91 results about "Power distribution unit" patented technology

This disclosure provides an X-ray imaging device and its power distribution unit and wireless power transmission device. The power distribution unit includes: a first rectifier circuit, a charging circuit, an energy storage module, and a first inverter circuit; the input terminals of both the first rectifier circuit and the charging circuit are connected to the external power grid; the output terminal of the first rectifier circuit is connected to the input terminal of the first inverter circuit, and the output terminal of the first inverter circuit is connected to the wireless power transmission device of the X-ray imaging device; the output terminal of the charging circuit is connected to one end of the energy storage module, and the other end of the energy storage module is connected to the input terminal of the first inverter circuit. In this disclosure, the power supply from the power grid and the power supply from the energy storage module are in parallel, which can reduce the imaging device's demand on the power grid capacity. Since the charging circuit only participates in the charging process of the energy storage module and does not participate in the discharging process of the energy storage module, it can realize simultaneous charging and discharging of the energy storage module, and there are no excessive requirements on the power level of the charging circuit, which can reduce the cost of the charging circuit.

This application discloses a method, a power cabinet, and a power distribution control system for controlling power distribution from a power module to a charging terminal. A power distribution method includes: a power control unit determining a power distribution mode for one or more charging terminals, including: obtaining the number of available modules in the power module; calculating the required number of modules based on the power demand from one or more charging terminals and the rated power of a single power module; comparing the required number of modules with the number of available modules; determining an efficiency-priority mode or a power-priority mode as the power distribution mode based on the comparison result; the power control unit selecting a target power module and determining a target power path based on the power distribution mode; and the power control unit sending an instruction to a power distribution unit, causing the power distribution unit to invoke the target power module to distribute power to the charging terminal by controlling the operation of a switch associated with the target power module and the target power path.

This utility model relates to the field of novel power battery pack technology, specifically to a wireless display system for power batteries. It includes a power battery pack, a housing, and a display screen. The power battery pack contains a power distribution unit for collecting battery status data. The housing has a built-in wireless module that connects to the power distribution unit via a wiring harness to achieve wireless data transmission. The display screen communicates wirelessly with the wireless module and has a built-in independent power supply unit to ensure that key parameters can still be displayed even when power is off. This utility model solves the problems of easy breakage and signal instability in traditional wired connections in dynamic scenarios through wireless transmission technology. Simultaneously, the use of partition isolation and shielded cable design effectively reduces electromagnetic interference and improves data acquisition accuracy. It is suitable for scenarios requiring real-time battery status monitoring, such as new energy vehicles and construction machinery, and can significantly improve the safety and stability of power battery monitoring.

A power distribution unit includes a housing, a BMS assembly, an overcurrent assembly, and a wiring harness assembly. The housing includes a lid and a bottom wall disposed in a first direction, a first mounting cavity and a second mounting cavity disposed in the first direction being formed between the lid and the bottom wall. The BMS assembly is mounted in the first mounting cavity, where a wiring space is formed between the housing and a side of the BMS assembly in a second direction. The wiring harness assembly passes through the wiring space to be connected to the BMS assembly and the overcurrent assembly separately.

This utility model relates to a highly integrated powertrain mechanism for a pure electric all-terrain vehicle, including a motor and a cooling water circulation channel. The power output end of the motor is connected to the gearbox of the all-terrain vehicle. The motor is equipped with a first housing and a second housing. The cooling water circulation channel is connected in series inside the motor, the first housing, and the second housing. The inlet and outlet ports of the cooling water circulation channel are connected to the water-cooling system of the all-terrain vehicle. The first housing houses an on-board charger and an on-board power converter, while the second housing houses a motor controller and a power distribution unit. The wiring between the motor and the first housing uses a stacked busbar and a PCB harness, and the wiring between the first and second housings also uses a stacked busbar and a PCB harness. This highly integrated powertrain mechanism for a pure electric all-terrain vehicle integrates existing pure electric all-terrain vehicles into a coordinated whole, resulting in high energy conversion efficiency and strong power performance.

