345 results about "Power management system" patented technology

The invention discloses an IP event counting device and method, equipment and a storage medium. Comprising an IP function module and a power management module. The IP function module comprises a counting register; the power management module comprises a counting mirror image register and a cardinal number register; the counting register is connected with the counting mirror image register through a hardware connection line; when the IP function module is powered off, the IP function module reads the first count value from the count register and reads the third count value from the cardinal number register, the first count value and the third count value are accumulated, and an accumulation result is written into the cardinal number register to serve as a new third count value; and when the IP function module is in a power-on state, the power management module reads the second count value from the counting mirror image register every set duration, accumulates the read second count value and the third count value through the adder, and determines an accumulation result as a target count value of the preset IP event. And occupation of software and hardware resources of the power management system is reduced.

The invention relates to the technical field of video card power management, and discloses a power management method, device and equipment for a video card and a storage medium. The method comprises the following steps: collecting time sequence data of SM unit frequency of a graphics card, GDDR video memory bandwidth and VRM output voltage in real time, and establishing a GPU power consumption topology model; based on the GPU power consumption topology model, extracting a time sequence feature vector of the load change of the rendering pipeline; constructing a sparse representation matrix based on the time sequence feature vector; performing power consumption gradient threshold judgment and delay type classification by using the sparse representation matrix, and identifying a delay fault type in the current graphics card power management system; and adjusting a switching parameter of the GPU, a VRM compensation current and a fan rotating speed according to the identified delay fault type, and updating a delay detection threshold value and a repair strategy strength parameter. According to the invention, three different delay fault types of frequency climbing, voltage regulation and temperature control current limiting can be accurately distinguished, and continuous optimization of power management performance is realized.

The invention provides a control method and device for power switching of charging modules, a storage medium and an application power management system, the system comprises a plurality of charging modules and switching modules, every two charging modules of the plurality of charging modules are connected through the switching modules, and the switching modules are connected with the charging modules. The switching module is used for controlling connection and disconnection among the plurality of charging modules, and the method comprises the following steps: obtaining a power demand of a target charging terminal and operation parameters of the plurality of charging modules, determining the number of the charging modules to be input for meeting the power demand according to the power parameters, the method comprises the following steps: firstly, operating a plurality of charging modules, calculating comprehensive health degrees corresponding to the plurality of charging modules based on operating time and operating efficiency, then, determining switching priorities corresponding to the plurality of charging modules, determining the charging modules needing to be switched according to the switching priorities, and finally, controlling a switching module to perform switching control on a target switching charging module. Individual modules in the plurality of charging modules can be prevented from being overused, and the service life of the charging modules is prolonged.

The invention discloses a passive wireless sensor power management system for a transformer substation, and relates to the technical field of transformer substation power management, comprising the following steps: acquiring electric energy from an electromagnetic field, a temperature difference or micro vibration in a transformer substation environment, and respectively storing the electric energy in a capacitor and a solid-state battery; the stored electric energy is preprocessed, the remaining electric quantity is collected, and an energy supply and demand prediction model is constructed. According to the invention, the problems of unstable power supply and low energy utilization rate of the passive wireless sensor of the transformer substation in a complex environment are effectively solved, and the capturing efficiency of low-density environment energy is improved; the stability and the service life of energy storage are optimized; according to the method, prospective judgment of the energy supply and demand trend and on-demand distribution of power supply resources are achieved, power supply does not need to depend on a traditional battery, the maintenance cost and the safety risk are reduced, and the overall stability and practicability of the intelligent monitoring system of the transformer substation are improved.

The invention belongs to the technical field of power system automation and energy management, and particularly discloses a standby power management system for power utilization information acquisition of a power grid and a control method. The system comprises a main power supply monitoring module, an energy reserve management module, a communication environment sensing module, an energy efficiency strategy decision core and a task priority scheduling module. The communication step length and the transmitting power are dynamically adjusted by capturing the states of a power grid, a battery and a channel in real time, and data scheduling is executed according to priorities. By the adoption of the technical scheme, fine distribution of electric energy is achieved, invalid standby power consumption is reduced, the life cycle of the collection terminal in the power-off state is prolonged, reliable reporting of key information under the extreme working condition is ensured, and data support is provided for research and judgment of power grid faults.

