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20results about How to "Shorten wire length" patented technology
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Battery pack PDU device for electric heavy truck
ActiveCN222191558UImprove the isolation effectImprove space utilizationBus-bar/wiring layoutsBoards/switchyards circuit arrangementsElectrical batteryStructural engineering
The utility model discloses a battery pack PDU device for an electric heavy truck, which comprises a box body with an opening at the upper end and an upper cover, the upper cover covers the opening of the box body, and an electric device mounting seat, an electric device assembly, a copper bar assembly, a BMS adapter bracket and a BMS controller which are distributed from bottom to top are arranged in the box body. A plurality of columns are fixedly arranged on the inner bottom surface of the box body, the electric device mounting seat is detachably arranged at the upper ends of the columns, the electric device assembly is arranged on the upper end surface of the electric device mounting seat, the copper bar assembly is arranged at the upper end of the electric device assembly, the BMS adapter bracket is arranged above the copper bar assembly, and the BMS adapter bracket is arranged above the copper bar assembly. The BMS controller is arranged on the upper end surface of the BMS adapter bracket; the box has the advantages that the electric devices can be orderly arranged in the box body, and the space utilization rate is high.
Owner:CHONGQING GANFENG POWER TECH CO LTD
Integrated passive device filter based on TGV technology
PendingCN119401966Alower latencyreduce power consumptionMultiple-port networksHarmonic reduction arrangementCapacitanceDielectric substrate
The invention belongs to the technical field of microwave integrated circuit chip design, and discloses an integrated passive device filter based on a TGV process. The integrated passive device filter comprises a GSG signal port, a three-dimensional inductor and a capacitor. The dielectric substrate is made of a glass material, so that the dielectric loss of the device can be reduced; a three-dimensional inductance structure mode is adopted, so that the Q value of the filter can be improved; a physical symmetric structure is adopted, so that cross mixing coupling of non-adjacent resonant circuits is easy to realize to improve out-of-band rejection performance; the integrated passive device is realized in a TGV process mode, high integration and miniaturization can be realized, the integrated passive device can be integrated in a radio frequency receiving and transmitting module in a chip flip-chip bonding or bonding mode, the packaging area and the wiring length are reduced, and meanwhile, the signal delay and the power consumption are reduced.
Owner:NANJING GUORUI MICROWAVE DEVICE CO LTD
Deep well water source heat pump control device and system
ActiveCN222634850Ulow costShorten wire lengthRefrigeration safety arrangementWater source heat pumpThermodynamics
The utility model relates to the technical field of geothermal water pumps, and provides a deep well water source heat pump control device and system, which comprises a master control module, an expansion DI / DO module, a water pump control module, a 4G communication module and an interactive communication module, the expansion DI / DO module is electrically connected with the master control module, the expansion DI / DO module comprises a plurality of DI input ends and a plurality of DO output ends, and the DI input ends are electrically connected with the interactive communication module. And the DI input end and the DO output end are used for connecting a control device and a sensor, so that the main control module receives and controls signals of the control device and the sensor. According to the deep well water source heat pump control device and system, the control devices can be arranged at the positions needing to be installed according to actual requirements, then a plurality of control devices are arranged according to the system requirements, the control devices can achieve different functions and can conduct interactive communication at the same time, the control devices can be produced in a unified mode and do not need to be customized specially, the equipment cost is effectively saved, and the control efficiency is improved. And in the line arrangement process, the wiring length is reduced.
Owner:THREE GORGES JINSHAJIANG CHUANYUN HYDROPOWER DEV CO LTD +1
A line steering module
ActiveCN224275674UReduced risk of breakageAdjust walking pathWorking accessoriesFine working devicesStructural engineeringElectrical and Electronics engineering
This utility model relates to the field of silicon core cutting technology, and particularly to a wire steering module, including a first steering assembly for cooperating with at least two sets of adjacent guide wheel modules for wiring. Wire I enters through the first steering assembly, then proceeds through the first guide wheel assembly to a set of guide wheel modules for wiring, then through the second guide wheel assembly to another set of guide wheel modules for wiring, and finally exits through the first steering assembly. This utility model has one steering assembly corresponding to two sets of guide wheel modules, enabling wiring for two sets of adjacent guide wheel modules. For a cutting table with six positions, only one wire steering is required, which shortens the overall wiring length compared to two steering operations and reduces the risk of diamond wire breakage.
