32results about How to "Implement mode switching" patented technology

The invention discloses a packaging box shock attenuation system for transportation working condition changes of a spacecraft. The packaging box shock attenuation system mainly comprises a lower bottom plate, a middle plate, an upper portion frame, air springs, weighing sensors, supporting devices, an adapter, a control device and an inflation device. The lower bottom plate supports the middle plate through the air springs. The middle plate supports the upper portion frame through the supporting devices or at least three weighing sensors. The weighing sensors are electrically connected with the control device and feed initial weights of the adapter of the spacecraft, the spacecraft and a transmission plate back to a control system. The control system changes the intensity of pressure of gases in the air springs by controlling the inflation amount of the inflation device so as to change the rigidity of the air springs. By means of the packaging box shock attenuation system for the transportation working condition changes of the spacecraft, the overall rigidity of the shock attenuation system can be adjusted intelligently, and mode switching among different transportation working conditions can be rapidly achieved.

The invention discloses a USB (universal serial bus) interface mode switching device and an intelligent terminal, and belongs to the field of the computer. The USB interface mode switching device is applied to the intelligent terminal. The intelligent terminal comprises a chip set, an external USB interface and an internal USB unit. The USB interface mode switching device comprises a switching circuit, a USB concentrator and a control module. The switching circuit comprises two input terminals and two output terminals, the two input terminals are respectively connected with two USB interfaces of the chip set, the two output terminals are respectively connected with the external USB interface and the USB concentrator, and the USB concentrator is connected with at least one internal USB unit. The control module is used for detecting fine-definition multimedia interface signals or intelligent terminal modes, and controls the switching circuit to connect the chip set with the external USB interface and the USB concentrator according to the detection result, or connects the external USB interface with the USB concentrator.

The invention discloses a method and system for power driving of an electric automobile, and the electric automobile. The electric automobile comprises a low-rotation-speed and high-torque motor, a high-rotation-speed and low-torque motor, a first reducer and a second reducer, wherein the low-rotation-speed and high-torque motor is connected to the first reducer by a first clutch, and the high-rotation-speed and low-torque motor is connected to the second reducer by the second clutch. The method for the power driving comprises the steps that a current driving working condition of the electric automobile is determined; and working states of the first clutch and the second clutch are controlled, so power output of the electric automobile is matched with the current driving working condition. According to the method, system and automobile disclosed by the invention, the clutches are disposed between the motors and the reducers, so an overload protection function is provided; difficulty of integration technologies of the motors and the reducers is reduced; the motors and the reducers can be dismounted and repaired separately; and problems that power cannot be interrupted and motor replacement operations are cumbersome under extreme working conditions of the related electric automobile can be solved.

The invention discloses a somatosensory remote-control device mode switching method. The method includes the following steps: a, determining whether the turning angle of a somatosensory remote-control device is within a preset angle range or not by a main controller, if not, maintaining a somatosensory application mode of the somatosensory remote-control device; if yes, freezing the somatosensory application mode of the somatosensory remote-control device, and continuing a step b; b, detecting whether a touch event occurs at a touch sensor or not by the main controller, if yes, switching into a common operation mode, and if not, entering the somatosensory application mode. Compared with existing mode switching methods, the somatosensory remote-control device mode switching method has the advantages that mode switching of the somatosensory remote-control device is realized by combining equipment posture conversion with touching, so that mode switching can be realized quickly, switching accuracy is high, tedious operation and confirmation processes are reduced, and user experience and interactivity are greatly improved.

The invention discloses a display mode switching method. The method comprises the following steps: acquiring a shielding detection result of a screen which is a certain distance away from a touch screen of a terminal; and controlling a client running on the terminal to execute a switching operation when the detection result indicates that the area of a shielding object which is a certain distance away from the touch screen exceeds a preset area value and the dwell time of the shielding object of which the area exceeds the preset area value within the certain distance exceeds a preset time value, wherein in the switching operation, the client switches a current display mode to a corresponding display mode. The invention also discloses a display mode switching device and a terminal. Through adoption of the method, the device and the terminal in the embodiment of the invention, rapid switching of display modes of application software on a mobile terminal can be realized.

