150results about How to "Simple expansion" patented technology

The invention discloses a DCOS cloud management platform based on combination of Mesos and YARN. the Meso is used for managing all resources of a big data cluster; the Messos distributes resources through the resources offers; the scheduler uses the resources to run tasks on a Mesos slave server; the YARN is used for safely managing the Hadoop task; wherein the Mesos can manage resource requests of the YARN, the DCOS cloud management platform is expanded based on the Mesos and the YARN, and the DCOS cloud management platform is composed of application management, container cluster management,mirror image warehouse management, a resource integration assembly, an enterprise safety management system and a third party butt joint integration. According to the invention, the YARN can be elastically used in the shared cluster, so that the YARN is more active and elastic than that in the initial design. The capacity expansion of the whole data center becomes very easy, the Mesos and the YARNare mainly combined with relevant tasks of Hadoop big data for scheduling, the complexity of the scheduling technology is verified, and meanwhile technical support is provided for a DCOS to support big data relevant operation and big data tasks in the future.

The invention relates to an ultra-large capacity time division and wavelength division fiber grating sensing system and a query method of the fiber grating sensing system. The ultra-large capacity time division wavelength division fiber grating sensing system consists of a broadband light source, a modulation module, a circulator, a fiber Bragg grating sensing array, a sampling module, a wavelength demodulation instrument and a data processing computer, wherein the modulation module and the sampling module comprise a SOA high-speed photoelectric switch respectively and are driven by different channels of the same signal generator, and a phase difference exists between two drive pulses; and the fiber Bragg grating sensing array can be composed of identical fiber gratings or multi-wavelength fiber gratings. With the adoption of a technology combining a time division multiplexing with a wavelength division multiplexing, tens of thousands of gratings can be engraved on an optical fiber. The ultra-large capacity time division and wavelength division fiber grating sensing system has characteristics of large system capacity, high response speed, good expandability, high flexibility, good stability, low cost and the like, can perform dynamic measurement and static measurement at the same time, and can satisfactorily meet requirements of internet of things on information capacity.

The invention discloses a multi-carrier code division multiplexing light transmission system and a multi-carrier code division multiplexing light transmission method based on ultra dense wavelength division multiplexing. The system comprises a multi-carrier light source generating part, a modulating part, a multiplexing part, a demultiplexing part, a demodulating part and a signal processing part which are sequentially connected. Firstly, a multi-carrier light source is generated by a single-frequency light source; then the modulating part modulates each branch electric signal onto a corresponding optical carrier; the multiplexing part is used for multiplexing each modulated optical carrier into an optical fiber channel; the demultiplexing part is used for separating each optical carrier in the signals to conduct signal recovery; the demodulating part is used for demodulating each branch signal; and the signal processing part is used for carrying out compensation on the demodulated signals. The method disclosed by the invention is fused with a code division multiplexing technology, a subcarrier modulating and demodulating technology, a wavelength division multiplexing and demultiplexing technology, a subcarrier demodulating technology based on coherent demodulation and the like. The multi-carrier code division multiplexing light transmission system and the multi-carrier code division multiplexing light transmission method based on ultra dense wavelength division multiplexing improve the message capacity of a network system and have the advantages of simpleness for capacity expansion, reliable performance and the like.

The invention provides a garbage compression leachate comprehensive waste water treatment device and technological method. The device comprises a grille, a waste water storage tank, an ultrasonic Electro-Fenton reactor, an intermediate water storage tank, an ultrasonic vibration film reactor and a vortex vibration film filtration system, wherein the grille, the waste water storage tank, the ultrasonic Electro-Fenton reactor, the intermediate water storage tank, the ultrasonic vibration film reactor and the vortex vibration film filtration system are sequentially connected. The device further comprises a sludge dewatering drying pool which is connected with a vortex energy-saving heat pump flash evaporator of the vortex vibration film filtration system and provided with a circuit connected with the ultrasonic vibration film reactor. Waste water sequentially flows through the grille, the waste water storage tank, the ultrasonic Electro-Fenton reactor, the intermediate water storage tank, the ultrasonic vibration film reactor and the vortex vibration film filtration system for redox reactions and filtration. The device is high in operability, high in regeneration cycle use rate and low in operation cost.