Owner:SAMGU TAIJI ADVANCED TECH RES (WUXI) CO LTD
A battery internal resistance detection device
ActiveCN224417007UAvoid long line impedance interferenceImprove sampling accuracyCommunication interfaceElectrical battery
The application belongs to the technical field of direct current substation, and particularly relates to a battery internal resistance detection device. The application comprises an embedded monitoring host module for receiving and displaying battery internal resistance data, having an alarm and a background monitoring communication interface, the embedded monitoring host module being connected with a communication module, the embedded monitoring host module being connected with an information convergence module through the communication module, the information convergence module being connected with a single-section internal resistance sampling module, the single-section internal resistance sampling module being connected with a battery module; wherein the number of the single-section internal resistance sampling modules is the same as the number of the battery modules, each single-section internal resistance sampling module is directly connected with each corresponding battery module through a short connecting line, and is connected in parallel to the information convergence module through a pressure contact crystal head connecting line. The application has the advantages of efficient expansion, adaptation to different sizes of battery groups, short sampling line distance, simple installation process, high detection precision, low cost and good adaptability of the device.
Owner:DALIANSHILVSHUNDIANLIDIANZISHEBEIYOUXIANGONGSI
Multidirectional modularized electrical component hardware combination device
ActiveCN224190575UReduce procurement costsReduce the cost of updatesCircuit arrangements on support structuresEducational modelsMechanical engineeringPhysics
Owner:BAOYI GROUP
A numerical control unit, a microstrip and an antenna unit of a satellite distributed configuration
ActiveCN116614168BReduce design difficultyShorten wire lengthRadio transmissionCapacitanceNumerical control
The application is suitable for the field of silicon-based radio frequency and millimeter wave integrated circuit technology, and provides a satellite distributed configuration numerical control unit, a micro single sheet and an antenna unit, which comprises a decoupling capacitor module, a main control module and a distributed satellite module; the positive electrode of the decoupling capacitor module and the power supply pin of the main control module are connected with the power supply pin of the numerical control unit, and the negative electrode of the decoupling capacitor module and the ground pin of the main control module are connected with the ground pin of the numerical control unit; the distributed satellite module comprises a first satellite sub-module, a second satellite sub-module, a third satellite sub-module and a fourth satellite sub-module, and the connection mode of the first satellite sub-module with the main control module, the connection mode of the second satellite sub-module with the main control module, the connection mode of the third satellite sub-module with the main control module and the connection mode of the fourth satellite sub-module with the main control module are the same. The numerical control unit has the bandwidth universality suitable for various microwave bands and the universality suitable for various semiconductor manufacturing processes.
Owner:THE 13TH RES INST OF CHINA ELECTRONICS TECH GRP CORP
Main hand wrist, main manipulator, main operating table and surgical robot
ActiveCN222487603URealize wiringEasy wiringSurgical robotsPhysical medicine and rehabilitationPhysical therapy
The utility model provides a main hand wrist, a main manipulator, a main operating table and a surgical robot, and relates to the technical field of medical equipment. The multiple wrist connecting rods are sequentially connected at the joint rotating positions through the joint rotating shafts, the first ends of the multiple wrist connecting rods are rotationally connected with the wrist base through the joint rotating shafts, and the second ends of the multiple wrist connecting rods are rotationally connected with the handle; the circuit wiring structure comprises a main body circuit board, branch circuit boards and a plurality of first cables, one ends of the plurality of first cables are connected with the main body circuit board, and the other ends of the plurality of first cables enter the wrist connecting rod from the wrist base and are connected with the corresponding branch circuit boards in the wrist connecting rod in a one-to-one correspondence manner. Through the main hand wrist, the technical problem that the service life of the main hand wrist is shortened due to the fact that the wire passing mode of the main hand wrist is generally complex and the wire harness is prone to friction damage is solved, and the technical effect of relieving cable abrasion is achieved.
