiving the switching scene information returned by the scene library; fusingthe anchor information and the returned switching scene information and sending to the client, thereby enabling the client to acquire the presentation content after scene switching; or sending the anchor information and the returned switching scene information to the client so as to acquire the presentation content after scene switching after fusion by the client. The scene switching function of the anchor type interactive platform server is implemented, a user can randomly switch the scene, and can switch the scenes of all clients under the anchor platform, thereby improving the user experience.

The invention relates to a live broadcast time shifting system and method based on HLS protocol multi-level management. The system comprises a user terminal and a streaming media server with a fragmentation module and a management module. The fragmentation module receives the current video stream, splits the current video stream according to a preset slicing time length and stores the current video stream in the management module; the management module stores the TS fragments obtained by splitting, deletes the TS fragments which are not within the preset storage days at regular time, and has the live broadcast M3U8, the M3U8 index file and the M3U8 management file; wherein the live broadcast M3U8 index file stores a plurality of latest TS fragment information matched with a preset live broadcast duration; wherein the playback M3U8 index file is internally provided with a plurality of local M3U8 index files which are matched with preset storage days and are used for recording TS fragmentation information obtained by cutting on different dates according to a time sequence; wherein the M3U8 management file records a plurality of pieces of local M3U8 index file information and the starting time and starting serial number information of TS fragments of the local M3U8 index file information, and the management module receives a playback request or live broadcast request information,generates corresponding index file addresses and sends the corresponding index file addresses to the user terminal.

The invention relates to the technical field of optical communication and specifically discloses an OSC (Optical Supervising Channel) optical module with an OTDR (Optical Time Domain Reflectometer)) function and a method for realizing real-time and interruption service detection thereof. The OSC module comprises an OSC receiving end, a BOSA (Bi-Directional Optical Sub-Assembly) as a module sending end, and a laser driver, an OTDR control circuit and a breakpoint detection module which are electrically connected with the BOSA. An optical transmitting laser and an OTDR receiving end are integrated in the BOSA. One end of the OTDR control circuit is electrically connected with a power-off detection module, and the laser driver and the other end of the OTDR control circuit are electrically connected with an MCU. The MCU is in communication connection with an OSC system device through a communication bus. According to the module and the method, two functions of real-time service detection and interruption service detection are integrated and can be switched randomly; real-time detection and positioning can be realized without modifying the OSC system device; a technician does not need to go to the site, the labor cost and time can be greatly reduced, and the module and the method are applicable to industrial large-scale popularization.

The present disclosure discloses a thin film transistor array substrate including an active layer disposed on a base substrate, wherein the active layer includes a first active region and a second active region located in a same structural layer, the first active region has a material comprising poly-silicon, and includes a first channel region, and a first source region and a first drain region that are located at both sides of the first channel region, respectively, the first source region having a first contact layer disposed thereon, the first drain region having a second contact layer disposed thereon, and materials of both the first and second contact layers being boron-doped poly-silicon; and the second active region has a material comprising metal oxide semiconductor, and includes a second channel region and a second source region and a second drain region that are located at both sides of the second channel region, respectively. The present disclosure also discloses a preparing method for the thin film transistor array substrate as mentioned above, and an OLED display device including the array substrate.

The present disclosure provides a single-phase three-wire power control system integrating the electricity of a DC power supply device to an AC power source. The single-phase three-wire power control system comprises a single-phase three-wire inverter, a driving unit, a sampling unit and a processing unit. The single-phase three-wire inverter coupled between the DC power supply device and the AC power source converts a DC voltage of the DC power supply device to an output voltage. The driving unit is coupled to the single-phase three-wire inverter. The sampling unit samples the inductor current of an inductor of the single-phase three-wire inverter. The processing unit which is coupled to the driving unit and the sampling unit controls the single-phase three-wire inverter through the driving unit. The processing unit obtains the duty ratio according to the inductance of the inductor, the total variation of the inductor current, the DC voltage and the output voltage.

