448 results about "Distribution circuits" patented technology

Various embodiments include a wireless communication network that comprises resource allocation circuitry. The resource allocation circuitry hosts a traffic forecasting machine learning model, a resource forecasting machine learning model, and a resource allocation machine learning model. The resource allocation circuitry obtains traffic data for a provisioning engine cluster and provides the traffic data to the traffic forecasting model. The resource allocation circuitry obtains an output that comprises a traffic prediction for the provisioning engine cluster and provides the prediction to the resource forecasting model. The resource allocation circuitry obtains an output that comprises a hardware requirement prediction for the provisioning engine cluster and provides the hardware requirement prediction to the resource allocation model. The resource allocation circuitry obtains an output that comprises a hardware allocation recommendation for the network provisioning engine cluster. The resource allocation circuitry allocates hardware resources to the cluster based on the hardware allocation recommendation.

The invention relates to the technical field of power distribution automation auxiliary power supply control, and discloses an intelligent power distribution circuit system for a digital ring main unit, which comprises a transient voltage gradient induction bridge circuit, a hardware signal processing circuit, a power switch unit and a controlled energy release unit, according to the system, a transient voltage gradient induction bridge circuit is used for collecting a primary side bus voltage change rate signal, a hardware signal processing circuit carries out derivation operation on an induction signal and compares the induction signal with a voltage gradient threshold value, and a power switch unit is blocked at the moment that the voltage abnormally drops so as to cut off a load current path. According to the invention, a hardware parameter direct mapping mechanism is utilized to realize microsecond transient protection response, and the physical decoupling of protection logic and digital software is realized by balancing bus potential pulse caused by sudden unloading of a load through the inherent dehumidification resistor in the multiplexing cabinet.

The invention relates to the technical field of vehicles, in particular to a dual-redundancy power supply management system and method, and the system comprises an intelligent power distribution unit which is integrated with a first-stage power distribution circuit and a second-stage power distribution circuit; a plurality of MOS (Metal Oxide Semiconductor) tubes are arranged in the primary power distribution circuit and are used for executing corresponding switching operations according to different power failure modes; the secondary power supply distribution circuit comprises a plurality of high-side driving units and is used for providing controlled power supply output for a load, and the high-side driving units have the functions of current detection, temperature detection and fault protection; and the control unit is used for controlling the on-off states of the MOS tube and the high-side driving unit and realizing feedback and remote control of fault information through a bus. Therefore, the problems of low integration level, limited functions, insufficient safety, difficulty in meeting high-order intelligent driving requirements and the like of a vehicle power supply management scheme in related technologies are solved.

The invention belongs to the technical field of circuit devices or systems for power supply or power distribution, and provides an energy storage coordination control method, a coordination controller and an energy storage coordination control system.The working condition of an energy storage system is judged according to an input signal, the total power fluctuation amplitude of an energy storage converter, the power grid voltage fluctuation amplitude and a power grid frequency error; the sampling frequency of analog-to-digital conversion in the direct-current small signal acquisition module and the alternating-current analog quantity acquisition module is switched according to the working condition, so that'dynamic sampling frequency adjustment based on the working condition 'can be realized, the compatibility of sampling at the frequency of more than 100KHz can be kept, the power consumption can be reduced in a steady state, the fault identification precision can be improved in a transient state, and the fault identification efficiency can be improved. The balance between the sampling efficiency and processor resource occupation is considered, and the operation requirement of a high-capacity energy storage system is met.

The invention discloses a high-side driving circuit, an electronic device, a vehicle and a control method. False triggering of a short-circuit protection mechanism is avoided. The high-side driving circuit comprises a power distribution circuit, a sampling circuit and a fault protection circuit, the power distribution circuit comprises a PMOS transistor and a first resistance circuit; the grid electrode of the PMOS tube is grounded through the first resistance circuit, the drain electrode of the PMOS tube is connected with a load, and the source electrode of the PMOS tube and the input end of the fault protection circuit are connected with a power supply; the output end of the fault protection circuit is connected with the grid electrode of the PMOS tube; the sampling circuit is connected with the drain electrode of the PMOS tube and the ground; the output end of the sampling circuit and the control end of the fault protection circuit are connected to the control unit; the control unit judges whether load short circuit occurs or not according to the sampling voltage, if not, the fault protection circuit is forbidden to output voltage, and if yes, the fault protection circuit is controlled to convert input voltage into target voltage to be output; the PMOS tube is in a variable resistance region when the fault protection circuit has no voltage output, and enters a cut-off region when the PMOS tube outputs a target voltage.

