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Channel equalization system and method for independent error correction code modulation of subcarriers in optical OFDM (orthogonal frequency division multiplexing)
InactiveCN103684696AFlexible combinationFree combinationError preventionFibre transmissionCarrier signalFourier transform on finite groups
The invention discloses a channel equalization system and method for independent error correction code modulation of subcarriers in optical OFDM (orthogonal frequency division multiplexing), and relates to the field of optical fiber communication. The method includes the steps: distributing serial data onto a plurality of parallel subcarriers after the serial data pass a serial-parallel converter of a transmitting end, independently performing error correction code and modulation format mapping by each subcarrier, arranging the subcarriers with the same error correction code type and the same modulation format mapping type into a group, equalizing the transmitting power of the subcarriers in the same group, keeping the SNR (signal to noise ratio) of a receiving end by the subcarriers with the same error correction code and modulation format mapping, converting signals from frequency domain to time domain by the aid of inverse Fourier transform, and performing parallel-serial conversion and electro-optical conversion; enabling the process of the receiving end to be opposite to that of the transmitting end. Error correction code and modulation format mapping combinations of the subcarriers can be flexibly selected, spectral efficiency utilization of each subcarrier is optimized, and point-to-multipoint application requirements are met.
Owner:WUHAN POST & TELECOMM RES INST CO LTD
Electricity consumption information acquisition system fault diagnosis equipment
ActiveCN105788227AFlexible customizationFree combinationElectric signal transmission systemsNon-electrical signal transmission systemsElectricityComputer module
The invention provides electricity consumption information acquisition system fault diagnosis equipment which comprises a processor as well as a concentrator local communication module interface, an electric energy meter local communication module interface, a concentrator remote communication module interface, a zone area recognition unit, an RS485 port, an RS232 port, an infrared port and a WiFi module which are connected with the processor, wherein the zone area recognition unit is used for recognizing phase information and zone area information of an electric energy meter to be tested and comprises a first zone area recognition module and a second zone area recognition module; the concentrator local communication module interface is connected with a concentrator local communication module or a meter reader controller module in a pluggable manner; the electric energy meter local communication module interface is connected with an electric energy meter local communication module in a pluggable manner; the concentrator remote communication module interface is connected with a concentrator remote communication module in a pluggable manner; the processor is used for detecting the electric energy meter, a concentrator, the electric energy meter local communication module, the concentrator local communication module or the concentrator remote communication module in an electricity consumption information acquisition system respectively.
Owner:NORTH CHINA GRID MEASUREMENT CENT +4
Remote centralized monitoring method and system for intelligent power supply socket
ActiveCN101403916AAvoid electrical safety hazardsRegulatory usabilityElectric signal transmission systemsProgramme total factory controlThe InternetNetwork control
The invention provides a remote centralized monitoring method of an intelligent power socket and a system thereof. The method is as follows: in the operation process of a system, a remote intelligent server reads power supply conditions of a power socket collected by various node devices in real time, and transmits the power supply conditions to a monitoring module at a remote client side by an LAN / WAN; or the remote intelligent server receives a regulation command transmitted by the monitoring module of the remote client side by the LAN / WAN, thus realizing real-time monitoring of the remote client side on the power supply conditions of various intelligent power sockets in houses, at work places and in public buildings. The system takes power lines as communication media of the system, has the advantages of low cost, seamless access to Internet, plug and play, distributed network control and the like, and also has special advantages in electrical appliance management and energy saving.