The present disclosure provides a single-phase three-wire power control system integrating the electricity of a DC power supply device to an AC power source. The single-phase three-wire power control system comprises a single-phase three-wire inverter, a driving unit, a sampling unit and a processing unit. The single-phase three-wire inverter coupled between the DC power supply device and the AC power source converts a DC voltage of the DC power supply device to an output voltage. The driving unit is coupled to the single-phase three-wire inverter. The sampling unit samples the inductor current of an inductor of the single-phase three-wire inverter. The processing unit which is coupled to the driving unit and the sampling unit controls the single-phase three-wire inverter through the driving unit. The processing unit obtains the duty ratio according to the inductance of the inductor, the total variation of the inductor current, the DC voltage and the output voltage.

A system and method is provided for controlling the impedance and current of an off chip driver circuit to match to load driven by the driver and for reducing noise and ringing in the off chip driver circuit. The driver comprises a pull up transistor for switching the output of the driver to a high-voltage, a pull down transistor for switching the output of the driver to a low voltage, a first current mirror transistor coupled to the pull up transistor for controlling the current transmitted to a load connected to the driver when the output of the driver is at the high-voltage, and a second current mirror transistor coupled to the pull down transistor for controlling the current transmitted to the load when the output of the driver is at the low voltage. In addition, the driver may include a first pre-driver providing a gate signal for the pull up transistor having a controlled slew rate and a second pre-driver providing a gate signal for the pull down transistor having a controlled slew rate.

A basic unit of lithium-ion battery, including: at least two series-connected lithium-ion cells; at least one lithium-ion cell for balance; controllable switches with the same number as the lithium-ion cells; a drive module for the controllable switches; a voltage detection module for detecting a voltage at two ends of the lithium-ion cells; and a controller. The lithium-ion cell for balance is connected in parallel to the lithium-ion cells. The controllable switches control the turn on / off of the connection in parallel between the lithium-ion cell for balance and each of the lithium-ion cells independently. The drive module for the controllable switches and the voltage detection module are connected to the controller. A battery pack including the basic unit of lithium-ion battery and a method for real-time charge / discharge equalizing of the basic unit of lithium-ion battery are also provided.

The invention discloses an automatic palletizing machine. The automatic palletizing machine is provided with a board receiving mechanism mainly composed of a board receiving device, a downward pressing device and temporary board receiving devices symmetrically arranged on two sides of the output end of a conveying mechanism. When the machine is in work, a transmission shaft is driven to rotate bya third driving device, so that a crank connection rod component connected with a rotation shaft drives clamping boards to do reciprocating actions of opening or closing, and thus a board can be accurately clamped, meanwhile the arranged downwards pressing device presses downwards, the board is effectively pressed down and palletized, and the board is prevented from blocking the machine. Therefore, the board receiving mechanism adopted by the invention can accurately carry and effectively level the boards, automatically and orderly palletize the boards, and also can solve the technical problems that the boards cannot be palletized due to the fact that the surfaces of the boards are uneven, and the boards deviates during a conveying process; and palletizing of the boards adopts a way of receiving the boards from the bottom up, so that the machine has the advantages of being good in palletizing effect, prevented from being blocked, not easy to wear and high in security performance.

The invention discloses a moving SCARA type cooperative robot for an isolated ward. The robot comprises a moving chassis, a SCARA mechanical arm and a controller. The moving chassis is provided with atravelling unit, a navigation module, a medicament storage container and a disinfection device. The navigation module assists the travelling unit in driving the moving chassis, the disinfection device can spray a disinfectant, the SCARA mechanical arm is arranged on the top surface of the moving chassis, a jaw module is arranged on the SCARA mechanical arm, the jaw module completes functions of temperature measurement, auscultation, ultrasonic detection and medicament delivery, the controller is arranged in the moving chassis, and comprises a signal processing part, a chassis control part anda mechanical arm control part, the signal processing part can receive and process signals remotely, the chassis and the mechanical arm are controlled to complete corresponding instructions through the chassis control part and the mechanical arm control part, and the signal processing part can further send information remotely. The robot is simple in structure and convenient to use.

A lighting device includes: a DC power source circuit; an output control circuit including a chopping switch to adjust an output current by chopping of the chopping switch; light source switches respectively connected to the light sources; and a control unit for controlling a time period for which a current flows in the light sources. The control unit controls the output control circuit such that an operation period for which the chopping is conducted and a stop period for which the chopping is stopped are repeated alternately and performs switchover of the light source switches to be sequentially and selectively turned on, and the switchover is conducted during the stop period with a time interval from a beginning of the stop period.