The invention discloses an electrically-operated drop-out fuse and a control method, and relates to the field of circuit devices for power supply or distribution, the electrically-operated drop-out fuse comprises a protective insulator, an intelligent control module, a drop-out assembly, a driving mechanism and a transmission mechanism, the protective insulator is of a longitudinally-penetrating groove structure, the top of the protective insulator is provided with a closed upper cover, and the intelligent control module is connected with the drop-out assembly; two sides of the protective insulator extend downwards to form side walls, the side walls and the insulator form a shield used for shielding the upper static contact and the upper moving contact, a closed cavity is arranged at the rear part of the protective insulator, and a driving mechanism is arranged in the cavity; the intelligent control module is electrically connected with the driving mechanism, the driving mechanism is connected with the transmission mechanism, and the intelligent control module controls the driving mechanism to drive the falling assembly through the transmission mechanism to realize opening or closing; according to the fuse and the control method provided by the invention, remote intelligent switch-on and switch-off can be realized, the operation is safe and reliable, the structure is compact, and the protection performance is excellent.

The invention discloses a monitoring terminal for a power distribution cabinet, and the terminal comprises an environment monitoring module which is used for the information collection of access control, water immersion, smoke sensing and gas in a power distribution room; the power distribution cabinet monitoring module is used for monitoring operation parameters, overvoltage, undervoltage, current, power and operation state of a power distribution loop; and the video monitoring module is used for real-time monitoring in the power distribution room. Through cooperative operation of the environment monitoring module, the power distribution cabinet monitoring module and the fault alarm module, breakthrough improvement of safety protection and operation and maintenance efficiency of the power distribution system is realized, and when environmental parameters are abnormal, the system is linked with video monitoring focusing and executes power cut-off / ventilation operation in an extremely short time, so that the rate of environment-related accidents is reduced, and the safety of the power distribution system is improved. And the circuit breaker health degree analysis module constructs an Hcb quantitative model based on parameters such as contact wear rate and operation times, so that the prediction accuracy is improved, the replacement period of the circuit breaker is prolonged, and the cost of spare parts is reduced.

The invention relates to the technical field of power supply or power distribution circuit devices of power systems, and discloses a power distribution loop self-reset state control system based on thermal parameter feedback, which comprises a thermal parameter acquisition module used for acquiring a physical heat dissipation temperature sequence of a power supply node after tripping; the historical load mapping module is used for calculating a closing transient temperature rise estimated value according to the load characteristic data within 24 hours before tripping and generating a dynamic correction value of a heat dissipation slope judgment boundary; the logic arbitration module is used for calculating the deviation degree of the heat dissipation slope of the double-window sampling sequence and judging whether the deviation degree is converged into a heat dissipation slope judgment boundary updated according to the dynamic correction amount or not; according to the invention, through a closed loop arbitration mechanism of a heat dissipation characteristic slope, a physical heat dissipation steady state inflection point is identified, a maloperation risk caused by environment thermal resistance drift and closing inrush current impact is eliminated, and power supply continuity is guaranteed.

The invention relates to the technical field of power system monitoring and anomaly analysis, and discloses a museum power distribution loop abnormal power consumption mode identification method and system. The method comprises the following steps: acquiring millisecond-level current and voltage original waveforms of each level of power distribution loop of a museum, and extracting a time sequence current sequence containing harmonic distortion rate mutation and leakage current high-frequency pulses; performing exhibition area portrait classification based on the sequence, and determining dominant load type labels of each loop; fusing the load label and the time sequence, and predicting a normal current track of each loop; collecting a latest current waveform in real time, comparing the latest current waveform with the predicted trajectory, and identifying and marking a potential abnormal loop; abnormal source equipment combination judgment and abnormal millisecond-level evolution characteristic analysis are carried out on the abnormal loop; and judging whether to trigger instant early warning or not according to the abnormal evolution characteristics and the equipment combination type. According to the invention, accurate identification and source positioning of abnormal power utilization of the distribution loop of the museum are realized, the false alarm rate is reduced, and the timeliness and reliability of abnormal response are improved.