Owner:SHANDONG WEIGAO SURGICAL ROBOT CO LTD
Nut looseness symptom monitoring method and intelligent sensor
PendingCN121954441AImprove test accuracyEasy to installMachine part testingUsing electrical meansStructural engineeringIntelligent sensor
The invention discloses a nut looseness symptom monitoring method and an intelligent sensor. The intelligent sensor comprises a first component and a second component. According to the nut looseness symptom monitoring method and the intelligent sensor, a first part comprises a sensor shell, a second part comprises a nut, a containing cavity is formed in the bottom of the sensor shell, the nut is arranged in the containing cavity, a circuit board groove is formed in the inner side of the upper portion of the sensor shell, and a circuit board matched with the circuit board groove is arranged in the circuit board groove; a magnetic direction sensing chip is arranged on the circuit board, a dial switch is installed on the side wall of the top of the sensor shell, penetrating holes are symmetrically formed in the front side and the rear side of the top of the sensor shell, aviation plugs are installed at the penetrating holes, and fixing jackscrews are symmetrically connected to the four sides, corresponding to the containing cavity, of the sensor shell in a threaded mode. The mounting cavity is internally provided with a magnet, the opening of the mounting cavity is covered with a magnet cover plate, the sensor is high in test precision, simple to mount and convenient to maintain, the cost can be effectively reduced, and the position of the loosened nut can be quickly positioned.
Owner:HEBEI ZHENCHUANG ELECTRONIC TECH CO LTD
Cable wiring device for photovoltaic photo-thermal system of solar building
ActiveCN119320075Areduce frictionShorten wire lengthFilament handlingApparatus for laying cablesElectric cablesMaterials science
The invention relates to the technical field of cable installation, and discloses a cable wiring device for a solar building photovoltaic photo-thermal system, which comprises two handles, a grab handle is fixedly connected to the top end between the two handles, a handle is slidably connected to the side surface between the two handles, and a cable coil is arranged below the handle. The bottom end of the handle is connected with a stringing structure, the side face of the stringing structure is connected with a wire clamping structure, the side, away from the wire clamping structure, of the stringing structure is provided with a wire supporting structure, the stringing structure comprises two sliding column fixing pieces, and the sliding column fixing pieces are connected with the wire clamping structure. One side, far away from the grab handle, of each sliding column fixing sheet is fixedly connected with a short sliding column, and two elastic thin rods are arranged above each short sliding column, so that single-person and single-hand operation is realized, cable rolls can be conveniently placed at designated positions, the problem that the cables need to be arranged due to mutual winding after the cables are loosened in wiring is solved, and the wiring length between photovoltaic panels is reduced.
Owner:SHANDONG JIANZHU UNIV
Novel refrigerating machine wiring structure, quantum calculation measurement and control system and quantum computer
The utility model relates to the technical field of quantum computing, in particular to a novel refrigerating machine wiring structure, a quantum computing measurement and control system and a quantum computer, and the novel refrigerating machine wiring structure comprises a refrigerating machine main body which is internally provided with a plurality of temperature zones with the temperature reduced step by step and a photodiode; the microwave source and the electro-optical regulator are located outside the refrigerator body, the microwave source is connected with the electro-optical regulator through a first coaxial cable, and the output end of the electro-optical regulator is connected with one end of an optical cable. The other end of the optical cable penetrates through at least one temperature zone from one side of the refrigerator main body and is connected with the photodiode; the photodiode is connected with the quantum chip through a second coaxial cable. The microwave signals are transmitted in the mode that the coaxial cables and the optical cables are alternately used, thermal noise carried by the microwave signals entering the dilution refrigerating machine arranged in an inverted mode is reduced, and meanwhile normal operation of the quantum chip is guaranteed.
Owner:BENYUAN TIANGONG (ZHENGZHOU) QUANTUM TECH CO LTD
Electric compressor
PendingCN119522538Aincrease freedomsmall sizeCompressorAssociation with control/drive circuitsElectrical connectionInverter
The invention provides an electric compressor capable of uniformizing loss and heat generation of a switching element and coping with a wide range without enlarging the size. An electric compressor (1) is provided with an inverter (16) that has a plurality of switching elements (18A-18F) and supplies power to a motor (8). An electric compressor (1) is provided with: a housing (2) that constitutes a motor chamber (4) in which a motor is incorporated, and an inverter housing section (6) in which an inverter is mounted; a partition wall (3) between the motor chamber and the inverter housing part; and a plurality of connection terminals (10A, 10B), one end of which is electrically connected to the motor, the connection terminals being provided so as to protrude from the motor in the direction of the partition wall, the connection terminals being provided so as to be dispersed and pass through the partition wall, and the other end of which is electrically connected to the inverter. The switching elements are arranged on the partition walls in a dispersed manner so as to correspond to the respective connection terminals.