The invention relates to a voltage stabilization and power distribution control system for equipment of the whole of an autonomous car, wherein the input interface of a circuit control system is connected to a battery 1, and the battery 1 is connected to a generator of a power supply system; the output interface of the circuit control system is connected with an electric load of an original car through a fuse F1 in a series connection; the anode of a battery 2 is connected to the anode of an original power supply control circuit through a fuse F2 and a diode D1 in the series connection, and the cathode of the battery 2 is connected to the GND of the original power supply control circuit; the output interface of the battery 2 is connected to a voltage stabilization and power distribution control module for an unmanned system load; the voltage stabilization and power distribution control module for the unmanned system load processes a voltage stabilization for 24 V electricity input, and then respectively supplies the 24 V electricity to a 24 V voltage stabilization electric load, a 12 V voltage stabilization electric load and a voltage stabilization and power distribution module of a controller; and after being processed by the voltage stabilization and power distribution module of the controller, the 24 V electricity is output to a power distribution control module of a drive mechanism. The voltage stabilization and power distribution control system for the equipment of the whole of the autonomous car provides the power supply for the various equipment with which the autonomous car is equipped, and realizes the construction of a power supply system in the process of transforming a traditional car to the autonomous car.

The invention discloses a variable structure combined LLC resonant converter. The converter comprises a direct current source, a square wave generator, a combined resonance circuit, a combined transformer, a combined rectification filter circuit and a load, wherein the combined resonance circuit includes a first LLC resonance circuit and a second LLC resonance circuit; the combined transformer includes a first transformer and a second transformer; the direct-current source is connected with the square-wave generator; the square-wave generator is connected with the combined resonance circuit, the combined resonance circuit is connected with a primary side of the combined transformer, and a secondary side of the combined transformer is connected with the combined rectification filter circuit; and the combined rectification filter circuit is connected with the load. According to the variable structure combined LLC resonant converter, four working modes can be combined and converted, a gain range of the converter can be widened, stable output can be guaranteed through mode transition, conduction losses are not increased due to the added rectifying device, and the advantages of the LLCresonant converter are reserved.

The invention discloses a multi-input multi-output beamforming system and a data sending method thereof, and the method comprises the following steps: the acquiring step: acquiring channel quality information (CQI) of the multi-input multi-output beamforming system; the determining step: determining that space diversity beamforming mode or space multiplexing beamforming mode is better according to the CQI; and the switching step: switching the existing data sending way to the better space diversity beamforming mode or the space multiplexing beamforming mode. By selecting the space diversity beamforming mode or the space multiplexing beamforming mode according to the CQI, the switching to the space diversity beamforming mode or the space multiplexing beamforming mode is further realized, so that the space diversity beamforming mode and the space multiplexing beamforming mode are effectively combined, and the performances of the system are improved to the greatest extent.

The invention relates to a multi-mode series-parallel mechanical arm based on a movement bifurcation mechanism. The multi-mode series-parallel mechanical arm based on the movement bifurcation mechanism comprises an end executor, an arm and a parallel connection base seat which are connected in sequence, wherein the arm is an eight-pole and single-ring movement bifurcation mechanism, and comprisestwo arm branch chains which are symmetrically arranged, two ends of one arm branch chain are respectively movably connected with two ends of the other arm branch chain so as to form a single-ring andclosed-chain structure, each arm branch chain comprises four connection rods which are movably connected in sequence, the parallel connection base seat is a double-rotational-freedom space parallel mechanism, and a mode switching mechanism used for achieving series connection and parallel connection switching of the two arm branch chains is installed on the parallel connection base seat. Comparedwith the prior art, the multi-mode series-parallel mechanical arm based on the movement bifurcation mechanism has the advantages of being high in work efficiency, small in structure dimension, and high in overall stability.

