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389results about How to "Switch freely" patented technology

Vehicle transmission control mechanism assembly testing bench

ActiveCN101319964AIt has the function of alarming for excessive gear shiftingSwitch freelyVehicle testingMachine gearing/transmission testingControl systemAutomotive transmission
The invention discloses a test-bed for testing the performances and durability of a shift control mechanism assembly of a vehicle which includes a test-bed body; in the test-bed body, an adjustable mounting adjusting framework with six directions is fixedly arranged at the front end; the shift control mechanism assembly of the vehicle is arranged in the mounting adjusting framework; the output end of the shift control mechanism assembly of the vehicle is connected with a gearbox by selecting and exchanging gearshift lines; the control frame of a PLC control system is arranged on a side wall at the back part in the test-bed body; an air cylinder loading system and a load system are arranged above the test-bed body. The assembly of the test-bed has the following advantages of: 1, being capable of simulating the actual operating condition of the shift control mechanism assembly of the vehicle; 2, being capable of simulating the gear shift and selecting motions on the shift control mechanism assembly of the vehicle; 3, dividing the test-bed controlled by the system into a 'manual' operating mode and an 'automatic' operating mode which can freely and mutually switch; 4, having the function of alarming when the time for gear shift is excessive.
Owner:WUHU WANLIYANG TRANSMISSION CO LTD

Terminal equipment screen, control method and device of terminal equipment screen

The invention discloses a terminal equipment screen, a control method and a control device of the terminal equipment screen. The terminal equipment screen comprises a liquid crystal panel (1), a firstbacklight module (2) and a second backlight module (3) which are sequentially stacked; the liquid crystal panel (1), the first backlight module (2) and the second backlight module (3) are encapsulated into an integrated structure; the first backlight module (2) is used for providing directional light, and the directional light enters the liquid crystal panel (1) along a fixed direction; and the second backlight module (3) is used for providing non-directional light, and the non-directional light enters the liquid crystal panel (1) along an unfixed direction. The terminal equipment screen adopts a double-layer backlight structure, wherein the first backlight module can reduce the light-emitting angle, performs directional light emission and has peep-proof characteristic; and the second backlight module can realize large-angle light emission and does not have peep-proof characteristic. The peep-proof mode and the non-peep-proof mode of the terminal equipment can be freely switched by switching the use of the first backlight module and the second backlight module in the double-layer backlight structure.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Water, land, air and wall type quadruple robot

InactiveCN105730173ASolve the problem of long time and poor flexibilityIncrease flexibilityAircraft convertible vehiclesSupporting systemControl system
The invention discloses a water, land, air and wall type quadruple robot. The water, land, air and wall type quadruple robot comprises a flight system, a wall climbing walking system, an absorbing system, a support system, a floating system and a control system, wherein the flight system is a main body of the robot; the absorbing system and the support system are arranged at the top part of the flight system; the wall climbing walking system is connected with the lower part of the flight system; the floating system is arranged at the bottom part of the wall climbing walking system; the control system is used for controlling the working of the flight system, the wall climbing walking system, the absorbing system, the support system and the floating system to wholly control the robot. The water, land, air and wall type quadruple robot has the beneficial effects that the functions of flight, wall climbing, walking on ground, walking on water, and resting on wall are realized by the cooperation of the flight system, the wall climbing walking system, the absorbing system, the support system and the floating system through the robot, and can be freely switched; the device structure is greatly simplified, the total weight of the robot is reduced, the whole device is more compact, and the climbing capability is stronger.
Owner:JILIN UNIV

IGBT aging state monitoring method and IGBT aging state monitoring device

ActiveCN105911446ATo achieve the purpose of aging state monitoringAvoid impact on normal operationBipolar transistor testingPower flowControl signal
The invention provides an IGBT aging state monitoring method and an IGBT aging state monitoring device. The IGBT aging state monitoring method comprises the steps of outputting a normal voltage through a voltage stabilization chip in a measurement circuit, and when a voltage stabilization chip control signal is in a high level, outputting a driving voltage by the measurement circuit for switching on a to-be-monitored IGBT; setting the voltage stabilization chip control signal to a low level, setting the output voltage of the voltage stabilization chip to zero, and when the gate voltage of the IGBT reduces to an on threshold voltage and the current which flows over the IGBT is zero, making the driving voltage slowly and continuously drop, intercepting a driving voltage waveform which is output from the measurement circuit and a corresponding collector electrode current waveform, obtaining the transmission characteristic curve of the to-be-monitored IGBT; and monitoring the aging state of the to-be-monitored IGBT through utilizing the on threshold voltage and a transconductance of the to-be-monitored IGBT as aging state characteristic quantities, wherein the on threshold voltage and the transconductance are extracted through the transmission characteristic curve. The IGBT aging state monitoring method and the IGBT aging state monitoring device have an advantage of quick and accurate monitoring on the aging state of the IGBT.
Owner:CHONGQING UNIV

Novel normal-pressure room-temperature plasma induced mutation breeding device

The invention relates to a novel normal-pressure room-temperature plasma induced mutation breeding device. The novel normal-pressure room-temperature plasma induced mutation breeding device comprises a sample processing system, a cooling system, a control system and a detection system; the sample processing system comprises a clean working chamber without bioactive contaminants; a step motor and an object stage are arranged in the clean working chamber; the object stage is arranged on the step motor; at least one sterilizing device mounting position is reserved in the inner cavity or on the wall of the clean working chamber; the detection system comprises a gas flow controller, a temperature sensor and a position sensor; and the control system comprises an operating panel and a controller, and the controller is used for controlling the step motor to realize rising and falling or horizontal rotation of the object stage so as to automatically process a plurality of samples. The novel normal-pressure room-temperature plasma induced mutation breeding device is capable of realizing the functions of continuous automatic processing, automatic sterilization, automatic monitoring and control on the samples, and also capable of completing the plasma induced mutation breeding in the normal pressure and room temperature environment at higher efficiency.
Owner:WUXI TMAXTREE BIOTECHNOLOGY CO LTD