Owner:GUANGZHOU YUANZHENG INTELLIGENCE TECH
Universal type breeding method for rice engineering maintainer line, and application thereof in propagation of ordinary nucleic male sterility lines of rice
ActiveCN102870670ABroad recovery spectrumFree combinationMicrobiological testing/measurementVector-based foreign material introductionBiotechnologyColor marker
The invention discloses a universal type breeding method for a rice engineering maintainer line. The method comprises the following steps: establishing a dual-element expression vector of color marker gene C; shifting the vector into a type with the genetype of SS through a transgenic method to obtain transgenic strains; obtaining isozygoty strains through selfing propagation; analyzing the insertion site of gene C of each isozygoty strain and obtaining an engineering maintainer line candidate bank through screening and establishment; and crossbreeding ordinary nucleic male sterility lines of rice with the genetype of SS with the isozygoty strains in the candidate bank to obtain F1, obtaining F2 through selfing propagation of F1, breeding seeds with no color in the F2, inspecting sterile stains in each group of F2 stain after breeding, and screening the seeds of F1, where the sterile stains accounting for more than 98% of the F2 come from to take the seeds as the engineering maintainer line. The breeding method provided by the invention has the advantages of short period, strong universality, high efficiency and the like; and the obtained engineering maintainer line can be applied to mechanized and large-scale propagation of ordinary nucleic male sterility lines of rice.
Owner:HUNAN HYBRID RICE RES CENT
Intelligent illumination control device
InactiveCN104270868ASimple designFree combinationElectric light circuit arrangementEnergy saving control techniquesInfraredEngineering
The invention relates to the field of illumination control equipment, in particular to an indoor intelligent illumination control device. The device is composed of a microprocessor module, a JTAG module, a clock module, a display module, an EPPROM module, an air quality detection module, an ambient light detection module, an infrared array sensor, a lamp light driving module, a fan driving module, an emergency illumination switch control module, a power module, a storage battery and an alternating current mains detection sensor. The modules can be freely combined according to requirements. Illumination time, brightness and areas can be adjusted and controlled by a user according to the requirements, and free adjustment is achieved through a JTAG interface. Emergency illumination can be automatically started after a mains supply failure due to the fact that a backup power supply is provided, and safety of the personnel and property is ensured. On the basis of a hardware system, a complete system is formed by means of corresponding software and the powerful data processing analysis ability of a microprocessor.
Owner:重庆瑞升康博电气有限公司
Method for producing hybrid rice seeds of light-temperature sensitive male sterility line by use higher temperature or long-dayhigh temperature
InactiveCN101044835AEasy to produceFree combinationPlant genotype modificationRice cultivationLong dayZoology
A method for culturing the seeds of photosensitive and thermo-sensitive male sterility line of high-temp sterile or long-day high-temp sterile rice includes such steps as choosing male parent and female parent (photosensitive and thermo-sensitive sterility line), sowing, irrigating with cold water when the ambient temp is higher than the critical temp of fertility transform, hybridizing, growing and harvesting.
Owner:HUNAN HYBRID RICE RES CENT +1
Modularized mobile electronic equipment
InactiveCN105356901AFree combinationGood for free splicingBatteries circuit arrangementsElectric powerButt jointRechargeable cell
The invention provides modularized mobile electronic equipment comprising a plurality of function modules that can be spliced in a matching mode. Plugging ports for mutual butt joint are formed in the sides of the function modules. The function modules with different functions are spliced together to form mobile electronic equipment. Formation of mobile electronic equipment with different functions is realized by changing an array splicing sequence of the function modules or increasing or deleting function modules with different functions. The function modules consist of a rechargeable battery module, a power management module, a wireless charging transmission module, a central control module, a wireless communication module I, a wireless communication module II, a positioning module, a multimedia module, a memory module, a peripheral interface module and an expansion application module. The provided modularized mobile electronic equipment not only can work as an integrated mobile terminal to work independently but also can provide function extension for other mobile terminals. No back panel is required; each module is provided with a unified plugging port; all modules can be combined and connected freely; and no limitation on the number and spatial connection of modules is set.
