403results about How to "High level of integration" patented technology

Light incoupling structures for lighting applications, such as lightguides. The incoupling structures include an optically substantially transparent medium for transporting light emitted by a light source and an optical element including at least one hole in the medium for coupling light together with optional further optical elements. A lighting element includes a light source with related integrated optics.

The technological process of treating papermaking effluent for reuse based on membrane integrating technique has membrane bioreactor, continuous membrane filter and reverse osmosis unit integrated for high efficiency treatment of papermaking effluent. The papermaking effluent treating process includes drum filtering and flocculating deposition to eliminate most suspended matter and colloid matter, anaerobic and aerobic biochemical treatment, filtering in membrane separating element, continuous membrane filtering, and treating with reverse osmosis membrane to reach the papermaking water standard. The present invention is especially suitable for treating hard-to-treat papermaking effluent.

The invention discloses an ejector for soil deep placement. The ejector comprises an airflow conveyer for conveying high-pressure jet airflow, wherein an airflow channel and a fertilizer channel for feeding a fertilizer are arranged in the airflow conveyer; the airflow channel is in a venturi structure; a fertilizer outlet of the fertilizer channel is communicated with a shrinkage area of the airflow channel; and the airflow conveyer is used for conveying the high-pressure jet airflow. The airflow channel is in the venturi structure, and can play an accelerating role in the flowing airflow; meanwhile, the fertilizer channel and the fertilizer outlet of the fertilizer channel are communicated with the shrinkage area of the airflow channel; and negative-pressure material suction is formed on a powder fertilizer by the high-pressure jet airflow flowing through the airflow channel, so that the powder fertilizer is mixed with the high-pressure je airflow in the airflow channel to enter soil along with the high-pressure je airflow, and thus the target of the deep placement is reached.

The invention relates to a self-illumination display pixel. The self-illumination display pixel comprises a self-illumination circuit; the self-illumination circuit comprises a self-illumination device; the self-illumination display pixel further comprises an optical fingerprint sensing circuit; the optical fingerprint sensing circuit comprises a first TFT device and a photosensitive device; and a channel layer of the first TFT device is just below the photosensitive device. By means of the self-illumination display pixel, a fingerprint sensing function can be realized; and furthermore, the integral structure is optimized.

The invention discloses a multi-scale integrated cell impedance sensor for detecting the behavior of single cells and cell groups. Four interdigital electrode arrays are symmetrically distributed on an insulated substrate, and the edge parts of the insulated substrate are distributed with connection pads; a bus of each interdigital electrode array is respectively connected with the corresponding connection pad through a lead; microelectrodes are correspondingly distributed on at least an opening of the bus of each interdigital electrode array, and each microelectrode is connected with the corresponding connection pad through a lead; a culture container is provided with four culture cavities respectively matched with the areas where the four interdigital electrode arrays are positioned; a top cover is provided with four cavity covers respectively matched with the four culture cavities; the connection pads on the insulated substrate are connected with a PCB board; the four culture cavities of the culture container are respectively and correspondingly fixed on the areas where the four interdigital electrode arrays are positioned; and the four cavity covers are respectively and correspondingly arranged in the four culture cavities. The sensor not only improves the integration degree, but also can simultaneously detect the behavior of the single cells and the cell groups.

The invention discloses a flexible display device and a control method thereof. The flexible display device comprises a flexible display panel, a shell and a position detection system. The flexible display panel is provided with a display zone and a non-display zone. The shell forms a containing space, the flexible display panel can be stored in the shell in a first direction, and the flexible display panel stored in the shell can be unfolded to the outside of the shell in the first direction. The flexible display panel further comprises at least one optical sensor set, and each optical sensor set comprises multiple optical sensors arranged in the first direction. The position detection system comprises optical sensor sets and is used for identifying the area of the part, unfolded to the outside of the shell, of the display zone according to signals of the optical sensor sets. According to the flexible display device and the control method thereof, the area of the part, unfolded to the outside of the shell, of the display zone can be identified, and thus diversified use demands of users are met.

The invention belongs to the measurement technical field of atmosphere environment quality, which specifically relates to an online automatic measuring system for environment air quality based on low-temperature condensing method sampling. The system is composed of a low-temperature condensing sampling system and an analyzing system; the low-temperature condensing sampling system comprises a drying pipe, an electronic cold trap and a low-temperature low trap that are connected in turn; the drying pipe is connected with an air inlet pipeline for removing vapor and condensing the environment air sample at low temperature; the analyzing system comprises a light source, a sampling battery, an optical spectrum instrument and a computer; the analyzing system splits and detects the air condensed by the sampling system through the optical spectrum instrument by the ultraviolet function from the light source and then analyzes the air by the computer. The system is high in integrated degree and measuring efficiency, which is suitable for continuous, real-time and online measurement of various pollutants of atmosphere environment (including sulfur dioxide, nitrogen dioxide, ozone, ammonia, formaldehyde and part of benzene series) in environment air.