The invention discloses a stage projection lamp having a dual-color wheel system. The stage projection lamp is composed of a convergence assembly, a light splitting assembly, a trimming assembly, a reflection and refraction assembly, a prism system, a digital micromirror component and a projection lens that are arranged successively along a light source propagation direction. The convergence component is used for converging light emitted by the light source into parallel light; the light splitting assembly is used for filtering RBG three-primary-color light periodically; the trimming assemblyis used for realizing light homogenization; the reflection and refraction assembly is used for light reflection and refraction; the digital micromirror component is used for reflecting light to a prism system and projecting light in the projection lens, and carrying out imaging under the effect of the projection lens; and the projection lens is sued for enlarging the image and projecting the processed image on a target object. The light splitting assembly is a dual-color wheel system and consists of a first color wheel and a second color wheel that work independently, so that the switching ofthe projection modes is realized. The light output quantity in a special mode can reach 55% to 60% of original effective light to enable the luminous efficacy to be 2 to 2.5 times of the ordinary-projection-mode projector, so that the luminous efficacy is enhanced significantly.

The invention relates to a latent series capacitor compensation device. The latent series capacitor compensation device comprises a capacitor bank, an overvoltage protection device, a damping device and a bypass circuit breaker. The capacitor bank and the damping device are serially connected and then parallelly connected with the voltage protection device and the bypass circuit breaker; the capacitor bank and the damping device are connected with a power transmission line through a mode switching device Q1 and a mode switching device Q2 respectively; the latent series capacitor compensation device can be independently used as a conventional series compensation device or a latent series compensation device in a power system, or two or more latent series capacitor compensation devices can be used cooperatively. The latent series capacitor compensation device integrates functions of conventional series compensation and latent series compensation and can be used no matter the line is in normal operation or in fault.

The embodiment of the invention provides a multimode switching method and system for an intelligent product. The method comprises the steps as follows: resources of one or more modes are stored into backend equipment; frontend equipment collects input information of a user and transmits the input information to the backend equipment; the backend equipment identifies the input information and selects the resource of one corresponding mode according to the identification result; the backend equipment transmits the resource of the selected mode to the frontend equipment; and the frontend equipment displays the resource to the user. By adopting the multimode switching method and system, intelligent switching of the intelligent product between a general mode and a children mode can be achieved,thereby improving the effect of using the intelligent product by children.

The invention relates to a portable comfort detection device for temperature and humidity in a carriage of a train. The portable comfort detection device for temperature and humidity in the carriage of the train consists of a temperature and humidity measurement module, a singlechip control module, a display module, an extension interface module, an RS232 (recommend standard 232) interface and a power supply module which are connected in sequence. The temperature and humidity measurement module is an integrated temperature and humidity sensor, wherein a humidity sensitive capacitor is used as a humidity detection part and a high-precision platinum resistor PT1000 is used as a temperature sensitive element. The output signal is sent to the singlechip to be processed after being subjected to A / D (analog-to-digital) conversion. The display module adopts an LCD (liquid crystal display) for simultaneously displaying temperature and humidity; a clock chip for displaying time in real time and automatically (starting / stopping) a data storage function at an appointment time is internally provided; the maximum value and the minimum value are measured; the extension interface module can fulfill the functions of multi-path measurement, multi-path display, serial port / parallel port transmission, mode switching and the like; the RS232 interface can communicated with a PC (personal computer) for data transmission and processing; and the power supply module consists of 6 AAA batteries for uninterruptedly supplying power for about 200 hours.

The invention discloses a mode switch adjustment device. The mode switching adjustment device includes a moving part, a first connecting rod and a second connecting rod that are respectively movably connected with the moving part, and the other end of the second connecting rod is also movably connected with the first fixed part; The first connecting rod is movably connected to drive the first connecting rod to move; the second driving part is movably connected to the moving part to drive the moving part to move, and the second driving part is also pivotally connected to the second fixing part so as to rotate around the pivot connection point Rotation; wherein, the first link and the second link are located in parallel planes, and the two lengths are equal; if the first drive adjusts the first link and the second link to be in a parallel state, the second drive The moving part is driven to move in translation; if the first driving part adjusts the first connecting rod and the second connecting rod to be at an angle to each other, the second driving part drives the moving part to move obliquely. The present invention also provides a power-assisted toilet chair using the mode switch adjustment device.