A stage control system comprises at least one lamp control module with at least one light device, at least one performance control module and at least one stage effect module, wherein the lamp controlmodule, the performance control module and the stage effect module are connected workably, so that a light effect achieved by light device control by the lamp control module and a stage effect achieved by stage effect module control by the performance control module are synchronous.

The invention discloses a digital hearing-aid with a customizable functioning mode and an implementation method of the digital hearing-aid with the customizable functioning mode. The implementation method includes: (1) a microphone receiving a sound; (2) the sound entering an analog-to-digital conversion device to be converted to a digital signal; (3) on a hearing-aid software, selecting all functions according to needs, wherein the number of hearing-aid channels is an affirmatively chosen item; (4) a digital signal processor, based on digital signal processing (DSP), of the hearing-aid receiving the information of an upper layer checking and matching system and sending the information to a parameter control module; (5) a function management unit receiving the information of the parameter control module to achieve all the selected functions; (6) the signal entering a digital-to-analog conversion device to be reverted to a sound signal; and (7) a receiver receiving the signal and outputting the signal to a patient. All functions can be customized in a personalized mode according to the individual hearing loss situation of the patient and practical needs based on an identical hearing-aid, so that the purpose that various personalized hearing-aids with different functional modules are achieved is achieved, and the using is more economical, flexible and humanized.

The invention discloses a method for monitoring and shooting blind zones during the starting of an automobile. The method is characterized by comprising the following steps that (1) an acquisition terminal is arranged, wherein the acquisition terminal comprises wide-angle cameras and a CMOS (Complementary Metal Oxide Semiconductor) image sensor, which are distributed around the outer side of an automobile body to acquire instant images outside the automobile body; (2) a display terminal is arranged, wherein the display terminal comprises an operation component and a display; (3) a processing terminal is arranged, wherein the processing terminal comprises a DSP (Digital Signal Processor), and the DSP performs information interaction with the acquisition terminal and the display terminal; (4) a power supply of the automobile body is switched on, each terminal is powered on, the wide-angle cameras shoot the instant images on the outer periphery of the automobile body, and transmit video signals in a monitoring area into the DSP, and the DSP performs image cutting and distortion correction processing on the input wide-angle video signals, and transmits the processed image signals to the display terminal for displaying. The invention further discloses a system for monitoring and shooting blind zones during the starting of the automobile.

The invention discloses a shooting bracket used for a digital camera, and relates to the technical field of digital camera accessories. The shooting bracket used for the digital camera comprises a base and a first cylinder, a fixing rod is fixedly installed in the center of the top end of the base, a rotating rod is rotatably connected to the top end of the fixing rod, first clamping grooves are formed in the two sides of an inner cavity of the first cylinder, a second cylinder is slidably arranged in the first cylinder, and the top end of the second cylinder is located at the outside of the first cylinder; a sliding rod is fixedly installed in the center of an inner cavity of the second cylinder, and a fixing plate is fixedly installed on the surface of the sliding rod; and a sliding plate is slidably connected to the position, located below the fixing plate, of the surface of the sliding rod, and a rotating rod is rotatably connected to the bottom end of the sliding plate. By arranging a series of elements in the second cylinder, the digital camera fixed on a placing plate can be fixed and disassembled quickly through the clamping grooves and clamping blocks, so that a user can switch the shooting mode at random with the design, and using for the users is convenient.

The invention relates to the technical field of agricultural equipment and discloses an agricultural peanut turnover, cleaning and beating-off device. The device comprises a base, a water spray row and cutters; the bottom end of a discharging plate is connected with a first collection groove fixed to the tail end of the right side of the base, a top plate which is placed in the front is fixedly mounted at the upper part of the left side of the discharging plate through a bracket, a water tank is fixedly mounted in the middle of the top of the top plate, a peanut seat adopting a rectangular structure is arranged at the top of the left side of the discharging plate, multiple peanut grooves adopting semicircular structures are formed in the upper side of the peanut seat from front to back atequal intervals, and a press rod is arranged on the upper side of the inside of each peanut groove; and a driven gear is fixedly mounted on the front side of a rotating shaft, the lower side of the driven gear is meshed with a driving gear, a second collection groove is formed below the left side of the peanut seat, a transmission plate is arranged on the left side of the top of the second collection groove, and a circle of cutters for cutting off peanut fruits to allow the peanut fruits to fall off are arranged on the outer ring of the middle of the transmission plate.