Owner:NINGBO LIKETEK INFORMATION TECH
Cultivation method for flax hybridization by using male sterile of flax
InactiveCN101243769ABreeding is easyReduce manufacturing costPlant genotype modificationAgricultural scienceHeterosis
The invention relates to a cultivating method to utilize flax male sterility to hybrid flax, belonging to the field of crop cultivation. Heterosis utilization is an effective way to improve the yield of flax, but the main obstacle in prior suitable heterosis utilization is the lack of excellent flax male sterile line. The invention is characterized in that, excellent temperature sensitive sterile line successfully selected and bred through antibiotic mutation is utilized for hybrid breeding and hybrid production; the cross combination with obvious yield heterosis is bred; the method to produce sterile line at high temperature area and produce hybrid F1 seed together with a restore line at low temperature area is invented. The cultivating method has the advantages of simple propagation, low production cost, wide sterile line restoring sources and obvious heterosis.
Owner:GANSU ACAD OF AGRI SCI
Main interface menu display method with sliding animation effect
InactiveCN103645828AFree combinationFlexible combinationSubstation equipmentInput/output processes for data processingAnimationDisplay device
The invention relates to the information technical field, and aims to provide a main interface menu display method with the sliding animation effect. The main interface menu display method is suitable for design of application software UIs on mobile terminals and display devices using touch screens. The main interface menu display method with the sliding animation effect has the advantages that a main interface menu is displayed in a mode of images of multiple rows and multiple columns, free and flexible combination can be achieved for the menu, and a main interface can display more content; the content of the menu is displayed by using the images, a user can visually know the functional modules, and a software manufacturer does not need to compile a code for later maintenance of software; interaction such as clicking and dragging can be carried out on the main interface and a sub interface, and more convenience is brought to the user; the sub interface appears and exits both in an animation mode, and the good visual effect is achieved.
Owner:HANGZHOU YUNQING TECH CO LTD
Image prediction method and device and codec
The invention provides an image prediction method, and the method comprises the steps: obtaining the initial prediction motion information of a current image block, determining a first reference blockin a forward reference image, determining a second reference block in a backward reference image; searching around the first reference block and the second reference block through a brand-new mirrorimage-like method, determining whether a pair of target reference blocks with lower image block matching cost exists or not, and the pair of target reference blocks has a corresponding relation in space; and obtaining a pixel prediction value of the current image block according to the pixel value of the target reference block under the first precision, and the pixel prediction value of the current image block having code stream precision. Through the method and the device, image block matching cost calculation is carried out under a high-precision condition, and the optimal reference block pair is found, so that the complexity of video image inter-frame prediction in the prior art is reduced, and the accuracy is improved.
Owner:HUAWEI TECH CO LTD
Electromechanical device
An electromechanical device comprises a mechanical interface structure (101) for connecting to an external rotating element, for example a wind turbine. The device comprises an electrical machine (102-104), and one or more gear stages (105-112) on a power transmission path between the mechanical interface structure and a rotor of the electrical machine. The device further comprises mechanical structures (113-115) constituting a common lubricant oil room for both the gear stages and the electrical machine. The electromechanical device comprises oil channels (116a) for directing lubricant oil circulated in the device to flow via the gear stages and via bearings (118, 119) of the electrical machine. Therefore, a common lubricating system can be used for both the gear stages and the electrical machine.
Owner:THE SWITCH DRIVE SYSTEMS OY +1
Method and system for 2D/3D microstructure texture decoration on surface of raw material
InactiveCN103991325AShort cycleShort development cycleSpecial ornamental structuresLight effect designsResistEtching
The invention relates to a method and a system for 2D / 3D microstructure texture decoration on the surface of a raw material, which realizes texture on the surface of a raw material directly. The method comprises the following steps: drawing a photoplotted film with a precision of 25400 dpi by using a photoplotter and outputting the photoplotted film, coating a photo-sensitive resist on one surface of the raw material by using a printing machine or a coating machine; putting the photoplotted film and a raw material photo-sensitive resist layer into an exposure machine, enabling light of the exposure machine to pass through a photoplotted film transparent region to expose the raw material photo-sensitive resist layer; according to different raw materials, putting the exposed raw material photo-sensitive resist layer into development solutions of different concentrations for developing, and after high-pressure spraying through a developer, removing the photo-sensitive resist region which is not photo-sensitive; according to different raw materials, putting the dried developed raw material into a high-pressure spraying etching machine filled with etching solutions of different concentrations suitable for different raw materials for etching or dipping etching; for the etched raw material, carrying out fabrication processing according to different colors and vision design effects.