This application relates to the field of battery technology, specifically providing a battery power distribution unit, a power battery, and a vehicle. The battery power distribution unit includes: a bottom shell with an open upper end, the bottom shell including a receiving cavity; a control circuit board connected to the upper end of the bottom shell; a pre-charge circuit module located in the receiving cavity, the pre-charge circuit module including connection terminals that pass through the control circuit board and are electrically connected to the control circuit board; and a buffer pad sandwiched between the pre-charge circuit module and the opposing cavity walls of the receiving cavity. In this application, the connection terminals of the pre-charge circuit module pass through the control circuit board and are electrically connected to the control circuit board. This through-type connection method can better resist the stress caused by vibration and reduce the possibility of loose connection. The buffer pad can effectively isolate the direct contact between the pre-charge circuit module and the bottom shell, absorb and disperse the stress generated during vibration, reduce the electrical performance fluctuations caused by vibration, and ensure the reliability and electrical performance of the battery power distribution unit.

This invention provides a method, system, electronic device, and medium for adjusting charging limits and current limiting, belonging to the field of automotive technology. The method includes constructing an architecture where an IVI (In-Vehicle Controller) and a T-Box are connected in parallel to a power domain controller; responding to a charging target SOC signal input from the vehicle's infotainment system, the charging target SOC signal is sent to the power domain controller based on an IVI event-driven mechanism to control the on-board charger; responding to a charging target SOC signal input from a mobile terminal, the charging target SOC signal is sent to the power domain controller based on a T-Box event-driven mechanism to control the on-board charger. This invention, by constructing an architecture where the IVI and T-Box are directly connected in parallel to the PDCU (Power Distribution Unit), achieves direct control paths from IVI to PDCU and from T-Box to PDCU, resulting in high reliability and eliminating single points of failure on the command path. Even if the T-Box fails, the local control of the IVI remains effective, improving robustness and availability.

This application provides a domain controller, a battery pack assembly, and a vehicle. The domain controller includes: a housing, one end of which is a mounting end adapted to connect to the battery pack along a second direction; the mounting end has a wiring opening; the housing has a receiving space communicating with the wiring opening; an electronic control assembly located within the receiving space and including a high-voltage power distribution unit; and a wiring harness terminal connector located within the receiving space, electrically connected to the high-voltage power distribution unit, and adapted to connect to a connector on the battery pack via a first electrical connector passing through the wiring opening. This allows for the integration of the electronic control assembly, thereby reducing the internal space occupied by the electronic control assembly in the vehicle and improving the utilization rate of vehicle space. Furthermore, it facilitates a rational layout of the wiring of the electronic control assembly, thus improving the safety and reliability of the vehicle.

This utility model discloses a DC power distribution module and a DC power distribution system. The DC power distribution module includes: a power input unit, a power distribution unit, a current detection unit, and a protection unit; the power input unit is connected to at least one DC power supply and receives input from one DC power supply; the power distribution unit is connected to the power input unit and distributes one DC power supply into eight independent outputs; the current detection unit is connected to the eight outputs and monitors the current value of each of the eight outputs in real time to ensure that it operates within a preset safety range; the protection unit is connected to the eight outputs and is used to cut off the power output of one of the eight outputs when an overload or short circuit fault is detected. This utility model distributes one DC power input into multiple outputs and performs real-time current monitoring on the multiple outputs, providing overload and short circuit protection functions.

This invention belongs to the field of computer communication technology and discloses an embedded computer backplane conforming to the OpenVPX standard. It includes a base plate, a power management module, and multiple load slots disposed on the base plate. The power management module, disposed on the base plate, includes a power management coprocessor and a programmable power distribution unit. The power management coprocessor receives voltage setpoints and current limits determined by an external system management controller based on the power consumption of each load slot, and sends control commands for the voltage setpoints and current limits to the programmable power distribution unit. The programmable power distribution unit outputs the voltage setpoints and current limits to the corresponding load slots according to the control commands. In this invention, the power management module can achieve independent power supply control and dynamic power adjustment for the loads in each load slot, solving the problems of resource waste and insufficient power supply caused by fixed power distribution.