The utility model relates to roadbed monitoring equipment integrating multiple sensors, which comprises a power supply, a temperature and humidity sensor, a settlement detector and a data acquisition device, and the power supply input end of the data acquisition device is connected to the power supply and is respectively connected with the temperature and humidity sensor and the settlement detector. The data acquisition device comprises a power supply distribution circuit, a microprocessor, a Cat1 modem and an RS485 communication module, the input end of the power supply distribution circuit is connected to a power supply, the output end of the power supply distribution circuit is connected to the microprocessor, the Cat1 modem and the RS485 communication module, the microprocessor is connected with the Cat1 modem, the Cat1 modem is connected with the RS485 communication module, and the RS485 communication module is connected with the microprocessor. The RS485 communication module is respectively connected with the temperature and humidity sensor and the settlement detector. Compared with the prior art, the utility model has the advantages of good durability, abundant data and the like.

The present disclosure provides a single-inductor multiple-output voltage converter, a power supply chip, and an electronic device, where the single-inductor multiple-output voltage converter comprises an energy generation circuit, an energy distribution circuit, a peak-inductor-current detection circuit, a zero-inductor-current detection circuit, and a control logic circuit. The aforementioned converter can provide multiple different output voltages using a single inductor without multiple operational amplifiers, thereby avoiding excessive bandwidth demand associated with multiple operational amplifiers, thus reducing power consumption.

An integrated triggering system for a pulsed-power driver is presented. The triggering system includes a pulse distribution circuit that couples externally generated trigger pulses to midplanes of a limited number of stages of the pulsed-power driver. The pulse distribution circuit includes common midplane nodes, each coupled to a group of midplanes of a same stage via respective isolating inductors. Isolating elements are coupled between the common midplane nodes of a same stage. The triggering system further includes a protection circuit configured to reduce coupling of high voltages triggered at the midplanes to external circuits while allowing the trigger pulses to couple to the midplanes. The protection circuit includes a high pass filter comprising a capacitor. The triggering system further includes a midplane biasing circuit configured to provide a reference ground to the midplanes of all stages. The midplane biasing circuit includes a resistive ladder with nodes coupled to the midplanes.

The invention relates to a storage calculation device supporting sparse matrix calculation, which comprises a storage core particle, a logic core particle, a multiply-accumulate circuit, a characteristic value distribution circuit and a sparse matrix decomposition circuit, and is characterized in that the storage core particle is used for storing a sparse weight matrix, and the logic core particle is used for data interaction, caching and control; the multiply-accumulate circuit executes multiply-accumulate operation of characteristic values and weights, the sparse matrix decomposition circuit screens out position codes of front # MAC non-zero weights in each operation period and outputs control signals, and the characteristic value distribution circuit dynamically maps input characteristic values to corresponding non-zero weights according to the control signals, so that calculation of an arbitrarily distributed sparse matrix is realized. The method has the advantages that multiply-accumulate operation is performed on the non-zero weight, the zero weight is skipped, power consumption is reduced, calculation efficiency is improved, and efficient processing of the sparse matrix is achieved through a storage and calculation integrated framework.