The invention discloses a control method and control device of a flyback converter. The switching control of a first working mode and a second working mode is carried out through input voltage detection or input voltage detection and output power detection; quasi-resonance switching-on of a primary side main power switch tube and synchronous rectification of a secondary side switch rectification unit are realized under low input voltage, and zero-voltage switching-on of the primary side main power switch tube and synchronous rectification of the secondary side switch rectification unit are realized under high input voltage or above a certain load under the high input voltage. The control method and control device realize simplicity in control and are low in circuit cost and can well balance low cost and high efficiency in a high-frequency application occasion.

The invention provides a control method and a control device of a flyback converter. The flyback converter is judged to work in a first working mode or a second working mode by detecting an input voltage signal or detecting the input voltage signal and output power. Through mode switching, according to different input voltages or different input voltages and output loads, cost and efficiency under a high-frequency application occasion can be taken into consideration, and compared with a traditional flyback mode, the scheme has the advantages that an active clamping tube of a primary side is reduced, so that cost is reduced; and meanwhile, quasi-resonance control can be realized under low input voltage, and ZVS can be realized under high input voltage and different output powers, so that the switching loss is reduced, and the efficiency is improved.

The invention discloses a mode switching control method and a bathing device using the mode switching control method. The method comprises the steps: performing a water flow detection step: detectinga water flow on-off signal; performing a processing step: judging the water flow on-off frequency in a preset duration interval according to the water flow on-off signal; and performing a mode switching step: when the water flow on-off frequency in the preset duration interval meets the requirement, outputting a mode switching instruction to realizing switching between at least two operation modes. A user can open or close the water valve to realize on / off of the water flow; a water flow detection module detects a water flow on-off signal, a control module judges the water flow on-off frequency in a preset duration interval according to the water flow on-off signal, then a control signal is obtained, switching of operation modes is controlled, and the operation module is controlled to operate based on the different operation modes. The operation is easy and convenient.

The invention relates to the technical field of display, and discloses a display system and method. The system comprises at least one display unit, wherein each display unit comprises a first projector and a second projector which are provided with an interlocking mechanism respectively, as well as a crossing alignment which is used for connecting the two projectors; the crossing alignment is used for indicating the states of the projectors; and the projectors are used for jumping modes according to the states of the projector and the adjacent projector indicated by the crossing alignment. By utilizing the display system and method, the real-time performance and reliability of a system display image can be improved.

The invention relates to a latent series capacitor compensation device. The latent series capacitor compensation device comprises a capacitor bank, an overvoltage protection device, a damping device and a bypass circuit breaker. The capacitor bank and the damping device are serially connected and then parallelly connected with the voltage protection device and the bypass circuit breaker; the capacitor bank and the damping device are connected with a power transmission line through a mode switching device Q1 and a mode switching device Q2 respectively; the latent series capacitor compensation device can be independently used as a conventional series compensation device or a latent series compensation device in a power system, or two or more latent series capacitor compensation devices can be used cooperatively. The latent series capacitor compensation device integrates functions of conventional series compensation and latent series compensation and can be used no matter the line is in normal operation or in fault.