The invention consists of a wireless access sub network used to implement wireless access and a management control sub network used to manage and control the wireless access sub network. The method includes following steps: the wireless digital broadcast layer located at upper layer broadcasts synchronizing and control messages to the wideband wireless bearer layer located at intermediate layer, the mobile communication layer located at lower layer, and all kinds of terminal covered by those layers and cooperating with one or more layers in working; makes the synchronous measurement and adjustment for the network above; measures the difference between the arrival times in mobile communication layer by using fix time slot; in term of the fix time slot, implements the dynamical allocation and multiplexing for frequency spectrum in order to locate the mobile station.

An FTTH optical access network architecture based on ''three-network integration'' belongs to the application field of multi-network fusion technology. The FTTH optical access network architecture comprises the following components: an accessed telecommunication public network, an accessed Internet, wireless transmission, a broadcast television access network, the existing local area network fireproof wall of the enterprise, the existing local area network core switch of the enterprise, a media gateway, a three-network integrated first-core switch session boundary controller, the fireproof wall, the switch, a NGN soft switching system, a narrowband charger, a network management system, a first database server, an intelligent service gateway, a gigabit Ethernet passive optical network GPON, an optical fiber line terminal device EPON, an optical amplifying unit, an ONU, a digital monitoring system, a wideband charger, a security service gateway, a server, an optical splitter, an AP, an optical network terminal ONT, an optical network terminal with a wireless home gateway, an optical network terminal M3-2401, an integrated access device and an integrated service aceess plateform. The FTTH optical access network architecture of the invention has the advantages of multi-network fusion, high bandwidth, high stability, low input and high return.

The invention relates to a distributed antenna system, method and device. The distributed antenna system comprises a digital-to-analog expansion unit and a far-end cascade chain. The far-end cascade chain comprises a plurality of far-end units which are in cascade connection through radio frequency cables, and the head-stage far-end unit of the far-end cascade chain is connected with the digital-to-analog expansion unit through the radio frequency cables. And the digital-to-analog expansion unit is used for carrying out baseband processing operation on the received external signal and carrying out mutual conversion operation on the analog radio frequency signal and the digital radio frequency signal. Based on this, the digital-to-analog expansion unit and the remote unit adopt a daisy chain topological structure based on cable connection, so that the cost of a transmission link can be effectively reduced while the transmission bandwidth is improved. Moreover, the digital-to-analog expansion unit executes baseband processing, and the far-end unit does not need baseband processing equipment, so that the device cost and the operation power consumption of the system can be effectively reduced. The system has the characteristics of supporting multi-mode and multi-frequency, cell splitting and the like, and is easy to expand the capacity and low in construction difficulty.

The invention discloses a system for providing voice synthesis application unique development platform and a relative method, wherein the system comprises a TTS client module, a proxy server module, and a TTS server module, while the TTS client module can provide TTS switch interface to service operator, the proxy server module can process TTS request of each service operator and control the TTS server module, the TTS server module can buffer the TTS request of the proxy server module and process TTS synthesis. The invention uses unique TTS development platform, to be widely used in telecommunication, mobile, and communication services based on voice, while the platform is open to each SP which can complete document-voice conversion. And since the inventive system uses interlayer system, the system has strong expansion property, large capacity, and easy capacity expansion.

A message transmission method in plurality of RPR loop and network thereof, which contains each RPR directly connected with at least one gateway, each gateway directly connected with two or more than two RPR loop, each RPR containing one gateway and several edge nodes or only containing gateway, each edge node and gateway containing respectively MAC address, establishing whole network label exchange route through control plane, each gateway only storing local information, each cross-loop transmitted message containing one MAC address information field of destination station, one source station address information field and one MPLS label information field of said loop gateway to carry route information, defining the package format for realizing right RPR grouping route selection using tunnel label and cross-loop function, insuring whole end-to-end QoS, said gateway having MPLS label exchange router function, capable of interconnected with MPLS network, can be widely used data transmission network communication field.