Owner:东莞市深芏塑胶科技有限公司
Universal debugging method applied to distribution network automation
InactiveCN105356614ASupport secondary real-time statistical analysis and calculationImprove versatilityCircuit arrangementsStatistical analysisData information
The invention relates to a universal debugging method applied to distribution network automation. The method is characterized by comprising the following steps: 1, reading, by a distribution automation terminal, equipment list data information from an SQL (Structured Query Language) database; 2, reading data information of a corresponding RTU (Remote Terminal Unit) according to the equipment list data information; 3, creating data information of each RTU object; 4, creating a communication thread with a man-machine interaction module; and 5, receiving the data information of each RTU object, analyzing the data, putting the analyzed data information into a data pool and sending an instruction to the man-machine interaction module by the communication thread, as well as reading the data information of each RTU object from the data pool after receiving the instruction and refreshing the interface by the man-machine interaction module. The method realizes real-time four-remote monitoring on RTU, FTU (Field Transfer Unit) and DTU (Data Transfer Unit) of a substation site, has good universality and compatibility, and supports secondary real-time statistical analysis calculation of data.
Owner:STATE GRID TIANJIN ELECTRIC POWER +1
Wet type dual-function explosion-proof motor
InactiveCN102025227AWith explosion-proof functionFull exchangeCooling/ventillation arrangementSupports/enclosures/casingsWater wheelUnderwater
The invention discloses a wet type dual-function explosion-proof motor. A motor shaft (1) penetrates into the motor and is supported by a front bearing and a back bearing, a rotor assembly and an internal water wheel are fixed on the motor shaft (1) inside the motor, and an external water pipeline (13) is arranged in a clearance between a case and a stator assembly. A water inlet (17) of a water distributor (15) and a water outlet (18) of a water collector (16) are mutually communicated through the external water pipeline (13), and a cooling water channel of internal water is formed by splicing the case (2), the external water pipeline (13) and the stator assembly. In the invention, external water is used for cooling heat generated by the motor per se, so that the motor not only can normally work in air environment or explosive gas environment, but also can stably and reliably work for long time in underwater environment. Moreover, the motor can be used together with the traditional multi-stage pump, can be used for reforming the traditional underwater mining draining pump, and thus, the drainage system can resist disasters. Because an adjusting bag is added, the submergence depth of the motor can be greater than the rated head of the water pump.
Owner:ZHENGZHOU UNIV
Multi-reference seamless switching phase locking device
ActiveCN104218946AFree combinationImprove stabilityPulse automatic controlPhase differenceComputer module
The invention discloses a multi-reference seamless switching phase locking device which is characterized by comprising a reference input module, a frequency division module, a phase measurement module, a weighting processing module and a phase locking module. Reference sources provide input signals of different frequencies; the frequency division module divides input reference signals into corresponding 1pps signals and sends the 1pps signals to the phase measurement module; the phase measurement module receives the 1pps signals sent by the frequency division module, compares the 1pps signals with Local_pps signals provided by the phase locking module and works out the phase difference between the Local_pps signals and the 1pps signals; the weighting processing module receives the phase difference measured through the phase measurement module, performs weighting processing on the phase difference and sends the phase difference to the phase locking module; and the phase locking module works out frequency differences according to phase accumulated values and outputs Local_10 Mhz signals and Local_pps signals. The multi-reference seamless switching phase locking device can achieve seamless switching between the reference sources by optimal utilization of various reference sources of different types, and high-precision time references and frequency references are provided for a system.
