391results about How to "Switch freely" patented technology

The invention discloses an invasion detecting alarming system based on multi-camera data combination and a detecting method thereof, and belongs to the technical field of video monitoring. The system comprises a common camera, a cloud camera, a zooming wide-angle multi-target tracking system, a PC type hard disk recorder, a control system, a display, a multi-stage alarming processing module and an invader recognizing and treating module. According to the system, an area to be monitored is completely covered with a plurality of cameras; the shot video signals can be digitized and compressed and then transmitted to the control system to recognize an invader and respond to the corresponding alarming level. The system is applicable to scenes or channels with high requirement on safety production, such as a factory area, a tunnel, a warehouse and an airport; the system can perform monitoring and alarming at different conditions.

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.

The invention discloses a method and system for dual-driving and dual-control of automobiles based on steering intervention. An ECU controller receives instructions from a host computer to determine whether steering intervention occurs, and realizes the simultaneous operation or switching of the manual driving mode and the automatic driving mode; When in the state of manual driving mode and automatic driving mode at the same time, it receives the driver's steering wheel to turn the steering wheel and the auxiliary force output by automatic driving to assist the driver in steering manipulation; when in the automatic driving mode, the steering angle The upper computer sends it to the steering controller through the ECU controller, automatically controls the output shaft for steering, reads the feedback value of the rotation angle sensor, and sends the actual rotation angle to the ECU controller. The invention realizes switching between the manual driving controlled by the manual control and the automatic driving controlled by the ECU, and improves the safety of personnel and vehicles in the actual use process.

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.

The invention discloses a WG radio transceiver, comprising a mobile communication module, a communication module of WiFi wireless LAN, a data host, an antenna, a data wire and a driver power source, which implements the technical proposal for monitoring house state in a short distance through smart phones which rely on a WiFi wireless LAN and monitoring house state in a long distance through smart phones which rely on a mobile communication network, and the invention is characterized by real-time and bidirectional information exchange, large communication capacity, good compatibility, strong capacity for resisting disturbance and convenient switch between short-distance control and long-distance control, thus being an ideal smart household controller.

The invention relates to a three-dimensional display device, which comprises a display panel and a light ray guide panel, wherein the light ray guide panel is arranged on the display surface of the display panel; the light ray guide panel is used for guiding parallactic image light rays displayed by the display panel to a predetermined visual field spatial position to realize three-dimensional display; the light ray guide panel is an electrically-controllable lens grating which forms a plurality of lens gratings in different extending directions under electric control; and the distances between the plurality of formed lens gratings and the display panel are consistent. The three-dimensional display device has the advantages of capability of forming three-dimensional display pictures in multiple directions and consistent watching distance.

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.

The invention discloses a coal powder combustion system used in high-moisture type coal oxygen-enriched combustion. With the combustion system, a boiler can be switched between two modes, which are an air combustion mode and an oxygen-enriched combustion mode. According to the system, coal powder is prepared by using a fan coal-mill (4); a blower (11) is started, and the coal powder is delivered in a dry state by using a mixed gas of high-temperature flue gas, low-temperature flue gas and air, such that the combustion system is in an air combustion state. The blower (11) is stopped, and an oxygen producing apparatus (15) is started; the coal powder is delivered in a dry state by using a mixed gas of high-temperature flue gas and low-temperature flue gas, such that the combustion system is in an oxygen-enriched combustion state. Oxygen from the oxygen producing apparatus (15) is divided into two parts. One part is mixed with recycled low-temperature flue gas, and the mixed gas is delivered into a furnace as secondary gas flow. The other part with a form of pure oxygen is delivered into the furnace through a combusting apparatus. Therefore, oxygen for coal powder combustion can be supplemented.

Disclosed is a method for switching playback mode, the method comprising: when a terminal is playing a video and detects the occurrence of an event triggering switching of playback mode, switching to audio playback mode and stopping processing of video data. Also disclosed are a device and terminal for switching playback mode. The solution of the present invention can achieve freedom of real-time switching of video playback mode on a terminal, saving power and increasing standby time.