Multi-light spectrum palm print identity authentication method and its special-purpose collection instrument

The invention relates to a multi-spectrum palm print ID certification method and special-purpose acquisition recorder; the multi-spectrum palm print image acquisition recorder comprises a digital video camera, a multi-spectrum light source, a light source controller, a communication interface, a computer, an instrument bracket with a base, an instrument housing and a palm placement plane, wherein, the digital video camera and the multi-spectrum light source are vertically mounted on the instrument bracket; the instrument housing is fixed outside the instrument bracket and the palm placement plane, so as to form a camera obscura; the light source controller is arranged on the interior side of the instrument housing; the digital video camera and the light source controller are connected with the computer through the communication interface; the invented instrument can acquire high-quality multi-spectrum palm print images, and has the advantages of real-time acquisition and free switch of light sources, so as to meet the requirements for online identification. The acquisition recorder and identification method provided by the invention can well improve universality and stability, as well as anti-fake property and identification performances of traditional palm print and vein identification systems.
Owner:HARBIN INST OF TECH

On-load detection method and device for intelligent optical fiber electric energy meter in substation

The invention relates to an on-load detection method and an on-load detection device for an intelligent optical fiber electric energy meter in a substation. The method comprises the following steps of: measuring actual field running voltage and actual field running current by using an electronic voltage transformer and an electronic current transformer; outputting a digital signal, and transmitting to a combination unit; processing and allocating the digital signal by using the combination unit, and transmitting to a first optical switch; dividing the output of the first optical switch into two paths, and respectively transmitting to a detected intelligent optical fiber electric energy meter and an intelligent electric energy meter dual-central-processing-unit (CPU) calibration device; dividing the output of the detected intelligent optical fiber electric energy meter in operation into two paths, and respectively connecting to the combination unit and the intelligent electric energy meter dual-CPU calibration device by using a second optical switch; comparing standard electric energy with detected electric energy; and calculating a metering error of the detected intelligent optical fiber electric energy meter to complete the detection of the detected intelligent optical fiber electric energy meter in operation. The invention has the advantages that: the method and the device are convenient, simple, high-efficient, safe and the like.
Owner:STATE GRID HUNAN ELECTRIC POWER CO LTD ELECTRIC POWER SCI RES INST +1

Electric energy and signal synchronous transmission method based on frequency splitting in electric energy wireless transmission

The present invention discloses an electric energy and signal synchronous transmission method based on frequency splitting in an ICPT (Inductively Coupled Power Transfer) system, in the method, a transmission system with a primary side resonance circuit and a secondary side resonance circuit is adopted, a controller in the system selects a time-delay interference parameter according to a digital signal, and forms an output control signal on the reference of a primary side resonance current zero-crossing detection signal for outputting to a drive circuit module, thereby finally achieving the purpose that the system switches between two autonomous stable resonant frequencies according to the digital signal to achieve signal frequency modulation and transmission; in addition, the secondary side resonance circuit is additionally provided with a coupling coil and a signal extraction and recovery module, which can achieve the process of coupling and picking a signal from the secondary side resonance circuit and performing recovery through the signal extraction and recovery module to obtain the digital signal. The electric energy and signal synchronous transmission method of the present invention facilitates high-efficiency transmission of electric energy in the ICPT system while achieving reliable transmission of signals in the case of not changing a topological structure of a main circuit of the ICPT system.
Owner:CENT SOUTH UNIV

Visual camouflaging and hiding equipment

The invention discloses visual camouflaging and hiding equipment which comprises an image acquiring and emitting system and an image display system, wherein the image acquiring and emitting system comprises a lens system, a photosensitive element, an image processor and a wireless signal emitter; the image display system comprises a wireless signal receiver and a display screen; and the display screen covers all or part of the surface of a hidden target. The lens system acquires an image of a surrounding environment, and converts the acquired image into a digital signal through the photosensitive element, and the converted image is emitted through the wireless signal emitter after being processed by the image processor; the image display system receives a wireless signal, and displays the image of the surrounding environment on a corresponding position on the display screen. In addition to visual hiding, the visual camouflaging and hiding equipment further can realize visual camouflaging and is better in hiding effect, and a hiding state and a non-hiding state can be freely switched, so that the visual camouflaging and hiding equipment is easier to realize on engineering; and moreover, image acquisition and image display are completed in two independent systems, and therefore, the visual camouflaging and hiding equipment is easier to realize by virtue of wireless connection, and an image acquisition selecting range is wider.
Owner:HOHAI UNIV

Direct current control device applied to multilevel energy storage system

The invention discloses a direct current control device applied to a multilevel energy storage system. The direct current control device comprises a data acquisition module, a mode and strategy control module, a step-up control module, a step-down control module, a step-up driving module and a step-down driving module, wherein the input end of the data acquisition module is connected with a buck-boost direct current converter, and the output end of the data acquisition module is respectively connected with the mode and strategy control module, the step-up control module and the step-down control module; the mode and strategy control module is respectively connected with the step-up control module and the step-down control module; the step-up control module is connected with the step-up driving module which is connected with the buck-boost direct current converter, and the step-down control module is connected with the step-down driving module which is connected with the buck-boost direct current converter. The direct current control device disclosed by the invention is capable of controlling a main circuit to complete the bidirectional energy flow, and the main circuit can be switched freely between a step-up mode and a step-down mode, so that the stored energy in the battery is safely and reliably fed back to a power grid and the redundant energy in the power grid is stored into the battery.
Owner:XIANGTAN UNIV
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