The embodiment of the invention provides a multi-power-domain power management method, a power management system and electronic equipment, and relates to the technical field of power consumption management. The method is applied to a power supply normally open domain of the power supply management system, the power supply management system further comprises a main low dropout linear regulator, a plurality of power supply domains, a power supply switch array and an analog domain, the main low dropout linear regulator and the analog domain are connected with an external power supply, and the main low dropout linear regulator is connected with the power supply domains through the power supply switch array. The analog domain comprises a high-speed clock; the method comprises the following steps: in response to a standby mode entering instruction, sending a first control signal to an analog domain to turn off a high-speed clock; sending a group of second control signals to the power switch array to cut off power supply to at least one target power domain; and sending a third control signal to the main low-dropout linear voltage regulator to regulate the main low-dropout linear voltage regulator to enter a low-power-consumption working mode Therefore, the time for entering the low-power-consumption mode can be reduced.

A vehicle power management system and method are provided for disconnecting / resetting a load and using a current profile based on vehicle information. Each channel of the power management system can be turned off automatically to isolate a faulted load or commanded to reset a downstream device. Also, the power management system can compensate its response based on ambient temperature or other vehicle conditions. Other embodiments are provided.

The invention discloses an integrated intelligent power management system and a harmonic control method. The method comprises the following steps: acquiring analog signals of voltage and current; digital signal sequences of voltages and currents in the N power distribution nodes are generated; obtaining a K-order frequency domain harmonic component of each power distribution node; judging abnormal harmonic nodes; if the abnormal harmonic nodes exist in the N power distribution nodes, constructing a harmonic description matrix for abnormal harmonic source positioning; inputting the harmonic description matrix into a pre-trained abnormal harmonic source positioning model, and outputting an abnormal node identifier where an abnormal harmonic source is located; according to the method, the judgment of the abnormal harmonic nodes is converted from single-index passive alarm to multi-feature driven active identification, and the management level of a power system is improved.

A smart ring system for changing applications and methods for making and using the same. The smart ring system comprises a wearable smart ring equipped with input mechanisms for user interaction, wireless communication devices for interfacing with a variety of electronic devices and / or a power management system for efficient energy use. The smart ring system advantageously can allow users to seamlessly switch between and control applications on connected devices, such as smartphones, cameras, televisions, smart home devices, mixed-reality devices, via a combination of rotational motion gestures, optical and capacitive based touch inputs, haptic feedback and color indications on the smart ring system. The smart ring system advantageously can be manufactured with one or more flexible printed circuit boards that can be encased via an over molding process, which allows for thinner and more compact device profile for improved wearability.

An electronic device may include a display panel to display images based on corresponding image data and an image source to pre-render a flip-book including a first image frame for display at a first target presentation time and a second image frame for display at a second target presentation time. The electronic device may also include a display pipeline coupled between the display panel and the image source having image data processing circuitry to process image data for display. The electronic device may also include a controller to instruct the display pipeline to process image data, to determine a power-on time based on a target presentation time, and to instruct the display pipeline to power-gate the image data processing circuitry upon completion of the processing of image data and until the power-on time is reached.

The utility model relates to a power supply management system for a mobile robot, which comprises a power supply, the output end of the power supply is connected with the input end of a power supply control unit, and the first output end of the power supply control unit is connected with the input end of a servo wheel set. The second output end of the power supply control unit is connected with the input end of the main control unit, the second output end of the power supply control unit is connected with the input ends of the servo wheel set, the IMU sensor, the industrial 4G router, the 485 lamp strip controller and the 3.3 V relay, and the output end of the main control unit is connected with the input end of the 485 lamp strip controller. The input end of the main control unit is connected with the output end of the camera, the main control unit is in interactive connection with the servo wheel set and the IMU sensor through CAN communication lines, and the output end of the main control unit is connected with the input end of the charging contactor through the 3.3 V relay. According to the utility model, the safety and reliability of power management are improved.

The utility model belongs to the field of electronic control, and relates to a VPX reinforced controller which comprises a processor, a bridge piece, a VPX back plate, a VPX standard connector, a status lamp, a power management system, an intelligent management chip, a data exchange module and an IO expansion interface which are electrically connected. The bridge piece is connected with external electronic equipment through the I O expansion interface, the VPX standard connector is connected with the VPX backboard, the status lamp is connected with the power management system through the LED driving circuit, the power management system is connected with the VPX backboard through a power line, and the intelligent management chip is connected with the processor and the bridge piece through an internal bus. High efficiency and real-time performance of data transmission are ensured, and a solid foundation is provided for complex operation and high-speed data processing; seamless butt joint between systems is guaranteed, modularization and expandability of the system are improved, and later maintenance and upgrading are facilitated. And diversified application scene requirements are met.