A low-voltage integrated power distribution architecture and a vehicle. The low-voltage integrated power distribution architecture comprises a high-voltage input end (110), a DCDC circuit (200), a low-voltage management circuit (400), a low-voltage power distribution circuit (300), and a low-voltage battery (500); the low-voltage power distribution circuit (300) is provided with a low-voltage power supply end (120) for connection to a low-voltage load; one end of the low-voltage power distribution circuit (300) is connected to the low-voltage battery (500) by means of the low-voltage management circuit (400); and the other end of the low-voltage power distribution circuit (300) is connected to a high-voltage input end (110) by means of the DCDC circuit (200). By integrating the DCDC circuit (200), the low-voltage management circuit (400), the low-voltage power distribution circuit (300), and the low-voltage battery (500) together and reusing a same controller (600), the function of managing the low-voltage management circuit (400), the low-voltage power distribution circuit (300), and the DCDC circuit (200) is integrated in the controller (600). The weight and size of the power distribution architecture are reduced, and the probability of parasitic inductance or parasitic capacitance between the DCDC circuit (200) and the low-voltage battery (500) causing damage to circuits in the vehicle is reduced.

According to the control on-chip low dropout linear regulator and off-chip triode current distribution circuit provided by the embodiment of the invention, two signals output by a common end between a drain electrode of a first NMOS (N-channel Metal Oxide Semiconductor) tube and a first current source and a common end between a drain electrode of a second NMOS tube and a second current source are utilized; the logic of the digital control unit is controlled, and the purpose of distributing current between the interior of the low-voltage linear voltage regulator and the triodes according to a design value is achieved.

A power distribution circuit for an electrically powered aircraft includes a plurality of batteries and a plurality of electric propulsion systems. A plurality of power distribution circuits each couple a battery of the plurality of batteries to two or more electric propulsion systems. The plurality of electric propulsion systems are positioned on the aircraft to apply balanced forces to the aircraft such that in the event of a failure, the aircraft remains stable and only experiences a loss in altitude or speed.

This electronic device comprises: a wireless communication circuit; a distribution circuit connected to the wireless communication circuit; a frame defining at least a portion of a side surface of the electronic device, wherein the frame includes a conductive portion having a first feed point and a second feed point electrically connected to the distribution circuit; and a phase shifting circuit for connecting the distribution circuit to the first feed point of the conductive portion. The conductive portion includes a first portion between the first feed point and the second feed point, a second portion between the first feed point and one end of the conductive portion, the first feed point being distinguished from a ground of the electronic device, and a third portion between the second feed point and the other end of the conductive portion, the second feed point being distinguished from the ground of the electronic device. The conductive portion is configured to function as a radiator of an antenna through the first portion of the conductive portion, the second portion of the conductive portion, and the third portion of the conductive portion.

Disclosed techniques relate to power management by work distribution circuitry. In some embodiments, a graphics processor includes first and second graphics processor sub-units that respectively include distributed work queue circuitry configured to store graphics work and shader circuitry configured to execute instructions specified by stored graphics work in the sub-unit's distributed work queue circuitry. In some embodiments, work control circuitry includes queue access circuitry to access graphics work in multiple queues and distribution circuitry to assign portions of respective sets of graphics work accessed from the multiple queues to the first and second graphics processor sub-units for execution. In some embodiments, tracking circuitry tracks status of assigned sets of graphics work. In some embodiments, the work control circuitry communicates with the power control circuitry to control power state of portions of the graphics processor based on: status of multiple queues and status of assigned sets of graphics work tracked by the tracking circuitry.

The utility model discloses a current backflow prevention charging pile for an electric automobile. The current backflow prevention charging pile comprises a charging pile body, a plurality of charging circuits and a dynamic power distribution circuit, the charging circuit comprises a charging module, a fuse, a shunt, a direct current contactor, a charging interface and an anti-backflow module; the positive pole of the charging module is connected with the input end of the fuse, the other end of the positive pole switch of the direct current contactor is connected with the input end of the anti-backflow module, and the output end of the anti-backflow module is connected with the positive pole of the charging interface; an anti-backflow module is additionally arranged on each path of the charging circuit and a direct current output bus of an electric vehicle charging interface circuit, so that any charging circuit can realize current backflow prevention, and the problem that electric vehicle batteries discharge to a charging pile or discharge between the electric vehicle batteries through the charging circuit under any condition is solved. Therefore, communication between the batteries of the electric vehicle is fundamentally solved, and the charging safety is further ensured.