Owner:西安宏泰时频技术有限公司
Head restraint for a vehicle seat
The invention relates to a head restraint (4) for a vehicle seat (1), wherein at least one first part (11) facing the head of the seat occupant can be moved linearly in the direction of the head of a seat occupant, wherein during the relocating motion, a relative motion between the first part (11) and a second part (12) of the head restraint arranged on a third part (13) occurs, and a contact surface (11') of the first part (11) lies against a contact surface (12') of the second part (12), and a contact surface (11', 12') is provided with a form-fit element (14), in particular a toothing arrangement. The invention further relates to a method for adjusting a head restraint.
Owner:ADIENT LUXEMBOURG HLDG SARL
Tool cabinet set capable of being freely combined
Owner:POOKE TECH
Telescopic roller conveyor and frame
Owner:FQ IP
Data index storage method, system and device capable of randomly expanding dimensions
PendingCN112765163AGuaranteed uniformityFree combinationSpecial data processing applicationsDatabase indexingDatasheetEngineering
The invention provides a data index storage method, system and device capable of randomly expanding dimensions. The method comprises the steps of obtaining corresponding data indexes by processing service data according to different service requirements, and querying a data table to construct index IDs of the data indexes; calling a storage table of a data index based on the index ID, and expanding the dimension of the data index by adding a data row in the storage table of the data index so as to store the data index according to a corresponding field. According to the scheme, dimension expansion is carried out at will by increasing data rows, the dimensions can be freely combined, and each row of data can be interpreted through different identified index IDs; for the indexes of the same measurement under different dimensions, the data indexes can be conveniently stored, simply expanded and easily called, and the uniformity of the indexes is ensured.
Owner:NIO TECH ANHUI CO LTD
Transportation plan creation support apparatus and transportation plan creation support method
InactiveCN104838433AFree combinationData processing applicationsDetection of traffic movementMathematical modelTransportation plan
Owner:TOYOTA JIDOSHA KK
Multi-path illumination controlling apparatus using two alternating-current power lines for realizing power supplying and controlling
InactiveCN103533694ASave electricity connectionReduced wiring effortElectric light circuit arrangementEnergy saving control techniquesEngineeringLighting system
The invention, which relates to the illumination control field, discloses a multi-path illumination controlling apparatus using two alternating-current power lines for realizing power supplying and controlling. More particularly, the invention relates to a method and system capable of completing power supplying and communication controlling on multi-path illumination lamps only by using two alternating-current power lines. The whole multi-path illumination system, that is the multi-path illumination controlling apparatus, comprises a switch controller, a plurality of lamp controllers, two power lines and a plurality of lamps. An input terminal of the switch controller of the multi-path illumination controlling apparatus is connected with an alternating-current leading-in point; and an output terminal of the switch controller is connected with the two power lines to carry out line laying. A plurality of lamp controller installing points are arranged at the two power lines; input terminals of all the lamp controllers are connected to the two power lines; and illumination lamps are respectively installed at output terminals of all the lamp controllers. According to the invention, problems of many wires and complex wiring, long installing time, high using difficulty, poor flexibility, complex circuit during communication signal receiving and restoring, and high manufacturing cost can be solved.
Owner:何伟军
Light irradiation device used for establishment of experimental animal skin injury model
ActiveCN105156954AHeight adjustableChange the light intensity for the experimentAnimal housingLight fasteningsInfrared lampHigh energy
The invention discloses a light irradiation device used for establishment of an experimental animal skin injury model. The light irradiation device comprises a box body. The top end of the box body is provided with an upper cover device, and the upper cover device comprises an upper cover plate. Fixing pressing plate troughs are installed on both sides of a fixing trough support. Fixing pressing plates are installed in grooves of the fixing pressing plate troughs, and the fixing pressing plates are provided with light control holes. According to the light irradiation device, the side walls of box body are provided with height adjusting holes, and the height between a light source and animals subjected to an experiment can be adjusted through the height adjusting holes; the positions of light source transmission can be controlled through light transmission holes formed in a separation plate; the animals are fixed by adjusting the fixing pressing plates 43, and the positions of light irradiation animal skin injuries are adjusted by adjusting the light control holes 44 in the fixing pressing plates 43 to protect other parts of the animals subjected to the experiment from injuries; the light source in a lamp holder is arranged in the upper cover device, so that ultraviolet / infrared lamps with different wave lengths or high energy ray sources with different wave lengths are replaced or used simultaneously according to the experiment needs.