The invention relates to the technical field of intelligent regulation and control, in particular to a goaf wireless detection low-power-consumption management system which comprises a parameter initialization module, a data integration module, a safety evaluation module, a strategy response module, a node dormancy regulation and control module and an operation efficiency feedback and parameter tuning module. Performing parameter initialization on the sensing monitoring nodes in the target area to obtain low-power-consumption operation control parameters; acquiring multi-parameter environment data of the target area; performing risk threshold evaluation on the safety state of the target area to obtain a safety evaluation result; performing strategy response on the sensing monitoring nodes to obtain an instruction control strategy; performing adaptive regulation and control on the activity duration and the dormancy duration of the sensing monitoring node to obtain a dormancy regulation and control instruction; monitoring an execution state and energy consumption data of the instruction control strategy and the dormancy regulation and control instruction to obtain an operation efficiency evaluation report to perform synchronous regulation and control on low-power-consumption operation control parameters; according to the invention, the efficiency of low-power-consumption management of wireless detection of the goaf can be improved.

The present disclosure relates to a backup power management system and a backup power management method. The backup power management system comprises a power supply unit, a backup power unit, a system control unit and a power monitoring unit. The power supply unit supplies power to an electrical device by an external power source. The backup power unit supplies power to the electrical device when the power supply unit fails to supply power to the electrical device. The power monitoring unit monitors the status of the power supply unit and the backup power unit to transmit a supplemental charging information to the system control unit when the power supply unit is able to supply power normally and the remaining power of the backup power unit is lower than a preset supplemental power threshold, for the system control unit to determine a supplemental charging strategy of the power supply unit to the backup power unit. The system control unit determines the supplemental charging strategy based on a comparison of a load rate of the external power source and a preset load rate threshold. The power monitoring unit receives the supplemental charging strategy from the system control unit and controls the power supply unit to perform supplemental charging to the backup power unit according to the supplemental charging strategy.

The application discloses a charging pile power management system based on Internet of Things and concretely relates to the technical field of Internet of Things, and comprises a data acquisition module for collecting real-time operation data of the charging pile through a sensor to form a data set; a data processing module for processing the data according to a preset or optimized strategy to generate a processed data set; a scene analysis module for analyzing the processed data set and dividing charging pile operation scenes; a data feature extraction module for extracting and analyzing features when the optimized mechanism is triggered; a logic judgment module for formulating an optimized strategy through fuzzy logic reasoning and sending the optimized strategy to the data processing module; and a power energy efficiency management module for adaptively adjusting power distribution and improving system energy efficiency; the application can reduce data transmission delay and improve response speed, so that users can obtain a smoother experience when using the charging pile, and the transmission of redundant information is reduced and efficient power management is realized through the optimized strategy.

The invention belongs to the technical field of electric power intelligent dispatching, and particularly discloses a self-adaptive household power supply management system and a management method thereof, and the system comprises a multi-port bidirectional conversion module, a central processing unit, a multi-mode sensing unit and an intelligent execution unit, load characteristics, environment states, user preferences and power grid and energy state data are collected through a multi-mode sensing unit; based on the collected data, executing a dynamic priority scheduling algorithm through a central processing unit, calculating a dynamic priority coefficient of each load and generating a scheduling decision; according to the scheduling decision, controlling the energy flow direction of a multi-port bidirectional conversion module and the power supply operation of an intelligent execution unit on a load; load identity and state are identified through multi-dimensional electrical characteristics, fine energy scheduling is realized, economy, comfort and safety are balanced, and system toughness and adaptive capacity are improved.

A battery monitoring system for a battery of a battery electric system includes a sensor array, a processor, and memory. Execution of the instructions by a processor according to a method causes the processor to receive parameters of the battery from the sensor array, calculate a rate of increase of an internal resistance (ΔR ratio) of the battery across multiple states of charge of the battery, compare the ΔR ratio to one or more degradation thresholds, and record a corresponding degradation level of the battery in the memory when the ΔR ratio exceeds the degradation threshold(s). A state of health notice may be transmitted to a remote device.