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.

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.

Functionality and performance of a voltage-controlled oscillator are improved by continuously controlling inductor output by a control signal. Having a first inductor, a current detection circuit that detects current flow to the first inductor, a current source 4 for generating a current signal based on the detected current, and a second inductor to which the current signal is applied, the first inductor and second inductor are disposed to a predetermined magnetically coupled position for setting the inductance of the first inductor as desired.

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.

A thermosyphon device is provided for both cooling and warming (heating) enabling, by a simple structure, the easy installation operation, elimination of the need of adjusting operation, a reduction in manufacturing cost, and an increase in heat transportation efficiency. A large number of circumferentially-formed narrow concave grooves (G) are formed in the inner wall surface (121) of an outer tube (12) and in the outer wall surface (141) of an inner tube (14) facing the working space (S) of a double tube type thermosyphon disposed in the lateral direction. An operating liquid (Q) is evaporated at the evaporating portion of either of the inner wall surface (121) of the outer tube and the outer wall surface (141) of the inner tube and is condensed on the other wall surface while being raised in the circumferential direction of the wall surfaces (121, 141) by a capillary attraction via the narrow recessed grooves (G) to cool or heat the outer area of the outer tube. Depending on whether the surroundings of the outer tube are cooled or heated, a thermal source fluid of refrigerant or heat medium is supplied into the inner tube.

An RF module for multimode-multiband communication includes an RF switch, a GPS communication module, a CDMA communication module, a GSM communication module, a WLAN communication module. The GPS communication module, the CDMA communication module, the GSM communication module and the WLAN communication module are connected the RF switch. The RF switch can switch among the GPS communication module, the CDMA communication module, the GSM communication module and the WLAN communication module to transmit / receive signals correspondingly.

The invention discloses a PWM-wave-controlled electromagnetic relay driving circuit and an implementation method. The electromagnetic relay driving circuit comprises a microprocessor module and a control circuit, wherein the control circuit comprises a driving circuit power supply, an electromagnetic relay, a freewheel diode, a triode and resistors, wherein both ends of a main contact coil of the electromagnetic relay are connected with the freewheel diode in parallel, a negative electrode of the freewheel diode is connected with the driving circuit power supply, a positive electrode of the freewheel diode is connected with a collector of the triode, the driving circuit power supply is subjected to voltage division through the resistors and connected to an A / D port of the microprocessor module, a PWM wave generated by an I / O port of the microprocessor module controls a base of the triode, and an emitter of the triode is grounded through one of the resistors. The PWM-wave-controlled electromagnetic relay driving circuit is simple in structure, saves cost, is fast in operation of the electromagnetic relay, and ensures safe and stable operation.

The present invention provides a machine tool with a workpiece measuring instrument which prevents the workpiece measuring instrument from being affected by chips or cutting heat during non-machining, while enabling a workpiece W to be measured near a machining position. A machine tool has a bed 9 and a cover 3 surrounding a machining area R. Workpiece supporting means 6, machining means 7, and workpiece measuring instrument 31 are provided in the machining area R. Position switching means 32 is provided which moves the workpiece measuring instrument 31 between a position inside the machining area R and a storage position B outside the machining area R. The workpiece supporting means 6 is movable in a lateral direction. The workpiece measuring instrument 31 is movable forward and backward so as to freely switch its position, and measures the workpiece W.

An auto start method and system for Universal Serial Bus (USB) data card. The method includes: when a terminal detects a data card is inserted, judging that the terminal does not install a driver of the data card, and using the default configuration mode to configure the data card and reading the content of the data card to install the driver; otherwise, using the driver of the data card to load the data card. After the PC finishes installing the related driver and software, the data card can directly start by the normal configuration when it is inserted again, therefore, the method can improve the auto start speed of the data card. Which kind of configuration is used to start the data card depends on the static configuration value in the registry, therefore, the performance of the method is reliable.

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.