The user IP address distributing management method for wideband access equipment includes configuring multi-web section IP address for one or more Super Vlan of wideband access equipment; the wideband access equipment responding the IP address request of the Super Vlan user; applying one idle address from the configured multi-web section IP address and returning the applied address to the user; or refusing the user's request in case of being incapable of obtaining idle address form the multi-web section IP address; and releasing the user's off-line address as the idle address. The IP address distributing method is transparent to the user and the routing configuation under wideband construction and has extremely raised IP address utilization. The method can simplify the expansion of capacity in wideband construction, is favorable to backup of the new service, and may be used widely in wideband communication.

The invention discloses a method for the frame-granularity real-time downloading and play of a streaming media server, and relates to the field of real-time downloading and play of contents between media servers. The method comprises the following steps of: 1, cutting media contents into continuous slices, allocating an identifier (ID) and slice index information to each slice, and establishing content index information for the media contents; 2, mapping the media contents and the content index information, and mapping the slices and the slice index information; 3, downloading the content index information according to an on demand media content ID; 4, downloading the slice index information by taking a frame as granularity by using the streaming media server, and setting a current valid frame in a slice index according to the media data of a downloaded slice; and 5, mapping on demand time to an initial played frame in the slice according to the slice index information, and playing all frames between the initial frame and the valid frame. By the method, required media contents can be downloaded in real time in a cluster with the media servers or an upper-layer cluster, and can be transmitted to a user at the highest speed.

The invention discloses a fire-control remote visible alarming and remote control fire extinguishing system which is composed of a front-end detecting and sensing system, a middle-end signal processing transponder and a terminal remote emergency command platform. A box body connecting socket of a fire-control detecting and sensing box is electrically connected with a temperature sensor and a temperature sensing trigger switch through signal wires, and the fire-control detecting and sensing box emits a wireless signal to be communicated with the intelligent control host of the middle-end signal processing transponder. The relay AP of the middle-end signal processing transponder receives and emits a wireless WIFI network card to be communicated with a terminal router and a network switch. The system is adopted for real-time field monitoring and in-time feedback so as to realize functions of remote visible alarming, remote visible control fire extinguishing, remote scheduling of nearby firefighters for rescue and remote emergency command for rescue and disaster relief at first time to furthest avoid or reduce the loss caused by fire.

The embodiment of the invention discloses a method and device for processing data fragments and deleting garbage files. The method for processing the data fragments comprises the steps that in the process that a distributed total order storage system generates total order data fragments, and at least one piece of attribute description information corresponding to the data fragments is obtained, wherein the attribute description information comprises data iterative information; the attribute description information is written in file meta information corresponding to the data fragments; when an instruction for processing at least one target data fragment is received, the data iterative information in the file meta information corresponding to the target data fragments is processed to achieve processing on the target data fragments. According to the technical scheme, the technical effect for processing the target data fragments completely can be achieved without the needs for moving or modifying the data files, the processing mechanism of data fragments in an existing distributed total order storage system is optimized, and the ever-growing convenient and efficient processing demands of people for the data fragments are met.

The invention relates to a large-power modularized DC power supply device and a control method thereof. The large-power modularized DC power supply device is composed of three two-way power units and a transformer with zigzag connection. Each two-way power unit includes twelve reverse-conducting IGBTs forming six bridge arms, wherein each bridge arm is connected with primary windings Tx1, Tx2 and Tx3 of the transformer with zigzag connection. A voltage and current sensor is also connected. The AC-side voltage of the two-way power unit is superposed with the phases of fifteen secondary windings in zigzag connection; a filter capacitor is connected between every two phases to generate three-phase symmetrical 18 ladder wave AC line voltages; and the DC sides of the two-way power units are connected with each other in parallel. The power supply device and the control method thereof have the advantages of stable DC output voltage, fast system response, good controllability, and less harmonic wave pollution at the AC sides, and particularly can achieve energy feedback from the DC side to the AC side and two-way energy transmission between the DC side and the AC side, thereby achieving positive effect on energy saving and emission reduction.