The application discloses a fuel cell power management system and a control method. The system comprises a main power supply, a secondary power supply, an auxiliary module and a power management module. The power management module is used for supplying power to the power management module and the auxiliary module by the main power supply if the main power supply works normally; supplying power to the power management module and the auxiliary module by the secondary power supply if the main power supply works abnormally and the secondary power supply works normally. The main power supply comprises a fuel cell power generation module and a voltage reduction module, and the fuel cell power generation module is connected with a main power supply input port of the power management module through the voltage reduction module. The secondary power supply comprises a power grid and a rectification module, and the power grid is connected with a secondary power supply input port of the power management module through the rectification module. The application is beneficial to improving the working stability of the fuel cell device. The application can be widely applied in the technical field of fuel cells.

The invention discloses a vehicle-mounted refrigerator control method and device, electronic equipment and a storage medium, and the method comprises the steps that in response to a locking signal of a vehicle, current state information of the vehicle is obtained; the current state information comprises battery electric quantity, vehicle speed, vehicle door state and gear state; performing security judgment based on the current state information, and generating a target power management mode message when the result of the security judgment is passing; the target power management mode message indicates to be switched to a refrigerator power holding mode; the target power management mode message is broadcasted through a controller local area network of a vehicle, so that a vehicle power management system responds to the target power management mode message to continuously supply power to a vehicle-mounted refrigerator controller, and at least one other controller responds to the target power management mode message to enter a dormant state, and the energy consumption of the whole vehicle is reduced to the greatest extent while the use requirement of a user on the vehicle-mounted refrigerator is met.

The embodiment of the present application provides a power management system, an MCU, a BMS and a battery, which can meet the power supply demand of the MCU and has higher reliability. The power management system comprises: a first power supply module connected with a power supply, used for generating a first voltage according to the voltage of the power supply, diagnosing the first voltage, and storing the diagnosis result of the first voltage; a second power supply module connected with the first power supply module, used for generating a second voltage according to the first voltage, the second voltage being smaller than the first voltage, and the second voltage being the working voltage of the MCU; and the MCU connected with the first power supply module and the second power supply module, used for reading the diagnosis result of the first voltage from the first power supply module, and determining whether to control the BMS to enter a safe state according to the diagnosis result of the first voltage.

The utility model provides a power management system for a mobile DR imaging X-ray machine, which comprises a battery module, the battery module is connected with a power management module, and a signal input end of the power management module is used for receiving state signals of a plurality of power utilization units. The signal output end of the power management module is connected with a plurality of power utilization unit power supply modules in one-to-one correspondence with the power utilization unit state signals, and the power management module controls the corresponding power utilization unit power supply modules to supply power to the corresponding power utilization units after receiving the power utilization unit state signals. According to the utility model, useless loss can be effectively reduced, the service efficiency of the battery is greatly improved, and the service time of single charging of the battery is prolonged.

The application discloses a kind of new battery management systems applied to A00 grade new energy electric vehicle new type, including main control daughter board and MOS daughter board, the MOS daughter board is fixed on assembly support, the main control daughter board is fixed on MOS daughter board by copper stud, the main control daughter board is constituted by AFE chip, MCU module, power module, CAN module, wake-up module, EEPROM module and FLASH module, the MOS daughter board is constituted by charging MOS, discharging MOS, shunt, DCDC pre-charging MOS, DCDC MOS and heating MOS;The application is under the monitoring of high-power management system, the whole vehicle DCDC module continuously outputs 12V low-voltage power supply to central control platform, reduces battery pack cost, integrates the traditional PDU function in battery pack to management system, simultaneously reduces the assembly complexity of battery pack, improves the whole vehicle safety, built-in power battery output short-circuit protection function, can prevent the whole vehicle safety hazard caused by external short circuit.