A Doherty amplifier according to the present disclosure comprises a main amplifier, an auxiliary amplifier, a distribution circuit that distributes signals to the main amplifier and the auxiliary amplifier, and a phase compensation circuit. The main amplifier has a first input matching circuit and a plurality of main amplification stages. The auxiliary amplifier has a second input matching circuit and a plurality of auxiliary amplification stages. The distribution circuit has a first line connected to the first input matching circuit and a second line connected to the second input matching circuit. The electrical length of the first line is such that the input impedance of the first line is higher than the characteristic impedance of the first line and the imaginary component is less than 10% of the real component when a small signal is input. The electrical length of the second line is such that the input impedance of the second line is higher than the characteristic impedance of the second line and the imaginary component is less than 10% of the real component when a small signal is input. The phase compensation circuit is provided in an inter-stage matching circuit of the plurality of main amplification stages or the plurality of auxiliary amplification stages.

A content channel generation device includes: a splitting circuit for generating resource units according to resource assignments; a resource unit assignment circuit for generating a full binary tree according to the resource units; a node computing circuit for generating a minimum full binary tree according to the full binary tree; a load balance circuit for generating user field numbers corresponding to content channels according to the minimum full binary tree and a load balance function; a merging circuit for generating a traversal result of the minimum full binary tree according to a traversal algorithm, and for generating a merged traversal result according to the traversal result; and a common field generation circuit for generating a resource assignment indicator according to the merged traversal result to generate a common field.

The invention relates to the technical field of power supplies, and discloses a power distribution control circuit and a power distribution circuit, a first switch circuit can orderly receive and transmit a reset signal and a preset signal, and provides an accurate input basis for subsequent signal processing; and the signal holding circuit can maintain the current level for preset time when the preset signal and the reset signal have level changes, so that circuit misoperation caused by instantaneous fluctuation of the input signal can be avoided, the continuity and the stability of the power supply state of the load are further ensured, and power supply interruption or abnormal starting of the load caused by sudden signal change is prevented. And the second switching circuit is connected with the load by accessing the first power supply voltage, so that ordered on-off control of power supply of the load can be realized under the synergistic effect of the signal holding circuit, and the power supply state of the load can be accurately adjusted according to actual requirements.

An antenna array module is provided, in which two or more antenna units are mounted on one side, which is provided with two power divider circuits from a power supply circuit board, and a filter is mounted on the other side, which is provided with two matching circuits from the same board. Each of the power divider circuits is provided with one input terminal and several output terminals. The output terminals of one power divider circuit provide -45° polarized power to the antenna units, respectively, and the output terminals of the other power divider circuit provide +45° polarized power to the antenna units, respectively.Each coupling circuit is provided with a radio frequency input terminal and an output terminal, with the output terminal of each coupling circuit connected to the input terminal of a power divider circuit, respectively. The filter is provided with at least two output terminals, each of the two filter output terminals being electrically connected to the radio frequency input terminals of the coupling circuits, respectively. A base station antenna is also provided. The present invention achieves integration and modularity, improving expandability through simple mounting and connection structures, which facilitates subsequent debugging and maintenance, thereby reducing manufacturing and operating costs.

The high-voltage power distribution circuit comprises a main control chip, a battery interface and a DC-DC module, the battery interface can be communicated with an external battery, the DC-DC module comprises a high-voltage input end and a low-voltage output end, the high-voltage input end can be communicated with the battery interface, and the low-voltage output end can be communicated with the main control chip. The high-voltage direct current of the battery can be converted into the low-voltage direct current, and the DC-DC module can be automatically awakened and detect the state of the battery according to the preset period after the vehicle is powered off, so that the possible battery safety problem can be found in time, the fault can be quickly handled after the fault occurs, and the influence caused by the fault is reduced.