Owner:CHINA ACAD OF SCI NORTHWEST HIGHLAND BIOLOGY INST
Air purifier connected with respirator
InactiveCN102389611ANovel and reasonable designImprove sleep qualityRespiratorsTreatment effectEngineering
The invention discloses an air purifier connected with a respirator. The air purifier comprises an input port for inputting air, an output port for outputting purified air, and multiple filtering parts for filtering air, wherein the input port is connected with the multiple filtering parts; the multiple filtering parts are connected with the output port; and the output port is in sealed and movable connection with an input port of the respirator. The air purifier connected with the respirator improves the quality of the inhaled air, maintains the freshness of the inhaled air, improves the sleeping quality and enhances the treatment effect.
Owner:王晓锋
Electrical machine and a method for assembling it
ActiveCN102237742AFree combinationMagnetic circuit rotating partsManufacturing stator/rotor bodiesEngineeringElectric power
A method for installing a rotor of an electrical machine and an electrical machine are disclosed. The method comprises using axially directed guide bars (107-109) for keeping the rotor (102) centered with respect to a bore of a stator (101) during the installation of the rotor. The rotor has sliding surfaces so that it can be slid in the axial direction to its final position along the guide bars. The mechanical support structure (104) that supports bearings (105, 106) of the rotor are provided with supporting surfaces for being able to give mechanical support to the guide bars. The mechanical support structure (104) may comprise for example threaded holes to which threaded ends of the guide bars can be tightened. After the rotor has been moved to its final position and it is supported by the bearings, the guide bars are removed.
Owner:THE SWITCH DRIVE SYSTEMS OY +1
A turbomachine
ActiveCN102971539AFree combinationGas-turbine engine testingFlow control using electric meansEngineeringData value
A method for obtaining an estimate for a process quantity of a turbomachine comprises measuring (301) first process quantities and calculating (302) an estimate for a second process quantity, for example mass flow, on the basis of the measured first process quantities and a reference table of interrelations between process quantities prevailing in reference inlet conditions corresponding to a pre- defined inlet fluid temperature, a pre-defined inlet fluid pressure, and pre-defined fluid properties at the inlet. The reference table and the measured first process quantities represent such a set of data values that the estimate is obtainable on the basis of different sub-sets of the data values. Hence, the estimation task is over-posed in the sense that there is more data than necessary for obtaining the estimate. In the calculation of the estimate, more weight is given to such a part of the data which has a smaller error contribution.
Owner:SULZER MANAGEMENT AG
Method for producing cotton seeds by inducing long cotton stigmas
InactiveCN102057863AImprove seed production efficiencyReduce seed production laborHorticulture methodsPlant genotype modificationHybrid seedZoology
The invention relates to a method for producing cotton seeds by inducing long cotton stigmas, belonging to the technical field of cotton hybrid seed production and suiting for producing cotton hybrid seeds. The method comprises the following steps of: dipping a GA3 solution with the concentration of 1000 PPM (Parts Permillion) on the bud base of 8-18 days and dipping each flower with 150-200 microlitre of GA3 solution; inducing more than 95 percent of stigmas to be 8mm higher than a stamen cluster; and directly pollinating without removing stamens after the cotton blossoms out. Flowers are quantitatively dipped by adopting the exogenous hormone GA3, more than 95 percent of stigmas can be stably induced to be 8mm higher than the stamen cluster, and the purity of the produced hybrid seeds can accord with the production requirement.