Owner:SANDEN CO LTD
Layout design method and system for integrated circuits
ActiveCN118839654BSimplify the design processguaranteed performanceMulti-objective optimisationProbabilistic CADPathPingHemt circuits
The present invention discloses a layout design method and system for integrated circuits, and relates to the technical field of circuit design. The system significantly optimizes the integrated circuit design process through partitioning algorithms, layout optimization techniques and detailed routing strategies. The circuit module partitioning module uses heuristic methods and Kernighan-Lin algorithms to effectively divide the circuit into multiple regions, and determines the area configuration of each module through linear programming to ensure that the function and physical characteristics of each region are optimally matched. The preliminary layout planning module performs preliminary layout through a heuristic algorithm, and adopts a simulated annealing algorithm, combined with a cost function algorithm to optimize the initial position of the circuit module to minimize the total layout cost C. In addition, the global routing module uses the MazeRouting algorithm to optimize the routing path, avoid conflicts and reduce the routing length L, thereby improving manufacturing efficiency and cost control capabilities while ensuring circuit performance.
Owner:JIANGSU CHIPSEA TECH DEV CO LTD
A method and device for synchronously measuring distributed strain and FBG strain dual mechanisms
ActiveCN118463837BShorten wire lengthimprove accuracyUsing optical meansPhotovoltaic detectorsPhotodetector
A method and device for synchronously measuring a distributed strain and FBG strain dual mechanism. The method comprises winding an optical cable into a fiber winding structure, and fusing FBG broadband light, continuous detection light and pulsed pump light in the same fiber winding structure, so that three kinds of measurement lights work simultaneously in the same optical fiber, and two kinds of strain measurements do not interfere with each other. The device realizes a method for synchronously measuring a distributed strain and FBG strain dual mechanism through multiple laser sources, couplers, photoelectric modulators, circulators and photoelectric detectors. The present invention performs two measurement mechanisms simultaneously in the same optical fiber, improves the accuracy of the sensor, greatly reduces the length of optical fiber wiring, and is particularly suitable for characterizing the internal strain state of a three-dimensional precision winding structure.
Owner:XIDIAN UNIV +1
Storage device with low latency characteristics
ActiveCN224355000UIncrease distribution densityshorten the lengthInput/output to record carriersRead-only memories
The utility model provides a storage device with low delay characteristic, include: a plurality of selection transistor, a plurality of floating gate transistor, a plurality of floating gate transistor respectively with bit line and word line electric nature connection, wherein a plurality of floating gate transistor respectively with corresponding selection transistor electric nature connection, and with the form of storage unit integrated in same flash memory chip, and floating gate transistor includes control grid, source electrode and drain electrode, wherein control grid and word line electric nature connection, any electrode in source electrode or drain electrode is in floating state, and another electrode electric nature connection is in bit line, and main controller is electrically connected with host computer and flash memory chip, and according to the instruction random access any storage unit of host computer. The utility model can provide high density and high reliability storage space under the premise of not using error correction related technology.
Owner:JUXIN INTEGRATED CIRCUIT CHIP (HEFEI) CO LTD
Motorcycle
ActiveCN222496532Ueasy to useLittle thermal impactCycle batteriesMotorcyclesVehicle frameElectrical battery
The utility model relates to a motorcycle. The motorcycle is at least provided with a frame unit and a motorcycle body cover unit covering the periphery of the frame unit. The frame unit is provided with a head tube and a main tube extending from the head tube to the rear part of the bicycle body, the main tube is provided with a pedal tube part towards the rear part of the bicycle body, the pedal tube part is provided with a rear frame towards the rear part of the bicycle body, and the rear frame is provided with a connecting transverse tube part; a driver seat cushion and a carrier part positioned behind the driver seat cushion are arranged above the rear frame; a power unit is arranged below the driver seat cushion; a power generation and starting controller is arranged on the connecting transverse pipe part, and a battery is arranged below the luggage carrier part; therefore, the defects of overlarge power loss and telecommunication loss of the power supply telecommunication wiring caused by overlong power supply telecommunication wiring between the power generation and starting controller and the power unit and overlong power supply telecommunication wiring between the power generation and starting controller and the battery can be avoided, so that the use effect of the motorcycle can be improved.