The utility model discloses a kind of server power distribution module and adapter frame, the server power distribution module includes power distribution unit and adapter frame;The front side of power distribution unit is equipped with several power sockets;The side end surface of left side and right side of power distribution unit is connected and is equipped with adapter frame;The adapter frame includes connecting plate and rear extension plate;The connecting plate is connected and fixed in side end surface, rear extension plate is connected with connecting plate and has the mounting plate that protrudes the rear side back of power distribution unit and extends towards back, mounting plate is equipped with mounting hole. Therefore, by setting the mounting plate that extends towards back, the rear side space of power distribution unit can be locked with the hole position in server cabinet, power distribution unit can still be fixed when the outer side space of both ends of power distribution unit is blocked Locking can be completed, and installation is convenient.

The invention relates to a high-voltage system comprising: - a high-voltage line (1) with a conductor (2), an inner insulation (3), a shield (4) in the form of a braided shield, and an outer insulation (5), - a plug and / or screw connector (6) comprising a shield sleeve (8) contacted with the shield (4) and extending from one end of a housing (7) with at least one contact spring, a conductor pin (9) contacted with the conductor (2) and extending from the end of the housing (7), and insulation (10) between the shield sleeve (8) and the conductor pin (9), - a high-voltage unit comprising a unit housing (11), a busbar (13) and a pin tray with a busbar contact (12) contacted with the busbar (13) and a housing contact (14) contacted with the unit housing (11), wherein the conductor pin (9) is contactable with the busbar contact (12), wherein further insulation (15) is arranged between the housing contact (14) and the busbar contact (12), wherein the shield sleeve (8) is contactable with the housing contact (14), wherein the shield (4) of each high-voltage line (1) is connected to a housing of at least one power distribution unit (24), wherein the housing of the at least one power distribution unit (24) is connected to a chassis (23) or frame (23) via a potential equalization cable (21).

The utility model belongs to vehicle-mounted light monitoring technical field, concretely relates to a vehicle-mounted light color real -time monitoring device, including mounting bracket, one side of mounting bracket is connected with drive element fixedly, monitoring mechanism includes adjusting shell, adjusting shell is rotatively connected with the other side of mounting bracket, and adjusting shell is connected with the output of drive element slidingly, the inside of adjusting shell is connected with monitoring camera fixedly, monitoring mechanism still includes computing unit, transmission unit and distribution unit, and computing unit includes image analysis module, image acquisition module, monitoring camera and image analysis module and image acquisition module electric connection, and distribution unit and vehicle-mounted power supply electric connection, the utility model drives monitoring camera through mounting bracket and drive element, carries out angle adjustment according to the nearness degree of light, captures the light spot distribution and chroma characteristics of multi-angle light, carries out real -time monitoring and analysis, and then carries out early warning to car lamp health and potential fault.

The utility model provides an AC power distribution cabinet comprising a cabinet body and a plurality of AC power distribution units. The front end of the AC power distribution unit is provided with an AC input cable and an AC input line concentration assembly, the rear end of the AC power distribution unit is provided with an AC output cable and an AC output line concentration assembly, and the AC power distribution unit comprises a power distribution shell, a female head AC input connector and a protection module. According to the alternating-current power distribution cabinet provided by the utility model, the space utilization rate in the cabinet body can be effectively improved, and the layout density in the alternating-current power distribution unit cabinet body is increased, so that the power distribution requirement of high-power-density equipment is met in a limited space; moreover, the short-circuit protection of the AC power distribution unit can be effectively realized through the protection module, thereby improving the safety of the AC power distribution unit. Besides, the AC power distribution unit can be independently operated from the power distribution cabinet body of the data center, multiple paths of AC input can be supported at the same time, and the applicability of the AC power distribution cabinet is enhanced.

A system and method for filtered visualization of dynamic load monitoring via a power distribution unit (PDU) collects power measurement data measured from each end device plugged into, and drawing operating power from, the PDU. The PDU collects the power measurement data into power state data over a line cycle or series of time intervals. Within the PDU, Kalman filtering determines a current power state estimate based on the measured power state data balanced with predictions of subsequent power state, as well as tuning parameters defining the balance from line cycle to line cycle. The resulting power state estimate may be displayed or presented to provide a more intuitive representation of operating power drawn by the end devices as opposed to raw power measurement data, which may be subject to fluctuation caused by high performance / AI pulsing loads.

