66results about How to "Easy to expand and upgrade" patented technology

An underwater short-distance high-speed wireless optical information transparent transmission device comprises a transmitting module and a receiving module, wherein the transmitting module sequentially comprises an LED modulation drive circuit, a blue-green mixed LED array, a transmitting light path, a beam expanding mirror and a homogenizing piece in the direction of an electrical signal to be transmitted, and the receiving module sequentially comprises a large-view-field receiving light path, a light filter, a Fresnel lens, a photoelectric detector and a photoelectric detection conditioning circuit. The underwater short-distance high-speed information transparent transmission problem can be solved, the lake, river and ocean environment application requirements are met, and the underwater short-distance high-speed wireless optical information transparent transmission device is especially suitable for connection of multiple sensors at deep position under the ocean, underwater data collection, ROV data interaction and continuous communication occasions for water surface platforms and underwater devices and has important significance in the ocean application field.

The invention discloses a power domain control system for an electric car. The power domain control system for the electric car comprises a power domain controller, a battery pack information acquisition system, a motor control system and other auxiliary devices; wherein the power domain controller integrates whole car control and battery management functions; the battery pack information acquisition system realizes battery pack information acquisition and high-pressure contactor drive functions, and comprises a high-pressure management module and a unit information acquisition module; and thepower domain controller is in communication with a motor controller through a power controller area network (CAN) bus, is in communication with an instrument and other domain controllers of the car through a whole car CAN bus, is in communication with a quick charging pile through a quick charging CAN bus, and is in communication with the battery pack information acquisition system and a chargerthrough a battery intranet CAN bus. According to the power domain control system for the electric car provided by the invention, the power domain system becomes three parts, namely, the domain controller, the battery pack information acquisition system and a motor drive system, so that the integration level of power domain software is improved, the design of the battery pack system is simplified,and the structure of the power domain system is optimized.

The invention discloses an automatic panel production line. The automatic panel production line comprises a cutting device, an edge sealing device and a packaging device which are arranged in the panel machining direction, an automatic panel carrying device is arranged between each upstream machining device and the corresponding downstream machining device and comprises a panel conveyed-out area, a storage guide rail, a storage location area, a stock removal guide rail and a panel conveyed-in area; roller conveying machines are arranged in the panel conveyed-out areas and the panel conveyed-in areas respectively; a plurality of roller conveying machines are arranged in the storage location areas and are arranged to be in at least one row; two conveying trolleys are arranged on the storage guide rails and the stock removal guide rails respectively and are each provided with a traveling motor, a rotary encoder and a roller conveying machine; each roller conveying machine is provided with a drum motor, and a photoelectric sensor used for panel in-place detection is arranged at the output end of each roller conveying machine. The device further comprises a master controller which is electrically connected with drum motors, the photoelectric sensors, the traveling motors and the rotary encoders. The automatic panel production line is reasonable in design; the automatic panel carrying devices are introduced, so that the manpower is released, and the yield and the production safety performance are improved.

The invention discloses a family intelligent terminal system which employs the embedded technology. Functions of network access, control and video decoding are integrated in an Ethernet over Coax (EOC) head end so as to realize a home intelligent gateway, the control of each terminal can and bear functions of three nets fusion businesses, such as VOIP (voice over internet protocol), IPTV( internet protocol television) and the like. There are interfaces for home security. A plurality of wired and wireless accesses, family comprehensive information managements and a multimedia processing center are formed. Many services can be provided for consumers, such as entertainment, information and intelligent control for extensible household electrical appliances.