The invention discloses solar silicon wafer two-in-one automatic loading and unloading equipment, which is characterized in that a loading module and an unloading module are respectively located at two sides of a lifting platform, a transferring module is arranged above a discharging port of the loading module and a feeding port of the unloading module, the lifting platform is butted with a feeding and discharging end of main equipment along a Y moving direction of a carrier plate, the discharging port of the loading module and the feeding port of the unloading module respectively correspond to two sides in the X-direction of the feeding and discharging end of the main equipment; the lifting platform comprises an upper discharging station and a lower feeding station, the upper discharging station is butted with the discharging port above the feeding and discharging end of the main equipment in the Y-direction, and the lower feeding station is butted with the feeding port below the feeding and discharging end of the main equipment in the Y-direction; the unloading module comprises CCD detection module, an eliminating device and a lamination structure; and the lamination structure enables dropped silicon wafers to be neatly stacked by using a principle of automatic positioning of an oblique plane, thereby enabling the silicon wafer to be directly stacked into a block shape so as to be convenient for being directly packaged and transported, and greatly improving the product packaging efficiency.

The invention relates to an intelligent monitoring and early warning system for campus security guarantee, and belongs to the technical field of security guarantee. The system comprises a central management and control scheduling system, a plurality of intermediate management and control scheduling systems and a campus management and control scheduling system, and all the management and control dispatching systems are connected with one another through the internet. The central and intermediate management and control scheduling systems each comprise a data switch, a decoder, a server, a management and control platform and an application terminal. The servers and the management and control platforms are connected with the internet through the decoders and the data switches, and the application terminals are connected with the management and control platforms. The campus management and control scheduling system comprises a data switch, a decoder, a server, a management and control platform, an application terminal, an entrance guard system, a monitoring system, an alarm system, a tour inspection system, a student dynamic monitoring system and a training exercise system; all the systems are connected with a campus server and a campus management and control platform through a campus data transmission network. The system has the advantages of being wide in security monitoring coverage, high in system integration degree, multifunctional, intelligent, capable of achieving multi-level supervision and fast responding and the like.

The invention relates to a robot embedded computing terminal integrated with high precision navigation positioning and deep learning. The embedded computing terminal is characterized by comprising a core processing unit Jetson chip, an FPGA chip, an embedded ARM module and multiple types of sensors which are integrated, wherein the sensors comprise a GNSS satellite navigation module, an IMU inertial navigation module, a laser radar device and a camera, the core processing unit Jetson chip is connected with the camera and the laser radar device, the FPGA chip is connected with the GNSS satellite navigation module, the IMU inertial navigation module and the embedded ARM module, and the embedded ARM module is connected with a servo motor of a control robot. The embedded computing terminal isadvantaged in that realization of the real-time high-precision positioning result solution can be supported, and environment sensing and mission planning of the robot are realized.

The invention is applicable to the technical field of wearable equipment, and provides a headset noise reduction method and device. The headset noise reduction method includes the steps that noise signals of the environment are collected through a headset microphone; noise signals or noise values corresponding to the noise signals are sent to a connected terminal; a judgment result returned by the terminal is received, and a noise reduction function is started or stopped according to the judgment result. The headset noise reduction method and device resolve the problems in the prior art that a key or shifting switch for adjusting noise reduction needs to be arranged on a headset, high integration of the headset is affected, and the noise reduction function can not be started or stopped in time. The headset noise reduction method and device have the advantages that on one hand, a manufacturer does not need to arrange the key or shifting switch for adjusting noise reduction on the headset; on the other hand, automatic noise reduction is realized, the noise reduction function is started or closed in time on the premise of not needing the key or shifting switch on the headset, and therefore the integration degree and endurance of the headset are improved.

The invention discloses a dynamic measurement system for the blade tip clearance and relates to the technical field of engines. The dynamic measurement system for the blade tip clearance comprises a capacitive sensor and a capacitive sensor signal-processing structure. The capacitance sensor is arranged on the casing of an engine. The induction terminal of the capacitive sensor is lower than the inner surface of the casing of the engine. A to-be-measured blade tip clearance is formed between the inner surface of the casing of the engine and a blade tip. The rotor of the engine is in normal operation. The to-be-measured blade tip clearance is dynamically changing. The capacitive sensor transmits an induction signal to the capacitive sensor signal-processing structure. The capacitive sensor signal-processing structure is used for processing the signal transmitted from the capacitive sensor. The system is simple and compact in structure, and the measurement of the system is realized in the non-contact mode. Therefore, the interference of the system on the jet flow field of the engine is reduced. The requirement of the on-line dynamic measurement on the blade tip clearance of the engine can be met.