A kind of nuclear power plant nuclear instrument system electronic board card special detection device, including host computer, signal measurement and control unit, micro-current source, signal distribution unit, signal switching unit, power distribution unit, UPS power supply unit.A kind of nuclear power plant nuclear instrument system electronic board card detection method, including the following steps: S1: test device self-checking;S2: read the type of board card to be measured;S3: card piece online state detection;S4: test mode selection;S5: card piece initialization;test program starts before, system sends preset signal to the card piece to be measured, sets the initial state of card piece;S6: test program starts;S7: test result generation;host computer compares and analyzes the test result of acquisition feedback according to database standard, when exceeding acceptance standard tolerance range, produces alarm.

A battery pack, including a base, a plurality of frame members, a first battery module, and a first power distribution unit. The plurality of frame members is disposed on the base and partition the base into at least a first battery accommodating space and a first electrical accommodating space. The first battery accommodating space and the first electrical accommodating space are isolated from each other. The first battery module is disposed in the first battery accommodating space. A first power distribution unit disposed in the first electrical accommodating space.

The application discloses a controller, a power distribution communication collaborative system, a vehicle, a control method and a control device, and belongs to the technical field of power distribution communication. The controller of the embodiment of the application is applied to the power distribution communication collaborative system. The power distribution communication collaborative system comprises at least one slave control module. In the controller, a processing unit is used for generating power supply control instructions and communication scheduling instructions. A power carrier communication unit is used for performing communication between the processing unit and the at least one slave control module according to the communication scheduling instructions. An intelligent power distribution unit is used for performing power distribution on the at least one slave control module according to the power supply control instructions. In this way, through the communication-control-power distribution integrated structure, wiring and hardware costs are reduced, and then the complexity and cost of the power distribution communication collaborative system are reduced. Meanwhile, the power supply control instructions and the communication scheduling instructions are synchronously generated, which is beneficial to improving the node response speed and then improving the node power supply and communication collaborative efficiency.

1. The name of the design product: power distribution unit. 2. The use of the design product: for distributing, transmitting the main input power to multiple electrical equipment, and monitoring the power state. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

1. Name of the designed product: AC power distribution unit. 2. Use of the designed product: for distributing power supply. 3. Design points of the designed product: in the shape of the product. 4. Picture or photo best indicating the design points: perspective view.

This invention discloses a comprehensive information processing board for angle calibration of an optoelectronic tracking device, comprising: an information acquisition module that acquires two-dimensional coordinate data of the laser spot on the target surface through a laser information acquisition camera; a data communication module with a multi-interface design, connecting to the camera, inertial measurement unit, autocollimator, optoelectronic tracking device, and power supply unit respectively, to realize real-time acquisition and transmission of multi-source data; a synchronization module that ensures system time synchronization based on a high-precision clock source; a data calculation module that constructs a three-dimensional spatial pointing model by fusing laser coordinates, inertial navigation attitude, autocollimation optical axis data, and optoelectronic tracking device miss distance information, and accurately calculates the azimuth / pitch angle deviation between the multispectral optical axis of the optoelectronic tracking device and the reference axis; and a power monitoring module equipped with dual-redundant detection circuits to monitor the power supply status in real time. This invention effectively improves the optical axis calibration accuracy and system reliability of the optoelectronic tracking device through multi-source data fusion and high-precision calculation.

This invention discloses a charging system for a hybrid AC / DC bus, comprising a charging terminal, a power supply unit, and at least one power distribution unit. The power distribution unit includes a switch matrix and at least two power access points. The power supply unit, the charging terminal, and the power access points are electrically connected. The charging terminal is electrically connected to the device to be charged. The switch matrix is ​​used to connect or disconnect any two of the power access points to adjust the charging power received by the device to be charged. The entire charging system can charge electric vehicles with both high and low charging power without requiring large-scale reconstruction of cable lines and upstream transformers, without affecting the normal operation of existing charging stations, thus reducing production and renovation costs.