The invention discloses the intelligent storage management and control integration system of a granary. The system comprises a measurement and control terminal and a measurement and control unit connected to the measurement and control terminal through an RS485 bus. The measurement and control unit comprises an automatic control unit, an insect air water detection unit, an intelligent illuminationmeasurement and control unit, a power consumption monitoring unit, a grain storage quantity monitoring unit, an intelligent warehouse patrol unit, a stacking boundary early warning unit, a power utilization safety management and control unit and the like. During application, wiring is convenient, installation, maintenance and capacity expansion are convenient too, control accuracy and the work stability of power equipment can be improved, and the system is a reliable guarantee for implementing intelligent storage.

The invention relates to an energy storage current transformer grid connection and grid disconnection seamless switching device and an energy storage current transformer grid connection and grid disconnection seamless switching method. The energy storage current transformer grid connection and disconnection seamless switching device is connected with a power grid monitoring system and a grid connection point switch, and comprises an energy storage current transformer, a controller, a battery management system, a battery pack and a first transformer, wherein the controller is connected with the power grid monitoring system, the energy storage current transformer and the battery management system, the battery pack is connected with the energy storage current transformer and the battery management system, the energy storage current transformer is connected with a first power grid bus through the first transformer, the controller is provided with a first interface connected with a voltage transformer, a second interface connected with the grid connection point switch and a third interface connected with a grid connection point switch position node, and the voltage transformer is arranged above the grid connection point switch. Compared with the prior art, the energy storage current transformer grid connection and grid disconnection seamless switching device and the energy storage current transformer grid connection and grid disconnection seamless switching method have the advantages of being capable of achieving high precision synchronism of grid disconnection to grid connection switching, achieving smooth grid connection to grid disconnection switching, being independent of a communication network and the like.

The invention relates to an integrated flexible arc extinguishing method of a single-phase grounding fault of a power distribution network. Multiple functions of arc extinguishing of the single-phasegrounding fault of the power distribution network, active power and reactive power control of a load and the like are realized by using multi-level converter integration. Independent control of activepower, reactive power and zero-sequence power is achieved through current decoupling control under a rotating coordinate system. The control of the active power and the reactive power of the load isrealized by utilizing an instantaneous power theory, and the control of zero-sequence power is realized by a flexible arc extinguishing algorithm of the single-phase grounding fault. For problems thatan existing active arc extinguishing device is single in function; and cost performance is low due to high cost, in the invention, the same set of power electronic equipment has the multiple functions of active power control, reactive power control, single-phase grounding fault arc extinguishing and the like, utilization efficiency of the power electronic equipment is greatly improved, capacity expansion is easy, and dispersion localization of grounding fault arc extinguishing and reactive power compensation can be realized.

The invention discloses a micro-grid network, a method for controlling the same and a bidirectional converter for a micro-grid. The bidirectional converter for the micro-grid comprises a storage battery set, an inversion module, a DSP (digital signal processing) control system, a first inductor, a capacitor, a second inductor, a first interconnection switch and a second interconnection switch. A direct-current input end of the bidirectional converter for the micro-grid is connected with the energy storage battery set, and alternating current outputted by the inversion module is filtered by the first inductor and the capacitor, is connected to a local load by the first interconnection switch and is connected onto the micro-grid by the second inductor and the second interconnection switch. The micro-grid network, the method and the bidirectional converter have the advantages that active power and reactive power can controllably flow in the micro-grid, configuration of an energy storage system is optimized, the service life of the energy storage battery set is prolonged, and energy in various regions of the micro-grid is reasonably distributed; and existing power converter devices and technologies are sufficiently utilized, the modular network and a distributed access mode are implemented, the micro-grid can be expanded easily, and popularization and application of a micro-grid technology are facilitated.