A lighting device includes: a DC power source circuit; an output control circuit including a chopping switch to adjust an output current by chopping of the chopping switch; light source switches respectively connected to the light sources; and a control unit for controlling a time period for which a current flows in the light sources. The control unit controls the output control circuit such that an operation period for which the chopping is conducted and a stop period for which the chopping is stopped are repeated alternately and performs switchover of the light source switches to be sequentially and selectively turned on, and the switchover is conducted during the stop period with a time interval from a beginning of the stop period.

The embodiment of the invention provides a video data processing method and device, a video playing method and device, a computer readable medium and electronic equipment. The video data processing method comprises the steps of obtaining a first object view angle video for a target activity; receiving each object record file participating in the target activity, wherein each object record file comprises visual angle coordinates and operation information of each object in the target activity process; and obtaining other object view angle videos of the target activity according to the first object view angle video and each object record file. According to the technical scheme provided by the embodiment of the invention, the single-object view angle video of other objects participating in thesame target activity can be restored according to the recorded single-object view angle video of the first object and each object record file, so that the video watching ornamental value is improved.

The invention discloses a smart screen-switching digital photo frame system and an implementation method thereof. The system comprises a remote server, a mobile terminal and a digital photo frame, wherein the remote server is separately in communication connection with the mobile terminal and the digital photo frame, the remote server comprises a platform storage module and a data receiving-transmitting module, a photo frame application program is mounted in the mobile terminal, a communication module and a terminal storage module used for storing electronic pictures are arranged in the mobileterminal, a picture processing unit and a setting unit are arranged in the photo frame application program; a control unit, a display unit, a communication unit and a storage unit are arranged in theelectronic photo frame; the control unit is separately connected with the display unit, the communication unit and the storage unit; and the storage unit is separately connected with the display unitand the communication unit. According to the smart screen-switching digital photo frame system and the implementation method thereof provided by the invention, the user can randomly switch the photoon the photo frame, and can DIY different patterns according to personal preference, so that the photo frame is prevented from being uninteresting.

The invention discloses a multi-type spray head replaceable biological 3D printing device. The multi-type spray head replaceable biological 3D printing device comprises a conveying pipe and a nozzle assembly, wherein the conveying pipe is arranged over a 3D printing platform and comprises a barrel body, a shaft, a motor driving the shaft to rotate, at least two first pressurizing conveying sections, and a pair of pressurizing conveying stirring blades; the nozzle assembly is detachably arranged on the spherical surface of a spherical crown shaped sealing head and comprises a spherical crown shaped supporting shell, an annular slide groove, a pair of arc-shaped slide grooves arranged in a crossed mode, a plurality of arc-shaped plate bodies and a plurality of nozzles. The multi-type spray head replaceable biological 3D printing device can uniformly and smoothly spray biological interstitial fluid high in viscosity and density, and meets the printing requirements of biomedical products.

The invention provides push-pull type vehicle operating equipment for a tramcar to go in and out of a tank. The push-pull type vehicle operating equipment for the tramcar to go in and out of the tankcomprises a back push-pull trolley, a front push-pull trolley, a connecting trolley, a transmission device, a trolley operating rail, a claw pulling and lifting device and a claw pushing and lifting device; the back push-pull trolley, the connecting trolley and the front push-pull trolley are connected sequentially and mutually and move back and forth along the trolley operating rail; the claw pulling and lifting device and the claw pushing and lifting device are arranged in pairs and are positioned under the initial positions of the front push-pull trolley and the back push-pull trolley; anda push-pull claw trolley comprises a double-tumbler push-pull claw. The push-pull type vehicle operating equipment for the tramcar to go in and out of the tank is smart and reliable, simple in mechanism, low in manufacturing cost and convenient to construct and maintain; due to the double-tumbler structure of the push-pull claw trolley, the push claw and the pull claw do not abut against each other; and the push-pull type vehicle operating equipment for the tramcar to go in and out of the tank is suitable for transferring vehicles with rail vehicle transportation systems of mine yard, a loading station, a traffic tunnel and urban underground engineering.