A power cable network architecture provides fault managed power (FMP) signals in a data center. The architecture provides patching connections between feeder lines from power pods and trunk cables within an overhead cable raceway, as well as patching connections between the trunk cables within the overhead cable raceway and drop lines to power distribution units associated with rack-mounted servers throughout the data center. Conductors within the trunk line are larger in diameter, as compared conductors within the feeder and / or drop lines. In one embodiment, the patching connections can occur at patch panels via a port and plug arrangement. In another embodiment, the patching connections can occur at fixtures with insulation displacement connectors.

The utility model discloses a kind of overcurrent protection circuit and intelligent power distribution unit, comprising: current detection module, switch module, control module and at least one first suppression element;The output end of power supply is connected to the first end of current detection module, the first end of switch module is connected to the second end of current detection module, the input end of control module is connected to the output end of current detection module, and current detection module is used to collect the output current of power supply;The second end of switch module is connected to load, and the output end of control module is connected to the control end of switch module, control module is configured to when output current is greater than set threshold, control switch module is turned off;Wherein, first suppression element is connected to the first end and the second end of switch module, for when switch module is turned off, overvoltage pulse generated by the second end of switch module is inhibited.The utility model can solve the problem that switch module is damaged due to overvoltage pulse generated by inductive load when overcurrent is turned off.

Provided in the embodiments of the present application are a cabinet, a computing assembly and a data center. The cabinet has a first accommodating space and a second accommodating space inside arranged in a first direction, the first accommodating space being used for placing a plurality of vertically arranged computing devices, and the second accommodating space being used for placing a plurality of vertically arranged power distribution units, which are configured to connect power modules outside the cabinet with the plurality of computing devices to supply power to the plurality of computing devices. In the cabinet of the present embodiment, the plurality of computing devices and the plurality of power distribution units are integrated by means of the two accommodating spaces distributed side by side, thereby improving the space utilization rate and facilitating power management and maintenance. In addition, the power modules outside the cabinet are distributed to computing devices inside the cabinet by means of the plurality of power distribution units, thereby simplifying power wiring and avoiding cable clutter.

This application provides a power amplifier module, a control method for the power amplifier module, and a base station radio frequency unit. It belongs to the field of communication technology. It includes: a control unit, a power sampling unit, an input power distribution unit, a main amplifier, and a peak amplifier; the power sampling unit collects the power of the signal at a preset sampling rate to obtain the power of N sampling points, where N is a positive integer; based on the power of the sampling points, it determines the average power and peak power; the control unit receives the average power and peak power sent by the power sampling unit; based on the average power, it controls the input power distribution unit to output the signal from a third output terminal, input it to the main amplifier, or input it to the main amplifier and peak amplifier according to the signal input ratio corresponding to the peak power. This solves the problem of low efficiency in power amplifier modules.

This application relates to a power distribution unit, comprising: a housing including a bottom wall and a side wall that jointly define a mounting cavity, the side wall having a first wall and a second wall disposed opposite to each other along a first direction; a charging connector mounted on the first wall, and a positive battery connector and a negative battery connector mounted on the second wall and arranged sequentially along a second direction intersecting the first direction; a positive relay, a fuse, a direct current bus, a negative relay, and a first current bus, all mounted within the mounting cavity; the positive relay, fuse, and positive battery connector are directly opposite each other along the first direction, and the positive terminal of the charging connector, the positive relay, the direct current bus, the fuse, and the positive battery connector are sequentially electrically connected; the negative relay and the negative battery connector are spaced apart along the second direction on the same side of the positive relay, and the negative terminal of the charging connector, the negative relay, the first current bus, and the negative battery connector are sequentially electrically connected.

The application discloses a power distribution device and a charging system, and relates to the technical field of charging. The power distribution device comprises a positive electrode module, a negative electrode module and N power distribution units, the positive electrode module comprises M positive electrode units, the negative electrode module comprises M negative electrode units, wherein N and M are positive integers; each power distribution unit comprises a first switch group, each two first switch groups are connected, and each two first switch groups are connected with a power module of a charging system; each positive electrode unit and each negative electrode unit comprise a second switch group; each power distribution unit is arranged side by side in sequence, the positive electrode module, the arranged power distribution units and the negative electrode module are arranged vertically in sequence, and each second switch group in the positive electrode module and each second switch group in the negative electrode module are connected with corresponding first switch groups. Therefore, the expansibility and flexibility of the power distribution device are improved.