The invention discloses an offline wireless parallel operation method of a plurality of energy-storing converters in a large-capacity energy storing system. The method is that the energy storing converters are free of interconnection wires, so that each energy storing converter independently acquires three-phase voltage and three-phase current at each AC side to be independently controlled; when the large-capacity energy storing system is operated offline, each energy storing converter is subjected to droop control; each energy storing converter is selectively converted into an offline working mode or quitted from the offline working mode according to the photoelectric generating, wind-powered generating and load conditions; the corresponding working mode of each energy storing converter is converted according to the working state of each energy storing element. With the adoption of the method, energy storing converters can be plugged and played, the problem that the capacity of the large-capacity energy storing system is difficultly expanded during independent operating is solved, and therefore, the usability and stability of the system are improved; the system operation mode is flexible; the energy storing elements can be maintained and overhauled conveniently, and as a result, the service lives of the energy storing elements can be prolonged.

The invention provides a main device for wireless communication multi-network integration, an expansion device and a remote device, wherein the main device comprises an uplink main unit and a downlink main unit, wherein the downlink main unit is used for receiving main unit Internet access signals and mobile communication signals, respectively converting the main unit Internet access signals and the mobile communication signals into downlink network optical signals modulated by a first optical carrier and downlink optical signals modulated by a second optical carrier, carrying out wavelength division multiplexing on the downlink network optical signals and the downlink optical signals to form downlink multiplexing optical signals, and transmitting each path of downlink multiplexing optical signals to a downlink network element; and the uplink main unit is used for uplink multiplexing optical waves, decomposing the multiplexing optical waves into network optical signals modulated by the first optical carrier and uplink optical signals modulated by the second optical carrier, converting the network optical signals modulated by the first optical carrier into main unit Internet outputsignals and outputting the main unit Internet output signals through a network access interface, and converting uplink optical signals modulated by the second optical carrier into electric signals and outputting the electric signals through a radio frequency access interface. A distributed system is formed by adopting three devices so that multi-network signal fusion of Internet, mobile communication and the like is directly realized, and therefore, network operation stability and reliability are effectively enhanced.

The invention discloses a multi-point control unit of a video conference system, and a video processing method thereof, wherein the multi-point control unit of the video conference system comprises a video processing unit which comprises a plurality of universal port units, the universal port units are connected with a plurality of terminals of the video conference system via an Ethernet interface, the universal port units are respectively used for uncompressing compressed video data of one terminal from the video conference system, and send the uncompressed data to an Ethernet exchanger; andthe Ethernet exchanger is connected with the universal port units via the Ethernet interface to form an internal Ethernet which is used for receiving the uncompressed data sent by the universal port units. The invention realizes the universal port function on multi-point control unit media processing of a video conference, and networking based on the Ethernet technology has better stability, lower cost, easy capacity expansion and stronger compatibility.

The invention discloses a non-isolated bidirectional DC / DC converter with high step-up ratio, which can realize wide range and high step-up ratio adjustment. A converter system consists of several standard modules, and the standard modules uses BUCK-BOOST circuits as basic topology. The standard modules adjust the switching tube duty cycle through the respective closed-loop control loops to achieve their respective voltage rises. The system connects the outputs of multiple modules in series to achieve the rise of the total output voltage of the system. The total output voltage is the sum of the input voltage of the lower voltage and the output voltage of each standard module. The whole system distributes the total output voltage to each standard module by connecting the input terminals inparallel and the output terminals in series. The boosting comparison system of each level module reduces the total boost ratio, therefore, each stage module has a wide range of duty cycle adjustment,and the purpose of adjusting the overall duty cycle of the converter is wide. At the same time, the overall converter system makes the overall efficiency of the converter high by adopting parallel connection of the output terminals.

An apparatus and method for equipping a locomotive with a modular radio communication system capable of being expanded to incorporate future improvements in radio and data communication electronics. The modular radio communication system provides for the installation of a standardized mounting plate and housing onto the rooftop of the locomotive to reduce the need to make extensive mechanical and electrical modifications to the locomotive when the radio communications system is updated. Sunscreens and vent openings in the standard mounting plate and housing work to reduce the temperature of the internal components of the modular radio communications system.