Owner:KWANG YANG MOTOR LTD
Optical module
PendingCN119310689AShorten wire lengthImprove transmission qualityCoupling light guidesElectrical connection printed elementsOptical ModuleElectrical connection
The embodiment of the invention provides an optical module which comprises a circuit board, the circuit board is provided with a first avoiding opening and a narrow board area, and the first avoiding opening and the narrow board area are located in the width direction of the circuit board in parallel. The light emitting component is located in the first avoiding opening, and the light receiving component is located on the upper surface of the narrow plate area. The optical module further comprises a base plate, the light emitting component is located on the base plate, and the narrow plate area of the base plate is located below the circuit board corresponding to the light receiving component. An electric connector is arranged at one end of the light emitting component, a second bonding pad area of the electric connector protrudes out of the emitting shell, the second bonding pad area is in routing connection with a signal pin area of the circuit board, impedance is reduced, and signal transmission quality is improved. The base plate comprises a first supporting part and a second supporting part, the shell bottom of the transmitting shell is welded to the first supporting part, and the second supporting part is located below the signal pin area.
Owner:HISENSE BROADBAND MULTIMEDIA TECH
Distributed strain accuracy improvement method and system based on online transfer learning
ActiveCN118518022Bimprove accuracyImprove spatial resolutionBiological modelsUsing optical meansComputational physicsFiber gratings
A method and system for improving the accuracy of distributed strain based on online transfer learning, the method comprising: first distributing multiple discrete fiber gratings in a long-distance optical cable bundle, measuring the distributed strain in the optical cable bundle by BOTDA, and at the same time, measuring the discrete FBG strains at multiple positions of the optical cable bundle by FBG, then smoothing and denoising the distributed strains as source domain data, and using the FBG strains as target domain data, and finally improving the accuracy of the distributed strains by an online transfer learning model according to the source domain data and the target domain data; the system is used to implement a method for improving the accuracy of distributed strains based on online transfer learning; the present invention transfers the distributed strains to the FBG strains, improves the accuracy of the distributed strains, and overcomes the measurement errors caused by random factors such as the Brillouin random scattering mechanism and light source fluctuations.
Owner:XIDIAN UNIV +1
Power consumption optimization method, device, apparatus and storage medium
ActiveCN116127914Breduce power consumptionShorten wire lengthEnergy efficient computingComputer aided designDesign softwareLayout
The application discloses a power consumption optimization method and device, equipment and a storage medium, and the method comprises the following steps: obtaining an RTL backward SAIF file based on a preset RTL design file of a target integrated circuit, reading the RTL backward SAIF file into a preset back-end design software to perform timing unit layout on the target integrated circuit; and performing power consumption optimization on the target integrated circuit based on the RTL backward SAIF file and a preset power consumption driving optimization command when the timing unit layout is performed. The application can generate an RTL backward SAIF file based on a preset RTL design file, obtain the switching behavior of the preset RTL design file through the RTL backward SAIF file, perform power consumption analysis based on the RTL backward SAIF file and the preset power consumption driving optimization command, and finally, the timing units with high flip rates in the target integrated circuit are gathered and configured through the switching behavior and the power consumption analysis result, so that the power consumption of the target integrated circuit is reduced.
Owner:GUANGZHOU INSTITUTE OF TECHNOLOY XIDIAN UNIVERSITY +1
Printed Circuit Board Design Methods and Electronic Devices
This application discloses a design method for a printed circuit board and an electronic device. The method involves obtaining initial position and initial angle information of target components on the printed circuit board; performing gradient iteration on the initial position and initial angle information according to a preset objective function to obtain fine-tuning position and angle information; minimizing the wiring length based on the position and angle information; solving the objective optimization function based on preset component layout constraints, fine-tuning position and angle information to obtain target position and target angle information; the preset component layout constraints include at least component spacing constraints, component non-overlapping constraints, and component boundary constraints; the objective optimization function indicates the wiring length and wiring rationality of the components; and the target position and target angle information minimize the objective optimization function. Finally, the target components are adjusted on the printed circuit board according to the target position and target angle information.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD