696 results about "Monoboard" patented technology

The invention relates to a network real-time synchronization communication system, and relates to the technical field of computer network communication. The system comprises four core modules: a hardware optical IO synchronization module which integrates a multi-wavelength optical transceiver array and an anti-jitter circuit and provides a nanosecond global clock signal, and the synchronization precision is less than or equal to 15ns; the time sequence arrangement module is used for dividing a fixed time window and a dynamic buffer window based on a time sensitive network, supporting a priority preemption mechanism of the SRIO bus and realizing deterministic data transmission; the distributed RTDATA nodes replace a traditional single-board computer, a heterogeneous computing unit and an intelligent storage controller are integrated, and protocol stack processing delay is reduced through the zero copy technology; according to the dynamic multicast routing system, a safely isolated multicast tree is constructed as required, and link load distribution is optimized in combination with machine learning. Through collaborative design of hardware optical synchronization and dynamic data arrangement, the problem of real-time performance reduction caused by multi-node communication concurrence is solved.

The invention discloses a power supply circuit, a power supply method, a server, a product and a medium, and relates to the technical field of server power supply, the total power demand of the server is dispersed through the parallel design of multiple power panels, the bus current of a single board connected to a first voltage is reduced to the safe bearing range of an MOS tube, the impact risk is reduced, and the service life of the server is prolonged. The electronic fuse is matched with the single-board power to set an overcurrent protection threshold value, and the short-circuit protection response time is shortened; each board is independently provided with a power supply brick to realize second voltage localization conversion and single board output current reduction, a multi-board output end combined power supply design is combined, a heat source is dispersed to eliminate heat accumulation, the through-current capability is multiplied through a parallel path, and the heat dissipation and electrical design feasibility of the circuit board is improved. The technical problems of MOS tube over-limit, overcurrent protection delay, circuit board heat accumulation and difficult through-flow caused by large current brought by a power supply in a high-power server are solved, and the technical effects of enhancing power supply reliability and optimizing energy efficiency are achieved.

The present invention provides an efficient hardware architecture for an ORAN compliant clock synchronizer module of a combined centralized unit and a distributed unit (CCDU) for a 5G basement application required for processing L1, L2 and L3 scheduling of the network. The CCDU design may provide the functionality of a CU and a DU with single unit and can operate over wide temperature range. A single board approach of the CCDU make the CCDU more reliable and less costly. The CCDU can support different kinds of synchronization and can provide site alarms over dry contacts to equip with external alarm device.

The invention discloses an electric energy meter single board defect detection method and system based on multi-modal data fusion, and relates to the technical field of electric energy meter intelligent quality detection.The electric energy meter single board defect detection method comprises the steps that electric energy meter single board images are synchronously collected and subjected to fusion preprocessing, and fused image data are obtained; constructing a defect detection model, and training the defect detection model; and performing real-time reasoning on the fused image data by utilizing the trained defect detection model, generating a defect detection result and evaluating the confidence coefficient of the defect detection result. According to the multi-modal data fusion-based electric energy meter single board defect detection method provided by the invention, synchronous acquisition and feature enhancement of multi-modal information of the electric energy meter single board are realized, high-quality input data are provided for a subsequent detection model, and deep feature modeling and recognition capability optimization oriented to various defects are realized; a whole-process reasoning mechanism of defect space positioning, type classification and credibility grading is realized, and finally, the purposes of accurate defect labeling and convenience in automatic sorting and quality closed-loop control are achieved.

The invention relates to the technical field of solid state disks, and discloses a port switching circuit, a controller, a solid state disk, a storage product and a server, the port switching circuit comprises a mode recognition circuit and a gating circuit, when the mode recognition circuit recognizes that a plurality of external devices are connected, the mode recognition circuit outputs a multi-port signal to the gating circuit, and when the mode recognition circuit outputs the multi-port signal to the storage product; the multi-port signal is used for controlling the gating circuit to transmit control signals and data between one external device and one corresponding storage device. According to the access number of the external devices, the bus interfaces connected with the gating circuit are determined, that is, when one external device is accessed, only one bus interface is used, and the storage device is in a single-port mode, and when a plurality of external devices are accessed, each external device uses one bus interface, and the storage device is in a multi-port mode. Therefore, the single-port / multi-port SSD design is realized on a set of hardware single board, and the product specification of the multi-port SSD is made up.

The invention discloses a calibration method and system of ATE test equipment. The calibration method comprises the steps of obtaining calibration data, performing self-compensation and measuring and calibrating a tested single board through a calibration device. The step of obtaining the calibration data comprises the steps of selecting one FPGA from the to-be-tested single boards as a calibration source, calibrating and calibrating the calibration source, calibrating the to-be-tested single board where the calibration source is located as a calibration device through the calibration source, and taking time delay data between a calibration device signal and a calibration source signal as the calibration data. The self-compensation comprises the following steps: compensating the signal delay of the calibration device according to the calibration data, and ensuring that the calibration device provides a reference synchronization signal for the tested single board. The FPGA is adopted as a calibration source, calibration of the test equipment can be completed without an external TDC calibration board, the limitation of the number of channels of a traditional TDC calibration board is broken through, and the accuracy and reliability of a calibration result are also improved.

The invention relates to a dual-computer hot-standby satellite-borne cryptographic device, a main-standby switching method, a satellite and a communication system, and the dual-computer hot-standby satellite-borne cryptographic device adopts a single-board dual-computer hot-standby hardware architecture; comprising a cryptographic module A and a cryptographic module B which are mutually active and standby, and an RAM chip which is used as a shared memory of the cryptographic module A and the cryptographic module B, two one-way signal lines are connected between the password module A and the password module B, one signal line transmits main and standby signals of the password module A from the password module A to the password module B, the other signal line transmits main and standby signals of the password module B from the password module B to the password module A, and the main and standby signals are used for autonomous switching of dual-computer hot standby; and the RAM chip is used for storing state information required by main / standby switching. According to the invention, the reliability of satellite load service password processing is improved.

The embodiment of the invention discloses a single board test fixture. The single board test fixture comprises a fixture base, a positive insertion module, a side insertion module and a mechanical fool-proof mechanism, an interlocking assembly and a fool-proof auxiliary part of the mechanical fool-proof mechanism can be adaptively switched between a first locking state and a second locking state, the first locking state is used for limiting the positive insertion module to be switched from a plug-in position to a disengagement position, and the second locking state is used for limiting the side insertion module to be switched from a plug-in position to a disengagement position. The second locking state is used for limiting the side insertion module to be switched to the opposite insertion position from the separation position; according to the mechanical fool-proof mechanism, linkage between the insertion module and the positive insertion module is established through the flexible traction piece, and the flexible traction piece is positioned and guided through the reversing pulley arranged on the arrangement path of the flexible traction piece. According to the arrangement, a reliable interlocking relation can be formed through the two locking pieces, the possibility of misoperation of the positive insertion module and the side insertion module can be completely avoided, fool-proof is effectively achieved, and product damage is prevented. In addition, based on the mechanical fool-proof mechanism, the electrical influence can be completely avoided, and the mechanical fool-proof mechanism has high operation reliability.

A method and system for stacking and unstacking of veneer includes using one or more veneer analysis systems to collect dimensions and quality data associated with the veneer being used to create a stack of veneer. In addition, location data for the veneer in the stack of veneer is recorded. The dimensions data, the quality data, and the location data for all the veneer in a stack of veneer is then combined into a stack of veneer profile data. The stack of veneer profile data is then correlated to the stack of veneer and stored in a database. Consequently, the location, quality, and dimensions data of the veneer making up the stack of veneer is known so that an accurate determination can be made of the volume, surface area and quality of veneer in the stack. In another example, 3D laser profiling is used to identify a veneer sheet portion that is at the top of a stack of veneer sheet portions so that the veneer sheet portion at the top of the stack can be identified and removed from the stack during unstacking.

The embodiment of the invention relates to a redundancy switching method for a controller, computing equipment and a storage medium. The method comprises the following steps: monitoring state information of current main equipment in a first main control unit and a second main control unit by a redundancy interaction switching unit so as to generate a redundancy monitoring signal based on the monitored state information; in response to determining that the redundancy monitoring signal indicates to perform redundancy switching, the switch switching unit cuts off the communication connection with the current master device, and the current slave device in the first master control unit and the second master control unit is switched to a new master device; and a new main device in the first main control unit and the second main control unit processes the data received by the controller, executes the logic control function of the controller, and performs data transmission through the base plate high-speed connector. Therefore, the redundancy switching speed of the single board card and the single module can be effectively improved, the space requirement is small, the redundancy control function can be realized by being carried on the single board card and the single module, and the hardware cost is greatly saved.

The embodiment of the invention discloses a method for controlling an optical module by a single board in an OLT (Optical Line Terminal) and a related device. A single board of an OLT can obtain information such as an identifier of a target ONU and a target working rate of the target ONU in the uplink time slot distribution process, and the single board sends the information to an optical module through a target interface. And the optical module determines working parameters according to the information carried in the target message. For example, the operating parameters of an equalizer, an amplifier, a filter and a laser are determined. That is to say, a new interface scheme between the single board and the optical module is provided, the single board can transmit more information to the optical module through the new interface scheme, and the requirement of the single board for controlling the optical module with higher complexity and higher efficiency is met.

The utility model discloses a single board detection tool used for an internet of things electric energy meter, comprising a detection bench which is provided with a four-station rotary table, the four-station rotary table is provided with a pedestal used for placing an electric energy meter to be detected, and the pedestal is provided with a positioning assembly; the feeding line, the detection assembly and the qualified product discharging line are arranged on the periphery of the four-station rotary table and used for feeding, detecting and discharging correspondingly. According to the utility model, the electric energy meter detection steps are decomposed, the time of single detection action is reduced, and the positioning assembly and the carrying module are used for replacing manual feeding and discharging actions, so that the detection efficiency is greatly improved, meanwhile, the time for waiting for discharging after detection is reduced, the working efficiency is further improved, and the large-batch detection requirement is met.

The invention provides a communication method of a TPM (Trusted Platform Module), the TPM, a single board and equipment, and is applied to the technical field of computers, the TPM comprises a TPM logic module, a receiving buffer, a TPM register and a processor, and the TPM register is a storage space divided from a memory of the TPM. The TPM logic module receives a TPM register write command sent by the host and stores the effective load of the write command to the receiving buffer, and the effective load of the TPM register write command is part of or all of the content forming TPM command data; when the data in the receiving buffer reaches a first data volume threshold value, the processor transfers and stores the data in the receiving buffer into a TPM (Trusted Platform Module) register; when all contents of the TPM command data are stored in the TPM register, the processor executes the TPM command data. The problem that TPM hardware cost is high due to the fact that a pure hardware scheme is adopted in TPM communication in the related technology can be solved.

The invention discloses a single board detection system and method, and relates to the field of rail transit, and the system comprises an adapter plug-in box which is provided with at least one first slot and at least one second slot, the first slot is used for connecting a detected plug-in, and the second slot is used for connecting an accompanying test plug-in; and the main control assembly is connected with the adapter plug-in box and is configured to send test information corresponding to the tested plug-in to the accompanying test plug-in when the tested plug-in is a first type of plug-in, determine a test result of the tested plug-in based on test data, and output a preset test signal to the tested plug-in when the tested plug-in is a second type of plug-in, obtaining a test result of the tested plug-in; and the accompanying test plug-in is configured to load configuration parameters corresponding to the test information so as to disguise the accompanying test plug-in as a target interaction plug-in of the tested plug-in, then interact with the tested plug-in and collect test data in the interaction process. According to the invention, the cost of developing special detection equipment for different plug-in types can be reduced, and the universality of the detection system is improved.

The invention discloses a dormancy awakening control device, a chip, a chip single board and a chip dormancy awakening method, and belongs to the technical field of chips. The sleep wake-up control device comprises an OR logic circuit and a latch. The output end of the OR logic circuit is connected with the first input end of the latch; the second input end of the latch is used for receiving a chip overall dormancy signal; the output end of the latch is connected with a first power supply; the first power supply is used for supplying power to the chip; under the condition that the second input end of the latch receives a chip overall dormancy signal, an output signal of the output end of the latch is in a first level state; the output signal in the first level state is used for triggering the first power supply to be powered down and switching to the second power supply to supply power to the sleep wake-up control device and the wake-up units of the physical layers of the ports included in the chip, so that the whole chip is sleep. According to the sleep wake-up control device disclosed by the invention, the overall power-off sleep of the chip can be realized, so that the power consumption of the chip is reduced.

A printed circuit board (PCB) serves as a core basic component of the electronic information industry, and the manufacturing process of the PCB faces double challenges of rapid iteration and customization requirements of electronic products. A traditional PCB manufacturing technology (such as mechanical board manufacturing, silk-screen printing and the like) is suitable for large-scale production, but has the defects of long production period, high cost, minimum order quantity limitation and the like, and is difficult to meet the market requirements of small batch and high flexibility. Under the background, the 3D printing technology is completely exposed by means of the efficient customized production capacity, the supply efficiency of a minimum batch of PCBs (such as test single boards and concept verification boards) can be remarkably improved, the production batch constraint of a traditional method is avoided, and the comprehensive cost advantage is shown in the design verification stage. However, the current 3D printing PCB technology is still limited by the circuit complexity and the number of layers and is mostly limited by single / double panel manufacturing, and the performance of the conductive slurry and the base material needs to be optimized urgently. The key technical bottlenecks of interlayer vertical interconnection, multilayer medium lamination manufacturing and the like need to be broken through in the future, so that 3D printing of high-density and multilayer arbitrary interconnection PCBs is achieved, deep application of the technology in the field of intelligent manufacturing and new materials is promoted, and an innovative development opportunity is created for the PCB industry.

The utility model relates to the technical field of motors, in particular to a motor back electromotive force automatic bleeder circuit and a swing type quick pass gate. According to the utility model, through arranging the passive back electromotive force discharge unit and the unidirectional conduction unit, when the motor generates back electromotive force, automatic conduction of the back electromotive force discharge unit and automatic cut-off of the unidirectional conduction unit are realized, thereby realizing automatic discharge of the back electromotive force, stably protecting a single-board device from being damaged by the back electromotive force of the motor, and prolonging the service life of the single-board device. Fixed and universal device type selection is realized and is not influenced by a motor type and a voltage withstanding value of a single-board device; and meanwhile, the equipment can still discharge back electromotive force under the condition of power failure, so that the single board is protected.

Hub adaptor to convert an existing hub (i.e., old fashioned finger plate assembly, a single plate assembly) which requires each individual finger to be pulled in physically by either pliers or finger pullers, to one compatible with a modern quick change finger system, or other two-plate systems.

The invention discloses a maintenance and detection platform for an aviation airborne electronic product, and relates to the technical field of aviation electronic test.The maintenance and detection platform comprises the steps that firstly, a plurality of functional areas to be tested are established through an auxiliary deep maintenance unit according to a target single board of the aviation airborne electronic product, and Mark point coordinates input and output by the functional areas to be tested are marked and positioned; therefore, based on the Mark point coordinates, a user is guided to connect the probe-type excitation injection unit and the probe-type high-speed acquisition unit with the input and output pins of the to-be-tested functional area through the universal columns, so that a standard excitation source is applied to the to-be-tested functional area of the target single board for fault test, and a response signal of the functional area of the target single board in the fault injection test is acquired. Therefore, the functional area with the fault of the target single board is positioned according to the response signal, and the fault reason is further determined according to the mechanism of the functional area to be detected and the fault form. The fault can be isolated and positioned to the combination of a plurality of functional areas of the single board, and the maintenance and detection period of aviation equipment is shortened.

The embodiment of the invention provides a chip system, an operation method, a data processing single board and electronic equipment, and is applied to the field of chip processing. The chip system comprises a control circuit, a memory, a memory gating circuit and at least two first processors, the at least two first processors are coupled through the memory gate circuit and the memory. The control circuit is used for responding to startup of the at least two first processors and outputting a storage gating control signal to the storage gating circuit, and the storage gating control signal is used for indicating the storage gating circuit to select one of the at least two first processors to establish data interaction connection with the memory. The selected first processor is used for reading first program firmware from the memory through the memory gating circuit when the data interaction connection is established with the memory, and the first program firmware is used for function running of one or more first processors in the at least two first processors. According to the embodiment of the invention, the device cost is reduced.

The invention discloses a distributed bus protection device for a hydropower station and a bus differential protection method, the distributed bus protection device comprises a host, the host is in communication connection with a plurality of sub-machines, and the host and the sub-machines are in single-channel or dual-channel optical fiber connection; the bus is provided with a plurality of branches, and the sub-machines are connected with the branches; wherein the branch circuit is provided with a plurality of circuit breakers used for controlling the on-off of the branch circuit, the branch circuit is also provided with a current transformer used for carrying out current sampling on the branch circuit, and the circuit breakers and the current transformer are connected with the sub-machine. The distributed topology design of cooperation of the host and the plurality of sub-machines can be adapted to various different bus systems, and a dual-channel optical fiber redundancy communication mechanism is matched to effectively overcome the fatal defect of protection failure of the whole station caused by a single-point fault of a centralized device. And when the host single board fails, the sub-machines can still realize cross-interval collaborative tripping through the preset local / opposite side identification codes.

The invention relates to the technical field of data processing, and discloses a PCB jointed board inspection method and computing equipment, the PCB jointed board comprises a plurality of PCB single boards, and the method comprises the following steps: obtaining position coordinates of a plurality of feature points on the plurality of PCB single boards and jointed board information of the PCB jointed board; determining position coordinates of at least one target feature point corresponding to a first feature point in the plurality of feature points based on the position coordinates of the plurality of feature points and the jointed board information; based on the position coordinate of the second feature point on the at least one second PCB single board and the position coordinate of the at least one target feature point, determining an inspection result of the PCB jointed board; the at least one second PCB single board is the PCB single board except the first PCB single board in the plurality of PCB single boards, and the inspection result of the PCB jointed board is used for indicating whether the target feature point exists on the second PCB single board or not. According to the method and the device, the efficiency and the accuracy of checking the jointed PCB can be improved.

The present disclosure provides a multi-channel signal sampling device and a calibration system, belonging to the technical field of signal processing; the multi-channel signal sampling device comprises a PXIe chassis and at least two acquisition cards arranged in the PXIe chassis; the multi-channel signal sampling device further comprises a synchronization program component, which is executed to determine the delay data between each channel of each acquisition card and the trigger channel according to the trigger channel currently located in the first target acquisition card and the pre-stored synchronization calibration basic data, and to synchronize each channel and the trigger channel according to the delay data; the synchronization calibration basic data comprises single-board calibration data and cross-board calibration data; the multi-channel signal sampling device can solve the problems of high synchronization calibration cost and design difficulty existing in the current PXIe sampling device.

The invention discloses a circuit board manufacturing method and electronic equipment, and relates to the technical field of production data collaborative analysis, and the method comprises the steps: firstly building a process influence coupling model based on a single board time sequence data sequence corresponding to the whole flow of a production line in a historical production process; the process influence coupling model can quantify the dynamic influence capability of each process on the subsequent quality state. Therefore, the process influence coupling model and the credibility of the data source equipment of each process can be combined to determine the fusion weight expressing the influence causal relationship of each process and the reliability of the data. Thus, the fusion weight is utilized to fuse the quality features of each process of the current batch, a comprehensive quality representation vector corresponding to the whole-process collaborative state can be obtained, and a defect propagation path diagram matched with the comprehensive quality representation vector is constructed. By means of the defect propagation path diagram, the target working procedure which causes the circuit board to generate defects at present can be determined from the production line, and the target working procedure is optimized, so that the overall process performance can be effectively improved.

The invention discloses a whole network element single board performance analysis method, system and device and a medium, and relates to the field of network communication. In the method, entities in a network structure are divided according to a preset classification standard, and a data model of a tree structure is constructed according to a division result; collecting performance index data of all network element single boards in real time, and classifying the performance index data into corresponding tree structure nodes; dynamically generating a current threshold value according to current data in the network structure by utilizing a preset prediction model, and determining whether the performance index data of the network element single board is normal or not according to the current threshold value; and when the performance index data of the network element single board is abnormal, determining a target network element single board, and positioning the abnormality according to the path of the target network element single board in the tree structure. By implementing the technical scheme provided by the invention, the performance abnormity of the network element single board of the whole network can be quickly and accurately identified and positioned, the fault response speed is improved, and the network operation and maintenance cost is reduced.

The invention discloses a manufacturing method for preventing a single-board guitar panel from recessing, and relates to the technical field of manufacturing for preventing the single-board guitar panel from recessing, and the method comprises the steps: carrying out the finite element stress simulation of a three-dimensional digital model of the single-board guitar panel, and determining a high-stress region in a stress state; according to the distribution characteristics of the high-stress area, generating a structure model of the bionic support network through topological optimization; preparing a lightweight support net with a bionic structure by adopting an additive manufacturing process based on the structure model; the method comprises the following steps: placing a to-be-processed veneer panel on a rigid mold with a preset curved surface, and carrying out plastic pre-deformation on the to-be-processed veneer panel under the action of vacuum negative pressure to obtain a pre-formed panel; a lightweight supporting net is fixed to a high-stress area on the inner side of the preformed panel; the modularized metal framework with preloaded stress is installed at a preset position in the guitar body to form a reverse acting force system which resists the downward sinking of the panel; and carrying out integral curing treatment on the guitar body provided with the supporting net and the metal framework to complete integrated manufacturing.

There is disclosed an improved additive manufacturing method and system for the production of components and structures, which integrates real-time monitoring and integrity diagnosis systems directly into the manufacturing process. The method introduces smart slicing technique by which smart sensor network layers (SNL) are embedded into sliced layers of a 3-D model at critical points during component design. The critical points are identified by structural analyses of the component using Finite Element Analysis (FEA). A Smart Extrusion and Mixing Module (SEMM) produces both primary printing material and conductive material for SNL layers. The SEMM operates in a direct extrusion mode for primary material and in a mixing and extrusion mode for conductive material. An Artificial Intelligence Single Board Computer (AISBC) manages the printing process and communication with SNL layers. Defect detection occurs in real-time during manufacturing, aided by a scanning module powered by an AI algorithm.

The utility model provides an electrical parameter measuring circuit, an electrical parameter measuring unit comprises a plurality of signal driving ends and a plurality of voltage output ends, each signal driving end corresponds to one voltage output end, and the measuring signal output end of each analog switch is correspondingly connected with one signal driving end; each sampling output end of the multiplexer is connected with the input end of the signal conditioning unit, and the voltage input end corresponding to the sampling output end is connected with one voltage output end in the electrical parameter measuring unit; the input end of the analog-to-digital conversion unit is connected with the output end of the signal conditioning unit, and the output end of the analog-to-digital conversion unit is connected with the input end of the main controller. In the scheme, a discrete scheme is replaced by the chip for measuring the electrical parameters, a single chip realizes the functions of voltage and current conversion and amplification, digital-to-analog conversion, clamping, calibration and the like, and an external analog switch circuit is matched to realize single-board multi-channel test, so that the reliability of chip test is improved, and the test efficiency is improved. And the board occupation area is reduced.

The utility model provides nixie tube automatic assembling equipment which comprises a machine base, and a machine base platform is provided with the following devices: an offcut removing device used for cutting offcuts of a PCB yoke plate; the first breaking device is used for breaking the PCB yoke plate into PCB battens; the second breaking device is used for breaking the PCB strip plate into the PCB single plates; the cleading device is used for assembling the PCB single board into the nixie tube shell; the testing device is used for electrical detection of the PCB single board; and the hot-pressing device is used for hot-pressing connection of the PCB single board and the nixie tube shell. The nixie tube automatic assembly equipment provided by the utility model realizes the trimming of a PCB yoke plate, the breaking of the PCB yoke plate into strip plates and single plates, the automatic detection of the PCB yoke plate, the casing of the PCB single plates and the hot-pressing connection of the PCB single plates, the equipment operation stability is good, the assembly work efficiency is high, and the production cost is reduced.

The utility model discloses a single board detection tool for a three-phase electric energy meter, which comprises a control box base, and a support conveying structure and a detection structure which are arranged on the control box base, and is characterized in that the support conveying structure is arranged on the control box base and is used for placing a PCBA (Printed Circuit Board Assembly) board and driving the PCBA board to enter the detection structure; the detection structure is used for carrying out power connection detection on a terminal structure on the internal PCBA board; the supporting and conveying structure comprises a base, a limiting support located on the base, a linear motor embedded in the base and a push plate located above the base, the detection structure comprises a detection frame body and a strip-shaped needle bed plate located on the inner side of the detection frame body, and a test probe is arranged on the strip-shaped needle bed plate and used for detecting PCBA board terminals in a contact mode. According to the utility model, the PCBA board can be mechanically or semi-automatically loaded and conveyed to the detection structure and automatically detected, the detection operation of the PCBA board of the three-phase electric energy meter can be automatically completed, and the detection efficiency is improved.