The application relates to the technical field of intelligent driving, and provides a camera power management system and a vehicle. The system comprises a primary chip, a plurality of secondary chips, one or more camera groups, and a deserializer corresponding to each camera group. The primary chip is used for determining a to-be-powered chip from all the secondary chips, and outputting a primary power supply voltage to the to-be-powered chip to a first output end according to a vehicle power supply. The secondary chip outputs a secondary power supply voltage corresponding to each camera group to a second output end according to the primary power supply voltage. Each camera group comprises one or more cameras and a third input end, and the third input end is used for supplying power to all the cameras in the camera group according to the secondary power supply voltage. Each deserializer is used for transmitting data between the camera group and the secondary chip. The power supply reliability of the camera group can be guaranteed by arranging the plurality of secondary chips, so that the camera group can normally work.

Methods, systems, and apparatus, for predicting power measurements on a device using predictive models. One of the methods includes continually generating, by a power sensor of a power management system of a device, a respective measure of power consumed at each of a plurality of time points. A power prediction module receives a sequence of N power measurements consumed for N previous time points and generates a predicted power measurement at a future time point based on a trained predictive model.

Provided is a power management system and a power management method. The power management system includes a vehicle, a charge-discharge device including a cable and a connector, and an instruction device. The vehicle includes an inlet, a locking device, an electric storage device, and a control device. The instruction device sends a locking instruction to the control device before starting exchange of electric power between a power supply-demand system and the vehicle. The locking instruction is an instruction to lock by the locking device so that the connector does not fall out of the inlet. The control device controls the locking device to lock the connector when the locking instruction is received, and sends a completion signal to the instruction device when it is confirmed that the connector has been locked. The instruction device re-sends the locking instruction if the completion signal is not received after the locking instruction is sent. The instruction device stops re-sending the locking instruction if it is not possible to confirm that the connector has been locked after re-sending the locking instruction.

The invention discloses a power management system adapted to an extremely low temperature environment. Through a multi-level self-adaptive heating mechanism and a hardware-algorithm cooperative control strategy, stable operation in an extremely low temperature environment is realized. The power manager integrates a closed-loop temperature control system and double-order starting logic of'hardware priority-software takeover ', the special charger adopts a distributed temperature sensing and space temperature field reconstruction technology, reliable charging and discharging management under the extreme environment of-68 DEG C is achieved through cooperation of the closed-loop temperature control system and the space temperature field reconstruction technology, heating extra power consumption is reduced by 90% or above, and the maximum temperature difference of a battery bin is smaller than or equal to 2 DEG C; and the cold start success rate is 100%. The power supply system can be widely applied to extremely-low-temperature individual power supply systems, extremely-low-temperature battery packs and other scenes, and the core technical bottleneck of the power supply system in an extreme environment is solved.

The application provides a cloud-edge collaborative micro-grid electric energy management system, and relates to the technical field of new energy and smart grid, comprising: a field sensing layer, an edge computing and control layer, a cloud collaborative layer and a user interaction layer; wherein the edge computing and control layer comprises: an intelligent edge energy control device deployed in an energy consumption field; the intelligent edge energy control device comprises: an AI computing localization and real-time strategy reasoning module, an off-network autonomous operation module and a multi-modal data access module; when the communication connection between the cloud collaborative layer and the edge computing and control layer is disconnected, the AI computing localization and real-time strategy reasoning module generates a first optimization decision based on local strategies and real-time data; the off-network autonomous operation module executes the first optimization decision. The edge can immediately take over and independently operate when the network is interrupted, thereby fundamentally solving the pain point that the traditional system is paralyzed when the network is interrupted.

The invention discloses a high-luminous-efficiency LED lighting device and a manufacturing method thereof, and relates to the technical field of lighting, the high-luminous-efficiency LED lighting device comprises a shell, a heat dissipation module used for avoiding light attenuation acceleration is arranged in the shell, the heat dissipation module comprises a ceramic heat dissipation plate and an aluminum substrate which are arranged in the shell, and concave-convex textures are arranged on the heat dissipation surface of the ceramic heat dissipation plate; the aluminum substrate is provided with a multi-channel assembly used for preventing the overall lighting effect from being reduced, and the opening of the shell is provided with an anti-glare assembly used for restraining glare under low light loss. Convection heat transfer is enhanced through concave-convex textures on the surface of the ceramic heat dissipation plate so as to delay light attenuation, the multi-channel assembly independently adjusts driving current through a power management system so as to achieve spectrum refined reconstruction, and the anti-dazzle assembly achieves dazzle suppression under low light loss through microstructure textures on the light-emitting face of a lens and light diffusion particles filled in the center area.