The invention discloses a novel photovoltaic power optimization control system. According to the photovoltaic power optimization control system, a layered and area-divided system structure is adopted, inverters and related equipment are divided into a plurality of areas, all the inverters in each area are connected with a corresponding second-stage controller through a corresponding second-stage switch, and the second-stage controllers are connected to a workstation and a first-stage controller through a first-stage switch; thus, the inverters of different areas can receive instructions simultaneously, the control cycle can be remarkably shortened, the control efficiency is increased, and the advantages are obvious when the photovoltaic power optimization control system is applied to photovoltaic power station projects with the capacity of 100MW or more; during the capacity-expansion upgrading of a photovoltaic power station, the capacity-expansion inverters can be divided into one or more areas, and the capacity-expansion upgrading can be realized by only increasing corresponding second-stage controllers without changing or even repealing the prior system structure and equipment. The photovoltaic power optimization control system has the advantages that the capacity-expansion upgrading of the photovoltaic power station can be carried out conveniently, the time/cost for the capacity-expansion upgrading can be effectively shortened/reduced, the progress of the projects is greatly increased, and the quality of the projects is greatly improved.

The invention relates to a control circuit module using DSP as core and several intelligent control algorithms. The hardware includes DSP processing unit, CPLD, FLASH memory, AD converter, DA converter, FIFO memory, and CAN bus communication module. It has high efficiency and strong processing ability. The controller also has plural control algorithms to realize real time controlling. It is convenient to expand the control algorithms to realize different control target. It has the advantages of high integration, variable control method, good university, low power consumption, etc.

The invention discloses a method for designing an open type fused EOC. The open type fused EOC comprises a high-frequency submodule, a low-frequency submodule, an ONU submodule and the like. An IP data signal is modulated into a high-frequency signal and a low-frequency signal through the high-frequency submodule and the low-frequency submodule respectively after entering an open type fused EOC device through the ONU submodule, and the high-frequency signal, the low-frequency signal and a CATV signal are transmitted to a user side through the same cable. The open type fused EOC integrates the technical advantages of a high-frequency module, a low-frequency module and other modules, and fuses high-frequency technical standards and low-frequency technical standards, as a result, equipment cost is reduced, the access bandwidth is increased, the number of access users is increased, design work at an earlier stage and project implementation difficulty at a middle stage are reduced, operation and maintenance management, expansion and upgrading at a later stage are facilitated, and the open type fused EOC is applicable to the situation that distance between a photoreceiver and a user is different and other complex HFC network environments.

The invention relates to an asynchronous task processing method for realizing stable high throughput based on kafka. An asynchronous task mode based on kafka is adopted; in the processing mechanism for asynchronous tasks, a management thread is adopted to monitor various activity conditions of the working thread and is combined with the timing task to output the execution condition of the asynchronous task according to the frequency of the monitoring interval time; a timeout task processing mechanism and an abnormal task processing mechanism are provided, the monitoring task consumption situation, the statistics task execution time and the task completion detail situation are increased, parameters can be optimized and adjusted through the statistics situation, statistical information can be written into a log, and a user can analyze the performance through the log. According to the invention, the coupling of the system to the service system can be greatly reduced.

The invention discloses an intelligent power distribution and utilization flexible control system. The intelligent power distribution and utilization flexible control system comprises a transformer, a three-phase rectifier, at least one single-phase inverter and at least one three-phase inverter. The three-phase rectifier converts a three-phase alternating current produced by the transformer into a direct current which is output to the inverters, the single-phase inverters convert the direct current into single-phase alternating currents with adjustable frequency and amplitude, and the three-phase inverters convert the direct current into three-phase alternating currents with adjustable frequency and amplitude. According to the intelligent power distribution and utilization flexible control system, the method that the three-phase alternating current is rectified and then inverted is adopted, the problem that a great deal of single-phase electric equipment is directly connected to a power supply grid to cause three-phase unbalance is solved, damage to power transmission and distribution equipment and the electric equipment is reduced, and reliability, economical efficiency and power quality of power supply are improved. Besides, the intelligent power distribution and utilization flexible control system achieves clear work division of modules, is easy to design, build and maintain, operates easily, and achieves convenient system expansion and upgrading.