The invention discloses a vibration reduction and power generation device based on an inverse magnetostriction principle, and belongs to the field of vibration reduction and vibration power generation products. The vibration reduction and power generation device comprises a vibration reduction module, a vibration conversion module, an inverse magnetic power generation module and a battery module, wherein a main body comprises a base, a six-degree-of-freedom platform, a first top rod, a first fastening screw and a piezoelectric rubber vibration isolator, the six-degree-of-freedom platform is embedded into a part above the base, the first top rod and the first fastening screw are fixed on an upper surface of the six-degree-of-freedom platform, the piezoelectric rubber vibration isolator is encircled at an outer side, is in contact with the base and the upper surface of the six-degree-of-freedom platform and is fixed, and a stepped cavity is formed between the first top rod and the first fastening screw. The vibration reduction and power generation device is low in production cost, small in size and light in weight, is easy to fix and expand and can stand a severe vibration environment, and high-efficiency power generation is achieved. The device is relatively simple in structure and high in stability, and can be installed in an array way.

The invention discloses a data center. The data center comprises a plurality of basic unit combined in an assembled mode; each of the basic units includes a building part and an electromechanical part; the building parts are used for constructing indoor space for placing the electromechanical parts; the basic units include at least one IT basic unit, at least one electrical basic unit and at leastone refrigerating basic unit; and the IT basic unit is used for providing data calculation and storage functions, the electrical basic unit is used for supplying power to the IT basic unit and the refrigerating basic unit, and the refrigerating basic unit is used for refrigerating the IT basic unit. The data center realizes a modular design of a data center building, so that when a data center isbuilt in a greenland newly build data center, on one hand, the construction period of the data center is shortened and the capacity is easy to expand, staged investment is realized, and investment interest cost can be reduced; and on the other hand, the data center constructed has good robustness, stacking and expanding layout are realized, and the improvement of the land utilization rate is facilitated.

The invention discloses a double-mode intelligent vision sensing system architecture, which is characterized in that: the signal output / input end of a double-mode intelligent camera is correspondingly connected with the first signal input / output end of a broadband transmission network, the second signal input / output end of the broadband transmission network is correspondingly connected with the first signal output / input end of an application management server, and the second signal output / input end of the application management server is correspondingly connected with the signal input / output end of an application client. The architecture has the advantages that: an intelligent video processing server is saved; the task of the module is placed at the front end of the camera, so the advanced intelligent processing function is realized, the early equipment investment is saved, and the equipment maintenance cost and the system operating cost are reduced; real-time video analysis result-based image capture and automatic target tracking of real-time cradle head control are realized; parameters such as camera sensitization, illumination, contrast and the like of main body conditions serving as targets are automatically adjusted; and the imaging quality is higher, and the analysis result is more accurate.

The invention discloses a blade modularized server system, and relates to the field of server structures. The main structure of the system is a case; a plurality of computation modules, a plurality of storage modules, a hot-plug expansion card, a hot-plug cooling fan, a hot-plug management card and a hot-plug power supply are arranged in the case; the hot-plug power supply is connected with each of the computation modules, the storage modules, the hot-plug expansion card, the hot-plug cooling fan and the hot-plug management card to supply power; the hot-plug management card is connected with each of the computation modules and the storage modules; the computation modules and the storage modules are arranged in the case, and vertically arranged on the bottom surface of the case in parallel; and the hot-plug expansion card, the hot-plug cooling fan, the hot-plug management card and the hot-plug power supply are mounted on a rear panel of the case. According to the system, the computation of eight paths of servers and the storage modules are bladed, so that the operation effect that the eight paths of servers are easy to maintain, easy to expand and free of tools is realized.

The invention introduces a wireless POS collector through a GPRS wireless network, acquires and reads necessary client information and sends the client information to a brand point accumulation system by the GPRS network, carries out information validation, accumulated point exchange and other operations on the brand point accumulation system and feeds back the processing information to request wireless POS equipment so as to achieve the aim of integrated wireless movable type accumulated point exchange. The whole set of flow has low production cost, is easy to expand the capacity of an accumulated point exchanging website and can immediately extend few exchangeable gifts to infinite kinds of gifts for exchanging only needing to carry out proportion setting of accumulated point exchange through a brand accumulated point management center.