A kind of board card, cabinet, clock distribution circuit and system applied to quantum computing belong to quantum computing technical field;High-precision clock source is used to synchronize output high-speed clock signal and low-speed clock signal, ensure the synchronization of low-speed reference clock and high-speed sampling clock of multiple cabinets, multiple board cards;Independent clock distribution board card is used, high-speed clock electrical signal is converted into high-speed clock optical signal by microwave modulation light source, after optical power amplification, optical beam splitter, it is distributed to the clock distribution board card of each cabinet by optical fiber, low-speed clock electrical signal is connected to the clock distribution board card of each cabinet by radio frequency cable;High-speed clock optical signal, low-speed clock electrical signal are input to clock distribution board card, then by clock distribution board card distribution to each control board card, reduce the number of PD detector, Buffer, PLL and amplification filtering module on clock signal transmission path, reduce cabinet space use pressure and cost.

The utility model provides a kind of photoelectric sensor particle detection device and equipment based on double channel detection, it is related to optical particle detection technical field.The device sensor sampling circuit output end is connected with sampling signal distribution circuit input end;Sampling signal distribution circuit first output end is connected with first signal gain circuit input end, and second output end is connected with second signal gain circuit input end;First signal gain circuit output end is connected with first analog-digital conversion circuit input end;Second signal gain circuit output end is connected with second analog-digital conversion circuit input end;The gain coefficient of first signal gain circuit is greater than second signal gain circuit;The output end of first analog-digital conversion circuit and second analog-digital conversion circuit is connected with digital signal processing circuit.The utility model can make signal pass through different gain amplifier, double ADC sampling, make one way channel satisfy small particle measurement, another way satisfies large particle measurement, and the electrical signal of larger particle and smaller particle can be considered.

The utility model discloses a power distribution circuit board of an energy storage system and the energy storage system, the power distribution circuit board of the energy storage system comprises a three-phase load power supply module, the three-phase load power supply module comprises a first AC copper bar, a first onboard fuse base and a first connector, the first connector is coupled to the first AC copper bar through the first onboard fuse base, and the first connector is coupled to the first AC copper bar through the first onboard fuse base; the first connector is used for connecting three-phase alternating current electric equipment; the single-phase load power supply module comprises a second alternating-current copper bar, a second onboard fuse base and a second connector, the second connector is coupled to the second alternating-current copper bar through the second onboard fuse base, and the second connector is used for being connected with single-phase alternating-current electric equipment; the direct current load power supply module comprises a direct current copper bar, an electric fuse and a third connector, the third connector is coupled to the direct current copper bar through the electric fuse, and the third connector is used for being connected with direct current electric equipment. According to the embodiment of the invention, the size of the power distribution module of the energy storage system can be reduced, and the usability of the power distribution module can be improved.

This invention relates to a dedicated branch box for AC charging piles and its power supply control method. The box includes a housing, a main power supply circuit within the box, a branch distribution circuit electrically connected to the main power supply circuit, and multiple outgoing line units. The main power supply circuit includes a horizontal main busbar arranged horizontally within the box, an incoming line interface at one end of the horizontal main busbar, an expansion interface at the opposite end, and a main disconnect switch between the incoming line interface and the horizontal main busbar. The incoming line interface and the expansion interface are fixedly connected to the horizontal main busbar, and the expansion interface is used to connect to the main power supply circuit of another branch box of the same type via a cable. The branch distribution circuit is located on one side of the horizontal main busbar and electrically connected to it. Multiple outgoing line units are spaced apart along the length of the branch distribution circuit. Each outgoing line unit includes a circuit breaker installed on the branch distribution circuit and an outgoing line interface electrically connected to the circuit breaker. The outgoing line interface is located at the bottom of the box. This invention improves power distribution safety.

A battery protection circuit device includes a first voltage distribution circuit that connects to positive and negative charger terminals, and configured to distribute a charging voltage of the charger; a first FET that connects between a battery and the positive terminal to receive a charging current from the charger and supply the charging current to the battery, the first FET being connected to a first node of the first voltage distribution circuit, and controlled based on a magnitude of the charging voltage; a second voltage distribution circuit that connects to the positive and negative terminals, and configured to distribute the charging voltage; and a second FET that electrically connects to the positive terminal of the charger, the second FET being electrically connected to the first node of the first voltage distribution circuit and a second node of the second voltage distribution circuit, and turned on or off based on the magnitude of the charging voltage of the charger.