The invention discloses a phased array radar TR component power supply. The invention aims to provide the TR component power supply which is high in reliability, high in integration level, convenientto install, maintain as well as upgrade and expand; according to the technical scheme, power supply modules (8) with arch-shaped handles at the front ends are arranged in module channels of a power supply machine box bottom plate (4) side by side in a ranks mode through rectangular windows arranged in a linear array configuration mode through a power supply machine box front panel (1), the tail ends with connectors are inserted into module blind-plug connectors (13), the module blind-plug connectors (13) are connected to power input and output connectors (12) fixed on power supply machine boxrear panels (5) through connecting back plates (7), and are used for outputting a direct-current power supply; one end of a main control panel (9) is connected with a man-machine interaction panel (10) through a high-speed arranging cable, and the other end of the main control panel (9) is connected with the power supply modules (8) inserted in the module blind-plug connectors (13) through the connecting back plates (7), and reliable and stable conversion from one path of high-voltage alternating-current power supply to multi-path low-voltage direct-current power supply is completed.

The invention discloses a ground crew virtual teaching system based on aircraft model driving, and belongs to the technical field of aviation virtual training. The ground crew virtual teaching system includes virtual aircraft integration and a user interaction system. The virtual aircraft integration is used to reflect the actual operation status of an aircraft. The user interaction system includes a virtual cockpit, a dynamic schematic diagram module, a three-dimensional aircraft module and training teaching materials. The virtual cockpit simulates all the control and display devices in a cockpit by modeling, and sends input signals to the virtual aircraft integration. The virtual aircraft integration responds and generates output signals. The dynamic schematic diagram module displays a relationship among various components in an aircraft system according to the output signals. In the invention, the real system model of the aircraft is used for driving, the interface state of the aircraft system is in real accord with that of the aircraft, new subjects can be successfully added only by simple connection to the system model interface, the ground crew training effect is greatly improved and the cost is low.

The invention relates to a portable machining and observation integrated micro-miniature numerical control electric erosion machining machine tool, belongs to the field of numerical control machine tools and aims at solving the problems that the size of the existing electric erosion machining machine tool is large and the existing electric erosion machining machine tool cannot be used for field video teaching demonstration. The portable machining and observation integrated micro-miniature numerical control electric erosion machining machine tool comprises a micro-miniature machine tool body structure, a servo feeding mechanism, a servo actuating mechanism, an elastic element and an electric control box, wherein the micro-miniature machine tool body structure comprises a portable light-weight transverse beam, a stand column, a workbench, a working fluid tank, a guide rail and a sliding block; the servo feeding mechanism comprises a linear stepping motor and a non-rigid connecting bulb; the servo actuating mechanism comprises a rotating motor, an electrode chuck and a rotating motor fixing rack; the electric control box is used for providing pulse voltage to the electrode chuck, detecting interpolar voltage between an electrode clamped by the electrode chuck and a device to be machined in the working fluid tank and controlling the linear stepping motor. The portable machining and observation integrated micro-miniature numerical control electric erosion machining machine tool is used in the electric machining field.

The invention discloses a method and a device for obtaining a single board ID and a single board. In the invention, a single board to be identified obtains an ID itself; the single board to be identified sends the ID to an external processing system via a communication interface therebetween; the external processing system extracts the ID of the single board to be identified via the communication interface. The invention reduces the waste of external pin of the device and facilitates the implementation of the service and the extensive update of the device.

The invention discloses a rotating mechanical equipment virtual assembly model and method based on context awareness. A virtual assembly task is decomposed into an assembly knowledge layer, an assembly decision-making layer and a user control layer. The layers are endowed with different responsibilities. The virtual assembly model is defined for the assembly knowledge layer for containing assembly knowledge and assembly semantics to achieve contextualization of virtual assembly. Each part of the decision-making layer is regarded as an independent Agent, communication templates and decision-making rules between the Agents are defined according to the characteristics of the virtual assembly process, and user guide regularization is achieved. Through an offline clustering algorithm, the position and orientation of a user under a specific assembly situation are predicted, and time spent on adjusting a camera by the user is shortened. Compared with an existing assembly sensing technology, the model and method have the advantages that the assembly model is low in weight, interaction intelligence is achieved, and the interaction efficiency is high, and the assembly process can be customized to guide user operation.