The disclosed digital visible walkie-talkie applied 2.4G public frequency band comprises: a power circuit, a speech process circuit with a microphone and loudspeaker and a speech coding/decoding circuit, a video process circuit included a display device and a COMS camera both connected with CPU, a CPU, a RF transmitting-receiving circuit with a 2.4G frequency band transmitting-receiving chip and peripheral circuit to connect with CPU, and an antenna. This invention can transfer both speech and video information simultaneously for high quality multimedia effect with low cost, and fit to spread in large scale.

The invention discloses a pressing module for testing drawing force of a keycap and a test machine for the drawing force of the keycap. The pressing module comprises a pressing board, a pressing board cylinder, and a pressing board driver, which are connected in sequence from bottom to top, wherein the pressing board is used for pressing a keyboard; the pressing board cylinder is used for driving the pressing board to move up and down in a vertical direction; and the pressing board driver is used for driving the pressing board cylinder and the pressing board together to move in a Y-axial direction in a keyboard plane. The test machine for the drawing force of the keycap comprises: a keyboard placing device for placing and inputting a to-be-measured keyboard; a pressing module for testing drawing force of the keycap for pressing the keyboard, a drawing force measuring head module for measuring the drawing force of the pressed keycap in the keyboard; a telescoping module for hanging the measuring head module and performing interval adjustment; a substrate for fixing the telescoping module; and a driving device for driving the substrate to move along the X-axial, Y-axial, and Z-axial directions. The test machine is high in detection rate, low in misjudgement rate, good in versatility, and low in detection cost, and doesn't generate damage to a good keycap.

The invention relates to an electrocardiosignal processing system. The system is based on an FPGA platform and comprises a preprocessing unit, a wavelet transforming unit, a characteristic extracting unit and a signal processing control unit, wherein the preprocessing unit is used for preprocessing a sampled electrocardiosignal; the wavelet transforming unit is used for performing wavelet decomposition on the preprocessed electrocardiosignal by an adaptive lifting method; the characteristic extracting unit is used for positioning the characteristic position of the electrocardiosignal based on the adaptive lifting method; and the signal processing control unit is used for controlling normal operation of the preprocessing unit, the wavelet transforming unit and the characteristic extracting unit. The characteristic extracting method has high correctness, higher anti-jamming capability and low operation amount. The electrocardiosignal is processed based on the FPGA platform, so real-time signal processing capability can be effectively improved and the defect in the aspect of electrocardiosignal analyzing and processing due to the performance limit of a processor in a conventional electrocardiosignal processing system is overcome. Simultaneously, the system can also meet the requirements of a portable medical apparatus on the integration degree increment, power consumption reduction, system miniaturization and the like.

The invention discloses a large-scale electric vehicle trunking system based on MMC and a control method thereof. The large-scale electric vehicle trunking system is characterized in that three phase elements composed of an electric reactor, an H-bridge module and a sub-module are connected to an alternating current power grid through an LC filter to form a topological structure of the large-scale electric vehicle trunking system based on MMC, virtual electrical charge states are calculated through the initial electrical charge state, user set standing time and expected electrical charge state of each electric vehicle, the sub-module of the electric vehicle corresponding to a driving signal generated by each carrier signal is determined according to the ranking of the virtual electrical charge states, the differentiation control for electric vehicle charging and discharging power connected to the sub-modules according to user requirements is realized, and the control for three-phase power balance and unit power factors on a power grid side is realized. The system is high in integration degree, high in modularization degree, high in efficiency, little in harmonic distortion, low in switching loss and high in fault-tolerant capacity, and independent control for the sub-modules in each-phase bridge arms can be realized.

The invention relates to a high-voltage distribution box based on a vehicle-mounted CAN bus network. The high-voltage distribution box comprises a high-voltage distribution box body, a high-voltage power supply part and a low-voltage control part, wherein the high-voltage distribution box body comprises a high-voltage distribution box housing and an insulating terminal; the high-voltage power supply part comprises a high-voltage connector socket, a copper bar, contactors, a pre-charge resistor, fuses, a maintenance switch and a high-voltage interface; the low-voltage control part comprises a low-voltage wire harness, a high-voltage distribution box control panel and a low-voltage interface. The high-voltage distribution box has the following superior effects: communication with a vehicle control unit is realized by a CAN bus, so that opening/closing of the contactors can be directly controlled; the CAN bus is excellent in anti-interference performance and stability and high in transmission rate; the high-voltage distribution box has the functions of low-voltage protection, overcurrent protection, starting current limitation, insulating detection, switch maintenance, fault code diagnosis, CAN communication and the like, effectively guarantees the vehicle and personal security and ensures normal running of the vehicles.