The invention provides a method, device and system for detecting skew of an unmanned aerial vehicle. The method comprises the steps that after the unmanned aerial vehicle is powered on, controlling the unmanned aerial vehicle to hover at a fixed point in a position mode; after the unmanned aerial vehicle successfully hovers at a fixed point, controlling the unmanned aerial vehicle to be switched from a position mode to an attitude mode; when the unmanned aerial vehicle is kept for a preset first duration in the attitude mode, obtaining the current horizontal speed of the unmanned aerial vehicle; judging whether the current horizontal speed of the unmanned aerial vehicle is greater than a preset horizontal speed threshold value or not; if yes, determining that the unmanned aerial vehicle has the skew problem, otherwise, determining that the unmanned aerial vehicle does not have the skew problem, or sending the current horizontal speed of the unmanned aerial vehicle to a ground control station of the unmanned aerial vehicle, and judging whether the unmanned aerial vehicle has the skew problem or not by the ground control station according to the current horizontal speed of the unmanned aerial vehicle. Whether the unmanned aerial vehicle is inclined or not can be automatically and accurately detected.

The invention discloses a heat exchange system of a battery swap station and a heat exchange control method. A ventilation channel of the heat exchange system only extends in the longitudinal direction, the heat exchange system is provided with an air inlet formed in the middle of the ventilation channel, a first air outlet and a second air outlet, the first air outlet and the second air outlet are formed in the two ends of the ventilation channel, and the air inlet communicates with a heat dissipation device of a charger. A first ventilating duct is connected between the air inlet and the first air outlet, a second ventilating duct is connected between the air inlet and the second air outlet, air flowing through the first ventilating duct is exhausted to the outside of the battery swap station through the first air outlet so as to cool a charging bin, and air flowing through the second ventilating duct is exhausted into the charging bin through the second air outlet and is used for heating the charging bin; and the heat exchange system can selectively close the first ventilating duct and the second ventilating duct through valves. The heat exchange system provided by the embodiment of the invention can realize the mode switching of the battery swap station under different working conditions.

The invention discloses a closed-loop aircraft fuel tank airborne inerting system. The system comprises an oil tank, the gas outlet of the oil tank is connected with the inlet of a condenser through apipeline, and the gas outlet of the condenser is sequentially connected with a first flame arrester, a gas dryer, a first flow sensor, a gas compressor and the gas inlet of an electric pressure regulating valve through pipelines. The gas outlet of the electric pressure regulating valve is sequentially connected with a first heat exchanger, a first pressure sensor and a first temperature sensor through pipelines, and the other end of the first temperature sensor is connected with the inlet of a first electric stop valve and the inlet of a second electric stop valve. An outlet pipeline of the first electric stop valve is connected with the inlet of a conventional hollow fiber membrane separator, and an outlet pipeline of the second electric stop valve is connected with the inlet of an emergency hollow fiber membrane separator. According to the present invention, the compensation loss increase caused by the engine bleed air can be avoided, the system weight and size are small, the inerting requirements under different working conditions are met, mode switching is achieved, and the system work is more intelligent.

The invention relates to an ONU self-adaptive switching method of a PON network, comprising the steps of: obtaining the current PON mode of the ONU; configuring an error counter and initializing it to 0; detecting whether an optical fiber is inserted; if it is detected that the optical fiber is not inserted, resetting the error counter Set to 0; if it is detected that the optical fiber has been inserted, judge whether the current value of the error counter is greater than the predetermined value; if the current value of the error counter is greater than the predetermined value, then switch the PON mode and restart the device. The invention can automatically detect the network mode of the central office, and automatically switch the working mode of the ONU according to the network mode, so as to automatically adapt to the hardware requirements of the current network mode.

The rocket engine turnover mechanism comprises supporting columns, a fixing frame, rotating shafts, shifting blocks and a driving device, the supporting columns are symmetrically arranged at the two opposite ends of the fixing frame, the fixing frame is used for fixing a rocket engine, the rotating shafts are arranged on the side faces, close to the supporting columns, of the fixing frame, and the rotating shafts abut against the supporting columns; the fixing frame can rotate around the rotating shaft, the driving device is fixedly installed on one supporting column, a shifting block is arranged on the side, close to the driving device, of the fixing frame, and the driving device is selectively in transmission connection with the shifting block and can drive the fixing frame to rotate around the rotating shaft. According to the turnover mechanism, the fixing frame can be conveniently detached and adjusted, and therefore the turnover mechanism can be suitable for turnover operation of engines of different models.