Owner:JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
Section storage rack
InactiveCN101823612ALight and strong structureStrong pressure capacityStorage devicesAir springEngineering
The invention discloses a section storage rack. More than two single storage racks are connected in series through a connecting pipe (4) to form a storage rack set; each single storage rack consists of an A-shaped main support frame (1), a space layer supporting beam (2), a supporting foot (7) of the space layer supporting beam (2), a return air spring (3), a connecting buckle (5) and a connecting sleeve (6) positioned on the upper part of the A-shaped main support frame, and the components are arranged in a plurality of layers; one end of the space layer supporting beam (2) is movably connected with the A-shaped main support frame (1), and the other end of the space layer supporting beam (2) is movably connected with one end of the supporting foot (7); the other end of the supporting foot (7) can be fixed to or separated from the supporting beam at the lower layer of the supporting foot (7) through the connecting buckle (5); and the return air spring is arranged between each space layer supporting beam and the A-shaped main support frame. The section storage rack with the structure achieves the purposes of making the stored material get in the rack first and making the stored material get out of the rack first and ensuring small occupation of land, tidy stacking, convenient management of stacking and taking of the different materials and safe and high-efficiency hoisting operation.
Owner:龙工(福建)液压有限公司
Data transmission system providing improved failure resilience
InactiveCN105684366ARandom combinationFree combinationData switching networksTransfer systemCoupling
The present document relates to a transmission system (100) for transmitting data comprising an Ethernet network portion (110), a transport network portion (120) and a switching component (130) coupling said Ethernet network portion (110) with said transport network portion ( 120); the Ethernet network portion (110) comprising at least two Ethernet line cards (111, 112) each with at least one Ethernet interface (111a, 112a) for providing redundant communication links within the Ethernet network portion (110); the Ethernet line cards (111, 112) being configured to transmit information regarding the status of their at least one Ethernet interface (111a, 112a) to the switching component (130); and the switching component (130) being configured to receive and analyze information regarding the status of the Ethernet interfaces (111a, 112a) of the Ethernet line cards (111, 112) and route the data to the transport network portion (120) based on said received information.
Owner:ALCATEL LUCENT SAS
Electronic power converter for mobile working machine, mobile working machine and method for controlling the electronic power converter
ActiveCN103684004AFree combinationDc-dc conversionDc-ac conversion without reversalElectricityPower flow
The present invention relates to an electronic power converter for a mobile working machine, the mobile working machine and a method for controlling the electronic power converter. The electronic power converter comprises a storage circuit (101) capable of storing electrical energy that is determined by an electrical quantity, voltage or current, of the storage circuit. The electronic power converter comprises an electronic power converter stage (102) connected to the storage circuit and a regulator (103) for controlling the electronic power converter stage to regulate the electrical quantity at least partly on the basis of deviation of the electrical quantity from its reference level. The regulator is configured to weight the deviation with a first gain coefficient when the deviation is positive, and to weight the deviation with a second gain coefficient when the deviation is negative. The first gain coefficient has a value different from that of the second gain coefficient because the reference level is typically not in the middle of the allowed range of variation of the electrical quantity.
Owner:DANFOSS MOBILE ELECTRIFICATION OY
Sofa
InactiveCN107411411AFree combinationMeet the needs of different soft and hard sitting feelingsStuffed mattressesSpring mattressesEngineeringProcess design
The invention discloses a sofa for meeting different support and comfort requirements through a modularized cushion structure. The sofa comprises a main body. The sofa is characterized in that the main body comprises a plurality of seats; one cushion which can be detached relative to the main body is arranged on each corresponding seat; and the cushion is composed of a cushion sleeve in which a plurality of cushion cores are wrapped. The cushion cores are of different softness degrees, the cushion cores can be freely adjusted and combined, then different softness support coefficients are achieved, and different softness requirements are met. The cushion of the sofa adopts a combined modularized structure, modules are made of materials of different softness degrees, and the modules can be freely combined according to customization requirements. In addition, the cushion is of completely detachable process design, the modularized combined structure inside the cushions can be adjusted at any time, and thus requirements on sofa sitting feelings at different stages can be met.
Owner:郭三桂
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