A dust-free multifunctional cut machine, including a worktable board, a machine case carrying the worktable board, a rod assembly arranged on the top of the worktable board, a frame and a cutting assembly comprising a cutting blade and a motor for driving the cutting blade for rotation, and a dust suction assembly arranged between the output shaft end of the motor and a cutting blade and having a spiral casing and a dust suction vane, wherein, the spiral casing includes a dust suction inlet and a dust exhaust outlet, the rod assembly includes a rod fixture and a slide bracket, the frame is connected with the slide bracket through the frame rotating seat and the frame moves back and forth through the rod with the use of the slide bracket. The dust-free multifunctional saw has three functions including bench sawing, miter sawing and automatic dust collection.

A driving form switching apparatus enabling even a user of wheelchair who cannot freely use limb to easily change over a driving form by single hand self-operation. By using a differential gear mechanism or a combination mechanism comprising pinions and racks, the rotating, tilting and shifting motions of a steering lever are transmitted to two rotating shafts. Drums are directly coupled to the two rotating shafts, and the rotations of the two rotating shafts are transmitted to steering shafts through flexible wires as first connecting means. Also, the steering shafts for wheels are parallel- or cross-connected by second connecting means. Thus, the driving forms of a four-wheel drive vehicle such as back and forth traveling, counter-clockwise turning, clockwise turning, turning on the spot, parallel traveling, stopping and braking, etc, can be switched by a single-hand simple operation.

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.

A method and apparatus for assigning either a public network or a digital communication network to a communication apparatus having a telephone function. The method includes determining whether the public network is available, determining whether a user of the communication apparatus wishes to connect the communication apparatus to the public network, connecting the communication apparatus to the public network when the public network is determined to be available and the user wishes to connect the communication apparatus to the public network, and, otherwise, connecting the communication apparatus to the digital communication network.

A television capable of and a method for changing an output effect based on program types are provided. The television stores a lookup table recording the corresponding relationship between program types and scenario modes and receives a television program signal containing a program type information so as to search the scenario mode corresponding to the program type from the lookup table. Then the television adjusts the output effect, such as an image display effect or an audio output effect based on the searched scenario mode.

The invention belongs to the field of mobile terminals and discloses a mobile terminal network switching method and a mobile terminal. In this embodiment, the mobile terminal network switching method includes detecting a currently operating application of the mobile terminal, detecting whether a music playing program or a video playing program is played online or not when the application is the music playing program or the video playing program, and switching the network connection modes of the mobile terminal according to the current network quality of the mobile terminal. The mobile terminal can freely switch in the Wi-Fi network and the mobile network effectively, and user experience is improved.

The invention discloses an anti-peep device and a display device. The anti-peep device includes a transparent substrate, multiple first electrodes on the substrate, a transparent insulation body on the substrate, and multiple second transparent electrodes which are formed at concave portions of the insulation body and partially surround the first electrodes, wherein the insulation body has the multiple concave portions in one-to-one correspondence with the first electrodes, openings of the concave portions face the substrate, the first electrodes are arranged in the concave portions, the widthof cross sections of the concave portions tapers in a direction away from the substrate, the sealing space is defined among the insulation body, the second electrodes and the substrate, the electrophoretic solution is accommodated in the sealing space, the electrophoretic solution includes reflective charged particles, and the reflective charged particles are suitable for attaching to the secondelectrodes when a first electric field is applied between the first electrodes and the second electrodes. The anti-peep device is advantaged in that the anti-peep effect can be realized, and user experience is improved.

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.

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.

The present invention is electrical stepless speed variator and its driving mode. The electrical stepless speed variator has a planetary sun gear connected to the inner rotor of the double mechanical port motor, a planetary ring gear connected through a clutch to the outer rotor of the motor, the clutch for controlling the connection and disconnection between the outer rotor and the ring gear, the first brake between the ring gear and the casing of the power assembly for braking the ring gear, and the second brake between the engine shaft and the casing of the power assembly for braking the engine. By switching with these two brakes and the clutch, the vehicle may be switched in different driving modes; and controlling the rotation speed of the inner rotor can control the switching of the electrical stepless speed variator in different mixed driving modes.