The invention discloses a packaging box shock attenuation system for transportation working condition changes of a spacecraft. The packaging box shock attenuation system mainly comprises a lower bottom plate, a middle plate, an upper portion frame, air springs, weighing sensors, supporting devices, an adapter, a control device and an inflation device. The lower bottom plate supports the middle plate through the air springs. The middle plate supports the upper portion frame through the supporting devices or at least three weighing sensors. The weighing sensors are electrically connected with the control device and feed initial weights of the adapter of the spacecraft, the spacecraft and a transmission plate back to a control system. The control system changes the intensity of pressure of gases in the air springs by controlling the inflation amount of the inflation device so as to change the rigidity of the air springs. By means of the packaging box shock attenuation system for the transportation working condition changes of the spacecraft, the overall rigidity of the shock attenuation system can be adjusted intelligently, and mode switching among different transportation working conditions can be rapidly achieved.

The invention relates to a voltage stabilization and power distribution control system for equipment of the whole of an autonomous car, wherein the input interface of a circuit control system is connected to a battery 1, and the battery 1 is connected to a generator of a power supply system; the output interface of the circuit control system is connected with an electric load of an original car through a fuse F1 in a series connection; the anode of a battery 2 is connected to the anode of an original power supply control circuit through a fuse F2 and a diode D1 in the series connection, and the cathode of the battery 2 is connected to the GND of the original power supply control circuit; the output interface of the battery 2 is connected to a voltage stabilization and power distribution control module for an unmanned system load; the voltage stabilization and power distribution control module for the unmanned system load processes a voltage stabilization for 24 V electricity input, and then respectively supplies the 24 V electricity to a 24 V voltage stabilization electric load, a 12 V voltage stabilization electric load and a voltage stabilization and power distribution module of a controller; and after being processed by the voltage stabilization and power distribution module of the controller, the 24 V electricity is output to a power distribution control module of a drive mechanism. The voltage stabilization and power distribution control system for the equipment of the whole of the autonomous car provides the power supply for the various equipment with which the autonomous car is equipped, and realizes the construction of a power supply system in the process of transforming a traditional car to the autonomous car.

The invention discloses a USB (universal serial bus) interface mode switching device and an intelligent terminal, and belongs to the field of the computer. The USB interface mode switching device is applied to the intelligent terminal. The intelligent terminal comprises a chip set, an external USB interface and an internal USB unit. The USB interface mode switching device comprises a switching circuit, a USB concentrator and a control module. The switching circuit comprises two input terminals and two output terminals, the two input terminals are respectively connected with two USB interfaces of the chip set, the two output terminals are respectively connected with the external USB interface and the USB concentrator, and the USB concentrator is connected with at least one internal USB unit. The control module is used for detecting fine-definition multimedia interface signals or intelligent terminal modes, and controls the switching circuit to connect the chip set with the external USB interface and the USB concentrator according to the detection result, or connects the external USB interface with the USB concentrator.

The invention discloses a variable structure combined LLC resonant converter. The converter includes a DC source, a square wave generator, a combined resonant circuit, a combined transformer, a combined rectifier filter circuit, and a load. The combined resonant circuit includes a first LLC resonant circuit and a second LLC resonant circuit; the combined transformer includes a first transformer and a second LLC resonant circuit. Two transformers; the DC source is connected with the square wave generator; the square wave generator is connected with the combined resonant circuit, the combined resonant circuit is connected with the primary side of the combined transformer, and the secondary side of the combined transformer is connected with the combined rectification and filtering circuit; the combined rectification and filtering circuit is connected with the combined rectification and filtering circuit connected to the load. The variable structure combined LLC resonant converter of the present invention can combine and convert four operating modes, which can broaden the gain range of the converter, and the mode transition can ensure stable output. The added rectifier does not increase the conduction loss, and the LLC resonance is retained. Advantages of converters.