A digital communications system that can asynchronously map/de-map digital signals from one clock domain to another, while reducing mapping jitter levels and permitting higher levels of integration. The digital communications system includes an asynchronous stuff bit insertion circuit, an asynchronous stuff bit removal circuit, and a communications network connected therebetween. The asynchronous stuff bit insertion circuit includes a first elastic store, a barrel shifter, and a stuffing circuit. The asynchronous stuff bit removal circuit includes a de-stuffing circuit, a second elastic store, and a frequency control path including a phase-locked loop having a variable divider circuit, the operation of which is controlled based on the presence/absence of stuff bits in the data provided to the de-stuffing circuit. By employing the first elastic store for temporary gross data frame storage and the barrel shifter for temporary fine data frame storage to reduce the number of gates in the asynchronous stuff bit insertion circuit, integration levels are increased. Further, by employing the frequency control path in the asynchronous stuff bit removal circuit to recover the clock signal of the first clock domain, mapping jitter levels in the digital communications system are reduced.

The invention relates to a multi-functional multi-channel pyroelectric infrared detector used for gas analysis and fire detection, comprising a detector shell, a filter inlaid on the top surface of the shell, a pyroelectric film arranged on the side wall of the shell, a support used for supporting the pyroelectric film, a detector base forming a closed space with the shell, a circuit board arranged on the base, a platinum wire connected with the pyroelectric film and the circuit board, a curved reflective mirror positioned on the circuit board and a pin inlaid under the circuit board. The multi-channel pyroelectric infrared detector has the advantages of scientific structural design, wide application range, standard packaging, stable performance, high detectivity and high integration degree.

The invention relates to a compound ozone light-catalyzed reaction device. The center of the lower part of the reaction device is provided with an ultraviolet light source, and an ozone reaction chamber and a light-catalyzed reaction chamber are sequentially arranged from the center to the outside of the reaction device; the upper part of the reaction device is provided with a gas-liquid separation chamber; the ozone reaction chamber is separated from the light-catalyzed reaction chamber through quartz glass. The device provided by the invention has the advantages that an ozone oxidation treatment technology and a light-catalyzed treatment technology are combined, and the wastewater ozone and light-catalyzed two-stage advanced oxidation treatment is realized in the same reaction device by sufficiently utilizing the ultraviolet light source on the basis that no ozone sources are additionally provided, so that the treatment efficiency of the device is greatly increased, the treatment cost is reduced, and the device can be popularized and applied to rapid treatment of high-concentration and degradable organic wastewater.

The invention relates to a mixing device for regulating the density of a drilling liquid, which is characterized by comprising a tubular mixing device body, wherein one end of the mixing device body is provided with a drilling liquid inlet and the other end is provided with a mixing liquid outlet, the peripheral direction of the mixing device body is respectively connected with a high-density drilling liquid inlet and a seawater inlet through ports, the centers of the two ports are respectively provided with a nozzle with a quincuncial cross section through throats; and the axes of the two ports are mutually staggered with an angle on the cross section of the mixing device body and arranged eccentric to the exes of the mixing device body. Two groups of high-speed low-pressure fluids sprayed from the two nozzles are mutually staggered and generate shear mixing in a low-speed region of the mixing device body, thus the granularity of the mixed components is reduced and the mixed components are more uniformly mixed. The mixing device has the advantages of high density regulating speed, high regulating precision and good mixing effect, and has better mixing effect special for the mixing of high-viscosity non-Newtonian flow heavy mud and sweater/freshwater.

The invention relates to the field of earphone noise reduction technologies and provides a method and device for controlling noise reduction of an earphone. The method for controlling noise reduction of the earphone includes the steps that a noise signal of the environment is collected through a terminal microphone; the collected noise signal is processed to generate a judgment result; according to the judgment result, the connected earphone is controlled to switch on or switch off a noise reduction function. The method and device for controlling noise reduction of the earphone solve the problems that for an existing earphone noise reduction method, a hardware switch adjusting noise reduction needs to be arranged on the earphone, highly integration of the earphone is not facilitated, and automatic noise reduction can not be achieved. The method and device for controlling noise reduction of the earphone have the advantages that on one hand, a manufacturer does not need to arrange hardware for adjusting noise reduction; on the other hand, automatic noise reduction is achieved, on the premise that the hardware switch on the earphone is not needed, the noise reduction function of the earphone can be automatically switched on or switched off, so the integration degree of the earphone is improved, and the efficiency of noise reduction of the earphone is also improved.