The invention relates to a wireless vision test device and method based on ZigBee, and is used for testing vision by a single tester. The device comprises a mobile phone test terminal, a ZigBee node, a ZigBee coordinator and a vision test PC machine, which are sequentially connected, wherein the mobile phone test terminal comprises a touch screen, a mobile phone processor and bluetooth, which are sequentially connected; the ZigBee node comprises a ZigBee processing module, and a bluetooth module, a ZigBee terminal module and a display screen which are respectively connected with the ZigBee processing module; the bluetooth module is connected with the bluetooth, and the ZigBee terminal module is connected with the ZigBee coordinator. Compared with the prior art, the device has the advantages of being convenient to use, easy to expand and update, great in preventive effect, low in energy consumption and the like.

A modularized blue light optical storage mechanical property apparatus uses modularized design, comprising laser modulation module, control demodulation module, photoelectric testing module, light spot scanning module and observation micro module. The invention can do static and quasi-dynamic to storage characteristic of blue light optical storage material, using modulation and demodulation technique to eliminate environmental perturbance and millimicron light spot scanning method to increase accuracy of measuring point, with the properties of easy expansion and upgrade, convenient maintenance and high accuracy.

The invention provides a receiving-wave-adjustable optical module for fibers to the tome. The receiving-wave-adjustable optical module is provided with a base (1), an upper cover (4) and an optical signal selecting subassembly, wherein the optical signal selecting subassembly is positioned between the base (1) and the upper cover (4), is used for selecting optical signals with different wavelengths in the same fiber, and consists of a PCB (printed circuit board) and a fiber base pin aligning sleeve head (11); the fiber base pin aligning sleeve head (11) is used for aligning a fiber LC base pin and a PIN-TIA tube (7); a micro lens (5) and an adjustable filter (6) are sequentially arranged in the fiber base pin aligning sleeve head (11) from left to right; and a control circuit on the PCB (9) is respectively connected with a PIN tube (15) and a TIA tube (16) through gold wires. By using the receiving-wave-adjustable optical module for the fibers to the home, the transmission capacity and the transmission speed of a whole passive optical network based on wavelength division multiplexing are increased. The receiving-wave-adjustable optical module for the fibers to the home has the advantages that the optical module is low in cost and convenient to use, and is compatible with the existing optical receiving module.

The invention relates to plant cell microspheres and particularly discloses plant cell microspheres and use thereof. The plant cell microspheres are characterized by being processed and manufactured on the basis of plant protoplasts, plant cells and plant sporopollen or pollen, wherein the protoplast-derived plant cell microspheres contain matrix, matrix channels, middle cavities, internal spheres and external pendants; the cell-derived plant cell microspheres contain outer walls, matrix, matrix channels, middle cavities, internal spheres and external pendants; and the sporopollen-derived plant cell microspheres contain outer walls, inner walls, matrix, matrix channels, middle cavities, internal spheres and external pendants. The plant cell microspheres of the invention can conduct sustained-release, controlled-release and other physical and chemical functions, and can naturally degrade after being used.

The invention relates to the technical field of optical fiber communication, and provides an ultra-high-density modular optical fiber distribution frame system comprising an optical fiber distributionframe and a functional module, wherein a box is formed in the optical fiber distribution frame, and a functional module is installed in the box; the optical fiber distribution frame comprises a plurality of chute modules and a plurality of pallets; the respective chute modules are fixed in the front area of the box, and a plurality of chutes superimposed at levels are arranged on the sides; eachof the pallets is fixed with a plurality of cable management handles to form module pallet assemblies, which slide into and out of the box through the cable management handles; side grooves are provided on the sides of the cable management handles, and the functional module is pushed into the module pallet assemblies along the side grooves; elastic limit edges are provided on the cable managementhandles, and support the functional module when pushing the functional module into the module pallet assemblies. In the ultra-high-density modular optical fiber distribution frame system provided by the invention, the respective module pallet assemblies can be moved into and out of the box body by sliding, and the functional module slides into the pallet, which is more convenient and flexible to disassemble. The ultra-high-density modular optical fiber distribution frame system is compact in structure and low in space occupation rate, and realizes ultra-high density.